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標(biāo)題 |
高速鐵路先、后張預(yù)應(yīng)力混凝土簡(jiǎn)支箱梁力學(xué)效應(yīng)對(duì)比分析(25 卷) |
英文標(biāo)題 |
Mechanics Effect Analysis of Pre-tensioned and Post-tensioned Pre-stressed Concrete Simply-supported Box Beams on High-speed Railway |
摘要 |
通過有限元分析技術(shù),以24 m跨度先、后張梁為分析對(duì)象,使用SAP93靜、動(dòng)力通用分析軟件建立8節(jié)點(diǎn)塊體元力學(xué)模型,對(duì)先張混凝土箱梁進(jìn)行應(yīng)力、剛度、剪力滯后、畸變、翹曲、支座脫空效應(yīng)、局部效應(yīng)等力學(xué)性能分析,并重點(diǎn)與后張梁的力學(xué)性能進(jìn)行對(duì)比。結(jié)果表明:先張梁與后張 |
作者 |
新聞作者:盛興旺 王榮華 |
關(guān)鍵字 |