CN113585534B

CN113585534B - Assembled shear force wall

Info

Publication number: CN113585534B
Application number: CN202110933863.4A
Authority: CN
Inventors: 张钰; 梁华男; 建磊; 陈明晖; 魏俊华; 苏戈辉; 王梦瑜
Original assignee: Luohe Vocational Technology College
Current assignee: Luohe Vocational Technology College
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-07-22
Anticipated expiration: 2041-08-16
Also published as: CN115059212A; CN113585534A

Abstract

The invention discloses an assembled shear wall, which comprises a lower wall body and an upper wall body; the lower wall body comprises a first steel frame, a plurality of pouring positioning frames are fixed at the bottom of the first steel frame, a plurality of inserting holes are formed in the top of the first steel frame, external threaded columns are fixed in the inserting holes, a bottom plate is sleeved at the bottoms of the external threaded columns, a protruding portion is arranged on the outer edge of the bottom plate, a first concrete wall body is prefabricated on the first steel frame, orifices of the pouring positioning frames and the inserting holes are located on the outer side of the first concrete wall body, and through pouring holes are formed in the first concrete wall body and the inserting holes; the upper portion wall body includes the second steelframe, is fixed with the sleeve of pegging graft complex with the spliced eye through the locating rack in the second steelframe, and telescopic both ends are located the outside of second steelframe, and it has the internal thread cover with external screw thread post looks adaptation to peg graft in the sleeve. The invention can improve the defects of the prior art and improve the overall strength of the assembled shear wall.

Description

Assembled shear force wall

Technical Field

The invention relates to a building structure, in particular to an assembled shear wall.

Background

Shear walls are walls of buildings that are primarily subjected to transverse and longitudinal loads and are typically constructed of reinforced concrete materials. In order to reduce the amount of wet work on a construction site, fabricated shear walls are now widely used. The existing fabricated shear wall is easily interfered by the outside when being assembled and cast on site, so that the problems of assembly deviation, poor strength of a connecting part and the like are caused.

Disclosure of Invention

The technical problem to be solved by the invention is to provide the fabricated shear wall, which can overcome the defects of the prior art and improve the overall strength of the fabricated shear wall.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows.

An assembled shear wall comprises a lower wall body and an upper wall body; the lower wall comprises a first steel frame, a plurality of pouring positioning frames are fixed at the bottom of the first steel frame, a plurality of V-shaped reinforcing plates are longitudinally arranged in the pouring positioning frames, a plurality of first steel bars are transversely bound on the first steel frame, a plurality of second steel bars are longitudinally bound on the first steel frame, the lap joints of the first steel bars and the second steel bars are fixed by buckles, a plurality of inserting holes are formed in the top of the first steel frame, external threaded columns are fixed in the inserting holes, bottom plates are sleeved at the bottoms of the external threaded columns, the outer edges of the bottom plates are provided with protrusions, a first concrete wall is prefabricated on the first steel frame, orifices of the pouring positioning frames and the inserting holes are located on the outer side of the first concrete wall, and the first concrete wall and the inserting holes are provided with through pouring holes; the upper portion wall body includes the second steelframe, be fixed with through the locating rack in the second steelframe with the spliced eye complex sleeve of pegging graft, telescopic both ends are located the outside of second steelframe, it has the internal thread cover with external screw thread post looks adaptation to peg graft in the sleeve, the elastic metal piece has been cup jointed in the internal thread cover outside, the elastic metal piece bottom is fixed with sealed the pad, after internal thread cover and external screw thread post threaded connection, sealed pad and the sealed crimping of bellying, prefabricated second concrete wall body on the second steelframe, the outside of second concrete wall body bottom is provided with cup joints the complex extension with first concrete wall body.

Preferably, the buckle comprises a four-way cavity, a transverse arc-shaped groove and a vertical arc-shaped groove are fixed on the inner wall of the four-way cavity, the first steel bar is located in the transverse arc-shaped groove, the second steel bar is located in the vertical arc-shaped groove, a first through hole penetrating through the four-way cavity, the transverse arc-shaped groove and the vertical arc-shaped groove is formed in the center of the four-way cavity, the first steel bar and the second steel bar are welded and fixed with the opening of the four-way cavity, and the first steel bar and the second steel bar are welded and fixed at the lap joint of the center of the four-way cavity.

Preferably, the inner surfaces of the transverse arc-shaped groove and the vertical arc-shaped groove are respectively provided with a plurality of convex ribs.

Preferably, the upper portion of the inner wall of the sleeve is provided with a plurality of longitudinal first grooves, the positioning pins are inserted in the first grooves after the internal thread sleeve is in threaded connection with the external thread column, the positioning pins are in interference fit between the first grooves and the internal thread sleeve, and then the tops of the sleeve and the internal thread sleeve are welded and fixed.

Preferably, the outer side of the protruding portion is provided with an inclined surface portion, the sealing gasket is in sealing pressure connection with the inclined surface portion, the bottom surface of the elastic metal sheet is fixed with a limiting block, and the limiting block is in pressure connection with the top of the protruding portion.

Preferably, reinforcing ribs are arranged on two sides of the top of the first steel frame.

Preferably, a second groove is formed in the inner side of the extension portion, and a wire mesh is arranged in the second groove.

The beneficial effect that adopts above-mentioned technical scheme to bring lies in: the lower wall body is reinforced in a mode of crossed lap joint of the steel bars, and the steel bars are fixed by specially designed buckles. Carry out vertical centre gripping through horizontal arc wall in the buckle to first reinforcing bar and fix, vertical arc wall carries out horizontal centre gripping to the second reinforcing bar and fixes to improve the relative stability of alternately lapping reinforcing bar, the protruding stupefied friction that is used for improving reinforcing bar and arc wall of horizontal arc wall and vertical arc wall internal surface. Then, multi-point welding fixing is carried out at the first through hole and the opening, so that the stress of the crossed and overlapped steel bars is uniform. First through-hole not only is used for providing operating space for the welding, and when pouring first concrete wall body moreover, the buckle can be flowed into from first through-hole to the concrete, forms more firm connector with the inside overlap joint reinforcing bar of buckle.

The upper wall body and the lower wall body are fixedly connected in a screwing and pouring mode, so that the connection alignment precision can be ensured, and the strength of a connection part is ensured. Because set up in the upper portion wall body and be used for holding the sleeve of connecing the device soon to having left out the fixed reinforcement mode of reinforcing bar overlap joint, directly utilizing sleeve and locating rack to realize the inside reinforcement of upper portion wall body, having reduced the construction degree of difficulty. The "connect soon" position of two walls body adopts "grafting spacing, connect soon fixed" structure, forms multiple fixed, the counterpoint operation of the site operation of not only being convenient for, moreover through the grafting of sleeve and spliced eye, welding, the internal thread cover and the external screw thread post threaded connection of sleeve and internal thread cover, guaranteed hookup location's steadiness. After the connection is finished, concrete is poured through the pouring hole, the concrete continuously flows outwards after the splicing holes are filled with the concrete, and the concrete is filled between the extension part and the first concrete wall body, so that the inner side and the outer side of the connection part of the upper wall body and the lower wall body are reinforced through the concrete. The concrete produces the extrusion force to elastic metal piece, further improves the firm in connection degree of internal thread cover and external screw thread post. The inclined plane part is arranged on the outer side of the protruding part, so that stress distribution and stress angles of the elastic metal sheet and the protruding part can be optimized. The strengthening rib is used for strengthening the support intensity of first steelframe. The wire netting of extension inboard combines the solidification with the concrete, can effectively improve the joint strength after the concrete solidification of upper and lower wall body junction.

Drawings

FIG. 1 is a block diagram of one embodiment of the present invention.

Fig. 2 is a structural diagram of a connection part of a pouring positioning frame and a wall base in an embodiment of the invention.

Fig. 3 is a structural diagram of a first steel frame in an embodiment of the present invention.

Fig. 4 is a structural diagram of the second steel frame in an embodiment of the present invention.

Fig. 5 is a structural view of the inside of the insertion hole in one embodiment of the present invention.

Fig. 6 is a block diagram of a buckle in an embodiment of the present invention.

FIG. 7 is an enlarged view of a portion of the interior of the sleeve in accordance with one embodiment of the present invention.

Detailed Description

Referring to fig. 1-7, one embodiment of the present invention includes a lower wall 1 and an upper wall 2; the lower wall body 1 comprises a first steel frame 3, a plurality of pouring positioning frames 4 are fixed at the bottom of the first steel frame 3, a plurality of V-shaped reinforcing plates 5 are longitudinally arranged in the pouring positioning frames 4, a plurality of first steel bars 6 are transversely bound on the first steel frame 3, a plurality of second steel bars 7 are longitudinally bound on the first steel frame 3, the lap joints of the first steel bars 6 and the second steel bars 7 are fixed by using buckles 8, a plurality of inserting holes 9 are formed in the top of the first steel frame 3, external threaded columns 10 are fixed in the inserting holes 9, bottom plates 11 are sleeved at the bottoms of the external threaded columns 10, bulges 12 are arranged on the outer edges of the bottom plates 11, a first concrete wall body 13 is prefabricated on the first steel frame 3, orifices of the pouring positioning frames 4 and the inserting holes 9 are located on the outer side of the first concrete wall body 13, and through pouring holes 14 are formed in the first concrete wall body 13 and the inserting holes 9; upper portion wall body 2 includes second steelframe 15, be fixed with in the second steelframe 15 through locating rack 35 with spliced eye 9 grafting complex sleeve 16, the both ends of sleeve 16 are located the outside of second steelframe 15, it has the internal thread cover 17 with external screw thread post 10 looks adaptation to peg graft in the sleeve 16, elastic metal piece 18 has been cup jointed in the internal thread cover 17 outside, elastic metal piece 18 bottom surface is fixed with sealed the pad 19, after internal thread cover 17 and external screw thread post 10 threaded connection, sealed pad 19 and the sealed crimping of bellying 12, prefabricated second concrete wall 20 has on the second steelframe 15, the outside of second concrete wall 20 bottom is provided with the extension 21 with first concrete wall 13 cup joints the complex. The buckle 8 comprises a four-way cavity 22, a transverse arc-shaped groove 23 and a vertical arc-shaped groove 24 are fixed on the inner wall of the four-way cavity 22, the first steel bar 6 is located in the transverse arc-shaped groove 23, the second steel bar 7 is located in the vertical arc-shaped groove 24, a first through hole 25 which penetrates through the four-way cavity 22, the transverse arc-shaped groove 23 and the vertical arc-shaped groove 24 is formed in the center position of the four-way cavity 22, the first steel bar 6 and the second steel bar 7 are welded and fixed with the opening of the four-way cavity 22, and the first steel bar 6 and the second steel bar 7 are welded and fixed at the lap joint of the center position of the four-way cavity 22. The inner surfaces of the transverse arc-shaped groove 23 and the vertical arc-shaped groove 24 are respectively provided with a plurality of convex edges 39. The upper portion of the inner wall of the sleeve 16 is provided with a plurality of longitudinal first grooves 26, positioning pins 27 are inserted into the first grooves 26 after the internal thread sleeve 17 is in threaded connection with the external thread column 10, the positioning pins 27 are in interference fit between the first grooves 26 and the internal thread sleeve 17, and then the tops of the sleeve 16 and the internal thread sleeve 17 are welded and fixed. The outer side of the convex part 12 is provided with an inclined surface part 28, the sealing gasket 19 is in sealing press connection with the inclined surface part 28, the bottom surface of the elastic metal sheet 18 is fixed with a limiting block 29, and the limiting block 29 is in press connection with the top of the convex part 12. Reinforcing ribs 30 are arranged on two sides of the top of the first steel frame 3. Second groove 31 is provided inside extension 21, and wire 32 is provided inside second groove 31.

A plurality of second through holes 33 are arranged on two sides of the pouring positioning frame 4. The bottom of the first concrete wall 13 is provided with a plurality of third grooves 34.

The construction method comprises the following steps: the lower wall body 1 is placed in a wall body base 36, a plurality of anchor rod holes 37 are preset in the wall body base 36, the top ends of anchor rods 38 penetrate through second through holes 33 to be welded and fixed with V-shaped reinforcing plates 5 inside the pouring positioning frames 4, and the bottom ends of the anchor rods 38 are inserted into the corresponding anchor rod holes 37 to be fixed in a grouting mode. After the anchor rods 38 are used to support and position the lower wall 1, concrete is poured into the wall base 36. The anchor rods 38 not only support the lower wall 1 when the lower wall 1 is cast and fixed, but also form a relatively stable triangular support structure with the casting positioning frame 4, so that the strength of a concrete structure formed after casting can be effectively enhanced. The third groove 34 can increase the contact area between the concrete structure and the lower wall 1, and further improve the pouring and fixing stability of the lower wall 1.

After the lower wall body 1 is poured and fixed, the upper wall body 2 is hoisted to the upper side of the lower wall body 1, and then the sleeves 16 are inserted into the corresponding insertion holes 9 for alignment. An internally threaded sleeve 17 is then inserted into the sleeve 16 and the internally threaded sleeve 17 is rotated to threadably engage the externally threaded post 10. Then, the positioning pin 27 is inserted into the first groove 26, and the sleeve 16 and the top of the internally threaded sleeve 17 are fixed by welding. And finally, injecting concrete into the plug hole 9 through the pouring hole 14, and stopping after the concrete overflows from the interior of the extension part 21.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An assembled shear force wall which characterized in that: comprises a lower wall body (1) and an upper wall body (2); the lower wall body (1) comprises a first steel frame (3), a plurality of pouring positioning frames (4) are fixed at the bottom of the first steel frame (3), a plurality of V-shaped reinforcing plates (5) are longitudinally arranged in the pouring positioning frames (4), a plurality of first steel bars (6) are transversely bound on the first steel frame (3), a plurality of second steel bars (7) are longitudinally bound on the first steel frame (3), the lap joints of the first steel bars (6) and the second steel bars (7) are fixed by using buckles (8), a plurality of splicing holes (9) are formed in the top of the first steel frame (3), externally threaded columns (10) are fixed in the splicing holes (9), a bottom plate (11) is sleeved at the bottoms of the externally threaded columns (10), a bulge part (12) is arranged on the outer side edge of the bottom plate (11), a first concrete wall body (13) is prefabricated on the first steel frame (3), the pouring positioning frames (4) and orifices of the splicing holes (9) are positioned outside the first concrete wall body (13), a through pouring hole (14) is formed in the first concrete wall body (13) and the plug hole (9); upper portion wall body (2) include second steelframe (15), be fixed with through locating rack (35) in second steelframe (15) with spliced eye (9) grafting complex sleeve (16), the both ends of sleeve (16) are located the outside of second steelframe (15), it has internal thread cover (17) with external screw thread post (10) looks adaptation to peg graft in sleeve (16), elastic metal piece (18) have been cup jointed in internal thread cover (17) outside, elastic metal piece (18) bottom surface is fixed with sealed the pad (19), after internal thread cover (17) and external screw thread post (10) threaded connection, sealed pad (19) and bellying (12) sealed crimping, prefabricated second concrete wall body (20) on second steelframe (15), the outside of second concrete wall body (20) bottom is provided with and cup joints extension (21) of complex with first concrete wall body (13).

2. The fabricated shear wall of claim 1, wherein: buckle (8) include cross cavity (22), cross cavity (22) inner wall is fixed with a horizontal arc wall (23) and a vertical arc wall (24), first reinforcing bar (6) are located horizontal arc wall (23), second reinforcing bar (7) are located vertical arc wall (24), the central point of cross cavity (22) puts and is provided with first through-hole (25) that link up cross cavity (22) and horizontal arc wall (23) and vertical arc wall (24), first reinforcing bar (6) and second reinforcing bar (7) and the opening part welded fastening of cross cavity (22), first reinforcing bar (6) and second reinforcing bar (7) are in the lap-joint department welded fastening of cross cavity (22) central point.

3. The fabricated shear wall of claim 2, wherein: the inner surfaces of the transverse arc-shaped groove (23) and the vertical arc-shaped groove (24) are respectively provided with a plurality of convex ribs (39).

4. The fabricated shear wall of claim 1, wherein: the upper portion of sleeve (16) inner wall is provided with a plurality of fore-and-aft first recess (26), and plug-in locating pin (27) in first recess (26) behind internal thread cover (17) and external screw thread post (10) threaded connection, locating pin (27) interference fit between first recess (26) and internal thread cover (17), then weld fastening is carried out sleeve (16) and the top of internal thread cover (17).

5. The fabricated shear wall of claim 4, wherein: the outer side of the protruding portion (12) is provided with an inclined surface portion (28), the sealing gasket (19) is in sealing pressure connection with the inclined surface portion (28), a limiting block (29) is fixed on the bottom surface of the elastic metal sheet (18), and the limiting block (29) is in pressure connection with the top of the protruding portion (12).

6. The fabricated shear wall of claim 5, wherein: reinforcing ribs (30) are arranged on two sides of the top of the first steel frame (3).

7. The fabricated shear wall of claim 1, wherein: a second groove (31) is formed in the inner side of the extension portion (21), and a wire mesh (32) is arranged in the second groove (31).