gravel layer

Destructive tests on piping failure of sandy gravel layer of river dikes

江河大堤堤基砂砾石层管涌破坏危害性试验研究

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Studies on technology of seepage-prevention curtain grouting with thick sand and gravel layer

深厚砂砾石层防渗帷幕灌浆施工技术研究

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Discussion on sand and gravel layer foundation of concrete faced rockfill dam

砂卵砾石层作为混凝土面板堆石坝坝基探讨

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The application in double liquid grouting technology in water plugging and concretion construction of sand gravel layer

双液注浆固结砂卵石层止水施工技术的应用

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To of the bottom gravel layer , its distregulation and lithology are analyzed and studied.

第四纪底砾层直接覆盖在谢桥煤矿煤系地层之上, 其隔水性能影响到防水煤柱的合理留设.

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Drilling and sampling for big aperture air down-hole hammer in sand and gravel layer

砂卵石层大口径空气潜孔锤钻进与取样技术

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Water Controlled Coal Mining Technology Under Cracking Strata of Super Thick Gravel Layer with High Pressurized Water

高水压巨厚砂砾层裂隙岩体下控水采煤技术

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It is wise to start infilling with a layer of gravel for drainage.

先铺上一层利于排水的砾石是个明智的做法。

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Consequently, the classification should be adjusted according to other engineering geological characteristics of the gravel layer.

因此需要参考砾石层的其它工程地质特性对场地类别予以调整。

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Construction Quality Control On Thick Gravel Layer Punch Pile

深厚卵石层冲孔灌注桩施工质量控制

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According to the problem of thick gravel layer the paper explains it is an effective way of treating uneven foundation with vibro impact gravel piles by selection of several construction and construction test.

针对某地区下伏砾砂层较厚的问题，本文通过几种施工方案的比选和施工验证，说明振冲碎石桩是处理这类地基比较经济有效的方法。

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Study of the effect of slurry trench on concrete cut-off wall in deep sand gravel layer

护壁泥浆对深厚砂砾石层混凝土防渗墙影响的研究

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While the project was going on, the foundation in lower area was dealt with by means of shaking and crushing in order to balance the pressure of the gravel layer.

为此，施工时对低洼区用人工级配沙石换土法作了振碾地基处理，以取得该圆砾石层的承载力基本一致。

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Middle Pleistocene strata: gravel layer; sand, coarse sand interbedded with gravel layers; gravel layers.

中更新世：砾石层；砂、粗砂与砾石层互层；砾石层。

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A Study on Permeation Grouting in Gravel Layer and Application

砂砾层渗透注浆机理研究与工程应用

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Field test study of methods for supporting large-section inclined shaft in gravel layer

卵砾石层大断面斜井井筒支护方法现场试验研究

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Slurry making technique of holing by churning driven in sand gravel layer

旋挖式钻孔砂卵石层条件下泥浆制作技术

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The embankment model was built, and the thermo-mechanism was studied to protect permafrost by the effects of Balch and natural convection in the coarse gravel layer.

根据粗砾石的Balch效应和级配改良粗粒层自然对流效应，分析级配改良结构性路基保护多年冻土的热学工作机制；

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Karez water is leaking through the mountain snow water flow inside the gravel layer of diving.

坎儿井的水源就是山上的雪水经过渗漏流砾石层里的潜水。

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Practical effect of PHC piles driven into gravel layer by high-frequency vibratory hammer

卵石层中采用高频振动锤施打PHC管桩效果分析

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The behavior of grouting pile inserted into sand or gravel layer under axial load

嵌入砂或砂砾层中的桩底灌浆桩竖向承载性能研究

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Gravelly-sand over an iron-pan and gravel layer.

沙砾覆于铁质土层与砂砾层之上.

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Discussion on Geological Drilling in Gravel Layer of Dongting Village Xin Jia Yuan Project

武汉东亭村新嘉源项目卵石层地质钻探技术探讨

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