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A construction method of strip foundation

A strip foundation and construction method technology, applied in the direction of infrastructure engineering, construction, etc., can solve the problems of affecting the construction progress of the project, low manual work efficiency, and slow progress of the project, so as to achieve high construction efficiency, reduce construction costs, avoid The effect of wasted labor

Active Publication Date: 2020-12-18
CHONGQING ZHONGKE CONSTR GROUP
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

The low efficiency of manual work and high labor intensity, coupled with the current shortage of labor in the construction industry, lead to slow progress of the project and seriously affect the construction progress of the project

Method used

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  • A construction method of strip foundation

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Embodiment 1

[0032] Example 1 Shandong Water Margin Hometown Tourist Distribution Center Project

[0033] Shandong Water Margin Hometown Tourist Distribution Center project consists of three commercial areas A, B and C, poverty alleviation residential buildings, Evergrande Vocational and Technical College and Evergrande National Middle School. The total land area is about 154369.4m 2 , with a construction area of ​​approximately 681.562 million m 2 . The number of floors in the commercial area is 2-3 floors, the height of the first floor is 4-5.4m, the height of the second floor is 4-6.7m, the building height is about 20m, the structural form is frame structure, and the foundation form is single foundation and strip foundation . The strip foundation is constructed according to the following construction methods:

[0034] 1. Site leveling

[0035] Before leveling the site, remove trees and construction waste on the ground. Use the grid to calculate the construction elevation, excavati...

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Abstract

The invention relates to a construction method of a strip foundation. The construction method comprises the following steps of (1) removing sundries from a construction area; (2) spreading lime so asto form rectangular frames corresponding to each pile position according to a design drawing, wherein the shape enclosed by the rectangular frames adapts to the profile of the strip foundation; (3) calculating the construction capacity of earthwork according to the design drawing, and calculating the number of incoming machinery; (4) digging holes at intervals in the length direction of the rectangular frames corresponding to the center of the width of the rectangular frames in the step (2), wherein a drill of a pile machine is vertical downwards during hole digging, the diameter of each holeis larger than the width of the rectangular frames by 50 mm, and the overlapped distance between adjacent holes is larger than or equal to 50 mm, so that a rectangular closed slot is obtained; (5) digging empty earthwork in the closed slot in the step (4) by using an excavator after the holes are dug so as to obtain a foundation trench, correcting the level and coordinates of the foundation trench, removing capping mass of the foundation trench, and manually flattening; and (6) pouring a cushion of the foundation trench so as to obtain the strip foundation.

Description

technical field [0001] The invention relates to the field of construction engineering, in particular to a construction method for strip foundations. Background technique [0002] The development of the construction industry has prompted the rapid development of construction technology. According to different building types, specific construction environments and other factors, it has become a major trend in the development of the construction industry to comprehensively consider and select the most appropriate construction method. For the excavation of the strip foundation, especially the strip foundation with a depth of less than 5m, the commonly used construction method is manual digging. The low efficiency of manual work and high labor intensity, coupled with the current shortage of labor in the construction industry, lead to slow progress of the project and seriously affect the construction progress of the project. Contents of the invention [0003] The object of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D27/00
CPCE02D27/00
Inventor 葛洪军杜清泽石本竹胡茜何世昌袁忠海
Owner CHONGQING ZHONGKE CONSTR GROUP
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