The ground stratum is quite complex, with silt layer and fine sand layer mixed, so the construction is difficult to be carried out and the requirement of pit support is strict.
基坑所处地层十分复杂，有较厚的淤泥层和细砂层，基坑支护要求高，施工难度大。
Silt, clay and adobe often form solid barriers that shed water instead of absorbing, so consider adding sand, mulch or other absorption enhancing materials to low-porosity ground.
淤泥，粘土和土坯往往是固体流，而不是障碍，吸收水，因此考虑在沙子，覆盖或其他材料，以增强吸收低孔隙度地面。
It proves that the retaining technology is suitable for sand silt ground with convenient construction, good waterproof capability, low noise and high work efficiency.
实践证明，该围护技术适用于砂质粉土层，施工便捷、止水防渗性能好、噪声小、工效显著。
It proves that the retaining technology is suitable for sand silt ground with convenient construction, good waterproof capability, low noise and high work efficiency.
实践证明，该围护技术适用于砂质粉土层，施工便捷、止水防渗性能好、噪声小、工效显著。
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