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Articles 36781 - 36810 of 39895

Full-Text Articles in Civil and Environmental Engineering

Effect Of Film Thickness, Voids, And Permeability On Asphalt Hardening In Asphalt Mixtures, Arun Kumar Jan 1976

Effect Of Film Thickness, Voids, And Permeability On Asphalt Hardening In Asphalt Mixtures, Arun Kumar

JTRP Technical Reports

No abstract provided.


Right Turn On Red: Utilization And Impact, Michael S. Mamlouk Jan 1976

Right Turn On Red: Utilization And Impact, Michael S. Mamlouk

JTRP Technical Reports

No abstract provided.


Legal And Organizational Tools And Techniques For Implementing Land Use Plans, T. William Patterson Jan 1976

Legal And Organizational Tools And Techniques For Implementing Land Use Plans, T. William Patterson

JTRP Technical Reports

No abstract provided.


Analysis Of Changes In Driver Reaction To Improved Warning Devices At A Rural Grade Crossing : Technical Paper, Eugene Robert Russell, Harold L. Michael, Thomas Allan Butcher Jan 1976

Analysis Of Changes In Driver Reaction To Improved Warning Devices At A Rural Grade Crossing : Technical Paper, Eugene Robert Russell, Harold L. Michael, Thomas Allan Butcher

JTRP Technical Reports

No abstract provided.


Direct Tension Test Results For Some Asphalt Concretes : Technical Paper, Raymond Doran Pavlovich, William Harner Goetz Jan 1976

Direct Tension Test Results For Some Asphalt Concretes : Technical Paper, Raymond Doran Pavlovich, William Harner Goetz

JTRP Technical Reports

No abstract provided.


Blow-Ups On Resurfaced Concrete Pavements, David Lee Gress Jan 1976

Blow-Ups On Resurfaced Concrete Pavements, David Lee Gress

JTRP Technical Reports

No abstract provided.


An Evaluation Of The Traffic Engineering Functions In The Small Municipalities Of Indiana, James Robert Mekemson Jan 1976

An Evaluation Of The Traffic Engineering Functions In The Small Municipalities Of Indiana, James Robert Mekemson

JTRP Technical Reports

No abstract provided.


Traffic Speed Report No. 96 : Progress Report, Ahmed Atef Gadallah, George K. Stafford Jan 1976

Traffic Speed Report No. 96 : Progress Report, Ahmed Atef Gadallah, George K. Stafford

JTRP Technical Reports

No abstract provided.


The Use Of Skewed Speed Distributions To Locate Points Of High Accident Potential On Low Volume Two-Lane Rural Highways, Robert J. Krzeminski Jan 1976

The Use Of Skewed Speed Distributions To Locate Points Of High Accident Potential On Low Volume Two-Lane Rural Highways, Robert J. Krzeminski

JTRP Technical Reports

No abstract provided.


State Highway Finance And User Taxation In Indiana, John Raymond Mccarthy Jan 1976

State Highway Finance And User Taxation In Indiana, John Raymond Mccarthy

JTRP Technical Reports

No abstract provided.


Traffic Speed Report No. 97 : Interim Report, Ahmed Atef Gadallah, George K. Stafford Jan 1976

Traffic Speed Report No. 97 : Interim Report, Ahmed Atef Gadallah, George K. Stafford

JTRP Technical Reports

No abstract provided.


Nitrogen Cycling In Microcosms And Application To The Biology Of The Northern Arm Of The Great Salt Lake, John C. Stube, Frederick J. Post, Donald B. Porcella Jan 1976

Nitrogen Cycling In Microcosms And Application To The Biology Of The Northern Arm Of The Great Salt Lake, John C. Stube, Frederick J. Post, Donald B. Porcella

Reports

No abstract provided.


Application Of A Hydrologic Model To The Planning And Design Of Storm Drainage Systems For Urban Areas, George B. Shih, Eugene K. Israelsen, Robert N. Parnell, Jr., J. Paul Riley Jan 1976

Application Of A Hydrologic Model To The Planning And Design Of Storm Drainage Systems For Urban Areas, George B. Shih, Eugene K. Israelsen, Robert N. Parnell, Jr., J. Paul Riley

Reports

A generally applicable hybrid computer program is developed to simulate runoff from urban watersheds, and is applied to represent the outflow hydrographs of three urban watersheds located within Salt Lake County, Utah. The gaged outflow of the watersheds provided a means for comparing the observed and the simulated final outflow hydrographs. Each of the three watersheds was subdivided into spatial units or subzones, and the outflow hydrographs for each subzone were obtained by abstracting interceptions, infiltration, and depression storage from the rainfall hyetograph of each subzone. The resulting hydrograph outflow of each subzone was routed to the Jordan River, the …


Bsam: Basin Simulation Assessment Model Documentation And User Manual, Utah Water Research Laboratory Jan 1976

Bsam: Basin Simulation Assessment Model Documentation And User Manual, Utah Water Research Laboratory

Reports

No abstract provided.


User Oriented Systems Analysis For Regional Municipal Water Supply Planning, Paul E. Pugner, Trevor C. Hughes Jan 1976

User Oriented Systems Analysis For Regional Municipal Water Supply Planning, Paul E. Pugner, Trevor C. Hughes

Reports

No abstract provided.


An Economic Appraisal Of Reuse Concepts In Regional Water Supply Planning, Rangesan Narayanan, Bartell C. Jensen, A. Bruce Bishop, Kenneth S. Lyon Jan 1976

An Economic Appraisal Of Reuse Concepts In Regional Water Supply Planning, Rangesan Narayanan, Bartell C. Jensen, A. Bruce Bishop, Kenneth S. Lyon

Reports

Using a conceptual model of a water supply firm, the necessary conditions for production and market efficiency are derived when renovated wastewater is considered as a potential water resource. The nature and extent of the supply augmentation due to recycled reuse is demonstrated using classical optimization techniques. Three stages of short-run supply corresponding to no recycling, partial recycled reuse and complete recycling of all reclaimable water are identified through appropriate Lagrangian Multipliers as well as graphical techniques. A mathematical programming model is structured to determine the optimal water resource allocation and pricing policy for Salt Lake County. By maximizing the …


An Empirical Analysis Of Predictors Of Income Distribution Effects Of Water Quality Controls, John E. Keith, Ming C. Chen, Don C. Reading, Robert Johnson Jan 1976

An Empirical Analysis Of Predictors Of Income Distribution Effects Of Water Quality Controls, John E. Keith, Ming C. Chen, Don C. Reading, Robert Johnson

Reports

No abstract provided.


Colorado River Basin Modeling Studies: Proceedings Of A Seminar Held At Utah State University Logan , Utah July 16-18, 1975, Calvin G. Clyde, Donna H. Falkenborg, J. Paul Riley Jan 1976

Colorado River Basin Modeling Studies: Proceedings Of A Seminar Held At Utah State University Logan , Utah July 16-18, 1975, Calvin G. Clyde, Donna H. Falkenborg, J. Paul Riley

Reports

Preface: Computer modeling is an important and valuable tool for water resources planning and management. In recent years many different modeling approaches and techniques have been developed. Some have been applied in the Colorado River Basin. A brief and incomplete search showed over fifty reports on modeling in the Colorado River Basin alone. The main motivation for this Seminar was the indication that (1) much duplication of effort is occuring among Colorado River modeling studies due to lack of information and (2) much of the knowledge now available on modeling is not being effectively applied to real problems. The overall …


Hydrologic Impact Of Burning And Grazing On A Chained Pinyon-Juniper Site In Southeastern Utah, Gerald F. Gifford, John C. Buckhouse, Frank E. Busby Jan 1976

Hydrologic Impact Of Burning And Grazing On A Chained Pinyon-Juniper Site In Southeastern Utah, Gerald F. Gifford, John C. Buckhouse, Frank E. Busby

Reports

No abstract provided.


Disposal Alternatives For Intermittent Sand Filter Scrapings Utilization And Sand Recovery, Jerry T. Elliott, Daniel S. Filip, James H. Reynolds Jan 1976

Disposal Alternatives For Intermittent Sand Filter Scrapings Utilization And Sand Recovery, Jerry T. Elliott, Daniel S. Filip, James H. Reynolds

Reports

A three phase study is used to develop disposal alternatives and cost analysis for algae laden sand scrapings removed from intermittent sand filters used to polish wastewater lagoon effluent. Phase I, Irrigation Technique, explores the feasibility of supplying sufficient water to sand scrapings to leach out entrapped material. Details of removal with amount of water applied are presented. Phase II, Soil Application, tests with lysimeters soil response to application of the algae laden sand material. Physical and chemical parameters are not markedly altered where algae laden sand is applied to the soil surface. Phase III, Plant Bioassays, grew tall fescue …


Evaluation Of The Addition Of Granular Media Filtration To Wastewater Treatment Plants To Meet New Standards, Madhusudan M. Dawda, M. L. Davidson, E. J. Middlebrooks Jan 1976

Evaluation Of The Addition Of Granular Media Filtration To Wastewater Treatment Plants To Meet New Standards, Madhusudan M. Dawda, M. L. Davidson, E. J. Middlebrooks

Reports

A dual media filtration study was carried out at the central Weber Wastewater Treatment Plant in Ogden, Utah, to evaluate its feasibility as a tertiary treatment to meet new effluent quality standards. A review of the literature indicated that dual media filters were more efficient than conventional single media sand filters because of the “in depth” filtration achieved by dual media filters. An experimental filter was operated at four different hydraulic loading rates, ranging from 3 to 6 gpm/ft 2 (122.10 to 244.20 1/min/m2), to evaluate its effects on effluent quality. Hydraulic loading rate was shown not to affect suspended …


Iron Dynamics In A Gas-Water-Sediment Microcosm, Peter A. Cowan, V. Dean Adams, Donald B. Porcella Jan 1976

Iron Dynamics In A Gas-Water-Sediment Microcosm, Peter A. Cowan, V. Dean Adams, Donald B. Porcella

Reports

Iron dynamics in eutrophic systems were studied in the laboratory utilizing gas-water-Sediment phase sealed microcosms. Sediments from Hyrum Reservoir (2.4 percent iron by weight) were placed in the dark to simulate the hypolimnetic regions of a eutrophic impoundment. Iron both chemically and physically was readily available to microorganisms of the aqueous phase because iron in these systems was soluble. In the light microcosms, which simulated shallow littoral regions of eutrophic impoundments, iron was found in higher aqueous phase concentrations than was predicted chemically and physically; this was rationalized through biological mechanisms. The experiment was conducted in two phases: Phase I …


Construction Of Kariakoo Market, C. E. M. Mpembeni Dec 1975

Construction Of Kariakoo Market, C. E. M. Mpembeni

Tanzania Journal of Engineering and Technology (TJET)

Abstract


Reconstruction Work Upon Solima Pier, K.A. Alibhai Dec 1975

Reconstruction Work Upon Solima Pier, K.A. Alibhai

Tanzania Journal of Engineering and Technology (TJET)

Abstract


A Systematic Approach To Water Resources Development, P. Widmoser Dec 1975

A Systematic Approach To Water Resources Development, P. Widmoser

Tanzania Journal of Engineering and Technology (TJET)

abstract


Curriculum In Civil Engineering At The University Of Dar Es Salaam, R. Wagner Dec 1975

Curriculum In Civil Engineering At The University Of Dar Es Salaam, R. Wagner

Tanzania Journal of Engineering and Technology (TJET)

Abstract


Environmental Education, J.M Maskini Dec 1975

Environmental Education, J.M Maskini

Tanzania Journal of Engineering and Technology (TJET)

Abstract


Technical Problems And Progress In Tanzania, Michael K. Mbwando Dec 1975

Technical Problems And Progress In Tanzania, Michael K. Mbwando

Tanzania Journal of Engineering and Technology (TJET)

Abstract


Ole Miss Engineer 1975 Dec 1975

Ole Miss Engineer 1975

Ole Miss Engineer

No abstract provided.


Evaluation Of Paint-Stripe Beads, Jerry G. Pigman, Kenneth R. Agent Dec 1975

Evaluation Of Paint-Stripe Beads, Jerry G. Pigman, Kenneth R. Agent

Kentucky Transportation Center Research Report

The objectives of this phase of the overall "Roadway Delineation" study were to evaluate the luminosity and durability of several types of glass beads and one type of plastic bead used with paint stripes and to determine their effectiveness during rainy, nighttime conditions. Eleven types of beads were evaluated. They were applied at rates approximating 4, 5, and 6 pounds per gallon (479, 599, and 719 kg/m3). Photometer and visual observations extended to about 9 months after application of test stripes.