对现有国内外剪压砌体破坏准则进行了分析比较,并指出了其中的不足。
Analysis and comparison have been made on the failure criteria of masonry in compression-shear at home and abroad, and their shortcomings have been pointed out.
从砌体细观结构出发,提出了用于砌体复合剪压受力过程模拟的细观力学模型。
A mesoscopic mechanics model for masonry structures is established based on elastic damage mechanics and the tests of masonry structures under shear-compression loading.
通过三砖双剪面砌体模型试验研究了动力加载条件下的砌体剪压复合受力相关性。
The results show that the stress correlation under dynamic loading is in much similar to that under static loading.
剪压比过大是异形柱节点发生斜压破坏的根本原因,控制节点剪压比尤其是腹板剪压比具有重要的意义。
The main reason of the damage of the special-column is the strong shear force ratio, so it's important to control the shear force ratio of the joint.
介绍了对含闭合裂缝岩石试件在达到峰值压剪荷载时卸荷的裂缝断裂形态观察结果。
The observational result of crack fracture form for rock samples with close crack under unloading after the peak compression shear load.
随着压型钢板的广泛应用,充分考虑这些面层在其平面内的抗剪能力——受力蒙皮作用,不仅能真实反映结构的实际工作,而且还可获得相当的经济效益。
With widely applying of profiled sheet, it is not only reflect the working of structure but also obtain benefit that considering the ability resistance to shear of profiled sheet in the plane itself.
对比例加载时弹性体压剪裂缝的变形及接触摩擦力问题进行了研究。
The deformation and contact frictional force of elastomer pressure shear break are studied in proportion loading .
压实粘土浸水饱和后,压缩变形显著增加,抗剪强度和粘聚力则显著降低。
Soaking leads to a significant increase in compression deformation and a significant reduction in shear strength and cohesion.
把线弹性断裂力学的理论应用到高强混凝土压剪构件的开裂强度分析中,建立相应的计算力学模型。
Applying theory of linear elasticity fracture mechanics to the analysis of high strength concrete (HSC) compress shear member's cracking stress, a corresponding model is established in this paper.
其具有压实性能好、透水性强、填筑密度大、抗剪强度高、沉陷变形小、承载力高等工程特性,是一种性能良好的天然建筑材料。
As a sort of nicer natural building material, it has good compactibility, high permeability, great filling density, high shear strength, less settlement and deformation, and high bearing capacity etc.
试验表明,压实度、压实含水量及土体饱和状态对粘聚力和内摩擦角有影响,从而使抗剪强度也受到三因素的影响。
Results show that degree of compaction, compaction water content and saturation state of compacted soil have influence on cohesion and Angle of friction of clay, thereby on the shear strength of clay.
原状膨胀土在吸力和净围压较低时的剪胀和软化特性主要是由于结构损伤的演化引起。
The dilation and softening characteristics of natural expansive soil while shearing under low net mean stress and suction are mainly caused by the evolution of damage structure.
他们能也是依于剪和压曲的行动和在例外情况对扭力。
They too can be subject to both shear and bucking action and in isolated cases to torsion.
模型对传统修正剑桥模型中的剪胀性公式进行了改进,考虑了状态转换应力比与初始有效围压的相关性。
The traditional dilatancy equation of Cam-clay model was modified and the relativity between the phase transformation stress ratio and initial effective pressure was considered.
采用岩石破裂过程分析软件RFPA2D对预制裂隙大理岩试样的压剪试验进行数值模拟。
A numerical simulation of the experiment on rock with preexisted cracks under compression is presented by using a rock failure process analysis code, RFPA2D.
试件参数包括钢管壁厚、混凝土强度、剪跨比和轴压比。
Wall thickness of steel tube, concrete strength, shear-span ratio and axial force ratio were considered as test parameters.
给出了分体柱轴压比、剪跨比等概念参数的定义。
The definitions of parameters of axial compression ratio and shear span ratio of split columns were given.
至更高围压后,抗压强度与围压的应力差、抗剪强度将趋于某一常数。
Under the higher confining pressure, the shearing strength and the differential stress between the compression strength and confining pressure tend to be the constant.
这种地震填空,主要发生在那些扭压型和剪滑型的断裂带上。
This kind of earthquake filling and packing is mainly on the zones of torque-compression type and shear slip type.
采用液相烧结法将爆炸压实后的WC钢结硬质合金粉末复合在碳钢表面,对不同烧结温度下的界面组织和抗剪强度进行了研究。
WC steel-bonded cemented carbide powders being compacted by explosive compaction were bonded to the surface of carbon steel using liquid phase sintering.
钢管混凝土柱的受剪承载力与轴压比、剪跨比有关。
The shear strength of CFST columns was correlated to the axial force ratio and the shear-span ratio.
巷道底臌有挤压、压曲、膨胀和剪胀等形式,压曲底臌是最常见的一种形式。
There are roadway floor heave types such as extrusion, bending under pressure, expansion and shearing dilation, among them bending under pressure is the most common type.
探讨了压剪闭合共线双裂纹之间奇异应力场的相互作用。
Futhermore, the interaction of the singular stress field between, two initially closed collinear cracks is also studied by photoelasticity.
当吸力相同时,原状样的峰值强度和剪胀势均高于压实样,这与原状样中铁锰结核的胶结作用有关。
As compared with the compacted specimens, the natural specimens were higher in the peak shear strength and the dilatancy due to the cementation effect of the iron and manganese oxides.
对预制裂纹的混凝土试件进行拉伸、压剪数值试验,得到混凝土拉伸断裂及压剪断裂破坏过程;
Tensile and pressure-shear numerical tests are carried on the concrete specimens with precast cracks, and the tensile fracture and shear fracture process are obtained.
ETM影像揭示了元谋断裂以左行剪切走滑为主,局部张剪或压剪的性质。
ETM data reveal that the Yuanmou fault is mainly characterized by horizontal left-lateral and shear strike-slip, including ringent shear and pressed shear in part.
轴压比对节点的抗震性能有利,它可以提高节点的初裂荷载、抗剪承载力、减小节点中梁筋的粘结滑移量。
Axial compressive ratio is advantageous to seismic behavior of staggered joints. It can improve joints first crashing loads, shear resistance capacity and reduce the sliding displacement of beam bars.
受压岩体中的裂纹问题,可以归结为压剪裂纹和拉剪裂纹两种类型。
Fracture problems of rock under compression can be classified by the stress states at the crack tips into two kinds.
受压岩体中的裂纹问题,可以归结为压剪裂纹和拉剪裂纹两种类型。
Fracture problems of rock under compression can be classified by the stress states at the crack tips into two kinds.
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