2, accurate lofting, according to the requirements of design drawings, set up the template, and start pouring after being inspected by the supervisor. Laying mortar before pouring. When pouring, the amount of riprap shall be strictly controlled and shall not exceed 30% of the design. Spread mortar.

3. Before pouring the concrete at the foot of the embankment, check the bracket, formwork and partition board first, and then pour it after it meets the requirements. Debris, water and dirt on the partition board in the template should be cleaned up.

(1) When pouring, it shall be poured continuously to avoid construction joints.

(2) When pouring concrete, internal vibrator and surface vibrator are used for vibration.

4. The dimensions and physical properties of dry masonry materials for slope protection shall meet the requirements of specifications, and the surface gloss shall be as uniform as possible, with fresh stones, no weathered skin or cracks, and no impurities such as dirt and scale on the surface. Stone staggered laying, dense, neat, no prominent phenomenon, strength meets the design requirements.

Embankment slope should be trimmed manually. First, put the template on the slope and hang up the hanging line. According to the design requirements, sort out the slope types. After molding, rubble with appropriate thickness should be selected for masonry protection, and the masonry protection should be carried out in strict accordance with the hanging line. Dry masonry should be as dense as possible to prevent large cracks.

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