In this paper,some problems about design of post-tensioned concrete structures are disussed,they are about the best balanced load,the main control facts of tendons and reinforcement amount,the calculating analysis of band beam in prestressed floor,and the concepts about the reasonal tendon shape in structure.
针对后张预应力混凝土结构设计中有关最佳平衡荷载，平衡荷载效应，控制合理预应力钢筋用量的最主要因素，楼盖平板上扁梁的内力分析以及预应力钢筋形状等概念问题进行了讨论，并提出了设计建
The change method of prestressed steel isn t described basically in specialized works.
通过对预应力混凝土受弯构件的受力分析 ,提出了预应力混凝土受弯构件中预应力钢筋代换的基本方法。
The laws of variation of mechanical behaviors with the temperature are investigated for prestressed steel and non_prestressed steel.
通过对２１根Φ１６月牙纹钢筋、４５根１２及８光圆钢筋、２４根ｓ５高强碳素钢丝高温下的力学性能试验，研究了预应力钢筋和非预应力钢筋的力学性能在高温下的变化规律。
In bonded prestressed concrete beam,the depth of compression is not only related to the ratio of tension reinforcement,but also is related to the kinds and schemes of prestressed reinforcement and common reinforcement and the lever of stress of the prestressed reinforcement.
而在有粘结预应力砼梁中,受压区高度不仅跟受拉钢筋的配筋率有关,还跟预应力钢筋、非预应力钢筋的品种和匹配、以及预应力钢筋初始应力水平等因素有关。
If the prestressed reinforcement is arranged in certain cylindrical surface, the formula can be simplified peatly and the equivalent load can be expressed by the geometric property of curve of the reinforement along the developed cylindrical surface.
如果预应力钢筋置于某个圆柱面内，则不但公式大为简化，而且可用圆柱展开面上钢筋曲线的几何特性表达等代荷载。
Since pre-stressed concrete box girders usually have a large number of curve pre-stressed tendons,a type of combined element is presented to simulate the prestressed tendons of box girders,and then the number of elements can be significantly reduced.
由于预应力混凝土箱梁中通常存在大量曲线预应力钢筋,提出一种组合单元,并用该单元模拟箱梁中的预应力钢筋,该方法可使结构分析时单元数量大大降低。
prestressed reinforced concrete sleeper
预应力钢筋混凝土轨枕
stretching equipment for prestressing reinforcement
预应力钢筋张拉设备
unbonded tendon
未粘合的预应力钢筋
Analysis and Discussion on Stretching Amount of Beforehand Bearing Force of Reinforcing Bar;
预应力钢筋伸长值计算的分析与讨论
A Method of Calculating the Center Line of Gravity of Prestressing Force of Steel in Plane Curved Girder Bridges
曲线梁桥预应力钢筋合力重心线计算方法
Analyzing Ultimate Stress from Simply-supported Beam of Reinforced Concrete with External Prestressed Strengthened System;
体外预应力钢筋混凝土梁桥极限承载能力分析
Modern Application and Characteristics of the Engineering Design of Non-adhesion Prestressed Steel Bar
无粘结预应力钢筋的现代应用及工程设计特点
The Study on Effective Prestress Detection of Simply Supported Unbonded Prestressed Concrete Beam by Dynamical Method;
动力法检测无粘结预应力钢筋混凝土简支梁的有效预应力研究
Technical consultant for Manufacture of big span prestressed concrete reiteration plate.
大跨度预应力钢筋砼叠合板生产技术的咨询。
Make an Approach to the Plastic Casing of Non coherent Prestressed Reinforcing Bar in Matters of Quality
无粘结预应力钢筋塑料套管质量问题的探讨
Experimental Study and Numerical Simulation of Bond Behavior of High-strength Prestressed Reinforcement;
高强预应力钢筋粘结性能试验研究及数值模拟
Study on Appropriate Layout of Pre-stressing Strands in PC Continuous Rigid Frame;
连续刚构桥预应力钢筋合理布束问题的研究
Research on Equivalent Elements for Reinfoced Concrete Briges;
预应力钢筋混凝土桥梁等效单元的研究
heat treated steel bar for prestressed concrete
预应力混凝土用热处理钢筋
Fracture analysis on pre-stress concrete ribbed bar of 45Si2Cr steel
45Si2Cr预应力混凝土钢筋断裂分析
Experimental research of the pre-stressed concrete structure behavior with HRB500 steel bars
HRB500级钢筋用于先张预应力梁的非预应力筋的试验研究
Theoretic Analysis and Calculation of Reinforced Concrete Beams Affixed with Pre-stressed Steel Plates
预应力粘钢加固钢筋混凝土梁的理论分析计算
Burial and Calculation of PHC Reinforcing Bar Stress Meter;
预应力管桩(PHC)钢筋应力计埋设与计算实例