The mechanism of piling into rocks of steel pipe pile ', earth blockage and type selection of pile toe are discussed.
文章讨论了钢管桩在基巖中的沉桩机理、土塞问题和钢管桩桩端的选型。
The value of frictional force of soil to pile body and resistance to pile toe has a close relation with the penetration depth and relative rigidity of soil layer at pile body and pile toe.
支承桩的桩身摩擦力和桩尖阻力的大小与入土深度及桩身、桩尖处土层的相对刚度密切相关。
It was observed that the ratio of pile toe penetration to foundation settlement decreased with the increase of pile number under the same foundation loading.
试验表明:在相同基础荷载作用下,桩数的增加使桩端刺入变形量占基础沉降的比例降低。
A theoretical computational formula has been given, it can react the rule that pile toe resistance changes with pile distance in large pile groups foundation.
该公式能较好地反映大型群桩基础的端阻力随桩距变化的客观规律。
The compression of the pile in the pile group can be determined by static load test. The settlement of the pile toe is calculated by layer wise summation method.
群桩中桩身压缩由单桩静载试验得到的桩顶沉降与桩端沉降之差求得,群桩的桩端沉降由分层总和法计算。
In this method, the static resistance at pile toe can be calculated directly with the rebound at pile top and impulse duration from the acceleration signal at pile top.