Standard test methods for cyclic reversed load test for shear resistance of walls for buildings 建筑物墻體耐剪切性的循環(huán)
The studies of the anchorage performances of steel column bases under uniaxial reversed loads are carried out through tests and theory 為此本文進(jìn)行了單向重復(fù)加載下的鋼筋混凝土承臺-鋼柱腳試件錨固性能試驗(yàn)研究和理論分析。
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 摘要對一組留置施工縫,一組未留置施工縫的兩組單榀兩層兩跨框架結(jié)構(gòu)進(jìn)行了低周反復(fù)荷載作用下的試驗(yàn)研究,對兩組框架的滯回性能、延性、剛度退化等性能作了深入的分析。
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,簡述了形狀記憶合金自復(fù)位阻尼器的構(gòu)造形式和工作原理,編制計(jì)算機(jī)程序并對阻尼器在靜力循環(huán)荷載下的力學(xué)性能進(jìn)行了分析,得出其滯回曲線。
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 本文主要研究勁性柱?鋼梁節(jié)點(diǎn)的受力性能,對勁性柱?鋼梁節(jié)點(diǎn)進(jìn)行低周反復(fù)加載試驗(yàn)研究,同時用ansys三維有限元非線性分析軟件進(jìn)行計(jì)算機(jī)模擬。
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 本文共進(jìn)行了六片磚砌體的抗震性能試驗(yàn)研究,對比了無筋磚砌體和芳綸纖維加固后磚砌體的開裂荷載、極限荷載、延性以及裂縫開展情況的異同。
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 .進(jìn)行了鋼筋混凝土承臺-鋼柱腳試件的彈塑性有限元建模,用ansys有限元程序?qū)ζ溥M(jìn)行了全過程彈塑性分析,計(jì)算結(jié)果與實(shí)測結(jié)果吻合較好。
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 通過兩榀不同預(yù)應(yīng)力度的無粘結(jié)部分預(yù)應(yīng)力混凝土扁梁框架結(jié)構(gòu)的低周反復(fù)荷載試驗(yàn),分析研究了無粘結(jié)部分預(yù)應(yīng)力混凝土扁梁框架結(jié)構(gòu)的破壞形態(tài)、滯回特性、位移延性、耗能能力、承載力及剛度退化等抗震性能。
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 研究結(jié)果表明:將鋼纖維摻入混凝土中用于框架結(jié)構(gòu),能使預(yù)應(yīng)力扁梁框架具有足夠好的抗震性能,只要設(shè)計(jì)得當(dāng),可以形成梁鉸耗能機(jī)構(gòu)及整體破壞機(jī)制,且具有較好的耗能及抵抗強(qiáng)震的能力。
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 .進(jìn)行了兩個1 / 5縮尺的鋼筋混凝土承臺-鋼柱腳試件單向重復(fù)加載下的錨固性能試驗(yàn)研究,對試件的錨固承載力、延性、剛度以及合理配筋型式等進(jìn)行了研究。