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TEGANGAN LATERAL

TEGANGAN LATERAL. Mekanika Tanah II Yulvi Zaika. DINDING PENAHAN TANAH. TURAP. TEGANGAN TANAH LATERAL. Kondisi Diam Tegangan Tanah Aktif Tegangan Tanah Pasif. TEKANAN LATERAL TANAH DIAM. Tanah tidak digali, kondisinya adalah tekanan lateral tanah diam ( at rest lateral pressure )

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TEGANGAN LATERAL

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  1. TEGANGAN LATERAL Mekanika Tanah II YulviZaika

  2. DINDING PENAHAN TANAH

  3. TURAP

  4. TEGANGAN TANAH LATERAL • KondisiDiam • Tegangan Tanah Aktif • Tegangan Tanah Pasif

  5. TEKANAN LATERAL TANAH DIAM • Tanah tidak digali, kondisinya adalah tekanan lateral tanah diam (at rest lateral pressure) • Jika tidak movement dari dinding, kondisinya adalah tekanan lateral tanah diam (at rest lateral pressure) • Koefisien: Ko = [1 – sin(φ’)] √OCR

  6. H sv = gmoist · H sh = Ko · sv TEKANAN LATERAL TANAH DIAM – MOIST gmoist

  7. H sv = gsat·H s‘v = sv – gw·H s‘h = Ko · s‘v sh = s‘h + gw·H TEKANAN LATERAL TANAH DIAM – SAT. gsat

  8. Tekanan Tanah Diam

  9. Tekanan Tanah Diam

  10. Tekanan Tanah Aktif • Rankine • Coulomb

  11. Tekanan Tanah Aktif Rankine

  12. Tekanan Tanah Aktif Rankine

  13. Tekanan Tanah Aktif Rankine Tensile crack Sebelum crack Sesudah crack

  14. Tekanan Tanah Aktif Rankine Untuk disain dinding penahan tanah

  15. Tekanan Tanah Aktif Coulomb

  16. Tekanan Tanah Aktif Coulomb

  17. Tekanan Tanah Pasif Rankine

  18. Tekanan Tanah Pasif Rankine

  19. Tekanan Tanah Pasif Coulomb + +

  20. Tekanan Tanah Pasif Coulomb

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