Skip to main content

Level compaction

GPS technology has been used to maximise performance for a novel use of compaction machines. Construction equipment from Caterpillar has been used to help construct a reservoir that will be used to contain water used for snow-making for the Plan de Corones ski area at Alto Adige in Italy’s South Tyrol. The ski area features 116km of slopes and 32 new lifts and a network of reservoirs and underground pipes has been installed for the production of artificial snow when required. A key feature has been the cons
February 22, 2013 Read time: 3 mins
An array of Caterpillar machines has been used on this novel earthmoving project in Italy
GPS technology has been used to maximise performance for a novel use of compaction machines. Construction equipment from 178 Caterpillar has been used to help construct a reservoir that will be used to contain water used for snow-making for the Plan de Corones ski area at Alto Adige in Italy’s South Tyrol.

The ski area features 116km of slopes and 32 new lifts and a network of reservoirs and underground pipes has been installed for the production of artificial snow when required.

A key feature has been the construction of a reservoir to hold around 44,000m3 of water for Passo Furcia, which has been handled by contractor Marx. The firm specialises in road construction and infrastructure applications, with much of the work in the production of ready-mix concrete, aggregate processing and recycling of demolition materials.

Marx had experience with Caterpillar earthmoving machines and has used a Cat excavator with the AccuGrade digging control. As the company found the technology improved precision, boosting productivity and reducing costs, it opted to use the AccuGrade system for the compaction work in this contract also. Compaction is required on the base and the slopes of the reservoir, where monitoring by conventional methods poses challenges.

By renting a Caterpillar CS56 compactor fitted with an AccuGrade GPS package from Caterpillar dealer 7132 CGT, Marx was able to test the technology and see if it was able to deliver the performance necessary. Field trials showed it is possible to monitor the material density, layer by layer.
This layer-by-layer monitoring is a significant advance for this application, as the material is only compacted where required, and passes are eliminated providing cost savings.

The AccuGrade GPS compaction system measures the stiffness, or the ability of the material to resist deformation under load, as well as its density and specific weight. The system also alerts operators to potential problems in the material, such as hard or soft spots, or moisture beneath the surface.

As the system has proven its worth, Marx has bought the CS56 and the AccuGrade package from CGT. Work on the project has also involved the use of a Cat 323D excavator and two 730 articulated dump trucks rented from CGT, as well as Cat 329D and 336D excavators owned by Marx.

For more information on companies in this article

Related Content

  • Cat boost soil compaction efficiency with MDP system
    January 17, 2014
    Caterpillar claims it can boost compaction efficiency for contractors with its new machine drive power (MDP) package. This innovative machine-integrated soil compaction measurement technology has been tested by contractors at several jobsites around the world and is now coming to market. The MDP package is one part of an intelligent compaction (IC) offering from the firm.
  • Soil compaction innovations being introduced
    June 19, 2017
    Major developments in soil compaction are being introduced - Mike Woof writes. With manufacturers keen to meet new regulations and deliver greater performance to customers, an array of new soil compactors are now coming to market. One of the new developments from the Ammann Group is the unveiling of its ASC 110 Tier 3 soil compactor, which is powered by a Cummins QSG 4.5 diesel rated at 119kW and has a 2.13m-wide drum. This machine is designed to meet the needs of emergent markets where high quality fuels w
  • Efficient earthmoving builds new road links
    February 7, 2012
    Efficient earthmoving is allowing productive road construction in the Egyptian desert, Mike Woof reports. Despite ferocious desert temperatures, efficient earthmoving operations will help build new road links in Southern Egypt. Close to the Egyptian city of Assuit, the contractor Orascom is working on three key desert highway projects that will provide vital transport connections for the country's growing economy.
  • Excavation offering
    July 16, 2012
    There are various ways of building a tunnel, and for excavation jobs many contractors prefer to use versions of standard machines that have instead been converted to suit the confines of tunnelling applications. Some contractors opt to adapt their own units and with ventilation being an issue in underground work, engine emissions are a key focus when adapting machines. Exhaust filters and other after treatment solutions are usually required and there are an array of off-the-shelf packages available as well