Experimental Study on Effects of Binder Strength and Aggregate Size on Relationship Between Compressive Strength and Void Ratio of Porous Concrete

Hatanaka, Shigemitsu; Mishima, Naoki; Yuasa, Yukihisa

doi:10.3130/aijs.70.17_3

Cited by 5 publications

(2 citation statements)

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“…Three types of previous studies have been reported which contradict one another. One reported that the compressive strength increased with decreasing aggregate diameter due to increase in the number of aggregate contact point (Nakazawa et al 1996), another one reported that the compressive strength increased with increasing aggregate diameter due to dripping of binder which reinforces the aggregate contact points (Hatanaka et al 2005), and the other one reported that the aggregate diameter had little effect on compressive strength . The results of this study indicated a low influence of the aggregate diameter.…”

Section: Strength Propertiesmentioning

confidence: 99%

“…1976;Keven et al 2006;Tran et al 2009;Nakazawa et al 1996;Tamai et al 1994). Further, the authors have carried out a series of related research projects and proposed the relationships of void ratio and compressive strength of POC (Hatanaka et al 2005(Hatanaka et al , 2012Yuasa et al 2002;Chindaprasirt et al 2008Chindaprasirt et al , 2009Nakagawa et al 2010). …”

Section: Introductionmentioning

confidence: 99%

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Fundamental Study on Properties of Small Particle Size Porous Concrete

Hatanaka

Mishima

Maegawa

et al. 2014

ACT

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In the present research, the influence of aggregate size on various characteristics (strength, permeability, water retention and water wicking) of small particle size porous concrete was examined. The properties of small particle size porous concrete using small size crushed stone (particle size: 0.6-1.2, 1.2-2.5 mm) were compared with those of ordinary porous concrete using ordinary size crushed stone (5-13 mm). According to the test results, compressive strength of porous concrete was not influenced to a significant degree by aggregate size, while flexural strength became higher with decreasing particle size. Also, it was shown that small particle size porous concrete is superior in water retention and wicking compared to ordinary particle size porous concrete. It should be noted, however, that permeability of small particle size porous concrete was rather low. Further, clarifying the configuration of voids in the porous concrete is essential for the quantitative discussion on the behaviors of water in porous concrete.

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Section: Strength Propertiesmentioning

confidence: 99%