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Method of Determining the Optimum Water Content of Filled Soil at the Same Energy Level Using Ramping-Sinking Ratio

A technology of optimal water content and tamping-sink ratio, applied in soil protection, construction, special data processing applications, etc., can solve problems such as the impact of tamping efficiency, with simple methods, strong operability, and clear physical meaning Effect

Active Publication Date: 2018-05-04
ZHONGBEI UNIV
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Problems solved by technology

However, the appropriate water content has a significant impact on the tamping efficiency

Method used

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  • Method of Determining the Optimum Water Content of Filled Soil at the Same Energy Level Using Ramping-Sinking Ratio
  • Method of Determining the Optimum Water Content of Filled Soil at the Same Energy Level Using Ramping-Sinking Ratio
  • Method of Determining the Optimum Water Content of Filled Soil at the Same Energy Level Using Ramping-Sinking Ratio

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Embodiment Construction

[0029] The present invention utilizes the tamp-sink ratio to determine the optimal water content of the filling soil at the same energy level, through the tamping test of filling soils with various water contents at the same energy level, respectively calculate the ramming values ​​corresponding to the filling soils with various water contents Depth ratio, drawing the tamping times-tamping-sink ratio curves of filling soil with various water contents for comparison to determine the optimal water content;

[0030] The tamping times-tamping ratio curve corresponding to each water content is obtained by the following method:

[0031] a) Prepare a kind of filling soil with water content, install an acceleration sensor on the top center of the rammer to carry out the ramming test, and record the dynamic acceleration data of each hit of the rammer through the dynamic test collector, and calculate the stroke of the rammer by integral value S;

[0032] b) Use a level to measure the d...

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Abstract

The invention uses the tamping-sink ratio to determine the optimal water content of the filling soil at the same energy level, and belongs to the technical field of civil engineering foundation treatment; the technical problem to be solved is to provide a method for determining the filling soil at the same energy level by using the tamping-sinking ratio The method of optimal water content improves the construction quality, is scientific, accurate, convenient and economical, and is of great significance for construction guidance in actual projects; the technical solution adopted is: tamping of filling soil with multiple water contents of the same energy level In the test, the tamping-sink ratios corresponding to filling soils with various water contents were calculated separately, and the tamping times-tamping-sinking ratio curves corresponding to filling soils with various water contents were obtained, and integrated into a graph for comparative analysis, which was located at the top The water content corresponding to the curve is the optimal water content of the energy level; the present invention relates to the water content control of filling soil dynamic compaction treatment, the optimal water content is selected according to the energy level used for construction, the theory is strict, and it is the foundation treatment design The optimization provides a reference, the method is simple, and the physical meaning is clear.

Description

technical field [0001] The invention discloses a method for determining the optimal water content of filling soil at the same energy level by utilizing the tamping-sink ratio, which belongs to the technical field of civil engineering foundation treatment, and in particular relates to water content control of filling soil dynamic tamping treatment. Background technique [0002] The dynamic compaction method is a method of freely dropping a weight of tens of tons (generally 8-40t) from a height of tens of meters (generally 6-40m) to compact and strongly compact the foundation soil. The current situation is that the practice of dynamic compaction is developing rapidly, but there are still many ambiguities in the mechanism of dynamic compaction and design theory. . [0003] my country is the country with the largest mountainous area in the world. With the acceleration of urbanization, construction land will become increasingly scarce. In order to avoid competition with fertile ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50E02D3/046
Inventor 韩云山王元龙刘小梅段伟董彦莉张洪萍刘亚玲程志王万月郑亮靳小俊郭宏秦伟华吴晗申详琨
Owner ZHONGBEI UNIV
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