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Base on the problem of large quantity fatigue loads on corroded R.C. structure and small quantity study of its mechanical property, bending resistance fatigue test of corroded R.C. beams is discussed in this paper. The influence of stress ratio and re-bar weight loss ratio on bending resistance fatigue performance of corroded R.C. beams are researched, and the relation between strains of corroded re-bars and fatigue life of beams are obtained. The main research contents and conclusions are as following: 1. Under the fatigue loads, the overstrain of concrete approximately coincidences three stages strain development and accumulation rule, and the mechanical property of concrete is deteriorated. The fatigue damage of concrete is accumulated. The overstrain of re-bars increases and the increase rate decreases.

鉴于实际工程中大量存在腐蚀钢筋混凝土结构承受反复荷载作用，但其力学性能研究不多的问题，本论文进行了锈蚀钢筋混凝土梁抗弯疲劳试验，研究了应力比和钢筋锈蚀率对锈蚀钢筋混凝土梁抗弯疲劳性能的影响，得出了锈蚀钢筋的应变与构件疲劳寿命之间的关系曲线，主要研究内容及结论如下：(1)在循环荷载下，混凝土残余变形基本符合三阶段变形规律，力学性能劣化，疲劳损伤积累。

Easy removal of the bars has been the focal point for the older generation and to appeal to the younger generation a punched hole has been added to allow bars to be threaded onto the popular key-rings.

轻松的酒吧已经取消了老一辈的焦点，并呼吁年轻一代冲孔已被添加到允许酒吧被线程上流行的钥匙圈。

In order to have identical values, the numbers of the oldest bars, from which the recalculation of all bars starts, in cycles both in the indicator and in the indicator code inside the EA should coincide.

为了有相同的价值观，有多少历史最悠久的酒吧，从它重新计算所有酒吧打响后，在这两个周期在指标，并在指标内码环境应不谋而合。

In order to use any of these bars I need to use a aluminum can to shim the bars to the right size.

为了使用这些酒吧我需要使用铝可以以心酒吧的权利的大小。

This paper introduces the reason that the damper bars of the squirrel-cage rotor is easy to break, compares and analyzes the cases of fitting the fans on the end ring s and fitting the fans on the other site, The result shows that the number of broken bars can be reduced by fitting the fans on the clamp ring.

本文指出了转子断条现象，研究了断条原因，对端环上挂风扇与不挂风扇的情况进行了分析比较，并指出采用风扇挂在压圈上的结构，可减少断条事故的发生。

In this year's Beijing International Machine Tool Show (2005 CMIT), the Tianjin-or gold at the full range of products, including air preparation components: regulator, filter, lubrication, drainage, pressure gauges; valve categories: Electromagnetic valve, pipe valve, pneumatic valve, mechanical valve, the valve manually, foot valve; cylinder categories: standard atmospheric pressure bars, mini round-cylinder, micro-cylinder, rotating cylinder, manipulator, welding tanks, cylinder block, a rule Cylinder, no-cylinder, guided-bars and all kinds of buffers, the appearance of refined products, a series of rich and comprehensive feature allows visitors not only praise, so that customers have a better choice.

在今年的北京国际机床展（2005CMIT）上，天津罗升展出了金器全系列产品，包括气源处理组件：调压器、过滤器、润滑器、排水器、压力表；阀类：电磁阀、管路阀、气动阀、机械阀、手动阀、脚踏阀；缸类：标准气压杠、迷你圆型缸、微型缸、旋转缸、机械手、焊接缸、阻挡缸、治具缸、无杆缸、导杆杠及各种缓冲器等，产品精致的外观、丰富的系列、全面的功能让参观者赞叹不止，让客户有了更好的选择。

In the procedure of gymnastics athletes' U.C., the functions of the conditional ability performing now are more and more important in the competitive abilities of the floor exercises; besides the sport technique and conditional ability, one should pay attention to the figure in the pommel horse; the importance of the conditional ability is far above the sport technique , and the requirements of the figure are also high in the rings; the characters of competitive abilities of the vaulting horse are similar to those of the floor exercise, in which conditional ability plays a very important role; the requirements of the sport technique in the parallel bars are above those of the conditional ability; the requires of sport technique in the horizontal bar are strikely above those of other individual events, and the psychological ability is above the conditional ability; uneven bars contains much techniques, which means, sport technique is above the conditional ability; balance beam also contains much techniques and requires the least in the conditional ability in women's events, but this individual event demands psychological ability badly. Therefore one should emphasize on the cultivation the psychological ability when U.C. is applied to the balance beam.

体操各单项在实施非衡结构补偿过程中，自由体操各竞技能力中运动素质发挥着越来越大的作用；鞍马注重运动技术和素质外，还应注意形态要求；吊环中运动素质的重要程度远大于运动技术，对形态的要求也很高；跳马与自由体操的竞技能力特点类似，运动素质的作用非常大；双杠对运动技术的要求高于运动素质；单杠对运动技术的要求明显高于其它诸项要素，对心理能力的要求甚至略高于运动素质；高低杠技术性很强，对运动技术的要求高于运动素质；平衡木技术性较强，对运动素质的要求不如女子其他各项高，但对心理能力的要求非常高，在实施非衡补偿时，应注意对心理能力的培养。

Under the precondition of ensuring resist-shear and ductility of reinforced concrete structure, it is easy for allocating steel bars and convenient for construction to use the new type of steel bars substitute the middle tie steel bar or the staggered hoop reinforcement.

本文研究了一种新的约束配筋形式，在保证钢筋混凝土结构抗剪性能与延性的前提下，替代柱中的中间拉筋或交错箍筋，配筋简单，施工方便。

The main structure of Caiyuanba Yangtze Bridge in Chongqing, up to date the largest-span tie bar arch bridge, is formed by two side tie bars and one middle tie bar which unite the Y-shape rigid framework and arch rid . Therefore, tie bars are one of the key components.

重庆菜园坝长江大桥是迄今为止世界上跨度最长的系杆拱桥，该桥的两根边系杆和一根中系杆将南北两岸的Y型刚构和中间的拱肋连成一个受力整体，构成该桥的主结构，因此系杆是该桥关键受力部位构件之一。

The fatigue test of CFRP bars was carried out at the different cyclic stress, choose the 70% ultimate tensile stress of CFRP bar as the maximum cyclic stress, under the cyclic ratios of R=0.5 （the minimum-to-maximum stress ratio） and R=0 and the fatigue behavior of CFRP bars was investigated.

进行了不同循环应力下CFRP筋的常温疲劳试验，选取CFRP筋70％的极限拉伸应力作为最大循环应力，在R=0.5（最小循环应力与最大循环应力的比）和R=0的应力率下，测量了CFRP筋的疲劳寿命曲线，研究了CFRP筋的疲劳性能。

World War II: Battle of Saipan - Americans take Saipan.

1944年的今天，美国在塞班战役中拿下塞班岛。

When the scorner, the rejecter of truth, has become presumptuous; when the routine of work in the various money-making lines is carried on without regard to principle; when the student is eagerly seeking knowledge of everything but his Bible, Christ comes as a thief.{DA 635.3

当讥诮和拒绝真理的人，到了任意妄为时，当追求财利者罔顾按道义经营谋利时，当学人正在兢兢业业地研究各种知识，而单把圣经丢在一边时，基督要像贼一样来临。