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INDONESIA
Teknisia
Published by Universitas Islam Indonesia
ISSN : 08538557     EISSN : 27460185     DOI : 10.20885/teknisia
Core Subject : Engineering,
Engineering
Jurnal Teknisia terbit pertama kali pada bulan April 1996. Pada awal berdirinya, Jurnal Teknisia merupakan jurnal ilmiah berkala yang diterbitkan tiga kali setahun oleh Fakultas Teknik Sipil dan Perencanaan, Universitas Islam Indonesia, Daerah Istimewa Yogyakarta yang berisi artikel-artikel bidang teknik sipil, teknik lingkungan, dan arsitektur.
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Articles 6 Documents
 1 
Search results for , issue "Vol. XXV, No. 1, Mei 2020" : 6 Documents clear
PENGEMBANGAN INFRASTUKTUR TERMINAL PENUMPANG PADA PELABUHAN BANDAR BINTAN TELANI (BBT) DALAM MENDUKUNG PARIWISATA PULAU BINTAN Triani Octavia; Bambang Triatmodjo; Sigit Priyanto
TEKNISIA Vol. XXV, No. 1, Mei 2020
Publisher : Jurusan Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknisia.vol25.iss1.art3

Abstract

An evaluation of the condition and performance of the BBT Port needs to be carried out because of the significant increase in the number of tourist visits to the Bintan Beach International Resort area. Still, since its inauguration in 1994, the port has not changed much. Passenger terminal needs are commonly defined through projections using the exponential trend method based on ship and visitor flows in the last five years. A port performance is based on BOR (Berth Occupancy Ratio) calculation. In contrast, for the performance evaluation of passenger terminal services is based on the perception of tourists as passenger terminal users obtained from the questionnaire results with a Likert scale and the Importance Performance Analysis (IPA) method from the IPA, interviews with the BBT port manager, are conducted by using the Strength Weakness Opportunities Threats (SWOT) method to formulate the development strategy. The analysis result shows that it needs to increase the waiting area up to 613 m² in 2033, and the parking area of 17,173 m², while the BOR at the BBT port is still in a proper category, by  24.11% of the UNCTAD 50% requirement. In evaluating the passenger satisfaction to the port services, the improvement focuses on the priority quadrant, namely the physical condition of the BBT port facilities. Next, formulating a development strategy in terms of physical aspects and management to adjust the passenger needs, and the BBT port is ready to face business competition in the future.
KINERJA CAMPURAN SMA DENGAN MENGGUNAKAN PASIR PANTAI INDRAYANTI SEBAGAI PENGGANTI AGREGAT HALUS Farkhan Ramadhan; Miftahul Fauziah
TEKNISIA Vol. XXV, No. 1, Mei 2020
Publisher : Jurusan Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknisia.vol25.iss1.art4

Abstract

Split Mastic Asphalt (SMA) mixture is one of the popular material for flexible pavement in Indonesia. Due to limitation of fine aggregate product  from stone crusher therefore  an alternative  sand beaches is used. This paper presents results of determine the influence of the use of coastal sand as fine aggregate subtitution on the Split mastic asphalt (SMA). This research have four phases, first testing of aggregate and asphalt properties then Determinition of optimum asphalt content 0%, 25%, 50%, 75%, and 100%. Next step were testing Marshall, Immersion, Indirect Tensile Strength, and Cantabro loss. The results showed that the use of Indrayanti's sand beach as substituted fine aggregate on the Split Mastic Ashpalt 0/11 mixture meet the standard. Based on Marshall's test stability and flexibility  of all the mixture were higher the Bina Marga  specification. Indirect Tensile Strength increase in each addition of  Indrayanti's sand beach. Cantabro Loss and Index Retained Strength on all specimens of Indrayanti's sand beach qualify Bina Marga standard.
ANALISIS PERCEPATAN TANAH PERMUKAAN DI WILAYAH RIAU DENGAN METODE PSHA Elvis Saputra; Lalu Makrup; Fitri Nugraheni; Widodo .
TEKNISIA Vol. XXV, No. 1, Mei 2020
Publisher : Jurusan Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknisia.vol25.iss1.art5

Abstract

The western region of Sumatra Island is an area located on the world's active plate margin, which is reflected by the high frequency of earthquake events. An effort to reduce the impact of the earthquake disaster is to conduct a seismic hazard analysis. There have been many studies on seismic hazard in the West Sumatra region. Still, in the surrounding areas such as Riau, which borders directly with the territory, there has never been an earthquake hazard mapping micro zonation. This study aims to determine the value of surface acceleration for various districts or cities in Riau Province, by knowing the amount of surface acceleration, it will be able to identify the areas that have a relatively high level of earthquake risk. The Surface acceleration analysis is done by using the probabilistic Seismic hazard method (PSHA) using The SR Model software. The results of this study are obtained from 12 districts or cities located in Riau in which three areas have a high value of surface acceleration, those are Rokan Hulu regency, Kampar regency), and Kuantan Singingi regency). The amount of surface acceleration in Riau province in the 0.0 second period or peak ground acceleration (PGA) is in the range 0.097 - 0.78 g, then in the 0.2 second period the surface acceleration is in the range 0.204 – 1.943 g, and in the 1 second period of the surface acceleration is in the range 0.176 - 1.155 g.
PEMANFAATAN BATU ZEOLITE SEBAGAI AGREGAT KASAR PADA CAMPURAN ASPHALT CONCRETE BINDER COURSE (AC-BC) DENGAN BAHAN IKAT ASPAL PERTAMINA PEN 60/70 DAN STARBIT E-60 Subarkah Subarkah; Helmy Akbar Bale; Adyatma Arif Nugraha
TEKNISIA Vol. XXV, No. 1, Mei 2020
Publisher : Jurusan Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknisia.vol25.iss1.art6

Abstract

In the construction project, especially the roads in Yogyakarta and surrounding areas, the aggregate used is derived from the Clereng Kulonprogo. This amount of aggregate usage results in scarcity and affects the price to become expensive. The use of coarse aggregate materials as an alternative is rare. In reality, it is necessary to make innovation by utilizing the coarse aggregate of zeolite stone, which is still quite widely available in the Klaten area. Based on the preliminary test, the zeolite aggregate has a lower abrasion resistance compared to the andesite aggregate from Clereng. Using a modified asphalt Starbit E-60, which has a deficient penetration value, is expected to provide better stability to compensate for the weakness of zeolite stones. A combination of a mixture between a coarse aggregate of zeolite Stones and Andesite is tested until how large the proportion of zeolite stones of such combinations can provide the optimum value to AC-BC layer pavement. This research compares the performance of the AC-BC mixture using zeolite and andesite stones. It determines the feasibility of zeolite's stone, in substituting the andesite stone, in the AC-BC mixture. It is also to know the influence of the use of Starbit E-60 in the AC-BC mixture. The comparison of those performances was referred to as Marshall characteristics, Indirect Tensile Strength (ITS), and Immersion; using Pen asphalt Pen. 60/70 and Starbit E-60 as a binder. Trial mix was applied to the bitumen content variation of 5%, 5.5%, 6%, 6.5%, to determine Optimum Bitumen Content (OBC) by conducting Marshall testing. The variety of substitution zeolite proportions of 0%, 25%, and 75% was made in each trial mix above. The research result showed that the maximum percentage of zeolite aggregate in the mixture using an asphalt Pen 60/70, which meets with specification standard, is 28%, while the mixture using Starbit E-60 is 26%. ITS value decreases as the percentage of zeolite are increased. ITS value of mix with Starbit E-60 is higher than that of mix with asphalt Pen 60/70. Cantabro Loss value increases with zeolite proportion increase, for both mixed with Starbit E-60 and asphalt Pen 60/70. Cantabro loss of mix with Starbit E-60 is lower than that of with asphalt Pen 60/70. IRS value decrease with an increasing proportion of zeolite.
STABILISASI TANAH LEMPUNG MENGGUNAKAN SEMEN DAN ASPAL EMULSI TERHADAP SUBGRADE PERKERASAN JALAN Muhammad Ernadi Ramadhan; Suryo Hapsoro Tri Utomo; Latif Budi Suparma
TEKNISIA Vol. XXV, No. 1, Mei 2020
Publisher : Jurusan Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknisia.vol25.iss1.art1

Abstract

Several causes can cause pavement deterioration; a weak subgrade caused one of them. If the pavement construction was built on the weak subgrade, it could damage pavement construction at the top of the subgrade. Chemical soil stabilization with cement and bitumen emulsion is one of the solutions to improve soil bearing capacity for pavement subgrade construction. The purpose of this study was to analyze the potential use of cement and bitumen emulsion as materials of chemical soil stabilization for pavement subgrade construction. In this study, soil samples were mixed by cement (3%, 6%,9%) and bitumen emulsion (3%,6%) and cured for 0, 3, and 7 days. The mixture of soil, cement, and bitumen emulsion was tested for soil bearing capacity and soil swelling by CBR and soil swelling test based on ASTM D 1883-99. Preliminary test results concluded that the original soil is included in class A-7-5 at the AASHTO classification system, and it is dominated by smectite clay minerals so that the original soil is expansive clay soil. The results of the compaction test reveal that soil stabilization with cement and bitumen emulsion can increase the mass of dry density of the soil. They reduce the optimum moisture content, where the variation of 6% cement and 3% bitumen emulsion can increase the mass of dry density by 1,340 gr / cm3 and reduce the optimum moisture content of 25%. The CBR and swelling test also disclose that soil stabilization with cement and bitumen emulsion increases soil bearing capacity and reduce swelling. The highest CBR values (soaked and unsoaked) are found in the variation of 9% cement and 3% bitumen emulsion cured by seven days, where the value is 56.9% (CBR Soaked) and 44.01% (CBR Unsoaked). The variation of 9% cement and 3% bitumen emulsion also can reduce soil swelling, where the value is 0,13%. CBR values at the variety of 9% cement and 3% bitumen emulsion cured by seven days have met the requirements of the road pavement subgrade based on SNI 03-1744-1989. Based on these tests, the cement and bitumen emulsion can use for soil stabilization material for subgrade pavement construction.
Evaluasi Kinerja Halte Bus Dengan Metode Servqual (Studi Kasus Halte Trans Jogja Trayek 1A, 1B, 2A, Dan 2B) Nur Baskoro Adi; Sigit Priyanto; Siti Malkhamah
TEKNISIA Vol. XXV, No. 1, Mei 2020
Publisher : Jurusan Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknisia.vol25.iss1.art2

Abstract

In 2008, the city of Yogyakarta adopted a buy the service scheme in the Trans Jogja public transport aiming to improve the quality of public transport and reduce congestion. Based on the study of GIZ-SUTIP in 2012, there were several problems in Trans Jogja, including inadequate bus stops and excessive staff numbers. The aim of our study were to evaluate and improve bus stops performance and analyze bus stop service quality according to passenger perceptions. This study is a descriptive study using purposive sampling technique, conducted on 12 Trans Jogja bus stops and 180 respondents. The data obtained were analyzed using MS Excel and SPSS 22 computer program. The results showed that bus stop performance was not good on headways, waiting times, and on-time performance. The clearance time of far-side bus stops was shorten than near-side and mid block bus stops. The near-side and far-side bus stops were accessed by passengers on foot. The service quality of the Trans Jogja shelter does not match the expectations of the passengers with a Gap Servqual value of -0.790. The service attribute was in quadrant C of the Cartesian Diagram, that requires corrective action from the Trans Jogja operator.

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