Evaluation of Destructive and Non-Destructive Testing of Existing Hotel Structures for Shopping Centre Conversion
DOI:
https://doi.org/10.46799/ajesh.v3i7.359Keywords:
Destructive, Non-Destructive Struktur Test, UPV Test, Coredrill TestAbstract
Changes in the function of a building will affect the structural loading, which, based on government regulations in building permits, must be reviewed for the feasibility of building functions through structural assessment. This research aims to analyze the condition of the concrete quality of building beams, columns, and slabs that are more than 50 years old. The methods used include non-destructive testing (NDT) and destructive testing (DT) on the structures. From the results of the non-destructive UPV (Ultrasonic Pulse Velocity) Test on 20 elements (100 tests) using the PUNDIT tool, the average concrete quality based on BS 1881 and ASTM C597-16 standards was found to be 28.15 MPa for columns, 25.11 MPa for beams, and 25.60 MPa for slabs. The Hammer Test showed an average concrete quality of 27.95 MPa for columns, 31.41 MPa for beams, and 31.20 MPa for slabs. The destructive method using core drilling on 8 structural elements revealed an average concrete quality of 25.58 MPa for columns, 34.61 MPa for beams, and 35.89 MPa for slabs. The hardness test for reinforcing steel indicated an average yield strength of 361 MPa. The compressive strength results of the column structure concrete meet the minimum requirements of 21 MPa for special structure concrete quality based on SNI-2847-2019. It is recommended to recalculate the structure with concrete quality fc' 25 MPa and steel quality fy 360 MPa to identify elements that need structural strengthening.
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Copyright (c) 2024 Nurokhman, Hery Kristiyanto, Muhammad Ryan Iskandar, Edy Masduqi, Qodri Sihotang
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