See this older post: Concrete Masonry Units (CMU) - #9 by heyslivers
especially about the grout. Some ready-mix concrete suppliers can provide grout mixes made to TMS performance specifications.
Large projects need a lot of grout, so they come from concrete plants supported with compression test data. Ask local suppliers if they can use SCMs or Type 1L.
Incentivize bidders on that light rail project by requiring them to report embodied carbon as part of their bid. See @mark.chen talk about this here and at minute 12 of his more recent presentation here courtesy of CLF Seattle.
1 Like