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Author
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Description
"When a New York City construction crane mysteriously collapses, causing mass destruction and injury, Rhyme and Sachs are on the case. A political group claims responsibility for the sabotage and threatens another attack in twenty-four hours, unless its demands are met. The clock is ticking. Then a clue reveals to Rhyme that his nemesis, known as the Watchmaker, has come to town to fulfill his promise of murdering the criminalist. Now Rhyme and Sachs...
Pub. Date
2011.
Description
Rich in mining history, the Mountain Mineral Belt design segment rises from the foothills. Dotted with historic towns including Idaho Springs and Georgetown, the Mountain Mineral Belt offers scenic views, lush forests, rocky hillsides, waterways, and access to local and regional destinations and recreational opportunities. The Mountain Mineral Belt design segment contains five Areas of Special Attention (ASA) including Floyd Hill, Twin Tunnels; Idaho...
Author
Pub. Date
2014.
Description
The purpose of this report is to document Accelerated Bridge Construction (ABC) techniques on IBRD (Innovative Bridge Research and Development) project 102470 for the construction of Bridge N-16-Q on State Highway 69 over Turkey Creek. The project demonstrated faster pier erection by utilizing precast pier caps to eliminate concrete cure time from the critical path in the construction schedule.
Author
Pub. Date
2018.
Description
An examination of CDOT design procedures, blasting methods, blast calculations, and aesthetic considerations to specify best management practices for highway rock cut operations for the Colorado Department of Transportation (CDOT) that could be followed when a Contractor or Permittee is proposing to blast. A method was developed to assign quantitative values for aesthetics, called the Percent Aesthetic Enhancement (PAE). By following the PAE practices,...
Author
Pub. Date
2017.
Description
Crack sealants are often utilized as a preservation tool in asphalt pavements. When a hot mix asphalt overlay is placed on top a pavement containing crack sealants, a bump and additional transverse cracks sometimes occur in the new asphalt overlay. These bumps and sometimes, transverse cracks are initiated during breakdown rolling and become progressively more severe upon further compaction. This paper presents results of a five-year study designed...
Author
Pub. Date
2015.
Description
Asphalt overlays are one of the most common tools for rehabilitating existing asphalt and concrete pavements. However, the performance of new overlays is often jeopardized by the cracking distress in the existing pavement. This existing cracking propagates, or reflects, through the new overlay to the surface of the new overlay. The rate at which this reflection cracking propagates to the surface is a function of overlay thickness crack severity, traffic...
Author
Pub. Date
[1986]
Description
This is a report on two asphalt overlay projects that incorporated test sections established for the purpose of evaluating four commonly used surface seals by the Colorado Department of Highways. The seal products evaluated were: 1) reclamite; 2) GSB 78; 3) emulsion (CSS-1h); 4) cut back asphalt cement (MC-70); and 5) gilsabind.
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