本文選題：自錨式懸索橋　切入點(diǎn)：吊索張拉　出處：《重慶交通大學(xué)學(xué)報(bào)(自然科學(xué)版)》2014年01期 　論文類(lèi)型：期刊論文

【摘要】：以滿(mǎn)足自錨式懸索橋目標(biāo)成橋狀態(tài)為前提,針對(duì)如何確定自錨式懸索橋體系轉(zhuǎn)換過(guò)程中吊索張拉力及張拉程序的問(wèn)題,提出了自錨式懸索橋體系轉(zhuǎn)換過(guò)程的吊索張拉計(jì)算方法:調(diào)整吊索無(wú)應(yīng)力長(zhǎng)度的降溫法。由于倒退分析法和傳統(tǒng)無(wú)應(yīng)力狀態(tài)控制法在計(jì)算自錨式懸索橋體系轉(zhuǎn)換過(guò)程中存在缺陷,在傳統(tǒng)無(wú)應(yīng)力狀態(tài)控制法的基礎(chǔ)上,提出了調(diào)整吊索無(wú)應(yīng)力長(zhǎng)度的降溫法。該方法可用于計(jì)算自錨式懸索橋且計(jì)算方法簡(jiǎn)單,計(jì)算精度高。
[Abstract]:On the premise of satisfying the target state of self-anchored suspension bridge, how to determine the tension of the sling and the stretching program during the system transformation of the self-anchored suspension bridge is discussed. In this paper, the method of sling tension calculation in the process of system transformation of self-anchored suspension bridge is put forward: the cooling method of adjusting the length of sling without stress. The system conversion of self-anchored suspension bridge is calculated by retrogressive analysis method and traditional no-stress state control method. There are defects in the process, Based on the traditional stress-free state control method, a cooling method for adjusting the unstressed length of sling is proposed, which can be used to calculate self-anchored suspension bridge with simple calculation method and high accuracy.
【作者單位】： 重慶交通大學(xué)土木建筑學(xué)院;
【基金】：交通運(yùn)輸行業(yè)聯(lián)合科技攻關(guān)項(xiàng)目(2010-353-341-230)
【分類(lèi)號(hào)】：U448.25

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本文編號(hào)：1575402