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eUREKA : Jurnal Penelitian Mahasiswa Teknik Sipil dan Teknik Kimia
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Focus and Scope of this journal are : Chemical Engineering including : bioenergy processing, environmental engineering, natural resource management, Heat and Mass Transfer, Chemical Reaction, Analytical Chemistry, Biochemistry, Designing tools and chemical processes, Chemical industry process, Computing and modeling (simulation) process, Particle and nano technology, membrane technology, esessential oil technology, and phytopharmaca, etc. Civil Engineering including : technology of construction materials, transportation system, environmental layout, concrete and wood structures, steel construction, bridge and dam construction, management of water resources and Hydrology, earthquake engineering, sanitation systems and urban drainage. eUREKA is published twice a year on Juni and December by Engineering Faculty of Universitas Tribhuwana Tunggadewi Malang
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Articles 13 Documents
Search results for , issue "Vol 3, No 2 (2019): EDISI DESEMBER 2019" : 13 Documents clear
STUDI KELAYAKAN MATERIAL GUNUNG DALAM PENGGUNAANNYA SEBAGAI SALAH SATU MATERIAL BETON (STUDI KASUS MATERIAL PASIR WATUMEZE DAN AGREGAT BATU PECAH BOBA-RADHA KABUPATEN NGADA) Rema, Petrus Damianus; Rasidi, Nawir
eUREKA : Jurnal Penelitian Teknik Sipil dan Teknik Kimia Vol 3, No 2 (2019): EDISI DESEMBER 2019
Publisher : Universitas Tribhuwana Tunggadewi Malang

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Agregat Watumeze dan Boba-radha menjadi komoditas penting di kabupaten Ngada dan sekitarnya, yaitu sebagai bahan bangunan. agregat harus memenuhi berbagai syarat teknis, Namun sebagai bahan alam kualitas agregat Watumeze dan Boba-radha jelas banyak dipengaruhi oleh keadaan tempat dan lingkungan pengambilannya. Penelitian dilakukan dilaboratorium dengan kubus beton 15 x 15 cm untuk mengetahui kuat tekan beton dan selinder dengan ukuran 15 x 30 cm untuk kuat tarik beton.dimana untuk kuat tekan beton dibuat 9 buah benda uji dan kuat tarik beton 5 buah benda uji dengan Perbandingan campuran 1semen : 2,80 Kerikil : 1,87 Pasir. Uji pendahuluan terhadap aggregat dari Watumeze dan Boba-radha menunjukan bahwa kadar air agregat kasar adalah 0.60%, kadar air agregat halus 3.58%,berat jenis agregat kasar 2.62 dan berat jenis untuk agregat halus 2.69, penyerapan untuk agregat kasar sebesar 2.78 % dan agregat halus adalah 1.18%. Kuat tekan beton pada umur 3 hari dikonversi ke 28 hari sebesar 331.10 Kg/cm2,dan kuat tarik beton 26,78 Kg/cm2.Kualitas material Watumeze dan Boba- Radha dipergunakan sebagai beton kelas 1 (Bo dan B1), tapi untuk beton kelas 2 pun masih dapat digunakan walaupun dilihat dari syarat abrasi hal itu tidak dibenarkan, karena telah melampaui syarat SNI sebesar 40%. Kata Kunci : kualiats agregat, kuat tekan beton,kuat tarik beton, Watumeze dan Boba-radha ABSTRACT Agaregat Watumeze and Boba-radha become an importsnt commodity in Ngada and surrounding and counties, is a building material. Agaregat should meet various technical requremnts. But as the quality of the natural materil obviously heavily infulenced agaregat Watumeze and Boba-radha clear condition environment where they were takken. Research to do in laboratory with conrete to know pressure strong of cube and chylinder with size for puul strong of cube 15 x 30 cm, where forb concrete compressive strength test specimens made of 9 pieces and 5 pieces of concrete tensile specimens with mixure ratio 1 cement: 2,80 gravel: 1,87 sand. The preliminary test of the mountain Watumeze and Boba-radha agaregat shiwed that themoisture content was 0, 60%, specific gravity 2,47 and density of coarse agaregat smooth 2, 53, obsorption for rough agaregat for 2, 32% and agaregat smooth 21, 27%. Compressive strength of concrete at the age of 3 days converted to 28 days of 331,10 kg/cm2, Watumeze and Boba-radha quality material is used as a conncret clss 1, but for concreate grade 2 can still be used even if seen from abrasion conditions because that it exceeds the SNI as big as 40%.
ANALISA TINGKAT PELAYANAN PADA RUAS JALAN KALIPARE-DONOMULYO KECAMATAN KALIPARE KABUPATEN MALANG Bili, Djener Kristian; Suhudi, Suhudi
eUREKA : Jurnal Penelitian Teknik Sipil dan Teknik Kimia Vol 3, No 2 (2019): EDISI DESEMBER 2019
Publisher : Universitas Tribhuwana Tunggadewi Malang

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Pada ruas Jalan kalipare terdapat banyak hambatan samping, saluran yang kurang berfungsi dengan baik, hal ini dapat mengakibatkan kemacetan atau memperlamat aktifitas masyarakat yang satu dengan yang lain, disisi lain jalan kalipare merupakan jalan menuju daerah wisata Kabupaten Blitar dan Ngawi dan merupaan daerah pertanian dilihat dari banyaknya tanaman tebuh, ubi dan lain-lain. Tujuan penelitian ini Untuk mengetahui karakteristik, tingkat pelayanan lalu lintas dan dimensi saluran pada ruas Jalan Kalipare- Donomulyo Kabupaten Malang. Survey menggunakan metode pengambilan Data dengan Berdasarkan Metode Manual kapasitas jalan 1987, Berdasarkan Buku drainase perkotaan (suripin 2004). Hasil analisa dilapangan pada Ruas jalan Kalipare-Donomulyo Kecamatan Kalipare, Kabupaten Malang memiliki karakteristik volume jam puncak Lalu Lintas Harian Rata?rata (LHR) pada minggu pertama tanggal 28 mei 2018 sampai 3 juni 2018 lebih kecil dari minggu kedua tanggal 4 juni 2018 sampai 10 juni 2018 dengan jumlah minggu pertama 30394,2 smp/jam dan minggu kedua 32187,2 smp/jam. Berdasarkan hasil survei dan analisa dilapangan untuk tingkat pelayanan pada Ruas Jalan Kalipare-Donomulyo Kecamatan Kalipare Kabupaten Malang pada jam puncak adalah dengan tingakat pelayanan F >1. Dimana dari hasil perhitungan Ds = Q/C didapat Q(Volume Lalu Lintas dalam Smp/jam) = 2450,9 smp/jam, dan Kapasitas (C dalam smp/jam) = 1561,1. Berdasarkan hasil analisa perhitungan saluran debit air (Q) = 0,171 m3/dtk maka dapat dapat diketahui dimensi saluran yaitu dengan tinggi saluran 0,28 m dan lebar saluran 0,55 m. Kata Kunci : Analisa, Tingkat Pelayan, Drainase. Abstract On the road of kalipare there are many obstacles aside, the less work properly, this can lead to congestion or memperlamat the society activities with one another, on the other hand the road kalipare is the way to the tourist district of Blitar Regency and Wonogiri and regional health workforce form the farm as seen from the large number of plant tebuh, sweet and others. The purpose of this research is to know the characteristics, level of service and traffic channel dimensions on Kalipare roads-Donomulyo Malang. Survey method using Data capture with Manual Methods based on the capacity of the road 1987, based on the book the urban drainage (suripin 2004). The results of the analysis of the situation on the roads Kalipare-Kalipare Sub Donomulyo, Malang has a characteristic peak hour volume of daily traffic Averages ? average (LHR) in the first week of May 28, 2018 to 3 June 2018 is smaller than the second week 4 June to 10 June 2018 2018 by the number of weeks the first junior high school 30394.2/hour and the second week of 32187.2 junior high school. Based on the survey results and analysis of the situation to the level of service on the Roads Kalipare-Donomulyo Subdistrict Kalipare Malang at peak hours is by tingakat Ministry F > 1. Where the calculation results of Ds = Q/C obtained Q (Traffic Volume in the junior high/hour) = 2450.9/junior, and capacity (C in junior/hour) = 1561.1. Based on the results of the analysis of the calculation of water discharge channel (Q) = 0.171 m3/sec then it can be known i.e. channels dimensions with a height of 0.28 m and width channels channel 0.55 m.
STUDI PERBANDINGAN BIAYA BAHAN PADA BEKISTING KAYU DAN BONDEK DI GEDUNG FAKULTAS ILMU PENDIDIKAN UNIVERSITAS TRIBHUWANA TUNGGADEWI MALANG Pakereng, Roly; Wijaya, Handika Setya
eUREKA : Jurnal Penelitian Teknik Sipil dan Teknik Kimia Vol 3, No 2 (2019): EDISI DESEMBER 2019
Publisher : Universitas Tribhuwana Tunggadewi Malang

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At this time technological advances the world construction intensified. In improving the quality of the work of a construction, numerous attempts have been made to get the work more effective, efficient and quality values fixed in the preserve. So also with the method of implementation of the floor plate using wood formwork in compare with bondek on the work floor plate building of the Faculty of education at the University of Tribhuwana Tunggadewi Malang, in the work floor plates using plate further simplify and accelerate bondek a floor plate work on the building. In this research aims to know the difference between the cost of the execution of the work plate floor using wooden formwork bondek compared to on the job building of the Faculty of education at the University of Tribhuwana Tunggadewi Malang. In the collection of data, the researchers used a method of observation and the method of literature. From this research it was concluded that the cost of implementation of the work plate formwork timber floors with cost of 368,021,577.00 more expensive compared to a cost of bondek plate 133.027.125.00
PERBANDINGAN EFISIENSI BALOK KOLOM BETON DAN KOLOM BAJA DI BANGUNAN MUSEUM MPU PURWA KOTA MALANG Mesquita, Zerico Corrreia; Wijaya, Handika Setya
eUREKA : Jurnal Penelitian Teknik Sipil dan Teknik Kimia Vol 3, No 2 (2019): EDISI DESEMBER 2019
Publisher : Universitas Tribhuwana Tunggadewi Malang

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The beam is a wake up space bounded by 6 rectangle, where each side of the rectangle with the appropriate connecting one side of the rectangle, and the rectangle is congruent. Concrete and steel are the two types of material structure commonly used in the construction of a building. Both types of the material sometimes mutually help each other, but can also stand alone on its own, so a lot of structures with similar form and function can be built with concrete or steel. Concrete is a material that was relatively strong against a load of press but weak against load pull. To obtain the relative structure. strong against load-pull, then the added steel reinforcement inside it. A combination of concrete and steel reinforcement is known by the name of concrete. From the results of the calculations and analysis that there is a comparison between the budget cost of the reinforced concrete and steel structures with the difference between the cost of RP 156.261.84. So from a comparison of both the material turns out to be more economical structures reinforced concrete 10%(4).
ANALISA TINGKAT PELAYANAN LALU LINTAS SIMPANG LIMA PADA RUAS JALAN TUNGGULWULUNG KECAMATAN LOWOKWARU KOTA MALANG Maia, Jenina Duarte; Rahma, Pamela Dinar
eUREKA : Jurnal Penelitian Teknik Sipil dan Teknik Kimia Vol 3, No 2 (2019): EDISI DESEMBER 2019
Publisher : Universitas Tribhuwana Tunggadewi Malang

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Kota Malang merupakan kota terbesar kedua di Propinsi Jawa Timur dengan luas 110.06 km2, setelah Kota Surabaya, dengan jumlah populasi peduduk 895.387 jiwa (2017) dengan peningkatan 3,9% setiap tahunnya. Pertumbuhan penduduk yang setiap tahunnya terus bertambah. Dengan pertumbuhan lalu lintas yang semakin cepat harus diimbangi pula dengan peningkatan sarana transportasi yang memadai sehingga ruas jalan tidak menimbulkan hambatan dan kemacetan. Salah satu wilayah yang terkena dampak dari lalu lintas yaitu di Jalan Tunggulwulung kecamatan Lowokwaru, Kota Malang. Tujuan dari penelitian ini adalah untuk mengetahui karakteristik, kapasitas ruas jalan, tingkat pelayanan jalan dan yang terakhir untuk mengetahui kapasitas dan tingkat pelayanan jalan selama 5 tahun. Untuk memperoleh data lalu lintas dilakukan survei lalu lintas. Kemudian data-data tersebut diolah sehingga menghasilkan (LHR) pada minggu pertama lebih besar dari minggu kedua dengan jumlah minggu pertama 7646 smp/jam dan minggu kedua 7427 smp/jam, Kapasitas (C) Jalan Simpang Lima Tunggulwulung pada tahun 2018 adalah sebesar 1526,56 smp/jam, sedangkan prediksi kapasitas pada 5 tahun berikutnya adalah sebesar 1207,16 smp/jam, tingkat pelayanan jalan 5 tahun kedepan L yaitu kondisi arus tertahan/rendah. Kata kunci : Kapasitas jalan, LHR, Lalu lintas. ABSTRACT Malang City is the second largest city in East Java Province with 110,06 km2 area, after Surabaya City, with population of 895,387 people (2017) with 3.9% increase every year. Population growth that continues to increase every year along must be balanced also with the improvement of adequate means of transportation so that roads do not cause obstacles and congestion. One of the areas affected by traffic growth is in Jalan Tunggulwulung Kecamatan Lowokwaru, Malang. The purpose of this research is to know some important things the characteristics, the capacity of the road, the level of road service and the last to know the capacity and the level of road service for 5 years. To obtain traffic data conducted traffic surveys. Then the data is processed so as to produce (LHR) in the first week is greater than the second week with the number of the first week 7646 smp / hour and second week 7427 smp / hour, Capacity (C) Jalan Simpang Lima Tunggulwulung in 2018 amounted to 1526, 56 smps / hour, while the prediction of capacity in the next 5 years is 1207.16 pcu / hour, the level of road service 5 years ahead L that is the condition of the stuck / low current.
STUDI PERKERSAN JALAN DAN PERBAIKAN TANAH CRACK PADA RUAS JALAN SITIREJO KECAMATAN WAGIR KABUPATEN MALANG (STA 0 + 000 – STA 1 + 000) Nyuru, Andri Kering; Rahma, Pamela Dinar
eUREKA : Jurnal Penelitian Teknik Sipil dan Teknik Kimia Vol 3, No 2 (2019): EDISI DESEMBER 2019
Publisher : Universitas Tribhuwana Tunggadewi Malang

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Soil crack or base soil is the foundation for the pavement of both the pavement on the traffic and the shoulder. Thus the base ground is the last construction to receive the vehicle loads supplied by the pavement. Soil is a substantial component of subgrade that has different characteristics and behaviors, so that each type of soil has certain characteristics. Soil properties affect the resistance of the above layers. Local roads according to jitden bina marga (1997) is a public road that serves local transport with the characteristics of short distance trips, low average speed and the number of access roads are not restricted. The street pets are meant to make the path fulfill the role as in the design. This research is descriptive to know the description of factors - factors that affect road damage. This research is only done for road status in Sitirejo Wagir Subdistrict, Malang Regency. This study only examines the main factors affecting road conditions that are mainly caused by damage to existing roads in the village of Sitirejo. From the results of field research, obtained damage to Sitirejo Road Area Wagir District, Malang Regency, among others, Cracked Alien Crack (Aligator Crack), deformation, surface texture damage. From result of observation result of damage and based on from Public Works Department Directorate General of Highways, Road Pavement Design Manual, No 02 / M / BM / 2013, improvement corresponding to four points that is Achievement of service level, Implementation of life cycle cost minimization, Consideration of practicality of execution , Efficient use of materials.
STUDI PERBANDINGAN BIAYA BAHAN PADA BEKISTING KAYU DAN BONDEK PADA MUSEUM MPU PURWA KOTA MALANG Daghu, Yehezkhiel; Arifianto, Andy Kristafi
eUREKA : Jurnal Penelitian Teknik Sipil dan Teknik Kimia Vol 3, No 2 (2019): EDISI DESEMBER 2019
Publisher : Universitas Tribhuwana Tunggadewi Malang

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Mendirikan sebuah bangunan dengan mempertimbangkan segala aspek kostruksi adalah item utama yang diperlukan dalam dunia konstruksi, yang mana aspek biaya dari pembangunan itu sendiri yang biasa disebut dengan sebutan Rencana Anggaran Biaya (RAB) dengan mengikuti acuan dasar dari Peraturan Menteri Pekerjaan Umum Perumahan Rakyat (Permen PUPR) adalah Peraturan Perundang ? undangan di Indonesia yang ditetapkan oleh Presiden kepada menteri terkait untuk menjalankan peraturan sebagaimana mestinya. Hasil analisa harga satuan diambil dari PermenPUPR 28 ? 2016 dari hasil analisa tersebut akan diperoleh Rencana Anggaran Biaya (RAB) yang menetukan volume dari setiap item yang akan dibahas pada pembahasan. [1] Objek penelitian saat ini terletak di Jln. Soekarno ? Hatta tepatnya pada Museum MPU Purwa Malang. Analisa harga satuan serta Rencana Anggaran Biaya (RAB) difokuskan pada pekerjaan bekisiting kayu yang hasil analisanya nanti akan dikaji atau dibandingkan dengan hasil analisa dari bondek, dengan kata lain hasil analisa dari bekisting kayu akan menjadi acuan pada analisa bondek. Hasil penelitian menunjukkan bahwa : (1) Bahan pelat bondek lebih murah 9% dari bahan bekisting kayu, (2) Pelat bondek lebih mudah dalam pelaksanaan, (3) Material untuk pekerjaan bekisting kayu lebih mudah didapatkan dibanding dengan pelat bondek. Berdasarkan ketiga aspek tersebut, untuk pemilihan khususnya pekerjaan pelat direkomendasikan untuk menggunakan pelat bondek. Kata kunci : bekisting kayu, bondek, biaya pekerjaan. ABSTRACT Establish a building taking into account all aspects of kostruksi is the main items needed in the world of construction, which cost aspects of the construction itself is commonly referred to as The Plan Cost Budget and following the reference of the basis of the regulation of the Minister of public works Housing (PERMEN PUPR) is the Laws ? the invitation in Indonesia that are assigned by the President to the Minister related to run the rules properly. The results of the analysis of unit price is taken from the PermenPUPR 28 ? 2016 from the analysis results will be retrieved The Plan Cost Budget that determine the volume of each of the items that will be discussed on the discussion. [1]. The objects of research are currently located in Jln. Soekarno ? Hatta at the Museum of the MPU Purwa Malang. Unit price analysis and cost budget Plan (RAB) focused on the work of bekisiting wood, gave results will be examined or compared with the results of the analysis of bondek, in other words the results of analysis of formwork timber will be a reference analysis on bondek. The results showed that: (1) cheaper bondek plate Materials 9% of timber formwork materials, (2) Plate bondek easier in implementation, (3) Material for formwork timber jobs more easily obtained than with the bondek plate. Based on these three aspects, for the selection of particular work plates are recommended to use the plates bondek.
PRA RANCANG BANGUN PABRIK PUPUK BIOCHAR DARI CANGKANG KEMIRI DENGAN KAPASITAS 6.450,9320 TON/TAHUN MENGGUNAKAN ALAT UTAMA ROTARY KILN Ayu, Agnes Diah; Iskandar, Taufik
eUREKA : Jurnal Penelitian Teknik Sipil dan Teknik Kimia Vol 3, No 2 (2019): EDISI DESEMBER 2019
Publisher : Universitas Tribhuwana Tunggadewi Malang

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Biochar fertilizer is a porous black charcoal produced by pyrolysis process with a relative temperature below 700 oC enriched with nitrogen (N). The benefits of biochar fertilizer are as a natural fertilizer (organic fertilizer) which is good for improving the condition of contaminated soil due to excessive use of chemical fertilizers and pesticides. Pecan shell waste has the potential to be used as a raw material in making biochar fertilizer by adding chicken manure which serves as a substitute for nitrogen elements that are lost in the candlenut biochar which is reduced or disappears during the pyrolysis process. The design of biochar fertilizer is planned to be established in 2021 in Dairi Regency, North Sumatra. Production capacity is planned to be 6,450.9320 tons / year with 9 hours / production, 300 days / year and in one day there are 2 processes. The process used is slow pyrolysis (slow pyrolysis) is one of the technologies used to convert hazelnut shell waste into charcoal (biochar). Based on economic analysis, the total investment in production is Rp. 15,924,053,007.45. Product sales value of Rp. 38,705,591,883 per year, with profit before and after tax is Rp. 9,978,936885 per year and Rp. 8,981,043,197 per year. The results of the feasibility analysis obtained ROI at (%): 64.86%, POT (Year): 1.4 Years, BEP (%): 32.333%, IRR (%): 20.296% So it can be concluded that the Pre-Design of Biochar Fertilizer with capacity of 6,450.9320 tons/year is worthy of being established.
PENGARUH ABU AMPAS TEBU SEBAGAI ALTERNATIF PENGGANTI PORTLAND CEMENT (PC) FC’=19 MPA TERHADAP KUAT TEKAN DAN KUAT TARIK BETON) Koi, Damianus; Rasidi, Nawir
eUREKA : Jurnal Penelitian Teknik Sipil dan Teknik Kimia Vol 3, No 2 (2019): EDISI DESEMBER 2019
Publisher : Universitas Tribhuwana Tunggadewi Malang

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Abu ampas tebu (AAT) yang berasal dari PT. PG Kebon Agung Kota Malang merupakan limbah yang memiliki kandungan silikat sebesar 68,5 %. Penelitian terhadap AAT dilakukan sebagai bahan substitusi parsial semen dengan prosentase secara berturut-turut 0%, 7%, 9%, 13%, 15% terhadap berat semen. Penelitian ini bertujuan untuk mengetahui pengaruh AAT terhadap kuat tekan dan kuat tarik beton lentur dan Penggunaan air untuk campuran beton dalam penelitian ini dibuat sama untuk setiap prosentase AAT. Hasil penelitian menunjukkan semakin tinggi prosentase AAT maka semakin rendah workability beton segar. Penggunaan AAT tidak mempengaruhi peningkatan kuat tarik lentur tetapi memberi peningkatan pada modulus elastistas dan kuat tekan. Modulus elastisitas beton dengan AAT lebih besar dari beton tanpa AAT kecuali pada prosentase 15%. Kuat tekan yang diperoleh melebihi kuat tekan yang direncanakan dan peningkatan terbesar terjadi pada Prosentase 9%. secara keseluruhan AAT dapat dimanfaatkan sebagai bahan substitusi parsial semen dalam campuran beton dengan prosentase optimum pada prosentase 9% berdasarkan kekuatan dan workabilitynya. Kata kunci: ampas tebu, kuat tekan, kuat tarik beton, prosentase optimum. ABSTRACT Ash bagasse (AAT) originating from PT. PG Kebon Agung Malang is a waste that has silicate content of 68.5%. The study of AAT was performed as partial substitution material of cement with percentage successively 0%, 7%, 9%, 13%, 15% to the weight of cement. This study aims to determine the effect of AAT on the compressive strength and tensile strength of concrete bending and Water use for concrete mixture in this study is made equal for every AAT percentage. The results showed the higher the percentage of AAT, the lower the workability of fresh concrete. The use of AAT does not affect the increase in tensile strength of tensile but gives an increase in the elastic modulus and compressive strength. The modulus of elasticity of concrete with AAT is greater than concrete without AAT except in percentage 15%. The compressive strength obtained exceeds the planned compressive strength and the greatest increase occurs in Percentage 9%. overall AAT can be utilized as partial substitution material of cement in concrete mixture with optimum percentage at 9% percentage based on strength and workability.
DESAIN PERKERASAN RUAS JALAN HPH SP III – SP IV DISTRIK YAPSI JAYAPURA Kurniawan, Yusuf; Pandulu, Galih Damar
eUREKA : Jurnal Penelitian Teknik Sipil dan Teknik Kimia Vol 3, No 2 (2019): EDISI DESEMBER 2019
Publisher : Universitas Tribhuwana Tunggadewi Malang

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Dalam rangka meningkatkan taraf hidup masyarakat di Kabupaten Jayapura, sarana dan prasarana transportasi darat dianggap memegang peranan yang sangat penting guna memperlancar arus mobilitas barang dan jasa, serta dapat pula membuka keterisolisiran masyarakat setempat dikarenakan jalan penghubung yang masih sulit untuk dilalui oleh kendaran. Penelitian ini bertujuan untuk memperoleh hasil desain perkerasaan pada ruas jalan HPH SPIII ? SPIV Distrik Yapsi Jayapura dengan panjang 5000 meter. Sehingga jalan yang direncanakan dapat memudahkan mobilisasi serta hubungan transportasi dari daerah ke kabupaten bahkan sampai ke pelosok-pelosok desa yang terpencil sekalipun. Metode yang digunakan dalam studi ini adalah metode Bina Marga. Perkerasan lentur (flexiblepavement) terdiri dari lapisan-lapisan yang berfungsi untuk menerima beban lalu lintas dan menyebarkannya ke lapisan di bawahnya. Konstruksi perkerasan lentur (flexiblepavement) terdiri dari empat lapisan yaitu lapisan permukaan (surface), lapisan pondasi atas (basecourse), lapisan pondasi bawah (subbase), dan lapisan tanah dasar (subgrade), sehingga diperoleh kesimpulan bahwa susunan tebal perkerasan terdiri dari lapisan permukaan (surface) menggunakan Laston dengan tebal 10 cm, lapisan pondasi atas (basecourse) menggunakan batu pecah kelas B dengan tebal 20 cm, dan lapisan pondasi bawah (subbase) menggunakan sirtu kelas B dengan tebal 10 cm dan mampu melayani beban selama umur rencana 10 tahun.

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