可见,连续吊车梁具有实际应用价值。
It is clear that continuous crane beams have practical applications.
吊车梁的承载能力和挠度进行了验算。
The load bearing capacities and deflection of the steel crane girders were calculated.
根据工程实际情况,提出了吊车梁的加固方案。
According to actual condition, the strengthening scheme of the crane girder has been brought forward.
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.
研究了重型吊车梁用D36低合金高强钢的焊接性。
The paper investigates the weldability of D36 HSLA steel used for heavy crane beams.
岩壁吊车梁是一种新型的地下厂房吊车梁结构形式。
某700吨吊车梁的吊车轨道偏心超过规范允许偏差。
Some crane beam for 700t cranes was detected having installation error of rail eccentricity exceeding code limit.
某钢结构厂房已有四十多年的历史,吊车梁系统严重损坏。
A steel factory building has been used for over forty years and the crane system was damaged seriously.
在此基础上,对洞室围岩及岩壁吊车梁的稳定性进行了评价。
Based on this, the stability of the surrounding rock mass and the rock wall crane girder is evaluated.
岩锚吊车梁结构稳定计算所普遍采用的方法有刚体平衡法和有限单元法。
The methods of calculation for the structural stability of rock-bolted crane girder include the rigid equilibrium method and the finite element method.
地下厂房的继续开挖对于吊车梁系统锚杆和周围岩体的应力分布有较大影响。
The further excavation of underground powerhouse will affect the stress distribution of system bolts and rock mass near crane girder.
介绍了焊接超大型吊车梁时控制焊接变形的措施以及为此而制定的装焊工艺。
The paper introduces the measure for controlling the weld distortion of huge crane beam and the procedure for assembling and welding of the beam.
岩壁吊车梁是一项新技术,目前尚无规范可循,需要在实践中不断总结、优化。
The rock wall crane beam is a type of new technique and till now, there is no code yet to be followed.
并且可以通过对岩锚吊车梁预先施加锚固力的方式改变岩锚吊车梁的失稳形式。
The destabilizing pattern of rock-anchored crane beam can be changed via the pre-applied anchoring force to rock-anchored crane beam.
变截面焊接钢吊车梁疲劳裂缝主要是由于变截面处有很大的应力集中所产生的。
The main form and cause of fatigue failure of steel crane beam are analyzed first, and focused the welded steel crane beam.
对在役钢结构吊车梁进行定期、不定期的检查是避免发生疲劳失效的最有效方法。
It is an effective method to carry out regularly inspection on steel crane girder structures in order to prevent from fatigue failure.
对吊车梁系统进行了全面检查,并对吊车梁的动、静挠度和应力进行了现场测试。
The crane system was inspected and dynamic test was performed on the crane girders to obtain their deflection and stress.
主要研究成果已被《地下厂房岩壁吊车梁设计规范》(送审稿)及条文说明所采用。
The main achievement has been quoted by Design Criterion of Crane Beam on Rock Wall for Underground Powerhouse(draft) and explanation items.
而后,在查阅大量文献的基础上,找到了计算连续钢吊车梁整体稳定性的简单方法;
Then, on the basis of extensive literatures, the author finds an easy way to check the elastic stability of continuous steel crane beams.
通过承载试验成果及一段时间的运行表明,岩壁吊车梁体形及锚固措施设计是合理的。
Through bearing capacity test and quite a long period of operation, the structure and anchorage measures of concrete crane girder are proved to be reasonable.
通过对某大型厂房吊车梁的鉴定分析,指出了该类吊车梁在日常管理中应注意的几个问题。
In this article, the author points out some important questions about routine management of the crane beam through the assessment on a large-scale factory building's crane beams.
岩锚吊车梁在施工及运行期的工作性态和稳定性是工程设计和施工中所关注的主要问题之一。
The working performance and stability of the rock bolt crane girder has always being an important problem in project design and construction.
本文的研究为连续钢吊车梁的设计提供了切实可行的方法,具有一定的理论意义和工程实用价值。
The studies in this paper provide a practical way to design a continuous steel crane beam. It has some theoretical and practical values.
根据瑞利—李滋法,对先张法预应力吊车梁首次提出了预应力水平拉杆作用效应增量的计算公式。
Base on Rayleigh-Ritz method, a calculation formulation of action effect increment of a prestressed horizontal tension rod is firstly presented.
最后通过算例验证该评估方法的应用,可作为在役钢结构吊车梁疲劳可靠性检测评估的一种方法。
An example is provided to verify the present method, which can be used in the evaluation of fatigue reliability and...
此程序可完成两等跨连续钢吊车梁的设计校核工作,并具有自动绘制内力包络图、输出计算书功能。
This program can complete the designing and checking of a two-span continuous steel crane beam, and it can also draw of internal force envelopes and output the calculation files.
目前,岩壁吊车梁设计所采用的刚体极限平衡设计方法还不能确切反映岩锚吊车梁的实际受力状态。
At present, the rigid-body limit equilibrium method adopted in the design of crane beam on rock wall can not reflect the actual mechanical behavior of crane.
目前,岩壁吊车梁设计所采用的刚体极限平衡设计方法还不能确切反映岩锚吊车梁的实际受力状态。
DDA is used to analyze the destabilizing pattern of rock-anchored crane beam under the crane wheel pressing action.
论述了在吊车荷载作用下的简支吊车梁的弯矩包络图的分段、方程求法,最后通过实例说明包络图的绘制。
The paper discussed the sectionalization, the method for finding equation and the drawing of the envelope graph of bending moments of the simple crane girder under the action of crane loads.
在对现有厂房吊车梁的加固改造过程中,也有改变吊车梁受力体系,将简支吊车梁改为连续吊车梁的作法。
In current reinforcements of crane beams, there are some practices that change simply supported crane beams to continuous beams.
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