Perhitungan Pondasi Footplat

PERHITUNGAN FONDASI FOOTPLA BENTUK EMPAT EMPAT PERSEGI PANJANG Bangunan Rumah Komposting Project Rejang Lebong 

A. DA D ATA FONDASI FONDA SI FOOT FO OT PLA P LAT T DATA TANAH

Kedalaman fondasi, Bera !ol"me ana#, S"d" &ese' dalam, Ko#esi, Ta#anan 'on"s raaraa -#asil en&"/ian sondir,

7f  + g+ f+ *+ 8* +

1.50 1$.%0 ().00 0.00

B4 + B + #+ 34 + 3 + as +

1.00

5.00

DIMENSI FONDASI

2e3ar fondasi ara# 4, 2e3ar fondasi ara# , Te3al fondasi, 2e3ar 'olom ara# 4, 2e3ar 'olom ara# , Posisi 'olom -dalam + )0, ei + (0, s"d" + 60 BAHAN KONSTRUKSI

1.00 0.)0 0.(0 0.(0 60

K"a e'an 3eon, K"a lele# 3a/a "lan&an, Bera 3eon 3er"lan&,

f *= + f  + g* +

60.0

P" + M"4 + M" +

100.000

(0 61

BEBAN RENANA FONDASI

Gaa a'sial a'i3a 3e3an erfa'or, Momen ara# 4 a'i3a 3e3an erfa'or, Momen ara#  a'i3a 3e3an erfa'or,

9.9) 5.00

B. KAPASITAS DUKUNG TANAH !. MENURUT TER"AGHI DAN PEK #!$%&'

Kaasias d"'"n& "limi ana# men"r" Ter:a&#i dan Pe*' -1)( ;

8" + * > N * > -1 ? 0.( > B @ 2 ? 7 f  > g > N8 ? 0.5 > B > N g > -1  0.6 > B * + 'o#esi ana# -'N@m 6 7f  + Kedalaman fondasi -m g + 3era !ol"me ana# -'N@m ( B + le3ar fondasi -m 2 + an/an& fondasi -m S"d" &ese' dalam,

*+ 0.00 7f  + 1.50 g + 1$.%0 B + B + 1.00 2 + B + 1.00 f+ ().00 f + f @ 190 > p + 0.5()11)5$ -(>p @ )  f@6>an f + a + e-(>p ).011)09$%) Kg + ( > an 6  )5° ? 1@6>- f ? ((°  + $6.)$%(056


N* + 1@ an f >  a6 @ -6 > *os 6 -)5 ? f@6  1  + N8 + a6 @  -6 > *os 6 -)5 ? f@6  + N* > an f ? 1 + Ng + 1@6 > an f >  Kg @ *os6 f  1  +

56.%($ (%.50) (5.66%

Kaasias d"'"n& "limi ana# men"r" Ter:a&#i ;

8" + *>N*>-1?0.(>B@2 ? 7f >g>N8 ? 0.5>B>Ng>-10.6>B@2 + 8a + 8" @ ( + Kaasias d"'"n& ana#,

$$.91 (65.)

(. MENURUT ME)ERHOF #!$*+'

Kaasias d"'"n& ana# men"r" Meer#of -15% ;

8a + 8* @ (( >  - B ? 0.(  @ B  6 > Kd Kd + 1 ? 0.(( > 7f  @ B den&an, 8* +

- dalam '&@*m 6 #ar"s £ 1.((

a#anan 'on"s raaraa #asil sondir ada dasar fondasi - '&@*m 6 

B + B + 7f  + Kedalaman fondasi -m Kd + 1 ? 0.(( > 7 f  @ B + Kd + diam3il, 8* + Ta#anan 'on"s raaraa #asil sondir ada dasar fondasi, 8a + 8* @ (( >  - B ? 0.(  @ B  6 > Kd + 8a + Kaasias d"'"n& i/in ana#, B + 7f  +

le3ar fondasi -m

1.00 1.50 1.)5 1.(( 5.00 %.)$1 %)$.0$

&. KAPASITAS DUKUNG TANAH )ANG DIPAKAI

Kaasias d"'"n& ana# men"r" Ter:a&#i dan Pe*' ; Kaasias d"'"n& ana# ana# men"r" Meer#of ; Kaasias d"'"n& ana# an& dia'ai ;

8a + 8a + 8a +

(65.) %)$.0$ (65.)

. KONTROL TEGANGAN TANAH

2"as dasar foo la, Ta#anan momen ara# 4,

 A + B4 > B + C4 + 1@% > B > B46 +

1.0000 0.1%%$

C + 1@% > B4 > B6 + : + 7f   # + Tin&&i ana# di aas foo la, 8 + # > g* ? : > g + Te'anan a'i3a 3era foo la dan ana#, Ta#anan momen ara# ,

0.1%%$ 1.10 6$.$%0

E'senrisias ada fondasi ;

e4 + M"4 @ P" + 0.099) m e + M" @ P" + 0.0500 m

, ,

B4 @ % + 0.1%%$ m B @ % + 0.1%%$ m

Te&an&an ana# ma'sim"m an& er/adi ada dasar fondasi ;

8ma4 + P" @ A ? M "4 @ C4 ? M" @ C ? 8 + 610.$6 8ma4 , 8a AMAN #OK' Te&an&an ana# minim"m an& er/adi ada dasar fondasi ;

8min + P" @ A  M"4 @ C4  M" @ C ? 8 + )).$69 8min -  ta/ t012a3i t0g.ta1i/ #OK D. GA)A GESER PADA FOOT PLAT !. TIN4AUAN GESER ARAH 5

d= + d + #  d= + Jara' 3id. 'riis er#ada sisi l"ar foo la, a4 + - B4  34  d  @ 6 + Jara' "sa "lan&an er#ada sisi l"ar 3eon, Te3al efe'if foo la,

0.0$5 0.(65 0.199

Te&an&an ana# ada 3idan& 'riis &eser ara# 4,

84 + 8min ? -B4  a4 @ B4 > -8ma4  8min + Gaa &eser ara# 4, D"4 +  84 ? - 8ma4  84  @ 6  8  > a 4 > B + 3 + B + 2e3ar 3idan& &eser "n"' in/a"an ara# 4, d+ Te3al efe'if foola,

1$.%55 (1.( 1000 (65

b* + 34 @ 3 + Rasio sisi an/an& #d. sisi ende' 'olom, 1.0000 K"a &eser foo la ara# 4, diam3il nilai er'e*il dari D * an& dierole# dari ers.s33 D* +  1 ? 6 @ b*  >  f *= > 3 > d @ % > 10( + D* +  as > d @ 3 ? 6  >  f *= > 3 > d @ 16 > 10( + D* + 1 @ ( >  f *= > 3 > d > 10( + D* + 7iam3il, '"a &eser foo la, f +
$6%.$66 106.56( )9).)91 )9).)91 0.$5 (%(.(%1

Sara an& #ar"s dien"#i,

f * D* (%(.(%1

≥ -

D"4 (1.(

AMAN #OK'

(. TIN4AUAN GESER ARAH )

d= + d + #  d= + Jara' 3id. 'riis er#ada sisi l"ar foo la, a + - B  3  d  @ 6 + Jara' "sa "lan&an er#ada sisi l"ar 3eon, Te3al efe'if foo la,

0.095 0.(15 0.1(

Te&an&an ana# ada 3idan& 'riis &eser ara# ,

8 + 8min ? -B  a @ B > -8ma4  8min + Gaa &eser ara# , D" +  8 ? - 8ma4  8  @ 6  8  > a  > B4 + 3 + B4 + 2e3ar 3idan& &eser "n"' in/a"an ara# , d+ Te3al efe'if foola, b* + 34 @ 3 + Rasio sisi an/an& #d. sisi ende' 'olom,

1$9.965

D* +  1 ? 6 @ b*  >  f *= > 3 > d @ % > 10( +

$0).(%1

(6.15$ 1000 (15

1.0000 K"a &eser foo la ara# , diam3il nilai er'e*il dari D * an& dierole# dari ers.s33

D* +  as > d @ 3 ? 6  >  f *= > 3 > d @ 16 > 10( + D* + 1 @ ( >  f *= > 3 > d > 10( + D* + 7iam3il, '"a &eser foo la, f +
$).(%$ )%.5$) )%.5$) 0.$5 (56.191

Sara an& #ar"s dien"#i,

f * D* (56.191

≥ -

D"4 (6.15$

AMAN #OK'

&. TIN4AUAN GESER DUA ARAH #PONS'

Jara' "sa "lan&an er#ada sisi l"ar 3eon, Te3al efe'if foo la, 2e3ar 3idan& &eser ons ara# 4, 2e3ar 3idan& &eser ons ara# , Gaa &eser ons an& er/adi,

d= + d + #  d= + *4 + 34 ? 6 > d + * + 3 ? 6 > d +

0.095 0.(6 0.%15 0.%15

D" + - B4 > B  *4 > *  >  - 8 ma4 ? 8min  @ 6  8  + %6.1$9  A + 6 > - *4 ? *  > d + 2"as 3idan& &eser ons, 0.$$5 3 + 6 > - *4 ? *  + 2e3ar 3idan& &eser ons, 6.)%0 b* + 34 @ 3 + Rasio sisi an/an& #d. sisi ende' 'olom, 1.0000 Te&an&an &eser ons, diam3il nilai er'e*il dari f  an& dierole# dari ers.s33. ; f  +  1 ? 6 @ b*  >  f *= @ % + 6.6(% f  +  as > d @ 3  ? 6  >  f *= @ 16 + 1.$00

f  + 1 @ ( >  f *= + f  + Te&an&an &eser ons an& disara'an, f + Dn + f > A > f  > 10( + K"a &eser ons, f > Dn ≥ D" Sara ; 9%%.(%5

f > Dn 9%%.(%5

%6.1$9

-

≥

1.)1 1.)1 0.$5 9%%.(%

AMAN #OK'

P"

-

100.000

AMAN #OK'

E. PEMBESIAN FOOTPLAT !. TULANGAN LENTUR ARAH 5

Jara' ei 'olom er#ada sisi l"ar foo la, Te&an&an ana# ada ei 'olom,

a4 + - B4  34  @ 6 +

84 + 8min ? -B4  a4 @ B4 > -8ma4  8min +

0.(50 156.%$0

Momen an& er/adi ada la fondasi a'i3a e&an&an ana#,

M"4 + 1@6 > a 46 >  84 ? 6@( > - 8 ma4  84   8  > B  + 3 + B + 2e3ar la fondasi an& diin/a", #+ Te3al la fondasi, d= + Jara' "sa "lan&an #d. sisi l"ar 3eon, d + #  d= + Te3al efe'if la, f *= + K"a e'an 3eon, f  + K"a lele# 3a/a "lan&an, Es + Mod"l"s elasis 3a/a, b1 +
10.06) 1000 )00 $5 (65 60 (0 6.00E?05 0.95

r3 + b1> 0.95 > f *@ f  > %00 @ - %00 ? f   + 0.066)55(665 f + r3 > f  > 1H>0.$5> r3 > f  @ - 0.95 > f *   + 5.6 Mn + M"4 @ f + 16.5(0 Rn + Mn > 10% @ - 3 > d 6  + 0.119%( Rn F Rma4 #OK' Rasio "lan&an an& dierl"'an,

r + 0.95 > f * @ f  >  1  Ö 1  6 > Rn @ - 0.95 > f *    + rmin + Rasio "lan&an minim"m, Rasio "lan&an an& di&"na'an, 2"as "lan&an an& dierl"'an, 7iameer "lan&an an& di&"na'an, Jara' "lan&an an& dierl"'an, Jara' "lan&an ma'sim"m, Jara' "lan&an an& di&"na'an, 7i&"na'an "lan&an, 2"as "lan&an era'ai,

r+  As + r > 3 > d + 7 1% s + p @ ) > 7 6 > 3 @ As + sma4 + s+

0.000( 0.0065 0.0065 916.50 6)$ 600 600

7 1% 600 6  As + p @ ) > 7 6 > 3 @ s + 1005.(1

(. TULANGAN LENTUR ARAH )

Jara' ei 'olom er#ada sisi l"ar foo la, Te&an&an ana# ada ei 'olom,

a + - B  3  @ 6 +

8 + 8min ? -B  a @ B > -8ma4  8min + Momen an& er/adi ada la fondasi a'i3a e&an&an ana#,

0.(50 156.%$0

M" + 1@6 > a 6 >  8 ? 6@( > - 8 ma4  8   8  > B 4 + 10.06) 3 + B4 + 2e3ar la fondasi an& diin/a", 1000 #+ Te3al la fondasi, )00 d= + Jara' "sa "lan&an #d. sisi l"ar 3eon, 95 d + #  d= + Te3al efe'if la, (15 f *= + K"a e'an 3eon, 60 f  + K"a lele# 3a/a "lan&an, (0 Es + 6.00E?05 Mod"l"s elasis 3a/a, b1 + 0.95 > f *@ f  > %00 @ - %00 ? f   + 0.066)55(665 f + r3 > f  > 1H>0.$5> r3 > f  @ - 0.95 > f *   + 5.6 Mn + M" @ f + 16.5(0 Rn + Mn > 10% @ - 3 > d 6  + 0.16%69 Rn F Rma4 #OK' Rasio "lan&an an& dierl"'an,

r + 0.95 > f * @ f  >  1  Ö 1  6 > Rn @ - 0.95 > f *    + rmin + Rasio "lan&an minim"m, Rasio "lan&an an& di&"na'an, 2"as "lan&an an& dierl"'an, 7iameer "lan&an an& di&"na'an, Jara' "lan&an an& dierl"'an, Jara' "lan&an ma'sim"m, Jara' "lan&an an& di&"na'an, 7i&"na'an "lan&an, 2"as "lan&an era'ai,

r+  As + r > 3 > d + 7 1% s + p @ ) > 7 6 > 3 @ As + sma4 + s+

0.000( 0.0065 0.0065 $9$.50 655 600 600

7 1% 600 6  As + p @ ) > 7 6 > 3 @ s + 1005.(1

&. TULANGAN SUSUT

Rasio "lan&an s"s" minim"m, 2"as "lan&an s"s" ara# 4, 2"as "lan&an s"s" ara# , 7iameer "lan&an an& di&"na'an,

rsmin +  As4 + rsmin> d > B4 + As + rsmin> d > B +

0.001) )55.000 ))1.000 16

s4 + p @ ) > Æ6 > B @ As4 + s4,ma4 + Jara' "lan&an s"s" ma'sim"m ara# 4, s4 + Jara' "lan&an s"s" ara# 4 an& di&"na'an, s + p @ ) > Æ6 > B4 @ As + Jara' "lan&an s"s" ara# , s,ma4 + Jara' "lan&an s"s" ma'sim"m ara# , s + Jara' "lan&an s"s" ara#  an& di&"na'an, Æ 16 600 6 7i&"na'an "lan&an s"s" ara# 4, 600 Æ 16 6 7i&"na'an "lan&an s"s" ara# , Jara' "lan&an s"s" ara# 4,

6) 600 600 65% 600 600

Satuan

m 'N@m( ° 'Pa '&@*m6 m m m m m

MPa MPa 'N@m( Akibat

'N

qx= q*cos 45

70.7

Mx=1/8*qx*(L2)^2

8.8375

1 TLN + .9 Kn

'Nm

1.1(19 10.60)1 Ton  As"msi Be3an

'Nm

1.1(19 21.21

Cara 2

g

Berat Vo!"e #a$a%

2

&'"e$s' #'a$



+a$,a$ -a$

L

#ea$a$ ta$a% as'  #a$2(45/2)

° m 'N@m( m m ° rad

'N@m6 'N@m6

=48 

m m - !.&&

'&@*m6 '&@*m6 'N@m6

'N@m6 'N@m6 'N@m6

m6 m(

m( m 'N@m6 #OK' #OK'

'N@m6

'N@m6 '

m m m 'N@m6 'N mm mm

.; 'N 'N 'N 'N 'N

m m m 'N@m6 'N mm mm .; 'N

'N 'N 'N 'N

m m m m 'N m6 m

MPa MPa

MPa MPa 'N

m 'N@m6 'Nm mm mm mm mm MPa MPa MPa

'Nm

mm6 mm mm mm mm mm6

m 'N@m6

'Nm mm mm mm mm MPa MPa MPa

'Nm

mm6 mm mm mm mm mm6

mm6 mm6 mm mm mm mm mm mm mm

 

omen

q= q*s'$ 45

70.7

Mx=1/8*q*(L2/2)

4.41875

17.60 0.30 1.50 6.7

120.78