Static mechanical properties and impact resistance of amorphous metallic fiber-reinforced concrete

This study examined the effect that the thin plate shape of the amorphous metallic fibers has on the attainability of the mixing conditions, the static mechanic properties, and the impact resistance of concrete and cement composites (mortar) to those of hooked-end steel fibers. The amorphous metallic fiber-reinforced concrete was found to lose a significant amount of its flowability as a result of mixing, relative to the hooked-end steel fiber reinforced concrete. The hooked-end steel fiber exhibited pull-out from the matrix after the peak pull-out load was attained, while the amorphous metallic fiber with the large bond-specific surface area was not pulled out from the matrix, but was instead cut off. In terms of impact resistance, the amorphous metallic fiber reinforced concrete was found to be more effective at resisting cracking than the hooked-end steel fiber reinforced concrete. Therefore, amorphous metallic fiber should be used in fiber reinforced cement composite materials and structures, for structural materials, and for protection panels.

[1]  Joo-Won Kang,et al.  Flexural behaviour of amorphous micro-steel fibre-reinforced cement composites , 2012 .

[2]  R. N. Swamy,et al.  Implications of test methodology on post-cracking and fracture behaviour of Steel Fibre Reinforced Concrete , 2013 .

[3]  Jong-Pil Won,et al.  Shrinkage and corrosion resistance of amorphous metallic-fiber-reinforced cement composites , 2014 .

[4]  Tarek H. Almusallam,et al.  Response of hybrid-fiber reinforced concrete slabs to hard projectile impact , 2013 .

[5]  O. Simsek,et al.  The effects of macro synthetic fiber reinforcement use on physical and mechanical properties of concrete , 2014 .

[6]  Victor C. Li,et al.  Interface Property and Apparent Strength of High-Strength Hydrophilic Fiber in Cement Matrix , 1998 .

[7]  Petr Konvalinka,et al.  Mix design of UHPFRC and its response to projectile impact , 2014 .

[8]  A. N. Dancygier,et al.  High strength concrete response to hard projectile impact , 1996 .

[9]  Mohamed Abdel-Kader,et al.  Effect of reinforcement on the response of concrete panels to impact of hard projectiles , 2014 .

[10]  T. Morita,et al.  IMPACT RESISTANT PERFORMANCE OF POLYPROPYLENE SHORT FIBER REINFORCED CONCRETE SUBJECTED TO HIGH VELOCITY IMPACT , 2013 .

[11]  A. N. Dancygier,et al.  Response of high performance concrete plates to impact of non-deforming projectiles , 2007 .

[12]  Jong-Pil Won,et al.  Bonding properties of amorphous micro-steel fibre-reinforced cementitious composites , 2013 .

[13]  E. F. O'Neil,et al.  Tensile Properties of Very-High-Strength Concrete for Penetration-Resistant Structures , 1999 .

[14]  Rilem.  FMC 1 Determination of the fracture energy of mortar and concrete by means of three-point bend tests on notched beams , 1985 .

[15]  A. Sellier,et al.  Study on the flexural properties of metallic-hybrid-fibre- reinforced concrete , 2010 .

[16]  Daejoong Kim,et al.  Cracking Behavior of RC Tension Members Reinforced with Amorphous Steel Fibers , 2014 .

[17]  Kyoung-Kyu Choi,et al.  Flexural Performance Characteristics of Amorphous Steel Fiber-Reinforced Concrete , 2014 .

[18]  A. N. Dancygier,et al.  Resistance of double-layer reinforced HPC barriers to projectile impact , 2014 .

[19]  V.P.W. Shim,et al.  Resistance of high-strength concrete to projectile impact , 2005 .

[20]  G. C. Johnson,et al.  Resistance of concrete protected by fabric to projectile impact , 2007 .

[21]  Frank J. Vecchio,et al.  Behavior of steel fiber-reinforced concrete slabs under impact load , 2014 .

[22]  Y. Chung,et al.  Effect of sand grain size and sand-to-cement ratio on the interfacial bond strength of steel fibers embedded in mortars , 2013 .