Application and Research of Installing Dowel Bar in the Rigid Pavement Contraction Joint

The contraction joint width of concrete pavement influences the quality of pavement and driving.

水泥混凝土路面上的纵、横直线缝隙的宽度过大或过小都将影响路面和行车质量。

The Arrangement of Expansion and Contraction Joint and Temperture Stress in Concrete Road Surface

水泥砼路面胀缝设置与板内温度应力的分布

Effects of contraction joint contact and reservoir models on dynamic response of arch dams

不同横缝接触与库水模型对拱坝动力反应的影响

Research of the Designing Way to Bridge ′ s Expansion and Contraction Joint

桥梁橡胶伸缩缝设计方法的探讨

In each dose group, no significant changes were found in male genital pathology tests and some of the highest dose group of female uterine wall contraction reduced the uterine cavity and uterine tumors were observed.

雄鼠生殖器官病理学各剂量组检查均正常，但是最高剂量组部分F1代雌鼠子宫壁出现萎缩、子宫腔缩小以及出现子宫肿瘤。

Elastoplastic analysis on contraction of spherical cavity under drainage

排水条件下球形空腔收缩问题的弹塑性分析

The effect of electromagnetic stirring ( S-EMS? F-EMS) on center equiaxial crystal zone proportion, central crack, contraction cavity, looseness in horizontal concasting round billet has been tested and analyzed.

试验和分析了电磁搅拌（S-EMS、F-EMS）对连铸圆坯的中心等轴晶区比率、中间裂纹、缩孔、疏松的影响。

It is concluded through analysis that the combustion chamber contraction cavity of the thick-top piston is mainly caused by the defect of the mould and the inefficiency of the water-cooling system.

经过分析得出结论：造成厚大项部活塞毛坯燃烧室缩孔问题的主要原因是由于模具本身的弊端和水冷系统效果不佳。

The reason resulting in contraction cavity in top of 195T piston combustion chamber in practice was analyzed, and the countermeasures of eliminating the contraction cavity were taken.

研究了在生产195T活塞毛坯时所遇到的燃烧室顶部缩孔问题，对其产生原因进行了分析，并提出了消除缩孔所采取的措施。

Taking 195T piston mould as an example, this paper studies the problem of contraction cavity encountered during the production of thick-top pistons.

以195t活塞模具为例，研究了在生产厚大顶部活塞毛坯时所遇到的缩孔问题。

The result shows that with the increase of the inner contraction ratio, the starting Mach number of inflow is increases.

研究表明，当进气道收缩比增大时，进气道的进口起动马赫数增大；

Study on back pressure and self-starting characteristics for sidewall-compression inlet with variable internal contraction ratio by moving cowl

移动唇口变收缩比侧压式进气道反压特性和自起动性能

The area contraction ratio has obvious influence on the flow pattern, discharge, wall pressure and air pressure inside level rotary flow.

研究发现面积收缩率对流态、泄流量、壁面压强和空腔内的气体压强均有较大的影响。

The simulation results showed that with ideal conditions, nozzle contraction ratio increased, so as the flow velocity.

仿真结果表明在理想状态下，管口收缩比越大，水流速度增幅越大。

Numerical Study on the Influence of Nose Contraction Ratio on the Flow Field in Furnaces

折焰角收缩率对炉内三维流场影响的数值研究

Based on analyzing the loading stress and the temperature stress ( including contraction stress and warping stress), a calculating method of the slab size is set up.

道面板的尺寸是由飞机荷载和温度（包括伸缩应力和翘曲应力）共同作用所决定的。

On this base, the formula used for calculating the side pressure of ring wall, ring tensile and temperature contraction stress is established for engineering design.

在上述基础上提出的环墙侧压力、环拉力和温度收缩应力的计算公式，可供工程设计中采用。

Coating and the substrate surface temperature of the coating would have a bad contraction stress, caused by cracking and peeling off the coating.

涂层与基体表面的温度差会使涂层产生收缩应力，引起涂层开裂和剥落。

This paper analyzes the temperature field, the contraction stress, and the thermal stress in concrete arch culverts using Finite Element Method.

采用三维有限元模型，对混凝土拱涵进行温度场、收缩应力和温度应力分析。

How to calculate the contraction stress of semi-rigid pavement is the precondition to solve the problem.

而如何正确计算半刚性基层的收缩应力，则是解决这一问题的前提。