CN106639148A - Concrete beam column with steel plate mesh framework and structure design method thereof - Google Patents
Concrete beam column with steel plate mesh framework and structure design method thereof Download PDFInfo
- Publication number
- CN106639148A CN106639148A CN201710055772.9A CN201710055772A CN106639148A CN 106639148 A CN106639148 A CN 106639148A CN 201710055772 A CN201710055772 A CN 201710055772A CN 106639148 A CN106639148 A CN 106639148A
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- concrete
- steel screen
- screen skeleton
- beam column
- steel plate
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
- E04C3/293—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being steel and concrete
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/36—Columns; Pillars; Struts of materials not covered by groups E04C3/32 or E04C3/34; of a combination of two or more materials
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- Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention relates to a concrete beam column with a steel plate mesh framework and a structure design method thereof and belongs to the field of civil engineering related technologies. The concrete beam column with a steel plate mesh framework mainly comprises the steel plate mesh framework, wherein the steel plate mesh framework is provided with a plurality of holes; concrete is arranged at the inner side and the outer side of the steel plate mesh framework; the concrete completely covers a side face of the steel plate mesh framework, so that the restraining effect on the inner concrete is improved; a steel plate mesh can be machined in a factory so that the manufacturing time of a component is shortened. The concrete beam column provided by the invention takes an abnormal-shaped hole steel plate to replace a steel bar and takes the abnormal-shaped hole steel plate as a component framework, and a steel bar binding process is removed; the standardization degree and component integrity in a component manufacturing process are improved and large-scale production of the component is facilitated.
Description
Technical field
The present invention relates to civil engineering correlative technology field, is to be related to a kind of steel screen skeleton beams of concrete specifically
Post and its tectonic sieving method.
Background technology
Steel screen skeleton beam column built from concrete is a kind of combining structure component imbedded expanded metal lath in concrete and formed.
Conventional steel bar concrete post, bar-mat reinforcement is made up of vertical muscle and stirrup, and bar-mat reinforcement colligation is complicated；Stirrup is main in component
Effect of contraction is played, longitudinal load is not directly taken on, there is a certain degree of waste of material.
Steel screen skeleton beam column built from concrete combines the excellent of conventional steel bar concrete beam column and steel reinforced concrete beam column component
Point, while turn avoid its respective shortcoming.The advantage of expanded metal lath beam column built from concrete includes：
Conventional steel bar concrete beam column is compared, the steel screen skeleton of steel screen skeleton beam column built from concrete is capable of achieving batch production system
Make, simplify the production process of confining part, without the need for reinforcing bar bending, the vertical operation such as muscle and stirrup colligation, when shortening structure manufacture
Between；The expanded metal lath for being processed by steel pipe simultaneously provides effective effect of contraction to inner concrete, similar to tie hoop
Concrete column or welded steel fabric concrete column.
Steel reinforced concrete beam column component is compared, utilization of the steel screen skeleton beam column built from concrete to concrete has different works
With mechanism, the former mainly prevents reinforcing bar flexing using the constraint of concrete；The latter gives full play to coagulation using the constraint of expanded metal lath
The bearing capacity of soil, makes steel screen skeleton beam column built from concrete have higher concrete strength utilization rate；Perforate on expanded metal lath, it is ensured that
The inside and outside concrete of expanded metal lath is not required to arrange bar-mat reinforcement by hole formation entirety outside expanded metal lath, simplifies and constructed
Journey, and reduce the thickness of reinforcing bar external protection.
For traditional steel reinforced concrete beam column, reinforcing bar is also to need to arrange longitudinal reinforcement and stirrup, and construction is complicated, while will
The protective layer thickness for seeking the outer concrete of reinforcing bar is not less than 150mm.
The patent of invention of publication number 103225368A describe a kind of expanded metal lath constraint post plastic hinge region xoncrete structure and
Preparation method, this method can provide good effect of contraction to concrete, be prevented from that concrete is too early to come off, and improve
Post ductility；But it is, based on a kind of improvement of reinforced column, to remain the complete structure of armored concrete, it is impossible to solve it
The problems such as colligation is complicated, Production Time is long.
The utility model patent of publication number 201507721U provides a kind of plastic composite upright column of built-in steel screen skeleton,
Column is trench structure, wherein setting expanded metal lath as skeleton, moulded plastic is equipped with following above steel screen skeleton
Form complex；It is mainly used in installing cable bridge bracket, selects from its structure and material and sees that bearing capacity is relatively low, it is impossible to is used for
Building structure.
The content of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of steel screen skeleton beam column built from concrete.
Beam column built from concrete provided by the present invention, simplifies the construction technology of conventional concrete beam column, improves the mark in structure manufacture
Quasi-ization degree, bulk strength and design standard, are conducive to the large-scale production and material saving of component.
In order to reach above-mentioned purpose, the present invention is adopted the following technical scheme that：
A kind of steel screen skeleton beam column built from concrete, including：
Steel screen skeleton, is provided with equidistant multiple holes, steel screen skeleton inner side and outside on steel screen skeleton side
Concrete is respectively provided with, concrete is fully wrapped around by steel screen skeleton side.I.e. in casting process, inside and outside steel screen skeleton
Side is respectively provided with cast-in-place concrete, is integrally formed with steel screen skeleton after cast-in-place concrete solidification.
Preferably, the rectangular cross-section of the steel screen skeleton, it is internal with through hole.
Preferably, the section of the steel screen skeleton is circle, and it is internal with through hole.
Preferably, described hole is circle.
Preferably, described hole is quadrangle or polygon.
Preferably, described hole is triangle.
Preferably, described hole is distributed on 4 faces of steel screen skeleton.
Preferably, in the steel screen skeleton, the center line of the hole in two neighboring face is misaligned.
While said structure scheme is provided, present invention also offers a kind of above-mentioned expanded metal lath concrete skeleton beam column
Detailing requiments method for designing,
When design object is beam, the beam meets：
Wherein：b0Minimum for expanded metal lath longer sides is net long, and t is steel plate thickness of net, ftFor concrete axial tensile strength,
fyvFor steel tensile strength.
As another kind of method for designing, when design object is post component：
Minimum net section product and the concrete column sectional area ratio of expanded metal lath is more than 3%, and steel plate thickness of net is not less than 8mm,
Hole centre-to-centre spacing is not more than 20t, and not should be greater than 800mm, wherein, t is steel plate thickness of net.
The invention has the beneficial effects as follows：
1. expanded metal lath compares reinforcing bar and enhances the constraint to inner concrete in addition to itself having resistance to compression and bending resistance
Effect, improves the ultimate bearing capacity of component.
2. the concrete outside expanded metal lath is provided for expanded metal lath and is effectively protected, and compares concrete filled steel tube, improves steel
Fire-resistance and corrosion resistance.
3. the hole of expanded metal lath, it is ensured that concrete forms entirety inside and outside steel pipe, improves the cracking resistance of concrete.
4. expanded metal lath is easy to process, without the need for colligation, simplifies structure manufacture technique, is conducive to the factorial praluction of component.
5. compared to clean steel component, it is possible to decrease the cost of manufacture of component.
6. method for designing is provided, and the intensity for making component meets demand.
Description of the drawings
Fig. 1 is the side schematic view of light plate network framework concrete column of the present invention；
Fig. 2 is the floor map of light plate network framework concrete column of the present invention；
Fig. 3 is the side schematic view of the first steel screen skeleton；
Fig. 4 is the floor map of the first steel screen skeleton；
Fig. 5 is the structural representation of the first steel screen skeleton；
Fig. 6 is the side schematic view of second steel screen skeleton；
Fig. 7 is the floor map of second steel screen skeleton；
Fig. 8 is the structural representation of second steel screen skeleton；
Fig. 9 is the side schematic view of the third steel screen skeleton；
Figure 10 is the floor map of the third steel screen skeleton；
Figure 11 is the structural representation of the third steel screen skeleton；
In figure：1st, steel screen skeleton, 2, hole, 3, concrete, 4, steel screen skeleton beam column built from concrete.
Specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Embodiment 1：A kind of steel screen skeleton beam column built from concrete 4, its structure as shown in Figure 1-2, including：Steel screen skeleton 1,
There are multiple holes 2, the inner side of steel screen skeleton 1 and outside are respectively provided with concrete 3 on steel screen skeleton 1；Concrete 3 is by expanded metal lath
The side of skeleton 1 is fully wrapped around.
The structure of steel screen skeleton 1, as in Figure 3-5.The steel screen skeleton 4 is square structure, and inside has square logical
Hole, 4 side walls of steel plate frame 4, is respectively provided with circular opening 4, and the circular opening centre of form on adjacent wall is generally aligned in the same plane interior.
Some perforations 2 are located at the turning of steel screen skeleton 4 so that steel screen skeleton 1 enters while structural strength is ensured
One step reduces total quality.
When the structure that the present embodiment is provided is beam, the beam meets in the design process：
Wherein：b0Minimum for expanded metal lath longer sides is net long, and t is steel plate thickness of net, ftFor concrete axial tensile strength,
fyvFor steel tensile strength.
When the structure that the present embodiment is provided is post component, the post component meets in the design process：
Minimum net section product and the concrete column sectional area ratio of expanded metal lath is more than 3%, and steel plate thickness of net is not less than 8mm,
Hole centre-to-centre spacing is not more than 20t, and not should be greater than 800mm, wherein, t is steel plate thickness of net.
Embodiment 2：A kind of steel screen skeleton beam column built from concrete 4, its structure as shown in Figure 1-2, including：Steel screen skeleton 1,
There are multiple holes 2, the inner side of steel screen skeleton 1 and outside are respectively provided with concrete 3 on steel screen skeleton 1；Concrete 3 is by expanded metal lath
The side of skeleton 1 is fully wrapped around.
The structure of steel screen skeleton 1, as shown in figs 6-8.The steel screen skeleton 4 is square structure, and inside has square logical
Hole, 4 side walls of steel plate frame 4, is respectively provided with circular opening 4, and the circular opening centre of form on adjacent wall is located at Different Plane, subtracts
The interface that few perforate is caused weakens.
In the present embodiment, at the turning of steel screen skeleton 1, hole 4 is not provided with.
When the structure that the present embodiment is provided is beam, the beam meets in the design process：
Wherein：b0Minimum for expanded metal lath longer sides is net long, and t is steel plate thickness of net, ftFor concrete axial tensile strength,
fyvFor steel tensile strength.
When the structure that the present embodiment is provided is post component, the post component meets in the design process：
Minimum net section product and the concrete column sectional area ratio of expanded metal lath is more than 3%, and steel plate thickness of net is not less than 8mm,
Hole centre-to-centre spacing is not more than 20t, and not should be greater than 800mm, wherein, t is steel plate thickness of net.
Embodiment 3：A kind of steel screen skeleton beam column built from concrete 4, its structure as shown in Figure 1-2, including：Steel screen skeleton 1,
There are multiple holes 2, the inner side of steel screen skeleton 1 and outside are respectively provided with concrete 3 on steel screen skeleton 1；Concrete 3 is by expanded metal lath
The side of skeleton 1 is fully wrapped around.
The structure of steel screen skeleton 1, as shown in figs. 9-11.The steel screen skeleton 4 is square structure, and inside has square logical
Hole, 4 side walls of steel plate frame 4, is respectively provided with square hole 4, and the square hole centre of form on adjacent wall is generally aligned in the same plane interior.
In the present embodiment, at the turning of steel screen skeleton 1, hole 4 is not provided with.
When the structure that the present embodiment is provided is beam, the beam meets in the design process：
Wherein：b0Minimum for expanded metal lath longer sides is net long, and t is steel plate thickness of net, ftFor concrete axial tensile strength,
fyvFor steel tensile strength.
When the structure that the present embodiment is provided is post component, the post component meets in the design process：
Minimum net section product and the concrete column sectional area ratio of expanded metal lath is more than 3%, and steel plate thickness of net is not less than 8mm,
Hole centre-to-centre spacing is not more than 20t, and not should be greater than 800mm, wherein, t is steel plate thickness of net.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
Various modifications to embodiment will be apparent for those skilled in the art, as defined herein general
Principle can in other embodiments be realized without departing from the spirit or scope of the present invention, is not described in detail
The part presented with partial enlargement, is prior art, and here is not repeated.Therefore, the present invention is not intended to be limited to herein
These shown embodiments, and it is to fit to the most wide scope consistent with principles disclosed herein and feature.
Claims (10)
1. a kind of steel screen skeleton beam column built from concrete, including：
Steel screen skeleton, has multiple holes on steel screen skeleton, steel screen skeleton inner side and outside are respectively provided with concrete；
Concrete is fully wrapped around by steel screen skeleton side.
2. steel screen skeleton beam column built from concrete according to claim 1, it is characterised in that the section of the steel screen skeleton
For rectangle, it is internal with through hole.
3. steel screen skeleton beam column built from concrete according to claim 1, it is characterised in that the section of the steel screen skeleton
For circle, it is internal with through hole.
4. the steel screen skeleton beam column built from concrete according to Claims 2 or 3, it is characterised in that described hole is circle.
5. the steel screen skeleton beam column built from concrete according to Claims 2 or 3, it is characterised in that described hole is quadrangle
Or polygon.
6. the steel screen skeleton beam column built from concrete according to Claims 2 or 3, it is characterised in that described hole is triangle.
7. steel screen skeleton beam column built from concrete according to claim 1, it is characterised in that described hole is distributed in expanded metal lath
On 4 faces of skeleton.
8. steel screen skeleton beam column built from concrete according to claim 2, it is characterised in that in the steel screen skeleton, phase
The center line of the hole in adjacent two faces is misaligned.
9. a kind of tectonic sieving method for stating expanded metal lath concrete skeleton beam column described in any one of claim 1-8,
When design object is beams of concrete, the beams of concrete meets：
Wherein：b0Minimum for expanded metal lath longer sides is net long, and t is steel plate thickness of net, ftFor concrete axial tensile strength, fyvFor
Expanded metal lath tensile strength.
10. a kind of tectonic sieving method for stating expanded metal lath concrete skeleton beam column described in any one of claim 1-8,
When design object is concrete column：
Minimum net section product and the concrete column sectional area ratio of steel screen skeleton is more than 3%, and steel plate thickness of net is not less than 8mm,
Hole centre-to-centre spacing is not more than 20t, and not should be greater than 800mm, wherein, t is steel plate thickness of net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710055772.9A CN106639148A (en) | 2017-01-25 | 2017-01-25 | Concrete beam column with steel plate mesh framework and structure design method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710055772.9A CN106639148A (en) | 2017-01-25 | 2017-01-25 | Concrete beam column with steel plate mesh framework and structure design method thereof |
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| CN106639148A true CN106639148A (en) | 2017-05-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100319A (en) * | 2017-05-31 | 2017-08-29 | 南宁学院 | A kind of combination beam |
| CN112160479A (en) * | 2020-09-21 | 2021-01-01 | 中南大学 | Rib plate skeleton concrete cast-in-place board |
| CN114525884A (en) * | 2022-03-28 | 2022-05-24 | 重庆中贝源利工程咨询有限公司 | Reinforced ALC (autoclaved lightweight concrete) batten, preparation method thereof, peripheral retaining wall structure and short wall structure |
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| CN204590411U (en) * | 2015-05-06 | 2015-08-26 | 江苏建筑职业技术学院 | A kind of Novel box shaped steel bone concrete composite beam |
| CN204983401U (en) * | 2015-09-16 | 2016-01-20 | 辽宁工业大学 | Built -in reinforcing regeneration brick aggregate concrete composite columns |
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| JP2003336349A (en) * | 2002-05-23 | 2003-11-28 | Hiroshi Kuramoto | Composite structural member of reinforced concrete |
| JP2005226248A (en) * | 2004-02-10 | 2005-08-25 | Taisei Corp | Composite member |
| KR100588393B1 (en) * | 2004-12-06 | 2006-06-09 | 대한주택공사 | Tied column using y shape ties formed with steel sheet |
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| ES2356546A1 (en) * | 2010-06-28 | 2011-04-11 | Alberto Alarcón García | Lightweight slab or similar structural element which can receive equipment that is accessible and that can extend through the slab |
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| CN204983401U (en) * | 2015-09-16 | 2016-01-20 | 辽宁工业大学 | Built -in reinforcing regeneration brick aggregate concrete composite columns |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100319A (en) * | 2017-05-31 | 2017-08-29 | 南宁学院 | A kind of combination beam |
| CN112160479A (en) * | 2020-09-21 | 2021-01-01 | 中南大学 | Rib plate skeleton concrete cast-in-place board |
| CN112160479B (en) * | 2020-09-21 | 2021-05-11 | 中南大学 | Rib plate skeleton concrete cast-in-place board |
| CN114525884A (en) * | 2022-03-28 | 2022-05-24 | 重庆中贝源利工程咨询有限公司 | Reinforced ALC (autoclaved lightweight concrete) batten, preparation method thereof, peripheral retaining wall structure and short wall structure |
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