粉喷桩在高速公路软基处理中的应用

Application of spray powder piles in Weak Subgrade Treatment on Specdway

对采用粉喷桩处理的桥台的应力和应变进行了分析 ,认为在刚性和柔性基础之间设置一过渡段可以起到调整沉降差的作用 ,而采用粉喷桩处理是有效的方法之一 ,同时也介绍了粉喷桩在高速公路小桥、涵洞软基加固中的应用及施工注意事项。

The paper analyses stress and strain of bridge abutment treated with spray powder piles,considering the settlement differences can be regulated by setting transition segment between flexible and rigidity ground Using spray powder pile is one of the valid treatment methods.These are introduced synchronously the applications and construction regard proceediys in treating soft ground stahilization ahout bridge and auvert with spray powder piles on speeduay.