详细介绍了对双导梁式架桥机天车、行走系统、有效工作长度及预制梁安装就位的改进情况。
The text detailedly introduced crown block, running system, availability work period of bridge girder erection equipment and improve case for precast beams install.
后张无粘结预应力筋适用于大跨度、大开间建筑的现浇楼板、大荷载的预制梁及其他特种结构。
Post-tensioned unbonded Prestressed concrete bar is suitable for cast-in –Place concrete of Long –span and Wide buildings, Large load Prefabricated beam and other construction.
采用起重机吊装预制梁，具有施工机具简单、易于操作、成本低、工期短、质量安全易于保证等优点。
Using crane to hoist and construct bridge is characteristic of simple in constructional machines, easy in operation, low in cost, short in construction time, safety and good quality.
屋顶由预制木板与在梁与梁之间跨越的胶合木屋面板建成。
The roof is made of prefabricated wood boards, with plywood sheathing that spans from beam to beam.
就如何控制梁板预制的蒸气养护温度进行了阐述。
The paper expounds the controlling methods of steam maintenance temperature for beam slab precasting.
主要针对预应力箱梁在预制过程中所须的内模，在结构形式、使用原理等方面进行了研究。
This article mainly aims at the internal mold used in the process of prefabricating box-girder and conducts researches on it's structural style, activity principle and so on.
分析预制混凝土梁（板）在施加预应力时质量缺陷的原因及其对策。
The paper analyzes reasons for quality defects as the precast girder is prestressed and raises strategies for them.
使用预制钢筋混凝土梁或者现浇钢筋混凝土板会很容易将两侧地下连续墙的跨度空间连接起来，从而完成隧道的主壳。
The span between two such diaphragm walls can easily be bridged with precast reinforced concrete beams or a cast in-site reinforced concrete slab to complete the main shell of the tunnel.
对预制构件的自身强度以及预制的墙-墙连接、梁-扳连接、梁-柱连接、柱-柱连接做了分析说明。
The analysis methods of the strength of the precast elements and the connections between the precast load bearing walls, precast slabs, precast beams and precast columns are introduced.
上海市深水港工程东海大桥，上部结构预制箱梁在预制场内采用滑移方式运输。
The slip method for transporting the precast box beams of Donghai Bridge is adopted in Shanghai municipal deep water harbour engineering.
短线法箱梁节段预制拼装桥梁施工技术在国外应用较多，在我国近年来也有应用。
The construction technique of box girder precast segment assembling by short-line method has been applied abroad, while applied in China in recent years.
采用的连接方式能将预制墙板、现浇柱及地梁连接成整体。
The adopted connections of the specimens integrate the pre-cast wall panel, the cast-in-site column, and the foundation as an unit.
沪闵高架工程预制节段梁采用蒸汽养护的工艺，使混凝土早期强度增长，满足了施工进度要求。
The application of steam curing process for precast segmental beams of Humin Elevated Project has increased the early strength of concrete and met the requirements of construction progress.
箱梁的预制是钢筋混凝土斜拉桥施工中的重要环节，它直接影响到主桥施工的吊装进度和拼装精度。
To prefabricate box-girder is important in concrete cable-stayed bridge construction, it affects directly the main bridge construction of assembly progress and packing accuracy.
那不是建设，而是一层一层组装预应力梁构件和预制造模块的过程。预制造的时间并没有算在建设工期内。
It is not building, but, assembling the prestressed beams or prefabricated moulds, floor by floor. Fabrication does not come into the time frame.
该桥是采用预制的槽型梁修建的，但是也可利用AASHTOI的标准工型梁或箱型梁修建。
This bridge was built with precast channel girder sections, but could be built with AASHTOI girders or box sections.
预制节段拼装连续梁桥可广泛应用于高架桥和轻轨等建设项目。
The precast segmental construction technique is widely used in the viaduct structures for both vehicular and light rail systems.
本发明还提供一种对应的预制混凝土梁制备方法。
The invention also provides a fabricating method of the precast concrete beam.
详细阐述了预制箱梁海上新的吊装工艺和控制方法，包括吊具设计、浮吊改造、运输驳改造。
The advanced hoisting technique and control method of prefabricated box girder over sea including spreader gear design, floating crane improvement and transport barge have been expounded in details.
结合工程实例介绍了装配式预应力空心板梁的集中预制的施工组织及工艺流程。
Combined with the engineering practice discussion is made on the construction technology and the process for the centralized prefabrication of prefabricated prestressed hollow girder beam.
受行业传统的影响，水电站厂房屋面采用预制“I”形屋面梁及预制板结构已沿用多年。
The I-type beams and precast slabs have been used in the power stations for many years because of the influence of the vocation tradition.
介绍了高原高寒地区预制桥梁施工过程中混凝土施工、梁体养护、张拉压浆等的质量控制技术。
The paper introduces quality control technologies for concreting work, curing of beams, stretching and pressure grouting in the course of bridge precasting in the frigid plateau region.
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。
Combined with the construction, the paper introduced the design and application of precast box beam inner form.
结果表明，随着预制裂纹偏离梁中线距离的增加，裂纹的起裂角和峰值荷载都增大。
The results showed that the crack initiation Angle and the peak load increased as the distance of the preexisting crack from the midpoint of the beam increased.
公路桥梁预制钢筋混凝土板梁施工中，底模的制作及脱模是关键。
Fabricating and demoulding of the base mould is a key during the course of construction for precast plate girder of highway bridge.
介绍了预制厂建设，叙述了单箱梁预制设备配套技术。
This paper introduces the construction of precast yard, and expounds the equipment matching technology for the precast of single box-beam.
本课题研究的600吨龙门吊主梁为双梁结构，共分20段进行车间预制，最后现场就位拼装。
The 600 tons gantry girder for the two-beam structure is divided into 20 pre-workshop to the final assembly site in place.
分析了某预应力桥梁预制T梁施工裂缝产生的原因。
The cause of crack formation in construction of prefabricated t beams of a certain prestressed bridge is analysed.
由于预制场预制的箱梁和搬运机重量很大，而预制场地基属于软土地基，所以在变形上要求严格。
The deformation of pre-site base is so strict because pre-Box games and handling machine is very heavy in precast yard and the pre-site base is soft.
由于预制场预制的箱梁和搬运机重量很大，而预制场地基属于软土地基，所以在变形上要求严格。
The deformation of pre-site base is so strict because pre-Box games and handling machine is very heavy in precast yard and the pre-site base is soft.
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