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Research on Eengineering Properties and Treating Measure of Decayed Wood and Silt Mixed Soil of JiePu Speedway

Author: DanLingZhi
Tutor: YuXiangJuan
School: Hohai University
Course: Geotechnical Engineering
Keywords: Rotten sludge mixed soil Test Deformation characteristics Strength characteristics Checking procedures Processing Method
CLC: U416.1
Type: Master's thesis
Year: 2006
Downloads: 63
Quote: 1
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Abstract


Rotten sludge mixed soil Jiepu Expressway in Guangdong discovered during the construction of a special soft soil with a high moisture content, high compression resistance, low permeability characteristics. This soft soil in Guangdong within a certain range of distribution , other provinces also found. With the geological origin and geological environment, rotten rotten sludge mixed soil content and the decay in different degrees , thereby causing the rotten sludge mixed soil engineering properties are different. Therefore, those rotten sludge mixed soil engineering properties of the foundation of the future built on a similar project has important guiding significance. The main contents are as follows: 1 through rotten wood and sludge composition and physical and mechanical index contrast , pointed out the rotten wood and sludge consolidation settlement mechanism , and analyzed both in the consolidation , compression, different aspects of secondary consolidation . 2 prepared three different levels of rotten rotten sludge mixed soil . Rotten content of 5% , 40%, 70%. Rotten content of 5% content of less rotten case represents 40% of the medium content rotten rotten content represents the case . While 70 % of the higher levels of rotten wood content of the case on behalf of rotten wood . Through different levels of decayed wood mixed soil consolidation , compression, rebound and secondary consolidation tests analyzed under three different levels rotten rotten sludge mixed soil content of the mechanical properties of the variation with rotten wood . 3 with a special processing measurable bottom -hole pressure and permeability coefficient of consolidation was analyzed rotten sludge mixed soil consolidation process and the permeability coefficient K pore pressure changes . 4 carried out with different levels rotten rotten sludge mixed soil under consolidated undrained triaxial shear tests and consolidated drained triaxial shear tests , obtained under different levels of intensity index rotten wood , analyzes c, φ mechanism and c, φ values ??and the variation between the contents of rotten wood . And compared the rotten sludge mixed soil and silt difference between strength index . 5 Application plaxis program rotten sludge mixed land base for a settlement and stability analyzes , laboratory experiments verified by calculating the parameters . 6 observations on rotten wood by settling silt mixed land -based settlement has been analyzed , validated test to the conclusion , and through calculation and analysis rotten sludge mixed soil optimization approach.

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