基于模糊信息优化技术的黄土湿陷性评价  

Evaluation of loess collapsibility based on the application of fuzzy information optimization technique

作　　者：李瑞娥[1,2] 谷天峰[3] 王娟娟[1] 秦凤艳[4] 

机构地区：[1]西安建筑科技大学结构工程与抗震教育部重点实验室,陕西西安710055 [2]西部建筑科技国家重点实验室(筹),陕西西安710055 [3]西北大学地质系,陕西西安710069 [4]皖西学院,安徽六安237012

出　　处：《西安建筑科技大学学报（自然科学版）》2009年第2期213-218,共6页Journal of Xi'an University of Architecture & Technology(Natural Science Edition)

基　　金：交通部西部交通建设科技项目(200631881291)

摘　　要：为了对黄土湿陷性做出与实际情况较为接近的评价与预测,引入模糊数学理论,应用模糊信息优化技术建立黄土湿陷性评价模型.对收集的50组黄土湿陷性的试验资料进行分析,选取压缩系数、孔隙比这两个影响因素建立了与湿陷系数之间模糊关系,得到相应的湿陷性评价数学模型.应用该模型对8组非母体资料进行验证,结果表明该方法精度较高,效果良好,故该方法能够较好的应用于实际.In order to make the evaluation and forecast of loess collapsibility close to the truth, the fuzzy mathematics theory is introduced in the field. With the application of the fuzzy information optimization technique, an evaluation model of loess collapsibility is established. After analyzing the 50 sets of collapsing loess data from test, the fuzzy relationship between the coefficient of collapsibility and coefficient of compressibility, pore-solid ratio which is selected from influence factors is built, and the corresponding mathematics model of evaluation collapsibility is established. After checking another eight sets data by using the mathematics model, it indicated that the model possessed high precision and good effect. It can be in good application.

关 键 词：黄土湿陷性评价 湿陷系数 孔隙比 压缩系数 模糊信息优化 信息扩散 

分 类 号：TU471.99[建筑科学—结构工程]