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Create by M Jamin PTSP FT UNY 1
DINDING PENAHAN TANAH
Berdasarkan bentuk dan penahanan terhadap tanah, dinding penahan
dapat klasifikasikan ke dalam tiga bentuk, yakni: (1) dinding gravity, (2)
dinding semi gravity dan (3) dinding non gravity. Dinding gravity
merupakan dinding penahan tanah yang mengandalkan berat bahan
sebagai penahan tanah umumnya berupa pasangan batu atau bronjong
batu (gabion).
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DINDING PENAHAN TANAH
Gravity wall
Semigravity wall
Cantilever wall
Counterfort wall
Counterfort
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Gravity wall
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Semigravity wall
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Cantilever wall
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Counterfort wall
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W3
W1
W2
W4
Dasar perhitungan dinding penahan tanah
Overturning / Guling
W3
W1
W2
W4
Pa
g
mi
i
ii
ni
i
iPaig
M
MSF
LWM
ZPaM
0
1
0
1
.
.
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W3
W1
W2
W4
Dasar perhitungan dinding penahan tanah
Sliding failure / Geser
W3
W1
W2
W4
Pa
d
R
mi
i
d
ni
i
i
R
F
F
SF
PaF
tgA
W
cAF
1
1
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W3
W1
W2
W4
W3
W1
W2
W4
Pa
= 18,65 kN/m3
=30degc1= 0
4m
3m
2m 0.4m0.6m
0.5m
0.3m
4/3 m
kN
HKP
tgK
aa
a
7333.49
4.1865.3333.02
1
2
1
33333.02
30452
22
pas= 22 kN/m
3
Luas W Lengan Momen
1 2.975 65.45 1.733 113.447
2 1.05 23.1 2.450 56.595
3 1.4 26.11 2.800 73.108
4 1.5 33 1.500 49.500
SW 147.66 SM
292.650
Tekanan tanah 49.733 1.333 -66.311
SF = 4.4133
Perhitungan terhadap guling
9Create by M Jamin PTSP FT UNY
4133.4
650.292.
311.66.
1
1
D
R
mi
i
iiR
ni
i
iPaiD
M
MSF
LWM
ZPaM
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W3
W1
W2
W4
W3
W1
W2
W4
Pa
= 18,65 kN/m3
=30degc1= 0
4m
3m
2m 0.4m0.6m
0.5m
0.3m
4/3 m
kN
HKP
tgK
aa
a
7333.49
4.1865.3333.02
1
2
1
33333.02
30452
22
pas= 22 kN/m
3
Luas W
1 2.975 65.45
2 1.05 23.1
3 1.4 26.114 1.5 33
S
W 147.66
SFR = 53.744
SFd = 49.733
Perhitungan terhadap geser
SF = 1.0807
0807.1
d
R
F
FSF
744.531
tg
A
WcAF
ni
ii
R
Create by M Jamin PTSP FT UNY
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W4
W1
W2
W3
TEKANAN TANAH AKTIFDARI RANKINE
UNTUK TANAH DIBELAKANG DIDING DENGAN KEMIRINGAN
Pa (Rankine)Pa.sin
Pa.cos
aa
a
KHP
K
221
22
22
coscoscos
coscoscoscos
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W5
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W4
W1
W2
W3
W5
TEKANAN TANAH PASIFDARI RANKINE
UNTUK TANAH DIBELAKANG DIDING DENGAN KEMIRINGAN
Pp (Rankine)Pp.sin
Pp.cos
ap
p
KHP
K
221
22
22
coscoscos
coscoscoscos
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Pa (Rankine)Pa.sin
Pa.cos
=10deg
W3
W1
W2
W4
W3
W1
W2
W4
4m
3m
2m 0.4m0.6m
0.5m
0.3m
4/3 mpas= 22 kN/m
3
4.16912
10tan4.04
3664.106
coscos
34952.0
coscoscos
coscoscoscos
2
2
1
221
22
22
H
KHP
KHP
K
aa
aa
a
= 18,65 kN/m3
=30degc1= 0
Luas W Lengan Momen
1 2.975 65.45 1.733 113.447
2 1.05 23.1 2.45 56.595
3 1.4 26.11 2.8 73.108
4 1.5 33 1.5 49.5
5 0.015 0.2799 2.8667 0.8023
SW= 147.940SM
224.511
Tekanan tanah 106.3664 1.3568 144.3226
SF = 1.556
W5
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H
c = 0
q
cos2
sin
sin
2
1
sinsin
sinsin
1sinsin
sin
2
2
22
2
H
q
HKP
K
eq
eqaa
a
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90-+
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H1
1
1
c1 = 0
H
1
c = 0
2
2
22
2
2
1
sinsin
sinsin1sinsin
sin
HKP
K
pp
p
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(+)-90
2i
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2
H1
1
1c1= 0
H2
1
1
1
2
2
2c2= 0
2
2
2
2222
2222
22
2
2
2
22
2
2
2
1
sinsin
sinsin1sinsin
sin
HKP
K
pp
p
2
1
2
1111
1111
11
2
1
2
11
2
1
2
1
sinsin
sinsin1sinsin
sin
HKP
K
aa
a
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