• Thumbnail for Alkali–silica reaction
    The alkalisilica reaction (ASR), also commonly known as concrete cancer, is a deleterious internal swelling reaction that occurs over time in concrete...
    78 KB (9,284 words) - 14:45, 25 March 2024
  • Thumbnail for Soda lime
    pozzolanic reaction. The alkalisilica reaction can be written like the soda lime reaction, by simply substituting carbon dioxide by silica dioxide in...
    12 KB (1,310 words) - 13:16, 18 January 2024
  • Thumbnail for Alkali–aggregate reaction
    following: Alkalisilica reaction (ASR, the most common reaction of this type); Alkali–silicate reaction, and; Alkali–carbonate reaction. The alkalisilica reaction...
    2 KB (213 words) - 12:56, 1 November 2023
  • and organic matter. The alkali-carbonate reaction could therefore also simply hide an alkali-silica or an alkali-silicate reaction. Anyway a chemical coupling...
    4 KB (487 words) - 15:39, 9 August 2020
  • Thumbnail for Concrete degradation
    affinity for water. This reaction is at the core of the alkalisilica reaction (ASR): 2 NaOH + SiO2 → Na2SiO3 · H2O Following this reaction, a hygroscopic and...
    62 KB (7,715 words) - 00:44, 26 April 2024
  • Thumbnail for Reinforced concrete
    The alkalisilica reaction (ASR) causes localised swelling responsible for tensile stress and cracking. The conditions required for alkali silica reaction...
    61 KB (7,109 words) - 13:51, 27 April 2024
  • Thumbnail for Silicate
    Silicate (redirect from Silica polymer)
    atmosphere and the global warming caused by this greenhouse gas. Alkali-silica reaction Carbon cycle Carbonate-silicate cycle Ocean acidification Greenwood...
    10 KB (1,159 words) - 04:19, 15 April 2024
  • in the Kieselkalk. Siliceous limestones can be very prone to the Alkali Silica Reaction (ASR) and their use as aggregate is often the cause of premature...
    2 KB (220 words) - 21:06, 13 December 2023
  • Thumbnail for Pozzolan
    aluminosilicates. Alkali–aggregate reaction – Expansive chemical reaction damaging concrete (AAR) Alkalisilica reaction – Chemical reaction damaging concrete...
    11 KB (1,551 words) - 19:13, 12 May 2024
  • Thumbnail for Silica fume
    silica fumes, as byproduct, may be used to produce silicon carbide. Alkalisilica reaction Engineered cementitious composite Energetically modified cement...
    9 KB (1,120 words) - 07:56, 6 February 2023
  • category. Aerated autoclaved concrete Alkali-aggregate reaction Alkali-carbonate reaction Alkali-silica reaction Calcium silicate hydrate (C-S-H) Calthemite...
    12 KB (1,524 words) - 05:28, 8 November 2023
  • from alkali-silica reaction (ASR). Silica dioxide "Lubricant Excipients". American Pharmaceutical Review. Retrieved 2023-10-05. "Colloidal Silica | R-E-D...
    4 KB (552 words) - 16:05, 20 February 2024
  • of C-S-H phases: Alkalisilica reaction – Chemical reaction damaging concrete Alkali–aggregate reaction – Expansive chemical reaction damaging concrete...
    9 KB (1,083 words) - 02:01, 2 January 2024
  • Anderlecht. In 1977, the main stand was completely rebuilt, but an alkalisilica reaction ten years later caused the concrete to crack. Chairman Jacques Ruts...
    126 KB (9,001 words) - 11:43, 14 May 2024
  • from freeze/thaw.[citation needed] Other forms of damage include alkali-silica reaction (ASR), chemical intrusion, and corrosion of steel reinforcements...
    2 KB (291 words) - 20:01, 15 April 2024
  • steel reinforcements. Alkalisilica reaction (ASR), also known as alkali-aggregate reaction (AAR), when reactive amorphous silica aggregates exposed to...
    1 KB (151 words) - 14:17, 7 February 2024
  • Thumbnail for Silicon dioxide
    known as silica, is an oxide of silicon with the chemical formula SiO2, commonly found in nature as quartz. In many parts of the world, silica is the major...
    62 KB (6,592 words) - 21:50, 6 May 2024
  • within 24 hours. It also reduces the deterioration of concrete by Alkali Silica Reaction (ASR), particularly useful when using recycled crushed glass or...
    9 KB (1,037 words) - 19:06, 3 April 2024
  • ancient DNA sequences Acute stress reaction to traumatic event Adult sex ratio of males to females Alkalisilica reaction, affecting sensitive aggregates...
    2 KB (284 words) - 06:04, 28 December 2023
  • Thumbnail for Temple of Monte Grisa
    restoration works took place, because the concrete had suffered from alkali-silica reaction. Monte Grisa Temple on www.carsokras.eu Antonio Santin in the German...
    2 KB (268 words) - 08:56, 2 April 2024
  • Thumbnail for Concrete step barrier
    reactions in concrete, leading to damaging expansive phenomena. The most common are those containing reactive silica, that can react with the alkalis...
    5 KB (389 words) - 16:23, 1 July 2023
  • Thumbnail for Gyrolite
    slags (GGBFS) activated by alkali. It could also form in CEM III cement-based concrete exposed to alkali-silica reaction (ASR) at elevated temperature...
    13 KB (1,120 words) - 20:57, 18 January 2024
  • Thumbnail for Chert
    other concern is that certain cherts undergo an alkali-silica reaction with high-alkali cements. This reaction leads to cracking and expansion of concrete...
    35 KB (4,223 words) - 13:56, 11 May 2024
  • Thumbnail for Hoover Dam
    in normal mass concrete". Hoover Dam concrete is not subject to alkalisilica reaction (ASR), as the Hoover Dam builders happened to use nonreactive aggregate...
    93 KB (10,735 words) - 15:40, 10 May 2024
  • Thumbnail for Sixth Street Viaduct
    quality of the concrete turned out to have a high alkali content and led to an alkali-silica reaction (ASR), which created cracks in the concrete and sapped...
    19 KB (1,697 words) - 16:17, 10 April 2024
  • Thumbnail for Northwest Arkansas National Airport
    required complete reconstruction in 2011, following the discovery of alkali-silica reaction (ASR) in its Portland cement concrete. Since the runway was the...
    25 KB (1,327 words) - 16:19, 15 April 2024
  • Thumbnail for Feldspar
    Feldspar (redirect from Alkali feldspar)
    defines the continuous Bowen's reaction series. K-feldspar is the final feldspar to crystallize from the magma. Alkali feldspars are grouped into two...
    25 KB (2,434 words) - 13:22, 12 May 2024
  • Thumbnail for Pozzolana
    in which alkalis predominate over Ca, K-feldspar such as sanidine or albite Na-feldspar are found. Leucite is present in the K-rich, silica-poor Latium...
    9 KB (1,103 words) - 19:27, 12 May 2024
  • Thumbnail for Construction aggregate
    Aggregate base Aggregate industry in the United States Alkali-aggregate reaction Alkalisilica reaction Concrete Crushed stone Dimension stone – stone recycling...
    19 KB (2,164 words) - 01:28, 15 February 2024
  • Thumbnail for Concrete
    in concrete to improve the resistance to sulfate, chloride and alkali silica reaction due to pore refinement. Also, they are generally cost effective...
    120 KB (13,485 words) - 12:59, 13 May 2024