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Prefabricated slab for sealing outer side of post-cast strip and construction method of prefabricated slab

A construction method and technology of prefabricated slabs, applied in artificial islands, water conservancy projects, infrastructure projects, etc., can solve the problems of large organization and coordination workload, heavy workload, and long cycle, so as to reduce the total construction period and save construction costs Effect

Pending Publication Date: 2018-06-26
华新建工集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional method of closing the outer brick wall of the post-casting belt has the characteristics of heavy workload, many construction procedures, long cycle, multi-type cooperation, large organization and coordination workload, and high cost.
Therefore, there is still a lot of room for structural optimization and construction method simplification of the pre-closed engineering outside the post-casting belt of the basement exterior wall of the building structure.

Method used

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  • Prefabricated slab for sealing outer side of post-cast strip and construction method of prefabricated slab
  • Prefabricated slab for sealing outer side of post-cast strip and construction method of prefabricated slab
  • Prefabricated slab for sealing outer side of post-cast strip and construction method of prefabricated slab

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] refer to Figure 1 to Figure 3 , the present invention proposes a prefabricated slab for closing the outer side of the basement shear wall post-casting belt, the upper end of the prefabricated slab includes a notch, and the lower end opposite to the upper end includes a convex Starting part, in the sealing construction of the basement shear wall post-casting belt, multiple prefabricated prefabricated panels are connected and fixed together through the notches and raised parts that cooperate with each other, and the post-casting belt is sealed in advance, so as not to affect Subsequent construction process. In this embodiment, the prefabricated board is a square board, preferably a concrete board. Specifically, a cuboid with a length of 1000 cm, a width of 800 cm, and a thickness of 60 cm is taken as an example to illustrate the prefabricated board of the present invention.

[0037] Such as figure 1 with figure 2 As shown, the prefabricated panel of the present inven...

Embodiment 2

[0043] refer to Figure 5 , the present invention also provides a kind of construction method that is used for the prefabricated slab of embodiment 1 before sealing and pouring back belt construction method, and this construction method comprises the following steps:

[0044] The lower part of the post-casting belt is supported with an independent formwork and support system;

[0045] Concrete pouring on both sides of the post-pouring belt forms a recess that matches the prefabricated slab;

[0046] Install the first prefabricated slab;

[0047] The prefabricated board is positioned in the concave part of the walls 7 on both sides of the post-casting belt through the second raised part 6;

[0048] Deduct the sealing compound in the first groove part 5 of the prefabricated slab and fix the embedded part 4 and the steel bar in the post-casting tape;

[0049] The second prefabricated slab is positioned on the first prefabricated slab by matching the first steel bar 31 with the...

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Abstract

The invention discloses a prefabricated slab for sealing the outer side of a post-cast strip and a construction method of the prefabricated slab. The prefabricated slab comprises a notch part formed at the upper end, a first protrusion part formed at the lower end and matched with the notch part, and at least one second protrusion part arranged on the two sides. The prefabricated slab is further internally provided with an embedded part, a first steel bar, a second steel bar, and a first groove, wherein the first steel bar and the second steel bar are crossed, and the first groove correspondsto the embedded part in position. The notch part comprises a first wall and a second wall connected with the first wall. The first steel bar protrudes from the first wall and is flush with the upper end face of the prefabricated slab. A second groove is formed in the position, corresponding to the first steel bar, of the first protrusion part. By means of the prefabricated slab and the construction method thereof, waterproofing construction of an outer wall of a basement and earthwork backfilling work are conducted before pouring construction of the post-cast strip, the total construction timecan be greatly shortened, and the construction cost is reduced.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a prefabricated panel used for sealing the outside of a post-casting belt of a basement exterior wall and a construction method thereof. Background technique [0002] The post-cast belts of the main building and skirt building, and the main building and the garage are designed to be post-settled poured belts. Due to functional requirements, the post-settled poured belts can only be closed after the main building is capped for a period of time and the settlement of the main building is stable. In terms of construction technology, the disconnected structure of the post-pouring belt will affect the waterproof construction of the exterior wall, that is, it will affect the development of follow-up work. How to seal the outside of the post-pouring belt becomes the key. Setting the post-pouring belt during construction is too long. In buildings, joints with a width of 700 ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D29/16
CPCE02D29/16
Inventor 沙峰峰杨红玉吴志强戴世龙王崴冯苏明
Owner 华新建工集团有限公司