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Annular-section rock foundation suitable for mountainous area and construction method of annular-section rock foundation

A ring-shaped cross-section and foundation technology, applied in infrastructure engineering, construction, etc., can solve the problems of high construction safety hazards, complex construction methods, and low degree of mechanization, so as to reduce construction risks, reduce the amount of foundation concrete, and facilitate transportation.

Pending Publication Date: 2021-12-14
NORTH CHINA POWER ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] In order to solve the above problems, the present invention provides a circular section rock foundation suitable for mountainous areas and its construction method, which solves the problems of difficulty in foundation pit excavation, complex construction methods, high construction safety hazards, low degree of mechanization, and poor economic efficiency. The problem

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  • Annular-section rock foundation suitable for mountainous area and construction method of annular-section rock foundation
  • Annular-section rock foundation suitable for mountainous area and construction method of annular-section rock foundation
  • Annular-section rock foundation suitable for mountainous area and construction method of annular-section rock foundation

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Embodiment Construction

[0035] Such as Figure 1 to Figure 3 As shown, it is a structural schematic diagram of a circular section rock foundation suitable for mountainous areas provided by the present invention, which is set on the ground surface 1 and includes a foundation circular column 2, a concrete solid column 3 and anchor bolts 4.

[0036] The base annular cylinder 2 is located below the ground surface 1, the outer contour shape of the foundation annular cylinder 2 can be circular or square, and the concrete solid cylinder 3 is embedded in the solid cylinder between the foundation annular cylinder 2 and the ground surface 1 In the foundation pit 5, and located directly above the foundation annular cylinder 2, the concrete solid cylinder 3 can have a circular or square cross-sectional shape, and its length is subject to the anchoring length of the anchor bolts, which is about 1.0-1.5m . The width of the concrete solid cylinder 3 is greater than or equal to the width of the basic annular cylind...

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Abstract

The invention discloses an annular-section rock foundation suitable for a mountainous area and a construction method of the annular-section rock foundation. The annular-section rock foundation comprises a ground surface, a foundation annular column body, a concrete solid column body and foundation bolts; the foundation annular cylinder is located below the earth surface; the concrete solid column body is embedded into a solid column body foundation pit between the foundation annular column body and the ground surface and is positioned right above the foundation annular column body; the foundation annular cylinder is composed of an annular foundation trench and a rock mass surrounded by the annular foundation trench; a reinforcement cage is placed in the annular foundation trench, and concrete is poured in the annular foundation trench; the height of the reinforcement cage is larger than the sum of the depth in the annular foundation trench and the depth of the solid cylinder foundation pit, but the height of the reinforcement cage is smaller than the sum of the height of the foundation annular cylinder and the height of the concrete solid cylinder; the foundation bolt comprises a fixed end; and the fixed end is connected with equipment needing to be fixed. By means of the construction method, the problems that foundation pit excavation is difficult, the construction method is complex, the construction potential safety hazard is high, the mechanization degree is low, and economical efficiency is poor are solved.

Description

technical field [0001] The invention relates to the field of transmission line construction, in particular to a rock foundation with an annular section suitable for mountainous areas and a construction method thereof. Background technique [0002] my country's mountainous areas are widely distributed. Due to the inconvenience of road transportation in mountainous areas, it is difficult for large-scale infrastructure construction machinery to enter and deploy, which seriously hinders the popularization of mechanized construction in the transmission line industry. [0003] The foundations of existing transmission lines in mountainous areas generally adopt rock embedded foundations and excavated foundations. These two types of foundations generally have the following problems: [0004] 1. The construction method is complicated. When using manual excavation, in order to ensure personal safety, it is necessary to set up a concrete retaining wall. The final setting of the retain...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/42E02D15/00
CPCE02D27/42E02D15/00
Inventor 邹峥王玉雷周旸李聚昭刘伟程鹏张建伟张东亮
Owner NORTH CHINA POWER ENG
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