Protection of roadbeds from water seepage专利检索- 道路基层即地基或路基例如路堤或铁路道碴层或排水道路铺面或道碴层排水的沟槽涵洞管道排水或其他特别专用措施专利检索查询-专利查询网

Protection of roadbeds from water seepage
申请号	US3608443D	申请日	1969-05-26	公开(公告)号	US3608443A	公开(公告)日	1971-09-28
申请人	PHILLIPS PETROLEUM CO;			发明人	GAGLE DUANE W; DRAPER HOMER L;
摘要	AN IMPERMEABLE MEMBRANE IS ATTACHED TO THE SIDES OF THE PAVING LAID UPON A ROADBED AND EXTENDS DOWNWARDLY AND OUTWARDLY UNDERNEATH THE SOIL ADJOINING THE PAVING TO PREVENT WATER FROM SEEPING INTO THE ROADBED. THE MEMBRANE CAN EXTEND DOWN UNDERNEATH SEVERAL FEET OF EARTH AND, IN SOME INSTANCES, DEPENDING UPON THE CONTOUR OF THE ADJOINING SOIL IT MAY BE DESIRABLE TO LAY DRAIN CONDUITS UNDERNEATH THE ROAD SURFACE TO DRAIN ANY WATER WHICH MAY SEEP UNDERNEATH THE LOWER PART OF THE MEMBRANE AND UNDER THE PAVING.
权利要求
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