In this article, it shows formulas to calculate bending moment, shear strength and maximum stress of heat tracing pipe and shell body.
2
由于现浇框架梁板共同工作,当梁受扭时,板中必然产生附加弯距,同时板也约束了梁的转动。
When the frame beam works under torsional moment, extra bending moment is to be produced in the reinforce slab because the frame beam and the reinforce slab work together.
3
如有必要,可以将负弯矩配置到承担一半以上的总弯距,这很适于使桥梁形成优美的曲线轮廓。
If desired, the hogging may be arranged to take more than half the total moment, which fits well with a graceful curved profile.
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弯距
弯距 bending moment 弯距是构件受力发生弯曲时,在它内部任一横截面上的两方出现的相互作用的内力矩.构件某一横截面上的弯矩值等于此一截面左侧(或右侧)诸外力对截面形心力矩的代数和。