PRODUCTION OF ULTRA HIGH-STRENGTH CONCRETE USING LOCAL MATERIALS

Document Type : Original Article

Authors

1 Department of Civil Engineering - Faculty of Engineering- Menofiya University

2 Ministry of irrigation and public works.

Abstract

The current research intends to study the possibility of producing ultra high strength concrete using local
materials in the Egyptian market. The effect of silica fume, quartz powder, steel powder, steel fibers, type
and dosage of superplacitizers were investigated in forty nine different concrete mixes. The effect of the
variables were considered and investigated. Three percentages of silica fume (10%, 15% and 20 %) were
applied as a replacement of cement content. Quartz powder with a percentage of 10% of sand content was
considered. Steel Powder with a percentage of 10 % of sand content was used. Also, different types of
high range water reducer ranged from (0.5 to 2%) by weight of powder (cement and filler) were used. The
weight of the steel fibers was 40 and 80 kg/m3
.The water content was determined by trail mixes and the
water-to-powder ratio (w/p) was in the rang of (0.2 - 0.45). The results indicated the possibility of using
local materials in the Egyptian market in producing ultra high strength concrete. The use of 10% silica
fume as a replacement of cement content and 30% water per powder resulted in compressive strength after
3, 7 and 28 days 43 MPa, 67.4 MPa and 127 MPa, respectively. Moreover, using the steel fibers with 40
kg/m3
increased the compressive strength 64.3 Mpa, 88.0 Mpa, and 135 MPa at 3, 7 and 28 days,
respectively

Keywords

ERJ. Engineering Research Journal
Volume 36, Issue 1
January 2013
Pages 91-100

Files

Share

How to cite

Statistics