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A platform for research: civil engineering, architecture and urbanism
Morphotectonic mapping for civil engineering construction in the northeastern part of the parana basin, Brazil
Summary The region mapped is located in the north-eastern part of the Parana basin in Brazil. The area contains sedimentary rocks and large flows and intrusions of basaltic rocks. As a result of transcurrent faulting due to the displacement of Atlantic plates to the west, followed by uplift, flexuring and normal faulting, the most important rivers draining the region flow out of the basin over fractured zones following the dip of the beds from SE to NW. Study of the frequency of occurrence of erosion surfaces in the more fractured zones offers a means of studying the structural conditions in the area and the degree of fracturing of rock masses. Geomorphological mapping, together with statistical surveys of erosion surfaces and regions with high and low degrees of depression and tilting, permits the localisation of areas more suitable for civil engineering works because of reduced seismicity, slope instability and water flows.
Morphotectonic mapping for civil engineering construction in the northeastern part of the parana basin, Brazil
Summary The region mapped is located in the north-eastern part of the Parana basin in Brazil. The area contains sedimentary rocks and large flows and intrusions of basaltic rocks. As a result of transcurrent faulting due to the displacement of Atlantic plates to the west, followed by uplift, flexuring and normal faulting, the most important rivers draining the region flow out of the basin over fractured zones following the dip of the beds from SE to NW. Study of the frequency of occurrence of erosion surfaces in the more fractured zones offers a means of studying the structural conditions in the area and the degree of fracturing of rock masses. Geomorphological mapping, together with statistical surveys of erosion surfaces and regions with high and low degrees of depression and tilting, permits the localisation of areas more suitable for civil engineering works because of reduced seismicity, slope instability and water flows.
Morphotectonic mapping for civil engineering construction in the northeastern part of the parana basin, Brazil
Simon Bjornberg, A. J. (author) / Gandolfi, N. (author) / Braga, Paraguassu A. (author) / Rodrigues, J. E. (author)
1980
Article (Journal)
English
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