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 main bridge of Sanmenjiang Bridge in Liuzhou is a 3-span partial cable-stayed prestressed concrete box beam bridge with two pylons and double cable planes.
柳州三门江大桥主桥为双塔、双索面、三跨部分斜拉预应力混凝土箱梁桥。
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。
Pipeline hindering test of continual box beam prestressed in cantilever pouring construction;
泸州长江二桥为大跨度非对称连续刚构，采用悬臂浇筑施工。
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。
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。
Combined with the construction, the paper introduced the design and application of precast box beam inner form.
根据在太祁高速公路晋祠高架桥箱梁预制中的施工情况，介绍了预制箱梁的内模设计与应用。
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。
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 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 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 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。
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 article introduces the characteristics of analytic method and finite element analysis method of transverse bearing of the box beam.
介绍了箱梁横向受力的解析法与有限元分析法的特点。
Abstract: the steel box beam lifting on wide water surface faces a lot of risk factors and thereby has a higher safety control requirement.
摘要水上大跨度桥梁钢箱梁吊装工程风险大、对安全控制管理要求较高。
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。
The paper introduced the design and construction technology of strengthening some a box beam bridge by binding prestress system for reference.
介绍了某箱梁桥采用有黏结预应力体系进行加固的设计与施工技术，为采用类似技术进行桥梁加固的设计和施工提供参考。
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。
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。
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。
A great amount of post tensioned pre-stressing concrete single box beam for double track (as called the box beam hereinafter) has been used on the line.
该线大量采用后张法预应力混凝土双线单箱简支箱梁。
Under the conditions of larger longitudinal and cross-fall of road line, the author describes the calculations about core slab and box beam bridge chock.
阐述了在路线纵、横坡较大条件下空心板及箱梁桥楔块的设置与计算。
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。
The pedestrian overbridge of Haidian Park is located in Beijing Haidian Park, whose steel-concrete continous beam is a bifilar and hyperbolic through box beam.
海淀公园人行天桥位于北京海淀公园内，其钢-混凝土组合连续梁为双线双曲下承式箱梁。
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。
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 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。
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。
Discussing the anti - corrosion coating program of the general suspension bridge 's steel box beam protective railings and steel wire cables in the situation of heavy corrosion.
论述了在重腐蚀条件下，一般悬索桥的钢箱梁、防护栏杆和钢丝主缆的防腐蚀涂装方案。
Discussing the anti - corrosion coating program of the general suspension bridge 's steel box beam protective railings and steel wire cables in the situation of heavy corrosion.
论述了在重腐蚀条件下，一般悬索桥的钢箱梁、防护栏杆和钢丝主缆的防腐蚀涂装方案。
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