Study of the optimization dewatering project in distributing area of quicksand aquifer;
流砂层地区地面疏干工程优化控制的研究
Man-made holey pouring pile in underground with seepage and in quicksand;
有地下渗水和流砂的人工挖孔灌注桩施工法
Analysis of deep foudation-pit retaining damage by quicksand;
深基坑流砂失稳与抢险加固处理
In order to treat the ooze and quick sand during mining in Cangshang Gold Mine,the jet grouting technique was accepted with a satisfactory economic benefits and social benefits,and offers experience for similar engineering projects.
针对仓上金矿露天开采所遇到的海泥和流砂,应用高压喷射注浆技术从治水入手进行治理,取得了较好的经济效益和社会效益。
In this paper were investigated the method of drainage and boring technology through the stratum of quick sand,silt soil,rock and Karst by asing the method hand-dug pile under condition of complex geologic foundation.
本文就人工挖孔灌注桩在复杂地基条件下的排水施工方法,穿越流砂、淤泥质土层,岩层和岩溶地基的人工成孔施工技术作了有益的探讨。
The obtained water pressure at which quick sand happens,is close to that gained by critical hydraulic gradient formula.
为了验证流体颗粒耦合计算功能,首先用离散元分析稳定渗流,得到的结果表明渗流符合达西定律,并分析了流砂现象,得到与理论临界水力梯度相近的结果。
Practice of treating the flowing sand stratum during the construction of artificial digging piles;
人工挖孔桩施工中遭遇流砂层的处理实践
The basic reason that cause concrete surface flowing sand is mixture workability out of condition in the procedure of concrete placement and generates the segregation and weeping.
造成混凝土表面产生流砂现象的最根本原因,是在混凝土浇注过程中,混凝土拌和物和易性不良,产生了离析和泌水。
Reinforced continuous girder bridge is widely used in highway,as an example the paper selects a large span reinforced continuous grider bridge set on complex subgrade to analyze the treatment of flowing sand and of cracks.
普通钢筋混凝土连续梁(无预应力)桥在公路建设中得到了广泛的应用,以处于软弱地层中大跨度的该类桥为例,对流砂和行车道板裂缝的处治方法进行了分析总结。
The solution of man-bored piling applied to drift sand layer;
人工挖孔桩在施工过程中遇流砂层的处理实例
The design and construction of a man-digged pouring pile in the drift sand layer;
人工挖孔灌注桩在流砂土层中的设计与施工
It is common to confront some problems in manual excavated pile,such as underground water,drift sand,silt.
在人工挖孔桩中常会遇到一些问题,如地下水、流砂、淤泥层等,本文分析了不同的情况且提出了详细处理方法。
Combined with practical work,in view of the problems encountered in construction processes of manual hole digging pile such as un-derground water,shifting sand,mud and so on corresponding treatment measures are discussed as well as pouring construction of pile concrete.
结合工程实例,对人工挖孔桩施工中遇到的地下水、流砂、淤泥质土层等情况的处理进行了探讨,对桩身混凝土的浇筑进行了阐述,同时论述了施工顺序的合理安排,以提高人工挖孔桩施工质量。
At a sub-base site, if the digging is below the ground water level, sometimes the shifting sand may happened and it will cause a serious consequence.
在开挖底面低于地下水位的基坑时 ,有时会发生流砂现象 ,造成严重后果。
The hydraulic lift is used to quickly excavate the collecting well on a shifting sandfoundation.
利用液压反铲，在流沙地基上快速开挖集水池基础，并及时浇筑防渗体混凝土获得成功，阻挡了流砂大量向基坑内涌进，确保了集水池的顺利施工。