Frame structure first-pouring and later-hanging system

Abstract

The utility model relates to a frame structure casting-before-hanging system, which comprises a prefabricated superposed beam, a prefabricated superposed plate, a floor structure cast-in-place layer and an externally-hung wall plate, after the prefabricated superposed beam and the prefabricated superposed plate are installed and fixed, the floor structure cast-in-place layer is cast above the prefabricated superposed beam and the prefabricated superposed plate, an externally-hung plate is formed, a grouting hole is reserved in the externally-hung plate, and the prefabricated superposed beam and the prefabricated superposed plate are connected with the externally-hung wall plate. The external wall plate is mounted between the upper and lower layers of external bridging plates; the externally-hung wall plate comprises prefabricated layers on the two sides and a sandwich heat preservation layer in the middle. A plurality of connecting pieces are arranged at the tops of the externally-hung wallboards, vertical mounting holes matched with the connecting pieces are formed in the bottoms of the externally-hung wallboards, and the connecting pieces of the externally-hung wallboards on the lower layer penetrate through the grouting holes to be inserted into the vertical mounting holes; and a grouting hole and an exhaust hole are formed in the bottom of the externally-hung wallboard. Prefabricated superposed beams and plates are installed firstly, then concrete of the layer is poured, the externally-hung wall plate is installed through the formed cantilever plate, and it is guaranteed that the wall plate and a cast-in-place structure form a whole; and the thermal insulation layer is integrated in the external wall panel, so that the thermal insulation performance of the wall body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering especially relates to a frame structure first pours and hangs system. BACKGROUND

[0002] In the existing building engineering practice, the prefabricated assembly type building in the frame structure system is gradually valued with its advantages such as high efficiency, environmental protection, quality controllable and the like. However, the traditional prefabricated outer wall board often has problems such as insufficient heat preservation performance, complex connection with the main structure, easy water seepage and the like. In addition, most prefabricated wall boards adopt ordinary concrete materials, and the mechanical properties and durability thereof are relatively limited. At the same time, in the conventional construction process, the combination of the prefabricated component and the cast-in-place structure is often not close enough, which influences the stability and durability of the overall structure. SUMMARY

[0003] The utility model provides a frame structure first pours and hangs system to solve above -mentioned technical problem.

[0004] To solve above-mentioned technical problem, the utility model provides a frame structure first pours and hangs system, including prefabricated composite beam, prefabricated composite board, floor structure cast-in-place layer and outer hanging wall board,

[0005] After the prefabricated composite beam and prefabricated composite board are installed and fixed, the floor structure cast-in-place layer is poured on the top of the prefabricated composite beam and prefabricated composite board, and forms an overhanging plate, the overhanging plate is reserved with a grouting hole, and the outer hanging wall board is installed between the upper and lower overhanging plates.

[0006] The outer hanging wall board includes two prefabricated layers and a sandwich insulation layer arranged between the two prefabricated layers, and the two prefabricated layers are connected by inner and outer connecting rods.

[0007] The top of the outer hanging wall board is provided with a plurality of connecting pieces, the bottom of the outer hanging wall board is provided with a vertical mounting hole matched with the connecting pieces, the connecting pieces of the lower outer hanging wall board are inserted into the vertical mounting hole through the grouting hole, and the bottom of the outer hanging wall board is further provided with a grouting hole and an exhaust hole.

[0008] Preferably, the grouting hole is a tapered hole with a large upper part and a small lower part.

[0009] Preferably, the prefabricated layer is made of UHPC material.

[0010] Preferably, the connecting piece is a single-threaded connecting bolt.

[0011] Preferably, the connecting bolt is fixedly connected with the outer hanging wall board through a connector embedded in the outer hanging wall board.

[0012] Preferably, a circular rubber ring is sleeved on the connecting bolt, which is arranged between the top of the external wall panel and the grouting hole.

[0013] Preferably, a PE rod is arranged between the top of the external wall panel and the upper cantilever panel, between the bottom of the external wall panel and the lower cantilever panel, and between the side of the external wall panel and the prefabricated composite beam.

[0014] Preferably, high-strength grout is filled between the bottom of the external wall panel and the floor structure cast-in-place layer.

[0015] Preferably, a splicing joint is left between the left and right adjacent external wall panels, and the splicing joint is glued.

[0016] Compared with the prior art, the frame structure cast-in-place first and hung later system has the following advantages:

[0017] 1. The prefabricated composite beam and the panel are first installed, then the current layer of concrete is poured, the cantilever panel is formed, and the external wall panel is installed, so that the wall panel and the cast-in-place structure form an integral whole, the stability and sealing performance of the wall panel after installation are improved, the structural integrity and the anti-seismic performance are enhanced, the on-site installation is fast, the wet work is reduced, the construction efficiency is improved, and the construction period is shortened.

[0018] 2. The mechanical properties of the prefabricated wall panel are significantly improved by using the high-strength and high-durability characteristics of the UHPC material; the thermal insulation performance of the wall is effectively improved by integrating the thermal insulation layer, the use performance and comfort of the building are improved as a whole, the process of building industrialization is promoted, the construction cost is reduced, and the building quality is improved.

[0019] 3. The wall seepage problem is effectively prevented by using the sealing treatment of the PE rod and the high-strength grout, and the durability and service life of the building are improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure schematic view of the external wall panel in the specific embodiment of the utility model;

[0021] Figure 2 It is a sectional view of the external wall panel in the specific embodiment of the utility model;

[0022] Figure 3 It is an installation structure schematic view of the upper and lower two layers of external wall panels in the specific embodiment of the utility model;

[0023] Figure 4 It is a splicing schematic view of the left and right adjacent external wall panels in the specific embodiment of the utility model;

[0024] Figures 5a-5cThe utility model discloses a concrete implementation mode frame structure first pours after the construction process schematic diagram of hanging system.

[0025] In the drawing: 10 - prefabricated composite beam, 20 - prefabricated composite board, 30 - floor structure cast-in-place layer, 31 - cantilevered plate, 32 - grouting hole, 40 - externally hung wallboard, 41 - prefabricated layer, 42 - sandwich insulation layer, 43 - inner and outer connecting rod, 51 - connecting piece, 52 - vertical mounting hole, 53 - grouting hole, 54 - exhaust hole, 55 - adapter, 56 - round rubber ring, 61 - PE stick, 62 - high-strength slurry, 71 - splicing seam. CONCRETE EMBODIMENT

[0026] In order to more detailedly represent the technical scheme of the above-mentioned utility model, the following specific examples are listed to prove the technical effect; it is emphasized that these examples are used to illustrate the utility model and are not used to limit the scope of the utility model.

[0027] The utility model provides a frame structure first pours after hanging system, such as Figures 5a-5c As shown, including prefabricated composite beam 10, prefabricated composite board 20, floor structure cast-in-place layer 30 and externally hung wallboard 40, wherein:

[0028] After prefabricated composite beam 10 and prefabricated composite board 20 are installed and fixed, floor structure cast-in-place layer 30 is poured on the top of prefabricated composite beam 10 and prefabricated composite board 20 and forms cantilevered plate 31, grouting hole 32 is reserved in cantilevered plate 31, and externally hung wallboard 40 is installed between the upper and lower cantilevered plates 31.The utility model pours this layer concrete (floor structure cast-in-place layer 30) after installing prefabricated composite beam 10 and prefabricated composite board 20 first, installs externally hung wallboard 40 by using the formed cantilevered plate 31, ensures that externally hung wallboard 40 and floor structure cast-in-place layer 30 form a whole, and the utility model is rapidly installed on site, reduces wet work, improves construction efficiency, and shortens construction period.

[0029] Please refer to Figure 2 Externally hung wallboard 40 includes two prefabricated layers 41 on both sides and sandwich insulation layer 42 clamped between the two prefabricated layers 41, and the two prefabricated layers 41 are connected by inner and outer connecting rod 43.The utility model effectively improves the thermal insulation performance of the wall by integrating the insulation layer, improves the use performance and comfort of the building as a whole, promotes the process of building industrialization, reduces construction cost and improves building quality.

[0030] Please continue to refer to Figure 4 And combine Figure 5cThe top of the outer hanging wall plate 40 is provided with a plurality of connecting pieces 51, the bottom of the outer hanging wall plate 40 is provided with vertical mounting holes 52 matched with the connecting pieces 51, the connecting pieces 51 of the lower outer hanging wall plate 40 are inserted into the vertical mounting holes 52 through the grouting holes 32, and the bottom of the outer hanging wall plate 40 is further provided with a grouting hole 53 and an exhaust hole 54.

[0031] In some embodiments, please refer to Figures 5a-5c The grouting hole 32 is a tapered hole that is large at the top and small at the bottom, so that the connecting piece 51 passes through and grouting is injected into the grouting hole 32.

[0032] In some embodiments, the prefabricated layer 41 is made of UHPC (i.e., ultra-high performance concrete) material, and the mechanical properties of the prefabricated wall plate are significantly improved by using the high strength and high durability characteristics of the UHPC material, so that the prefabricated outer hanging wall plate 40 is small in thickness, light in weight and high in strength, and is not easy to deform and crack.

[0033] In some embodiments, please refer to Figures 1-3 The connecting piece 51 can be a single-threaded connecting bolt, and in some embodiments, the connecting bolt can be fixedly connected with the outer hanging wall plate 40 through a connector 55 pre-buried in the outer hanging wall plate 40, facilitating the installation of the connecting piece 51.

[0034] In some embodiments, please refer to Figure 5c A circular rubber ring 56 is sleeved on the connecting bolt, which is arranged between the top of the outer hanging wall plate 40 and the grouting hole 32, improving the sealing performance of the wall and preventing water seepage of the wall.

[0035] In some embodiments, please refer to Figure 5b And 5c A PE rod 61 is arranged between the top of the outer hanging wall plate 40 and the upper cantilever plate 31, between the bottom of the outer hanging wall plate 40 and the lower cantilever plate 31, and between the side of the outer hanging wall plate 40 and the prefabricated composite beam 10, further improving the sealing performance of the wall.

[0036] In some embodiments, after the installation of the outer hanging wall plate 40 is completed, grouting is simultaneously injected from the grouting hole 32 and the grouting hole 53, ensuring that the wall plate and the cast-in-place structure form a whole, and further improving the stability and sealing performance of the wall plate after installation.

[0037] In some embodiments, please refer to Figure 5cThe bottom of the outer hanging wall plate 40 is filled with high-strength grout 62 between the floor structure cast-in-place layer 30, further improving the sealing of the wall.

[0038] In some embodiments, please refer to Figure 4 The left and right two adjacent outer hanging wall plates 40 are left with a splicing joint 71, which is treated with glue, further preventing water seepage of the wall.

[0039] Please continue to refer to Figures 5a-5c The installation process of the outer hanging wall plate 40 is as follows:

[0040] First, the prefabricated composite beam 10 and the prefabricated composite plate 20 are installed, and then the concrete of the layer (the floor structure cast-in-place layer 30) is poured, and after the concrete reaches a certain strength, a reserved installation node (the overhanging plate 31) is formed;

[0041] The PE rod 61 is installed on the lower overhanging plate 31 and the side of the prefabricated composite beam 10;

[0042] The outer hanging wall plate 40 is installed by using the grouting hole 32, so that the connecting piece 51 and the vertical installation hole 52 of the upper and lower layers are sealed and connected;

[0043] Synchronous grouting is performed from the grouting hole 32 and the grouting hole 53, ensuring that the wall plate and the cast-in-place structure form a whole.

[0044] In summary, the frame structure cast-in-place first and hung later system provided by the utility model comprises a prefabricated composite beam 10, a prefabricated composite plate 20, a floor structure cast-in-place layer 30 and an outer hanging wall plate 40, after the prefabricated composite beam 10 and the prefabricated composite plate 20 are installed and fixed, the floor structure cast-in-place layer 30 is poured above the prefabricated composite beam 10 and the prefabricated composite plate 20 and forms an overhanging plate 31, the overhanging plate 31 is reserved with a grouting hole 32, and the outer hanging wall plate 40 is installed between the upper and lower overhanging plates 31; the outer hanging wall plate 40 comprises two prefabricated layers 41 on the two sides and a sandwiched insulation layer 42 sandwiched between the two prefabricated layers 41, and the two prefabricated layers 41 are connected by inner and outer connecting rods 43; the top of the outer hanging wall plate 40 is provided with a plurality of connecting pieces 51, the bottom of the outer hanging wall plate 40 is provided with a vertical installation hole 52 matched with the connecting piece 51, the connecting piece 51 of the lower outer hanging wall plate 40 is inserted into the vertical installation hole 52 through the grouting hole 32, and the bottom of the outer hanging wall plate 40 is further provided with a grouting hole 53 and an exhaust hole 54. The prefabricated composite beam 10 and the prefabricated composite plate 20 are installed first, then the concrete of the layer (the floor structure cast-in-place layer 30) is poured, the outer hanging wall plate 40 is installed by using the formed overhanging plate 31, the outer hanging wall plate 40 and the floor structure cast-in-place layer 30 form a whole, the on-site installation is fast, the wet work is reduced, the construction efficiency is improved, and the construction period is shortened.

[0045] Obviously, various modifications and changes can be made to the utility model by those skilled in the art without departing from the spirit and scope of the utility model. Thus, if these modifications and changes belong within the scope of the utility model claims and their equivalents, the utility model also intends to include these modifications and changes.

Claims

1. A cast-to-stay system, characterized in that, The precast composite beam, the precast composite plate, the cast-in-place layer of the floor structure and the external wall panel are provided, After the precast composite beam and the precast composite plate are installed and fixed, the cast-in-place layer of the floor structure is poured above the precast composite beam and the precast composite plate, and an overhanging plate is formed, the overhanging plate is provided with a grouting hole, and the external wall panel is installed between the upper and lower overhanging plates. The external wall panel comprises two precast layers and a sandwich insulation layer arranged between the two precast layers, and the two precast layers are connected by inner and outer connecting rods. The top of the external wall panel is provided with a plurality of connecting pieces, the bottom of the external wall panel is provided with vertical mounting holes matched with the connecting pieces, the connecting pieces of the lower external wall panel are inserted into the vertical mounting holes through the grouting hole, and the bottom of the external wall panel is further provided with a grouting hole and an exhaust hole.

2. The cast-beam first system of claim 1, wherein, The grouting hole is a tapered hole with a large upper part and a small lower part.

3. The cast-beam-stayed system of claim 1, wherein, The precast layer is made of UHPC material.

4. The cast-beam-stayed system of claim 1, wherein, The connecting piece is a single-threaded connecting bolt.

5. The cast-beam-stayed system of claim 4, wherein, The connecting bolt is fixedly connected with the external wall panel through a connector pre-embedded in the external wall panel.

6. The cast-beam first system of claim 4, wherein, A circular rubber ring is sleeved on the connecting bolt, and the circular rubber ring is arranged between the top of the external wall panel and the grouting hole.

7. The cast-beam-stayed system of claim 1, wherein, PE rods are arranged between the top of the external wall panel and the upper overhanging plate, between the bottom of the external wall panel and the lower overhanging plate, and between the side surface of the external wall panel and the precast composite beam.

8. The cast-beam-stayed system of claim 1, wherein, High-strength grout is filled between the bottom of the external wall panel and the cast-in-place layer of the floor structure.

9. The cast-beam-stayed system of claim 1, wherein, A splicing joint is left between two left and right adjacent external wall panels, and the splicing joint is treated by glue.

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