PENGARUH GROUTING TERHADAP STABILITAS BENDUNGAN

    Yuli Siti Sadiah, - (2023) PENGARUH GROUTING TERHADAP STABILITAS BENDUNGAN. S1 thesis, Universitas Pendidikan Indonesia.

    Abstract

    Kasus kegagalan bendungan yang disebabkan rembesan masih sering terjadi hal ini dapat
    menyebabkan terganggunya kestabilan bendungan. Pada beberapa kasus, kerusakan
    bendungan diperbaiki menggunakan grouting pada tubuh bendungan tetapi, disisi lain
    perbaikan ini dapat menimbulkan kerusakan lainnya yakni, rekahan hidrolik. Sehingga,
    untuk melihat pengaruh grouting yang sesungguhnya dilakukan pemodelan grouting pada
    tubuh bendungan menggunakan Finite Element Method Plaxis 3D terhadap rembesan,
    stabilitas bendungan, dan potensi hydraulic fracture. Bendungan yang digunakan
    merupakan salah satu penelitian terdahulu yang ditulis oleh Priyanka Talukdar dan
    Arindam Dey, grouting divariasikan terhadap posisi dan jarak yaitu pada tengah, hulu, hilir
    bendungan dengan jarak 1 m,1.5 m, serta 2 m. Hasil pemodelan menunjukan pengurangan
    debit rembesan yang tidak terlalu berbeda jauh pada grouting dengan variasi posisi
    sedangkan, grouting dengan variasi jarak menunjukan pengurangan yang signifikan,
    grouting juga menyebabkan peningkatan deformasi pada tiga dari sembilan hasil
    pemodelan. Selain itu, nilai faktor keamanan mengalami peningkatan terlebih pada
    grouting tengah bendungan. Hasil lain yang didapatkan berupa, hampir keseluruhan hasil
    menunjukan peningkatan potensi hydraulic fracture dengan grouting posisi tengah
    bendungan menyebabkan peningkatan potensi hydraulic fracture yang cukup kecil diantara
    ketiga variasi grouting posisi lainnya. Sementara itu, pengurangan potensi hydraulic
    fracture dapat terjadi saat grouting berada di hulu bendungan meski tidak terlalu signifikan.
    Dan terakhir, peningkatan potensi hydraulic fracture pada grouting dengan jarak 1.5 m,
    serta 2 m lebih sedikit dibandingkan grouting dengan jarak 1 m kecuali, grouting pada hulu
    bendungan. :
    Cases of dam failure caused by seepage are still common, this can cause disruption the
    stability of the dam. In some cases, dam failure is repaired using grouting on body of dam
    but, on the other hand this repair can cause other damage, namely hydraulic fractures. So
    to see the actual effect of grouting, modeling grouting on body of dam is carried out using
    Finite Element Method Plaxis 3D on seepage, dam stability, and potential hydraulic
    fracture. The dam used is one of the previous studies written by Priyanka Talukdar and
    Arindam Dey, grouting varies in position and distance, in the middle, upstream,
    downstream of dam with a distance of 1 m, 1.5 m and 2 m. The modeling results show
    decrease seepage discharge were not too different for grouting with variations in position
    whereas, for grouting with variations in position distance show significant result, grouting
    also caused increased deformation in three of nine modeling results. In addition, the value
    of safety factor has increased, especially when grouting in the middle of dam. Other results
    were obtained in the form that almost all of the results showed an increase in potential
    hydraulic fracture with grouting in the middle position of dam causing a relatively small
    increase in potential hydraulic fracture among the three variations of grouting in other
    positions. Meanwhile, decrease of hydraulic fracturing potential can occur when the
    grouting is upstream, although not too significant. And lastly, increase of potential
    hydraulic fracture in grouting with a spacing 1.5 m, and 2 m is less than grouting with a
    spacing 1 m except for grouting upstream of dam.

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    Official URL: http://repository.upi.edu;
    Item Type: Thesis (S1)
    Additional Information: SINTA ID : 6003810
    Uncontrolled Keywords: Bendungan, Grouting, Plaxis 3D, Rembesan, Stabilitas bendungan, Potensi hydraulic fracture Dam, Grouting, Plaxis 3D, Seepage, Dam stability, Hydraulic fracture potential
    Subjects: L Education > L Education (General)
    Divisions: Fakultas Pendidikan Teknik dan Industri > Jurusan Pendidikan Teknik Sipil > Program Studi Teknik Sipil
    Depositing User: Yuli Siti Sadiah
    Date Deposited: 09 Oct 2023 08:44
    Last Modified: 09 Oct 2023 08:44
    URI: http://repository.upi.edu/id/eprint/105525

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