Continuous Compaction Control
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CONTINUOUS COMPACTION CONTROL FOR EARTHWORKS & ASPHALT
Continuous Compaction Control (CCC) is a process designed to increase the productivity, repeatability and quality assurance of material compaction in civil engineering works on road, rail and major infrastructure projects. CCC enables quality assurance in accordance with CEN/TS 17006 2016 and includes automatic compaction through ‘intelligent compaction’ systems.
BOMAG CCC, through a simple 1-2-3 process, enables users to save time and money and dramatically increase quality assurance on earthworks and asphalt.
- Helps inexperienced operators
- Avoids unnecessary passes
- Uniform compaction over large areas
- Surface temperature monitoring on asphalt
- Saves fuel
- Lowers emissions
- Automatic compaction mode using ‘intelligent compaction’ system
- Target EVIB level can be pre-set in increments if required
- Compacted surface area tested by integrated system
- 50% reduction in compaction testing
- Records compaction data, GPS or GLONASS positioning and pass count
- Analysis and reporting software
- Quality assurance in accordance with CEN/TS 17006 2016
- Optional VM38 data-port enables integration with other systems
Information is measured and displayed in the cab using ECONOMIZER or a TERRAMETER which allows the machine’s operator to optimize compaction.
The machine’s operator adjusts the compaction force as he rolls, based on the information displayed on the panel, or alternatively when using ASPHALT MANAGER 2 or VARIOCONTROL in automatic mode the machine continually adjusts the compaction force and direction delivering ‘intelligent compaction’, which saves time and money, and improves quality assurance.
With full CCC, the entire compaction process is recorded and documented using one of the three BOMAG Compaction Management (BCM) systems, start, 05 or net. This allows detailed analysis, using BCM Office on a PC, and long-term data storage for quality assurance purposes.
These fully integrated systems, developed by BOMAG, deliver the ultimate compaction optimization on earthworks and asphalt. Proven on major road, rail, civil engineering and major infrastructure projects, across Europe these systems are powerful, robust and easy to use in fully automatic or manual mode.
Available on BOMAG trench compactors, reversible plates, and light and heavy tandem rollers, ECONOMIZER measures and displays real-time compaction progress through an easy to see array of LED lights. ECONOMIZER saves time and money by reducing the number of passes required. Under and over compaction is avoided which saves expensive and time consuming re-work.
Available on BOMAG single drum rollers the TERRAMETER measures dynamic soil stiffness under the machine in real-time and displays it on a screen in the cab. BOMAG’s unique system uses two accelerometers in the drum to determine the soil stiffness under the machine as it rolls. The displayed value, EVIB MN/m2, is directly related to the deformation modulus EV2, of the static plate load test to DIN 18196. The clear display shows the DIN standard values of 45, 80, 100 and 120 MN/m2 which help the operator to achieve the target value. The display also shows the machine’s vibration frequency and travel speed at any time. A red warning light shows if compaction has not increased on two consecutive passes. Finally, an optional in-cab printer is available for producing quick reports. This invaluable aid shows the average, maximum, and minimum compaction over a 150-metre pass.
These fully integrated systems, developed by BOMAG, deliver the ultimate compaction optimization on earthworks and asphalt. Proven on major road, rail, civil engineering and major infrastructure projects across Europe these systems are powerful, robust and easy to use in fully automatic or manual mode, depending on the application.
The fully integrated VARIOCONTROL system allows both manual and fully automatic control of directed vibration, generated by BOMAG’s unique VARIO exciter system, to optimize the compaction process or for proof-rolling. The system is effective in pre-load compaction, high-energy deep-impact compaction up to 5m in depth, and low-energy surface compaction. In automatic mode, the machine’s operator sets a target EVIB value related to the EV2 plate load test, and the machine does the rest, automatically adjusting the compaction energy and direction as it rolls on repeated passes until the target value is met. In manual mode, the operator can set a fixed amplitude of vibration from a menu of 6 options. In manual mode the machine’s vibration energy operates at the set level regardless of circumstances.
ASPHALT MANAGER 2
Available on large tandem rollers AM2 is an intelligent compaction system with manual and automatic modes. In the automatic setting, the system continually adjusts the vibration’s amplitude and direction giving a high-quality finish and consistent compaction across large areas. All the operator needs to do is set the layer thickness. AM2 uniquely matches the direction of vibration to the direction of travel, which prevents a ‘bow-wave’ effect. When stationary the machine selects horizontal vibration, which prevents the machine sinking into the asphalt. The system is particularly effective on thin layers or when used to roll hot and cold joints. The machine’s operator is kept completely in the picture through the visual display which shows the current effective amplitude, the EVIB value in MN/m2 and the surface temperature of the asphalt being rolled.
These BOMAG developed systems provide complete CCC for managing a project. BOMAG CCC delivers productivity and quality assurance on any size of job including the largest and most complex projects for road, rail and major infrastructure. BOMAG Compaction Management (BCM) uses a robust tablet computer, mounted on the machine’s A-pillar in the cab, to measure, display and record compaction data. GPS information can be integrated using BCM StarFire. The BCM system is modular and can be upgraded at any time.
This ‘entry-level’ plug-and-play system shows the operator the number of passes on the display using different colours. The system is very easy to use. The operator presses start, rolls, and stops when the required number of passes have been made, which is shown on the display. BCM records the compaction data in the tablet computer which can produce reports for transfer to a PC via a USB memory stick.
This ‘top-of-the-range’ system provides full CCC and turns a roller into a powerful quality assurance tool. The tablet computer records and displays EVIB and ECONOMIZER values and the number of completed passes, creating a map of the complete compaction process. BCM 05 can import points and lines from other geographic information system (GIS) applications which adds detail, accuracy, and value to the process. Data is easily transferred to a PC running BCM Office which allows detailed analysis and long-term record keeping, for the ultimate in quality assurance.
On large projects, several rollers often work together. BCM net turns them into a co-ordinated team by monitoring and displaying all movements to all drivers, who then have a view of the complete picture showing the number of passes made on each section of the job. BCM net establishes a direct WLAN link to all the rollers allowing them to communicate with one another. The result? Optimized compaction avoiding unnecessary passes which saves time, money, and fuel, and reduces engine emissions.
This integrated system gives any large BOMAG roller a continuous GPS and GLONASS signal accurate to +/- 200mm. The system, which integrates with BCM 05, allows accurate mapping giving full CCC on large and complex jobs. The system, which includes a tablet computer, software, and a roof mounted GPS receiver, can be factory fitted or retro-fitted at any time. On very large-scale jobs local transmitters can be integrated into the mix to increase accuracy to +/- 50mm.
BOMAG VIBRATION POWER WITH CONTROL
TanGO is designed for sensitive vibration, near building, on bridges or on seams for example. TanGO uses two exciter shafts, in the rear drum, which rotate in the same direction creating torque around the drum axis. As a result, the drum keeps alternating its effective direction, forwards and backwards, so that the mat is compacted at double frequency with one amplitude. With TanGO there is no drum bounce which avoids crushed aggregate and the ‘bow-wave’ effect.
DIRECTED VIBRATION ASPHALT MANAGER 2 VARIOCONTROL
The BOMAG directed vibrator system consists of two counter-rotating eccentric weights. The centrifugal forces generated by these weights are magnified if they are focused in the same direction and are neutralised when acting in the opposite direction. By re-orienting the entire exciter system, including the eccentric weights, the effective direction of vibration can be altered. The system can be turned progressively towards the travel direction and is automatically re-adjusted. If the compaction force is directed vertically an enhanced depth effect will be created using maximum compaction output. In contrast, reduced depth penetration is produced with horizontally directed vibration. This creates low-vibration surface compaction which is particularly suited to thin layers or sensitive materials. The progressive adjustment of vibration direction between the two extremes (horizontal and vertical) offers an enormous range of compaction performance and depth effect to suit every application type.
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