Abstract:
A number of bores were made by rotary drill method with core recovery using double tube core barrels with diamond or tungsten carbide bits. Below the concrete the soil exploration was carried out by split spoon method and by soil penetration technique. At many places, hollows were found below the floor and the strata close to the work was found to be in a lose state. As a result of the investigations, cement grouting of the foundation was carried out. The possibility of existence of loose sand was explained probably as a result of open pumping for dewatering during construction of the headworks. However, after the grouting the limiting head across the weir has been fixed equal to 10 feet during minimum flow period. It was also decided to examine the cracks slope every year and take proper care accordingly. (Abstr.from Engng News, 1965, 10(1): 18-19).
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DOI:
DOI not available
Published:
Journal: Proceeding of West Pakistan Engineeringg Congress, Volume: 48, Issue: , Year: 1965