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In the UK, ready-mixed concrete is specified either informally, by constituent weight or volume (1-2-4 or 1-3-6 being common mixes) or using the formal specification standards of the European standard EN 206+ A1, which is supplemented in the UK by BS 8500. This allows the customer to specify what the concrete has to be able to withstand in ...
The rate of profit depends on the definition of capital invested. Two measurements of the value of capital exist: capital at historical cost and capital at market value. Historical cost is the original cost of an asset at the time of purchase or payment. Market value is the re-sale value, replacement value, or value in present or alternative use.
(p / avc) = (1 / (1 – (1/e))) Technically, AVC is a valid substitute for MC only in situations of constant returns to scale (LVC = LAC = LMC). When business people choose the markup that they apply to costs when doing cost-plus pricing, they should be, and often are, considering the price elasticity of demand, whether consciously or not.
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The volumetric mixer varies in capacity size up to 12 m 3 and has a production rate of around 60m 3 an hour depending on the mix design. Many volumetric concrete mixer manufacturers have innovated the mixer in capacity and design, as well as added features including color, multiple admixes, fiber systems, and the ability to do gunite or shotcrete.
Although the market potential is rather fictitious, it offers good values of orientation. The relation of market volume to market potential provides information about the chances of market growth. [6] [7] The following are examples of information sources for determining market size: Government data; Trade association data; Financial data from ...
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Instead of using a 'nominal mix' of 1 part cement, 2 parts sand, and 4 parts aggregate, a civil engineer will custom-design a concrete mix to exactly meet the requirements of the site and conditions, setting material ratios and often designing an admixture package to fine-tune the properties or increase the performance envelope of the mix ...