Shurong Lin,
Slim56
REINFORCED CONCRETE DESIGN, I
Spring 2016
Homework Assignment 1
Concrete Construction
Due Tuesday, January 26
1. Describe in a few words what the primary constituents of concrete are.
Water, aggregates, cements
2. List five good attrib
Midterm Exam Review
CEE461
Problem 1. Assume the section shown below is subjected to negative bending moment.
Find its bending strength (Mn), reduced bending strength (Mn) and curvature at ultimate
(n). Use fc = 4000 psi for concrete and fy = 60,000 psi f
Clarity factor
CEE 4730/6730
Quiz #2, August 28, 2015
Correctness
Quiz Score
Name_
L/2
L/2
wL/2
Uniformly distributed
load w in units of
force per unit length
of beam.
wL/2
Derive the expression for the bending moment in the beam at the center of the span
CEE 4730/6730 Reinforced Concrete Design
Quiz #3, August 28, 2015
1
What is the sum of 2.34 + 5.6 + 4 + 6.829?
Name _
19
It looks like 18.769, but 4 is only one sig-fig.
Minimum number of decimal places is preserved
for addition and subtraction, so the be
Clarity factor
CEE 4730/6730
Quiz #6, September 1, 2015
Correctness
Quiz Score
Name_
Ultimate Strength Moment Capacity
Datum Line
a
d
8.00
C
fc = 4,000 psi
Ec = 57,000 (fc)0.5 psi
Es = 29,000,000 psi
N.A.
7.00
Reinforcing = #6 bar @ 7
Area of each bar = 0
CEE 4730/6730
Quiz #1, Tuesday, August 25, 2015
Name _
Policy on Quizzes, CEE 4730/6730
1. There will be at least 30 quizzes over the semester, meaning that at least one, and
occasionally more than one quiz can be expected each class and or section.
2. Qu
Clarity factor
CEE 4730/6730
Quiz #7, September 1, 2015
Correctness
Quiz Score
Name_
fc = 4,000 psi=4.00 ksi=4.00x103 psi
Ultimate Moment Capacity of a 12 wide slab strip
Reinforcing = #5 bar @ 14.00
Compression Face
a
d
5.00
C
Area of each bar = 0.310 in
CEE461 Reinforced Concrete I
Gurfinkel and Asem
University of Illinois at Urbana-Champaign
Spring 2017
Name:_
Roster No.:_
Homework Set 8
Follow Homework Assignment requirements in the Class Protocol.
Due date: Wednesday, March 29, 2017
Building Design Pr
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University of Illinois at Urbana-Champaign
C 55461 - Reinforced Concrete I
Gurnkei and Asem Fall 2016 M ,
Name: 914 SIX mun. \n \1.
Roster Nag-"LI.
w: Thad-q!
Homework Set 5
ework Assignment requirements in the Class Protocol.
Follow
Beam Design for 2016 Semester Project
Flexural design based on moment envelopes
fy (ksi) = 60
f'c (in psi) = 4000
numbers in blue are input
numbers in black are computed
numbers in green are based on design judgement
Concrete cost per cubic yard = $300
re
Module 4a:
Floor Loadings
North
1
Up
Floor Plan
N
A
B
C
20
20
Beam 1
10
1
Beam 2W
Beam B
Beam A
10
3
Beam C
Beam 2E
2
Beam 3W
Beam 3E
2
Uniform Floor Loads
Live Load = 50 psf
U = 1.2D + 1.6L = 1.2(75) +1.6(50) = 170 psf
U = 0.9D = 0.9(75) = 67.5 psf
Beam
CEE 461-NP
Reinforced Concrete Design, I
Spring 2016
Homework Assignment 8
Shear Design of Beams
Due Tuesday, March 29
Design all of the beams for the flooring system shown below so that they will have
sufficient shear strength. Use the same loadings and
Module 3:
Analysis and Design
for Concentric Axial Loads
CEE 461: Reinforced Concrete Design, slide 3-1
Column Examples
P
P
P
P
CEE 461: Reinforced Concrete Design, slide 3-2
Column Examples
P
P
P
P
CEE 461: Reinforced Concrete Design, slide 3-3
Assumptio
Module 1:
Concrete Construction and Design
CEE 461: Reinforced Concrete Design, slide 1-1
Introduction
What is concrete?
Early use of concrete: lime mortars 12,000BC.
Advantages of using concrete:
can be molded and shaped
high compressive strength
g
Clarity factor
This quiz introduces the
concept of Cover over the
reinforcing steel
CEE 4730/6730
Quiz #8, September 3, 2015
Correctness
Quiz Score
Name_
fc = 5,000 psi=5.00 ksi=5.00x103 psi
Ultimate Moment Capacity of a 12 wide slab strip
Reinforcing = #
Clarity factor
CEE 4730/6730 Concrete Structures
Quiz #11, September 8, 2015
Correctness
Quiz Score
Name_
Ultimate failure (ultimate strength, limit state) Strain Distribution
a
C
d = 3.75 in
5.00
Show answers, calcs
not required.
fc = 4,000 psi=4.00 ksi
Clarity factor
CEE 4730/6730 Concrete Structures
Quiz #9, September 4, 2015
Correctness
Quiz Score
Name_
Ultimate failure (ultimate strength, limit state) Strain Distribution
The sig-fig issue can get complicated depending on how many steps one takes in t
Materials
2
f c f 'c c c
'c 'c
E
E c 57000 f ' c ; n s
Ec
f cr
fc
1 500 c
2
bal
0.85 f ' c 1 87000
.
87000 f
fy
y
As ,max .75 bal bw d
c , max
3
1 / 4
; k1 ; k2
'c
3
3
fy
f'
1 c ;
; R w f ' c (1 .59w)
4 fy
Bending
y
M
1 bot top top
R h
h
c
Materials
2
f c f 'c c c
'c 'c
E
E c 57000 f ' c ; n s
Ec
f cr
fc
1 500 c
2
bal
0.85 f ' c 1 87000
.
87000 f
fy
y
As ,max .75 bal bw d
c ,max
1 /4
2
; k1
; k2
3
3
'c
fy
f'
1 c ;
; R w f ' c (1 .59w)
f 'c
4 fy
Bending
y
M
1 bot top top
R h
CEE461
Reinforced Concrete 1
Term Test 1
Thursday Feb. 19, 2009
Name: _
(last)
(first)
This test will be graded out of 40 points.
(Question 1: 10 points.)
For the cross-section described below, evaluate the following:
(i) Mcr and cr (using transformed sec
CEE461
Reinforced Concrete 1
Term Test 3
Tuesday April 21, 2009
Name: _
(last)
(first)
This test will be initially graded out of 40 points.
(Question 1: 8 points.)
Consider the reinforced concrete cross-section that is described in the figure below and by
CEE461
Reinforced Concrete 1
Term Test 1
March 10, 2011
Name: _
(last)
(first)
This test will be graded out of 40 points.
(Question 1: 8 points.)
Consider that cross-section shown below that is 10 inches wide, 30 inches high, and has 3 #8
bars centered at
CEE461
Final Exam
Spring 2009
Name:_
(last name)
(first name)
This test will be graded out of 50 points. Remember that the numerical grade (# points awarded) on a question
with a qualitative component will depend on the completeness and full accuracy of y