News – Page 150 – GeoPrac.net

ArcGIS for iOS, iPhone and iPad GIS power!

ESRI Releases Free ArcGIS for iOS (iPad/iPhone)

July 7, 2010 rockman 1

ESRI has recently released an iPhone and iPad app that will allow developers to bring content derived from ArcGIS to the popular iOS platforms. According to ESRI’s website, the ArcGIS app will allow users to […]

Weekend CUP July 6, 2010

July 6, 2010 rockman Comments Off

Mudslide buries more than 100 in south-west China – Source: Earth Times News via USGS Landslide Events June 2010 Dam Safety News – Source: Association of State Dam Safety Officials Video: Landslide Takes Down Truck […]

CONTECH Announces 14% Price Increase for Prefabricated Truss Bridge Structures

July 6, 2010 rockman Comments Off

“The escalating cost of steel from our suppliers is the main reason for this price increase,” said Steve Spanagel, President of CONTECH Sales. [Source: CONTECH]

New ASTM geosynthetics standards for quantification of material properties for pavement components

July 6, 2010 rockman Comments Off

Two new standards from the Geosynthetics committee of ASTM will help define properties that can be used in the design of geosynthetic reinforced pavement. I know in my practice in Arizona, ADOT simply allows a […]

Loading contaminated soil into a truck near the Hanford Nuclear site. A former plutonium production reactor is in the background.

Hanford nuclear waste retrieval resumes with better technology (GPR)

July 1, 2010 rockman Comments Off

Ground penetrating radar (GPR) imaging of the subsurface tied to GPS mapping will allow the CH2M Hill Plateau Remediation Company to have a better idea of what is buried at the site before excavating for […]

The Fairbanks Department of Transportation & Public Facilities is closing the Chena River from the Cushman Street Bridge to the Peger Road Bridge after a crane working on construction of the Barnette Street Bridge fell across the river in downtown Fairban

Crane topples over Chena River in Fairbanks, Alaska while driving piles for new bridge

July 1, 2010 rockman Comments Off

A crane using a pile driver to install new foundations for the Barnette Street Bridge project. A DOT (City of Fairbanks?) spokesman speculated that the crane overextended itself while installing piles about 40-ft away. The […]

Location of Portland Oregon's I-5: Iowa Street Viaduct Replacement Project

Portland’s I-5 project cutting into ancient landslide

July 1, 2010 rockman 1

ODOT’s I-5: Iowa Street Viaduct Replacement Project in Portland will reportedly cut into 6 ancient landslide surfaces according to a PSU Geology Professor. The existing bridge structure is over 50-years old and deteriorating and will […]

Standards and Codes

ASTM Updates June 2010

July 1, 2010 rockman Comments Off

American Society of Testing Materials Logo - ASTM Here we go again, revised and reapproved ASTM standards that might be of interest to geopractitioners (to borrow a term from Ed Medley). In June, some of the noteworthy standards were D6938 – In place density and moisture using the nuclear gauge, electric cone penetrometer testing for environmental site characterization, standard practice for placement and assembly of gabions and revetment mats and standard practice for decontamination of field equipment at low level radioactive waste sites…sign me up! Click through for standards updated or otherwise revised in June of 2010.

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Judge dismisses Alaskan Way viaduct tunnel lawsuit

June 30, 2010 rockman Comments Off

A federal judge in Seattle dismissed a lawsuit Friday aimed at stopping construction of a tunnel replacement for the Alaskan Way Viaduct. Judge John Coughenour said the people who brought the suit in September hadn’t […]

Debate in Illinois over proposed USACE use of fly ash in Mississippi River levee stabilization

June 30, 2010 rockman 1

The Corps is proposing to use the fly ash as part of a lime slurry mixture for some kind of grouting to stabilize the levees according to the article. Environmentalists are concerned about the potential […]