Curing The Surface Of Mortar - Doosan HM 1000 Installation Manual

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HM 1000/1250

Injecting grout in APC

2) Grout Compacting

Use a pipe or long thin pole to keep stirring in the grout mixture so that the mixture fills

up the whole hole evenly without the buildup of air bubbles.

▪ Do not use the vibrator specific to concrete compacting while injecting grout.

3) Clean up the floor when the hole is filled up

with grout.

5.5 Curing the surface of mortar

1) Keep supplying an adequate amount of water on the surface in the course of grout

curing.

▪ It is recommended that the surface be covered with a wet cloth to slow down moisture

evaporation.

2) Make a generous schedule for the grout curing.

▪ The longer the curing period is, the greater the strength. Assign at least 5 days for

grout curing (7 days is recommended). Allow additional 2 or 3 days for the curing in the

wintertime.

3) Keep vibrations, shocks and loads to a minimum level and maintain the ambient

temperature above 10˚C for the curing period.

▪ When it is too low in temperature in the winter season, use a heater or hot blast stove

to maintain an appropriate temperature.

HM1000ISE99

Injecting grout in ATC

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Hm 1250