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Salginatobel Bridge
Salginatobel Bridge is a reinforced concrete arch bridge designed by Swiss civil engineer Robert Maillart. It was constructed across an alpine ravine in the grisonian Prättigau, belonging to the municipality of Schiers, in Switzerland between 1929 and 1930. In 1991, it was declared an International Historic Civil Engineering Landmark, the thirteenth such structure and the first concrete bridge so designated.Billington, 2003, p.60 As with his Schwandbach Bridge and Vessy Bridge, the structure's fame among civil engineers is a consequence of the techniques involved and the elegance of its design rather than its prominent location: it connects the village Schiers – on valley floor of the route between Landquart and Davos – with the alpine hamlet ''Schuders'' of almost 100 people, where the alpine post road ends, but is often visited by designers. Design and history Maillart had previously designed a three-hinged arch bridge over the Rhine at Tavanasa in 1904. In the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Schiers, Switzerland
Schiers is a Swiss village in the Prättigau and a municipality in the political district Prättigau/Davos Region in the canton of Graubünden. The first concrete girder bridge ever built, Salginatobel Bridge, is located in Schiers. Designed by Robert Maillart and completed in 1930, in 1991 it was the first concrete bridge to be designated an International Historic Civil Engineering Landmark by the American Society of Civil Engineers. History Schiers is first mentioned in 1101 A.D. as ''Scieres''. Geography Schiers has an area, , of . Of this area, 36.5% is used for agricultural purposes, while 44.3% is forested. Of the rest of the land, 2.1% is settled (buildings or roads) and the remainder (17.1%) is non-productive (rivers, glaciers or mountains). Before 2017, the municipality was located in the Schiers sub-district of the Prättigau/Davos district on the border with Austria. The highest point is the Drusenfluh at . It is located in the lower Prättigau valley at the mouth ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Falsework
Falsework consists of temporary structures used in construction to support a permanent structure until its construction is sufficiently advanced to support itself. For arches, this is specifically called centering. Falsework includes temporary support structures for formwork used to mold concreteHardie G.M. (1995) Building Construction: Principles, Practices, and Materials. New Jersey: Prentice Hall. (Pg 116, paragraph 1) in the construction of buildings, bridges, and elevated roadways. The British Standards of practice for falsework, BS 5975:2008, defines falsework as "Any temporary structure used to support a permanent structure while it is not self-supporting." History Falsework has been employed in bridge and viaduct construction since ancient times. The Romans were renowned for its use, as at the Limyra Bridge in Turkey. Until the turn of the 20th century almost all falsework was constructed from timber. To compensate for timber shortages in different regions and to ra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bridges Completed In 1930
A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually something that is otherwise difficult or impossible to cross. There are many different designs of bridges, each serving a particular purpose and applicable to different situations. Designs of bridges vary depending on factors such as the function of the bridge, the nature of the terrain where the bridge is constructed and anchored, and the material used to make it, and the funds available to build it. The earliest bridges were likely made with fallen trees and stepping stones. The Neolithic people built boardwalk bridges across marshland. The Arkadiko Bridge (dating from the 13th century BC, in the Peloponnese) is one of the oldest arch bridges still in existence and use. Etymology The '' Oxford English Dictionary'' traces the origin of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Deck Arch Bridges
Deck may refer to: A level or platform Buildings and structures * Deck (bridge), the roadway surface of a bridge * Deck (building), an outdoor floor attached to a building made of wood or wood-like material *Another name for a storey *The concrete or tile area surrounding a swimming pool *Deck arch bridge, a type of bridge *Observation deck, a platform situated upon a tall architectural structure or natural feature * Orthotropic deck * Roof deck, the framing and sheathing to which roofing material is applied Transportation *Bus deck, referring to the number of passenger levels on a bus *Cockpit A cockpit or flight deck is the area, usually near the front of an aircraft or spacecraft, from which a pilot controls the aircraft. The cockpit of an aircraft contains flight instruments on an instrument panel, and the controls that e ..., also called a "flight deck" Maritime *Deck (ship), a floor of a ship *Flight deck of an aircraft carrier Audiovisual equipment *Cassette ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Princeton University Art Museum
The Princeton University Art Museum (PUAM) is the Princeton University gallery of art, located in Princeton, New Jersey. With a collecting history that began in 1755, the museum was formally established in 1882, and now houses over 113,000 works of art ranging from antiquity to the contemporary period. The Princeton University Art Museum dedicates itself to supporting and enhancing the university's goals of teaching, research, and service in fields of art and culture, as well as to serving regional communities and visitors from around the world. Its collections concentrate on the Mediterranean region, Western Europe, Asia, the United States, and Latin America. The museum has a large collection of Greek and Roman antiquities, including ceramics, marbles, bronzes, and Roman mosaics from Princeton University's excavations in Antioch. Medieval Europe is represented by sculpture, metalwork, and stained glass. The collection of Western European paintings includes examples from the earl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Soffit
A soffit is an exterior or interior architectural feature, generally the horizontal, aloft underside of any construction element. Its archetypal form, sometimes incorporating or implying the projection of beams, is the underside of eaves (to connect a retaining wall to projecting edge(s) of the roof). The vertical band at the edge of the roof is called a fascia. Etymology The term ''soffit'' is from it, soffitto, formed as a ceiling; and directly from ''suffictus'' for ''suffixus'', la, suffigere, to fix underneath). Soffits in homes and offices In architecture, soffit is the underside (but not base) of any construction element. Examples include: Under the eaves of a roof In foremost use ''soffit'' is the first definition in the table above. In spatial analysis, it is one of the two necessary planes of any (3-dimensional) optionally built area, eaves, which projects, for such area to be within the building's space. In two-dimensional face analysis it is a discret ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fritz Leonhardt
Fritz Leonhardt (12 July 1909 – 30 December 1999) was a German structural engineer who made major contributions to 20th-century bridge engineering, especially in the development of cable-stayed bridges. His book ''Bridges: Aesthetics and Design'' is well known throughout the bridge engineering community. Biography Born in Stuttgart in 1909, Leonhardt studied at Stuttgart University and Purdue University. In 1934 he joined the German Highway Administration, working with Paul Bonatz amongst others. He was appointed at the remarkably young age of 28 as the Chief Engineer for the Cologne-Rodenkirchen Bridge. In 1954 he formed the consulting firm Leonhardt und Andrä, and from 1958 to 1974 taught the design of reinforced concrete and prestressed concrete at Stuttgart University. He was President of the University from 1967 to 1969. He received Honorary Doctorates from six universities, honorary membership of several important engineering universities, and won a number of prize ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
David P
David (; , "beloved one") (traditional spelling), , ''Dāwūd''; grc-koi, Δαυΐδ, Dauíd; la, Davidus, David; gez , ዳዊት, ''Dawit''; xcl, Դաւիթ, ''Dawitʿ''; cu, Давíдъ, ''Davidŭ''; possibly meaning "beloved one". was, according to the Hebrew Bible, the third king of the United Kingdom of Israel. In the Books of Samuel, he is described as a young shepherd and harpist who gains fame by slaying Goliath, a champion of the Philistines, in southern Canaan. David becomes a favourite of Saul, the first king of Israel; he also forges a notably close friendship with Jonathan, a son of Saul. However, under the paranoia that David is seeking to usurp the throne, Saul attempts to kill David, forcing the latter to go into hiding and effectively operate as a fugitive for several years. After Saul and Jonathan are both killed in battle against the Philistines, a 30-year-old David is anointed king over all of Israel and Judah. Following his rise to power, David c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Museum Of Modern Art
The Museum of Modern Art (MoMA) is an art museum located in Midtown Manhattan, New York City, on 53rd Street between Fifth and Sixth Avenues. It plays a major role in developing and collecting modern art, and is often identified as one of the largest and most influential museums of modern art in the world. MoMA's collection offers an overview of modern and contemporary art, including works of architecture and design, drawing, painting, sculpture, photography, prints, illustrated and artist's books, film, and electronic media. The MoMA Library includes about 300,000 books and exhibition catalogs, more than 1,000 periodical titles, and more than 40,000 files of ephemera about individual artists and groups. The archives hold primary source material related to the history of modern and contemporary art. It attracted 1,160,686 visitors in 2021, an increase of 64% from 2020. It ranked 15th on the list of most visited art museums in the world in 2021.'' The Art Newspaper'' an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shotcrete
Shotcrete, gunite (), or sprayed concrete is concrete or mortar conveyed through a hose and pneumatically projected at high velocity onto a surface, as a construction technique, first used in 1907 invented by Carl Akeley. It is typically reinforced by conventional steel rods, steel mesh, or fibers. Shotcrete is usually an all-inclusive term for both the wet-mix and dry-mix versions invented by Akeley. In pool construction, however, ''shotcrete'' refers to wet mix and ''gunite'' to dry mix. In this context, these terms are not interchangeable. Shotcrete is placed and compacted/consolidated at the same time, due to the force with which it is ejected from the nozzle. It can be sprayed onto any type or shape of surface, including vertical or overhead areas. Shotcrete has the characteristics of high compressive strength, good durability, water tightness and frost resistance. History Shotcrete, then known as gunite, was invented in 1907 by American taxidermist Carl Akeley ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Parapet
A parapet is a barrier that is an extension of the wall at the edge of a roof, terrace, balcony, walkway or other structure. The word comes ultimately from the Italian ''parapetto'' (''parare'' 'to cover/defend' and ''petto'' 'chest/breast'). Where extending above a roof, a parapet may simply be the portion of an exterior wall that continues above the edge line of the roof surface, or may be a continuation of a vertical feature beneath the roof such as a fire wall or party wall. Parapets were originally used to defend buildings from military attack, but today they are primarily used as guard rails, to conceal rooftop equipment, reduce wind loads on the roof, and to prevent the spread of fires. In the Bible the Hebrews are obligated to build a parapet on the roof of their houses to prevent people falling (Deuteronomy 22:8). Parapet types Parapets may be plain, embattled, perforated or panelled, which are not mutually exclusive terms. *Plain parapets are upward extensions ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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