Las Cabañas Bridge
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Las Cabañas Bridge
__NOTOC__ The Las Cabañas Bridge ( es, Puente de Las Cabañas) is a historic highway bridge in Adjuntas, Puerto Rico, Adjuntas municipality, Puerto Rico. Built in 1919 to provide access to a key coffee-producing region, it was financed by nearby plantations through public subscription. Designer Rafael Nones and builder Félix Benítez Rexach, two of the most prominent figures in Puerto Rican bridge construction in the early 20th century, used a unique combination of steel and concrete technologies to produce a Girder bridge, girder design unlike any other on the island and possibly beyond.. The bridge was added to the U.S. National Register of Historic Places in 1995.. See also * National Register of Historic Places listings in Adjuntas, Puerto Rico Notes References External links Summary sheet
from the Puerto Rico State Historic Preservation Office * * , National Register of Historic Places cover documentation Road bridges on the National Register of Historic Pla ...
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Río De Las Vacas
The Río de las Vacas is a river of Ciales, Puerto Rico. See also *List of rivers of Puerto Rico References External links USGS Hydrologic Unit Map – Caribbean Region (1974)
Rivers of Puerto Rico {{PuertoRico-river-stub ...
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Steel
Steel is an alloy made up of iron with added carbon to improve its strength and fracture resistance compared to other forms of iron. Many other elements may be present or added. Stainless steels that are corrosion- and oxidation-resistant typically need an additional 11% chromium. Because of its high tensile strength and low cost, steel is used in buildings, infrastructure, tools, ships, trains, cars, machines, electrical appliances, weapons, and rockets. Iron is the base metal of steel. Depending on the temperature, it can take two crystalline forms (allotropic forms): body-centred cubic and face-centred cubic. The interaction of the allotropes of iron with the alloying elements, primarily carbon, gives steel and cast iron their range of unique properties. In pure iron, the crystal structure has relatively little resistance to the iron atoms slipping past one another, and so pure iron is quite ductile, or soft and easily formed. In steel, small amounts of carbon, other ...
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Steel Bridges In The United States
Steel is an alloy made up of iron with added carbon to improve its strength and fracture resistance compared to other forms of iron. Many other elements may be present or added. Stainless steels that are corrosion- and oxidation-resistant typically need an additional 11% chromium. Because of its high tensile strength and low cost, steel is used in buildings, infrastructure, tools, ships, trains, cars, machines, electrical appliances, weapons, and rockets. Iron is the base metal of steel. Depending on the temperature, it can take two crystalline forms (allotropic forms): body-centred cubic and face-centred cubic. The interaction of the allotropes of iron with the alloying elements, primarily carbon, gives steel and cast iron their range of unique properties. In pure iron, the crystal structure has relatively little resistance to the iron atoms slipping past one another, and so pure iron is quite ductile, or soft and easily formed. In steel, small amounts of carbon, other ele ...
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Girder Bridges In The United States
A girder () is a support beam used in construction. It is the main horizontal support of a structure which supports smaller beams. Girders often have an I-beam cross section composed of two load-bearing ''flanges'' separated by a stabilizing ''web'', but may also have a box shape, Z shape, or other forms. Girders are commonly used to build bridges. A girt is a vertically aligned girder placed to resist shear loads. Small steel girders are rolled into shape. Larger girders (1 m/3 feet deep or more) are made as plate girders, welded or bolted together from separate pieces of steel plate. The Warren type girder replaces the solid web with an open latticework truss between the flanges. This arrangement combines strength with economy of materials, minimizing weight and thereby reducing loads and expense. Patented in 1848 by its designers James Warren and Willoughby Theobald Monzani, its structure consists of longitudinal members joined only by angled cross-members, formi ...
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Bridges Completed In 1919
A bridge is a structure built to Span (engineering), 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 ...
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Road Bridges On The National Register Of Historic Places In Puerto Rico
A road is a linear way for the conveyance of traffic that mostly has an improved surface for use by vehicles (motorized and non-motorized) and pedestrians. Unlike streets, the main function of roads is transportation. There are many types of roads, including parkways, avenues, controlled-access highways (freeways, motorways, and expressways), tollways, interstates, highways, thoroughfares, and local roads. The primary features of roads include lanes, sidewalks (pavement), roadways (carriageways), medians, shoulders, verges, bike paths (cycle paths), and shared-use paths. Definitions Historically many roads were simply recognizable routes without any formal construction or some maintenance. The Organization for Economic Co-operation and Development (OECD) defines a road as "a line of communication (travelled way) using a stabilized base other than rails or air strips open to public traffic, primarily for the use of road motor vehicles running on their own wheels", ...
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National Register Of Historic Places Listings In Adjuntas, Puerto Rico
This portion of National Register of Historic Places listings in Puerto Rico is along the central mountain region, from Las Marías and Maricao in the central-west to Juncos in the central-east, including the slopes of the Cordillera. Names of places given are as appear in the National Register, reflecting name as given in NRHP application at the date of listing. Note, the National Register name system does not accommodate Spanish á, ñ and other letters. Adjuntas Aguas Buenas Aibonito Barranquitas Caguas and numerous other roadway structures..''Documento de inclusión de la Carretera Central en el RNLH (2019).''
Geo-Isla. 2020. Accessed 1 August 2020.
, commonscat=Carretera Central (P ...
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National Register Of Historic Places
The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic value". A property listed in the National Register, or located within a National Register Historic District, may qualify for tax incentives derived from the total value of expenses incurred in preserving the property. The passage of the National Historic Preservation Act (NHPA) in 1966 established the National Register and the process for adding properties to it. Of the more than one and a half million properties on the National Register, 95,000 are listed individually. The remainder are contributing resources within historic districts. For most of its history, the National Register has been administered by the National Park Service (NPS), an agency within the U.S. Department of the Interior. Its goals are to help property owners and inte ...
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Girder Bridge
A girder bridge is a bridge that uses girders as the means of supporting its deck. The two most common types of modern steel girder bridges are plate and box. The term "girder" is often used interchangeably with "beam" in reference to bridge design. However, some authors define beam bridges slightly differently from girder bridges. A girder may be made of concrete or steel. Many shorter bridges, especially in rural areas where they may be exposed to water overtopping and corrosion, utilize concrete box girder. The term "girder" is typically used to refer to a steel beam. In a beam or girder bridge, the beams themselves are the primary support for the deck, and are responsible for transferring the load down to the foundation. Material type, shape, and weight all affect how much weight a beam can hold. Due to the properties of the second moment of area, the height of a girder is the most significant factor to affect its load capacity. Longer spans, more traffic, or wider spacing o ...
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Concrete
Concrete is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens (cures) over time. Concrete is the second-most-used substance in the world after water, and is the most widely used building material. Its usage worldwide, ton for ton, is twice that of steel, wood, plastics, and aluminum combined. Globally, the ready-mix concrete industry, the largest segment of the concrete market, is projected to exceed $600 billion in revenue by 2025. This widespread use results in a number of environmental impacts. Most notably, the production process for cement produces large volumes of greenhouse gas emissions, leading to net 8% of global emissions. Other environmental concerns include widespread illegal sand mining, impacts on the surrounding environment such as increased surface runoff or urban heat island effect, and potential public health implications from toxic ingredients. Significant research and development is ...
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Public Subscription
Subscription refers to the process of investors signing up and committing to invest in a financial instrument, before the actual closing of the purchase. The term comes from the Latin word ''subscribere''. Historical Praenumeration An early form of subscription was praenumeration, a common business practice in the 18th-century book trade in Germany. The publisher offered to sell a book that was planned but had not yet been printed, usually at a discount, so as to cover their costs in advance. The business practice was particularly common with magazines, helping to determine in advance how many subscribers there would be. Praenumeration is similar to the recent crowdfunding financing model. New issues Subscription agreement Subscription to new issues can be covered by a subscription agreement, legally committing the investor to invest in the financial instrument, and committing the company to certain obligations and warranties. In some jurisdictions, it is possible for the issuer ...
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Puerto Rico Highway 135
Puerto Rico Highway 135 (PR-135) is a rural road that travels from Adjuntas, Puerto Rico to Lares. This highway begins at PR-123 north of downtown Adjuntas and ends at PR-128 in Bartolo. Las Cabanas Bridge 2 - Adjuntas Puerto Rico.jpg, Las Cabañas Bridge __NOTOC__ The Las Cabañas Bridge ( es, Puente de Las Cabañas) is a historic highway bridge in Adjuntas, Puerto Rico, Adjuntas municipality, Puerto Rico. Built in 1919 to provide access to a key coffee-producing region, it was financed by nearby ... in 2017 Las Cabanas Bridge deck - Adjuntas Puerto Rico.jpg, Las Cabañas Bridge Major intersections See also * 1953 Puerto Rico highway renumbering References External links * 135 {{PuertoRico-road-stub ...
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