precast prestressed beam

Summaries of big span prestressed beam construction work;

大跨度预应力梁的施工工作总结

In order to guarantee the construction quality of 500 mm×1 900 mm bonded prestress beam,its construction procedure,installation and demolishment of formwork,corrugated pipe setting,prestressed beam baiting,threading and stretching duct grouting and end envelop and other construction points were illustrated,so as to guarantee both quality and quantity.

为了保证500 mm×1900 mm预应力梁的施工质量,对该预应力梁的施工顺序、模板安装与拆除、波纹管留设、预应力筋下料、穿束与张拉孔道灌浆及端部封裹等方面分别阐述其施工要点,保质保量地完成了该预应力大梁的施工。

In this paper,design of long-span prestressed beam is introduced.

文章叙述了大跨度预应力梁的整体设计,包括计算程序的应用、预应力筋数量的估算、材料和锚具的选择及构造要求等,供设计参考。

The reinforcement mechanism and effect of Carbon Fiber Reinforced Polymer for prestressed concrete beams is studied through experiments.

通过试验对碳纤维加固预应力梁的受力机理和加固效果进行分析,揭示了钢筋性能及本构关系对碳纤维发挥程度和加固梁承载力提高幅度的影响。

Experimental research on nature frequency of prestressed concrete beams;

预应力梁固有频率的试验研究

Including emergency measure,theory calculation,load test,this article introduces the disposal method and disposal result on the quality problem of prestressed concrete beams which were dismantled formwork prior to drawing.

通过采取应急措施、理论验算、荷载试验等步骤,本文介绍了预应力梁张拉前拆模所引起的质量问题的处理方法和处理结果,可为类似工程质量问题处理提供借鉴。

Research on Prestress Loss of Full Prestressed Concrete Beam;

全预应力梁预应力损失的动力检测研究

Research into CAD of the Drawing of Prestressing Cables in Long-span Prestressed Concrete Beam Bridge;

大跨预应力梁桥预应力束施工图的CAD研究

precast prestressed concrete beam

预制预应力混凝土梁

post-tensioned prestressing concrete beam

后张法预应力混凝土梁

Design of Partially Prestressed Highway Bridges According to Degree of Prestressing

按预应力度设计公路部分预应力桥梁

EXPERMIENTAL STUDY ON EFFECTIVE PRESTRESS OF BEAMS STRENGTHENED WITH PRESTRESSED CFL

预应力CFL增强梁有效预应力实验研究

Mechanical Analysis for Prefabrication Stage of Prestressed Concrete T Beams on Bridge

桥梁中预应力混凝土T形梁预制阶段力学分析

Design of 128m Combination Bridge with Prestressed Concrete Beam and Arch

128m预应力混凝土梁拱组合桥梁设计

Effective prestress forecast of PC beam based on dynamic performance

基于动力性能的PC梁有效预应力预测

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

The Sytdy to Stress Regularities of Distribution of RPC Prestressed T-girder Upper Plate;

RPC预应力T梁顶板应力分布规律研究

Study on Shear Lag Effect of Prestressed Concrete Spine Beam

预应力混凝土脊骨梁剪力滞效应研究

INTERFAICAL STRESS ANALYSIS OF BEAMS STRENGTHENED WITH A PRESTRESSED CFRP PLATE

预应力CFRP板加固梁的界面应力分析

Research on the Tendon s Stress of Unbonded Full Prestressed Simply Supported Beam;

无粘结全预应力简支梁预应力筋受力状态研究

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

Prefabrication Craft of Prestressed Hollow Board in Bridges

公路桥梁预应力空心板预制施工工艺

Analysis of cracks in certain T-beam of precast prestressed concrete

某预制预应力混凝土T型梁裂缝分析

Study on rotation capacity of prestressed composite girders under negative moment

预应力组合梁负弯矩作用下梁端转动能力研究