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SHEAR TRANSFER STRENGTH OF CONCRETE PLACED AGAINST HARDENED CONCRETE

Habouh, Mohamed I
http://rave.ohiolink.edu/etdc/view?acc_num=akron1439564977

Abstract Details

2015, Master of Science in Engineering, University of Akron, Civil Engineering.
Shear transfer strength of concrete placed against hardened concrete has been of researcher’s interest because of the unavoidable joints between structural elements. The failing joints in the application of adjacent box beam girders causing premature aging of the bridges and financial liabilities. There are no design guide lines for such joints. ACI 318-2011 overlooked important factors that may affect shear strength. This research was performed to understand the joint behavior, vertical shear transfer mechanism. Three sets of Reinforced, un-reinforced, compressed test specimens and finite element analysis models were studied in this research, it was established that (a) ACI 318-2011 over estimates the shear strength for joints with high clamping force. (b) The shear strength expression introduced by Patnaik 2001 for horizontal shear is applicable for vertical shear with upper bound for shear strength at clamping force larger than 800 psi. (c) Lateral stresses and lateral spread of joints are generated due to vertical shear. (d) Lateral supports and the application of normal compressive forces to shear interface will increase the joint strength. (e) The allowable vertical slip for shear interfaces at failure is larger when the externally applied normal force was increased.
Anil Patnaik, Dr. (Advisor)
Ala Abbas, Dr. (Committee Member)
David Roke, Dr. (Committee Member)
159 p.
Civil Engineering
shear concrete Strength

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Citations

  • Habouh, M. I. (2015). SHEAR TRANSFER STRENGTH OF CONCRETE PLACED AGAINST HARDENED CONCRETE [Master's thesis, University of Akron]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=akron1439564977

    APA Style (7th edition)

  • Habouh, Mohamed. SHEAR TRANSFER STRENGTH OF CONCRETE PLACED AGAINST HARDENED CONCRETE. 2015. University of Akron, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=akron1439564977.

    MLA Style (8th edition)

  • Habouh, Mohamed. "SHEAR TRANSFER STRENGTH OF CONCRETE PLACED AGAINST HARDENED CONCRETE." Master's thesis, University of Akron, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1439564977

    Chicago Manual of Style (17th edition)

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This open access ETD is published by University of Akron and OhioLINK.