Property of treat foundation soil with vacuum - heaped load precompression
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Test and study on reinforcement of soft clay foundation with vacuum - heaped load combined precompression
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This dissertation introduces the necessity , mechanism and developing of the vacuum - heaped load combining precompression in the consolidation of the soft highway foundation
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With resonable calculating model and dynamic analysis method , the construction control elevation can be decided and so the precompression difficulty of support can be solved in the construction of large - span arched bridge
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The dynamic tensile stresses of earthquake may balance or exceed to the precompression stresses due to static watef , this may arouse opening of joints along the normal direction . if the altemate actions of earthquake join , the joints may behave gradual opening and closing
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This paper emphasize study the seepage of vacuum - heaped load combining precompression . , deduce the drainage quantity computation formula for stage loading in soft soil . an example show that the results of calculation are in good agreement with the measured value , this explain that the formula is rational
7.
Based on the terszige and biot theory , initially analyze the economical of this experiment , directly save investment 22 % after compute . after that , computing the settlement of highway foundation , comparing the computing and survey value , the predict formula of vacuum - heaped load combining precompression for designing , this formula show that the distortion law of consolidation progress . at the same time , based on the position and room experiment , analyzes the intension transformation in soft soil and criteria of stabilization control
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