您要查找的是不是:
- External prestressing tendons are widely adopted in bridge engineering and structure strengthening. 摘要体外预应力广泛地应用于桥梁工程和其它预应力加固结构。
- ANALYSIS OF LATERAL RESTRICTION ON BEAM'S CARRYING CAPACITY OF FRAME STRUCTURE STRENGTHENED WITH EXTERNAL PRESTRESS TENDON 侧向约束对体外预应力加固框架梁承载能力影响分析
- External prestressed tendons 体外索
- EXPERIMENTAL STUDY OF STRENGTHENING RC FRAME BEAMS WITH EXTERNAL PRESTRESSING TENDONS 体外预应力加固混凝土框架梁的试验研究
- Calculation methods for the ultimate stress and effective height of external prestressing tendons 体外预应力筋极限应力和有效高度计算方法
- To Calculate the Stress Increment of Externally Prestressed Tendon for Girder Bridges using Energy Method under Uniform Loadings 能量法求均布载荷作用下梁桥体外力筋应力增量
- By using a computer code specifically developed for externally prestressed concrete bridges, the stress variations in the external tendons of several typical spans are analyzed. 利用研发的体外预应力混凝土桥梁结构弹性阶段非线性分析专用程序 ,对几种典型跨径体外预应力混凝土梁桥的体外预应力钢束在汽车活载作用下的应力变幅进行分析。
- externally prestressed tendons 体外预应力筋
- externally prestressed tendon 体外预应力筋
- In the process of pseudo-static test, the stress of unbonded prestressed tendons is invariable approximately before the yielding of the specimens. 拟静力试验过程中,无粘结预应力混凝土扁梁框架节点试件在屈服之前,无粘结预应力筋的预应力值仅有微小波动,总的趋势是基本保持不变。
- Then the influence of activity admixture, reinforcement ratio of conventional bars, prestressed tendons and cylic load on shrinkage and creep are analyzed. 分析了影响混凝土收缩徐变的主要因素,特别是混凝土活性掺合料、普通钢筋和预应力钢筋的截面配筋及周期性反复荷载下对收缩徐变的影响;
- In order to deal with the problem of severe overloading on a main steel beam of dust catcher in a power plant,an external prestress truss structure for reinforcement is presented. 针对某电厂除尘器主钢梁严重超载的情况,提出体外预应力桁架加固方案。
- The stress increments of unbonded prestressed tendon in the continuous beams subjected to both symmetrical and asymmetrical loads are analyzed. 计算了对称和不对称加载的无粘结预应力连续梁的应力增量。
- In the externally prestressed beam specimens, the prestressing increments of bonded CFRP tendons are much larger than those of external ones. 体外预应力梁中体内预应力筋的应变增量比相应的体外预应力筋大得多;
- According to the fact that most defects of this type of bridge are related to loss of prestress,the main method to reinforce old T-frame bridges is to compensate loss of prestress by increasing prestressed tendons. T型刚构桥的大部分病害均与预应力损失过大有关,因此目前对T型刚构旧桥加固的方法主要是通过增加预应力索及粘贴钢板等来补偿混凝土的预应力。
- There are two types of unbonded prestressed concrete beams according to tendon layout: unbonded internally prestressed concrete beam and externally prestressed concrete beams. 无粘结预应力混凝土梁按照预应力布束方式的不同具有两种形式:体内无粘结预应力混凝土梁和体外预应力混凝土梁。
- Taking an arch foot as an example,a practical m et hod was proposed to simulate the contact pressure of the prestressed tendon acco rding to the experiment. 以桥梁拱脚为例,依据实验结果提出了一种模拟预应力钢索与索道壁之间接触压力等代荷载的实用的方法。
- The key of calculating flexure strength of UPPC beam is to determine unbounded prestressed tendon s ultimate value when the components are under their ultimate load ability. 计算UPPC梁(板)的抗弯强度,关键是确定构件在极限承裁能力时无粘结预应力筋的极限应力值。
- According to the mechanical character of simply supported steel box girder with prestressed tendons,and considering the interaction of tendons and girder, the finite element model is established. 根据预应力简支钢箱梁的受力特性,考虑预应力索与钢箱梁的相互作用,建立了有限元计算模型,有限元计算值与实测值吻合较好。
- On the basis of analyzing effect of prestressed tendon layout on internal force and thrust at springer, the principle of prestressed iendon layout for three-span prestressed concrete deck arch bridge is illustrated. 摘要在分析预应力布置位置对三跨上承式拱桥内力和拱脚推力影响的基础上,阐明了该类桥型预应力筋的布置原则。