本文選題：大跨度空間結(jié)構(gòu) + 溫度應(yīng)力　； 參考：《結(jié)構(gòu)工程師》2014年06期

【摘要】：大跨度空間結(jié)構(gòu)往往施工工期較長(zhǎng),這就導(dǎo)致結(jié)構(gòu)施工期間的溫度變化幅度較大。一般北方地區(qū)年最高氣溫與最低氣溫往往相差超過40°C,考慮太陽(yáng)輻射影響后,結(jié)構(gòu)表面溫度更可相差60°C~100°C,加之空間結(jié)構(gòu)本身往往屬于高次超靜定結(jié)構(gòu),致使結(jié)構(gòu)建設(shè)過程中極易產(chǎn)生較大的施工內(nèi)力,出現(xiàn)重大安全隱患。有鑒于此,對(duì)新型大跨度空間結(jié)構(gòu)的施工拼裝過程進(jìn)行了數(shù)值模擬研究,探討了不同溫度模型對(duì)結(jié)構(gòu)拼裝所產(chǎn)生的影響(溫度應(yīng)力方面),最后給出了較優(yōu)的施工拼裝溫度計(jì)算模型。
[Abstract]:Long span space structures tend to have a long construction period, which results in a large variation of temperature during construction. In general, the difference between the annual maximum temperature and the lowest temperature in the northern region is more than 40 擄C. considering the influence of solar radiation, the surface temperature of the structure can be more than 60 擄C ~ (100 擄C), and the spatial structure itself is often a high-order statically indeterminate structure. In the process of structure construction, it is easy to produce a large internal force of construction, and there are major hidden dangers of safety. In view of this, the construction and assembly process of new large-span spatial structures is numerically simulated. This paper discusses the influence of different temperature models on the structure assembly (temperature stress), and finally gives a better calculation model of the construction assembly temperature.
【作者單位】： 南昌工程學(xué)院土木與建筑工程學(xué)院;
【基金】：江西省科技支撐(2013BBG70099) 江西省青年基金(20144BAB2160014) 江西省教改課題(JXJG-12-18-18)
【分類號(hào)】：TU745.2

【參考文獻(xiàn)】

相關(guān)期刊論文 前4條

1 劉佳坤;肖建春;馬克儉;;太陽(yáng)輻射對(duì)大跨度空間結(jié)構(gòu)影響的研究現(xiàn)狀[J];貴州工業(yè)大學(xué)學(xué)報(bào)(自然科學(xué)版);2008年04期

2 ，

本文編號(hào)：1787433