Precautions for the use of anchor bolts. Anchor bolts are used for building construction, such as tower cranes, large billboards, bridges, power towers, etc. anchor bolts are mainly used to fix the foundation and connect the main building materials, but they should be within the specified range. Of course, there are also necessary key points when using anchor bolts. The following are the five matters needing attention when using anchor bolts.

[five items for the use of anchor bolts]

1. After the anchor bolts, sleeves and anchor plates enter the factory, they shall actively cooperate with the manufacturer, the construction unit, the quality supervision station and the supervisor to carefully inspect and accept their quality, quantity and relevant technical data. If any problems are found, they shall be put forward to the manufacturer and the construction unit in time and recorded.

2. The anchor bolts, sleeves and anchor plates that have passed the acceptance shall be properly kept by the material design department, and must be protected from rain, rust and loss, and clearly marked.

3. Before installing the anchor bolts, the construction technicians shall be carefully familiar with the construction drawings, drawing joint review and construction scheme, and make three-level technical disclosure to the construction workers.

4. Before formwork construction, prepare the list of embedded bolt casing and anchor plate according to the requirements of design drawings, indicate the number, specification, quantity and embedding position (size and elevation), and carefully check it.

5. Instruments used for surveying Construction: al332 automatic leveling level and djd2a electronic theodolite.