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1

01

(a) Pondasi Telapak Setempat Persegi (b) ) Pondasi Telapak Setempat Persegi Panjang

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2

Pondasi Dinding

Wall footing

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3

Strap (Cantilever) Footings:

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4

Raft (Mat) Footing:

( )

( )

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5

( )

()

()

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6

11

Kolom

Tapak

(Persegi)

q, tekanan tanah

12

Kolom

Tapak

(Persegi)

qmin qmax

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7

1. Tentukan ketebalan tapak (trial)

2. Hitung daya dukung tanah netto

3. Hitung kebutuhan luasan tapak

4. Hitung tekanan tanah efektif pada tapak

5. Periksa ketahanan tapak terhadap gesersatu arah

6. Periksa ketahanan tapak terhadap geserdua arah

7. Hitung kebutuhan tulangan lentur

14

(

)

, 1( )

d

L

a d

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8

15

L / 2

a d

L/2 a/2 - d

16

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9

17

. ( )

/2

11.11.2.1

L / 2

d/2 a d/2

18

( )

,

0

40 , 30 , 20

11.11..1

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10

:

, 500 500, : 750 , 500

25 () 250

2 () 15 /

3

() 500

250 (24 /

30,5) (15/31,5)

215,5

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11

2,5 2,5 6,25

2 5,801 2

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12

2 ( )

2 ( 1)

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13

2 ( 2)

2 ( 3)

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14

2

3 2 :

500

1

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15

1

1

500 1

( )

2,50

1,25 (0,50,5) 1,0

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