Fine construction structure of concrete prefabricated secondary beam and composite floor slab horizontal structure

Abstract

The utility model discloses a concrete prefabricated secondary beam and composite floor slab horizontal structure fine construction structure which comprises a beam bottom formwork arranged on the bottom face of a prefabricated secondary beam in a supported mode, the top face elevation of the beam bottom formwork is consistent with the designed bottom face elevation of the prefabricated secondary beam, and the beam bottom formwork is used for supporting and positioning the prefabricated secondary beam. The beam side formworks are supported at the bottoms of the laminated slabs and are supported by a certain length around the circumference of each span of the laminated slabs; the beam side positioning pieces are installed on the beam side formworks, located on the two sides of the prefabricated secondary beams, abut against the side faces of the prefabricated secondary beams and are used for positioning the prefabricated secondary beams; and the sealing piece is arranged between the beam side template and the beam side positioning piece and is used for sealing an abutted seam between the prefabricated secondary beam and the laminated slab. The beam bottom formwork is erected at the bottom of the prefabricated secondary beam, the elevation and the position are well controlled in advance, installation of the prefabricated secondary beam is facilitated, and the installation precision is guaranteed; the beam side formworks are arranged on the periphery of each span of the laminated slab in a supporting mode, and the sponge strips are pasted to the positions tightly attached to the beam edges, so that the problem of grout leakage of the splicing seam internal corner of the prefabricated secondary beam and the laminated slab can be effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, in particular to a concrete prefabricated secondary beam, composite floor horizontal structure fine construction structure. BACKGROUND

[0002] A project is a frame structure, and the types and quantity of the composite boards are more, wherein the floor with the largest number of composite boards is 218 blocks, the maximum length of the prefabricated secondary beam is 8320mm, and the floor with the largest number of prefabricated secondary beams is 24 blocks; due to the small site, the components cannot be stacked on site, and the component hoisting and installation are extremely difficult.

[0003] At present, the horizontal structure system adopting the concrete prefabricated secondary beam, the composite board floor and the cast-in-place main beam is less common, for this system, the conventional construction method is to hoist the side components first when hoisting the components, and then install block by block, but this method is applicable to construction projects with a large site area and sufficient component storage site, and is not applicable to the present application; if the conventional construction method is continued, the prefabricated secondary beam positioning will be inaccurate, the component joint part will be blocked, and a large amount of grout leakage will occur; in view of the above problems, the present application provides a concrete prefabricated secondary beam, composite floor horizontal structure fine construction structure. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a concrete prefabricated secondary beam, composite floor horizontal structure fine construction structure, has the advantages of accurate positioning and grout leakage prevention.

[0005] The technical problem solved is that the prefabricated secondary beam positioning is inaccurate, the component joint part is blocked, and a large amount of grout leakage occurs.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] The utility model discloses a concrete prefabricated secondary beam, composite floor horizontal structure fine construction structure, including

[0008] Beam bottom form, is supported at the bottom surface of prefabricated secondary beam, the top surface elevation of beam bottom form is consistent with the design bottom surface elevation of prefabricated secondary beam, is used for supporting, positioning prefabricated secondary beam;

[0009] Beam side form, is supported at the bottom of composite board and is supported around every cross composite board circle a certain length;

[0010] Beam side positioning piece, is installed on beam side form, is located at the two sides of prefabricated secondary beam and is in contact with prefabricated secondary beam side, is used for positioning prefabricated secondary beam;

[0011] Sealing element, is arranged between beam side form and beam side positioning piece, is used for sealing prefabricated secondary beam and composite board joint.

[0012] The utility model relates to a concrete prefabricated secondary beam, composite floor horizontal structure fine construction structure, further, including support frame, the beam bottom template and beam side template are all installed on the support frame.

[0013] The utility model relates to a concrete prefabricated secondary beam, composite floor horizontal structure fine construction structure, further, the support frame selects disc buckle frame support system.

[0014] The utility model relates to a concrete prefabricated secondary beam, composite floor horizontal structure fine construction structure, further, the support frame includes vertical pole, the upper end of vertical pole is equipped with the top support, is equipped with double steel pipe main joist on the top support, is equipped with square steel pipe secondary joist on double steel pipe main joist, and the beam side template is supported on square steel pipe secondary joist.

[0015] The utility model relates to a concrete prefabricated secondary beam, composite floor horizontal structure fine construction structure, further, the vertical pole of support frame is equipped with double channel steel joist, is equipped with bottom support on double channel steel joist, is equipped with top support on bottom support, is equipped with double steel pipe main joist and square steel pipe secondary joist in proper order on top support, and the beam bottom template is supported on square steel pipe secondary joist.

[0016] The utility model relates to a concrete prefabricated secondary beam, composite floor horizontal structure fine construction structure, further, the bottom support includes the bracket of buckling on double channel steel joist and the fixed steel pipe of being fixed in the bracket, the fixed steel pipe is through arrangement with the bracket, and the top support is installed on the fixed steel pipe.

[0017] The utility model relates to a concrete prefabricated secondary beam, composite floor horizontal structure fine construction structure, further, the beam side positioning piece is the wood square.

[0018] The utility model relates to a concrete prefabricated secondary beam, composite floor horizontal structure fine construction structure, further, the sealing piece is the sponge strip.

[0019] The utility model relates to a concrete prefabricated secondary beam, composite floor horizontal structure fine construction structure, further, the beam side template is multilayer board.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] 1. the application is first in the prefabricated secondary beam bottom and sets up the beam bottom template, and the elevation and position are controlled in advance, and the installation of prefabricated secondary beam is convenient and guarantees the installation precision of prefabricated secondary beam, and through the beam side template of every cross composite board circle support, the sponge strip of sticking in the position close to the beam edge can effectively solve the prefabricated secondary beam and the composite board joint gap shadow angle leakage problem, cancels the operation of composite board and prefabricated secondary beam joint gap plaster sealing, reduces the workload of field operating personnel, and the template can be recycled, reduces the construction waste, and is green and environmental protection.

[0022] 2. The prefabricated secondary beam and the composite slab can be installed separately, avoiding the operation of hoisting the edge component first and installing it piece by piece in the traditional component hoisting, solving the problem that the site is relatively small and does not have a site for classified storage of components.

[0023] The utility model will be further described below with reference to the drawings. DRAWINGS

[0024] Fig. 1 It is a structural schematic view of the utility model;

[0025] Fig. 2 It is a partial schematic view of the beam side positioning member of the utility model.

[0026] Reference signs:

[0027] 1, support frame; 1.1, vertical rod; 1.2, top support; 1.3, double steel pipe main keel; 1.4, square steel pipe secondary keel; 2, beam bottom formwork; 3, beam side formwork; 4, beam side positioning member; 5, double channel steel support beam; 6, bottom support; 7, composite slab; 8, prefabricated secondary beam. DETAILED DESCRIPTION

[0028] As shown in Figs. 1-2 The utility model discloses a concrete prefabricated secondary beam, composite floor horizontal structure fine construction structure, including support frame 1, beam bottom formwork 2, beam side formwork 3, beam side positioning member 4 and sealing element, support frame 1 is set below composite slab 7 and prefabricated secondary beam 8, for supporting beam bottom formwork 2 and beam side formwork 3, support frame 1 in the application selects disc buckle frame support system, and it is prior art, and the embodiment of the application does not repeat.

[0029] Support frame 1 includes vertical rod 1.1, and the upper end of vertical rod 1.1 is provided with top support 1.2, and double steel pipe main keel 1.3 is installed on top support 1.2, and square steel pipe secondary keel 1.4 is installed on double steel pipe main keel 1.3 in the direction perpendicular to double steel pipe main keel 1.3, and beam side formwork 3 is supported on square steel pipe secondary keel 1.4.

[0030] Beam side formwork 3, in the embodiment of the application, selects multilayer board, and is supported at the bottom of composite slab 7 and is supported around the circumference of composite slab 7 for a certain length, and the length range is 500-1000mm, and preferably, the width of beam side formwork 3 is 700mm.

[0031] The vertical pole 1.1 of the support frame 1 is provided with a double-groove steel joist 5 clamped on both sides of the vertical pole 1.1 and supported on the disc buckle on the vertical pole 1.1, the double-groove steel joist 5 is connected through a bolt connection pair, the double-groove steel joist 5 is provided with a bottom support 6, the bottom support 6 is provided with a top support 1.2, the top support 1.2 is sequentially provided with a double-steel pipe main batten 1.3 and a square steel pipe secondary batten 1.4, and the beam bottom formwork 2 is supported on the square steel pipe secondary batten 1.4. The bottom support 6 comprises a support seat buckled on the double-groove steel joist 5 and a fixed steel pipe fixedly arranged on the support seat, the fixed steel pipe is arranged through the support seat, and the top support 1.2 is inserted into the fixed steel pipe.

[0032] The beam bottom formwork 2 is arranged at the bottom of the prefabricated secondary beam 8, the top surface of the beam bottom formwork 2 has the same elevation as the designed bottom surface of the prefabricated secondary beam 8, and the beam bottom formwork 2 is used for supporting and positioning the prefabricated secondary beam 8.

[0033] The beam side positioning member 4, which is a wooden square in the embodiment, is arranged on the beam side formwork 3 and located on both sides of the prefabricated secondary beam 8 and abuts against the side surface of the prefabricated secondary beam 8, and is used for positioning the prefabricated secondary beam 8.

[0034] The sealing member, which is a sponge strip in the embodiment, is arranged between the beam side formwork 3 and the beam side positioning member 4 and is used for sealing the joint between the prefabricated secondary beam 8 and the composite slab 7.

[0035] The beam bottom formwork 2 is arranged at the bottom of the prefabricated secondary beam 8, the top surface of the beam bottom formwork 2 has the same elevation as the designed bottom surface of the prefabricated secondary beam 8, and the beam bottom formwork 2 is used for supporting and positioning the prefabricated secondary beam 8.

[0036] The above-described embodiment is only used for describing the preferred implementation manner of the utility model, and does not limit the scope of the utility model, and various deformations and improvements of the technical scheme of the utility model made by those skilled in the art without departing from the design spirit of the utility model should fall within the protection scope of the utility model claim.

Claims

1. A concrete prefabricated secondary beam, composite floor horizontal structure fine construction structure, characterized in that: Comprising a beam bottom formwork (2) supported on the bottom surface of a prefabricated secondary beam (8), the top surface of the beam bottom formwork (2) being at the same height as the designed bottom surface of the prefabricated secondary beam (8), for supporting and positioning the prefabricated secondary beam (8); a beam side formwork (3) supported on the bottom of a composite slab (7) and around the periphery of the composite slab (7) of each span for a certain length; a beam side positioning member (4) installed on the beam side formwork (3) and located on both sides of the prefabricated secondary beam (8) and abutting against the side surface of the prefabricated secondary beam (8), for positioning the prefabricated secondary beam (8); a sealing member provided between the beam side formwork (3) and the beam side positioning member (4), for sealing the joint between the prefabricated secondary beam (8) and the composite slab (7).

2. The fine construction structure of a concrete prefabricated secondary beam, a composite floor horizontal structure according to claim 1, characterized in that: Further comprising a support frame (1), the beam bottom formwork (2) and the beam side formwork (3) are both installed on the support frame (1).

3. The fine construction structure of a concrete prefabricated secondary beam, a composite floor horizontal structure according to claim 2, characterized in that: The support frame (1) is selected from a disc buckle frame support system.

4. The fine construction structure of a concrete precast secondary beam, a composite floor horizontal structure according to claim 3, characterized in that: The support frame (1) comprises a vertical rod (1.1), the upper end of the vertical rod (1.1) is provided with a top support (1.2), the top support (1.2) is provided with a double-steel pipe main keel (1.3), the double-steel pipe main keel (1.3) is provided with a square steel pipe secondary keel (1.4), and the beam side formwork (3) is supported on the square steel pipe secondary keel (1.4).

5. The fine construction structure of a concrete precast secondary beam, a composite floor horizontal structure according to claim 1, characterized in that: The vertical rod (1.1) of the support frame (1) is provided with a double-channel steel joist (5), the double-channel steel joist (5) is provided with a bottom support (6), the bottom support (6) is provided with a top support (1.2), the top support (1.2) is sequentially provided with a double-steel pipe main keel (1.3) and a square steel pipe secondary keel (1.4), and the beam bottom formwork (2) is supported on the square steel pipe secondary keel (1.4).

6. The fine construction structure of a concrete precast secondary beam, a composite floor horizontal structure according to claim 5, characterized in that: The bottom support (6) comprises a support seat buckled on the double-channel steel joist (5) and a fixed steel pipe fixedly arranged on the support seat, the fixed steel pipe is arranged through the support seat, and the top support (1.2) is arranged on the fixed steel pipe.

7. The fine construction structure of a concrete precast secondary beam, a composite floor horizontal structure according to claim 1, characterized in that: The beam side positioning member (4) is a wooden square.

8. The fine construction structure of a concrete precast secondary beam, a composite floor horizontal structure according to claim 1, characterized in that: The sealing member is a sponge strip.

9. The fine construction structure of a concrete precast secondary beam, a composite floor horizontal structure according to claim 1, characterized in that: The beam side formwork (3) is a multi-layer board.

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