| 预应力混凝土构件的优化设计 |
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| 引用本文： | 姜新佩 胡浩云. 预应力混凝土构件的优化设计[J]. 华北水利水电学院学报, 1998, 19(2): 33-35 |
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| 作者姓名： | 姜新佩 胡浩云 |
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| 作者单位： | 华北水利水电学院 |
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| 摘 要： | 提出了预应力混凝土梁优化设计的一套方法。考虑到预应力混凝土梁施工方法及受力特点，选择对造价较敏感的梁高和钢筋用量为设计变量，以造价为目标，由规范对预应力混凝土梁设计时的要求，包括强度、应力、变形、裂缝为约束条件，用适合于预应力梁的ＳＵＭＴ方法进行优化设计。经过实例分析，本方法具有收敛快精度高的特点。
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| 关 键 词： | 优化设计 预应力混凝土梁 设计变量 |
Optimum Design of Prestressed-Concrete Component |
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| Affiliation: | North China Institute of Water Conservancy and Hydroelectric Power Handan 056021 |
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| Abstract: | The program of SUMT is used to present a new optimun design of prestressed-concrete component.Considering construction method,stress characterisic of prestressed-concrete beam to the target of cost, standardizing need for concrete beam is definited as retrictive condition,selected beam height,area as design variety.This design is to be high precision,high convergence,and wide application on practical engineering. |
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| Keywords: | ptimum design Prestressed-concrete beam Design varieties |
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