Traffic and Highway Engineering
5th Edition
ISBN: 9781305156241
Author: Garber, Nicholas J.
Publisher: Cengage Learning
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Chapter 12, Problem 21P
To determine
The share of person-trips by each of two modes by the use of multinomial logit model.
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4 m
100 kN
12 kN/m
5 m
-1.5 m-1.5 m
Q1) Choose the correct answer:
1- Rankine's theory of earth pressure neglect:
The pressure on the wall is to act parallel to the surface of the soil at angle (B) to the horizontal.
The effect of cohesion on active and passive pressure.
The friction developed between a retaining wall and the soil.
o The depth of tension zone.
o The effect of water table.
2- The lateral earth pressure is the lateral pressure that developed from:
o Water beside it.
o
Soil beside structure.
o External loads.
o
All the above.
o Excavation beside structure.
3- The coefficient of earth pressure at rest represented as
o
Ko-1-sing
expression given by Jaky.
o Ko-sing
。 Ko-1-cosp
о
o Ko-cosp
。 Ko" tano
4- If the backfill carries a uniform surcharge q, then the lateral pressure at the depth of wall His:
o pa-Ka yz+Ka q
o pa Ka yz-Ka q
o pa Ka yz*Ka q
o pa Ka yz/Ka q
。 pa=Ka yz+q
5- During the active state of plastic equilibrium, the retaining wall moves:
o
Towards the fill
o
Away from the fill
o Does not change…
س 1:
سم
،
خمن كمية الأعمال الترابية اللازمة لتنفيذ جزء من القناة وفقًا للبيانات التالية: عرض القناة = 3م المنحدر الجانبي في الحفر = 1:1
وفي الدفن = 1:1.5 عرض الضفة = 2 م من الجانبين عمق الاملاء الكامل ) full supply depth)= 80
السافة العمودية بين
اعلى مستوى للمياه واعلى نقطة في الضفة الجانبية ( free board) = 40 سم، ميل القاعدة = 1:5000 مستوى قاعدة القناة المقترح
R.D. (m)
1000
2000
3000
4000
G.L. (m)
210.8
210.4
208.8
208.4
FSD
210= (P.B.L)
BANK OF
CHANNEL
Chapter 12 Solutions
Traffic and Highway Engineering
Ch. 12 - Prob. 1PCh. 12 - Prob. 2PCh. 12 - Prob. 3PCh. 12 - Prob. 4PCh. 12 - Prob. 5PCh. 12 - Prob. 6PCh. 12 - Prob. 7PCh. 12 - Prob. 8PCh. 12 - Prob. 9PCh. 12 - Given a table with production and attraction data,...
Ch. 12 - Given a table with production and attraction data,...Ch. 12 - Prob. 12PCh. 12 - Prob. 13PCh. 12 - Prob. 14PCh. 12 - Prob. 15PCh. 12 - Prob. 16PCh. 12 - Prob. 17PCh. 12 - Prob. 18PCh. 12 - Prob. 19PCh. 12 - Prob. 20PCh. 12 - Prob. 21PCh. 12 - Prob. 22PCh. 12 - Prob. 23PCh. 12 - Prob. 24PCh. 12 - Prob. 25PCh. 12 - Prob. 26PCh. 12 - Prob. 27PCh. 12 - Prob. 28P
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