Abstract
Abstract: The authors performed the experimental work to propose the strength prediction equation for high strength concrete based on thenon-destructive test methods. The concrete specimens that the range of design compressive strength was 40~80 MPa was produced i n laboratory, and then tested rebound test and ultrasonic velocity methods and also compressive test according to the Korea Standard. The tes t results was compared with previously equations suggested by other researcher. From the test, these traditional nondestructive methods are simple, qu ick, has proven to be reliable and useful method for predicting the concrete strength. The test results were compared with the previous equations and then newly proposed own equations based on the test results. The proposed equations have the suitable precision and accuracy for applying the high strength concrete structuresKeywords: Rebound test, Ultrasonic pulse velocity, High strength concrete, Compressive strength 1 정회원, 지진방재연구센터 연구원
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