Micro piles-civil construction

MICRO PILES

Micro piles are the friction piles constructed to transfer the load deep under the soil.they are hollow circular steel sections filled with cement grout.
This piles are constructed till the predetermined depth of that particular area.

The predetermined depth is the maximum depth at which the borelogs were taken.
The length of each steel section varies.it consists of starter and end pile.they are connected to each other by welding.

At first the location of micropile point is surveyed and then the holes are digged to required depth.then the coonected section of micropile is inserted and the cement grout will be poured and then allowed to cure.
The load for the test pile is carried out to ensure the load carrying capacity of the pile.two times the design load is applied and settlement for the varying load is noted.the settlement should not be 10 percentage of the pile diameter

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