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Flexural Testing of Reinforced Concrete Beams with Recycled Concrete Aggregates. Paper by Thomas H.-K. Kang, Woosuk Kim, Yoon-Keun Kwak, and Sung-Gul Hong/AUTHORS' CLOSURE
The authors should be complimented for carrying out a thorough and a meticulous investigation of flexural behavior of reinforced concrete beams made with recycled concrete aggregates (RCA). The discusser invites the authors to comment on several issues: 1. The replacement levels of the coarse RCAs used by the authors are too closely spaced and, at the considered replacement levels variations in mechanical and structural properties, are unlikely to manifest themselves distinctly. 2. The authors have not mentioned in the paper how grading of their RCA particles compares with that of the coarse natural aggregate particles. 3. The usual silica fume dosage in a concrete mixture is approximately 10% of the weight of cement. 4. The beam specimens with 2-D10 tension reinforcement would in effect be doubly reinforced because of the presence of 2-D10 hanger bars near the top face of the beam, which will effectively act as compression reinforcement.
Flexural Testing of Reinforced Concrete Beams with Recycled Concrete Aggregates. Paper by Thomas H.-K. Kang, Woosuk Kim, Yoon-Keun Kwak, and Sung-Gul Hong/AUTHORS' CLOSURE
The authors should be complimented for carrying out a thorough and a meticulous investigation of flexural behavior of reinforced concrete beams made with recycled concrete aggregates (RCA). The discusser invites the authors to comment on several issues: 1. The replacement levels of the coarse RCAs used by the authors are too closely spaced and, at the considered replacement levels variations in mechanical and structural properties, are unlikely to manifest themselves distinctly. 2. The authors have not mentioned in the paper how grading of their RCA particles compares with that of the coarse natural aggregate particles. 3. The usual silica fume dosage in a concrete mixture is approximately 10% of the weight of cement. 4. The beam specimens with 2-D10 tension reinforcement would in effect be doubly reinforced because of the presence of 2-D10 hanger bars near the top face of the beam, which will effectively act as compression reinforcement.
Flexural Testing of Reinforced Concrete Beams with Recycled Concrete Aggregates. Paper by Thomas H.-K. Kang, Woosuk Kim, Yoon-Keun Kwak, and Sung-Gul Hong/AUTHORS' CLOSURE
Bhupinder Singh (author)
ACI structural journal ; 112
2015
Article (Journal)
English
Flexural Testing of Reinforced Concrete Beams with Recycled Concrete Aggregates
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