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cantilever construction     
相关语句
  悬臂施工
     Temperature deformation control in cantilever construction of box girder bridge
     大跨度预应力混凝土箱形梁桥悬臂施工中温度变形控制
短句来源
     Diamond-shaped cradle cantilever construction method is adopted for box girders of the prestressed concrete continuous rigid frame beams in the section of superstructures (116 + 200 + 220 + 200 + 116)m of the main bridge of the Dongying Yellow River Bridge.
     东营黄河大桥主桥上部结构(116+200+220+200+116)m预应力混凝土刚构连续结合梁的箱梁采用菱形挂篮悬臂施工法。
短句来源
     Cantilever Construction Control of 270m Continuous Rigid Frame Bridge for Humen Bridge Auxiliary Channel
     虎门大桥辅航道270m连续刚构桥悬臂施工控制
短句来源
     Linear control in cantilever construction of prestressed concrete continuous rigid-framed bridge
     预应力混凝土连续刚构桥悬臂施工线形控制
短句来源
     Reliability Analysis of Prestressed Concrete Continuous Bridge during Cantilever Construction
     预应力混凝土连续梁桥悬臂施工施工期可靠性分析
短句来源
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  悬臂浇筑
     Height control in cantilever construction of Taolaizhao Songhuajiang River Large Bridge
     陶赖昭松花江特大桥悬臂浇筑阶段高程控制
短句来源
     3. Construct line-type control of box beam for PC continuous rigid frame bridge in cantilever construction process is very important.
     3、预应力混凝土连续刚构桥悬臂浇筑施工线型控制是桥梁悬臂施工中重要的任务;
短句来源
     Combined with practical engineering,this paper discusses controlling factor and treatment method of deflection in the process of cantilever construction of large-span PC continuous rigid frame bridge,and carries out proper amendment of theoretical height formula,which to offer a reference for relevant problems.
     结合工程实例,对大跨度PC连续刚构桥在悬臂浇筑过程中的挠度控制因素及处理方法进行了探讨,并对理论抛高公式做出适当的修正,供相关问题参考借鉴。
短句来源
     Monitoring Control for Cast-in-Place Cantilever Construction
     悬臂浇筑中的施工监测控制
短句来源
     Combined with practical work calculation analysis method for linear control in cantilever construction of prestressed concrete continuous rigid-framed bridge is introduced as well as calculation method of height of erection formwork,survey points setting and monitoring method in order to ensure engineering quality.
     结合工程实例,介绍了预应力混凝土连续刚构桥主梁悬臂浇筑施工阶段线形控制的计算分析方法、实际立模高程值的计算、测点的布设、监控方法及其实施效果,以使成桥线形美观流畅。
短句来源
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  悬臂拼装
     Kaziwan Bridge in Zigui County of the Three Gorges Reservoir is a PC stayed truss continuous rigid bridge with spans of 79.45 m+140 m+79.45 m. The total length of the bridge is 344.3 m,assembled with cantilever construction.
     三峡库区秭归县卡子湾大桥为预应力混凝土斜拉式桁架连续刚构桥,跨径为79.45 m+140 m+79.45 m,桥梁全长344.3 m,采用悬臂拼装法施工。
短句来源
     According to calculation formulas for the end elevation of cantilever at each step of cantilever construction, we strictly controlled cable tension and fronted elevations of box girder during the process of construction. These measures ensured that the construction of this bridge had completed successfully.
     根据钢箱梁悬臂拼装过程中每个阶段钢箱梁前端标高的计算公式,对蓉湖大桥悬臂拼装过程中的斜拉索索力和每阶段钢箱梁前端标高进行了细致的控制,确保了钢箱梁悬臂拼装的顺利进行,为整个主梁线形和索力双控打下了良好的基础。
短句来源
  悬灌施工
     CALCULATION OF GEOMETRIC CONTROL IN CONSIDERATION OF CONCRETE CREEP FOR CANTILEVER CONSTRUCTION OF PC CURVED BRIDGE
     悬灌施工PC弯桥梁考虑混凝土徐变增量的线型控制计算
短句来源
     Based on the cantilever construction of a large span bridge,the basic techniques of construction organization and the equipments kit for cantilever construction are studied and analyzed.
     结合大跨度桥梁悬臂灌筑法施工实践,研究悬灌施工组织和设备配套的基本技术,通过典型案例分析其应用技术,为合理组织悬灌梁施工提供借鉴经验。
短句来源
     SUSPENDED BASKET DESIGN OF WIDER BRIDGE AND TECHNIQUE OF CANTILEVER CONSTRUCTION
     宽桥面挂篮设计与悬灌施工技术
短句来源
     Construction Organization and Equipments Kit in Cantilever Construction of Lang-span Bridges
     大跨桥梁悬灌施工组织和设备配套技术研究
短句来源
     Design and tests for QSL\|150X travelling form used in cantilever construction of Fugu\|Baode Huanghe River Bridge are described. The form is characteristic of the following: large carrying capacity, light self weight, low center of gravity, stable travelling, easy control in construction, simpl fabrication, convenient assembly, fast working speed and low intensity of labor.
     介绍府保黄河特大桥悬灌施工采用的 QSL- 1 50 X型挂篮的设计与试验 ,该挂篮具有承载力大、自重轻、重心低、移动稳、施工易控制、加工简单、拼装方便、施工速度快、劳动强度低等特点。
短句来源

 

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      cantilever construction
    Designed to handle eight tonnes safe working load and with a nine metre lift height, the single girder crane is of a cantilever construction.
          


    The cable stayed concrete bridge is one of the advanced bridge types used for modern large span bridges.However,it is quite complicated for calculat- ing the creep in concrete during cantilever-construction.In this paper,a numerical method is suggested for calculating internal forces and creep defo- rmations in concrete during construction.The effects of shrinkage and the dead load are also considered,and the accurate results can be obtained by means of computer.

    混凝土斜拉桥是现代大跨径桥梁的先进桥型之一,由于具有采用悬臂法施工的突出优点,因而发展很快。但施工过程中的徐变计算是个十分复杂的问题,本文采用逐次数值计算法求解施工过程中混凝土徐变对结构变形和内力的影响,并考虑了混凝土收缩及桥上结构恒载的作用,借助于计算机得到较为精确的结果。

    This paper introduces a monitoring method of three bimensional alignment with EDM in thn process of cantilever construction of Luo-Xi bridge. For single observations of distances and vertical angles, the midpoint method with EDM is used for the sake of eliminating the effect of earth curvature and astronom- ical refraction so as to raise the accuracy of the measurements, thus assuring easy closing of the bridge span. The accuracy of alignment: m_H is ±3.7mm, m_x is ±4.4mm and m_Y is ±2.7 mm.

    本文介绍了在洛溪大桥悬臂施工中,采用光电测距仅三维定位的监测方法。同时,在单向观测中利用了光电中点法,消除了地球曲率和大气折光对距离和竖直角观测的影响,提高了精度,保证了大桥的顺利合拢。其定位精度:m_H为±3.7mm,m_X为±4.4mm,m_Y为±2.7mm。

    In this paper, the author analyzes the factor that decreases the coordinat accuracy of alayout measuring machine When the x-axis measuring range is extended. In this case the bending deflection of the arm is incresed because of the cantilever construction design.

    本文针对《三坐标测量划线仪》横臂坐标量程加长系统进行了研究。还分析了当横臂坐标量程加长时,在挠曲变形的干涉下,该系统对仪器各项坐标精度的影响。

     
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