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- Abstract: Introduceing the pedestrian subway construction method works and fitted technical measures with the shallow depth and covered cut method at the saturated sand layer in the city in the light of Pedestrian Subway of Xiangxi-Road Works. 文摘:结合向西路地下人行通道工程实例,介绍城市饱和含水砂层中采用浅埋暗挖法修建地下人行通道施工方法和配套技术措施。
- saturated sand layers 饱和砂层
- saturated sand layer 饱和砂层
- Principle of saturated sand cyclic liquefaction evaluation by shear wave velocity was presented. 摘要介绍了应用剪切波速判别饱和砂土振动液化的原理;
- A liquefaction model for saturated sand soil is establishedaccording to the principle of effective stress under explosive loading. 运用有效应力原理,建立了用于描述三相饱和砂土爆炸动力分析的实用模型。
- The main sediments of Holocene sections are clay and sand soil with mini sand layers in North Taklimakan desert. 全新世以来塔克拉玛干北部(以下简称塔干北)主要沉积物组成为亚粘质土、细砂夹杂着粉砂。
- YAN-Lin,LI Shi-hai.A project report of blasting-ramming combined densification of saturated sand[J].Soie Engineering and Foundation,1997,11(4):1-4. [11]燕琳;李世海.;爆炸-强夯联合加密饱和砂基的工程实践[J]
- Cyclic triaxial tests are conducted on saturated sand in drained condition with cyclic loading and unloading of deviatoric stress and constant spherical stress. 在固结排水条件下保持球应力不变,进行了偏应力往返作用下的动三轴试验,分析了饱和砂土的体积变形特性。
- LIU Xiao-sheng,ZHZO Dong,WANG Wen-shao.Effects of in-situ fabric on the dyn amic deformation behavior of saturated sand[J].Journal of Hydraul ic Engineering,1993,2: 32-42. [1]刘小生;赵冬;汪闻韶: 原状结构性对饱和砂土动力变形特性影响试验研究[J].;水利学报;1993;2: 32-42
- The resista nce decreases intensely when the slenderness ratio of the hot molding sand layer increases. 阻力随干砂层长细比的增加而急剧减小。
- When the "turbid wind" with almost a saturated sand concentration changes to a refreshing breeze after getting rid of the sand dust around the protective net, it exhibits an even more powerful wind abrasion when blowing across the cliff region. 当含沙量几乎饱和的"浑浊之风"在防护网前后卸下沙尘变成清风,在吹过崖区时便显出更强的风蚀作用。
- The coal seam in Daming No.1 &No.2 Mines, Tiefa Mining Administration is overlain by a rich water bearing Quaternary sand layer. 铁法矿务局大明一、二矿的煤层上覆为含水丰富的第四系砂层。
- TianHuang is found in the field along the side of Gaoshan mountain stream.It is the monazite stone in ancient sand layer. 田黄藏于寿山山溪两旁水田底层,是古砂层中的零散石块。
- When the "turbid wind" with almost a saturated sand concentration changes to a refreshing breeze after getting rid of the sand dust around the protective net,it exhibits an even more powerful wind abrasion when blowing across the cliff region. 当含沙量几乎饱和的“浑浊之风”在防护网前后卸下沙尘变成清风,在吹过崖区时便显出更强的风蚀作用。
- In this paper, the advances on the research of the dynamic constitutive models of the saturated sand and clay are reviewed and summarized in detail, and suggestions are provided for future developments and studies. 本文对饱和砂土和饱和粘土动力本构模型的研究进展情况进行了较为详细的综述,并对其未来发展的一些方向和有待进一步研究的问题作了介绍。
- When topsoil for rich contain water of pound at layer or flow a sand layer, the inclined and tidy tube dig into the technique complications, sometimes hard pass. 当表土为富含水的冲击层或流砂层时,斜井井筒掘进技术复杂,有时难以通过。
- Based on the analysis of the liquefied mechanism of saturated sand,this paper analyzes the effect of three measures such as compacted sand pile,vibro replacement gravel column and bag sand-well. 在分析饱和砂土液化机理的基础上,结合工程实例探讨挤密砂桩、振冲碎石桩、袋装砂井3种处理方法,优选出挤密砂桩法,使该路段砂土液化地基处理既经济又可靠。
- The results show that the sand layer apparently influences capillary water rising height, rate and groundwater supply amount, and has obvious retarding effect on soil water. 结果表明,砂层对毛管水上升的高度、速率以及地下水补给量有明显影响,砂层对于水分有着明显的阻滞作用。
- Near-surface giant-thickness of sand layer in large desert area is a basic reason seriously attenuating high components of seismic waves and reducing seismic resolution. 大沙漠区近地表巨厚沙层是导致地震波高频成分严重衰减、地震分辨率降低的根本原因。
- Flow failures usually form in loose saturated sands or silts on slopes greater than 3 degrees. 流动塌陷常见于松软的湿沙土壤或坡度大于三度的泥沙土壤。