Formwork supporting structure of detachable aluminum alloy bottom formwork steel bar truss floor support plate and construction method of formwork supporting structure

Abstract

The invention relates to a formwork supporting structure of a detachable aluminum alloy bottom formwork steel bar truss floor support plate and a construction method of the formwork supporting structure. The formwork supporting structure comprises a plurality of aluminum alloy bottom formworks which are connected in a butt joint mode. The wood formwork is arranged close to the beam side formwork, and the wood formwork is connected with the adjacent aluminum alloy bottom formwork and the beam side formwork; the plurality of connecting pieces are arranged on the aluminum alloy bottom die and the wood template; and the steel bar trusses are arranged on the connecting pieces. The formwork supporting structure has turnover performance, the aluminum alloy bottom formwork can be used in a turnover mode, and the purposes of multiple times of circulation and recycling are achieved. According to the formwork structure, the wood formworks are arranged at the beams, so that construction of non-standard-specification floor slabs is achieved, and the use range of the floor support plates is widened.

Description

Technical Field

[0001] The invention relates to the technical field of prefabricated structural engineering construction, and in particular to a formwork structure of a detachable aluminum alloy bottom formwork steel bar truss floor deck and a construction method thereof. Background Art

[0002] Prefabricated buildings have been vigorously promoted nationwide. So far, more than 30 provinces and cities have issued special guidelines and related supporting measures for prefabricated buildings. The development of such buildings will help accelerate the transformation of the industrial structure of the construction industry. Steel truss floor deck structures are widely used due to their standardized construction speed and good load-bearing capacity, but their high cost and difficulty in change will limit the use of steel truss floor decks. Summary of the invention

[0003] The purpose of the present invention is to overcome the defects of the prior art, provide a formwork structure of a detachable aluminum alloy bottom formwork steel truss floor deck and a construction method thereof, so as to solve the problem that the existing steel truss floor deck has the disadvantages of high cost and difficulty in change, which limits the use of the steel truss floor deck.

[0004] The technical solution to achieve the above purpose is:

[0005] The present invention provides a formwork structure for a detachable aluminum alloy bottom formwork steel bar truss floor deck, comprising:

[0006] Several aluminum alloy bottom molds connected by butt joint;

[0007] A wooden formwork disposed near the beam side formwork, the wooden formwork being connected to the adjacent aluminum alloy bottom formwork and the beam side formwork;

[0008] A plurality of connecting parts arranged on the aluminum alloy bottom mold and the wooden mold plate;

[0009] A steel bar truss is arranged on the connecting piece.

[0010] The further improvement of the formwork structure of the detachable aluminum alloy bottom form steel bar truss floor deck of the present invention is that a connection groove is provided at the top of the connecting member, the notch of the connecting groove is arranged upward, and the notch size of the connecting groove is smaller than the groove bottom size of the connecting groove, and a pair of retaining edges are provided at the top of the connecting member near the notch;

[0011] The steel bar truss includes an upper chord steel bar, two lower chord steel bars and a plurality of connecting bars connecting the upper chord steel bars and the lower chord steel bars; the upper chord steel bar is arranged above the middle of the two lower chord steel bars, the lower chord steel bar is arranged at the bottom of the connecting groove, and the distance between the two lower chord steel bars is greater than the groove size of the connecting groove.

[0012] A further improvement of the formwork structure of the detachable aluminum alloy bottom formwork steel bar truss floor decking plate of the present invention is that the side of the retaining edge close to the connecting groove is an inclined surface, the bottom of the inclined surface is in contact with the corresponding connecting bar on the truss steel bar, and the top of the inclined surface is away from the corresponding connecting bar on the truss steel bar.

[0013] A further improvement in the formwork structure of the detachable aluminum alloy bottom formwork steel bar truss floor decking plate of the present invention is that an adjustment wooden square is provided on the side of the wooden formwork close to the aluminum alloy bottom formwork, and the adjustment wooden square is provided with bolt holes corresponding to the connecting holes on the aluminum alloy bottom formwork, and the adjustment wooden square and the aluminum alloy bottom formwork are fastened and connected by bolts passing through the bolt holes and the connecting holes.

[0014] A further improvement of the formwork structure of the detachable aluminum alloy bottom formwork steel bar truss floor decking plate of the present invention is that the end side of the wooden formwork is flush with the inner surface of the corresponding beam side formwork, and the wooden formwork is fixedly connected to the keel on the outside of the beam side formwork by connecting nails.

[0015] The present invention also provides a construction method for the formwork structure of the detachable aluminum alloy bottom formwork steel bar truss floor deck, comprising the following steps:

[0016] Provide wooden formwork and connect the provided wooden formwork with the corresponding beam side formwork;

[0017] Providing a plurality of aluminum alloy bottom molds, connecting the aluminum alloy bottom molds with the wooden mold plate, and butting and connecting adjacent aluminum alloy bottom molds;

[0018] Providing a plurality of connecting pieces, and arranging the connecting pieces on the aluminum alloy bottom mold and the wooden mold plate;

[0019] A steel truss is provided and arranged on a corresponding connecting piece, thereby completing the construction of the formwork structure.

[0020] A further improvement in the construction method of the formwork structure of the detachable aluminum alloy bottom formwork steel bar truss floor deck of the present invention is that when setting the wooden formwork and the aluminum alloy bottom formwork, the wooden formwork and the aluminum alloy bottom formwork are sequentially connected along one side of the floor deck to the other side.

[0021] A further improvement of the construction method of the formwork structure of the detachable aluminum alloy bottom formwork steel bar truss floor deck of the present invention is that when setting the connecting pieces, a plurality of connecting pieces are arranged at intervals along the setting direction of the steel bar truss;

[0022] When setting up the steel truss, insert the steel truss into the corresponding connecting piece from one side.

[0023] A further improvement in the construction method of the formwork structure of the detachable aluminum alloy bottom formwork steel bar truss floor decking of the present invention is that when setting the wooden formwork, the end side of the wooden formwork is aligned with the inner surface of the corresponding beam side formwork, and the wooden formwork is fixedly connected to the keel on the outside of the beam side formwork by connecting nails.

[0024] A further improvement in the construction method of the formwork structure of the detachable aluminum alloy bottom formwork steel bar truss floor decking plate of the present invention is that when connecting the aluminum alloy bottom formwork and the wooden formwork, bolts are provided, and the bolts are penetrated through the connecting holes on the aluminum alloy bottom formwork and the bolt holes on the adjusting wooden square connected to the bottom of the wooden formwork to achieve a fastened connection between the wooden formwork and the aluminum alloy bottom formwork.

[0025] The beneficial effects of the formwork structure of the detachable aluminum alloy bottom formwork steel bar truss floor deck and the construction method thereof are as follows:

[0026] The formwork structure of the present invention is recyclable, and the aluminum alloy bottom mold can be used in a recyclable manner, thereby achieving the purpose of multiple cycles and recycling.

[0027] The formwork structure of the present invention arranges wooden formwork at the beam to realize the construction of non-standard floor slabs, thereby increasing the use range of the floor slabs. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a cross-sectional view of the formwork structure of the detachable aluminum alloy bottom formwork steel bar truss floor deck of the present invention.

[0029] Figure 2 The present invention is a flow chart of a construction method of a formwork structure of a detachable aluminum alloy bottom formwork steel bar truss floor deck. DETAILED DESCRIPTION

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0031] See also Figure 1 The present invention provides a formwork structure and construction method of a detachable aluminum alloy bottom formwork steel bar truss floor deck, which is mainly used for the structure and construction method of a non-standard detachable aluminum alloy bottom formwork steel bar truss floor deck, wherein the aluminum alloy bottom formwork can be used cyclically, and a wooden formwork is set at the beam to realize the construction of non-standard floor slabs, thereby increasing the scope of use of the steel bar floor deck. The formwork structure and construction method of the detachable aluminum alloy bottom formwork steel bar truss floor deck of the present invention are described below in conjunction with the accompanying drawings.

[0032] See also Figure 1 , showing the cross-sectional view of the formwork structure of the detachable aluminum alloy bottom formwork steel bar truss floor deck. Figure 1 , the formwork structure of the detachable aluminum alloy bottom formwork steel bar truss floor decking plate of the present invention is described.

[0033] like Figure 1 As shown, the formwork structure of the detachable aluminum alloy bottom formwork steel bar truss floor slab of the present invention includes an aluminum alloy bottom formwork 21, a wooden formwork 22, a connecting piece 23 and a steel bar truss 24. There are a plurality of aluminum alloy bottom forms 21, and the plurality of aluminum alloy bottom forms 21 are butt-connected. The wooden formwork 22 is arranged near the beam side formwork 10, and the wooden formwork 22 is connected to the adjacent aluminum alloy bottom formwork 21 and the beam side formwork 10. There are also a plurality of connecting pieces 23, and the connecting pieces 23 are arranged on the aluminum alloy bottom formwork 21 and the wooden formwork 22. The steel bar truss 24 is arranged on the connecting piece 23. In this way, the formwork is completed, and the floor slab is formed by pouring concrete on the aluminum alloy bottom formwork 21 and the wooden formwork 22. After the floor slab is poured, the aluminum alloy bottom formwork 21 and the wooden formwork 22 can be disassembled for turnover.

[0034] Furthermore, a connecting groove is provided at the top of the connecting member 23, the notch of the connecting groove is arranged upward, and the notch size of the connecting groove is smaller than the groove bottom size of the connecting groove, and a pair of retaining edges 231 are provided at the top of the connecting member 23 near the notch;

[0035] The steel bar truss 24 includes an upper chord steel bar 241, two lower chord steel bars 242 and a plurality of connecting bars 243 connecting the upper chord steel bar 241 and the lower chord steel bar 242; the upper chord steel bar 241 is arranged above the middle of the two lower chord steel bars 242, the lower chord steel bar 242 is arranged at the bottom of the connecting groove, and the distance between the two lower chord steel bars 242 is greater than the groove size of the connecting groove.

[0036] The outer contour of the steel bar truss 24 is triangular, and the connecting bars 243 are arranged in an inclined shape.

[0037] Furthermore, the side surface of the retaining edge 231 close to the connecting groove is an inclined surface, the bottom of the inclined surface is in contact with the corresponding connecting bar 243 on the truss steel bar 24, and the top of the inclined surface is away from the corresponding connecting bar 243 on the truss steel bar 24.

[0038] When installing, the steel truss 24 can be inserted into the connection groove from one side of the connecting piece 23, and the connecting bars 243 on both sides can be clamped by a pair of retaining edges 231 to achieve clamping of the steel truss 24.

[0039] Furthermore, an adjustment wooden square 25 is provided on one side of the wooden template 22 close to the aluminum alloy bottom mold 21, and bolt holes are provided on the adjustment wooden square 25 corresponding to the connecting holes on the aluminum alloy bottom mold 21. The adjustment wooden square 25 and the aluminum alloy bottom mold 21 are fastened and connected by bolts 26 passing through the bolt holes and the connecting holes.

[0040] The adjustment wood square 25 is fixed to the wood template 22 by connecting nails.

[0041] Furthermore, the end side of the wood formwork 22 is flush with the inner surface of the corresponding beam side formwork 10 , and the wood formwork 22 is fixedly connected to the keel 101 on the outer side of the beam side formwork 10 via the connecting nails 221 .

[0042] When setting the wooden formwork 22, place one side of the wooden formwork 22 on the beam side formwork 10, make the end side surface of the wooden formwork 22 flush with the inner surface of the beam side formwork 10, and then fix the wooden formwork 22 to the keel 101 set on the back side of the beam side formwork 10 through the connecting nails 221.

[0043] The other side of the wooden template 22 is pre-connected with an adjustment wooden square 25, the size of which is matched with the size of the frame 211 of the aluminum alloy bottom mold 21. The aluminum alloy bottom mold 21 is set on the other side of the wooden template 22, and the frame 211 of one side of the aluminum alloy bottom mold 21 is made to stick to the adjustment wooden square 25, and then the connecting holes on the frame 211 and the bolt holes on the adjustment wooden square 25 are aligned, and bolts 26 are inserted to connect the wooden template 22 and the aluminum alloy bottom mold 21.

[0044] The back of the aluminum alloy bottom mold 21 is surrounded by a frame 211 , and the frame 211 is provided with connection holes. The frames 211 of two adjacent aluminum alloy bottom molds 21 are attached to each other and then connected by pins 27 passing through the connection holes on the frames 211 .

[0045] The aluminum alloy bottom mold 21 is fixedly connected to the connecting piece 23 by metal self-tapping screws 28. The connecting piece 23 is arranged at intervals along the arrangement direction of the steel bar truss 24.

[0046] The aluminum alloy bottom mold 21 is an aluminum alloy bottom plate.

[0047] The present invention also provides a construction method for a detachable aluminum alloy bottom formwork steel bar truss floor decking formwork structure, and the construction method is described below.

[0048] like Figure 2 As shown, the construction method of the present invention comprises the following steps:

[0049] Execute step S11, provide a wooden formwork, and connect the provided wooden formwork with the corresponding beam side formwork; then execute step S12;

[0050] Execute step S12, provide a plurality of aluminum alloy bottom molds, connect the aluminum alloy bottom molds with the wooden molds, and butt-connect adjacent aluminum alloy bottom molds; then execute step S13;

[0051] Execute step S13, provide a plurality of connecting pieces, and place the connecting pieces on the aluminum alloy bottom mold and the wooden mold; then execute step S14;

[0052] Execute step S14 to provide a steel truss and place the steel truss on the corresponding connecting piece, thereby completing the construction of the formwork structure.

[0053] In a specific embodiment of the present invention, when the wooden formwork and the aluminum alloy bottom formwork are arranged, the wooden formwork and the aluminum alloy bottom formwork are sequentially connected along one side to the other side of the floor deck.

[0054] In a specific embodiment of the present invention, when the connecting pieces are arranged, a plurality of connecting pieces are arranged at intervals along the arrangement direction of the steel bar truss;

[0055] When setting up the steel truss, insert the steel truss into the corresponding connecting piece from one side.

[0056] In a specific embodiment of the present invention, when setting the wooden formwork, the end side of the wooden formwork is aligned with the inner surface of the corresponding beam side formwork, and the wooden formwork is fixedly connected to the keel on the outside of the beam side formwork by connecting nails.

[0057] In a specific embodiment of the present invention, when connecting the aluminum alloy bottom mold and the wooden mold, bolts are provided, and the bolts are used to penetrate the connection holes on the aluminum alloy bottom mold and the bolt holes on the adjustment wood connected to the bottom of the wooden mold to achieve the fastening connection between the wooden mold and the aluminum alloy bottom mold.

[0058] The construction method of the present invention is that the first template is a wooden template, the size of the wooden template is confirmed according to the actual size on site, and it is fixed on the keel 101 of the beam side template 10 with connecting nails; the second template is an aluminum alloy bottom template 21, and the elevation is adjusted by adjusting the wooden square 25 with the wooden template (the first template), and the adjustment wooden square 25 is connected to the aluminum alloy bottom template 21 with bolts 26, and the cloak with the first template is adjusted, and the two end corners are fixed on the beam side keel with iron; the third and subsequent templates are aluminum alloy bottom templates, and the adjacent aluminum alloy bottom templates are connected with pins, and the two end corners are fixed on the beam side keel with iron, and the last template is a wooden template, which is the same as the first template. It is laid piece by piece in the bay, and non-standard finishing is done.

[0059] The construction method of the present invention utilizes a system construction of a detachable aluminum alloy bottom formwork + a partial wooden formwork, and can realize the application of the detachable aluminum alloy bottom formwork steel bar truss floor decking plate in non-standard specification floors, thereby greatly saving construction costs, shortening construction periods, improving the load-bearing capacity and earthquake resistance of the formwork system, and reducing the loss rate of the formwork. By applying a detachable aluminum alloy bottom formwork structure, the turnover rate of the aluminum alloy bottom formwork is improved, thereby achieving the purpose of multiple cycles and recycling.

[0060] The present invention is described in detail above in conjunction with the embodiments of the accompanying drawings. A person skilled in the art can make various variations of the present invention according to the above description. Therefore, certain details in the embodiments should not constitute a limitation of the present invention, and the scope of protection of the present invention shall be defined by the scope of the attached claims.

Claims

1. A formwork structure for a detachable aluminum alloy bottom formwork steel bar truss floor deck, characterized in that: include: Several aluminum alloy bottom molds connected by butt joint; A wooden formwork disposed near the beam side formwork, the wooden formwork being connected to the adjacent aluminum alloy bottom formwork and the beam side formwork; A plurality of connecting parts arranged on the aluminum alloy bottom mold and the wooden mold plate; A steel bar truss is arranged on the connecting piece.

2. The formwork structure of the detachable aluminum alloy bottom form steel bar truss floor deck as claimed in claim 1 is characterized in that: A connecting groove is provided on the top of the connecting member, the notch of the connecting groove is arranged upward, and the notch size of the connecting groove is smaller than the groove bottom size of the connecting groove, and a pair of retaining edges are provided on the top of the connecting member near the notch; The steel bar truss includes an upper chord steel bar, two lower chord steel bars and a plurality of connecting bars connecting the upper chord steel bars and the lower chord steel bars; the upper chord steel bar is arranged above the middle of the two lower chord steel bars, the lower chord steel bar is arranged at the bottom of the connecting groove, and the distance between the two lower chord steel bars is greater than the groove size of the connecting groove.

3. The formwork structure of the detachable aluminum alloy bottom form steel bar truss floor deck as claimed in claim 2, characterized in that: The side surface of the retaining edge close to the connecting groove is an inclined surface, the bottom of the inclined surface is in contact with the corresponding connecting reinforcement on the truss reinforcement, and the top of the inclined surface is away from the corresponding connecting reinforcement on the truss reinforcement.

4. The formwork structure of the detachable aluminum alloy bottom form steel bar truss floor deck as claimed in claim 1, characterized in that: An adjustment wooden square is provided on one side of the wooden template close to the aluminum alloy bottom mold, and bolt holes corresponding to the connecting holes on the aluminum alloy bottom mold are provided on the adjustment wooden square. The adjustment wooden square and the aluminum alloy bottom mold are fastened and connected by bolts passing through the bolt holes and the connecting holes.

5. The formwork structure of the detachable aluminum alloy bottom form steel bar truss floor deck as claimed in claim 1, characterized in that: The end side of the wooden template is flush with the inner surface of the corresponding beam side template, and the wooden template is fixedly connected to the keel on the outer side of the beam side template through connecting nails.

6. A construction method for the formwork structure of the detachable aluminum alloy bottom form steel bar truss floor deck as claimed in claim 1, characterized in that: The steps include: Provide wooden formwork and connect the provided wooden formwork with the corresponding beam side formwork; Providing a plurality of aluminum alloy bottom molds, connecting the aluminum alloy bottom molds with the wooden mold plate, and butting and connecting adjacent aluminum alloy bottom molds; Providing a plurality of connecting pieces, and arranging the connecting pieces on the aluminum alloy bottom mold and the wooden mold plate; A steel truss is provided and arranged on a corresponding connecting piece, thereby completing the construction of the formwork structure.

7. The construction method of the formwork structure of the detachable aluminum alloy bottom form steel bar truss floor deck as claimed in claim 6, characterized in that: When setting up the wooden formwork and the aluminum alloy bottom formwork, the wooden formwork and the aluminum alloy bottom formwork are sequentially connected along one side of the floor decking to the other side.

8. The construction method of the formwork structure of the detachable aluminum alloy bottom form steel bar truss floor deck as claimed in claim 6, characterized in that: When setting the connecting pieces, multiple connecting pieces are set at intervals along the setting direction of the steel bar truss; When setting up the steel truss, insert the steel truss into the corresponding connecting piece from one side.

9. The construction method of the formwork structure of the detachable aluminum alloy bottom form steel bar truss floor deck according to claim 6, characterized in that: When setting the wooden formwork, align the end side of the wooden formwork with the inner surface of the corresponding beam side formwork, and fix the wooden formwork to the keel on the outside of the beam side formwork through connecting nails.

10. The construction method of the formwork structure of the detachable aluminum alloy bottom form steel bar truss floor deck as claimed in claim 6, characterized in that: When connecting the aluminum alloy bottom mold and the wooden mold, bolts are provided, and the bolts are used to penetrate the connection holes on the aluminum alloy bottom mold and the bolt holes on the adjustment wood connected to the bottom of the wooden mold to achieve the fastening connection between the wooden mold and the aluminum alloy bottom mold.

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