一种纤维加筋土的抗剪强度预测方法

By plotting the functional relationship curves between fiber parameters and soil cohesion and applying the Mohr-Coulomb strength theory, a predictive model for the shear strength of fiber-reinforced soil was established. This solved the problem of inconsistent influence of fiber parameters on shear strength, achieving rapid and accurate prediction results and promoting the development of geotechnical engineering.

CN116029113BActive Publication Date: 2026-07-17XIJING UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XIJING UNIV
Filing Date
2022-12-27
Publication Date
2026-07-17

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Abstract

一种纤维加筋土的抗剪强度预测方法，具体包括：一、去除量纲化影响，建立加筋土黏聚力ceq与纤维长度、纤维含量及纤维直径的函数；二、根据步骤一得到的函数关系式，绘制cFR / c0～FL*FC / d曲线，对函数进行拟合并根据摩尔‑库伦强度理论，整理得到抗剪强度模型；本发明在模型建立过程中，由于采用了去除量纲化影响，使得预测误差更小，模型的适用性和有效性更高；结合摩尔‑库伦强度理论，对纤维长度及含量等参数进行优化，使纤维加筋土的抗剪强度达到最佳值；在模型建立过程中，通过试验数据进行回归分析，能够更为准确的探究纤维参数对纤维加筋土抗剪强度的影响规律，进一步推动岩土工程测试技术的发展。
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