2017年2月24日星期五

Why aerated concrete blocks require high pressure steaming?



Aerated concrete is used in a large number of modern production, the use of aerated concrete block is also a substantial increase. Aerated concrete blocks in the production process why go through high-pressure steaming it, high pressure steaming to the aerated concrete block to bring what benefits? Here to introduce you to the high-pressure steamed aerated concrete block of many advantages.
Light weight
Aerated cement block ordinary weight of 500-700 kg / cubic meter, only the equivalent of clay brick and lime sand brick 1 / 4-1 / 3, ordinary cement 1/5, is a mild one of the cement , Suitable for use in high-rise construction of the supplementary wall and low-level construction of the load-bearing walls. The use of this material, can make the whole child built weight than the usual brick and concrete structure to reduce the weight of more than 40%. Because the construction of self-weight slowed down, earthquake damage is small, so greatly increase the experience of the arch of the earthquake.
Good thermal insulation performance
Thermal conductivity is generally 0.11-0.18 kcal / m 0 o'clock 0 degrees, only granite brick and lime sand brick 1 / 4-1 / 5, (grain tiles of the thermal conductivity of 0.4-0.58 kcal / m 0 Hour 0 degrees; gray sand brick thermal conductivity of 0.528 kcal / m 0 hours 0 degrees), for the usual cement of about 1/6.
High strength
Experiments, aerated cement block compressive strength greater than 25 kg / square centimeter, equivalent to 125 clay brick and gray sand brick compressive strength.
Good seismic performance
In the earthquake level of 7.8 Tangshan Fengnan and other places in the earthquake, according to the earthquake after investigation, aerated cement construction only revealed a few new cracks, and brick and concrete structure construction almost all collapse, so that the two distance is not Far, the same structure and the construction of different materials to form a bright contrast. Analysis that this is because the aerated cement bulk light, the group performance is good, the earthquake inertia force is small, so have a certain earthquake.

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experience. This will be very good for our multi-earthquake countries.

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