The code requires that the two-way force must be fully tied. But in general, the requirements are not so strict, because the purpose of binding is to prevent the steel bar from shifting. As long as there is no impact on the structure, general supervision can be flexible.
For the two-way double-layer steel bar binding of the plate, all the two rows of binding buckles around the bracket must be bound, and the middle one can jump, that is, every other one must be bound with double iron wires. If it is a two-way single-layer steel bar, it is not allowed to jump and tie.
Extended data:
When arranging double-layer bidirectional reinforcement, the short-term reinforcement at the bottom of the slab 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 below short-direction reinforcement. When setting double-layer bidirectional reinforcement, it is generally unnecessary to set negative plate reinforcement. Two-way, that is, the bottom reinforcement and gluten are reinforced in both vertical and horizontal directions, that is, the reinforcement is arranged in the X and Y directions of the bottom plate and the panel, and each layer of reinforcement is reinforced in both vertical and horizontal directions. Baidu encyclopedia-two-way reinforcement