CARA MENGHITUNG ADUKAN MORTAR [ metode B.O.W ]
Cara Bangun RumahSemen = 0.76
Pasir = 0.675
Artinya dalam 1 m3 pasir terdiri dari 0.675 m3 pasir + 0.325 rongga udara
Bj Semen = 1250 Kg
1 zak = 50 kg
Analisa B.O.W – G 13
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=====> 1 m3 adukan mortar 1 : 1
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1 m3 semen ------> jadi adukan = 1 * 0.76 = 0.76 m3
1 m3 pasir -------> jadi adukan = 1 * 0.675 = 0.675 m3
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2 m3 material -----> menghasilkan adukan mortar = 1.435 m3
1 m3 adukan Mortar = 1 : 1 ===> dibutuhkan bahan…
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Semen = 1/1.435 * 1 m3 = 0.7 m3 = 875 kg = 17.5 zak
Pasir = 1/1.435 * 1 m3 = 0.7 m3
Analisa B.O.W – G 14
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=====> 1 m3 adukan mortar 1 : 2
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1 m3 semen -----> jadi adukan = 1 * 0.76 = .76 m3
2 m3 pasir -----> jadi adukan = 2 * 0.675 = 1.35 m3
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3 m3 material ----> menghasilkan adukan mortar = 2.11 m3
1 m3 adukan Mortar = 1 : 2 ===> dibutuhkan bahan…
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Semen = 1/ 2.11 * 1 m3 = 0.47 m3 = 587.5 kg = 11.75 zak
Pasir = = 1/ 2.11 * 2 m3 = 0.95 m3
Analisa B.O.W – G 16
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=====> 1 m3 adukan mortar 1 : 3
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1 m3 semen ------> jadi adukan = 1 * 0.76 = .76 m3
3 m3 pasir -------> jadi adukan = 3 * 0.675 = 2.076 m3
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4 m3 material -----> menghasilkan adukan mortar = 2.785 m3
1 m3 adukan Mortar = 1 : 3 ===> dibutuhkan bahan…
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Semen = 1/ 2.785 * 1 m3 = 0.36 m3 = 450 kg = 9 zak
Pasir = 1/ 2.785 * 3 m3 = 1.08 m3
Analisa B.O.W – G 19
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=====> 1 m3 adukan mortar 1 : 4
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1 m3 semen -------> jadi adukan = 1 * 0.76 = .76 m3
4 m3 pasir --------> jadi adukan = 4 * 0.675 = 2.70 m3
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5 m3 material ------> menghasilkan adukan beton = 3.46 m3
1 m3 adukan Mortar = 1 : 4 ===> dibutuhkan bahan…
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Semen = 1/3.46 * 1 m3 = 0.29 m3 = 362.5 kg = 7.25 zak
Pasir = 1/3.46 * 4 m3 = 1.16 m3
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=====> 1 m3 adukan plesteran / mortar 1 : 5
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1 m3 semen ------> jadi adukan = 1 * 0.76 = .76 m3
5 m3 pasir -------> jadi adukan = 5 * 0.675 = 3.375 m3
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6 m3 material -----> menghasilkan adukan mortar = 0.76 + 3.375 = 4.135 m3
1 m3 adukan mortar = 1 : 5 ===> dibutuhkan bahan…
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Semen = 1/4.135 * 1 m3 = 0.2418 m3 = 302.2975 kg = 6.0459 zak
Pasir = 1/4.135 * 5 m3 = 1.2092 m3
CATATAN :
Analisa B.O.W – G 46
1 m2 plesteran setebal 15 mm diperlukan 0.018 m3 mortar perekat.
1 m2 plesteran setebal 10 mm diperlukan 0.012 m3 mortar perek