Structural Analysis, Si Edition (mindtap Course List)
6th Edition
ISBN: 9781337630948
Author: KASSIMALI, Aslam
Publisher: Cengage Learning
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Question
Chapter 2, Problem 11P
To determine
Find the live loads acting on the girder AG, beam EF, and column A.
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Ex 11: Design inlet system for the road in figure below with
catchment area=86 m*239 m. C=0.8, i=100 mm/hr, Gutter data: y
max.=8cm, n=0.018, k=0.38, slope=%1, Z=25, %25 clogging,
(space=bar=2 cm). Inlet type used (consists of tow part curb and
Q grad inlet =0.6Qgutter max.
grade inlet) Q curb inlet =0.4Qgutter max.
0.8*100
3600*1000
Solution: (Qs) Total=CIA=
Qgutter (Max.)=k²√√s y8/3 = 0.38-
25
0.018
*(86*239)=0.457 m³/s
√0.01 0.088/3= 0.0627 m³/s
30 m
12 m
2mL
12 m
30 m
Residence
30 m
Streat
12 m
Bof
2 m
ㅈ
239 m
A2
A1
(20
02 A concrete beam of rectangular cross-section (300 x 400) mm is Prestressed with
wires located at (30) mm from the top of the beam .The wires are initially tensioned to
0-6 mm) diameter wires at (100) mm from the soffit of the beam and (5-6 mm)
a stress of (900 N/mm²). Compute the percentage loss of stress in steel after transfer due
to elastic deformation of concrete.
Given: Es=200 x 103 N/mm², Ec = 25 x 10³ N/mm².
300
за
60000
400
100
546
2046
Reinforced Concrete Design
First Monthly Exam
24/02/2
Q1. A simply supported rectangular beam (300 x 400) mm and span (12) m with live load of
from the soffit of the beam. Compute the stresses at mid-span of beam for the following
(5 kN/m). At the centre of the beam the prestressing force of (120) kN is located at (50 mm)
conditions:
(a) Prestress + self- weight of beam (initial stage).
(b) Prestress + self- weight of beam + Live Load (service stage).
3:00
400
120
K
*
12m
5kN/m.
120 KN
Chapter 2 Solutions
Structural Analysis, Si Edition (mindtap Course List)
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