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Formwork construction method for large-diameter cylinder and beam joints

A construction method and large-diameter technology, which is applied in the field preparation of formwork/formwork/work frame, building components, construction, etc., can solve unfavorable process control, easy deformation in support and pouring process, and difficulty in formwork support And other issues

Active Publication Date: 2019-03-12
天津住宅集团建设工程总承包有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In column construction, column formwork support is often a difficult point in construction, especially for formwork support of large-diameter (column diameter is usually greater than or equal to 2.1 meters) columns, it is difficult to support formwork at the joints between columns and roof beams, and wooden formwork is usually used The overall processing is carried out for support, and the entire formwork is processed into a circle. Due to the stress in the formwork, deformation is prone to occur during the support and pouring process, which is not conducive to process control

Method used

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  • Formwork construction method for large-diameter cylinder and beam joints
  • Formwork construction method for large-diameter cylinder and beam joints
  • Formwork construction method for large-diameter cylinder and beam joints

Examples

Experimental program
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Effect test

Embodiment 1

[0024] (1) Prepare cylindrical formwork 1, described cylindrical formwork 1 is formed by the splicing of many 5cm wide wood strips, on the inwall of described cylindrical formwork 1, be fixed with 3mm thick iron lining 2, described iron lining The upper end is aligned with the cylindrical formwork 1, and the lower end protrudes from the cylindrical formwork 5 cm. On the cylindrical formwork 1, there are multiple ring-shaped wooden splints 3 arranged at intervals up and down. The inner diameter of the cylindrical formwork 1 is consistent with the inner diameter of the large-diameter cylinder;

[0025] (2) Bundle the cylindrical steel bars at the joints between the large-diameter cylinder and the beam, and the beam steel bars of the front and rear main beams 6 and the left and right secondary beams 7 that intersect with the column, and then install the cylindrical steel formwork outside the cylindrical steel bars respectively, and install them on the main beam 6 Rectangular beam ...

Embodiment 2

[0031] (1) prepare cylindrical formwork 1, described cylindrical formwork 1 is formed by the splicing of many 7cm wide wood strips, on the inwall of described cylindrical formwork 1, be fixed with 2mm thick iron lining 2, described iron lining The upper end is aligned with the cylindrical formwork 1, and the lower end stretches out from the cylindrical formwork 8cm. On the cylindrical formwork 1, there are multiple ring-shaped wooden splints 3 arranged at intervals up and down. The inner diameter of the cylindrical formwork 1 is consistent with the inner diameter of the large-diameter cylinder;

[0032] (2) Bundle the cylindrical steel bars at the joints between the large-diameter cylinder and the beam, and the beam steel bars of the front and rear main beams 6 and the left and right secondary beams 7 that intersect with the column, and then install the cylindrical steel formwork outside the cylindrical steel bars respectively, and install them on the main beam 6 Rectangular be...

Embodiment 3

[0038] (1) Prepare cylindrical formwork 1, described cylindrical formwork 1 is formed by the splicing of many 8cm wide wooden strips, on the inwall of described cylindrical formwork 1, be fixed with 2mm thick iron lining 2, described iron lining The upper end is aligned with the cylindrical formwork 1, and the lower end protrudes from the cylindrical formwork 7 cm. On the cylindrical formwork 1, there are multiple ring-shaped wooden splints 3 arranged at intervals up and down. The inner diameter of the cylindrical formwork 1 is consistent with the inner diameter of the large-diameter cylinder;

[0039] (2) Bundle the cylindrical steel bars at the joints between the large-diameter cylinder and the beam, and the beam steel bars of the front and rear main beams 6 and the left and right secondary beams 7 that intersect with the column, and then install the cylindrical steel formwork outside the cylindrical steel bars respectively, and install them on the main beam 6 Rectangular bea...

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Abstract

The invention discloses a construction method for cylinder with large diameter and bean joint assembly template. The method comprises the following steps of preparing a cylinder template; binding cylinder reinforcing bars on cylinder with large diameter and bean joint, front and rear main beams intersected with the cylinder, and beam reinforcing bars of the left and right secondary beams; installing cylinder steel templates at outside of the cylinder reinforcing bars correspondingly, and installing rectangular beam templates at the outside of beam reinforcing bars at the place of main beam and secondary beam correspondingly; arranging sponge bars around the top and bottom of the cylinder template correspondingly, inserting a iron sheet lining stretched from the lower portion of the cylinder template downward to an inner hole of the cylinder template and combining the two closely; installing a beam to beam arcuate template sharing the same height with the main beam on the top surface of cylinder template and between the main beam and the secondary beams correspondingly, and installing beam bottom arcuate template between the bottom of two secondary beams and the top surface of the cylinder template. According to the method, the tightness of the templates is guaranteed, and grout leakage and the like are avoided.

Description

technical field [0001] The invention relates to a formwork construction method for a beam-column joint, in particular to a formwork construction method for a large-diameter cylinder and a beam joint. Background technique [0002] In column construction, column formwork support is often a difficult point in construction, especially for formwork support of large-diameter (column diameter is usually greater than or equal to 2.1 meters) columns, it is difficult to support formwork at the joints between columns and roof beams, and wooden formwork is usually used The overall processing is carried out for support, and the entire formwork is processed into a circle. Due to the stress in the formwork, deformation is prone to occur during the support and pouring process, which is not conducive to process control. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a formwork construction method for lar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/21E04G13/02E04G13/04
CPCE04B1/21E04G13/021E04G13/028E04G13/04
Inventor 刁晓翔孟令军方喆刁宁扈超
Owner 天津住宅集团建设工程总承包有限公司