AI SearchFlexural strengthening of reinforced concrete beams using high performance ferrocement
Call Number: AIT Thesis no.ST-10-06 Material type:
SeriesSeries: Asian Institute of Technology. Thesis ; no. ST-10-06Publication details: Pathum Thani, Thailand : Asian Institute of Technology, 2010Description: 64 leaves : illSubject(s): Online resources: Dissertation note: Thesis (M.Eng.) - Asian Institute of Technology, 2010 Summary: The main objective of the study is to carry out an experimental program for strengthening of the beams by using high performance laminate. The flexural behavior of six beams strengthened on the soffits by using ferrocement laminate made of modified mortar and reinforced with hexagonal wire mesh were compared with the controlled beam. The main parameters used in this study were the optimization of mortar matrix and the number of layers of wire mesh used in the fe rrocement form. The results of this experiment include first crack load, ultimate load, defl ection characteristics, toughness index and failure pattern after the strengthening of the beams. Also, the scope was to determine the effect of the modified mortar matrix and the layers of wire mesh on the load capacity of RC beam. The test results showed that strengthening of the beams by using high performance ferrocement jacketing increased on the load carrying capacity of the composite. The more the number of layers of wire mesh, the higher the increase in load carrying capacity of the beams. Moreover, the using of high performance mortar indicates the highest first crack load among all the strengthened specimens because its compressive and flexural strength is higher than other mortar matrix.
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The main objective of the study is to carry out an experimental program for strengthening of the beams by using high performance laminate. The flexural behavior of six beams strengthened on the soffits by using ferrocement laminate made of modified mortar and reinforced with hexagonal wire mesh were compared with the controlled beam. The main parameters used in this study were the optimization of mortar matrix and the number of layers of wire mesh used in the fe rrocement form. The results of this experiment include first crack load, ultimate load, defl ection characteristics, toughness index and failure pattern after the strengthening of the beams. Also, the scope was to determine the effect of the modified mortar matrix and the layers of wire mesh on the load capacity of RC beam. The test results showed that strengthening of the beams by using high performance ferrocement jacketing increased on the load carrying capacity of the composite. The more the number of layers of wire mesh, the higher the increase in load carrying capacity of the beams. Moreover, the using of high performance mortar indicates the highest first crack load among all the strengthened specimens because its compressive and flexural strength is higher than other mortar matrix.
A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering in Structural Engineering, School of Engineering and Technology
Thesis (M.Eng.) - Asian Institute of Technology, 2010
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