Method of repairing and reinforcing piers using stones
View Patent ↗A method of repairing and reinforcing a pier using stones. The method includes installing a watertight caisson around a pier and removing water from the gap between the caisson and pier prior to repairing the pier. The method can also include removing impurities from the pier's surface; arraying a plurality of reinforcing steel bars around the pier; laying stones outside the arrayed steel bars while fixing the stones to the steel bars or the pier, and filling the gap between the pier and the stones with concrete.
1. A method of repairing and reinforcing a pier using stones, comprising the steps of: installing a water tight caisson ( 11 ) around the pier ( 10 ); removing water from the gap between the watertight caisson ( 11 ) and the pier ( 10 ) arraying a plurality of reinforcing steel bars ( 13 ) around the pier ( 10 ); laying stones ( 12 ) outside the arrayed steel bars ( 13 ) while fixing the stones ( 12 ) to the steel bars ( 13 ) or the pier ( 10 ); filling a gap between the pier ( 10 ) and the stones ( 12 ) with concrete; and eliminating the watertight caisson ( 11 ).
2. The method according to claim 1 , further comprising fixing the stones with an anchor bolt wherein the anchor bolt ( 14 ) has a ring in one side to fix a steel bar ( 13 ) and to lock in a middle of an inside of a stone ( 12 ) and another anchor bolt ( 15 ) has a ring in one side to fix on the steel bar ( 13 ) and another side has a connection pin ( 16 ) vertically installed to lock a lower and an upper part of stones ( 12 ).
3. The method according to claim 1 , further comprising fixing the stones ( 12 ) with an angle ( 17 ) wherein an anchor bolt ( 18 ) is fixed to one end of the angle ( 17 ) and a connection pin ( 19 ) is vertically installed in another end of angle ( 17 ), whereby the stones ( 12 ) located on a top and a bottom of the angle ( 17 ) are fixed.