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cemented interface
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  胶结面
     A Study On the Major Factors effecting the Shear Strength of the Cemented Interface between Concrete and Bedrock
     影响混凝土与基岩胶结面抗剪强度的主要因素研究
短句来源
     Determination of Shear Strength between Bedrock and Cemented Interface of Concrete by Considering Multi-factors
     考虑多因素的基岩与混凝土胶结面抗剪强度确定
短句来源
     On the basis of in situ direct shear tests the effect of roughness, concrete strength and normal stress on the shear strength of the cemented interface between concrete and bedrock has been systematically studied. As a result of this study, an efficient method for assessing the shear strength of the cemented interface is presented.
     通过现场直剪试验,比较系统地研究了糙度、混凝土强度和正应力对混凝土与基岩胶结面抗剪强度的影响,从而提出了对混凝土与基岩胶结面抗剪强度进行评价的有效方法。
短句来源
     Taking the north anchor foundation pit of the suspension bridge at the south part of Runyang Bridge as an example, the factors that influence the shear strength of cemented interface between concrete and bedrock are analyzed.
     以润扬大桥南汊悬索桥北锚碇基坑工程为背景 ,分析了影响锚碇混凝土基础与基岩胶结面抗剪强度的多种影响因素。
短句来源
     Through the zoning the bedrock surface is analyzed and the formula for the determination of the shear strength of the whole anchor foundation is proposed. The rationality of the said method to determine the shear strength of the whole cemented interface between concrete foundation and bedrock is discussed by considering multi-factors and tests.
     在此基础上 ,将基岩面分区分析 ,并概化出确定锚碇整体抗剪强度参数值的公式 ,探讨了在试验基础上考虑多种因素时整个胶结面抗剪强度确定方法及其合理性
短句来源
  “cemented interface”译为未确定词的双语例句
     An apparent nonlinear relation of normal stress versus shear stress is obtained after determining the relationship between non-dimensional ratio τ/Rc--σn/Rc. By using the equation of the curve fitting, the shear strength of the cemented interface between any concrete strength required in construction and bedrock can be obtained.
     用无因次比τ/R_c与σ_n/R_c的关系,得到正应力与剪应力的明显非线性关系,拟合其曲线方程,从而得到工程所需的任一混凝土标号的抗剪强度。
短句来源
     The study shows that the roughness is a major factor which influences shear strength. The shear strength for design can be basically estimated according to the basic friction angle and the peak dilation angle of the interface, and the shear strength of the cemented interface without normal stress.
     研究表明,粗糙度是影响抗剪强度的主要因素,根据混凝土与基岩接触面的基本摩擦角和峰值剪胀角,以及胶结面的抗切强度,对设计采用抗剪强度可作出基本的估计。
短句来源
  相似匹配句对
     Microsensors and Its Interface
     微传感器及其接口
短句来源
     INTERFACE FRACTURE
     界面断裂
短句来源
     Study on Craze and Interface Crack of Combined Ceramics and Cemented Carbide Inserts
     陶瓷-硬质合金复合片龟裂及界面开裂研究
短句来源
     Microstructures and Properties of Fusion Welding Interface between Cemented Carbides and Steels
     硬质合金与钢熔焊界面组织与性能
短句来源
     FeNi-CEMENTED CARBIDE
     铁镍粘结硬质合金
短句来源
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On the basis of in situ direct shear tests the effect of roughness, concrete strength and normal stress on the shear strength of the cemented interface between concrete and bedrock has been systematically studied. As a result of this study, an efficient method for assessing the shear strength of the cemented interface is presented.Due to the varieties of concrete strengths the test results of τ-σn seem to be scattered.An apparent nonlinear relation of normal stress versus shear stress is obtained...

On the basis of in situ direct shear tests the effect of roughness, concrete strength and normal stress on the shear strength of the cemented interface between concrete and bedrock has been systematically studied. As a result of this study, an efficient method for assessing the shear strength of the cemented interface is presented.Due to the varieties of concrete strengths the test results of τ-σn seem to be scattered.An apparent nonlinear relation of normal stress versus shear stress is obtained after determining the relationship between non-dimensional ratio τ/Rc--σn/Rc. By using the equation of the curve fitting, the shear strength of the cemented interface between any concrete strength required in construction and bedrock can be obtained.The study shows that the roughness is a major factor which influences shear strength. The shear strength for design can be basically estimated according to the basic friction angle and the peak dilation angle of the interface, and the shear strength of the cemented interface without normal stress.Therefore, in order to determine the shear strength of the cemented interface between concrete and bedrock, it is extremely important to obtain the basic friction angle of concrete against the plane-surface of the bedrock; make measurement of the peak dilation angle and the shear strength without normal stress; and determine the concrete strength during the direct shear tests under appropriate roughness.

通过现场直剪试验,比较系统地研究了糙度、混凝土强度和正应力对混凝土与基岩胶结面抗剪强度的影响,从而提出了对混凝土与基岩胶结面抗剪强度进行评价的有效方法。 由于混凝土强度不同,造成τ与σ_n关系点群分散。用无因次比τ/R_c与σ_n/R_c的关系,得到正应力与剪应力的明显非线性关系,拟合其曲线方程,从而得到工程所需的任一混凝土标号的抗剪强度。 研究表明,粗糙度是影响抗剪强度的主要因素,根据混凝土与基岩接触面的基本摩擦角和峰值剪胀角,以及胶结面的抗切强度,对设计采用抗剪强度可作出基本的估计。 因此,确定混凝土与基岩平整面的基本摩擦角;在直剪试验中准确地测定峰值剪胀角、不加正应力的抗切强度和混凝土的强度;以及选择适当的糙度,对最终确定混凝土与基岩胶结面的抗剪强度极为重要。

Corresponding to various shear strength with even stress distribution,the real shear strength of cemented interface between concrete and bedrock is studied in this paper by elasto plastic FEM.The effect of Young's modulus of concrete and rock upon the real shear strength is analyzed,and the influence of sample shape on the test result about shear strength is studied too.Some propositions that can be taken as references for engineering practice and in situ shear test are put forward.

采用弹塑性有限元法,分析研究了混凝土与基岩胶结面的不同平均应力抗剪断强度对应的真实抗剪断强度,以及混凝土和基岩弹性模量取值对计算真实抗剪断强度值的影响.提出了一些可供现场抗剪断试验和工程设计时选择抗剪断强度的参考意见.

In the fracturing process for making the horizontal fractures, the interlayer channeling often takes place. In order to investigate the causes of interkyer channeling, the finite element numerical simulations were carried out by means of the software ANSYS. The results demonstrate that the interkyer channeling is resulted from the shear destruction of the second cemented interfaces nearby. The shear destruction is induced by the imbalance of pressures acted on the upper and lower surfaces of interlayer....

In the fracturing process for making the horizontal fractures, the interlayer channeling often takes place. In order to investigate the causes of interkyer channeling, the finite element numerical simulations were carried out by means of the software ANSYS. The results demonstrate that the interkyer channeling is resulted from the shear destruction of the second cemented interfaces nearby. The shear destruction is induced by the imbalance of pressures acted on the upper and lower surfaces of interlayer. The lowest limits of interlayer thickness for the balance fracturing technology and the ordinary fracturing technology were determined on a series of calculations. When the thickness of interlayers is over the limits for these two technology,the interlayer channeling would probably take place in the practice. This result may provide a quantitative reference for putting the balance fracturing technique into practice.

在形成水平裂缝的压裂施工中,常会发生薄层间窜流的现象。借助于有限元分析软件ANSYS,对层间窜流的原因进行了深入的模拟分析。模拟结果表明,在压裂施工中,水平主裂缝附近第二胶结面会发生受拉张开和压裂液渗入的现象,但这并不会直接导致层间窜流,隔层上、下压力差使附近的第二胶结面产生剪切破坏才是层间窜流的直接原因。在此基础上,针对平衡压裂和常规压裂两种工艺,对不同厚度的隔层进行了抗压强度计算,给出两种工艺下隔层不发生窜流的下限厚度,为平衡压裂技术的实施提供了量化的参考标准。

 
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