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Question 24/41
Why is the vertical surface of a dry-stacked stone wall often battered into the retained material?
Correct Answer: A
A battered (leaning back) face on a dry-stacked retaining wall improves stability against lateral earth pressure by shifting the wall's resultant closer to/within the middle third of the base, increasing frictional resistance and reducing overturning. It does not significantly change permeability (C) or directly increase cohesion between stones (D), and erosion resistance (B) is secondary compared to stability.
PDD References: Site & foundation systems-retaining wall behavior, active/passive earth pressures; IBC
/Geotechnical fundamentals; CSI Div. 32 site improvements.
PDD References: Site & foundation systems-retaining wall behavior, active/passive earth pressures; IBC
/Geotechnical fundamentals; CSI Div. 32 site improvements.
- Question List (41q)
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- Question 5: Which of the following documents would the architect need in...
- Question 6: An architect is designing a new poured-in-place concrete res...
- Question 7: During an analysis of an existing sanitary sewer crossing a ...
- Question 8: (Exhibit) Refer to the exhibit. Which of the following corre...
- Question 9: In the critical path method of scheduling for new constructi...
- Question 10: An architect needs to reduce the budget by $150,000 for a pr...
- Question 11: (Exhibit) Refer to the exhibit. What is an accurate descript...
- Question 12: A family-owned apple farm in the Upper Midwest is taking adv...
- Question 13: Which document is the most appropriate location for specifyi...
- Question 14: (Exhibit) Refer to the exhibit. What set of conductors shoul...
- Question 15: Which of the following must be considered in the proper sele...
- Question 16: Fire and smoke control requirements for air ducts include wh...
- Question 17: Where is the proper place to put a vapor barrier in a cold c...
- Question 18: An architect is coordinating the mechanical and structural s...
- Question 19: A family-owned apple farm in the Upper Midwest is taking adv...
- Question 20: A family-owned apple farm in the Upper Midwest is taking adv...
- Question 21: (Exhibit) Refer to the exhibit. Construction document drawin...
- Question 22: (Exhibit) Refer to the exhibit. What is the horizontal membe...
- Question 23: Specifications and details for repointing deteriorated mason...
- Question 24: Why is the vertical surface of a dry-stacked stone wall ofte...
- Question 25: Temporary shoring of a masonry wall should remain in place u...
- Question 26: Which of the following methods of mortar joint finishing has...
- Question 27: In an air-conditioned space in a tropical environment, roof ...
- Question 28: (Exhibit) Refer to the exhibit. In the diagram shown, what i...
- Question 29: A family-owned apple farm in the Upper Midwest is taking adv...
- Question 30: Before construction documents are complete, the owner reques...
- Question 31: (Exhibit) Refer to the exhibit. What will the overall coeffi...
- Question 32: (Exhibit) Refer to the exhibit. The exterior cast-in-place c...
- Question 33: (Exhibit) Refer to the exhibit. An architect reviews the con...
- Question 34: An architect is designing a sub-surface drainage system that...
- Question 35: (Exhibit) Refer to the exhibit. An architect is developing a...
- Question 36: Which species of wood is often used as a substitute for more...
- Question 37: The client requests to limit daylighting in a second-story b...
- Question 38: Given the information below, which of the following is the c...
- Question 39: Which of the following best explains the function of Divisio...
- Question 40: The architect has completed 60% of the construction document...
- Question 41: In addition to reducing heat conductance, the thermal break ...
