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Studi Penelitian Pengaruh Konsentrasi Larutan Nacl Terhadap Laju Korosi Baja Tulangan Dan Gaya Tekan Aksial Kolom Beton Bertulang Pedestal Terkorosi

MAULANA, ABDUL SIGIT (2024) Studi Penelitian Pengaruh Konsentrasi Larutan Nacl Terhadap Laju Korosi Baja Tulangan Dan Gaya Tekan Aksial Kolom Beton Bertulang Pedestal Terkorosi. Undergraduate thesis, Fakultas Teknik Universitas Merdeka Malang.

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Abstract

Reinforced concrete consists of concrete and reinforced steel reinforcement. Concrete has compressive strength and steel reinforcement has tensile strength. Corrosion of steel reinforcement can result in damage to reinforced concrete structures which can affect the strength of the structure. There are several factors that can influence corrosion of reinforcing steel, one of which is the concentration
of the NaCl solution. This research aims to determine the effect of NaCl solution concentration on the corrosion rate of reinforcing steel and the axial compressive force of corroded pedestal reinforced concrete columns. The research consisted of testing the compressive force on pedestal reinforced concrete columns and testing the corrosion rate on reinforcing steel. The test objects are 14 pedestal reinforced concrete columns measuring 15 x 15 x 30 cm. Variations in the concentration of the NaCl solution used were 3.5%, 5% and 7%. The process to accelerate corrosion of reinforcing steel is carried out by immersing the test
object in a Nacl solution of concentrations of 3.5%, 5% and 7% for 10 days usingthe galvanostatic method. Compressive force testing was carried out using a CTM (compression testing machine) test tool and corrosion rate testing based on ASTM G31 concerning Standard Practice for laboratory immersion corrosion testing of metals. The research results showed that the highest compressive force value was found in the corroded test object with a 3.5% NaCl solution concentration of 448.0 kN, and the smallest compressive force was found in the test object with a 7% NaCl solution concentration of 386.0 kN. Meanwhile, the largest corrosion
rate was found on the test object with a 7% NaCl solution concentration of 23444 Mpy, and the smallest corrosion rate was on the test object with a 3.5% NaCl solution concentration of 3464 Mpy.

Item Type: Thesis (Undergraduate)
Additional Information: ABDUL SIGIT MAULANA NIM : 0041000051
Uncontrolled Keywords: Pedestal Column, Corrosion Rate, NaCl Solution Concentration, Reinforcing Steel, Compressive Force
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TH Building construction
Divisions: Fakultas Teknik > S1 Teknik Sipil
Depositing User: fufu Fudllah Wahyudiyah
Date Deposited: 15 Feb 2025 08:01
Last Modified: 15 Feb 2025 08:08
URI: https://eprints.unmer.ac.id/id/eprint/4295

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