Describes, with examples, two methods for proportioning and adjusting proportions of structural grade concrete containing lightweight aggregates. The weight method uses a specific gravity factor determined by a displacement pycnometer test on the agg...

This specification describes the work of bonding hardened concrete, steel, wood, brick, and other materials to hardened concrete with a multi-component epoxy adhesive such as defined for this purpose in ASTM C 881. It includes controls for adhesive ...

This standard specifications gives requirements for cold weather concreting. It includes cold weather requirements for preparations prior to placement of concrete, and protection of concrete.

This guide contains information about high-strength concrete is summarized. Topics discussed include selection of materials, concrete mix proportioning, batching, mixing, transporting, placing, control procedures, concrete properties, structural desi...

The strength of existing concrete buildings and structures can be evaluated analytically or in conjunction with a load test. The recommendations in this report indicate when such an evaluation may be needed, establish criteria for selecting the evalu...

This article presents two methods of using high strength bolts as shear connectors. Two series of push-out tests involving two different bolt configurations were done; for comparison, a third series of push-out tests with welded steel stud connectors...

In the 2005 ACI building code lists 13 items that must be shown on design drawings or in project specifications. Two items, concerned with anchorage and splicing of reinforcement. Anchorage length of reinforcement and location and length of lap splic...