News – Page 134 – GeoPrac.net

Using Excel statistical functions for trend analysis

February 13, 2011 rockman Comments Off

Most geoengineers I know are comfortable using Excel’s curve fitting functionality on a Chart. Have you ever found yourself manually copying the coefficients from the resulting equation on the chart into cells to program the […]

Weekend CUP for February 10, 2011

February 11, 2011 rockman Comments Off

Haiti One Year On… – Source: Natural Hazard Media Monitoring Design change to again delay Lake Mead project – Source: ReviewJournal.com via AGC SmartBrief Family member receives $100,000 for Logan, UT landslide loss – Source: […]

Possible results of a natural dam threat such as over-topping or structural failure of the dam

DHS and ASDSO Launch New Interactive Website on Dam Security

February 10, 2011 rockman Comments Off

‘Dams Sector facilities provide a host of benefits, from flood protection to crop irrigation; however, the potential for their failure also presents a source of great danger with disastrous consequences. To avoid failures, it is […]

Repairs to the old Devil's Slide landslide area on CA Highway 1, soon to be abandoned when the tunnel bypass opens.

Devil’s Slide excavation completed for both tunnels

February 10, 2011 rockman Comments Off

The notorious landslide-prone stretch of California Highway 1 at Devil’s slide has only about one more year until traffic bypasses it completely thanks to the twin bore tunnels that have just completed excavation. They still […]

Big Sur coastline where new Pitkins Curve Bridge is being built on CA Highway 1

Foundations for California Highway 1 Pitkins Curve Bridge

February 10, 2011 rockman Comments Off

On the Big Sur coatline, the Pitkins Curve area of California Highway 1 (the PCH) is undergoing some improvements to help alleviate landslides and roadway instability. National Driller magazine reports on the project in their […]

Worker clears sludge from Brightwater TBM

Brightwater tunnel inches through toughest stretch toward finish

February 8, 2011 rockman Comments Off

The massive 13-mile wastewater tunnel project known as Brightwater is approaching the final stretch of tunneling, but perhaps the most difficult. This portion of the project has already claimed one contractor’s slurry TBM and put […]

NCHRP Report 676: Intelligent Soil Compaction Systems

NCHRP Report: Intelligent Soil Compaction Systems

February 8, 2011 rockman Comments Off

TRB’s National Cooperative Highway Research Program (NCHRP) Report 676: Intelligent Soil Compaction Systems explores intelligent compaction, a new method of achieving and documenting compaction requirements. Intelligent compaction uses continuous compaction-roller vibration monitoring to assess mechanistic […]

Video: Construction continues on Caldecott Tunnel fourth bore

February 8, 2011 rockman Comments Off

This is a pretty nice little 3-minute news segment on the Caldecott Tunnel 4th Bore Project in the California Bay Area. Progress is slow, at only about 10-15 feet of progress per day, but work […]

Dallas Cowboy's Stadium in Arlington, near the end of construction

Dallas Cowboy Stadium Geotechnical Engineering

February 6, 2011 rockman Comments Off

Dallas Cowboy's Stadium in Arlington, near the end of construction Sports fans are eagerly awaiting the matchup between the Pittsburgh Steeler’s and the Green Bay Packers in Super Bowl XLV (That’s 45 for the roman numeral challenged). The venue for the Super Bowl is the new Dallas Cowboy’s Stadium in Arlington and it is certainly a show piece and engineering marvel worthy of this world class sporting event. And it required some very interesting geotechnical engineering design as well… (Photo: NFLTouchdown.com)

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ARkStorm: California’s other ‘Big One’

February 2, 2011 rockman Comments Off

SACRAMENTO, Calif. — For emergency planning purposes, scientists unveiled a hypothetical California scenario that describes a storm that could produce up to 10 feet of rain, cause extensive flooding (in many cases overwhelming the state’s […]