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Bang Tinh the Tich Mong
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V ' = ABH'V '' = v ' 0 + 2v ' 1 + 2v ' 2 + 4v ' 3V " = abH" + 2[(B - b)/2 * H"/ 2 * a] + 2[ (A - a)/2 * H"/ 2 * b] + + 4[(A - a)/2 * (B - b)/2] * H"/3V " = H"/ 6 * [Ab + Ba + 2AB + 2ab]V " = H"/ 6 * [AB + ab + ( A + a) ( B + b)]Vay: V = ABH' + H"/6*[AB + ab + ( A + a) ( B + b)]
BANG TNHa(m) b(m) A(m) B(m) H'(m) H"(m) V(m3)
0.35 0.35 1.3 1.3 0.2 0.3 0.5648
BANG TNH KHOI LNG BETONG MONG N EU CANH
MONG N EU CANH
v'1
v'2
v'3
v'0
A
Bb
a
a
A
bB
H''H'
V''V'
V'
V''V = V' + V'' H''
H'
V " = abH" + 2[(B - b)/2 * H"/ 2 * a] + 2[ (A - a)/2 * H"/ 2 * b] + + 4[(A - a)/2 * (B - b)/2] * H"/3
BANG TNH KHOI LNG BETONG MONG N EU CANH
MONG N EU CANH
v'1
v'2
v'3
v'0
A
Bb
a
a
A
bB
H''H'
V''V'
V'
V''V = V' + V'' H''
H'
V ' = ABH'V '' = v ' 0 + v ' 1 + v ' 2 + v ' 3V " = abH" + [(B - b) * H"/ 2 * a] +[ (A - a) * H"/ 2 * b] + [(A - a) * (B - b)] * H"/3V " = H"/ 6 * [Ab + Ba + 2AB + 2ab]V " = H"/ 6 * [AB + ab + ( A + a) ( B + b)]Vay: V = ABH' + H"/6*[AB + ab + ( A + a) ( B + b)]
BANG TNHa(m) b(m) A(m) B(m) H'(m) H"(m) V(m3)
0 0 0 0 0 0 0
BANG TNH KHOI LNG BETONG MONG CHAN VT - GOC
H'
H''
VT - GOCMONG CHAN
V = V' + V''
v'2
v'3v'1
v'0
V''
V'
V' V''
H' H''
B
b
A
a
ab
B
A
V " = abH" + [(B - b) * H"/ 2 * a] +[ (A - a) * H"/ 2 * b] + [(A - a) * (B - b)] * H"/3
BANG TNH KHOI LNG BETONG MONG CHAN VT - GOC
H'
H''
VT - GOCMONG CHAN
V = V' + V''
v'2
v'3v'1
v'0
V''
V'
V' V''
H' H''
B
b
A
a
ab
B
A
V ' = ABH'V '' = v ' 0 + v ' 1 + 2v ' 2 + 2v ' 3V " = abH" + [(B - b)/2 * H"/ 2 * a] + 2[ (A - a)/2 * H"/ 2 * b] + 2[(A - a)/2 * (B - b)/2] * H"/3V " = H"/ 6 * [Ab + Ba + 2AB + 2ab]V " = H"/ 6 * [AB + ab + ( A + a) ( B + b)]Vay: V = ABH' + H"/6*[AB + ab + ( A + a) ( B + b)]
BANG TNHa(m) b(m) A(m) B(m) H'(m) H"(m) V(m3)
0 0 0 0 0 0 0
BANG TNH KHOI LNG BETONG MONG CHAN VT - CANH
H'
H"
VT - CANHMONG CHAN
V = V1 + V2
v'2
v'3v'1
v'0
V''
V'
A
a
ab
B
A
b
B
H"H'
V''V'
V " = abH" + [(B - b)/2 * H"/ 2 * a] + 2[ (A - a)/2 * H"/ 2 * b] + 2[(A - a)/2 * (B - b)/2] * H"/3
BANG TNH KHOI LNG BETONG
S = A * H' + ( A + a ) * ( H"/ 2)V = [A * H' + ( A + a ) * ( H"/ 2)] * L
BANG TNHa(m) A(m) H'(m) H"(m) L(m) V(m3)
0 0 0 0 0 0
BANG TNH KHOI LNG BETONG MONG BANG SN TREN
a
H'
H"S''
S'
A
L
V = S*L
MONG BANG 1
S = S' + S"
BANG TNH KHOI LNG BETONG MONG BANG SN TREN
a
H'
H"S''
S'
A
L
V = S*L
MONG BANG 1
S = S' + S"
S = a * (H' + H" + H'") + 2 (2H' + H") * ( b/ 2)V = [a * (H' + H" + H'") + (2H' + H") * b]* L
BANG TNHb(m) a(m) H'(m) H"(m) H'"(m) L(m) V(m3)
0 0 0 0 0 0 0
BANG TNH KHOI LNG BETONG MONG BANG SN BANG
S = S' + 2S"
MONG BANG 2
V = S*L
LS'S'' H"
H'
a
H"'
b
b
BANG TNH KHOI LNG BETONG
S = A * H' + ( A + a ) * ( H"/ 2)V = [A * H' + ( A + a ) * ( H"/ 2) ]* L
BANG TNHa(m) A(m) H'(m) H"(m) L(m) V(m3)
0 0 0 0 0 0
BANG TNH KHOI LNG BETONG MONG BANG GOC SN BANG
S = S' + S"
MONG BANG 4
V = S*L
L
AS'
S''H'
aH''
BANG TNH KHOI LNG BETONG MONG BANG GOC SN BANG
S = A * B - n (a*b )V = S * h (san)
BANG TNHA(m) B(m) a(m) b(m) n S(m2) h(m) V(m3)
0 0 0 0 0 0 0 0
BANG TNH KHOI LNG BETONG SAN
A
Ba
b
c =sqrt(a*a + b*b) R(m) h(m) S(m2) V(m3) S = 1/2*b*a
45 0 0 0 0S =1/2*L*R a(m) b(m)
L(m) R(m) h(m) S(m2) V(m3) 0 00 0 0 0 0
BANG TNH
S =1/2**R*R
R
L
b
a
c
c =sqrt(a*a + b*b)
c(m) S(m2)0 0
b
a
c
M DON 1M DON 2M DON 3M BANG 1M BANG 2M BANG 3SANCONG THUC