BACKED FILL Meaning and
Definition
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Backed fill refers to a construction technique involving the placement of excavated or borrowed materials behind retaining walls, abutments, or other structural elements to provide additional support and stability. It is used in various engineering and construction applications to strengthen and reinforce structures against soil pressure.
The process of backed fill typically begins by excavating soil or other suitable materials from an area near the construction site. These excavated materials are then compacted and placed in layers directly behind the wall or structure. The purpose of using backed fill is to minimize the lateral pressure exerted by the soil against the structure, preventing potential instability or collapse.
The selection of appropriate materials for backed fill is crucial to ensure optimal performance. Generally, materials such as granular soils, crushed stones, or select fill are commonly used due to their relatively high strength and ability to resist compaction. The fill is carefully placed and compacted in successive layers, ensuring uniformity and stability.
Backed fill not only provides additional support to the structure itself but also helps in preventing settlement or distortion of the surrounding soil. This technique is commonly employed in various construction projects, including bridge abutments, retaining walls, culverts, and highway embankments.
Proper design and execution of backed fill are essential to ensure the long-term stability and safety of the structure. Engineers consider factors such as soil properties, loads, and location while determining the appropriate design and specifications for the backed fill materials and installation process.
Common Misspellings for BACKED FILL
- backk fill
- vacked fill
- nacked fill
- hacked fill
- gacked fill
- bzcked fill
- bscked fill
- bwcked fill
- bqcked fill
- baxked fill
- bavked fill
- bafked fill
- badked fill
- bacjed fill
- bacmed fill
- bacled fill
- bacoed fill
- bacied fill
- backwd fill
- backsd fill
Etymology of BACKED FILL
The term "backed fill" combines two words: "backed" and "fill".
The word "backed" is the past participle form of the verb "back", which means to provide support or reinforcement to something. It ultimately derives from the Middle English word "bak", which means back or behind.
The word "fill" is a noun that refers to material used to occupy a space or cavity. It can also be traced back to the Old English word "fyllan", meaning to fill or replenish.
When combined in the context of construction or excavation, "backed fill" refers to the material used to fill or support the space behind a structure, such as a retaining wall or a foundation. The term indicates that the fill material is placed and compacted against a structure's backside to provide stability and support.
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