PERENCANAAN DINDING PENAHAN TANAH (RETAINING WALL) DENGAN PROGRAM GEO5 PADA PROYEK PEMBANGUNAN BENDUNGAN GONDANG KARANGANYAR, JAWA TENGAH
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Wulan,, Dianika Cahyaning
Pratiwi K,, Dyah
Pratiwi K,, Dyah
Subject
Teknik Sipil
Datestamp
2019-09-06 04:28:02
Abstract :
In this design, the dimensions of the existing gravity-type retaining wall in the field will be redesigned to a cantilever type with a slimmer dimension. Cantilever retaining wall plan using Rankine method and Geo5 program with 4 kinds of retaining wall conditions and will be reviewed the stability of overturning, slip and bearing capacity failure of retaining walls. From cantilever type retaining wall design planned with width (B) 7.55 m; high (H) 5.1 m; B1 = 6.53 m; B2 = 0.3 m; B3 = 0.51 m; H1 = 4.59 m; H2 = 0.51m. Safety factor against overturning in Rankine method and Geo5 program in first condition are 17.683 and 11.03; second condition are 21.3652 and 13.91; third condition are 19.9739 and 12.11; fourth condition are 9.4524 and 15.51. Safety factor against slip in Rankine method and Geo5 program in first condition 5.0168 and 3.17; second condition are 25.6034 and 4.29; third condition are 5.4780 and 3.31; fourth condition are 13.2537 and 4.57. Safety factor against bearing capacity failure in Rankine method and Geo5 program in first condition are 12.0879 and 15.89; second condition are 22.4037 and 29.33; third condition are 13.3604 and 17.08; fourth condition are 18.42 and 26.94. The highest safety factor cantilever type retaining wall against slip in second condition is 25.603, while in gravity type in second condition is 10.240.
In this design, the dimensions of the existing gravity-type retaining wall in the field will be redesigned to a cantilever type with a slimmer dimension. Cantilever retaining wall plan using Rankine method and Geo5 program with 4 kinds of retaining wall conditions and will be reviewed the stability of overturning, slip and bearing capacity failure of retaining walls. From cantilever type retaining wall design planned with width (B) 7.55 m; high (H) 5.1 m; B1 = 6.53 m; B2 = 0.3 m; B3 = 0.51 m; H1 = 4.59 m; H2 = 0.51m. Safety factor against overturning in Rankine method and Geo5 program in first condition are 17.683 and 11.03; second condition are 21.3652 and 13.91; third condition are 19.9739 and 12.11; fourth condition are 9.4524 and 15.51. Safety factor against slip in Rankine method and Geo5 program in first condition 5.0168 and 3.17; second condition are 25.6034 and 4.29; third condition are 5.4780 and 3.31; fourth condition are 13.2537 and 4.57. Safety factor against bearing capacity failure in Rankine method and Geo5 program in first condition are 12.0879 and 15.89; second condition are 22.4037 and 29.33; third condition are 13.3604 and 17.08; fourth condition are 18.42 and 26.94. The highest safety factor cantilever type retaining wall against slip in second condition is 25.603, while in gravity type in second condition is 10.240.
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