To cure pit collapse with residual soil from granite, what measure can be chose is to backfill with bags of sand and infiltrate steel tube or reinforce steel bar to pin up filler.
英
美
释义
处理花岗岩残积土的基坑塌方,宜用砂袋回填并在纵横方向打入钢管或钢筋加固回填体。
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