7/23/2019 Perhitungan Uji Geser

1/3

5. Data Hasil Percobaan

a. Diameter sampel 1 (D) = 6,6 cm

b. Tinggi sampel 1 (T) = 1,5 cmc. Diameter sampel 2 (D) = 6,5 cm

d. Tinggi sampel 2 (T) = 1,5 cm

e. Berat ring 1 = 33,! gram

". Berat ring 2 = 35,#$ gram

g. Berat sampel 1 % ring 1 = 11&,$5 gram

'. Berat sampel 2 % ring 2 = 123,2& gram

i. Berat sampel 3 % ring 1 = 122,36 gram

. Beban sampel 1 = 332! gram

. Beban sampel 2 = 66$! gram

l. Beban sampel 3 = 6! gram

Tabel 3.*.

+at (deti)

Beban 1

(332! gram)

Beban 2

(66$! gram)

Beban 3

(6! gram)

Bacaan Dial

! ! ! !

15 11 13 16

3! 1$ 1& 23

$5 16 21 2#

6. Per'itngan

a. -as permaan sampel 1(1)

=1

4 D

2

1=

6,6

1

4

= 3$,211 cm2

2=1

4(6,5)2

= 33,1&31 cm2

b. Tegangan normal (/)

/ =P

F

7/23/2019 Perhitungan Uji Geser

2/3

/1=3,32

34,2119 = !,!#! g0cm2

/2=

6,64

33,1831 = !,2!!1 g0cm

2

/3=9,96

34,2119 = !,211 g0cm2

c. Tegangan geser (

1. ampel 1 (Beban 332! gram)

=dial x kalibrasi alat

F

1 =

11x 0,384

34,2119 = !,1235 g0cm2

2 =

14x 0,384

34,2119 = !,15#1 g0cm2

3 =

16x 0,384

34,2119 = !,1#6 g0cm2

2. ampel 2 (Beban 66$! gram)

=dial x kalibrasi alat

F

1 =

13x 0,384

33,1831 = !,15!$ g0cm2

2 =

18x 0,384

33,1831 = !,2!&3 g0cm2

3 =

21x 0,384

33,1831 = !,2$3! g0cm2

3. ampel 3 (Beban 6! gram)

=

dial x kalibrasi alat

F

1 =

16x 0,384

34,2119 = !,1#6 g0cm2

2 =

23x 0,384

34,2119 = !,25&2 g0cm2

3 =

27x 0,384

34,2119 = !,3!31 g0cm2

7/23/2019 Perhitungan Uji Geser

3/3