Analisis Variasi Suhu Pemanasan Serbuk Batu Basalt Sebagai Bahan Pengisi Ordinary Portland Cement Terhadap Kuat Tekan Beton

Rajiman Rajiman, Vita Listari

Abstract


Utilization of basalt scoria stone as one of the building materials that can be one of the
alternatives to limestone which has been known as a cement maker and utilizes the availability of
abundant basalt, especially in Lampung which has these natural resources. This research is to
analyze the basalt stone powder and analyze the optimum content at the temperature variation of
the most effective mixture of basalt stone powder to produce compressive strength of concrete.
The research method uses experimental methods at the Bandar Lampung University laboratory.
The specimens used were cylinders with a diameter of 10.16 cm and a height of 20cm totaling 63
specimens using the DOE method. There are 6 types of mixtures, namely at a temperature of
800˚C there are 2 mixes of 3% and 7% basalt stone powder, a temperature of 1200˚C there are 2
mixes of 3% and 7% basalt stone powder, and at a temperature of 1600˚C there are 2 mixtures of
3% and 7% basalt stone powder. Compressive strength testing is performed at the age of concrete
testing 7, 14, and 28 days.
The results of the study show that the addition of heated basalt stone powder can increase the
compressive strength of concrete. The compressive strength results in a mixture of temperature
variations included in the planned compressive strength. The optimum compressive strength value
of 28 days of testing occurred on 3% concrete mix of basalt stone powder at a temperature of
1600˚C that is equal to 392 kg / cm².
Keywords: Concrete, Basalt Stone and compressive strength


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References


Rajiman, 2011, Analisa Pemakaian Agregat Halus Abu Batu Basalt Scoria Tehadap Kuat

Tekan Mortar Mutu Tinggi Menggunakan Semen Batu Raja, Tesis (Magister

Teknik), Jurusan Teknik Sipil, Fakultas Teknik, Universitas Bandar Lampung.

Kusumawati, Ratna, 2012, Kajian Penggunaan Batu Basalt & Batu Kapur Sebagai Agregat

pada Slurry Seal (Tinjauan Konsistensi, Setting Time dan ITS), Skripsi Sarjana

(Strata Satu) Jurusan Teknik Sipil, Fakultas Teknik Universitas Sebelas Maret.

SNI 03-2847, 2002, Tata Cara Perhitungan Struktur Beton Untuk Bangunan Gedung,

Standar Nasional Indonesia, Bandung.

ASTM C-150, 2002, Standart Specification for Portland cement, Annual Books of

ASTM Standards, USA, 2002.


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Publisher

Department of Civil Engineering

Engineering Faculty

University of Lampung

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