应用双剪理论对岩石在三轴压缩载荷下的强度和破坏特性进行了理论分析,并将分析结果与已有实验作了对比。
The characteristics of the rock strength and failure under triaxial compressions are theoretically analyzed in detail with the twin shear theory and the results are compared with experimental data.
本文根据已论证过的混凝土破坏面,即椭圆抛物面的数学模型,报导出一个用以计算混凝土纯剪强度的简单公式。
A simple formula for calculating pure shear strength of concrete is derived on the basis of the verified mathematical model of concrete failure surface, the elliptic paraboloid.
分析了型钢高强混凝土结点的受剪承载力及破坏机理。
Shear capacity and failure mechanism of steel-high strength concrete joint were analyzed in this paper.
由于试样细观缺陷非均匀性的存在,导致岩石断裂主要由拉伸破坏引起,但拉剪混合破坏仍然存在,并对抗剪强度有较大的影响。
Due to the heterogeneity, rock failure mainly results from tensile damage but shear damage still exists, which has influence on the shear strength.
并且给出用与切线模量相关的标准确定加工硬化型应力——应变关系曲线的破坏点的方法,提供了利用任意固结度下的应力路径求解不排水抗剪强度的计算式。
The method to ascertain the damage point of process harden type stress-strain curve was shown, and the calculate expression of shear strength used by stress path under random consolidation degree.
在水力侵蚀作用下黄土破坏实质上是剪切破坏,但土壤抗剪强度表现形式与外载荷作用形式密切相关。
The destruction of soil is shearing in effect, but the representation of soil anti-shearing strength is closely related to the mode of external load action.
当节点都为梁端受弯破坏或都为核心区受剪破坏时,偏心节点的耗能能力小于非偏心节点;
When the joints are destroyed by bending(or shearing), the energy Absorption capacity of eccentric joint is inferior to that of no-eccentric joint.
岩土空间破坏面位置的确定与计算所选用的破坏准则有关,运用不同的破坏准则得到的土体的破坏面位置及相应抗剪强度也不同。
The position of the geotechnical failure surface is relative to the failure criteria, and different positions and relevant shear strengths can be got by using different failure criteria.
短柱引发结构脆性破坏,采用加箍筋办法对其加强,其抗剪承载力可满足抗震要求。
Short columns can induced brittle failure, strengthen it with additional stirrups, which shearing capacity can meet the seismic requirements.
对于每一种破坏模式,给出了受剪承载力计算公式。
For each failure mode, an explicit formula is derived for the prediction of shear strength.
如果通过合理布桩可消除冲剪破坏,在给定配筋率的情况下,即可根据最大弯矩确定筏板的厚度。
If pile layout is reasonable to remove the possibility of punching failure , the thickness of piled raft can be simply determined under a certain reinforcement ratio.
通过对钢筋与金属套筒之间采用植筋胶粘结的拉伸抗剪试验,探讨了植筋胶的粘结机理和拉伸抗剪破坏模式。
Through pullout tests for shear resistance of the adhesive steel bar in the metal tube, the bond principals and failure modes of adhesives are studied.
FRP剥离是外贴frp抗剪加固混凝土梁主要的破坏模式之一。
FRP (fibre reinforced polymer) debonding is one of the major failure modes for reinforced concrete beams shear-strengthened with external FRP strips.
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.
这批试件的破坏形式为:折断破坏、弯拉破坏和剪压破坏。
The failure types of the beams were broken failure, bending-tensile failure and shear-compression failure.
这批试件的疲劳破坏形式为:折断破坏、弯拉破坏和剪压破坏。
The fatigue failure types of the beams were fracture failure, bending tensile failure and shear compression failure.
探讨了剪跨区内应力应变分布变化规律;分析了试件的破坏过程及状态。
This paper explores the regularities of the distributions of stresses and strains within the shearing spans and analyses the failure procedures and the failure modes of the specimens.
根据墙体斜截面抗剪极限承载力公式和正截面极限承载力公式,给出了墙体最终发生弯、剪破坏模式的判定,并提出了影响墙体最终破坏模式的主要因素。
Based on the formulas of oblique section bearing capacity and normal section bearing capacity, the paper set rules to determine the failure mode of the wall and gave several main factors.
深入研究粗糙胶结面抗剪强度特性对准确确定其抗剪强度参数值及分析其破坏机理具有重要意义。
Studying deeply on shear strength characteristics of rough cement face has an important meaning for precise determination of shear strength parameter and analysis on failure mechanics.
根据X型圆管相贯节点的破坏模式,总结了相对应的三种分析模型环向模型、冲剪模型和剪切模型。
Based on the breakage mode of circular tubular X-joints, three analytic models are summarized: round-direction model, clash-cut model and cut model.
对于剪跨比小的加固梁,梁端锚固条不仅可以防止发生剥离破坏,而且还改善了梁的延性。
Anchorage schemes can not only prevent the GFRP sheets from debonding but also improve the ductile behavior of strengthened beams with low shear span ratio.
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.
通过4组超高强度混凝土梁剪切试验,考察各主要因子对剪压破坏梁抗剪强度的影响。
Study on shear compression failure of RC beams without stirrups was carried out by 4 series of ultrahigh strength specimens to estimate the influence of each design parameter separately.
本文回顾了前人的钢筋砼板柱结点冲剪试验结果,分析了其所显示的裂缝开展过程和破坏形式。
The results of previous tests on the slab-column connections subjected to punching shear force are reviewed.
在此基础上,通过对砌体墙剪切破坏机理和FRP加固作用的分析,针对不同剪切破坏形态提出了受剪承载力计算方法。
And based on those facts, further analysis explains the mechanism of in-plane shear damage of masonry wall and how the FRP contribute to the wall.
现分析管桩抗剪承载力的影响因素,对调整配置参数的专用试件做抗剪试验,全过程揭示了管桩的抗剪破坏形态。
After analyzing influence factors of shear bearing capacity and shear test on specimens by special configured parameters, the whole shear failure process for pipe piles was enclosed.
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.
试验结果表明,MSW试样的直剪破坏仍遵循摩尔-库仑破坏准则。
Experimental data show that MSW's shear failure still satisfies the Mohr-Coulomb criterion.
然而在爆炸荷载作用下,结构构件大多因高阶响应而发生局部破坏,且可能发生弯剪破坏。
In actual situations, structural components might deform in high order modes and be damaged locally under blast load.
剪跨比对加固梁的破坏形态有影响。根据不同的破坏模式,提出了抗弯承载力计算方法。
The shear span ratio can affect the failure mode of RC beams strengthened with GFRP sheets. A theoretical model for flexural behavior of the strengthened RC beam is also developed.
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