Old Roads Never Die, They are Just Recycled
The cost of repairing roads has increased as asphalt is dependent on the constantly growing price of petroleum. One answer to keeping down costs is asphalt recycling. This article takes...

Use of the Dryer Drum
The following analysis will put the 26% reduction in energy into everyday perspective. The average amount of energy used in drying and heating a ton of aggregate is the equivalent of 2...

Temporary Protection of Cold Weather Construction
The literature of cold weather construction documents the importance of providing temporary protection of projects during the winter in northern regions. A survey of Alaskan contractors...

Optimum Wall Insulation for Cold Climates
The paper investigates the optimum thickness for insulation in cold areas, considering inflation, taxes, depreciation, and the effect of building with borrowed money. Optimization is based...

Enclosed Soak System for Deep Polymer Impregnation of Concrete Bridge Decks
Results of polymer impregnation of concrete slabs and a bridge deck to a depth of 4 in. are presented and examined. The criteria developed for drying the slabs and bridge decks to a depth...

Northern Off-Road Transportation in the 70's
A general review of the present state-of-the-art of off-road transportation with emphasis on northern and Arctic operation on the American Continent. Defines off-road transportation, vehicle...

New Sources of Power—Solar Energy
In the very near term, solar energy can provide hot water and space heating, and in the intermediate term, space cooling for both commercial and residential buildings. In the longer term,...

Effect of Stream Turbulence on Heater Water Plumes
The situation of a heated water surface jet flowing at the mean local velocity in open channel flow is studied. The jet contains no excess momentum that can cause mixing by relative motion...

Self-Aerated Flow Characteristics in Wall Region
Characteristics of self-aerated flows in the wall region are studied. The distribution of velocity and air concentration in the wall turbulent zone is studied by dividing the wall turbulent...

Density Altitude Variations and Runway Lengths
The necessity of accurate knowledge of changing meteorological conditions, particularly air temperature and pressure altitude, at departure airports was recognized prior to the introduction...

Reducing Cavitation in Valves
Critical cavitation indices are presented for a 12-in. ball and a 12-in. butterfly valve installed in a closed conduit with an enlarged section downstream. Tests were conducted under normal...

Mass Transportation for the 1967 World Exhibition
An automated, 3-1/4-mile, steel wheel on steel rail rapid transit system, designed and built to serve visitors to the 1967 World Exhibition in Montreal, is described. Each of the eight...

Houston's Jetero Airport: Location and Configuration
The master plan adopted by Houston, Texas for the new Intercontinental Airport establishes general conclusions and recommendations for the two-stage development of the airport. Eighty...

Effect of Air Conditioning on Distribution and Pumping Stations
Effect can be measured by comparison of hourly demands 10 yr ago with present demands, of ratios maximum hour to average day, and of cost of improvements with and without nonconserved...

Air Pollution Studies at University of California at Los Angeles: SED Report No. 10
Microwave methods of studying air pollution; investigation of noncatalytic afterburning and of exhaust scrubbing devices; systems for removing irritants from polluted air; pollution control...

Experiments with a New Method of Heating and Ventilation
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Experiments with a New Method of Heating and Ventilation
DataNotAvailable...

 

 

 

 

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