During the construction of cable bridge, the construction staff must wear safety helmet when entering the site. In case of high-altitude operation, the scaffold shall be erected in advance and the safety belt shall be fastened at a secure place. Except for the self weight and cable load, the cable tray and support shall not bear other additional loads, and it is not allowed to use the cable tray and support as the metal frame to support and fix other devices or lift heavy objects.
During installation, the bridge shall not be used as a scaffold, and construction staff shall not climb or stand on the bridge. It is strictly prohibited to rest and play on the bridge as a passage for staff. Column welding shall be firm to prevent falling after bearing. The cable tray shall be stacked in a clean way with a passage for the staff to walk. When the cable tray construction is carried out in the cable interlayer, the lighting light for the installation of thermal control cable tray and protection pipe shall be sufficient.
It is strictly forbidden to drill holes on civil structures without permission. If the construction needs to be carried out, the work must be carried out according to the rules. In case of vertical cross operation during construction, reliable isolation measures must be taken, otherwise, it must be avoided. It is strictly prohibited to fight with each other and throw all kinds of objects during the work of bridge. In case of any violation or behavior, it shall be pointed out and stopped immediately.
The tools, equipment and materials used for the bridge shall be placed neatly, and the corresponding protective measures shall be taken during the construction process of occupying the channel. After the completion of construction, the site shall be cleaned up to achieve "completion of work, material and site clearance". During welding, the electrode head shall not be discarded and recycled. The corner waste generated in the construction shall be recycled and treated at the same site. Construction lighting shall not have the phenomenon of "long light" to minimize the consumption of electricity. In this way, the safety construction and environmental protection measures of cable tray are achieved.
I know the method of determining the position of steel pipe during bridge construction. Let's take a look at the installation of bridge!
When there is insulation coating on the bridge surface, the insulation coating at the grounding point or the place where the electrical connection is required shall be removed. The connecting bolts of the bridge in the vibration place and electrical grounding part shall be equipped with spring washers. For the aluminum alloy bridge installed on the steel hanger or fixed with the steel accessories, when the surface of the steel parts is hot-dip galvanized, it can directly contact with the aluminum alloy bridge. When the surface is sprayed with powder coating or painting, the contact surface of the aluminum alloy bridge shall be isolated with PVC or neoprene gasket.
For the bridge installed in corrosive environment, measures shall be taken to prevent damage to the surface protective layer of the bridge. After cutting and drilling, the exposed metal surface shall be repaired with corresponding anti-corrosion coating or paint.
It is strictly prohibited to use the bridge as a sidewalk, ladder or platform for standing people, and its supports and hangers shall not be used as supports for hanging heavy objects. When corroding cables in the bridge, it is strictly prohibited to use the supports and hangers of the bridge as fixed lifting devices, drag devices, pulleys and supports.
The above is the introduction of the method to determine the position of steel pipe during the construction of cable bridge, and the installation method. I believe that you can get something from the description of this article, and hope that the above content can help you. In addition, if you want to know more about it, you can pay more attention to our website http://www.sdhangfeng.com