2013 webcam livesex - Self consolidating concrete cost

Current Developments in Self-Compacting Concrete Introduction Self-compacting concrete (SCC) is a flowing concrete mixture that is able to consolidate under its own weight.The highly fluid nature of SCC makes it suitable for placing in difficult conditions and in sections with congested reinforcement.Architects and engineers will benefit from increased design flexibility without sacrificing performance or increasing placement costs.

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Conventional concrete with an 8.5-inch slump will not find its way through dense rebar, while SCC with a 28-inch spread flows through easily. SCC's unique characteristics give architects much more flexibility for vertical and horizontal applications.

SCC's flowability allows for more complex and aesthetic concrete design features.

Ordinarily, concrete is a dense, vicous material when mixed, and when used in construction, requires the use of vibration or other techniques (known as compaction) to remove air bubbles (cavitation), and honeycomb-like holes, especially at the surfaces, where air has been trapped during pouring.

This kind of air content (unlike that in aerated concrete) is not desired and weakens the concrete if left.

As a result, pouring SCC is also much less labor-intensive compared to standard concrete mixes.

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