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- The deformation properties of pyrophyllite powder compact after peak stress were changed from strain softening to ideal plasticity. 相比于粉压叶蜡石峰后从应变软化转化为理想塑性,天然叶蜡石表现出相对的脆性。
- Study of Rock Dilatancy Characteristic and Dilatancy Model After Peak Stress 岩石峰后扩容特性及扩容模型的探讨
- Keywords Rock dilatancy;After peak stress;Plasticity;Confining pressure;Dilatancy angle; 岩石扩容;峰后;可塑性;围压;扩容角;
- After peak stress 峰后
- Methods: 52 coronary heart disease pateints (CHD), 84 normal persons as control and 18 false?positive persons underwent treadmill stress test with Bruce protocols. QTD and QTcd were measured before and after peak exercise stress test. 方法:按Bruce方案对52例冠心病、84例正常人和18例运动试验假阳性者进行平板运动心电图检查,测定运动前后QT离散度。
- Stern shall be connected to solid floors of After Peak tank as per rules of classification society. 艉尖舱的实肋板和艉柱的连接按照船级社的要求。
- In peak stress,the above value were 71%,93%,76%,96% and 57% for 2-D DSE and 83%,93%,86%,97% and 68% for 3-D DSE. 负荷状态下,2 - D DSE敏感性71%25 ,特异性93%25 ,准确性76%25 ,阳性预测值96%25 ,阴性预测值5 7%25。
- The results show that peak stress of rock specimens increases with confining pressure. 研究结果表明,岩样的峰值应力都随着围压的增大而增大。
- The load relaxation tests after peak load indicate that rockburst has two types the one is original rockburst, and the other is impellent rockburst. 对岩石峰值载荷后的松弛试验发现具有两类岩爆:一类是本源型岩爆;
- The soil is of perfect plastic behavior after peak strength in the stress-strain relationship in istropical consolidation undrained compression. 试验结果表明,土体力学性质在不排水剪切试验中应力应变关系达到峰值强度后基本为理想塑性。
- The second stiffness, the peak stress and strain declined with preload ratio ascending, and the extent developed with the enhancement of CFRP ply. 而碳纤维包裹层数的增加,则放大了这种效应。
- Experiential formulas are established on the relationships between strain rate and strength, strain at peak stress and modulus. 对强度、峰值应力处应变、弹性模量分别给出了反映应变速率影响的经验公式;
- The uniaxial press stress-strain curve could be founded if only the initial elastic modulus, peak stress and its secant modulus are determined. 只要知道腐蚀混凝土初始弹性模量、峰值应力及此时的割线模量,就可以建立混凝土腐蚀单轴受压应力-应变曲线。
- Where it is impracticable to provide to transition brackets abaft the after peak bulkhead because the after-body of the ship is too fine, the arrangement may be specially considered. 如尾部线型过于尖瘦,在尾尖舱舱壁后设过渡肘板有困难时,其布置可特殊考虑。
- The failure criterion is a composite Mohr-Coulomb criterion with tension cut-off.Beyond the peak stress, the linear strain-softening constitutive relation is adopted. 峰值强度后的本构模型取为莫尔库仑剪破坏与拉破坏复合的应变软化模型。
- With the deep corrosion, the initial elastic modulus is much close to the secant modulus at the peak stress, and meanwhile the stress-strain curve tends to a tip shape. 随腐蚀加深,初始弹性模量和峰值应力时割线模量接近,压力-应变曲线形状变尖。
- Where it is impracticable to proide to transition brackets abaft the after peak bulkhead because the after-body of the ship is too fine, the arrangement may be specially considered. 如尾部线型过于尖瘦,在尾尖舱舱壁后设过渡肘板有困难时,其布置可特殊考虑。
- She was a bit queer after her husband deserted her. 她遭丈夫遗弃後精神有点失常。
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。