development of crack造句
例句与造句
- In addition , the shapes can retard the development of cracks and improve the shearing strength according to the results
同时试验结论还表明，采用型钢加强对抑制裂缝的发展和抗震有较好的作用。 - The bending property of hsc structure under blast load is also observed . throughout all these tests the development of cracks is recorded
另外进行了浅埋高强混凝土拼装式箱形结构化爆试验，以检验其动载抗弯性能。 - Various defects of the runner caused in its design , manufacture process and excessive residual tensile stress promote the initiation and development of cracks excessively
转轮在设计和制造过程中形成的各种缺陷以及过大的残余拉应力加速了裂纹的萌生和扩展。 - Secondly , comparison of the tested results unveiled effect of various longitudinal reinforcement ratios on development of cracks , final failure mode , and ultimate capacity . primary conclusions were thus drawn
其次，通过对比研究不同纵筋率试件的裂缝开展和延伸规律、破坏形态特征、以及承载能力等，初步总结了纵筋率的影响规律。 - Mechanic performance of model beams is studied . 2 . development of cracking and deformation of model beams with different ppr are studied and analyzed . afterwards , calculation method of defection of model beams is put forward
研究并分析了体外预应力混凝土连续梁在不同预应力比率作用下的裂缝发展规律和变形规律及其影响因素，同时提出了挠度的计算方法。 - It's difficult to find development of crack in a sentence. 用development of crack造句挺难的
- Cracking failure of centrifugal compressor ' s impellers was analyzed , the welding craters in the impellers led to stress concentration . the unsteady gas flow accelerated the development of cracks in the impeller
摘要针对某石化公司离心压缩机叶轮多次发生开裂、掉块等故障以及裂纹形成机理进行了分析。分析结果表明了叶轮开裂原因系疲劳开裂，叶轮焊接缺陷产生了焊接弧坑，造成表面应力集中，气流激振加速了裂纹扩展。 - A majority of previous studies on the effect of longitudinal reinforcement ratio to shear behavior of reinforced concrete members were focusing on ultimate capacity , only a few were engaged in detailed recording of the overall development of cracking and investigation of final failure modes
在纵筋率对梁受剪性能的影响方面，已有一些学者进行了试验研究。但这些研究较为偏重于纵筋率对承载力影响，而较少关注纵筋率对裂缝开展特征和最终破坏形态的影响。 - 2 ) nonlinear fem was employed to simulate the whole process of changing internal force and deformation , the appearance and development of cracks , and to describe the failure mode and the ultimate strength capacity level . in addition , proven analysis model can provide more information so as to break the limits of test study
2 )通过密肋复合墙体非线性有限元分析，较为真实、简化地模拟墙体内力和变形发展的全过程，描述裂缝的形成和扩展以及墙体的破坏过程、破坏形态和极限承载力水平。 - According to test results of two specimens of local transfer rc joint from inclined column to beeline - shaped wall under vertical static loads and results of corresponding finite element analysis ( ansys ) , fundamental behaviors of the joint are achieved , which include paths of vertical load transfer before and after cracking , stress distributions , occurrence and development of cracks and final failure mode of the joint
本文通过两个钢筋混凝土斜柱?一字形薄壁柱局部转换节点在竖向荷载作用下的静力试验以及有限元分析，获得了该节点的基本性能，其中包括开裂前后的竖向荷载的传递路径、试件应力分布，裂缝的发生、发展，及试件最后的破坏形态等。 - Compounding stiffness is introduced for analyzing the characteristics of moment redistribution in the long - span floor beams structure subjected to lateral loading . it is shown from the testing result that the specimen can be analyzed by elastic theory before cracking . the development of cracking in the spandrel beams and the floor beams ( including floor ) causing the compounding stiffness and the bending stiffness of floor beams through the column to change distinctly , correspondingly moment - torque redistribution occurs
由于过柱子次梁、边主梁的开裂以及梁上次梁（包括楼板）的开裂，使得过柱子次梁的抗弯刚度和边主梁梁上次梁板组合刚度发生了明显的变化，导致产生弯扭重分配，一般情况下，组合刚度与过柱子次梁抗弯刚度的比值增大，边主梁所受扭矩增加，反之，边主梁所受扭矩减小。 - Specimens ’ cracking load under dead - load , fatigue failure characteristic , fatigue life , deflection of span - centre , fatigue flexural rigidity , maximal crack width , development of cracks and strain of concrete and steel bars have been investigated . the influence of fatigue cycle characteristic , ratio of reinforcement , kinds of aggregate and concrete compressive strength on the specimens ’ fatigue behavior has been also investigated
对试件的静载下开裂荷载、疲劳破坏特征、疲劳寿命、疲劳荷载作用下的跨中挠度、截面疲劳抗弯刚度、裂缝开展情况及最大裂缝宽度、钢筋及混凝土在循环荷载作用下应变等内容进行了研究,分析了疲劳循环特征值、纵筋配筋率、骨料种类、混凝土抗压强度等因素对试件疲劳性能的影响。 - Powder metallurgy turbine disks are worldwide adopted in most advanced aeroengine nowadays . the research of engineering application of them is actively being carried out in our country , and the key problem urgently needed to solve is their low cycle fatigue life prediction . the low cycle fatigue failure of powder metallurgy turbine disks is mainly caused by inclusions , so it ' s important to study the effect of inclusion on the stress intensity factors ( sif ) initiation and development of crack in powder metallurgy turbine disks
当前世界上大多数先进航空发动机均采用了粉末冶金涡轮盘，我国目前正在积极开展粉末冶金涡轮盘的工程应用研究，其低周疲劳寿命预测成了亟待解决的关键问题，夹杂物是引起其低周疲劳失效的主要原因，因此开展夹杂物对粉末冶金涡轮盘应力强度因子及裂纹萌生与扩展的影响具有重要意义。 - Through comparing and analyzing of bearing capacity , development of crack and strain of reinforced , the results show that the load - deflection plots f or specimens from the finite element analysis agree well with the experimental data , and choosing the rightful stress - strain relationship , utilizing ansys program , the test process can be well simulated . at the same time , making used of the program , the traditional shear wall is analyzed . it shows that comparing with the traditional shear wall , the hollow shear wall ' s cracking load drop 16 % , yield load and failure load drop 13 % , stiffness drop 13 % ~ 22 %
其次在试验的基础上，将试验手段、有限元数值模拟方法和理论分析结合起来，利用有限元程序ansys对其中的两片墙板进行非线性有限元分析，并对前后的承载性能，裂缝发展、钢筋应变进行了比较和分析，结果表明有限元节点模型分析的荷载-位移曲线和试验测得数据符合良好，选用合理的材料本构模型，利用ansys可以较好的模拟试验过程；同时利用有限元模型对比分析了普通剪力墙和空心剪力墙，空心剪力墙与普通剪力墙对比，其开裂荷载下降16 ，屈服荷载、极限荷载下降13 ，刚度下降13 22 ，开裂至屈服、屈服至极限荷载阶段的刚度衰减规律与普通剪力墙基本一致，空心剪力墙的后期刚度比较稳定。 - As soon as the normal section cracks , the crack firstly appears in the flexural region . at this moment , the load - deflection curve has a turning point . with the increase of the load , the rigidity of the beam decreases compared with that before cracking because of the development of cracks in flexural region , and the formation and development of diagonal cracks toward the loading point , the load - deflection curve is basically linear till the beam fails
正截面开裂前，荷载挠度曲线基本为线性，截面刚度较大；正截面开裂时，裂缝先在纯弯段出现，荷载挠度曲线出现转折点，随着荷载的增加，纯弯段正裂缝的发展以及剪跨段斜裂缝的产生并向梁的受压区加荷点发展，使梁的刚度较截面开裂前减少，荷载挠度曲线也基本为线性直到梁破坏。 - Steel fiber scatters stress converging in the area of the top end of tiny cracks , restrict the occurrence and development of cracks , diminishes the width of cracks , and enhances the integrity of concrete with the occurrence of cracks via the effect of felting between concrete and steel fiber , and consequently the strength of concrete that resists compression , tension , and shear force increases obviously , and the capability of concrete that resists compact , and fatigue , and the ductility and durability of fissured concrete improve
钢纤维削弱了混凝土微裂缝尖端的应力集中、限制并约束裂缝的产生和开展、减小裂缝宽度、尤其是通过粘结作用提高了裂后混凝土的整体性，从而使混凝土的抗拉、抗弯、抗剪强度显著提高，其抗冲击、抗疲劳、裂后韧性和耐久性也有较大程度的改善。
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