Study on the preparation and bioproperty of eco-plant concrete
ZHANG Quangui
ZHAO Yuxiang
LI Yang
KANG Wang
ZHAO Wenjing
BIAN Xuejun
WAN Weifu
Abstract：The key of preparing eco-plant concrete is to solve the contradiction between strength and alkalinity of concrete.In this paper,chemical alkali reduction,physical alkali reduction,and combination of physical alkali reduction and agronomic alkali reduction are used.The effects of water binder ratio,fly ash content,mineral powder content,silica fume content,polycarboxylic acid water reducer content on compressive strength,pH value of pore environment and porosity of eco-plant concrete were studied.The optimum selection test of planting methods and plant varieties was carried out.The results show that the 28 d compressive strength of eco-plant concrete determined by the optimal is 13.4 MPa and pH is 11.0,which cannot meet the needs of planting.The mixture ratio design combined with the method of agricultural alkali reduction and physical alkali reduction,the 28 d compressive strength of eco-plant concrete after treatment was 12.4 MPa,and the soil pH was 8.8.As a suitable plant,tall fescue grows well on eco-plant concrete.
Keywords：eco-plant concreteorthogonal experimentalkali reductioncompressive strengthpH value
Publication Date：2024-12-25
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：5( 47-51 )