1) arrangement manner of prestressed steel bar
预应力钢筋布置方向
2) vertical prestressed reinforcement
竖向预应力钢筋
1.
By the study of the auchorage technique experiment and the prestress loss test of vertical prestressed reinforcement, a practicable method for ensuring the offective vertical prestress of long span continuous rigid framed bridge is obtained, and the variational laws of vertical prestress loss are analyzed in the paper.
通过对竖向预应力粗钢筋的锚固工艺试验及预应力损失的检测 ,得到了保证有效预应力的可行方法 ,分析了竖向预应力钢筋应力损失的规律 ,可为类似桥梁预应力钢筋施工提供参
3) distribution of prestressed steel bar
预应力筋布置
4) distribution of pretressing tendons
预应力钢束布置
5) prestressed steel
预应力钢筋
1.
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。
2.
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。
6) Prestressed reinforcement
预应力钢筋
1.
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。
2.
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。
补充资料：预应力
分子式：
CAS号：
性质：试验中试样所受到的预加的恒定静态应力，单位为Pa。在生热性疲劳试验中，如固特里奇屈挠试验中，一般都施加一恒定预应力，使试样产生一静态变形，再叠加一周期压缩变形进行试验，通常预应力的大小会影响试样的疲劳寿命，预应力越大，则试样寿命会越明显缩短。也有的先施加一静态压缩变形，再叠加周期性剪切变形进行试验。
CAS号：
性质：试验中试样所受到的预加的恒定静态应力，单位为Pa。在生热性疲劳试验中，如固特里奇屈挠试验中，一般都施加一恒定预应力，使试样产生一静态变形，再叠加一周期压缩变形进行试验，通常预应力的大小会影响试样的疲劳寿命，预应力越大，则试样寿命会越明显缩短。也有的先施加一静态压缩变形，再叠加周期性剪切变形进行试验。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条