CN204781443U - Device for connecting precast shear wall concatenation about being used for - Google Patents

Device for connecting precast shear wall concatenation about being used for Download PDF

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Publication number
CN204781443U
CN204781443U CN201520499239.8U CN201520499239U CN204781443U CN 204781443 U CN204781443 U CN 204781443U CN 201520499239 U CN201520499239 U CN 201520499239U CN 204781443 U CN204781443 U CN 204781443U
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China
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groove
steel
horizontal
precast shear
anchor slab
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CN201520499239.8U
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韦宏
王帆
黄昌辉
许晓峰
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ARCHITECTURAL DESIGN RESEARCH INSTITUTE OF SCUT
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ARCHITECTURAL DESIGN RESEARCH INSTITUTE OF SCUT
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Abstract

The utility model discloses a device for connecting precast shear wall concatenation about being used for, connecting device constitutes by the multiunit, and each connecting device of group includes left recess, right recess, left dowel, left anchor slab, right dowel, right anchor slab, left horizontal shaped steel and right horizontal shaped steel, right -hand member at left precast shear wall hollows out one towards the left side, form left recess, hollows out one towards the right side at right precast shear wall's left end, forms right recess, and setting up of left recess and right recess is highly the same, set up left horizontal shaped steel in left recess, left precast shear wall's above left recess right -hand member face department sets up left anchor slab, and the left end face of left anchor slab is connected with left precast shear wall's right -hand member face, the utility model is suitable for a vertical piece of assembled precast shear wall is connected, and the substituting current vertical piece connection technology of precast shear wall can simplify precast shear wall assembly process, shorten construction period, reduce the manual work and consume, reduce on -the -spot the pollution and the material waste.

Description

A kind of linkage for the splicing of left and right precast shear wall
Technical field
The utility model relates to a kind of linkage for the splicing of left and right precast shear wall, for the splicing of the left and right precast shear wall of same floor, belongs to building engineering field.
Background technology
Shear wall is the component pattern applied in construction work widely, for bearing vertical load (deadweight, service load etc. as building) and horizontal force (as wind, horizontal earthquake etc.).Comprehensive, shear wall bears shearing, moment of flexure, axial force.
" prefabricated shear wall " is adapted to architectural industrialization development, its basic skills is: manufacture precast shear wall component and reserved linkage in factory, at building-site by precast shear wall hoisted in position, by reserved linkage, multi-disc precast shear wall is properly connected.
The assembling of precast shear wall needs the piece of solution two type to connect: one is that horizontal piece connects; Two is that vertical piece connects.The utility model is for the connection of vertical piece.
Require below the linkage demand fulfillment of the vertical piece of precast shear wall:
1, force request.The vertical piece of precast shear wall bears the internal force such as shearing, axial force down in working order, and linkage needs enough supporting capacitys.
2, rigidity requirement.The distortion in use of main finger can not exceed the limit value of related specifications.
3, durability and fire resistant requirements.
4, construction requirement.Assembling is simple, constructability, shortening construction period, minimizing scene are manually expended.
Prior art adopts following two class methods to meet above four aspects and requires:
1, bar connecting, rear pouring concrete
Specific practice is: the reserved steel bar of precast shear wall stretches into vertical piece region overlap joint, then in vertical piece region cast-in-situ concrete.
A segment distance is reserved as seam region between left precast shear wall and right precast shear wall, the reserved steel bar of left and right precast shear wall stretches into seam region and overlaps, also need in addition to set up vertical reinforcement and closed stirrup etc., finally cast-in-situ concrete in seam region.
2, pre-embedded steel slab is welded, in conjunction with post-grouting
Representing way is: precast shear wall seam crossing reserves horse tooth trough, arranges pre-embedded steel slab in horse tooth trough protruding parts.Welding pre-embedded steel slab is also in the milk in horse tooth trough gap.
Seam region between left precast shear wall and right precast shear wall reserves horse tooth trough, protruding parts pre-embedded steel slab, during splicing, is coupled together by the steel plate at convex for left and right precast shear wall tooth place by welding, then connects slurry in the indent perfusion of horse tooth trough.
First kind method, its advantage is the level that the bearing capacity of shear wall, rigidity, durability and fire resistance after assembling can reach integral cast-in-situ shear wall substantially, shortcoming be expend assembling labor hour, waste material, construct cumbersome.
Equations of The Second Kind method, labor hour during its assembling expends more less slightly than first kind method, and structure structure is simpler than first kind method, and shortcoming is: bearing capacity and stiffness is more weak than integral cast-in-situ shear wall.
Utility model content
The purpose of this utility model is exactly to overcome now methodical deficiency, a kind of a kind of linkage for the splicing of left and right precast shear wall connecting left and right precast shear wall is provided, this device can meet bearing capacity and stiffness close to integral cast-in-situ shear wall, has durable refractory, simple installation, shortening construction period simultaneously, reduces the on-the-spot feature manually expended.
The purpose of this utility model is realized by following method:
A kind of linkage for the splicing of left and right precast shear wall, the connection of vertical piece during for assembling left precast shear wall and right precast shear wall, form by organizing linkage, each group linkage comprises left groove, right groove, left dowel, left anchor slab, right dowel, right anchor slab, left horizontal section steel and right horizontal section steel more; Hollow out one piece to the left in the right side of left precast shear wall, form left groove, hollow out one piece to the right in the left side of right precast shear wall, form right groove, left groove is identical with the rational height of right groove; In left groove, arrange left horizontal section steel, the left end of left horizontal section steel stretches into anchoring in left precast shear wall, and right-hand member stretches out from left groove; In right groove, arrange right horizontal section steel, the right-hand member of right horizontal section steel stretches into anchoring in right precast shear wall, and left end stretches out from right groove; The right side place of the left precast shear wall above left groove arranges left anchor slab, the right side of left anchor slab flushes with the right side of left horizontal section steel, the left side of left anchor slab is connected with the right side of left precast shear wall, the left side of left anchor slab is connected with the right-hand member of left dowel by welding, and left dowel all stretches into anchoring in left precast shear wall;
The right side of described left anchor slab is connected with the left side of right anchor slab, and the right side of left horizontal section steel is connected with the left side of right horizontal section steel;
In linkage left groove or right groove groove floor to left groove in adjacent linkage or right groove groove end face between distance be not less than the half of adjacent left groove or right groove height sum in these two groups of linkages.
For realizing the utility model object further, preferably, the mode that the right side of described left anchor slab is connected with the left side of right anchor slab is the edge welding at left anchor slab and right anchor slab junction, with the left anchor slab of anchor slab limit solder design and right anchor slab.
Preferably, the mode that the right side of described left horizontal section steel is connected with the left side of right horizontal section steel is with horizontal section steel web weld seam or adopts high-strength bolt and junction plate to tie the web of web and the right horizontal section steel connecing left horizontal section steel.
Preferably, in described linkage left groove or right groove groove floor to left groove in adjacent linkage or right groove groove end face between distance all get phase co-altitude, this is highly 300mm to 600mm.
Preferably, in described linkage left groove or right groove groove floor to left groove in adjacent linkage or right groove groove end face between distance be 300mm, 350mm, 400mm, 450mm, 500mm, 550mm or 600mm.
Preferably, described left groove is identical with width with the length of right groove.
Preferably, the quantity of described left dowel and right dowel, diameter are identical with length.
Preferably, width, the height of the left anchor slab in same group of linkage and right anchor slab are identical with thickness.
Preferably, the recess position formed relative to the thickness direction of precast shear wall and precast shear wall at left anchor slab and right anchor slab and fill cement mortar in left groove and right groove, forms protective facing.
Preferably, the employing horizontal distribution reinforcing bar of described left dowel and right dowel, shaped steel, peg or crab-bolt.
The height of described left horizontal section steel or right horizontal section steel is less than the height of left groove or right groove, left horizontal section steel or right horizontal section steel end face to distance and the left horizontal section steel of left groove or right groove end face or right horizontal section steel bottom surface equal to the distance of left groove or right groove floor.Preferably, often organize left horizontal section steel or right horizontal section steel adopt highly be less than left groove or right groove height 20mm ?the shaped steel of same size of 100mm.
Relative to prior art, the utility model tool has the following advantages:
1) the utility model is applicable to the vertical piece connection of prefabricated shear wall, substitute the vertical piece link technique of existing precast shear wall, precast shear wall assembly technology can be simplified, shorten the construction period, minimizing manually expends, reduce on-the-spot pollution and waste of material.
2) the utility model device can bear the vertical piece of fabricated shear wall operationally born shearing, pressure, under rarely occurred earthquake effect, horizontal section steel and the surrender of anchor slab side weld seam, dissipation seismic energy, but shear wall does not destroy, the security performance of structure can be improved like this, and easily repair after shake.
3) in order to meet durability and the fire resistant requirements of anchor slab; preferably, the width of described upper anchor slab and lower anchor slab is less than the thickness of precast shear wall, when arranging anchor slab; the both sides in edges of boards distance wall thickness direction respectively reserve the space of 20mm, so that subsequent construction arranges anticorrosion fireproof jointing sheath.
4) in order to meet durability, the fire resistant requirements of horizontal section steel, increasing the bending stiffness of fabricated shear wall, preferably, after connecting left horizontal section steel and right horizontal section steel, concrete can be filled in groove.
Accompanying drawing explanation
Fig. 1 adopts the utility model device assembling precast shear wall elevation appearance figure.
Fig. 2 adopts the utility model device assembling precast shear wall at the vertical cross section figure of centerline.
Fig. 3 adopts the horizontal sectional drawing of the utility model device assembling precast shear wall at anchor slab place.
Fig. 4 adopts the horizontal sectional drawing of the utility model device assembling precast shear wall at horizontal section steel place.
Detailed description of the invention
For understanding the utility model further, below in conjunction with accompanying drawing, the utility model will be further described, but the claimed scope of the utility model is not limited to the scope of embodiment statement.
As shown in Figure 1, a kind of linkage for the splicing of left and right precast shear wall, especially for the connection of vertical piece when the left precast shear wall 1 of assembling and right precast shear wall 2, form by organizing linkage, each group linkage comprises left groove 3, right groove 4, left dowel 5, left anchor slab 6, right dowel 7, right anchor slab 8, left horizontal section steel 9 and right horizontal section steel 10 more; Hollow out one piece to the left in the right side of left precast shear wall 1, form left groove 3, hollow out one piece to the right in the left side of right precast shear wall 2, form right groove 4, left groove 3 is identical with the rational height of right groove 4; In left groove 3, arrange left horizontal section steel 9, the left end of left horizontal section steel 9 stretches into anchoring in left precast shear wall 1, and right-hand member stretches out from left groove 3; In right groove 4, arrange right horizontal section steel 10, the right-hand member of right horizontal section steel 10 stretches into anchoring in right precast shear wall 2, and left end stretches out from right groove 4.The right side place of the left precast shear wall 1 above left groove 3 arranges left anchor slab 6, the right side of left anchor slab 6 flushes with the right side of left horizontal section steel 9, the left side of left anchor slab 6 is connected with the right side of left precast shear wall 1, the left side of left anchor slab 6 is connected with the right-hand member of left dowel 5 by welding, and left dowel 5 all stretches into anchoring in left precast shear wall 1.The left side of left anchor slab 6 is connected with the right side of left precast shear wall 1 and refers to that both contact surfaces exist extruding force or frictional force.
The left side place of the right precast shear wall 2 above right groove 4 arranges right anchor slab 8, the left side of right anchor slab 8 flushes with the left side of right horizontal section steel 10, the right side of right anchor slab 8 is connected with the left side of right precast shear wall 2, the right side of right anchor slab 8 is connected with the left end of right dowel 7 by welding, and right dowel 7 all stretches into anchoring in right precast shear wall 2.The right side of right anchor slab 8 is connected with the left side of right precast shear wall 2 and refers to that both contact surfaces exist extruding force or frictional force.
When splicing left precast shear wall 1 and right precast shear wall 2, the right side of left anchor slab 6 is connected with the left side of right anchor slab 8, the right side of left horizontal section steel 9 is connected with the left side of right horizontal section steel 10, in the edge welding of left anchor slab 6 and right anchor slab 8 junction, left anchor slab 6 and right anchor slab 8 is connected with anchor slab side weld seam 11, in the vertical direction welding of the contact surface of left horizontal section steel 9 and right horizontal section steel 10, connect the web of left horizontal section steel 9 and the web of right horizontal section steel 10 with horizontal section steel web weld seam 12.The weld seam of left horizontal section steel 9 and right horizontal section steel 10 contact surface is vertical weld seam, this weld seam only connects the web between two horizontal section steels, and the edge of a wing do not connected between two horizontal section steels, it is to be noted, web and the edge of a wing are the ingredients of shaped steel, and web is the vertical plate arranged in shaped steel, and the edge of a wing is horizontally disposed plate in shaped steel, comprise top flange and bottom flange, contacted by web between upper bottom flange.
The connected mode of left horizontal section steel 9 and right horizontal section steel 10 can also adopt high-strength bolt and junction plate to tie and connect; The size of the model of high-strength bolt, quantity, layout and junction plate should meet the requirement of " GB50017 Code for design of steel structures " according to stressing conditions.
When left dowel 5, left anchor slab 6 are connected with left precast shear wall 1, the internal force that anchor slab side weld seam 11 bears is mainly shearing, the shearing of anchor slab side weld seam 11 passes to left dowel 5 by left dowel 5 with the welding position of left anchor slab 6 left side, left precast shear wall 1 is delivered to again by the anchorage effect of left precast shear wall 1 to left dowel 5, in other words, Shear transfer path is: anchor slab side weld seam 11 → left dowel 5 and left anchor slab 6 connecting portion → left dowel 5 → left precast shear wall 1.
In linkage left groove 3 or right groove 4 groove floor to left groove in adjacent linkage or right groove groove end face between distance be not less than the half of adjacent left groove or right groove height sum in these two groups of linkages.
Preferably, in linkage left groove 3 or right groove 4 groove floor to left groove 3 in adjacent linkage or right groove 4 groove end face between distance all get phase co-altitude, this is highly 300mm to 600mm, preferably the integral multiple of 50mm.
Preferably, left groove 3 is identical with width with the length of right groove 4.
Preferably, the quantity of left dowel 5 and right dowel 7, diameter are identical with length.
In order to meet the durable fireproof requirement of linkage, the recess position formed relative to the thickness direction of left precast shear wall 1 and right precast shear wall 2 at left anchor slab 6 and right anchor slab 8 and fill cement mortar in left groove 3 and right groove 4, forms protective facing.
The vertical piece welded end plate of fabricated shear wall implemented according to accompanying drawing 1 ~ 3 and horizontal section steel combined connection apparatus, compared with prior art, have following advantages:
1) the utility model adopts the welded end plate of vertical edge joint position and shaped steel can provide larger shear-carrying capacity, and the supporting capacity of the shear wall after assembling is not second to entirely cast-in-place shear wall;
2) adopt a kind of linkage for the splicing of left and right precast shear wall of the utility model, the welded end plate of vertical edge joint position and shaped steel can provide larger shearing rigidity, and bending stiffness and the entirely cast-in-place shear wall of the shear wall after assembling are more or less the same;
3) adopt a kind of linkage for the splicing of left and right precast shear wall of the utility model, protective facing can be set up outside the anchor slab of the utility model device and horizontal section steel, to meet the durable fireproof requirement of the utility model.
4) the utility model is adopted, the left groove 3 of the vertical edge joint position of precast shear wall, right groove 4, left dowel 5, left anchor slab 6, right dowel 7, right anchor slab 8, left horizontal section steel 9, right horizontal section steel 10 is made in factory all in advance, when lifting at the scene, each is made to organize left groove 3 and right groove 4, left dowel 5 and right dowel 7, left anchor slab 6 aligns one by one with right anchor slab 8, left anchor slab 6 and right anchor slab 8 is connected with anchor slab side weld seam 11, left horizontal section steel 9 and right horizontal section steel 10 is connected with horizontal section steel web weld seam 12 or high-strength bolt junction plate, just can make left precast shear wall 1 and right precast shear wall 2 is assembled completes.Because connected mode of the present utility model does not relate to the wet trade such as poured in place concrete and mortar substantially, therefore work efficiency is high, it is few to pollute, and does not need long-time curing concrete and perfusion slurry just can carry out next step fitting operation.Compared with present practices well, adopt the utility model can save a lot of manpower, the obvious reduction of erection time;
5) the utility model is adopted, because assembled speed is fast, do not need curing concrete and perfusion slurry, so do not need the support arranging precast shear wall, compared with present practices well, have that obvious labor workload is little, expend time in less advantage, and other constructing operation in room can not be affected, also can not destroy floor topping.
6) the utility model is adopted, the anti-seismic performance of shear wall can be improved, under rarely occurred earthquake effect, horizontal section steel and anchor slab side weld seam can be surrendered, with dissipation seismic energy, but shear wall does not destroy, so namely reach the object improving Antiseismic building performance, and after shake, horizontal section steel and anchor slab side weld seam are easily repaired.

Claims (10)

1. for a linkage for left and right precast shear wall splicing, it is characterized in that, forming by organizing linkage more, each group linkage comprises left groove, right groove, left dowel, left anchor slab, right dowel, right anchor slab, left horizontal section steel and right horizontal section steel; Hollow out one piece to the left in the right side of left precast shear wall, form left groove, hollow out one piece to the right in the left side of right precast shear wall, form right groove, left groove is identical with the rational height of right groove; In left groove, arrange left horizontal section steel, the left end of left horizontal section steel stretches into anchoring in left precast shear wall, and right-hand member stretches out from left groove; In right groove, arrange right horizontal section steel, the right-hand member of right horizontal section steel stretches into anchoring in right precast shear wall, and left end stretches out from right groove; The right side place of the left precast shear wall above left groove arranges left anchor slab, the right side of left anchor slab flushes with the right side of left horizontal section steel, the left side of left anchor slab is connected with the right side of left precast shear wall, the left side of left anchor slab is connected with the right-hand member of left dowel by welding, and left dowel all stretches into anchoring in left precast shear wall;
The right side of described left anchor slab is connected with the left side of right anchor slab, and the right side of left horizontal section steel is connected with the left side of right horizontal section steel;
In linkage left groove or right groove groove floor to left groove in adjacent linkage or right groove groove end face between distance be not less than the half of adjacent left groove or right groove height sum in these two groups of linkages.
2. the linkage for the splicing of left and right precast shear wall according to claim 1, it is characterized in that, the mode that the right side of described left anchor slab is connected with the left side of right anchor slab is the edge welding at left anchor slab and right anchor slab junction, with the left anchor slab of anchor slab limit solder design and right anchor slab.
3. the linkage for the splicing of left and right precast shear wall according to claim 1, it is characterized in that, the mode that the right side of described left horizontal section steel is connected with the left side of right horizontal section steel is with horizontal section steel web weld seam or adopts high-strength bolt and junction plate to tie the web of web and the right horizontal section steel connecing left horizontal section steel.
4. the linkage for the splicing of left and right precast shear wall according to claim 1, it is characterized in that, in described linkage left groove or right groove groove floor to left groove in adjacent linkage or right groove groove end face between distance all get phase co-altitude, this is highly 300mm to 600mm.
5. the linkage for the splicing of left and right precast shear wall according to claim 4, it is characterized in that, in described linkage left groove or right groove groove floor to left groove in adjacent linkage or right groove groove end face between distance be 300mm, 350mm, 400mm, 450mm, 500mm, 550mm or 600mm.
6. the linkage for the splicing of left and right precast shear wall according to claim 1, it is characterized in that, described left groove is identical with width with the length of right groove; Quantity, the diameter of described left dowel and right dowel are identical with length.
7. the linkage for the splicing of left and right precast shear wall according to claim 1, it is characterized in that, left horizontal section steel or right horizontal section steel end face to distance and the left horizontal section steel of left groove or right groove end face or right horizontal section steel bottom surface equal to the distance of left groove or right groove floor; Often organize left horizontal section steel or right horizontal section steel adopt highly be less than left groove or right groove height 20mm ?the shaped steel of same size of 100mm.
8. the linkage for the splicing of left and right precast shear wall according to claim 1, is characterized in that, width, the height of the left anchor slab in same group of linkage and right anchor slab are identical with thickness.
9. the linkage for the splicing of left and right precast shear wall according to claim 1, it is characterized in that, the recess position formed relative to the thickness direction of precast shear wall and precast shear wall at left anchor slab and right anchor slab and fill cement mortar in left groove and right groove, forms protective facing.
10. the linkage for the splicing of left and right precast shear wall according to claim 1, is characterized in that, the employing horizontal distribution reinforcing bar of described left dowel and right dowel, shaped steel, peg or crab-bolt.
CN201520499239.8U 2015-07-10 2015-07-10 Device for connecting precast shear wall concatenation about being used for Active CN204781443U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105040855A (en) * 2015-07-10 2015-11-11 华南理工大学建筑设计研究院 Assembled prefabricated shear wall welding end plate and horizontal steel combination connecting device
CN107190881A (en) * 2017-06-26 2017-09-22 东南大学 A kind of fabricated shear wall vertical abutment joint mild-steel energy-consumption attachment means

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105040855A (en) * 2015-07-10 2015-11-11 华南理工大学建筑设计研究院 Assembled prefabricated shear wall welding end plate and horizontal steel combination connecting device
CN105040855B (en) * 2015-07-10 2017-11-03 华南理工大学建筑设计研究院 Prefabricated shear wall welded end plate and horizontal section steel combined connection apparatus
CN107190881A (en) * 2017-06-26 2017-09-22 东南大学 A kind of fabricated shear wall vertical abutment joint mild-steel energy-consumption attachment means

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