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<![CDATA[EVALUASI KINERJA KERUSAKAN JALAN MENGGUNAKAN METODE BINA MARGA ]]>
<![CDATA[Kiradi Kiradi]]>;
<![CDATA[Muhammad Idham]]>
<![CDATA[ Racic : Rab Construction Research Vol 9 No 1 (2024): JUNI ]]>
Publisher : <![CDATA[LPPM Universitas Abdurrab ]]>
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DOI: 10.36341/racic.v9i1.3806
<![CDATA[Roads are the main access for the people of the city of Dumai to carry out transportation activities in life, so that the presence of roads can increase the economy and social activities for the people, especially the people of the city of Dumia. The performance of the Cut Nyak Dien road is greatly influenced by the condition of the road surface, many of the Cut Nyak Dien roads experience damage before reaching the planned age. Therefore, this research can identify the damage to the Cut Nyak Dien road in the city of Dumai, Purnama sub-district using the Bina Marga method through the calculation of the Surface Distress Index (SDI). From the results of the study, it was shown that the road damage found on Jalan Cut Nyak Dien deer were cracks, holes, patches and settlements, so the results of the calculation of the Surface Distress Index (SDI) showed that on Jalan Cut Nyak Dien an average value of 10 belonged to routine maintenance. on that road. Keywords: Road Damage, Bina Marga, RCS, RCI, SDI]]>
<![CDATA[ASESMEN RISIKO BENCANA TERHADAP TEBING SUNGAI WINONGO ]]>
<![CDATA[Puji Harsanto]]>;
<![CDATA[Nazrey Rahario Nugroho]]>;
<![CDATA[Restu Faizah]]>;
<![CDATA[Nursetiawan Nursetiawan]]>
<![CDATA[ Racic : Rab Construction Research Vol 9 No 1 (2024): JUNI ]]>
Publisher : <![CDATA[LPPM Universitas Abdurrab ]]>
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DOI: 10.36341/racic.v9i1.3811
<![CDATA[The Winongo River originates in the Opak River and has many potential hazards such as flooding, cold lava floods and riverbank landslides, so a disaster risk analysis is necessary. The research area is located in the headwaters of the river which passes through the villages of Sendangadi, Sinduadi, Trihango, Bener, Tegalrejo and Pakuncen. The method used is semi-quantitative and qualitative, using tabular data and numerical assessment of land use, population and river hydrology. With the AHP (Analytical Hierarchy Process) method which determines the best choice from several supporting data. The method of determining disaster risk by weighting follows the Regulation of the Director General of BNPB Year 2012. A disaster risk assessment using the AHP method obtained a score of 1.1 in Sendangadi Village, 1.6 in Sinduadi Village. Trihanggo has a value of 1.1, Bener has a value of 1.3, Tegalrejo has a value of 1.4, and Pakuncen has a value of 1.5. Sendangadi and Trihango villages have the lowest risk level with the same value of 1.1. From the results of the disaster risk analysis it has been found that in all sub-districts that are flowed by the upstream Winongo River, they have a low level of risk.]]>
<![CDATA[ANALISA KERUSAKAN PERMUKAAAN JALAN PADA PERKERASAN LENTUR MENGGUNAKAN METODE PAVEMENT CONDITION INDEX (PCI) DAN BINA MARGA 1990 (Studi Kasus : Ruas Jalan Teluk Mesjid – Simpang Pusako) ]]>
<![CDATA[Lizar Lizar]]>;
<![CDATA[Mutasawiah Mutasawiah]]>
<![CDATA[ Racic : Rab Construction Research Vol 9 No 1 (2024): JUNI ]]>
Publisher : <![CDATA[LPPM Universitas Abdurrab ]]>
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DOI: 10.36341/racic.v9i1.3815
<![CDATA[The teluk mesjid - simpang pusako road section is a cross-province road which is the closest access to the city of Pekanbaru or the Buton crossing port for the Siak and surrounding communities so it is important to maintain road quality performance to stay in good condition. This study aims to determine the condition value on the teluk mesjid - simpang pusako road section so that it can determine the type of road maintenance program. The method used is the Pavement Condition Index (PCI) method and Bina Marga 1990. The average road condition value on the Teluk Mesjid - Simpang Pusako STA (00+000 - 09+400) road section is 83.78. Based on the PCI method, the rating scale from 71 to 85 is included in the Satisfactory rating. The Priority Order Value on the Teluk Mesjid Road Section - Simpang Pusako STA (00+000 - 09+400) is 12.34. Based on Bina Marga 1990 for priority order values > 7 including the category of Routine Maintenance programs. The results of research conducted on the Teluk Mesjid - Simpang Pusako road section are included in the routine maintenance program, the type of handling of damage that occurs is by patching using Cold Mix.]]>
<![CDATA[PERANCANGAN APLIKASI PERHITUNGAN KUAT NOMINAL KOLOM BETON BERTULANG BERBASIS APLIKASI ANDROID ]]>
<![CDATA[Ivana Madeline Diamanta]]>;
<![CDATA[Richard Frans]]>;
<![CDATA[Hendry Tanoto Kalangi]]>
<![CDATA[ Racic : Rab Construction Research Vol 9 No 1 (2024): JUNI ]]>
Publisher : <![CDATA[LPPM Universitas Abdurrab ]]>
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DOI: 10.36341/racic.v9i1.3865
<![CDATA[Nowadays, the use of applications which is to analyze or to design in civil engineering are necessary. Besides being able to solve the analysis and design problem, the use of applications is an effective for computational time problems compared to manual calculations. Column is one of the most crucial elements in a building construction where the role of the column is to support and distribute the loads on the building structure. In general, in designing a column, column interaction diagram with a certain cross section is made and compare the capacity of the column sections (Pn and Mn) from the column interaction diagram with the required strength values (Pu and Mu). Android is an operating system on smartphones and is popular nowadays. The aim of this research is to develop an Android-based application using Android Studio with Java programming language to create a column interaction diagram of several types of columns, i.e. square column with 4 (four) side reinforcement, square column with reinforcement on 2 (two) sides, and circular columns. The results obtained from the developed application are compared with manual calculations (reference). The difference of result obtained is less than 1% which means that there is no significant comparison between the designed application and manual calculations (reference). Therefore, the developed application can be practically used as an alternative in designing columns.]]>
<![CDATA[PENGARUH PENGURANGAN AIR PADA BEBERAPA MUTU BETON YANG MENGGUNAKAN POLINEX HE ]]>
<![CDATA[Indriyani Puluhulawa]]>;
<![CDATA[Alamsyah Alamsyah]]>;
<![CDATA[Poltak Leonardo Sitinjak]]>;
<![CDATA[Marganta P. R. Lubis]]>
<![CDATA[ Racic : Rab Construction Research Vol 9 No 1 (2024): JUNI ]]>
Publisher : <![CDATA[LPPM Universitas Abdurrab ]]>
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DOI: 10.36341/racic.v9i1.4065
<![CDATA[Beton yang ditambahkan Polinex HE memiliki nilai slump yang dua kali lebih besar dari beton tanpa Polinex HE. Hal ini dapat menyebabkan terjadinya segregasi pada saat pengecoran, Untuk itu coba dilakukan penelitian dengan mengurangi jumlah air pada beton yang menggunakan Polinex HE. Tujuan penelitian ini adalah untuk menyelidiki bagaimana pengaruh pengurangan air terhadap nilai slump, berat isi beton dan mutu beton. Sebanyak 72 sampel silinder beton diameter 10cm dan tinggi 20 cm dibuat untuk beton K-250 dan beton K-350. Variasi pengurangan air mulai dari 5-20% dari berat air, dengan menggunakan Polinex HE sebanyak 1% dari berat semen. Pengujian yang dilakukan adalah pengujian slump, berat isi beton dan kuat tekan beton pada umur 3 hari dan 28 hari. Hasilnya, diperoleh nilai slump yang masih lebih besar dibandingkan dengan nilai slump beton tanpa Polinex HE. Terjadi pengurangan berat isi beton seiring dengan pengurangan jumlah air pada beton. Untuk beton K-250 kuat tekan beton maksimal terjadi pada variasi pengurangan air 5% dan untuk beton K-350 kuat tekan beton maksimal terjadi pada variasi pengurangan air 20%.]]>
<![CDATA[ANALISIS RISIKO KERJA PADA PROYEK PEMBANGUNAN BANDARA ]]>
<![CDATA[Stephanie Almeyda]]>;
<![CDATA[I Nyoman Dita Pahang Putra]]>
<![CDATA[ Racic : Rab Construction Research Vol 9 No 1 (2024): JUNI ]]>
Publisher : <![CDATA[LPPM Universitas Abdurrab ]]>
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DOI: 10.36341/racic.v9i1.4071
<![CDATA[Risiko merupakan suatu peristiwa yang mengakibatkan kerugian baik secara fisik maupun materi. Perusahaan yang terlibat dalam suatu pembangunan proyek harus menerapkan program keselamatan dan kesehatan kerja. Meskipun tidak dapat dipungkiri bila masih terjadi beberapa kecelakaan kerja yang disebabkan oleh berbagai faktor, sehingga penelitian ini bertujuan untuk menganalisis risiko kecelakaan kerja pada proyek. Analisis risiko pada penelitian ini dilakukan dengan menggunakan dua metode. Pada metode pertama perlu dilakukan identifikasi jenis kecelakaan kerja menggunakan metode Hazard Identification and Risk Assessment (HIRA) dimulai dengan survei berupa penyebaran kuesioner kepada responden untuk mengetahui nilai serevity (tingkat keparahan) dan probability (kemungkinan) bagi masing - masing variabel agar diketahui risiko terbesar. Setelah diidentifikasi didapat 6 variabel risiko besar dan salah satu diantaranya yaitu pada aktivitas mobilisasi/demobilisasi alat berat dan kendaraan material yang diidentifikasi memiliki bahaya pembebanan struktur dengan kecelakaan kerja yang paling buruk ialah dump truck terperosok saat melintasi struktur yang tidak dapat menahan beban. Setelah ditemukan bahaya dengan risiko terbesar kemudian dicari faktor penyebab risiko tersebut menggunakan metode kedua yaitu, Fault Tree Analysis (FTA) dimana risiko tersebut disebabkan oleh 3 faktor yaitu faktor manusia, faktor manajemen, dan faktor lingkungan. Ditemukan 11 penyebab dasar dengan kombinasi minimal cut set menghasilkan 7 kombinasi penyebab dasar (basic event). Kata Kunci: Analisis Risiko, Hazard Identification and Risk Assessment, Fault Tree Analysis]]>
<![CDATA[NUMERICAL MODELING OF COASTAL TIDES AND CURRENT PATTERN AT NORTHERN PEAT COAST OF BENGKALIS ISLAND ]]>
<![CDATA[Daly Riandi]]>;
<![CDATA[Sigit Sutikno]]>;
<![CDATA[Muhamad Yusa]]>
<![CDATA[ Racic : Rab Construction Research Vol 9 No 1 (2024): JUNI ]]>
Publisher : <![CDATA[LPPM Universitas Abdurrab ]]>
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DOI: 10.36341/racic.v9i1.4109
<![CDATA[Riau Province experiences a loss of coastline every year due to erosion. The northern coast of Bengkalis Island is prone to coastal setback. Apart from land collapse, erosion is also caused by the flow of water along the coast. To be able to carry out good disaster management, accurate coastal hydrodynamic modelling is important. Some important components of hydrodynamics are tidal characteristics and current patterns. These important components are identified using numerical models. Manning parameter calibration is used to improve the model's accuracy. The tidal characteristic obtained was mixed, predominantly semidiurnal. Meanwhile, the pattern of tidal currents is known from the direction of movement. At spring tide, water moves towards the south and southwest with an average speed of 0.210 m/s and at neap tide, it moves towards the northeast with an average speed of -0.232 m/s.]]>
<![CDATA[ANALISIS SAFETY FACTOR LERENG DENGAN PERKUATAN CORRUGATED CONCRETE SHEET PILE BOZEM KALIDAMI SURABAYA ]]>
<![CDATA[Indra Wahyu Utomo]]>;
<![CDATA[Laily Endah Fatmawati]]>
<![CDATA[ Racic : Rab Construction Research Vol 9 No 1 (2024): JUNI ]]>
Publisher : <![CDATA[LPPM Universitas Abdurrab ]]>
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DOI: 10.36341/racic.v9i1.4123
<![CDATA[In the field of geotechnical engineering, one of the most common causes of landslides is an increase in shear stress in the soil or a decrease in the shear strength of the soil mass so that it cannot withstand the applied load. Analysis of the slopes of Bozem Kalidami Surabaya was carried out to determine the safety figures for slopes reinforced with sheet pile retaining walls based on data obtained from boring tests. The sheet pile used is CCSP Type W-600 class B 19 meters long. Analysis of safety figures is carried out in two ways, namely manual calculation using the Fellinius method and the Plaxis v.8.2 program which aims to compare the results. Analyzed using manual calculations using the Fellenius method, the security value was 1.634. Meanwhile, for the results of the Plaxis v.8.2 program, the security value was 1.891. Because the calculation results obtained from both methods are >1.5, it can be concluded that the stability of the Bozem Kalidami Surabaya slope with CCSP Type W-600 class B reinforcement with a length of 19 meters is safety.]]>
<![CDATA[OPTIMALISASI PENGGUNAAN SUPERPLASTICIZER MASTERGLENIUM ACE 8595 DALAM IMPLEMENTASI PEKERJAAN BETON ]]>
<![CDATA[Mahendra Septa Kuswiantoro]]>;
<![CDATA[Zendy Bima Mahardana]]>;
<![CDATA[Ma’rifatul Mumayyizah]]>;
<![CDATA[Alfina Iskindaria]]>;
<![CDATA[Rifqi Sahrul Nurhuda]]>;
<![CDATA[Farikhatul Mufaidah]]>;
<![CDATA[Moch Risjad Aldiansyah]]>
<![CDATA[ Racic : Rab Construction Research Vol 9 No 1 (2024): JUNI ]]>
Publisher : <![CDATA[LPPM Universitas Abdurrab ]]>
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DOI: 10.36341/racic.v9i1.4128
<![CDATA[Kemajuan teknologi dalam dunia konstruksi semakin berkembang pesat termasuk perkembangan material dan metode konstruksi. Penggunaan bahan aditif superplasticizer dalam pembuatan beton dapat meningkatkan kuat tekan dan viskositas dalam mencapai workability pekerjaan cor beton. Namun diperlukan optimalisasi proporsi penggunaan bahan aditif superplasticizer untuk mencapai workability terbaik. Penelitian ini bertujuan untuk mengetahui workability terbaik pada penggunaan admixture superplasticizer campuran beton. Bahan aditif yang digunakan adalah MasterGlenium ACE 8595 dengan prosentase penggunaan sejumlah 0,25%, 0,28%, 0,31%, dan 0,34%. Hasil Penelitian mengungkapkan bahwa workability terbaik diperoleh pada penambahan admixture sebesar 0,31% dari berat semen dengan nilai slump sebesar 14 cm dan nilai kuat tekan 17,35 Mpa yang mengindikasikan beton cocok digunakan pada elemen non-struktural seperti beton siklop, trotoar dan pasangan batu kosong. Melalui hasil tersebut diharapkan dapat digunakan sebagai acuan untuk mencari workability terbaik dari penggunaan superplasticizer MasterGlenium ACE 8595 terhadap implementasi konstruksi yang sesuai]]>
<![CDATA[ANALISIS PARAMETRIK ALTERNATIF FONDASI PADA DAERAH TANAH LUNAK (STUDI KASUS: KANTOR BUPATI KAB. ROKAN HILIR, RIAU) ]]>
<![CDATA[Alfi Fadillah]]>;
<![CDATA[Budi Susilo Soepandji]]>
<![CDATA[ Racic : Rab Construction Research Vol 9 No 1 (2024): JUNI ]]>
Publisher : <![CDATA[LPPM Universitas Abdurrab ]]>
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DOI: 10.36341/racic.v9i1.4130
<![CDATA[Fondasi adalah suatu bagian dari sistem rekayasa yang bekerja dengan cara meneruskan beban yang ditopangnya dan beratnya sendiri kedalam tanah atau batuan yang terletak dibawahnya. Pada penelitian ini penulis merencanakan membandingkan pondasi bored pile yang sudah di terapkan dibangunan tersebut dengan alternatif pondasi lain yaitu fondasi tiang pancang 1 dengan dalam 38meter dengan diamater 0.8 meter, Serta tiang pancang 2 dengan dalam 38meter dengan diameter 1meter dari sisi kapasitas daya dukung dan besaran terjadi penurunan. Kemudian dilakukanlah perhitungan daya dukung pondasi dengan metode Meyerhof (1976), McClelland (1974), Skempton (1966), dan Reese & O'neill (1999). Penurunan tiang tunggal dengan metode Vesic (1977) dan Poulos & Davis (1980) serta menggunakan program Plaxis v.20. Selanjutnya dari hasil perhitungan dibandingkan antara fodasi bored pile dengan tiang pancang model 1 dan 2. Didapat bahwa fondasi bored pile dan fondasi tiang pancang 1 tidak memenuhi batas izin penurunan fondasi hanya fondasi tiang pancang 2 yang memenuhi batas tersebut yakni penurunan lebih kecil dari 10% diameter fondasi.]]>
