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- 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
- externally prestressed tendon 体外预应力筋
- 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。
- 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 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。
- externally prestressed tendons 体外预应力筋
- 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。
- A.C.Aparicio,G.Ramos J.R.Casas Testing of externally prestressed concrete beams[J].Engineering Structures,2002,24(1):73-84. 陈进;杨家玉.;体外预应力简支梁的力学分析[J]
- 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。
- 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。
- Little has been presented about the existing small curvature radius U-shaped prestressed tendon,whose practical elongation value and theoretical stretching elongation deviate greatly from each other. 基于现有规范小曲率半径U形预应力筋张拉伸长量缺乏陈述,而该类预应力筋实测伸长值和理论伸长值偏差过大。
- And the optimization result is got through the equation.The calculation indicates that preloading stress can be more homogeneous by adopting optimized project of prestressed tendon layout. 计算表明采用优化的配索方案可以让索塔的预压应力分布更加均匀，结构可以具备更高的整体安全度，并可以节省预应力材料。
- 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。
- Extension of reinforcement externally prestressed 体外预应力
- External prestressed tendons 体外索
- externally prestressed concrete beam 体外预应力梁
- The middle strength spiral rib steel wires is an ideal substitute of prestressing tendon in precast hollow slab. 中强螺旋肋钢丝是预制空心板中的预应力筋的理想替代品,采用中强螺旋肋钢丝的预应力空心板的受力性能好,安全储备大。
- externally prestressed structure 体外预应力结构
- Research purposes: This paper analyzes the effect of the lateral prestressing tendon in top deck on the lateral calculation result of box beam. 研究目的:研究顶板横向预应力钢束对箱梁横向计算结果的影响,给箱梁结构设计提供借鉴和帮助。
