对组合梁弹性稳定性进行了分析。
钢-混凝土组合梁是其基本构件之一。
这对工程上组合梁及吊车梁的设计具有实际意义。
And it can be used for designing composite i-beam and i-typed crane beam.
研究了高托蜂窝式钢与混凝土组合梁的计算方法。
The calculating method of high haunched honeycomb steel concrete composite beam is presented.
主梁采用钢管混凝土桁架与钢筋混凝土板组合梁。
The main beam adopts the CFST truss and reinforced concrete deck slab.
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.
该方法可应用于钢-混凝土组合梁的工程优化设计。
The method can be used in the engineering optimization design of steel-concrete composite beams.
部分剪力连接对组合梁的受弯极限承载力和变形均有影响。
Shear connection degree has an effect on the flexural capacity and deflection of composite beams.
简支钢混凝土组合梁的承载力是组合梁最重要的性能之一。
The bearing capacity is one of the most important performances for the steel and concrete composite beams.
对于新型GFRP组合梁桥结构，其设计主要由刚度控制。
The stiffness plays a key role in the design of GFRP bridge structure.
剪力连接的非线性将导致钢与混凝土组合梁挠度的显著增加。
Shear connection nonlinearity always results in a significant increase in deflection of steel-concrete composite beams.
国内外对组合梁混凝土翼板有效宽度的研究，弹性分析较多。
The study about effective width in and abroad are mostly based on theory of elasticity.
在此基础上，讨论了影响组合梁混凝土板裂缝宽度的主要原因。
On this base, main reasons of influencing concrete slab's crack width of composite girder have been discussed.
本文还对钢-混凝土组合梁截面的延性及其影响因素进行了讨论。
Discussion, in addition, is conducted on the ductility of cross section and the influence factors on it.
从分析滑移入手，研究滑移效应对普通组合梁的挠度及应变的影响。
Beginning with analyzing the slip, the slip effect impact the deflection and strain of steel-concrete beams are researched.
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.
研究了栓钉锈蚀后钢—混凝土组合梁的力学性能随栓钉锈蚀率的退化规律。
Study the variation rule of mechanical property of steel-concrete composite beam of the blot after its' corrosion.
最后，在作了一些假设以后，将这种相关关系引入到钢与混凝土组合梁的设计中。
At last it is applied to the design of steel and concrete composite beams under some hypotheses.
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.
本文将“理论分析”和“有限元分析”相结合来研究钢与混凝士组合梁的工作性能。
In this paper, the work behaviors of steel-concrete composite beam are studied by the theory analysis and finite element analysis.
采用折算系数法，建立了组合梁振动的运动微分方程，并对其振动特性进行了分析。
The differential equation of the vibration of combined beam is set up and its vibration characters are discussed in this paper.
在组合梁的计算理论中，作者分别详细地阐述了组合梁的弹性分析和塑性分析理论。
In terms of the calculating theories of the composite steel-concrete beam, the elastic analysis and the plastic analysis are expounded systematically.
目前，我国对钢—混凝土组合梁桥的研究只局限在采用普通材料的钢—混凝土组合梁桥。
Currently, our country's research in composite steel-concrete beam bridge is limited in these composite beam bridge which use ordinary materials.
钢-混凝土组合梁是指钢梁和混凝土板通过剪力连接件连接形成整体共同工作的受弯构件。
Steel-concrete composite beam is a kind of flexural member composed by concrete slab and steel beam via shear connectors.
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.
利用能量变分法，分析组合梁在界面产生相对滑移后，其组合梁翼缘板有效宽度的变化规律。
Based on energy-variational method, the interface slippage of composite beams and the variation of the effective width are analyzed.
另外，作者对组合梁剪力连接件的设计理论及组合梁最大裂缝宽度计算方法作了逐一地探讨。
In addition, the calculating methods about the gap of the connectors and the maximum width of crack are discussed in the thesis.
通过试验结果与理论、规范比较，考察了不同荷载水平作用下半刚性连接对组合梁性能的影响。
The effect of semi-rigid connections on the performance of composite beams with various loadings was compared with predictions and codes.
根据所提出的位移模式，结合虚功原理推导出组合梁剪力滞效应微分方程以及相应的边界条件。
A set of difFerential equations and the corresponding boundary conditions are derived according to virtual work principle and the longitudinal displacement patterns.
根据所提出的位移模式，结合虚功原理推导出组合梁剪力滞效应微分方程以及相应的边界条件。
A set of difFerential equations and the corresponding boundary conditions are derived according to virtual work principle and the longitudinal displacement patterns.
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