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Soil filling construction method for slope land water balance test

A technology of water volume balance and construction method, which is applied in filling, construction, soil material testing, etc., to achieve the effect of reasonable design, simple operation and easy construction

Active Publication Date: 2015-09-16
江西省水土保持科学研究院
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Problems solved by technology

[0004] The present invention solves the problem that the existing soil filling method of the slope water balance community cannot satisfy the uniformity, stability and compaction of each soil layer in the construction method, and at the same time maintains the consistency of the filling soil of the slope water balance community and the soil structure of the actual slope , a construction method of soil filling for slope land water balance test was proposed

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  • Soil filling construction method for slope land water balance test

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Embodiment Construction

[0038] The present invention will be further described below in conjunction with accompanying drawings and embodiments.

[0039] figure 1 Shown is the schematic flow chart of the construction method of soil body filling for slope water balance test of the present invention, and the construction method of soil body filling for the water balance test plot of slope land comprises the following steps:

[0040] Step 1: Excavating soil in layers and measuring the dry density of the soil.

[0041] Select the field soil corresponding to the test soil for typical investigation and survey, determine the thickness of the top soil layer A, core soil layer B and subsoil layer C of the soil occurrence layer according to the survey results, analyze and calculate the soil availability rate, and take soil according to the actual earth volume required. The soil sampling requirements are based on the thickness of the surface soil layer A, core soil layer B, and subsoil layer C (upper and lower ...

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Abstract

The invention relates to a soil filling construction method for a slope land water balance test. The method comprises the following steps of a, selecting a test soil sample, and excavating the test soil sample in layers; b, heaping the soil sample in layers; c, preserving moisture, and making uniform the moisture content of the soil sample; d, performing a compaction test; e, performing a rolling compaction test; f, measuring the original moisture content of the soil sample; g, back-filling the soil sample strictly according to dry density; h, ensuring uniformity in the thickness of the back-filled soil; i, compacting the back-filled soil; j, verifying the back-filled soil. The construction method is reasonable in construction design and easy to operate, the back-filled soil of a slope land test plot can be ensured to be close to natural soil, consistency between the filled soil and an actual slope land soil structure is also ensured, and a construction reference is provided for the soil filling of plot construction in other related tests.

Description

technical field [0001] The invention relates to the fields of soil water movement, water balance and water resource utilization, in particular to a soil filling construction method for a water balance test on a sloping land. Background technique [0002] Unreasonable use of slope land resources, especially water resources, will lead to serious soil erosion and deteriorate the ecological environment. Water resources are the material basis for the survival and development of human society. Water resource problems and uneven distribution of water resources in time and space seriously threaten ecological security and food security. At present, the situation of water resources development and utilization is severe, mainly including: ① imbalance between supply and demand of water resources, and low utilization rate: relative to demand, insufficient supply of water resources and waste of water resources coexist; ② serious deterioration of water environment: non-point source polluti...

Claims

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Application Information

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IPC IPC(8): E02D1/02E02D1/04E02D17/18G01N33/24
Inventor 谢颂华陈晓安杨洁龚来红王富庆熊永
Owner 江西省水土保持科学研究院
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