Ganzhou bridge inspection car Jiangxi bridge gap beautification car rental

Ganzhou bridge inspection car Jiangxi bridge gap beautification car rental Xinyue road bridge free consultation hotline 135-0000-3760, Ms. Fang, wechat mobile phone with the same number, online all year round, feel free to contact. Among the types of concrete shrinkage, plastic shrinkage and shrinkage shrinkage are the main reasons for the volume deformation of concrete. Cracks caused by reinforcement corrosion. Due to the poor quality of concrete or the insufficient thickness of the protective layer, the concrete protective layer is eroded and carbonized to the surface of the reinforcement, so that the alkalinity of the concrete around the reinforcement is reduced, or due to the intervention of chloride, the chloride ion content around the reinforcement is high, which can cause the destruction of the oxide film on the surface of the reinforcement. The iron ion in the reinforcement reacts with the oxygen and moisture invading into the concrete, and the volume of the rust iron oxide is about 2 times larger than the original, As a result, expansion stress is generated on the surrounding concrete, resulting in cracking and peeling of the protective layer concrete, and cracks along the longitudinal direction of the reinforcement. Ganzhou bridge inspection car Jiangxi bridge joint beautification car rental Xinyue road and bridge free consultation hotline 135-0000-3760, Ms. Fang, wechat mobile phone with the same number, is online all year round, and rust seeps into the concrete surface at any time. Due to corrosion, the effective cross-sectional area of reinforcement is reduced, the bonding force between reinforcement and concrete is weakened, and the bearing capacity of the structure is reduced, which will induce other forms of cracks, aggravate reinforcement corrosion, and cause structural damage. To prevent reinforcement corrosion, the water cement ratio of concrete should be controlled during construction. Crash proof car mass rental crash proof buffer car rental Xinyue road and bridge free consultation hot

Strengthen the vibration, ensure the compactness of the concrete, prevent the invasion of oxygen, and strictly control the dosage of additives containing chlorine salt. In coastal areas or other areas with strong corrosive air and groundwater, it is particularly prudent. Cracks caused by the quality of construction materials. Concrete is mainly composed of cement, sand, aggregate, mixing water and additives. The quality of the materials used for concrete configuration is unqualified, which may lead to cracks in the structure. Concrete structure bridges generally encounter cracks. One kind is structural cracks, which are caused by external loads, indicating that the structural bearing capacity may be lacking or there are serious problems. The other kind is non structural cracks, also known as deformation cracks, which are caused by deformation, which means that the deformation is not satisfied, and the self stress occurs in the component. When the self stress exceeds the allowable stress of concrete, the concrete cracks. Cracks caused by temperature changes. Concrete has the property of thermal expansion and cold contraction. When the external environment or the internal temperature of the structure changes, the concrete will deform. Ganzhou bridge inspection car Jiangxi bridge gap beautification car rental Xinyue road bridge free consultation hotline 135-0000-3760, Ms. Fang, wechat mobile phone with the same number, online all year round, feel free to contact