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簡介:分類號(hào)密級(jí)單位代碼10300為親存唐二紀(jì)多學(xué)碩士學(xué)位論文S建筑科學(xué)研究院集團(tuán)資本結(jié)構(gòu)優(yōu)化研究RESEARCHONTHEOPTIMIZATIONOFCAPITALSTRUCTUREOFSINSTITUTEOFBUILDINGRESEARCH合作導(dǎo)師垂盤仨直級(jí)全I(xiàn)土瘟專業(yè)名稱金I土亟迦△魚豎2研究方向企些財(cái)盔篁理堡I企量應(yīng)用所在學(xué)院一經(jīng)進(jìn)笪理堂暄二。一七年六月㈣3舢0洲7川3洲3洲3川3ⅢY目錄摘要IIIABSTRACT11~,第一章緒論111研究背景和意義112國內(nèi)外研究現(xiàn)狀1121國外研究現(xiàn)狀1122國內(nèi)研究現(xiàn)狀213研究方法和基本思路41T3。1研究方法4132基本思路4、14本文創(chuàng)新點(diǎn)5第二章相關(guān)理論721資本結(jié)構(gòu)的相關(guān)理論7211資本結(jié)構(gòu)的定義7212資本結(jié)構(gòu)理論發(fā)展歷程722資本結(jié)構(gòu)優(yōu)化理論10221利潤最大化10222股東財(cái)富最大化10223企業(yè)價(jià)值最大化1123資本結(jié)構(gòu)優(yōu)化方法1L第三章S公司概況及資本結(jié)構(gòu)現(xiàn)狀1431建筑設(shè)計(jì)行業(yè)概況14311行業(yè)介紹14312建筑設(shè)計(jì)行業(yè)資本結(jié)構(gòu)現(xiàn)狀1432S公司概況1533S公司的資本結(jié)構(gòu)現(xiàn)狀16331流動(dòng)資產(chǎn)現(xiàn)狀17332權(quán)益比率現(xiàn)狀18333負(fù)債結(jié)構(gòu)現(xiàn)狀19334股本結(jié)構(gòu)現(xiàn)狀20335財(cái)務(wù)杠桿現(xiàn)狀20第四章S公司資本結(jié)構(gòu)存在的問題及成因2241S公司與同行業(yè)企業(yè)比較22412同行業(yè)公司選取標(biāo)準(zhǔn)22
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簡介:分類號(hào)UDC密級(jí)公毋暑哦≯產(chǎn)篝碩士研究生學(xué)位論文BH國有建筑公司內(nèi)部治理結(jié)構(gòu)優(yōu)化研究申請(qǐng)人學(xué)號(hào)培養(yǎng)單位學(xué)科專業(yè)研究方向指導(dǎo)教師完成日期楊海龍2131566經(jīng)濟(jì)與工商管理學(xué)院工商管理企業(yè)戰(zhàn)略與決策劉文勇教授2015年9月30日黑龍江大學(xué)碩士學(xué)位論文ABSTRACTUNDERTHECONDITIONOFSOCIALISTMARKETECONOMYTHESTATEOWNEDENTERPRISEISTHEIMPORTANTPOWEROFTHENATIONALECONOMYWITHTHEGREATECONOMICSITUATION,THESTATEOWNEDCONSTRUCTIONENTERPRISESHAVEALSOGAINEDRAPIDDEVELOPMENTBUTNOWTHEDOMESTICCONSTRUCTIONINDUSTRYCOMPETITIONISINCREASINGLYFIERCELYTHESTATEOWNEDCONSTRUCTIONENTERPRISESAREALSOFACINGSTRONGCOMPETITIVEPRESSUREANDTHEPRESSUREOFREFORM,BHSTATEOWNEDCONSTRUCTIONCO。,LTD。ISONEOFTHEM,ITSOPERATINGSTATUSISJUSTLIKENOTONLYALOTOFTHESAMETYPEOFENTERPRISES,BUTALSOTHEMAJORITYOFSTATEOWNEDENTERPRISESINTHEINTERNALGOVERNANCE,THEDEVELOPMENTSTATUSANDTHEPROBLEMSEXPOSEDINTHEPROCESSOFINTERNALGOVERNANCEISVERYREPRESENTATIVETHROUGHDEEPLYANALYSISOFBHCOLTD,THISPAPERFINDSOUTTHEINTERNALGOVERNANCESTRUCTUREWHICHCANBREAKTHROUGHTHEBOTTLENECKOFITSFUTUREDEVELOPMENT,INCLUDINGTHEUNREASONABLEOWNERSHIPSTRUCTURE,THEDUALLEADERSHIPSYSTEM,THEENTERPRISECULTURECONSTRUCTIONANDSOONTHESEPROBLEMSARCTHEREASONSOFTHEOBJECTIVESYSTEMANDTHEREASONOFTHESUBJECTIVECONSCIOUSNESSONTHECAUSESOFTHEPROBLEMONTHEBASISOFANALYSIS,UNDERTHEEXISTINGCONDITIONS,COMBINEDWITHNATUREOFTHEENTERPRISEANDTHELEADERSHIPSYSTEM,WEPUTFORWARDASERIESOFINCLUDINGTHEOPTIMIZATIONOFTHESTRUCTUREOFPROPERTYRIGHT,STRAIGHTENOUTTHETHREERELATIONS,STRENGTHENINGTHEINCENTIVECONSTRAINTMECHANISMSUCHASFEASIBLEWITHINASHORTPERIODOFTIMEANDWITHTHEEFFECTIVENESSOFTHEREFORMSCHEME,ANDTRIESTOTAKEINBHCONSTRUCTIONCOMPANYTOFINDAWAYFORTHEMODERNIZATIONOFENTERPRISEDEVELOPMENTKEYWORDSSTATEOWNEDCOMPANY;INTERNALGOVERNANCE;OWNERSHIPSTRUCTURE;CORPORATECULTURE
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簡介:新疆大學(xué)碩士學(xué)位論文高層建筑不規(guī)則結(jié)構(gòu)扭轉(zhuǎn)剛度對(duì)位移比限值影響的研究姓名馬良申請(qǐng)學(xué)位級(jí)別碩士專業(yè)結(jié)構(gòu)工程指導(dǎo)教師楊慶麗徐虎20060610新疆大掌建筑工程掌院碩士學(xué)位論文ABSTRACTTHEREAREMANYFACTORSTHATMADEMODERNHIGHBUILDINGSGRAPHICLAYOUTBECOMEINCREASINGLYCOMPLEXANDIRREGULARTHOSEFACTORSINCLUDINGTHERAISINGOFCHINAECONOMICLEVEL,PEOPLESAESTHETICCAPACITYTOBUILDINGALREADYBECOMEMORESTRICTTHANBEFOREANDTHEEXTREMELYFIERCEMARKETCOMPETITIONINCONSTRUCTIONBUSINESSTHEREFORE,INHIGH‘RISEBUILDINGSDESIGN,HOWTEDUCEEVENAVOIDALLKINDSOFHIGHRISEBUILDINGSPOTENTIALDAMAGECAUSEDBYIRREGULARHORIZONTALLAYOUTITSUPPOSESTOBECAREFULLYCONSIDEREDBYALLSTRUCTURALDESIGNERSANDENGINEERSHOWTHETORSIONEVENTUALLYLEADTHESTRUCTURETOTHESITUATIONTHATDAMAGEOCCURREDEVENCRASHTHATQUESTIONALWAYSISAHIGHLIGHTISSUEINSTRUCTUREFIELDESPECIALLYINHIGHRISEBUILDINGMRLINTONGYANFIRSTINTRODUCEDTHEDETAILOFIRREGULARGRAPHICINHISBOOK。‘THECONCEPTANDSYSTEMOFSTRUCTURE“MOREOVER,INTHATBOOKHEALSOSETSOMESPECIFICPARAMETERFORDESCRIBEDHOWASTRUCTUREWILLCRASHEDBECAUSEOFTHATWHENQUAILTYCENTREDONOTCOINCIDEWITHTHESTIFFNESSCENTRE,WILLCAUSEADISPLACEMENTATTHESAMEDIRECTIONWITHLAYERCOMPONENTSWHICHHAVEDIFFERENTSHI化THENTHESTRUCTUREWILITORSIONAROUNDFLOORSSTIFINESSCENTRE,INSOMECASE,ITWILIRESULTINGINSEVEREDAMAGEEVENLETTHEWHOLESTRUCTURECRASHEDSOINSTRUCTURALDESIGN,WEHAVETOBRINGENOUGHATTENTIONTOTHEPROBLEMOFGRAPHICLAYOUTIRREGULARITIESKEYWORDSGRAPHICIRREGULARITYDISPLACEMENTRATIO,TORSIONRESISTANCESTIFFNESS11
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上傳時(shí)間:2024-03-11
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簡介:碩士學(xué)位論文(工程碩士)高層建筑中框剪結(jié)構(gòu)設(shè)計(jì)的優(yōu)化研究THEOPTIMIZEDDESIGNONFRAMESHEARWALLSTRUCTUREINHIGHRISEBUILDING陸云飛哈爾濱工業(yè)大學(xué)2010年6月CLASSIFIEDINDEXTU97339UDC624DISSERTATIONFTHEDOCTALDEGREEINENGINEERINGTHEOPTIMIZEDDESIGNONFRAMESHEARWALLSTRUCTUREINHIGHRISEBUILDINGCIDATESUPERVISACADEMICDEGREEAPPLIEDFSPECIALITYAFFILIATIONDATEOFDEFENCEDEGREECONFERRINGINSTITUTIONLUYUNFEIPROFSHAOYONGSONGMASTEROFENGINEERINGARCHITECTURALCIVILENGINEERINGMINGTINGARCHITECTURALDESIGNCOJUNE,2010HARBININSTITUTEOFTECHNOLOGY
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簡介:全日制碩士學(xué)位論文申請(qǐng)人姓名李沙沙指導(dǎo)教師龔耀清學(xué)位類別工學(xué)碩士專業(yè)名稱結(jié)構(gòu)工程研究方向結(jié)構(gòu)設(shè)計(jì)計(jì)算理論河南理工大學(xué)土木工程學(xué)院河南理工大學(xué)土木工程學(xué)院二〇一二年一二年六月高層建筑弧形門式結(jié)構(gòu)體系的高層建筑弧形門式結(jié)構(gòu)體系的簡化分析簡化分析SIMPLIFIEDANALYSISONTHEARCHEDPTALSTRUCTURESYSTEMOFHIGHRISEBUILDINGS萬方數(shù)據(jù)中圖分類號(hào)中圖分類號(hào)TU973密級(jí)級(jí)UDC624單位代碼單位代碼10460高層建筑弧形門式結(jié)構(gòu)體系的簡化分析SIMPLIFIEDANALYSISONTHEARCHEDPTALSTRUCTURESYSTEMOFHIGHRISEBUILDINGS申請(qǐng)人姓名申請(qǐng)人姓名李沙沙李沙沙申請(qǐng)學(xué)位申請(qǐng)學(xué)位工學(xué)碩士工學(xué)碩士學(xué)科專業(yè)學(xué)科專業(yè)結(jié)構(gòu)工程結(jié)構(gòu)工程研究方向研究方向結(jié)構(gòu)設(shè)計(jì)計(jì)算理論結(jié)構(gòu)設(shè)計(jì)計(jì)算理論導(dǎo)師導(dǎo)師龔耀清龔耀清職稱職稱教授教授提交日期提交日期2012年4月答辯日期答辯日期2012年6月河南理工大學(xué)萬方數(shù)據(jù)
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上傳時(shí)間:2024-03-12
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簡介:分類號(hào)密級(jí)UDC單位代碼10078華北水利水電大學(xué)碩士學(xué)位論文超高層建筑結(jié)構(gòu)風(fēng)荷載響應(yīng)有限元分析SUPERHIGHBUILDINGSTRUCTRUEWINDLOADRESPONSEFINITEELEMENTANALYSIS研究生姓名郭強(qiáng)指導(dǎo)教師趙艷霞副教授、李曉克教授專業(yè)名稱結(jié)構(gòu)工程所在學(xué)院土木與交通學(xué)院2015年5月萬方數(shù)據(jù)獨(dú)立完成與誠信聲明本人鄭重聲明所提交的學(xué)位論文,是本人在指導(dǎo)教師的指導(dǎo)下,獨(dú)立進(jìn)行研究工作所取得的研究成果并撰寫完成的。沒有剽竊、抄襲等違反學(xué)術(shù)道德、學(xué)術(shù)規(guī)范的侵權(quán)行為。文中除已經(jīng)標(biāo)注引用的內(nèi)容外,本學(xué)位論文中不包含其他人或集體已經(jīng)發(fā)表或撰寫過的研究成果,也不包含為獲得華北水利大學(xué)或其它教育機(jī)構(gòu)的學(xué)位或證書所使用過的材料。對(duì)本文的研究做出重要貢獻(xiàn)的個(gè)人和集體,均已在文中作了明確的說明并表示了謝意。本人完全意識(shí)到本聲明的法律后果由本人承擔(dān)。學(xué)位論文作者簽名保證人(導(dǎo)師)簽名簽字日期簽字日期學(xué)位論文版權(quán)使用授權(quán)書本人完全了解華北水利大學(xué)有關(guān)保管、使用學(xué)位論文的規(guī)定。特授權(quán)華北水利大學(xué)可以將學(xué)位論文的全部或部分內(nèi)容公開和編入有關(guān)數(shù)據(jù)庫提供檢索,并采用影印、縮印或掃描等復(fù)制手段復(fù)制、保存、匯編以供查閱和借閱。同意學(xué)校向國家有關(guān)部門或機(jī)構(gòu)送交論文原件或復(fù)印件和電子文檔。(涉密的學(xué)位論文在解密后應(yīng)遵守此規(guī)定)學(xué)位論文作者簽名導(dǎo)師簽名簽字日期簽字日期萬方數(shù)據(jù)
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上傳時(shí)間:2024-03-12
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簡介:分類號(hào)TU227密級(jí)UDC7202編號(hào)201120232011河北工業(yè)大學(xué)碩士學(xué)位論文鋼結(jié)構(gòu)建筑墻體構(gòu)造方法研究鋼結(jié)構(gòu)建筑墻體構(gòu)造方法研究論文作者李世堯?qū)W生類別全日制專業(yè)學(xué)位類別工學(xué)領(lǐng)域名稱建筑技術(shù)科學(xué)指導(dǎo)教師朱賽鴻職稱教授原創(chuàng)性聲明原創(chuàng)性聲明本人鄭重聲明所呈交的學(xué)位論文,是本人在導(dǎo)師指導(dǎo)下,進(jìn)行研究工作所取得的成果。除文中已經(jīng)注明引用的內(nèi)容外,本學(xué)位論文不包含任何他人或集體已經(jīng)發(fā)表的作品內(nèi)容,也不包含本人為獲得其他學(xué)位而使用過的材料。對(duì)本論文所涉及的研究工作做出貢獻(xiàn)的其他個(gè)人或集體,均已在文中以明確方式標(biāo)明。本學(xué)位論文原創(chuàng)性聲明的法律責(zé)任由本人承擔(dān)。學(xué)位論文作者簽名日期關(guān)于學(xué)位論文版權(quán)使用授權(quán)的說明于學(xué)位論文版權(quán)使用授權(quán)的說明本人完全了解河北工業(yè)大學(xué)關(guān)于收集、保存、使用學(xué)位論文的以下規(guī)定學(xué)校有權(quán)采用影印、縮印、掃描、數(shù)字化或其它手段保存論文;學(xué)校有權(quán)提供本學(xué)位論文全文或者部分內(nèi)容的閱覽服務(wù);學(xué)校有權(quán)將學(xué)位論文的全部或部分內(nèi)容編入有關(guān)數(shù)據(jù)庫進(jìn)行檢索、交流;學(xué)校有權(quán)向國家有關(guān)部門或者機(jī)構(gòu)送交論文的復(fù)印件和電子版。(保密的學(xué)位論文在解密后適用本授權(quán)說明)學(xué)位論文作者簽名日期導(dǎo)師簽名日期
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簡介:大連理工大學(xué)碩士學(xué)位論文超高層建筑結(jié)構(gòu)的抗震模型試驗(yàn)與計(jì)算分析姓名林蓓申請(qǐng)學(xué)位級(jí)別碩士專業(yè)防災(zāi)減災(zāi)及防護(hù)工程指導(dǎo)教師孔憲京19991201DYNAMICMODELEXPERIMENTANDSEISMICANALYSISOFASUPERTALLBUILDINGABSTRACTNOWADAYS,TALLBUILDINGSAREDEVELOPINGRAPIDLYCHINAISASEISMICACTIVECOUNTRYANDTHEPRESENTTIMEISINTHEHI曲TIDEPERIODOFEARTHQUAKEOCCURRENCETHESTUDYOFEARTHQUAKERESISTANTBEHAVIOROFHIGHRISEBUILDINGSHASGREATSIGNIFICANCEINCORPORATINGWITHTHEDYNAMICMODELEXPERIMENTANDSEISMICANALYSISOFAFRAMETUBESHAPEDSUPERTALLBUILDINGCONSTRUCTEDFROMCONCRETEFILLEDSTEALTUBULARCFTCOLUMNSYSTEM,THISPAPERGIVESADEEPINVESTIGATIONOFTHEDYNAMICSIMILARITYRULEANDTHEEARTHQUAKERESISTANTBEHAVIOROFTHESUCHSTRUCTURESTLLISPAPERENRICHESANDDEVELOPSTHETHREEBASICSIMILARITYRULESFORDYNAMICMODELTESTOFSTRUCTURES,DISCUSSESTHECONDITIONOFTHEIRAPPLICATION,ANDPROPOSESTOUSEATTACHEDWEIGHTTOSATISFYTHESIMILARITYREQUIREMENTOFDYNAMICFAILUREEXPERIMENTITSIMPLIFIESTHEMODELDESIGNTOSOMEEXTENTBASEDONTHERESULTSOFFINITEDEMENTANALYSISOFTHESLRUCRUE,THEMECHANICALBEHAVIOROFFLAMETUBESHAPEDSTRUCTURESUBJECTEDTOEARTHQUAKELODEISSTUDIEDTHEPROPORTIONOFMOMENTANDSHAREDISTRIBUTEDBETWEENTHEOUTFRAMEANDTHEINNERTUBEANDTHESHARELAGEFFECTISDISCUSSEDFORTHESUPERTALLBUILDINGANALYZED,ITISCONCLUDEDTHATDISTRIBUTEDPROPORTIONOFSHAREFORCEVARIESOBVIOUSLYWITHTHEHEIGHTOFFLOORLEVELATTHELOWERPARTOFTHEBUILDING,THEINNERTUBEUNDERTAKESOVERWHELMINGMAJORITYPARTOFTHESEISMICSHEARFORCE,ACCOUNTSFOR90%NEPROPORTIONDECREASESGRADUALLYWITHTHEHEIGHTOFTHEFLOORLEVELANDITREACHES50%ATTHETOPOFTHEBUILDING111EPROPORTIONOFSEISMICMOMENTUNDERTAKENBYTHEOUTERFRAMEANDTHATOFTHEINNERTUBEAREVERYCLOSEBETWEENEACHOTHERATLOWERPARTOFTHEBUILDINGBELOW20。FLOORTHEINNERTUBETAKESMORE111E
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上傳時(shí)間:2024-03-13
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簡介:碩士學(xué)位論文超高層建筑結(jié)構(gòu)動(dòng)力彈塑性時(shí)程分析加速算法與集成SPEEDUPALGORITHMSANDIMPLEMENTATIONFORINELASTICDYNAMICTIMEHISTORY_ANALYSISOFPERTALLBUILDING;TRUCTURESERNSTOANALYSISSUERTADULLTLLNGSTRUCTNRES學(xué)號(hào)21306112大連理工大學(xué)DALIANUNIVERSITYOFTECHNOLOGY大連理工大學(xué)碩士學(xué)位論文摘要超高層建筑結(jié)構(gòu)在地震作用下一旦倒塌,將造成重大的人員傷亡與財(cái)產(chǎn)損失,有必要對(duì)結(jié)構(gòu)在強(qiáng)震下的災(zāi)變規(guī)律進(jìn)行深入研究。通過數(shù)值模擬手段,對(duì)超高層結(jié)構(gòu)進(jìn)行大量的彈塑性時(shí)程分析,分析結(jié)構(gòu)在強(qiáng)震作用下的倒塌安全儲(chǔ)備與損傷演化規(guī)律,揭示結(jié)構(gòu)的構(gòu)件失效路徑與倒塌機(jī)理,是研究超高層結(jié)構(gòu)強(qiáng)震災(zāi)變規(guī)律的重要方法。然而,彈塑性時(shí)程分析需要建立結(jié)構(gòu)的非線性有限元模型,超高層結(jié)構(gòu)模型具有超多自由度與超多單元的特點(diǎn),使用常規(guī)的算法與程序?qū)⒊霈F(xiàn)計(jì)算效率底下的問題,即使計(jì)算機(jī)硬件不斷升級(jí)與并行計(jì)算技術(shù)不斷發(fā)展,計(jì)算效率問題仍然沒得到很好的解決,阻礙了超高層結(jié)構(gòu)的地震災(zāi)變規(guī)律研究,因此迫切需要研究超高層結(jié)構(gòu)彈塑性時(shí)程分析的加速分析算法及其程序集成。針對(duì)上述問題,本文做了如下工作1搭建了專門針對(duì)超高層結(jié)構(gòu)彈塑性時(shí)程分析的程序平臺(tái)。在分析既有開源平臺(tái)FEAPPV與OPENSEES的程序架構(gòu)與可集成性的基礎(chǔ)上,綜合其兩者的架構(gòu)優(yōu)點(diǎn),利用C語言搭建了專門針對(duì)超高層結(jié)構(gòu)的面向?qū)ο蟮某绦蚱脚_(tái),在平臺(tái)上集成了超高層結(jié)構(gòu)彈塑性時(shí)程分析中的基本材料、單元與算法,實(shí)現(xiàn)了程序的基本彈塑性動(dòng)力分析功能。通過與實(shí)驗(yàn)和其他軟件對(duì)比發(fā)現(xiàn),程序分析結(jié)果具備足夠的可信度,分析效率與內(nèi)存占用優(yōu)于OPENSEES。2提出了加速單元狀態(tài)確定的單元狀態(tài)轉(zhuǎn)換算法STP。針對(duì)建筑結(jié)構(gòu)在地震作用下非線性行為僅在部分構(gòu)件發(fā)生的特點(diǎn),提出了線性模型與非線性模型相結(jié)合的單元截面狀態(tài)策略,加速了纖維梁柱單元與分層殼單元的狀態(tài)確定,并利用OPENMP并行編程語言實(shí)現(xiàn)了STP的并行化PSTP。通過算例驗(yàn)證發(fā)現(xiàn),STP/PSTP的加速效果隨著地震動(dòng)強(qiáng)度的增大而減弱,其中PSTP的加速比在809~147范圍。3對(duì)比研究了最適于超高層結(jié)構(gòu)體系線性方程組求解的求解器。編譯并在平臺(tái)中集成了一批CPU并行或GPU并行的直接求解器與迭代求解器,通過對(duì)比發(fā)現(xiàn),結(jié)合多線程OPENBLAS的超節(jié)點(diǎn)CHOLESKY分解的CHOLMOD求解器PF效率最高,發(fā)現(xiàn)其特點(diǎn)為計(jì)算耗時(shí)與結(jié)構(gòu)單元數(shù)量成正比,矩陣分解耗時(shí)占用求解耗時(shí)的95%以上。4提出了加速非線性平衡方程迭代求解的不精確牛頓喬列斯基迭代算法INC?;诓痪_牛頓算法,結(jié)合結(jié)構(gòu)在彈塑性時(shí)程分析過程中切線剛度非時(shí)刻劇烈變化的特點(diǎn),反復(fù)利用一次CHOLESKY分解的結(jié)果進(jìn)行不精確牛頓步的求解,從而大幅度降低彈塑性時(shí)程分析過程中的矩陣分解次數(shù)。算例分析表明INC算法可以使彈塑性時(shí)程分析的矩陣分解次數(shù)降至數(shù)次到數(shù)十次。本文建議INC的強(qiáng)制項(xiàng)中A取值005,∥取值001,迭代收斂容差取0001~01。
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上傳時(shí)間:2024-03-11
頁數(shù): 143
大?。?18.8(MB)
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簡介:西安建筑科技大學(xué)碩士學(xué)位論文超高層筒中筒建筑上部結(jié)構(gòu)的原位測試與施工學(xué)分析姓名劉景亮申請(qǐng)學(xué)位級(jí)別碩士專業(yè)結(jié)構(gòu)工程指導(dǎo)教師張保印20030301西安建筑科技大學(xué)碩士學(xué)位論文ONSITEMEASUREMENTSANDCONSTRUCTIONMECHANICSANALYSISOFULTRAHIGHRISETUBEINTUBEBUILDINGSUPERSTRUCTUREGRADUATESTUDENTADVISOTDEGREESOUGHTSPECIALTYLIUJINGLIANGZHANGBAOYINMASTEROFENGINEERINGSTRUCTURALENGINEERINABSTRACTINRECENTYEARS,WITHTHEINCREASEOFHEIGHTOFSUPERHIGHRISEBUILDINGS,THESTRUCTURETYPESBECOMEMOREANDMORECOMPLEXHOWTOANALYSIZETHESECOMPLEXSTRUCTURESYSTEMSISANURGENTPROBLEMINTHEFIELDOFTALLBUILDINGOFOURCOUNTRYTRADITIONALSTRUCTURALANALYSISISBASEDONTHESINGLELOADMODELHOWEVER,INTHECONSTRUCTIONPERIODTHEREINFOREEDCONCRETESTRUCTUREISAKINDOFTIMEVARINGSTRUCTUREINWHICHSTRUCTURESHAPE,MATERIALPERFORMANCEANDLOADSAREAL1TIMEVARINGSTRUCTURALRESPONSEINTHECONSTRUCTIONPROCESSHASGREATDIFFERENCEFROMRESULTSCALCULATEDWITHTRADITIONALMETHODINTHEPAPER,THEBASICTHEORYOFCONSTRUCTIONMECHANICSISINTRODUCEDTHETIMEDEPENDANTCHARACTERISTICSOFCONCRETEISDISCUSSEDANDITSINFLUENCEONSTRUCTURERESPONSEINTHECONSTRUCTIONPERIODISINDUCEDSUBSEQUENTLYTHERIGIDITYLEGPHENOMENONANDTHETIME‘VARINGFEATUREOFLOADANDRESISTENCEINTHESUPERHIGE‘。RISEBUILDING’SCONCTRUCTIONPERIODISANALYSIZEDBASEDONTHESUPERFINITEELEMENTTHEORYASIMPLIFIEDCOMPUTATIONMODELOFCONSTRUCTIONMECHANICSTOWARDHIGHRISETUBEINTUBESTRUCTUREISBROUGHTFORWARDANDTHESUPERELEMENTMINORSTRUCTURECOUPLINGFINITEELEMENTMETHODISESTABLISHEDUSINGANSYSCOMPUTERPROGRAMMETHECONSTRUCTIONPROCESSOFSUPERHIGHRISETUBEINTUBESTRUCTUREISNUMERICALLYSIMULATEDANDTHEINNERFORCEOFSUDERSTRUCTUREISANALYSIZEDCOMBINEDWITHOILSITEMEASUREMENTDATAOFATUBEANDTUBESTRUCTUREASANALYSISISSHOWN,THEREAREGREAT“ARCHINGEFFECTS”INTHEINNERTUBEANDOUTERTUBEANDALSOBETWEENTWOTUBESSOITISADVISEDTHATSOMEAPPROPRIATECOMPUTERSOFTWARECONSIDERING
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上傳時(shí)間:2024-03-13
頁數(shù): 87
大小: 2.59(MB)
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簡介:(申請(qǐng)工學(xué)博士學(xué)位論文)花崗巖尾礦建筑微晶玻璃組成、結(jié)構(gòu)與性能的研究培養(yǎng)單位材料科學(xué)與工程學(xué)院學(xué)科專業(yè)材料科學(xué)與工程研究生康俊峰指導(dǎo)教師程金樹教授2017年5月CLASSIFIEDINDEXPHDDISSERTATIONINVESTIGATIONONTHECOMPOSITIONSTRUCTUREPROPERTIESOFBUILDINGGLASSCERAMICSPREPAREDFROMGRANITEWASTESKANGJUNFENGSUPERVISCHENGJINSHUACADEMICDEGREEAPPLIEDFDOCTOFENGINEERINGSPECIALTYMATERIALSSCIENCEDATEOFALEXAMINATION2017MAYDATEOFSUBMISSION2017MAYUNITOFDEGREECONFERREDWUHANUNIVERSITYOFTECHNOLOGYWUHANUNIVERSITYOFTECHNOLOGYWUHAN430070HUBEIPRCHINA
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上傳時(shí)間:2024-03-13
頁數(shù): 132
大?。?8.74(MB)
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簡介:劣參未夕L碩士學(xué)位論文膜結(jié)構(gòu)建筑設(shè)計(jì)中的物理環(huán)境因素研究STUDYONTHEPHYSICSENVIRONMENTFACTORSOFMEMBRANEBUILDINGDESIGN作者侯磊導(dǎo)師姜憶南北京交通大學(xué)2014年7月學(xué)校代碼10004密級(jí)公開北京交通大學(xué)碩士學(xué)位論文膜結(jié)構(gòu)建筑設(shè)計(jì)中的物理環(huán)境因素研究STUDYONTHEPHYSICSENVIRONMENTFACTORSOFMEMBRANEBUILDINGDESIGN作者姓名侯磊導(dǎo)師姓名姜憶南學(xué)位類別工學(xué)學(xué)科專業(yè)建筑學(xué)學(xué)號(hào)10122048職稱副教授學(xué)位級(jí)別碩士研究方向建筑設(shè)計(jì)及其理論北京交通大學(xué)2014年7月
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上傳時(shí)間:2024-03-11
頁數(shù): 143
大小: 14.21(MB)
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簡介:同濟(jì)大學(xué)碩士學(xué)位論文立面不規(guī)則復(fù)雜高層建筑結(jié)構(gòu)的抗震分析姓名黃勤勇申請(qǐng)學(xué)位級(jí)別碩士專業(yè)結(jié)構(gòu)工程指導(dǎo)教師呂西林200331ABSTRACTWITHTHEDEVELOPMENTOFCITYCONSTRUCTION,THENUMBEROFCOMPLICATEDTALLBUILDINGSTRUCTURESISINCREASLNGRAPIDLYINOURCOUNTRYSOMEOFWHICHEVENGOBEYONDTHELIMITATIONSOFDESIGNCODESTHEBUILDINGLAWSHAVESTRJCTERREGULATIONSONTHEMASCOMPAREDWITHCOMMONBUILDINGS,SOTHERESEARCHONTHEIRBEHAVIORUNDERTHESEISMICACTIONISESSENTIALSETBACKOFFACADE,TRANSFERSTOREYANDABRUPTCHANGEOFFLOORHEIGHTARETHREECOMMONSTRUCTURALSTYLESINCOMPLICATEDTALLBUILDINGSTRUCTURESTHEMAINSECTIONOFTHISPAPERFOCUSESONTHECALCULATINGANDANALYZINGOFSUCHTHREESTRUCTURALST,LESWITHTHEFINITEELEMENTANALYSISSOFTWARESATWEANDEPDAASTHERESULTSOFALARGENUMBEROFANALYSESANDCOMPARISONS,SEISMICBEHAVIOROFSUCHTHREEKINDSOFSTRUCTURESISPRESENTEDINDETAILANDSOMEDESIGNCONCEPTSARESUGGESTEDFORREFERENCEINSTRUCTURALDESIGNOFCOMPLICATEDTALLBUILDINGSBASEDONTHESTUDYOFSEVERALAVAILABLECALCULATINGMETHODSOFFLOORSTIFFNESS,THECONCEPTOFEQUIVALENTSTIFFNESSANDITSCALCULATINGFORMULAAREPUTFORWARDINTHISPAPERTHREEMETHODSAREAPPLIEDTOCALCULATETHESTIFFNESSRATIOANDSOMECONCLUSIONSAREOBTAINEDACCORDINGTOCALCULATINGRESULTSINADDITION,THISPAPERSTUDIESTHECOUPLEDRESPONSEOFTORSIONALANDTRANSLATIONALVIBRATIONOFTALLBUILDINGSTRUCTURESUNDERSEISMICACTIONTHEMAINFACTORSINDUCINGTHECOUPLEDRESPONSEOFTORSIONALANDTRANSLATIONALVIBRATIONAREANALYZEDBASEDONABOVEPRINCIPLESSOMESEISMICBEHAVIOROFSTRUCTURESWITHSETBACKOFFACADEISEXPLAINEDTHEORETICALLYKEYWORDSCOMPLICATEDTALLBUILDINGSTRUCTURES,OUTOFCODESTALLBUILDINGS,VERTICALIRREGULARITY,SETBACKOFFAGADE,TRANSFERSTOREY,ABRUPTCHANGEOFFLOORHEIGHT,EQUIVALENTSTIFFNESS,SEISMICBEHAVIOR,COUPLEDRESPONSEOFTORSIONALANDTRANSLATIONALVIBRATION
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上傳時(shí)間:2024-03-12
頁數(shù): 115
大小: 3.23(MB)
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簡介:穩(wěn)態(tài)沖擊射流作用下建筑結(jié)構(gòu)的風(fēng)壓特性研究1重慶大學(xué)碩士學(xué)位論文(專業(yè)學(xué)位)學(xué)生姓名唐偉峰指導(dǎo)教師汪之松副教授兼職導(dǎo)師魏奇科高工學(xué)位類別工程碩士(建筑與土木工程領(lǐng)域)重慶大學(xué)土木工程學(xué)院二O一五年五月國家自然科學(xué)基金資助項(xiàng)目51208537THESTUDYOFWINDPRESSURESONBUILDINGUNDERSTEADYSTATEIMPINGINGJETFLOW2ATHESISSUBMITTEDTOCHONGQINGUNIVERSITYINPARTIALFULFILLMENTOFTHEREQUIREMENTFTHEPROFESSIONALDEGREEBYTANGWEIFENGSUPERVISEDBYASSPROFWANGZHISONGPLURALISTICSUPERVISEDBYSENIENGWEIQIKESPECIALTYMEARCHITECTURALCIVILENGINEERINGFILEDCOLLEGEOFCIVILENGINEERINGOFCHONGQINGUNIVERSITYCHONGQINGCHINAMAY2015PROJECTSUPPTEDBYNATIONALNATURALSCIENCEFOUNDATIONOFCHINA51208537
下載積分: 5 賞幣
上傳時(shí)間:2024-03-12
頁數(shù): 88
大?。?2.72(MB)
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簡介:南京林業(yè)大學(xué)碩士學(xué)位論文現(xiàn)代木結(jié)構(gòu)建筑之屋頂構(gòu)造系統(tǒng)的研究姓名龔瑜申請(qǐng)學(xué)位級(jí)別碩士專業(yè)木材科學(xué)與技術(shù)指導(dǎo)教師張青萍20070601ABSTRACTWOOD,AKINDOFEVERLASTINGMATERIALUSEDINARCHITECTURESTHEMANKINDHASALONGHISTORYOFLIVINGINWOODBUILDINGSONTHEHISTORYTHEWOODCONSTRUCTIONEMERGEDDIVERSEFEATURE,ITSROOFFORMISALSOABUNDANTCOLORFULCHINESEANCIENTTRADITIONALWOODCONSTRUCTIONISIMMORTALARTINTHEWORLDBUILDINGSYSTEM,EVENINTHEWEST,F(xiàn)AMOUSOFTHESTONEBUILDINGS,ITSROOFFORMALSOORIGINATEDFROMWOODCONSTRUCTIONANDUSEDFORALONGPEDODOFTIMEALONGWITHTHEDEVELOPMENTOFTHEWOODCONSTRUCTIONTHEROOFPRODUCEDMOREABUNDANTFORMS,INAPROCESSFROMTRADITIONTOMODERNINCLUDINGFIATROOFSHEDROOFGABLEROOFHIPROOFGAMBRELROOFEOMBINATORIALROOFANDETCINOLN“COMLTRYBECAUSEOFTHERESOURCESANDTECHNICALLEVELS,THEWOODCONSTRUCTIONISALWAYSEXCLUDEDINTHEMODERNMAINSTREAMARCHITECTURESUNTILRECENFLGBECAUSEOFTHEDEVELOPMENTOFECONOMYANDNEWUNDERSTANDINGOFTHELIVINGENVKONMENTPEOPLEJUSTSTARTREPAYINGATTENTIONTOWOODCONSTRUCTIONBUILDINGSBUTTHERELATEDRESEARCHESANDLITERATURESARESTILLSHORTERTHERESEARCHESONROOFAREMUCHMOREABSENTTHEMAINPURPOSETHATTHISTHESISCOMPOSEISTOCOMBINE、撕TLLTHEMODEMWOODCONSTRUCTIONSTUDYTHEROOFDESIGNINTHEFORMANDTHESTRUCTURE,ASAFOUNDATIONRESEARCHFOREXPANDAPPLICATIONSINCHINATHETHESISSTARTSFROMTHEGENERALSITUATIONOFMODEMWOODEOASTRUETIONFIRSTINWODUCESTHEDEVELOPMENTHISTORYOFTHEWOODCONSTRUCTIONBUILDINGROOFFROMTHEANCIENTTOTHEMODEMTIMESINBOTHWESTANDCHIRLA,THENINTRODUCESTHEFORMANDTECHNIQUECHARACTERISTICOFTHEROOFANDPUTSFORWARDTHEDESIGNANDBUILDPROCEDURESOFTHEROOFTHEMODEMWOODCONSTRUCTIONBUILDINGROOFISCOMPOSEDOFROOFCOVERINGS,ROOFSHEATHING,BEARINGSTRUCTURES,SUPPORTINGSYSTEMANDSUSPENDCEILINGTHEMAINPARTOFTHETHESISISTOSTUDYTHESTRUCTUREOFTHEMODERNWOODEONSTMETIONROOFACCORDINGTOTHESECONSTITUTEPARTSOFTHEROOFINCLUDINGTHEROOFFLAMINGSYSTEM,ROOFCOVERINGS,MATERIALLAYEROFHEATPRESERVATION、HEATINSULATIONANDWATERPROOFANDINTERIORDECORATIONOFTHEBUILDINGROOFTHEWOODCONSTRUCTIONBUILDINGROOFHASALOTOFFACTORSTHATNEEDTOBECONSIDEREDINTHEDESIGNANDPROTECTIONINCLUDINGTHEBUILDINGSTABILITYDURABILITYHEATINSULATIONSOUNDINSULATIONFIREPROOFWATERPROOFMOISTUREPROOFMOTHPROOFANTISEPSIS,ENDURANCEOFTHEWINDANDSNOWLCADANDETC,,PARTICULARLYFORSOMEAREASWHERETHEEARTHQUAKEANDTYPHOONOFTENHAPPENTHEWOODCONSTRUCTIONROOFDESIGNMUSTBEALSOINCONSIDERATIONOFDEFENDINGTHEHURRICANEANDEARTHQUAKEANDLOADENDURANCE,SOASTOPROLONGTHESERVICELIFEOFTHEROOFKEYWORDSWOODCONSTRUCTIONROOFMATERIAL,STRUCTURE,RAFTERCEILINGJOISTTRUSS
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上傳時(shí)間:2024-03-12
頁數(shù): 96
大小: 3.43(MB)
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