Sakti, Anna Charina Avocatrix P (2024) Pengaruh Laju Korosi Dan Tegangan Leleh Baja Tulangan Yang Terkorosi Terhadap Gaya Tekan Kolom Beton Bertulang. Undergraduate thesis, Fakultas Teknik Sipil 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 cause damage to reinforced concrete
structures that can affect structural strength. There are several factors that can affect corrosion of reinforcing steel, one of which is the yield stress of reinforcing steel. This study aims to determine the effect of corrosion rate and yield stress of corroded reinforcing steel on the compressive force of reinforced concrete columns.
The research is in the form of testing the compressive force on reinforced concrete columns and testing the corrosion rate of reinforcing steel.The test object is a reinforced concrete column measuring 15 x 15 x 30 cm as many as 18 pieces.
The yield stress variations used are 442.65 Mpa, 389.12 Mpa and 380.32 Mpa. The process to accelerate corrosion of reinforcing steel was carried out by immersing the test specimens in a 3.5% concentration Nacl solution for 5 days using the galvanostatic method. Compressive strength testing was conducted using a CTM (compression testing machine) according to ASTM C39 on Standard Test Method
For Compressive Strength Of Cylindrical Concrete Specimens and corrosion rate testing based on ASTM G31-72 on Standard Practice for laboratory immersion corrosion testing of metals. The results showed that the largest compressive force value was found in the corroded specimen with a yield stress of 442.65 Mpa at 495.1 kN, and the smallest compressive force was found in the specimen with a yield stress of 380.32 Mpa at 416.3 kN. As for the corrosion rate, the largest corrosion rate was found in the specimen with a yield stress of 380.32 Mpa at 70760,14 Mpy, and the smallest
corrosion rate was found in the specimen with a yield stress of 442.65 Mpa at 28369,66 Mpy

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