An instrument for non-destructive measurement of the maturity of concrete and method thereof The present invention provides an instrument for non-destructive measurement of the maturity of concrete with single or multi sensors provided by the present invention comprises embedded in a casing (2) a power supply (...

The present invention provides an improved maturity meter for precise maturity estimation of concrete characterised by wireless self-contained, standalone independently programmable sensor probes, the said maturity meter comprising a central station, plurality of standalone sensor probes (30), provision batteries (1...

The present invention provides a hydraulically driven pre aeration mechanism for sewerage system which is installed between the pipe (1) carrying the untreated sewage to the treatment plant. The system comprises a fan (6) with plurality of blades equipped with a helical gear (4), the said fan connected to spring me...

The present invention provides Waterproof polysand bricks using non-recyclable plastic waste and method of preparation thereof. The polysand bricks use waste plastic material which is not recyclable. The ratio of the waste used in preparation of bricks is 40-60%, plastic itself is used as a binding material. The pro...