Sentence examples for mixture of limestone from inspiring English sources
In 1824 an English inventor, Joseph Aspdin, burned and ground together a mixture of limestone and clay.
Cement manufacture gives rise to carbon-dioxide emissions because it involves burning fuel to heat a powdered mixture of limestone and clay at temperatures of 1,500 ºC.
Portland cement, binding material in the form of a finely ground powder, usually gray, that is manufactured by burning and grinding a mixture of limestone and clay or limestone and shale.
Between the Shannon and the Suck the landscape is a mixture of limestone surfaces 200 400 feet (60 120 metres) high and depressions varying from peat bogs to water meadows.
The invention of portland cement usually is attributed to Joseph Aspdin of Leeds, Yorkshire, England, who in 1824 took out a patent for a material that was produced from a synthetic mixture of limestone and clay.
In particular, he was puzzled over the natural formation of natron (a hydrated sodium carbonate) from a mixture of limestone (calcium carbonate) and seawater (containing sodium chloride) in a valley near Cairo.
Results indicated that partial substitution of metakaolin in mortar mixtures provides higher compressive strength values at early ages; combined mixtures of limestone and metakaolin enhanced compressive strength comparing with 100% ordinary Portland cement (OPC) as the binder.
In 1981, inorganic polymeric materials were produced by mixing alkalis with burnt mixture of kaolinite, limestone and dolomite (Davidovits 1982).
Crushed coarse limestone aggregates (with a maximum aggregate size of 9.5 mm) and a mixture of crushed fine limestone and silica sands (60% fine limestone and 40% silica sand by volume) were used with ordinary Portland cement (Type I) to prepare the concrete mix for the columns following ACI 211.1-91 (1991) mix design procedure.
High-alumina cement is a rapid-hardening cement made by fusing at 1,500 to 1,600 °C (2,730 to 2,910 °F) a mixture of bauxite and limestone in a reverberatory or electric furnace or in a rotary kiln.
Other plants were grown in unheated glasshouses under conditions of natural light in a standard mixture of peat, sand, limestone, vermiculite and celcote containing sincrostart and sincrocel 6 fertilisers.
