• 可见连续吊车具有实际应用价值

    It is clear that continuous crane beams have practical applications.

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  • 吊车承载能力挠度进行了验算。

    The load bearing capacities and deflection of the steel crane girders were calculated.

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  • 根据工程实际情况,提出吊车加固方案

    According to actual condition, the strengthening scheme of the crane girder has been brought forward.

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  • 工程上组合吊车设计具有实际意义。

    And it can be used for designing composite i-beam and i-typed crane beam.

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  • 研究重型吊车梁用D36低合金高强钢焊接性。

    The paper investigates the weldability of D36 HSLA steel used for heavy crane beams.

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  • 岩壁吊车一种新型的地下厂房吊车梁结构形式。

    The rock face beam is a new structure model.

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  • 700吊车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.

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  • 钢结构厂房已有四十多年的历史,吊车系统严重损坏

    A steel factory building has been used for over forty years and the crane system was damaged seriously.

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  • 基础上,围岩岩壁吊车稳定性进行了评价。

    Based on this, the stability of the surrounding rock mass and the rock wall crane girder is evaluated.

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  • 岩锚吊车结构稳定计算所普遍采用方法刚体平衡有限单元法。

    The methods of calculation for the structural stability of rock-bolted crane girder include the rigid equilibrium method and the finite element method.

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  • 地下厂房继续开挖对于吊车系统锚杆周围岩体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.

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  • 介绍焊接超大型吊车控制焊接变形措施以及为此制定装焊工艺。

    The paper introduces the measure for controlling the weld distortion of huge crane beam and the procedure for assembling and welding of the beam.

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  • 岩壁吊车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.

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  • 并且可以通过对岩锚吊车预先施加锚固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.

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  • 截面焊接吊车疲劳裂缝主要由于变截面处有很大应力集中所产生

    The main form and cause of fatigue failure of steel crane beam are analyzed first, and focused the welded steel crane beam.

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  • 结构吊车进行定期、不定期的检查避免发生疲劳失效最有效方法

    It is an effective method to carry out regularly inspection on steel crane girder structures in order to prevent from fatigue failure.

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  • 吊车系统进行了全面检查吊车梁挠度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.

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  • 主要研究成果被《地下厂房岩壁吊车设计规范》(送审稿条文说明所采用。

    The main achievement has been quoted by Design Criterion of Crane Beam on Rock Wall for Underground Powerhouse(draft) and explanation items.

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  • 而后查阅大量文献基础上找到计算连续吊车整体稳定性简单方法

    Then, on the basis of extensive literatures, the author finds an easy way to check the elastic stability of continuous steel crane beams.

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  • 通过承载试验成果段时间运行表明,岩壁吊车体形及锚固措施设计合理的。

    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.

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  • 通过大型厂房吊车鉴定分析指出了该类吊车梁日常管理应注意的几个问题

    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.

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  • 吊车施工运行期的工作性态稳定性工程设计和施工关注主要问题之一。

    The working performance and stability of the rock bolt crane girder has always being an important problem in project design and construction.

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  • 本文研究连续吊车设计提供切实可行的方法具有一定理论意义工程实用价值

    The studies in this paper provide a practical way to design a continuous steel crane beam. It has some theoretical and practical values.

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  • 根据瑞利—李滋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.

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  • 最后通过算例验证评估方法应用,作为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...

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  • 程序完成两等连续吊车设计校核工作,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.

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  • 目前,岩壁吊车设计所采用刚体极限平衡设计方法不能确切反映吊车实际受力状态。

    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.

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  • 目前岩壁吊车设计所采用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.

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  • 论述了在吊车荷载作用吊车弯矩包络的分段、方程求法,最后通过实例说明包络图绘制

    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.

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  • 在对现有厂房吊车加固改造过程,也改变吊车梁受力体系,将吊车梁改为连续吊车梁作法

    In current reinforcements of crane beams, there are some practices that change simply supported crane beams to continuous beams.

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