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The foundation that is used when the soil mass is sufficiently erratic?
- a)Strap footing
- b)Combined footing
- c)Mat footing
- d)Rectangular combined footing
Correct answer is option 'C'. Can you explain this answer?
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The foundation that is used when the soil mass is sufficiently erratic...
Mat footing is used where the soil contains compressible lenses or the soil is sufficiently erratic so that the differential settlement would be difficult to control.
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The foundation that is used when the soil mass is sufficiently erratic...
Mat Footing
Mat footing, also known as raft footing, is the foundation type used when the soil mass is sufficiently erratic. This type of foundation is suitable for uneven or unpredictable soil conditions where individual footings or strip footings may not be practical.
Advantages of Mat Footing
- Provides a large area of support for the structure, distributing the load over a larger area and reducing the pressure on the soil.
- Suitable for soil with low bearing capacity or high variability, as it can spread the load more effectively.
- Offers increased stability and reduces the risk of differential settlement.
Design Considerations
- The design of mat footing takes into account the total load of the structure, the soil properties, and the anticipated settlement.
- The thickness of the mat footing is typically designed to ensure that the bearing capacity of the soil is not exceeded.
Construction Process
- The construction of mat footing involves excavating the soil to the required depth and then pouring concrete to create a continuous slab that supports the entire structure.
- Reinforcement bars are often used to strengthen the mat footing and distribute the load more effectively.
In conclusion, mat footing is the preferred foundation type in situations where the soil mass is sufficiently erratic. It offers advantages in terms of stability, load distribution, and suitability for challenging soil conditions.
Mat footing, also known as raft footing, is the foundation type used when the soil mass is sufficiently erratic. This type of foundation is suitable for uneven or unpredictable soil conditions where individual footings or strip footings may not be practical.
Advantages of Mat Footing
- Provides a large area of support for the structure, distributing the load over a larger area and reducing the pressure on the soil.
- Suitable for soil with low bearing capacity or high variability, as it can spread the load more effectively.
- Offers increased stability and reduces the risk of differential settlement.
Design Considerations
- The design of mat footing takes into account the total load of the structure, the soil properties, and the anticipated settlement.
- The thickness of the mat footing is typically designed to ensure that the bearing capacity of the soil is not exceeded.
Construction Process
- The construction of mat footing involves excavating the soil to the required depth and then pouring concrete to create a continuous slab that supports the entire structure.
- Reinforcement bars are often used to strengthen the mat footing and distribute the load more effectively.
In conclusion, mat footing is the preferred foundation type in situations where the soil mass is sufficiently erratic. It offers advantages in terms of stability, load distribution, and suitability for challenging soil conditions.
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The foundation that is used when the soil mass is sufficiently erratic?a)Strap footingb)Combined footingc)Mat footingd)Rectangular combined footingCorrect answer is option 'C'. Can you explain this answer?
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