These problems are discussed in the light of the construction of the steel tubular pile foundations for Bahekou Heavy Cargo Wharf in the Three Gorges and Yangjiawan Container & General Cargo Wharf.
文章依托三峡坝河口重件码头和杨家湾集装箱杂货码头钢管桩基础工程，探讨了以上问题。
When installing steel tubular piles in regions where granite is shallowly overburdened, the piles are easy to deviate and the pile tip is easy to warp, resulting in slow driving.
在浅覆盖层花岗岩地区进行钢管桩施工，存在易偏位、桩尖易卷口和进度慢等技术难题。
Steel tubular pile underpinning technology is an effective method to develop underground space in retrofitting of existing buildings.
利用微型钢管桩进行基础托换是既有建筑物地下增层改造的有效方法。
Especially in this project, all for the steel tubular pile foundations in weather sloping piles, the sea using steel box pile construction, this was the first time in China.
特别是本工程采用钢管桩基础，全部为斜桩，在气候恶劣的海面上采用钢套箱施工承台，在我国尚属首次。
Especially in this project, all for the steel tubular pile foundations in weather sloping piles, the sea using steel box pile construction, this was the first time in China.
特别是本工程采用钢管桩基础，全部为斜桩，在气候恶劣的海面上采用钢套箱施工承台，在我国尚属首次。
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