Prestress concrete beam USES C50 concrete usually.
预应力混凝土梁中通常采用C50混凝土。
Damage analysis of ordinary reinforced concrete beam.
普通钢筋混凝土梁的损伤分析。
The valley of shear failure of concrete beam (Kani's valley).
混凝土梁的剪切破坏谷。
The U-shaped bolts embedded in concrete beam are split after using a period of time.
铁路混凝土桥梁人行道上的U型螺栓，在使用一段时期后容易出现断裂病害。
Recently, composite steel-concrete beam is adopted more and more in the urban road of our country.
近年来，在我国许多的城市道路建设中，钢箱—混凝土组合梁这种结构形式越来越多地被采用。
Fuzzy dynamic penalty function GAs is used to optimize a reinforced concrete beam with discrete variable.
用模糊动态罚函数遗传算法对钢筋混凝土梁进行了离散变量优化设计。
Some diseases usually appear in the tension construction of post-tensioning prestressed concrete beam slabs.
后张法预应力混凝土梁板在张拉施工过程中，经常会出现一些施工病害。
Inspired by suspension bridge, the wire cable is used to reinforce the wide and flat reinforced concrete beam.
受悬索桥启发，利用钢丝绳索加固钢筋混凝土宽扁梁是在特殊条件和环境下的一种尝试。
The concrete beam modification, change and its effects for traveling crane rail in stock yard were introduced.
介绍对原料场露天栈桥行车水泥梁进行改造、更换的施工及其效果。
A computer program to calculate the moment-curvature relationship of reinforced concrete beam section is compiled.
编制了钢筋混凝土梁截面弯矩-曲率关系计算程序。
Finally, some recommendations on aseismic design of short ductile restrained reinforced concrete beam have been put forward.
最后提出了延性约束钢筋混凝土短梁的抗震设计方法建议。
Consequently, damage of partial carbon fiber reinforced concrete beam can be monitored by electrical resistance measurement.
研究表明可以通过测试局部碳纤维混凝土配筋梁的电阻变化来监测梁的损伤状况。
The influence mechanism of the mixed fibre on crack resistance and bearing capacity of reinforced concrete beam are analyzed.
分析了纤维的掺入对钢筋混凝土粱的抗裂性能及正截面承载力的影响机理。
The prestressed concrete beam bridge with corrugated web has greatly improved the traditional prestressed concrete beam bridge.
波纹钢腹板预应力混凝土梁桥是对传统的预应力混凝土梁桥的一次重大改进。
Reliability assessment on shear behavior of existing reinforced concrete beam is an important problem that needs to be studied.
在役钢筋混凝土梁斜截面抗剪可靠性是迫切需要研究的问题。
The results provide in practice, the reinforced concrete beam side by sticking steel plate method will bring benefit in practice.
实践证明安全、可靠、施工方便，开创了侧面粘钢加固应用的先例，可推广使用，提高工程经济效益。
The main difficulty of stress analysis of unbonded partially prestressed concrete beam is how to determine unbonded tendons stress.
使用荷载下无粘结部分预应力混凝土梁应力分析的主要困难，是如何确定无粘结预应力筋的应力。
The reasons for creating vertical joint crack on the reinforced concrete beam used in practical projects are analysed in this paper.
本文针对实际工程中钢筋混凝土梁出现贯通垂直裂缝的原因进行了分析。
In this paper, the author transforms a steel-concrete beam into an equivalent transverse isotropic member in the thickness direction.
本文是将沿厚度由钢板和混凝土组合而成的钢板混凝土梁化为一等效横观备向同性构件。
Based on analyzing the relations of degree of pre-stress to stress, deflection and crack of concrete beam, a design method is pro-posed.
在详细分析了预应力度同梁的应力、位移、开裂的关系的基础上提出了部分预应力混凝土梁的设计方法。
On the basis of relevant test, the curved bear capacity of carbon fiber cloth reinforce reinforcing bar steel fiber concrete beam is studied.
在有关试验的基础上，对碳纤维布加固钢筋钢纤维混凝土梁的抗弯承载力进行了试验研究。
The performance of reinforced concrete beam and steel tube confined concrete joint is vital to popularize steel tube confined concrete in China.
钢筋混凝土梁与钢管混凝土柱节点的受力性能是影响钢管混凝土结构应用的关键问题。
Currently, our country's research in composite steel-concrete beam bridge is limited in these composite beam bridge which use ordinary materials.
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。
A seismic resistant design method of reinforced concrete beam-column connections based on compression strut and softened truss models was proposed.
提出了基于压杆模型和软化桁架模型的钢筋混凝土梁柱节点抗震设计方法。
And reinforced high-strength lightweight concrete beam is less ductile as compared with the normal-weight concrete beam of the same concrete strength.
纯弯段无腹筋的高强轻集料钢筋混凝土梁在破坏时表现出较强的脆性，延性要比同一强度等级普通混凝土梁略差。
In terms of the calculating theories of the composite steel-concrete beam, the elastic analysis and the plastic analysis are expounded systematically.
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。
By the engineering example, the reason and the treatment method of the concrete crack under anchorage device of post-tensioned concrete beam are analyzed.
从工程实例出发，分析了后张预应力混凝土梁锚下混凝土裂缝产生的原因和处理方法。
By the engineering example, the reason and the treatment method of the concrete crack under anchorage device of post-tensioned concrete beam are analyzed.
从工程实例出发，分析了后张预应力混凝土梁锚下混凝土裂缝产生的原因和处理方法。
应用推荐