List of Articles light concrete Open Access Article Abstract Page Full-Text 1 - Designing a prefabricated sandwich composite roofing system Made up of resisting facings and light-weight concrete core with truss-shaped connectors Arash Totonchi Allah dad Ahmadi Open Access Article Abstract Page Full-Text 2 - Reviewing Optimal Percent of Steel Fibers and their Effects on Lightweight Concrete Durability Ali Ghods sanaz chahkandi Homayon navayi