MPA calls for reform of Welsh mineral planning system
The Mineral Products Association (MPA) has called for urgent reforms to Wales' mineral planning s...
The US ASTM International’s concrete and concrete aggregates committee (C09) has proposed a standard to outline the evaluation of alkali-aggregate reactions in concrete, which cause expansion and cracking. The proposed standard (WK91683) will provide specific language to assess the risk of these reactions through uniform criteria across agencies.
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