Title:
Properties of Concrete Containing Ultimax Rapid- Setting Hydraulic Cement
Author(s):
Akthem A. Al-Manaseer, Emma B. Aquino, and Hasan Kumbargi
Publication:
Materials Journal
Volume:
96
Issue:
5
Appears on pages(s):
529-535
Keywords:
bulk density; compressive strength; expansion; modulus of elasticity; portland cement; shrinkage; slump tests; splitting tensile strength
DOI:
10.14359/654
Date:
9/1/1999
Abstract:
This study evaluates the physical properties of concrete made with a new type of rapid hardening hydraulic cement known as Ultimax cement. The properties are compared with concrete containing ASTM Type I/II cement. Field evaluation was conducted to practically test the fast setting properties of the cement. This study reveals that improved physical properties can be obtained when using Ultimax cement in concrete. A workable 7-1/8 in. slump concrete with 1-day compressive strength of 6080 psi (41.9 MPa) at a water-cement ratio (w/c) of 0.30 can be obtained without adding any admixtures. The 28-day compressive strength of Ultimax concrete varies from 3900 to 9270 psi (26.9 to 63.9 MPa) at w/c of 0.30 to 0.50. The 90-day shrinkage of concrete containing Ultimax cement ranged from 277 10-6 to 390 10-6 in./in. at w/c of 0.30 to 0.50. At 90 days, concrete made with Ultimax cement exhibited up to 74 percent less shrinkage and 69 percent less expansion than concrete made with ASTM Type I/II cement.