钻探工程2024，Vol.51Issue(3)：142-149,8.DOI:10.12143/j.ztgc.2024.03.019
长螺旋钻机成桩混合料堵管的模糊故障树分析
The fuzzy fault tree analysis of mix-material blocking pipe in pile-forming of long spiral drill
海涛 1赵晓东1
作者信息
- 1. 济南轨道交通集团有限公司,山东 济南 250013
- 折叠
摘要
Abstract
In the process of drilling engineering construction,the mechanical failure will inevitably appear.The fault tree is one of the common methods to analyze the causes.But in the construction,due to the insufficient data or no attention to save these data,assigning value is difficult in the actual application and only qualitative analysis can be made.In view of the fuzziness and uncertainty when faults of the engineering construction machinery happened,the occurrence probability of the bottom event is described with fuzzy number,and a machinery fault tree analysis method for engineering construction based on triangular fuzzy number is proposed.This method uses the experience of experts,field technicians and operators to describe the probability interval of each bottom event.The median importance of the triangular fuzzy number is caculated and is used to sort the causes of the fault,which is served as the basis for formulating preventive measures.Finally,it is applied to the reason analysis of mix-material blocking pipe of long spiral drill,and makes targeted preventive measures for faults according to the fuzzy importance.The results show that the ranking of important influencing factors is consistent with the qualitative analysis and judgment of the field technicians and operators.关键词
长螺旋钻机/混合料堵管/模糊故障树/三角模糊数/中位数Key words
long spiral drill/mix-material blocking pipe/fuzzy fault tree/triangle fuzzy number/median分类
土木建筑引用本文复制引用
海涛,赵晓东..长螺旋钻机成桩混合料堵管的模糊故障树分析[J].钻探工程,2024,51(3):142-149,8.
