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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 208 Documents
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Evaluasi Ruang Rawat Inap (Ranap) pada Bangunan Gedung Rumah Sakit Kelas D (Studi Kasus Rumah Sakit Umum Daerah Kertasari Kabupaten Bandung) Komaludin, Kamal; Ilhamdaniah, Ilhamdaniah; Widaningsih, Lilis
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 1 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i1.15932

Abstract

Patient care in a Class D hospital care facility involves a very important physical environment and is a crucial part of facilitating healing. Apart from that, this environment also has a significant relationship with psychological aspects that can support the acceleration of the patient's recovery process. One of the factors causing patients to experience boredom and a slow recovery process is the uncomfortable environment of the treatment area (inpatient), so that the healing process will be hampered. This study is an architectural critique of inpatient care in a built class D hospital, evaluated by the literature review that has been presented to obtain a conclusion that can be used to carry out architectural criticism in the form of recommendations or input for better architectural design work. This study uses a normative critical method with a derivative type of measurable method to analyze the structural and architectural design of inpatient rooms at the Kertasari Hospital, Bandung Regency. The results of the discussion were 72.72% in accordance with standards, 27.28% were not in accordance so they needed improvement and required quality improvement. This increase can be translated into renovation activities, or changes to the interior layout to comply with regulations, and aspects of health facility space/building requirements.
Analisis Tingkat Kebutuhan Pekerja Level Menengah Proyek Konstruksi (Studi Kasus: 3 Proyek Gedung di Jakarta Barat) Irfanto, Ryobi; Salim, Felicia Devita
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 1 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i1.16135

Abstract

The motivation of the workers influences the results of project work. The cause can be identified by knowing the level of needs of the workers. One way to find out the level of needs of workers is with Abraham Maslow's theory of needs. Abraham Maslow's ranking of needs consists of 5 levels of basic human needs, sequentially from the lowest level, namely physiological needs, safety, love and affection, esteem, and self-actualization. This study aims to analyze the level of needs for mid-level construction workers at Building Project in West Jakarta which affects the motivation of construction project workers. The research method used is a questionnaire to middle-level workers from three project. Data processing and literature analysis were carried out when the questionnaire indicators based on the literature were obtained on the 5 needs ratings. The results obtained from the questionnaire are that the most influential need factors for middle-level workers are support from family to workers, bonuses, good health programs, relations between co-workers, and overtime pay increased. By improving communication on the factors of need for support from family and good relations between co-workers, rewards on the factors of bonuses and overtime pay, last is guarantees a good health program on the factors of the work environment
Perencanaan Perkerasan Jalan dengan Metode Manual Desain Perkerasan (MDP) (Studi Kasus: Jalan Poncowati – Purnama Tunggal Kabupaten Lampung Tengah) Krisnanda, Rico; Wisman, Mira; Oktarina, Devi
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 1 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i1.16388

Abstract

Increasing population leads to increased access needs roads as a means to move from a place. It takes a path feasible so that there are no obstacles that occur, it is expected to do road planning using pavement design Manual method (MDP) 2017 to get a design that is in accordance with its designation. This research done with the aim of knowing the existing condition of the road and determine design optimal pavement planning to fit the existing conditions on the road Poncowati-Purnama Tunggal Lampung Tengah Regency because on the road there are many public facilities needed people and road conditions are quite damaged. Research methods by means of calculate the volume of vehicle traffic and require primary data in the form of survey results of existing road conditions, and soil bearing capacity by using (Dynamic Cone Penetrometer) DCP. Secondary Data used is data (Average daily traffic) LHR. The results obtained carrying capacity conditions the soil is quite good with the smallest CBR results of 20.03 so it does not need improvement of subgrade condition on Poncowati-Purnama Tunggal road. Road conditions have been damaged and need to be repaired by using flexible pavement based on ESA calculation results Rank 4 and pavement design selection table in pavement design Manual (MDP) 2017, with the thickness of the upper foundation layer (LFA) 400 mm, Asphaltic Concrete Binder Course (AC-BC) 60 mm, and asphalt Concrete Wearing Course (AC-WC) 40 mm based on the calculation of ESA Power 5 and using reference to the design table in the pavement design Manual (MDP) 2017. There is a repair of total damage (reconstruction). Budget plan (RAB) wich estimate at Rp.9.291.416.000,-
Pengaruh Berat Volume terhadap Sifat Fisis dan Mekanis Bata Ringan CLC Sutandar, Erwin
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 1 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i1.16393

Abstract

To reduce the weight of a structure for the purposes of lightweight construction on clay (soft) and peat, an innovation is required. Priority one is the self-weight of the structure. A method for reducing the weight of construction is to reduce the weight of the wall, particularly the wall made of red brick, which weighs 1500 kg/m3 s/d 2000 kg/m3, and cement brick, which weighs 950 kg/m3 s/d 1000 kg/m3. Then came the innovation of CLC lightweight concrete bricks, as the technology is so simple that small to medium-sized businesses can produce them. In addition to comparatively accessible raw materials, this technology is also more environmentally benign (green technology). CLC (Cellular Lightweight Concrete) is produced by combining cement, sediment, water, chemical admixture, and infill material consisting of air-produced foam such as micro-sized detergent foam (micro bubbles) or foam agent. Based on the research conducted with varying amounts of foam, the lightweight concrete brick weighs only 400 kg/m3 s/d 1200 kg / m3. When compared to red bricks and cement bricks, the weight of lightweight concrete bricks is nearly half that of red bricks and cement bricks. As a consequence of a decrease in the volume of the bataringan's weight, the pressure has diminished. And the batringan's physical and mechanical properties will also change
Analisis Pemilihan Moda Transportasi Bagi Mahasiswa Universitas Sultan Ageng Tirtayasa Priambodho, Bambang Adhi; Asyiah, Siti; Bethary, Rindu Twidi; Setiawati, Dwi Novi; Takimai, Kristina
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 1 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i1.16446

Abstract

Sultan Ageng Tirtayasa University (Untirta) has an increasing number of students every year, causing traffic jams. One way to overcome this problem is to know the characteristics of student movements in traveling, especially in choosing the mode of transportation to be used. This study aims to observe the characteristics of transportation users traveling to campus and to analyze a mode selection model.This research was conducted with data from observations, questionnaire results, literature review, and data processing using the SPSS program with the Stated Preference method and the binomial logit model. The attributes used are cost (X1), travel time (X2), service convenience (X3), safety and security (X4). The results of the survey data The characteristics of the respondents in this study were 68% of the respondents were female with the majority of the age range 21-23 years as much as 71%, more respondents traveled to campus in 20-40 minutes by 46%, the mode of transportation most often used to visit campus is a motorcycle, reaching 54%. Travel time is the factor that most influences the choice of mode of transportation. The reason for choosing a mode is that many respondents choose a mode of transportation based on the fare attribute for private transport, namely 72.1% and for public transportation, namely 27.9%. Based on the time attribute, the probability of students choosing private transportation is 71.2% and public transportation is 28.8%. Based on the convenience attribute, the probability of students choosing private transportation is 71.6% and public transportation is 28.4%. Based on safety and security attributes, the probability of students choosing private transportation is 74% and public transportation is 26%.
Analisis Waktu pada Pekerjaan Tambahan Proyek Pembangunan Gedung PT. Petrokimia Gresik Nurafifah, Nabilah Mawadah; Dewita, Hikma; Sembiring, Kristina
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 1 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i1.16449

Abstract

The time analysis of the additional work of the PT. Petrokimia Gresik Building Construction project aims to determine the delay and acceleration during the implementation of additional work to meet the SLF (Certificate of Functioning) requirements on the work items of emergency stairs, fire extinguisher, GWT and electrical which have a contract value of Rp 3,556,641,848, - with a planned project completion time of 19 weeks located on Jl. Tanah Abang II no. 63, Central Jakarta, DKI Jakarta. In this study using the Earned Value Concept method, which is a method that can analyze time and provide an overview of conditions at the time of realization which includes indicators in the form of BCWS and BCWP. At the time of the implementation of the additional work, in fifth weeks to twelveth seen from the value of the schedule variant (SV) shows a positive number (+) which means the work is carried out faster than planned. However, the evaluation of week 15 to week 17 seen from the schedule variance value (SV) has a negative value (-) which means there is a delay from the plan schedule at the time of implementation. But the delay did not really affect the project completion time at the end because previously there was an acceleration of work. At the end of the SPI calculation, it has a value of 1 = 1, which means that the work implementation time is in accordance with the planned time of 19 weeks.
Analisis Program Keselamatan dan Kesehatan Kerja (K3) serta Pengaruh terhadap Keberhasilan Proyek Pembangunan Gedung PT. Petrokimia Gresik Zulma, Nabillah; Dewita, Hikma; Sembiring, Kristina
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 1 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i1.16450

Abstract

The Occupational Safety and Health (K3) program is very important in implementing building projects. The possibility of work-related accidents and illnesses is often caused by the contractor's failure to implement the program (K3) as intended. A project can be said to be successful if there are no serious accidents or zero accidents. When implementing a building project, it is important to utilize an effective safety and health management system during construction (SMK3). The aim of this research is to understand SMK3 procedures, determine the impact of implementing SMK3, and determine the main factors that influence the success of PT projects. Petrokimia Gresik regarding building construction. This research is quantitative research using two methods, namely assessment based on Key Performance Indicators (KPI) and data analysis using the multiple linear regression method. The data collection method was through distributing questionnaires and the instrument used was a Likert scale. After conducting an assessment based on the Key Performance Indicator (KPI), the implementation of SMK3 in the PT building construction project. Petrochemicals are in line with targets. Furthermore, the research results show that the influence of occupational safety and health (K3) has a positive impact on achieving PT project objectives. Petrochemicals are affected by safety and health issues which have an impact on better implementation of SMK3. The dominant factor that influences project success based on the variables studied is occupational health.
The Effect of Coconut Fibre on the Compressive and Tensile Strength of Geopolymer Concrete Burhanudin, Irsyad; Setiawan, Agustinus Agus
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 1 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i1.16456

Abstract

This research aims to evaluate the impact of adding coconut fiber on the compressive and tensile strengths of geopolymer concrete. The study utilized geopolymer concrete composed of a mixture of fly ash and coconut coir fiber. The research variables included the percentage of coconut coir fiber in the geopolymer concrete mix, namely 0%, 0.25%, 0.50%, and 1%. Data collection involved the fabrication of geopolymer concrete, testing of coarse and fine aggregates, and aggregate sieve analysis. The results of this study are expected to provide insights into the potential of coconut fiber in enhancing the quality of geopolymer concrete. The analysis revealed that the addition of coconut fiber can increase the tensile strength of geopolymer concrete, with a peak enhancement of 32.52% observed at the optimal proportion of 0.5%. Conversely, at 1%, a decrease of 4.64% in tensile strength was noted. Furthermore, the compressive strength of geopolymer concrete experienced improvement up to a proportion of 0.5%, showing an increase of 48.79%. However, at 1%, the tensile strength decreased by 12.43%. Therefore, the 0.5% proportion of coconut fiber is considered optimal for enhancing both tensile and compressive strengths of geopolymer concrete. This research contributes to expanding the understanding of coconut fiber usage in geopolymer concrete and provides recommendations regarding the optimal proportion of coconut fiber in the geopolymer concrete mix.
Analisis Produktivitas Tenaga Kerja Pada Pekerjaan Pile Cap Menggunakan Macro VBA Kombong, Eka Priska
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 1 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i1.16587

Abstract

Increased development is directly proportional to the absorption of labour in the construction sector. Nevertheless, the large number of workers does not guarantee the quality and productivity of a job. Labor productivity is the first indicator to assess the success of construction work so it needs to be analysed. This study aims to calculate the productivity of labours on pile cap for the construction of the Manohara Hotel, Yogyakarta, using Monte Carlo simulations and the Macro VBA program. The results of the analysis are divided into three parts, among others: the work productivity of the work floor, the installation of bricks as pile cap walls and the work of pile cap reinforcement. In general, the results of the study show that the productivity of the pile cap work is quite good, where the productivity of the work floor is 0.22 m3/hour with an average idle time of 12 minutes or an average worker break of 13.04% during the working time from 18.30–20.00 WIB; the lowest brick installation productivity was 12.38 bricks/hour with an idle average of 8.3 minutes or 14.27% during processing time from 15.30-16.30 WIB; and the lowest reinforcement installation productivity is in the bottom reinforcement work of 60 reinforcement/hour with an average idle of 10.69 minutes or an ineffective worker time of 50.8% of the total work time.
Integrasi Sistem Transportasi Publik sebagai Penunjang Sektor Pariwisata Badung Selatan Putri, Dewa Ayu Putu Adhiya Garini; Putrawan, Ni Wayan Karishma Vidya Poedja
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 1 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i1.16622

Abstract

Badung Regency is currently one of the tourism areas that generates travel, this certainly results in a high economic turnover which has an impact on increasing the number of private vehicles and services to and from the area. This study aims to determine efforts to integrate public transportation systems so that it is expected to improve accessibility and support tourism in South Badung. The research location was carried out in the South Badung area targeting Metro Dewata bus public transportation users.This research uses quantitative methods with the approach of perceptions and preferences of public transportation users who are more concerned with quality service analysis and importance-performance analysis. Based on the results of the study, it is known that respondents are still dissatisfied with the quality of service of the current integration of the public transportation system as evidenced by the servqual value of all integration still less than 0 and the level of conformity which is still below 100% so that it needs to be improved and adjusted again the quality of service. This can be done by developing a public transportation system integration strategy. The variable type of integration of the public transportation system that is prioritized for handling is physical integration, which has a servqual value of -1.082 with a suitability level of 73.846% and is in quadrant III of the Cartesian diagram. This can also be evidenced by the physical condition of public transportation stops and terminals in several places that are inadequate so that users still feel less comfortable and effective.

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