Question 1

Which of the following is not considered to be a lateral earth pressure that an earth retaining system (ERS) is typically designed to resist?

Accepted Answer

A) At-rest 
B) Active 
C) Passive 
D) Aggressive 
A) At-rest 
B) Active 
C) Passive 
D) Aggressive D

Question 2

Which of the following is a type of a retaining wall system?

Accepted Answer

A) Cantilever 
B) Tied-back 
C) Soil nailing 
D) All of the above 
A) Cantilever 
B) Tied-back 
C) Soil nailing 
D) All of the above D

Question 3

A retaining wall system can be classified according to three factors. Which of the following is not generally considered as a classification factor?

Accepted Answer

A) System rigidity 
B) Construction method 
C) Situational use 
D) Load support mechanism 
A) System rigidity 
B) Construction method 
C) Situational use 
D) Load support mechanism C

Question 4

In the cases of active and passive lateral earth pressure acting on a retaining wall, the failure zone is typically bounded by the failure surface of the retained soil mass and which of the following points?

Accepted Answer

A) Back face of the wall 
B) Failure wedge 
C) Top of the wall 
D) Not enough information provided 
A) Back face of the wall 
B) Failure wedge 
C) Top of the wall 
D) Not enough information provided

Question 5

Which of the following measures are commonly used to reduce the impact of swelling pressure from expansive clay soil that may be present behind a retaining wall?

Accepted Answer

A) Treat soil with lime 
B) Use granular filter material between clay backfill and back of wall 
C) Excavate and replace soils with acceptable borrow material 
D) All of the above 
A) Treat soil with lime 
B) Use granular filter material between clay backfill and back of wall 
C) Excavate and replace soils with acceptable borrow material 
D) All of the above

Question 6

Which of the following measures is taken to minimize frost-related stresses that may develop behind earth retaining systems that hold back fine-grained soils?

Accepted Answer

A) Install permeable drainage system or impervious barrier to isolate backfill from groundwater 
B) Use pervious backfill and install weep holes in retaining structure 
C) Provide an impervious soil layer near the ground surface and direct surface water away from structure 
D) All of the above 
A) Install permeable drainage system or impervious barrier to isolate backfill from groundwater 
B) Use pervious backfill and install weep holes in retaining structure 
C) Provide an impervious soil layer near the ground surface and direct surface water away from structure 
D) All of the above

Question 7

Which of the following is not considered to be a vertical surface load that may be applied over a limited area of an earth retaining system?

Accepted Answer

A) Shape 
B) Strip 
C) Line 
D) Point 
A) Shape 
B) Strip 
C) Line 
D) Point

Question 8

Which of the following earth retaining wall systems is generally considered to be rigid?

Accepted Answer

A) Gravity walls 
B) Braced 
C) Cantilever 
D) All of the above 
A) Gravity walls 
B) Braced 
C) Cantilever 
D) All of the above

Question 9

Which of the following statements applies to support of excavation (SOE) temporary earth support systems (ERS)?

Accepted Answer

A) Life cycle is based on actual project conditions 
B) Commonly designed to less restrictive criteria than permanent systems 
C) Design is typically based more on system stability than minimizing ground movements 
D) All of the above 
A) Life cycle is based on actual project conditions 
B) Commonly designed to less restrictive criteria than permanent systems 
C) Design is typically based more on system stability than minimizing ground movements 
D) All of the above

Which of the following is not considered to be a lateral earth pressure that an earth retaining system (ERS) is typically designed to resist?

Which of the following is a type of a retaining wall system?

A retaining wall system can be classified according to three factors. Which of the following is not generally considered as a classification factor?

In the cases of active and passive lateral earth pressure acting on a retaining wall, the failure zone is typically bounded by the failure surface of the retained soil mass and which of the following points?

Which of the following measures are commonly used to reduce the impact of swelling pressure from expansive clay soil that may be present behind a retaining wall?

Which of the following measures is taken to minimize frost-related stresses that may develop behind earth retaining systems that hold back fine-grained soils?

Which of the following is not considered to be a vertical surface load that may be applied over a limited area of an earth retaining system?

Which of the following earth retaining wall systems is generally considered to be rigid?

Which of the following statements applies to support of excavation (SOE) temporary earth support systems (ERS)?

Earth Structures

Earthworks

Estimation

Foundations

Hydraulics Closed

Hydraulics Open

Hydrology

Material Mechanics

Material QC

Member Design

Scheduling

Soil and Materials

Soil Mechanics

Struct Loading

Struct Materials

Struct Analysis

Subsurface

Transportation

Waste Water

Water Treatment

Filters

Exam 1: Earth Retention

Which of the following is not considered to be a lateral earth pressure that an earth retaining system (ERS) is typically designed to resist?

Which of the following is a type of a retaining wall system?

A retaining wall system can be classified according to three factors. Which of the following is not generally considered as a classification factor?

In the cases of active and passive lateral earth pressure acting on a retaining wall, the failure zone is typically bounded by the failure surface of the retained soil mass and which of the following points?

Which of the following measures are commonly used to reduce the impact of swelling pressure from expansive clay soil that may be present behind a retaining wall?

Which of the following measures is taken to minimize frost-related stresses that may develop behind earth retaining systems that hold back fine-grained soils?

Which of the following is not considered to be a vertical surface load that may be applied over a limited area of an earth retaining system?

Which of the following earth retaining wall systems is generally considered to be rigid?

Which of the following statements applies to support of excavation (SOE) temporary earth support systems (ERS)?

Earth Structures

Earthworks

Estimation

Foundations

Hydraulics Closed

Hydraulics Open

Hydrology

Material Mechanics

Material QC

Member Design

Scheduling

Soil and Materials

Soil Mechanics

Struct Loading

Struct Materials

Struct Analysis

Subsurface

Transportation

Waste Water

Water Treatment

Filters