海上风电基础工业废渣-水泥流态固化土抗冲刷性研究

贾沼霖; 赵启翔; 练继建; 杨德锋; 张峥; 王素莉

doi:10.19912/j.0254-0096.tynxb.2025-0476

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太阳能学报 ›› 2026, Vol. 47 ›› Issue (7) : 260-267. DOI: 10.19912/j.0254-0096.tynxb.2025-0476

海上风电基础工业废渣-水泥流态固化土抗冲刷性研究

贾沼霖¹, 赵启翔¹, 练继建^1,2, 杨德锋³, 张峥¹, 王素莉⁴

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RESEARCH ON SCOUR RESISTANCE OF INDUSTRIAL WASTE SLAG-CEMENT FLUIDIZED CURING SOIL FOR OFFSHORE WIND POWER FOUNDATION

Jia Zhaolin¹, Zhao Qixiang¹, Lian Jijian^1,2, Yang Defeng³, Zhang Zheng¹, Wang Suli⁴

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摘要

以流态固化土作为研究对象,将矿渣、粉煤灰工业废渣替代部分普通硅酸盐水泥配置成流态固化土,通过开展无侧限抗压强度试验与抗冲刷试验,分析不同配比和养护时间对固化土无侧限抗压强度、冲刷率、起动切应力、起动流速的影响。结果表明：掺入矿渣可显著提升固化土的强度及抗海水侵蚀性能;当矿渣∶水泥（质量比）=1∶1时,固化土硬化24 h,可抵抗17.18 Pa水流剪切力和2.84 m/s水流流速,较纯水泥固化土（C20）起动流速和起动切应力分别提升了67.87%和43.31%;当粉煤灰掺量超过4%时,强度与抗冲刷性能显著下降。建立了起动流速、起动切应力与无侧限抗压强度之间的经验指数关系,提出快速预测流态固化土抗冲刷性方法。

Abstract

This study presents a comprehensive analysis of fluidized stabilized soil （FSS） formulations integrating industrial by-products—ground granulated blast furnace slag （GGBS） and fly ash （FA）—as partial cementitious replacements. Experimental evaluations employed unconfined compressive strength （UCS） testing and scour resistance assays to quantify the influence of mix design parameters and curing duration on UCS, scour rate, critical shear stress （$ \tau_{c} $）, and critical flow velocity （V_C）. Findings reveal that GGBS substitution significantly enhances both mechanical strength and marine erosion resistance, with a 1∶1 GGBS-to-cement blend achieving $ \tau_{c} $=17.18 Pa and V_C=2.84 m/s after 24-hour curing, representing 67.87% and 43.31% improvements in V_C and $ \tau_{c} $ respectively compared tocontrol specimens （C20）. Conversely, FA contents exceeding 4% by mass demonstrated detrimental effects on both strength development and scour resistance. Empirical exponential correlations were derived between UCS,$ \tau_{c} $, and V_C, forming the basis for a proposed predictive framework enabling rapid assessment of FSS scour resistance under hydraulic loading conditions.

导出引用

贾沼霖, 赵启翔, 练继建, 杨德锋, 张峥, 王素莉. 海上风电基础工业废渣-水泥流态固化土抗冲刷性研究[J]. 太阳能学报. 2026, 47(7): 260-267 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0476

Jia Zhaolin, Zhao Qixiang, Lian Jijian, Yang Defeng, Zhang Zheng, Wang Suli. RESEARCH ON SCOUR RESISTANCE OF INDUSTRIAL WASTE SLAG-CEMENT FLUIDIZED CURING SOIL FOR OFFSHORE WIND POWER FOUNDATION[J]. Acta Energiae Solaris Sinica. 2026, 47(7): 260-267 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0476

中图分类号： TU43

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