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INDONESIA
Jurnal Agregate
Published by Politeknik Negeri Ambon
ISSN : -     EISSN : 29645158     DOI : https://doi.org/10.31959/ja.v2i1
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Transportation
Jurnal Agregate adalah Jurnal yang memberikan informasi ilmiah tentang perkembangan ilmu pengetahuan dan teknologi bidang Struktur, Bahan Bangunan Dan Kegempaan, Teknik Sumber Daya Air, Transportasi, Management Konstruksi, Geoteknikal, Teknik Pantai Dan Tsunami.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 139 Documents
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ANALISIS FAKTOR-FAKTOR PENYEBAB TERJADINYA REWORK PADA PROYEK PEMBANGUNAN HOTEL ZEST AMBON Siti Patimah Daeng Simamang; La Mohammat Saleh; Willem Gaspersz
Journal Agregate Vol. 2 No. 2 (2023): September
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v2i2.1593

Abstract

As a developing country, Indonesia cannot be separated from development and development in all fields, one of which is the construction and development of the construction business sector. The success of a project is largely determined by the good cooperation between the owner and the service provider. If the technical implementation is not good, it will have a bad impact on project performance, one of which is rework. The word rework in the Big Indonesian Dictionary is translated as rework or rework. Rework on construction projects is caused by errors in planning, wrong work procedures, and lack of supervision and can result in several losses, such as cost, time, and quality of work. This research was conducted by interviewing and distributing questionnaires to the construction project of Hotel Zest Ambon as many as 30 respondents. Respondents selected were implementers, supervisors, foremen, and workers. The questionnaires distributed were related to the factors causing the rework on the Zest Ambon Hotel construction project, which is located on Jl. Imam Bonjol, Kel Ahusen, Sirimau, Ambon City. Then the research results were processed using SPSS 26, using 4 methods of analysis, namely validity test, reliability test, descriptive analysis, and factor analysis to get the factors causing the rework and the dominant factors causing the rework. The results of the research show that there are three factors that cause rework, namely design and documentation factors with a mean value of 4.53, resource factors with a mean value of 4.37, and managerial factors with a mean value of 3.80. And the dominant factor is the design and documentation factor with Eigenvalues ​​> 1, which is 1.50.
ANALISIS PENGARUH SUHU CAMPURAN AC-WC TERHADAP BERAT JENIS PEKERJAAN JALAN TANIWEL-SALEMAN PULAU SERAM Rumbia, Najar; Huwae, David Daniel Marthin; Talakua, Elisabeth
Journal Agregate Vol. 2 No. 2 (2023): September
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v2i2.1604

Abstract

This condition causes the asphalt mixture to be unable to be overlaid on the road work site because the temperature of the mixture is below the overlay and compaction temperature. According to the provisions of the asphalt mixture that has experienced a decrease in temperature can no loger be used. But the reality that happens a lot in the field is that sanding is still done and followed by the next stage, namely compaction. Therefore, it is necessary to conduct research on the effect of heating on the concrete asphalt layer mixture, namely hot rolled sheet-Base (HRS-Base). The method used, the effect of AC-WC asphalt mixture temperature on the specific gravity of road work is . From yhe results of the marshall analysis, the value of marshall parameters that meet the requirements is in the range of asphalt content 4.50-5.80 so that the optimum asphalt content is obtained at the middle value of the limit range above is 5.12%. Comparison of asphalt temperature to field temperature and lab asphalt temperature. The asphalt temperature in the lab is 5.5% asphalt content and the asphalt temperature used in the lab is 160°C, 150°C, 140°C, 130°C, while the asphalt content used in the field is 5.0% asphalt content and the asphalt temperature used in the field is 125°C, 135°C, 140°C, 145°C. Further research needs to be carried out in the form of marshall soaking tests with the intention of measuring the durability of the binding/adhesion of asphalt mixtures to the influence of temperature.
PRODUKTIVITAS TENAGA KERJA PADA PROYEK PEMBANGUNAN REVITALISASI DAN PENGEMBANGAN ASRAMA HAJI WAIHERU AMBON Talaohu, Tomabuji; Sahusilawane, Tonny; Abdin, Maslan
Journal Agregate Vol. 2 No. 2 (2023): September
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v2i2.1679

Abstract

The revitalization and construction of the Waiheru Ambon hajj dormitory building, the method used in this research is the validation test, reliability test, f test and t test using the SPSS V16 tool where in this method the questionnaire data will be obtained which will then be analyzed with the SPSS V16 tool. The research results were obtained based on the results of data analysis that has been carried out to solve the problem in this research where when conducting research on project implementation such as column casting work, it is often found that the workforce is not effective and efficient when pressing the vibrator so that when dismantling the formwork you can see many columns. which is corroded, then obtained: 1) The positive influence between competence on labor productivity can be seen from the t-count of  5.149 > t-table 1.724 and sig value = 0.000 < 0.05 which means that competence is very influential in influencing labor productivity. 2) The positive effect between skills on labor productivity can be seen from the t-count of 3.732 > t table 1.724 and sig value = 0.001 < 0.05 which means that skills is very influential in influencing labor productivity. 3) The positive effect of work discipline on labor productivity can be seen from the t-count of 11.992 > t-table 1.724 and sig value = 0.000 < 0.05 which means that work discipline is very influential in influencing labor productivity. 4) The positive influence between the level of income on labor productivity can be seen from the t-count 3.968 > t-table 1.724 and sig value = 0.001 < 0.05 which means that the level of income is very influential in influencing labor productivity. 
PENGARUH TENAGA KERJA TERHADAP PRODUKTIVITAS PROYEK PEMBANGUNAN GEDUNG POLIKLINIK FAKULTAS KEDOKTERAN UNIVERSITAS PATTIMURA AMBON Assel, Mei Salsabila; Selly Metekohy; Langi, Jeffrey Payung
Journal Agregate Vol. 2 No. 2 (2023): September
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v2i2.1695

Abstract

A construction project is a series of activities related to the process of building an infrastructure with a predetermined time limit to estimate the time required to complete the project. In project planning, of course, work productivity must be considered. Especially on factors that can affect work productivity such as age factor, education factor and experience factor. The Polyclinic Building Project, Faculty of Medicine, Pattimura University, Ambon, is one of the government projects that costs up to Rp. 1,711,968,000.00-. The method used in this research is validation test, reliability test, F test and T test using the SPSS V16 tool where in this method the data from the questionnaire will be obtained which will then be analyzed with the SPSS V16 tool. The results obtained. Based on the results of data analysis that has been carried out, it is obtained that 1) the experience factor (X1) has a partial effect on labor productivity in the Polyclinic Building Project, Faculty of Medicine, Pattimura University, Ambon, first floor work, Phase I with a sig value of 0.000 < 0, 05. 2) The age factor (X2) has a partial effect on labor productivity in the Polyclinic Building Project, Faculty of Medicine, Pattimura University, Ambon, on the first floor, with a sig value of 0.000 <0.05. and 3) Educational factor (X3) has a partial effect on labor productivity in the Polyclinic Building Project, Faculty of Medicine, Pattimura University, Ambon, on the first floor, with a sig value of 0.000 <0.05.
ANALISIS FAKTOR PENYEBAB DAN PENANGGULANGAN KERUSAKAN RUAS JALAN BURIA-RIRING KABUPATEN SERAM BAGIAN BARAT Makaruku, Richard; Talakua, Elisabeth; Lewakabessy, Godfried
Journal Agregate Vol. 2 No. 2 (2023): September
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v2i2.1717

Abstract

The Buria-Riring Road section is located in Taniwel District, West Seram Regency, Maluku Province. This road section was built in 2019. However, in the middle of 2021 this road experienced damage. The topographic condition of the road section is in the mountains with many hills and slopes, plus the high level of rainfall means that rainwater that falls directly floods the road body and damages the pavement structure. With this condition, people no longer feel comfortable accessing this road. The purpose of this study is to determine the type of damage that occurs and what factors cause the damage, as well as find solutions to overcome the damage that occurs in the form of planning pavement thickness and planning drainage channel dimensions. The method used for planning the thickness of the flexible pavement is the 2017 Pavement Design Manual and calculating the dimensions of the drainage channels. From the results of the analysis, the type of damage that occurs is the release of grains (Raveling) and the causative factors are not built drainage channels and the carrying capacity of subgrade soils that are less stable. From the calculation results, it is obtained that the thickness of the stabilized subgrade is 175 mm, the aggregate base layer for class B is 100 mm, the base layer for class A aggregate is 200 mm, the burda with an aggregate size of at least 20 mm. And from the results of the calculation of the dimensions of the drainage channel, it is obtained that the width of the base of the channel is 55 cm, the width of the top of the channel is 90 cm and the depth of the channel is 75 cm.
PENGARUH VARIASI TEMPERATUR AIR TERHADAP NILAI KUAT TEKAN BETON David Daniel Huwae; Abraham Tuanakotta; Tutupoho, Itang; Uneputty, Semuel
Journal Agregate Vol. 2 No. 2 (2023): September
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v2i2.1723

Abstract

Concrete is a composite material consisting of elements of coarse aggregate, fine aggregate, cement and water which act chemically (hydraulic), which then binds the grains of aggregate together to form a unified concrete (monolith). This study discusses the effect of variations in water temperature of 100C, 200C, and 300C in the concrete mixture on the compressive strength of structural concrete. It is necessary to monitor the temperature of the water in the concrete mixture to reduce excess heat due to the hydration reaction. The water temperature is set according to the design temperature, namely 100C, 200C and 300C to determine the effect on the compressive strength and workability values. Concrete compressive strength testing was carried out at the age of 3, 7 and 14 days. The number of specimens required is 27 cylindrical samples with a diameter of 15 cm and a height of 30 cm. The results of the slump test at water temperatures of 100C, 200C and 300C the lower the water temperature, the lower the slump value. And for testing At the age of 3.7 and 14 days concrete with a temperature of 100C produces Compressive Strength of 10.76 MPa, 12.17 MPa and 13.87 MPa, respectively, a temperature of 200C produces 12.55 MPa, 14.06 MPa and 16.42 Mpa, while the temperature of 300C produces 14.32 Mpa, 16.04 Mpa and 18.12 Mpa. The results of the compressive strength of concrete aged 28 days were converted from the results of the compressive strength test of concrete aged 7 days from the conversion results obtained that the temperature of 100C produced 17.38 Mpa, 200C produced 20.08 Mpa, 300C produced 22.91 Mpa. It can be concluded that normal temperature is more efficient in terms of compressive strength.
TINJAUAN TEBAL LAPIS PERKERASAN LENTUR DAN BANGUNAN PELENGKAP RUAS JALAN DESA LAYENI KABUPATEN MALUKU TENGAH Latan, Alberth; Talakua, Elisabeth; Tahya, Hendrie
Journal Agregate Vol. 2 No. 2 (2023): September
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v2i2.1758

Abstract

Road and Bridge Construction Engineering Study Program, Department of Civil Engineering, Ambon State Polytechnic. The Layeni Village Road Section of Central Maluku Regency is a secondary local cross road that has been damaged at several points on the road so that it must be upgraded from asphalt pavement to flexible pavement (Hotmix) and road complementary buildings. Based on the data analysis process obtained using the 2017 Bina Marga Method, the results for the Asphalt Concrete-Wearing Course (AC WC) layer thickness of 4 cm, for the Asphalt Concrete-Binder Course (AC BC) layer thickness of 6 cm, for the Asphalt Concrete-Base (AC BASE) layer thickness of 18 cm while the 1993 AASTHO Method obtained results for the Surface Course layer thickness of 15 cm, Base Course 10 cm and Sub Base Course 5 cm and for the existing drainage channel discharge obtained 0.31 m3 /second and the plan discharge is 0.98 m3 /second with a discharge difference of 67 m³ /s.
RENCANA ANGGARAN BIAYA MENGGUNAKAN METODE AHSP 2016 DAN SNI 2018 PADA PROYEK PEMBANGUNAN GEDUNG MADRASAH IBTIDAIYAH NEGERI 5 KABUPATEN MALUKU TENGAH Endom, Saryo Theo; Saleh, La Mohamat; Titaley, Henriette Dorothy
Journal Agregate Vol. 2 No. 2 (2023): September
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v2i2.1778

Abstract

A project is a unique activity with a set goal with limited time to be able to reach a specified target. Within the arrangement of a construction project, cost estimates play a significant role. The greater the value of a construction project causes the need for resources to manage the work. Therefore, it requires careful, carefully structured cost planning according to the method of analysis used. The SNI method was a renewal from the 1921 BOW analysis (Burgeslijke Openbare Werken) issued by the residential research and development center.The AHSP method (Job Unit Price Analysis) isa guide for analysis issued by the ministry of public work and citizen housing (PUPR). The aim of thi s study is to get results from economical cost-spending estimates between methods. According to estimates of the cost budget using the AHSP 2016 method, Rp 2,891,000,000 and according to estimates of the cost budget using the SNI 2018 method, Rp 2.615.500.000 by profit from AHSP 2016 and SNI 2018, Rp 275,500,000. And a 9.53% percentage presentation.
PERENCANAAN ANGGARAN BIAYA DAN WAKTU PELAKSANAAN PEKERJAAN STRUKTUR LAUNDRY ZEST HOTEL AMBON BERDASARKAN AHSP PERMEN PU 28/PRT/M/2016 Pattikawa, Elena Julian; Saleh, La Mohamat; Gaspersz, Willem
Journal Agregate Vol. 3 No. 1 (2024): Maret
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v3i1.1802

Abstract

To restore the level of project progress according to the planned cost and time, appropriate planning is needed to obtain optimal project costs and duration. These parameters are planned to achieve project targets within cost and time constraints. The Zest Hotel Ambon Laundry construction project reviewed by the author is a privately funded project with a tentative implementation time so that there are no binding elements in terms of both cost and project implementation time. For this reason, the author will plan the budget and implementation time based on AHSP Minister of Public Works Regulation 28/PRT/M/2016. The aim of this research is to obtain more accurate estimates so that the project can be managed well, can achieve the desired goals, and stay within the budget and time limits that have been set. From the results of budget planning calculations for the implementation of the Zest Hotel Ambon Laundry structure based on AHSP Minister of Public Works Regulation 28/PRT/M/2016, the cost was IDR 1,193,329,721.76. Meanwhile, planning the project implementation time based on the standard AHSP coefficient of PU Ministerial Decree 28/PRT/M/2016 using the CPM method and the application of Microsoft project software, the total project duration was 172 calendar days
ANALISIS PENERAPAN METODE LINE OF BALANCE (LOB) PADA PROYEK PEMBANGUNAN RUANG KELAS BARU MADRASAH IBTIDAIYAH NEGERI 5 MALUKU TENGAH Lessy, Gheisberth Tontji; Jamlaay, Octovianus; Saleh, La Mohamat
Journal Agregate Vol. 3 No. 1 (2024): Maret
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v3i1.1803

Abstract

Construction projects that have repetitive or repetitive work packages such as housing, school buildings, apartments, hotels, highways or manufacturing industry projects require a project scheduling method that is able to accommodate continuous and well scheduled resource requirements without the occurrence of a hitch. In the New Classroom Development Project for Madrasah Ibtidaiyah Negeri 5 Central Maluku, the author reviewed using the S – Curve scheduling method and experienced delays in implementation due to rainy weather, delays in material mobilization and lack of manpower, so the author will analyze scheduling with a special method for repetitive work, namely by using the methodLine of Balance (LoB). Method Line of Balance (LoB) is a project scheduling method that can provide productivity levels and duration information in graphical format and can show activity progress, and can detect potential disturbances or conflicts in work items to be worked on. This research stage is obtained from the datatime schedule a plan that aims to redraw to detect conflicts in work items. From the results of the research, the use of the methodLine of Balance (LoB) simplification of repetitive work activities for structural work and architectural work from the first floor to the second floor makes it easier to analyze which is then depicted in a line chart and the results of the analysis show the methodLine of Balance(LoB) can detect conflicts or lines of work activity that intersect, among others, Structural Work of the second floor intersects with Wall and Plastering of the first floor, Wall and Plastering of the second floor intersects with Ceiling Works of the second floor, Sanitair Works of the first floor intersects with Aluminum Works Composite Panel (ACP) on the first floor and from the calculation results obtained the final scheduling duration of 84 days or 12 weeks and from the results of the analysis showed that the LoB method was effective in its use in the New Classroom Development project at Madrasah Ibtidaiyah Negeri 5 Central Maluku because it was able to detect disturbances in the Curve – S of LoB chart depiction

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