I have this mini project, that has a concrete construction of a residential buil
ID: 1921069 • Letter: I
Question
I have this mini project, that has a concrete construction of a residential building, the net area of the house is = 763 ft2.
I need to know how to do the following :
1-How do I determine the appropriate live and dead loads based on the intended occupancy of the
building?
2-Then,Using the most heavily loaded elements in the structure, design
a. One slab (either continuous or simply-supported depending on the design support
conditions),
b. One beam (either continuous or simply-supported depending on the design
support conditions),
c. One column,
d. One column footing,
e. Note: include member self-weight in calculations
Any answers for any part is appreciated. i dont know where to start, or how to do this...
Explanation / Answer
DESIGN OF SLABS
1. GENERAL
A slab is a flat two dimensional planar structural element having thickness small compared to its
other two dimensions. It provides a working flat surface or a covering shelter in buildings. It
primarily transfer the load by bending in one or two directions. Reinforced concrete slabs are
used in floors, roofs and walls of buildings and as the decks of bridges. The floor system of a
structure can take many forms such as in situ solid slab, ribbed slab or pre-cast units. Slabs may
be supported on monolithic concrete beam, steel beams, walls or directly over the columns.
Concrete slab behave primarily as flexural members and the design is similar to that of beams.
2. CLASSIFICATION OF SLABS
Slabs are classified based on many aspects
1) Based of shape: Square, rectangular, circular and polygonal in shape.
2) Based on type of support: Slab supported on walls, Slab supported on beams, Slab
supported on columns (Flat slabs).
3) Based on support or boundary condition: Simply supported, Cantilever slab,
Overhanging slab, Fixed or Continues slab.
4) Based on use: Roof slab, Floor slab, Foundation slab, Water tank slab.
5) Basis of cross section or sectional configuration: Ribbed slab /Grid slab, Solid slab,
Filler slab, Folded plate
6) Basis of spanning directions :
One way slab