Research on the mechanical properties of marine soft clay solidified with waste tile powder-calcium carbide residue geopolymer under freeze-thaw cycles.

Chuanxin Du, Gang Yang, Zhilu Jia, Rui Zhang, Zhijia Xue

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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.

Chuanxin DuSchool of Environment and Safety Engineering, North University of China, Taiyuan, 030051, Shanxi, China.

Gang YangState Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian, 116024, Liaoning, China.

Zhilu JiaSchool of Environment and Safety Engineering, North University of China, Taiyuan, 030051, Shanxi, China.

Rui ZhangSchool of Environment and Safety Engineering, North University of China, Taiyuan, 030051, Shanxi, China.

Zhijia XueSchool of Highway, Chang'an University, Xi'an, 710064, Shaanxi, China. xuegeneral@126.com.

Funding

Fundamental Research Program of Shanxi Province 202203021222033Fundamental Research Program of Shanxi Province 202303021212205Fundamental Research Program of Shanxi Province 202303021222088Postdoctoral Fellowship Program of CPSF under Grant Number GZC20241585 GZC20241585Xianyang Engineer and Scientist Funding S2024-CXNL-KJRCTD-DWJS-2707

6 · The paper itself

Abstract

Based on the demand of marine soft clay treatment, it is still urgent to seek green cementitious materials. Meanwhile, knowledge gaps exist regarding the application of waste tile powder (WTP)-calcium carbide residue (CCR) geopolymer into marine soft clay. This research explores the mechanical properties and freeze-thaw durability of WTP-clay-CCR system. Experimental results of unconfined compressive strength demonstrate that the strength is 1832.77 kPa after the incorporation of 13% CCR and 15% WTP. However, it is reduced to 474.69 kPa after 4 freeze-thaw cycles. The stability index (SI) is 0.422 after 2 freeze-thaw cycles but it is improved after the incorporation of CCR and WTP. The strength calculation model containing freeze-thaw cycles is proposed. The failure strain of sample is 1.0-2.0%. The peak strain energy and secant modulus are 18.53 kJ/m

Indexed as

Calcium carbide residueFreeze–thaw durabilityGeopolymerMechanical propertiesWaste tile powder

Identifiers

PMID40596131

DOI10.1038/s41598-025-05980-4

PMCPMC12214496

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