Entry number：01
Subject
Feasibility study on the application of autoclaved aerated concrete with electric arc furnace slag and steel fiber
Department
Department of Civil Engineering
Professor and Student
Professor：Kuang-Yen, Liu
Student：Wei-Jhe Sun
Abstract
Earthquakes and typhoons often cause bridges collapsed and isolated islands. Therefore, this research is based on a circular economy to develop a new lightweight bridge for disaster relief. This study uses industrial waste recycling material-electric arc furnace slag to make autoclaved aerated concrete (AAC). The experimental variables are compressive strength and volumetric specific gravity. The experimental results show that the compressive strength of the test specimen is 8 MPa, which meets the requirements of CNS and has a unit weight of 0.8 to 1.0 tf/m3, which can successfully float in water. Therefore, this study takes a 20 m span as the object, combined with autoclaved aerated concrete and pontoons, to determine the small and middle scale floating bridges, which can be used by people and motorcycles or ambulances, respectively. Preliminary analysis shows that both types of bridges can satisfy the material strength, deformation, and sliding-prevention requirements and have the advantages of manual handling, fast assembly, repeated use, and low cost. Therefore, it is expected to promote and apply after in-situ tests.
-
SHARE：
Sweepstake