Contoh Perhitungan Marshall

4. Contoh Perhitungan Uji Marshall:

Berat Jenis Bulk Agregat (hasil pengujian)

= 2,576 gr/cm2

Berat Jenis Aspal (hail pengujian)

= 1,056 gr/cm2

Angka Kalibrasi (ditetapkan)

= 7,743

P (Kadar aspal tengah)

= 7%

Berat Agregat F1 + F2 + F3

= 1200 gr

Untuk Kadar Aspal P-1, Sampel 1 Tinggi Sampel (t)

= 5,67 cm

Aspal Terhadap Agregat (a)

= P-1 = 7%-1 = 6%

Aspal Terhadap Campuran (b)

=

(

)

= 5,66% Berat Jenuh Benda Uji (c)

= 1102 gr

Berat Kering Benda Uji (d)

= 1108 gr

Berat dalam Air Benda Uji (e)

= 621 gr

Berat Isi Benda Uji (f)

= d-e = 1108 – 621 = 487 ml

Berat Isi Benda Uji (g)

= = = 2,26 gr/ml

Berat Jenis Maks Teoritis (h)

=

(

=

(

(

)

)

(

= 2,38 Bj Aspal (i)

= = = 12,13%

)

)

(

)

(

)

Bj Agregat (j)

(

= =

)

(

)

= 82,87% Jumlah Kand Rongga (k)

= 100 - i - j = 100 - 12,13 – 82,87 = 5,00%

VMA (l)

= 100 - j = 100 - 82,87 = 17,13%

VFA (m)

= = = 70,82%

VIM (n)

=

*

( )+

=

*

(

)+

= 5,00% Pembacaan Dial (o)

= 132 kg

Stabilitas (p)

= o x angka kalibrasi = 132 x 7,743 = 1022,08 kg

Koreksi Stabilitas (q)

= p x faktor koreksi terhadap tinggi sampel (dari tabel data fisik benda uji normal) = 1022,08 x 1,210 = 1236,58 kg

Flow (r)

= 4,17 mm

QM (s)

= = = 296,54 kg/mm