alkali-aggregate reaction это:

alkali-aggregate reaction
взаимодействие между щелочными составляющими цемента и заполнителями бетона

Англо-русский строительный словарь. 2013.

Смотреть что такое "alkali-aggregate reaction" в других словарях:

  • Alkali-aggregate reaction — is a reaction which occurs over time in concrete between the highly alkaline cement paste and non crystalline silicon dioxide, which is found in many common aggregates. This reaction can cause expansion of the aggregate, leading to spalling and… …   Wikipedia

  • Alkali Silica Reaction — (ASR) is a reaction between reactive silica (in the concrete aggregates) and an alkali (usually present in the cement), which results in the formation of a gel. This gel increases in volume with water and exerts expansive pressure on the concrete …   Wikipedia

  • Construction aggregate — Limestone quarry …   Wikipedia

  • Fly ash — Photomicrograph made with a Scanning Electron Microscope (SEM): Fly ash particles at 2,000x magnification Fly ash is one of the residues generated in combustion, and comprises the fine particles that rise with the flue gases. Ash which does not… …   Wikipedia

  • Magnesium hydroxide — IUPAC name Magnesium hydroxide …   Wikipedia

  • Mactaquac Dam — The Mactaquac Dam is a hydroelectric dam built on the Saint John River in the Canadian province of New Brunswick and operated by NB Power corporation. Its power house has a capacity of 672 megawatts with its 6 turbines. The 6 turbines generate 20 …   Wikipedia

  • NB Power — Énergie NB Power Type Government owned corporation Industry Electricity generation, transmission and distribution Founded Ap …   Wikipedia

  • Reinforced concrete — is concrete in which reinforcement bars ( rebars ), reinforcement grids, plates or fibers have been incorporated to strengthen the concrete in tension. It was invented by French gardener Joseph Monier in 1849 and patented in 1867.[1] The term… …   Wikipedia

  • Concrete degradation — may have various causes. Concrete can be damaged by fire, aggregate expansion, sea water effects, bacterial corrosion, calcium leaching, physical damage and chemical damage (from carbonation, chlorides, sulfates and distilled water). This process …   Wikipedia

  • Protection of exposed concrete — is necessary to prolong its service life. A 120 year design life for concrete infrastructure has become increasingly common. Without early preventive maintenance this design life target may be optimistic. The design service life of reinforced… …   Wikipedia

  • Metakaolin — is a dehydroxylated form of the clay mineral kaolinite. Rocks that are rich in kaolinite are known as china clay or kaolin, traditionally used in the manufacture of porcelain. The particle size of metakaolin is smaller than cement particles, but… …   Wikipedia


Поделиться ссылкой на выделенное

Прямая ссылка:
Нажмите правой клавишей мыши и выберите «Копировать ссылку»