Project Title  :  Water Leakage of Precast Joints By                   :  Phatcharee  Jongpaisan, Phittawat  Methapornkul, Pariwat  Prontip, Asst. Prof. Phakphum  Mongkhonsang Advisor          :  Asst. Prof. Phakphum  Mongkhonsang Degree           :  Bachelor of Engineering Major