1) stress triaxiality
应力三维度
1.
The experiment study on the stress triaxiality with the fracture mechanism for 16MnR steel;
16MnR钢应力三维度与断裂机制的实验研究
2.
Influence of material properties and specimen geometry shapes on stress triaxiality
材料性质和试样几何形状对应力三维度的影响
3.
By investigating the fracture phenomena of several types of alloy steels in the process of conventional destructive test and mixed fracture test,several macroscopic fracture forms under different stress triaxiality are analyzed.
通过研究几种合金钢在常规破坏试验和复合型断裂试验过程中的断裂现象,分析不同应力状态下的断裂试验结果,发现随应力三维度由大到小变化,材料的断裂形式依次为组织断裂、孔洞正断、孔洞剪断、塑性剪断及焊合。
2) stress tri-axicity
应力三维度
1.
Based on the test results for mixed mode fracture of some ductile materials, the varying laws for shape of hole nucleation and polymeric mode along with the varying of the stress tri-axicity were analyzed.
考察了几种金属材料在常规破坏试验与拉-扭双轴破坏试验中,随受力条件不同,材料不同形式断裂破坏变化规律和相应的断裂条件;利用几种韧性材料复合型断裂试验结果,分析了随应力三维度变化,材料中孔洞成核形状与聚合方式的变化规律,分析了不同断裂形式时启裂点、启裂方向变化规律及主要影响因素。
2.
The stress tri-axicity is used as stress parameter for reflecting the specification of fracture.
一般用应力三维度作为应力状态参数来反映材料断裂情况,但应力三维度是通过试验来测定的,试验过程具有不确定性。
3) triaxiality
[trai,æksi'æliti]
三维应力度
1.
In this paper,based on works[1]and[2], the relationship between the fracture toughness and the triaxiality stress parameter R0 is deduced, by which several other critical fracture toughness of different crack lengths may be calculated by the triaxiality stress parameter R0, provided that one referenced critical fracture toughness is known.
本文首先通过有限元分析,在不同长度裂纹尺寸结构的临界破坏载荷下计算出临界断裂韧性值,然后从细观入手,在文献[1][2]等的工作基础上,通过理论推导得到了三维应力度参数R_σ与断裂韧性的关系。
4) 3D stress
三维应力
1.
The characteristics of 3D stress distribution of coal-seam and its thickness effects are obtained.
基于非对称综放开采布置特点,以谢桥煤矿1151(3)综放面地质技术条件为背景,采用计算机数值模拟,并结合现场实测研究,揭示非对称开采煤层三维应力分布及一次开采煤厚变化对应力分布的影响规律。
2.
The coupling equation of the seepage flow in fractured rock masses and 3D stress is concluded.
围绕裂隙岩体渗流与应力之间的关系问题,从理论出发,经过合理的建模和严密的推演,得出裂隙岩体渗流与三维应力的耦合方程。
3.
The physical model and strict relative equations of rock mass with single fracture under 3D stresses are proposed by considering the tectonic characteristics of fracture in rock.
建立了单一裂缝岩体在三维应力作用下的物理模型和严密的关系方程,推导出渗透系数计算公式,并对该公式进行了大量的三轴试验数据的验证。
5) three dimensional stress
三维应力
1.
The experiment expresses that the method of control fracturing of rock in three dimensional stress state can create cracks more than two randomly and improve the permeate rate of rock seams efficiently.
通过对岩石三维应力控制压裂实验结果的分析，得出了裂缝的条数、长度、方向与应力场、装药量、孔径的关系。
6) D stress
三维应力
1.
In this paper, the secondary stress, radius and displacement in plastic zone of cylinder tunnel under 3-D stress are analyzed on basis of do u ble shear strength theory.
为此本文利用双剪强度理论分析了三维应力状态下圆筒形巷道塑性区次生应力、半径和位移。
2.
In this paper,the authors study stress and strain field of rock body in dam site using 3- D finite- element simulation method,discuss the correlation3- D stress and strain of rock body to rock failure,and evaluate the stability of rock body.
采用三维有限元数值模拟方法 ,对坝址区岩体应力场和位移进行了研究 ;探讨了岩体三维应力、应变分布与岩体变形破坏的关系 ,评价了岩体的稳定
补充资料：岩体温度应力
岩体温度应力
temperature stress in rock mass
yontl Wendu y.ngl-岩体温度应j7(temperature、tres、in:ockmass)岩体随地壳中温度变化发生热胀冷缩而产生的应力。昼夜、季节的温度变化和岩浆活动是在岩体中产生温度应力的天然原因。地下核爆炸可使岩体中产生较高的温度应力，一般的工程开挖在岩体中产生的温度应力不大，影响范围很小。岩体在约束条件下，温度升高IC，可产生。，4一。.SMPa的温度应力，年温度变化，可在地表岩体中引起20一30MPa的温度应力变化，这是地表岩体发生物理风化破碎的原因之一。在一般地下工程中，温度变化不大，岩体温度应力对岩体工程影响很小。 (王文星)
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参考词条