Bored Pile Foundation (Machinery, Procedure & Quality)
Bored Pile Foundation (Machinery, Procedure & Quality)
πMachinery and Equipment
Bored pile αုα်αα်းα‘αွα် αိုα‘α်αဲ့ α α်αα ္α α်းαိαိαာαွေααော့ α‘ောα်αါα‘αိုα်းαြα ်αါαα်။
1- Hydraulic drilling rig for rotary drilling
2- Different types of drilling tools (buckets, auger, etc)
3- Excavator and dump truck for removal of excavated soil
4- Service crane for lifting the equipments
5- Vibrohammer for inserting and removing of steel casing
6- Bentonite mixing plant and accessories
7- De-sander
8- Welding machine and Generator
9- Air compressor for slime treatment
10- Tremie pipes and hopper for concrete casting
11- Steel plate for access way and working platform
πProcedure for Bored piling work
1. Survey setting out
2. Pre boring
3. Casing installation
4. Bentonite slurry filling
5. Drilling with proper bucket/auger
6. Removal of excavated soil
7. Sounding/ checking the boring depth
8. Cleaning th bottom of hole (Slime treatment)
9. Prepare the working platform for concreting
10. Installation the rebar cage
11. Inserting the tremie pipes
12. Concreting
13. Removal of steel casing
α αဲ့ αုα်αα်းα α₯်αွေαါαα်αြαါαα်။
✔️Quality control and Inspection
1. Position and Verticality of steel casing
2. Testing of Bentonite slurry (Density, Viscosity and PH, etc)
3. Diameter and verticality of drilling hole (Koden test)
4. Checking the cleanliness of hole bottom (Slime treatment)
5. Sounding (Checking the depth after drilling/ slime treatment and during concrete casting)
6. Rebar cage and lapping checking
7. Provision of necessary steel pipes for Pile integrity test in future
8. Concrete quality test
9. Timely comparison of Concrete cast volume and finished depth during concreting
α αဲ့ α‘αျα်αွေαို α α ်αေးααါαα်။
(αα်αα်)
αွေαှိုα်α₯ီး (αြို့αြ αααα)
Bored Pile Foundation (Machinery, Procedure & Quality)
Machinery and Equipment
The machinery and equipment required for bored pile construction include the following:
1. Hydraulic drilling rig for rotary drilling
2. Different types of drilling tools (buckets, augers, etc.)
3. Excavator and dump truck for removal of excavated soil
4. Service crane for lifting equipment
5. Vibrohammer for inserting and removing steel casing
6. Bentonite mixing plant and accessories
7. De-sander
8. Welding machine and generator
9. Air compressor for slime treatment
10. Tremie pipes and hopper for concrete casting
11. Steel plates for access way and working platform
Procedure for Bored Piling Work
1. Survey setting out
2. Pre-boring
3. Casing installation
4. Bentonite slurry filling
5. Drilling with proper bucket/auger
6. Removal of excavated soil
7. Sounding/checking the boring depth
8. Cleaning the bottom of the hole (slime treatment)
9. Preparing the working platform for concreting
10. Installing the rebar cage
11. Inserting the tremie pipes
12. Concreting
13. Removal of steel casing
These are the key steps involved in the process.
Quality Control and Inspection
1. Position and verticality of steel casing
2. Testing of bentonite slurry (density, viscosity, pH, etc.)
3. Diameter and verticality of the drilled hole (Koden test)
4. Checking the cleanliness of the hole bottom (slime treatment)
5. Sounding (checking depth after drilling/slime treatment and during concrete casting)
6. Rebar cage and lapping inspection
7. Provision of necessary steel pipes for future pile integrity tests
8. Concrete quality testing
9. Timely comparison of concrete cast volume and finished depth during concreting
These points must be carefully inspected to ensure quality.
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