Patent
Water permeable concrete block for pavement
TLDR
In this paper, a water permeable concrete block for pavement cured by vibrationally molding a kneading material of a pavement composition composed of a coarse aggregate and mortar of 0.15 to 0.8 in the volume ratio to the coarse aggregate by external vibration having a frequency of 2,000 to 8,000 vpm.Abstract:
PROBLEM TO BE SOLVED: To provide a water permeable concrete block for pavement having a large water permeable factor even in flexural strength not less than 5.0 N/mm2. SOLUTION: In this water permeable concrete block for pavement cured by vibrationally molding a kneading material of a pavement composition composed of a coarse aggregate and mortar of 0.15 to 0.8 in the volume ratio to the coarse aggregate by external vibration having a frequency of 2,000 to 8,000 vpm, the mortar includes at least cement, pozzolan fine powder, a fine aggregate having the particle size not more than 2 mm, a water reducing agent and water.read more
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Nano-composite environment-friendly water permeable brick and production method thereof
TL;DR: In this article, a nano-composite environment-friendly water permeable brick is presented, which consists of a concrete bottom layer and a mortar surface layer arranged on the concrete bottom and the mortar surface layers are compounded to form an integrated structure.
Patent
Permeable-concrete product and pavement for roadway
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