Conventional concrete has been used as a building material since Joseph Aspdin invented Portland cement in 1824. It works just fine for many building projects since it’s easy to produce and to deliver ...
Pumping concrete in precast plants rather than conveying it to the formwork via buckets or bucket conveyors is still unusual, according to Putzmeister, which added that there were, in general, two ...
Pumping concrete in precast plants rather than conveying it to the formwork via buckets or bucket conveyors is still unusual, according to Putzmeister, which added that there were, in general, two ...
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