Reinforced Concrete
Sample Problems
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Sample Problems
Codes
Methods of Analysis
Floor frame with spandrel beam (November 2018)
Beam DEF is supported by spandrel beams ...
the critical negative moment
the critical positive moment
the critical shear force
Two-span beam: (November 2019)
Refer to the figure shown ...
Determine the moment at B
Determine the moment at C
The critical positive moment
Development Length
Cantilever beam, development of top and bottom bars: (November 2019)
Refer to the cantilever beam shown...
Total required length of bar A ...
Total required length of bar B ...
Total required length of bar A if ...
Concrete Mix
Proportioning concrete trial batch (November 2018)
Given the following data for proportioning trial ...
Solid volume of water, cement, ...
How much cement is needed ...
Combined volume of ...
Flexure and Shear
Flexure and Shear
Doubly reinforced beam with 4 legs of stirrups: (November 2018)
The beam reinforced for negative moment at the column ...
moment capacity
shear strength provided by shear reinforcement
nominal shear strength
Shear
Rectangular beam with four legs of stirrups (November 2019)
Given the following data of the beam shown..
the minimum beam width
the design shear strength
the required effective depth
Beam Deflection
Deflection of rectangular concrete beam: (November 2019)
Given the following data of a singly-reinforced beam...
the cracking moment
the transformed moment of inertia
the immediate deflection
Column
Spiral column
Slenderness ratio and number of bars of a spiral column (November 2018)
Given the data of the spiral column
slenderness ratio
steel ratio
number of bars
Column Interaction Diagram
Interaction diagram, rectangular column: (November 2019)
Rectangular tied column interaction diagram.
design axial strength
design moment
required column depth
Footing
Combined Footing
Combined footing, given shear diagram (November 2019)
Refer to the combined footing shown:
punching shear stress
wide beam shear stress
number of bars
Wall Footing
Wall footing subject to axial load and moment (November 2018)
A 300-mm thick concrete wall ...
footing width to prevent uplift
overturning moment
maximum pressure
Pile Cap
Rectangular pile cap with nine piles (November 2018)
A column is supported by a pile cap ...
punching shear stress
critical beam shear stress
critical design moment