Sulfate attack typically happens to ground floor slabs in contact with soils containing a source of sulfates. Sulfates dissolved by ground moisture migrate...
10 KB (1,144 words) - 23:04, 23 May 2025
superficial concrete layer. DEF is also known as internal sulfate attack (ISA). External sulfate attack (ESA) also involves ettringite (AFt) formation and deleterious...
62 KB (7,748 words) - 19:47, 3 June 2025
Cement (category Concrete)
cement Sulfate attack in concrete and mortar Sulfur concrete Tiocem List of countries by cement production "Draeger: Guide for selection and use of filtering...
81 KB (9,547 words) - 14:34, 24 June 2025
surfaces, and polymer concretes that use polymers as a binder. Concrete is distinct from mortar. Whereas concrete is itself a building material, and contains...
131 KB (15,012 words) - 04:03, 9 June 2025
AFt phases (category Sulfate minerals)
and important phase in calcium aluminate cements Calcium aluminate cements – Rapidly setting hydraulic cements Sulfate attack in concrete and mortar –...
33 KB (3,566 words) - 18:57, 22 May 2025
Lime (material) (section Roman concrete)
limestone products, cement, concrete, and mortar), as chemical feedstocks, for sugar refining, and other uses. Lime industries and the use of many of the resulting...
19 KB (2,377 words) - 05:10, 30 June 2025
typical attack of this type is on concrete slabs and foundation walls at grades where the sulfate ion, via alternate wetting and drying, can increase in concentration...
65 KB (7,438 words) - 05:47, 24 May 2025
masonry mortar and concrete in older sewage infrastructures. Sulfur concrete, if proven resistant to long-term chemical and bacterial attacks, could provide...
29 KB (3,156 words) - 18:03, 22 May 2025
Brucite (redirect from Magnesian attack)
(2000). "Resistance to magnesium sulfate and sodium sulfate attack of mortars containing wheat straw ash". Cement and Concrete Research. 30 (8): 1189–1197...
9 KB (826 words) - 16:28, 25 May 2025
Efflorescence (category Concrete)
movement of water. Calthemite is also a secondary deposit derived from concrete, mortar or lime, which can be mistakenly assumed to be efflorescence. Calthemites...
11 KB (1,446 words) - 21:17, 16 May 2025
Thaumasite (category Sulfate minerals)
to harmful decohesion and softening (more rarely to expansion and cracking) of concrete. Unlike conventional sulfate attack, in which the calcium hydroxide...
9 KB (734 words) - 03:40, 12 June 2025
in balance. For instance, a limited number of orthosilicate (SiO4−4) ions can be replaced with sulfate (SO2−4) ions, provided that for each sulfate ion...
8 KB (863 words) - 04:49, 20 January 2025
Portland cement (redirect from Portland cement concrete)
the most common type of cement in general use around the world as a basic ingredient of concrete, mortar, stucco, and non-specialty grout. It was developed...
46 KB (5,389 words) - 11:49, 29 June 2025
Biogenic sulfide corrosion (category Concrete)
process of forming hydrogen sulfide gas and the subsequent conversion to sulfuric acid that attacks concrete and steel within wastewater environments. The...
13 KB (1,838 words) - 21:36, 22 September 2024
Friedel's salt (category Concrete)
Schluter; D. Y. Lee; W. Dubberke (1987). Sulfate impurities from deicing salt and durability of Portland cement mortar. Transportation Research Board. Reddy...
19 KB (1,981 words) - 13:06, 30 June 2025
Attock Cement (category All Wikipedia articles written in Pakistani English)
used in general construction Sulfate resistant cement used in seaport and coastal areas because it provides resistance to chemical attack from sulfates and...
5 KB (431 words) - 03:41, 27 December 2024
Pozzolan (category Concrete)
constructed using pozzolan-lime mortars and concrete testify both to the excellent workmanship achieved by Roman engineers and to the durable properties of...
11 KB (1,566 words) - 20:02, 31 January 2025
Water–cement ratio (category Concrete)
corrosion of reinforced bars) and sulfates (internal and external sulfate attacks, ISA and ESA, of concrete) inside the concrete porosity. When cementitious...
17 KB (2,025 words) - 02:36, 24 March 2024
This compound is hygroscopic and very soluble in water. It is used as a corrosion inhibitor in mortar. It is also used in the production of explosives...
7 KB (791 words) - 22:37, 10 March 2025
Microbial corrosion (section Concrete)
corrosion inhibitors from functioning and leaving surfaces open to attack from other environmental factors. Some sulfate-reducing bacteria produce hydrogen...
22 KB (2,866 words) - 00:37, 26 May 2025
Alkali–silica reaction (category Concrete degradation)
known as concrete cancer, is a deleterious internal swelling reaction that occurs over time in concrete between the highly alkaline cement paste and the reactive...
79 KB (9,321 words) - 11:57, 26 June 2025
water required in a mix and increases workability of the cement product, be it mortar, render or concrete. Like other corrosive acids and alkalis, a few...
55 KB (6,100 words) - 09:03, 9 June 2025
Particulate matter (redirect from Sulfate aerosol)
reflect the composition of sea water, and thus include magnesium, sulfate, calcium, potassium, and others. In addition, sea spray aerosols may contain...
219 KB (20,468 words) - 10:29, 2 June 2025
and traveled better. The balls were then crushed in a mortar by the gunner immediately before use, with the old problem of uneven particle size and packing...
95 KB (11,595 words) - 16:36, 27 June 2025
oxide-sulfate patina coatings that protect underlying copper surfaces and resist corrosion for a very long time. Copper corrodes at negligible rates in unpolluted...
92 KB (11,050 words) - 09:47, 15 May 2025
struck by a Venetian mortar. 300 Turkish soldiers were killed in the explosion. On 18 August 1769, the Bastion of San Nazaro in Brescia, Italy was struck...
107 KB (11,900 words) - 08:55, 27 June 2025
Silicon (category Crystals in space group 227)
silica sand, and stone. Silicates are used in Portland cement for mortar and stucco, and mixed with silica sand and gravel to make concrete for walkways...
90 KB (10,908 words) - 16:48, 29 June 2025
Mining (redirect from Renewable energy and mining)
potassium chloride, sodium chloride, sodium sulfate, which dissolve in water. Some minerals, such as copper minerals and uranium oxide, require acid or carbonate...
111 KB (13,226 words) - 22:31, 1 July 2025
impure state as the sulfate salt. Industrial chemist Jōkichi Takamine later developed a method for obtaining epinephrine in a pure state and licensed the technology...
125 KB (13,072 words) - 03:19, 26 June 2025
during the Iraq War in Anbar Province in 2007, with insurgents packing truck bombs with mortar shells and chlorine tanks. The attacks killed two people...
117 KB (13,095 words) - 22:59, 8 June 2025