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Tanya Cara menghitung & Desain Pondasi tiang pancang dan Pile cap

Discussion in 'Geoteknik' started by Florencio M. G. Guterres, 21 March 2017.

  1. Florencio M. G. Guterres

    Florencio M. G. Guterres New Member

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    Permisi salam kenal, ada yang punya cara menghitung & desain pondasi tiang dan Pile cap?
     
  2. Charis Fitriyanto

    Charis Fitriyanto New Member

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    salam kenal mas. desain pondasi tiang pancang maksudnya. tiang pancang ada banyak bgt rumus yg bisa dipakai tp dasarnya perhitungan berdasarkan hasil uji tanah bisa dari sondir dan spt atau kalendering. coba buka buku pondasi 2 penulis hary christady hardiyatmo ada banyak rumus yg bisa dipakai.
    biasanya kebanyakan di proyek pakai dari uji kalendering karna langsung bisa diketahui berapa daya dukungnya, nah salah satu contoh rumus ini rumus hiley (nyari di google)
    hiley.png
    R = Kapasitas daya dukung Batas (ton)

    W = Berat palu atau ram (ton)

    P = Berat tiang pancang

    H = Tinggi jatuh ram

    S = Penetrasi tiang pancang pada saat penumbukan

    terakhir, atau “set” (cm)

    K = Rata-rata Rebound untuk 10 pukulan terakhir (cm)

    N = Koefiseien restitusi

    Contoh Perhitungan

    Data:

    W = 4,5 ton

    P = 290 kg/m = 0,290 ton/m (untuk tiang pancang diameter 50 Prodak wika beton)

    misalnya Panjang tiang pancang 12 m = 0,290 . 12 = 3,48 ton

    H = 2 m

    S = 5 cm

    = 5/10 = 2,5 cm

    K = 2 cm

    = 2/10 = 1 cm

    N = 0,4 – 0,5 = 0,45

    R = ….?

    hiley1.png
    Gaya Axial tekan dari struktur = 127,792 ton

    Kebutuhan jumlah tiang pancang

    = Gaya axial tekan dari struktur / R

    = 127,792 / 335,426

    = 0,381 tiang pancang

    semoga bisa dipahami hehe
     
  3. DONI

    DONI Moderator Staff Member

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    coba pakai rumus excel ini:silau:
     

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  4. Eyand

    Eyand New Member

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    download dulu sapa tau butuh :tepuktangan:
     
    Last edited by a moderator: 17 August 2017
  5. Florencio M. G. Guterres

    Florencio M. G. Guterres New Member

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    Baik mas, makasih banyak :tepuktangan:

    Ya mas, dari hasil uji tanah pakai N-Spt. Saya mau caranya menghitung, misalnya hasil Pu udah ada, ambil hasil dari perhitungan struktur kolom yg paling kritis untuk didesain pondasi tiang pancang.
    Baigamana cara menghitung & langkah-langkah tiang sampai akhir Kebutuhan jumlah tiang pancang?...
     
    Guterres elliot likes this.
  6. DONI

    DONI Moderator Staff Member

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    coba baca buku ini mas semoga membantu
     

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  7. rizaardiyanto

    rizaardiyanto New Member

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    :pusing: :nyerah:
     
  8. DONI

    DONI Moderator Staff Member

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    Mumet mas? :LOL:
     
  9. Asih Mitra

    Asih Mitra New Member

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    Misalnya kita sudah dapat daya dukung tiang pancang dari data Sondir, lalu dipakai ke perencanaan. Daya dukung pile cap juga dihitung Pak? Bagaimana caranya, apakah sama seperti menghitung pondasi dangkal?
     
  10. DONI

    DONI Moderator Staff Member

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    Ijinkan newbie ikut memberi pendapat mbk.
    Pile cap fungsinya bukan buat mendukung beban diatasnya tp untuk pengikat pondasi dibawahnya sebelum didirikan kolom diatasnya, mungkin daya dukungnya kecil jadi diabaikan dan tdk dimasukkan hitungan. Cmiiw
    Nunggu jawaban dari para senior :hmm:
     
  11. Rima yuniarti

    Rima yuniarti New Member

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    Assalamualaikum wr wb mas/mba cara mencari nilai perlawanan konus darimana yah??
     
  12. Rima yuniarti

    Rima yuniarti New Member

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    Saya disuruh dosen mencari data sondir dikarenakan di proyek saya magang tidak ada data sondir. Barangkali ada contoh perhitungan excel data sondir saya boleh minta?
     
  13. DONI

    DONI Moderator Staff Member

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    Walaikumsalam, tahan konus didapat dari uji sondir mbk. Kalau gak di uji sondir gak bisa didpt tahanan konus maupun tahanan friksi nya :ok:
     
  14. Rima yuniarti

    Rima yuniarti New Member

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    Kalo misalkan mau buat data sondir tapi ga pernah uji sondir apa bisa mas dengan data hasil pemancangan saja
     

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  15. Rima yuniarti

    Rima yuniarti New Member

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    Itu contoh data pemancangan mas?
     
  16. Rima yuniarti

    Rima yuniarti New Member

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    Mas saya boleh minta cara pembuatan excel data sondir dan penjelsannya?
     
  17. DONI

    DONI Moderator Staff Member

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    Ini kayaknya dari hasil kalendering mbk. Jadi saat memancang bisa langsung dihitung daya dukung nya brp. Rumus nya pakai ini

    You have to login and like this post in order to see this link

    Kalau pakai data diatas yg punya mbk rima, saya gak paham nyari nilai tahanan konus dan tahanan friksi. :nyerah:
     
  18. IrHarjo

    IrHarjo New Member

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    Menarik sekali penjelasanya mas... layak menjadi ahli
     

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