Research on Non-destructive Testing Technology Based on the Burial Depth of Steel Guardrail Columns
Based on the non-destructive testing technology of steel guarral column buried depth,this paper verified a method of measuring col-umn buried depth by using the principle of impact elastic wave reflection.The buried depth testing test of soil column,mortar column and con-crete column was carried out,and compared with the actual buried length.The results show that this method has higher detection accuracy and reliability,and the error of the column in soil is smaller than the other two conditions.At the same time,the influence of climate,column em-bedding time,column embedding condition and column coating on the non-destructive detection of column embedding depth is also analyzed,which provides certain reference value for improving the feasibility and accuracy of non-destructive testing technology based on the burial depth of steel guardrail columns.
Steel guardrailDepth of columnNon-destructive testingDetection accuracy
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