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N Nanda
Universitas Putra Indonesia YPTK Padang
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Studi Stabilitas Lereng Jalan Tarusan PainanPesisir Selatan dan Penanggulangannya N Nanda
Civil Engineering Collaboration Vol. 5 (2020) No. 2
Publisher : Universitas Putra Indonesia YPTK Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35134/jcivil.v5i2.14

Abstract

Longsoran yang terjadi di jalan Tarusan-Painan terjadi karena intensitas hujan yang cukup deras yang menyebabkan pergerakan tanah pasir pada lereng. Analisis stabilitas lereng merupakan analisis yang harus dilakukan untuk mengetahui lereng tersebut aman atau tidak. Penelitian ini bertujuan untuk menganalisis lereng yang telah mengalami kelongsoran beserta penanganannya. Metoda yang digunakan untuk analisis stabilitas lereng adalah dengan menggunakan software slide 6.0 dengan hasil faktor keamanan rata-rata 0.47 yang menyatakan lereng tidak aman sehingga diperlukan penangan yang tepat dan efektif. Penanganan yang dipilih terdiri dari dua opsi, yaitu dinding penahan tanah kantilever dan turap kantilever. Dari hasil analisis dinding penahan tanah kantilever didapatkan Fs guling = 3.39, Fs geser = 1.91, Fs daya dukung = 7.80, sedangkan dengan menggunakan turap kantilever didapatkan tinggi turap dari dredge line 6 m, dan kedalaman aktual 9 m dengan menggunakan safety factor 1.3. Dengan menggunakan metode elemen hingga didapatkan nilai safety factor 1.817.
Perencanaan Ulang Pondasi Pilar Jembatan Sikabu Kayu Gadang N Nanda; Maiyozzi Chairi; Nofri Fu’adi Rahmat
Civil Engineering Collaboration Vol. 6 (2021) No. 2
Publisher : Universitas Putra Indonesia YPTK Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35134/jcivil.v6i2.30

Abstract

The construction of transportation facilities such as bridges plays an important role in the development of human resources today because more and more road users will use these facilities. The Sikabu Kayu Gadang Bridge has a span of 100 meters with a structure of precast concrete, abutments, pillars and a foundation of concrete and steel piles which inspired the authors to conduct research. In this type of selection, several things need to be considered, such as the load being carried and the location of the hard ground. Based on this, this study aims to analyze the deep foundation that can be applied to the project in the hope of getting more efficient results. Based on the re-planning, the bearing capacity of the foundation permit (Qall) is 1254.98 kN with a diameter of 0.5 m and a depth of 20 m. The permitted bearing capacity of the pile group (Qall) is 12795.46 kN to withstand the loads acting on the superstructure. Bore Pile foundation logitudinal reinforcement = 10 D16 and Bore Pile shear reinforcement = ᴓ 12 – 150 mm.
Co-Authors Maiyozzi Chairi Nofri Fu’adi Rahmat