Qualitative and quantitative defect detection method for thin-walled centrifugal concrete steel tube tower

• Main Authors: CHEN WEI, YAO DEGUI, MA DONGFANG, CUI DATIAN, WANG YI, XIAO HAN, ZHANG WUNENG, SHI HONGFEI, MA LEI, GENG JINFENG
• Format: Patent
• Language: Chinese; English
• Published: 13.03.2020
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention provides a qualitative and quantitative defect detection method for a thin-walled centrifugal concrete steel tube tower. The method comprises the following steps: S1, introducing an advanced phased array defect imaging detection technology into steel tube pole weld joint detection, accurately judging the property, size and severity of defects, and achieving nondestructive evaluationof standard exceeding defects of a steel tube pole; S2, studying the influence of the welding temperature on the performance of the thin-walled centrifugal concrete steel tube tower; S3, testing the bonding condition of a concrete-filled steel tube by means of nondestructive testing; S4, determining a safety evaluation method for the allowable defect size of a defect-containing thin-walled centrifugal concrete steel tube tower; and S5, researching reinforcement schemes for the defect-containing thin-walled centrifugal concrete steel tube tower; and checking the strength of the defect-containing thin-walled centrifugal