Post-cast strip supporting structure and construction method thereof

A support structure and construction method technology, applied in the field of building support, can solve the problems of post-cast belt damage, inadequate management, long construction period, etc., and achieve the effects of saving construction period and labor, facilitating chisel cleaning, and improving turnover efficiency

Pending Publication Date: 2020-01-17
JIANGSU SUZHONG CONSTR GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned existing technical solutions have the following defects: the current construction codes and standards all emphasize that the formwork of the post-cast belt should be supported separately, and must not be loosened and dismantled before the concrete pouring and maintenance of the post-cast belt, but in the actual construction process, the post-cast belt The formwork is not easy to support alone, or it is difficult to ensure that it will not loosen in the later stage, or secondary support is required; in the erection of traditional steel pipe scaffolding, the formwork system is often reserved due to a long construction period or inadequate management, causing damage to the post-casting belt and destroying the structure The form of force will cause cracks, so it needs to be improved

Method used

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  • Post-cast strip supporting structure and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A construction method for a post-cast belt support structure, comprising the following steps:

[0043] S01: material selection, select materials for the support tube 1 and the head plate 2 according to the actual situation;

[0044] Among them, the support pipe 1 selects a large-diameter steel pipe with a diameter of 200mm and a wall thickness of 3mm and a large-diameter steel pipe with a diameter of 100mm and a wall thickness of 3mm, and the head plate 2 selects a steel plate with a specification of 250*250 and a thickness of 10mm and 150 *150 gauge steel plate with a thickness of 10mm;

[0045] The selected material is tested by a vernier caliper, and the wall thickness deviation of the support tube 1 is ±12.5%; the raw material is re-inspected on site, and can only be used if it is qualified.

[0046] S02: Determine the position, calculate the position of the pre-embedded support pipe 1 through field investigation, set a support pipe 1 with a diameter of 200mm at th...

Embodiment 2

[0056] A post-cast belt support structure, refer to figure 1 , including several different types of support tubes 1, the two ends of the support tube 1 are welded with head plates 2; the support tube 1 is respectively selected from a large-diameter steel pipe with a diameter of 200 mm and a wall thickness of 3 mm and a steel pipe with a diameter of 100 mm and a wall thickness of 3 mm. For the large-diameter steel pipe, the head plate 2 is selected from a steel plate with a specification of 250*250 and a thickness of 10 mm and a steel plate with a specification of 150*150 and a thickness of 10 mm.

[0057] The support tube 1 is symmetrically provided with lifting lugs 3, and the two lifting lugs 3 are welded with hoops 4, the lifting lugs 3 are located on the outer wall of the hoops 4, the hoops 4 are set on the support tube 1, and the hoops 4 It is arranged as a gap fit with the support tube 1, and the edge of the hoop 4 is sleeved with a protective strip 41. The protective st...

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Abstract

The invention relates to a post-cast strip supporting structure and a construction method thereof. The method includes the steps that a supporting pipe and head sealing plates are selected according to the actual situations; the position of the pre-buried supporting pipe is obtained through calculation; the head sealing plates are welded to the two ends of the supporting pipe for opening sealing;positioning is performed on a beam bottom plate, the position of a concrete supporting column is determined, and paying-off and holing are performed on the beam bottom; after supporting is finished onthe beam bottom plate of an on-site structure, the supporting pipe is lifted for positioning and installation; and final random check is performed on on-site installation. By means of the post-cast strip supporting structure and the construction method thereof, the post-cast strip supporting effect is improved, the construction period is short, and cyclic utilization is allowed at the later stage.

Description

technical field [0001] The invention relates to the technical field of building support, in particular to a post-cast belt support structure and a construction method thereof. Background technique [0002] The post-pouring strip is to prevent harmful cracks that may occur in the cast-in-place reinforced concrete structure due to uneven temperature and shrinkage during construction. According to the requirements of the design or construction specifications, temporary construction joints are left at the corresponding positions of the foundation floor, walls, and beams. The structure is temporarily divided into several parts, and after a certain period of time, the construction joint concrete is poured and tamped after the internal shrinkage of the components to connect the structure into a whole. [0003] The Chinese patent with the existing publication number CN106996190A provides a post-casting tape formwork and a post-casting tape pouring method, including the post-casting ...

Claims

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Application Information

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IPC IPC(8): E04G11/50
CPCE04G11/50
Inventor 缪平焦远俊许馨文冯玉韬薛健丰徐海洋
Owner JIANGSU SUZHONG CONSTR GROUP
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