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Journal > JURNAL KARYA TEKNIK SIPIL > PENGARUH JARAK DAN VARIASI PENEMPATAN MULTI-INKLUSI BERBENTUK LINGKARAN TERHADAP PERILAKU BETON

 

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JURNAL KARYA TEKNIK SIPIL
Volume 4, Nomor 4, Tahun 2015
PENGARUH JARAK DAN VARIASI PENEMPATAN MULTI-INKLUSI BERBENTUK LINGKARAN TERHADAP PERILAKU BETON
Yesica, Anastasia ( Jurusan Teknik Sipil FT. UNDIP Jl. Prof. H. Soedarto SH., Tembalang, Semarang 50275)
Editia, Rakhma Nurfitriani ( Jurusan Teknik Sipil FT. UNDIP Jl. Prof. H. Soedarto SH., Tembalang, Semarang 50275)
Adi, Rudi Yuniarto ( Jurusan Teknik Sipil FT. UNDIP Jl. Prof. H. Soedarto SH., Tembalang, Semarang 50275)
Lie, Han Ay ( Jurusan Teknik Sipil FT. UNDIP Jl. Prof. H. Soedarto SH., Tembalang, Semarang 50275)
Article Info   ABSTRACT
Published date:
09 Nov 2015
 
The stress-strain response of the basic concrete making material, i.e. the mortar and aggregates, are well known. In general, the aggregate behaves linearly up till failure, possessing a very high ultimate compression strength and stiffness. The behavior of mortar is non-linear, even at low loading levels. The resulting composite material, the concrete, exhibits a less stiff response, in combination with degradation in strength. This study looked into the influence of the centroid distance and configuration of a 100x100x50 mm mortar specimen. Two inclusion configurations were considered, parallel and diagonal to the line of loading with the distance variety. It was shown that the centroid distance and configuration strongly influenced the strength, the stiffness, and failure mode. The strength behavior had a minimum and a maximum bifurcation point, while the stiffness response increased, as a function of an increase in the inclusion-to-specimen volume ratio. Visual observation of the cracking pattern revealed that the initial cracking was always situated at the interface between the aggregate and mortar in tension and propagated through the mortar matrix. It was also perceived that the crack propagation path of the very dense, diagonally arranged inclusions deviated from the columnar configuration observed from the parallel inclusion formation.
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