What is double-decker two-way traffic? Let's talk about the specific binding method.

=========

The two-way direction of cast-in-place roof slab reinforcement is X and Y direction, which is two-way.

Double-layer, because the board has a certain thickness, so use a layer of steel bar at the top of the board and a layer of steel bar at the bottom of the board, which is double-layer.

Double-layer two-way reinforcement, the short-term reinforcement at the bottom of the plate should be placed in the lower part, and the long-term reinforcement should be placed on it; For surface reinforcement, short-direction reinforcement should be placed at the top, and long-direction reinforcement should be placed below short-direction reinforcement.