| 1. | Standard test methods for cyclic reversed load test for shear resistance of walls for buildings 建筑物墙体耐剪切性的循环 |
| 2. | The studies of the anchorage performances of steel column bases under uniaxial reversed loads are carried out through tests and theory 为此本文进行了单向重复加载下的钢筋混凝土承台-钢柱脚试件锚固性能试验研究和理论分析。 |
| 3. | It is designed a contrast experiment on two sets of two - span and two - story rc frames under low cycle reversed loading , one frame has construction joints while the other has not 摘要对一组留置施工缝,一组未留置施工缝的两组单榀两层两跨框架结构进行了低周反复荷载作用下的试验研究,对两组框架的滞回性能、延性、刚度退化等性能作了深入的分析。 |
| 4. | Secondly , the specific configuration and functioning principle of shape memory alloys re - centring damper is introduced . the mechanical property of damper under static reversed loading is analyzed by program , and the hysteretic curve is obtained 其次,简述了形状记忆合金自复位阻尼器的构造形式和工作原理,编制计算机程序并对阻尼器在静力循环荷载下的力学性能进行了分析,得出其滞回曲线。 |
| 5. | In this paper , the mechanics behavior of the src column and steel beam joints is studied . the tests of the src column and steel beam joints under the cyclic reversed loading are carried out , which are analyzed by the ansys 3d nonlinear finite element program 本文主要研究劲性柱?钢梁节点的受力性能,对劲性柱?钢梁节点进行低周反复加载试验研究,同时用ansys三维有限元非线性分析软件进行计算机模拟。 |
| 6. | According to the cyclic reverse loading test of two brick masonry walls without reinforement and four pieces of brick masonry walls reinforced with afrp , the cracking load , the ultimate load , the ductility factor and the rate of crack propagation were compared each other 本文共进行了六片砖砌体的抗震性能试验研究,对比了无筋砖砌体和芳纶纤维加固后砖砌体的开裂荷载、极限荷载、延性以及裂缝开展情况的异同。 |
| 7. | One specimen is fitted up with anti - punching shear bars and the other is not . 2 ) the elastic - plastic analyses of two experimental elements under uniaxial reversed loads are made by ansys ( a finite element analysis program ) and the results of analysis match the experimental results very well 2 .进行了钢筋混凝土承台-钢柱脚试件的弹塑性有限元建模,用ansys有限元程序对其进行了全过程弹塑性分析,计算结果与实测结果吻合较好。 |
| 8. | The low - cyclic reversed loading tests of two unbonded partially prestressed concrete frames with different ppr have been carried out . the aseismic behaviors are analyzed and compared , with emphases on failure mechanism , hysteretic property , displacement ductility , energy - dissipation capacity as well as stiffness degeneration , etc . the results show , when designed rationally , the unbonded partially prestressed concrete frames can form beam hinge energy - dissipation machine and total destroy mechanism 通过两榀不同预应力度的无粘结部分预应力混凝土扁梁框架结构的低周反复荷载试验,分析研究了无粘结部分预应力混凝土扁梁框架结构的破坏形态、滞回特性、位移延性、耗能能力、承载力及刚度退化等抗震性能。 |
| 9. | Based on the previous research results , the test study on quasi - static seismic resistance behavior of the monolayer and single - stride prestressed concrete flat - beam frame structures are mostly carried through . the low - cyclic reversed loading test of two frames with the same size and the same intension grade are conducted . one frame is made of ordinary concrete , the other is made of steel - fiber concrete 研究结果表明:将钢纤维掺入混凝土中用于框架结构,能使预应力扁梁框架具有足够好的抗震性能,只要设计得当,可以形成梁铰耗能机构及整体破坏机制,且具有较好的耗能及抵抗强震的能力。 |
| 10. | The idiographic contents are listed as follows : 1 ) through the tests of the anchorage performances of steel column bases of 1 / 5 scale under uniaxial reversed loads , the tested ultimate loads , ductility , stiffness and reasonable modes of reinforcement design of two specimens are presented in this thesis 本文主要工作: 1 .进行了两个1 / 5缩尺的钢筋混凝土承台-钢柱脚试件单向重复加载下的锚固性能试验研究,对试件的锚固承载力、延性、刚度以及合理配筋型式等进行了研究。 |