資源描述:
《軟土地下工程與深基坑研究進(jìn)展_黃茂松》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、第45卷第6期土木工程學(xué)報(bào)Vol.45No.62012年6月CHINACIVILENGINEERINGJOURNALJun.2012軟土地下工程與深基坑研究進(jìn)展1,234黃茂松王衛(wèi)東鄭剛(1.同濟(jì)大學(xué),上海200092;2.同濟(jì)大學(xué)巖土及地下工程教育部重點(diǎn)實(shí)驗(yàn)室,上海200092;3.華東建筑設(shè)計(jì)研究院有限公司,上海200002;4.天津大學(xué),天津300072)摘要:針對(duì)當(dāng)前國(guó)內(nèi)外軟土地下工程研究現(xiàn)狀進(jìn)行系統(tǒng)概括和評(píng)述,重點(diǎn)探討深基坑和盾構(gòu)隧道兩種典型地下工程涉及的關(guān)鍵土工問(wèn)題。其一是復(fù)雜地質(zhì)及環(huán)境
2、條件下軟土基坑工程的分析方法與新技術(shù),包括基坑圍護(hù)結(jié)構(gòu)受力分析、基坑抗隆起穩(wěn)定性分析、滲流對(duì)基坑穩(wěn)定性的影響、深基坑工程中的冗余度問(wèn)題、軟土基坑工程的新技術(shù);其二是軟土隧道工程的穩(wěn)定與變形問(wèn)題,包括隧道開(kāi)挖面穩(wěn)定性分析、滲流對(duì)隧道開(kāi)挖面穩(wěn)定性的影響、隧道縱向不均勻沉降與長(zhǎng)期沉降、隧道地震響應(yīng)分析與動(dòng)力模型試驗(yàn);最后是軟土地下工程施工的環(huán)境土工效應(yīng),包括基坑開(kāi)挖引起的土體變形、隧道開(kāi)挖引起的土體變形、地下工程開(kāi)挖對(duì)周?chē)h(huán)境的影響。關(guān)鍵詞:軟土;地下工程;深基坑;隧道;研究現(xiàn)狀中圖分類號(hào):TU447文獻(xiàn)
3、標(biāo)識(shí)碼:A文章編號(hào):1000-131X(2012)06-0146-16Areviewofrecentadvancesintheundergroundengineeringanddeepexcavationsinsoftsoils1,234HuangMaosongWangWeidongZhengGang(1.TongjiUniversity,Shanghai200092,China;2.KeyLaboratoryofGeotechnicalandUndergroundEngineeringoftheM
4、inistryofEducation,TongjiUniversity,Shanghai200092,China;3.EastChinaArchitecturalDesign&ResearchInstituteCo.,Ltd.,Shanghai200002,China;4.TianjinUniversity,Tianjin300072,China)Abstract:Thestatusoftheresearchonundergroundengineeringinsoftsoilsarereviewed
5、.Threetypesofkeyissuesindeepexcavationsandshieldtunnellingarediscussed.Thefirstoneisconcernedwiththenewmethodsandtechnilogiesfordeepexcavationsinsoftsoilsundercomplicatedgeologicalandenvironmentalconditions,suchasthestressanalysisofretainingstructuresf
6、orfoundationpits,basalstabilityanalysisofexcavations,theinfluenceofseepageonthestabilityofdeepexcavation,theredundancyofdeepexcavations,andthenewtechniqueofexcavationsinsoftsoils.Thesecondonefocusesonthestabilityanddeformationanalysisoftunnelinsoftsoil
7、s,includingthestabilityanalysisoftunnelface,theinfluenceofseepageonthestability,thelongitudinaldifferentialsettlementandthelong-termsettelmentoftunnel,theoreticalanalysisandmodeltestoftheseismicresponseoftunnel.Thelastoneinvolvesthegrounddeformationind
8、ucedbydeepexcavationandtunneling,andtheenvironmentalinfluencesfromundergroundconstruction.Keywords:softsoil;undergroundengineering;deepexcavation;tunnel;currentresearchesE-mail:mshuang@tongji.edu.cn大量建設(shè)。近年來(lái),越江(跨海)隧道呈現(xiàn)大直徑、長(zhǎng)前言距離等特點(diǎn),如上海長(zhǎng)江隧