What is Brutalism?

Brutalism is an architectural style roughly around 1950-180's. -it was a form of modernism -it stresses the exposed of buildings basic elements and materials -so instead of covering up the frame, mechanical systems, and support structures, they were celebrated -usually are city halls, libraries.. -term came from the British architect Reyner Banham that identified it both as an ethic and aesthetic -it is both an aesthetic and ideology (ideologically- structural components should be made visible) -most notable material is concrete- undecorated