GRUNDOMAT soil displacement technique
The pneumatically driven hammers work according to the soil displacement method, when moving forward the spoil is displaced into the surrounding soil. A channel is produced into which socket less short or long pipes up to OD 160 made of plastic (PE, PVC or PE-X) or cables can be pulled in. Depending on the type of soil, lengths of up to 30 m can either be pulled in simultaneously or later. A compressor with 6 - 7 bar operating pressure is required for this, with exact alignment of the machine towards the target necessary for high on- target accuracy.THE 2-STROKE PRINCIPLE
With the proven 2-stroke principle, the precise target accuracy, as well as the exact alignment and adjustment are achieved through the two stroke impact method.
On the first stroke, the whole moving head assembly is propelled forward as the piston accelerates and impacts against the rear of the chisel driving it forward to create a pilot bore hole. As the piston then returns, the second stroke, the compressed spring in the head further pulls the long cylindrical casing into the previously made pilot bore hole.
Should an ‘obstacle’ be encountered and forward propulsion hindered, the chisel/crowned head in the reciprocating head will continue ‘chiselling’ independently until the obstruction is fragmented and displaced.
This makes the GRUNDOMAT achieve on- target results even in stony grounds
GRUNDOMATN: VERSATILE APPLICATION
- UNDERCROSSINGS
Road crossings and property service connections are everyday tasks for the GRUNDOMATN hammer. - PIPE RAMMING FROM MODEL 130
GRUNDOMATNcan also be used for ramming in steel pipes by attaching a special ram cone to the head of the machine. - PIPE BURSTING FROM MODEL95
Modified soil displacement hammers are also applicable for pipe renewal using the pipe bursting method. - PILING
Grundomats are also ideal for vertical use, e.g. piling for laying foundations.
PROPERTY SERVICE CONNECTIONS -
DIRECTLYFROM INSIDE THE BUILDING
When house connections for gas, water, sewage, electricity, broadband cabling (FTTB) can start directly from the property. A start trench outside the property wall is no longer necessary. This makes the use even more efficient, and the front garden is spared.
for FTTB, gas, water and power property service connections
- Minimal set-up times mean the soil displacement hammer can be started from inside the building after the core bore through the wall
- A wall duct is set up on the inside and seals off the basement wall from the outside and inside.
- The Grundomat and equipment fits into a small transporter van
Further information
GRUNDORAM - The dynamic ramming technique
GRUNDORAM pneumatically driven pipe ramming machines are used for the dynamic installation of steel pipes underneath roads, waterways, railway tracks, parks, etc. over lengths of up to 80 m. The TT ramming technology provides thrust forces up to 40.000 Nm, enabling the economic installation of open end steel pipes up to 4000 mm diameter in soil classes 1 - 5 (in part even class 6 - easily soluble rock) without the need for jacking abutments.
The steel pipe ramming technique is suitable for installing longitudinally or spirally welded pipes, seamless pipes and pipes with insulation protection as product pipes, e.g. in pipeline construction, or as casing pipes for supply und drainage pipe bundles. The pipe rammers are also used horizontally for constructing underpasses, small outlets, pipe roofs for tunnel structures, for supporting HDD bores (HDD Assist) with vertical applications being used for foundations, sheet piling or well drilling.
A detailed method description is to be found on nodig-construction.com.
Further information
GRUNDOBURST400S
• For pressure and sewage pipes ND 50-ND 250 up to approx. 100 m length (depending on method)
• For installation in manholes up to ≥ ND 1000 and in small pits
• Bursting rig length only 60 cm
• Bursting rod effective length in manhole: 470 mm
• Relatively simple operation inside the manhole
• No civil engineering works when working from manhole to manhole
• High level of working safety
• Installation of short pipes in manholes with Burstfix, see page 12 (Burstfix is available for all GRUNDOBURST models)
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View in the manhole with GRUNDOBURST400S
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GRUNDOBURST400 S in manhole, operated with hydraulic power unit TT B20 or TT B110
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Rod box 400 S for:
bursting rods 54 mm diameter, effective length 470 mm with35 bursting rods
effective length 700 mm
with 107 bursting rods |
In tight working conditions the GRUNDOBURST400S can also be applied from (small) pits..
| Technical data 400S | |
| Dimensions bursting rig LxWxH [mm]: | 600 x 490 x 340 |
| Weight bursting rig [kg]: | 251 |
| Thrust force at 200 bar [kN]: | 275 |
| Pulling force at 250 bar [kN]: | 400 |
| Manhole diameter [mm]: | 1000 |
| Axis height [mm]: | Pit: 220 Manhole: 140 |
| Recommended hydraulic drive: | TT B110 or TTB 20 |
| Driving capacity [kW]: | 55,5 at.2800 rpm. 24,4 at 3000 rpm |
| Hydr. Operating pressure[bar]: | 250 |
| Old pipe Ø: | ND 50 - ND 250 |
| for pipe materials: | Stoneware, concrete, PVC, PE, grey / ductile cast iron, AC, GRP, Steel |
| New pipe Ø;: | up to OD 280 |
| for pipe materials: | PE, PP, Stoneware, ductile cast iron, GRP, Steel |
| Bursting rod Ø: [mm]: | 54 (standard) or 35, max. 200 kN |
| Bursting rod weight [kg]: | 5 |
| Bursting rod effective length [mm]: | 470 |
Further information
GRUNDODRILL HDD technique
‘Mole technology’ is widely-used in the civil engineering. Its share compared to open trenching is ever increasing because the underground installation and renewal of supply and (disposal) pipes bears major technical and economical advantages.
These advantages are due to excavation and re-instatement work being almost omitted and the short construction times and show especially when producing property service connections and when crossing much frequented roads.
These advantages are due to excavation and re-instatement work being almost omitted and the short construction times and show especially when producing property service connections and when crossing much frequented roads.
Trenchless installation protects the environment. That means: no surface disruption, no problems with inhabitants, minimal excavation, less construction machines plus avoidance of traffic jams, diversions and repair work, as well as low emission of noise, (CO2) and fine dust particles.
ADVANTAGES
- 7 powerful machine types
- The slim design allows drilling with minimal clearance to buildings
- High corrosion protection, e.g. due to fully galvanised rod boxes
- The engine hood is made of weather-proof GRP
- The electronics are shock- and vibration-proof
- High quality manufacturing and certified supplier components (motors, pumps etc.)
- Highly resilient, fail-safe and service reduced
- High value stability
- Wide range of applications
- Compatible with tensile load measuring unit with bore data log according to the latest standards
- Additional safety: prototype testing by the trade organisation
THE HDD FLEET OF TRACTO-TECHNIK
Along with the fluid-assisted mini drill rigs GRUNDOPIT, seven further GRUNDODRILL models with the following basic configuration are available:
- Drill rig with tracked undercarriage
- Stabiliser blades
- Spacious ergonomic cabin, comfortable seat,
- Joysticks, LCD display
- Fully galvanised rod box
- Semi-automatic rod exchange system*
- Semi-automatic clamp and break-away facility*
- Anchoring system with drilling fluid collecting tray
- High-capacity Bentonite HP on board pump
- Bore data log according to the latest standards - telemetry data transfer (remote diagnosis via modem)
- Automatic bores to relieve the operator from routine functions, short drilling times, optimal and very gentle pull-back of the rods and output-regulated control of the drilling drive*
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| GRUNDODRILL4X |
GRUNDODRILL11XP |
GRUNDODRILL15XP und 15XPT |
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| GRUNDODRILL18N | GRUNDODRILL18ACS | GRUNDODRILL28N plus |
COMFORTABLE AND ERGONOMIC CABIN
The cabin features a heater, air conditioning (optional), hinged window, windscreen wipers, heat-absorbing glass, flashing hazard warning light, two external headlamps, lockable cabin, anti-theft device, footboard and a radio with CD player.
Depending on model:
- Spacious and pivotable cabin
- Panoramic view
- Ergonomically adjustable operator's seat
- Multifunctional joystick control
- Function control via LCD display
- Quick- diagnostics
- With telemetry transfer
- Display and log of the drilling data
- Display and log of the tensile load forces
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| LCD Display |
Comfortable cabin |
Multifunctional joystick control |
Further information
GRUNDOCRACK - Dynamic Pipe Bursting
Leaking gas lines due to dried out joints, thick encrustation in water lines, minimising the flow quantity and corrosion in steel pipes, all of these are reasons for the utilities suppliers to replace their over-aged cast iron lines by new HDPE pipes.
The utility companies also have to be on the alert, where sewerage pipes, damaged by corrosion, collapse, misalignment or tree root infestation may lead to sewer leakage or ground water infiltration, thus presenting an environmental risk. The question is: repair, rehabilitation or renewal?
Repair
Pipe damage can be repaired by inserting partial in-liners, milling open and spackling or applying other repair methods. This only makes sense if a durable repair can be achieved.
Rehabilitation
Hose in-liner (CIPP) systems cannot meet the demands where static loads, mechanical resistance, durability and hose migration resistance are concerned, especially if an annulus is produced but not filled up and costs can soar with this method.
Renewal
Renewal of the pipe is often the last resort.
Pipe renewal can no longer be avoided, if
- pipe repair / rehabilitation is insufficient or too short-lived to be technically or economically viable
- a long service life where an extended pipe performance guarantee is required, or
- the position of the pipes are affected
The pipe bursting method means trenchless pipe renewal – with no disruption to the ground surface. Pipe bursting is an uncompromising perfect pipe replacement technique - no repair, no rehabilitation! We distinguish between dynamic and static pipe bursting methods. Both processes are suited for the pressure pipes and sewerage pipes.
Pipe bursting is definitely state of the art technology. It is defined in the German papers ATV-A 125, GW 304 -Pipe jacking- and GW 323 i.E.
Further information
Intelligent geothermal heat extraction
GRD combines the advantages of horizontally and angled installed ground heat collectors and vertically installed ground heat pipes. The system utilises all the available land within the property boundaries, with deep underlying drinking water levels remaining untouched.
TRACTO-TECHNIK manufactures drilling rigs for geothermal heat extraction and jobsite equipment which clearly facilitates your work and reduces the overall expenditure.
Bagela – Quality to build on
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Products & solutions
Walter Föckersperger GMBH - The FOECK laying system
- Innovative system for trenchless pipe and cable laying
- The world market leader in the field of trenchless pipe and cable laying
- The world's strongest winch and laying-plough systems with up to 360 tonnes
of tractive force - Used on every continent and on any terrain
- Incredible performance: 10.000 metres per day and a maximum pipe diameter
of 630 mm - Ecological and sustainable – no trench, minimum impact on the natural
environment - FOECK has more than 55 years of laying experience
AVAN Leading Technology - Contact
AVAN Leading Technology
Unit 1, Floor 2, No. 1,Naz Alley, Shariati Ave.
Tehran Iran
E: e.aleali@avan-tec.eu
T: +98 9121860255
Contact in Germany
AVAN Leading Technology
Person to contact: Ehsan Aleali
+49 (0) 172 5420960
e.aleali@avan-tec.eu
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