1) sand layer
砂层
1.
Construction method of shield machine passing through sand layer;
盾构机通过砂层施工方法
2.
Infiltration reduction effect of sand layer in loess;
砂层在黄土中的减渗作用及其计算
3.
On wall protection measures in manual hole digging piles in sand layer
在砂层中人工挖孔桩的护壁措施
2) sand bed
砂层
1.
Simulation experiment on oil migration and accumulation in compartmentalized homogeneous sand beds was conducted by 2\|D experimental model.
层间非均质砂层石油运移和聚集二维模拟实验证实 ,在各种因素的影响下 ,各砂层的油水分布范围和油水界面存在着很大的差异 ,层间非均质性对砂层的油水分布和含油饱和度起着至关重要的作用。
2.
The friction angle in the sand bed is big and the fluidity of the residued sand is bad,which causes difficulty in dischaging the sludge.
广州地铁盾构区间部分穿越陆相洪积—冲积砂层及河湖相淤泥质、粉质黏土层,砂性土层内摩擦角大,渣土流动性差,排土困难,地下水压高时,易发生喷涌现象,因此砂层盾构掘进控制困难,易造成地表沉降。
3.
The intensity of sand bed under the dam foundation can not meet the aseismatic requirement at 7° seismic intensity, so the 75kW vibroflot was used to strengthen the bed by penetrating the 6.
红山水库大坝为均质土坝,坝基下砂层紧密度不能满足抗7度地震要求,采用75kw振冲器穿过6。
3) sand stratum
砂层
1.
Ciqikou Station on Beijing Metro Line #5 is primarily located in super fine sand, fine sand, and medium and coarse sand stratum with a buried depth of 10m.
北京地铁5号线磁器口车站主体结构大部分位于粉细砂、细砂及中粗砂层中,结构埋深10m左右,采用中洞法施工。
2.
A successful construction of a sunk well foundation passing through the sand stratum replacing the common human-dug pile foundation is reported.
报导在砂层中采用沉井代替一般人工挖孔桩的成功实例 ,介绍了该工程设计中对沉井下沉的可能性的预测和各种助沉措施的拟定 ,以及下沉过程中井身垂直度的控制 ,并通过经济比效证明在特定的条件下该设计的经济性。
3.
The application of jetted pile on the bank of the Yangtze River with the complicated geologic condition characterized by thick sand stratum is described.
介绍水冲沉桩在长江沿岸砂层较厚的复杂地质条件下的应用。
4) sand seam
砂层
1.
The analysis and application of specific gravity of slurry in bore pile construction through sand seam;
穿过砂层钻孔桩施工中泥浆比重的分析与应用
2.
The drilling construction experience of mud and sand seam
淤泥层及砂层中钻孔施工经验
3.
The technique of sand seam strengthening with advanced small pipe through which sand consolidating agent is grouted has found wide application in sand-enriched seam in shallow tunneling.
砂层超前短导管固砂剂加固施工技术以其独特的施工工艺用于地铁富水砂质地层浅埋暗挖隧道施工,文章以沈阳地铁暗挖隧道为例,主要介绍了超前短导管所要解决的技术问题,施工的技术方案及具体的实施方式。
5) sand body
砂层
1.
The rhythmly change of the depositional structure and the development of the interlayer in fluvial facies sand body lead to the form of the serious anisotropy in vertical, which control the swept volume of the injected water in vertical and the dstribution of the residual oil .
根据多口取心井及检查井资料,建立了各类河道砂体非均质模型,并采用检查井水洗剖面详细描述和数值模拟方法,研究了砂层内不同夹层分布及其韵律性变化所产生的非均质模型中剩余油分布规律,为该油田高含水开发后期进行井网综合调整及其剩余油挖潜提供基础。
6) sand
[英][sænd] [美][sænd]
砂层
1.
Based on the principle of double seepage and the geologic characteristic of Beizha Pumping-station,the potential in sand and the stability of foundation upon seepage is analysed in the calculating method of well seepage from riverside supply.
根据北闸泵站地质条件及双层地基的渗流特点 ,采用河岸补给围井的计算方法 ,分析了砂层渗流位势分布及站基的抗渗稳定性 ,并提出了工程抗渗措
补充资料:流砂层
流砂层
quick sand bed
密切关系。流砂层岩性特征是,般砂粒粒度均匀孔隙度大、上下岩层多为不透水性。故常饱含地下水;粘土质流砂层具触变性,即受机械振动而液化,振动停止后又恢复原状;天然流砂层湿而带腐臭味。形成流砂的原因:吃l、山于地下爆破或机械震动的影响.在足够大的动水压力或动荷载作用「,层中水力坡度增大,流速增大,冲动细颗粒而使其悬浮和流动成渗透流砂(助由土粒周围附着亲水胶体颗粒,饱水时胶体颗粒膨胀·在渗透水作用下而悬浮流动;其流动速度有快有慢遇到以溃决形式急剧流动时,破坏力很大,会使地基和「_程的稳定性遭到严重破坏。流砂层它是矿山采掘作业的 ,大灾害其防治方法有疏干排水、灌浆固结、板桩加固等 (李远鄂陈国洗l一ushoeeng流砂层(quiek sand bed)埋藏于地下饱含水的,当工程揭露时引起渗透水流作用而发生流动的粉砂、细砂、亚粘土层。流砂层不仅分布于第四纪地层中,而且在基岩古老时代的地层中也有存在,它埋藏于不同的深度,其分布位置多与古河谷和近海冲积平原有
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参考词条