CN111139933B - FRP sheet material connecting structure and method for prefabricated linear shear wall-prefabricated floor system - Google Patents
FRP sheet material connecting structure and method for prefabricated linear shear wall-prefabricated floor system Download PDFInfo
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- CN111139933B CN111139933B CN202010003802.3A CN202010003802A CN111139933B CN 111139933 B CN111139933 B CN 111139933B CN 202010003802 A CN202010003802 A CN 202010003802A CN 111139933 B CN111139933 B CN 111139933B
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- 239000000463 material Substances 0.000 title description 21
- 210000001503 joint Anatomy 0.000 claims description 32
- 239000004570 mortar (masonry) Substances 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 2
- 230000003746 surface roughness Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 7
- 238000009958 sewing Methods 0.000 description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003733 fiber-reinforced composite Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 239000012761 high-performance material Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 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
- E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
- E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
- E04B1/043—Connections specially adapted therefor
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Abstract
The invention provides an FRP sheet connecting structure and method for a prefabricated linear shear wall-prefabricated floor system, which are used for connecting objects such as prefabricated foundations, shear walls, parapets, floors and the like. Two adjacent shear walls in the same plane are vertically adhered with horizontal adjacent wall connecting FRP sheets along the wall joint at two sides of the wall; two adjacent floor slabs are adhered with the joint FRP sheets of the adjacent slabs on the two sides of the slab along the longitudinal direction of the slab joint; the vertical connection between the lower side wall/side foundation and the upper side wall and the vertical connection between the lower side wall/side foundation and the floor are realized by a veneer supporting frame, a veneer connecting wall FRP sheet and a vertical adjacent wall connecting FRP sheet; the vertical connection between the lower inner wall/inner foundation and the upper inner wall and the vertical connection between the lower inner wall/inner foundation and the left/right floor slab of the wall are realized through a double-slab support frame, a double-slab wall FRP sheet and a vertical adjacent wall connecting FRP sheet. The invention can solve the problems of low efficiency, poor environmental benefit, unstable connection performance and the like in the working procedures of manufacturing, transporting, hoisting, connecting and the like in the prior art.
Description
Technical Field
The invention relates to an FRP sheet material connecting structure and method for a prefabricated linear shear wall-prefabricated floor system, and belongs to the building engineering technology.
Background
In recent years, with the increasing demands of people on living conditions and living environments, the construction industry has been rapidly developing. However, the development of the construction industry causes serious resource consumption and environmental pollution, and people are forced to seek new ways of the construction industry. Currently, building industrialization, which is characterized by prefabricated buildings, is one of the key ways for realizing low-carbon and sustainable development in the field of building industry.
In prefabricated buildings, the connection mode between the structural members has a crucial influence on the prefabrication and assembly construction efficiency and the mechanical service performance.
At present, a large number of prefabricated buildings adopt a shear wall structure, and the basic prefabricated assembly mode is as follows: the shear wall units and the superposed prefabricated floor slab units are prefabricated at the height of each floor, the shear wall units are connected horizontally through cast-in-place seams and edge members, the vertical steel bars are connected vertically through a sleeve grouting mode, and the superposed prefabricated floor slab units are connected through a mode of binding steel bars on site and casting superposed layers on site. Firstly, the prefabricated shear wall units and the floor slab units expose reinforcing steel bars on the periphery, and troubles are brought to manufacturing, stacking, transporting and hoisting; secondly, the vertical sleeves of the shear wall are difficult to grout, connect and align, and the grouting quality is not easy to guarantee; thirdly, a large amount of steel bars still need to be bound and concrete is poured on site for construction, so that the assembly efficiency is low and the environmental benefit is poor.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides an FRP sheet connecting structure and a FRP sheet connecting method for a prefabricated linear shear wall-prefabricated floor system, and solves the problems of low efficiency, poor environmental benefit, difficult guarantee of connecting performance and the like of the existing prefabricated assembly type shear wall structure in the working procedures of manufacturing, transporting, hoisting, connecting and the like.
The technical scheme is as follows: in order to achieve the purpose, the invention adopts the technical scheme that:
a FRP sheet material connecting structure of a prefabricated linear shear wall-prefabricated floor system comprises a prefabricated foundation, a shear wall, a parapet wall and a floor slab;
the foundation is a conventional strip foundation under the wall, and comprises an edge foundation and an inner foundation;
in the horizontal direction, the shear wall comprises side walls and inner walls, two adjacent side walls of the right-angle structure are transited through an L-shaped edge member, two adjacent side walls and one adjacent inner wall of the T-shaped structure are transited through a T-shaped edge member, and four adjacent inner walls of the cross-shaped structure are transited through a cross-shaped edge member; the side walls and the inner wall are rectangular plane walls, and the height of the side walls and the height of the inner wall are consistent with the height of the floor;
in the vertical direction, the side walls comprise a bottom side wall, a middle side wall and a top side wall, and the inner wall comprises a bottom inner wall, a middle inner wall and a top inner wall;
the parapet wall is L-shaped in vertical section, the transverse wall body below the parapet wall is an L-shaped short side, and the vertical wall body on the side face is an L-shaped long side;
the floor slabs are rectangular plane slabs and comprise bottom floor slabs, middle floor slabs and top floor slabs;
the top surface of the foundation/shear wall provided with the floor slab on one side surface is hooked with a single-plate supporting frame, the top surfaces of the foundation/shear wall provided with the floor slab on two side surfaces are hooked with a double-plate supporting frame, and the floor slab is placed on a supporting plane of the single-plate supporting frame and/or the double-plate supporting frame; the single-plate support frame and the double-plate support frame are both of a whole cold-bending steel plate structure and comprise a wall-attached transverse folding surface, a wall-attached vertical folding surface, a support plane and a support inclined plane, and the shear wall, the support plane and the support inclined plane form a triangular support mechanism together;
all foundations, the shear walls, the parapets and the floor slabs are connected in an end face butt joint mode through edge members or supporting frames or directly in an end face butt joint mode, joints are formed at end face butt joint positions, and high-strength mortar is filled in the joints; joints among the foundation, the shear wall and the parapet wall are called wall joints; joints between the floor slabs are called slab joints, and joints between the foundation/shear wall/parapet and the floor slabs are called wallboard joints; the foundation, the shear wall, the parapet wall, the floor slab and the edge component are all of structures without ribs around;
symmetrically sticking horizontal adjacent walls with length directions along the length direction of the wall joint on the inner side and the outer side of the vertical wall joint to connect FRP sheets, and symmetrically sticking adjacent plate joint-striding FRP sheets with length directions along the length direction of the plate joint on the upper side and the lower side of the plate joint;
along the length direction of the transverse wall joint, the top surfaces of the foundation/shear walls with the veneer supporting frames/the double-plate supporting frames hooked on the top surfaces are alternately provided with the veneer supporting frames/the double-plate supporting frames and the vertical adjacent wall connecting FRP sheet/parapet toe connecting FRP sheet; pasting a single-plate wall-connected FRP sheet/double-plate wall-connected FRP sheet on the outer surface of the wall transverse folding surface of the single-plate support frame/double-plate support frame and the upper surface of the corresponding side edge of the supported floor slab, covering a wallboard gap between the single-plate support frame and the single-side floor slab by the single-plate wall-connected FRP sheet, and covering two wallboard gaps between the double-plate support frame and the floor slabs at two sides by the double-plate wall-connected FRP sheet;
if the lower side of the transverse wall joint is a foundation or a shear wall and the upper side is a shear wall, the inside and the outside of the wall joint are symmetrically stuck with vertical adjacent walls with the length direction vertical to the length direction of the wall joint to connect the FRP sheet;
if horizontal wall seam downside is the basis or shear force wall, and the upside is the parapet, then the vertical adjacent wall that the length direction is perpendicular to wall seam length direction is pasted to wall seam inboard and is connected the FRP sheet, the wall seam outside corresponds each vertical adjacent wall and connects the FRP sheet and paste the parapet toe that a length direction is perpendicular to wall seam length direction and connect the FRP sheet, the horizontal wall body turning that the FRP sheet upwards extends to the parapet and continues to extend is connected to the parapet toe, covers the whole width of horizontal wall body upper surface.
Preferably, the fiber directions of the horizontal adjacent wall connecting FRP sheet, the adjacent plate joint-straddling FRP sheet, the vertical adjacent wall connecting FRP sheet, the parapet wall toe connecting FRP sheet, the single plate wall connecting FRP sheet and the double plate wall connecting FRP sheet are all perpendicular to the length direction of the covered joint.
Preferably, all creases of veneer support frame and double plate support frame are parallel, and the length of crease is 250 ~ 350mm, and the height of the perpendicular horizontal plane of the perpendicular folded surface of wall facing equals the thickness of floor slab, and the height of the perpendicular vertical plane of single support plane is 80 ~ 120mm, and the contained angle of support plane and support inclined plane is 20 ~ 40.
Preferably, except for the adjacent plate seam crossing FRP sheet material, if the FRP sheet material and the surface of the covered joint are on the same plane, the distance between the side of the FRP sheet material parallel to the joint and the joint is 250-350 mm; the distance between the edge of the adjacent plate seam crossing FRP sheet material parallel to the seam and the seam is 200-300 mm.
Preferably, each end face of the shear wall and each end face of the floor slab are provided with end face roughness marks according to a conventional method.
Preferably, the clear distance between the adjacent single plate support frames/double plate support frames on the same foundation or shear wall is 250-350 mm, the width of the vertical adjacent wall connecting FRP sheet/parapet toe connecting FRP sheet between the adjacent single plate support frames/double plate support frames is equal to the clear distance between the adjacent single plate support frames/double plate support frames, and the width of the single plate connecting FRP sheet/double plate connecting FRP sheet is equal to the length of the crease of the single plate support frame/double plate support frame.
A connection method of the FRP sheet material connection structure of the prefabricated linear shear wall-prefabricated floor system comprises the following steps:
(a) positioning all the foundation/next layer of shear walls and edge members, filling high-strength mortar in wall joints, and then pasting horizontal adjacent walls to connect FRP sheets to connect the wall bodies of the same layer;
(b) adhering vertical adjacent wall connecting FRP sheets or parapet toe connecting FRP sheets on the foundation/next layer of shear wall and the edge member, wherein the upper edge part of the shear wall and the edge member exceeding the foundation/next layer is temporarily not adhered;
(c) hooking the single-plate support frame or the double-plate support frame on the top surfaces of the foundation/next layer of shear wall and the edge member;
(d) laying the floor slab on the single-plate support frame or the double-plate support frame, and filling high-strength mortar in the formed wallboard joint;
(e) pasting a single-plate wall-connected FRP sheet or a double-plate wall-connected FRP sheet;
(f) laying a high-strength mortar cushion layer on the top surfaces of the foundation/next layer of shear wall and the edge member;
(g) the shear wall/parapet wall and the edge component on the upper layer are seated on the high-strength mortar cushion layer on the top surfaces of the shear wall/parapet wall and the edge component on the lower layer, high-strength mortar is filled in the wall joint, and then the horizontal adjacent wall connecting FRP sheet is pasted to connect the wall bodies on the same layer; (ii) a
(h) And adhering the upper half non-adhered part of the vertical adjacent wall connecting FRP sheet/parapet toe connecting FRP sheet to the upper layer of shear wall/parapet and the edge member.
FRP (Fiber Reinforced Polymer/Plastic, Fiber Reinforced composite) is a high-performance material formed by mixing Fiber materials and matrix materials (resin) according to a certain proportion; light weight, hardness, non-conductivity, high mechanical strength, less recovery and corrosion resistance.
Has the advantages that: compared with the prior art, the FRP sheet connecting structure and the FRP sheet connecting method for the prefabricated linear shear wall-prefabricated floor system have the following advantages: 1. the prefabricated shear wall (including the edge member) and the prefabricated floor slab are regular in shape, and reinforcing steel bars do not need to extend out of the periphery, so that the side forms of the prefabricated members are simplified, the template standardization is facilitated, the production efficiency of the prefabricated members is improved, and the stacking, transportation and hoisting operation of the prefabricated members are facilitated; 2. the prefabricated plate is directly prefabricated into a full-thickness component, and the thickness of the prefabricated plate is thinner than that of the prefabricated laminated plate which is generally adopted in the prior art, so that the material consumption is reduced, the self-weight load is reduced, and the earthquake action is reduced; 3. a single-plate support frame or a double-plate support frame is adopted, so that the plate is very convenient to place and place; 4. all prefabricated components of the main structure of the house are connected by sticking FRP sheets, so that the construction is very convenient, the excellent waterproof and anti-permeability effects at the joint can be ensured, and the problems of difficult sleeve grouting connection alignment and difficult grouting quality guarantee in the existing shear wall connection are solved; 5. the dry type connecting mode is realized more thoroughly, a large amount of steel bar binding and concrete pouring construction are not needed on site, the assembling efficiency is high, and the environmental benefit is good.
Drawings
FIG. 1 is a schematic plan view of a precast shear wall-floor system of the present invention;
FIG. 2 is a schematic view of the vertical arrangement of the precast shear wall-floor system of the present invention;
FIG. 3 is a schematic view of a connection structure of adjacent precast floor slabs according to the present invention;
FIGS. 4(a) and 4(b) are schematic views of the "bottom wall (side foundation) -top wall-floor" joint structure of the present invention from two perspectives;
FIGS. 5(a) and 5(b) are schematic views of the "top side wall-parapet-floor" joint structure of the present invention from two perspectives;
FIG. 6 is a schematic view of the connection structure of the "lower inner wall (inner foundation) -upper inner wall-left wall floor-right wall floor" node of the present invention;
fig. 7 is a schematic view of a joint connection structure of a top-layer inner wall-wall left floor-wall right floor according to the invention.
The figure includes: 1-1, edge foundation; 1-2, an internal foundation; 2-1, side walls; 2-2, inner wall; 2-1-1, bottom side wall; 2-1-2, middle layer side wall; 2-1-3, top side wall; 2-2-1, a bottom layer inner wall; 2-2-2, an intermediate layer inner wall; 2-2-3, top layer inner wall; 2-3, an L-shaped edge member; 2-4, a T-shaped edge member; 2-5, a cross-shaped edge member; 2-6, upper side wall; 2-7, lower side wall; 2-8, mounting an inner wall; 2-9, lower inner wall; 2-10, rough marks on the end face; 3. a parapet wall; 4-a floor slab; 4-1, a bottom floor slab; 4-2, a middle floor slab; 4-3, a top floor slab; 4-4, a left wall floor slab; 4-5, wall right floor; 4-6, sewing a left floor slab; 4-7, sewing a right floor slab; 5. wall seams; 6. connecting the FRP sheet material with the horizontal adjacent wall; 7. plate sewing; 8. the FRP sheet material is formed by the joint of adjacent plates; 9. a single plate support frame; 10. wall panel seams; 11. a veneer wall-connected FRP sheet; 12. the vertical adjacent wall is connected with the FRP sheet; 13. a double-plate support frame; 14. double-plate wall FRP sheet material; 15 parapet toe connecting FRP sheets.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
An FRP sheet material connecting structure of a prefabricated linear shear wall-prefabricated floor system comprises prefabricated foundations, shear walls, parapets 3, floor slabs 4 and other connected objects; the connection of the objects adopts an FRP sheet material connection structure.
The foundation is a conventional strip foundation under a wall and comprises an edge foundation 1-1 and an inner foundation 1-2.
In the horizontal direction, the shear wall comprises side walls 2-1 and inner walls 2-2, two adjacent side walls 2-1 of the right-angle structure are transited through an L-shaped edge component 2-3, two adjacent side walls 2-1 of the T-shaped structure and one inner wall 2-2 of the T-shaped structure are transited through a T-shaped edge component 2-4, and four adjacent side inner walls 2-2 of the cross-shaped structure are transited through cross-shaped edge components 2-5; the side wall 2-1 and the inner wall 2-2 are rectangular plane walls, and the height is consistent with the height of a floor. In the vertical direction, the side wall 2-1 comprises a bottom side wall 2-1-1, a middle layer side wall 2-1-2 and a top layer side wall 2-1-3, and the inner wall 2-2 comprises a bottom inner wall 2-2-1, a middle layer inner wall 2-2-2 and a top layer inner wall 2-2-3. Each end face of the shear wall is provided with end face roughness marks, no ribs are arranged on the periphery of the shear wall, and the height of the shear wall is equal to the height of a floor.
The horizontal section of the L-shaped edge component 2-3 is L-shaped, no ribs are arranged on the periphery, and the height is equal to the height of a floor; the horizontal section of the T-shaped edge component 2-4 is T-shaped, no ribs are arranged on the periphery, and the height is equal to the height of a floor; the horizontal section of the cross-shaped edge component 2-5 is cross-shaped, no ribs are arranged around the cross-shaped edge component, and the height of the cross-shaped edge component is equal to the height of a floor.
The vertical section of the parapet wall 3 is L-shaped, and no rib is formed on the periphery of the parapet wall; the horizontal wall body of below is L type minor face, and the vertical wall body of side is L type long limit.
The floor slab 4 is a rectangular plane slab and is divided into a bottom floor slab 4-1, a middle floor slab 4-2 and a top floor slab 4-3 in the vertical direction; in the horizontal direction, the wall is divided into a left wall floor 4-4, a right wall floor 4-5 (floors on two sides of the same wall), a left seam floor 4-6 and a right seam floor 4-7 (floors on two sides of the same slab seam 7); each end face of the floor slab 4 is provided with end face rough marks, and no ribs are arranged on the periphery.
A single-plate supporting frame 9 is hooked on the top surface of the foundation/shear wall with the floor 4 arranged on one side surface, a double-plate supporting frame 13 is hooked on the top surface of the foundation/shear wall with the floor 4 arranged on two side surfaces, and the floor 4 is placed on the supporting plane of the single-plate supporting frame 9 and/or the double-plate supporting frame 13; the single-plate supporting frame 9 and the double-plate supporting frame 13 are both of a whole cold-bending steel plate structure and comprise wall-attached transverse folding surfaces, wall-attached vertical folding surfaces, supporting planes and supporting inclined planes, and the shear wall, the supporting planes and the supporting inclined planes form a triangular supporting mechanism together.
All creases of veneer support frame 9 and double plate support frame 13 are parallel, and the length of design crease is 300mm, and the height of the perpendicular horizontal plane of the perpendicular folded surface of wall subsides equals the thickness of floor 4, and the height of the perpendicular vertical plane of single support plane is 100mm, and the contained angle of support plane and support inclined plane is 30. The clear distance between the single plate supporting frames 9/double plate supporting frames 13 on the same foundation or shear wall is 300mm, the width of the vertical adjacent wall connecting FRP sheet 12/parapet toe connecting FRP sheet 15 between the adjacent single plate supporting frames 9/double plate supporting frames 13 is equal to the clear distance between the adjacent single plate supporting frames 9/double plate supporting frames 13, and the width of the single plate connecting FRP sheet 11/double plate connecting wall FRP sheet 14 is equal to the crease length of the single plate supporting frames 9/double plate supporting frames 13.
All foundations, the shear walls, the parapet walls 3 and the floor slabs 4 are connected in an end face butt joint mode through edge members or supporting frames or directly in an end face butt joint mode, seams (the width of the seam is generally designed to be 20mm) are formed at the butt joint positions of the end faces, and high-strength mortar is filled in the seams; the joints among the foundation, the shear wall and the parapet wall 3 are called wall joints 5; the joint between the floor slab 4 and the floor slab 4 is called a slab joint 7, and the joint between the foundation/shear wall/parapet 3 and the floor slab 4 is called a wallboard joint 10; the foundation, the shear wall, the parapet wall 3, the floor slab 4 and the edge component are all of structures without ribs around.
Specifically, the method comprises the following steps: the vertical connection between the lower layer side wall 2-1/side foundation 1-1 and the upper layer side wall 2-1 and the vertical connection between the side walls and the floor slab 4 are realized by a plurality of single plate supporting frames 9, wall slab joints 10, a plurality of single plate wall-connected FRP sheets 11 and a plurality of vertical adjacent wall-connected FRP sheets 12; the vertical connection between the top side wall 2-1-3 and the parapet wall 3 and the vertical connection between the top side wall 2-1-3 and the floor slab 4 are realized by a plurality of veneer supporting frames 9, wallboard seams 10, a plurality of veneer wall-connecting FRP sheets 11, a plurality of vertical adjacent wall-connecting FRP sheets 12 and a plurality of parapet wall toe-connecting FRP sheets 15; the vertical connection between the lower layer inner wall 2-2/the inner foundation 1-2 and the upper layer inner wall 2-2 and the vertical connection between the lower layer inner wall 2-2/the inner foundation and the left wall floor 4-4 and the right wall floor 4-5 are realized by a plurality of double-plate supporting frames 13, wall plate seams 10, a plurality of double-plate wall-connected FRP sheets 14 and a plurality of vertical adjacent wall-connected FRP sheets 12; the vertical connection between the top layer inner wall 2-2-3 and the wall left floor 4-4 and the wall right floor 4-5 is realized through a plurality of double-plate supporting frames 13, wall plate seams 10 and a plurality of double-plate wall-connected FRP sheets 14.
Symmetrically sticking horizontal adjacent wall connecting FRP sheets 6 with the length direction along the length direction of the wall seam 5 on the inner side and the outer side of the vertical wall seam 5, wherein the width of the horizontal adjacent wall connecting FRP sheets 6 is designed to be 600 mm; the FRP sheets 8 of the adjacent plate and the joint seam along the length direction of the plate seam 7 are symmetrically adhered on the upper side and the lower side of the plate seam 7, and the width of the FRP sheets 8 of the adjacent plate and the joint seam is designed to be 500 mm.
Along the length direction of the transverse wall seam 5, the top surfaces of the foundation/shear walls with the veneer supporting frames 9/the double-plate supporting frames 13 hooked on the top surfaces are alternately provided with the veneer supporting frames 9/the double-plate supporting frames 13 and the vertical adjacent wall connecting FRP sheet 12/parapet toe connecting FRP sheet 15; a veneer wall-connecting FRP sheet 11/a double-veneer wall-connecting FRP sheet 14 are pasted on the outer surface of the wall transverse folding surface of the veneer support frame 9/the double-veneer support frame 13 and the upper surface of the corresponding side edge of the supported floor slab 4, the veneer wall-connecting FRP sheet 11 covers one wallboard gap 10 between the veneer support frame 9 and the single-side floor slab 4, and the double-veneer wall-connecting FRP sheet 14 covers two wallboard gaps 10 between the double-veneer support frame 13 and the two side floor slabs 4.
If the lower side of the transverse wall gap 5 is a foundation or a shear wall and the upper side is a shear wall, the vertical adjacent walls with the length directions perpendicular to the length direction of the wall gap 5 are symmetrically adhered to the inner side and the outer side of the wall gap 5 to connect the FRP sheet materials 12.
If the lower side of the transverse wall seam 5 is a foundation or a shear wall, and the upper side is a parapet wall 3, the vertical adjacent wall with the length direction vertical to the length direction of the wall seam 5 is pasted on the inner side of the wall seam 5 to connect the FRP sheet 12, the outer side of the wall seam 5 corresponds to each vertical adjacent wall to connect the FRP sheet 12 to paste a parapet toe with the length direction vertical to the length direction of the wall seam 5 to connect the FRP sheet 15, the parapet toe connection FRP sheet 15 upwards extends to the transverse wall corner of the parapet wall 3 and continues to extend, and the whole width of the upper surface of the transverse wall is covered.
Regarding the extending distance of the FRP sheet, a basic design principle of the present application is: except for the adjacent plate seam crossing FRP sheet material 8, if the FRP sheet material and the covered seam surface are on the same plane, the distance between the edge of the FRP sheet material parallel to the seam and the seam is 250-350 mm; the distance between the edge of the FRP sheet material 8 of the adjacent plate, which is parallel to the joint, and the joint is 200-300 mm.
A connection method of the FRP sheet material connection structure of the prefabricated linear shear wall-prefabricated floor system comprises the following steps:
(a) positioning all the foundation/next layer of shear walls and edge members, filling high-strength mortar in wall joints, and then pasting horizontal adjacent walls to connect FRP sheets to connect the wall bodies of the same layer;
(b) adhering vertical adjacent wall connecting FRP sheets or parapet toe connecting FRP sheets on the foundation/next layer of shear wall and the edge member, wherein the upper edge part of the shear wall and the edge member exceeding the foundation/next layer is temporarily not adhered;
(c) hooking the single-plate support frame or the double-plate support frame on the top surfaces of the foundation/next layer of shear wall and the edge member;
(d) laying the floor slab on the single-plate support frame or the double-plate support frame, and filling high-strength mortar in the formed wallboard joint;
(e) pasting a single-plate wall-connected FRP sheet or a double-plate wall-connected FRP sheet;
(f) laying a high-strength mortar cushion layer on the top surfaces of the foundation/next layer of shear wall and the edge member;
(g) the shear wall/parapet wall and the edge component on the upper layer are seated on the high-strength mortar cushion layer on the top surfaces of the shear wall/parapet wall and the edge component on the lower layer, high-strength mortar is filled in the wall joint, and then the horizontal adjacent wall connecting FRP sheet is pasted to connect the wall bodies on the same layer; (ii) a
(h) And adhering the upper half non-adhered part of the vertical adjacent wall connecting FRP sheet/parapet toe connecting FRP sheet to the upper layer of shear wall/parapet and the edge member.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that numerous modifications and finishes can be made without departing from the principles of the invention, including the application of this technology to the joining of shear wall joints, and such modifications and finishes are to be considered within the scope of the invention.
Claims (7)
1. The utility model provides a FRP sheet connection structure of prefabricated in-line shear force wall-prefabricated floor system which characterized in that: the system comprises a prefabricated foundation, a shear wall, a parapet wall (3) and a floor slab (4);
the foundation is a strip foundation under the wall and comprises an edge foundation (1-1) and an inner foundation (1-2);
in the horizontal direction, the shear wall comprises side walls (2-1) and inner walls (2-2), two adjacent side walls (2-1) of a right-angle structure are transited through an L-shaped edge component (2-3), two adjacent side walls (2-1) and one adjacent inner wall (2-2) of a T-shaped structure are transited through a T-shaped edge component (2-4), and four adjacent inner walls (2-2) of a cross-shaped structure are transited through cross-shaped edge components (2-5); the side wall (2-1) and the inner wall (2-2) are rectangular plane walls, and the height of the plane walls is consistent with that of the floor;
in the vertical direction, the side wall (2-1) comprises a bottom side wall (2-1-1), a middle layer side wall (2-1-2) and a top layer side wall (2-1-3), and the inner wall (2-2) comprises a bottom inner wall (2-2-1), a middle layer inner wall (2-2-2) and a top layer inner wall (2-2-3);
the vertical section of the parapet wall (3) is L-shaped, the transverse wall body below the parapet wall is an L-shaped short side, and the vertical wall body on the side surface is an L-shaped long side;
the floor (4) is a rectangular plane plate and comprises a bottom floor (4-1), a middle floor (4-2) and a top floor (4-3);
a single-plate supporting frame (9) is hooked on the top surface of the foundation/shear wall with the floor (4) arranged on one side surface, a double-plate supporting frame (13) is hooked on the top surface of the foundation/shear wall with the floor (4) arranged on the two side surfaces, and the floor (4) is placed on the supporting plane of the single-plate supporting frame (9) and/or the double-plate supporting frame (13); the single-plate supporting frame (9) and the double-plate supporting frame (13) are both of a whole cold-bending steel plate structure and comprise a wall-attached transverse folding surface, a wall-attached vertical folding surface, a supporting plane and a supporting inclined plane, and the shear wall, the supporting plane and the supporting inclined plane form a triangular supporting mechanism together;
all foundations, the shear walls, the parapet walls (3) and the floor slabs (4) are connected in an end face butt joint mode through edge components, single plate support frames (9) or double plate support frames (13) or directly in the end face butt joint mode, joints are formed at the butt joint positions of the end faces, and high-strength mortar is filled in the joints; joints among the foundation, the shear wall and the parapet wall (3) are called wall joints (5); joints between the floor slabs (4) are called slab joints (7), and joints between the foundation, the shear wall, the parapet wall (3) and the floor slabs (4) are called wall slab joints (10); the foundation, the shear wall, the parapet wall (3), the floor (4) and the edge component are all of structures without ribs around;
the inside and outside sides of the vertical wall seam (5) are symmetrically pasted with horizontal adjacent wall connecting FRP sheets (6) with length directions along the length direction of the wall seam (5), and the upper and lower sides of the slab seam (7) are symmetrically pasted with adjacent slab joint-crossing FRP sheets (8) with length directions along the length direction of the slab seam (7);
along the length direction of the transverse wall seam (5), the top surfaces of the foundation/shear walls with the veneer supporting frames (9)/the double-plate supporting frames (13) hooked on the top surfaces are alternately provided with the veneer supporting frames (9)/the double-plate supporting frames (13) and the vertical adjacent wall connecting FRP sheet (12)/parapet toe connecting FRP sheet (15); pasting a veneer wall-connected FRP sheet (11)/a double-plate wall-connected FRP sheet (14) on the outer surface of the veneer support frame (9)/the double-plate support frame (13) close to the wall transverse folding surface and the upper surface of the corresponding side edge of the supported floor slab (4), wherein the veneer wall-connected FRP sheet (11) covers one wallboard gap (10) between the veneer support frame (9) and the single-side floor slab (4), and the double-plate wall-connected FRP sheet (14) covers two wallboard gaps (10) between the double-plate support frame (13) and the floor slabs (4) at two sides;
if the lower side of the transverse wall joint (5) is a foundation or a shear wall and the upper side is a shear wall, the inner side and the outer side of the wall joint (5) are symmetrically stuck with vertical adjacent walls with the length direction vertical to the length direction of the wall joint (5) to connect FRP sheets (12);
if horizontal wall seam (5) downside is basis or shear force wall, the upside is parapet (3), then vertical adjacent wall connection FRP sheet (12) of the perpendicular wall seam of length direction (5) length direction is pasted to wall seam (5) inboard, the FRP sheet (15) is connected to the parapet toe that a vertical wall seam of length direction (5) length direction was pasted to wall seam (5) outside correspondence each vertical adjacent wall connection FRP sheet (12), the FRP sheet (15) is connected to the parapet toe, upwards extend to the horizontal wall body corner of parapet (3) and continue to extend, cover the whole width of horizontal wall body upper surface.
2. The FRP sheet connection structure of a prefabricated in-line shear wall-prefabricated floor system according to claim 1, wherein: the fiber directions of the horizontal adjacent wall connecting FRP sheet (6), the adjacent plate joint-riding FRP sheet (8), the vertical adjacent wall connecting FRP sheet (12), the parapet toe connecting FRP sheet (15), the veneer wall connecting FRP sheet (11) and the double plate wall connecting FRP sheet (14) are all perpendicular to the length direction of the covered joint.
3. The FRP sheet connection structure of a prefabricated in-line shear wall-prefabricated floor system according to claim 1, wherein: all creases of veneer support frame (9) and double plate support frame (13) are parallel, and the length of crease is 250 ~ 350mm, and the height of the perpendicular horizontal plane of the perpendicular folded surface of wall subsides equals the thickness of floor (4), and the height of the perpendicular vertical face of single holding surface is 80 ~ 120mm, and the contained angle of holding surface and support inclined plane is 20 ~ 40.
4. The FRP sheet connection structure of a prefabricated in-line shear wall-prefabricated floor system according to claim 1, wherein: except for the adjacent plate seam crossing FRP sheet (8), if the FRP sheet and the covered seam surface are on the same plane, the distance between the edge of the FRP sheet parallel to the seam and the seam is 250-350 mm; the distance between the edge of the FRP sheet (8) of the adjacent plate, which is parallel to the joint, and the joint is 200-300 mm.
5. The FRP sheet connection structure of a prefabricated in-line shear wall-prefabricated floor system according to claim 1, wherein: and end surface roughness marks are arranged on each end surface of the shear wall and the floor slab (4).
6. The FRP sheet connection structure of a prefabricated in-line shear wall-prefabricated floor system according to claim 1, wherein: the single-plate supporting frames (9)/double-plate supporting frames (13) on the same foundation or shear wall are characterized in that the clear distance between every two adjacent single-plate supporting frames (9)/double-plate supporting frames (13) is 250-350 mm, the width of the FRP sheet (12)/parapet toe connecting FRP sheet (15) between every two adjacent single-plate supporting frames (9)/double-plate supporting frames (13) is equal to the clear distance between every two adjacent single-plate supporting frames (9)/double-plate supporting frames (13), and the width of the single-plate wall connecting FRP sheet (11)/double-plate wall connecting FRP sheet (14) is equal to the length of the crease of the single-plate supporting frames (9)/double-plate supporting frames (13).
7. A method for connecting an FRP sheet connecting structure of a prefabricated in-line shear wall-prefabricated floor system according to claim 1, wherein: the method comprises the following steps:
(a) positioning all the foundation/next layer of shear walls and edge members, filling high-strength mortar in wall joints, and then pasting horizontal adjacent walls to connect FRP sheets to connect the wall bodies of the same layer;
(b) adhering vertical adjacent wall connecting FRP sheets or parapet toe connecting FRP sheets on the foundation/next layer of shear wall and the edge member, wherein the upper edge part of the shear wall and the edge member exceeding the foundation/next layer is temporarily not adhered;
(c) hooking the single-plate support frame or the double-plate support frame on the top surfaces of the foundation/next layer of shear wall and the edge member;
(d) laying the floor slab on the single-plate support frame or the double-plate support frame, and filling high-strength mortar in the formed wallboard joint;
(e) pasting a single-plate wall-connected FRP sheet or a double-plate wall-connected FRP sheet;
(f) laying a high-strength mortar cushion layer on the top surfaces of the foundation/next layer of shear wall and the edge member;
(g) the shear wall/parapet wall and the edge component on the upper layer are seated on the high-strength mortar cushion layer on the top surfaces of the shear wall/parapet wall and the edge component on the lower layer, high-strength mortar is filled in the wall joint, and then the horizontal adjacent wall connecting FRP sheet is pasted to connect the wall bodies on the same layer;
(h) and adhering the upper half non-adhered part of the vertical adjacent wall connecting FRP sheet/parapet toe connecting FRP sheet to the upper layer of shear wall/parapet and the edge member.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010003802.3A CN111139933B (en) | 2020-01-03 | 2020-01-03 | FRP sheet material connecting structure and method for prefabricated linear shear wall-prefabricated floor system |
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| CN202010003802.3A CN111139933B (en) | 2020-01-03 | 2020-01-03 | FRP sheet material connecting structure and method for prefabricated linear shear wall-prefabricated floor system |
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| CN103669559B (en) * | 2012-09-01 | 2016-06-15 | 初明进 | Assembled integral shear wall building structure and construction method |
| CN208329198U (en) * | 2018-03-23 | 2019-01-04 | 青岛腾远设计事务所有限公司 | A kind of dry connecting device for fabricated shear wall |
| CN109898714A (en) * | 2019-04-02 | 2019-06-18 | 上海应用技术大学 | The close spelling connection structure of fibre sheet material concrete bidirectional laminated slab and implementation method |
| CN110273466B (en) * | 2019-07-17 | 2020-11-10 | 金点石(北京)建筑设计咨询服务有限责任公司 | Fabricated shear wall and construction method thereof |
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