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INDONESIA
PRESUNIVE CIVIL ENGINEERING JOURNAL
Published by President University
ISSN : -     EISSN : 2987145X     DOI : -
Core Subject : Art, Engineering,
Arts Civil Engineering, Building, Construction & Architecture Control & Systems Engineering
PRESUNIVE CIVIL ENGINEERING JOURNAL [ISSN2987-145X (online)] is a scientific publication media for researchers, students as well as practitioners in the area of expertise of Structural Engineering, Construction Engineering & Management, Geotechnical Engineering, Water Resources Engineering, and Transportation Engineering. The Journal publishes in April and October under the supervision of the Civil Engineering Study Program, President University.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Teknik Lingkungan
Articles 5 Documents
 1 
Search results for , issue "Vol 1, No 1 (2023)" : 5 Documents clear
Deviations Due to the Discrete Modeling of the Structures Hariandja, Binsar H.; Bali, Ika
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 1, No 1 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v1i1.4241

Abstract

Real existing structures are generally complicated in geometry that might make them unsuitable or difficult forthe analyses. Several assumptions or simplifications are usually made by the practitioners to make them simpler andmay be analyzed in ease. The assumptions and/or simplifications might make the analyses much easier; however,they might create some deviations from the true behavior of the structures, which are in fact, are not known preciselyto the analysts. The paper discusses some examples for simplifications in the analysis or the structural systems. Theexamples include the types of the simplifications, and the deviations that caused by them. The types ofsimplifications are in the case of material behavior, the geometry of the system, an in the case of connectivity of thestructural components. The results signify the importance of wisdom in the setting of the simplifications and theassumptions to make the analyses easier but with dependable results.
Compressive Strength of Concrete Containing Recycled Glass Powder Nugraha, Bimantara Putra; Sudjatmiko, Eddy Triyanto; Bali, Ika
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 1, No 1 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v1i1.4242

Abstract

Glass bottle waste takes a million years to decompose. Recycling is the best option to solve this problem. Onealternative is to use recycled glass in the form of powder as a material for making concrete. This study proposes theuse of recycled glass powder as a concrete material to partially substitute fine aggregate. This study aims todetermine the effect of glass powder as a partial substitute for fine aggregate on the compressive strength of concrete.Partial substitution of fine aggregate was selected with a percentage of 5%, 10%, and 15%. Standard cylindricalspecimens aged 28 days used in compressive strength testing in this study. Then, the test results of concretecontaining recycled glass powder compared to ordinary concrete. The test results show that the compressive strengthof concrete containing 15% recycled glass powder gives an average compressive strength of 35.57 MPa which isslightly higher than the compressive strength of normal concrete of 35.10 MPa. This study found that the use of glasspowder as a substitute for fine aggregate can be used as a substitute for normal concrete in terms of compressivestrength and reduce glass waste.
Efficiency of the Use of Computer Memories and Execution Time in Structural Analysis Hariandja, Binsar H.
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 1, No 1 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v1i1.4243

Abstract

The use of computer programming provides accurate and speedy analyses of structural systems. The accuracyand the speed of the analysis are due to the novelty of the computer, i.e., the speed in storing and retrieving large sizeof data, and the speed and the accuracy in the numerical computation. However, in old days, due to the limitedstorage capacities of old generations of the computers, and the use of limited main frame computers, used by somany parties, the efficient use of computer memory became an important issue. Moreover, the use of rented base ofcomputer time necessitated the efficient use of computer run time. The paper discusses the efforts to efficiently usethe computer memory and computer run times. These issues seem to remain important issues, even though to date,the tendency is to use of personal computers and laptops instead the use of rented main frame computers.
Evaluation on Merauke Drainage System in Overcoming Flood-Prone Areas Ramdhani, Bagoes Rezky; Pratama, Maryo Inri; Wisaksono, Anggoro
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 1, No 1 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v1i1.4244

Abstract

Merauke city suffers flooding in almost every rainy season, which endangers the environment and disturbspeople's activities. One of the worst floods happened in 2019, where flooding damaged vegetables and crops, impactedthe city's economy, and later caused economic inflation. Therefore, a study evaluating the drainage system in Meraukecity is needed to overcome this issue. This study was conducted through a field survey and literature study with datathat varies from hydrological, elevation, and hydraulics data. Hydrological data includes yearly rainfall data, andhydraulics data consists of the drainage network and designs. This evaluation will then result in the normalization of adrainage system. This study found that the capacity of the current drainage system is 10.815 m3/s, where this drainagecapacity cannot accommodate the amount of flood discharge plan. Also, the existing drainage system is missing acomponent that was not built in the first place, affecting the drainage's capacity. Therefore, a normalization of thedrainage system is needed to avoid flooding.
On-Site Earthquake Early Warning System as an Alternative Earthquake Mitigation Solution in Indonesia Bali, Ika
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 1, No 1 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v1i1.4245

Abstract

The Banten earthquake, which had a magnitude of 6.6 on January 14, 2022, damaged 3,078 houses. Thatnumber consisted of 395 heavily damaged units, 692 moderately damaged units and 1,991 lightly damaged units(Tempo.co, 2022). The Banten earthquake was a strong earthquake where the magnitude was greater than a scale of5. Damage to houses caused by the earthquake occurred in most single-story houses or low-rise buildings. Given thelarge number of one-story houses that are damaged every time a major earthquake occurs in Indonesia, there needs tobe appropriate mitigation measures to reduce the risk of earthquake disasters, especially for human casualties. AnOn-site Earthquake Early Warning System (On-site EEWS) can be an alternative in reducing victims of the disaster.This earthquake early warning system has sensors that are installed on the site of building houses and can predictstrong earthquake waves that are destructive in nature (S/Secondary Waves) through P/Primary Waves that arriveearly in about 10-20 seconds. This time is sufficient for evacuation for the occupants of a one-story house if the earlywarning alarm is properly responded to. This early warning radius can reach 20 km from the on-site EEWS locationconsidering that this area has relatively the same vibration effect. Currently, Indonesia through the BMKG isdeveloping EEWS as a part of the existing earthquake mitigation system. The purpose of this study is to describe theapplication of an on-site earthquake early warning system as an alternative solution for earthquake mitigation inIndonesia. This study evaluates several EEWS applications in the literature to find the best alternative to be appliedin Indonesia. The critical factors for on-site implementation of the EEWS discussed in this paper are compared withthe Taiwan regional EEWS. Based on the existing validation, the on-site EEWS has an 80% accuracy rate inpredicting the intensity level of a strong earthquake, capable to automatically send an alarm message within 3seconds and providing a warning time of at least 8 seconds before a destructive peak S wave arrives.

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