What happens to concrete cracks in bridge construction?
Paste method This method can be used when the movement is more than one plane, or if excessive movement has exceeded the allowable range of a normal size groove, or when the slot can not be cut. Cover the crack with a flexible sealing tape and only stick the edge of the belt.
Flexible sealing method is usually the active cracks into sports joints is a more appropriate way. Open a groove along the edge of the crack and fill in the appropriate flexible material. Use the isolation layer at the bottom of the joint.
Concrete cracks generally have three states: static cracks, active cracks, is developing cracks. The choice of concrete crack treatment methods generally to consider the factors: to determine whether the cracks are active or static; repair the main purpose of what? Is to reduce the excessive leakage, so that the cracks at the complete water; whether the need for reinforcement treatment; crack the main reason is what; cracks in the future changes (value and direction) how.