鐵筋콘크리트 構造物의 鐵筋 副食에 對하여 = A Study on the Steel Corrosion of the Reinforced Concrete Structure.

다국어 초록 (Multilingual Abstract)

In the reinforced concrete structure, steel corrosion causes the expansion of the bulk which in turn is followed by cracks and peeling-off of the surface, thus reducing the endurance of the structure.
Concrete is considered as the most ideal anti-corrosive material for the steel but the infilteration of corrosive agents neutralize the function of concrete to protect steel.
The study was conducted to find out various factors which affect the steel
bars and to describe the ensuing corrosive processes and the results.
The following is the basic recommendable preventive measures of corrosion:
1) To increase the thickness of concrete surrounding the steel bars.
2) To minimize the water amount in the ratio of W/C.
3) To use good sand and gravels which have densely proportioned molecules.
4) To avoid using materials sensitive to corrosive agents.
5) To give full consideration to minimize the cracks when designing.
As mentioned above, corrosion of the steel bars are greatly affected by the meterials used, designs, methods of construction work and the enviorns of the struction. All the involving factors must be fully taken into consideration to maximize the efficiency of a building.

목차 (Table of Contents)

• Ⅰ. 序論
• Ⅱ. 콘크리트 劣化가 鐵筋 腐蝕에 미치는 影響
• 1. 槪要
• 2. 콘크리트의 中性化
• 3. 콘크리트 有害物의 導入
• Ⅲ. 鐵筋 腐蝕에 影響을 주는 諸 要因
• 1. 電氣化學的 腐蝕
• 2. 鹽化物에 의한 腐蝕
• 3. 電流에 의한 腐蝕
• 4. 透水性과 酸素
• Ⅳ. 結論