A study has been done over the small crack growth rate for kinds of carbon steels under push pull and rotating bending.
对多种碳素钢在拉伸压缩和旋转弯曲负载下的微小裂纹扩展速率进行了研究。
The superiority of this design over the conventional one will reveal itself in the studies on the mechanisms of crack initiation and growth in fatigue process under bending condition.
这种等应力试样在研究弯曲疲劳，尤其是在弯曲条件下研究疲劳过程中裂纹产生和扩展机理时，将显示出明显的优越性。
The crack behavior of concrete bending members with HRB400 steel is experimental studied in this paper.
本文主要研究了HRB400级钢筋混凝土构件的受弯的裂缝性能。
Based on the experiments of the 12 SRC flexural members, the stiffness, crack width and ultimate bending strength of the SRC beams are analysed.
本文以12个型钢钢筋混凝土(以下简称SRC)梁受弯试验为基础，对SRC梁的刚度、裂缝宽度和受弯承载力进行试验研究和理论分析。
Laser cutting integrated bending technique adopts high precision laser cutting technique to make the smaller and safety crack.
激光切割整体折弯技术，采用高精度激光切割，使门缝间隙更小，更安全。
The center of the bridge may crack while bending.
大桥的中心可能裂纹而弯曲。
The cold-bended crack in the hot rolled plate Q345 can be eliminated by adoption of heating-cold bending process as well as improvement of the cleanliness of the steel.
采用加热-冷弯工艺和提高钢纯洁度可避免Q 345热轧钢板冷弯裂纹的产生。
Once the temperature difference was higher than a certain number, the bending hoop stress induced by it made the welding crack of pipeline elbow explode.
当温差超过一定值时，由它所引起的弯曲环向应力使管道弯头焊缝爆裂。
To counter a bridge constructed with steel fiber reinforced ferroconcrete, the calculation of bending strength and crack of steel fiber reinforced ferroconcrete t beam has been accomplished.
结合某用钢纤维增强钢丝网混凝土建造的桥梁，进行了钢纤维增强钢丝网混凝土t形梁的正截面强度及裂缝计算。
The results showed that ferrocement can obviously increase the load bearing capacity and crack resisting capacity, and improve the bending stiffness of beam.
试验结果表明，钢丝网复合砂浆薄层可以明显地提高钢筋混凝土梁的抗弯承载力，提高抗裂性能，增强构件的抗弯刚度。
Negative bending moment nearby the middle supports of composite steel-concrete continuous beam bridge, will cause floor deck concrete to crack and shorten its life.
钢-混凝土组合连续梁桥的中间支座附近为负弯矩区，会导致桥面混凝土开裂，缩短使用寿命。
The crack at the middle of the track bed has more effect on dynamic bending stress of track bed and dynamic stress of subgrade than crack at other location.
道床动弯应力和路基面动应力随车辆速度的增大而增大，道床中部裂纹对道床动弯应力和路基面动应力的影响更为明显。
The results show that steel fiber reinforced ferroconcrete t beam possesses high bending strength and excellent crack resistance property.
结果表明，钢纤维增强钢丝网混凝土T形梁具有较高的正截面抗弯强度和良好的抗裂性能。
An equation to calculate concrete diaphragm walls bending moment is deduced based on the crack control limit value.
推导了由裂缝控制限值反算地下连续墙弯矩的计算方法。
With the help of the method, the bearing capacity in bending, the limitation of crack width and the deflection of the members can reach optimum.
可使构件正截面承载力、裂缝宽度，挠度同时都达到最佳程度的满足。
From the test results, the calculation method for crack resistant bending moment is proposed.
在试验分析的基础上，提出适用于高强轻集料钢筋混凝土梁的抗裂度计算方法。
Starting from a general case for problems of torsion-bending of a cylinder, a so called crack-cutting method is presented in this paper.
本文从柱体的扭转-弯曲问题的一般情况出发，介绍裂纹切割法的基本思想。
According to relevant experimental results, the calculating methods of bending strength and crack for steel fiber reinforced ferroconcrete t beam are studied.
根据有关试验结果，研究了钢纤维增强钢丝网混凝土t形梁的正截面强度及裂缝计算方法。
Two kinds of welded joint have good crack resistance, impact toughness, stretching and bending performance.
两种焊接接头都具有良好的抗裂性能、冲击性能、拉伸和弯曲性能。
The method of toughness test such as Direct Crack Measurement and Indentation Strength by Bending etc. Are also introduced.
介绍了直接压痕法、弯曲压痕强度法等几种韧性测试方法。
The results show that steel fiber reinforced ferroconcrete T beam possesses high bending strength and excellent crack resistance p…
结果表明，钢纤维增强钢丝网混凝土T形梁具有较高的正截面抗弯强度和良好的抗裂性能。
So it is pointed out that the drop test sample static bending test is a new and simple crack stop test. The experimental result indicated that the method is available.
并由此提出以落锤试样静载弯曲试验做为一种新的简易止裂试验方法。
The test results confirm that ferrocement contributes greatly to the increase of flexural resistance capacity, raises crack-resisting capacity and improves the bending stiffness of RC beams.
试验结果表明，钢丝网复合砂浆薄层可以明显地提高钢筋混凝土梁的抗弯承载力，提高抗裂性能，增强构件的抗弯刚度。
In bending failure test pieces, after crack chemistry grouting, the bending rigidity slightly has increased, but the limit load-carrying capacity has no obvious variety.
正截面试件，裂缝灌浆后刚度略有提高，但极限承载力无明显变化。
In bending failure test pieces, after crack chemistry grouting, the bending rigidity slightly has increased, but the limit load-carrying capacity has no obvious variety.
正截面试件，裂缝灌浆后刚度略有提高，但极限承载力无明显变化。
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