Because of length limit, the single tubular bus requires welding several tubular bus es during construction, resulting in large amount of welding load.
管母的单根长度有限，在施工中要将几根管母焊接起来，焊接的数量较多。
However, a lack of specifications and standards that guide the construction of concrete-filled steel tubular structure has hampered the popular use of this kind of structure to a certain extent.
但是目前对钢管混凝土的研究多数还是集中在理论方面，在施工方面还没有专门的规范进行指导，这在一定程度上也阻碍了这种结构形式在更广范围内的应用。
In recent years, as a new-type bridge, concrete-filled steel tubular arch bridge has been deeply developed in our country s construction, for its own merits and can luckily make agreement with the factual situation of bridge engineering.
近年来，钢管混凝土拱桥作为一种新兴的应用新材料的桥型，由于自身的优点以及与我国的桥梁建设的实际情况相适合，因此得到了极大的发展。
This paper introduces the calculation of bearing capacity of concrete-filled steel tubular column and its construction technology measure, and solves the problem that reinforced concrete column fails to achieve the design requirement by using it, which to avoid working over again and economic loss and to achieve the prospective effect.
介绍了钢管混凝土柱的承载力检算及其施工技术措施，较成功地利用钢管混凝土柱解决了钢筋混凝土柱强度达不到设计要求的问题，避免了返工和经济损失，达到了预期的效果。
The coagulation tubular reactor has the advantages that the intensified coagulation system is utilized to enable raw sewage and the drug to generate rapid and intensified collision reaction within a short period of time, which can shortens materialization and coagulation period, effectively improves processing effectiveness, reduces drug dosage and equipment coverage; during the whole coagulation reaction process, no external mechanical agitation is needed, which can effectively save energy consumption, significantly reduce construction cost and daily operation cost; during the whole processing process, both manual valve control and automatic control can be realized and the operation is simple.
本发明通过强化混凝系统，使原污水和药剂在极短的时间内产生快速激烈的碰撞反应，缩短物化混凝反应时间，有效提高处理效果、减少药剂用量和设备占地面积，且整个混凝反应的过程中，无需外界机械搅拌，有效节省能耗，大幅度降低工程造价和日常运行费用；整个处理过程通过人工阀门控制，同时亦可实现自动化控制，操作简单。
This article highlights the construction and basic parameters of the tubular belt conveyor and the technical requirements for conveying belt.
介绍了管状带式输送机的结构特点、基本参数，以及对输送带的技术要求，探讨了整机的设计要点，认为将会在我国得到推广应用。
Welded steel pipe for supporting roller of belt conveyer Construction of 2-Column Type Tubular Steel Tower for 500 kV Lines
GB/T13792-1992带式输送机托辊用电焊钢管500kV输电线路两柱式钢管塔施工
THE OVERALL STABILITY OF A BATTENED PLATE COLUMN Construction practice of concrete filled steel tubular column
双肢缀板钢格构立柱的整体稳定分析钢管混凝土柱施工实践与体会
Since rib-hoisting of concrete-filled steel tubular (CFST) arch bridges is a very complex process, construction monitoring is necessary to satisfy the requirements of design strength and final bridge alignment.
钢管混凝土拱桥拱肋节段吊装施工过程是一个复杂的过程，为了保证最终的成桥线型和受力状态满足设计要求，对其采取施工阶段的监控是十分必要的。
The Influence Monitoring of Adjacent Pile in Construction Process for Precast Tubular Pile
预制管桩施工过程中邻近桩基的影响监控
At present, the engineering construction of domestic water conservancy and power is in unprecedented flourishing developing period, many low head run-of-river power stations are built on the rivers of our country progressively, the bulb tubular power station among them becomes a kind of prevalent pattern presently because of its smooth flows, aircrew's large flow, high unit rotational speed, high efficiency, small size, light weight, good energy and economic indicator.
国内水利水电工程建设目前正处于前所未有的蓬勃发展时期，许多低水头径流式水电站逐步在我国的江河上兴建，其中灯泡贯流式水电站由于流道平坦、机组过流量大、单位转速高、效率高、尺寸小、重量轻、能量及经济指标好等优点成为目前水电站开发的一种良好型式。
Because of the influence of the construction, the prefabricate tubular members of this column will be under the biaxial stress condition of tension and compression, it will influence some characters of this column.
根据预制管混凝土柱的受力特点，预制管在承受轴心荷载时将处于二轴拉、压应力状态。
The application of cast-in-place shutterings CLOSE-RIBBED floor with concrete filled steel tubular column frame construction system
现浇模壳密肋楼盖结合钢管混凝土柱框架结构体系的应用
In this article, authors state design and construction of steel tubular scaffold with couplers adopted in an ultra-large awning.
介绍了特大雨蓬采用的扣件式钢管承重支撑架的设计与施工。
Design and Construction of Concrete-Filled Steel Tubular Bowstring Arch Bridge
钢管混凝土系杆拱桥的设计和施工
Both in the theoretical research of static and dynamic characteristics, or in the design and construction, we already have very sophisticated research and improve for large-span concrete-filled steel tubular arch bridge, and large-span steel box bridge, relevant research and results also have lots.
无论是静力、动力特性的理论研究方面，还是在设计和施工方面，人们对大跨度钢管混凝土拱桥和大跨度钢箱拱桥的研究已非常成熟和完善，相关的研究论文和成果也很多。
Behaviour of hollow steel tubes in concrete filled steel tubular frame structures during construction
钢管混凝土框架中的空钢管施工受力分析
The hollow steel tubes of concrete filled steel tubular (CFST) structure are suffered vertical construction loads during construction as they are vertical support frame. The steel tubes will suffer initial stress before they can work together with concrete infilled.
钢管混凝土结构的空钢管是施工过程中的竖向支撑骨架，要承受相应的竖向施工荷载，在形成钢管混凝土结构之前，空钢管中具有一定的初始应力；
The hollow steel tubes are subjected to lateral hydrostatic loads as concrete has flowing properties during the construction of concrete filled steel tubular (CFST). It may cause stress concentration on steel tube.
在钢管混凝土柱施工浇筑期间，混凝土的流动性将对钢管产生侧向静水压力，从而引起钢管局部应力集中的现象。
Tubular pumps have high pumping devices efficiency, small hydraulic loss, strong discharge capacity, compact units structure, simple construction arrangement and low cost both for construction and running.
论小过卦的过与不及&析小过卦卦爻辞具有装置效率高，水力损失小，过流能力大，机组结构紧凑，水工布置简单，土建和运行费用低等优点。