CN115627842A - Assembled concrete shear force wall horizontal connection structure - Google Patents
Assembled concrete shear force wall horizontal connection structure Download PDFInfo
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- CN115627842A CN115627842A CN202211652708.6A CN202211652708A CN115627842A CN 115627842 A CN115627842 A CN 115627842A CN 202211652708 A CN202211652708 A CN 202211652708A CN 115627842 A CN115627842 A CN 115627842A
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- 239000004567 concrete Substances 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 48
- 239000010959 steel Substances 0.000 claims abstract description 48
- 230000000670 limiting effect Effects 0.000 claims description 31
- 238000004873 anchoring Methods 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 9
- 230000008878 coupling Effects 0.000 abstract description 7
- 238000010168 coupling process Methods 0.000 abstract description 7
- 238000005859 coupling reaction Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 6
- 239000011178 precast concrete Substances 0.000 description 6
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000006467 substitution reaction 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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/388—Separate connecting elements
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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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
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Abstract
The invention provides a horizontal connecting structure of an assembled concrete shear wall, which comprises a connecting assembly and a high-strength bolt; the connecting component comprises T-shaped steel and a connecting wing plate; the T-shaped steel comprises an end plate and a web plate; the end plates are embedded on the connecting end surfaces of the shear wall units, the web plates are embedded in the shear wall units, and one ends of the web plates are vertically and fixedly connected with the back surfaces of the end plates; it is relative from top to bottom with lower coupling assembling to go up coupling assembling, goes up coupling assembling's last connection pterygoid lamina and the lower connection pterygoid lamina of lower coupling assembling and folds and lean on together, and high strength bolt passes and connects behind the pterygoid lamina and the lower connection pterygoid lamina upper connecting hole with both fixed connection. The prefabricated concrete shear wall has the advantages of simple structure, reliable performance and convenient and fast construction, and has good economic benefit and social benefit.
Description
Technical Field
The invention relates to the technical field of industrialized construction structures, in particular to a horizontal connecting structure of an assembled concrete shear wall.
Background
At present, an assembly type building refers to a building in which building components and fittings are processed and manufactured in a factory, and then transported to a building construction site for assembly construction. A large number of concrete shear wall structures can be used in the fabricated building to accelerate the efficiency of building construction. The structure is complicated in the current assembled concrete shear wall structure, and is not favorable to the assembly concatenation to the concrete shear wall, and the connected mode is convenient inadequately, and the practicality remains to be improved, and the problem that the aforesaid appears is solved to the urgent need of an assembled concrete shear wall structure now.
Disclosure of Invention
The invention aims to provide a horizontal connecting structure of an assembled concrete shear wall, which solves at least one technical problem in the prior art.
In order to solve the technical problem, the invention provides an assembly type horizontal connection structure of a concrete shear wall, which is used for connecting two shear wall units which are adjacent up and down, and comprises: the connecting assembly and the high-strength bolt;
the connecting assembly comprises T-shaped steel and a connecting wing plate;
the T-shaped steel comprises end plates and a web plate;
the end plates are embedded on the connecting end surfaces of the shear wall units, the web plates are embedded in the shear wall units, and one ends (the ends close to the connecting end surfaces) of the web plates are vertically and fixedly connected with the back surfaces of the end plates;
the connecting wing plate is vertically connected to the outer side face of the end plate;
the connecting wing plate is provided with a connecting hole;
the two adjacent shear wall units comprise an upper layer of shear wall unit arranged above and a lower layer of shear wall unit arranged below;
the bottom of the upper layer shear wall unit is provided with an upper connecting assembly;
the top of the lower shear wall unit is provided with a lower connecting assembly;
the upper connecting assembly and the lower connecting assembly are opposite up and down, an upper connecting wing plate of the upper connecting assembly and a lower connecting wing plate of the lower connecting assembly are stacked together, and the high-strength bolt penetrates through the upper connecting wing plate and the lower connecting wing plate and then is fixedly connected with the upper connecting wing plate and the lower connecting wing plate.
The invention connects through the overhanging steel combined connecting piece of the upper precast concrete shear wall and the lower precast concrete shear wall, improves the assembly efficiency, reduces the installation difficulty through the sliding angle steel, has the advantages of simple structure, reliable performance and convenient construction, and has good economic benefit and social benefit.
Further, the lower connecting assembly comprises two lower connecting wing plates which are arranged in parallel and side by side; a slot is arranged between the two lower connecting wing plates; when the upper layer shear wall unit is connected with the lower layer shear wall unit, the upper connecting wing plate is inserted into the slot.
The width of the slot is equal to the thickness of the upper connecting wing plate and meets the insertion requirement; the lower connection wing plate may have a thickness smaller than that of the upper connection wing plate.
Further, the lower connecting assembly also comprises two L-shaped limiting plates,
the two L-shaped limiting plates are mutually and symmetrically fixedly connected on the outer side surface of the lower end plate, and a connecting groove with a T-shaped cross section is formed by the two L-shaped limiting plates and the lower end plate in a surrounding manner and is used for detachably connecting the lower connecting wing plate; a strip-shaped opening used for extending the lower connecting wing plate is arranged above the connecting groove.
Furthermore, a plug board is vertically arranged at the bottom of the lower connecting wing plate; the plug board and the lower connection wing plate are integrally T-shaped, the plug board is inserted into the connecting groove, and the lower connection wing plate extends out of the strip-shaped opening.
Further, the device also comprises a lower connecting angle steel; the lower connecting angle steel comprises a bottom plate and a lower connecting wing plate which are vertically arranged; two lower connecting angle steels are arranged back to back, and after the bottom plates of the two lower connecting angle steels are inserted into the connecting grooves, slots for the insertion connection of the upper connecting wing plates are reserved between the two lower connecting wing plates.
At this time, the width of the strip-shaped opening is slightly larger than the sum of the thicknesses of the two lower connecting wing plates and the upper connecting wing plate.
Furthermore, the length of the upper connecting wing plate is larger than that of the lower connecting wing plate, and after the upper connecting wing plate and the lower connecting wing plate are folded together, two ends of the upper connecting wing plate protrude out of the lower connecting wing plate.
Further, the upper connecting assembly further comprises two guard plates; the two guard plates are vertically fixed on the outer side surface of the upper end plate of the upper connecting assembly; the two guard plates are arranged on two sides of the upper connecting wing plate in parallel; the two ends of the upper connecting wing plate are respectively fixedly connected with the two guard plates, and the whole body is H-shaped.
Furthermore, when the upper-layer shear wall unit and the lower-layer shear wall unit are connected, the two L-shaped limiting plates are inserted between the two guard plates; two guard plates seal two ends of the connecting groove.
The backplate supports and leans on the terminal surface of L shape limiting plate, forms the limit structure of a groove length direction between two backplates and the L shape limiting plate, avoids upper shear force wall unit with along the relative movement of spread groove length direction between the shear force wall unit of lower floor.
Furthermore, the guard plate is provided with a through hole for passing through a steel bar or flowing through concrete.
And one end of the anchoring steel bar is fixedly connected with the back surface of the end plate or the web plate, and the other end of the anchoring steel bar extends towards the inside of the shear wall unit.
Furthermore, one or a plurality of anchoring steel bars are respectively distributed on two sides of the web plate.
Furthermore, in the shear wall unit, one or a plurality of anchor studs are fixedly arranged on one side or two sides of the web plate.
Furthermore, a plurality of groups of connecting components are arranged at intervals in the length direction of the shear wall unit.
Further, the device also comprises a positioning supporting block;
supporting plates are respectively embedded on the top surface and the bottom surface of the shear wall unit; a positioning groove which can be inserted and matched with the supporting block is arranged on the supporting plate;
the upper supporting plate on the bottom surface of the upper layer shear wall unit and the lower supporting plate on the top surface of the lower layer shear wall unit are arranged in a vertically corresponding mode; the upper end and the lower end of the positioning support block are respectively inserted into positioning grooves in the upper support plate and the lower support plate, and the positioning support block is used for temporarily supporting the upper-layer shear wall unit and realizing the position limitation between the upper-layer shear wall unit and the lower-layer shear wall unit during construction.
The setting of location supporting shoe and constant head tank can be so that go up coupling assembling and adjust well fast with lower coupling assembling to and high-speed joint, improved installation effectiveness and precision greatly.
Further, the positioning grooves are distributed along the thickness direction of the shear wall unit.
Furthermore, along the length direction of the shear wall unit, at least two support plates are respectively arranged on the top surface and the bottom surface of the shear wall unit at intervals.
Preferably, two ends of the top surface and the bottom surface of the shear wall unit are respectively provided with one support plate.
Furthermore, the bottom surface of the positioning groove is obliquely arranged along the thickness direction of the shear wall unit;
a wedge-shaped clamping opening with a large opening at one end and a small opening at the other end is formed between the upper positioning groove on the upper supporting plate of the upper layer shear wall unit and the lower positioning groove on the lower supporting plate of the lower layer shear wall unit;
the positioning supporting block is a wedge-shaped block; the fine adjustment of the distance between the upper layer shear wall unit and the lower layer shear wall unit can be realized by adjusting the depth of the positioning supporting block wedged into the wedge-shaped clamping opening, and the fine adjustment of the relative installation positions of the upper connecting assembly and the lower connecting assembly is further realized.
Furthermore, the top surface and the bottom surface of the shear wall unit are respectively provided with the T-shaped steel, end plates of the T-shaped steel are embedded on the top surface and the bottom surface of the shear wall unit, and a web plate of the T-shaped steel is embedded in the shear wall unit;
two L-shaped limiting plates are arranged on the outer side surface of the end plate;
the two L-shaped limiting plates are mutually symmetrically and fixedly connected to the outer side surface of the end plate, and a connecting groove with a T-shaped cross section is formed by the two L-shaped limiting plates and the end plate in a surrounding manner; a strip-shaped opening used for connecting the extending of the wing plates is arranged above the connecting groove;
the bottom of the connecting wing plate is vertically and fixedly provided with a plugboard; the plug board and the connecting wing plate are integrally T-shaped, and after the plug board is inserted into the connecting groove, the connecting wing plate extends out of the strip-shaped opening;
when the upper-layer shear wall unit is connected with the lower-layer shear wall unit, the upper plug board of the upper connecting wing board is inserted into the upper connecting groove on the bottom surface of the upper-layer shear wall unit, and the lower plug board of the lower connecting wing board is inserted into the lower connecting groove on the top surface of the lower-layer shear wall unit; the upper connecting wing plate and the lower connecting wing plate are stacked together, and the upper connecting wing plate and the lower connecting wing plate are fixedly connected after penetrating through the connecting holes on the upper connecting wing plate and the lower connecting wing plate by utilizing high-strength bolts.
Further, one end (only one end and not both ends) of the connection wing plate and the insertion plate is provided with a baffle plate;
when the upper-layer shear wall unit is connected with the lower-layer shear wall unit, the upper baffle of the upper connecting wing plate and the lower baffle of the lower connecting wing plate respectively cover the two ends of the upper connecting groove and the lower connecting groove from two sides.
The baffle plates are abutted against the end faces of the L-shaped limiting plates, a limiting structure in the groove length direction is formed between the two baffle plates and the L-shaped limiting plates, and relative movement between the upper-layer shear wall units and the lower-layer shear wall units along the length direction of the connecting groove is avoided.
Compared with the prior art, the invention has the following beneficial effects:
(1) The steel combined connecting piece manufacturing, the reinforcement cage binding, the concrete pouring and the maintenance in the horizontal connecting node of the fabricated concrete shear wall are all completed in a factory, and the assembled concrete shear wall is connected only through high-strength bolts in an installation site, and has the characteristics of clear stress, reliable performance, flexible design and convenient construction.
(2) The embedded steel combined connecting piece can be used as a template when the precast concrete wall body is manufactured, the steel bars do not need to extend out of the wall body, the formwork supporting difficulty is effectively reduced, and the number of the steel combined connecting pieces and the number of the high-strength bolts can be flexibly increased or decreased according to the bearing performance;
(3) According to the invention, the integrity of the embedded steel combined connecting piece and the precast concrete shear wall is enhanced by welding the anchoring studs and the anchoring steel bars on the side surfaces of the embedded T-shaped steel.
Drawings
In order to more clearly illustrate the embodiments or prior art solutions of the present invention, the drawings used in the embodiments or prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts.
Fig. 1 is a perspective view of a horizontal connection structure of an assembled concrete shear wall provided in embodiment 1 of the present invention;
FIG. 2 is an exploded view of the upper and lower connection assemblies shown in FIG. 1;
FIG. 3 is a schematic view of the connection structure of the upper and lower connection assemblies and the shear wall unit shown in FIG. 1;
FIG. 4 is an enlarged partial view of the intermediate connection portion of the upper and lower connection assemblies of FIG. 2;
fig. 5 is a schematic structural view of a horizontal connection structure of an assembled concrete shear wall provided in embodiment 2 of the present invention;
FIG. 6 is a partial enlarged view of the portion A in FIG. 5;
FIG. 7 is a cross-sectional view of BB of FIG. 6;
fig. 8 is a schematic view of a connection structure between an upper connection assembly and a lower connection assembly according to embodiment 3 of the present invention;
FIG. 9 is a schematic structural diagram of a shear wall unit in example 3 of the present invention;
fig. 10 is a schematic structural view of a connector composed of a connection wing plate, a plugboard and a baffle in embodiment 3.
Reference numerals:
100-shear wall unit, 101-upper layer shear wall unit, 102-lower layer shear wall unit, 110-high-strength bolt and 120-positioning supporting block; 130-a support plate; 131-a positioning groove; 200-connecting component, 201-upper connecting component, 202-lower connecting component, 210-T-shaped steel, 211-end plate, 211 a-lower end plate, 212-web plate, 220-connecting wing plate, 221-upper connecting wing plate, 222-lower connecting wing plate, 230-anchoring reinforcing steel bar, 240-anchoring stud, 250-L-shaped limiting plate, 251-connecting groove, 251 a-upper connecting groove; 251 b-lower connecting groove; 260-guard board; 270-lower connecting angle steel; 271-a base plate; 272-slot; 280-a plugboard; 281-upper plugboard; 282-lower pinboard; 290-baffle.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
The present invention will be further explained with reference to specific embodiments.
Example 1
As shown in fig. 1 to 4, the present embodiment provides an assembly type horizontal concrete shear wall connecting structure for connecting two shear wall units 100 adjacent to each other, including: a connecting assembly 200 and a high-strength bolt 110;
the connection assembly 200 comprises a T-shaped steel 210 and a connection wing plate 220;
the T-shaped steel 210 comprises an end plate 211 and a web 212;
the end plates 211 are embedded on the connecting end surfaces of the shear wall units 100, the web plates 212 are embedded in the shear wall units 100, and one ends (the ends close to the connecting end surfaces) of the web plates 212 are vertically and fixedly connected with the back surfaces of the end plates 211;
the connecting wing plate 220 is vertically connected to the outer side surface of the end plate 211;
the connecting wing plate 220 is provided with a connecting hole;
the two adjacent shear wall units 100 comprise an upper layer of shear wall unit 101 arranged above and a lower layer of shear wall unit 102 arranged below;
an upper connecting assembly 201 is arranged at the bottom of the upper layer shear wall unit 101;
the top of the lower layer shear wall unit 102 is provided with a lower connecting component 202;
the upper connecting component 201 and the lower connecting component 202 are opposite up and down, an upper connecting wing plate 221 of the upper connecting component 201 and a lower connecting wing plate 222 of the lower connecting component 202 are overlapped together, and the high-strength bolt 110 penetrates through connecting holes in the upper connecting wing plate 221 and the lower connecting wing plate 222 and then fixedly connects the upper connecting wing plate 221 and the lower connecting wing plate 222.
Further, the lower connection assembly 202 further includes two L-shaped limiting plates 250, the two L-shaped limiting plates 250 are symmetrically and fixedly connected to the outer side surface of the lower end plate 211a, and the two L-shaped limiting plates 250 and the lower end plate 211a enclose a connection groove 251 with a T-shaped cross section for detachably connecting the lower connection wing plate 222; a bar-shaped opening for the lower connection wing 222 to protrude is provided above the connection groove 251.
The embodiment also comprises a lower connecting angle steel 270; the lower connecting angle 270 comprises a bottom plate 271 and the lower connecting wing plate 222 which are vertically arranged; the two lower connecting angles 270 are arranged back to back, and after the bottom plates 271 of the two lower connecting angles 270 are inserted into the connecting grooves 251, an insertion groove 272 for inserting and connecting the upper connecting wing plate 221 is reserved between the two lower connecting wing plates 222.
At this time, the width of the bar-shaped opening is slightly greater than the sum of the thicknesses of the two lower and upper connection wings 222 and 221. The upper connection wing 221 is inserted into the insertion groove 272 from the top down and into the connection groove 251 through the bar-shaped opening, and the connection strength can be greatly increased.
Further, the length of the upper connection wing panel 221 is greater than that of the lower connection wing panel 222, and after the two connection wing panels are stacked together, both ends of the upper connection wing panel 221 protrude out of the lower connection wing panel 222. The upper connection assembly 201 further includes two shields 260; the two guard plates 260 are vertically fixed on the outer side surface of the upper end plate 211 of the upper connecting component 201; the two guard plates 260 are arranged in parallel at both sides of the upper connection wing plate 221; the two ends of the upper connection wing plate 221 are respectively fixedly connected with the two guard plates 260, and the whole body is in an H shape. When the upper-layer shear wall unit 101 and the lower-layer shear wall unit 102 are connected, the two L-shaped limiting plates 250 are inserted between the two guard plates 260; two shields 260 cover both ends of the coupling groove 251.
The guard plates 260 abut against the end faces of the L-shaped limiting plates 250, and a limiting structure in the length direction of the groove is formed between the two guard plates 260 and the L-shaped limiting plates 250, so that relative movement between the upper layer shear wall unit 101 and the lower layer shear wall unit 102 along the length direction of the connecting groove 251 is avoided.
The guard plate 260 is provided with a through hole for passing a steel bar or concrete.
The embodiment further includes an anchoring bar 230, and one end of the anchoring bar 230 is fixedly connected to the back surface of the end plate 211 or the web 212, and the other end extends toward the interior of the shear wall unit 100. Preferably, one or more anchoring bars 230 are respectively arranged on both sides of the web 212. And in the shear wall unit 100, a plurality of anchoring studs 240 are fixedly arranged on one side or two sides of the web 212.
In this embodiment, several groups of the connecting assemblies 200 are arranged at intervals in the length direction of the shear wall unit 100.
Compared with the prior art, the invention has the following beneficial effects:
(1) The manufacturing of the steel combined connecting piece, the binding of the steel reinforcement framework, the pouring of the concrete and the maintenance of the horizontal connecting node of the assembled concrete shear wall are all finished in a factory, and the assembling site is connected only by the high-strength bolt 110, so that the assembled concrete shear wall has the characteristics of clear stress, reliable performance, flexible design and convenient construction.
(2) The embedded steel combined connecting piece can be used as a template when the precast concrete wall body is manufactured, the steel bars do not need to extend out of the wall body, the formwork supporting difficulty is effectively reduced, and the number of the steel combined connecting pieces and the number of the high-strength bolts 110 can be flexibly increased or decreased according to the bearing performance;
(3) According to the invention, the integrity of the embedded steel combined connecting piece and the precast concrete shear wall body is enhanced by welding the anchoring studs 240 and the anchoring steel bars 230 on the side surfaces of the embedded T-shaped steel 210.
Example 2
This embodiment is substantially the same as embodiment 1 except that:
referring to fig. 5 and 6, the present embodiment further includes a positioning support block 120;
the top surface and the bottom surface of the shear wall unit 100 are respectively embedded with a support plate 130; the supporting plate 130 is provided with a positioning groove 131 which can be inserted and matched with the supporting block;
the upper support plate 130 on the bottom surface of the upper layer shear wall unit 101 and the lower support plate 130 on the top surface of the lower layer shear wall unit 102 are arranged in a vertically corresponding manner; the upper and lower ends of the positioning support block 120 are respectively inserted into positioning grooves 131 of the upper support plate 130 and the lower support plate 130, and are used for temporarily supporting the upper shear wall unit 101 during construction and realizing position limitation between the upper shear wall unit 101 and the lower shear wall unit 102.
The dual functions of spacing support and positioning of the positioning support blocks 120 are realized, a plurality of shear wall units 100 can be stacked in sequence from bottom to top during construction, two adjacent shear wall units 100 in height are separated by the positioning support blocks 120, the positioning support blocks 120 realize the supporting function, the positioning support blocks 120 and the positioning grooves 131 are arranged so that the upper connecting assembly 201 and the lower connecting assembly 202 can be aligned quickly, and quick connection is realized, and the mounting efficiency and the mounting precision are greatly improved. The positioning support block 120 may be retained in the cast-in-place concrete between the two shear wall units 100, or the positioning support block 120 may be removed by hammering after the upper connection assembly 201 and the lower connection assembly 202 are connected and fixed by the high-strength bolt 110.
The positioning grooves 131 are arranged in the thickness direction of the shear wall unit 100. At least two support plates 130 are respectively arranged on the top surface and the bottom surface of the shear wall unit 100 at intervals along the length direction of the shear wall unit 100. Preferably, one support plate 130 is disposed at each of both ends of the top and bottom surfaces of the shear wall unit 100.
More preferably, referring to fig. 7, the bottom surface of the positioning groove 131 is arranged obliquely along the thickness direction of the shear wall unit 100; a wedge-shaped clamping opening with a large opening at one end and a small opening at the other end is formed between the upper positioning groove 131 on the upper supporting plate 130 of the upper layer shear wall unit 101 and the lower positioning groove 131 of the lower supporting plate 130 of the lower layer shear wall unit 102; the positioning support block 120 is a wedge-shaped block; when the upper connecting assembly 201 and the lower connecting assembly 202 have installation errors and cannot be in butt joint, the fine adjustment of the distance between the upper layer shear wall unit 101 and the lower layer shear wall unit 102 can be realized by adjusting the depth of the positioning support block 120 wedged into the wedge-shaped clamping opening, and further the fine adjustment of the relative installation positions of the upper connecting assembly 201 and the lower connecting assembly 202 is realized until the upper connecting assembly 201 and the lower connecting assembly 202 can be in butt joint smoothly.
Example 3
This embodiment is substantially the same as embodiment 1 or 2, except that:
referring to fig. 8 and 9, in the present embodiment, the top surface and the bottom surface of the shear wall unit 100 are respectively provided with the T-shaped steel 210, the end plates 211 of the T-shaped steel 210 are embedded on the top surface and the bottom surface of the shear wall unit 100, and the web 212 of the T-shaped steel 210 is embedded in the shear wall unit 100;
two L-shaped limiting plates 250 are arranged on the outer side surface of the end plate 211;
the two L-shaped limiting plates 250 are mutually and symmetrically fixedly connected to the outer side surface of the end plate 211, and a connecting groove 251 with a T-shaped cross section is surrounded by the two L-shaped limiting plates 250 and the end plate 211; a strip-shaped opening for connecting the extending of the wing plate 220 is arranged above the connecting groove 251;
the bottom of the connection wing plate 220 is vertically and fixedly provided with a plug-in board 280; the plug board 280 and the connection wing plate 220 are integrally in a T shape, and after the plug board 280 is inserted into the connection groove 251, the connection wing plate 220 extends out of the strip-shaped opening;
when the upper shear wall unit 101 and the lower shear wall unit 102 are connected, the upper insertion plate 281 of the upper connection wing plate 221 is inserted into the upper connection groove 251a on the bottom surface of the upper shear wall unit 101, and the lower insertion plate 282 of the lower connection wing plate 222 is inserted into the lower connection groove 251b on the top surface of the lower shear wall unit 102; the upper connection wing plate 221 and the lower connection wing plate 222 are stacked together, and the upper connection wing plate 221 and the lower connection wing plate 222 are fixedly connected after being penetrated through the upper connection holes by the high-strength bolts 110.
In this embodiment, the shear wall unit 100 is used as a universal standard component, and during assembly, the upper unit and the lower unit do not need to be distinguished, and can be randomly stacked up and down, so that the assembly efficiency is greatly improved, and the production cost is reduced. Wherein, the inserting plate 280 and the connection wing plate 220 are fixed together by welding to form a universal connection member;
in the width direction of the socket plate 280, the connection wing plate 220 is offset to one side of the center line of the socket plate 280, and when the upper and lower connection members are butted, the upper connection wing plate 221 and the lower connection wing plate 222 are respectively arranged on both sides of the center line of the socket plate 280.
More preferably, referring to fig. 10, one end (only one end, not both ends) of the connection wing plate 220 and the insertion plate 280 is provided with a baffle 290; when the upper shear wall unit 101 and the lower shear wall unit 102 are connected, the upper baffle 290 of the upper connection wing plate 221 and the lower baffle 290 of the lower connection wing plate 222 cover the two ends of the upper connection groove 251 and the lower connection groove 251 from two sides, respectively.
The baffles 290 abut against the end faces of the L-shaped limiting plates 250, a limiting structure in the groove length direction is formed between the two baffles 290 and the L-shaped limiting plates 250, so that relative movement between the upper-layer shear wall unit 101 and the lower-layer shear wall unit 102 in the length direction of the connecting groove 251 is avoided, and the assembly efficiency is improved while the overall performance of the assembly structure is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an assembled concrete shear force wall horizontal connection structure for the connection between two shear force wall units of upper and lower adjacent, its characterized in that includes: the connecting assembly and the high-strength bolt;
the connecting assembly comprises T-shaped steel and a connecting wing plate;
the T-shaped steel comprises end plates and a web plate;
the end plates are embedded on the connecting end surfaces of the shear wall units, the web plates are embedded in the shear wall units, and one ends of the web plates are vertically and fixedly connected with the back surfaces of the end plates;
the connecting wing plate is vertically connected to the outer side face of the end plate;
the connecting wing plate is provided with a connecting hole;
the two adjacent shear wall units comprise an upper layer of shear wall unit arranged above and a lower layer of shear wall unit arranged below;
the bottom of the upper layer shear wall unit is provided with an upper connecting assembly;
the top of the lower layer shear wall unit is provided with a lower connecting component;
the upper connecting assembly and the lower connecting assembly are opposite up and down, an upper connecting wing plate of the upper connecting assembly and a lower connecting wing plate of the lower connecting assembly are stacked together, and the high-strength bolt penetrates through the upper connecting wing plate and the lower connecting wing plate and then is fixedly connected with the upper connecting wing plate and the lower connecting wing plate.
2. The fabricated concrete shear wall horizontal connection structure of claim 1, wherein the lower connection assembly comprises two lower connection wing plates arranged in parallel and side by side; a slot is arranged between the two lower connecting wing plates; when the upper layer shear wall unit is connected with the lower layer shear wall unit, the upper connecting wing plate is inserted into the slot.
3. The fabricated concrete shear wall horizontal connection structure of claim 2, wherein the lower connection assembly further comprises two L-shaped limiting plates,
the two L-shaped limiting plates are mutually and symmetrically fixedly connected on the outer side surface of the lower end plate, and a connecting groove with a T-shaped cross section is formed by the two L-shaped limiting plates and the lower end plate in a surrounding manner and is used for detachably connecting the lower connecting wing plate; a strip-shaped opening used for extending the lower connecting wing plate is arranged above the connecting groove.
4. The horizontal connecting structure of the fabricated concrete shear wall according to claim 3, wherein a plugboard is vertically arranged at the bottom of the lower connecting wing plate; the plug board and the lower connecting wing plate are integrally T-shaped, the plug board is inserted into the connecting groove, and the lower connecting wing plate extends out of the strip-shaped opening.
5. The fabricated concrete shear wall horizontal connection structure of claim 3, further comprising lower connection angle steel; the lower connecting angle steel comprises a bottom plate and a lower connecting wing plate which are vertically arranged; two lower connecting angle steels are arranged back to back, and after the bottom plates of the two lower connecting angle steels are inserted into the connecting grooves, slots for the insertion connection of the upper connecting wing plates are reserved between the two lower connecting wing plates.
6. The horizontal connection structure of an assembled concrete shear wall according to claim 3, wherein the length of the upper connection wing plate is greater than that of the lower connection wing plate, and after the upper connection wing plate and the lower connection wing plate are stacked together, two ends of the upper connection wing plate protrude out of the lower connection wing plate.
7. The fabricated concrete shear wall horizontal connection structure of claim 6, wherein the upper connection assembly further comprises two guard plates; the two guard plates are vertically fixed on the outer side surface of the upper end plate of the upper connecting component; the two guard plates are arranged on two sides of the upper connecting wing plate in parallel; the two ends of the upper connecting wing plate are respectively fixedly connected with the two guard plates, and the whole body is H-shaped.
8. The fabricated concrete shear wall horizontal connection structure of claim 7, wherein when the upper shear wall unit and the lower shear wall unit are connected, two L-shaped limiting plates are inserted between the two guard plates; two guard plates cover two ends of the connecting groove.
9. The horizontal connecting structure of an assembled concrete shear wall according to claim 7, wherein the guard plate is provided with through holes for passing steel bars or concrete.
10. The fabricated horizontal connection structure for a concrete shear wall according to claim 1, further comprising an anchoring bar, wherein one end of the anchoring bar is fixedly connected with the back surface of the end plate or the web, and the other end of the anchoring bar extends towards the interior of the shear wall unit.
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| CN110158806A (en) * | 2019-05-24 | 2019-08-23 | 东南大学 | A kind of assembled steel reinforced concrete shear force wall bolt fastening structure and preparation method thereof |
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| CN115627842B (en) | 2023-04-07 |
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