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JURNAL POLI-TEKNOLOGI
Published by Politeknik Negeri Jakarta
ISSN : 14122782     EISSN : 24079103     DOI : https://doi.org/10.32722/pt.v20i1
Core Subject : Science, Engineering,
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation
Poli-Teknologi Journal is a journal, which began publication in 2002, published by the Research and community service Unit of Politeknik Negeri Jakarta. It starts from Volume 1 Number 1 in January 2022 for printed version; ISSN (print) 1412-2782 and ISSN (online) 2407-9103. Poli-Teknologi Journal is a series of scientific publications in applied science and technology area from the perspective of a multi and interdisciplinary studies and it is published 3 times in year.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 15 Documents
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Search results for , issue "Vol. 19 No. 1 (2020)" : 15 Documents clear
Monitoring Dan Evaluasi Jalan Raya Rawan Longsor Di Kelurahan Tanah Baru Kecamatan Beji Depok Dan Upaya Penanganannya Achmad Nadjam; Budi Damianto
Jurnal Poli-Teknologi Vol. 19 No. 1 (2020)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v19i1.2368

Abstract

The Tanah Baru Depok Road is 4.12 km in length consisting of two lanes connecting the Jakarta-Depok route. Current conditions with a road width of 5.2m during the rainy season on the right side of the new dirt road, there are certain parts of the STA, there are certain road conditions that are cracked and landslides. rainy season. The purpose of this research is to conduct monitoring and evaluation of the handling that has been done on the highway, as well as providing these results to make planning for the prevention of landslide prone roads. Stages of methods to be carried out during monitoring are identification of landslide hazard locations (not / moderate / already handled), identification of causes of landslides, identification of consequences, morphological analysis, geology, hydrology, and land use. Whereas in the evaluation stage is the analysis of the handling that has been done and the determination of new treatments. The results of monitoring and evaluation are there are 5 locations on STA Km 3 + 240 and STA Km 3 + 650 landslides, STA Km 1 + 970 and STA Km 2 + 450 potential landslides, STA Km 3 + 840 have dangerous roadside because there is no road divider. Countermeasures for landslide areas are carried out by installing a retaining construction on the right side of the road that intersects the river in the form of a cantilever wall. +840 mounted guardrail to prevent vehicles from entering the river bank..
Peningkatan Kualitas Lingkungan Daerah Aliran Sungai Solo Berbasis Interactive Participation Rr Diah Nugraheni Setyowati
Jurnal Poli-Teknologi Vol. 19 No. 1 (2020)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v19i1.2401

Abstract

The river has a strategic role as a buffer for people's life so that the quality of the river affects surrounding environment. The development in various fields was a change in land use and environmental damage that caused a decrease in the hydrological function of the watershed and a decrease in environmental quality. The decline in environmental quality has not received special attention from both the government and the surrounding community, therefore an effort to improve the quality of the environment based on interactive participation is needed. The method used in this research is descriptive qualitative, so that in the analysis of problems and making models which are the final results of the study will be based on qualitative analysis. The research phase starts with the identification of the problem, then continues the process of collecting primary and secondary data. After the data is fulfilled, an analysis process is carried out which results in a simple design of an interactive participation-based community empowerment model. Based on the results of data analysis, the Solo DAS is in a critical condition, where the conditions describe the number of hydrological disasters that occurred. Land use in Solo watershed has changed, currently, the land is dominated by rice fields (irrigation and rainfed), gardens, fields and settlements. The maximum daily rainfall in Solo watershed is around 73 - 186 mm/ day, supported by relatively flat landforms, so it can be concluded that the Solo watershed is a flood-prone area. From the results of data analysis, it was also found that the higher the level of education, the higher the level of awareness in maintaining and improving the quality of the environment. The level of community education in the Solo DAS is quite good, so that appropriate community empowerment is interactive participation. The great opportunity for the community to be directly involved shows that the appropriate model of interactive participation empowerment is the Bottom Up model.
Pengaruh Karakteristik Pekerjaan Dan Stres Kerja Terhadap Keinginan Pindah Tempat Kerja Pada Pekerja Proyek Konstruksi Fajar Susilowati; Tri Widya Swastika
Jurnal Poli-Teknologi Vol. 19 No. 1 (2020)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v19i1.2402

Abstract

Human resources are seen as an essential asset in a company because man is a dynamic resource and always needed in every process of production of goods and services. Therefore, this research was performed to analyze the influence of Jobs’ Characteristics and Work Stress on Turnover Intention. This research uses Quantitative Data by Questionnaire Method. The result of data processing shows that Work Stress has a stronger influence on Turnover Intention than Jobs Characteristics. Both of these variables impact amounted to 0.65 of the employee turnover intentions. It can calculate that determination coefficient 42.3%, which means that the variable Jobs Characteristic and Work Stress have contributed amounted to 42.3% of the employee turnover intentions, while other variables determine 57.7%. The indicator most influence on turnover intention in construction employees was the differences in value between the company and its employees. 
Analisis Karakteristik Pengguna Bus BSD Link Untuk Desain Koridor Baru Menggunakan Model Permintaan Perjalanan Verdy Ananda Upa; Rahmat Setyadi
Jurnal Poli-Teknologi Vol. 19 No. 1 (2020)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v19i1.2435

Abstract

Bumi Serpong Damai (BSD) is one of self contained city in Jabodetabek district. Sinarmas as developer of BSD started to develope the Mass Rapid Transit which special operated on that. Concept of MRT has been operated in the form of Bus Rapid Transit. A new BRT corridor implementation need a Passenger Demand Prediction . Thus, a special BRT Passenger Demand Modelling Method for a new BRT Line need to be developed. This attempt needs knowledge on the Existing BRT User Trip Characteristics. BSD Link User Trip Characteristics Survey were executed on Corridor Sector 1.3 Greenwich Park, during morning peak hour. The result indicates that the BRT are used mainly for working (63%) and schooling (37%) trips, the BRT passengers are the previous public transport (45%) and motorcycle (55%) users. The trip origin zone is extended 1 km to the left and right of the BSD Link corridor, while the trip destination zone is extended 500 meters to the left and right of the BSD Link corridor. The embarking connecting trip modes are dominated by motorcycle (43%) and walking trip (57%), while the alighting connecting trip modes are dominated by motorcycle (16%) and walking trip (84%) 
Eksperimental Perbandingan Kekuatan Tekan Karakteristik Beton Self Compacting Menggunakan Agregat Kasar Alami Dan Agregat Kasar Daur Ulang Martinus Pramanata Sapeai; Johannes Adhijoso Tjondro
Jurnal Poli-Teknologi Vol. 19 No. 1 (2020)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v19i1.2698

Abstract

Utilization of recycled concrete waste as an alternative to natural coarse aggregates in this experiment is in accordance with the concept of sustainable construction. Concrete is the main material of structural elements most commonly used in general construction and has properties that are difficult to recycle by themselves naturally. Nowdays concrete innovation with the concept of self compacting (SCC) is widely used especially in high rise building and buildings with special specification. SCC has high flowability properties so that it can flow and compact themselves, but in SCC with normal quality still need compactor. The concept of making test specimens is in accordance with real conditions in the field, where aggregates do not go through a cleaning process. There are four different mix design with the required specified compressive strength of 20 MPa. Mix design 1A (natural coarse) and 1B (recycled coarse aggregates) has a maximum aggregate size 12.50 mm, and mix design 2A (natural coarse) and 2B (recycled coarse aggregates) has a maximum aggregate size 19.00 mm. This experimental results in specified compressive strength concrete for mix design 1A, 1B, 2A, and 2B as follows: 30.93 MPa, 26.21 MPa, 30.82 MPa and 27.60 MPa. Therefore, recycled concrete aggregates can be alternative to natural coarse aggregates and can also be made into concrete with the SCC concept.
Perkiraan Tinggi Standar Lantai Jembatan Terhadap Pengaruh Muka Air Banjir Mursid Mufti Ahmad; Deny Yatmadi
Jurnal Poli-Teknologi Vol. 19 No. 1 (2020)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v19i1.2722

Abstract

One of the bridge crossing of the Ciliwung River at the upstream side entered DKI-Jakarta area is MT. Haryono Bridge, where the bridge has the heavy and jam traffics. Every rainy season, water level of Ciliwung River flood always increase, where the peak point of the flood was occured on February in 2007, the water level exceeded the bridge deck level.  Therefore, it would be necessary to determine a height standard of the bridge deck of MT.Haryono bridge against to the water level of Ciliwung River when the peak flood occured, the existing of the elevation at the below of the bridge deck is + 18.50 meter and the elevation above the bridge deck is + 19.50 meter. Hydrology analysis using Log Pearson type III performed to determine the data of average daily and yearly rainfall around of catchment area of Ciliwung River with using the water level control point near Kalibata Bridge and the flood hydrograf was calculated using synthetic hydrograph method from Nakayasu. Hydraulic analysis utilized the of HEC-RAS software (4.1) using the maximum value of hydrograph unit and consists of two simulations, where the first is simulation of calibration model of Ciliwung River at the upstream side based on the flood occured on February 04th 2007 (called as Q2007) and the second simulation using some scenarios for some return period of 2, 5, 10, 20,50, 100 years. Every result of both simulations generates the height of bridge deck from the water level of flood according to the exsisting requirements. From these results, it could be determined the elevation of bridge deck for return period of flood for the peak flood 2007 and for 2, 5, 10, 20, 50, 100 yearly, and, such as +19.50, +20.50, +21.00,  +21.10, +21.80, + 22.10 dan 22.00 meter.
Penyediaan Tempat Istirahat Pada Jalan Umum Melalui Corporate Social Responsibiliy Hendra Hendrawan
Jurnal Poli-Teknologi Vol. 19 No. 1 (2020)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v19i1.2723

Abstract

Rest Areas on non toll roads are road equipment that are not directly related to road users whose primary function is to reduce the number of accidents caused by driver and vehicle fatigue. This is in accordance with the agenda of the National General Plan of Road Safety (RUNK) to provide preventive infrastructure against potential accidents. To provide safe, convenient, secure, and sustainable rest areas, the government is faced with funding constraints. In the implementation, the construction of rest areas require funds that are not little, especially for land procurement and physical infrastructure development. For that reason, funding alternative is needed through Corporate Social Responsibility. This paper aimed to examine the feasibility of rest areas development through Corporate Social Responsibility by considering the aspect of legality and potential problems. The method used was literature review which included the aspects of feasibility, legality, and mechanism. The results showed that the rest areas can be part of Corporate Social Responsibility. The results of the study also indicated the need for additional tools in the form of regulations and guidelines to govern the partnership pattern so that development through this mechanism is well-running, supervised, and accountable
Cover Politeknologi Vol 19 No 1 Januari 2020 Tim Editor Tim Editor
Jurnal Poli-Teknologi Vol. 19 No. 1 (2020)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v19i1.2724

Abstract

Analisis Keterlambatan Pada Proyek Apartemen Berkonsep Transit Oriented Development (TOD) Bagas Prawiro Dwiputranto; I Ketut Sucita
Jurnal Poli-Teknologi Vol. 19 No. 1 (2020)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v19i1.2726

Abstract

The problem in the The Conexio Cikunir 1 Apartment project which has the concept of Transit Oriented Development (TOD) was had delayed, which should have been 100% contractually completed, but only 46.231% have been realized. Based on these percentages, required an analysis of the dominant factors that causes of delayed in this project. This study has purpose to determine the dominant factor influencing the variables causing project delayed. Questionnaires were distributed to the respondents consisting of the contractors, owners and supervisory consultants involved in the apartment construction project. The results of the questionnaires were processed using SPSS 25 software. The data analysis method used is multiple linear regression method. The results of the research shows that factors which fulfilled on the partial test (t test) and has a significant influence is document of works variable (5.792 ) . This value has the highest rank of significance value for project delayed. Futhermore is planning & scheduling variable (2,805), equipments variable (2,482), managerial variable (2.324), materials variable (2,248), and external factors variable (2.094). The result of Adjusted R Square of 62.70% shows that the Factors that Causes of Delayed can affect the Project Delay variable by 62.70%, while the remaining 37.30% is affected by other variables not examined in this study.
T Ikatan Baja Tulangan Pada Beton Pond Ash Sebagai Pengganti Sebagian Pasir Tumingan Tumingan; Salma Alwi
Jurnal Poli-Teknologi Vol. 19 No. 1 (2020)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v19i1.2730

Abstract

Pond ash concrete bond is expected to increase bond strength, because in previous studies pond ash concrete resulted in increased mechanical properties of concrete. Bond strength is the bonding mechanism between steel reinforcement and concrete in reinforced concrete construction as the main tool to transfer internal strength between reinforcement and concrete. In this study, a total of thirty-six cylinder concrete with a diameter of 15 cm and a height of 30 cm. Variations of the test parameters are three reinforcement diameters of 12 mm, 16 mm and 25 mm and two types of reinforcement namely plain reinforcement and deform reinforcement for normal concrete and pond ash concrete, using a 25 MPa normal concrete mix design and water cement ratio of 0.52. The results showed that the increase in bond strength on the plain reinforcement from 84.49 kg/cm2 to 91.33 kg/cm2 an increase of 8.09%, while for deform reinforcement there was in increase from 119.70 kg/cm2 in concrete normal to 131.32 kg/cm2 an increase of 9.71% in pond ash concrete. Split collapse occurs in deform reinforcement, whereas in plain reinforcement, slip collapse occurs. 

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