Post-installed Rebar Connections with Anchoring Adhesive
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Post-installed Rebar Connections with Anchoring Adhesive
Post installed anchor with chemical anchoring adhesive is a simple and effective connection and anchorage technique for concrete structures, which can be implanted in ordinary steel and bolt anchorage. It is now widely used in strengthening and rebuilding of buildings.
Post installed anchor with chemical anchoring adhesive is a simple and effective connection and anchorage technique for concrete structures, which can be implanted in ordinary steel and bolt anchorage. It is now widely used in strengthening and rebuilding of buildings.
Guide of post installed anchor with chemical anchoring adhesive
1.Drill hole to the diameter and depth required. The diameter must be in accordance with anchor size.
2.The drill hole must be cleaned with air blower, starting from the bottom of the hole.The drill hole mustbe thoroughly cleaned with steel brush. After brush, to use air blower to clean the drill hole again.
3.Inject resin anchor resin into the hole, starting from the bottom, while slowly drawing back the static mixer. In any case avoid entrapping air. For deep holes extension tubing can be used.
4.Insert the anchor with a rotary motion into the filled drill hole. Some adhesive must come out of the hole.
5.During the resin hardening time the anchor must not be moved or loaded.
Matters needing attention of post installed anchoirng
1. After rebar planting, it is generally not allowed to weld on the reinforced bar. If it is necessary to weld, the solder joints should be more than 15d on the base of the base material, and a towel impregnated with ice water should be used to wrap the roots of the exposed parts of the planting bar.
2. The cofferdam must be firm to ensure that there is no water flowing into the caps during the planting of bars, and the bearing caps must be kept dry. If the platform can not be dried, this plan is not feasible.
3. Pay attention to the weather change. Before the construction of the plant, the weather preparation should be checked. It is necessary to ensure that the weather condition is good during the construction of the rebar, and the construction of the weather is not in the cloudy and rainy weather. In view of the construction of the project inside the workshop, there is no need to consider the influence of weather factors.
4, the steel bar must be derudied according to the requirement, the steel bar indicates that there are no oil stains and other debris.
5. The anchoring glue used for planting bars must be qualified products, and all the performance indexes should conform to the specifications.
6. In order to ensure the quality of rebar planting, we must avoid all the factors that affect the quality defects of the planting bars mentioned in the fourth articles, and we should consider it from several aspects, such as work, material, machine, process, environment and methods.
7. The electricity for planting steel bar should be operated according to the electricity regulations of the project so as to avoid violation of regulations.
8. The equipment and tools used for planting bars must be operated according to the operation rules for finding the equipment or machinery, and no violation operation is allowed.
9. Materials used for planting steel bars should not be thrown everywhere to pollute the environment.
Application
1. new added beams, floors, walls, columns and so on.
2, wall, column, beam and other reinforcement.
3, to bridge, column increase section planting bar, column plus corbel, horizontal planting bar.
4. the wall is thickened.
5, the structure plus storey and column tie bar, beam length, horizontal planting bar, beam column, vertical planting bar, foundation, continuous wall planting bar, prefabricated beam repair rebar.
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