In the construction site and after finishing the piles work, the pile head exists normally with an un-even finishing and in order to continue with the construction work to the second stage and make a concrete slab, the pile head should be treated and on then add to the Cap high concrete strength.
The cement and epoxy-based products are ideal for this application. The pile head treatment before applying any of concrete repair products and the following steps are to be considered:
Remove dust, oil and any remainders by using fresh water only; all substrate must be sound and clean. All damaged concrete must be broke out and remove all week concrete. The concrete should be at least 28 days old.
The shuttering should be done on all sides of the pile and within enough heights to reach the slab level required (100 -200mm), after damping the shutter with fresh water the pile is ready for two steps of applying concrete repair product cement base and the epoxy one as a final layer.
For the cap, adjustment the three components cement base product is to be used Afterwards, mix the three components together with fresh water. The mixed products should be poured in the shattering with a thickness of 50-150 mm, Flowability characteristic of the product will enable a self-leveling action and the help with steel trowel is always recommended. The finished product is to be covered with polyethylene sheet for 24 hours before applying the second step of the system.
After mixing the three component together and to obtain a uniform epoxy mortar, add the graded aggregates (part C) to the epoxy fluid while mixing for 2 to 3 minutes. One full kit should be mixed and the application should be carried out in a fast manner. The mixed product is to be poured on a dry surface in the shattering with a thickness of 10 – 50 mm, on top of Adjustment CAP. The flowability characteristic of the product will allow a self-leveling action and the help with steel trowel is always recommended. The finished product will be set within 2 – 5 hours.
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