微生物矿化沉积(MICP)技术强化再生骨料研究进展
Research progress of microbial induced calcite precipitation (MICP) technology for enhancing recycled aggregate
关键词:
微生物矿化沉积(MICP);建筑垃圾再生骨料;性能强化;机理分析;影响因素
Key words:
Microbial induced calcite precipitation (MICP); Recycled aggregates from construction waste; Performance enhancement; Mechanism analysis; Influencing factor
刊期:
2025年第10期
DOI:
10.19761/j.1000-4637.2025.10.154.06VVVV
文章编号:
基金项目:
作者:
冯建辉1,陈绍昌2,*,申心力3,张璟业4
单位:
1.广州市花都区道路交通基础设施建设管理中心,广东 广州 510420;2.贵州交通职业大学,贵州 贵阳 551400;3.中交特种工程有限公司,湖北 武汉 430071;4.广东交科技术研发有限公司, 广东 广州 510550
摘要
摘 要:阐述了微生物矿化沉积(MICP)技术强化再生骨料的机理,分析了影响该技术效能的主要因素(矿化环境、强化处理时长与方式、再生骨料特性、微生物类型),指出了当前研究存在的不足,并对未来研究发展方向进行了展望。
Abstract: The mechanism of microbial induced calcite precipitation (MICP) technology for enhancing recycled aggregates is illustrated, and the main factors (mineralization environment, duration and method of enhancement processing, characteristics of recycled aggregates, microbial types) affecting the effectiveness of this technology are analyzed. The shortcomings of current research are pointed out, and the future research development direction is prospected.
结论
(1)目前,MICP技术因其环境友好性、低能耗特性被广泛用于再生骨料性能强化,但其在实际应用中仍面临诸多瓶颈,如处理效率有待提升、经济成本较高、强化效果稳定性不足等。为此,未来研究重点可聚焦于筛选更具效能的微生物菌株,并优化CaCO3矿化沉积的关键条件。
(2)经MICP技术强化后,再生骨料性能虽得到了有效改善,但目前主要局限于试验室环境下研究,后续研究可考虑将其应用于不同服役环境下的实际工程项目,并开展长期的现场性能监测,以全面评估其服役性能及长期耐久性能,为技术转化提供可靠依据。
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引用本文
冯建辉,陈绍昌,申心力,等.微生物矿化沉积(MICP)技术强化再生骨料研究进展[J].混凝土与水泥制品,2025(10):154-159.
FENG J H,CHEN S C,SHEN X L,et al.Research progress of microbial induced calcite precipitation (MICP) technology for enhancing recycled aggregate[J].China Concrete and Cement Products,2025(10):154-159.
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