Related Links: Another 'Death Ray' Building Heats Up Reflective Solar Rays Two developers say they will spend several million dollars on the facade of London’s 37-floor “Walkie Talkie” skyscraper to prevent the solar glare that caused scorching damage in the adjacent street last summer (ENR 9/16/13 p. 20).Lightweight, 38-centimeter-long metal fins, or brise soleile, will be fixed to the curved south facade of the building at 20 Fenchurch St. in a six-month operation, subject to planning approval from the local authority. Eight levels of fins are planned for each floor, from No. 3 to No. 34.Solar-glare investigations ordered by the
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.