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first and prestressed
About or 73 % of the line runs on viaducts, mostly precast prestressed concrete box girder spans, the first of which was put in place in October 2001.
His El Cerrito, California home is the world's first residential structure made of prestressed concrete.
* 1938: Bridge on the Autobahn 2 Oelde in Warendorf in Germany, the first prestressed concrete bridge in the country.
Construction of the new bridge, made of prestressed concrete box girders, commenced in 1969 and was first used by the 6. 17 pm service from Como on 19 November 1972.
The first, structure BW 1. 1, is 327. 5-metre-long bridge made of pre-stressed concrete with ten sections and a twin prestressed beam slab girder as the superstructure.

first and concrete
The first is the strictly scientific, which demands concrete proof and therefore may err on the conservative side by waiting for evidence in the flesh.
The Old Man's son threw himself down, belly first, upon a concrete step, taking in the coolness of it, and dreaming of the day he would be rich.
* 1927 – Douglas Fairbanks and Mary Pickford become the first celebrities to leave their footprints in concrete at Grauman's Chinese Theater in Hollywood.
Abstraction is a process by which higher concepts are derived from the usage and classification of literal (" real " or " concrete ") concepts, first principles, or other methods.
These were some of the first reinforced concrete buildings, and their plans did not contain enough details ( such as how much reinforcing bar had been embedded in the concrete ) to be sure they were safe, so the engineers recommended demolition.
It is uncertain where it was first discovered that a combination of hydrated non-hydraulic lime and a pozzolan produces a hydraulic mixture ( see also: Pozzolanic reaction ), but concrete made from such mixtures was first used by the Ancient Macedonians and three centuries later on a large scale by Roman engineers.
Urbanization has major effects on erosion processes — first by denuding the land of vegetative cover, altering drainage patterns, and compacting the soil during construction ; and next by covering the land in an impermeable layer of asphalt or concrete that increases the amount of surface runoff and increases surface wind speeds.
The double curvature concrete arch dam was constructed between 1955 and 1959 by Impresit of Italy at a cost of $ 135, 000, 000 for the first stage with only the Kariba South power cavern.
The Swiss linguist Ferdinand de Saussure, who defined the modern discipline of linguistics, first explicitly formulated the distinction, using the French word langage for language as a concept, and langue as a specific instance of a language system, and parôle for the concrete usage of speech in a particular language.
The concrete definition given above is easy to work with, but has some minor problems: to use it we first need to represent a Lie group as a group of matrices, but not all Lie groups can be represented in this way, and it is not obvious that the Lie algebra is independent of the representation we use.
Designed by William Welles Bosworth, these imposing buildings were built of reinforced concrete, a first for a non-industrial – much less university – building in the US.
Like their US counterparts, motels were initially constructed in Canada alongside the growth of the original two-lane provincial highways, of which the first to be paved was the concrete Toronto-Hamilton Highway in 1917.
Those scholars who first founded this ideal intentionally did not give it a clear, concrete diagnosis.
The first concrete information concerning pasta products in Italy dates from the 13th or 14th century.
The first concrete attempt to estimate the date of the hypothetical ancestor language was that of Alfredo Trombetti ( 1922: 315 ), who concluded it was spoken between 100, 000 and 200, 000 years ago.
By June 2012, a hundred-foot-tall reinforced concrete monolith had been completed, the first of 46 such monoliths which will line the new Pacific-side lock walls.
Most also used concrete, which the Romans were the first to use for bridges.
From 1900 on, he began lecturing about concrete details of the spiritual world ( s ), culminating in the publication in 1904 of the first of several systematic presentations, his Theosophy: An Introduction to the Spiritual Processes in Human Life and in the Cosmos, followed by How to Know Higher Worlds ( 1904 / 5 ), Cosmic Memory ( a collection of articles written between 1904 and 1908 ), and An Outline of Esoteric Science ( 1910 ).
William Gowland oversaw the first major restoration of the monument in 1901 which involved the straightening and concrete setting of sarsen stone number 56 which was in danger of falling.
Theorems are derived deductively from objections according to a formal system of rules, sometimes as an end in itself and sometimes as a first step in testing or applying a theory in a concrete situation ; theorems are said to be true in the sense that the conclusions of a theorem are logical consequences of the objections.
* The Roman concrete ( pozzolana ) first used
Subsequently, representations are gradually organized into logical structures which first operate on the concrete properties of the reality, in the stage of concrete operations, and then operate on abstract principles that organize concrete properties, in the stage of formal operations.

first and bridge
The first bridge known to have been covered wholly or in part, -- and perhaps the most interesting one, connected Newbury ( now Newburyport ) with Salisbury Point.
Sturdy and strong after more than a century of continuous use, the old covered, wooden bridge that spans the Tygartis Valley River at Philippi will have a distinctive part in the week-long observance of the first land battle of the Civil War at its home site, May 28th to June 3rd.
This covered, wooden bridge is so closely identified with the first action in the early morning of June 3, 1861, and with subsequent troop movements of both armies in the Philippi area that it has become a part and parcel of the war story.
A bridge was first completed here in 1887, replaced by another structure in 1949, and subsequently replaced with the current bridge which was completed in 2008.
The first book on bridge engineering was written by Hubert Gautier in 1716.
In 1927 welding pioneer Stefan Bryła designed the first welded road bridge in the world, which was later built across the river Słudwia Maurzyce near Łowicz, Poland in 1929.
The first known cable-stayed bridge was designed in 1784 by C. T.
The Iron Bridge completed in 1779 was the first cast iron bridge.
The deficit of such a bridge was first encountered in history by the Pre-Socratic philosophers during the process of evolving a classification of all beings ( noun ).
The second, named Fatih Sultan Mehmet ( Bosphorus II ) Bridge, is long, and was completed in 1988 about north of the first bridge.
Contract bridge is a trick-taking card game where on each of several deals the opposing sides first compete in a bidding auction for the right to establish the contract for that deal, the side winning the auction being known as the declaring side.
In rubber bridge, partnerships may be self-determined or decided by a cut of the cards, the two highest cut playing against the two lowest, and the first dealer is the player cutting the highest card.
If all four players pass in the first round, the deal is not played ; in rubber bridge the deal is not scored and the hand is redealt by the original dealer, while in duplicate the score is recorded as zero for each pair and returned to the board.
" He notes that the first element of Bilröst — bil ( meaning " a moment ")—" suggests the fleeting nature of the rainbow ," which he connects to the first element of Bifröst — the Old Norse verb bifa ( meaning " to shimmer " or " to shake ")— noting that the element provokes notions of the " lustrous sheen " of the bridge.
* Mittlere Brücke ( current structure built 1905, original bridge built 1225 as the first bridge to cross the Rhine River )
The first bridge on the left is the Mittlere Brücke ( Middle or Central Bridge ), the oldest bridge in Basel.
In their first major use at the Battle of Cambrai ( 1917 ), the plan was for a cavalry division to follow behind the tanks, however they were not able to cross a canal because a tank had broken the only bridge.
Cy Young's career is seen as a bridge from baseball's earliest days to its modern era ; he pitched against stars such as Cap Anson, already an established player when the National League was first formed in 1876, as well as against Eddie Collins, who played until 1930.
The earlier bridge opened on January 17, 1927 and was the first vehicular bridge to cross San Francisco Bay.
Rock Island Railroad built the first railroad bridge across the Mississippi River in 1856.

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