Teuku Budi Aulia
Jurusan Teknik Sipil, Fakultas Teknik, Universitas Syiah kuala, Banda Aceh

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KUAT TEKAN BETON MUTU TINGGI HYBRID DENGAN SUBSTITUSI SEMEN DAN AGREGAT HALUS SERTA PENAMBAHAN NANO MATERIAL BIJIH BESI Nora Usrina; Teuku Budi Aulia; Muttaqin Muttaqin
Jurnal Arsip Rekayasa Sipil dan Perencanaan Vol 1, No 1 (2018): Jurnal Arsip Rekayasa Sipil dan Perencanaan
Publisher : Prodi Magister Teknik Sipil Unsyiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jarsp.v1i1.10368

Abstract

SNI 03-6468-2000 defines a high-quality concrete as a concrete with a compressive strength equal to or larger than 41,4 MPa. To obtain a high strength concrete, increasing the quality of material components is needed. The improvement of concrete quality can be done by addition or substitution processes in the concrete mixture. In this research, the substitution of cement, fine aggregate and coarse aggregate with fly ash coal, palm shells, pozzolan sands and the addition of iron ore nanomaterial as filler (BMT-H) were selected. The purpose of this research is to compare the compressive strength of hybrid high-quality concrete (BMT-H) to normal high-quality concrete (BMT-N). Samples of concrete compressive in a cylindrical shape with diameter 15 cm and height 30 cm were prepared. Concrete compressive strength test was performed on concrete at age of 7 days, 28 days, and 56 days. The results of compressive strength maximum on concrete at age 7 days, 28 days and 56 days are 44,28 MPa; 59,48 MPa and 69,71 MPa, consecutively.
DAMPAK PANDEMI COVID-19 DALAM PELAKSANAAN PROYEK KONSTRUKSI DI PROVINSI ACEH Teuku Syahirman; Muttaqin Hasan; Teuku Budi Aulia
Jurnal Arsip Rekayasa Sipil dan Perencanaan Vol 6, No 1 (2023): Jurnal Arsip Rekayasa Sipil dan Perencanaan
Publisher : Prodi Magister Teknik Sipil Unsyiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jarsp.v6i1.27037

Abstract

The implementation of construction projects in Aceh province since the beginning of 2020 until now has been impacted during the 2019 coronavirus disease (Covid-19) pandemic. One of the significant impacts is the disruption of the supply chain, which hinders the implementation of construction projects. Hence, it is necessary to conduct investigations to determine the dominant factors and factors affected by the Covid-19 pandemic in the implementation of construction projects in Aceh province. The construction projects audited are construction projects, roads, bridges, drainage, irrigation, reservoirs and weirs, to be completed by a construction company in Aceh Province using 2020 and 2021 sources of funding from the Aceh Revenue and Expenditure Budget of Aceh (APBA). were Research This method uses a mixed methods approach through a questionnaire. The respondents were addressed to the project manager/construction manager/supervisor of the executing company. The population of construction projects in Aceh province during the Covid-19 pandemic for 2020 and 2021 was 221 companies/packages, while the sample consisted of 165 companies/packages. A proportionally stratified random sample is used as the sampling method. The data analysis technique used descriptive statistics, validity testing, reliability testing, and PCA using Statistical Product and Service Solution (SPSS) software. The results showed that the factors influenced by the Covid-19 pandemic in the implementation of construction projects in Aceh province were 6 factors, namely area restrictions, implementation methods, project costs, physical distancing, insecurity and financial factors of the contractor with a Variance (percentage of use) of 59.104%. The dominant factor affected by the Covid-19 pandemic in the implementation of construction projects in Aceh province is the area constraint factor with a variance of 18.848%.