But the bending moment at the central hinge must vanish.

The actual stress is not proportional to the bending moment.

实际上应力与弯矩不成正比.

The basic way that verifies whether bending moment diagram is correct is derivative judge.

弯矩图是内力图的一种,检验弯矩图正确与否的基本方法是导数的几何意义判定法.

In addition, there is positive correlation between fractal dimension and bending strength , bending elastic modulus.

另外, 发现分形维数与抗弯弹性模量 、 抗弯强度之间存在正相关趋势.

The cement strength of grade ~ # 325 ~~ # 425 , and has high-early strength and high bending strength.

水泥标号可达325～ 425, 且具有早期强度及抗折强度高等优点.

SEM analysis indicated that evenly distributed fine crystal grain was the reason of good bending strength.

SEM分析认为:造成材料抗弯强度增加缓慢或下降的原因是材料晶粒粗大,晶粒分布不均匀.

The Bending strength for concrete bonding was over 7 MPa with ester crete-p and 8 Mpa with Epcrete-p .

用epcretep粘合 的混凝土试件的抗折强度可达到 8MPa 以上.

The relationship between bending modulus of elasticity and bending strength was also linear.

抗弯弹性模量与抗弯强度具有密切的线性关系.

At transition region, the sea ice bending strength reached the maximum value.

海冰的弯曲强度随着应力速率的增加,经过延性、过渡和脆性三个阶段,在过渡区, 海冰的弯曲强度达到最大值.

The Izod impact strength, the bending strength and tensile strength were tested.

同时,测试了该材料的冲击强度 、 弯曲强度和拉伸强度.

Nano-scale ceramic composites may have high bending strength and fracture toughness.

纳米复合 陶瓷材料可以极大地提高抗弯强度和断裂韧性.

Axial force has a great effect on deformation of rod or tubing with initial bending stress.

轴向力对具有初弯曲的杆(管)柱变形影响很大.

Actually a bending stress a combination of tensile and compressive stresses.

实际上弯曲应力是压力和张力的综合.

The bending stress is zero for the element at B.

在B处的单元体,弯曲应力为零.

The remote bending stress at the plate surface was measured.

板表面处的远场弯曲应力已被测出.

He bends a wire into a loop.

他将铁线弯成圆圈.

An ordinary object does not simply rotate, it wobbles, shakes and bends.

一般物体不仅会转动, 还会晃动, 摇动和弯曲.

The road bends to the right after a few yards.

这条路在几码远的地方转向右方.

The beam bends to a circular profile of radius R.

梁弯曲成半径为R的园形形状.

This slender tree bends when the wind blows hard.

刮大风时,这棵细长的树会被吹弯的.

The river bends several times before reaching the sea.

这条河转了好几个弯才流入海中.