Common fault in open caisson engineering quality has been analyzed and sum up in this paper.
本文就沉井施工中的质量通病进行分析和总结。
Open caisson is a special construction measure used in pump room and big diameter well constructing.
沉井是修建泵房和大口井等构筑物的特殊施工方法。
Finally, the original cost estimation of open caisson pump house is made with the geometric optimization.
最后用几何优化法对泵房沉井基础的工程费估算作了应用性探讨。
If it cant't use end-open caisson, the experience of the construction plan can be used in similar foundation pit engineering.
对于类似的基坑工程，在不能使用沉井时，可以借鉴该施工方案。
This paper describes construction method of steel open caisson as well as measurement control and measure of rectifying deviation.
文章介绍了钢板沉井的施工方法及顶管过程中的测量控制和纠偏措施。
The invention relates to a final elevation control method for open caisson construction, belonging to the technical field of open caisson construction.
本发明涉及一种沉井工程最终高程控制方法。本发明属于沉井工程技术领域。
According to an instance of engineering, two current methods of open caisson subsiding including drainage subsidence and non-drainage subsidence were introduced.
根据施工案例介绍了沉井下沉的两种常用方法：排水下沉和不排水下沉。
The presented computation methods are also applicable to stability analysis of catch drain, impended wall, open caisson and other excavation works during construction.
所述计算原则和方法也适用于分析截水槽、倒挂井、沉井及其他土石开挖工程在施工期的稳定性。
In this paper, the method of matrix analysis is used to the cross section of rectangle open caisson structure of the variable thickness, and exact results are worked out.
用矩阵分析的方法对变厚度矩形沉井结构横断面进行受力分析，求出了精确解。
The value of passive earth pressure on the foot blade of open caisson varied between the value of the earth pressure at rest and the limit value of passive earth pressure.
指出沉井刃脚所受的被动土压力介于静止土压力与被动土压力极限值之间。
At present, very large deep water open caisson is main structural form of large hydroelectric engineering, water transport engineering and deep foundation works of bridge.
超型深水沉井是当代大型水电、水运、桥梁深基础工程的主要结构型式。
Open caisson well construction technology is widely used in industrial and civil structures, highways, Bridges etc., but comparably less in water conservancy and hydropower project.
沉井施工技术在工业与民用建筑、公路、桥梁等专业的应用较为广泛，在水利水电施工中较为少见。
Because the geological data were not accordant to the actual condition, the south open caisson was declining after falling on the terraced surface to fail in reaching the design height.
由于地质资料与实际不符，南沉井在没有沉到设计高程时局部已落到岩面上，导致沉井倾斜。
A series of measures such as open caisson, thickening protective wall and decreasing length, etc. are taken to overcome problems of sand drafting, collapse and water gushing, which get better effect.
施工中采用沉井法、增加护壁厚度、减小长度等一系列措施，克服了流砂、坍孔、涌水等难点，取得了较好的效果。
According to the real-measured wave reflection coefficient of two kinds of open-caisson wharf structural types in front of dike under the action of wave, the relationship between them is verified.
通过两种开孔沉箱码头的结构形式在波浪作用下实测的堤前波浪反射系数，进一步证实了相互间的关系。
According to the real-measured wave reflection coefficient of two kinds of open-caisson wharf structural types in front of dike under the action of wave, the relationship between them is verified.
通过两种开孔沉箱码头的结构形式在波浪作用下实测的堤前波浪反射系数，进一步证实了相互间的关系。
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