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.
海淀公园人行天桥位于北京海淀公园内，其钢-混凝土组合连续梁为双线双曲下承式箱梁。
The pedestrian overbridge of Haidian Park is located in Beijing Haidian Park, whose steel-concrete continous beam is a bifilar and hyperbolic through box beam.
钢-混凝土组合连续梁桥的中间支座附近为负弯矩区，会导致桥面混凝土开裂，缩短使用寿命。
Negative bending moment nearby the middle supports of composite steel-concrete continuous beam bridge, will cause floor deck concrete to crack and shorten its life.
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.
连续组合梁在内支座处的负弯矩区段会出现混凝土板受拉、钢梁受压的不利局面。
Adverse condition of concrete in tension and steel joist in compression occurs at inner support regions of continuous composite steel concrete beams.
连续梁拱组合结构跨越能力大、建筑高度低、造型轻盈、线条流畅，是一种很有发展前途的结构型式。
The continuous beam arch combination structure has large span capacity, low building height, light graceful shape and smooth lines, and it is a structure type with development prospect.
研究了加肋腹板连续组合梁的横向连接刚度和强度。
The strength and stiffness of continuous composite beams with stiffened web are investigated.
运用纵横弯曲连续梁理论和达朗伯原理，建立了偏轴钟摆钻具组合动力学分析模型。
A mechanical model for the offset-axes pendulum drill assembly (OAPDA) was established according to the continuous beam theory and the d.
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.
弯矩调幅系数是反映连续组合梁内力重分布能力的参数。
Amplitude modulation coefficient is a parameter, by which the capacity of internal force redistribution in continuous composite beams is reflected.
在连续组合梁桥中，剪力键的类型、布置范围和布置间距的差别将引起结构受力特性的差异。
In the continuous composite beam bridge, the difference in type, arrangement area and arrangement space of shear connectors will cause variation in mechanical characteristics of the structure.
针对先简支后连续的组合箱梁设计、施工中经常出现的质量通病，提出相应的防治措施及建议具有一定的现实意义。
It has realistic significance to present some prevention measures and advice aiming at common quality problems lie in simple supported steel-concrete composite box girder design and construction.
通过研究可以让我们对双层连续组合梁的基本力学特性形成一定了解和认识，并有利于研究工作的进一步展开。
Through the study we may gain a preliminary insight into the mechanical behaviour of the D-composite beam which help to the further research subsequently.
根据连续介质力学和组合箱梁力学行为的特点，建立考虑滑移影响的空间非线性组合箱梁梁段有限元法。
Based on the behaviour characteristics of composite box beams, a new triaxial nonlinear finite element for composite box beams with slip effect is presented.
古城大桥是一座下承式单承载面钢管混凝土系杆拱与变截面连续梁组合体系桥梁。
Gucheng bridge is a steel tube concrete bowstring arch and variable cross section continuous beam composite system through bridge with single load plate.
这种力学行为与组合的概念相反，不利于连续组合梁的推广和应用。
So the actual mechanical behaviour of the continuous beam conflicts with the "composite" purpose and this behaviour limits its popularize and application in civil engineering.
讨论了钢材的初始挠曲对钢混凝土连续组合梁的极限承载力与失稳屈曲临界荷载的影响。
The influence of initial displacement on load bearing capacity and critical load of steel concrete composite structure is discussed.
本文在结束连续梁桥向例设计实质的根底上，较仔细地分析了组合结构桥梁设计中的四个关键问题。
Based on the continuous girder bridge completed conventional design on the basis of content, a more detailed analysis of the composite structure in the design of the bridge four key issues.
刚构—连续组合梁桥一般采用悬臂浇注，施工中对标高的控制是成桥后线型是否合理的重要保证。
This kind of bridge often uses the construction technique of segmental cantilever installation, which is important to control the deformation of the bridge during the construction stage.
同时，随连续组合梁剪力连接度的降低，连续组合梁界面滑移逐渐趋近于无剪力连接的叠合板滑移值。
Furthermore, the interfacial slip goes near to that of sandwich beam with the decrease of the degree of connection.
在此基础上推导了连续组合梁纵向开裂荷载的计算公式并结合试验给出了箍筋配置计算公式。
On the basis of it, the formulas of calculating crack load and ratio of stirrup disposition were gained.
因此，研究刚构-连续梁组合体系的冲击系数具有重要的理论意义与工程实用价值。
Therefore, study on the impact coefficient of composite structure of the rigid frame and continuous beam has very important academic significance and practical value.
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.
用有限元软件ANSYS建立2跨双层连续组合梁的空间模型对该方法的准确性进行验证。
A 3-d model of 2-span double continuous composite beam was established by using ANSYS software to validate the accuracy of this method.
据此，对连续组合梁的负弯矩调幅系数提出了建议。
The proposed formulae for the moment redistribution ratio are valuable to the design of continuous composite beams.
研究了负弯矩区截面未完全塑性时出现局部失稳的连续组合梁的稳定。
Local buckling of continuous composite beams with non compact section is investigated.
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.
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.
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