As the box beams are industrial products, so it is necessary to obtain a permit before they can be fabricated and stored in a prefabricating yard. 铁路箱梁属于工业产品,须取得工业产品生产许可证方可在预制场内进行箱梁的商品化制造和存储。
Prefabricating Techniques for Simply Supported Box Beams for Passenger Transportation Railway 铁路客运专线混凝土简支箱梁预制施工技术
The plan layout is the basic work for the construction of a prefabricating yard. 预制场平面布置是预制场建设的基础工作。
Prestressing Force Control in Prefabricating Cored Slab Using Pretensioned Method Nonlinear numeric prediction on tension enhanced ability of three-rolls tension unit 关于先张法预制空心板的预应力控制三辊张力装置增张能力非线性数值预测
Configuration of large equipment in box girder prefabricating yard and its work efficiency& cost analysis 箱梁预制场大型设备的配置及工效费用分析
Directly against problems occurred while lining up of pile pipe and waterproof pipe for offshore platforms, the ZDS-1 pile pipe prefabricating line-up apparatus has been developed by the First Oil field Construction Company of Shengli Petroleum Administration Bureau. 针对石油海上平台桩管和防冰管预制加工对口时出现的问题,研制了ZDS-1桩管预制对口装置。
The T-shaped beam hoisting is influenced and restricted because of traffic flow disturb and narrow prefabricating site. 国道324线澄海外砂大桥工程属旧桥改建,行车干扰大,且预制场地狭小,严重影响和制约T梁的吊装施工。
A new method of prefabricating original cracks in refractory material specimens for fracture toughness test using high temperature static fatigue technique is presented in this paper. 提出了一种预制耐火材料断裂韧性测试试件原生裂纹的新方法&高温静态疲劳法。
The R& D and Application of Jumper Device for Prefabricating Aluminum Pipe 预制式铝管跳线装置的研制与应用
Through the evaluation of the two prefabrication and construction methods presently used for vertical steel oil tank, this paper recommends the wholly prefabricating and field hoisting method with the round ladder assembled according to its radius curvature. 通过对现行立式钢油罐螺旋形盘梯的两种安装及预制方法的评价,推荐整体预制现场吊装法及按盘梯曲率半径组对的预制方法;
With the application of low temperature fusion phase sintering technique, the taming and the prefabricating brick method can be combined, thereby solving the cracking and the splintering problem while raising the crystallizing and the abrasion resisting capability at the same time. 采用低温熔相法烧结技术能使捣打方法和预制砖块的方法形成整体性、结晶性,解决了开裂、脱落问题,增强了耐磨性能。
Application of a New Kind of Slippery Template in 20 Meters Prefabricating Hollow Roof Beam 一种新型滑升模板在预制20m空心板梁中的应用
Form performs three basic functions during artic expression: prefabricating function, constructing function and consummating function. 与文学创作活动的素材积累、艺术构思和艺术传达环节相联系,形式在艺术表现中具有三大基本功能&预成功能、建构功能、完善功能。
This paper discusses causation and preventing measure of prefabricating board cracking, and put forward method to avoid other common fault. 本文论述了预制板楼板面沿板缝开裂的原因及预防措施,并提出了避免产生其它一些通病的方法。
This paper introduces the process of prefabricating and installation, technical property for the rock wool sandwich exterior wall board with thermal insulation, fireproof and pressure releasing. 介绍了岩棉夹芯保温耐火泄压外墙板的预制和安装工艺、技术性能;
Lots of offshore construction methods have been adopted, such as erecting of the upper pylon shafts and main girders with huge floating cranes, prefabricating of the caissons in docks and floating of the caissons to their destinations. 在施工中采用了大型浮吊安装上塔柱和主梁,在船坞中预制和浮运沉箱基础等海上作业的方法。
The dissolving mechanism of Al/ TiC prefabricating alloy in Zinc melt has been analyzed. 对Al/TiC预制合金在锌熔体中的溶解机理进行了分析。
Experimental Study and Analysis of Al/ TiC Prefabricating Alloy in Zinc Melt Al/TiC预制合金在锌熔体中溶解过程的试验研究与分析
The technology is of generality, save investment, going into operation quickly and high efficiency and creates favours conditions for the construction site far from the specialized caisson prefabricating yard. 该工艺投资省、投产快、效率高、通用性强,为远离专用沉箱预制场的工程建设项目采用沉箱结构创造了条件。
This paper introduced the research, trial production, testing and application of jumper device of prefabricating aluminum pipe for multi-circuit strain tower in EHV transmission line. 介绍了超高压输电线路多回路耐张塔用预制式铝管跳线装置的研究、试制、试验及应用。
We are often faced with some problems such as narrow field or without lifting device or biggish constructional element during prefabricating T type girder, then the traversing technology is the most important method. 在桥梁工程施工中,T梁预制经常会遇到场地狭小的问题,特别是在没有吊装设备,而且构件重量又特别大的情况下,T梁横移技术就显得尤为重要了。
The Line Shape Control of the Arch prefabricating and Hoisting of Long Span Arch Bridge with Concrete Filled Steel Tube 大跨度钢管砼拱桥拱肋预制与吊装的线形控制
Field Prefabricating Technique of Large Diameter Reinforced Concrete Pipe 大口径钢筋混凝土管现场预制技术
The method of prefabricating surface semi-elliptic cracks and the technique of fatigue trace carving in a corrosive environment have been tackled. 试探了表面半椭圆裂纹的预制方法和在腐蚀环境中的疲劳刻痕技术;
Design and Arrangement of Huge Concrete Structure Prefabricating Yard 浅谈大型混凝土构件预制场的设计和布置
Many cracks. Field prefabricating key-points and cracks control measures of 40 m prestressed box beams 已初步确定了一个易于控制、粒度均匀性较好、裂纹较多的蓝钨制备的工艺条件。现场预制40m预应力箱梁施工要点
Hen the floorslabs of lavatories are constructed in the prefabricating factory, the drainpipes may be put into the reinforced concrete floorslabs to solve the leakage problems. 厕所卫生间楼板在预制工厂加工,将排水支管直接浇入钢筋砼楼板中,解决了渗漏的问题。
After this the dissolvent velocity of Al/ TiC prefabricating alloy in zinc melt has been measured by means of self made experimental equipment. 利用自制的试验装置测试了Al/TiC预制合金在锌熔体中的溶解量。
Analysis and Calculation of Receiving Power of Water Tank Prefabricating Hoist Assembly System about Inverted Cone Water Tower 倒锥壳水箱吊装系统的受力计算与分析
The prefabricating type connectors and terminals are often the weak link of insulation ageing, and the detection of partial discharge on-the-spot should be paid attention to. 包括预制式在内的接头和终端,往往是绝缘老化的薄弱环节,因而应重视对其进行现场的局部放电检测。