Construction joints are formed or placed into slabs to define stopping places or the extent of an individual concrete placement. There are different types of construction joints: butt-type with ...

ACI 302.1R-04, “Guide for Concrete Floor and Slab Construction,” American Concrete Institute ACI 360R-10, “Guide to Design of Slabs-on-Ground,” American Concrete Institute. ASTM E 1155-96 ...

A man was crushed to death by a concrete barrier at a work site in Commerce on Saturday, March 29, authorities said.