Fill, Select-Fill and Marl Cap Materials Receiving Inspection | Earthwork – Site Preparation, Excavation and Backfilling | General Fill | Engineered Fill | Structural Fill:
In this article we will discuss about Fill, Select-Fill and Marl Cap Material Receiving Inspection | Earthwork Site Preparation | Earthwork Excavation and Backfilling | General Fill | Engineered Fill | Structural Fill.
Fill Materials:
- Gravel, sand and/or marl materials-maximum size shall be 75mm. Note: If ½ of lift thickness is less than 75mm, the maximum sieve size allowed shall be equal to ½ of lift thickness.
- Delivered fill materials shall be free of frozen lumps, organic material, trash, chunks of highly plastic clay or other unsatisfactory materials.
- ‘Fill Material’ shall be used for all fills except where ‘Select Fill Material’ is specified. As a minimum, ‘Select Fill Material’ shall be used within 0.6 m (2 ft) of the bottom elevation of foundations, spread footings, or slabs-on-grade when fill is required to achieve final grade. ‘Select Fill Material’ shall also be specified for backfill which will be in contact with concrete or steel structures.
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Precautions to be Taken While Placing of Concrete | Concrete Pouring
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Characteristics and Size of Aggregates Used in Construction
Select Fill Materials:
- Maximum size of sand and gravel materials being received shall be 50mm diameter particles.
- Select fill are composed only of inorganic materials and are free of frozen lumps, trash, or other unsatisfactory materials.
Marl Cap Materials:
- Maximum size of marl materials being received shall be 75mm. Note: If ½ of lift thickness is less than 75mm, the max. sieve size allowed shall be equal to ½ of lift thickness.
- Delivered fill materials shall be free of organic material, trash, or other unsatisfactory materials.
Conclusion:
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