英语翻译prestressed concrete mild-steel bars are used in ordinar
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英语翻译
prestressed concrete
mild-steel bars are used in ordinary reinforced concrete beams to overcome the tensile weakness of concrete.another way of overcoming the weakness is by prestressing the contrete so as to induce in its conpression stresses before it is subject to the normal tensile stresses due to bending.when the beam is loaded and bending occurs,the bending tensile stress is neutralized by the prestressing compression so that no actual tensile stress develops.in this way the concrete is used more efficiently and no tensile cracks occur as they do in ordinary reinforced concrete.this principle is illustrated in Figure1.
prestressed concrete
mild-steel bars are used in ordinary reinforced concrete beams to overcome the tensile weakness of concrete.another way of overcoming the weakness is by prestressing the contrete so as to induce in its conpression stresses before it is subject to the normal tensile stresses due to bending.when the beam is loaded and bending occurs,the bending tensile stress is neutralized by the prestressing compression so that no actual tensile stress develops.in this way the concrete is used more efficiently and no tensile cracks occur as they do in ordinary reinforced concrete.this principle is illustrated in Figure1.
预应力混凝土
低碳钢筋应用到普通钢筋混凝土梁中是为了克服混凝土抗拉性能弱的缺点.另一种克服这个缺点的方法是对混凝土施加预应力,这样可以使混凝土在弯矩的作用下,在受到拉力之前,首先受到的是预压力.当梁被施加荷载弯曲时,弯曲拉应力被预先施加的压力抵消,从而没有拉应力的增长.用这种方法,混凝土将发挥更高的效率,同时没有像一般钢筋混凝土构件那样受拉裂缝的产生.这个原理如图1所示.
低碳钢筋应用到普通钢筋混凝土梁中是为了克服混凝土抗拉性能弱的缺点.另一种克服这个缺点的方法是对混凝土施加预应力,这样可以使混凝土在弯矩的作用下,在受到拉力之前,首先受到的是预压力.当梁被施加荷载弯曲时,弯曲拉应力被预先施加的压力抵消,从而没有拉应力的增长.用这种方法,混凝土将发挥更高的效率,同时没有像一般钢筋混凝土构件那样受拉裂缝的产生.这个原理如图1所示.
英语翻译prestressed concrete mild-steel bars are used in ordinar
英语翻译all mild steel work to be galvanized after fabrication
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