High fill quality control construction method for side slope embankment

A construction method and high filling technology, which is applied in excavation, foundation structure engineering, waterway system, etc., can solve problems such as uneven foundation settlement and slope deformation, and achieve the effects of preventing deformation, smooth drainage, and preventing uneven foundation settlement Effect

Inactive Publication Date: 2019-07-05
WUHAN YIYE CONSTR ENG
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Problems solved by technology

In the construction of airports in mountainous areas, it is an important part of the project to complete the earthwork construction in the widened area at the foot of the slope and to control the

Method used

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with embodiment.

[0021] A construction method for controlling the quality of mid-high filling on a side slope, comprising the steps of:

[0022] S1. Carry out dredging and foundation treatment on the newly added filling surface, and at the same time, carry out dredging treatment within a certain range (3m) outside the slope toe.

[0023] S2. In order to ensure the close combination of the new filling body and the original filling body, excavate the slope of the original filling body according to the principle of 1:2. Step excavation must be carried out when the original mountain body is overlapped at 1:5;

[0024] Before excavating the steps, re-measure the construction site according to a certain interval (5m×5m), draw a high-precision topographic map, and then determine the accurate slope toe line and slope plane according to the topographic map and the designed slope type. When excavating steps,...

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Abstract

The invention discloses a high fill quality control construction method for side slope embankment. The high fill quality control construction method comprises the steps that dredging and foundation treatment is performed on a newly added filling surface, and at the same time, dredging treatment is performed within a certain range outside a slope foot; the slope surface of an original filled body is subjected to bench excavation according to the principle of 1 to 2, and the newly added filling body is subjected to bench excavation when an original mountain body is steeper than 1 to 5; the newlyadded filling surface is subjected to tamping filling layered construction by adopting a tamping machine or a stamping mill, packing is siltstone stone or conglomerate stone, and if the newly added filling surface is narrow and small, filling construction is carried out by vibration rolling first until the newly added filling surface meets the construction conditions of the tamping machine or thestamping mill; and when a newly added filling body is originally provided with a drainage blind ditch, the drainage blind ditch is appropriately extended to a new slope surface according to the original direction and with the level not less than the original specification to ensure smooth drainage of the blind ditch. The high fill quality control construction method overcomes the defects of uneven settlement of foundations and deformation of side slopes.

Description

technical field [0001] The invention belongs to the field of building engineering construction, and in particular relates to a construction method for controlling the quality of middle and high filling of slopes. Background technique [0002] With the balanced development of economy, more and more new airports are built in mountainous cities. In the construction of airports in mountainous areas, it is an important part of the project to complete the earthwork construction in the widened area at the foot of the slope and to control the quality of high fill. At present, there are technical problems in the quality control of high fill in the slope and the uneven settlement of the foundation and the deformation of the slope. . Contents of the invention [0003] The purpose of this invention is to provide a kind of side slope sticking to the middle and high fill quality control construction method of the slope, which method has overcome the uneven subsidence of the foundation ...

Claims

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Application Information

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IPC IPC(8): E02D17/20E03F5/04E01C19/23E01C19/28
CPCE01C19/23E01C19/28E02D17/20E03F5/04Y02A30/60
Inventor 梁书伟张小强张伟廖红玉
Owner WUHAN YIYE CONSTR ENG
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