TEL-AVIV. THE CURTAIN INJECTION OF THE PILE FOUNDATION
During the installation of the pile foundation, the contractor accidentally drilled a waterproof layer of soil. A powerful stream of water with clay impurities, whose velocity was ~ 200 m3 / h, broke out of the borehole.
To stop the water supply and fill the formed voids, a system of SPETEC PU N450 and PU H100 polyurethane resins in the complex with micro cement was injected into the ground. Resins instantly foamed and suppressed the water supply, preventing water from washing the micro cement. In turn, the micro cement has filled the voids and strengthened the soil.
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