Concrete Products is the leading source for Concrete Plants, Concrete Mixers, Precast, and Ready Mix news.

ASCE brings technical edge to EPA Green Infrastructure Collaboration

Sources: Environmental Protection Agency; CP staff

EPA has teamed with companion agencies, American Society of Civil Engineers, American Society of Landscape Architects, plus downstream stakeholder organizations to form a network advancing green stormwater management, water conservation and pollution control measures.  

Read more: ASCE brings technical edge to EPA Green Infrastructure Collaboration

Kansas, Texas deals bring Summit Materials 12 ready mixed plants

Sources: Summit Materials Inc., Denver; CP staff

Summit Materials has significantly boosted its Kansas ready mixed production capacity, acquiring Concrete Supply of Topeka/Builders Choice Concrete, while also extending its Houston presence by closing on Southwest Ready Mix and Colorado County Sand & Gravel.

Read more: Kansas, Texas deals bring Summit Materials 12 ready mixed plants

SCM dosage, w/cm limits lead producer beefs with prescriptive mix designs

Sources: National Ready Mixed Concrete Association, Silver Spring, Md.; CP staff

A survey on prescriptive mix designs reveals requirements NRMCA Research and Engineering Standards Committee members find most onerous: maximum water/cementitious material ratio when not applicable, minimum cementitious material content, plus restrictions on supplementary cementitious material dosages, aggregate characteristics like grading, and SCM type (i.e., Class F fly ash only) or characteristics.

Read more: SCM dosage, w/cm limits lead producer beefs with prescriptive mix designs