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Minimum design metal temperature Save The minimum design metal temperature (MDMT) is one of the design conditions for pressure vessels engineering calculations, design and manufacturing according to the ASME Boilers and Pressure Vessels Code. Each pressure vessel that conforms to the ASME code has its own MDMT, and this temperature is stamped on the vessel nameplate.
Concrete should not be exposed to temperatures 20ÂºF above the minimum placement temperatures. ACI 306R-88 Chpt 7.4 11. The temperature of the concrete and the ambient air and recorded at least twice in 24 hr period. Temperatures should be taken at more than one location, on edges and corners. 12. mix. APWA 03 30 04 2.5 E1 4. Non chloride admixtures may be used but placement, curing and protection requirements must be observed. APWA 03 30 10 3.4 A2 5. Temperature of concrete as placed should be as close to the minimum recommended value as possible (55Âº F) ACI 306R-88 Chpt 3.1 6.