论文部分内容阅读
混凝土是当代应用最广泛、用量最大的建筑材料,但它存在抗拉强度低、易开裂、脆性大、变形性能差、不抗震、自重大等弱点,因此,限制了应用范围,影响了工程质量。我们将轻质、高强、改善脆性作为混凝土的发展方向,研究采用纤维增强作为混凝土改性的一个重要途径。因为纤维材料的掺入可大大提高混凝土的抗拉强度、抗裂、抗疲劳性能、断裂韧
Concrete is the most widely used and most widely used building material in the modern era, but it has some weaknesses such as low tensile strength, easy to crack, big brittleness, poor deformation performance, no earthquake resistance and heavy weight. Therefore, the application scope is limited and the quality of the project is affected . We will be lightweight, high strength, improve brittleness as the development direction of concrete, the study of fiber reinforced concrete as an important way to modify. Because the incorporation of fiber materials can greatly improve the tensile strength of concrete, crack, fatigue resistance, fracture toughness