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  1. n1cq

    Lateral support for masonry walls

    Would you consider a bond beam to meet the criteria for use as lateral support for a CMU wall as prescribed in ACI 530, 9.5.2 ?? We have 15' between floors and h/t>18 for an 8" block wall. Increasing the wall thickness is not an option. n1cq
  2. n1cq

    Frost action on septic tank

    I have found a contractor with an interesting theory about frost heaving. The scenario concerns a "monolithic" 2000 gallon concrete "tight tank" which is actually a precast "box" with an 8" thick h-20 rated lid which fits into the typical set of grooves one finds on standard "split" tanks. The...

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