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All Journal CIVED (Journal of Civil Engineering and Vocational Education) Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa Jurnal Teknologi Rekayasa Sipil Jurnal Rekayasa Sipil axial : jurnal rekayasa dan manajemen konstruksi Teknomekanik Jurnal Pengabdian West Science Jurnal Teknik Sipil Journal of Civil Engineering and Vocational Education
Malinda, Yosie
Civil Engineering Of Department, Universitas Mercu Buana, 11650, Indonesia
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Education Engineering Environmental Science Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation

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Journal : rekayasa sipil

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Integration of Java Programming-Based Pert and Earned Value Management Methods Based on Residential Precast Case Study to Improve Project Cost Efficiency Citra, Zel; Wibowo, Paksi Dwiyanto; Malinda, Yosie; Pranoto, Rodliyan Yusuf; Pitaloka, Fanny
Rekayasa Sipil Vol. 18 No. 1 (2024): Rekayasa Sipil Vol. 18 No. 1
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2024.018.01.3

Abstract

The need for residential houses is still high for property and construction commodities. The availability of land and market prices for residential houses continue to increase yearly. Only 45.04% of Jakarta residents had a home ownership status in 2020. 2021 is the precast building mode. It is justified that precast construction structures can save 35% on construction costs and are 27.33% more reliable than ordinary concrete structures. The research examines the integration of the PERT method and earned value management (EVM) based on Java programming in residential precast case studies. The results of this study are that the implementation of the PERT method can increase the efficiency of project duration by 6%, and the implementation of the EVM method can increase project cost efficiency by 7% with the indicators Schedule Performance Index (SPI) = 1.01 (under schedule) and Cost Performance Index = 1, 07 (Under Budget)
Inspection of Foundation Structures with Pile Integrity Test (PIT) of Steel Tower Building Citra, Zel; Malinda, Yosie; Dwiyanto Wibowo, Paksi; Ferial Ashadi, Reza; Wibisono, Anom; Apdeni, Risma
Rekayasa Sipil Vol. 18 No. 2 (2024): Rekayasa Sipil Vol. 18 No. 2
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2024.018.02.10

Abstract

Pile Integrity Test (PIT) is a tool from Pile Dynamic Inc. (PDI), consisting of a mini-computer, accelerometer, and hammer. Integrity testing on piles using PIT equipment is carried out by analyzing one-dimensional wave propagation provided by hammer blows on the pile head. An accelerometer sensor installed on the pole will read the reflection that occurs during wave propagation on the pole head. The wave propagation speed that occurs in concrete will range from 3,500 m/s to 4,200 m/s. The PIT test results indicate the reduction in impedance in the pole by the BTA value, which compares the theoretical impedance value to the residual impedance. From the results of the Pile Integrity Test carried out at three pile points, it was found that all samples experienced a reduction in impedance around a depth of ± 3.0 meters below the sensor with BTA values of 75%, 78%, and 72% and fell into the damaged category. The reduction in impedance at a depth of 3 meters is most likely part of the connection between piles because one pile point uses 2–3 spun piles, with the length of 1 spun pile being 9 meters. From the results of visual observations, it can be seen that the condition of the existing spun pile and pile cap is still quite good.
Co-Authors Anom Wibisono Ashadi, Reza Ferial Christian Bessie, Steaven Citra, Zel Desiana Vidayanti Erlangga Rizqi Fitriansyah Ernanda Dharmapribadi Fitra Rifwan Frangklyn Sinulingga, Jef Herol, Herol Jef Frangklyn Sinulingga Mana Marang, Maria Natalia Melinda, Annisa Prita Nevy Sandra Pitaloka, Fanny Pranoto, Rodliyan Yusuf Putri, Prima Yane Reni Karno Kinasih Risma Apdeni Risma Apdeni Sarwono Hardjomuljadi Sinulingga, Jef Frangklyn Suci Putri Elza Wibowo, Paksi Dwiyanto