900MM CFA AUGER with soilmec cfa coupling xhd5 used on soilmec sr70 drill rig for Continuous Flight Auger CFA piles

900mm cfa auger with soilmec cfa hexagonal joint xhd5 used on soilmec sr65 drill rig for Continuous Flight Auger CFA piles

Xhd5*900mm cfa auger with soilmec cfa coupling xhd5 used on soilmec sf65 drill rig for Continuous Flight Auger CFA piles

750MM CFA AUGER with soilmec cfa coupling xhd5 used on soilmec sr70 drill rig for Continuous Flight Auger CFA piles

750mm cfa auger with soilmec cfa hexagonal joint xhd5 used on soilmec sr65 drill rig for Continuous Flight Auger CFA piles

Xhd5*750mm cfa auger with soilmec cfa coupling xhd5 used on soilmec sf65 drill rig for Continuous Flight Auger CFA piles

900mm cfa auger with soilmec cfa coupling 25hd5  used on soilmec sr65 drill rig for Continuous Flight Auger CFA piles

Cfa auger Soil Head Equipped with Teeth 18TL/25T,

Cfa auger Equipped with Round Shank Chisel OD 30/38 mm

Continuous flight auger length 2m ,4m, 6m φ600

CFA piles are a type of drilled foundation in which the pile is drilled to the final depth in one continuous process using a continuous flight auger. Concrete is then pumped under pressure down the hollow stem of the auger to the bottom of the bore. Once pumping starts, the auger is progressively withdrawn bringing soils with it to the surface. When the auger and its load of soil are finally removed, reinforcement to meet the design requirement is placed in the concrete pile.

 Continuous Flight Auger CFA piles are installed without significant vibration or excessive noise being produced. TianjIN HUACHANG XINGYE TECHNOLOGY CO LTD produces different types of CFA couplings, HD4,HD5 XHD5 25HD5  designed according to the rotary torque, to the soil conditions and to the designed drilling depth. CFA strings are provided with inner tube diameter 5” and 6” to fi t concrete piping already installed on the base rigs. Of course others dimensions are available on request Coupling of CFA sections is by high resistance hexagonal, fully machined made of special case-hardened steel. CFA column can be equipped with double start digging head for rock or for soil, supplied with interchangeable round shank chisels or teeth. Flights hedges are  Bottom concrete exit is with steel plug and recover y chain. Side exit can be supplied on request

Advantages
Resists compressive, uplift, and lateral loads
A cost efficient foundation solution
Can be installed in most soil conditions such as sands, clays, silts, gravels and soft rock
Can achieve pile depths in excess of 30m + and with various diameters of 300 mm to 1000mm+
Low noise levels and no vibration so ideal in built-up areas with weak soil conditions and high levels of ground water
Compared to bored piles, construction is very quick as temporary casings or support systems are not required

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