Microcomputer Construction Operations Simulation
This paper summarizes the current status of an ongoing research project whose objective is to collect time data from videotapes of field construction operations and use the data as input...
Physical and Chemical Data Needs for Design
The problems and deficiencies in the existing characterisation and evaluation of urban stormwater runoff quality are examined through discussion of adopted and proposed design criteria...
Review of Data Needs and Collection Technology
The quality - or pollutional effect - of urban runoff has not attained a societal level of importance sufficient to support understanding it, much less controlling it. The paper reviews...
Sources of Urban Pollutants?Do we Know Enough?
The non-USGS data from the NURP program are summarized in terms of their availability and adequacy for decision making and modeling. Results of selected projects are reviewed and related...
Lognormality of Point and Non-Point Source Pollutant Concentrations
This paper presents a series of probability plots of water quality data from a variety of discharge sources. It is intended to provide a visual display of the appropriateness of characterizing...
Estimation of Pollution from Highway Runoff?Initial Results
One of the first tasks in the present effort was to assemble a data base of highway runoff characteristics. In the paper that data base is described, the data are summarized, and best...
Soil Nailing a Wall
Soil nailing is the reinforced-earth idea (in which the earth must be backfilled behind the wall) applied to cut situations. Soil nails are an inexpensive post-tensioned tieback, consisting...
Issues and Challenges in Transit Performance Research
Using performance indicators as a management tool in the transit industry is a developing art. Three theoretical issues have deterred progress: disagreement over definitions of efficiency...
An Infrastructure-Based Strategy for Guiding Reconstruction, Development and Reconciliation in Lebanon
In 1979 an agreement was entered into between the CDR, U. S. A. I. D. , and the American University of Beirut (AUB) whereby an interdisciplinary team of AUB researchers would develop a...
Arctic Offshore Site Investigations
The continuing search for new petroleum sources has led to increased exploration activity in the arctic offshore regions of Alaska. The general approach to site investigations has been...
A Critique of Arctic Marine Site Investigation Techniques
Arctic marine site investigations have evolved from the need by oil companies to operate in offshore areas beyond the ice shear zone. An overview of the site investigation organization...
Electrical Resistivity Techniques for Offshore Arctic Geotechnical Engineering Applications
The electrical resistivity of an arctic marine soil depends on the porosity, pore water salinity, grain size and shape, clay content, and degree of ice-bonding of the soil. Therefore,...
Spatial Analysis of Ice Charts
Spatial approaches to ice environment modeling can not only lead to better local hazard predictions but also produce regionalizations that are useful for construction, navigation, and...
Risk Assessment of Sea Bottom Scouring Using Fuzzy Set Theory
An approach to the assessment of risk to buried pipelines from ice gouging is developed using Fuzzy Set Theory. Statistical procedures currently used to analyze ice gouge data are inadequate...
Geotechnical Thermal Analysis with a Microcomputer
A computer program entitled TDHC (Two-Dimensional Heat Conduction), based on finite element modelling, is capable of solving two-dimensional nonsteady-state heat conduction problems. These...
Geotechnical Design of Caisson Islands
There are a number of areas where fundamental geotechnical research is required so that non-conservative, rational and safe design of artificial exploration islands can be achieved. Some...
Quality Control Management of Real-Time Data
Recent improvements in the real-time acquisition of hydro-meteorological data have raised concerns regarding the quality of the data received. This paper presents several data verification...
The Improved SCS TR-20 Network Watershed Model
SCS Technical Release 20, 'Computer Program for Project Formulation - Hydrology' (TR-20), has been revised. Major revisions include new procedures for hydrograph...
Evaluation of Runoff Prediction Using Synthetic Rainfall and CREAMS
Of all the climatological data, rainfall is the variable to which a watershed responds most significantly. The amount and sequence of occurrence of rainfall are most important in the prediction...
Soil Movement and Surface Roughness on Wyoming Rangelands
Soil movement and surface roughness parameters were evaluated as a function of response to livestock grazing and semiarid shrub control treatments. Repeated elevation measurements of erosion...
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