8" """"""""sổ tay KTTL * Phần 2 - công trình thủy lợi * Tập 1
P&"&C("$ằ&'"*+("*)"AW"040"*2L"07)"05&'"3$6&/"3/7."89("&VZ0"3)"8F"8%+("*2L"1ằ&'"*g3"
*H&'"0/g3B"*M&"&).",-)"1)%"0/J0"&o="8F="N(;0"D/4"3W3B"K&"*R&/T"/\&/"8%+("*2L"*g3"
*H&'"0/g3"*V90"4L"?J&'"3p"8n-"NF"8F="N(;0"D/4"1O&"N]&'"3/|%"3/a("'()&T"yC("0/-&'"D/("
0/E&"3 M&"3/Va&'"0/E&"&/]&'"0/ỗ"0C"3/-&'"8e&'"A5&'"/ẹLB"&O&"=C&'"8F"*4"'W0B""
0C"*(O-"D(;&"1W"3$\"05&'"3$6&/"Q^"8e"NF"0W&'"8g."&VZ0"3/\0/"/9LT"Ug&"*O"0G"1^&"j"*n."8F"
.<-"0P-"1^%"*^="AW"8V9&'"NF"0/g3"8V9&'"*g3"3/\0/"/9L"0e&'"&/V"3/(M3"DM"040"DM3"0g-"
}8E0"&'V90}B"3/%43"&VZ0"/9L"8iT"
"
c) Đập đất đá
LF"8%+("*2L"0C"DM3"0g-"0/W&'"3/g="1ằ&'"8õ("'(])"/%w0"3Va&'"&'/(<&'"0C"N23"8(;-"
}=O=}"8F"8%+("*g3"\3"3/g="&VZ0"/%w0"0[&'"&/V"1<"35&'"0W3"3/éLB"'ỗB"3g="D(="8%+(TTT"C"
3/X"&C("*n."8F"8%+("*2L"0/7".M-"1ằ&'"N23"8(;-"*R)"L/VG&'"NZ("0/(O-"0)%"D/4"8Z&T"y/]&'"
*2L"0)%"&/g3"3/M"'(Z("&C("0/-&'"0/\&/"8F"8%+("*2L"&F."&/V"y-$M0/B"R5'-&"u3$<&"A5&'"
Uắ0"lGB"m(M0"G/("Y(vT"
q2L"f@)"B6&/"8F"*2L"0)%"&/g3"3/M"'(Z("3$<&"&O&"=O="u128"=vT"Q-)"*C"3/g."D/^"
&o&'"Qn."?_&'"*2L"*g3"*4"3$%&'"&/]&'"L/+="N("$>&'"$`(B"DX"0^"&/]&'"*(O-"D(;&"D/ắ0"
&'/(;3"NO"&O&"=C&'B"NO"?x&"?@&'"3/("05&'T"
q2L"*g3"*4"0C"3/X"&ằ="3$%&'"05&'"3$6&/"*P-"=W("NZ("3/7."*(;&"D(X-"8@&'"A5&'"
u#/40" BFvB"3/7."*(;&"D(X-"A)-"*2L"uf%F"B6&/v"/)."3/7."*(;&"D(X-"*Va&'"?x&"uY)8.vT"
#$%&'"3$Va&'"/9L"*P-"3 M&"*2L"3/Va&'"0e&'"8F"3 M&"07)"05&'"3$6&/"*P-"=W(T"#$%&'"
/)("3$Va&'"/9L"A)-"3/6"3 M&"*2L"NF"3 M&"&o&'"8V9&'"3/Va&'"340/"$(<&'B"3 "&/(<&"0e&'"
0C"3/X"'E("3 M&"*2L"8F"3 M&"0/-&'"07)"05&'"3$6&/"*g-"=W(B"&/V"05&'"3$6&/"3/7."*(;&"
q)"y/(="8g."3<&"A5&'"0C"*2L"0/["D/5&'"8g."3<&"07)"A5&'"8F"&G("0C"&/F"=4."3/7."*(;&"
3/4%"&VZ0"$)T"
U(;0"0/E&"3 M&"*2L"NZ("8%+("*2L"*g3"*4"0e&'"'(W&'"&/V"3$%&'"3$Va&'"/9L"NZ("*2L"
*g3"&/V&'".<-"0P-"NO"&O&"=C&'"0C"0)%"/G&"N6"3(ML"'(4L"NZ("8õ("'(])"/%w0"3Va&'"&'/(<&'"
0e&'"&/V"NZ("N23"8(;-"*4"0C"*@("/c("040"0/d"3(<-"&O&"=C&'"3/\0/"/9LT"
y'%F("$)"3/Va&'"*2L"*g3"*4"0C"0/(O-"0)%"D/4"8Z&B"D/W("8V9&'"Qn."?_&'"&/(O-"&<&"
0P&"0/E&"NR"3$\"1^%"*^="D/W("8V9&'"NF"3/a("'()&"3/("05&'"0F&'"\3"0F&'"3/-2&"89(T"ở"*n."
0P&"0/r"i"0^"N(;0"1W"3$\"3 M&"Q^"8e"NF"3 M&"&o&'"8V9&'"*X"0/E&"3 M&"05&'"3$6&/"*P-"
=W("/9L"8i"&/g3B"*+3"*V90"'(4"3/F&/"Qn."?_&'"\3"=F"040".<-"0P-"D/40B"*w0"1(;3"NO")&"
3%F&"K&"*R&/"05&'"3$6&/"*V90"1^%"*^="0)%T"
"
d) Đập bê tông trọng lực
LF"8%+("*2L"1<"35&'"*V90"4L"?J&'"$>&'"$`("3$%&'"&/(O-"*(O-"D(;&"NZ("0/(O-"0)%"
D/40"&/)-T"q2L"1<"35&'"3$E&'"8_0"0)%"&/g3"3/M"'(Z("G$)&?"Y(Q|&0|"u28t=v"*V90"Qn."
?_&'"j"#/J."lkT"
Y%"4L"8_0"07)"*2L"1<"35&'"3$E&'"8_0"8<&"&O&B"&/g3"8F"D/("0/(O-"0)%"07)"*2L"D/4"8Z&"
D/4"32L"3$-&'B"*w0"1(;3"j"0/n&"=4("*2L"/+"8V-"&<&".<-"0P-"&O&"=C&'"8F"8%+("*4"3VG&'"
*W("&' <&"Nẹ&B"0[&'"0/ắ0T"Q-)"3/_0"3M"Qn."?_&'"8%+("*2L"&F."3$<&"3/M"'(Z("3/6"3g3"0^"
A - Những vấn đề chung trong thiết kế công trình thủy lợi 9
040"8%+("*4"'W0"=40"=)B"3$P="3\0/"/)."1(M&"0/g3"*O-"0C"3/X"8F="&O&"=C&'"0/%"8%+("*2L"
&F.T"ở"&/]&'"0/ỗ"=O=".M-"&[3"&ẻ"&/(O-"0C"3/X"0C"&/]&'"QI"8i"3/\0/"/9L"Nx&"1^%"*^="
.<-"0P-"NO"&O&"=C&'T"
m/("0/E&"3 M&"0/%"8%+("*2L"&F.B"&'%F("*(O-"D(;&"*R)"/6&/"0P&"0/r"i"*M&"*(O-"
D(;&"*R)"0/g3"05&'"3$6&/T"P&"0/r"i"0/E&"&/]&'"NR"3$\"0C"8ZL"L/%&'"/%4"=c&'B"&O&"=C&'"
*H&'"&/g3T"y'%F("$)"D/("*w3"3$F&"3$<&"*d&/"*2L"0P&"0/r"i"D/-"N_0"3(<-"&o&'"*X"3(ML"&W("
3/7."8_0"/+"8V-"*V90"3/-2&"89(B"&/g3"8F"3+%"?@&'"0/^."j"L/P&"3/%43"$)"*V90"3/-2&"?@&'T"
qW("NZ("040"05&'"3$6&/"0C"3$F&"Q^"8e"0e&'"&/V"3 M&"&o&'"8V9&'"340/"$(<&'B"*2L"1<"
35&'"3$E&'"8_0"8F"05&'"3$6&/"? "&/g3"&'o&"A5&'"3/6"&<&"0/E&"0/ỗ"3 M&"/ẹLB"&/V&'"0P&"
0/r"i"N(;0"?x&"?@&'"3/("05&'"1ằ&'"&'o&"A5&'"3p&'"*93B"1ằ&'"D<&/B"1ằ&'"/P="As"DM3"/9L"
/)."D/5&'"DM3"/9L"NF%"05&'"3$6&/"*X"0/E&"3 M&"/9L"8iT"C"3/X"0P&",-)"A%"A4&/"=>3"AW"
L/VG&'"4&"1W"3$\"3K&'"3/X"05&'"3$6&/"*X"0/E&"3 M&"/9L"8i"&/g3T"
"
đ) Đập vòm
LF"8%+("*2L"1<"35&'"0C"/6&/"0%&'"*X"AI"?J&'"A[0"3_)"NF%"/)("1a"&/ằ="3o&'"*>"K&"
*R&/"07)"05&'"3$6&/"NF"'(^="N23"8(;-"Qn."?_&'T"Y%"*C".<-"0P-"*R)"0/g3"05&'"3$6&/"j"/)("
1a"D/4"0)%"NF"*R)"/6&/"3/-&'"8e&'"A5&'"/ẹLB"0C"*>"?W0"*W("Q[&'"&/g3"*R&/T"Y%"0C""
V-"N(;3"&/V"N2."&<&"*+("*)"AW"040"*2L"1<"35&'"0)%"u3$<&"180=v"8F"*2L"N@="/%w0"N@="
3$E&'"8_0T"
# "0C".<-"0P-"0)%"NO"&O&"=C&'B"&/g3"8F"j"/)("N)("*2LB"&/V&'"3/_0"3M"Qn."?_&'"
3$<&"3/M"'(Z("0/%"3/g."3g3"0^"040"8%+("*4"?S"&'-H&"'W0"&F%"*O-"0C"3/X"3/(M3"DM"NF"Qn."
?_&'"*2L"N@="8<&"*C"3$%&'"*(O-"D(;&"*R)"/6&/"0/%"L/éLT"qW("NZ("*2L"N@="u3/-P&"3-iv"
3/6"/;"AW"3 M&B"&'/~)"8F"0/(O-"?F("3 M&"3$<&"0/(O-"0)%"07)"*2L"?VZ(" "8F"3/\0/"/9LT"m/("
/;"AW"3 M&" :7"3/6"&<&"?S&'"DM3"0g-"*2L"N@="3$E&'"8_0T"#g3"0^"&/]&'"3/5&'"AW"07)"*2L"
N@="u*>"?F.B"0-&'" 2B" "0/(O-TTTv"3/Va&'"L/^(",-)"3/\"&'/(;="=5"/6&/"0S&'"NZ("&O&"
=C&'"*X"Q40"*R&/T"
m/("0C"*(O-"D(;&"*R)"/6&/"NZ("/;"AW"3 M&"?VZ("!:t"NF"*(O-"D(;&"*R)"0/g3"3VG&'"*W("
*H&'"&/g3"&<&"0/r"i"0/E&"3 M&"*2L"N@="=F"/(;&"&)."*`"0/%"L/éL"3$F&",-)"*d&/"*2L"
NZ("8V-"8V9&'"D/4"8Z&B"&/F"=4."A)-"*2L"u3_)"*2Lv"NZ("05&'"A-g3"D/4"0)%B"*H&'"3/a("1^%"
*^="*>")&"3%F&"K&"*R&/"8Z&"/G&"A%"NZ("040"8%+("*2L"D/40B"*w0"1(;3"3$%&'"*(O-"D(;&"0C"
*>&'"*g3"=+&/T"
"
e) Đập trụ chống, đập liên vòm
LF"8%+("*2L"3/Va&'"1ằ&'"1<"35&'"0C"3$J"*ỡ"040"3g="1<"35&'"0W3"3/éL"3+%"3/F&/"=w3"
0/R-"4LT"#$Va&'"/9L"DM3"0g-"0/R-"4L"0C"3g="/6&/"0%&'"3/6"*C"8F"*2L"8(<&"N@=T"
q2L"3$J"0/W&'B"8(<&"N@="0C"3(M3"D(;="*V90"N23"8(;-"1<"35&'"&/V&'"DM3"0g-"L/[0"
3+LB"0W3"3/éL"&/(O-B".<-"0P-"&O&"=C&'"0)%"&<&"3/Va&'"4L"?J&'"0/%"0/(O-"0)%"*2L"?VZ("
100=T"L%+("*2L"&F."D/C"0/%"3$F&",-)"*d&/"*2LB"3/("05&'"D/C"D/o&"&<&"\3"L/K"1(M&"/G&"
&/]&'"8%+("*2L"D/40T"
!0" """"""""sổ tay KTTL * Phần 2 - công trình thủy lợi * Tập 1
ở"&VZ0"3)"?%"*(O-"D(;&"3/Va&'"0C"8e"8Z&B"8ZL"L/%&'"/%4"?F.B"3$(X&"NE&'"4L"?J&'"
8%+("*2L"&F."D/5&'"&/(O-B"3 "&/(<&"D/("0C"*(O-"D(;&"Nx&"0P&"Q|="Qé3"*X"'(^="D/W("
8V9&'"1<"35&'"NF"'(4"3/F&/"A%"NZ("*2L"3$E&'"8_0T"
"
g) Các loại đập khác
"
40"8%+("*2L"D/40"&/V"&/]&'"*2L"&/c"1ằ&'"0n."'ỗB"$E"*4B"*4"Qn.B"*4"QMLTTT"/%w0"
/ỗ&"/9L"NZ("040"8%+("N23"8(;-"Np)"&<-"3$<&"3/Va&'"8F"8%+("*2L"3/gLB"?F(T"# M&"*2L"3$%&'"
3$Va&'"/9L"&F."3/Va&'"L/J"3/->0"NF%"*(O-"D(;&"*R)"/6&/"8@&'"A5&'"0e&'"&/V"&O&"=C&'"
NF"3/7."No&B"&/g3"8F"D/^"&o&'"3/%43"8eT"
yC("0/-&'"?S"8F"8%+("*2L"'6"3/6"0e&'"0P&",-)"A%"A4&/"D(&/"3M"Dk"3/-23"=>3"AW"
L/VG&'"4&"3 M&"NF"*("An-"?P&"*X"0J="8+("3p"L/+="N("$>&'"uNS&'B"*%+&v"*M&"/ẹL"u3 M&v"
NF"0-W("0S&'"0/E&"*V90"3(="3 M&"0C"89("&/g3T"qn."8F",-4"3$6&/"0/-h&"Q40"/%4"?_)"3$<&"
3F("8(;-"D/^%"A43"NF"&'/(<&"0[-"3\&/"3%4&"*P."*7T"P&",-)"=5"/6&/"N23"8i"NF"3/7."8_0"*X"
D(X="0/[&'"NF"Q40"*R&/"NR"3$\"0e&'"&/V"DM3"0g-"NF"D\0/"3/VZ0"07)"05&'"3$6&/B"&/g3"8F"*W("
NZ("*2LB"3/Va&'"8F"05&'"3$6&/"0/R-"8_0"07)"*P-"=W("3/7."89(":"3/7."*(;&B"*w0"1(;3"*W("NZ("
*2L"8Z&T"
"
"
2.1.4. Tuyến công trình xả lũ
a) Công trình xả lũ
"
#/Va&'"L/^("0C"3$%&'"/;"3/W&'"*P-"=W("3/7."89("3/7."*(;&"*X"3/4%"8e"D/5&'"0/%"
&VZ0"3$F&",-)"*d&/"*2L"?S"8F"*2L"1ằ&'"1g3"0["8%+("N23"8(;-"'6B"/6&/"3/[0"&F%B"3$p"&/]&'"
*2L"3$F&"A_"0W"D/("3/(M3"DM"0/%"L/éL"8e"8Z&"*>3"Q-g3"3$F&",-)B"3/2="0/\"0/%"QC("*("&<&"
0@&"'E("8F"*2L"QC("u0P-"0/6vT"
5&'"3$6&/"Q^"8e"3/Va&'"1ằ&'"1<"35&'"NZ("/6&/"3/[0"3$F&"=w3B"3/4%"An-"/)."Q^"An-B"
0C"0I)"N)&"/%w0"D/5&'T"l)-"=w3"3$F&"8F"?W0"&VZ0"NF"0-W("0S&'"8F"DM3"0g-"3(<-"&o&'T"mM3"
0g-"3(<-"&o&'"0C"3/X"8F"=e("L/C&'"&VZ0"Q-W&'"/W"3(<-"&o&'B"'(M&'":"1X"3(<-"&o&'"/%w0"
&M-"&O&"=C&'"*4B"8V-"8V9&'"&/c"?S&'"}3(<-"&o&'"3_"&/(<&}TTT"
#/Va&'"05&'"3$6&/"Q^"8e"8F"=>3"/;"3/W&'"040"/+&'"=J0"NF""DM3"0g-"05&'"3$6&/"D/4"
L/[0"3+LB"0C"=>3"3 M&"05&'"3$6&/"Q^"8e"$(<&'"j"1<&"3$<&"*2LB"1<&"0+&/"*2LB"340/"$(<&'"
/%F&"3%F&"D/c("*2L"0/\&/T"y/V"N2."/6&/"3/[0"3 M&"05&'"3$6&/"Q^"8e"D/40"NZ("3 M&"*2LB"
&'/~)"8F"D/40"NZ("3 M&"05&'"3$6&/"*P-"=W(T"
# "&/(<&B"NZ("3$Va&'"/9L"3$F&"3$<&"*d&/"*2L"/%w0"3$F&"1<&"0+&/"*2L"3/6"3 M&"
05&'"3$6&/"Q^"8e"0e&'"3$S&'"NZ("3 M&"*2L"/%w0"3 M&"05&'"3$6&/"*P-"=W(T"q)"AW"040"
05&'"3$6&/"3/7."*(;&"j"&VZ0"3)"0C"05&'"3$6&/"Q^"8e"3/->0"8%+("&F.T"
"
b) Tràn trên đỉnh đập
"
#$F&"Q^"8e"3$<&"*d&/"*2L"3/Va&'"*V90"4L"?J&'"NZ("DM3"0g-"*2L"1<"35&'"3$E&'"8_0B"
*2L"N@="3$E&'"8_0T"e&'"0C"3$Va&'"/9L"3$F&"3$<&"*d&/"*2L"N@=B"*2L"3$J"0/W&'"3/gLT"
A - Những vấn đề chung trong thiết kế công trình thủy lợi !1
# M&"3$F&"3$%&'"3$Va&'"/9L"&/V"N2."0e&'"8F"3 M&"*2LT"# M&"j"*n."8F"}3 M&"
&')&'}T"@&"3 M&"3/|%"&'/~)"}=w3"0ắ3"?E0}"3/6"3/Va&'"3/z&'"'C0"NZ("3 M&"*2LT"
qW("NZ("*2L"1<"35&'"3$E&'"8_0"?%"=4("*2L"/+"8V-"3VG&'"*W("3/%^("&<&"0C"3/X"DM3"
/9L"3/F&/"}=4("3$F&}"=F"L/\)"*-5("=4("8F"=e("L/C&'"/%w0"DM3"0g-"3(<-"&o&'T"#$%&'"*(O-"
D(;&"&VZ0"3)"?%"8e"8Z&"NF"32L"3$-&'"&<&"*2L"1<"35&'"3$E&'"8_0"0C"3/X"8F"3/\0/"/9L"D/("0/%"
3$F&",-)"*d&/"*2L"NZ("8V-"8V9&'"*G&"NR"3VG&'"*W("8Z&T"#$%&'"3$Va&'"/9L"&/V"N2."3/6"
0/E&"3 M&"*2L"0e&'"*H&'"3/a("8F"3 M&"3$F&"Q^"8eB"0/d"0P&"0/r"i"*(O-"D(;&"?@&'"0/^."
A)-"1>"L/2&"3(<-"&o&'"0/%"3/-2&"89(T"
"
c) Tràn bên
"
#$F&"Q^"8e"1<&"0+&/"*2L"3/Va&'"*V90"4L"?J&'"*W("NZ("*2L"1ằ&'"N23"8(;-"*R)"
L/VG&'"NF"0C"*(O-"D(;&"*R)"/6&/"3+%"3 M&"3$F&"Q^"8e"&')."A43"*2L"*X"'(^="D/W("8V9&'"
*F%"*g3"*4T"#$%&'"3$Va&'"/9L"&F."3 M&"*2L"3/z&'"/F&'"u/%w0"?VZ("=>3"'C0"$>&'v""
NZ("3 M&"3$F&T"#$F&"1<&"0e&'"*V90"4L"?J&'"NZ("040"8%+("*2L"1<"35&'"D/5&'"0/%"3$F&""
,-)"*d&/T"
f6&/"3/[0"&'Vỡ&'"3$F&"0C"3/X"8F"3/_0"?J&'B"0/n&"D/5&'B"*d&/"$>&'T"l)-"*C"3/Va&'"
8F"?W0"&VZ0"NF"0-W("0S&'"8F"1>"L/2&"3(<-"&o&'T"Ug&"*O"j"*n."8F"0P&"0/E&"3 M&"?E0"07)"
05&'"3$6&/"Q^"8e"Np)"'(^="*V90"D/W("8V9&'"Qn."?_&'B"Np)"1^%"*^="1>"L/2&"3(<-"&o&'"
0e&'"&/V"?@&'"0/^."$)"3/-2&"89(T"
5&'"3$6&/"3$F&"1<&"07)"*2L"f%F"B6&/"/(;&"&)."8F"8%+("0C"8V-"8V9&'"*G&"NR"8Z&"
&/g3"3/M"'(Z(T"# "&/(<&"?%"=-W&"'(^="8V-"8V9&'"*G&"NR"*`"3/(M3"DM"3 M&"=e("L/C&'"
Q(<&"'C0"8F="&VZ0",-h&"NF%"0/n&"*2LT"l)-"3/(M3"DM"3/<="}$o&'"D/X&/}"*X"84("?@&'"0/^."
NO"L/\)"1a"3$4(B"'(^="?@&'",-h&"NF%"0/n&"*2L"*g3"*4"0e&'"&/V"L/^("Qn."?_&'"3/<="
3Va&'"84("?@&'"1a"L/^(T"
m/("0/E&"3 M&"?E0"05&'"3$6&/"Q^"8e"1<&"0+&/"*2L"0P&"0/r"i"8F="3/M"&F%"*X"'(^="
*V90"0/(O-"0)%"NF"D/W("8V9&'"3Va&'"&'o&"'(])"*2L"NF"3$F&T"
"
d) Xả sâu
"
X^"An-"8F"05&'"3$6&/"3/4%"8e"&ằ="An-"?VZ("=_0"&VZ0"?n&'"16&/"3/Va&'"NZ("/6&/"
3/[0"0W&'"*V90"0/ắ&"1j("0I)"N)&"0/R-"4L"8_0"0)%T"L%+("05&'"3$6&/"&F."*V90"4L"?J&'"D/("
L/^("Q^"=>3"8V-"8V9&'"NZ("0)%"3$6&/"0I)"Q^"&ằ="An-"?VZ("=[0"&VZ0"3/V9&'"8V-"3/Va&'"
4L"?J&'"j"05&'"3$6&/"*P-"=W("3/7."89(":"3/7."*(;&"0C".<-"0P-"?-&'"3\0/"/]-"\0/"DM3"/9L"
NZ("?-&'"3\0/"0/W&'"8e"0/%"/+"?-"&/V"j"05&'"3$6&/"f%F"B6&/T"5&'"3$6&/"3/7."89(":"3/7."
*(;&"8Z&"&/g3"3/M"'(Z("/(;&"&)."8F"05&'"3$6&/"#)="f(;L"3$<&"A5&'"#$Va&'"G()&'"j"#$-&'"
Q-W0"0e&'"0C"05&'"3$6&/"Q^"An-T"
5&'"3$6&/"Q^"An-"3/Va&'"*V90"3/(M3"DM"3$%&'"*2L"1<"35&'"3$E&'"8_0"u#)="f(;Lv"
/%w0"*2L"3$F&"1<"35&'"uf%F"B6&/v"=F"L/\)"3$<&"8F"040"0I)"N)&"Q^"3$F&B"L/\)"?VZ("8F"040"
0I)"N)&"07)"0W&'"Q^"An-T"
!2" """"""""sổ tay KTTL * Phần 2 - công trình thủy lợi * Tập 1
5&'"3$6&/"Q^"An-"?%"L/^("3/4%"8e"3$%&'"*(O-"D(;&"=_0"&VZ0"3/V9&'"8V-"0)%"'n."
4L"8_0"NF%"0I)"&<&"N2&"/F&/"L/[0"3+LB"0P&"0C"8-2&"0/[&'"*P."*7T"# M&"05&'"3$6&/"Q^"
An-"3/Va&'"3$S&'"NZ("3 M&"3$F&"Q^"8eT"
ở
"05&'"3$6&/"f%F"B6&/"*V90"'E("0/-&'"8F"05&'"
3$6&/"Q^"8e"N2&"/F&/T"
"
đ) Các loại công trình xả lũ khác
"
40"8%+("05&'"3$6&/"Q^"8e"D/40"1)%"'H="040"05&'"3$6&/"Q^"8e"$(<&'"1(;3"340/"D/c("
05&'"3$6&/"*P-"=W("u05&'"3$6&/"#/40"MGB"U~&/"lG&B"fF="#/-2&B"P/r"y(&/TTTv"0e&'"&/V"
05&'"3$6&/"Q^"8e"?_"L/@&'B"8e"A_"0WB"8e"*>3"Q-g3TTT"
40"05&'"3$6&/"Q^"8e"8%+("&F."3/Va&'"*V90"89("?J&'"040"}|%}"*H(B"&r("*X"'(^="
D/W("8V9&'"*F%"*g3"*4T"y'%F("$)"L/P&"0-W("07)"05&'"3$6&/"L/^("1^%"*^="0C"3(<-"&o&'"
3/-2&"89("0e&'"&/V"?@&'"0/^."}<=}"NF%"/9L"8V-"NZ("A5&'"A-W("3/(<&"&/(<&T"
# M&"07)"040"05&'"3$6&/"Q^"8e"8%+("&F."L/J"3/->0"NF%"*(O-"D(;&"*R)"/6&/B"*R)"
0/g3B"3/7."No&B"?n&"0V"j"?E0"3 M&"0e&'"&/V"j"/+"8V-"3 M&"&M-"8V-"8V9&'"Q^",-)"05&'"
3$6&/"3VG&'"*W("8Z&T"
40"&'Vỡ&'"Q^"07)"05&'"3$6&/"0C"3/X"0C"/%w0"D/5&'"0C"0I)"N)&"u0@&"'E("8F"3$F&"
}3_"*>&'}vT"
yC("0/-&'"3$F&"Q^"8e"8F"05&'"3$6&/"L/[0"3+L"NF"0/("L/\"3VG&'"*W("8Z&B"&/g3"8F"D/("
340/"D/c("*2L"0/\&/"&<&"N(;0"0/E&"3 M&"Q^"8e"L/^("*V90",-)"A%"A4&/"0/d"3(<-"D(&/"3M"Dk"
3/-23"*P."*7"3VG&'"[&'"NZ("3p&'"'()("*%+&"3/(M3"DM"05&'"3$6&/"NF"j"'()("*%+&"3/(M3"DM"0J"
3/X"0P&"0C"=5"/6&/"3/7."8_0"3%F&"3 M&"*W("NZ("05&'"3$6&/"3VG&'"*W("8Z&"*X"Q40"*R&/"040"
3/5&'"AW"NF"040"D\0/"3/VZ0"0J"3/XT"
"
2.1.5. Tuyến năng l-ợng
a) Tuyến năng l"ợng
"
#S."3/|%"D(X-"8%+("05&'"3$6&/"3/7."*(;&"=F"0C"040"/+&'"=J0"D/40"&/)-T"qG&"'(^&"
&/g3"8F"3/7."*(;&"D(X-"8@&'"A5&'"3/Va&'"0C"3 M&"&o&'"8V9&'"&'ắ&"1)%"'H="0I)"8g."
&VZ0B"W&'"?x&"&VZ0B"'()&"=4."3/7."*(;&B"D<&/"$)"DM3"/9L"8+("3/F&/"=>3"05&'"3$6&/"8F"
&/F"=4."3/7."*(;&T"P/[0"3+L"&/g3"3/Va&'"8F"3/7."*(;&"D(X-"*Va&'"?x&"?F("1)%"'H="0I)"
&/2&"&VZ0B"*Va&'"?x&"&VZ0"0C"4L"/%w0"D/5&'"4LB"1X"4L"8_0"D/("*Va&'"?x&"&VZ0"D/5&'"
4LB"'(M&'"/%w0"3/4L"*(O-"4L"D/("*Va&'"/P="?x&"&VZ0"0C"4LB"W&'"4L"8_0B"'()&"=4.B"
*Va&'"?x&"&VZ0"NF"D<&/"$)T"
# M&"?E0"07)"/;"3/W&'"&o&'"8V9&'"?%"*C"*V90"0/E&"A)%"0/%"0C"D/W("8V9&'"NF"
0/("L/\"Qn."?_&'"&/c"&/V&'"040"0/d"3(<-"&o&'"8V9&'"8+("8Z&T"#/5&'"3/Va&'"L/^(",-)"
&'/(<&"0[-"3\&/"3%4&"D(&/"3M"Dk"3/-23"3/|%"3p&'"1VZ0"0C"A%"A4&/"&/(O-"L/VG&'"4&"3 M&T"
lG"1>"0C"3/X"3/g."3$%&'"&/]&'"*(O-"D(;&"3 M&"&o&'"8V9&'"&F%"&'ắ&"3/6"0C"0/d"3(<-"D(&/"
3M"3F("0/\&/"3W3"/G&T"# "&/(<&"?%"3\&/"0/g3"L/[0"3+L"07)"3 M&"&o&'"8V9&'"NZ("040"?+&'"
05&'"340"D/40"&/)-"3p"*ắL"*F%"&'P="/)."/jB"1<"35&'"&'P="/)."/jB"W&'"4L"8_0"1ằ&'"
3/éL"/)."1ằ&'"040"N23"8(;-"D/40B"'()&"=4.B"*Va&'"?x&"&VZ0"$)"0e&'"N2.TTT"&<&"0P&"D/^%"
A43B"3\&/"3%4&"0J"3/X"3/|%"3p&'"'()("*%+&"*X"0/E&"*V90"L/VG&'"4&"/9L"8i"&/g3T"
A - Những vấn đề chung trong thiết kế công trình thủy lợi !
b) Tuyến thủy điện kiểu lòng sông
# M&"?E0"3/7."*(;&"D(X-"8@&'"A5&'"*V90"Q40"*R&/"3$%&'"3K&'"3/X"3 M&"05&'"
3$6&/"*P-"=W("3/Va&'"?%"1W"3$\"&/F"=4."3/7."*(;&"j"3$%&'"/;"3/W&'"05&'"3$6&/"A)%"0/%"
3/-2&"89("&/g3T"Y%"05&'"3$6&/"3$F&"Q^"8e"0C"8V-"8V9&'"8Z&"/G&"&<&"1W"3$\"j"'(])"8@&'"
A5&'B"0@&"&/F"=4."3/7."*(;&"0C"3/X"1W"3$\"/%w0"1<&"1a"L/^("/%w0"1<&"1a"3$4("0/7".M-"
&G("&F%"3/-2&"89("*W("NZ("'()%"3/5&'"N2&"3^(T"y/F"=4."3/7."*(;&"D(X-"8@&'"A5&'"3/Va&'"
0C"0>3"&VZ0"3/gLB"3/(M3"1R"&w&'"NZ("040"0g-"D(;&"3VG&'"*W("8Z&"uA(<-"3$Va&'"A(<-"3$E&'v"
&<&"Ng&"*O"'()%"3/5&'"N2&"0/ X&"0P&"0/r"iT"
"
c) Tuyến thủy điện kiểu sau đập
# M&"?E0"3/7."*(;&"D(X-"A)-"*2L"L/J"3/->0"*2L"0/\&/"&'o&"A5&'"8F"8%+("*2L"'6B"N6"
*2L"1ằ&'"N23"8(;-"*R)"L/VG&'"D/C"DM3"/9L"1W"3$\"05&'"3$6&/"8g."&VZ0"NF"*Va&'"?x&"&VZ0"
&<&"3 M&"?E0"07)"3/7."*(;&"*V90"Q|="Qé3"1W"3$\"$(<&'"1<&"0+&/"/)."340/"/z&"D/c("
3 M&"*2LT"U(;0"1W"3$\"&F."0C"8(<&",-)&"0/7".M-"*M&"3 M&"&o&'"8V9&'"?F("/)."&'ắ&"?%"
*(O-"D(;&"*R)"/6&/B"*R)"0/g3"0J"3/X"07)"NS&'"05&'"3$6&/"*P-"=W("0/("L/W(T"
5&'"3$6&/"3/7."*(;&"D(X-"A)-"*2L"NZ("*2L"1<"35&'"3/Va&'"0C"*Va&'"?x&"D/5&'"?F("
N6"0/7".M-"32&"?J&'"0>3"&VZ0"?%"*2L"NF"0C"3/X"DM3"/9L"8F="3 M&"?x&"&VZ0"3$%&'"3/n&"
*2LB"&/F"=4."j"8(O&"0/n&"/+"8V-"*2LB"8F="0/%"*P-"=W("D/4"}'E&}"NF"D(&/"3MT"#$%&'"
3$Va&'"/9L"3$F&"3$<&"*d&/"NF"&C0"&/F"=4."3/6"3/_0"3M"3 M&"?E0"*2LB"05&'"3$6&/"Q^"8e"NF"
&o&'"8V9&'"3$S&'"&/)-T"
"
d) Tuyến thủy điện kiểu đ"ờng dẫn
# M&"?E0"07)"3/7."*(;&"D(X-"*Va&'"?x&"3/Va&'"$g3"?F("NF"'`."D/r0"N6"\3"D/("1W"
3$\"*V90"0^"/;"3/W&'"&o&'"8V9&'"3/F&/"=>3"*Va&'"3/z&'T"y/V"N2."3K&"3/g3"3/7."8_0"0C"
3o&'"8<&"&/V&'"Nx&"D(&/"3M"/G&"N6"3K&"3/g3"*C"3/Va&'"D/5&'"8Z&"A%"NZ("D/("L/^("}&ắ&"
3/z&'}"3%F&"3 M&"&o&'"8V9&'B"0/("L/\"3o&'"8<&"$g3"&/(O-T"
Y%"*C"3 M&"&o&'"8V9&'"3/Va&'"0/E&"3-{"3/|%"3p&'"*%+&"05&'"3$6&/"/9L"8i"u/+&'"
=J0"05&'"3$6&/v"&/V"D<&/"NF%"NF"0I)"8g."&VZ0B"*Va&'"?x&"&VZ0"NF"05&'"3$6&/"*(O-"4LB"
*Va&'"W&'"4L"8_0"NF"&/F"=4.B"*Va&'"?x&"&VZ0"NF"D<&/"$)T"#$%&'"040"/+&'"=J0"3$<&"3/6"
*Va&'"?x&"&VZ0"NF"W&'"4L"8_0"3/Va&'"0/(M="=>3"0/("L/\"*4&'"DX"&<&"*V90"Q|="Qé3"}V-"
3(<&}B"8F="3/M"&F%"*X"0C"0/(O-"?F("&'ắ&"&/g3B"*w0"1(;3"8F"W&'"4L"8_0T"
"
"
2.1.6. Tuyến công trình ngăn mặn
/E&"NR"3$\"3 M&"0W&'"L/^("3/|%"040"&' <&"3ắ0"A)-"*X"*4L"[&'"040".<-"0P-"D(&/"
3M"Dk"3/-23:"
:""W&'"L/^("8F"&G("D/W&'"0/M"*V90"NS&'"82L"?_"4&T"
:"Y@&'"0/^."NF%"NF"$)"D/c("0W&'"3/-2&B"&'/~)"8F"\3"8F="3/)."/VZ&'"0/^."07)"?@&'"
A5&'B"D<&/"3_"&/(<&"*X"D/5&'"'n."?(ễ&"1(M&"QC("1a"j"/+"8V-"NF"3/V9&'"8V-"D/("3/4%"NF"
D/("8g."&VZ0T"
!!" """"""""sổ tay KTTL * Phần 2 - công trình thủy lợi * Tập 1
:"yM-"*w3"0W&'"3$%&'"8@&'"A5&'"3/6"D/5&'"*V90"*w3"j"*%+&"A5&'"0%&'"=F"L/^("*w3"j"
*%+&"A5&'"3/z&'"NF"D/5&'"&<&"*w3"0W&'"j"*%+&"A5&'"/ẹL"NF"An-B"&<&"*w3"j"*%+&"0C"8@&'"
A5&'"$>&'"3$-&'"16&/"NF"*>"An-"Np)"L/^(T"#$Va&'"/9L"0W&'"*w3"3$%&'"8@&'"A5&'"3/6"L/^("
3/("05&'"0-W&"0/(M-B"*ắL"*<",-)("/)."*C&'"0p"Nn."=>3"&I)"NF"8F="D/5"*X"3/("05&'"=>3"
&I)"0W&'"j"=>3"L/\)B"L/\)"0@&"8+("3/%43"8e"3/("05&'T"l)-"*C"3/4%"8e"3/("05&'",-)"L/P&"
0W&'"*`"Qn."NF"3/("05&'"3(ML"L/P&"0W&'"0@&"8+(T"
:"yM-"*w3"0W&'"3$<&"1a"3/6"0/E&"=>3"*%+&"A5&'"0%&'"*X"?x&"?@&'"3/("05&'"*F%"/W"
=C&'"D/5"3$<&"1`("1a"1H(T"m/("Qn."Q%&'"0W&'"3/6"*F%"D<&/"&W("/)("*P-"0W&'"NZ("A5&'"NF"
*ắL"*2L"&'o&"A5&'T"
"
"
Hình 2-1. Thi công công trình cống ngăn mặn trên bãi
1:"0W&';""" 2:"*2L"&'o&"=w&;""
:"D<&/"?x&"NF%;""!:"D<&/"?x&"$)T"
"
"
ở *H&'"1ằ&'"A5&'"I-"L%&'B"L/P&"8Z&"A5&'"$+0/"3/z&'"/P-"&/V"D/5&'"0C"D/r0"
D/-b-"3/6"N(;0"Qn."0W&'"3$<&"D<&/"&<&"*w3"3$<&"8@&'"A5&'"*X"*^="1^%"?@&'"0/^."3/-2&"
NF"0^&/",-)&"=5("3$Va&'B"8r0"*C"L/^("*F%"D<&/"?x&"?@&'"3/("05&'T""
:"# "j"*H&'"1ằ&'"NS&'"N|&"1(X&"3/Va&'"0C"*R)"0/g3"'P&"'(W&'"&/)-"&/V&'"0J0"1>"
Nx&"0C"&/]&'"0/ỗ".M-"/G&B"&<&"NR"3$\"0W&'"L/^("3$4&/"040"0/ỗ"*CT
"
:"UR"3$\"0W&'"0e&'"D/5&'"&<&"*w3"j"&/]&'"NS&'"0C"?n&"0V"*5&'"*r0"L/^("'(^("
L/C&'"=w3"1ằ&'"NF"*(O-"D(;&"3/("05&'"D/5&'"3/-2&"89(T"
A - Những vấn đề chung trong thiết kế công trình thủy lợi !t
2.1.7. Một số vấn đề chung về chọn tuyến
a) Việc chọn tuyến
"
U(;0"0/E&"3 M&"07)"05&'"3$6&/"*P-"=W("3/7."89(":"3/7."*(;&"8F"=>3"}05&'"*%+&}"
3$%&'",-4"3$6&/"D/^%"A43"3/(M3"DM"Q <&"A-W3"3p"'()("*%+&"3(O&"3/(M3"DM"u, "/%+0/B"
&'/(<&"0[-"#(O&"D/^"3/(B"&'/(<&"0[-"m/^"3/(v"*M&"3/(M3"DMB"82L"1^&"Ns"3/("05&'T"m/n-"
}340"&'/(;L}"0/ <&"&'F&/"&F."*V90"/%F&"3/(;&"?P&",-)"040"1VZ0B"'()("*%+&"&'/(<&"0[-"
3/(M3"DMT"
C"3/X"&C("*n."8F"=>3"D/n-"0C"3\&/"0/g3"&'/;"3/-23"NF"A4&'"3+%"N6"040"05&'"3$6&/"
3/7."89(":"3/7."*(;&"D/C"=F"3/|%"=>3"}*R&/"/6&/}"/)."=>3"3/(M3"DM"=x-"&F%B"DX"0^"3$%&'"
N(;0"0/E&"3 M&"05&'"3$6&/T"yC"8+("8F"D/n-"0/("L/W("D/4"&/(O-"*M&"3/a("'()&"NF"'(4"3/F&/"
*P-"3V"0e&'"&/V"0/g3"8V9&'"05&'"3$6&/"&<&"0P&"/E0"/c(B"*r0"$r3"D(&/"&'/(;="NF"3K&'"DM3"
3$%&'"Ng&"*O"&F.T"
"
b) Tuyến dọc
"
40"3 M&"?E0"07)"/+&'"=J0"05&'"3$6&/"&/V"*2LB"3$F&"Q^"8eB"0W&'"3/7."89(B"3 M&"
&o&'"8V9&'"*V90"0J"3/X",-)"1W"3$\"3K&'"3/X"05&'"3$6&/"*P-"=W(B"3/Va&'"3/z&'"'C0"NZ("
3 M&"0/-&'"u3 M&"&')&'"3%F&"?(;&vT"40"3 M&"&F."0e&'"0P&"1W"3$\"0/%"3/23"/9L"8iB"
3$%&'"*C"8F="3/M"&F%"*X"3/7."8_0"}*P-"NF%}"NF"}*P-"$)}"*V90"3/-2&"89("&/g3B"*H&'"3/a("
'(4"3/F&/"*P-"3V"Qn."?_&'"8F"\3"&/g3"3$%&'"D/("Nx&"1^%"*^="040"&/(;="NJ"NF"3/5&'"AW"
0/7".M-"07)"05&'"3$6&/"*P-"=W(T"
"
c) Các điều kiện địa hình, địa chất, thủy văn, thi công, môi tr"ờng sinh thái dân sinh
xã hội"0C"^&/"/Vj&'"3$_0"3(ML"NF"8F"0G"Aj"1)&"*P-"*X"Q|="Qé3"&'/(<&"0[-"3\&/"3%4&"N(;0"
A%"A4&/"NF"0/E&"8_)"3 M&"05&'"3$6&/"*P-"=W("NF"040"/+&'"=J0"05&'"3$6&/T"P&"0C""
*O"0VG&'"0J"3/X"3$%&'"3p&'"'()("*%+&B"3p&'"1VZ0"&'/(<&"0[-"3\&/"3%4&"*X"3/-"3/2L"NZ("
=[0"3W("3/(X-"040"0/d"3(<-B"AW"8(;-"&/ằ="'(rL"0/%"N(;0"A%"0/E&"3 M&"*V90"3/-2&"89(B"
0/-h&"Q40T"
YS"3$Va&'"/9L"&F%"3/6"0e&'"0P&"0C"D/^%"A43"3K&'"/9L"j"3/_0"*R)"NZ("L/VG&'"0/n="
}3$o="&'/|"D/5&'"1ằ&'"=>3"3/g.}"*X"D(X="3$)"0/-&'"&/]&'"AW"8(;-"3/-"3/2L"NF"8F"0G"Aj"
*X"82L"*O"0VG&'"05&'"N(;0"0P&"8F="0/%"1VZ0"A)-T"
"
d)"#/Va&'"*(O-"D(;&"*R)"/6&/"0C"i"&'/~)"0/("L/W("8Z&"*W("NZ("N(;0"0/E&"3 M&B"3$%&'"D/("
*(O-"D(;&"*R)"0/g3B"3/7."No&B"=5("3$Va&'"A(&/"3/4(B"3/("05&'B"N2&"/F&/TTT"3$%&'"=>3"NS&'"
3 M&"3/Va&'"3VG&'"3_"&/)-T"
m/("AG"1>"0/E&"3 M&"0P&"0/r"i"&')."*M&"N(;0"1W"3$\"05&'"3$6&/"0J"3/X"3$%&'"3%F&"
1>"05&'"3$6&/"*P-"=W(B"DX"0^"N(;0"?x&"?@&'"3/("05&'"u3/Va&'"*W("NZ("*(O-"D(;&"8e"8Z&"j"
&VZ0"3)B"0C"^&/"/Vj&'"*4&'"DX"*M&"1W"3$\"05&'"3$6&/"0/-&'"0e&'"&/V"'(4"3/F&/"Qn."
?_&'vT"y/V"N2."3$<&"0G"Aj"3F("8(;-"*R)"/6&/B"*R)"0/g3B"3/7."No&"0P&"}L/40"/%+}"1W"3$\"3K&'"
3/X"05&'"3$6&/"1ằ&'"040/"}AắL"QML}"040"/+&'"=J0"05&'"3$6&/T"
!6" """"""""sổ tay KTTL * Phần 2 - công trình thủy lợi * Tập 1
đ)"YS"/;"3/W&'"05&'"3$6&/"3/7."89(":"3/7."*(;&"8%+("&F%"3/6"*2L"0/\&/"&'o&"A5&'"Nx&"8F"
/+&'"=J0"05&'"3$6&/"0/7".M-B"0/("L/W("040"/+&'"=J0"05&'"3$6&/"D/40T"Y%"*C"8%+("*2L"0C"
i"&'/~)"8Z&"3$%&'"N(;0"0/E&"3 M&"NF"=ỗ("8%+("*2L"3/Va&'"0C"3K"/9L"040"05&'"3$6&/"*("
3/|%B"&<&"0P&"0C"0/7"*R&/"$õ"$F&'"D/("0/E&"3 M&"3p"8r0"AG"1>"Q40"*R&/"NS&'"3 M&T"
y')."8r0"*C"0e&'"*`"L/^("0/E&"3 M&"*+("?(;&"*("NZ("8%+("*2L"0/\&/"&'o&"A5&'"=>3"040/"
0C"0G"Aj"D(&/"3M"Dk"3/-23T"
U6"N2."8%+("*2L"0/\&/"&'o&"A5&'"3/Va&'"8F"}0/7"*O}"0/%"N(;0"0/E&"3 M&T"L%+("
*2L"&F."?%"&/]&'"*(O-"D(;&"3/(<&"&/(<&"&/V"*R)"/6&/B"*R)"0/g3B"3/7."No&B"N23"8(;-"Qn."
?_&'TTT"0/("L/W(B"0e&'"&/V"?%"&/]&'"*(O-"D(;&"=5("3$Va&'"A(&/"3/4(B"05&'"&'/;"Qn."
?_&'B"D(&/"3M"3F("0/\&/"340"*>&'T"#g3"&/(<&"0P&",-)"A%"A4&/"D(&/"3M"Dk"3/-23"0J"3/X"
&/V&'"*W("NZ("}0/ <&"'()}"0e&'"0P&"0C"&/]&'"}0^="&/2&}"3$_0"'(40",-)"&/(O-"D(&/"
&'/(;="8i"8-2&"NF"3/_0"3(ễ&"'(rL"*R&/"/VZ&'"NF"*R&/"8V9&'"*r&'"*ắ&B"'(^="*V90"3/a("
'()&"NF"0/("L/\"D/^%"A43B"3\&/"3%4&"0e&'"&/V"0/g3"8V9&'"?_"4&"*V90"1^%"*^="j"=[0""
0)%"&/g3T"
"
"
"
2.2. Bố trí tổng thể công trình đầu mối
2.2.1. Những nguyên tắc chung
a) Điều kiện cơ sở
"
Y%"040"05&'"3$6&/"*P-"=W("3/7."*(;&""3/7."89("0C"&/(;="NJ"D/)("3/40"AI"?J&'"
3K&'"/9L"&'-H&"3F("&' <&"&VZ0"*H&'"3/a("L/^("1^%"N;"&'-H&"&VZ0"8n-"?F(B"0ắ3"'(^="8e"
0/%"L/\)"/+"8V-"&<&"3$%&'"3/F&/"L/P&"05&'"3$6&/"*P-"=W("&'%F("&/]&'"05&'"3$6&/"
3/7."05&'"0/-&'"&/V"*2LB"3$F&"Q^"8e"0@&"0C"040"05&'"3$6&/"0/ <&"&'F&/"&/V"0W&'"
8g."&VZ0"*X"0-&'"0gL"&VZ0B"&/F"=4."3/7."*(;&B"n-"3F-"/)."05&'"3$6&/"&n&'"3F-B"05&'"
3$6&/"0/ X&"3^(B"05&'"3$6&/"0/ X&"04B"05&'"3$6&/"Q^"An-"
#p"*C"1W"3$\"3K&'"3/X"05&'"3$6&/"*P-"=W("3/Va&'"'H="&/(O-"/+&'"=J0"05&'"3$6&/B"
0P&"3K"/9L"3/F&/"=>3"=w3"1ằ&'"1W"3$\"05&'"3$6&/"/9L"8iB"/F("/%F"*X"1^%"*^="3/_0"/(;&"
*V90"040"&/(;="NJ"*w3"$)"0/%"05&'"3$6&/"*P-"=W("=>3"040/"3/-2&"89("&/g3B"*+3"/(;-",-^"
0)%"&/g3T"#/Va&'"0P&",-)"A%"A4&/"=>3"AW"L/VG&'"4&"1W"3$\"05&'"3$6&/"*X"0/E&"L/VG&'"
4&"3W("V-T"P&"?_"D(M&"0^"D/^"&o&'"=j"$>&'B"&n&'"0gL"05&'"3$6&/"3$%&'"3VG&'"8)(T"
"
b) Điều kiện kinh tế - kỹ thuật
"
BW"3$\"3K&'"3/X"05&'"3$6&/"*P-"=W("3/7."89(":"3/7."*(;&"0P&"*+3"*V90"040"*w0"3$V&'"
NF"0/d"3(<-"D(&/"3M"Dk"3/-23"3/-2&"89(B"/9L"8iT" G(4"3/F&/"Qn."?_&'"05&'"3$6&/"0C"DX""
*M&"040"0/("L/\"N2&"/F&/"3/Va&'"Q <&"L/^("8F"3W("3/(X-T"P&"32&"?J&'"040"*(O-"D(;&"
3/(<&"&/(<&"NO"*R)"/6&/B"*R)"0/g3B"3/7."No&B"N23"8(;-"Qn."?_&'"3+("0/ỗT"#$%&'"*(O-"D(;&""
0C"3/XB"0P&"32&"?J&'"A_"DM3"/9L"040"/+&'"=J0"05&'"3$6&/"*2L"NZ("3 M&"Q^"8eB"3 M&"
&o&'"8V9&'T"
A - Những vấn đề chung trong thiết kế công trình thủy lợi !7
/r"i"AG"*H"3/("05&'"8F="3/M"&F%"*X"NZ("D/W("8V9&'"3W("3/(X-"0C"3/X"*V)"05&'"3$6&/"
NF%"N2&"/F&/"3p&'"L/P&"AZ="&/g3B"L/43"/ "/(;-",-^"&/)&/"&/g3T"
#$%&'"*(O-"D(;&"&/(;3"*Z("h="0C"8e"8Z&"&/V"j"&VZ0"3)"05&'"3$6&/"?x&"?@&'"3/("05&'"
3/Va&'"0/(M="=>3"3b"3$E&'"0/("L/\"8Z&"&<&"0P&"0/r"i"1W"3$\"/9L"8i",-)"A%"A4&/"040"
L/VG&'"4&"NF"32&"?J&'"040"05&'"3$6&/"3+="3/a("*C"A)-"3/F&/"05&'"3$6&/"N~&/"0I-"&/V"*X"
Q^"L/S"A)B"Q^"=>3"L/P&"8eB"DM3"/9L"*Va&'"?x&"$)"07)"3K"=4."u&/V"j"f%F"B6&/vT"#$%&'"
3$Va&'"/9L"0P&"*h."&/)&/"3(M&"*>"3/("05&'"NZ("D/W("8V9&'"*ắL"*2L"D/5&'"8Z&B"0C"3/X"32L"
3$-&'"8F="3$%&'"=>3"=S)"D/5"3/6"D/5&'"&/g3"3/(M3"L/^("0C"05&'"3$6&/"3/4%"8e"3/("05&'"
u#/40"MGv"Np)"3W&"Dé=B"Np)"Dé%"?F("3/a("'()&"Qn."?_&'"=F"0/d"0P&"05&'"3$6&/"?x&"?@&'"
=S)"0+&T"
"
c) Điều kiện thi công - xây dựng
"
m/("0/E&"DM3"0g-"NF"1W"3$\"05&'"3$6&/"0P&"0/r"i"AG"*H"3K"0/[0"*X"Qn."?_&'"NF"3(M&"
*>"3/("05&'"8F="3/M"&F%"*X"Qn."?_&'"05&'"3$6&/"3$%&'"=>3"3/a("'()&"&'ắ&"&/g3"NZ("
0Va&'"*>"3/("05&'"040"8%+("Q|&"Ds"=>3"040/"/9L"8i"&/g3T"#K"0/[0"?x&"?@&'"3/("05&'"/9L"
8iB"32&"?J&'"*V90"8_0"8V9&'"Qn."?_&'"Aẵ&"0CT"
lG"*H"*Va&'"'()%"3/5&'"N2&"0/ X&"&'%F("NF"3$%&'"05&'"3$6&/"0P&"/9L"8i"/%4B"32&"
?J&'"3W("*)"&/]&'"3 M&"NF"L/VG&'"3(;&"N2&"0/ X&B"'()%"3/5&'B"3/("05&'"Aẵ&"0CT"W"
'ắ&'"1W"3$\"040"/+&'"=J0"05&'"3$6&/"3VG&'"*W("32L"3$-&'"*X"32&"?J&'"040"L/VG&'"3(;&"3/("
05&'"0/-&'B"8F="'(^="D/W("8V9&'"040"05&'"3$6&/"3+="3/a(B"L/J"0e&'"&/V"05&'"3$6&/"
0/\&/T"P&"0C"0/ỗ"*X"1W"3$\"05&'"3$6&/"L/J"3$9"&/g3"8F"D/-"&/F"=4."1<"35&'"&'/(O&"AF&'"
L/^("'P&"05&'"3$6&/T"
#$%&'"3$Va&'"/9L"D/C"3/("05&'"*<",-)(B"8F="D/5"/W"=C&'"N6"&O&"*2L"8F"043"0->(B"
Ac("3/6"4L"?J&'"AG"*H"3/("05&'"3$%&'"&VZ0"L/P&"*ắL"043"NF"?S&'"3/7."8_0"?@&'"0/^."*X"
8F="3$5("8ZL"043"0P&"L/^("1C0"1c"u&/V"j"f%F"B6&/vT"
"
d) Điều kiện kỹ thuật vận hành
"
5&'"3$6&/"*P-"=W("3/7."89(":"3/7."*(;&"L/^("*4L"[&'"040".<-"0P-"&/(;="NJ"*O"$)"
=>3"040/"3W3"&/g3"3$%&'"A-W3"3/a("'()&"8F="N(;0"07)"05&'"3$6&/T"W"'ắ&'"DM3"/9L"3W("*)"
040"&/(;="NJ"NO"D/)("3/40B"AI"?J&'"NF"1^%"N;"&'-H&"3F("&' <&"&VZ0T"
BW"3$\"05&'"3$6&/"*P-"=W("8F="3/M"&F%"*X"3/)%"340"N2&"/F&/"*V90"3/-2&"89(B""
0C"3/X"3_"*>&'"/%4"=>3"040/"*G&"'(^&B"0/ắ0"0/ắ&"NF"3W("*)B"1^%"*^="N2&"/F&/")&"3%F&B"
8(&/"/%+3T"
40"05&'"3$6&/"3 M&"4L"8_0"0P&"1^%"*^="*>")&"3%F&"K&"*R&/B"\3"L/^("AI)"0/])T"40"
05&'"3$6&/"0P&"0C"*(O-"D(;&"3/7."8_0"NF%"NF"$)"3/-2&"89(B"Np)"\3"3K&"3/g3B"3$4&/"?@&'"
Q%4.B"QC("8j"Np)"'(^="D/W("8V9&'"Qn."?_&'T"P&"32&"?J&'"*(O-"D(;&"3/(<&"&/(<&"Aẵ&"0CB"
D/5&'"*F%"=4("?W0"&/(O-"Np)"'(]"0^&/",-)&"=5("3$Va&'"NF"1^%"N;"D/c("1R"A+3"8j"3$%&'"
D/("3/("05&'"NF"N2&"/F&/T"
Không có nhận xét nào:
Đăng nhận xét