The anchoring adhesive is less than 80 C, and the high temperature produced in the welding is extremely unfavorable to the rebar adhesive, which usually directly affects the performance of the rebar adhesive and affects the anchorage and strengthening effect of the reinforcement.
Why do we have to control the effect of high temperature welding on rebars?
The anchoring adhesive is less than 80 C, and the high temperature produced in the welding is extremely unfavorable to the rebar adhesive, which usually directly affects the performance of the rebar adhesive and affects the anchorage and strengthening effect of the reinforcement. Therefore, effective control of high temperature welding is very important for reinforcing bar planting.
How to control the effect of controlling the high temperature welding on the planting bar?
1. a layer of wet towel impregnated with ice water is used to wrap the exposed roots.
2. the distance between the welding site and the top surface of the injection hole is more than 15d, and is equal to or equal to 200mm.
3. The anchorage depth of planted bars must strictly follow the design requirements. If the anchorage depth can not meet the corresponding requirements, it will directly affect the ultimate bearing capacity.
4. Normally, the closer the welding position is to the glue layer, the greater the influence on the glue; therefore, the welding distance should be reasonably controlled during welding.
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