The formula of ultimate flexural capacity is given according to plastic principle 通过塑性铰理论,推导了加固后梁的承载力计算公式。
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Also , the design ultimate strain of cfrp is discussed and a simple design method is brought forward on the basis of experiment results 本文在试验的基础上给出了碳纤维的设计极限应变并提出了加固后梁正截面承载力的简化计算方法。
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Also , a simple design method of one way strengthened reinforce concrete beams is brought forward on the basis of experiment results and theory analyses 本文在试验研究理论分析的基础上,提出了一种加固方式加固后梁的正截面极限承载能力的简化计算方法。
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4 . as a result of the maturity of the concrete and the application of prestress after long - time maintenance , effects of concrete creep and long - term loss of prestress can be minimized ( 4 )节段养护时间长,加载龄期晚,成桥后梁体徐变上拱和预应力长期损失小。
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In order to reach the high precision , the construction module “ construction of beam after pier ” , with a disadvantage of long construction term , has been adopted in many foreign projects for decades 为适应高精度要求,国外同类工程多年来一直沿用“先墩后梁”的模式组织建设,缺点是建设周期太长。
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The relation between the strain , stress , stiffness of the beams and the load is described . the author also analyzes and describes the factors that affect the resistance capacity of the strengthened beams 对于梁在加固后加载时梁的应变、应力、刚度与荷载的关系;影响加固后梁的承载力的因数进行了分析和介绍。
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The results of experimental program clearly indicate that significant strengthening of reinforced concrete beams can be realized by bonding cfrp to the tension face of the beaxn , meanwhile the ductibility of beams decreased 观察了加固后梁的破坏形式,对破坏形式进行了分析。试验结果显示:外贴碳纤维对梁的正截面抗弯能力有明显提高,加固梁的刚度增加而延性降低。
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The experiment results show that the flexural strength , ductility , stiffness and cracking behavior of rc beams can be improved . in a word , the reinforced concrete beams and outside bonding steel mash and spraying high - strength mortar can be guaranteed to work in harmony 试验结果表明,钢丝网外喷高强砂浆加固后梁的正截面承载能力提高,延性得以提高,裂缝发展明显得到抑制,抗弯刚度有所增强。
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Sxm11p straight line beveling machine is the latest develop new style of beveling machine from suntech . it specialty adopt beveling wheel , it can whole progress and can lifting intergrally , it compare to traditional front beam or back beam s lifting , it have more pithiness structure . more better stability , higher grinding precision s characteristic . at present this technique was apply country patent . this machine have high automatizationg , set the grinding paramenter into the interface of the human - machine , the machine can automatic to adjust , realize the glass fine grinding , polishing can be automatic processing in one time Sxm11p直线斜边机是亿海公司最新开发研制的新型直线斜边机,它的特点是采用了斜边磨头,即可整体进给,又可整体升降的新技术,与传统的前梁或后梁升降技术相比,具有结构更简单,稳定性更好,磨削精度更高的特点,目前该技术已申请国家专利,该机自动化程度高,只要在人机界面上设定有关的磨削参数,机器便可自动进行调整,实现对玻璃精磨抛光等的一次性自动加工。