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    Chloride Content of Reinforced Concrete in Marine Environment. Case Study : HuaHin and PranBuri, PrachuapKhiri Khan Province

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    Date
    2015
    Author
    Chusak Kererat
    Supachai Thaipum
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    Abstract
    This study is to study a chloride in filtration into reinforced concrete structure in marine environment. The structure of case study located in Am phoeHuaHin and Amphoe Pranburi, and distance of this structure is not exceeding 10 km for from a sea. The powder of concrete is obtained from the structure as the representation. They were taken to titrate by mixing with silver nitrate solution and using acid a solvent follow by ASTM C1152 for determining total chloride content. According to the result, a maximum chloride is at a surface at structure and it will decrease along to the increasing depth. In case of concrete cracking, chloride will more increase that it cannot calculate by using the second Fick’s law. Moreover, the results showed that more strength and more age of concrete, coefficient of diffusion will be decrease. The structure in marine environment which located not exceed 1 km and 6 km far from sea in Amphoe HunHin and Amphoe Pranburi, respectively, found the chloride content of 1-25 kg/m3. Therefore, the structural design process should be considered damage due to chloride. However, the structure located more than 6 km far from sea, the structural design process is not necessary to consider the influence of chloride
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    http://repository.rmutr.ac.th/123456789/491
    http://localhost:8080/xmlui/handle/123456789/491
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