预应力组合梁比普通组合梁的极限荷载可提高27.7%；
The ultimate capacity of prestressed composite beams is 27.7% higher than that of reinforced concrete ones.
实例计算结果表明，预应力组合梁的屈服荷载比普通组合梁的屈服荷载高，组合梁的弹性工作范围扩大了；
The results of this investigation show that the yield load of prestressed composite beams is higher than that of reinforced concrete composite ones, which widen the elastic area they behaved.
阐述了作用于PC轨道梁桥结构上的荷载，曲线pc轨道梁的内力计算，预应力计算，应力计算及组合。
The article have expounded the load acting on PC single track beam, and the calculation of curved PC single track beam including force, prestress and the stress etc.
本合同段控制性关键工程是预应力砼连续组合箱梁的施工。
The controlled crucial works for this contract section is the construction for the prestressed concrete continuous combined box beam.
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.
研究了体外预应力钢-混凝土组合梁在承载能力极限状态下的抗弯承载能力，提出了相应的计算公式。
It is researched that the ultimate flexural capacity of external prestressed composite steel-concrete beams in ultimate limit state of carrying capacity, and the relevant formula are derived.
对比分析了普通钢与混凝土组合梁、预应力钢与混凝土组合梁和预应力加固钢与混凝土组合梁的受力性能与破坏形态。
The failure modes and the mechanical behaviors of the common steel & concrete composite beam and the prestressed beam and the strengthened beam are analyzed and compared.
研究了体外预应力钢-混凝土组合梁在正常使用极限状态下的受弯性能。
It is researched that the bending behaviors of external prestressed composite steel-concrete beams in service ability limit state.
采用三维实体单元和杆单元相结合的空间组合有限元方法，对一座两跨曲线预应力混凝土箱形连续梁桥进行空间受力分析。
Using a spatial composite finite element method, combining three-dimensional solid element and bar element, the mechanical analysis of a two-span curved PC continuous box girder bridge is conducted.
在此基础上，对五跨预应力组合箱梁进行了研究，从可靠度方面给出了在服役期间结构的可靠度水平。
Based on that, a five-span prestressed composite box girder is studied, the reliability level of construction is computed in the different service period from reliability.
该方法把无预应力混凝土与预应力混凝土构件、简单梁与组合截面梁的设计理论和方法统一起来。
The method unites non-prestressed concrete and prestressed concrete, simple beam and combining section beam in designing theories and methods.
为了解预应力钢绞线张拉顺序对新老混凝土组合梁力学性能的影响，进行了双T形截面新老混凝土组合梁试验研究。
The old and new concrete of composite beam with double T-section was tested to investigate the effect of tension sequence of prestressing tendon on mechanical behavior of composite beam.
对组合梁施加预应力后，可以减小弹性范围内的最大挠度，增强梁的刚度；
After having been prestressed, the composite beams can reduce the maximum flexibility within the range of elasticity, and increase their stiffness.
本文对体外预应力钢-混凝土简支组合梁的抗弯承载能力进行了静载全过程试验研究。
Experiments have been conducted on the ultimate flexural capacity in composite steel - concrete beams with external post - tensioning tendons.
对于高烈度地震区大跨桥梁的设计推荐了一种全新的桥式方案——空腹式箱梁连续刚构，该结构是钢管桁架和预应力混凝土板的组合结构。
The author recommends a brand new long-span bridge structure in high intensity earthquake areas—consecutive box girder rigid frame bridge with hollow abdomen.
张弦梁结构是由弦、撑杆和抗弯受压构件组合而成的新型结构体系，是通过在弦中施加预应力来改善抗弯受压构件受力性能的自平衡体系。
Beam string structures are a new type of space structure, which composed of strings, struts and moment-resistant elements such as beams and, arches.
阐述了作用于PC轨道梁桥结构上的荷载，曲线PC轨道梁的内力计算，预应力计算，应力计算及组合。
The article have expounded the load acting on PC single-track beain, and the calculation of curved PC single-track beam including force, prestress and the stress etc.
本文提出了一种新桥型——部分预应力混凝土组合连续梁桥的设计原理与施工方法。
In this paper, some design principles and construction methods of a new type composite continuous beam bridge with partially prestressed concrete have been put forward.
环梁设计采用了预应力等效荷载和重力、风、温度、地震多种荷载组合下的最不利内力。
The maximum forces due to combinations which include the prestressed equivalent load, gravity load, temperature action, earthquake action etc are applied to ring beams design.
本文基于大型有限元软件ANSYS，建立预应力钢-混凝土两跨连续组合梁的非线性有限元分析模型。
Based on ANSYS programs, the nonlinear finite element models of two-span prestressed steel-concrete continuous composite beam were established.
预应力钢梁是在普通的钢梁内设置高强度预应力钢索而形成的索梁共同受力的组合梁桥。
A prestressed steel girder is regarded as composite structure of girder and tendons through establishing prestressed steel cable of high strength in the steel girder.
本实用新型涉及一种新型预应力钢-混凝土组合梁，属于建筑结构工程技术领域。
The utility model relates to a novel pre-tensioned steel-concrete composite beam, which belongs to the field of building structural engineering.
根据材料优缺点、施工特点等进行多方案分析比较，确定展厅、报告厅、演播室等楼盖结构选用后张有粘结预应力混凝土梁，钢桁架结构楼层采用钢筋桁架组合楼板。
The post-tensions prestressed beams are disposed for large space such as exhibition halls, reporting halls and studios, while the steel truss floors are formed by steel bar truss deck.
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.
本文对体外预应力钢一混凝土简支组合梁的抗弯承载能力进行了静载全过程试验研究。
Experiments have been conducted on the ultimate flexural capacity in composite steel -concrete beams with external post - tensioning tendons.
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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