Massachusetts · answered by Verika · verified against sources
What slump is allowed for structural concrete on Massachusetts highway projects?
"[3] Corrective action for non -conforming results shall include reworking the edge, adjusting slip form paving molds to compensate for edge slump, or recalibrating the mixture. Work shall be suspended if freshly placed concrete continues to exhibit vertical edge slump , until the issue has been resolved. If the concrete has hardened and edge slumping is present, the pavement shall be repaired through patching, diamond grinding, or other acceptable means to correct the issue as directed by the Department ." [1] "[5] The maximum limit for horizontal edge slump shall be near zero. Work shall be suspended if freshly placed concrete exhibits horizontal edge slump , until the issue has been resolved ." [1] "Slump (in.) < 4 in. Target -1.0 Target +1.0" [3] "4 – 8 in. Target -1.5 Target +1.5" [3]
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