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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 165 Documents
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PERBANDINGAN BIAYA DAN WAKTU SISTEM DILATASI BALOK KANTILEVER DAN DUA KOLOM PADA PROYEK GEDUNG BERTINGKAT KAMPUS B UNIVERSITAS AIRLANGGA Monika Natalia; Riswandi Riswandi; Yan Partawijaya; Jajang Atmaja; M. Iqbal Kuswandi
Racic : Rab Construction Research Vol 7 No 2 (2022): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v7i2.2998

Abstract

Almost all regions of Indonesia are geographically vulnerable to natural disasters, earthquake. One way to implement a very long and structurally stable building design in the event of an earthquake or other circumstances is to provide a dilation system for the building. This research was conducted in a multi-storey parking building project at Airlangga University Campus B which applies a cantilever beam dilatation system and will be compared with a two-column dilatation system in terms of cost and time. Cantilever beam dilatation is a structural separation that uses a beam structure with one end having a clamp and the other end is free, while two-column dilatation is a structural separation that uses two columns side by side with a certain distance. From the results of the study, it was found that the cost of structural work with cantilever beam dilatation was Rp. 76,755,100,000, - and for two-column dilatation is Rp. 76.063.550.000,- while the total project time with cantilever beam dilatation is 451 working days, and for two-column dilatation is 447 working days. The application of two-column dilatation is 0.9% more cheaper and four days earlier than the application of the cantilever beam dilatation system.
PENGARUH KEHALUSAN FILLER ABU CANGKANG SAWIT TERHADAP SIFAT CAMPURAN ASPALT HOTMIX AC-BC DI TINJAU DARI VOID IN MIX DAN DENSITY Firdaus Firdaus; Alit Dasa Wuri
Racic : Rab Construction Research Vol 7 No 2 (2022): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v7i2.3000

Abstract

Aspal hotmix adalah satu dari beberapa bagian dari lapis perkerasan konstruksi flexible pavement. Penelitaan bertujuan untuk mengetahui seberapa besar pengaruh kehalusan fly ash cangkang sawit kepada stability, density dan void in mix aspal hotmix. Pada penlitian ini di gunakan parameter penelitian AC – BC. Hasil penelitian pengaruh kehalusan filler abu terbang cangkang sawit terhadap sifat campuran aspalt hotmix AC – BC ditinjau dari Void In Mix dan Density dapat di simpulkan sebagai berikut : Stabilitas : Pada tiap pemakaian variasi kehalusan stabilitas marshall semakin meningkat naik terhadap komposisi normal yaitu 1203 kg, untuk pemakaian variasi kehalusan di zona 1 stabilitas optimum adalah 1239 kg, untuk pemakaian variasi kehalusan di zona 2 stabilitas optimum adalah 1225 kg, dan untuk pemakaian variasi kehalusan di zona 3 stabilitas optimum adalah 1234 kg..Kepadatan Nilai Pada tiap pemakaian variasi kehalusan kepadatan semakin meningkat naik terhadap komposisi normal yaitu 2,316 grm /cc, untuk pemakaian variasi kehalusan di zona 1 kepadatan optimum adalah 2,319 grm/cc, untuk pemakaian variasi kehalusan di zona 2 kepadatan optimum adalah 2,317 grm/cc, dan untuk pemakaian variasi kehalusan di zona 3 kepadatan optimum adalah 2,317 grm/cc. Rongga Dalam Campuran Nilai Pada tiap pemakaian variasi kehalusan Void In Mix semakin meningkat naik terhadap komposisi normal yaitu 4.73, untuk pemakaian variasi kehalusan di zona 1 Void In Mix optimum adalah 5.12 % , untuk pemakaian variasi kehalusan di zona 2 Void In Mix optimum adalah 4.91 %, dan untuk pemakaian variasi kehalusan di zona 3 Void In Mix optimum adalah 5.07 %..
MANAJEMEN PENGETAHUAN UNTUK RISIKO BENCANA TSUNAMI –LITERATURE REVIEW Hadi Purwanto; Johan Danu Prasatya; Tedy Agung Cahyadi; Yohana Noradika Maharani
Racic : Rab Construction Research Vol 7 No 2 (2022): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v7i2.3001

Abstract

The application of knowledge management (KM) using Internet of Things (IoT) and Artificial Intelligence (AI) technology is able to capture, store, and disseminate disaster information in all phases of the tsunami disaster. IoT promises to provide continuous fast data, AI used in several disaster risk management applications promises to automate the analysis and dissemination of potential disaster information, as well as the results of disaster event analysis more accurately and faster. This study aims to develop an AI and IoT-based KM model for tsunami risk management based on the comparative results of previous research. The results of the comparison show that most KM, AI, and IoT research focus on the process of knowledge capture, knowledge store, knowledge sharing and mostly focus on pre-disaster. Some other KM research focuses on KM systems without AI, and IoT on the process of knowledge capture, knowledge store, knowledge sharing and only focuses on the stage of a disaster. There is very limited KM research that simultaneously examines KMS, AI, IoT in all knowledge management processes for all stages of tsunami disaster risk. The results of the comparison utilize to develop AI and IoT-based KM models for all stages of tsunami disaster risk management. This study can be a good guidance for stakeholders on the application of AI-based KM and IoT technology to manage tsunami disaster risk in Indonesia.
KARAKTERISTIK PENGGUNA DAN MANAJEMEN TRANSPORTASI ANTARMODA DI WILAYAH CIREBON SELAMA PANDEMI COVID-19 herry - hermawan; Pratikso Pratikso; Rahmat Mudiyono
Racic : Rab Construction Research Vol 7 No 2 (2022): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v7i2.3002

Abstract

The era of disruption expanded due to the Covid-19 pandemic in mid-March 2020 globally, including in the transportation sector. An investigation was conducted to identify the characteristics of users of intermodal public transportation and management of intermodal transportation in Cirebon, West Java, Indonesia. The investigative design used mixed methods. The sample with accidental sampling technique was 300 respondents, and 6 transportation experts in Cirebon City. The data were analyzed descriptively and multicriteria decision through AHP. The investigation provides information that: (1) Characteristics of respondents using intermodal transportation are 21-30 years old, male, last education D3/S1, private employee, with income less than 1.5 million per month. (2) Alternative policies that should be taken by the Cirebon City Government in overcoming traffic problems in the Cirebon area are as follows: (a) Revision of Regional Regulation No. 8 of 2016, (b) Development of Mass Transportation Systems. Policy for developing an integrated public transportation system in the form of bus rapid transit. This policy is a step to solve traffic jams that can reduce the use of private vehicles
PERBANDINGAN GAYA GESER DASAR SEISMIK DI PULAU JAWA MENGGUNAKAN METODE RESPON SPEKTRUM besty afriandini; Cremona Ayu Novita Sari; Arif Kurniawan Suksmono
Racic : Rab Construction Research Vol 7 No 2 (2022): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v7i2.3003

Abstract

In 2019 the National Standards Agency of Indonesia officially set the earthquake-resistant building planning standard, SNI 1726-2019, revising the previous standard, SNI 1726-2012. Changes in several parameters of earthquake resistance will affect changes in the spectrum response as an earthquake load. This study aims to compare the value of the seismic base shear using the response spectrum method with the application of SNI 1726-2012 and SNI 1726-2019 in 6 cities on the Java Island, namely Banten, Jakarta, Bandung, Semarang, Yogyakarta, and Surabaya. Structural modeling using SAP 2000 software and the analysis method used is the response spectrum method. The x-direction seismic base shear based on SNI 1726-2019 at 6 locations is 2666,184 ; 2537,047 ; 3225,123 ; 2829,838 ; 3202,125 and 2333,256 kN. The y-direction seismic base shear on SNI 1726-2019 produces 2783,057 ; 2648,228 ; 3366,417 ; 2953,858 ; 3342.421 and 2435.54 kN. The seismic base shear in the x-direction and the y-direction in 6 cities reviewed based on SNI 1726-2019 shows a bigger than SNI 1726-2012. The largest seismic base shear based on SNI 1726-2012 and SNI 1726-2019 in the X-direction and Y-direction are in the city of Bandung, concur to the results of the Response Spectrum calculations of the two regulations, which show the largest value is in the city of Bandung.
IMPLEMENTASI KONSEP BIM 5D PADA PEKERJAAN STRUKTUR PROYEK GEDUNG Amalina Farhana; Vendie Abma
Racic : Rab Construction Research Vol 7 No 2 (2022): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v7i2.3004

Abstract

Quantity take-off menjadi hal yang sangat krusial karena menjadi dasar perhitungan yang berkelanjutan untuk tahap perencanaan. Quantity take-off digunakan untuk perhitungan BoQ atau estimasi biaya. Kesalahan dalam memperkirakan quantity take-off akan menyebabkan penyimpangan biaya dan atau adanya penyimpangan pada volume kebutuhan material. Diperlukan adanya perhitungan quantity take-off dan rencana anggaran biaya (RAB) yang efektif yang dapat dilakukan dengan metode BIM 5D. Penerapan konsep BIM memudahkan dalam ekstraksi quantity take-off langsung dari model 3D hingga kemudian terintegrasi dalam pengolahan estimasi biaya. Penelitian ini bertujuan untuk mendapatkan estimasi biaya dengan menerapkan konsep BIM 5D. Menggunakan bantuan software PriMus untuk membuat AHSP dan PriMus IFC untuk ekstraksi quantity take-off. Hasil yang didapatkan dari penelitian ini, bahwa dengan menggunakan konsep BIM 5D estimasi biaya yang dihasilkan terdapat selisih sebesar 7% lebih kecil dari anggaran biaya rencana awal. Hal tersebut terjadi dikarenakan perbedaan detail perhitungan volume pada perencanaan awal secara konvensional yang dihasilkan, serta beberapa diantaranya disebabkan karena data dari perencanaan modeling tidak memodelkan semua elemen konstruksi, yang kemudian muncul tanggung jawab berkelanjutan atas masalah tersebut oleh BIM modeler. Implementasi konsep BIM 5D dapat meningkatkan komunikasi, kolaborasi, dan menciptakan komitmen atau tanggung jawab yang berkelanjutan sehingga proses pengambilan keputusan menjadi lebih cepat dan tepat.
PERANCANGAN PROGRAM ANALISIS STRUKTUR PORTAL BIDANG BERBASIS ANTARMUKA PENGGUNA GRAFIS Endryco Candyawan; Richard Frans; Hendry Tanoto Kalangi
Racic : Rab Construction Research Vol 7 No 2 (2022): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v7i2.3005

Abstract

Perhitungan manual dalam analisis struktur terbilang rumit, menghabiskan waktu yang lama, dan rentan terjadi kesalahan dalam proses perhitungan. Meskipun sudah ada program analisis struktur yang canggih, tetapi belum tentu pengguna dapat mempelajari cara penggunaan program tersebut dengan mudah dan cepat. Oleh karena itu, dalam tulisan ini dirancang program analisis struktur untuk portal bidang. Tujuannya yaitu untuk membuat program yang diharapkan dapat user friendly sehingga dapat membuat pengguna lebih mudah dalam mempelajari dan menggunakan program tersebut. Program yang dirancang dalam tulisan ini menggunakan metode matriks kekakuan langsung. Program dibuat mengunakan aplikasi MATLAB R2017a dengan tampilan APG (Antarmuka Pengguna Grafis). Kemudian program diuji melalui dua contoh kasus, di antaranya struktur portal 3 batang dan struktur portal 2 lantai. Selain itu, program telah dibandingkan dengan SAP2000 v14. Dalam program ENDSTRIS ini, beberapa fitur yang dibuat yaitu perhitungan reaksi perletakan, gaya-gaya batang, deformasi (perpindahan dan rotasi), diagram momen, diagram geser, diagram normal dan garis elastisitas. Hasil analisis yang didapatkan dengan menggunakan ENDSTRIS tidak berbeda dengan hasil yang didapatkan dengan menggunakan perhitungan SAP2000 v14.
PEMANFAATAN ABU SERBUK KAYU DAN SEMEN PORTLAND SEBAGAI FILLER PADA CAPURAN ASPHALT CONCRETE -WEARING COURSE DONI RINALDI BASRI; Fitra Ramdhani; Faridhotul Apriliya Wardani
Racic : Rab Construction Research Vol 7 No 2 (2022): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v7i2.3066

Abstract

Waste from wood processing is often found in Pekanbaru City, so it needs to be utilized. This research utilizes sawdust and portland cement as alternative materials to replace filler in the manufacture of Asphalt Concrete-Wearing Course (AC-WC) mixture. The purpose of this study was to determine the characteristics of the Marshall test on the AC-WC layer using a combination of sawdust and Portland cement filler. The method used is laboratory experiments with the initial step of finding the KAO value (Optimum Asphalt Content) with fillers using rock ash. Followed by replacing the filler with a combination of sawdust and portland cement. Variations in the mixture of Portland cement and sawdust, namely 0%-0%, 15%-85%, 25%-75%, 30%-70%, 40%-60%, 50%-50%, and 100% -0%. The specifications used in this study are the 2018 Revision 2 Public Road Specifications. The KOA obtained is 5.5%. Then the Marshall test was carried out on each variation to get the stability value and the mixed density value. Marshall test results with the best filler variations in this study were 60% sawdust and 40% portland cement. It can be seen that based on the stability value of the composition, the highest stability value was 1,278.64 kg, the MQ value was 491.78 kg/mm ​​and the melting value was 2.60 mm so it was concluded that the best AC-WC quality in this study found filler variations. 40% portland cement and 60% sawdust.
EVALUASI PERILAKU DEFORMASI VERTIKAL BENDUNGAN SERMO BERDASARKAN DATA INSTRUMENTASI GEOTEKNIK Rizka Sartika Hutami; Hari Nugroho; Sutarto Edhisono
Racic : Rab Construction Research Vol 8 No 1 (2023): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v8i1.2813

Abstract

The vertical deformation of the dam is one of the important parameters to be evaluated both during the construction and post-construction periods. Abnormal deformation behavior can cause various problems that threaten the safety of the dam. Evaluation is very important to do, especially on the Sermo Dam which has been loaded for more than 25 years to knows its behavior. Identification of abnormal behavior is done by evaluating the results of the vertical deformation analysis based on the instrumentation reading data against the acceptance criteria. In the construction, the vertical strain value compared with the depth below crest value resulted in abnormal behavior. However, evaluation of the settlement that occurs results in normal behavior. In the post-construction, evaluation with Sherard (1965) and ICOLD (1993) criteria resulted in abnormal conditions at certain elevations. However, evaluation based on the settlement index and acceptance criteria of Sowers (1965) and Hunter and Fell (2003) resulted in normal conditions.
PENINGKATAN KINERJA WADUK KEDUNGOMBO DENGAN MENGEMBALIKAN KAPASITAS TAMPUNGANNYA bramantyo herawanto; Suripin Suripin; Dyah Ari Wulandari
Racic : Rab Construction Research Vol 8 No 1 (2023): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v8i1.2817

Abstract

In every reservoir plan, the volume of dead storage provided is always taken into account to accommodate sediment entering the reservoir during the service life of the reservoir. Several studies on reservoir sedimentation show that 70% of reservoirs have sedimentation problems so the effective life of the reservoir will end before the design life is reached. The rate of sediment entering the reservoir will settle in the dead reservoir and the effective reservoir which will affect the performance of the reservoir. Therefore, it is necessary to take measures to improve the performance of the reservoir, one way is to restore its effective reservoir. Based on the results of bathymetry measurements of the Kedungombo Reservoir from 1989 to 2017, the sediment rate was 1.954 million m3/year. From the analysis of sediment distribution, the dead reservoir of the Kedungombo Reservoir at an elevation of +65.00 will be filled in 2089. The effective reservoir in 2089 at a normal water level of +90.00 of 527.71 million m3 has decreased by 106.89 million m3 from the initial effective reservoir is 634.6 million m3. To improve reservoir performance by restoring its effective reservoir, the Kedungombo Reservoir requires an elevation of the overflow or normal water level as high as 2.26 m with an inundation area of ​​48.72 million m2. Keywords: Sediment Distribution, Storage Capacity, Reservoir Performance, Kedungombo Reservoir

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