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Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil
Published by Universitas Ibn Khaldun Bogor
ISSN : 35132615     EISSN : 2655934X     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Engineering Transportation
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil adalah jurnal yang mempublikasikan hasil-hasil penelitian, ulasan ilmiah, teori dan aplikasi serta informasi lain di bidang ilmu pengetahuan, teknologi, dan sains (IPTekS), terutama teknik sipil, lingkungan, dan perencanaan wilayah-kota.Jurnal Komposit terbit dua kali dalam setahun. Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil is a journal that publishes research results, scientific reviews, theory and applications as well as other information in the fields of science, technology and science (IPTekS), especially civil engineering, environment, and urban planning. Jurnal komposit issued biannually. Articles to be published in the Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil are compiled from articles prepared by the author(s) and sent to the editorial board of Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Departement of Civil Engineering, Faculty of Engineering and Science, Universitas Ibn Khaldun Bogor. Articles should be written in English or Bahasa Indonesia. Research scope in general is civil engineering and environmental engineering study.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 20 Documents
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Search results for , issue "Vol. 7 No. 2 (2023)" : 20 Documents clear
Perencanaan Tebal Perkerasan Kaku pada Ruas Jalan Lingkar Laladon, Kabupaten Bogor Al Bahry, Syah Razad Lutfhy; Rulhendri, Rulhendri; Chayati, Nurul; Lutfi, Muhamad
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 2 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i2.8041

Abstract

ABSTRAK: Jalan merupakan prasarana transportasi darat paling banyak digunakan oleh masyarakat dalam melakukan mobilitasnya. Jalan Dramaga merupakan jalan di Kabupaten Bogor yang mempunyai tingkat kepadatan lalu lintas yang tinggi, telah dilakukan pengembangan ruas jalan pada tahun 2018 yang menghubungkan jalan Dramaga dan jalan Ciomas dalam rangka mengurangi kemacetan. Namun ruas jalan alternatif tersebut pada saat ini mengalami kerusakan, jalan alternatif yang mengalami kerusakan adalah ruas jalan Lingkar Laladon. Kerusakan di akibatkan tidak terpeliharanya lingkungan sekitar dan buruknya saluran drainase. Telah dilakukan beberapa kali penanganan dalam perbaikan kerusakan tersebut, namun hasilnya tidak sampai bertahan lama dan rusak Kembali. Oleh karena itu perlu adanya suatu penanganan yang tepat yakni dengan meningkatkan jalan menjadi perkerasan kaku (Rigid Pavement) yang dapat bertahan lama dan melakukan analisis geometric jalan dalam meningkatkan arus lalu lintas. Dalam penelitian ini dihasilkan tebal perkerasan sebesar 20 cm dari hasil perhitungan menggunakan metode AASHTO 1993, dengan tulangan memanjang dan melintang D12-300, dengan sambungan melintang menggunakan dowel yang digunakan diameter 12 dengan Panjang 450mm dan dari hasil analisis geometrik didapatkan 2 tikungan dengan menggunakan jenis full circle yaitu tikungan PI-1 dengan panjang lengkung tikungan sebesar 198,34m, tikungan PI-2 dengan panjang lengkung tikungan sebesar 139,64m. Kata kunci: Perkerasan kaku (Rigid Pavement), geometric jalan, tebal perkerasan  ABSTRACT Roads are the most widely used land transportation infrastructure by the community in carrying out their mobility. Dramaga Street is a road in Bogor Regency which has a high level of traffic density, a road segment has been developed in 2018 that connects Dramaga road and Ciomas road in order to reduce congestion. However, the alternative road is currently damaged, the alternative road that is damaged is the Laladon Ring Road. The damage is caused by the non-maintenance of the surrounding environment and poor drainage channels. Several treatments have been carried out to repair the damage, but the results did not last long and were damaged again. Therefore, it is necessary to have an appropriate treatment, namely by increasing the road into a rigid pavement that can last a long time and conducting a geometric analysis of the road in increasing traffic flow. In this study, a pavement thickness of 20 cm was obtained from the results of calculations using the 1993 AASHTO method, with longitudinal and transverse reinforcement D12-300, with transverse joints using dowels with a diameter of 12 with a length of 450mm and from the results of geometric analysis obtained 2 bends using the full type. circle, namely the PI-1 bend with a bend length of 198.34m, the PI-2 bend with a bend length of 139.64m. Key word: Rigid Pavement, geometric road, pavement thickness
Efektifitas Pita Penggaduh (Rumble Strips) dalam Mereduksi Kecepatan pada Ruas Jalan Siliwangi di Kota Bogor Ahyani, Zaenudin; Rulhendri, Rulhendri; Alimuddin, Alimuddin; Chayati, Nurul
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 2 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i2.8048

Abstract

Pita penggaduh (rumble strip) merupakan bagian dari rekayasa lalu lintas yang berfungsi untuk memberikan peringatan bagi pengendara, dimana lokasi penelitian berada di kawasan kuliner, sekolah maupun pelayanan publik. Dalam penelitian ini dilaksanakan untuk menentukan kecepatan kendaraan saat melintasi pita penggaduh (rumble strip) pada ruas jalan Siliwangi, Kota Bogor. Data kecepatan diperoleh dengan mencatat waktu yang dibutuhkan oleh setiap jenis kendaraan dalam melewati jarak tertentu yang sudah ditentukan, kemudian jarak tempuh kendaraan tersebut dibagi dengan waktu tempuh kendaraan pada saat melewati pita penggaduh (rumble strip) dan setelah melewati pita penggaduh (rumble strip). Kecepatan rata-rata kendaraan ringan sebelum pita penggaduh (rumble strip) adalah 20 km/jam dan setelah pita penggaduh 14 km/jam, untuk kecepatan kendaraan berat sebelum pita penggaduh (rumble strip) adalah 19 km/jam dan setelah pita penggaduh (rumble strip) 15 km/jam, dan untuk kecepatan sepeda motor sebelum pita penggaduh adalah 25 km/jam dan setelah pita penggaduh adalah 16 km/jam. Dengan demikian, pengaruh pita penggaduh dalam mereduksi kecepatan lalu lintas pada ruas Jalan Siliwangi di Kota Bogor bagi kendaraan ringan adalah sebesar 34%, untuk kecepatan kendaraan berat 18% dan untuk kendaraan motor 39%.
Analisis Stabilitas Dinding Penahan Tanah Saluran Irigasi Situ Bala, Desa Purwasari, Kecamatan Dramaga, Kabupaten Bogor Assiddiqy, Mohammad Hasby; Syaiful, Syaiful; Alimuddin, Alimuddin; Muktadir, Redho; Taqwa, Fadhila Muhammad Libasut
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 2 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i2.8295

Abstract

ABSTRAKDinding penahan tanah adalah suatu struktur yang dibangun untuk menahan tanah lateral ketika tanah mengalami perubahan dalam elevasi, dan melampaui sudut geser dalam tanah. Dinding pengaman tebingan yang terletak tepat di Situ Bala, Desa Purwasari, Kecamatan Dramaga telah mengalami kerusakan pada bagian dasar strukturnya terutama pada bagian yang terkena sistem irigasi sehingga perlu dilakukan perbaikan terhadap dinding penahan tanah eksisting. Tujuan penelitian ini adalah untuk menganalisis kondisi lereng akibat tergerus oleh aliran udara yang mengakibatkan terjadinya longsor, merencanakan dinding penahan tanah agar memiliki faktor keamanan yang cukup, dan menghitung kapasitas daya dukung tanah. Metode yang digunakan dalam penelitian ini adalah Metode Rankine .Hasil analisis menunjukkan perlindungan terhadap guling Fs= 0.86 < 1,5 (tidak aman terhadap geser Fs = 2.5119 > 1,5 (aman), dan analisis ketahanan daya dukung tanah qtoe = 12419.5895 < Qall= 4139.8631 (aman) dan qhell = 31.4263 (aman).  Kata kunci: Stabilitas, dinding penahan tanah , Metode Rankine ABSTRAKA retaining wall is a structure constructed to resist lateral soil when the soil undergoes a change in elevation and exceeds the angle of shear in the soil. The cliff safety wall which is located right at Situ Bala, Purwasari Village, Dramaga District, has suffered damage to the basic part of the structure, especially the part affected by the irrigation canal so that it is necessary to repair the existing retaining wall. The purpose of this study was to analyze the condition of the slope, where the air flow above it eroded which resulted in landslides changing the channel so that it was necessary to redesign the existing retaining wall, plan the retaining wall to be safe against shear conditions, overturning, and the carrying capacity of the soil. The method used in this study is the Rankine Method. The results of the analysis show resistance to overturning Fs= 0.86 < 1.5 (unsafe against shear Fs = 2.5119 > 1.5 (safe), and soil bearing capacity analysis qtoe = 12419.5895 < Qall= 4139.8631 (safe) and qhell = 31.4263 ( safe). Kata kunci: Stabilitas, dinding penahan tanah, Metode Rankine
Studi Penataan Kawasan Simpang Ciawi sebagai Simpul Transportasi Ashab, Muhammad Mauludhy; Murtejo, Tedy; Alimuddin, Alimuddin; Sudrajat, Endang
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 2 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i2.8391

Abstract

Abstract: In 2016 Bogor City was named the city with the 2nd worst traffic in the world by the Waze version. One of the worst congestion points in the Puncak Bogor area is the Ciawi Intersection which is located in Harjasari, Bogor Selatan District, Bogor City. The purpose of this study was to determine and analyze the performance of the road sections and intersection performance, to identify and analyze the location of the transportation nodes, and to analyze the land use allocation at the Ciawi intersection. The method used in this study is collecting primary data such as traffic volume, traffic speed, and traffic capacity, through a traffic survey followed by data processing using the MKJI 1997 technical guidelines. Based on the analysis results, there are 2 roads with service level C: the Jagorawi toll road section and the Gadog st., and 2 roads with a service level F: Tajur st., and Cibadak st. As for the level of intersection service, there are 3 roads with an F value: Jagorawi toll road, Cibadak st., and Gadog Puncak st. with successive delays of 156.64 seconds, 282.15 seconds and 243.01 seconds. Tajur st. intersection received a service level score of B’s, with a delay of 6.90 seconds. The planned location of the transportation node at the Ciawi intersection is located at coordinates 6o39'20.89” S; 106o50'49.76” E. The land use allocation in the Simpang Ciawi area is in accordance with the structure and pattern of spatial use based on the Bogor City and Bogor Regency development plans, both related to the planning of transportation nodes in the area and the current use of the land.
Pemanfaatan Limbah Cair Terolah untuk Penyiraman dan Flushing Toilet (Studi Kasus: Rumah Sakit X, Kota Batu, Jawa Timur) Asmawati, Asmawati; Murti, Restu Hikmah Ayu; Purnama, Elanda Rienalda; Isnaini, A'qotrunnada Khalisah
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 2 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i2.8842

Abstract

Rumah sakit menghasilkan limbah cair yang berpotensi dapat mencemari lingkungan. Rumah sakit perlu memiliki instalasi pengolahan air limbah (IPAL) untuk mengolah air limbah agar effluent yang dihasilkan memenuhi baku mutu sehingga aman dibuang ke badan air. Rumah Sakit X Kota Batu merupakan salah satu kegiatan pelayanan kesehatan dimana selama kegiatan beroperasi akan berpotensi menghasilkan limbah berupa air limbah medis dan non medis atau limbah domestik. Rumah Sakit X telah memiliki 2 (dua) IPAL. IPAL Gedung Timur difungsikan untuk mengolah air limbah dari kegiatan yang berada di Gedung Timur dengan kapasitas sebesar 50 m3/hari, sedangkan IPAL Gedung Barat difungsikan untuk mengolah air limbah dari kegiatan di Gedung Barat dengan kapasitas sebesar 150 m3/hari. Effluent air limbah Rumah Sakit X Kota Batu telah memenuhi baku mutu, sehingga tidak mencemari lingkungan disekitar lokasi kegiatan. Air limbah terolah Rumah Sakit X Kota Batu dimanfaatkan untuk penyiraman dan flushing toilet. Penyiraman pada ruang terbuka hijau (RTH) di area Rumah Sakit X Kota Batu pada Gedung Timur seluas 9.246 m2 dan 11.051,5 m2 di Gedung Barat. Sedangkan Pemanfaatan untuk flushing toilet akan disalurkan dalam wc/toilet masing-masing di Gedung Timur dan Gedung Barat.
Pengaruh Perkuatan Kolom Pasir terhadap Kekuatan Tanah Lempung Hernina, Nor Hazriatun; Handayani, Noviyanthy; Saputra, Norseta Ajie
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 2 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i2.9127

Abstract

Tanah lempung Kota Palangka Raya mempunyai kemampuan yang sangat rendah untuk mendukung beban. Berdasarkan hal itu maka perlu dilakukan perkuatan tanah (soil reinforcement) dengan memberikan material sisipan ke dalam lapisan tanah tersebut. Penelitian ini dilakukan dengan menggunakan perkuatan kolom pasir (sand column). Model perkuatan ini adalah memasukkan pasir padat ke dalam lubang pada tanah lempung pada diameter tertentu. Penelitian ini dengan melakukan permodelan kolom pasir dengan diameter  yang bervariasi yaitu dia. 1cm, dia. 1,5cm dan dia. 2cm. Adapun pasir yang digunakan adalah pasir Palangka Raya, yang mana pasir tersebut merupakan pasir yang sering digunakan untuk pembangunan di Palangka Raya. Penelitian ini meliputi pengujian sifat tanah asli dan pengujian mekanis seperti Kuat Geser Langsung (Direct Shear Test) dan Kuat Tekan Bebas (Unconfined Compresion Test) melakukan perbandingan sebelum dan sesudah dilakukan perkuatan kolom pasir. Berdasarkan hasil pengujian Kuat Geser Langsung, sesudah dilakukan perkuatan kolom pasir, sudut geser (φ) mengalami peningkatan  dan pada nilai kohesi (c) mengalami penurunan. Nilai kuat geser tertinggi pada dia. 2cm sebesar 0,141 kg/cm² dan kuat geser terendah pada dia. 1,5 cm sebesar 0,132 kg/cm². Hasil Kuat Tekan Bebas (Unconfined Compresion Test) pengujian A dan B menunjukkan nilai kuat tekan bebas (qu) tertinggi pada diameter (í˜) 1,5 cm sebesar 1,89 kg/cm2 dan nilai kuat tekan bebas (qu) terendah pada dia. 2cm sebesar 0,95 kg/cm2. Hal ini menunjukkan bahwa tanah dengan kolom pasir pada dia.1,5 cm lebih efektif dalam meningkatkan kuat tekan bebas (qu).   Kata Kunci : tanah lempung, kolom pasir, kekuatan tanah.
Perancangan Instalasi Pengolahan Air Limbah (IPAL) Komunal di Perumahan Green Hills Recidence, Cilacap Utara, Cilacap Rahmanda, Isyel Kayla; Nuranggraeni, Meita; Stevila, Mumpuni Lutfi; Hidayat, Ridho
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 2 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i2.9131

Abstract

Abstract: The increase in population greatly affects the decrease in the carrying capacity of the environment. This is because the population makes a significant contribution to waste generation. Most of the municipal sewage treatment plants are built with a combination of anaerobic-aerobic systems. This study aims to determine the debit for the type of gray water and type of black water, determine the pipe requirements to be used, to design a Communal WWTP design in the research location. The location where the Communal WWTP design will be carried out is Green Hills Residence, Tritih Lor, Kec. Jeruklegi, Cilacap Regency, Central Java. The area of the land area is around 1.5 hectares with a total of 39 houses. In the process of making planning the design of the Communal WWTP that is determined is the projection of population growth in the next 10 years, gray water waste discharge, black water waste discharge, piping calculations, and the dimensions of the tanks in the Communal WWTP. The debit for gray water is 96 liters/day/person and black water is 22.5 liters/day/person. The pipe requirements for one housing include 320 m of fecal pipes, 120 m of domestic pipes, 160 m of tertiary pipes for feces, and 60 m of tertiary pipes for domestic. The design of the Communal WWTP in the research location is designed to consist of two, namely for Gray Water and Black Water
Studi Perbandingan Daya Dukung Aksial Tiang Pancang Tunggal Persegi Berdasarkan Hasil Uji Pembebanan Statik (SLT) dan Uji PDA pada Pembangunan Apartemen Loftville City Kota Tangerang Selatan Taqwa, Fadhila Muhammad Libasut; Muktadir, Redho; Hariati, Feril; Lutfi, Muhamad; Apriliyandi, Ande
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 2 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i2.9176

Abstract

Abstract: The deep foundation is one of the most important elements in the construction of high-rise buildings because the weight of the building will be fully borne by the foundation. This study aims to provide an overview of the prediction of the axial bearing capacity of single piles through a mathematical approach based on the results of the tests performed. The design axial bearing capacity is estimated through analysis of soil investigation results (N-SPT test results, DCPT test results, and laboratory investigation results), while the actual axial bearing capacity is obtained through interpretation of the Static Loading Test (SLT) results using the Davisson, Chin, and Mazurkiewicz, and the results of the PDA (Pile Driving Analyzer) load test were analyzed using the CAP-WAP application. The analysis was carried out on single piles with dimensions of 40x40 cm2, located in the Loftville City Apartment development project, South Tangerang City. Based on the results of the analysis that has been carried out, the planned axial bearing capacity is 131.3 tons, while the average carrying capacity based on the results of SLT interpretation on three tested piles using the Davisson, Mazurkiewicz, and Chin methods are 161.7; 205.4; and 98.8 tonnes. The results of the analysis are compared to the results of the PDA test, which shows a bearing capacity value of 290.1 tons, so the BCR values are 65.70% and 45.26% respectively. The BCR value is based on the results of the interpretation of the SLT test successively -respectively by 55.73%, 70.78%, and 34.06%. The BCR value which is not close to 100% may occur due to an error in determining the planned carrying capacity of 131 tons which is far below the actual carrying capacity value based on the PDA test results. The design carrying capacity value is then corrected to 100 tonnes and used as the 100% design load in the static load test so that the interpretation results also show BCR results that are not very accurate.
Analisis Kekuatan AC-WC Bahan Fly Ash Batu Bara sebagai Pengganti Abu Batu dengan Metode Marshall Nurdin, Ade; Erlangga, Erlangga; Nuklirullah, M.
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 2 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i2.9190

Abstract

Abstract: The layers contained in flexible pavement, one of which is the Asphalt Concrete-Wearing Course (AC-WC) layer, is a layer that is quickly damaged compared to other layers, because this layer is located at the top and is directly related to environmental conditions and vehicle wheel loads. One of the efforts that can be made to increase the strength of the road pavement structure in the AC-WC layer is by utilizing waste material from burning coal as a substitute for stone ash. The material used is fly ash mixed with successive levels namely (0: 100), (25:75), (50:50), (75:25) and (100:0). The optimum asphalt content (OAC) used was 5.78%. Based on the results of the physical characteristic test using the Marshall test, the fly ash material to be used meets the required specifications. As it is affected by aggregate gradation, bitumen content and compaction process, the flow rate increases simultaneously. The stability value obtained from the asphalt content of 5.781% (10%) variant is 1097.0 kg, higher than the other variants. Only 2 sample variants meet VIM specifications. Obtained optimum asphalt value of 5.75% which is close to the initial optimal asphalt estimated. Key words: Coal Fly ash, Marshall Test, AC-WC, Optimum Asphalt Content, MQ-optimum
Desain Alternatif Struktur Talang Air Beton pada Saluran Sugih, Desa Cibedug, Kecamatan Ciawi Nopiyansah, Muhammad Ilham; Hariati, Feril; Chayati, Nurul; Insan, Muhammad Khaerul
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 2 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i2.9436

Abstract

ABSTRACT The provision of water in wet farming is very important to support optimal crop yields. The irrigation system on the Sugih Canal in Cibedug Village, Ciawi, Bogor Regency was affected by a landslide with a depth of 8 meters, which resulted in a 28 meter long canal being cut off. This study aims to plan the construction of reinforced concrete gutters with a size of 60 cm and a height of 80 cm to repair broken points. The design of reinforced concrete gutters refers to SNI 03-2847-2002. It is planned that the floor plate thickness is 20 cm and the channel wall thickness is 15 cm, using concrete with quality K-250 (fc' = 25 MPa). Based on the analysis that has been carried out, the live load is 250 kg/m, the dead load is 748 kg/m, and the factored load is 1297.6 kg/m. The maximum moment (Mmax) that occurs at the pin support is 38,281 kNm. Concrete reinforcement on the channel floor plate is in the form of main reinforcement D12-135, and reinforcement for D8-300. Reinforcement for wall plate is main reinforcement D12-115, reinforcement for D8-255.

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