Tag: aggregate: Page 2

Construction Equipment
Rubble Master intros 120GO! tracked mobile impact crusher
At the Bauma show last week in Munich, Rubble Master took the wraps off its new flagship machine. The 120GO! tracked mobile impact crusher features an output of up to 350 t per hour and can be used to crush a wide range of different materials, Rubble Master says. This crusher allows for driving and […]
April 20, 2016
Rubble Master 120GO 1
Roadbuilding
Cement quarry featured prominently in HBO’s ‘Game of Thrones’ could become a permanent attraction
The Magheramorne Quarry might just be an old Lafarge Tarmac cement quarry with a nice view of the Irish Sea in the real world. But in HBO’s massively popular “Game of Thrones” fantasy television series, it’s “The Wall” and it’s all that stands between Westeros and the dangers in the north. The old quarry has been turned into […]
August 26, 2015
Roadbuilding
NAPA panel: Asphalt durability relies on mix design, density, and paving basics
Members of the National Asphalt Pavement Association’s (NAPA) Pavement Performance task group told attendees of the association’s midyear conference that asphalt pavement durability boils down to elements of mix design, density and going back to the basics of paving best practices. The group was formed from members of NAPA’s Executive Committee, its Engineering Advisory Council […]
July 16, 2015
paving
Roadbuilding
Strategizing for Safety
How the construction team for Minnesota’s Highway 23 Paynesville Bypass completed this project ahead of schedule despite truncated work season.
August 6, 2014
Minnesota Highway 23’s Paynesville Bypass project included the grading, surfacing, lighting and construction of a four-lane divided bypass and eight bridges.
Construction Equipment
Case launches the 355-hp 1221F, the largest wheel loader in the company’s fleet
Today, Case added to the F Series wheel loader lineup with the introduction of the 1221F, the largest model the company offers. With an 11.9-liter Tier 4 Interim engine that delivers up to 355 horsepower, the loader is designed for heavy earthmoving and loading applications, particularly in aggregate and mining operations. The 1221F has a […]
January 20, 2014
Case 1221F wheel loader
Roadbuilding
Plant Management of RAP/RCA
Processing and storage makes reclaimed asphalt and recycled concrete aggregate useful as aggregate.
November 6, 2013
Raw RAP stockpile (foreground) is reduced to consistent sizes by a mobile impact crusher.
Construction Equipment
Tackle steep grades with BOMAG’s new BW138AC-5 combination roller
Handle a range of compaction jobs including commercial parking lots, highway shoulders and secondary roadway maintenance with BOMAG’s BW138AC-5 roller, which features a traditional vibratory steel drum in the front and four smooth pneumatic tires at the rear for enhanced tractive effort. The 4.5-ton, 54-inch-wide roller has a Tier 4 interim four-cylinder Kubota diesel engine. […]
October 24, 2013
BOMAG BW138AC-5 combination roller
Construction Equipment
English quarry workers nearly processed this World War II rocket (PHOTO)
On Monday, Quarry workers discovered a World War II rocket at the Welcome Pit quarry in Burgh Castle, England, according to our sister site Aggregates Manager. The discovery of the rocket likely sent chills up the spines of the quarry workers who found it. The 2-foot-long rocket shell was found mixed in with material about […]
September 24, 2013
World War II quarry rocket England
Safety
1938 Labor Dept. film warns of deadly silica dust, explains how Silicosis can be prevented
The Occupational Safety and Health Administration recently announced plans to update 40-year-old standards for lowering worker exposure to crystalline silica. Workers involved in the cutting, sawing, drilling and crushing of concrete, brick, block and other stone products are exposed to the dust. Exposure can cause the condition silicosis, an inflammation and scarring of the lungs, as well as lung cancer, chronic […]
September 5, 2013
1938 silicosis film
Roadbuilding
Loss of Cover
Decoding the secrets of asphalt stripping and raveling.
July 5, 2013
Raveling describes the loss of aggregate from the driving surface of a bituminous concrete pavement.
Business
Construction crew bulldozes 2,300-year-old Mayan ruin for road fill
The Nohmul complex stood for 2,300 years as a jewel of Belizean tourism and a beautiful example of the sheer talent and engineering skill of ancient construction crews. All of which makes it tragic that what time could not bring down, a modern construction crew did with complete disregard. According to the Associated Press, a […]
May 16, 2013
Mayan ruins excavation
Roadbuilding
Integrating Roadside Vegetation and Erosion Control
Safety and the mowing-herbicide-beautification-erosion control-culvert maintenance mix
March 6, 2013
Washington State DOT – a leader in roadside vegetation management – defines different zones in the roadside, each with a different management strategy.
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