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All Journal RACIC : Rab Construction Research Bandar: Journal of Civil Engineering
Marvin Tandedi
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Civil Engineering, Building, Construction & Architecture Engineering

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STUDI PENGUJIAN KADAR LUMPUR AGREGAT HALUS PADA PASIR DI KOTA BATAM Mahfuz Hudori; Marvin Tandedi; Aldy Tri Sentanu; Mohammad Adolf Ferdinand
Racic : Rab Construction Research Vol 7 No 1 (2022): RACIC (RAB CONSTRUCTION RESEARCH)
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v7i1.2536

Abstract

Kadar lumpur merupakan salah satu parameter yang perlu diuji sebelum agregat halus digunakan dalam konstruksi. Menurut SNI 03-1750-1990, batas kandungan lumpur pada agregat halus adalah 5%. Kadar lumpur yang tinggi dapat mengakibatkan berkurangnya pengikatan antar agregat. Hal ini mengakibatkan kekuatan beton berkurang dan kualitas beton berkurang. Penelitian ini bertujuan untuk memeriksa dan memastikan bahwa pasir yang digunakan pada konstruksi Kota Batam telah memenuhi standar kadar lumpur pada agregat halus. Data kadar lumpur dianalisis menggunakan metode statistika uji t satu sampel. Hasil analisis menunjukkan bahwa kadar lumpur pada pasir di Kota Batam lebih dari 5% sehingga pasir di Kota Batam belum sepenuhnya dapat digunakan sebagai agregat halus untuk konstruksi karena belum memenuhi batas maksimum kadar lumpur pada agregat halus.
PENYELIDIKAN FORENSIK PADA KERUSAKAN BANGUNAN PASAR IKAN DI PULAU BELAKANG PADANG, KOTA BATAM, INDONESIA Wa Ode Sumartini; Marvin Tandedi
BANDAR: JOURNAL OF CIVIL ENGINEERING Vol 5 No 1 (2023): Bandar: Journal of Civil Engineering
Publisher : Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/bjce.v5i1.2672

Abstract

A deteriorated fish market building situated on Rear Padang Island in Kepulauan Riau Province, Indonesia has raised concerns among the local population. Consequently, it is imperative to assess the extent of the building's damage. To accomplish this, forensic investigations were conducted utilizing visual inspections, field measurements, and non-destructive testing using the Hammer Test. This study aims to outline and summarize the causes of the observed damage. Visual inspections revealed that more than 50% of the column web exhibited significant cracks, approximately 30% of the column's concrete had chipped off, and the steel reinforcement was extensively corroded. The Hammer Test results indicated that the column's strength was below 5 MPA. Based on these findings, it is evident that the building has sustained significant structural damage, necessitating either its demolition or comprehensive restoration and reinforcement. In its current deteriorated state, the building poses a severe risk and requires evacuation for safety reasons
Co-Authors Aldy Tri Sentanu Mahfuz Hudori Mohammad Adolf Ferdinand Wa Ode Sumartini