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href="http://www.majubuanatravel.com/"><h4>土工膜</h4></a>,<a href="http://www.majubuanatravel.com/"><h4>防滲膜</h4></a>,<a href="http://www.majubuanatravel.com/"><h4>土工膜廠家</h4></a>,<a href="http://www.majubuanatravel.com/"><h4>土工膜價格</h4></a> 時間：2019-03-07 網址：<a href="http://www.majubuanatravel.com/">http://www.majubuanatravel.com/</a> 分享： </span> </div> <div class="thecontent"><p> 地基豎向荷載引起的側向土壓力必然會引起地基淺層石灰土墊層的側向擠壓。豎向荷載越大，豎向沉降越大，水平側擠壓越大。與土工膜的基礎上,橫向擠壓變形淺地表土壤的基礎將受到摩擦阻力通過土工膜之間的摩擦和土工膜和地基土之間的接觸表面,與此同時,將生成一個額外的壓力在土工膜和其他靈活的巖土材料。 </p> <p> <br /> </p> <p> 土工膜表面與石灰土墊層及地基的作用機理 </p> <p> <br /> </p> <p> 如果土工膜的彈性模量遠大于土墊層和地基的彈性模量，地基的抗拉強度和抗剪強度可以得到很大的提高。同時，土墊層與地基土、土工膜之間的摩擦也增大。一般土體在單軸壓力下極限外側橫向擠壓變形將發生在同一時間,側向土壓力之間的土工膜和土壤之間的摩擦(摩擦)下降甚至平衡,可以在一定程度上,減少土體的側向變形,相當于應用土壤抵消或減少側向土壓力的反應,減小土工膜側向變形的結果是土工膜埋深大，即墊層厚度越大，對土體沒有明顯的影響，主要起到抗水滲流的作用，以保護地基土體，防止地基塌陷。 </p> <p> <br /> </p> <p> 土工膜表面與石灰土墊層及地基的作用機理 </p> <p> <br /> </p> <p> 土工織物是具有一定抗拉強度的柔性土工織物。土工織物能有效地提高土體的剛度。 </p> <p> </p> <p align="center"> <img onload="resize(this,700)" 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