A study of the layout of pre-stressing tendon and the formula for calculating area used in checking local compression bearing capacity
预应力钢筋束的布置及局部受压计算底面积的研究
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。
The formula for accurate calculation on the theoretical value of elongation for the post-tensioning prestressing steel has been derived from the principle of prestress losses due to friction.
运用预应力摩擦损失原理,推导出后张预应力钢筋理论伸长值的精确计算公式,在改进和完善《公路桥涵施工技术规范》(JTJ041-2000)有关后张法预应力钢筋理论伸长值计算方法的同时,显著提高了其计算精度,为保证预加应力的准确可靠,提供了重要的理论依据。
Here both the more reasonable arrangements of prestressing steel in prestressed concrete beams with relevant observation also conducted in tests, and the experimental study of the better reinforcements in square reinforced concrete slabs, are given with some details.
阐述了预应力混凝土梁中预应力钢筋较合理的配置 ,进行了有关试验观测和钢筋混凝土方板优选配筋的试验研究 ,并都给出了一些细节 。
A study of the layout of pre-stressing tendon and the formula for calculating area used in checking local compression bearing capacity
预应力钢筋束的布置及局部受压计算底面积的研究
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
The Finite Element Analysis of Pre-Stress Steel Bar Restricted Concrete Column;
预应力钢筋箍约束混凝土柱的有限元分析
RESEARCH OF STRUCTURE MODEL PRE-STRESSED STEEL BAR RESTRICTING CONCRETE COLUMN
预应力钢筋箍约束混凝土柱的有限元分析研究
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
Various Prestress Loss Caculation of Prestress cables(In Chinese)
预应力钢束各种预应力损失值的计算
heat treated steel bar for prestressed concrete
预应力混凝土用热处理钢筋
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
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
STUDY ON NEW LAYOUT OF PRESTRESSED CABLES SUBJECTED TO COMBINED LOADS FOR FRAME SPANDREL BEAMS
框架边梁中复合抗力预应力筋新束型的研究
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
Research on the Optimal Design of Long Longitudinal Prestressed Reinforcement Layout for PC Bridge
PC梁桥长束纵向预应力筋优化布置研究
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
Analysis on Mechanical Behavior of Reinforced Concrete Beams with Prestressed CFRP;
预应力CFRP加固钢筋砼梁复合结构力学行为分析