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Listening Quiz: Độ Bền Kéo Cho Vải Địa Kỹ Thuật Trong Gia Cố Mái Dốc – Advanced Level
Th8 29, 2025
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Kỹ sư dệt may (English for Textile Engineer)
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1.
What is the main topic of Daniel and Emily’s conversation?
Comparing different brands of construction equipment
Planning a landslide rescue operation
Choosing the best color for geotextile material
Determining the required tensile strength for geotextile in slope reinforcement
Explanation:
They discuss how to determine geotextile tensile strength, including soil weight, slope angle, safety factor, testing, and durability.
2.
According to Daniel, how do they decide the right tensile strength?
By asking the manufacturer for a recommendation
By comparing two different installation methods
By measuring the slope angle and soil weight
By checking the weather forecast
Explanation:
Daniel says they calculate the strength based on soil weight and slope angle.
3.
What safety factor does Daniel say is usually applied?
1.5 to 2
1.0 to 1.2
0.5 to 1
2.5 to 3.0
Explanation:
Daniel says a factor of 1.5 to 2 is usually applied.
4.
Why does Daniel mention adding extra margin for installation damage?
Because installation can reduce the geotextile’s strength
Because the slope angle changes during testing
Because the soil weight is always lower after installation
Because the geotextile may become stronger after installation
Explanation:
Daniel says installation can reduce strength, so extra margin is needed to account for that loss.
5.
What standard lab test does Daniel mention for checking tensile strength?
ASTM B117
EN 1997
ISO 9001
ASTM D4595
Explanation:
Daniel says tensile strength is tested using standard lab tests like ASTM D4595.
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