URETEK Micropile

Micropile Underpinning at Si Saman — How the Pile Head Ties into the Footing

📍 Si Saman 📅 28 Jul 2026

A foundation-repair job at Si Saman that clearly shows how micropiles work — from opening the footing and jacking the steel pile, to welding the pile head onto the existing beam/footing and casting concrete back — all done cleanly indoors with full floor protection.

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This job at Si Saman is a clear, start-to-finish illustration of how micropile underpinning actually works — and an example of clean, orderly indoor work, with the whole floor covered by protective sheeting before anything began.

🧱 Opening the Footing, Point by Point

Small pockets were opened down to the existing beam/footing only where reinforcement was needed, to reach and install the piles — while keeping dust and debris from spreading through the house.

⚙️ Hydraulic Jacking of the Steel Pile

Steel pile sections were jacked in one at a time with a hydraulic ram, using the building's own weight as reaction force, pressed down to firm strata, with each pile's gauge pressure recorded.

🔩 Welding the Pile Head to the Footing

The heart of a micropile is the pile head — a steel plate welded to tie the pile into the existing beam/footing as one unit, so the building's load transfers fully and permanently onto the pile.

🧹 Casting Concrete Back, Clean Finish

The opened pockets were filled with concrete, the sheeting removed, and the area cleaned — the floor back in use with barely a trace of the work.

✅ The Result: A Stable Footing, a Tidy Job

The structure is now supported on piles reaching firm strata, the settlement stopped, and the home left as clean and orderly as before the work began.

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