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transport: Cornwall Railway viaducts

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This unusual method of construction substantially reduced the first cost of construction compared to an all-masonry structure, but at the cost of more expensive maintenance.

Pełniejszy materiał źródłowy / excerpt

The Cornwall Railway company constructed a railway line between Plymouth and Truro in the United Kingdom, opening in 1859, and extended it to Falmouth in 1863. The topography of Cornwall is such that the route, which is generally east–west, cuts across numerous deep river valleys that generally run north–south. At the time of construction of the line, money was in short supply due to the collapse in confidence following the railway mania, and the company sought ways of reducing expenditure. On the advice of the Victorian railway engineer Isambard Kingdom Brunel, they constructed the river crossings in the form of wooden viaducts, 42 in total, consisting of timber deck spans supported by fans of timber bracing built on masonry piers. This unusual method of construction substantially reduced the first cost of construction compared to an all-masonry structure, but at the cost of more expensive maintenance. Replacement of the timber viaducts by all-masonry structures began in the 1870s but a few remained in service until the 1930s.

Kategoria: transport

Rodzina: transport

Jakość źródła: 65/100

Próby weryfikacji: 3

Notatka fact-checku: Fact-check 3.0-content-aware: no sufficient claim-bound corroboration after 3 healthy attempts. Scope=verify the factual claim. Required independent sources=2; stored evidence groups=0. Provider/API errors did not consume attempts. | Fact-check 4.3.2: research wznowiony bez zdejmowania HOLD. Poprzednia metoda: factcheck-300-content-aware. | Fact-check 4.3.2: research wznowiony bez zdejmowania HOLD. Poprzednia metoda: factcheck-weekly-research-432.

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Wikipedia ENpomocnicze

Evidence: 61 • authority: 72

Taiwan High Speed Rail (THSR; Chinese: 台灣高鐵) is a high-speed railway network in Taiwan, which consists of a single line that runs approximately 350 km (217 mi) along the western coast of the island, from Taipei in the north to the southern city of Kaohsiung. Its construction was managed by a private company, Taiwan High Speed Rail Corporation (THSRC), which also operates the line. The total cost of the project was NT$513.3 billion in 1998. The system's technology is based primarily on Japan's Shinkansen. The railway opened for service on 5 January 2007, with trains running at a top speed of 300 km/h (186 mph). Trains make the trip from Nangang to Zuoying in as little as 1 hour and 45 minute…

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Maritime News of Russiapomocniczeniezależne

Evidence: 35 • authority: 80

ANALYTICAL REVIEW OF THE RAILWAY CONSTRUCTION INDUSTRY ABROAD AND COMPARISON OF CONSTRUCTION COST DETERMINATION IN DIFFERENT COUNTRIES

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Informa UK Limitedpomocniczeniezależne

Evidence: 35 • authority: 80

Construction Tender Competition for Two Railway Viaducts

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SAGE Publicationspomocniczeniezależne

Evidence: 35 • authority: 80

Railway Viaducts in Cornwall, Old and New

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Wikipedia ENpomocnicze

Evidence: 35 • authority: 72

Gatehampton Railway Bridge, otherwise referred to as Gatehampton Viaduct, is a railway bridge carrying the Great Western Main Line over the River Thames in Lower Basildon, Berkshire, England. It takes the line between the stations at Goring and Streatley and Pangbourne, and crosses the Thames on the reach between Whitchurch Lock and Goring Lock. The western viaduct is the older of the two, having been engineered by Isambard Kingdom Brunel and was constructed at the same time as Maidenhead Railway Bridge and Moulsford Railway Bridge. It was built between 1838 and 1840, opening later that same year. A second phase of work, conducted between 1890 and 1893, involved the construction of the east…

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Wikipediapomocnicze

Evidence: — • authority: 65

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