Related Experiment Video
Updated: Sep 21, 2025

Preparation of Aligned Steel Fiber Reinforced Cementitious Composite and Its Flexural Behavior
Published on: June 27, 2018
Bond Performance of Steel Bar and Fly Ash-Based Geopolymer Concrete in Beam End Tests
Yifei Cui1,2, Shihao Qu1, Jiuwen Bao1
1Center for Durability & Sustainability Studies of Shandong Province, School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, China.
Abstract:
This paper presents a comprehensive investigation of the bond characteristics of steel bar reinforced geopolymer concrete (GPC). The ASTM A944 beam end tests were conducted on GPC beams reinforced with plain or ribbed bars. The bond-slip curves and the bond strength of GPC beams were obtained. The relationship between the bond stress and relative slip in plain and ribbed bar reinforced GPC has been represented by empirical formulae. The bond testing results were compared with those of corresponding ordinary Portland cement concrete (OPC) using statistical hypothesis tests. The results of hypothesis testing showed that GPC was significantly superior to OPC in terms of bond capability with plain bars and bond stiffness with ribbed bars. The statistical analysis indicated that the bond-slip relations derived for OPC are inapplicable to GPC; thus, new bond-slip relations are suggested to estimate the development of bond stress and relative slip between GPC and steel bars.
Related Concept Videos
Strength of Cement
For compressive strength tests, ASTM C 109-05 standards prescribe a cement-sand mix ratio of 1:2.75 and a water/cement ratio of 0.485 for making 2-inch cubes. These cubes are mixed, cast, and cured in saturated lime water at 23°C until testing. Flexural strength testing, outlined in...
Fiber Reinforced Concrete
Reinforcements in Concrete
Bonding and Strength of Aggregate
Impact Strength of Concrete
Tensile Strength Considerations of Concrete
The dimensions and shape of a concrete specimen...

