gravel pile foundation的用法和樣例：
例句
- The compaction-under reamed bored pile is a new type one with high bearing capacity and low settlement.
摘要擠擴支盤(pán)灌注樁是一種具有高承載力和低沉降量特性的新型樁。 - It can increase foundation bearing capacity &reduce building subsidence to replace soft soil padding by using dense sand or rubble cushion.
以密實(shí)的砂石或碎石墊層代替軟弱土層，可以提高地基的承載力，減少建筑物的沉降量。
