Multi-supporting post anti-floating box body for cast-in-place concrete hollow floor slab

Pending Publication Date: 2020-09-08
王勇
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AI-Extracted Technical Summary

Problems solved by technology

[0004] The built-in box of the traditional cast-in-place beamless hollow floor slab needs to be installed in the middle of the reinforced concrete of the hollow slab during construction. Therefore, it is required to arrange, install and fix the box according to the drawing requirements after the bottom reinforcement is laid. At the same time, pads are set on the four feet of each box, and each built-in box is bound to the bottom ...
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Abstract

The invention relates to a multi-supporting post anti-floating box body for a cast-in-place concrete hollow floor slab. The box body comprises a box body A; the box body A is of a cubic groove type structure; at least two supporting posts which are perpendicular to the bottom surface are uniformly distributed in the box body A; *-shaped reinforcing ribs with exhaust holes are arranged on the bottom surface of the box body A; exhaust holes are uniformly distributed among the reinforcing ribs on the bottom surface of the box body A; vertical reinforcing ribs with exhaust holes are arranged on each of the four side surfaces of the box body A; the upper ends of the side surfaces of the box body A are provided with circumferential fixed edges; and supporting leg mounting holes are vertically formed in the four vertex angles of the box body A. The multi-supporting post anti-floating box body for the cast-in-place concrete hollow floor slab is simple and reasonable in structure; the thicknessof the box body can be combined randomly; meanwhile, the height of the box body from the bottom plate can be adjusted randomly by inserting supporting legs; the labor intensity is low; the cost is low; the construction progress is fast; and the quality is easy to control.

Application Domain

Floors

Technology Topic

Hollow coreFloor slab +3

Image

  • Multi-supporting post anti-floating box body for cast-in-place concrete hollow floor slab
  • Multi-supporting post anti-floating box body for cast-in-place concrete hollow floor slab
  • Multi-supporting post anti-floating box body for cast-in-place concrete hollow floor slab

Examples

  • Experimental program(1)

Example Embodiment

[0027] By the attachment figure 1 , 2 As shown: the multi-pillar anti-floating box includes a box body A, which is characterized in that: the box body A has a cubic trough structure, and at least two pillars 1 perpendicular to the bottom surface are uniformly distributed inside the box body A , The bottom surface of the box body A is machined with a rice-shaped rib 2 with exhaust holes 9; the bottom surface of the box body A is evenly arranged with exhaust holes 9 between the ribs. Both sides are processed with vertical reinforcement ribs 3 with vent holes 9, the upper end of the side of the box body A is provided with a circumferential fixed edge 4, and the four top corners of the box body A are vertically processed with supports Leg mounting hole 5.
[0028] By the attachment image 3 As shown: the multi-pillar anti-floating box body also includes a box body heightening section D6. The box body heightening section D6 is set on the end surface of the box body during assembly. The box body heightening section D6 is a rectangular frame structure with a circle on the top and bottom. Shaped connection fixed edge 6-1, with vertical heightening rib 6-2 on the side, multiple heightening pillars 6-3 and connecting ribs 6-4 in the middle position, heightening pillars 6-3 through connecting ribs 6-4 Connected to the frame of the box body heightening section D, the connecting fixed edge 6-1, the vertical heightening rib 6-2, the heightening pillar 6-3 and the connecting rib 6-4 are respectively connected to the pillar 1, the vertical reinforcing rib 3 and The number of fixed edges 4 matches the size.
[0029] By the attachment Figure 4 As shown: the multi-pillar anti-floating box body also includes an upper cover plate E7. When in use, the upper cover plate E7 is combined with the box bodies A, B, and C of different heights to form various forms of box structure.
[0030] By the attachment Image 6 , 7 , 8: The multi-pillar anti-floating box of the present invention can be assembled into A\A, A\B, A\C, A\D\A, A\D\B, A\D\C, A\E, B\E, C\E, A\D\D\B and other forms of boxes of different sizes, of which the box body A (height 200mm) and box body A can be assembled to form a box with a height of 400mm; Body A and box body B (height 150mm) can be assembled to form a box with a height of 350mm; box body B and box body B can be assembled to form a box with a height of 350mm; box body A and box body C (height 50mm) After assembly, a box with a height of 250mm can be formed; each box body A, B, C can also add a box heightening section 6 in the middle to achieve different box height changes ( Figure 8 Shown).
[0031] Such as Picture 9 As shown: the multi-pillar anti-floating box of the present invention can also be assembled into the form of A (or B or C)\D\E, that is, the box body A or B or C is assembled with the upper cover E to form different forms of multiple Pillar anti-floating box body.
[0032] Such as figure 1 Shown: the present invention uses the male and female paired lock connection method to realize the above-mentioned multiple new-style multi-pillar anti-floating box body assembly. The mark 11 in the figure indicates the male and female paired locks. figure 1 Only the structure with male and female paired locks 11 in the box bodies A, B, and C are given in the box body. The male and female paired locks 11 are arranged on the upper circumferential fixed edge 4 of the side of the box body to increase the height. D and the upper cover E can also adopt the structure of the male and female pair of the lock buckle 11 for connection, which will not be described here.
[0033] By the attachment Figure 5 , 7 8. Shown in 8: When the present invention is used for on-site construction and pouring of the cast-in-place concrete hollow floor slab, the upper and lower box bodies are buckled to realize the assembly of one box body.
[0034] By the attachment Picture 10 , 11 , 12, 13, 14: Arrange, install and fix the assembled box according to the requirements of the drawings during construction. The four top corners below the box are used as supporting legs 8 ( Picture 10 Shown) Insert the support leg mounting holes 5, and the height of each box can be adjusted by the length of the four top corners of the steel support legs 8 and the depth of the inserting support leg mounting holes 5.
[0035] The four supporting legs 8 on the four opposite corners of the four box bodies A are fitted in the four corner holes of the horizontal limit supports 11 to achieve fixation and limit. The horizontal limit supports 12 are four The top corner is fixedly connected to a corner of the adjacent box to realize the horizontal limit between the boxes.
[0036] by Figure 16 Shown: the vent hole 9 on the bottom surface of the box body A is supplemented with a dense thin mesh cloth 10, the function of the dense thin mesh cloth 10 is to exhaust air while reducing the occurrence of a large amount of concrete pouring leakage .
[0037] by Figure 15 As shown: the horizontal limit support 12 can also be assembled by four independent horizontal support rods 13 to realize the horizontal limit between the boxes.
[0038] The multi-pillar anti-floating box can be manufactured by using polyester conforming material manufacturing, plastic molding, and metal sheet press molding processes. Each individual box body can also be equipped with a thin plate with a certain strength and fixedly fixed to the circumferential fixed edge of the box body to form a closed box.
[0039] When the present invention is assembled into the above-mentioned multi-pillar anti-floating box with multiple different structural forms, sound insulation materials can be added to the box to realize the sound insulation effect of cast-in-place hollow floor slabs, which is also one of the advantages of the present invention.

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