预应力张弦梁,prestressed beam string structure
1)prestressed beam string structure预应力张弦梁
1.Study on construction control technologies for long-spanprestressed beam string structure大跨度预应力张弦梁施工控制技术研究
2.Deformation and internal force analysis ofprestressed beam string structure based on Rayleigh-Ritz method基于瑞利-里兹法的预应力张弦梁变形与内力分析
3.0,full-range construction finite element simulation was conducted forprestressed beam string structure of Shanghai Yuanshen Arena.0,对上海源深体育馆预应力张弦梁进行了施工全过程有限元模拟,并采用位移传感器、振弦式应变计和索力动测仪等较先进的传感测量仪器对施工过程中的结构变形与构件截面应力进行了实时监测。
英文短句/例句
1.Construction Technology of Prestressed Steel Beam String Structure in Hohhot New Railway Station呼和浩特新火车站预应力张弦梁施工技术
2.Study on construction control technologies for long-span prestressed beam string structure大跨度预应力张弦梁施工控制技术研究
3.Deformation and internal force analysis of prestressed beam string structure based on Rayleigh-Ritz method基于瑞利-里兹法的预应力张弦梁变形与内力分析
4.The comparison of simulation method of prestressing force tension procedure of BBS by FEA张弦梁结构预应力张拉有限元模拟方法比较
5.Construction Technology of Prestressed Cable of Beam String Structure in Yantai World Commercial Center烟台世界贸易中心张弦梁预应力拉索施工技术
6.The Initial Strain Method to Simulate Prestress Tension Procedure to Solve the Forming Finding Problem of BSS初应变法模拟预应力张拉解决张弦梁结构找形问题的方法
7.Study on Dynamic Property and Dynamic Responses of Beam String Structure with Double-layer Strings;双层弦张弦梁结构的动力特性及动力响应研究
8.Stretching analysis on 126m beam string girder crossing prestressing lanyard126m跨张弦桁架预应力拉索张拉分析
9.post-tensioned prestressing concrete beam后张法预应力混凝土梁
10.Prestress Loss Induced by Friction in Suspendome Construction弦支穹顶结构预应力张拉的摩擦损失
11.Study on Form Fingding and Wind-Induced Dynamic Response for Beam String Structures;张弦梁结构的找形和风振动力响应分析
12.Dynamic Response Analysis and Study on the Seismic Characteristics of the Bidirectional Beam String Structure;双向张弦梁动力响应分析与抗震性能研究
13.Dynamic Response Analysis and Study on the Seismic Characteristics of the Beam String Structure;张弦梁结构动力反应分析及抗震性能研究
14.Stress Analysis of T-shaped Beam during the Procession of Tensioning Tendons;张拉预应力筋阶段的T型梁应力分析
15.Post-tensioning Producing Method of the Prefabrication of 40 m Prestress Box后张法40m预应力箱梁预制施工技术
16.Study on Cable Prestress for Large-scale Reticulated Shell Structure张弦双层网壳结构环向拉索预应力研究
17.Important point description of prestressing extension construction on the prestressing continuous bridge预应力连续梁桥预应力张拉施工的要点简述
18.The post tensioned prestressed construction control points of prestressed concrete box beam预应力混凝土箱梁后张法预应力施工控制要点
相关短句/例句
string prestressed张弦预应力
3)post-tensioned prestressed beam后张法预应力梁
4)post-stressing box girder后张预应力箱梁
5)prestressed beam string pipe预应力张弦式管道
1.Optimization design of a 100 m-spanprestressed beam string pipe;100m跨预应力张弦式管道优化设计研究
6)T-beam prestessed by post-tensioning method后张法预应力T梁
延伸阅读
预应力钢筋张拉设备使预应力混凝土结构里的钢筋产生并保持预应力的设备。分手动、电动和液压传动张拉机等。液压张拉机拉力大、重量轻，使用灵活方便。按钢筋张拉工艺有先张法和后张法两种。先张法用的夹具可以重复使用；后张法用的锚具将成为构件的一部分，不能取下再用。常采用不同的夹具来锚固各种钢筋，圆锥形夹具用于锚固直径12～16毫米的钢筋，镦头梳筋板夹具适用于板类构件中张拉低碳冷拔钢丝，波形夹具可成批张拉和锚固钢丝,螺杆锥形夹具则用于钢筋束的后张自锚。作业时,钢筋的一端锚固，另一端由张拉机通过夹具把钢筋夹紧张拉。穿心式张拉机作业时将钢筋穿入，打开前油嘴，由液压泵把高压油送入后油嘴，使张拉缸后退，利用尾部锚具将钢筋锚固并张拉。张拉到所需应力值后，关闭后油嘴。前油嘴进油，活塞向前推出，顶压锚塞，使钢筋锚固。回程时，活塞靠弹簧复位，完成张拉。管类构件可采用环向预应力缠筋机，在管坯上缠绕预应力螺旋钢筋（见图）。作业时,管坯由卡盘夹持，通过调直张紧滚轮在管坯上绕4～5圈应力不大的螺旋钢筋,此后液压缸使两侧的张紧轮分开，钢筋便张拉到预定的应力值。此时管坯旋转，并开动小车，管体上就连续绕上预应力螺旋筋。螺距的大小由小车的行走速度来控制。随着预应力构件生产批量的增加，一些专用的连续张拉设备得到发展，其特点是成组张拉效率高，需要的张拉力较小，可双向交叉配筋，张拉均匀，易于实现自动化生产。
