Cement stability refers to the volume change whether is even after hardened cement, cement stability is unqualified, foam concrete cracks

How to divide the permeability resistance of foam concrete classes?If you have questions, so today we will learn together:

The strength of the foam concrete of water and foam concrete related a lot to do.Generally the mixing proportion of concrete, are calculated on dry sand

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Definition: (1) with good steel wire on the machine that has made according to the regulations of more than a twisted into the winding prestressed steel strand.

1, ready for the tension before the work: (1) T beam strength of concrete reaches 90% of the design strength before tensioning. (2) good tension with working platform shall be built.

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Aerated concrete started early, rapid development, at the same time using the house of the aerated concrete can be widely used