Investigation on the wind erosion resistance of aeolian sand solidified by enzyme mineralization combined with fiber reinforcement.

Jia Liu, Lujing Yuan, Gang Li, Jing Qu, Jinli Zhang

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Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 authors.

Jia LiuShaanxi Key Laboratory of Safety and Durability of Concrete Structures, Xijing University, Xi'an, 710123, Shaanxi, China.

Lujing YuanShaanxi Key Laboratory of Safety and Durability of Concrete Structures, Xijing University, Xi'an, 710123, Shaanxi, China.

Gang LiShaanxi Key Laboratory of Safety and Durability of Concrete Structures, Xijing University, Xi'an, 710123, Shaanxi, China. t_bag945@126.com.

Jing QuShaanxi Key Laboratory of Safety and Durability of Concrete Structures, Xijing University, Xi'an, 710123, Shaanxi, China.

Jinli ZhangState Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian, 116024, China.

Funding

Scientific Research Program Funded by Education Department of Shaanxi Provincial Government 23JS061Special Fund for Scientific Research by Xijing University XJ24B11

6 · The paper itself

Abstract

Sandstorms can lead to atmospheric pollution, soil degradation and health damage, which the origin of frequent outbreaks is that traditional methods cannot effectively solve the solidified of aeolian sand. Enzyme induced calcium carbonate precipitation (EICP) combined with basalt fiber reinforcement (BFR) or wool fiber reinforcement (WFR) method can significantly improved the strength and reduced the brittle fracture of sand. Based on the wind tunnel model test, this paper analyzed the effect of wind velocity (v), erosion angle (α), and erosion cycles (N) on the erosion resistance of aeolian sand solidified by EICP with BFR or WFR. According to analyzed the anti-erosion mechanism of aeolian sand, the erosion modulus model was established considered the effects of wind velocity and erosion angle. The results showed that compared with loose aeolian sand, EICP-solidified sand formed a hard layer on the surface, and the mass loss rate (η) increased with increasing of wind velocity, erosion angle and erosion cycles. Under the strongest erosion condition, the η of loose sand, EICP, EICP-BFR and EICP-WFR solidified aeolian sand reached 88.79%, 63.55%, 55.57% and 52.40%, respectively. As the number of erosion cycles increases, the η of EICP-solidified aeolian sand rises from 1.46 to 7.59%, that of EICP-BFR-solidified sand from 0.82 to 6.41%, and that of EICP-WFR-solidified sand from 0.71 to 6.26%. The addition of fiber can effectively promoted the cementation of CaCO

Indexed as

Aeolian sandEICPFiber reinforcementModel testWind erosion resistance

Identifiers

PMID41023248

DOI10.1038/s41598-025-18842-w

PMCPMC12480534

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