Civil Engineering Structure Discussion Area ---- [Daily Question] Question from the 20151126 issue
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True or False: Under combined shear and compressive loading, the shear strength of concrete increases as the compressive stress increases; however, once the compressive stress reaches a certain level, the shear strength begins to decrease as the compressive stress continues to rise. ( ) Answer: Yes
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Under combined shear and compressive loading, the shear strength of concrete increases as the compressive stress increases; however, once the compressive stress reaches a certain level, the shear strength begins to decrease as the compressive stress continues to rise. (Correct)
Under combined shear and compressive loading, the shear strength of concrete increases as the compressive stress increases; however, once the compressive stress reaches a certain level, the shear strength begins to decrease as the compressive stress continues to rise (√)
Under combined shear and compressive loading, the shear strength of concrete increases as the compressive stress increases; however, once the compressive stress reaches a certain level, the shear strength begins to decrease as the compressive stress continues to rise. (Yes)
Under combined shear and compressive loading, the shear strength of concrete increases as the compressive stress increases; however, once the compressive stress reaches a certain level, the shear strength begins to decrease as the compressive stress continues to rise. (Yes)
Under combined shear and compressive loading, the shear strength of concrete increases as the compressive stress increases; however, once the compressive stress reaches a certain level, the shear strength begins to decrease as the compressive stress continues to rise. (Yes)
Under combined shear and compressive loading, the shear strength of concrete increases as the compressive stress increases; however, once the compressive stress reaches a certain level, the shear strength begins to decrease as the compressive stress continues to rise. (Yes)
Under combined shear and compressive loading, the shear strength of concrete increases as the compressive stress increases; however, once the compressive stress reaches a certain level, the shear strength begins to decrease as the compressive stress continues to rise. (right)