Earthmoving & soil compaction

LiuGong Construction Machinery says doubling its North American-based equipment sales in 2011, compared to the previous 12 months, reinforces the company's goal of being among the world’s top ten equipment manufacturers by 2015. The China-based firm claims much of its sales growth is due to its expanding network of dealers and staff throughout the United States and Canada.

An example of Wacker Neuson's continuing product development is the new five model range of tracked dumpers with payload capacities spanning 500kg to 2.5tonnes. The three smaller units DT05, DT08 and DT12 are walk-behind/stand-on models with buyers of the smallest two having a choice of either petrol or diesel engines. The bigger DT15 and DT25 are ride-on models and with the heaviest unit the operator's seat can be rotated through 180° so the driver can either look towards or away from the load when moving

XCMG has developed several new products including a new wheeled excavator, an asphalt plant and new rigid dump truck models. The ET110 excavator is a versatile machine with its wheels mounted on hydraulically adjustable arms that allow the unit to operate on uneven terrain and on slopes. The new XAP320 asphalt plant is a fourth generation machine that is said to feature considerable performance upgrades over the firm’s previous units.

Dealing with nuisance dust is an issue for almost every quarry and for those operating in the tropical paradise of the Caribbean, it is no different. One Trinidad-based quarry operator has recently tackled the problem and is seeing benefits for its workers, neighbours and its machine service life too. Trinidad Cement Limited (TCL) extracts around 1.1million tonnes of limestone each year from its quarry in Mayo, Central Trinidad but had a history of problems with dust. "In the past, our crews had done

The new Hyderabad Outer Ring Road (ORR) project is a 158km eight-lane highway encircling the Andhra Pradesh city. It has been designed to relieve congestion in and around the city and to act as a hub for accessing India's national highway network, and is being built for the Hyderabad Metropolitan Development Authority. Indian contractor Ramky Infrastructure is relying on an Atlas Copco MB 1700 hydraulic breaker to break granite as aggregates at a quarry site adjacent to the new road. The rock is bein