本文主要对预应力钢箱梁进行了振动理论分析。
按弹性力学理论导得了体外预应力钢箱梁桥的变形分析方法 ，建立了简支索梁的基本概念及假设和基本平衡方程 ，采用伽辽金能量原理得到了平衡方程的解答。
Based on the elastic concept this paper proposes the chart analysis method for estimation of seismic response of the selfanchored suspension cable bridge with steel box stiffening girder.
主跨加劲梁为钢箱梁，边跨加劲梁为预应力混凝土箱梁。
The stiffening beams of the side spans are prestressed concrete box beams.
根据预应力简支钢箱梁的受力特性，考虑预应力索与钢箱梁的相互作用，建立了有限元计算模型，有限元计算值与实测值吻合较好。
According to the mechanical character of simply supported steel box girder with prestressed tendons, and considering the interaction of tendons and girder, the finite element model is established.
波形钢腹板作为一种新型的结构用于体外预应力箱梁中，必须对这种组合结构的各个关键部分进行详细的研究。
The corrugated webs are new structures which be used in external prestressed Bridges. To research the key ports of the structures is obligatory.
研究目的：研究顶板横向预应力钢束对箱梁横向计算结果的影响，给箱梁结构设计提供借鉴和帮助。
Research purposes: This paper analyzes the effect of the lateral prestressing tendon in top deck on the lateral calculation result of box beam.
预应力混凝土连续箱梁与钢混结合梁在公路、铁路工程中的应用越来越普及。
Prestressed concrete continuous box girder and steel-concrete composite girder are more and more adopted in construction of highway and railway.
简要介绍武汉白沙洲大桥主桥上部结构的钢箱梁、高强螺栓、预应力混凝土箱梁、斜拉索的施工工艺和质量控制措施。
Construction technology and quality control measures for steel box girder, high-strength bolt, prestressed concrete box girder and inclined cable are briefly introduced.
波形钢腹板组合箱梁是将体外预应力技术应用于桥梁领域的一种新的结构形式。
The composite box girder with corrugated steel webs is a new structure applying external prestressing technique to bridge construction.
最后介绍了预应力混凝土连续曲线箱梁桥的设计，重点讨论了总体设计，钢束预应力的损失的计算，预设支座偏心调整扭矩等设计中的关键问题。
Lastly design of P. C. continuous curved girder bridge is discussed in the paper, in especial prestress reinforcing steel bar's loss and bearing design.
波形钢腹板预应力混凝土箱梁具有区别于传统混凝土箱梁结构的的力学特性。
Distinguished with conventional box girders, prestressed concrete box girders with corrugated steel webs possess itself mechanical performances.
波形钢腹板PC箱梁结构是一种新型的钢-预应力混凝土组合结构，由于其自身的诸多优点应用日趋广泛。
PC box girder with corrugated steel web is a new type of steel-prestressed concrete composite structure, which is used widely because of its many advantages.
波形钢腹板PC箱梁结构是一种新型的钢-预应力混凝土组合结构，由于其自身的诸多优点应用日趋广泛。
PC box girder with corrugated steel web is a new type of steel-prestressed concrete composite structure, which is used widely because of its many advantages.
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