SONDAGENS SPT: ANÁLISE DE ADEQUAÇÃO À NBR 6484 VIGENTE – ESTUDO DE CASO EM UM MUNICÍPIO DA PLANÍCIE COSTEIRA SUL DO RIO GRANDE DO SUL

Abstract

This paper organizes in a WebGIS data from SPT tests carried out in Rio Grande, city located in the South of Rio Grande do Sul state, in the Coastal Plain, and verifies the adequacy of these tests to the three versions of NBR 6484. It is observed that among the 66 sets of reports evaluated, which group 303 surveys bulletins evaluated, in majority terms: (i) the tests were carried out to provide geotechnical information for projects and/or execution of public works; (ii) were carried out between 2005 and 2015; (iii) only 7 companies carried out more than one test; (iv) no company is headquartered in Rio Grande; (v) presented a sketch of drilling holes location; (vi) samples were collected; (vii) the ground level was indicated; (viii) there is indication of the water level immediately after the test, but not after 12/24 hours; (ix) there was need to stabilize the drilling hole; (x) the advancement system was not made in accordance with technical standard or was not specified; (xi) the survey stoppage criteria was not specified; (xii) the coating tube and sampler followed the standard indications; and (xiii) the compacity/consistency classification was adequate. Finally, it is understood that although this study was carried out with tests only realized at Rio Grande city, it is very likely that the observed inadequacies do not just represent a local reality.