阅读说明：本技术 一种带工字钢的预制剪力墙水平接缝连接结构 (Take precast shear wall horizontal joint connection structure of I-steel ) 是由 孟咸明 刘援 赵剑 王琳 于 2020-06-11 设计创作，主要内容包括：本发明公开了预制剪力墙技术领域的一种带工字钢的预制剪力墙水平接缝连接结构,包括上剪力墙和下剪力墙,所述工字钢包括与上剪力墙和下剪力墙连接的横向钢板,两组所述横向钢板相对一侧外壁的中部设有竖向钢板,所述插槽内活动插接有插板,上下同侧的两组所述插板远离竖向钢板的一侧固定安装有侧板,两组所述侧板相对一侧外壁的前后两端均设有端板,施工时,支撑板可通过焊接等方式连接在工字钢上,将侧板和端板插入插槽内腔,然后将钢筋与安装孔对齐插入,将侧板和端板固定在工字钢外壁,最后旋入旋紧螺帽,将上剪力墙和下剪力墙连接在工字钢上,大大简化了施工工序,降低了施工难度,提高了施工效率低,降低了施工成本。(The invention discloses a horizontal seam connecting structure of a precast shear wall with I-shaped steel in the technical field of precast shear walls, which comprises an upper shear wall and a lower shear wall, wherein the I-shaped steel comprises transverse steel plates connected with the upper shear wall and the lower shear wall, the middle part of the outer wall of one side opposite to two groups of transverse steel plates is provided with a vertical steel plate, an inserting plate is movably inserted in the inserting groove, one side of the two groups of inserting plates on the upper side and the lower side away from the vertical steel plate is fixedly provided with a side plate, the front end and the rear end of the outer wall of one side opposite to two groups of side plates are respectively provided with an end plate, a supporting plate can be connected on the I-shaped steel in a welding mode and the like during construction, the side plate and the end plate are inserted into the inner cavity of the inserting groove, then reinforcing steel bars are inserted in alignment with mounting holes, the side, the construction difficulty is reduced, the construction efficiency is improved, and the construction cost is reduced.)

1. The utility model provides a take precast shear wall horizontal joint connection structure of I-steel, includes shear force wall (1) and lower shear force wall (2), last shear force wall (1) and down all be equipped with reinforcing bar (4) in shear force wall (2), go up and install I-steel (3) between shear force wall (1) and lower shear force wall (2), two sets of reinforcing bar (4) relative one end of upper and lower homonymy are fixed with I-steel (3) edge of a wing, its characterized in that: i-steel (3) include with last shear force wall (1) and the horizontal steel sheet (31) of shear force wall (2) connection down, two sets of the middle part of the relative one side outer wall of horizontal steel sheet (31) is equipped with vertical steel sheet (32), slot (34) that link up around horizontal steel sheet (31) left and right sides outer wall all is equipped with, slot (34) internalization is pegged graft and is had picture peg (7), two sets of from top to bottom homonymy one side fixed mounting that vertical steel sheet (32) was kept away from in picture peg (7) has curb plate (9), two sets of both ends all are equipped with end plate (10) around the relative one side outer wall of curb plate (9), two sets of the left and right sides of the relative one side outer wall of end plate (10) all is equipped with inserted block (11), inserted block (11) activity is pegged graft in slot (34) inner chamber, picture peg (7) are located two sets of homonymy around, and two sets of homonymy, horizontal steel sheet (31) top outer wall is equipped with mounting hole (35) with reinforcing bar (4) matched with, inserted block (11) and picture peg (7) top outer wall all are equipped with screw hole (12) with reinforcing bar (4) matched with, reinforcing bar (4) outer wall thread bush is equipped with screw nut (6), and is two sets of upper and lower homonymy screw nut (6) back of the body one side and the laminating of two sets of horizontal steel sheet (31) relative one side outer wall.

2. The horizontal joint connecting structure for the precast shear wall with the I-steel according to claim 1, characterized in that: two sets of curb plate (9) and two sets of end plate (10) form the framework of cramping, go up shear force wall (1) and lower shear force wall (2) hoop outer wall relative one side be equipped with cramp framework matched with recess (8), the framework outer wall cover of cramping is equipped with protective layer (13).

3. The horizontal joint connecting structure for the precast shear wall with the I-steel according to claim 2, characterized in that: protective layer (13) are including bonding in basal layer (131) of cramping the framework outer wall through glue, heat preservation (132), waterproof layer (133), fire-retardant layer (134), dampproofing anticorrosive coating (135) are installed by supreme down in proper order to basal layer (131) top outer wall.

4. The horizontal joint connecting structure for the precast shear wall with the I-steel according to claim 3, characterized in that: the junction of stratum basale (131) and the framework of cramping is equipped with dampproofing anticorrosive coating two (137), dampproofing anticorrosive coating one (135) and dampproofing anticorrosive coating two (137) one side outer wall that carry on the back mutually are equipped with enhancement layer (136), enhancement layer (136) are woven by the iron wire and are formed.

5. The horizontal joint connecting structure for the precast shear wall with the I-steel according to claim 1, characterized in that: backup pad (33) are installed to equidistance around vertical steel sheet (32) left and right sides outer wall is equal, two sets of backup pad (33) inboards of homonymy around mounting hole (35) are located.

6. The horizontal joint connecting structure for the precast shear wall with the I-steel according to claim 2, characterized in that: the outer wall of the protective layer (13) is wrapped by a concrete pouring layer (14), and the outer edge of the concrete pouring layer (14) is flush with the outer edges of the upper shear wall (1) and the lower shear wall (2).

Technical Field

The invention relates to the technical field of prefabricated shear walls, in particular to a horizontal joint connecting structure of a prefabricated shear wall with I-shaped steel.

Background

The construction mode of the shear wall generally comprises a cast-in-place mode and an assembly mode, wherein the cast-in-place mode is a traditional construction mode and needs mould fixing, namely a template is assembled on site, and then concrete is poured; the assembly is a main structural form for realizing modern industrialization of buildings, and mainly comprises the steps of prefabricating prefabricated shear walls in a factory and reserving corresponding connecting devices, and reliably connecting an upper prefabricated shear wall and a lower prefabricated shear wall in place through the connecting devices on a construction site.

Disclosure of Invention

The invention aims to provide a horizontal joint connecting structure of a prefabricated shear wall with I-shaped steel, and aims to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a take precast shear wall horizontal joint connection structure of I-steel, includes shear force wall and lower shear force wall, last shear force wall and lower shear force wall in all be equipped with the reinforcing bar, go up the shear force wall and install the I-steel down between the shear force wall, the relative one end of two sets of reinforcing bars of upper and lower homonymy is fixed with the I-steel edge of a wing, the I-steel includes the horizontal steel sheet of being connected with last shear force wall and lower shear force wall, and is two sets of the middle part of the relative one side outer wall of horizontal steel sheet is equipped with vertical steel sheet, the horizontal steel sheet left and right sides outer wall all is equipped with the slot that link up from beginning to end, the slot internalization is pegged graft there is the picture peg, two sets of the homonymy about the picture peg keep away from one side fixed mounting of vertical steel sheet has the curb plate, two sets of both ends all are, the picture peg is located two sets of inserted blocks of homonymy around, and is two sets of from top to bottom homonymy the relative one end of reinforcing bar hoop outer wall is equipped with the external screw thread, horizontal steel sheet top outer wall be equipped with reinforcing bar matched with mounting hole, inserted block and picture peg top outer wall all are equipped with reinforcing bar matched with screw hole, reinforcing bar outer wall thread bush is equipped with the nut of screwing, and is two sets of from top to bottom homonymy the nut of screwing is carried on the back one side mutually and is laminated with the relative one side.

Furthermore, two sets of curb plate and two sets of end plates form the framework of cramping, go up the shear wall and be equipped with the framework matched with recess of cramping with lower shear wall ring outside one side relative, the framework of cramping outer wall cover is equipped with the protective layer.

Further, the protective layer includes bonds at the stratum basale of cramping the framework outer wall through glue, stratum basale top outer wall is installed heat preservation, waterproof layer, fire-retardant layer, dampproofing anticorrosive coating one by supreme down in proper order.

Further, the junction of stratum basale and the framework of cramping is equipped with dampproofing anticorrosive coating two, dampproofing anticorrosive coating one and dampproofing anticorrosive coating two back of the body one side outer wall are equipped with the enhancement layer, the enhancement layer is woven by the iron wire and is formed.

Further, the backup pad is installed to equidistance around the vertical steel sheet left and right sides outer wall is equal, two sets of backup pads inboards of homonymy around the mounting hole is located.

Further, protective layer outer wall parcel has the concrete placement layer, the outward flange on concrete placement layer and last shear force wall and the outward flange parallel and level of shear force wall down.

Compared with the prior art, the invention has the beneficial effects that:

1. the supporting plate can be connected to the I-shaped steel in a welding mode and the like, the side plate and the end plate are inserted into the inner cavity of the slot, then the reinforcing steel bar is inserted into the mounting hole in an aligning mode, the side plate and the end plate are fixed on the outer wall of the I-shaped steel, and finally the nut is screwed in and screwed down to connect the upper shear wall and the lower shear wall to the I-shaped steel, so that the construction process is greatly simplified, the construction difficulty is reduced, the construction efficiency is improved, and the construction cost is;

2. two sets of curb plates and two sets of end plates form the framework of cramping, seal the department of going up shear force wall and lower shear force wall junction, improve the waterproof performance of junction, the outer wall cover of the framework of cramping is equipped with the protective layer, can protect the framework of cramping, improves the heat preservation, waterproof and the fire behaviour of going up shear force wall and lower shear force wall junction.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of an I-beam of the present invention;

FIG. 3 is a schematic view of the side plate and end plate connection of the present invention;

FIG. 4 is a schematic view of the connection between the side plate and the insert plate according to the present invention;

FIG. 5 is a schematic view of a passivation layer structure according to the present invention.

In the figure: 1. an upper shear wall; 2. a lower shear wall; 3. i-shaped steel; 31. a transverse steel plate; 32. a vertical steel plate; 33. a support plate; 34. a slot; 35. mounting holes; 4. reinforcing steel bars; 5. an external thread; 6. screwing the nut; 7. inserting plates; 8. a groove; 9. a side plate; 10. an end plate; 11. inserting a block; 12. a threaded hole; 13. a protective layer; 131. a base layer; 132. a heat-insulating layer; 133. a waterproof layer; 134. a flame retardant layer; 135. a moisture-proof anticorrosive layer I; 136. a reinforcing layer; 137. a second moisture-proof and corrosion-resistant layer; 14. and (6) pouring a concrete layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.

The invention provides a technical scheme that: a horizontal joint connecting structure of a prefabricated shear wall with I-shaped steel is disclosed, please refer to fig. 1-4, comprising an upper shear wall 1 and a lower shear wall 2, wherein the upper shear wall 1 and the lower shear wall 2 are both provided with steel bars 4, I-shaped steel 3 is arranged between the upper shear wall 1 and the lower shear wall 2, opposite ends of two groups of steel bars 4 on the same upper side and the lower side are fixed with flanges of the I-shaped steel 3, the I-shaped steel 3 comprises transverse steel plates 31 connected with the upper shear wall 1 and the lower shear wall 2, the middle parts of outer walls on opposite sides of the two groups of transverse steel plates 31 are provided with vertical steel plates 32, the outer walls on the left side and the right side of the transverse steel plates 31 are both provided with slots 34 which are penetrated in the front and back, inserting plates 7 are movably inserted in the slots 34, a side plate 9 and an end plate 10 are inserted into the inner cavity of the slots 34, then, the connection of the upper shear wall 1 and the lower shear wall 2 can be completed, the construction process is greatly simplified, the construction difficulty is reduced, the construction efficiency is low, the construction cost is reduced, the external thread 5 and the screwing nut 6 are easy to process, the practicability is strong, one side of the two groups of insertion plates 7 on the same upper side and lower side, which is far away from the vertical steel plate 32, is fixedly provided with a side plate 9, the front end and the rear end of the outer wall on the opposite side of the two groups of side plates 9 are respectively provided with an end plate 10, the left side and the right side of the outer wall on the opposite side of the two groups of end plates 10 are respectively provided with an insertion block 11, the insertion blocks 11 are movably inserted in the inner cavities of the insertion grooves 34, the insertion plates 7 are positioned at the inner sides of the two groups of insertion blocks 11 on the same front side and rear side, the two groups of steel bars, the outer wall of the steel bar 4 is sleeved with screwing nuts 6 in a threaded manner, the opposite side of the two screwing nuts 6 on the same upper and lower sides is attached to the outer wall of the opposite side of the two transverse steel plates 31, and the side plates 9 and the end plates 10 are fixedly attached to the joints of the upper shear wall 1, the lower shear wall 2 and the I-shaped steel 3, so that the sealing performance of the joints can be improved;

referring to fig. 1, two sets of side plates 9 and two sets of end plates 10 form a hooping frame, a groove 8 matched with the hooping frame is arranged on one side of the upper shear wall 1 and the lower shear wall 2, which is opposite to the outer wall, so that the joint of the upper shear wall 1 and the lower shear wall 2 is sealed, the waterproof performance of the joint is improved, and a protective layer 13 is sleeved on the outer wall of the hooping frame and can protect the hooping frame;

referring to fig. 5, the protective layer 13 includes a base layer 131 adhered to the outer wall of the hooping frame body by glue, the outer wall of the top of the base layer 131 is sequentially provided with a heat insulating layer 132, a waterproof layer 133, a flame retardant layer 134, and a first moisture-proof and corrosion-resistant layer 135 from bottom to top, so that the heat insulating, waterproof and flame retardant properties of the joint of the upper shear wall 1 and the lower shear wall 2 are improved, the corrosion resistance of the joint of the upper shear wall 1 and the lower shear wall 2 can be improved by the arrangement of the first moisture-proof and corrosion-resistant layer 135;

referring to fig. 5, a second moisture-proof and corrosion-resistant layer 137 is disposed at the joint between the base layer 131 and the tightening frame body, so as to improve corrosion resistance of the joint between the upper shear wall 1 and the lower shear wall 2 and prolong service life of the joint, a reinforcing layer 136 is disposed on the outer wall of the first moisture-proof and corrosion-resistant layer 135 opposite to the second moisture-proof and corrosion-resistant layer 137, the reinforcing layer 136 is woven by iron wires, and when concrete is poured, the reinforcing layer can play a skeleton-like supporting role;

referring to fig. 2, the supporting plates 33 are equidistantly installed in the front and back of the outer walls of the left side and the right side of the vertical steel plate 32, and the mounting holes 35 are located in the inner sides of the two groups of supporting plates 33 on the same side in the front and back, so that the strength of the i-steel 3 is further enhanced, and the connection reliability of the upper shear wall 1 and the lower shear wall 2 is further improved;

referring to fig. 1, the outer wall of the protective layer 13 is wrapped by a concrete pouring layer 14, and the outer edge of the concrete pouring layer 14 is flush with the outer edges of the upper shear wall 1 and the lower shear wall 2, so that the joint of the upper shear wall 1 and the lower shear wall 2 has no gap, and the upper shear wall 1 and the lower shear wall 2 are connected to form a complete whole;