What should I do if the hidden stirrup mouth of wallboard is facing down?

The stirrup mouth of the concealed beam is downward. The arrangement of concealed beam stirrups is 100mm for the spacing of concealed beam stirrups at the mouth of the cave, and stirrups are added at both sides of the cave. The stirrup opening of the root beam is downward, and the joints of stirrups are staggered along the stress direction. The intersection of stirrup corner and stressed steel bar should be firmly bound, and the binding buckles should be splayed with each other when binding stirrups. The function of hook on the concealed beam of civil air defense roof: Generally, there will be hook on the floor in the basement of civil air defense, and the bottom reinforcement will be bound with gluten. Its main function is to connect two layers of steel bars in case of violent explosion impact such as nuclear explosion to prevent the first layer from falling off. This has a special requirement in the Code for Design of Civil Air Defense Basement, that is, the ground, wall and roof of civil air defense projects should be provided with plum-blossom S-shaped hooks.