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deep alluvium     
相关语句
  深厚冲积层
     The Status Quo and Thinking of Deep Alluvium Vertical Shaft Freeze Design Theory
     深厚冲积层立井冻结设计理论现状与思考
     Study on the thickness of frozen wall in deep alluvium
     深厚冲积层中冻结壁厚度的研究
短句来源
     In-Situ Measurement on the Stress of Reinforcing Steel Bar of Outer Freezing Shaft Wall in Deep Alluvium
     深厚冲积层中冻结井外壁钢筋应力的实测研究
短句来源
     This article in the analysis deep alluvium vertical shaft freeze design theory and in the project application present situation foundation, like buried the artificial frozen earth basic physical property, the multi-circle hole temperature field analysis, the freeze wall intensity deeply to existence several key questions and stable and so on has carried on the thorough analysis, will propose should from now on the key research solution topic.
     本文在分析深厚冲积层立井冻结设计理论和工程应用现状的基础上,对存在的几个关键问题如深埋人工冻土基本物理特性、多圈孔温度场分析、冻结壁强度与稳定性等进行了深入的剖析,提出了今后应重点研究解决的课题。
     A Study on Mechanical Characteristic of Frozen Soil Wall and Shaft Lining as Well as Their Interaction Mechanism in Deep Alluvium
     深厚冲积层冻结壁与井壁的力学特性及其共同作用机理研究
短句来源
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  深厚表土层
     Experimental study on high strength composite shaft lining in deep alluvium
     深厚表土层中高强复合井壁结构的试验研究
短句来源
     Aiming at the deep alluvium support of coal shaft, the composite shaft lining of high strength concrete and double steel cylinders is presented.
     针对煤矿立井井筒深厚表土层的支护,提出了采用双层钢板高强混凝土复合井壁结构。
短句来源
     Study indicates that, the new type shaft wall structure shape can work under full loading after assemblage in shaft, and it has great loading capability and good mechanics characteristics. It applied to outer shaft wall supporting in frozen shaft in deep alluvium which deeper than 400 m.
     研究表明,该种新型井壁结构形式具有在井下装配后即可满负荷工作,承载能力大、受力特性好等优点,适用于400m以上深厚表土层冻结井外层井壁支护.
短句来源
     Combined with new auxiliary shaft engineering in Zhang Shuanglou coal mine and in light of its special engineering geologic condition,this paper introduces the basic working procedure and attentions of vertical shaft construction by freezing method in deep alluvium district,and points out that man should adopt the construction scheme of short-section shaft sinking and seriously control the bench height in construction,in order to control exposure time of shaft wall and to grasp the optimal time of excavation.
     结合张双楼矿新副井工程,针对特殊的工程地质条件,介绍了在深厚表土层地区立井施工冻结法的基本工序及注意点,指出施工中应当采取短段掘砌的施工方案,严格控制段高,进而控制井帮暴露时间,以抓住开挖的最佳时机。
短句来源
  深厚表土
     Loading and Structure of Shaft Lining by Shaft Drilling in Deep Alluvium
     深厚表土中钻井法凿井的井壁外载和结构
短句来源
  “deep alluvium”译为未确定词的双语例句
     Optimization analysis on length of connection slab for high concrete faced rockfill dam on deep alluvium deposit
     覆盖层上高面板坝连接板长度优化分析
短句来源
     Study on resistance to deformation of artificially frozen soil in deep alluvium
     深部人工冻土抗变形特性研究
短句来源
     Study on Freezing Point of Wet Soil and Thickness Determining of Freezing Wall in Deep Alluvium
     厚表土层湿土结冰温度与冻结壁厚度确定的研究
短句来源
     The application of new drilling accumulate important experiences in the developing the shaft building technique of deep alluvium and it has the vital significance in saving the resource of the deep and big shaft construction and reducing the cost.
     新钻机应用对发展深厚冲击层建井技术积累了重要经验,对深大井筒施工节约资源、降低成本具有重要意义.
     In order to determine the behaviour of stress-strain of frozen soil in the deep alluvium,the triaxial unloading shear tests at temperature of -2 ℃,-5 ℃,-7 ℃,-10 ℃ and a confining pressure of 1~5 MPa were performed in cold laboratory after specimen experienced K0 consolidation.
     通过模拟人工冻结凿井中土体固结、冻结、受力的实际过程,研究了经K0固结后兰州冻结黄土在径向卸载状态下的应力-应变行为,并利用试验资料所建立的数学方程研究了K0固结后冻土的初始切线模量Ei和主应力差渐近值(s1-s3)ult与初始围压s3、温度的关系。
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  deep alluvium
The best teak forests, both natural and plantation forests, grow in well-drained deep alluvium.
      
These stations are located in deep alluvium plain area, so-called Western Coastal plain.
      
Deep alluvium with well-defined layers of mature profiles are found in flatter valley areas in Budgam and Srinagar area.
      


In this paper accelerograms recorded at alluvium (corresponding to site category IV in Chinese code) in western part of the United States are selected and divided into three groups according to their epicentral distance to calculate their acceleration response spectra. The minimum coefficient of variation for statistical study is achieved by using peak ground acceleration, velocity and displacement to calibrate the spectra within high, medium and low frequency range respectively. In order to consider the influence...

In this paper accelerograms recorded at alluvium (corresponding to site category IV in Chinese code) in western part of the United States are selected and divided into three groups according to their epicentral distance to calculate their acceleration response spectra. The minimum coefficient of variation for statistical study is achieved by using peak ground acceleration, velocity and displacement to calibrate the spectra within high, medium and low frequency range respectively. In order to consider the influence of the deep alluvium in Shanghai on the nature of the spectra, a response analysis with a model of the linear elastic one-dimensional soil layers under some excitations which are accelerograms at rock recorded in the western part of the United States has been conducted. At last, based on average spectra of these results a spectrum for the seismic design of structures in Shanghai area is presented.

本文精选了一部分美国西部地区软弱场地上的实际地震记录,按其震中距分为近、中、远震三组,在高频段、中频段和低频段分别采用地面运动的峰值加速度、峰值速度和峰值位移标定其加速度反应谱,进行分段统计,使得变异系数最小。再根据上海地区的地震地质背景,进行了一维线弹性土层地震反应分析,最后根据远震记录分段统计反应谱和土层地震反应分析的反应谱的各自特点,提出了适于上海地区抗震设计的规一化反应谱

A series of triaxial compression tests on plastic concrete samples has been conducted to investigate its mechanical properties.The test results show that as the confining pressure increases,the strength and strain at peak stress of plastic concrete increase tremendously and its initial modulus has little change.At the same time the failure mode is a plastic-shearing one under confining pressure.These are different from the previous result of plastic concrete being brittle and low strength obtained from unconfined...

A series of triaxial compression tests on plastic concrete samples has been conducted to investigate its mechanical properties.The test results show that as the confining pressure increases,the strength and strain at peak stress of plastic concrete increase tremendously and its initial modulus has little change.At the same time the failure mode is a plastic-shearing one under confining pressure.These are different from the previous result of plastic concrete being brittle and low strength obtained from unconfined compression test,of which the condition does not satisfy with the real stress condition of the diaphragm in situ.The study suggested an important idea of using plastic concrete instead of common concrete to build deep diaphragm under high earth-rockfill dam.This has been proved by the stress-displacement analysis for a high earth-rockfill dam with deep alluvium having a cut off by F. E. M..

本文通过大量的试验着重研究四周压力对塑性混凝土力学特性的影响,揭示了塑性混凝土在四周压力加大时呈塑性破坏,其强度、峰值应变有极大的增加,而其初始模量基本无变化的特性.依据试验资料求得的参数,对一典型高土石坝深覆盖层塑性混凝土防渗墙的应力、位移进行了有限元计算,并用剪应力动用水平和拉应力值判断其强度方面的安全程度.上述工作为塑性混凝土在中、高土石坝深覆盖层防渗壤中应用的可能性和合理性提供了重要论据.

It is important to study the deep alluvium for the development of water power construction in our country. The deep alluvium in the valleys in west sichuan is taken as a example and its engineering geologic characteristic, especially its bearing capacity, deformation beaviour, the parameters of strength, the behaviour of seepage and their engineering geologic evaluation are studied in this paper. It is pointedout that the...

It is important to study the deep alluvium for the development of water power construction in our country. The deep alluvium in the valleys in west sichuan is taken as a example and its engineering geologic characteristic, especially its bearing capacity, deformation beaviour, the parameters of strength, the behaviour of seepage and their engineering geologic evaluation are studied in this paper. It is pointedout that the degree of compaction and grain composition of the deep alluvium are main factors to control its engineering geologic characteristic. The correlation equation for evaluation is suggested in this paper.

河谷深厚覆盖层广泛分布于我国大江大河中,其研究对加快我国水利水电工程建设具有重大意义。文中以川西河流为例,论述河谷深厚覆盖层的基本特征及工程地质特性,并重点论述河谷深厚覆盖层的承载力、变形、强度参数及渗透特性的评价方法。研究指出,密实度及颗粒级配组成,是控制河谷深厚覆盖层工程地质特性的主要因素。还建立了用于评价研究的相关关系式

 
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