Fine sand layers sealing, vibrating percussion and high pressure jet grouting method are adopted usually in practice to improve fine sand layers structure and prevent them from being liquefied.
工程中通常采用封闭砂层、振冲和高压旋喷桩等方法施工，以改善砂层结构，防止砂层液化。
Fine sand layers sealing, vibrating percussion and high pressure jet grouting method are adopted usually in practice to improve fine sand layers structure and prevent them from being liquefied.
工程中通常采用封闭砂层、振冲和高压旋喷桩等方法施工，以改善砂层结构，防止砂层液化。
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