In a factory, when holes were drilled down on concrete beams to place the anchor bolts to support vibrating machines, air voids were found. However, the problem is, the location of the air void was unknown. The possibilities were that the air void was at drilling locations coincidently, was at some other locations or was…
Basic technique for building assessment Visual inspections are generally conducted as the first step of structural evaluations due to its simplicity and benefit-to-cost advantage. The structural geometries, e.g. tilting, levelness, plumb, and settlement, will be carefully investigated using geometric surveying equipment (digital theodolite, measuring tapes, bubble level, etc.) to identify the possible major structural threats.…
RE conducted the Chemical Anchor Pull Out Test. This chemical anchor was installed on the floor as moment-resisting support of the new column. Thus, this chemical anchor must be able to resist tension force according to the design. In this case, proof load according to the design was applied. Test frames, load cells, displacement transducers, and the…
The Concrete Coring Test is the most effective assessment of the compressive strength of concrete. The concrete sample at the site will be cored using a coring machine and then tested in the laboratory. The test yields high accuracy. However, it must be noted here that the Concrete Coring Test is a destructive test. Nonetheless,…
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