How to make concrete

MIX DESIGN (METODE SNI 03-2834-1993)Langkah-Langkah Perencanaana. Penetapan kuat tekan beton (fc’) pada umur 28 hari adalah 23 Mpab. Tinggi slump perencanaan 60-180 mmc. Ukuran agregat max 40 mmd. Susunan butir agregat halus termasuk dalam daerah gradasi no.2.e. Nilai deviasi standar (Sd)Tingkat pengendalian mutu pekerjaan “dapat diterima” dengan deviasi 7 Mpa.f. Nilai tambah / margin (M)Rumus : M = 1,64 x Sd= 1,64 x 7Mpa= 11,48 Mpag. Kuat tekan rata-rata yang direcanakanRumus :fc’ r = fc’ + M=(23+11,48)...

ENTREPRENEUR'S CREDO

ENTREPRENEUR'S CREDOI do not choose to be a common man,It is my right to be uncommon ... if I can,I seek opportunity ... not security.I do not wish to be a kept citizen.Humbled and dulled by having theState look after me.I want to take the calculated risk;To dream and to build.To fail and to succeed.I refuse to barter incentive for a dole;I prefer the challenges of lifeTo the guaranteed existence;The thrill of fulfillmentTo the stale calm of Utopia.I will not trade freedom for beneficenceNor my...