Otherwise, in using the continuous girder bridge we can find that the craze of the box-beam is very popular.
另外，在预应力连续桥梁的使用过程中，发现箱梁开裂的现象相当严重。
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。
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。
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。
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 controlled crucial works for this contract section is the construction for the prestressed concrete continuous combined box beam.
本合同段控制性关键工程是预应力砼连续组合箱梁的施工。
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。
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。
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。
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。
Three dimensional browse function of the system has just used visual technology to show whether the box beam is correctly designed.
本系统的三维模型浏览功能下是应用科学计算可视化技术来指导设计，检验箱梁设计的正确性。
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。
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。
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。
The paper demonstrate Sinfluence of air temperature change acting to concrete box beam on the base of observation and test of hte bridge.
本文在实桥观测与实验研究的基础上，论证了大气变温对混凝土箱梁的作用。
The paper discussed proportion between side span and middle span in three spans prestressed continuous box beam bridge.
本文对三跨预应力连续箱梁桥的边跨与中跨比例问题进行了初步的探讨。
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。
With its excellent section characters, the prestressed concrete box beam plays a main role in the girder bridge.
预应力混凝土箱梁以其优良的截面性质在梁桥中占据了主要地位。
This paper introduces the cast in place cantilever construction technology used in uncontinous box beam of the Hanchuan Hanjiang River Bridge.
介绍汉川汉江公路大桥非连续段箱梁的悬臂现浇施工技术，可供有关工程技术人员参考。
Some problems existing in the construction of prestressed concrete box beam are introduced, and some views and measures are put forward in the paper.
介绍了预应力混凝土箱梁施工中存在的问题，提出了自己的见解及相应的措施。
This paper introduces the structure and prestressing system design of Melovue Bridge and its overall design, structure inner stress analysis and construction procedure of box beam.
文章介绍了麦罗维友谊大桥的构造和预应力体系设计，并对该桥的总体设计、结构内力分析以及箱梁施工程序等方面进行了介绍。
A new steel-concrete composite structure was proposed which composed of steel box beam, PC beam and PBH Shear connection.
提出了一种新型钢砼组合结构——钢箱砼组合受弯构件，该构件由钢箱梁，钢筋混凝土梁及pbh剪力连接件组合。
An introduction is given to key construction flow, quality detection and quality control of bracket method for large span prestressed cantilever box beam cast in place.
结合工程实例，介绍大跨度预应力现浇箱梁托架法施工的关键工序、质量检测及控制。
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%。
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。
Therefore, the paper expatiates counter-arched method of long span box beam-iteration, and the process of counter-arched calculation of Shenzhen conference and exhibition center.
为此，本文阐述了大跨度箱形梁的预拱确定方法——逆迭代法，并以深圳会展中心箱形梁为实例说明计算过程。
Comparing the results of one irregular box beam obtained by the gridiron method to that by FEM, the characteristics of the application scope, merits and drawbacks of the gridiron method are convinced.
对上德立交桥中的一联异形箱梁通过不同的方法以及试验进行分析和计算，详细地说明了异形箱梁设计中常常使用的梁格法的适用情况和实际的效果。
Comparing the results of one irregular box beam obtained by the gridiron method to that by FEM, the characteristics of the application scope, merits and drawbacks of the gridiron method are convinced.
对上德立交桥中的一联异形箱梁通过不同的方法以及试验进行分析和计算，详细地说明了异形箱梁设计中常常使用的梁格法的适用情况和实际的效果。
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