基于AHP-FCE方法的气泡混合轻质土耐久性评估

发布时间：2018-02-25 00:17

本文关键词： 气泡混合轻质土轻质土耐久性层次分析法(AHP) 模糊综合评价法(FCE) 轻质土路基高速公路收费岛范围路基　出处：《河海大学学报(自然科学版)》2017年04期 　论文类型：期刊论文

【摘要】：为提高气泡混合轻质土的耐久性能,将层次分析法(AHP)和模糊综合评价法(FCE)相结合,对气泡混合轻质土耐久性进行综合全面评估。基于气泡混合轻质土的物理力学性质,从初步设计、施工工艺和运行管理角度出发,选择相应的影响因子,建立了影响因子等级标准;建立了基于目标层、准则层和指标层的气泡混合轻质土耐久性综合评估模型,通过AHP法确定下一层次相对于上一层次的影响权重,并对判断矩阵进行一致性检验,证明了影响因子权值分配的合理性;构建了适用于各影响因子的隶属函数,计算相应的隶属度,并给出模糊综合评价的具体方法;以广东某高速公路S03标段收费岛范围的轻质土路基为实例,对该项目进行耐久性综合评估,证明了AHP-FCE方法的实用性与可靠性。
[Abstract]:In order to improve the durability of bubble mixed lightweight soil, a comprehensive and comprehensive assessment of the durability of bubble mixed lightweight soil was carried out by combining the Analytic hierarchy process (AHP) with the Fuzzy Comprehensive Evaluation method (FCE). Based on the physical and mechanical properties of bubble mixed lightweight soil, From the angle of preliminary design, construction technology and operation management, the influence factors are selected, and the grade standard of influence factors is established, and the comprehensive evaluation model of bubble mixing lightweight soil durability based on target layer, criterion layer and index layer is established. The influence weight of the next level relative to the previous level is determined by the AHP method, and the consistency test of the judgment matrix is carried out to prove the rationality of the distribution of the weight value of the influence factor, and the membership function suitable for each influence factor is constructed. The corresponding membership degree is calculated, and the concrete method of fuzzy comprehensive evaluation is given, and the durability of the project is evaluated by taking the light soil subgrade of the S03 toll island of Guangdong Expressway as an example. The practicability and reliability of AHP-FCE method are proved.
【作者单位】：河海大学岩土力学与堤坝工程教育部重点实验室;江苏省岩土工程技术工程研究中心河海大学;河海大学隧道与地下工程研究所;河海大学岩土工程科学研究所;
【基金】：国家自然科学基金青年基金(51609071) 江苏省自然科学基金青年基金(BK20140848) 广东省交通运输厅科技项目(科技-2015-02-013)
【分类号】：U416.1

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