【摘要】：探討了震害遺址保護(hù)性加固的設(shè)計(jì)原則�？紤]到震害遺址的功能應(yīng)能反映震害狀況,并可以供科考參觀,建議加固原則為要盡量避免影響震害現(xiàn)象,保持遺址結(jié)構(gòu)的穩(wěn)定承重和在常遇地震下不倒塌。保護(hù)性加固工程的安全冗余度可略低于常規(guī)結(jié)構(gòu)。加固設(shè)計(jì)應(yīng)合理估算原結(jié)構(gòu)構(gòu)件的震損程度,并以此作為加固設(shè)計(jì)的依據(jù)。接著,介紹了四川白鹿鎮(zhèn)中法友誼橋遺址的保護(hù)性加固設(shè)計(jì):通過(guò)震害調(diào)查確定結(jié)構(gòu)的基本尺寸,采用ABAQUS有限元實(shí)體建模進(jìn)行了遺址結(jié)構(gòu)的受力分析,結(jié)合遺址結(jié)構(gòu)特點(diǎn)制定了加固方案。分析表明,加固方案顯著加強(qiáng)了拱橋遺址的抗震承載能力,能夠滿(mǎn)足震害遺址的保護(hù)性加固要求。
[Abstract]:The design principle of protective reinforcement of earthquake damaged sites is discussed. Considering that the function of the earthquake damage site should reflect the earthquake damage condition and can be visited by scientific examination, it is suggested that the reinforcement principle should avoid the earthquake damage phenomenon as far as possible, keep the stable load bearing of the site structure and not collapse under the common earthquake. The safety redundancy of protective reinforcement project can be slightly lower than that of conventional structure. The seismic damage degree of the original structural members should be reasonably estimated in the reinforcement design, which should be used as the basis for the reinforcement design. Then, the protective reinforcement design of Sino-French Friendship Bridge site in Bailu Town, Sichuan Province is introduced. The basic size of the structure is determined by earthquake damage investigation, and the force analysis of the site structure is carried out by using ABAQUS finite element entity modeling. According to the structural characteristics of the site, the reinforcement scheme is worked out. The analysis shows that the reinforcement scheme significantly strengthens the seismic bearing capacity of arch bridge sites and can meet the protective reinforcement requirements of earthquake damaged sites.
【作者單位】： 中國(guó)地震局工程力學(xué)研究所 中國(guó)地震局地震工程與工程振動(dòng)重點(diǎn)實(shí)驗(yàn)室;
【基金】：中國(guó)地震局工程力學(xué)研究所基本科研業(yè)務(wù)費(fèi)專(zhuān)項(xiàng)(2011C03) 國(guó)際科技合作計(jì)劃項(xiàng)目(2010DFA71240) 國(guó)家自然科學(xué)基金青年基金項(xiàng)目(51108433) 黑龍江省博士后資助項(xiàng)目(LBH-Z11001)
【分類(lèi)號(hào)】：K878;TU746.3

【二級(jí)參考文獻(xiàn)】

相關(guān)期刊論文 前2條

1 姜乃力,李剛,鄭曉非,張志全;日本城市防災(zāi)減災(zāi)的經(jīng)驗(yàn)與啟示——以城市防災(zāi)公園建設(shè)為例[J];世界地理研究;2004年04期

2 楊文斌,韓世文,張敬軍,宋偉;地震應(yīng)急避難場(chǎng)所的規(guī)劃建設(shè)與城市防災(zāi)[J];自然災(zāi)害學(xué)報(bào);2004年01期

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