CE537 Written Home Work Number 2
Due On or Before Tuesday, September 6, 2016
Problem Number One
Design a rectangular section for the beam with fc = 4 ksi, fy = 60 ksi, span L = 30 ft. The beam
weight is not included in the given loads. The uniform loads a
Direction of ce537, influenced by various
advices:
Dr. Daniel Amiri, former Ph.D. student of Dr.
James Anderson. He talked about ce537 of
old, he mentioned torsion, detailing of this,
detailing of that. Pile caps, connection of
columns to footings, etc.
D
Analysis and Design of Slabs
Slabs are flat useful surface, horizontal,
usually cast monolithically.
Figure (a) is a one-way slab while figure (b) is
a two-way slab.
But when the two-way support is a rectangle
greater than 2 to 1, as in figure (c), it is
Design the torsion reinforcement for a beam
shown at a section a distance d from the face
of the support for a torsional moment Tu of
24 ft-k, Vu = 90 k, fc = 3000 psi, and fy =
60, 000 psi. Clear cover = 1.50 in. Use #4
stirrups.
Determine the theoretica
Chapter 7 Analysis and Design for Torsion
Torsion usually happens concurrently with
Shear and Moment.
Only recently Torsion has its own analysis
method. Previously it is included in a large
safety factor.
(1) Curved bridge beams
(2) Eccentrically loaded b
ACI Provisions for minimum web width with
steel reinforcement (Chapter 5, Book2).
Reinforcement for Shear Stresses.
Placement of many vertical stirrups at
location with large shear (near the supports).
Some double stirrups have 4 vertical
elements. Standa
Column Design
Steel reinforcement: Most columns have 4% or less in
steel reinforcement. Steel reinforcement of 8% or higher
is uneconomical as well too congested (especially when
spliced) for concrete to flow past.
Size #14 and #18 reinforcement bars were
Shear Reinforcement for Flat Slabs
Two types of shear failure to analyze: (a) One-way shear
(usually not the most serious). (b) Two-way or punching
shear.
The gravity struts are used to change the shear failure to
that of flexure failure. Flexure failure
CE537 Home Work Assignment #1
Program the shear diagrams and moment diagrams in ASIC Steel
Manual Table 3-23, Figures 1, 2, 4 and 8. Assume the load values
of w and P as 1 so the functions could be scaled and
superimposed later on.
In Excel, use Alt-F11 t
A Statically Determined Torsion problem. Torsion
reinforcement must be provided or the structure
will collapse.
A statically Indetermined Torsion problem. Torsion
failure of a beam can gain support from other
members. Structure will not collapse even if a
CE537 Written Home Work Number 5
Due On or Before Tuesday, October 18, 2016
Problem Number One
Given a flat slab with no beam has a thickness of 7" and fc = 4000 psi.
(a) Find the maximum qu the slab could handle by checking the shear strength at all colu
CE537 Written Home Work Number 4
Due On or Before Tuesday, October 11, 2016
Problem Number One
Do a computer analysis of Torsional Problem on Page 5 of
Week 4 notes.
Problem Number Two
Do a computer analysis of Torsional Problem on Page 8 of
Week 4 notes.
CE537 Written Home Work Number 3
Due On or Before Tuesday, September 13, 2016
Problem Number One
Compute the design moment strength Mn of the beam shown in the
figure. Use fc = 4000 psi and fy = 60000 psi. Check for ductile
behavior.
Problem Number Two
Co
CE537 Written Home Work Number 6
Due On or Before Tuesday, November 15, 2016
Problem Number One
Create the interaction diagram for the steel reinforcement pattern in
the figure to the right. Using = 0.70, fc = 4 ksi and fy = 60 ksi.
Put three curves in th