Prefabricated pressing plate structure under basement roof post-cast strip

Abstract

The utility model discloses a basement roof post-cast strip lower prefabricated pressing plate structure, and belongs to the technical field of building foundation engineering construction.The basement roof post-cast strip lower prefabricated pressing plate structure comprises a raft foundation post-cast strip, an inverted-trapezoid-shaped groove is formed in the raft foundation post-cast strip, a cushion layer is arranged in the inverted-trapezoid-shaped groove, and an arch frame is arranged in the inverted-trapezoid-shaped groove; the device is novel in design and ingenious, after the cushion layer is poured, the prefabricated steel plate is installed, and the first galvanized steel plate, the second galvanized steel plate and the third galvanized steel plate are connected in advance through the first installation assembly and the second installation assembly, so that when the steel plates are installed on the cushion layer, a large amount of installation time can be saved, the installation efficiency is improved, and the installation cost is reduced. And meanwhile, the labor cost is reduced, the mounting effect between the steel plates is improved, and the situation that the positions between the steel plates are inaccurate and deviate due to batch mounting is not prone to occurring, so that the mounting effect and mounting efficiency of the steel plates are improved, and the practicability of the device is greatly improved.

Description

Technical Field

[0001] The present application relates to the technical field of building foundation engineering construction, and in particular to a prefabricated press plate structure under a post-cast zone of a basement top slab. Background Art

[0002] The patent with the published authorization announcement number CN217267590U discloses a prefabricated water pressure resistant plate structure under the post-cast strip of a basement raft slab, wherein a cushion layer is arranged inside the inverted trapezoidal groove excavated in the basement raft slab, a galvanized steel plate is arranged on the upper end of the cushion layer, and an asphalt waterproofing membrane is arranged on the surface of the galvanized steel plate; a protective layer is arranged on the ears on both sides of the upper end of the asphalt waterproofing membrane; a steel cage is arranged across the upper end of the protective layer; a pair of side arc cages are arranged on both sides of the central groove area of ​​the post-cast strip at the lower middle end of the steel cage, and a central arc cage is connected between the arc cages on both sides; a cushion seat is arranged in the middle of the bottom of the central groove area of ​​the post-cast strip, and a secondary drainage seat is fixed on the upper end of the cushion seat. The patent installs a prefabricated galvanized steel plate inside the post-cast strip of a traditional basement raft slab, which can effectively resist water pressure, and at the same time can better ensure the stability of the water pressure resistant structure of the post-cast strip, thereby reducing the difficulty of construction.

[0003] However, the prefabricated water-resistant plate structure under the post-cast strip of the basement raft slab in the above-mentioned patent is prone to positional displacement, inaccuracy, and inconvenience during installation because it is necessary to install multiple steel plates on the cushion layer in batches, thereby affecting the installation effect of the steel plates and further affecting the subsequent use of the steel plates.

[0004] To this end, the present application proposes a prefabricated press plate structure under the post-cast zone of the basement top slab. Utility Model Content

[0005] The present application proposes a prefabricated pressure plate structure under the post-cast strip of the basement roof to solve the problems raised in the above-mentioned background technology; after the cushion layer is poured, the prefabricated steel plates are installed, and the galvanized steel plate one, the galvanized steel plate two and the galvanized steel plate three are pre-connected through the installation component one and the installation component two, thereby, when the steel plates are installed on the cushion layer, a lot of installation time can be saved, which not only improves the installation efficiency, but also reduces the labor cost, and improves the installation effect between the steel plates, and is not prone to the situation of inaccurate position and position offset between the steel plates caused by batch installation, thereby improving the installation effect and efficiency of the steel plates, and greatly improving the practicality of the device.

[0006] In order to achieve the above purpose, this application adopts the following technical solutions:

[0007] A prefabricated pressure plate structure under the post-cast strip of the basement roof, including a raft foundation post-cast strip, an inverted trapezoidal groove is opened inside the raft foundation post-cast strip, a cushion layer is arranged inside the inverted trapezoidal groove, an arch frame is arranged inside the inverted trapezoidal groove, a steel plate assembly is fixedly connected to the top of the cushion layer, the steel plate assembly includes a galvanized steel plate 1, the galvanized steel plate 1 is fixedly connected to the top of the cushion layer, galvanized steel plates 2 are installed on both sides of the galvanized steel plate 1 and located on the top of the cushion layer, and galvanized steel plates 3 are installed on the side of the two galvanized steel plates 2 away from the galvanized steel plate 1 and located on the top of the cushion layer.

[0008] As a preferred embodiment, the galvanized steel plate 1, the two galvanized steel plates 2 and the two galvanized steel plates 3 are each provided with a mounting assembly 1, the mounting assembly 1 comprises a mounting groove, each of the mounting grooves is respectively opened inside the galvanized steel plate 1, the galvanized steel plate 2 and the galvanized steel plate 3, and the galvanized steel plate 1, the two galvanized steel plates 2 and the two galvanized steel plates 3 are each provided with a plurality of slot holes, and each of the slot holes is connected to the mounting groove;

[0009] The galvanized steel plate can effectively resist water pressure and at the same time can better ensure the stability of the water pressure-resistant structure of the post-cast strip, thereby improving the practicability of the device.

[0010] As a preferred embodiment, the interior of each of the mounting grooves is provided with a second mounting assembly, the second mounting assembly includes a mounting plate, each of the mounting plates is mounted inside the mounting groove, a plurality of anchor bolts are connected by internal threads of the two second galvanized steel plates, and one end of each anchor bolt extends to the outside of the slot hole, and a fixing piece is threadedly connected to the outside of each anchor bolt and located on a side of the mounting plate away from the slot hole;

[0011] Installation board through rigid polyurethane sheet, also called PUR sheet, is a high-performance, high-efficiency insulation material, which has excellent thermal insulation, compression and moisture resistance, and a long service life, thus improving the practicality of the device.

[0012] As a preferred embodiment, the tops of the galvanized steel sheet 1, the two galvanized steel sheets 2 and the two galvanized steel sheets 3 are fixedly connected with asphalt waterproofing coiled materials, the tops of the asphalt waterproofing coiled materials are provided with a protective component, the protective component includes a sealant, the sealant is provided on the top of the asphalt waterproofing coiled materials and is located outside the arch frame, and the top of the sealant is provided with a protective layer;

[0013] Asphalt waterproofing membrane has good weather resistance and aging resistance, can be used for more than years, and has a long service life, thus improving the practicality of the device.

[0014] As a preferred embodiment, a steel bar assembly is fixedly connected to the top of the protective layer, and the steel bar assembly includes a steel bar frame, two steel bar frames are fixedly connected to the top of the protective layer, and two water-stop steel plates are installed between the two steel bar frames;

[0015] Through the water-stop steel plate, Q235 raw material, high compressive strength, not easy to be deformed by external force during transportation, three or four meters long, convenient and fast transportation, thus improving the practicality of the device.

[0016] As a preferred embodiment, a casting assembly is arranged between the two steel bars, the casting assembly comprises a post-casting strip side casting area, the two post-casting strip side casting areas are respectively arranged between the two steel bars, and a post-casting strip central groove area is arranged inside the arch frame;

[0017] By tying the rear steel bar frame inside the raft slab and then installing the waterstop steel plate, concrete is poured in the side pouring area of ​​the post-casting strip first, and then the central groove area of ​​the post-casting strip is poured after it is stabilized to reinforce it, thereby improving the practicality of the device.

[0018] Beneficial effects of this application:

[0019] 1. A prefabricated press plate structure under the post-cast belt of the basement top plate. After the cushion layer is poured, the prefabricated steel plates are installed. The galvanized steel plate 1, the galvanized steel plate 2 and the galvanized steel plate 3 are all connected in advance through the installation component 1 and the installation component 2. Therefore, when the steel plates are installed on the cushion layer, a lot of installation time can be saved, which not only improves the installation efficiency, but also reduces the labor cost, and improves the installation effect between the steel plates. It is not easy to have the situation of inaccurate position and position offset between the steel plates caused by batch installation, thereby improving the installation effect and efficiency of the steel plates, and greatly improving the practicality of the device;

[0020] 2. The prefabricated pressure plate structure under the post-cast strip of the basement top slab, the galvanized steel plate can effectively resist water pressure, while at the same time can better ensure the stability of the water pressure resistance structure of the post-cast strip, greatly improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the interior of the device of the present application;

[0022] Figure 2 This is a schematic diagram of the connection between the steel plates of the device of this application;

[0023] Figure 3 This is a schematic diagram of the interior of the installation slot of the device of this application;

[0024] Figure 4 For this application Figure 1 Enlarged view of point A in the middle.

[0025] Numbers in the figure: 1. Raft foundation post-cast strip; 2. Inverted trapezoidal groove; 3. Pad layer; 4. Steel plate assembly; 41. Galvanized steel plate one; 42. Galvanized steel plate two; 43. Galvanized steel plate three; 5. Installation assembly one; 51. Installation groove; 52. Slot hole; 6. Installation assembly two; 61. Installation plate; 62. Anchor bolt; 63. Fixing piece; 7. Asphalt waterproof membrane; 8. Protection assembly; 81. Sealant; 82. Protective layer; 9. Arch frame; 10. Casting assembly; 101. Side casting area of ​​post-cast strip; 102. Center groove area of ​​post-cast strip; 11. Steel bar assembly; 111. Steel bar frame; 112. Water-stop steel plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0027] Reference Figure 1-4 A prefabricated plate structure under the post-cast strip of the basement top slab includes a raft foundation post-cast strip 1, an inverted trapezoidal groove 2 is opened inside the raft foundation post-cast strip 1, a cushion layer 3 is arranged inside the inverted trapezoidal groove 2, and an arch frame 9 is arranged inside the inverted trapezoidal groove 2.

[0028] Reference Figure 1-4 A steel plate assembly 4 is fixedly connected to the top of the cushion layer 3, and the steel plate assembly 4 includes a galvanized steel plate 1 41, which is fixedly connected to the top of the cushion layer 3, and galvanized steel plates 2 42 are installed on both sides of the galvanized steel plate 1 41 and located on the top of the cushion layer 3, and galvanized steel plates 3 43 are installed on the side of the two galvanized steel plates 2 42 away from the galvanized steel plate 1 41 and located on the top of the cushion layer 3; by connecting the two galvanized steel plates 3 43 with the galvanized steel plates 2 42 respectively, when the galvanized steel plates 1 41, the galvanized steel plates 2 42 and the galvanized steel plates 3 43 are connected, they can be installed on the cushion layer 3, thereby improving the installation effect of the steel plates.

[0029] Reference Figure 1-4 The galvanized steel plate 1 41, the two galvanized steel plates 2 42 and the two galvanized steel plates 3 43 are each provided with an installation component 1 5, and the installation component 1 5 includes an installation groove 51, and each installation groove 51 is respectively opened in the galvanized steel plate 1 41, the two galvanized steel plates 2 42 and the galvanized steel plates 3 43, and a plurality of slot holes 52 are opened in the galvanized steel plate 1 41, the two galvanized steel plates 2 42 and the two galvanized steel plates 3 43, and each slot hole 52 is connected to the installation groove 51; the galvanized steel plate can effectively resist water pressure, and at the same time can better ensure the stability of the water pressure resistance structure of the post-casting belt, thereby improving the practicability of the device.

[0030] Reference Figure 1-4, the interior of the mounting groove 51 is provided with a mounting component 26, the mounting component 26 includes a mounting plate 61, each mounting plate 61 is installed in the mounting groove 51, the internal threads of the two galvanized steel plates 242 are connected with a plurality of anchor bolts 62, and one end of each anchor bolt 62 extends to the outside of the slot hole 52, and the outside of each anchor bolt 62 and the side of the mounting plate 61 away from the slot hole 52 are threadedly connected with a fixing part 63; the mounting plate 61 is mounted by a hard polyurethane sheet, also called a PUR sheet, which is a high-performance and high-efficiency insulating material, which has excellent thermal insulation performance, pressure resistance and moisture resistance, and a long service life, thereby improving the practicality of the device.

[0031] Reference Figure 1-4 An asphalt waterproofing membrane 7 is fixedly connected to the top of the galvanized steel plate 1 41, two galvanized steel plates 2 42 and two galvanized steel plates 3 43. A protective component 8 is arranged on the top of the asphalt waterproofing membrane 7. The protective component 8 includes a sealant 81. The sealant 81 is arranged on the top of the asphalt waterproofing membrane 7 and is located outside the arch frame 9. A protective layer 82 is arranged on the top of the sealant 81. The asphalt waterproofing membrane 7 has good weather resistance and aging resistance, can be used for more than 20 years, and has a long service life, thereby improving the practicability of the device.

[0032] Reference Figure 1 The top of the protective layer 82 is fixedly connected with a steel bar assembly 11, and the steel bar assembly 11 includes a steel bar frame 111. The two steel bar frames 111 are fixedly connected to the top of the protective layer 82, and two waterstop steel plates 112 are installed between the two steel bar frames 111; the waterstop steel plates 112 are made of Q235 raw material with high compressive strength, and are not easily deformed due to external force during transportation. They are three or four meters long and are convenient and quick to transport, thereby improving the practicability of the device.

[0033] Reference Figure 1 , 4 A casting assembly 10 is arranged between the two steel bars 111, and the casting assembly 10 includes a post-casting strip side casting area 101. The two post-casting strip side casting areas 101 are respectively arranged between the two steel bars 111, and a post-casting strip central groove area 102 is arranged inside the arch frame 9; by tying the rear steel bars 111 in the raft slab, and then installing the water-stop steel plate 112, and then pouring the concrete in the post-casting strip side casting area 101 first, and then pouring the post-casting strip central groove area 102 after it is stable, so as to reinforce it, thereby improving the practicability of the device.

[0034] Working principle: When the device is used, an inverted trapezoidal groove 2 is opened in the post-cast strip 1 of the raft foundation. The bottom surface of the inverted trapezoidal groove 2 is flat. A cushion layer 3 is poured in the inverted trapezoidal groove 2. After the cushion layer 3 is poured, the prefabricated steel plates are installed. The galvanized steel plate 1 41, the galvanized steel plate 2 42 and the galvanized steel plate 3 43 are all pre-connected through the installation component 1 5 and the installation component 2 6. Therefore, when the steel plates are installed on the cushion layer 3, a lot of installation time can be saved, which not only improves the installation efficiency, but also reduces the labor cost and improves the installation effect between the steel plates. It is not easy to have inaccurate positions and position offsets between the steel plates due to batch installation, thereby improving the installation effect and efficiency of the steel plates.

[0035] When connecting and installing the galvanized steel plate 1 41, the galvanized steel plate 2 42 and the galvanized steel plate 3 43, first connect the galvanized steel plate 1 41 and the two galvanized steel plates 2 42, align the holes opened on the mounting plate 61 on the galvanized steel plate 1 41 with the slots 52 on the galvanized steel plate 2 42, then drive the anchor bolts 62 through the slots 52 into the galvanized steel plate 2 42, and finally fix them with the fixing parts 63. After the two galvanized steel plates 2 42 are connected to the galvanized steel plate 1 41, use the same method as above to connect the two galvanized steel plates 3 43 to the galvanized steel plates 2 42 respectively. After the galvanized steel plate 1 41, the galvanized steel plate 2 42 and the galvanized steel plate 3 43 are connected, they can be installed on the cushion layer 3 to improve the installation effect of the steel plates.

[0036] An asphalt waterproofing membrane 7 is laid on the steel plate, and a sealant 81 is injected into the asphalt waterproofing membrane 7, which is then protected by a protective layer 82.

[0037] Tie up the rear reinforcement frame 111 in the raft slab, and then install the waterstop steel plate 112. Subsequently, pour the concrete in the side pouring area 101 of the post-casting strip first, and continue to pour the central groove area 102 of the post-casting strip after it stabilizes to reinforce it. The steel plate can effectively resist water pressure, and at the same time can better ensure the stability of the water pressure resistance structure of the post-casting strip.

[0038] The above are only preferred specific implementation methods of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed in the present application according to the technical solution and utility model concept of the present application, which should be covered by the protection scope of the present application.

Claims

1. A prefabricated press plate structure under a post-cast strip of a basement top slab, comprising a post-cast strip of a raft foundation (1), characterized in that: An inverted trapezoidal groove (2) is provided inside the post-cast strip (1) of the raft foundation, a cushion layer (3) is provided inside the inverted trapezoidal groove (2), an arch frame (9) is provided inside the inverted trapezoidal groove (2), a steel plate assembly (4) is fixedly connected to the top of the cushion layer (3), the steel plate assembly (4) comprises a galvanized steel plate 1 (41), the galvanized steel plate 1 (41) is fixedly connected to the top of the cushion layer (3), galvanized steel plates 2 (42) are installed on both sides of the galvanized steel plate 1 (41) and located on the top of the cushion layer (3), and galvanized steel plates 3 (43) are installed on the side of the two galvanized steel plates 2 (42) away from the galvanized steel plate 1 (41) and located on the top of the cushion layer (3); The galvanized steel plate one (41), the two galvanized steel plates two (42) and the two galvanized steel plates three (43) are each provided with a mounting component one (5), the mounting component one (5) comprising a mounting groove (51), each of the mounting grooves (51) being respectively opened inside the galvanized steel plate one (41), the two galvanized steel plates two (42) and the three galvanized steel plates (43), and the galvanized steel plate one (41), the two galvanized steel plates two (42) and the two galvanized steel plates three (43) are each provided with a plurality of slot holes (52), and each of the slot holes (52) is connected to the mounting groove (51).

2. The prefabricated press plate structure under the post-cast zone of the basement top slab according to claim 1 is characterized in that: The interior of the installation groove (51) is provided with an installation component 2 (6), and the installation component 2 (6) includes a mounting plate (61). Each of the mounting plates (61) is installed in the interior of the installation groove (51). The interiors of the two galvanized steel plates 2 (42) are threadedly connected with a plurality of anchor bolts (62), and one end of each anchor bolt (62) extends to the outside of the slot hole (52). The outside of each anchor bolt (62) and located on a side of the installation plate (61) away from the slot hole (52) is threadedly connected with a fixing member (63).

3. The prefabricated press plate structure under the post-cast zone of the basement top slab according to claim 1 is characterized in that: The tops of the galvanized steel plate 1 (41), the two galvanized steel plates 2 (42) and the two galvanized steel plates 3 (43) are fixedly connected with an asphalt waterproofing coiled material (7); a protective component (8) is arranged on the top of the asphalt waterproofing coiled material (7); the protective component (8) comprises a sealant (81); the sealant (81) is arranged on the top of the asphalt waterproofing coiled material (7) and is located outside the arch frame (9); a protective layer (82) is arranged on the top of the sealant (81).

4. The prefabricated press plate structure under the post-cast zone of the basement top slab according to claim 3 is characterized in that: A steel bar assembly (11) is fixedly connected to the top of the protective layer (82), the steel bar assembly (11) comprising a steel bar frame (111), two steel bar frames (111) are fixedly connected to the top of the protective layer (82), and two water-stop steel plates (112) are installed between the two steel bar frames (111).

5. The prefabricated press plate structure under the post-cast zone of the basement top slab according to claim 4 is characterized in that: A casting assembly (10) is arranged between the two steel bars (111), the casting assembly (10) comprising a post-casting strip side casting area (101), the two post-casting strip side casting areas (101) are respectively arranged between the two steel bars (111), and a post-casting strip central groove area (102) is arranged inside the arch frame (9).

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