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2003年01 期
| 標(biāo)題 |
| 預(yù)彎復(fù)合粱的時(shí)效分析( 卷) |
| 英文標(biāo)題 |
| * |
| 摘要 |
| 采用按齡期調(diào)整的有效模量法并結(jié)合有限元步進(jìn)法，探討預(yù)彎復(fù)合粱在長(zhǎng)期荷載作用下的應(yīng)力和應(yīng)變計(jì)算方法。采用上述方法，可以很好地考慮預(yù)彎復(fù)合粱中混凝土的收縮、徐變及鋼材的松弛等時(shí)效因素的長(zhǎng)期影響，計(jì)算出從施工到成橋以及成橋后任意時(shí)刻截面上的應(yīng)力和應(yīng)變狀態(tài)。 |
| 作者 |
| 新聞作者:石現(xiàn)峰 王軍文 |
| 關(guān)鍵字 |
