Perencanaan Perkuatan Lereng Alami Pada Kasus Kelongsoran Jalan Sei Wain KM 15+00, Balikpapan, Kalimantan Timur

Giur, Made Arya Ramasathya Wiwekananda (2024) Perencanaan Perkuatan Lereng Alami Pada Kasus Kelongsoran Jalan Sei Wain KM 15+00, Balikpapan, Kalimantan Timur. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Jalan Sei Wain yang terletak di Balikpapan, Kalimantan Timur adalah salah satu jalan di Indonesia yang dibangun diatas lereng. Jalan Sei Wain KM 15+00 (sepanjang sekitar 100 meter) memiliki elevasi yang lebih rendah dari pada daerah sekitarnya karena jalan tersebut dibangun diatas lereng alami yang terletak di tepi lembah. Berdasarkan hasil test tanah, tepi jalan Sei Wain KM 15+00 memiliki kondisi tanah yang didominasi oleh clay dengan nilai N-SPT 60 pada kedalaman 10 – 12 meter. Dengan kondisi tanah tersebut, tepi jalan Sei Wain KM 15+00 diperkirakan tidak akan mengalami kelongsoran. Namun, kenyataannya kelongsoran terjadi pada jalan Sei Wain KM 15+00. Kelongsoran terjadi pada area tepi jalan yang terletak pada tepi lembah, tepatnya pada section 2 hingga section 6. Hal tersebut dicruigai disebabkan oleh adanya cracked soil, retakan pada tanah sehingga menyebabkan air hujan ke dalam retakan tersebut, dan tidak adanya saluran drainase pada area jalan. Berdasarkan hasil pembahasan, penyebab utama terjadinya kelongsoran pada tepi jalan Sei Wain KM 15+00 section 2 hingga section 6 adalah cracked soil dengan menggunakan pendekatan behaving like sand. Kemudian, perkuatan yang akan digunakan dari 4 perencanaan perkuatan, yaitu geotextile, bored pile, micropile, dan bronjong, berdasarkan kemudahan pelaksanaannya adalah kombinasi antara bored pile dengan bronjong.
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Sei Wain Road located in Balikpapan, East Kalimantan is one of the roads in Indonesia built on a slope. Sei Wain road KM 15+00 (about 100 meters long) has a lower elevation than the surrounding area because the road is built on a natural slope located on the edge of a valley. Based on the soil test results, the Sei Wain KM 15+00 roadside has a soil condition dominated by clay with an N-SPT value of 60 at a depth of 10-12 meters. With these soil conditions, the Sei Wain KM 15+00 roadside is not expected to experience landslides. However, in fact, landslides occurred on the Sei Wain KM 15+00 road. The landslide occurred on the roadside area located on the edge of the valley, precisely in sections 2 to section 6. This is suspected to cause landslides on the Sei Wain KM 15+00 roadside are cracked soil, cracks in the soil that cause rainwater to enter the cracks, and the absence of drainage channels in the road area. Based on the discussion result, the main cause of the landslide on the Sei Wain KM 15+00 section 2 to section 6 is cracked soil using the behaving like sand approach. Then, the reinforcement to be used from 4 reinforcement plans, namely geotextile, bored pile, micropile, and gabion, based on the ease of implementation is a combination of bored piles with gabions.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Bored pile, Bronjong, Behaving Like Sand, Cracked Soil, Geotextile, Micropile, Gabions
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) > TA749 Soil stabilization T Technology > TA Engineering (General). Civil engineering (General) > TA775 Foundations. T Technology > TA Engineering (General). Civil engineering (General) > TA780 Piles and pile-driving
Divisions:	Faculty of Civil, Planning, and Geo Engineering (CIVPLAN) > Civil Engineering > 22201-(S1) Undergraduate Thesis
Depositing User:	Made Arya Ramasathya Wiwekananda Giur
Date Deposited:	05 Feb 2024 02:13
Last Modified:	05 Feb 2024 02:13
URI:	http://repository.its.ac.id/id/eprint/106026

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