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Help CenterPile Drilling Rig! FAE250 Type Drilling Rig
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pile drilling rig! FAE250 type drilling rig
What FAE could offer?
CFA is a efficient piling technique in soft and medium soils, causing minimal disturbance and ideal for use in environmentally sensitive areas.
This method of BORED(replacement) piling, first carried out in the United Kingdom in the mid60's,is now the most common type of pile constructed.
Although all types of pile have their advantages and disadvantages, the(CFA) pile is now used in all types of soil to support nearly all types of structures.
The advances in concrete mix design and piling rig (computer) technology has enabled high production levels to be achieved with quality workmanship The CFA pile is essentially a nondisplacement type pile.
Hence, there is limited risk of damage to adjacent foundations or underground utilities from ground displacement or densification of loose sands,as can occur with displacement piles.
Another advantage is that CFA piles can be installed with little vibrations or noise. Should problems occur during pile construction, it is relatively simple to redrill and install the pile at the same location, thereby eliminating the need tore design the pile group or the pile caps.
An important feature of present day CFA piles is the use of a reliable flow meter to monitor and record the whole process of construction of this type of pile.
The items recorded are usually penetration/uplift per revolution, auger depth, concrete supply per increment of auger uplift during placing, and
injection pressure at the auger head.
FAE has developed and designed very high performance CFA rigs provided with high torque rotary head, crowd and extraction force winches,
large diameter facility and long stroke mast.
CFA pile, also known as auger cast pile, is formed by drilling into the
ground with a hollow stemmed continuous flight auger to the required
depth or degree of resistance.
A high slump concrete mix is then pumped down the stem of the auger. While the concrete is pumped, the auger is slowly withdrawn.
The spoil on the flights is recovered by means of a hydraulic auger cleaner applied to the mast of the rig.
A shaft of fluid concrete is formed to ground level. A reinforcement cage is placed along the formed and still fluid concrete column.
Longer reinforcement cages can be installed by an auxiliary vibrator.
Application field:
-Mud, clay and sand,also in very dense formations.
-Possibility to socket into fractured rock
-Secant piles possibility
Features:
-Faster production compared to kelly auger piles
-No vibrations or noise produced
-Full control of executed pile features by means of electronic devices
What are FAE CFA drill rig models?
| CFA FUNCTION Specification | FAR200MR | FAR270MR | FAR350MR | ||
| CFA DRILLING | Kelly extension | m | 6 | 6 | 6 |
| Extraction max | KN | 530 | 530 | 530 | |
| Torque max | KN.m | 150 | 150 | 150 | |
| Diameter max | mm | 800 | 800 | 800 | |
| Depth max | m | 20 | 20 | 24 | |
| AUGERS(Optional) | Dia 600 | mm | China made | China made | China made |
| Dia 800 | mm | China made | China made | China made | |
| ROTARY HEAD | Drilling speed | rpm | 5-28 | 5-28 | 5-28 |
| MAST | Mast raking forward | . | 5 | 5 | 5 |
| Mast side forward | . | ±5 | ±5 | ±5 | |
| Mast raking backforward | . | 15 | 15 | 15 | |
|
UNDERCARRIAGE (CAT329D) |
Crawfers Length | mm | 4120 | 4120 | 4120 |
| Crawfers Width | mm | 3000-4300 | 3000-4300 | 3000-4300 | |
| DIESEL ENGINE | Model | type | CAT C6.4 | CAT C9 | CAT C13 |
| Rated power | kW(HP) | 187 | 261 | 305 | |
| HYDRAULIC PUMPS | Main pumps | mpa | 35 | 35 | 35 |
| Auxliary pumps | mpa | 4 | 4 | 4 | |
| MAIN WINCH | 1st Layer mominal lin pull | Kn | 200 | 320 | 340 |
| 1st Layer mominal rope speed | m/min | 70 | 70 | 70 | |
| Rope diameter | mm | 28 | 32 | 36 | |
| SERVICE WINCH | 1st Layer mominal lin pull | Kn | 76 | 115 | 110 |
| 1st Layer mominal rope speed | m/min | 70 | 70 | 90 | |
| Rope diameter | mm | 20 | 20 | 20 | |
| WINCH CROWD | Crowd force(pull down /pull up) | KN | 160 / 200 | 200 / 260 | 320 /320 |
| Pull down stroke | mm | 13500 | 13500 | 13500 | |
|
DIMENSION & WEIGHT |
Transport width | mm | 3000 | 3000 | 3000 |
| Transport height | mm | 3121 | 3347 | 3500 | |
| Transport length | mm | 14358 | 16050 | 18395 | |
| Weight | ton | 63 | 70 | 105 | |
| Min working radius | mm | 4060 | 4060 | 4200 | |
What are FAE job site?
What are acesscories of CFA rig?
What are FAE drilling rig ?
What are FAE production details?
What are FAE packing?
What are FAE delivery?
Awaiting for your inquiry,we will response you at the first time!
Please contact us from this page or find our contacts from the Index page of our site.
FAE website for your further information:
WWW.FAECHINA.COM
Send Inquiry to This Supplier
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