Abstract: An investigation of the stability of the roof of an 85-ft diameter cylindrical prestressed concrete wastewater treatment tank is presented. The roof of the tank is a very thick, shallow spherical dome. With a 1/16 rise to ...

Abstract: In November of 1990, approximately 850 m (2,800 ft) of the 2020 m (6,620 ft) long Lacey V. Murrow Bridge (LVMB), a 50-year-old floating concrete bridge over Lake Washington near Seattle, sank after a major storm. The bridge ...