Preprint Concept Paper Version 1 Preserved in Portico This version is not peer-reviewed

Mechanical Properties of Botanical Recycled Concrete under Different Production Conditions

Version 1 : Received: 3 May 2020 / Approved: 3 May 2020 / Online: 3 May 2020 (06:20:37 CEST)

How to cite: Liang, L.; Sakai, Y. Mechanical Properties of Botanical Recycled Concrete under Different Production Conditions. Preprints 2020, 2020050024 (doi: 10.20944/preprints202005.0024.v1). Liang, L.; Sakai, Y. Mechanical Properties of Botanical Recycled Concrete under Different Production Conditions. Preprints 2020, 2020050024 (doi: 10.20944/preprints202005.0024.v1).

Abstract

Botanical recycled concrete, or concrete bonded with wood, is formed by heat pressing the mixture of concrete and wooden waste. Botanical recycled concrete is a relatively new material and the relationship between production condition and its real-world performance is not clear yet. This experimental study investigated the influence of several production condition factors on the density and bending strength of botanical recycled concrete. As a result, temperature and mass ratio of concrete powder to wood flour presented significant effects on the density of this botanical recycled concrete. The increase in production temperature resulted in a remarkable increment in density and bending strength. This is probably due to increased wood flowability and accelerated compaction and bonding formation. The fineness of wood flour had a significant effect on improving bending strength. This is attributed to a larger contact surface between the wood substance and concrete particles.

Subject Areas

recycling; circularity; concrete waste; wood waste; botanical concrete; heat pressing

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