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All Journal Jurnal Spektran JURNAL TEKNIK SIPIL ITP ISSN 2354-8452 Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming Community Development Journal: Jurnal Pengabdian Masyarakat JURNAL TEKNIK SIPIL UNAYA Publikasi Riset Orientasi Teknik Sipil (Proteksi) Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil Journal of Civil Engineering and Planning (JCEP) Batakarang Jurnal Momen : Teknik Sipil Suryakancana Jurnal Teknik Sipil Institut Teknologi Padang Sewagati ETERNITAS Journal of Local Architecture and Civil Engineering Jurnal Teknik Sipil
Krisantos Ria Bela
PROGRAM STUDI TEKNIK SIPIL, FAKULTAS TEKNIK, UNIVERSITAS KATOLIK WIDYA MANDIRA JLN. SAN JUAN NO. 1 PENFUI TIMUR KUPANG-NTT-INDONESIA
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Journal : ETERNITAS

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PERANCANGAN PERKERASAN JALAN KOMPOSIT PADA RUAS JALAN KANITI DESA PENFUI TIMUR KABUPATEN KUPANG Lourdes, Atrianus; Pedo, Krisantus Satrio Wibowo; Bela, Krisantos Ria
Eternitas: Jurnal Teknik Sipil Vol 3 No 1 (2023): ETERNITAS JURNAL TEKNIK SIPIL UNWIRA
Publisher : Program Studi Teknik Sipil Universitas Katolik Widya Mandira

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30822/eternitas.v3i1.3177

Abstract

The condition of road infrastructure in East Penfui Village is inadequate on several road segments because road improvements are not commensurate with village growth. One of the village infrastructure improvement plans is improvements to the Kaniti Road section (Kaniti Bridge). Composite pavement planning on this section needs to be done as an alternative to selecting the right type of pavement. This research method uses a calculation method based on the rigid pavement layer thickness planning guidelines Pd-T-14-2003 and calculates flexible pavement layer thickness using component analysis methods. The design results are Jointed Reinforced Concrete Pavement with a design age of 20 years without concrete shoulders, a concrete slab thickness of 22 cm, a slab width of 5.5 m, a slab connection length of 5 m, shrinkage joints, and spokes and concrete transverse and longitudinal reinforcement. The plate thickness is 22 cm and meets the requirements of the fatigue and erosion analysis results. The results of designing the thickness of the composite pavement layer with a design life of 20 years consist of subgrade, sub-base in the form of aggregate A 10 cm thick, LMC (Lean Mix-Concrete) 15 cm thick, a surface layer in the form of a concrete slab 22 cm thick, and HRS (Hot Rolled Sheet) asphlalt is 5 cm thick..
PENYELIDIKAN TANAH MENGGUNAKAN METODE UJI SONDIR Krisantos Ria Bela; Paulus Sianto
Eternitas: Jurnal Teknik Sipil Vol 2 No 1 (2022): ETERNITAS : Jurnal Teknik Sipil, Vol 2, No 1 Oktober 2022
Publisher : Program Studi Teknik Sipil Universitas Katolik Widya Mandira

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30822/eternitas.v2i1.1755

Abstract

Cone Penetration Test (CPT) or sondir is a method designed to determine and test the strength of the soil layer. This sondir test has been carried out in Tunfeu Village, Nekamese District, Kupang Regency, East Nusa Tenggara to determine the resulting bearing capacity and determine the type of foundation that is suitable for the research location point. The soil investigation method is carried out by direct testing in the field using a sondir tool. Secondary data were obtained from several literature studies. Primary data obtained from sondir results at three predetermined location points. Data analysis used two parameters at each depth, namely the Conus Resistance Value (qc) in kg/cm2, and the total shear value (Tf) in kg/cm units. The two parameters above were recorded for every 20 cm interval where at point 1 the value of qc ³ 245 kg/cm2 is obtained at a depth of –11.60 m with a Tf 337.33 kg/cm. At point 2 the value of qc ³ 225 kg/cm2 is obtained at a depth of –21.20 m with a Tf 394 kg/cm. While at point 3 the value of qc ³ 235 kg/cm2 is obtained at a depth of –19.60 m with a Tf 548.67 kg/cm. Based on the results of the sondir above, the type of foundation that is suitable for the soil conditions in Tunfeu Village is a pile or deep foundation (bored pile).
PENGARUH VARIASI JUMLAH TUMBUKAN TERHADAP NILAI MARSHALL HASIL PEMADATAN PADA ASPAL HRS-WC SECARA MANUAL DAN ELEKTRIK Maria Laura Alviani Muda Makin; Egidius Kalogo; Krisantos Ria Bela
Eternitas: Jurnal Teknik Sipil Vol 2 No 2 (2023): ETERNITAS : Jurnal Teknik Sipil, Vol 2, No 2 April 2023
Publisher : Program Studi Teknik Sipil Universitas Katolik Widya Mandira

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30822/eternitas.v2i2.2444

Abstract

In this study, an analysis was conducted on the influence of the number of compaction impacts on the density of asphalt mixtures using the Marshall method on Hot Rolled Sheet Wearing Course (HRS-WC) Thin Asphalt Concrete (Lataston) mixture. The main objective of this research is to compare the compaction results between manual and electric methods. To achieve this, variations in the number of impacts were performed, namely 2 x 25, 2 x 40, 2 x 50, 2 x 60, and 2 x 75 impacts. The research results showed a significant difference between the manual and electric compaction methods in the observed Marshall parameters. Especially with 2 x 75 impacts, a noticeable difference was observed with a stability difference percentage of up to 2.505%. Therefore, it can be concluded that although the manual and electric compaction methods yield relatively similar results in terms of Void In Mix (VIM), Void In Material Aggregate (VMA), and Void Filled With Bitumen (VFB), there is a significant difference in stability, flow, and Marshall Quotient (MQ) parameters. This research has important implications in asphalt compaction practice and can be used as a guideline for selecting the most suitable compaction method to produce optimal quality asphalt mixtures.
PERBANDINGAN KARAKTERISTIK MARSHALL PADA CAMPURAN ASPAL PANAS LAPIS BETON LAPIS ANTARA MENGGUNAKAN AGREGAT UKURAN 25 mm DAN AGREGAT UKURAN 19 mm Milo, Maria Krisanti Ivoni Milo; Kalogo, Egidius; Bela, Krisantos Ria
Eternitas: Jurnal Teknik Sipil Vol 3 No 1 (2023): ETERNITAS JURNAL TEKNIK SIPIL UNWIRA
Publisher : Program Studi Teknik Sipil Universitas Katolik Widya Mandira

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30822/eternitas.v3i1.3180

Abstract

The hot mix asphalt-aggregate mixture in the construction of asphalt concrete roads generally consists of three layers: the base layer, intermediate layer, and surface layer placed on a granular subbase. One of the asphalt concrete layers is the Intermediate Layer, which is a hot asphalt mixture consisting of aggregate, asphalt material, and filler mixed at a central mixing plant. The resulting mixture is spread and compacted on the Aggregate Base Layer. The hot asphalt mixture is designed according to the General Specifications for Road and Bridge Construction by the Directorate General of Highways in 2018 (Revision 3) to ensure that the design assumptions regarding Asphalt Content, Air Voids, Stability, Flexibility, and Durability are in line with the planned traffic. Research results indicate differences in Marshall characteristics from Marshall test results for the Intermediate Layer asphalt concrete mixture (AC-BC) of the two compositions. Almost all Marshall properties meet the Directorate General of Highways specifications in 2018 Revision 3, except for Flow with a particle size of 19 mm, which does not meet the specified flow range of 2 – 4 mm, and Marshall Stability for Aggregate Residue with a particle size of 19 mm, which does not meet the specified minimum of 90%. Meanwhile, the Optimum Asphalt Content (OAC) values for Aggregate with a particle size of 25 mm are 5.11%, and for Aggregate with a particle size of 19 mm, it is 5.18%.
PENGARUH VARIASI TUMBUKAN PADA KADAR ASPAL OPTIMUM TERHADAP CAMPURAN LATASTON (HRS-BASE) DENGAN METODE MARSHALL TEST Ninu, Niccolo Yanthonius Adventus Agung; Bela, Krisantos Ria; Manubulu, Christiani Chandra
Eternitas: Jurnal Teknik Sipil Vol 4 No 1 (2024): ETERNITAS: Jurnal Teknik Sipil, Vol 4, No 1 Oktober 2024
Publisher : Program Studi Teknik Sipil Universitas Katolik Widya Mandira

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30822/eternitas.v4i1.3481

Abstract

Compaction is a crucial factor that affects the quality and performance of road pavements. This study evaluates the impact of varying compaction blows at the optimum asphalt content on Lataston (HRS-Base) mixtures using the Marshall Test method. The tested compaction variations are 2 x 40, 2 x 50, 2 x 60, and 2 x 70 blows. The results show that stability values increase from 841.19 kg at 2 x 40 blows to 1151.42 kg at 2 x 70 blows. Flow values decrease from 3.45 mm at 2 x 40 blows to 3.18 mm at 2 x 70 blows. The Marshall Quotient (MQ) increases from 243.85 kg/mm at 2 x 40 blows to 362.72 kg/mm at 2 x 70 blows. The Void in the Mineral Aggregate (VMA) decreases from 19.30% at 2 x 40 blows to 17.02% at 2 x 70 blows. The Void in Mix (VIM) also decreases from 5.22% at 2 x 40 blows to 2.54% at 2 x 70 blows. The Void Filled with Asphalt (VFA) increases from 72.94% at 2 x 40 blows to 85.10% at 2 x 70 blows. The density of the mixture increases from 2.271 gr/cm³ at 2 x 40 blows to 2.335 gr/cm³ at 2 x 70 blows. However, only the 2 x 50 blows variation meets all the parameters specified in Bina Marga 2018 Revision 2. The 2 x 40 blows compaction results in low MQ and high VIM, while the 2 x 60 and 2 x 70 blows compaction results in VIM below the minimum limit. These findings highlight the importance of balanced compaction to enhance road pavement quality.
KINERJA STRUKTUR PEDIATRIC & ICCU BUILDING OF GUIDO VALADARES NATIONAL HOSPITAL MENGGUNAKAN PUSHOVER ANALYSIS Oke, Matheus Putra Septian Seda; Hendrikus, Rani; Mooy, Merzy; Manubulu, Christiani Chandra; Bela, Krisantos Ria
Eternitas: Jurnal Teknik Sipil Vol 4 No 1 (2024): ETERNITAS: Jurnal Teknik Sipil, Vol 4, No 1 Oktober 2024
Publisher : Program Studi Teknik Sipil Universitas Katolik Widya Mandira

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30822/eternitas.v4i1.3997

Abstract

According to SNI 1726-2019, hospitals are in category IV building risk which has high factor importance for building planning against earthquakes. Therefore, an evaluation of buildings is needed which is not only affected by earthquakes but also the strength, stiffness, and ductility of the building itself. This study aims to produce the performance of the Guido Valadares National Pediatric Hospital and ICCU Building using pushover analysis. The results of the analysis show that there is a deviation failure caused by the presence of a ramp on one side of the building which results in greater stiffness on that side than on the other side of the building. A new structural system is applied on the lower side of the building with bracing reinforcement to create balance for the building. The new design results reveal better building structure performance and it is in accordance with applicable standards.
Co-Authors Agustinus Haryanto Pattiraja Angul, Aurelia Lete Anissa Maria Hidayati Azarya Bees Bees, Azarya Belo, Martino Bone, Richardus Korsini Eno Budhi Benyamin Lily Christiani Chandra Manubulu Dale, Oswaldus Febriano Wawo Don Gaspar Noesaku da Costa Egidius Kalogo Egidius Kalogo Engelbertha Noviani Bria Seran, Engelbertha Noviani Bria Fernandes, Igidio Frederikus Dianpratama Ndouk Goldelfridus Alfredo Abani Gregorius Paus Usboko Hane, Angela Seralita Hendrikus, Rani I Wayan Redana Ignasia, Angela Maria Jeremias Gelu Plewang Kalogo, Egidius Krisantus Satrio Wibowo Pedo Loe, Michael Marco A. Putra Lourdes, Atrianus Lulu, Laurensius Mali, Adrianus Yuventus Maria Laura Alviani Muda Makin Maria Stefania Nahak Mauritius I. R. Naikofi Mauritius Ildo Rivendi Naikofi Merzy Mooy Milo, Maria Krisanti Ivoni Milo Ninu, Niccolo Yanthonius Adventus Agung Oke, Matheus Putra Septian Seda Pattiraja, Agustinus Haryanto Paulus Sianto Paulus Sianto Pedo, Krisantus Satrio Wibowo Seran, Christine Monalisa Seran, Sri Santi Leoporda Maria Fatima Sianto, Paulus Sri Santi L M F Seran Sri Santi L. M. F. Seran Sri Santi Seran Usboko, Gregorius Paus