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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 137 Documents
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PEMETAAN RISIKO SEBAGAI DASAR UNTUK MITIGASI BENCANA TANAH LONGSOR DI DESA MUNTUK KABUPATEN BANTUL Sri Aminatun
TEKNISIA Vol. XXIII, No. 2, November 2018
Publisher : Jurusan Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Universitas Islam Indonesia

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Abstract

Muntuk Village Dlingo District Bantul Regency is one of the villages that are vulnerable to landslides located on the topography of the ridge to the hills in the eastern region of Bantul Regency. In each rainy season some areas in the village of Muntuk landslides occurred. Based on the map of Landslides Prone Area from the Regional Disaster Management Agency, Muntuk Village is one of the villages in Bantul Regency that has steep slopes, so it has high potential for landslides, one of the ways to mitigate the landslide disaster is to assess and analyze the risk of landslide disaster in detail. This study aims to identify the homes of residents who are in landslide threat zone, be it a high threat zone or medium threat zone. The method used in this research is descriptive method with qualitative approach combined with quantitative method used to give a clear picture about the number of houses in each zonation. Sources of data used are primary and secondary data sources through interviews and documentation. The results of this study indicate that 1) the number of households in the high risk zone is 116 houses, in the hight hazard zone is 160 houses. 2) The village of Muntuk has a high threat, medium to high vulnerability, and medium capacity, which means having a medium to high risk. 3) Recommended infrastructure development for disaster mitigation.
PENGARUH BANTALAN KARET TERHADAP MOMEN YANG TERJADI PADA LINK SLAB BETON Andi Rahmat
TEKNISIA Vol. XXIV, No. 2, November 2019
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.vol24.iss2.art3

Abstract

The use of link slab as a substitute for expansion joints is one of the innovations that can provide benefits for bridge life, user comfort, and maintenance cost efficiency. Link slab is a slab placed on the upper surface of the adjacent girder end which forms a continuous slab system with the slab deck. In the transition zone, link slab and girder are installed in hard rubber and soft rubber pads at some thick variations in each type of rubber. Moment on the link slab is obtained due to the effect of traffic load according to SNI 1725: 2016 with the condition of the link slab without and with rubber pads. The study of the use of link slab in this paper is carried out in a numerical approach on a finite element software-Abaqus. Link slab is modeled as a 3D solid model in compressive concrete variations. In this study, the addition of hard rubber pads on link slab can reduce the magnitude of moments compared to link slab without rubber pads. This is indicated by the percentage reduction moment between 39,20-83,42% on LS-1, LS-2, and LS-3 hard rubber pads with thichness 10 mm, 20 mm and 30 mm. While on link slab with soft rubber pads is found that moments are greater at the very thick pads  This is indicated by the percentage difference in moments between 198,26 – 244,58% on LS-1, LS-2, and LS-3 soft rubber pads with thickness 10 mm, 20 mm and 30 mm. This large difference is due to the effect of moment change from negative moments (initial conditions) to positive moments after the addition of soft rubber pads.
MODEL HUBUNGAN ANTARA KONDISI FUNGSIONAL DAN KONDISI STRUKTURAL SEBAGAI ESTIMASI KONDISI PERKERASAN PADA JALAN NASIONAL DI SULAWESI SELATAN DAN KALIMANTAN SELATAN Androsario Sarimuda Wasta; Miftahul Fauziah; Subarkah Subarkah
TEKNISIA Vol. XXIV, No. 1, Mei 2019
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.vol24.iss1.art4

Abstract

Evaluation of correlations regression between functional condition roads and structural condition of the pavement needs to be implemented, a result of condition handling the maintenance of roads in the province of South Sulawesi and South Kalimantan are still less accurate because the determination of handling is only determined from one of the condition steadiness of road, Data used to facilitate this research is secondary to data obtained in 2014, in which secondary data obtained from Balai Besar Pelaksanaan Jalan Nasional (BBPJN) and Balai Pelaksanaan Jalan Nasional (BPJN). Flexible pavement conditions on the roads of research in South Kalimantan Province, shows the surface roughness (IRI) has a the level of correlation conditions that reasonably represen the  elastic modulus of surface layer (E1), but the surface roughness (IRI) has a level of correlation that less represents the  elastic modulus of base layer (E2 ), while a different result is also shown by the surface roughness (IRI) can not represent the  elastic modulus of subbase layer (E3) and the  elastic modulus of subgrade layer (E4). While the condition of pavement flexible on the roads of research in South Sulawesi province, shows the surface roughness (IRI) has a level of correlation conditions that already represents the elastic modulus of surface layer (E1), but the surface roughness (IRI) has a level of correlation that reasonably represents the elastic modulus of base layer ( E2), while a different result is also shown by the surface roughness (IRI) is less representative of the elastic modulus of subbase layer (E3) and the elastic modulus of subgrade layer (E4). The difference correlation of regression relationship model’s between the functional conditions and the structural conditions for all the roads, indicated the influence of the type of pavement layers and pavement layer thickness all layer of of pavement for all the roads.
PEMANFAATAN LIMBAH KORAN DAN ABU TERBANG SEBAGAI BAHAN CAMPURAN DINDING PANEL DENGAN PERKUATAN WIRE MESH Mochammad Nur Huda; Mochamad Teguh
TEKNISIA Vol. XXIII, No. 2, November 2018
Publisher : Jurusan Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Universitas Islam Indonesia

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Abstract

In general, Construction used a bricks, concrete bricks, or hebel as one of the wall materials.  One another alternative is the panel wall. The panel wall is a unit of severals concrete blocks and it arranged in such a way that it becomes a wall. The purpose of this study was to determine the strength of the wall panels made of papercrete. The wall panel of the papercrete can be obtained by mixing pulp, fly ash, and sand with cement paste as an adhesive material and then manually printed on a formwork with a sample in the form of cubes with a size (555) cm3 for concrete paper testing. Whereas in the wall sample, in the form of beam size (50505) cm3 for the test of compressive strength, size (100505) cm3 for flexural test, and size (1201205) cm3 for diagonal shear test. The composition used (Portland Cement : Sand : Paper : Fly ash) is (1:3:0,25:0), (1:3:0,25:0,2), (1:3 0,5:0,2), (1:3:0 ,5:0,4). Each wall sample was given reinforcement in the form of wire mesh with 2 types of placement, namely a single wire located in the middle of the span and two wires installed between the layer of the papercrete span. From the test results obtained an average volume weight ranged from 1,965 to 2,068 grams / cm3, with the highest papercrete compressive strength in the sample (1:3:0,25:0,2) of 15,619 MPa. In wall testing, the highest compressive strength was found in samples with single wire mesh reinforcement with an average of 12,31 MPa. The highest flexural strength in the sample with double wire mesh reinforcement of 3,573 MPa. In the diagonal shear strength test the highest results were obtained in the sample with a double wire mesh reinforcement of 2,587 MPa.
SIMULASI NUMERIK FINITE ELEMENT METHOD (FEM) UNTUK OPTIMALISASI PENAMPANG U-DITCH 2 m TERHADAP PELAKSANAAN HANDLING Malik Mushthofa
TEKNISIA Vol. XXIV, No. 2, November 2019
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.vol24.iss2.art4

Abstract

Increasing of precast concrete usage in many sectors automatically spur fabricators to improve their products quality. Related to that, the application of u-ditch type 2 m domestic product, during product handling (when concrete was 7 hours old) many cracks occurs at the section. Therefore, this optimization aim to improve the product quality. In addition, this optimization also supports to increase production capacity due to the reinforcement volume. The results obtained from FEM simulation, stress distribution is more favorable in the modified cross section. Stress distribution of the section inner corner (cracks zone of existing section), turn from tension become compression and then turn again to tension. Meanwhile, modified section give different stress distribution, stress transition from compression turn back again to tension not happen here. While the evaluation due to the strain value, the modified cross section gives a smaller strain value than the existing cross section strain. In addition, this optimization results in a decrease in reinforcement volume by 10.54%.
DAMPAK PETUGAS PENGATUR LALU LINTAS TERHADAP KINERJA SIMPANG 4 TAK BERSINYAL LEMBAH UGM, YOGYAKARTA Verawanti Verawanti; Prima Juanita Romadhona
TEKNISIA Vol. XXIV, No. 1, Mei 2019
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.vol24.iss1.art5

Abstract

The arrangement of peak traffic flow in unsignalized intersections usually carried out by illegal traffic wardens (PTR) and legal traffic wardens (PR).Additionally, traffic management implemented by PTR and PR only during peak hours. This research was executed in4 unsignalized Intersection at Agro street – Bougenville street (Lembah UGM), Sleman. The high traffic volume without the arrangement at the intersection caused traffic jam, so the performance level decreased. This study aimed to determine the impact of PTR and PR and find out alternative solutions at the intersection. The methods for obtaining primary data were by surveying traffic volume data, vehicle speed data, queue length data, driving behaviours andgeometry in the field. The data analysis in this study used VISSIM 9.0.The intersection condition without traffic management of wardenshad delay as much as 21,93 seconds with level of service (LOS) C. Intersections management with PTR produced a value of intersection delay was 30,02 seconds with level of service (LOS) D. Intersections management with PR produced a value of intersection delay was 29,20 seconds with level of service (LOS) D. This result showed that the performance of the intersections in all conditions were worse conditions. The alternative solution in this research was traffic signal with average delay value was 30,31 seconds with level of service (LOS) D. Hopefully, management intersections with traffic signals could reduce accidents risk at intersections.
OPTIMALISASI BIAYA DAN WAKTU PROYEK MENGGUNAKAN METODE CRASHING DENGAN PENAMBAHAN WAKTU KERJA (LEMBUR) DAN SISTEM KERJA SHIFT Adityawan Sigit
TEKNISIA Vol. XXIII, No. 2, November 2018
Publisher : Jurusan Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Universitas Islam Indonesia

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Abstract

On every project construction often found problem about delay work project, this happen consequence existence difference condition location project, change design, weather or error in planning project. Consequence from delay work project this happen accretion cost project and project finished through from the planned time. Development Project and Development of Magelang Type B Hospital located on Jl. Raya Magelang -Yogyakarta, Mungkidan, Village Danurejo, District Mertoyudan, Regency Magelang, Central Java is project development and development House sick beforehand. Moment implementation development project experience delay because of factor where the climate the beginning of the implementation process project enter season rainy day. With existence problem that is then will do analysis schedule construction with use PDM method ( Precedence Diagram Method ) on Development Project and Development of Magelang Type B Hospital use method acceleration (crashing) with additions time work ( overtime ) 1 hour, 2 hours, 3 hours and working hours shift . Where aim from analysis that is for knowing the total time and cost project and knowing time acceleration (crashing) efficient and costs economical. From the destination research this obtained results analysis in a manner economical cost acceleration (crashing) with working hours more shift economical with total costs project as big as Rp. 13,881,934,901.31 and for optimal duration time project the fastest that is with acceleration (crashing) additional working hours (overtime) 3 hours with duration time project finished for 154 days or 56% more fast from normal duration is 350 days.
PENGARUH SEDIMENTASI TERHADAP KAPASITAS TAMPUNGAN PADA AKHIR UMUR EFEKTIF (T50) WADUK KARIAN Dhanang Samatha Putra
TEKNISIA Vol. XXIV, No. 2, November 2019
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.vol24.iss2.art5

Abstract

Karian Reservoir is one of The National Strategic Projects. Located in Lebak Regency, Banten Province, Karian Reservoir has 207.48 Mm3 effective storage, 46.4 Mm3 dead storage and 50 years lifetime.  In the dam management, one of the problems that often occurs is sedimentation. To overcome this problem, we need to know the sedimentation rate and  distribution pattern of Karian Reservoir for optimalizing the reservoir management. To predict the distribution pattern of the reservoir we use Empirical Area Reduction Methods. The findings of the study show that the sediment volume of the reservoir throughout its effective life is 86.50 Mm3, the new zero elevation is +37.2 m, the remaining dead storage is 7.62 Mm3 and the  remaining effective storage is 167.19 Mm3. This indicates that theoretically the reservoir will work well up to its effective life but the dam sedimentation management must be planned because sediment not only deposit on the dead storage but also on effectife storage.
HUBUNGAN VOLUME, KECEPATAN DAN KEPADATAN LALU LINTAS PADA RUAS JALAN PADJAJARAN (RING ROAD UTARA), SLEMAN Grisela Nurinda Abdi; Sigit Priyanto; Siti Malkamah
TEKNISIA Vol. XXIV, No. 1, Mei 2019
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.vol24.iss1.art6

Abstract

A macroscopic movement of traffic consists of traffic volume, speed and density which are used to evaluate the quality of transportation system. By analysing these three variables, a result which infrom about the condition about a transportation system will be provided. The information from the analysis of the variables shows the condition of the traffic condition through the traffic volume and density. When a road has a bad condition of transportation system, the analysis will describe it through high density of traffic and the maximum traffic volume is exceeded.This research is conducted on Padjajaran Street to evaluate the characteristic of transporatation system on the road.The data, which were collected, consists of traffic volume and spot-speed on every lane of the road. Those were collected on Monday, Wednesday, Saturday and Sunday at peak-hours, which are 6.30am-8.30am, 11am-1pm and 4pm-6pm. The analysis used vehicles classification according to MKJI 1997 and conducted an analysis through several models, which are Greenshield, Greenberg, Underwood and Bell models. By comparing these four models, the best one is chosen and become the model to describe the quality of the transportation system on Padjajaran Street.The best result according to the value of R2 and the analysis of the traffic variables, every lane has their own best model which can be applied. However, most of the lanes are well-modelled using Underwood method. Finally, it comes to a conclusion that Padjajaran Street is classified as urban road.
KUAT TEKAN PANEL DINDING BETON RINGAN EXPANDED POLYSTYRENE DENGAN LAPIS LUAR PAPAN KALSIUM SILIKAT Desi Maryani; Ashar Saputra; Andreas Triwiyono
TEKNISIA Vol. XXIV, No. 1, Mei 2019
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.vol24.iss1.art1

Abstract

The need for housing in Indonesia reaches around 1 million houses per year is the reason behind an increasing demand for building materials. Prefabricated wall panels can be used as alternative building materials that have easy and fast advantages in installation. In addition, the use of precast wall panels will also save labor costs. In this study, expanded polystyrene (EPS) lightweight concrete wall panels were a composite with calcium silicate boards. Furthermore, the unity of these materials are called a sandwich panel. The purpose of this study was to determine the potential use of sandwich panels as structural wall panels in terms of compressive strength. Test specimens were 9 EPS panels measuring 1800x610x75mm; 3 of them were a composite with GRC board, 3 other with GRC board outer layer and bolt connector, and 3 panels without reinforcement. The used calcium silicate board is a trade name of GRC board with a thickness of 4mm. Compressive strength testing is carried out referring to SNI 03-3122-1992 (Fibrous Lightweight Concrete Panel).The test results obtained the compressive strength of PP-T, PGP-T, PGB-T panels in a row of 0.72 MPa, 0.84 MPa, and 1.43 MPa. The pattern of damage to the test object was marked by the release of the outer layer of the GRC board and the wall panel was fractured. It can be concluded that the addition of the GRC board outer layer and bolt connector can increase the compressive strength of the wall panel up to 200%. In contrast, the PP-T, PGP-T, and PGB-T panels do not meet the requirements of SNI 03-3122-1992. The resulted compressive strengths are so low that make the expanded polystyrene concrete panel is not avaiable for bearing wall purpose.

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