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All Journal Media Ilmiah Teknik Sipil Jurnal Riset Rekayasa Sipil
Khoirun Nisa'
Universitas Kadiri
Civil Engineering, Building, Construction & Architecture Engineering Environmental Science

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Pondasi Sumuran Sebagai Solusi Pada Jenis Tanah Berpasir Dengan Muka Air Tanah Tinggi: Foundation Of Wells As A Solution For Sandy Soil Types With High Groundwater Levels Hikmatul Lailiya; Agata Iwan Candra; Khoirun Nisa'; Rina Dwi Fatika; M Ilham Fauzil Fahmi; Ricky Putra Ardianto; Ogest Tegar Widyakrama
Media Ilmiah Teknik Sipil Vol. 11 No. 2 (2023): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mits.v11i2.4454

Abstract

Soil conditions have an important influence on foundation planning in shophouse construction. Sandy soil with a high groundwater table is a problem because it has a low bearing capacity and is difficult for foundation casting. The aim of the research is to plan a proper foundation. This research by taking samples for testing compaction and shear strength. The test results are used to analyze the existing foundation planning. If the bearing capacity value does not meet the load assumption of 100 t/m2, then a re-planning is carried out with a minipile well foundation. The results of the research show that the existing foundation is a palm type foundation and the bearing capacity value is not fulfilled. So that the modification of the well foundation in the form of a minipile was carried out and the soil carrying capacity was obtained at 36.61 t/m2. To be able to withstand the load of the structure, it is necessary to plan the use of 3 minipiles, so that a value of 109.82 t/m2 is obtained which indicates the foundation is suitable for use. The results of this study can be used as a reference for planning foundations with sandy soil conditions with a high water table.
ANALISA KETAHANAN GESER TANAH LEMPUNG DI WILAYAH UNIVERSITAS KADIRI DENGAN UJI KUAT GESER LANGSUNG Khoirun Nisa'; Agata Iwan Candra; Mohammad Abdul Aziz Hanafi; Rahmat Heru; Arif Rivianto
Jurnal Riset Rekayasa Sipil Vol 6, No 1 (2022): September 2022
Publisher : Prodi Teknik Sipil Fakultas Teknik Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1004.193 KB) | DOI: 10.20961/jrrs.v6i1.61580

Abstract

Tanah lempung adalah salah satu jenis tanah lunak berbutir halus dan memiliki luas permukaan yang lebih besar dibanding diameter partikelnya. Tanah lempung memiliki kompresibilitas dan pemampatan yang tinggi, serta memiliki sifat kembang susut akibat interaksi dengan air. Faktor tersebut mengakibatkan daya dukung tanah menjadi rendah sehingga rawan terjadi kelongsoran apabila tanah tersebut dijadikan sebagai dasar perletakan konstruksi. Oleh karena itu perlu dilakukan stabilisasi tanah. Tujuan stabilisasi tanah adalah untuk meningkatkan kemampuan tanah dalam menahan beban dan daya dukung dengan peningkatan parameter kuat geser tanah. Berdasarkan hasil penelitian uji kuat geser langsung yang dilaksanakan di Laboratorium Teknik Sipil Universitas Kadiri menggunakan mesin Direct Shear Test diperoleh  nilai kohesi sebesar 0,224 kPa dan nilai sudut geser dalam sebesar 3,783°, sehingga dapat disimpulkan bahwa tanah di wilayah Universitas Kadiri ini rawan terjadi kelongsoran dan perlu dilakukan upaya stabilisasi tanah apabila difungsikan sebagai dasar perletakan suatu konstruksi.
Co-Authors Agata Iwan Candra Arif Rivianto Hikmatul Lailiya M Ilham Fauzil Fahmi Mohammad Abdul Aziz Hanafi Ogest Tegar Widyakrama Rahmat Heru Ricky Putra Ardianto Rina Dwi Fatika