# Porosity, pore size and compressive strength of self compacting concrete using sea water
> Erniati

URL kanonis: https://discover.unhas.ac.id/publications/pub_scopus_84960907853
Jurnal / Konferensi: Procedia Engineering
Tahun terbit: 2015
DOI: https://doi.org/10.1016/j.proeng.2015.11.045
ISSN: 18777058
Citations: 68

## Authors
- Erniati

## Abstract
Indonesia is the largest archipelago in the world, so it has much territory that the quality of the source water is not qualified as mixing water in construction. Besides, construction of concrete in areas that are likely quantity of water or fresh water is very minimal or even nothing then the sea water cannot be avoided in mixing concrete. This research was an experimental study, the samples for compressive strength test are cylindrical premises size of 10 mm×20 mm. The porosity relation, compressive power, age and model of porosity relationship with SCC concrete compressive strength which using sea water is discussed in this paper. Compressive strength testing is following the standard ASTM 39/C 39-99. Universal Testing Machine (UTM) was used in the testing of compressive strength. Test specimen for porosity created by taking part of the cylinder and then slashed with a size of approximately 2 cm×3 cm with a 0.003 mm thick. The type and pore size and porosity were analyzed by using a polarizing petrography microscope Olympus BX 51-P. The result of research was increased the compressive strength and density of microstructures in line with the decrease in porosity and pore size of concrete and concrete age. Compressive strength relations (σss) and porosity (pss) the SCC used sea water can be approximated equation σss = σo (1-p)K, with σo = 119.6 and K = 7.502.

## Keywords
- Compressive strength
- Porosity
- Materials science
- Composite material
- Pervious concrete
- Geotechnical engineering
- Mixing (physics)
- Microstructure
- Cement
- Geology
- Quantum mechanics
- Physics

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Sumber: Discover Unhas — RIMS Universitas Hasanuddin.
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