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Sandy soil embankment construction method

A construction method and sandy soil technology, applied in botany equipment and methods, construction, water conservancy projects, etc., can solve problems such as poor anti-scouring performance, poor viscosity, and poor stability of dike body, so as to increase anti-seepage performance, increase Stability, increase the effect of erosion resistance

Inactive Publication Date: 2019-11-12
江河水利水电咨询中心有限公司
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Problems solved by technology

[0004] The purpose of the present invention is to provide a sandy soil embankment construction method, which solves the problems that the sand embankment is impervious to seepage, poor in anti-scouring performance, and poor in stability of the embankment due to the poor viscosity of the sandy soil itself. Anti-seepage performance, impact resistance performance

Method used

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  • Sandy soil embankment construction method

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Embodiment Construction

[0036] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0037] refer to figure 1 , is a kind of sandy soil embankment construction method disclosed by the present invention, comprises the following steps:

[0038] S1. Cleaning base: remove turf humus soil and other sundries on the original ground at the bottom of the embankment. The average thickness of base cleaning is 30cm. For weak interlayer geology such as organic soil and silt that still exist after foundation clearing, it needs to be removed to expose the dense soil layer.

[0039] S2. Filling: filling and rolling the sandy soil in layers and sections. First divide the filling area into sections, and set up signs in each section to prevent leakage, underpressure and overpressure in subsequent vibrating mills. Fill each section of the filling area layer by layer. The thickness of each layer of filling is 30cm. When filling, follow the rule of filling laye...

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Abstract

The invention relates to a sandy soil embankment construction method, and relates to the technical field of water conservancy engineering. The sandy soil embankment construction method includes the following steps that S1, foundation cleaning is conducted, specifically, debris and a soft soil layers on the original ground are cleared, and a dense soil layer is exposed; S2, filling is conducted, specifically, sandy soil is filled and compacted in layers and sections; S3, toe fixing is conducted, specifically, a gabion stone cage fixing toe is used for being arranged at the revetment bottom on the water corresponding side of an embankment body; S4, slope protection is conducted, specifically, non-woven fabrics, a sand gravel cushion and a Reno mattress are successively laid on a revetment onthe water corresponding side; and S5, a diaphragm wall is formed, specifically, a mixing drilling rig is used for forming interlocked mixing piles in the embankment body, the mixing piles are inserted into an embankment foundation, and the diaphragm wall for seepage prevention of the embankment body and the embankment foundation is formed by interlocking. According to the sandy soil embankment construction method, the ant-seepage and anti-impact properties of a reinforcing dam are effectively improved.

Description

technical field [0001] The invention relates to the technical field of hydraulic engineering, in particular to a sandy soil embankment construction method. Background technique [0002] At present, sandy soil is widely distributed in the Songhua River and Nen River areas. In actual engineering, due to the lack of clay materials for building embankments in some embankments, if clay embankments are built, soil needs to be transported over long distances. In general, a large amount of cultivated land will be occupied. There are great difficulties, not only the project investment is high, but also the ecological environment is damaged, and the disadvantages outweigh the advantages. [0003] Therefore, the main embankments of Songhua River and Nen River and some of their tributaries are mostly filled with sandy loam and silty sand to form sand embankments. Due to the poor viscosity of the sandy soil itself, the sand embankment leads to impermeability of the embankment body, poor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B3/12A01G9/02E02B3/16
CPCA01G9/02E02B3/12E02B3/122E02B3/16
Inventor 朱峰
Owner 江河水利水电咨询中心有限公司
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