CN110924572A - Steel plate bin combined shear wall splicing node and calculation method - Google Patents
Steel plate bin combined shear wall splicing node and calculation method Download PDFInfo
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- CN110924572A CN110924572A CN201911199135.4A CN201911199135A CN110924572A CN 110924572 A CN110924572 A CN 110924572A CN 201911199135 A CN201911199135 A CN 201911199135A CN 110924572 A CN110924572 A CN 110924572A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 116
- 239000010959 steel Substances 0.000 title claims abstract description 116
- 238000004364 calculation method Methods 0.000 title claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 10
- 238000010276 construction Methods 0.000 claims abstract description 7
- 238000005452 bending Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000010008 shearing Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000009795 derivation Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 238000012795 verification Methods 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2/8605—Walls made by casting, pouring, or tamping in situ made in permanent forms without spacers
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- Engineering & Computer Science (AREA)
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
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- Structural Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention belongs to the field of civil engineering, and relates to a steel plate bin combined shear wall splicing node and a calculation method. The splicing node comprises an upper steel plate bin combined shear wall, a lower steel plate bin combined shear wall, a plugboard, a steel groove and a base plate, wherein the plugboard and the steel groove are respectively welded on the inner sides of the shear walls and are inserted into the steel groove through the plugboard so as to realize the quick connection of an upper shear wall sheet and a lower shear wall sheet; and providing a calculation method for the connection of the splicing nodes through numerical analysis, formula derivation and finite element model verification. The invention has simple node structure, clear force transmission and convenient construction, reduces the on-site welding amount and realizes the high-efficiency and quick connection of the upper shear wall sheet and the lower shear wall sheet; the connecting piece is arranged inside the wall body, so that the perpendicularity and the flatness of the wall body are more standard, and the wall body is attractive; the design of the inserting plate and the steel groove ensures that the upper wall sheet and the lower wall sheet are accurately positioned, the performance of steel is fully utilized, and the component has good ductility, so that the shear wall has good anti-seismic performance, integrity and stability.
Description
Technical Field
The invention belongs to the field of civil engineering, and relates to a steel plate bin combined shear wall splicing node and a calculation method.
Background
Compared with the existing steel plate composite shear wall, the steel plate bin composite shear wall has the advantages that the circular tube support arranged between the two steel plates increases the plane external rigidity of the steel plates, saves steel materials and reduces building cost; two steel sheets and the pipe support and form the inside empty storehouse that link up, when carrying out concrete placement to empty storehouse, be convenient for vibrate, easily guarantee the closely knit nature of concrete. A large number of splicing seams exist in the assembled shear wall structure, the stress performance of the splicing seams directly influences the overall stress performance of the structure, and the existing horizontal seams of the shear wall are connected with forms such as connection of reinforcing steel bars, shear-resistant connection of profile steel, steel plate bolt connection and the like. The assembled structure is prefabricated in a factory and is installed on site, and the mechanical property and the aesthetic degree of a building are directly influenced by the connection and installation mode of the assembled structure.
With the steel pipe bundle concrete shear force wall similar with steel sheet storehouse combination shear force wall, the upper and lower wall connected mode that adopts is mostly welded connection in its actual engineering. The welded connection has less protrusion at the joint, the wall body is smooth and beautiful, and the connection performance is better. However, the on-site welding connection has high technological requirements on welding workers, the construction period is long, and the construction is not convenient enough. Patent 201821822065.4 discloses a shear wall connection node of a steel tube bundle composite structure, which is formed by arranging a connection plate, butting upper and lower wall sheets and welding the upper and lower wall sheets on site; patent 201821791975.0 discloses an assembled concrete shear wall connected node structure, has proposed to set up horizontal muscle through the upper portion wall body, and the lower part wall body sets up vertical reinforcement, and on-the-spot steel bar welding that passes through realizes the connection of upper and lower wall piece.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the steel plate bin combined shear wall splicing node and the calculation method which have the advantages of simple structure, reliable force transmission, high speed and high efficiency in construction, easy detection of finished product quality, smooth wall body without bulge and quick calculation.
The technical scheme of the invention is as follows: the steel plate storehouse combination shear wall grafting node includes steel plate storehouse combination shear wall, lower steel plate storehouse combination shear wall, picture peg, steel trough and backing plate, the picture peg weld in the inboard lower extreme of the outer steel sheet of last steel plate storehouse combination shear wall, the steel trough welds in the inboard upper end of the outer steel sheet of lower steel plate storehouse combination shear wall, lower steel plate storehouse combination shear wall upper end welding backing plate, the hole is reserved at the position that sets up the steel trough in advance to the backing plate, inserts the steel inslot through the picture peg and realizes the high-speed joint of two steel plate storehouse combination shear walls from top to bottom.
The method for calculating the splicing node of the steel plate bin combined shear wall comprises the following steps:
the first step is as follows: determining parameters of splicing nodes of the steel plate bin combined shear wall, wherein the parameters comprise the splicing length of the plugboards, the insertion length of the plugboards, the width of the plugboards, the distance of the plugboards and the thickness of the base plate;
the second step is that: calculating the maximum value F of the horizontal load borne by the steel plate bin combined shear wall according to the Stokes formulas (1) and (2);
is equivalent to
The conditions are satisfied as follows:
wherein R is a function expression of stress along the x direction; q-function expression of force along y direction; p is a function expression of stress along the z direction;
the third step: the shearing force and the bending moment of the shear wall of the whole steel plate bin under the action of the concentrated force F are shown in formulas (3) and (4)
In the formula, H is the length of the steel plate bin combined shear wall, sh, ch is hyperbolic sine and hyperbolic cosine, η is relative position coordinates in a building, and lambda is a rigidity characteristic value;
the fourth step: the bending moment generated at the x-high section of the steel plate bin combined shear wall and the corresponding shear force at the section are shown in formulas (5) and (6);
fifthly, obtaining the proportion ξ of the concrete and the steel in the horizontal bearing capacity according to the formula (7), wherein the value of ξ is 2.5- ξ -3.5 to ensure the cooperation of the concrete and the steel;
in the formula, As-the cross-sectional area of the steel tube;
-the cross-sectional area of the steel plate outside the shear wall; a. thec-core concrete cross-sectional area; f. ofy-ultimate tensile strength of the steel; f. ofck-concrete axial compressive strength standard value; n is the number of plug-in connectors; t is the thickness of the inserting plate; h is the width of the plugboard;
and a sixth step: determining the size of a splicing node of the steel plate bin combined shear wall;
thickness t of the insert plate: t is a + 2;
length l of insert plate welding1： l10.7T, when1<At 100 hours,/1Taking 100;
length of insertion of the board2： l2＝l1+2t1；
Board inserting width h: h is (1.0-1.5) T;
distance d between the inserting plates: d ═ H-nh)/(n + 1);
thickness t of the backing plate1： t1＝2a；
Width h of inner and outer rings of the backing plate1： h1＝5a；
In the formula, n is the number of plug connectors; t is the thickness of the steel plate bin combined shear wall; h is the length of the steel plate bin combined shear wall; a is the thickness of the steel plate outside the combined shear wall of the steel plate bin.
Preferably, the backing plate is an integral plate, a hole is reserved in the position where the steel groove is arranged in advance, and the backing plate is welded at the upper end of the lower steel plate combined shear wall, so that the stability during construction is ensured.
The invention has the beneficial effects that: the splicing node comprises an upper steel plate bin combined shear wall, a lower steel plate bin combined shear wall, a plugboard, a steel groove and a base plate, wherein the plugboard and the steel groove are respectively welded on the inner sides of the shear walls and are inserted into the steel groove through the plugboard so as to realize the quick connection of an upper shear wall sheet and a lower shear wall sheet; and providing a calculation method for the connection of the splicing nodes through numerical analysis, formula derivation and finite element model verification. The invention has simple node structure, clear force transmission and convenient construction, reduces the on-site welding amount and realizes the high-efficiency and quick connection of the upper shear wall sheet and the lower shear wall sheet; the connecting piece is arranged inside the wall body, so that the perpendicularity and the flatness of the wall body are more standard, and the wall body is attractive; the design of the inserting plate and the steel groove ensures that the upper wall sheet and the lower wall sheet are accurately positioned, the performance of steel is fully utilized, and the component has good ductility, so that the shear wall has good anti-seismic performance, integrity and stability.
Drawings
Fig. 1 is a schematic plan view of a joint of a steel plate silo combined shear wall according to an embodiment of the present invention 1;
FIG. 2 is a schematic plane view of a joint of a steel plate silo combination shear wall according to an embodiment of the present invention 2;
FIG. 3 is a plan view of a plug board of a connection node of a steel plate silo combined shear wall according to an embodiment of the present invention;
FIG. 4 is a plan view of a steel groove of a connecting node of a steel plate bin combined shear wall according to an embodiment of the invention;
FIG. 5 is a schematic plan view of a steel plate silo combination shear wall connection node backing plate according to an embodiment of the invention;
fig. 6 is a schematic perspective view of a steel plate silo combined shear wall connection node according to an embodiment of the present invention.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings.
Examples
The steel plate storehouse combination shear wall grafting node includes steel plate storehouse combination shear wall 1, lower steel plate storehouse combination shear wall 2, picture peg 3, steel bay 4 and backing plate 5, the picture peg weld in the outer 9 inboard lower extremes of steel sheet of last steel plate storehouse combination shear wall, the steel bay welds in the outer 8 inboard upper ends of steel sheet of steel plate storehouse combination shear wall down, 2 upper ends welding backing plate 5 of lower steel plate storehouse combination shear wall, hole 6 is reserved at the position that sets up the steel bay in advance to backing plate 5, during the on-the-spot concatenation, insert the connection of two steel plate storehouse combination shear walls about realizing in the steel bay 4 through picture peg 3, pour concrete 7 in the cavity again.
The long 5000mm of steel sheet storehouse combination shear wall, wall thickness 120mm, upper and lower shear wall piece height is 1800mm pipe support diameter 50mm, and pipe support interval 300mm, the test piece all adopt the steel sheet that the intensity level is Q235, and the intussuseption concrete adopts C30 intensity level, and the thickness that steel sheet storehouse outer steel sheet and steel pipe supported is 4mm, then steel sheet storehouse combination shear wall grafting node calculation as follows:
determining the size requirement of the splicing node of the steel plate bin combined shear wall;
the size requirement of the splicing node of the steel plate bin combined shear wall is as follows:
Claims (2)
1. the steel plate bin combined shear wall splicing node is characterized by comprising an upper steel plate bin combined shear wall, a lower steel plate bin combined shear wall, a plugboard, a steel groove and a base plate, wherein the plugboard is welded at the lower end of the inner side of an outer steel plate of the upper steel plate bin combined shear wall;
the method for calculating the splicing node of the steel plate bin combined shear wall comprises the following steps:
the first step is as follows: determining parameters of splicing nodes of the steel plate bin combined shear wall, wherein the parameters comprise the splicing length of the plugboards, the insertion length of the plugboards, the width of the plugboards, the distance of the plugboards and the thickness of the base plate;
the second step is that: calculating the maximum value F of the horizontal load borne by the steel plate bin combined shear wall according to the Stokes formulas (1) and (2);
the conditions are satisfied as follows:
wherein R is a function expression of stress along the x direction; q-function expression of force along y direction; p is a function expression of stress along the z direction;
the third step: the shearing force and the bending moment of the shear wall of the whole steel plate bin under the action of the concentrated force F are shown in formulas (3) and (4)
In the formula, H is the length of the steel plate bin combined shear wall, sh, ch is hyperbolic sine and hyperbolic cosine, η is relative position coordinates in a building, and lambda is a rigidity characteristic value;
the fourth step: the bending moment generated at the x-high section of the steel plate bin combined shear wall and the corresponding shear force at the section are shown in formulas (5) and (6);
fifthly, obtaining the proportion ξ of the concrete and the steel in the horizontal bearing capacity according to the formula (7), wherein the value of ξ is 2.5- ξ -3.5 to ensure the cooperation of the concrete and the steel;
in the formula, As-the cross-sectional area of the steel tube;
-the cross-sectional area of the steel plate outside the shear wall; a. thecCore concrete cross-sectional area α Steel content fy-ultimate tensile strength of the steel; f. ofck-concrete axial compressive strength standard value; n is the number of plug-in connectors; t is the thickness of the inserting plate; h is the width of the plugboard;
and a sixth step: determining the size of a splicing node of the steel plate bin combined shear wall;
thickness t of the insert plate: t is a + 2;
length l of insert plate welding1： l10.7T, when1<At 100 hours,/1Taking 100;
length of insertion of the board2： l2＝l1+2t1；
Board inserting width h: h is (1.0-1.5) T;
distance d between the inserting plates: d ═ H-nh)/(n + 1);
thickness t of the backing plate1： t1＝2a；
Width h of inner and outer rings of the backing plate1： h1＝5a；
In the formula, n is the number of plug connectors; t is the thickness of the steel plate bin combined shear wall; h is the length of the steel plate bin combined shear wall; a is the thickness of the steel plate outside the combined shear wall of the steel plate bin.
2. The steel plate bin combined shear wall splicing node and the calculation method thereof according to claim 1, wherein the base plate is an integral plate, a hole is reserved in a position where the steel groove is arranged in advance, and the hole is welded to the upper end of the lower steel plate combined shear wall so as to ensure the stability during construction.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911199135.4A CN110924572B (en) | 2019-11-29 | 2019-11-29 | Calculation method for splicing nodes of steel plate bin combined shear wall |
| PCT/CN2020/097344 WO2021103507A1 (en) | 2019-11-29 | 2020-06-22 | Steel silo shear wall insertion joint and calculation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911199135.4A CN110924572B (en) | 2019-11-29 | 2019-11-29 | Calculation method for splicing nodes of steel plate bin combined shear wall |
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| CN110924572B CN110924572B (en) | 2021-12-24 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112814225A (en) * | 2020-12-22 | 2021-05-18 | 合肥工业大学 | Plug-pull longitudinal rib type sound insulation steel-concrete combined shear wall and assembling method thereof |
| CN112883620A (en) * | 2021-03-10 | 2021-06-01 | 陕西建工集团有限公司 | Construction method of irregular plate column shear wall structure under finite element analysis |
| WO2021103507A1 (en) * | 2019-11-29 | 2021-06-03 | 青岛理工大学 | Steel silo shear wall insertion joint and calculation method |
| CN117107920A (en) * | 2023-09-26 | 2023-11-24 | 中国建筑科学研究院有限公司 | Connecting node of compartment type combined shear wall and floor slab and construction method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080282634A1 (en) * | 2006-05-18 | 2008-11-20 | Ping Qu | Composite Concrete Shear Wall for Heat Insulation |
| CN104047378A (en) * | 2014-05-05 | 2014-09-17 | 浙江杭萧钢构股份有限公司 | Steel tube bundle combined structure shear wall field spliced node |
| CN108316516A (en) * | 2018-01-08 | 2018-07-24 | 青岛腾远设计事务所有限公司 | Square tube supporting steel plate storehouse |
| CN208309901U (en) * | 2018-01-08 | 2019-01-01 | 青岛理工大学 | Round tube supporting steel plate bin |
| CN109723142A (en) * | 2019-02-21 | 2019-05-07 | 汉尔姆建筑科技有限公司 | A kind of building structure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050009086A (en) * | 2003-07-15 | 2005-01-24 | 유승룡 | Constructing method of prefabricated bearing wall and wall member therefor |
| CN206538876U (en) * | 2016-12-01 | 2017-10-03 | 山东科技大学 | Connecting node between novel fabricated steel plate concrete faced wall wall |
| CN108149835A (en) * | 2018-01-08 | 2018-06-12 | 青岛理工大学 | Circular tube supporting steel plate bin and manufacturing method |
| CN109680832A (en) * | 2019-02-21 | 2019-04-26 | 汉尔姆建筑科技有限公司 | Precast shear wall unit, spigot-and-socket shear wall and building |
| CN110273544A (en) * | 2019-05-22 | 2019-09-24 | 浙江精工钢结构集团有限公司 | The production method that part cladding steel reinforced concrete shear walls vertically splice tempering node |
| CN110924572B (en) * | 2019-11-29 | 2021-12-24 | 青岛理工大学 | Calculation method for splicing nodes of steel plate bin combined shear wall |
-
2019
- 2019-11-29 CN CN201911199135.4A patent/CN110924572B/en active Active
-
2020
- 2020-06-22 WO PCT/CN2020/097344 patent/WO2021103507A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080282634A1 (en) * | 2006-05-18 | 2008-11-20 | Ping Qu | Composite Concrete Shear Wall for Heat Insulation |
| CN104047378A (en) * | 2014-05-05 | 2014-09-17 | 浙江杭萧钢构股份有限公司 | Steel tube bundle combined structure shear wall field spliced node |
| CN108316516A (en) * | 2018-01-08 | 2018-07-24 | 青岛腾远设计事务所有限公司 | Square tube supporting steel plate storehouse |
| CN208309901U (en) * | 2018-01-08 | 2019-01-01 | 青岛理工大学 | Round tube supporting steel plate bin |
| CN109723142A (en) * | 2019-02-21 | 2019-05-07 | 汉尔姆建筑科技有限公司 | A kind of building structure |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103507A1 (en) * | 2019-11-29 | 2021-06-03 | 青岛理工大学 | Steel silo shear wall insertion joint and calculation method |
| CN112814225A (en) * | 2020-12-22 | 2021-05-18 | 合肥工业大学 | Plug-pull longitudinal rib type sound insulation steel-concrete combined shear wall and assembling method thereof |
| CN112814225B (en) * | 2020-12-22 | 2022-04-19 | 合肥工业大学 | Plug-pull longitudinal rib type sound insulation steel-concrete combined shear wall and assembling method thereof |
| CN112883620A (en) * | 2021-03-10 | 2021-06-01 | 陕西建工集团有限公司 | Construction method of irregular plate column shear wall structure under finite element analysis |
| CN112883620B (en) * | 2021-03-10 | 2022-06-10 | 陕西建工集团有限公司 | Construction method of irregular plate column shear wall structure under finite element analysis |
| CN117107920A (en) * | 2023-09-26 | 2023-11-24 | 中国建筑科学研究院有限公司 | Connecting node of compartment type combined shear wall and floor slab and construction method thereof |
| CN117107920B (en) * | 2023-09-26 | 2024-03-26 | 中国建筑科学研究院有限公司 | Connecting node of compartment type combined shear wall and floor slab and construction method thereof |
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| CN110924572B (en) | 2021-12-24 |
| WO2021103507A1 (en) | 2021-06-03 |
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