US Patent Issued on Sept. 30 for "Aggregate piers reinforcement against axial loads" (Iranian Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,797, issued on Sept. 30.

"Aggregate piers reinforcement against axial loads" was invented by Bahman Niroumand (Boushehr, Iran).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for reinforcing an aggregate pier. The method includes inserting a conical-head pipe into the aggregate pier, injecting grout into the aggregate pier by injecting the grout into the inner chamber of the hollow rod, driving the conical-head pipe into a soil under the aggregate pier by driving a secondary pipe into the aggregate pier and pushing the conical-head pipe toward the soil under the aggregate pier by utilizing the secondary pipe, filling the secondary pipe with ...