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Example of flat piece of concrete having dislodged with corroded rebar underneath, Welland River bridge across Queen Elizabeth Way in Niagara Falls, Ontario. The expansion of the corrosion products (iron oxides) of carbon steel reinforcement structures may induce internal mechanical stress (tensile stress) that cause the formation of cracks and disrupt the concrete structure.
Category: Urban decay in Canada. 2 languages. ... Sandwich, Ontario; Shannon Park, Nova Scotia This page was last edited on 1 June 2024, at 04:55 (UTC). Text ...
The Ark Two Shelter is a nuclear fallout shelter built by Bruce Beach (14 April 1934 – 10 May 2021) [1] [2] in the village of Horning's Mills (north of Toronto, Ontario). [3] The shelter first became habitable in 1980 and has been continuously expanded and improved since then. [ 4 ]
The Brent crater is an impact crater in both the geographic township of Deacon, Unorganized South Nipissing District and the municipal township of Papineau-Cameron in Nipissing District, northeastern Ontario, Canada, [1] located north of Cedar Lake in northern Algonquin Provincial Park.
Concrete has a total embodied energy of 1.69 GJ/tonne, lower per unit mass than most common building materials besides wood. However, concrete structures often have high masses, so this comparison is not always directly relevant to decision making. Additionally, this value is based only on mix proportions of up to 20% fly ash.
The Diefenbunker, formerly known by its military designation, Canadian Forces Station Carp (CFS Carp), is a large underground four-storey reinforced concrete bunker and nuclear fallout shelter located in the rural area of Carp, Ontario approximately 30 km (19 mi) west of downtown Ottawa. [1]
1943 City of Toronto Planning Board plan to criss-cross Toronto and suburbs with highways. The cancelled expressways in Toronto were a planned series of expressways in Toronto, Ontario, Canada that were only partially built or cancelled due to public opposition.
The Heron Road Workers Memorial Bridge (formerly the Heron Road Bridge) is a bridge in Ottawa, Ontario, Canada. It connects Baseline Road to Heron Road and allows east–west traffic to cross both the Rideau River and the Rideau Canal just south of Carleton University. The current bridge was finished in 1967, one year after a bridge collapse ...
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