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Henriette D. Titaley
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henriette.titaley@polnam.ac.id
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Jl. Ir. M. Putuhena, Wailela-Rumah Tiga, Kota Ambon Provinsi Maluku
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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 14 Documents
 1   2 
Search results for , issue "Vol. 3 No. 2 (2024): September" : 14 Documents clear
ANALISA FAKTOR PENYEBAB DAN AKIBAT PERUBAHAN KONTRAK PEKERJAAN (CONTRACT CHANGE ORDER) PADA PROYEK PEMBANGUNAN GEDUNG INSTALASI RAWAT INAP 2 RSUD MAREN Hi. NOHO RENUAT KOTA TUA Lestaluhu, Damayanti; Saleh, La Mohammat; Titaley, Henriette Dorothy
Journal Agregate Vol. 3 No. 2 (2024): September
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v3i2.2359

Abstract

Construction projects often encounter problems such as changes occurring during implementation. These changes may occur in the early, middle, or late stages of the project. Hanna AS (2002) defines a change or change order (CO) in a construction project as an event leading to a change. In this study, the author uses the SmartPLS 4.0 application for data analysis techniques. SmartPLS 4.0 has an outer model/measurement model and an inner model/structural model to test the degree of validity and reliability of the indicators of the variables used in the study and also to determine the impact of relationships between each variable used in the study. Loading factor values for each indicator exceeded 0.6 and AVE values for each variable exceeded 0.5 in the convergence validity test of this study. For the discriminant validity tests, the cross-loading score and the Fornell-Larcker score meet the SmartPLS 4.0 requirements, and the HTMT score for each variable is less than 0.9. The R² test (r-squared) gave an R² value of ≥ 0.75 (75%). On the other hand, the path coefficient test yields a significance value (P-value) for the effect between variables of 0.05 or less for an alpha value of 5%. It can be said that the variables used in this study are valid and there are strong relationships between the test variables.
PENENTUAN PARAMETER GELOMBANG LAUT BERDASARKAN DATA ANGIN YANG MENGACU PADA ECMWF (EUROPEAN CENTRE FOR MEDIUM-RANGE WEATHER FORECAST) DIPERAIRAN DUSUN WAEYOHO, DESA KAWA, KAB. SBB Saharti; Lilipory, Isak; Pattiselanno, Steanly R. R.
Journal Agregate Vol. 3 No. 2 (2024): September
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v3i2.2389

Abstract

In West Seram Regency, precisely in Waeyoho Hamlet, Kawa Village, which has an area of ​​20 hectares / 0.2 Km2 with a coastline length of 2 Km, is one of the places where most of the people earn their income from sea products (fishermen), where when they go out in the morning or in the afternoon then we will return to land the next day. Seeing this situation, when we are going to carry out shipping activities, of course, we need daily weather information such as wave height from strong winds that occur in the middle of the sea. Prediction of wave parameters using the wind data approach method taken from ECMWF (European Center for Medium-range Weather Forecast) data. Wind data obtained at the research location in the waters of Waeyoho Hamlet, Kawa Village, Sbb Regency, Maluku in 2023 throughout January - October has a dominant northwest wind direction with a wind speed of 11.10 m/s, based on the monthly wind speed graph. The highest wind speed was obtained in May, July, August, and September, the relationship between wind speed on land and at sea was obtained by the value RL = 1.1 and the value Uw = 12.21 m/s, the wind stress factor (Ua) was obtained 15, 41 m/s, The average effective fetch value from the research location was 346.03 Km. Forecasting deep sea waves with limited fetch conditions, the value Hmo= 4.63m Tm=10.89 s, t=19.8 hours was obtained
IDENTIFIKASI DAN PENILAIAN KONDISI PADA JEMBATAN WAI POHON PULE I DAN JEMBATAN WAI POHON PULE II KOTA AMBON Tetiray, Jondri; Roberth, Herry Henry; Soumokil, Musper David
Journal Agregate Vol. 3 No. 2 (2024): September
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v3i2.2467

Abstract

Bridges are a means of transportation that have a significant role in the smooth traffic movement. Where the function of a bridge is to connect transportation routes that are separated by rivers, swamps, lakes, straits, canals, highways and other crossings. Because the role of bridges is very important, it is necessary to evaluate the feasibility of the bridge. This research aims to analyze the damage level to the Wai Pohon Pule I and Wai Pohon Pule II Bridges in Ambon City based on the standard Bridge Management System (BMS) assessment. From the research results, there was damage to the Wai Pohon Pule I Bridge and the Wai Pohon Pule II Bridge with the condition values ​​of the bridges being as follows, the Wai Pohon Pule I Bridge with the condition value of the bridge being 3 (Damage that requires immediate action), the Wai Pohon Pule Bridge II with the condition value of the bridge being 3 (Damage that requires immediate action).
PENGGUNAAN SAMPAH KARDUS DAN PEREKAT UNTUK PEMBUATAN BALOK 5/7 Manuhuttu, Maryo lois
Journal Agregate Vol. 3 No. 2 (2024): September
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v3i2.2509

Abstract

  Waste is one of the problems that continues to be handled to maintain environmental sustainability and health. According to the type, waste consists of 5 (five types), namely organic waste, inorganic, paper waste, toxic waste, and residual waste. In this study, what was used was waste. Cardboard waste is made into blocks, made with ledges of work steps starting from making formwork, measuring component components consisting of used cardboard, glue, and water, then continued with mixing these component components into specimens, and putting the specimens into the formwork, and waiting for time to open the cardboard blocks that have been printed from the formwork. The test carried out on this cardboard block is a flexural strength test, and after being tested the cardboard block produces excellent strength, so that cardboard blocks can and are easy to use as construction materials.  

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