1) prestressed steel reinforcement
预应力钢筋加固
2) Prestressed reinforcement anchoring
预应力加筋锚固
3) strengthening prestressed reinforcement
补强预应力筋加固
1.
In addition,a comparative analysis of stresses in the corbel before and after strengthening prestressed reinforcement was made.
通过控制裂缝的区域、形状和大小模拟实桥牛腿开裂,分析引起牛腿开裂的因素;对开裂后的牛腿进行补强预应力筋加固,对比加固前后牛腿的应力,分析补强预应力筋锚下应力,考察该加固方法的有效性。
4) 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。
5) 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。
6) prestressed tendon
预应力钢筋
1.
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。
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