PROBLEM NO.1 A 305MM WIDE RECTANGULAR BEAM HAS AN OVERALL DEPTH OF 560MM. THE BEAM IS REINFORCED WITH FOUR 25MM DIAMETER COMPRESSION BARS. THE CENTROID OF TENSION AND COMPRESSION BARS ARE 70MM FROM THE EXTREME CONCRETE FIBER. ASSUME FY=415MPA AND FC'=29MPA. DETERMINE THE FOLLOWING; a. THE BALANCED TENSION STEEL AREA AND THE NOMINAL AND ULTIMATE BALANCED MOMENT. b. THE MAXIMUM TENSION STEEL AREA AND THE NOMNAL AND ULTIMATE MAXIMUM MOMENT.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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PROBLEM NO.1
A 305MM WIDE RECTANGULAR BEAM HAS AN OVERALL DEPTH OF
560MM. THE BEAM IS REINFORCED WITH FOUR 25MM DIAMETER
COMPRESSION BARS. THE CENTROID OF TENSION AND COMPRESSION
BARS ARE 70MM FROM THE EXTREME CONCRETE FIBER. ASSUME
FY=415MPA AND FC'=29MPA. DETERMINE THE FOLLOWING;
a. THE BALANCED TENSION STEEL AREA AND THE NOMINAL AND
ULTIMATE BALANCED MOMENT.
b. THE MAXIMUM TENSION STEEL AREA AND THE NOMNAL AND
ULTIMATE MAXIMUM MOMENT.
PROBLEM N O.2
A BEAM SECTION IS SHOWN IN THE FIGURE. THE BEAM WILL BE
SUBJECTED TO A MAXIMUM SERVICE DEADLOAD OF 360 KN.M. WHAT
IS THE SAFE SERVICE LIVELOAD MOMENT FOR THIS BEAM? FC'=21IMPA
AND FY=415 MPA.
320mm-
30mm
木
2-25mm
650 mm
10-28 wmg
28 mm
Zo Mm
*USE NSCP 201O SPECIFICATIONS
Transcribed Image Text:PROBLEM NO.1 A 305MM WIDE RECTANGULAR BEAM HAS AN OVERALL DEPTH OF 560MM. THE BEAM IS REINFORCED WITH FOUR 25MM DIAMETER COMPRESSION BARS. THE CENTROID OF TENSION AND COMPRESSION BARS ARE 70MM FROM THE EXTREME CONCRETE FIBER. ASSUME FY=415MPA AND FC'=29MPA. DETERMINE THE FOLLOWING; a. THE BALANCED TENSION STEEL AREA AND THE NOMINAL AND ULTIMATE BALANCED MOMENT. b. THE MAXIMUM TENSION STEEL AREA AND THE NOMNAL AND ULTIMATE MAXIMUM MOMENT. PROBLEM N O.2 A BEAM SECTION IS SHOWN IN THE FIGURE. THE BEAM WILL BE SUBJECTED TO A MAXIMUM SERVICE DEADLOAD OF 360 KN.M. WHAT IS THE SAFE SERVICE LIVELOAD MOMENT FOR THIS BEAM? FC'=21IMPA AND FY=415 MPA. 320mm- 30mm 木 2-25mm 650 mm 10-28 wmg 28 mm Zo Mm *USE NSCP 201O SPECIFICATIONS
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