Saturday, August 23, 2014

Concrete mixer truck is a vehicle for transportation. Ready-mixed concrete plants are usually cambr

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Concrete mixer truck is a vehicle for transportation. Ready-mixed concrete plants are usually cambro divided into two groups, the measure will do just Shvnd.brkhy factories, plants and other non-modular operations, the mixing operation is doing. cambro In other words, the factory gauge materials and specified amounts of materials into the truck mixer concrete is poured, but the act of mixing during transportation, before discharging concrete mixer truck for the water takes place during transport or on-site workshops will be added to the dry mix. Accordingly, this method is also called dry cup. The second group of factories, concrete is poured into the pot mixer trucks.
Speed mixer truck for two years and is fast. Distance or speed of 2 to 5 rpm and high speed stirring or mixing rate of 7 to 13 cycles per minute. When using a truck mixer, the following must be observed: a) the time when water is added to the dry mix concrete, the number of 70 to 100 rounds fast enough for initial mixing. If the concrete is ready to be shipped within the boiler cambro and want to get back into the homogeneous discharge, 30 to 40 rounds at a rate sufficient to make the concrete for the ride. The maximum number of 300 for the round (including the slow and fast) is limited, cambro so, for transport in normal circumstances (other than concrete in hot and cold weather) the loading and unloading, with 1 to 5 / 1 Hour limited. But only for a maximum of 100 rounds of 300 rpm rotation speed of mixing and the need to speed stirring, for a long time or number of turns carrying cambro large pot reduces slump aggregates wear and the body of the pot and a decrease in strength and durability of the concrete. B) In cases where long-term transport of concrete or heavy traffic is possible, it is better to use the dry mix and water mix other materials in the workshop to be added. However, in this case precise control of water content is faced with a problem requiring cambro careful monitoring to determine the amount of water to be added. C) Use the following concrete truck mixer is not recommended for concrete with a slump less than 40 mm concrete with a maximum aggregate size of 50 mm concrete with water cement ratio of less than 4/0 (no use of lubricant cambro additives or super plasticizer) in a cup of dry silica powder should not be used because the distribution of silica particles in the mixture might not be uniform. D) If a truck mixer for mixing raw (dry measure) used, the volume of concrete should be two-thirds of its capacity cambro even more limited for example, with a nominal capacity of 6 cubic meter mixer trucks can be 4 cubic meters of concrete to dry cup method, mixed. More: Forums
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