It is mixed at or near the construction site with sand, aggregate (small stones, crushed rock, or gravel), and water to make concrete5个回答 它或附近的施工现场,用沙土混合,聚合(小石头,碎石或砾石),和水,使混凝土2013-05-23 12:21:38 回答:匿名 这是混合在工地附近或有沙丘、聚合(小块的石头,...
Concrete is a man-made material created by the proper mixing of coarse aggregate,such as gravel ,fine aggregate ,such as sand ,and cement ,with adequate and controlled amounts of water.Concrete is very strong in compression,and ultimate strengths of 5000psi(34.5N/mm2)to 6000psi(41.4N/mm2)...
Quarrying is theprocess of removing rock, sand, gravel or other minerals from the ground in order to use them to produce materials for construction or other uses. ... Within the UK, the largest quantity of mineral extracted by quarrying is used for construction and known as "aggregates". ...
GEOLOGY- The Glossary of Geology states a stone can be a general term for rock that is used in construction, either crushed for use as aggregate or cut into blocks, or one of the larger fragments in a variable matrix of sedimentary rock, or a cut and polished NATURAL gem or precious sto...
A fixed distance (D) is maintained between a gravel spreader (3) and an asphalt or bonding compound spreader (1). The gravel spreader is downstream from the asphalt distributor and its distribution gates are opened at a time interval after the spreader starts to ensure the gravel falls in th...
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Is gravel becoming scarce? Evaluating the local criticality of construction aggregatesAggregatesCriticalitySupply riskLocalityNatural aggregates are considered an immense natural resource at the global level; however some regions face a supply constraint due to the overexploitation of natural aggregates in ...
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Share on Facebook RMX (redirected fromReady Mix, Inc.) AcronymDefinition RMXRemix(music) RMXReal Music Jukebox RMXReverse Mx RMXRealtime Multitasking Executive RMXRemix RMXReady Mix, Inc.(Phoenix, AZ) RMXRight Media Exchange(digital advertising) ...