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All Journal Jurnal Multidisiplin Madani (MUDIMA) Formosa Journal of Sustainable Research (FJSR) Indonesian Journal of Society Development (IJSD)
Don Kabo
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Industrial & Manufacturing Engineering Social Sciences

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Journal : Jurnal Multidisiplin Madani (MUDIMA)

 1 
Acceleration Analysis of Bank SulutGo Lolak Branch Office Development Project Time Deyke J. F. Mandang; Estrellita V. Y. Waney; Sherley Runtunuwu; Don Kabo
Jurnal Multidisiplin Madani Vol. 4 No. 11 (2024): November 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/mudima.v4i11.12971

Abstract

Project success is usually measured by short success time and minimal cost without ignoring the quality of the results. Construction project delays, namely procurement of materials that are not on schedule, labor performance that does not follow the current progress of the work, weather factors are also included in the delay in the implementation of work and the cause of delays in the project, one of which is the failure in the construction of the fence resulting in the collapse of the fence and the repetition of the work. The crash program method is one way that can be used to optimize time and cost in a project. This discussion uses time acceleration and the addition of overtime hours. means accelerating work that is on the critical path, each acceleration carried out will be evaluated based on the cost and how long the project can be accelerated in this way. The calculation results use time acceleration with the addition of overtime hours with the alternative used is the addition of working hours (overtime). The time of the project acceleration is 204 HK with a total project cost of Rp. 8,554,773,321.64, while the completion of normal time is 245 HK with a total project cost of Rp. 8,582,694,112.09. The acceleration result is a reduction in time of 41 HK with an additional total project cost of Rp. 27,920,790.45
The Effect of Concrete Quality on Structural Period Fandel Maluw; Hendrie Joudie Palar; Don Kabo; Herman Tumengkol; Teddy Takaendengan
Jurnal Multidisiplin Madani Vol. 4 No. 11 (2024): November 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/mudima.v4i11.12972

Abstract

An important consideration in structural calculations is a structure's vibration period, which establishes the size of the seismic stresses applied during the design phase. North Sulawesi falls within the category of high-risk earthquake region. The formula for calculating the vibration period, as outlined in SNI 03-1726-2012 is based on Goel and Chopra's (1997) approach and ASCE seismic standards. Nevertheless, SNI 03-1726-2012's formula has a notable limitation: it applies the same approach to all earthquake zones, regardless of whether the area is high-risk or low-risk. This study aims to develop a structural period formula tailored following the SNI 03-1726-2012 earthquake design guidelines and to investigate how the quality of the concrete affects the structural lifespan. Three-dimensional structural modeling of typical structures with floors is used in the study. heights of 4 meters and widths of 4 meters, specifically focusing on mid-rise reinforced concrete buildings with 12 floors. Structural modeling is conducted using the ETABS software, and regression analysis is performed on the resulting structural period values to derive the most accurate formula. The regression analysis yielded two optimal formulas, each with a correlation value of 98%: T=0.105H0.785T = 0.105 H^{0.785}T=0.105H0.785 and T=0.311n0.785T = 0.311 n^{0.785}T=0.311n0.785. The findings indicate that lower concrete quality leads to an increased structural period, albeit with a smaller overall impact. Thus, concrete quality significantly influences the structural period
Co-Authors Adelaida Joroh Arifmanuel Kolondam Deyke J. F. Mandang Estrellita V. Y. Waney Hendrie Joudie Palar Herman Tumengkol Maluw, Fandel Putong, Ivonne Helena runtunuwu, sherley Takaendengan, Teddy Tampi, Reiner