| Title |
Structural Performance of Lightly Reinforced Concrete Frame Strengthened with Infilled Walls by Concrete Blocks made in Recycled Sands |
| Authors |
Yun Hyun-Do ; Han Min-Ki ; Kim Sun-Woo ; Lee Gab-Won ; Park Wan-Shin ; Choi Chang-Sik |
| Keywords |
Recycled sands ; Concrete blocks ; Infill wall ; Stiffness ; Energy dissipate capacity ; Seismic performance |
| Abstract |
The use of recycled aggregate concrete is increasing faster than the development of appropriate design recommendations. This paper is making advances in the recycling of waste concrete material for use as recycled aggregate to make secondary concrete product. Using recycled sands from demolished concrete, we manufactured concrete blocks to experiment overall performance in feasible performances. This paper reports limited experimental data on the structural performance of shear wall used concrete blocks made in recycled aggregates. Reinforced concrete frame and shear walls were tested to evaluate their failure modes and behavior characteristics. The variable in the test program was the existence of infilled wall used concrete blocks made in recycled aggregates. Based on the experimental results, infilled wall has a high influence on the maximum strength and initial stiffness of reinforced concrete frame. Structural performance of specimen FSB(Frame strengthened by blocks) and WSB(Wall strengthened by blocks) specimen is quite different from LRCF(Lightly reinforced concrete frame) specimen, particularly strength, stiffness and energy dissipation capacity. |