Estudo de fraturas nos taludes de corte, em rocha vulcânica, ao longo da BR 158, Santa Maria, RS
DOI:
https://doi.org/10.5902/2179460X27022Abstract
Weathering processes and jointing degree are the conditioning factors for rock falI.
The fractured volcanic lithologies from Santa Maria, RS, Brazil, were studied along the BR 158 road. Data was gathered through the Scanline method from BRADY & BROWN (1985) and analyzed by vector statistics.
Six main jointing groups were defined, associated to rock cooling and shrinking. Main attitudes are: Group 1: 348;83; Group 2: 174;82; Group 3: 85;76; Group 4: 265;75; Group 5: 300;42 and Group 6: 121 ;53.
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