CN111364668B - Raw soil-wood-jute cloth composite floor slab and construction method thereof - Google Patents
Raw soil-wood-jute cloth composite floor slab and construction method thereof Download PDFInfo
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- CN111364668B CN111364668B CN202010275027.7A CN202010275027A CN111364668B CN 111364668 B CN111364668 B CN 111364668B CN 202010275027 A CN202010275027 A CN 202010275027A CN 111364668 B CN111364668 B CN 111364668B
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- 238000010030 laminating Methods 0.000 claims description 2
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
- E04C2/12—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of solid wood
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Floor Finish (AREA)
Abstract
The invention provides a raw soil-wood-jute cloth combined floor slab, which comprises a laminated wood layer and a rammed earth layer laminated on one side of the laminated wood layer, wherein reed grating plates which are arranged in parallel with the laminated wood layer are embedded in the rammed earth layer, the reed grating plates are in a grid shape, first jute cloth is adhered between the rammed earth layer and the laminated wood layer, and second jute cloth which is fixedly connected or integrally connected with the first jute cloth is also embedded in the rammed earth layer and is positioned on one side of the reed grating plates far away from the laminated wood layer. The invention also provides a construction method of the raw soil-wood-jute cloth composite floor slab. Compared with the existing glued wood-concrete floor, the raw soil-wood-jute composite floor provided by the invention can be locally obtained, is built according to local conditions, consumes relatively less energy, can be recycled after the building is dismantled, is easy to decompose in soil, and has relatively small environmental burden.
Description
Technical Field
The invention relates to a building material and a construction method thereof, in particular to a raw soil-wood-jute cloth composite floor slab and a construction method thereof.
Background
Along with the continuous deep urban process of China, the total area of Chinese buildings is increased year by year at the speed of more than 10 hundred million square meters per year, so that the development of building energy-saving work is critical to solving the current energy and environment problems of China. In the construction of modern buildings, industrial building materials represented by cement, concrete and steel are used in large quantities, and this action brings unprecedented tremendous pressure to the environment. The production of a large amount of iron ores and cement for steelmaking needs to use limestone as a raw material and the preparation of concrete needs to be mountain-opened and stone-removed; the preparation of the above industrial building materials requires the consumption of a large amount of energy; degradation of these industrial building materials still places a significant burden on the environment when the building is dismantled.
The laminated wood is an engineering wood product, is called CLT for short, and can greatly improve the utilization rate of wood due to the adoption of a splicing mode of the laminated wood components, and compared with a concrete structure, the laminated wood has the advantages of reducing a large amount of energy consumption and meeting the requirements of green buildings. The Chinese patent of utility model with the bulletin number of CN206545306U discloses a laminated wood-concrete combined floor system, which comprises a precast reinforced concrete floor slab, shear connectors, laminated wood beams and wood supporting plates, wherein the precast reinforced concrete floor slab is poured and wrapped with tension steel bars in bidirectional configuration, a plurality of rows of shear connectors are arranged on the laminated wood beams at equal intervals, two connected rows of shear connectors are just clamped between two adjacent tension steel bars, the shear connectors connect the laminated wood beams with the precast reinforced concrete floor slab, the adjacent laminated wood beams are provided with wood supporting plates, and the upper surfaces of the wood supporting plates and the upper surfaces of the laminated wood beams are in the same horizontal plane. Although the laminated wood-concrete combined floor system can save energy to a certain extent, the energy consumption is relatively large due to the fact that precast reinforced concrete is still needed, and the problem of degradation of building materials after building dismantling is difficult to solve. In view of the above, the present inventors have conducted intensive studies on the above problems and have made the present utility model.
Disclosure of Invention
The invention aims to provide a raw soil-wood-jute composite floor slab which consumes relatively less energy and has relatively less burden on the environment after a building is dismantled, and a construction method thereof.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a raw soil-wood-jute cloth composite floor, includes the laminated wood layer and stacks the rammed earth layer of laminated wood layer one side, the rammed earth in-line be equipped with laminated wood layer parallel arrangement's reed grating, the reed grating is latticed, the rammed earth layer with paste between the laminated wood layer and have first jute cloth, the rammed earth layer still inlay have with first jute cloth fixed connection or integrated connection's second jute cloth, the second jute cloth is located the reed grating is kept away from one side of laminated wood layer.
As an improvement of the present invention, the laminated wood layer comprises three or more odd-numbered laminated board groups, the board groups comprise a plurality of parallel laminated unidirectional boards or laminated bidirectional boards which are sequentially bonded in a straight line, and the laminated unidirectional boards or the laminated bidirectional boards on two adjacent board groups are mutually perpendicular.
As an improvement of the invention, in the same laminated wood layer, the laminated unidirectional boards or laminated bidirectional boards are arranged in parallel with the board groups with the same arrangement direction, and two adjacent board groups are arranged in a staggered manner.
A construction method of a raw soil-wood-jute cloth composite floor slab comprises the following steps:
S1, bonding a laminated wood layer, sequentially bonding a plurality of laminated unidirectional plates or laminated bidirectional plates in a straight line to form plate groups, and laminating more than three odd plate groups to form the laminated wood layer, wherein the laminated unidirectional plates or the laminated bidirectional plates on two adjacent plate groups are mutually and vertically arranged;
S2, fixing a laminated wood layer, paving the laminated wood layer on a wood beam, and fixedly connecting the laminated wood layer and the wood beam together through screws;
S3, paving reed grids, namely paving one end of jute cloth on the laminated wood layer, fixing the other end of the jute cloth aside, filling a layer of raw soil on the fixed end of the jute cloth and the laminated wood layer, tamping to form an isolation layer, paving reed rods on the isolation layer in a grid shape, and binding the reed rods by reed sheets to form the reed grids;
S4, filling soil, tamping, filling raw soil on the isolation layer, tamping to form a tamping soil layer, performing primary plastering treatment on the upper surface of the tamping soil layer by using the raw soil, covering one end of the jute cloth, which is not fixed with the glued wood layer, on a surface layer formed after the primary plastering treatment, and performing secondary plastering treatment on one end of the jute cloth, which is covered on the surface layer formed after the primary plastering treatment, so as to form the raw soil-wood-jute cloth composite floor slab.
As an improvement of the invention, lime and sand are mixed in the raw soil.
As an improvement of the present invention, in step S1, the board groups with the same arrangement direction of the glued unidirectional boards or glued bidirectional boards are arranged flush, and two adjacent board groups are arranged offset from each other, so that the two ends of the glued wood layer are formed with ribs and grooves which are arranged at intervals.
As an improvement of the invention, in the step S2, a first laminated wood layer is placed on a wood beam in the laying process according to the principle of continuous laying from left to right, then two ends of the laminated wood layer are respectively fixed with the wood beam by using right-angle connectors, and then the screws are screwed in to finish the fixation of the first laminated wood layer; and then embedding the convex edge at one end of the second laminated wood layer into the groove at the corresponding end of the first laminated wood layer, ensuring that the first laminated wood layer and the second laminated wood layer are flush, and repeating the actions of fixing with a wood beam and screwing in the screw to finish the fixing of the second laminated wood layer, wherein the subsequent fixing mode of the laminated wood layers is the same as that of the second laminated wood layer.
As an improvement of the present invention, in step S4, the raw soil is screened with a screen having a screen diameter of ten mm or less before filling.
As an improvement of the invention, in step S4, a fence surrounding the laminated wood layer is provided on the periphery of the laminated wood layer before filling, and the upper end surface of the fence is flush with the upper end surface of the raw soil-laminated wood composite floor slab to be formed.
As an improvement of the present invention, in the process of filling the raw soil to form the isolation layer in step S3, at least three times and at least six times of compaction are performed, and then reed stems are laid on the isolation layer in a grid shape.
By adopting the technical scheme, the invention has the following beneficial effects:
1. Compared with the existing glued wood-concrete floor, the raw soil-wood-jute composite floor provided by the invention can be locally obtained, is built according to local conditions, consumes relatively less energy, can be recycled after the building is dismantled, is easy to decompose in soil, and has relatively small environmental burden.
2. The raw soil-glued wood composite floor slab obtained by the construction method provided by the invention has the advantages that the materials used for the raw soil-glued wood composite floor slab, such as raw soil, wood boards, jute cloth, reed grids and the like, can be 100% degraded, the natural return is truly realized, the specific strength and the specific rigidity of the floor slab are high, the weight is light, the heat preservation, sound insulation and heat insulation effects are good, the fireproof performance is good, and the construction is very convenient.
3. Compared with the reinforced concrete floor, the composite floor provided by the invention has the breathing function, and can effectively regulate indoor humidity and air quality.
4. The combined floor slab provided by the invention can realize the installation of floor slabs with different shapes and sizes by splicing prefabricated modular standard plates on site, and has the advantages of light weight, rapid installation, convenient construction and good overall stress performance.
5. The reed grating, jute cloth and raw soil are combined to improve the bearing capacity of the raw soil, so that the problems that the traditional raw soil material is easy to crack and the crack is exposed can be effectively solved, the compression resistance of the raw soil can be fully exerted, and the formed composite floor slab is good in overall performance.
Drawings
Fig. 1 is a schematic view of a composite floor slab in an embodiment, in which a part of soil rammed into soil is omitted to illustrate the structure of reed grating, and jute cloth is omitted;
FIG. 2 is an enlarged view of a portion of position A in FIG. 1;
FIG. 3 is a schematic view of a construction method in an embodiment;
FIG. 4 is a schematic diagram of a board assembly in an embodiment;
FIG. 5 is a schematic illustration of another plate pack lamination provided in the examples;
fig. 6 shows a further embodiment of a stack of plates.
The labels correspond to the following:
10-gluing the wood layer; 11-plate group;
12-gluing a one-way board or a two-way board; 13-grooves;
14-ribs; 20-ramming soil layers;
30-reed grating plates; 40-wood beams.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific examples.
As shown in fig. 1 and 2, the raw soil-wood-jute cloth composite floor slab provided in this embodiment includes a laminated wood layer 10 and a rammed earth layer 20 attached to one side of the laminated wood layer 10, wherein reed grid plates parallel to the laminated wood layer 10 are embedded in the rammed earth layer 20, and the reed grid plates are in a grid shape. A first jute cloth is attached between the rammed earth layer 20 and the laminated wood layer 10, the rammed earth layer 20 is further embedded with a second jute cloth fixedly connected or integrally connected with the first jute cloth, and the second jute cloth is located on one side of the reed grating 30, which is far away from the laminated wood layer 10, wherein the first jute cloth is fixedly connected with the laminated wood layer 10 through steel nails.
The laminated wood layer 10 includes three or more odd-numbered plate groups 11 stacked on each other, so that the arrangement direction of the upper and lower outermost plate groups 11 is ensured to be the same, and the specific number of layers and plate thickness are determined according to the actual situation. In this embodiment, five layers of the board 11 are illustrated, each layer having a thickness of 20mm. The board set 11 includes a plurality of glued unidirectional boards or glued bi-directional boards 12 which are parallel to each other and are sequentially bonded in a straight line along the width direction thereof, wherein the glued unidirectional boards or glued bi-directional boards 12 are in a strip shape, have a length of 3m, a width of 0.3m, and a thickness of 20mm, and are commercially available directly, and the glued unidirectional boards or glued bi-directional boards 12 in each board set 11 are located in the same plane such that each board set 11 forms a square structure. In the same laminated wood layer 10, the laminated unidirectional boards or laminated bidirectional boards 12 on two adjacent board groups 11 are arranged perpendicular to each other, that is, each board group 11 is cross-stacked, wherein the first, third and fifth layers are arranged in parallel to the short side direction, and the second and fourth layers are arranged in parallel to the long side direction. It should be noted that, the laminated wood layer is considered as a structural bearing stress member, and the structural calculation is performed according to the current national specifications and regulations such as the building anti-seismic design Specification (GB 50011-2010) and the wood structural design Standard GB 50005-2017.
Preferably, in the same laminated wood layer 10, the board groups 11 of the laminated unidirectional board or the laminated bidirectional board 12 having the same arrangement direction are arranged flush, and the adjacent two board groups 11 are respectively arranged in a staggered manner in the length direction and the width direction, so that the grooves 13 and the ribs 14 are formed at both ends and both sides of the laminated wood layer 10, and the grooves 13 and the ribs 14 at both ends or both sides of the laminated wood layer 10 can be matched with each other, thereby facilitating the splicing during the construction.
The rammed soil layer 20 is made of raw soil (including loess) and is mixed with sand and lime, the specific proportion of the three components is determined according to the actual measurement performance of the raw soil, and other components such as vegetable oil or wheat straw can be added if necessary. The rammed earth layer 20 is considered to be a non-structural load bearing member only, and is calculated as a constant load without taking structural rigidity into account.
Preferably, the side of the rammed earth layer 20 remote from the laminated wood layer 10 is further finished by a finishing process, which is made of the same material as the main material of the rammed earth layer 20, so that the aesthetic appearance can be enhanced.
The first jute cloth and the second jute cloth are both cloth made of jute plant fibers, can effectively prevent cracks of a raw soil surface layer, have the characteristics of good moisture absorption performance and quick water dissipation, and meet the design indexes of green, degradability, low energy consumption, low emission and light weight.
Reed grating 30 is woven from reed after antiseptic treatment, and its size is determined by the floor slab in site, and has the functions of raising the bending resistance and bearing capacity of the reed.
The laminated wood material surface layer can be carbonized slowly when burnt, the original internal structural strength can be maintained for a long time by being matched with the external fireproof material, the wood has low thermal conductivity, and the laminated wood component has strong continuity, so the building adopting the composite floor slab provided by the embodiment can have good air tightness, heat preservation, heat insulation and sound insulation effects, and in the aspect of shock insulation, the laminated wood structure can be tightly connected with the fastener and the connecting piece, and the shock resistance is very superior.
As shown in fig. 3 and 4, the present embodiment further provides a construction method of the above-mentioned raw soil-wood-jute cloth composite floor slab, the construction method comprising the steps of:
S1, bonding the laminated wood layer, referring to FIG. 4, bonding a plurality of parallel laminated unidirectional boards or laminated bidirectional boards 12 in a straight line along the width direction to form square board groups 11 by adopting structural glue, and stacking more than three odd board groups 11 to form the laminated wood layer 10, in this embodiment, taking five board groups 11 as an example, referring to FIG. 3 and FIG. 4, the laminated unidirectional boards or laminated bidirectional boards 12 on two adjacent board groups 11 are mutually perpendicular, specifically, in the same laminated wood layer 10, each board group 11 with the same arrangement direction of the laminated unidirectional boards or laminated bidirectional boards 12 is arranged in parallel, and the adjacent two board groups 11 are respectively arranged in a staggered manner along the length direction and the width direction, thus two ends and two sides of the laminated wood layer 10 are formed with grooves 13 and ribs 14 which are arranged at intervals, and the grooves 13 and 14 at two ends or two sides of the laminated wood layer 10 can mutually cooperate, so that splicing is convenient in building.
It should be noted that, the grooves 13 and the ribs 14 may be formed in other lamination manners, for convenience of description, the five plate groups 11 are sequentially a first plate group, a second plate group, a third plate group, a fourth plate group and a fifth plate group from top to bottom, as shown in fig. 5, the first plate group and the fifth plate group may be arranged in a flush manner, and the second plate group, the third plate group and the fourth plate group may be arranged in a flush manner and staggered with the first plate group, so that the grooves 13 and the ribs 14 arranged at intervals are formed at two ends and two sides of the laminated wood layer 10; as shown in fig. 6, the first, second and third plate groups may be arranged in parallel, and the fourth and fifth plate groups may be arranged in parallel and offset from the first plate group, so that the laminated wood layer 10 is formed with grooves 13 and ribs 14 arranged at intervals at both ends and both sides thereof.
S2, fixing the laminated wood layer, referring to FIG. 3 and FIG. 4, paving the laminated wood layer 10 on a wood beam 40, and fixedly connecting the two by screws; before laying, paying off and positioning screw positions are firstly carried out on the wood beam 40, specifically, the central axis of the wood beam 40 and the positioning axes of the two ends of the laminated wood layer 10 are positioned by using ink lines (the positioning axes are parallel to the central axis of the wood beam 40, and the distance from the positioning axes to the corresponding end of the laminated wood layer 10 is equal to half width of the wood beam 40); the positions of the screws are marked by the marker pen, the positions of the screws are symmetrically distributed along the central axis, the distance between the screws and the central axis is 2-3 cm, the screws are of course arranged in a plurality of rows, the distance between the first row of screws and one end part of the laminated wood layer is 2-3 cm, the distance between each row of screws is 10-15 cm, and the specific size is determined according to actual measurement on site.
The laying principle is that the first laminated wood layer 10 is placed on the wood beam 40 along the axis in the laying process according to the left-to-right sequential laying principle, the positioning axes of the two ends of the first laminated wood layer 10 are required to be completely coincident with the central axis of the wood beam 40, then right-angle connectors (which can be directly purchased from the market) are used for fixing the two ends of the laminated wood layer 10 with the wood beam 40 respectively, and then electric drills are used for screwing screws according to the previous positioning, so that the fixing of the first laminated wood layer 10 is completed; then, the convex edge 14 at one end of the second laminated wood layer 10 is embedded into the groove 13 at the corresponding end of the first laminated wood layer 10, the first laminated wood layer 10 and the second laminated wood layer 10 are flush, the gap between the two ends is smaller than 2mm, the positioning axes of the two ends and the central axis of the wood beam 10 are required to be completely overlapped, then the fixing of the first laminated wood layer 10 and the wood beam 40 and the action of screwing in the screw are repeated, the rest of the wood beam 40 of the second laminated wood layer 10 is fixedly connected, the fixing of the second laminated wood layer 10 is completed, and the like, the subsequent fixing mode of the laminated wood layer 10 is the same as the fixing mode of the second laminated wood layer 10, and is not repeated here.
S3, paving reed grids, namely paving one end of jute cloth (namely the first jute cloth) on the laminated wood layer 10 through an air nail gun, placing the other end of jute cloth (namely the second jute cloth at the upper position) aside, filling a layer of raw soil on the end of jute cloth, which is fixed with the laminated wood layer 10 (hereinafter referred to as the first jute cloth), tamping to form an isolation layer, paving reed rods on the isolation layer in a grid shape, and binding the reed rods by reed sheets to form the reed grids.
Specifically, the steps of laying the first jute cloth are as follows:
S3.1.1, surface treatment, cleaning sundries on the laminated wood layer 10, and guaranteeing the neatness of the board surface.
S3.1.2, line laying, using ink lines to determine the jute cloth laying position, in this example 150mm from the end of the layer of laminated wood 10.
S3.1.3, laying jute cloth, placing one end of the jute cloth in parallel along a positioning ink line (the jute cloth can slightly exceed the ink line), then fixing the jute cloth with a veneer layer 10 board along the ink line by using a gas nail gun, uniformly pushing the jute cloth flat by using a horizontal guiding ruler after edge fixing is finished, fixing every 5cm by using the gas nail gun, extruding the jute cloth at the boundary of the jute cloth and a surrounding baffle to be mentioned below by using the horizontal guiding ruler to form a right angle, ensuring that the jute cloth is attached to the surrounding baffle, and fixing the jute cloth at two ends of the surrounding baffle by using the gas nail gun.
It should be noted that, for engineering reasons, the size of the jute cloth produced may not meet the requirements, and therefore, two jute cloths need to be lapped together, the lap length is at least 100mm, and the lap position and the isolation layer are fixed by an air nail gun.
The steps of laying reed grating 30 are as follows:
s3.2.1, positioning, the position of reed stems can be determined on a fence which will be mentioned below in advance by a black fountain pen and a metric ruler, and in the embodiment, the distance between reed stems is assumed to be 100mm.
S3.2.2, paving reed rods, and placing the reed rods subjected to corrosion prevention treatment on the isolation layer according to the positioning.
S3.2.3 weaving reed grids, binding the laid reed rods into reed grids through reed sheets, wherein the reed sheets can be uniformly manufactured by reed rods.
S4, filling soil, tamping, filling raw soil on the isolation layer, tamping to form a tamping soil layer 20 (the isolation layer also belongs to a part of the tamping soil layer 20), performing primary plastering treatment on the upper surface of the tamping soil layer 20 by using raw soil, covering one end of the jute cloth, which is not fixed with the glued wood layer (namely, second jute cloth), on a surface layer formed after the primary plastering treatment, and performing secondary plastering treatment on one end of the jute cloth, which is covered on the surface layer formed after the primary plastering treatment (namely, second jute cloth), so as to form the raw soil-wood-jute cloth combined floor. Wherein lime, sand stone, vegetable oil and wheat straw are mixed in the raw soil, and the raw soil is screened by adopting a screen with the screen mesh diameter smaller than or equal to ten millimeters before filling the soil so as to ensure that the grain diameter of the raw soil is not larger than ten millimeters. In particular, in this embodiment, clay, silty clay or silty clay is formed after the raw soil is added with water, and organic impurities cannot be contained therein; the lime is ground quicklime; the vegetable oil is edible vegetable oil, can be obtained from domestic waste oil produced in daily life, is poured into a bottle for collection, can be obtained anywhere, has little environmental pollution, generates hydrophobic substances after hydration of the vegetable oil and quicklime, and can effectively protect floors from being influenced by water; in addition, wheat straw can also be replaced by wheat bran.
The concrete construction flow of filling and tamping is as follows:
s4.1, cleaning the wood board, and detecting and cleaning sundries on the glued wood layer 10 before filling soil.
S4.2, arranging a fence, wherein the periphery of the laminated wood layer 10 is provided with the fence for surrounding the laminated wood layer 10, the upper end face of the fence is flush with the upper end face of the raw soil-laminated wood composite floor slab to be formed, and in the embodiment, the height of the fence is 30mm (the height of the fence is consistent with that of the raw soil-wood-jute cloth composite floor slab to be formed).
S4.3, mixing clay, namely adding edible vegetable oil into quicklime, adding a proper amount of water for hydration for 24 hours, wherein the mass of the edible oil and the quicklime is determined by the mass of the required clay, the mass of the edible oil accounts for 1% of the total mass, and the mass of the quicklime accounts for 4% of the total mass; adding the mixture after full hydration into clay, adding appropriate amount of wheat bran or wheat straw, adding appropriate amount of water, and stirring uniformly.
S4.4, paving clay and tamping in a layered manner, performing layered tamping by using clay stirred in the previous step, firstly filling raw soil to form an isolation layer, wherein the thickness of the isolation layer is 15mm, tamping soil by using a vibrating plate compactor in the process of filling raw soil to form the isolation layer, tamping at least three times and at least six times, and then paving reed rods on the isolation layer in a grid shape; and filling raw soil (i.e. clay mixed in the previous step) on the isolation layer for the second time to the same height as the enclosure, and tamping.
S4.5, plastering the surface layer, namely firstly scraping the surface layer by using a wood scraping bar, immediately rubbing the surface layer from inside to outside by using a wood trowel, and detecting the flatness by using a 2m guiding rule; after trowelling, adding a proper amount of water into the clay in the step S4.3 to mix to form slurry, so that the slurry is proper in viscosity and cannot be too thick or too thin, uniformly smearing the slurry on the rammed earth layer 20, keeping the thickness of the slurry on a level with a fence, and preventing the straw from losing strength under the action of lime, wherein the mixing time is not too long.
It should be noted that, in this embodiment, the finishing treatment is performed twice, and both the finishing treatments are implemented by the step S4.5 mentioned above.
From the aspect of construction, the laminated wood structure can be industrially produced in factories and then transported to the site for installation, the components have higher precision, the production efficiency is improved, and the degree of mechanization is high and fewer workers are needed to complete the work. As the glued wood component adopts a splicing mode, the utilization rate of wood can be greatly improved, and compared with a concrete structure, a great amount of energy consumption is reduced, and the requirements of green buildings are met.
The raw soil-wood-jute cloth combined floor slab and the construction method thereof provided by the embodiment effectively solve the problems that the raw soil material is insufficient in strength and cannot be used for building multi-layer and high-rise buildings and the application area is narrow; simultaneously, the problem of connection between wood floors is effectively solved; but also can solve the problem of the joint work of the raw soil material and the wood board.
The present invention has been described in detail with reference to the accompanying drawings, but the embodiments of the present invention are not limited to the above embodiments, and those skilled in the art can make various modifications to the present invention according to the prior art, which are all within the scope of the present invention.
Claims (10)
1. The utility model provides a raw soil-wood-jute cloth composite floor, its characterized in that includes the laminated wood layer and stacks the rammed earth layer of laminated wood layer one side, the rammed earth in situ inlay be equipped with laminated wood layer parallel arrangement's reed grating, the reed grating is latticed, rammed earth layer with paste between the laminated wood layer and have first jute cloth, the rammed earth layer still inlay have with first jute cloth fixed connection or integrative second jute cloth of connecting, the second jute cloth is located the reed grating is kept away from one side of laminated wood layer.
2. A raw soil-wood-jute cloth composite floor according to claim 1, wherein the laminated wood layer comprises three or more odd layers of mutually laminated board groups, the board groups comprise a plurality of mutually parallel and linearly sequentially bonded glued unidirectional boards or glued bidirectional boards, and the glued unidirectional boards or glued bidirectional boards on two adjacent board groups are mutually perpendicular.
3. A raw soil-wood-jute cloth composite floor according to claim 2, wherein in the same laminated wood layer, the laminated unidirectional boards or laminated bidirectional boards are arranged in parallel with the board groups in the same arrangement direction, and two adjacent board groups are arranged in a staggered manner.
4. The construction method of the raw soil-wood-jute cloth composite floor slab is characterized by comprising the following steps of:
S1, bonding a laminated wood layer, sequentially bonding a plurality of laminated unidirectional plates or laminated bidirectional plates in a straight line to form plate groups, and laminating more than three odd plate groups to form the laminated wood layer, wherein the laminated unidirectional plates or the laminated bidirectional plates on two adjacent plate groups are mutually and vertically arranged;
S2, fixing a laminated wood layer, paving the laminated wood layer on a wood beam, and fixedly connecting the laminated wood layer and the wood beam together through screws;
S3, paving reed grids, namely paving one end of jute cloth on the laminated wood layer, fixing the other end of the jute cloth aside, filling a layer of raw soil on the fixed end of the jute cloth and the laminated wood layer, tamping to form an isolation layer, paving reed rods on the isolation layer in a grid shape, and binding the reed rods by reed sheets to form the reed grids;
S4, filling soil, tamping, filling raw soil on the isolation layer, tamping to form a tamping soil layer, performing primary plastering treatment on the upper surface of the tamping soil layer by using the raw soil, covering one end of the jute cloth, which is not fixed with the glued wood layer, on a surface layer formed after the primary plastering treatment, and performing secondary plastering treatment on one end of the jute cloth, which is covered on the surface layer formed after the primary plastering treatment, so as to form the raw soil-wood-jute cloth composite floor slab.
5. The method of constructing a composite floor slab of earth-wood-jute cloth according to claim 4, wherein lime and sand are mixed in the earth.
6. The method of construction of a combined floor slab of raw soil, wood and jute cloth according to claim 4, wherein in the step S1, the glued unidirectional boards or glued bi-directional boards are arranged in the same direction in a flush manner, and two adjacent board groups are arranged in a staggered manner, so that ribs and grooves are formed at both ends of the glued wood layer in a spaced manner.
7. The construction method of a raw soil-wood-jute cloth composite floor slab according to claim 6, wherein in the step S2, a first one of the laminated wood layers is placed on a wood beam during the laying according to a principle of continuous laying in order from left to right, and then both ends of the laminated wood layer are respectively fixed with the wood beam using right angle connectors, and then the screws are screwed to complete the fixation of the first one of the laminated wood layers; and then embedding the convex edge at one end of the second laminated wood layer into the groove at the corresponding end of the first laminated wood layer, ensuring that the first laminated wood layer and the second laminated wood layer are flush, and repeating the actions of fixing with a wood beam and screwing in the screw to finish the fixing of the second laminated wood layer, wherein the subsequent fixing mode of the laminated wood layers is the same as that of the second laminated wood layer.
8. A method of constructing a raw soil-wood-jute cloth composite floor according to any one of claims 4 to 7 wherein in step S4, the raw soil is screened with a screen having a mesh diameter of less than or equal to ten mm prior to filling.
9. A method of constructing a raw soil-wood-jute composite floor according to any one of claims 4 to 7, wherein in step S4, a fence is provided around the periphery of the laminated wood layer to enclose the laminated wood layer before filling, and the upper end face of the fence is flush with the upper end face of the raw soil-laminated wood composite floor to be formed.
10. A method of constructing a green soil-wood-jute cloth composite floor according to any one of claims 4 to 7, wherein in step S3, the isolation layer is formed by filling the green soil, ramming is performed at least three times and at least six times, and then reed stems are laid on the isolation layer in a grid shape.
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| EP3287570A1 (en) * | 2016-08-26 | 2018-02-28 | Sebastian Wagner | Wood-concrete composite element for use as ceiling, floor or wall in a building |
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