Mechanical Properties of Gunny Sack Fiber Concrete  

Oleh:

Antonius ; Indarto, Himawan ; Kurniastuti, Devita

Jenis: Article from Proceeding
Dalam koleksi: Proceeding The 1st International Conference on Sustainable Civil Engineering Structures and Construction Materials (SCESCM) di Yogyakarta, September 11 – 13, 2012, page 172-176.
Topik: concrete; fiber concrete; gunny sack; mechanical properties
Fulltext: 23.pdf (588.13KB)

Isi artikel

This paper summarizes the experimental investigation of gunny sack fiber concrete in the mechanical properties. Two batches of mix concrete with target of normal and high-strength concrete were used to cast a large number of control specimens. The dimension of gunny sack fiber used are 0,5 mm diameter and 20 mm length, with substitution of 0%, 0.5% and 1% to the volume of concrete. Information is given pertaining to compressive strength, tensile strength, modulus of elasticity, Poisson ratio, modulus of rupture, shrinkages and stress-strain response under uniaxial loading. From testing results shows that normal and high-strength concrete can be produced by gunny sack fiber concrete. The addition of 0.5% gunny sack fiber of the concrete volume is the most optimum in improving the mechanical properties of concrete, such as the tensile strength, ductility, shrinkage and fracture test. Significant differences were found in the compressive strength, modulus of elasticity and poisson ratio while gunny sack fiber concrete have tends the lower value compared with the properties of normal concrete

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