砂石土

一种具有巨大经济价值的海洋矿产资源&砂石土

Sandy and stony soil : an economically valuable marine mineral resource

加强砂石土开采管理，切实保护矿产资源

Strengthening Management and Protection of Sand , Stone and Clay Resources

我国具有丰富的海洋砂石土资源。

China is rich in marine sandy and stony soil .

油罐基础砂石土垫层是油罐地基发生不均匀沉降的重要因素。

The sand-stone-mud padding of oil tank foundation is an important factor in uneven settlement of the tank basis .

砂石土指第四纪堆积的泥、土、砂、石，为一种极为重要的资源。

The sandy and stony soil is a very important resource , accumulated in Quaternary in the form of mud , soil , sand , and stones .

砂石垫层及土工格栅在软土处理中的应用

Application of the sand-grave cushion and the earthwork grille on the treatment of the soft soil

采用砂石桩、土桩和水泥土桩等处理软弱地基，形成复合地基，是地基处理中常用的一种方法。

Adopting sand pile , plaster pile and cement pile and etc to deal with soft and weak foundation which becomes compound foundation is a common method in foundation treatment .

从挤土桩沉桩过程产生的挤土效应出发，运用圆孔扩张理论和固结理论，分析了混凝土芯砂石桩的挤土性状。

Based on the squeezing effect in the process of pile sinking , the squeezing behaviour of concrete-cored sand-gravel piles is analyzed by applying cavity expansion theory and consolidation theory .