固結是指鬆軟土壤在外力作用下發生壓縮、去水而逐漸密實的過程[1]。當有壓力施加在土體時,土粒會更加緊密的壓在一起,使土體孔隙中水分逐漸排出、體積變小、密度增大。土壤的固結現象在基礎工程中意義重大,是地基沉降的主要因素。土壤的固結度是研究地基沉降量與時間關係的主要依據。


參考

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