A - Đập bê tông và bê tông cốt thép ! "
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Ch"ơng 4
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Các loại đập bản tựa
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4.1. Phân loại
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#$%"&'(")*+", /")01"&23"/4/"&'("/56("(-7/"(89"(:53;(:"<="%5>+")5 (:"?-@"<A"
/4/")BC"/5D(:E"á%"?*/"(-7/")B@F=("G@D(:"(=("H@+"/4/")BC"/5D(:E"I*+"<A1"5J(5")5K/"9L)"
/56("(-7/M"/N")5O"/53+",$%"&'(")*+")5A(5"/4/"?103"P+@Q"
E"#$%"&'("%5R(:"S5J(5"TU +MVWM"9L)"/56("(-7/"?A"9X)"&'("%5R(:E"
YE"#$%"?3;("<Z9"S5J(5"TU &WM"9L)"/56("(-7/"/N"(53=@"5J(5"<Z9E"
[E"#$%")1",\@"S5J(5"TU /WM"9L)"/56("(-7/"V1"%5\(",\@"%5>+")5 (:"?-@"/]+")BC"%3("
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,3y("<A1":3p+"5+3")BCM"(5-"<$F"Px")5@"(:6(", /",-a(:"D(:"4%"?*/E"
6E"#$%"&'(")*+"/N"`5'"(u(:"/5w@",*(:", /"9X)",X"H@4")'3"(5c)",w(5E" K53"<J"
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(:+(:")u(:"?;(M"(5-(:")Br(:"? (:"(-7/")B;("9L)"/56("(89"(:53;(:"/i(:")u(:"?;(E"I1"
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`5d(:")u(:"S<J"4%"?*/")5c9"Bc)"&e"/N")5O"&g"H@+WM"(5p(:"(5k(")D",N":3p"/51",$%"v(",w(5"
`53"%5'3"/5w@"9X)",X"< )")'3"(5c)",w(5E"
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II. Nh-ợc điểm
E"mBC"%3("/N",X"/K(:"5-7(:"(:+(:"(5gM"v(",w(5"5-7(:"(:+(:"`e9E"#X(:",c)"
5-7(:"(:+(:"/N")5O"P3(5"B+"/5c(",X(:"/X(:"5-2(:"51L/"?A9",v")BC"%3(E":1A3"B+M")BC"
%3("?A"&'("/5w@"e%"9X)"%5>+M"`b)"/c@"9g(:"9'(5M"(;("V-73")4/"VC(:"/]+"4%"?*/"(-7/"
)5 (:"?-@"/i(:"/N"`5'"(u(:"9c)"v(",w(5M"?ú/")53b)"`b"/\("%5'3")>(5")14("v(",w(5"@D("
Vr/E"5-(:"/u("/K"<A1"/4/"`b)"H@'"(:53;("/K@":\(",kFM"v(",w(5"@D("Vr/"`5d(:"%5'3"?A"
,3=@"`3y("`5D(:"/5bE"
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/56("(-7/"`e9E"K53"9L)"/56("(-7/"&w"PK)M"Pử+"/5p+"Bc)"`5NM"`5d(:", /"&=(M"`3;("/D"
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/4/"9L)Q")>(5"(u(:"/5D(:")5c9M"/5D(:"%51(:"514M"Gk9")5*/M",X"&=("<E<EEE"
[E"qD"? (:"/D)")5e%"Vj(:"(53=@"5f(",$%")Br(:"?*/M"(5c)"?A",$%"?3;("<Z9"<A",$%"
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A - Đập bê tông và bê tông cốt thép ![
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I. Hình thức đặc điểm và bố trí
1. Hình thức và đặc điểm
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#$%")1",\@"?A"9X)"?103",$%"&'(")*+"/N")5O")>/5"?7(M")5k(",$%"`5d(:"/\("%5'3"&D")B>"
/D)")5e%"/5w@"?*/E"sL)"/56("(-7/"V1"%5\(",\@"/]+"/4/")BC"%3("92"BX(:")01")5A(5M"V1",N"
)BC"%3("<A"9L)"/56("?A"9X)"`b)"/c@"?3=("`5D3E"
_5ỗ"(D3")3b%":3p+"&X"%5$(",\@"/]+"/4/")BC"%3("<73"(5+@M"/N"&D")B>"/4/"`5h"?ú("<A"
/4/")53b)"&w"/5D(:")5c9M"V1",L/",3O9"`b)"/c@"(AF"(;("/4/")BC"%3("/d(:")4/",X/"?$%,$%"
/N")5O")5>/5"K(:"<73"P*"?ú("`5d(:",=@")B1(:"9X)"%509"<3"(5c)",w(5E"VJ"<$F"F;@"/\@",D3"
<73"(=("/]+",$%")1",\@")5c%"5f("P1"<73"/4/"?103",$%"&'(")*+"`54/E""
I*+"<A1"5J(5")5K/")BC"/N")5O"/53+",$%")1",\@")5A(5"Y"?103Q"#$%"/N")BC"%3(",f("
S5J(5"TUYW"<A"?103"/N")BC"%3("`e%E"HJ(5")5K/")BC",f(":ồ9"?103"IM"II"SGh9"5J(5"TU[W"5J(5"
!T" """"""""sổ tay KTTL * Phần 2 - công trình thủy lợi * Tập 2
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50"?-@",$%"/i(:"?A"9L)"`>(E"HJ(5")5K/"`5e%"`>("(AF"/N"?.3"<="9L)"v(",w(5"5-7(:"(:+(:M"
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"_5ỗ"(D3")3b%":3p+"&X"%5$(",\@"/]+"/4/")BC"%3("<73"(5+@M"/N"&D")B>"/4/"`5h"?ú("<A"/4/"
)53b)"&w"/5D(:")5c9M"V1",L/",3O9"`b)"/c@"(AF"(;("/4/")BC"%3("/d(:")4/",X/"?$%,$%"/N"
)5O")5>/5"K(:"<73"P*"?ú("`5d(:",=@")B1(:"9X)"%509"<3"(5c)",w(5E""
VJ"<$F"F;@"/\@",D3"<73"(=("/]+",$%")1"
,\@")5c%"5f("P1"<73"/4/"?103",$%")*+"&'("`54/E"
q1"P4(5":3p+"5+3"5J(5")5K/")BC",f("<A")BC"
`e%"<="/4/"9L)"&D")B>M"/c@")01M"Pử"VC(:"<A")53"
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)-f(:",D3"?7(M"V1",N"PD"? (:"/4/",10(",$%"P1"
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&W"q1"<73",$%"?3;("<Z9"<A",$%"&'("%5R(:M"(b@"/j(:"/N"/53=@"/+1"|z9M",$%"?3;("
<Z9"<A",$%"&'("%5R(:"/N")5O")3b)"`3y9"5f(",$%")1",\@"`51'(:"!}"`5D3"? (:"&;")d(:E"
5-(:"5+3"?103",$%"(AF")53"/d(:"%5K/")0%M"/D)")5e%"Vj(:"(53=@"SY!"á[z`:/9
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/W"I1"/4/")BC"?A9"<3y/",X/"?$%M"(;("/N")5O")5>/5"K(:"<73"P*"?ú("`5d(:",=@")B1(:"
9X)"%509"<3"(5c)",w(5E"Y;@"/\@"<="(=(")5c%"5f("P1"<73"/4/"?103",$%"&'(")*+"`54/E"
VW"q1"<73",$%"&'("%5R(:"<A",$%"?3;("<Z9M"/4/"`b)"/c@"/]+",$%")1",\@"VAF"5f(M"(;("
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2. Bố trí đập
#-a(:")BC/",$%",\@")1")5-a(:"&D")B>")5h1"9X)",-a(:")5R(:E"5-(:")B1(:")B-a(:"
5.%",L/"&3y)M"(5-"/\("%5'3"92"BX(:"/53=@"VA3"%5\(")BA("51L/"V1",3=@"`3y(",w+"/5c)"F;@"
/\@M"/i(:"/N")5O"&D")B>")5A(5",-a(:"/1(:E"
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<73"&aE"
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? (:")BA(")B;("9X)",f("<w"/53=@"VA3"/i(:"/5r("(5-",$%")Br(:"?*/E"5-(:"V1"943"50"?-@"
/]+",$%")1",\@"VD/"5f(",$%")Br(:"?*/"(;("/\("/5ú"ý"/5r("943"VD/"<A"5J(5"V0(:",$%")BA("
%5j"5.%"<73",3=@"`3y(")5]F"?*/E"_53=@"BX(:"/]+"/4/"?ỗ")BA("%5'3")-f(:"K(:"<73"/53=@"
BX(:"/]+"9ỗ3",10(",$%E"b@"?ỗ")BA("(89")B;("5+3")BC")5J"`b)"/c@"/]+"/4/"`5h"(D3M")53b)"&w"
/5D(:")5c9"Px"%5K/")0%"<A"'(5"5-2(:"`5d(:"?.3",D3"<73")B0(:")543"K(:"P@c)"/]+"%5\("
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,b("`>/5")5-7/"/4/"/ử+"<+(E"
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,$%M"`51'(:"/4/5":3p+"/4/")BC"%3("/\("%5'3"`b)"5.%"`>/5")5-7/"/4/")v"94FE"
b) Mái dốc th-ợng hạ l-u
s43"VD/")5 (:"50"?-@",$%"V1",3=@"`3y("v(",w(5"<A"/-a(:",X"H@Fb)",w(5M")5-a(:"
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