进行了过特厚粘土地层外层混凝土井壁施工安全技术研究。
The research of external concrete sidewall security technique in extra-thickness clay blanket is also gived in this paper.
营子闸交通桥是一座钢筋混凝土井柱桩式桥梁，桥梁状况较差。
The traffic bridge on the Yingzi Floodgate is a reinforced concrete well-pile bridge of poor safety.
目前，采用泵送法预制高强度混凝土井壁，在国内尚无成功的先例。
Currently, the method of prefabricating concrete high strength wall by pump transporting is still without successful precedent in our country.
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