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1.予应力混凝土受弯构件在标准荷载作用下的挠度,按设计规范TJ10—74第127条验算。 2.短期荷载作用下的刚度B_d,可按下列公式计算:B_d~*=βE_hJ。(1)式中,刚度降低系数β建议按下列公式采用:
1. The deflection of the prestressed concrete flexural members under standard load is checked according to Article 127 of the design specification TJ10-74. 2. The stiffness B_d under short-term load can be calculated according to the following formula: B_d~*=βE_hJ. (1) In the formula, the stiffness reduction coefficient β is recommended to be used according to the following formula: