繊維補強コンクリート：種類、ひび割れ橋渡しメカニズム、配合設計、性能、および施工ガイド
Concrete carries compression very well, but it has limited tensile capacity. Shrinkage, temperature change, bending, impact, or restraint can create tensile stress. Once that stress exceeds the capacity of the cement matrix, a crack begins. Fiber reinforced concrete uses short, discrete fibers to control how those cracks form and grow. The fibers spread through the mix. They work across many directions instead of sitting in one fixed reinforcement plane. A suitable fiber system can reduce early cracking, keep service cracks tighter, improve toughness, and help concrete retain useful capacity after the first crack. The result still depends on engineering. Fiber material alone does not decide performance. Geometry, dosage, bond, orientation, mix […]