Page 204 - 《水资源与水工程学报》2023年第1期
P. 204
2 0 0 & ' ( ) & * + , - 2023 $
totestifytheremediationeffectofdiversionmeasures.Theresultsshowthatthesubwaystationstructure
canbedividedintothreecategories ,namely,thedoublelayerseepagestructurewithgravel-magmatic
rockpores-fissuresinthesoillayer(stationA),theseepagestructurewithgravel-limestonepores-
karstinthesoillayer (stationB)andthesinglelayerporeseepagestructurewiththickgravelinthesoil
layer(stationC).Theinfluenceofsubwayfoundationpitconstructiononthehydrodynamicconditionsof
thesurroundingoriginalseepagefieldiscloselyrelatedtostratumstructure.Theconstructionofthesub
waystationleadstotherisingofthewaterlevelontheupstreamfaceandthefallingofthewaterlevelon
thedownstreamface ,themaximumbackwaterheightoftheupstreamfaceofstationA,stationBandsta
tionCis0.40,0.32and0.62m,respectively.Theinfluencerangeofgroundwaterflowfieldisclosely
relatedtogeologicalconditions,thenumberofstationsandtheanglebetweenthedirectionsofstation
constructionandwaterflow.Generallyspeaking,theinfluencerangeoftheupstreamfaceislargerthan
thatofthedownstreamface.Diversionmeasurescanrestorethegroundwaterseepagefieldtothegreatest
extent,andtheEuclideanclosenessbetweenthefallenbackwaterlevelandthenaturalwaterlevelat
eachstationisgreaterthan0.98.However,thenumberandlocationofdiversionmeasuresareaffected
bymultiplefactorssuchaswaterflowangle,geologicalstructure,hydrodynamicconditionsandsoon,
whichshouldbeconsideredaccordingtotheactualsituation.Theresearchresultscanprovideascientific
referencefortheharmoniouscoexistenceofsubwayengineeringconstructionandgroundwaterenvironmen
talprotection.
Keywords:karstwaterseepagefield;flowfieldrestoration;diversionmeasure;numericalsimulation;
subwayconstruction
u¬Ìuv11oñò, ¦å)½Ú»
1 ./01
¼`ñò。
ïæ#<tDx·&û;, <=p R8ðµup<=»ºr', u¬puM
uv¬àøÜ [1-5] 。*Ç1Pu æ½¢¾|Ò, å
uµfXuv1Sf:
b、 ui]iuvèpoßø1 N cN, Û9ÿuv1Ë1ùe [22] , Q¤ù
, ¨êÿ<)uv1ZSq, ÜDL51<=o ÿuv1|S, */¾1e1oø,, 1e1ov
ç [6] 、 ×1 [7] 、 +1 [8] ëfue®k [9] ]ߥXV [21]
k , ¡%&127ä。PE¾kÎu¬
WuM>。Ì
þ[1eëvub, [23]
Ìuv1]Tñò, È5u¬GOp ëf
¬¬±PT 、 ievÇk1 [10-11] :¥ [24]
Z%k1ð ·¸E% Z YZ, O
nvZ%c·¸, w¤߽kÎÿu
Z%ëfh8¬6<L/1fue®k]u
v11o, O¨êÿuv1»n|Sµf, c
M, %`$uvboâuv1|S,
[12]
./k,-。/POP.{@ 、 uvÊ"
¦õ1oê¡%&¬*/üix。¾=
[13] [14]
¼%@ 、 E%CÃ@ <o{|fÞTö÷[
nuZ%¬h8¬12, 3±kÎu¬
[15]
\ ]Z%µ@Û°u¬!<1UuM
Ìuv1ZSqñò, nv%&¬ð ø
>, O+1>ßl¡¥k¨)¹%。
ñòM1!"ÏçƬu12h¸。
5
uv%&Ì1VWñò&¿-)iÚ
UU67+)Ô{ô7、 uM)eY!ëfu
+^/Ä, ¦cu¬!uv11oSq
êwßÃK-/¾ïa [16-17] 。Pujades ] [18] È v11oÞTj6ô7, £Ìu¬zCuv1
5ÿuv%&ÌÇ1P¢oÚ~»¼@; ZSq>È5MS{|YZ, ë+^pu
Esther ] [19] ÊËÌÓNÀ8FDu¬PÆ b( b A、 b B、 b C) ¾ÔÏôáNµ
uv1]½, <+u¬*/uv1üS @+^|ÒuM¹vu¬Ìuv1ZSq
ÚÛ±; PÇå] [20] 、 Y}] [21] ÊËôáN» ñòëfMSYZZSq{|¹Ä, ¾<
¼ÿu{PÆ
&Sqê, <+DuI =iMnow1<=puv1ZSq{|Èi\
%uv1ZS]TlñòI9。/P+^OP® K=Õ。