Size effect analysis of concrete beams reinforced with FRP rods | |
| Author | Dhakal, Rajesh Prasad |
| Call Number | AIT Thesis no. ST-97-13 |
| Subject(s) | Concrete beams Strength of materials |
| Note | A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering. |
| Publisher | Asian Institute of Technology |
| Series Statement | Thesis ; no. ST-97-13 |
| Abstract | Among the various modes of failure, shear failure is most severe. It is brittle and occurs without prior warning sometimes leading to heavy damages and loss of lives. Hence to prevent this failure, a thorough knowledge of shear strength is necessary. Shear strength is influenced by a number of parameters. Among them, size of the concrete member is the most important. The effect of size on shear strength of steel reinforced concrete beam has been studied and predicted by many researchers in the past. Japanese Society of Civil Engineers (JSCE) has incorporated an equation for prediction of shear strength of reinforced concrete beams without shear reinforcement. But very little has been done for FRP reinforced concrete beams. In this research the effect of various parameters on the shear strength ofFRP reinforced beam without shear reinforcement has been studied analytically using finite element analysis and fracture mechanics. The result reveals that the shear strength of such beams decreases with increase in size, decrease in modulus of elasticity of FRP reinforcement and with decrease in the tensile strength of concrete. Apart from this, the size effect in flexural strength of plain concrete beam has also been studied. It shows that the flexural strength also decreases with the increase in size and finally it becomes stable at a value approximately equal to the tensile strength of concrete. The size effect is not observed for three meters or deeper beams in both cases. It is found that although FRP rods do not show yielding, they can safely be used as reinforcement in concrete beams because of their high ultimate strength. |
| Year | 1997 |
| Corresponding Series Added Entry | Asian Institute of Technology. Thesis ; no. ST-97-13 |
| Type | Thesis |
| School | School of Engineering and Technology (SET) |
| Department | Department of Civil and Infrastucture Engineering (DCIE) |
| Academic Program/FoS | Structural Engineering (STE) /Former Name = Structural Engineering and Construction (ST) |
| Chairperson(s) | Junichiro Niwa. |
| Examination Committee(s) | Pichai Nimityongskul;Wijeyewickrema, Anil C.;Chen, Jian Shiuh |
| Scholarship Donor(s) | The Government of Japan. |
| Degree | Thesis (M.Eng.) - Asian Institute of Technology, 1997 |