This paper introduces the construction of precast yard, and expounds the equipment matching technology for the precast of single box-beam.
介绍了预制厂建设，叙述了单箱梁预制设备配套技术。
Combined with years' expressway supervision practice, the key quality control points for continuous box-beam cast in-site are discussed in detail.
结合多年高速公路监理实践，对现浇连续箱梁质量控制关键点进行了详细论述。
This article mainly states the rod in double box-beam rod structure, involving forging, nonlinear analyze, computer simulating, installing and monitoring technology and so on.
本文研究对象为双箱梁下弦钢拉杆，主要阐述钢拉杆的锻造、非线性分析、计算机模拟、安装及监测技术等。
Based on fracture mechanics and theory of reliability, this paper offers the reliability calculation method for welded box beam having fracture.
根据断裂力学及可靠性理论，提出了一种起重机焊接箱形梁存在裂纹缺陷的可靠度计算方法。
When box beam is bent, the assumption that the section is plane is not satisfied and the shear lag is produced.
箱形梁弯曲时，平截面假定已不能满足要求，产生剪力滞效应。
For most of the bridge cranes, the failure of the structures result from the fatigue damage in the welded box beam under the action of random fatigue loads.
随机载荷作用下的疲劳破坏是起重机焊接箱形梁的主要失效形式之一。
This modifying factor is determined on the basis of the analysis on some concrete box girder cantilever beam bridges with 4 lanes.
此偏载系数的取值是建立在对一些4车道钢筋混凝土箱形截面悬臂梁桥的分析模型基础上。
The local stress in the box beam is caused by the wheel pressure of the trolley conveyed along the track onto the upper flange and the web of the beam.
起重机小车轮压经轨道传给箱形主梁上盖板和腹板，使之产生局部应力。
The roof of the exhibition center is a cable tensioned box steel shape beam structure, and the roof of the reception hall and the conference center are I shape steel beam structures.
展览大厅的屋面为弧形大跨度拉索焊接箱型钢梁结构，接待厅和会议中心的屋面为工字型钢梁结构。
Research purposes: This paper analyzes the effect of the lateral prestressing tendon in top deck on the lateral calculation result of box beam.
研究目的：研究顶板横向预应力钢束对箱梁横向计算结果的影响，给箱梁结构设计提供借鉴和帮助。
The stress under different working modes is the key to the safe problem when erecting long span prestressed concrete box beam.
大型预制预应力混凝土箱梁架设中不同工况下的梁体应力满足设计要求是箱梁安全架设的关键。
The paper gives the calculation formula of the steel box beam rib plate, side line length and coordinate of transition curve sections combined with construction practice.
本文结合施工实践，推导给出了缓和曲线段钢箱梁肋板、边线长度和坐标的计算公式，用于缓和曲线钢箱梁和其它结构梁的放样计算。
The primary of the analysis include the lateral force in the top deck of box girder and the lateral force of the diaphragm beam on the pier.
其分析主要包括：箱梁顶板的横向受力分析以及箱内横隔梁的横向受力分析。
In order to ensure the normal operation of traffic in construction the continuous box beam 's construction adopts cross beam as supporting system and Bailey member bars as abutments.
为保证在施工期间的交通正常运行，连续梁的施工特采取贝雷杆件组拼支墩和横梁作为支撑系统。
The paper introduces the simplified calculation method of diaphragm beam section of box beam at piers and abutments.
该文介绍了箱梁墩台截面处横隔梁计算的简化方法，并与较精确的梁格法计算结果进行比较。
This article gives the construction procedure and instructions for on-site casting of continuous concrete box beam with mobile mould.
介绍移动模架施工现浇混凝土连续箱梁的施工工艺，以及在施工中应该注意的事项。
Its steel superstructure, only 3.50 meters thick, consists mainly of a comparatively flat stiffened box section beam.
桥的上部结构为钢材，厚度仅为3.50米，主要由相对扁平的箱型截面梁组成。 好评（0）
The control factors are analyzed when a steel box beam is designed. The main influence factors and the optimum principles in designing a steel box beam are put forward.
通过对目前常用的钢箱梁桥结构尺寸设计中的控制因素的分析，找出了钢箱梁尺寸设计中的主要影响因素，得到此类桥梁的尺寸优化设计原则。
The box beam was one of the most important stress parts of the crane which required high quality butt weld.
箱形梁是集装箱吊具的重要受力部件，对焊接质量要求高。
Failure analysis of side rail box imitating chief beam of metallurgy crane was studied. Cause of fatigue failure and improving method were given.
介绍了冶金起重机金属结构偏轨箱形模拟主梁的疲劳失效分析研究结果，提出疲劳失效的原因及改进措施。
A special purpose automatic welding equipment was designed and developed according to the requirement of thick-thin steel plates welding of container crane box beam.
根据集装箱吊车箱形梁中厚薄板焊接要求，设计了一台专用自动焊接设备。
For the calculation of the crane box-style beam, which is generally very complicated, not only waste much time but also very easily make mistakes.
对于起重机箱形梁的计算一般比较复杂，用人工计算不仅耗时比较长，而且很容易出现错误。
The tension side of the beam flange which was separated from the beam and the box-column formed the model for analysis.
将梁受拉翼缘单独取出，与箱形柱连接形成分析模型。
The top beam shall be arranged on transverse partition boards within the box. the beam jacking process shall be slow so as to avoid uneven force bearing of jacks.
顶梁位置设在箱内横隔板上，顶梁过程应缓慢进行，防止出现千斤顶受力不均的情况。
At present, the widely used box section beam, rigid frame, cable-stayed Bridges and other structures.
目前，箱型截面广泛应用于连续梁、连续刚构、斜拉桥等桥梁结构中。
The experiment results prove that the stiffness and the ultimate strength of the steel-concrete composite box beam are increased by 54.15 % and 27.72 %, respectively, through using external tendons.
试验证实，体外索钢箱-混凝土组合梁比普通的钢箱-混凝土组合梁的刚度提高54.15%，极限强度提高27.72%。
For box systems, the gravity loads are transferred to the ground using a simply supported "post and beam" type system where the walls act as axial-loaded, (or combined axial plus bending), members.
盒子体系中，重力荷载是通过简支的“梁、柱”体系传递到地面的，而墙作为传递轴向荷载构件(并传递轴向附加弯矩)。
In this dissertation, the shear lag effect for large span box-section beam structure and the structural nonlinear anti-seismic capability have been theoretically and experimentally investigated.
本论文主要针对大跨度箱形截面梁结构剪力滞效应和结构非线性抗震性能进行了较深入的理论分析和一定的试验对比研究。
Sootblowers shall have steel box beam construction to enclose the drive mechanism, motor, lance and other moving or hot parts for complete personnel protection and safety.
为了能对人员完全起到保护和安全作用，吹灰器应有钢制箱梁结构来密封驱动机构、电机、吹灰枪和其它活动或较热部件。
Sootblowers shall have steel box beam construction to enclose the drive mechanism, motor, lance and other moving or hot parts for complete personnel protection and safety.
为了能对人员完全起到保护和安全作用，吹灰器应有钢制箱梁结构来密封驱动机构、电机、吹灰枪和其它活动或较热部件。
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