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Santoso, Hinawan Teguh
Prodi Teknologi Konstruksi Jalan Dan Jembatan, Politeknik Pekerjaan Umum
Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Engineering Environmental Science Materials Science & Nanotechnology Transportation

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Evaluation of Cable Tension Using Static and Dynamic Test on R.H. Fisabilillah Cable-Stayed Bridge, Batam-Indonesia Santoso, Hinawan Teguh; Hidayat, Irfan
Jurnal Teknik Sipil dan Perencanaan Vol 25, No 1 (2023)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v25i1.42513

Abstract

R.H. Bridge Fisabilillah (Bridge I) is a cable-stayed bridge, included in the series of Barelang Bridges (Batam-Rempang-Galang) which were built from 1992 to 1998. With the service life of the bridge reaching 25 years, it is necessary to check the health condition of the bridge structure. Bridge cables are one of the most important elements of a cable-stayed bridge. These cable elements dominantly experience tensile forces when transmitting loads from the decks to the bridge pylons. Cable force inspection methods can be carried out through the direct measurement method (e.g. static test using a lift-off method) and indirect measurement (e.g. dynamic test using accelerometer sensors, electromagnetic/EM sensors, and so on). This study aims to compare the cable tensile force based on the static test (lift-off method) in 2017 against the dynamic test (accelerometer sensors) in 2022. Evaluation of the cable tensile force based on the dynamic test was carried out using the taut string theory and beam string theory approaches. From the study, the two empirical approaches yielded insignificantly different results where a difference in the mean difference of -1,71% was found with a maximum difference of 28,15%. The study also shows an increase in cable force capacity to a maximum of 47,20% UTS (ultimate tensile strength) based on the taut string theory and a maximum of 53.37% UTS based on the beam string theory. This value is greater when compared to the results of the cable force based on the static test (lift-off) in 2017, which was a maximum of 41.64% UTS. It is recommended to carry out further and more comprehensive studies to determine the effect of changes in cable force distribution on the behavior of the structure on the R.H. Fisabilillah Bridge.
Analisa Perhitungan Quantity Material Take-Off (QMTO) Struktur Bawah Jembatan Tipe Skew dengan Menggunakan BIM Autodesk Revit Tigauw, Fransisca Michille; Aprilianto, Fajrin; Santoso, Hinawan Teguh
Jurnal Inovasi Konstruksi Vol 2, No 2 (2023): October
Publisher : Politeknik Pekerjaan Umum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56911/jik.v2i2.44

Abstract

Quantity Material Take-off (QMTO) pada pekerjaan konstruksi umumnya masih dilakukan secara konvensional berdasar gambar 2D sehingga memungkinkan terjadi kesalahan akibat ketidakakuratan pada proses perhitungan volume. Building Information Modelling (BIM) merupakan terobosan di dunia konstruksi yang memungkinkan penghitungan kuantitas pekerjaan dilakukan dengan efektif dan efisien; salah satu software BIM berbasis 3D yang digunakan adalah Autodesk Revit. Penelitian ini bertujuan untuk menganalisa akurasi hasil perhitungan QMTO dengan menggunakan BIM terhadap hasil perhitungan konvensional pada pekerjaan pembesian dan beton struktur bawah jembatan. Penelitian menggunakan metode kuantitatif eksperimental dengan studi kasus pada struktur bawah jembatan dengan tipe skew (miring). Hasil penelitian menunjukkan adanya deviasi perhitungan volume antara metode konvensional dengan BIM untuk pekerjaan beton sebesar 10,66% dengan total biaya sebesar Rp. 1.050.751.645,17, sedangkan untuk pekerjaan pembesian sebesar 5,13% dengan total biaya sebesar Rp. 207.370.643,69. Dari studi, didapatkan bahwa faktor penyebab deviasi perhitungan lebih dominan disebabkan oleh human error, seperti: kesalahan asumsi dan interpretasi gambar, simplifikasi perhitungan bidang dan ruang, serta kesalahan penggunaan rumus perhitungan.
EVALUASI PEMERIKSAAN INTEGRITAS BETON PONDASI BORED PILE BERDASARKAN UJI PIT (PILE INTEGRITY TEST) DAN UJI CSL (CROSSHOLE SONIC LOGING) Yonamastuti, Ervina; Naufal, Mufti Astu; Santoso, Hinawan Teguh
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 (1277.389 KB) | DOI: 10.20961/jrrs.v6i1.65109

Abstract

Pondasi bor (bored pile) merupakan salah satu jenis pondasi dalam yang pembuatannya dilakukan dengan cor di tempat (cast in-situ) sesuai dengan kedalaman rencana.  Kontrol mutu pekerjaan pengecoran pada pondasi bor berupa integritas beton tidak memungkinkan dilakukan secara visual karena tertanam di dalam lubang bor. Oleh karena itu, metode uji non-destructive dengan Pile Integrity Test (PIT) dan Crosshole Sonic Logging (CSL) lazim digunakan untuk mendapatkan gambaran integritas beton pondasi bor. Penelitian dilakukan dengan mengambil sampel berupa 4 buah pondasi bor dengan diameter 1000 mm pada Proyek Paket Penggantian Jembatan Besuk Kobo’an, Lumajang, Jawa Timur. Pengujian integritas beton dengan PIT dilakukan terhadap 2 buah tiang uji, yaitu A15 dengan kedalaman 20,70 m dan B12 dengan kedalaman 23,60 m. Adapun pengujian integritas beton dengan CSL dilakukan pada 2 buah tiang uji, yaitu A1 dengan kedalaman 17,50 m dan B5 dengan kedalaman 22,28 m. Hasil pengujian PIT pada kedua tiang uji menunjukkan bahwa integritas beton tiang tersebut masuk dalam kategori undamage dengan nilai impedansi (BTA) sebesar 100%. Untuk hasil pengujian CSL pada kedua tiang uji menunjukkan bahwa integritas beton tiang tersebut masuk dalam kategori Good (G) dengan nilai FAT antara 0 sampai 10% serta reduksi energi <6 dB. Dapat disimpulkan bahwa seluruh sampel pondasi bor yang dilakukan pengujian PIT dan CSL memiliki integritas beton yang baik. Namun demikian, masih ditemukan beberapa ketidaksesuaian dalam pelaksanaan uji CSL, yaitu jumlah dari pipa akses yang digunakan, bahan penyambung pipa akses, dan waktu pelaksanaan pengujian.
ANALISIS PERBANDINGAN DAYA DUKUNG PONDASI TIANG PANCANG BERDASAR HASIL UJI SPT DAN PENGUJIAN DINAMIS Santoso, Hinawan Teguh; Hartono, Juandra
Jurnal Riset Rekayasa Sipil Vol 4, No 1 (2020): September 2020
Publisher : Prodi Teknik Sipil Fakultas Teknik Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (831.667 KB) | DOI: 10.20961/jrrs.v4i1.44635

Abstract

The foundation work is one of the main works in bridge construction. Failure of the foundation will be fatal for the entire bridge construction. Therefore, it is necessary to test the bearing capacity of the pile to determine the installed foundation capacity. The most accurate and most expensive method for determining the bearing capacity of a pile is a static load test, which is a full-scale trial method of giving a load 2 or 3 times greater than the designed load. Another method that is more economical and entirely accurate is using the High Strain Dynamics Pile Test (HSDPT) or often called the Pile Driving Analyzer (PDA) Test. This PDA test took a sample of 18 points of 600 mm diameter pre-stressed concrete piles on the Kaligawe Bridge located on Jalan Kaligawe KM 2+350, Semarang, Central Java. Based on the core drilling results, the soil layer was dominated by clay with an N-SPT value < 30 to a depth of 45 meters. The average bearing capacity of PDA test results is 432.4 tons or 0.4% greater when compared to the empirical approach based on N-SPT value (430.7 tons). The bearing capacity of the CAPWAP analysis is 401.0 tons or 7.3% less when compared to the PDA test, because the PDA test results are further processed using Signal Matching Analysis (SMA). CAPWAP analysis shows that the bearing capacity of piles is dominated by friction resistance by 71.7% and end resistance by 28.3% or by 4.4% difference when compared to the empirical approach, where the friction resistance value is 67.3% and end resistance is 32.7%. In general, it can be said that the PDA test is reliable enough to confirm the bearing capacity of the pile foundation that has been installed in the field.
Penggunaan CSS-Mortar Busa Sebagai Alternatif Pemilihan Tipe Konstruksi Jalan Layang terhadap Biaya Konstruksi Hinawan Teguh Santoso
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 8 No 2 (2020): Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v8i2.2123

Abstract

The elevated road construction which is originally intended to overcome congestion at the intersection of the highway/train, actually sometimes worsen the congestion that exists during the construction period. Therefore, a new construction method and technology is needed to minimize the congestion and provide a short construction period. CSS-Mortar Foam is a new technology introduced by the Research Center of the Ministry of PUPR (Pusjatan) in 2016 which has been applied to the construction of the Antapani flyover in Bandung. A study is needed to compare the construction cost of this technology with the technology of the overpass structure which is commonly used, namely PCI-Girder. Data collection process in this study are planning and DED data, inventory of work items and volumes, and the unit price. The next step is the construction-costs calculation process of the proposed alternative-construction types. The calculation of construction costs was carried out using the Work Unit Price Analysis (AHSP) which is developed by the Directorate General of Highways based on the third revision of 2010 General Specifications. The results showed that the alternative CSS-Mortar Foam construction types was able to reduce the construction costs of flyovers by 44.7% compared to the PCI-Girder construction type. Thus, CSS-Mortar Foam construction can be used as a more efficient alternative for flyovers/bridges construction.
Co-Authors Adityo B. Utomo Anton Husen Purboyo Anton Husen Purboyo Aprilianto, Fajrin Bhima Dhanardono Eggy Ihza Maulana Hidayatiningrum, Laely F. Indira L. Widuri Irfan Hidayat, Irfan Irvita Asri Aini Juandra Hartono Juandra Hartono, Juandra Laely F. Hidayatiningrum Masrianto - Masrianto -, Masrianto Masrianto Masrianto Naufal, Mufti Astu Tigauw, Fransisca Michille Utomo, Adityo B. Yonamastuti, Ervina