Self-repairing type ceramic concrete for bridge floor expansion joint and preparation process of self-repairing type ceramic concrete

• Main Authors: ZHANG LIQING, HUANG HONG, XU KAICHENG, BIAN MINGQIANG, YU JIALE
• Format: Patent
• Language: Chinese; English
• Published: 26.01.2024
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; LIME, MAGNESIA; METALLURGY; REFRACTORIES; SLAG; TREATMENT OF NATURAL STONE

The invention belongs to the technical field of concrete materials, and particularly relates to self-repairing ceramic concrete for bridge floor expansion joints and a preparation process. The ceramic concrete is obtained by mixing and curing a cementing material matrix, waste ceramic aggregate, a capillary crystalline agent, a water reducing agent, plastic steel fibers and water, the mass ratio of the cementing material matrix to the waste ceramic aggregate to the capillary crystalline agent to the water reducing agent is 1: 1: 0.01: 0.04, and the volume percentage of the plastic steel fibers to the cementing material is 0.03: 1. The cementing material base body is formed by mixing cement and waste ceramic powder according to the mass ratio of 3: 1. The plastic steel fibers are used for preventing generation of primary cracks, the waste ceramic powder is used for reducing shrinkage cracks, and the waste ceramic aggregate is used for reducing shrinkage cracks, so that generation of the primary cracks of the u