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Metode Reverse Circulation Drilling Pada “Approach Bridge” Jembatan Suramadu Roejanto, Juse; Herol
JURNAL TEKNIK SIPIL Vol 5 No 1 (2024): Jurnal Teknik Sipil - Juni 2024
Publisher : Universitas Pelita Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37366/jts.v5i1.5156

Abstract

The selection of the appropriate drilling method is crucial, especially for offshore projects (conducted on rivers or seas), which generally involve deep drilling lengths and large diameters. One drilling method, aside from the commonly used “Kelly bar system” for land drilling, is the circulation system. For the “Approach Bridge” and “Main Bridge” sections of the Suramadu Bridge, the drilling method employed was the “Circulation” method. The focus of this discussion is on the “Approach Bridge” section, as the drilling depth reaches around 80-90 meters, and the soil conditions are quite varied according to available data. However, in general, clay shale layers were found, a type of soil highly sensitive to disturbances during the drilling process and to weather effects. Therefore, during the drilling process, a slurry stabilizer is required to prevent the collapse of the bore pile walls. The slurry stabilizer used involves mud and bentonite. After the bore pile construction is completed, the piles will be tested to determine their bearing capacity. The bore pile tests are conducted using the Osterberg Cell method, and a Sonic Logging test is also carried out to assess the integrity of the bore piles.
Bangunan Sejarah Stasiun Jakarta Kota Sebagai Cagar Budaya Musholiha, Nindya Retno Musholiha; Hidayatullah, Syarif; Roejanto, Juse
JURNAL TEKNIK SIPIL Vol 5 No 2 (2024): Jurnal Teknik Sipil - Desember 2024
Publisher : Universitas Pelita Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37366/jts.v5i2.5709

Abstract

Jakarta Kota Station is better known as Beos Station, which is short for Bataviasche Ooster Spoorweg Maatschappij (East Batavia Railway Transportation Company). The Jakarta Kota area as an old area with relics of historical buildings from the Dutch East Indies era. The Jakarta city station is included. So that the development of the Jakarta Kota station must pay attention to the aspects of cultural heritage conservation as part of the effort to preserve the old Jakarta Kota area. This building also contains several significance which provide evidence that it is a historic building and has passed a long period of existence as a public building with its proper function until today. In this research, an analysis will be carried out regarding the significance form of Jakarta Kota Station as a Cultural Heritage building in Kota Tua, Jakarta. So that it is hoped that an appropriate effort will be obtained to preserve the Jakarta Kota Station building according to steps according to the preservation rules by competent and relevant parties in the preservation of Cultural Heritage buildings.