抗拉法檢測混凝土強度新技術(shù)試驗研究.pdf

1、中圖分類號：I墮312：!學(xué)科分類號：5鯉：252QV873968論文編號：H旦L魚Q：Q22密級：坌玨河北理工大學(xué)碩士學(xué)位論文抗拉法檢測混凝土強度新技術(shù)試驗研究作者姓名：鯉亟王專業(yè)名稱：隨塞趟區(qū)王捏叢墮塑工捏研究方向：綾撞笪塑魚撿測量加固學(xué)習(xí)單位：塹jE堡王盍堂學(xué)習(xí)時間：墨星生提交日期：2鯉生Q!旦!旦申請學(xué)位類別：王堂亟導(dǎo)師姓名：型壁壘墼蕉單位：塑i!墨墨盤芏生墨墼撞單位：壁出生瞳論文評閱人：睦袁溘絲蕉單位：壁出生墮塑壺壁型耋絲單位

2、：塑韭堡蘭盤堂論文答辯日期：2螋i堡Q3且12旦答辯委員會主席：蒸盟蕉關(guān)鍵詞：混凝土抗拉強度；混凝土抗壓強度：抗拉法；回歸分析唐山河北理工大學(xué)2006年3月河北理：【大學(xué)碩士學(xué)位論文Abs仃actNondeStructiveevaluationmethodsofsmJctureconcretes廿en舀hdeVel叩edfbml9309，whjchcaIltesttheconcretestrengIllFromtl】enon，pe叩le

3、begantolookformesimplea|Idd印endabIeexaminationmetllod，hime喲，t11esetestmetllodsalreadyverymalⅧre，andbecomecriterionbeusedinactIlalstrucnlreFmmreboundandllIhasonic鋤dcore—drilJingtopullontmethod，almough幽etechniqueisVerymatl

4、lre，becaIlseofmanyinnuencefactorsaIlddis職rse，some∞metllodshavemanyblemish，TflistextcombinestheadVaIltageofaboVememioncdnletllod，aimingattheir、Ⅳeaknessatthes鋤etime，co肌ect、vithⅡlebuildingbottomguInandmeABg啪船tlleadhesive，an

5、dstudiedanewdetecting溉hnique一￡ensikslreng氆methodFirSUy，int11ethesis嘶ter咖diedandgainedt11egeometrypar鋤eteroftensiIes仃en酣hmetIlodandselectedtllenewteStinstrImlent，atthesametime，conFigdhj曲sn_：en垂had王1esivewith曲舊blmdingbott唧

6、g岫andtheABgumSecondly’writcrfegardconcretetestspecimenaIldwalI船theobjectofthetestin島regressandanalysetooriginalaJldmodifieddata柚dgainthestrengthdetectingfomulaoftensiles仃en舀hmethodAtthesametjme，thestreng山一detectingformul

7、aSDfreboundmetllod，u】nasonjcm礎(chǔ)oda11dtensile—reboundmetllod，aIldcomparetensilestreng山method、viththemThecomp撕sonindicatesthat血ereisverygoodlinearcorrelationbetWeentensilestrengthaIldcompressionscrengthThecorrelatiV酊aIldacc

8、啪cyofregressioncurvebythedataofconcretetescspecinlenproVemefeasibiljtymemodTheconcretetestwalIistoiruitatethestmcture)tllere伊essioncurvebyt11edataofconcretetestwallcanbcused證actLlals廿1Jcn】re，Atlast，themesisanalyzet11econ

9、crete缸lurcmechallismoftensile‘strcnglllmemodandchinktllattheconcreteproducestheabruptbrit(1enessbreakagewhenmetc：nsilestI℃ssanaintlleexn℃melimitandsuⅡlInarizejtsinnuencefhctorsF培29；Table17；Reference6lKeyWords：nondestmcti