Construction process of cement modified soil
A cement modification and construction technology technology, which is applied in soil protection, infrastructure engineering, on-site foundation soil survey, etc. Road, airport, water conservancy project damage and other problems, to ensure traceability, improve the uniformity of cement mixing, obvious social and economic benefits
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[0033] A cement-modified soil construction process, the construction process mainly includes the following steps, each step needs to be image preserved, and the inspection of product quality plays a role in tracking and tracing:
[0034] The first step is to test the expansion grade of the expansive soil material, and conduct physical tests and compaction tests on the filled cement-modified soil; the specific steps include:
[0035] 1) By detecting the natural moisture content, plastic limit moisture content, and free expansion rate of the expansive soil material, the expansion grade of the excavated expansive soil material is judged; the expansion grade is judged according to the free expansion rate: 65%≤free expansion rate FS<90 % is medium expansive soil, and 40%≤free expansion rate FS<65% is weak expansive soil; carry out indoor compaction test (wet method, design cement content) of cement modified soil to determine the maximum dry density and maximum density of cement modi...
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