FraMCoS 7 2010 Jeju, South Korea

Landscaping of ASR cracked retaining wall using HPFRCC shotcretes and observation over 5 years

High performance fiber-reinforced cementitious composites (HPFRCCs) were shotcreted onto an ASR-cracked concrete gravity retaining wall on a trial basis primarily for its landscaping. The width of cracks in the HPFRCCs was mostly limited to not more than 0.1 mm even…

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Year 2010
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Abstract

High performance fiber-reinforced cementitious composites (HPFRCCs) were shotcreted onto an ASR-cracked concrete gravity retaining wall on a trial basis primarily for its landscaping. The width of cracks in the HPFRCCs was mostly limited to not more than 0.1 mm even 5 years after application, proving the expected effect of HPFRCCs. Within the range of this application, the effects of placing steel reinforce- ment and sealing cracks in the substrate concrete were not appreciable. Acrylic coating on the HPFRCC layer had an appearance-improving effect only for a short period.