Show mud jacking method of mending concrete roa roads ds chicago surface irregularities in certain types of paving caused by settlement ot of the roadbed can be repaired cheaply and efficiently without tearing up whole sections of paving john W poulter of milwaukee wis reports here mud jacking which consists of pumping mud and cement mixtures underneath concrete paving slabs which are arc settling is gaining in popularity among road maintenance men because of 0 its cheapness and efficiency he reports |