Process for in situ recycling of electrical power distribution s

Details Process for in situ recycling of electrical power distribution s Process for in situ recycling of electrical power distribution s

1991-07-03

1993-02-02

Friedman, Carl D.

Road structure, process, or apparatus

Process

Separate handling of different sized aggregate

404 28, 209 44, E01C 1900, E01C 300

Patent

active

051833549

ABSTRACT:
The present invention relates to a process for in situ recycling of aggregate surfacing used in power substations. An unsuitable aggregate surfacing contains a mixture of coarse and fine aggregate which results in an undesirably low surface resistivity. The first step of the process is to remove the unsuitable surfacing to a depth of approximately four to eight inches, thereby exposing an area of subgrade. The fine aggregate is then separated from the coarse aggregate. Next, the fine aggregate is replaced on the exposed area of the subgrade and compressed. Finally, the coarse aggregate is replaced on the fine aggregate. The process efficiently recycles the aggregate surfacing while on site at the substation, thereby eliminating the high cost of purchasing and transporting new aggregate surfacing, and disposing of unsuitable aggregate surfacing.

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