EBK STRUCTURAL ANALYSIS
10th Edition
ISBN: 8220106821596
Author: HIBBELER
Publisher: PEARSON
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Chapter 4, Problem 4.20P
To determine
The shear and moment in the beam as a function of x.
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1- Present worth analysis
An Environmental engineer is considering two materials for use in a sustainable
building. All estimates are made below. (a) Which should be selected on the basis
of a present worth comparison at an interest rate of 12% per year? (b) At what
first cost for the material not selected above will it become the more economical
alternative?
يفكر مهندس بيئة في الاختيار بين مادتين لاستخدامهما في انشاء مبنى مستدام كافة البيانات
الاقتصادية الخاصة بالمادتين مذكورة في الجدول ادناه.
(أ) أي المادتين ستختار على أساس مقارنة القيمة الحالية ) present worth analysis) اذا كان
معدل الفائدة 12% سنويًا؟
(ب) كم يجب ان تصبح الكلفة الاولية رأس المال) للمادة غير المختارة أعلاه لتصبح البديل الافضل
اقتصاديا؟
Material A
First Cost
15000
Maintenance cost
9000
Salvage value
2000
Life
5
Material B
35000
7000
20000
5
2- IRR analysis
A manufacturer of hydraulic equipment is trying to determine whether it should
use monoflange double block and bleed (DBB) valves or a multi-valve system
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Models of Traffic Flow (Section 5.4)
5.7 An observer has determined that the time
headways between successive vehicles on a section of
highway are exponentially distributed and that 65%
of the headways between vehicles are 9 seconds or
greater. If the observer decides to count traffic in 30-
second time intervals, estimate the probability of the
observer counting exactly four vehicles in an interval.
5.8 At a specified point on a highway vehicles are
Chapter 4 Solutions
EBK STRUCTURAL ANALYSIS
Ch. 4 - Prob. 4.1PCh. 4 - Prob. 4.2PCh. 4 - Prob. 4.3PCh. 4 - Prob. 4.4PCh. 4 - Prob. 4.5PCh. 4 - Prob. 4.6PCh. 4 - Prob. 4.7PCh. 4 - Prob. 4.8PCh. 4 - Prob. 4.9PCh. 4 - Prob. 4.10P
Ch. 4 - Prob. 4.11PCh. 4 - Prob. 4.12PCh. 4 - Prob. 4.13PCh. 4 - Prob. 4.14PCh. 4 - Prob. 4.15PCh. 4 - Prob. 4.16PCh. 4 - Prob. 4.17PCh. 4 - Prob. 4.18PCh. 4 - Prob. 4.19PCh. 4 - Prob. 4.20PCh. 4 - Prob. 4.21PCh. 4 - Prob. 4.22PCh. 4 - Prob. 4.23PCh. 4 - Prob. 4.24PCh. 4 - Prob. 4.25PCh. 4 - Prob. 4.26PCh. 4 - Prob. 4.27PCh. 4 - Prob. 4.28PCh. 4 - Prob. 4.29PCh. 4 - Prob. 4.30PCh. 4 - Prob. 4.31PCh. 4 - Prob. 4.32PCh. 4 - Prob. 4.33PCh. 4 - Prob. 4.34PCh. 4 - Prob. 4.35PCh. 4 - Prob. 4.36PCh. 4 - Prob. 4.37PCh. 4 - Prob. 4.38PCh. 4 - Prob. 4.39PCh. 4 - Prob. 4.40PCh. 4 - Prob. 4.41PCh. 4 - Prob. 4.42PCh. 4 - Prob. 4.43PCh. 4 - Prob. 4.44PCh. 4 - Prob. 4.45PCh. 4 - Prob. 4.46PCh. 4 - Prob. 4.47PCh. 4 - Prob. 4.48PCh. 4 - Prob. 4.49PCh. 4 - Prob. 4.50PCh. 4 - Prob. 4.51PCh. 4 - Prob. 4.52PCh. 4 - Prob. 4.53PCh. 4 - Prob. 4.54PCh. 4 - Prob. 4.55PCh. 4 - Prob. 4.56PCh. 4 - Prob. 4.57PCh. 4 - Prob. 4.58PCh. 4 - Prob. 4.59PCh. 4 - Prob. 4.1PPCh. 4 - Prob. 4.2PP
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