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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 233 Documents
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Perencanaan MCK dan Septic Tank Komunal di Desa Weninggalih, Kecamatan Jonggol, Kabupaten Bogor Arthono, Andri; Ekadipta, Ekadipta; Salman, Nurcholis; Taqwa, Fadhila Muhammad Libasut
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 1 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i1.7368

Abstract

Abstrak: Indonesia sebagai negara berkembang berupaya meningkatkan pembangunan di semua aspek kehidupan salah satunya sanitasi. Semakin bertambahnya jumlah perumahan dan perkampungan yang mendiami satu area lingkungan, semakin berat pula lingkungan tersebut menetralisir air limbah yang sebagian besar didapatkan dari sisa penggunaan air bersih. Pada lokasi studi di lingkungan desa Weninggalih, Kecamatan Jonggol, Kabupaten Bogor, Air limbah pada umumnya langsung dibuang ke badan sungai tanpa dilakuan pengolahan (treatment) terlebih dahulu, hal tersebut mengancam kelestarian lingkungan, karena keterbatasan kemampuan self-purification lingkungan. Penelitian ini bertujuan untuk merencanakan desain WC/toilet serta tangki septik komunal yang ekonomis, mudah dirawat dan dapat melayani kebutuhan sanitasi warga. Dari analisis yang telah dilakukan, untuk memenuhi kebutuhan 50 orang pengguna, direncanakan MCK komunal dengan 5 (unit) kloset, yang dilengkapi dengan tampungan air bersih dengan kapasitas 400 l. Dengan debit air limbah sebanyak 40 l/org/thn, produksi lumpur septic tank adalah sebanyak 4000 l/tahun. Tangki septik komunal direncanakan memiliki kapasitas 18,97 m3.Kata Kunci: sanitasi, MCK komunal, tangki septik komunal.Abstract: Indonesia as a developing country is trying to increase development in all aspects of life, one of which is sanitation. The increasing number of housing and settlements that inhabit an area of the environment, the more difficult it is for the environment to neutralize wastewater, which is mostly obtained from the remaining use of clean water. At the study site in Weninggalih village, Jonggol District, Bogor Regency, wastewater is generally discharged directly into river bodies without prior treatment, this threatens environmental sustainability, due to the limited ability of environmental self-purification. This study aims to design a communal toilet/toilet and septic tank that is economical, easy to maintain, and can serve the sanitation needs of the residents. From the analysis that has been carried out, to meet the needs of 50 users, a communal MCK with 5 (unit) toilets is planned, equipped with a clean water reservoir with a capacity of 400 l. With a wastewater discharge of 40 l/person/year, the production of septic tank sludge is as much as 4000 l/year. The communal septic tank is planned to have a capacity of 18.97 m3.Key words: sanitation, Communal MCK, communal septic tank.
Metode Pelaksanaan dan Analisa Efisiensi Pekerjaan Aluminium Formwork System pada Proyek Apartemen Sudimara Forestwalk Tower Albizia Lubis, Ahliyatu Putri Ahmadyna; Alvindra, Alka; Sihombing, Lukas Beladi
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 1 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i1.9402

Abstract

Abstrak: Seiring dengan perkembangan teknologi di bidang industri yang terus meningkat, pelaksanaan proyek konstruksi mengalami hal yang serupa dimana terdapat berbagai macam inovasi yang dapat mempermudah dan mempercepat proses pekerjaan. Terdapat tiga item pekerjaan yang paling berpengaruh dalam pembangunan proyek konstruksi gedung, yaitu pekerjaan pembesian, bekisting, dan pengecoran. Pekerjaan bekisting dinilai paling banyak dalam penggunaan sumber daya, seperti penggunaan material yang boros dan tenaga kerja yang lebih banyak dibandingkan dengan item pekerjaan lainnya. Penelitian ini bertujuan untuk meninjau kembali metode pelaksanaan konstruksi khususnya pekerjaan bekisting guna memberikan inovasi yang dapat meningkatkan efisiensi pembangunan konstruksi. Metode yang digunakan yakni melalui studi literatur dan pengamatan langsung pada Proyek Apartemen Sudimara Forestwalk Tower Albizia yang dilaksanakan oleh PT. PP Urban. Hasil penelitian menunjukan bahwa penggunaan aluminium formwork dinilai dapat meningkatkan efektivitas dan efisiensi proyek konstruksi dengan meminimalisir penggunaan material, tenaga kerja, serta waktu jika dibandingkan dengan penggunaan metode bekisting konvensional. Dengan demikian, penelitian ini diharapkan dapat memberikan hasil nyata penggunaan aluminium formwork serta mampu memberikan alternatif dari penggunaan bekisting untuk mempercepat durasi pekerjaan di lapangan.Kata Kunci: Aluminium formwork, Efisiensi, Keunggulan, Pelaksana.Abstract: Along with technological developments in the industrial sector which continues to increase, the implementation of construction projects experiences a similar situation where there are various kinds of innovations that can simplify and speed up the work process. There are three work items that are most influential in the construction of building construction projects, namely ironwork, formwork, and casting. Formwork work is valued the most in the use of resources, such as the use of wasteful materials and more labor compared to other work items. This study aims to review construction implementation methods, especially formwork work in order to provide innovations that can increase the efficiency of construction development. The method used is through literature studies and direct observation of the Sudimara Forestwalk Tower Albizia Apartment Project carried out by PT. Urban PP. The results showed that the use of aluminum formwork was able to increase the effectiveness and efficiency of construction projects by minimizing the use of material, labor and time when compared to the use of conventional formwork methods. Thus, this research is expected to provide real results using aluminum formwork and be able to provide an alternative to the use of formwork to speed up the duration of work in the field.Key words: Aluminium formwork, Efficiency, Advantages, Implementation.
Efektifitas Polisi Tidur (Road Humps) dalam Mereduksi Kecepatan pada Ruas Jalan H.M. Syarifudin di Kota Bogor Setiawan, Ari; Rulhendri, Rulhendri; Alimuddin, Alimuddin; Chayati, Nurul
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 1 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/jurnal komposit.v7i1.8029

Abstract

Polisi tidur (road humps) merupakan salah satu fasilitas rekayasa lalu lintas yang berfungsi untuk mengurangi kecepatan kendaraan bermotor yang melewati suatu ruas jalan. Polisi tidur adalah peninggian melintang permukaan jalan yang digunakan untuk mengendalikan kecepatan kendaraan. Jenis-jenis polisi tidur antara lain speed bump, speed hump, dan speed tables. Tujuan penelitian ini adalah untuk mengetahui efektifitas polisi tidur yang berfungsi sebagai pereduksi kecepatan kendaraan pada suatu ruas pada jalan dan apakah dimensi sudah sesuai dengan Peraturan Menteri Perhubungan Republik Indonesia No PM 14 Tahun 2021. Penelitian ini menggunakan metode analisis survei untuk pengambilan data dengan metode pengamatan kecepatan pengendara pada saat melewati polisi tidur dan pada saat tidak melewati polisi tidur. Pada jalan Jalan H.M. Syarifudin di Kota Bogor diperoleh kecepatan rata-rata sepeda motor pada saat melewati polisi tidur 13,59 km/jam dan pada saat tidak melewati polisi tidur 34,57 km/jam sedangkan untuk mobil pada saat melewati polisi tidur 11,28 km/jam dan pada saat tidak melewati polisi tidur 31,49 km/jam. Hal tersebut menunjukkan hasil yang tidak efektif karena dapat dinyatakan efektif apabila kecepatan rata-rata berkurang sebesar 8 km/jam.
Peningkatan Jalan Menggunakan Perkerasan Kaku (Rigid Pavement) pada Ruas Jalan Letnan Sukarna Kecamatan Ciampea Kabupaten Bogor Winara, Agriatama Hegar; Rulhendri, Rulhendri; Alimuddin, Alimuddin; Lutfi, Muhamad
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 1 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i1.8031

Abstract

ABSTRACT: Road is the main land transportation infrastructure to move from one place to another places for every traffic user who passes through it, so the volume of vehicles on these roads must be able to be supported by adequate road pavement. Letnan Sukarna road is the connecting access for Rancabungur and Ciampea sub-districts. The existing condition of the road is in the form of Flexible Pavement, however there are several points that can be categorized as moderate to heavily damaged roads. The damage is in the form of longitudinal cracking and potholes that is caused by excessive vehicle loads, malfunctioning of drainage channels and high rainfall. In this study, a comparison of rigid pavement calculations uses the 1993 AASHTO and Bina Marga 2003 methods on Letnan Sukarna Road, Ciampea District, Bogor Regency. This study aims to obtain data on existing conditions and to find out the comparison of rigid pavement thickness. From the calculation results of the AASHTO 1993 method, the thickness of the pavement is 20 cm with transverse connections using dowels with a diameter of 13 mm, length 635 mm, a distance of 1117 mm, a longitudinal connection using a tie bar with a diameter of 25 mm, a length of 450 mm and a distance of 300 mm. Whereas with the Bina Marga 2003 Method, that is obtained a thickness of 18 cm with a transverse connection using a dowel with a diameter of 25 mm, length of 450 mm, a distance of 300 mm, a longitudinal connection using a tie bar with a diameter of 16 mm, a length of 750 mm and a distance of 700 mm. The difference in pavement thickness is quite small, namely 2 cm. It is influenced by differences in the input parameters of the two methods.
Efektifitas Pita Penggaduh (Rumble Strips) dalam Mereduksi Kecepatan pada Ruas Jalan Achmad Adnawijaya Kota Bogor Rahadian, Muhamad Luthfi; Rulhendri, Rulhendri; Chayati, Nurul; Sudrajat, Endang
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 1 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i1.8034

Abstract

Abstrak: Pada masa kini, kebutuhan akan jalan yang harmonis telah menjadi sesuatu yang esensial mengingat pentingnya fungsi jalan, terutama jalan besar bagi masyarakat, dimana ketidak harmonisan ketika berkendara di jalan raya akan menciptakan efek berantai akan menghambat kegiatan di masyarakat. Mengingat penting adanya jalan yang harmonis karena itu diciptakan beberapa alat pengaman di jalan raya salah satunya adalah pita penggaduh (rumble stirps). Penelitian ini akan dilakukan di Jalan Achmad Adnawijaya Kota Bogor bertepatan dengan persimpangan arah putar balik, Jalur ini merupakan Jalan Achmad Adnawijaya memang bisa menjadi sebuah alternatif  bagi anda yang sedang mencoba mengarah ke Utara atau Selatan Kota Bogor. Pengambilan data dilakukan dengan menggunakan stopwatch setelah itu dilakukan pencatatan waktu tempuh sesuai titik yang sudah di tentukan untuk mendapatkan data kecepatan kendaraan. Metode Statistik diperlukan untuk mengetahui seberapa signifikan perbedaan antara kecepatan sebelum pita penggaduh dan sesudah pita penggaduh. Data yang diperlukan adalah karakteristik lalu lintas, kapasitas jalan dan kecepatan kendaraan pada ruas jalan. Pada akhirnya didapatkan hasil kecepatan rata-rata lalu lintas kendaraan ringan sebelum pita penggaduh adalah 20 km/jam dan setelah pita penggaduh 13 km/jam untuk kendaraan berat kecepatan sebelum pita penggaduh adalah 14 km/jam dan setelah pita penggaduh 12 km/jam dan untuk kendaraan ringan kecepatan sebelum pita penggaduh adalah 29 km/jam dan setelah pita penggaduh adalah 16 km/jam dan untuk besar pengaruh pita penggaduh dalam mereduksi kecepatan kendaraan ringan sebesar 34% untuk kecepatan kendaraan berat hanya 18% dan untuk kendaraan motor sebesar 39%
Perhitungan Kebutuhan Air Irigasi untuk Perluasan Daerah Irigasi (Studi Kasus: Daerah Irigasi Cisadeng II, Desa Leuwisadeng, Kecamatan Leuwisadeng, Kabupaten Bogor) Rahayu, Uga Sri; Hariati, Feril; Alimuddin, Alimuddin; Nandiasa, Jantiara Eka
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 1 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i1.8425

Abstract

The need for irrigation water as a whole need to be known in the planning and management of irrigation systems. Given that the Cisadeng II Irrigation Area (DI) located in Leuwisadeng District, Bogor Regency, experienced an expansion of the paddy field area from 32 ha to 42 ha, it is necessary to carry out an analysis of the demand for irrigation water discharge on various cropping patterns. This study used two methods, namely manual calculation (KP-01 concept) and calculation using the CROPWAT application version 8.0. This study aims to compare the results of the two calculations. From the results of the study, the amount of irrigation water needed for rice cropping pattern with the beginning of land preparation in November, with manual calculations (KP-01 concept) using the modified Penman method is 8.12 - 19.00 m3/sec. Meanwhile, according to CROPWAT Version 8.0 calculations, it is 8.03 - 18.39 m3/sec. Thus, it can be concluded that the calculations with the two methods do not give too different values. In addition, from the results of calculating the reliable debit, the use of the CROPWAT Version 8.0 method provides a more accurate value. Keywords: Irrigation, water demand, manual calculation (KP-01), CROPWAT Version 8.0
Penentuan Karakteristik Tanah Desa Ngasem dengan Metode ASTM Safi'i, Annas Dwi; Candra, Agata Iwan; Altara, Jecksindio Elten; Oktaviadi, Mohammad Reza; Dwi K, Mohamad Agus; Mahardika, Rega; Aditia, Trio Syiwa
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 1 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i1.9196

Abstract

Abstract: Soil is an important part of a sub-building structure, soil characteristics need to be considered in the initial planning of a construction, in order to achieve stability and security for the building above it. With different soil conditions, as is the case with the soil in Ngasem village which has low carrying capacity, it is necessary to know which structure meets the requirements for the soil conditions in Ngasem. To find out the characteristics of the soil is done by testing in the laboratory, namely testing the physical and mechanical properties. Testing the physical properties of the soil is testing the water content (Wc), specific gravity (Gs), Atterberg limits and soil unit weight (γ). Mechanical testing with proctor test and direct shear strength. The method used is an experimental method by taking soil samples at a depth of ± 80 cm and conducting research tests in the Kadiri University laboratory. So that the results of soil classification with the SW-SM code are obtained which are classified as well-graded sandy soils with silt mixtures based on USCS and classified as (A-1-b) according to the AASHTO classification system. The Atterberg Limit of Low Plasticity (clay low plasticity) with a Plastic Index Value of 3.243 which is classified as Slightly Plastic, a shear angle value of 38.748° with a cohesion value of 1.914, a maximum dry unit weight value of 1.77 gr/cm3 , and an optimum moisture content of 14.44 . So that with this study, the community is expected to choose and adjust the type and quality of the structure of building materials in accordance with the state of the land. Keywords: Soil properties, Compaction, Shear Test, Liquid Limit, Plastic Limit
Transformasi Stadion Olah Raga KONI di Kawasan Perdagangan Kota Jambi Setyawan, Denny Iwan
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 1 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i1.11104

Abstract

KONI Stadium is in the middle of the commercial area, adjacent to the old city center of Jambi. As part of the city's strategic economic area, this area is facing the problems of the decline of the city center, underdeveloped land, underutilized property, minor used only property and the existence of a stadium which is still needed by residents as a sports facility and social space. There are also pockets of old settlements that still survive. So the problem is how to meet these various demands in the stadium area which has become the identity of this region. Furthermore, how can the stadium be transformed functionally to meet new programmatic needs in terms of existing regional problems. To be answered through a qualitative descriptive study by looking at the current morphology of the area and the projected potential for the development of the KONI Stadium area in the future. Literature review was conducted to obtain a theoretical basis that can be used. It is also supported by precedent studies on similar issues. From the study, conclusions were formulated on an urban architectural design model that could meet and answer problems. The mixed-use area design approach is considered capable of meeting a variety of demands and functions. Also proposed a solution related to the transformation of existing settlements in the area. Architecturally, it is designed to be in harmony with the economic value of the land by a vertical building design but provides a gradation of scale that gives respect to the scale of the surrounding residential area and of course to the social humanism aspect which still provides communal space for the existing community with development opportunities. It also provides solutions to environmental problems.
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%.

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