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Shallow subgrade construction equipment and construction method

A technology for construction equipment and roadbed, which is applied in the processing of building materials, construction, building construction, etc., can solve the problems of inability to guarantee the construction quality of concrete at nodes, concrete quality accidents at nodes, waste of high-grade concrete, etc. Ensuring construction quality and firm fixation

Inactive Publication Date: 2021-12-28
重庆中航建设(集团)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this stage, the construction method of formwork combined with steel wire mesh cannot guarantee the construction quality of the joint concrete, and the concrete at the beam-column joints is prone to segregation, resulting in waste of high-grade concrete and quality accidents at the joints

Method used

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  • Shallow subgrade construction equipment and construction method
  • Shallow subgrade construction equipment and construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1 Shallow subgrade construction equipment

[0021] Shallow roadbed construction equipment, comprising a rectangular capsule 1, the rectangular capsule 1 includes an inner layer and an outer layer, the inner layer is a rubber layer, the outer layer is a reinforced protective layer of polyester fiber cloth, the inner layer and the outer layer are Hot press vulcanization treatment and cementation as a whole, one-time molding, inflation pressure can reach 0.03MPa, the center of the upper surface of the rectangular capsule 1 is provided with an airbag opening 4, and the upper surface of the rectangular capsule 1 is sunken inward to form an upper positioning area 2 , the lower surface of the rectangular capsule 1 protrudes outwards to form a lower positioning portion 3, there are two upper positioning areas 2 and two lower positioning portions 3, two upper positioning areas 2 and two The lower positioning parts 3 are arranged on both sides of the airbag opening 4, ...

Embodiment 2

[0022] The construction method of embodiment 2 shallow subgrade construction equipment

[0023] Include the following steps:

[0024] S1. Empty the gas in the rectangular capsule 1 before construction;

[0025] S2. According to the situation, multiple rectangular capsules 1 can be stacked, spliced ​​and placed at the beam end section that needs to be isolated, and then start to inflate. During the inflation process, the gas enters the air chamber 9, and the horizontal strut 8 is pushed out, so that the corresponding The adjacent rectangular capsule 1 is pressed against and fixed, and after continuing to inflate to the specified pressure, the lower positioning part 3 of the rectangular capsule 1 above and the upper positioning area 2 of the rectangular capsule 1 below are snapped together to form a solidly fixed;

[0026] S3. Use the beam body stirrups, pull hooks and side formwork to pull the bolts to make the rectangular capsule body 1 closely adhere to the beam formwork to...

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Abstract

The present invention relates to the field of road construction, in particular to shallow roadbed construction equipment and a construction method, comprising a rectangular capsule, the upper surface of the rectangular capsule is sunken inward to form an upper positioning area, and the lower surface of the rectangular capsule is protruded outward to form a lower positioning portion. The upper part of the rectangular capsule body is provided with an airbag port, the airbag port is connected with a trachea, a capsule support box is arranged in the rectangular capsule body, a piston is arranged in the capsule body support box, one side of the piston is connected with a horizontal strut, and the outer portion of the horizontal strut The end passes through the capsule support box, and an air chamber is formed between the other side of the piston and the inner wall of the capsule support box, and the air chamber communicates with the trachea. Compared with the prior art, the present invention has a simple structure and is easy to use. Multiple rectangular capsules can be used in conjunction with each other to form a whole, which can effectively ensure the construction quality of the joint concrete in the areas where the two sides and the bottom of the beam cannot be bound; It can ensure the stability of the cement slurry when the beams and columns are constructed in stages with different strength concrete.

Description

technical field [0001] The invention relates to the field of road construction, in particular to shallow roadbed construction equipment and a construction method. Background technique [0002] Subgrade refers to a belt-shaped structure built according to the route position and certain technical requirements as the foundation of the road surface. It is a linear structure built with soil or stone. When the roadbed is damaged by weather, hydrological conditions, human activities and geological movements, etc., it will lose the solidity, stability and durability that the roadbed should have, resulting in the need for frequent maintenance of the roadbed, which is time-consuming and labor-intensive, resulting in the loss of human resources. Waste increases the capital expenditure of roadbed maintenance, hinders traffic and use, and the stability of roadbed is directly related to whether roads and railways can be used normally. At present, in the construction process of constructi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G21/02E04G21/06E04B1/20E04B1/21
CPCE04G21/02E04G21/063E04B1/20E04B1/21
Inventor 赖文友郑小军周斌
Owner 重庆中航建设(集团)有限公司
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