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GEO Report No. 232
Report No. : GEO Report No. 232

Report Title : Prediction and Control of Air Overpressure from Blasting in Hong Kong (2008), 46 p.

Author : Alan B Richards

Abstract

The adverse effect of blasting noise in close proximity to populated areas in Hong Kong leading to complaints from the general public has been a concern to the Government. Blasting contractors have expressed views that too stringent control on blasting noise would reduce efficiency and increase cost. Blasting noise is part of the air pressure waves generated from blasting, and these pressure waves are referred to as air overpressure by blasting practitioners.

In December 2007, the Geotechnical Engineering Office engaged Mr. Alan Richards of Terrock Consulting Engineers in Australia to undertake a study on air overpressure generated from blasting works for civil engineering projects in Hong Kong. This Report presents the findings and recommendations from the study.


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