masonry structures
21Timeline of Russian inventions and technology records — The Hall of Space Technology in the Tsiolkovsky State Museum of the History of Cosmonautics, Kaluga, Russia. The exhibition includes the models and replicas of the following Russian inventions: the first satellite, Sputnik 1 (a ball under the… …
22Jacques Heyman — (* 8. März 1925) ist ein britischer Bauingenieur, emeritierter Professor für Baustatik an der Universität Cambridge. Heyman studierte ab 1941 an der Universität Cambridge Mathematik, wechselte aber schon bald zu Bauingenieurwesen. 1944 machte er… …
23Eurocode — (also known as EN Eurocode or EC) is a set of pan European model building codes developed by the European Committee for Standardisation.The EN Eurocode is organised in 57 parts, each part published as a separate European Standard .By 2002, ten… …
24Lighthouse — For other uses, see Lighthouse (disambiguation). Speculative drawing (c. 2006) of the Lighthouse of Alexandria, on the island of Pharos …
25Mechanical Concrete — A Mechanical Concrete tire derived cylinder A Mecha …
26Fireproofing — Fireproof redirects here. For the album, see Fireproof (album). For the 2008 film, see Fireproof (2008 film). Fireproofing, a passive fire protection measure, refers to the act of making materials or structures more resistant to fire, or to those …
27Navajo pueblitos — Frances Canyon Pueblito, New Mexico. The term Navajo Pueblitos, also known as Dinétah Pueblitos, refers to a class of archaeological sites that are found in the northwestern corner of the American state of New Mexico. The sites generally consist… …
28Defensive wall — See also: List of cities with defensive walls Part of the Great Wall of China, a UNESCO World Heritage Site …
29Neues Museum Restoration by David Chipperfield, Berlin (Germany), 2009 — Historical Context The Neues Museum (New Museum) is one of five museums in the Museum Island World Heritage site of Berlin, Germany. Friedrich Wilhelm IV, the “Romantic on the Prussian Throne”, envisioned Museum Island as an internationally… …
30Roman aqueduct — The ancient Romans constructed numerous aqueducts (Latin aquaeductūs , sing. aquaeductus ) to supply water to cities and industrial sites. These aqueducts were amongst the greatest engineering feats of the ancient world, and set a standard not… …
