Auxiliary device for testing dynamic elastic modulus of concrete core sample by using forced resonance method

• Main Authors: YANG ZHI, QIN LING, XU LIANG, ZHENG LEI, ZHANG CHENGYIN, YEE KWOK WAI, SUN SHUBIN, ZHENG JI, LIU LEI, LIU CHANGSHUN, ZHANG YATAO, WU CHAO, DING XIAOJING, ZHU TIANSHENG, XU WEI, JIANG TENGSHOU, ZHANG KUN
• Format: Patent
• Language: Chinese; English
• Published: 28.03.2023
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model relates to the technical field of concrete material test, and discloses an auxiliary device for testing the dynamic elastic modulus of a concrete core sample by a forced resonance method, which comprises a base, a vibration pickup measuring head positioning groove and a core sample test piece support body are arranged on the base, and the outer side of the vibration pickup measuring head positioning groove is designed to be a rectangular surface. The inner side is designed to be a semicircular curved surface, a steel plate is arranged at one end of the vibration pickup measuring head positioning groove, the core sample test piece supporting body is arranged on the outer side of the vibration pickup measuring head positioning groove, the outer side of the core sample test piece supporting body is designed to be a rectangular surface, and the inner side of the core sample test piece supporting body is designed to be an arc-shaped curved surface; and the arc length of the end surface of the cor