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Civil and Structural Engineering
Cutting a RCC Column in order to take measurements of Rebar in the Column and Diameter Check.
The Ferro Scan Test or Electromagnetic Cover Measurement is one of the non-destructive tests used to determine the positions and the quantity of reinforcement steel inside concrete members. This test can be used to inspect old buildings which do not have structural drawings or may only have outdated drawings which may not include any later renovations. The Ferro Scan Test can be used to determine the current positions and the quantity of reinforcement steel in concrete members, the data of which can be further used to determine the load carrying capacity of the structures. The Ferro Scan Test operates on the principle of the electromagnetic field. The emitter head releases an electromagnetic field, and when the emitter head is placed closer to any reinforcement area, the reinforcement bar with induction properties will disturb the electromagnetic field. Thus, the area where the electromagnetic field is shown to be disturbed can represent the location of the reinforcement steel. Source: https://resolutionengineering.co.th/en/ferroscan-test/
A little brief of pictorial evidence of laying of Sheet Pile of my construction site visit at Agrabad, Chattogram, Bangladesh. Sheet piling is an earth retention and excavation support technique that retains soil, using steel sheet sections with interlocking edges. Sheet piles are installed in sequence to design depth along the planned excavation perimeter or seawall alignment. Sheet pile walls have been used to support excavations for below grade parking structures, basements, pump houses, and foundations, construct cofferdams, and to construct seawalls and bulkheads. Permanent steel sheet piles are designed to provide a long service life.