加载试验

• In this paper , the study was based on the emulational experience system of the tractor - implement . the emulational control system was composed of three parts : master pc monitor system , transmission and throttle control subsystem , engine load simulated control subsystem . using the system , many studies and experiments could be carried out on the implement units
  本文的研究是在拖拉机作业机组仿真试验系统平台上进行，仿真系统的控制系统由上位机监控系统、发动机及换挡控制系统、发动机负荷模拟加载控制系统等三大部分组成，利用本控制系统能对机组进行各种加载试验研究。
• We designed five walls for simulate both sides of the top floor . proceeded to add unilateral horizontal static loading experiment to 4 pieces of prestressed small - sized concrete hollow block masonry models and 1 piece of normal concrete hollow block masonry model . crack - resistance behaviors were analyzed , and we have proceeded prestressing loss survey for 25 days , and discussed the reasons of prestressing loss
  模拟房屋顶层两端单元设计试验模型，进行了4片预应力砌块砌体墙和1片对比普通墙体水平单调静力加载试验，并且进行了25天的预应力损失观测，探讨了预应力损失和加载过程中预应力筋应力的变化等问题，分析了预应力砌体的抗裂性能。
• The paper carried out an experiment upon ultimate bearing capacities of the seven pieces of reinforced concrete beams strengthened by cfrp sheets . on the base of the method of three - dimensional virtual laminated element brought forward by professor xu xing , this paper proposes further the method of element block damage analysis and analyzes those experimental beams by my own programs . the comparison between the calculating and experimental results shows that they have a good agreement
  本文对七组采用不同cfrp粘贴方式的钢筋混凝土梁进行了破坏加载试验研究，并在徐兴教授提出的三维虚拟层合单元思想的基础上，进一步提出分块破坏分析方法，通过自编的计算程序对这些cfrp加固试验梁的极限承载力进行了三维非线性有限元分析，承载力的实测与计算结果比较表明，二者符合得令人满意。
• Based on behavior of joint core under cyclic reversal load , according to actual measurement load - displacement hysteresis loops , slip of longitudinal reinforcement passing through joint and shear deformation of joint in a serial of beam - column subassemblage tests , the typical slip hysteresis model of longitudinal reinforcement passing through joint and typical shear deformation hysteresis model of joint are proposed in this paper
  本文以节点的受力特性及规律为基础，基于若干梁柱组合体低周交变加载试验的实测节点恢复力滞回曲线以及从中分离出来的贯穿节点的梁筋滑移变形结果、节点剪切变形结果，分析总结得到有一定代表性的梁端剪力与贯穿节点梁筋滑移之间和梁端剪力与节点剪切变形之间的滞回关系模型。
• This paper mainly studied the changing material regularity and the research of bearing capacity on damaged room slabs , steel corrosion is the based reason that caused structural damage and bearing capacity fall . so the paper carried out the bearing capacity experiment of six pieces of room slabs . the paper studied the changing property characteristic and the affecting degree of damage to bearing capacity
  本文通过工程实例调查与试验研究相结合的方法，研究了钢筋锈蚀后性能变化规律；对破坏程度各不相同的六块屋面板加载试验，探求了构件破损后工作性能、变化特征和破损后对承载力的影响。
• Based on the investigation of research and application of concrete - filled tubular column to steel beam connections in china and abroad , according to engineering practice , six full - size specimens that the joints composed by concrete - filled square tubular column and i - shape steel beam divided as a and b groups have been tested under cyclic - loading in this paper . the three specimens of group a are connected by bolt - weld and the group b connected by welded at the end of beams
  本文在总结分析了国内外关于钢管混凝土框架节点研究与应用现状的基础上，以实际工程为背景，在国内首次进行了a 、 b两组共6个足尺节点试件的低周反复循环加载试验，其中a组三个试件梁端采用栓-焊连接； b组三个试件梁端为全对接焊接。
• Speaking in detail , for every specimen , we study the for of the cracking load , yield load and failure load ; the ductility property ; the property of hystersis curvs and keleton - frame curves ; the degree of initial stiffess and stiffness degadation . secondly , the two different suo nlgn use ltslaences ， wmcn are ootll shear wsll sttllctlllt ， are tab6n as instanop the shear ’ wsi is oin 卜 hot8qopo inww 田 l ！ s ot 以 j 口 willo 地 劝 忧 地 epo o odod sqo8qopt solidndls ofr c l w means or0 卜 0nm elemem ana 吹 lsptwtodd ’ mlmwe m 加 柏 mm are d an 邑 以 胡 a ann compcomparen in severm es 叮 wsllcll as scu 一 阳 i 朗 l p 一 ndnd mdede so ess d laterm seimic e anu so on ’ inatty ， tiep 训 颁 oility of hollow shear wal of rc in d suo ra use reslaences s ant l
  首先研究在低周反复水平加载试验下试验对象的强度、变形和能量的特性：开裂荷载、屈服荷载、破坏荷载；各试件的滞回曲线和骨架曲线；延性情况；初始刚度和刚度退化等参数：进而用satwe有限元程序分析对比了某一小高层剪力墙结构在采用空心剪力墙板和采用普通实心剪力墙作为墙体的结构受力异同点，在质量、主振型、刚度、水平地震效应等方面做了对比。
• In this thesis , a series of single and double - direction - load tests are carried on the single plate framing connection between truss - steel beam and concrete wall often used in tall - building . by single - direction - load tests , the flexure capacity of the joints in use of different design is researched in particular , the effect of bolt design on the flexure capability is analysised ; based on the cyclic loading experiment , such characteristics of the anchors are analyzed - . bearing capacity . rigidity , ductility , hystersity capacity , energy dissipation and failure phenomena
  通过单向静力试验，研究了单剪板连接的不同设计对钢架梁的约束能力的变化，重点讨论了螺栓的设计对约束能力的影响；通过周期性反复加载试验研究了不同设计的单剪板连接预埋件的抗震性能的不同，重点分析了结构的承载能力、刚度、延性、滞回性能、耗能能力及其破坏特征等。
• For the convenience of study , a simulation control system of tractor - implement combination was designed , which had the characteristics of reasonable structure , simple and practical . the control system was composed of three parts : master pc monitor system , transmission and throttle control subsystem , engine load simulated control subsystem . using the system could take many studies on implement units
  为研究方便，本文首先设计了结构合理，简单实用的拖拉机作业机组仿真试验控制系统，控制系统由上位机监控系统、发动机及换挡控制系统、发动机负荷模拟加载控制系统等三大部分组成，利用本控制系统能对机组进行各种加载试验研究。