TYPICAL ANCHOR 4 GROUND SURFACE st on? MOMENCLATURE : Ws WEIGHT OF ANCHOR ASSUMPTIONS: () SURFACE OF RUPTURE 19 A PLANE, F* TENSION (N ANCHOR CABLE (2) FRICTIONAL RESISTANCE ON ALL SIDES Of THE ANCHOR EXCEPT THE FACE iS NEGLIGIBLE. Ps PASSIVE THRUST ON FACE OF ANCHOR We HORIZONTAL COMPONENT OF P ¥2 KERTICAL () THE ANCHOR /S OF GREAT LENGTH PERPENDICULAR TO THE OIPECTION COMPINEVT OF P OF CHaBLE PULL. = ANGLE DF FAIETION, SO/L ON CONCRETE BASIC DATA: ANGLE OF INTERNAL FRICTION, $ + 30° ANGLE OF CONCRETE FRICTION, © = 20° SUBMERGED DENSITY OF SOIL *S4 LES/CU FT 9S 7 RESISTANCE FORCES ON FACE OF ANCHOR IN LES/FT OF ANCHOR WIOTH £000 €000 6000 9200 10000 12000 4300 MID \\ / N HORIZONTAL COMPONENT OF a \ PASSIVE RESISTANCE (PF) & oo! | “7 DEPTH (0) OF ANCHOR IM FEET (TOP OF ANCWOR ASSUMEO AT GROUND SURFACE) PASSIVE VERTICAL COMPONENT CUPLIFT) OF PASSIVE RESISTANCE (EP 8 | | DESIGN NOTES: THE LINE OF ACTION OF FT”peuee NOT L18 ABOVE THE INTERSECTION OF 2 AND WW FOR CONSERVATIVE DESIGN, Wo WeST EQUAL THE vy ETICAL COMPONENT OF CT” PLUS THE VERTICAL COMPONENT OF FIGURE 5.9-4 5-80 ANALYSIS OF CABLE ANCHOR 180GP