Page 153 - 《水资源与水工程学报》2022年第3期
P. 153
!33 " ! 3 # & ' ( ) & * + , - Vol.33No.3
2022 $ 6 % JournalofWaterResources&WaterEngineering Jun.,2022
DOI:10.11705/j.issn.1672-643X.2022.03.19
°lmö÷EBVnooXpqØÍBC
1 1 1,2 1 1 1
"´Y , µ s , ¶Z· , F"¸ , M?¹ , !2
(1. #¾k6 WZW¶6n, => $r 210098;2. #¾k6 WcWXY*WZlm/6=>&'?@A, => $r 210098)
D E: jßnÏ
WZlmjeöÍ, jßnÏab
²Újßϧw[r6è。s
z\l]ST¤²ÚjßÏvjeéê, k\kel]c(je§û`de。
ýÉÈ'WÐÐsL0, °±ÿÜC]Ë、 7Ý、 ðjHhWcHjßÏsìcWùQ4@, B+
B¤jßÏvl]jeop¶, º;Ö̾abST¤²ÚjßÏ。: B¤
jßÏvÈ'WÐop¶U·õñ?¢sH、 7Ý、 cHÿÜC, ÄoH、 7ÝcHéê²sàá;
ab|$&'29H7Ýéêm"²k¤jßÏ; ab±7Ð?ÈÐ{k/s 2.37%, H
-6 -6
7ÝjßϽs 3.04×10 5.51×10 cm/s, abnÏ[1l]jeÃ, (^5s
ÃGlmÍÎQÚ。
FGH: l]; jßÏ; ab; Q4@; op¶
8IBJK:TV61 LMNOP:A LQRK:1672643X(2022)03014907
Sensitivityandinversionanalysisofpermeabilityparameters
inmainzonesofashiplockhub
1
1
1
1,2
1
1
JINHongjie,GANLei,SHENZhenzhong ,YANGJinmeng,SUNYiqing,ZHANGWenbing
(1.CollegeofWaterConservancyandHydropowerEngineering,HohaiUniversity,Nanjing210098,China;2.StateKey
LaboratoryofHydrology -WaterResourcesandHydraulicEngineering,HohaiUniversity,Nanjing210098,China)
Abstract:Thedeterminationofpermeabilityparametersisthebasisofseepageanalysisinhydraulicengi
neering ,andtheinversionofthemisoneoftheeffectivemeanstoobtainthematerialpermeabilitycoeffi
cientoftheproject.Inordertoquantifytheinfluenceofpermeabilitycoefficientofthemainzoneofa
shiplockontheseepagefieldofthehub ,athreedimensionalseepagefiniteelementanalysismodelof
thelargeshiplockwasestablished.Thewaterheadvaluesofdifferentmeasuringpointsweretakenasin
dicators ,andthethreelevelorthogonaltestswiththepermeabilitycoefficientoftheconcretelockbody,
bedrock,antiseepagecurtainanddrainageholeasfactorsweredesignedtocarryoutthesensitivityanal
ysisofpermeabilitycoefficientofeachzonetotheshiplockseepagefield.Then,thematerialpermeabili
tycoefficientofthemainzonewasinverselydeterminedbyvariabletolerancemethod.Theresultsshow
thatthesensitivityofthepermeabilitycoefficientofeachzonetothewaterheadofthemeasuringpoints
wascurtain ,bedrock,holecurtainandconcretefromhightolow,amongwhichtheinfluenceofcurtain,
bedrockandholecurtainweremoresignificant.So,theinversionshouldfocusonthepermeabilitycoeffi
cientofthezonesofhighinfluencesuchasthecurtainandbedrock.Themaximumerrorbetweenthecal
culatedandmeasuredvaluesofinversionwas2.37%,andthepermeabilitycoefficientsofthecurtainand
-6
-6
bedrockwere3.04×10 and5.51×10 cm/s,respectively.Theinversionparameterscanbeused
fortheseepagestabilityanalysisoftheshiplock ,andtheresearchresultscanprovidesomereferencefor
similarprojects.
Keywords:shiplock;permeabilitycoefficient;inversionanalysis;orthogonaltest;sensitivityanalysis
!"#$:20210812; %$:20220109
'()*: =>45/678.3(51609073); =>%45/678.3(BK20201312)
+,-.: 8äc(1997-), a, ³=í¨K, ÓM(^P, STUVlmjeó(^。
/0+,: z ¡(1987-), a, =]^jK, LM, ÒNO, STUVlmjeóN6*/(lç。