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RACIC : Rab Construction Research
Published by Universitas Abdurrab
ISSN : 25277073     EISSN : 26203170     DOI : https://doi.org/10.36341/racic
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
RACIC "Rab Construction Research" (ISSN 2527-7073) adalah Jurnal yang dikelola oleh Program Studi Teknik Sipil, Fakultas Teknik Universitas Abdurrab, yang terbit secara berkala dalam dua edisi per tahun.
Arjuna Subject : -
Articles 314 Documents
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ANALISA CAMPURAN BETON POROS DENGAN UKURAN AGREGAT KASAR 9.5 - 19 MM DAN PENAMBAHAN POLYAMIDE FIBER Willy Susanto; Abdi Septia Putra; Alrend Roy Peterson Kaputing
Racic : Rab Construction Research Vol. 9 No. 2 (2024): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i2.4471

Abstract

The issues of climate crisis and sustainability have garnered significant attention in the 21st century, driven by the industrial revolution and the burgeoning human population. This has resulted in various environmental challenges, including energy crises, global warming, and the scarcity of water resources. Sustainable cities must consider economic, infrastructural, social, and environmental aspects. One of the environmental challenges in urban development is the availability of water in the future. Vertical drainage utilizing pervious concrete technology is regarded as a solution to address this issue. Pervious concrete contains voids that enhance water absorption.This study aims to optimize the compressive strength, tensile strength, and permeability of pervious concrete through the addition of polyamide fibers. The findings indicate that the addition of 1.25% fibers enhances the tensile strength of concrete, albeit at the expense of compressive strength. Specimens with and without fibers exhibit better permeability capabilities than planned, indicating increased voids and permeability in coarse aggregates sized 9.5-19 mm.
PERENCANAAN ULANG SALURAN DRAINASE DI JALAN MANUKAN LOR II, KECAMATAN TANDES, KOTA SURABAYA Friska Windi Meira Aisyah; Eko Siswanto; Sony Susanto
Racic : Rab Construction Research Vol. 9 No. 2 (2024): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i2.4477

Abstract

Banjir adalah suatu keadaan dimana jumlah air yang berlebihan melebihi kapasitas suatu saluran air atau suatu wilayah tertentu, sehingga mengakibatkan air merendam daratan yang biasanya tidak tergenang. Jalan Manukan Lor II yang terletak di Surabaya merupakan kawasan yang kerap terendam air saat curah hujan tinggi. Permasalahan ini terus menerus muncul hampir setiap tahun, dan hingga saat ini belum ada solusi yang optimal. Hal ini dapat menimbulkan kesulitan dan ancaman terhadap keselamatan dan kesehatan masyarakat. Untuk mengatasi permasalahan tersebut diperlukan analisa terhadap saluran drainase. Penelitian ini bertujuan untuk mengetahui debit air yang dapat mengalir melalui saluran drainase eksisting dan merencanakan dimensi penampang saluran drainase yang sesuai guna mencegah terjadinya banjir. Metode yang digunakan adalah kuantitatif yang meliputi analisis awal penelitian, studi literatur, analisis data, rekapitulasi data, dan penarikan kesimpulan. Hasil penelitian ini debit air pada saluran drainase eksisting mencapai 2,61 m³/detik, lebih kecil dibandingkan debit saluran rencana yang mencapai 3,58 m³/detik. Kondisi ini dinilai tidak aman sehingga memerlukan perencanaan ulang saluran drainase untuk meningkatkan kapasitas dan keamanan saluran drainase. Dimensi saluran yang diperoleh antara lain tinggi saluran (h) sebesar 0,5 m, lebar saluran (B) sebesar 1 m, tinggi pengaman (w) sebesar 0,5 m, dan debit (Q) sebesar 3,58 m³/detik. Data ini dapat menjadi acuan penting untuk perbaikan dan pengembangan sistem drainase di Jalan Manukan Lor II.
EVALUASI BANGUNAN DENGAN DETAILING DAN TANPA DETAILING MENGGUNAKAN PUSHOVER ANALYSIS BERDASARKAN ASCE 41-17 Annisaa Yumna Aulia; Fritz Ferlin Kwannandar; Niar Resi Pramesthi
Racic : Rab Construction Research Vol. 10 No. 2 (2025): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v10i2.4478

Abstract

Indonesia is an earthquake-prone region, but many buildings are damaged when earthquakes occur, especially in non-engineered buildings, one of them is school buildings. School buildings in some cities are built without following the earthquake codes. Detailing that often ignored is stirrup hooks are not made with seismic hooks (135 ÌŠ), which affects confinement in the event of an earthquake. This study compares the performance of existing school buildings with detailing and without detailing (confined and unconfined) using pushover analysis for BSE-1E and BSE-2E earthquakes. The results obtained for school structures with column and beam detailing still meet the performance targets for both BSE-1E and BSE-2E earthquakes (IO and LS). While buildings that do not use detailing on their columns and beams for the BSE-1E earthquake still meet the performance target (LS), but do not meet for the BSE-2E earthquake where the performance passes Collapse Prevention (CP).
KAJIAN HUBUNGAN DAKTILITAS KURVATUR TERHADAP BERBAGAI RASIO TULANGAN LENTUR PADA BETON KONVENSIONAL & GLASS FIBER Taris Zulqisthi Masulili; Willy Susanto; I Gusti Agung Arie Krismayanti
Racic : Rab Construction Research Vol. 9 No. 2 (2024): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i2.4487

Abstract

Perencanaan struktur bangunan terhadap gempa sangat penting untuk memastikan keruntuhan inelastis terbatas pada sendi plastis dalam balok-balok. Daktilitas dan kapasitas deformasi inelastis yang cukup diperlukan, terutama dalam struktur beton bertulang, di mana ketahanan terhadap kegagalan getas penting untuk integritas struktural. Dalam zona seismik, desain struktur dengan perilaku daktail diperlukan, dengan kekuatan deformasi yang melampaui elastisitas tanpa kehilangan kemampuan operasional. Perhitungan daktilitas kurvatur penampang pada sendi plastis diperlukan untuk menentukan faktor jenis struktur. Analisis menunjukkan bahwa rasio tulangan lentur, jenis material, dan geometri penampang mempengaruhi daktilitas. Rasio tulangan lentur yang besar meningkatkan kapasitas penampang untuk menahan momen, tetapi tidak signifikan meningkatkan kapasitas kurvatur. Penggunaan beton fiber meningkatkan regangan, namun beton konvensional memiliki nilai daktilitas kurvatur yang lebih baik. Penampang persegi cenderung memiliki daktilitas lebih baik daripada penampang lingkaran dengan luas yang hampir sama. Penentuan rasio tulangan lentur yang efektif penting untuk meningkatkan kemampuan elemen struktur menahan gaya-gaya gempa.
EVALUASI KINERJA SIMPANG BERSINYAL JALAN BANYU URIP - JALAN PASAR KEMBANG DAN PERENCANAAN KOORDINASI SIMPANG BERSINYAL Mohamad Andre Firmansyah Putra; Ibnu Sholichin; Nugroho Utomo
Racic : Rab Construction Research Vol. 9 No. 2 (2024): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i2.4569

Abstract

The congestion that occurs at Pasar Kembang street - Diponegoro street and Banyu Urip street - Girilaya street has three intersections that are close together and around the intersection there are various land uses, causing high community activities. The purpose of this study was to determine the traffic performance and ideal time coordination at the signalized intersection of Banyu Urip street - Pasar Kembang street. Primary data required for this study are intersection geometric data, cycle time data, vehicle volume data and vehicle travel time data. Meanwhile, the secondary data in this study are population data and the number of motorized vehicles in Surabaya City. Analysis of signalized intersection performance calculations refers to the 2014 PKJI guidelines. Based on the results of the calculation of the traffic performance of the three intersections, it was found that the degree of saturation (DJ) in the 5-year plan life improvement condition at the first intersection Girilaya street, Banyu Urip street and Diponegoro street was 0.93 (average intersection delay = 81.716 sec/skr). Second Intersection Diponegoro street, Pasar Kembang street and Banyu Urip street amounted to 0.84 (average intersection delay = 43.257 sec/skr). Third Intersection Jalan Pasar Kembang and Jalan Pasar Kembang of 0.94 (average intersection delay = 67.887 sec/skr). The coordination between the three intersections follows the same cycle time determination of 188 seconds.
OPTIMALISASI JARAK PEMASANGAN PREFABRICATED VERTICAL DRAIN (PVD) DALAM POLA PERSEGI PADA PERBAIKAN TANAH LUNAK Sofya Marinda Putri Wilis; Agata Iwan Candra; Fauzie Nursandah
Racic : Rab Construction Research Vol. 9 No. 2 (2024): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i2.4574

Abstract

Abstract Due the construction phase in project of the Dhoho Kediri International Airport Toll Road at STA 7+000 – STA 7+100 mentioned soft soil, leading to significant and time-consuming consolidation. In an effort to expedite the consolidation process, the preloading method with Prefabricated Vertical Drain (PVD) is applied. This method includes backfilling plan and PVD installation to reduce the flow of pore water in the soil, allowing for faster consolidation. This research aims to enhance the effectiveness of soil improvement by evaluating the influence of PVD installation distances in a square pattern. The research focuses on the analysis of soil parameters and PVD installation at distances ranging from 1.1m to 1.7m. The results indicate that the installation of square-patterned PVD is effective in accelerating consolidation. The final settlement prediction using the Terzaghi One-Dimensional approach provides practical references. Simulation results for distances between 1.1m and 1.7m show that 1.1m is the most effective distance because closer PVD installations result in faster consolidation times. This is evidenced by the consolidation time comparison, where without PVD, it takes 51,92 years to achieve 90% consolidation, while with PVD, it only requires 144 days. These findings are expected to provide practical guidance and significant contributions to the design of soil improvement in similar toll road construction projects. Keywords: Distance, Consolidation, Prefabricated Vertical Drain, Square pattern, Preloading.
ANALISIS BANGKITAN PERJALANAN TERHADAP PUSAT GROSIR SURABAYA DI KAWASAN SURABAYA PUSAT Maulana Riezal Pratama; Nugroho Utomo; Fithri Estikhamah
Racic : Rab Construction Research Vol. 9 No. 2 (2024): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i2.4585

Abstract

The pandemic has disrupted trading activities, causing business actors at the Surabaya Wholesale Center to go out of business and some business actors are still surviving today. So that their business can revive, the management of the Surabaya Wholesale Center is trying to revive consumer attraction so that the Surabaya Wholesale Center will once again be busy with visitors. Therefore, this research needs to be carried out to find out the factors that influence the number of trip generation, look for the best generation model and find out how much movement generation there is at the Surabaya Wholesale Center currently and predict the number of visitors in the projected life of the next five years. This research was conducted to analyze the impact of movement generation at this location, and predict the number of visitors at the Surabaya Wholesale Center using the multiple linear regression analysis method, which was then continued with trip generation analysis using the Detroit method. From the research results, it was found that the distribution of trips using the Detroit method was 102 trips in the next 5 years with a total growth of 13.98% per year. From the multiple linear regression equation, we get a generation equation model with the independent variable (X1) being age and the variable (X2) being the type of work, because it influences the generation (Y). The predicted number of visitors to the Surabaya Wholesale Center in the Central Surabaya area is 355,814 visitors with a growth rate visitors 20.2% in the next 5 years.
STUDI PERBANDINGAN ANALISIS SCWB PADA SRPMK MENGGUNAKAN KONSEP BALOK PERSEGI DAN BALOK T Salsabila Miyazumi Amri; Suranta Sembiring; Riesang Wirawan Probogumilang
Racic : Rab Construction Research Vol. 9 No. 2 (2024): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i2.4629

Abstract

Indonesia is one of the countries with the greatest risk of earthquakes in the world. Earthquakes that can damage or even collapse buildings make building design have to be earthquake resistant. Therefore, buildings must be designed respect to SNI 1726:2019 and SNI 2847:2019 earthquake resistant building planning standards. This study will investigate the comparison of the SMF structural design with two types of modelling concepts, namely the rectangular/conventional beam concept and the T-beam concept in the form of a comparison of reinforcement requirements, SCWB ratio, and structure performance level. This study was conducted in a five-story office building located in the city of Bandung which stands on soft soil. From the results of the calculation analysis, it was found that the column and plate reinforcement requirements were the same for both types of modelling concepts. Beam reinforcement requirements with the concept of rectangular beam modelling is higher than the concept of T-beam modelling. The SCWB ratio with the rectangular beam modelling concept is smaller than the SCWB ratio with the T-beam modelling concept. The SCWB ratio obtained by re-analysis using T-beams in the rectangular beam modelling design will be significantly reduced (20-35%) and there is even a SCWB ratio that is not qualified because it is less than 1.2. By pushover analysis, the performance level is according to ATC-40 and FEMA-440, for structures with rectangular beam modelling concept classified to damage control and for structures with T beam modelling concept classified to immediate occupancy.
PERENCANAAN DOUBLE TRACK LINTASAN KERETA API PADA EMPLASEMEN STASIUN MOJOKERTO - BOHARAN (KM 57+358 - KM 33+867) Raynaldi Meidianto; Nugroho Utomo
Racic : Rab Construction Research Vol. 9 No. 2 (2024): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i2.4782

Abstract

Based on National Railway Master Plan (RIPNAS)in 2030, there is an increase in train passenger travel on Java Island by 858.5 million people/year. The capacity of the railway track is inadequate because it still uses a single track on the Mojokerto - Boharan line so that there is a plan for a double track railway. On Java Island, there are 2 railway routes, namely the northern route (pantura) and the southern route. For the northern route or the North Coast route connecting Jakarta and Surabaya, it is already a double track. While for the southern route in the form of a double track, it is still realized on the Jombang - Mojokerto track. Then, on the Mojokerto - Boharan track, the existing railway line is still a single track or single track. The main focus of this study is the planning of a double track railway at the placement of Mojokerto - Boharan Station (KM 53 + 400 - KM 51 + 700). The structure of the double track railway in the Mojokerto - Boharan section that was reviewed was the planning of a double track railway that was given a geotextile layer against the aspect of the planned railway load. The guidelines used in this design are the Regulation of the Service No. 10 of 1986 from PT. KAI. As a result of this study is a review of the safety factor due to dead load damage to the railway structure, the safety factor of slope and lateral swelling against the reinforcement of the geotextile layer meets the requirements.
ANALISIS PENURUNAN BANGUNAN REVETMENT DENGAN PERKUATAN STRUKTUR CERUCUK MATRAS BAMBU PADA TANAH LUNAK DENGAN METODE ELEMEN HINGGA DAN INSTRUMENTASI LAPANGAN Umar Alfaruqi Abdurrahman; Wiwik Rahayu; Fathiyah Hakim Sagitaningrum; Putera Agung Maha Agung
Racic : Rab Construction Research Vol. 9 No. 2 (2024): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i2.4813

Abstract

Soft soil is one type of soil that often causes problems if proper planning is not carried out. An alternative method to improve the bearing capacity of soft soil is by utilizing bamboo materials as piles and mattress in the foundation of a building structure. Bamboo material is chosen because of its advantages such as abundance, affordability, short harvesting period, environmental friendly, and buoyancy optimization. In this study, a comparison of settlement was conducted between finite element method and field instrumentation observations on a wharf structure along the Kapuas River in Pontianak, which utilizes bamboo mattress piles as soil reinforcement. The soil deposit at the site is predominantly soft soil up to 28 m for the thickness with shallow groundwater levels. Stability and settlement analyses were performed using finite element method utilizing Plaxis software. The construction of the revetment structure was done gradually following observations from instrumentation. In the numerical analysis, the soil layers were modeled as Mohr-Coulomb materials. Bamboo piles were modeled as elastic-plastic springs, while bamboo mattress were modeled as elastic beams. From the instrumentation observations and numerical analysis, it was found that the revetment structure with bamboo pile and mattress provided stability against sliding and failure of bearing capacity. Thus, it can be concluded that the use of bamboo as piles and mattresses for reinforcing soft soil can be carried out and provides additional support for soft soil.

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