Development of new technique, that fills cavities, and also raises settled pavement back to its original positions; technique involves use of wet-mix pneumatic concrete gun which forces grout under paved area at pressure of 40 psi; Refract-All wet gun unit can be trailer mounted or hauled in pickup truck; it operates on inexpensive 125 cfm compressor and it develops high rpm.
Pressure grouting technique raises sunken slabs
Pub Works
Public Works ; 95 , n 6
1964
2 pages
Aufsatz (Zeitschrift)
Englisch
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