retrofit design
71Noise mitigation — is a set of strategies to reduce noise pollution. The main areas of noise mitigation or abatement are: transportation noise control, architectural design, and occupational noise control. Roadway noise and aircraft noise are the most pervasive… …
72Steel plate shear wall — A steel plate shear wall (SPSW) consists of steel infill plates bounded by a column beam system. Overview When these infill plates occupy each level within a framed bay of a structure, they constitute an SPSW [Kharrazi, M.H.K., 2005, “Rational… …
73Progressive collapse — A building undergoes progressive collapse when a primary structural element fails, resulting in the failure of adjoining structural elements, which in turn causes further structural failure, similar to a house of cards. Contents 1 Timeline of… …
74Escalator — For the album by Sam Gopal, see Escalator (album). Escalators in a Copenhagen Metro station, Denmark, 2007 Escalator in action, 2011 An e …
75Consolidated B-24 Liberator — B 24 redirects here. For other meanings, see B24 (disambiguation). B 24 Liberator U.S. Army Air Forces Consolidated B 24D Liberator over Maxwell Field, Alabama …
76Entity–attribute–value model — (EAV) is a data model to describe entities where the number of attributes (properties, parameters) that can be used to describe them is potentially vast, but the number that will actually apply to a given entity is relatively modest. In… …
77Light pollution — This article is about light pollution in the visible spectrum. For information on pollution in the radio spectrum, see radio spectrum pollution. This time exposure photo of New York City at night shows skyglow, one form of light pollution …
78Hawker Hurricane — Hurricane Hurricane Mk I (R4118), which fought in the Battle of Britain Role Fighter …
79New Urbanism — Neotraditionalism redirects here. For other uses, see Neotraditional. New Urbanism is an urban design movement, which promotes walkable neighborhoods that contain a range of housing and job types. It arose in the United States in the early 1980s …
80Bicycle frame — Steel frame of 2000 LeMond Zurich road racing bicycle mounted in a work stand …
