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Horizontal steel bar planting structure and construction method

A rebar-planting and horizontal technology, applied in building construction, construction, and building materials processing, etc., can solve the problems of mismatched design service life of permanent concrete structures, poor durability of chemical rebars, etc.

Inactive Publication Date: 2021-07-06
SHANGHAI URBAN CONSTR DESIGN RES INST GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, when the planting bar is exposed to the outdoor environment for a long time, and repeatedly experiences the alternating wet and dry environment, and directly bears a large load, the durability of the chemical planting bar is slightly worse, and it does not match the design life of the permanent concrete structure.

Method used

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  • Horizontal steel bar planting structure and construction method
  • Horizontal steel bar planting structure and construction method

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Embodiment

[0031] like figure 1 and figure 2 As shown, the horizontal bar planting structure includes implanted steel bars 1 and horizontal bar planting channels 2; the bar planting channel 2 is a blind hole, including an open end and a closed end.

[0032] Wherein, the part near the opening end of the planting reinforcement channel 2 is a horizontal straight section 3 with constant aperture, and the part near the closed part is a wedge-shaped reaming and widening section 4 with gradually larger aperture;

[0033] The opening end is set on the bar-planting base structure 5; the bar-planting base structure 5 is provided with a sealing cover 6 with a grouting port 8 and a grouting port 9;

[0034] The central position of the sealing cover 6 of the grouting port is provided with a planting reinforcement insertion hole 7;

[0035] The grouting port sealing cover 6 is provided with a grouting port 8 and a grouting port 9 on the top side;

[0036] The heights of the grouting port 8 and the...

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Abstract

The invention discloses a horizontal steel bar planting structure and a construction method. The horizontal steel bar planting structure comprises a planting steel bar and horizontal planting steel bar hole channels, the parts, close to the open ends, of the steel bar planting hole channels are horizontal equal-straight sections with an unchanged hole diameter, and the parts close to the closed ends are wedge-shaped chambering widening sections with a gradually increased hole diameter, the opening ends are arranged on a planting steel bar base body structure, a sealing cover with a grouting opening and a grout outlet is arranged on the planting steel bar base body structure, a planting steel bar inserting hole is formed in the center position of the grouting opening sealing cover, and a gap between the planting steel bar and the planting steel bar hole channel is filled by injecting a non-shrinkage cement-based grouting material in a pressing manner. During construction, the steel bar planting hole channel is drilled firstly, and the inner surface of the steel bar planting hole channel is wetted; then, the grouting opening sealing cover is arranged, and planting steel bar is inserted; and the non-shrinkage cement-based grouting material is pressed from the grouting opening to be full, and after initial setting, the sealing opening of the grouting opening and redundant slurry are detached. The horizontal steel bar planting structure has good anchoring performance, durability and operability, and the anchoring performance is ensured on the premise that grouting compactness is ensured.

Description

technical field [0001] The invention relates to the technical field of horizontal bar planting for buildings, in particular to a horizontal bar planting structure and a construction method. Background technique [0002] In the prior art, when the horizontal reinforcement is planted on the concrete structure, the post-anchoring of the reinforcement is usually carried out by means of chemical reinforcement. [0003] However, when the planted bars are exposed to the outdoor environment for a long time, and are repeatedly subjected to alternating dry and wet environments, and directly bear large loads, the durability of the chemically planted bars is slightly worse, which does not match the design life of the permanent concrete structure. [0004] Therefore, based on the good anchoring performance and durability of cement-based grouting materials, on the premise of ensuring the compactness of the grouting materials in a convenient construction operation mode, how to ensure that ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G21/12E04G21/02
CPCE04G21/12E04G21/02
Inventor 陆元春沙丽新李文治唐祖宁陈雄潘路杰卢兴黄自杰颜轶航高达文
Owner SHANGHAI URBAN CONSTR DESIGN RES INST GRP CO LTD
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