Repair of a Reinforced Concrete Reactor Structure in a Chemical Plant

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Title: Repair of a Reinforced Concrete Reactor Structure in a Chemical Plant

Author(s): Jongsung Sim and Chung-Ho Kim

Publication: Special Publication

Volume: 128

Issue:

Appears on pages(s): 1309-1318

Keywords: carbonation; chemical attack; cracking (fracturing); deterioration; impact hammer tests; industrial buildings; reinforced concrete; reinforcing steel; repairs; spalling; strength; ultrasonic tests; General

Date: 11/1/1991

Abstract:
Introduces a typical repair case of chemically attacked reinforced concrete structure. At the present time, the maintenance of reinforced concrete structures is a common and a serious problem for industry in Korea. The structure examined is in a chemical plant that processes sulfates. The repair procedures are described by the following five basic steps: 1) how to find the deterioration, 2) how to determine the causes of deterioration, 3) how to evaluate the strength of the existing structure, 4) how to decide the repair needed, and 5) what kind of repair method and material should be selected. This paper also suggests the future research direction of repair techniques of reinforced concrete structures in Korea