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A Critical Review Of Literature Treating Methods Of Identifying Aggregates Subject To Destructive Volume Change When Frozen In Concrete
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Book Synopsis A Critical Review of Literature Treating Methods of Identifying Aggregates Subject to Destructive Volume Change when Frozen in Concrete by : National Cooperative Highway Research Program
Download or read book A Critical Review of Literature Treating Methods of Identifying Aggregates Subject to Destructive Volume Change when Frozen in Concrete written by National Cooperative Highway Research Program and published by . This book was released on 1964 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis One-cycle Slow-freeze Test for Evaluating Aggregate Performance in Frozen Concrete by : Virginia Polytechnic Institute
Download or read book One-cycle Slow-freeze Test for Evaluating Aggregate Performance in Frozen Concrete written by Virginia Polytechnic Institute and published by . This book was released on 1969 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Investigation was conducted to develop a simple and fast test that could be used to identify aggregates that cause poor concrete performance when frozen. A one-cycle slow- freeze test was developed and evaluated by correlating results with the durability factor obtained from astm method c290 (the standard freezing and thawing test in water). The test method and testing procedures are presented in detail.
Book Synopsis Expert/knowledge-based Systems for Cement and Concrete by : Lawrence J. Kaetzel
Download or read book Expert/knowledge-based Systems for Cement and Concrete written by Lawrence J. Kaetzel and published by . This book was released on 1991 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Economics of Design Standards for Low-volume Rural Roads by : Clarkson Hill Oglesby
Download or read book Economics of Design Standards for Low-volume Rural Roads written by Clarkson Hill Oglesby and published by . This book was released on 1969 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: he objective of this study is to examine prevailing rural design standards to determine their economic justification. This would evaluate in depth the cost of some of the most significant design practices (for example, roadway and shoulder width and surfacing type). Resulting user benefits, such as operating, accident and time savings would be weighed against the cost of individual features. In addition to the analysis of the user-benefit relationships, the economic and social consequences to local residents, businesses and communities should be studied and a suitable means of including them in the reckoning of warranted levels of improvement should be found.
Book Synopsis Measurement of Pavement Thickness by Rapid and Nondestructive Methods by : S. D. Howkins
Download or read book Measurement of Pavement Thickness by Rapid and Nondestructive Methods written by S. D. Howkins and published by . This book was released on 1968 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: The feasibility is investigated of various acoustic (sonic), nuclear, and electrical techniques for nondestructive measurement of Portland cement and bituminous concrete pavement thickness both during and after construction. Recommendations are made for equipment development and field testing of three specific methods that could potentially result in such measurements with the desired degree of speed and accuracy.
Book Synopsis Density and Moisture Content Measurements by Nuclear Methods by : Robin P. Gardner
Download or read book Density and Moisture Content Measurements by Nuclear Methods written by Robin P. Gardner and published by . This book was released on 1967 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sources of error that have been identified on the gamma-ray soil density gauge are: (1) sensitivity to local density variations, especially at the soil surface, (2) sensitivity to soil composition, and (3) inaccurate calibration techniques. An attempt was made to solve these problems by developing for each gauge calibration models that enable stable and homogenous non-soil standards to be used for calibration. Calibration standards and calibration models for each gauge were found and tested. In the process of developing and testing the new nuclear gauge calibration model, the dual-gauge principal of compensating these gauges for variations in soil composition was discovered. The air-gap method of using this principal is explained and was optimized by using the calibration model developed in the current study.
Book Synopsis Scenic Easements by : Donald T. Sutte
Download or read book Scenic Easements written by Donald T. Sutte and published by . This book was released on 1968 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary -- Introduction -- Past experience and plans for future action -- Legal problems in acquisition and enforcement -- Proposed enabling legislation and suggested scenic easement provisions -- Administrative problems and procedures -- Valuation problems and procedures -- Suggested research -- Appendices.
Book Synopsis Tentative Design Procedure for Riprap-lined Channels by : Alvin George Anderson
Download or read book Tentative Design Procedure for Riprap-lined Channels written by Alvin George Anderson and published by . This book was released on 1970 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study was the development of criteria and design procedures for the use of aggregate riprap linings, which consists of a layer of discrete fragments of rock of sufficient size to resist the erosive forces of the flow. The design of such riprap-lined drainage channels involves the interrelationship between the discharge, the longitudinal slope, the size and shape of the channel, and the size distribution of the riprap lining. This report describes these interrelationships and develops design criteria by which a riprap-lined drainage channel can be proportioned and the riprap lining can be specified for a given discharge and longitudinal slope. The relationships so developed have been reduced to design charts, the use of which permits rapid and simple establishment of channel shape and size as well as of the properties of the riprap lining.
Book Synopsis Significance of Tests and Properties of Concrete and Concrete-Making Materials by :
Download or read book Significance of Tests and Properties of Concrete and Concrete-Making Materials written by and published by ASTM International. This book was released on 1978 with total page 875 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Evaluation of Studded Tires written by and published by . This book was released on 1969 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: The current state of knowledge with both studded tire performance and methods of assessing pavement wear is reported. An annotated bibliography is presented of all known research on this subject from the U.S. and European sources, a review and evaluation of the data and results of completed studies and recommendations for future research. The objectives of the study were confined to the following tests: (1) correlation of data on the frictional characteristics of studded tires on ice, packed snow, and on bare pavements, and (2) development of a method, or methods, of quantitative assessment of the difference in wearing and abrasive effects of studded versus unstudded tires on different types of surfaces. A stud-resistance coefficient for operation on ice was derived and all U.S. data are correlated with this parameter and ice temperature.
Book Synopsis Highway Noise; a Design Guide for Highway Engineers by : Bolt, Beranek, and Newman
Download or read book Highway Noise; a Design Guide for Highway Engineers written by Bolt, Beranek, and Newman and published by . This book was released on 1971 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt: Various methods of assessing noise, loudness, and noise annoyance are reviewed and explained; sources, types, and intensities of traffic noise are noted; typical means of abatement and attenuation are described; design criteria for various land uses ranging from low-density to industrial are suggested and compared with the results of previous BBN and British systems for predicting annoyance and complaint; and a design guide for predicting traffic noise, capable of being programmed for batch and on-line computer applications, is presented in form suitable for use as a working tool. A flow diagram describes the interrelationships of elements in the traffic noise prediction methodology, and each element is discussed in detail in the text. The text is presented of a tape recording that takes the listener through a series of traffic situations, with such variables as traffic distance, flow velocity, distance, outdoors and indoors, and presence or absence of absorbers and attenuators.
Book Synopsis Social and Economic Factors Affecting Intercity Travel by : Vogt, Ivers & Associates
Download or read book Social and Economic Factors Affecting Intercity Travel written by Vogt, Ivers & Associates and published by . This book was released on 1969 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: A research study was conducted to define the social and economic factors affecting intercity travel and to use the resulting relationships with existing traffic prediction tools to predict intercity travel. Data used were the external origin-and-destination surveys of 22 cities. Another source of data was the U.S. census. Trip data from the origination-destination studies were summarized by trip purposes and by increasing time rings from the study area centroids. A stepwise regression analysis computer program was used to determine the relationship between trips and social and economic data. In an alternate analysis procedure, the survey data were utilized to determine the amount and characteristics of intercity trip generation.
Book Synopsis Motorists' Needs and Services on Interstate Highways by : A. Kuprijanow
Download or read book Motorists' Needs and Services on Interstate Highways written by A. Kuprijanow and published by . This book was released on 1969 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report will be of primary interest to highway administrators and traffic planners who are concerned about the present and future service demands on the Interstate Highway System. This study compares the availability and the demand for (a) emergency services which are those normally supplied by police, tow vehicles and ambulances; (b) normal services which are routine services such as gasoline, food and lodging, and (c) supplemental services which include rest areas, signing for directions and services and a choice of service types, brands, prices, etc. Recommendations are presented which should remove some of the deficiencies found by the researchers.
Book Synopsis Urban Travel Patterns for Hospitals, Universities, Office Buildings, and Capitols by : Louis E. Keefer
Download or read book Urban Travel Patterns for Hospitals, Universities, Office Buildings, and Capitols written by Louis E. Keefer and published by . This book was released on 1969 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Travel patterns were studied for hospitals, colleges and universities, office buildings, and state capitol complexes. The analyses include trip generation, trip distribution, and general trip characteristics such as trip purpose and mode of travel. Data were obtained from many origin-and-destination studies conducted during recent years for urban transportation planning processes. Trips to and from specific types of land use were studied. The trip generation characteristics are related to various quantifiable factors for each specific land use through the use of multiple regression analyses.
Book Synopsis Protective Coatings for Highway Structural Steel by : John D. Keane
Download or read book Protective Coatings for Highway Structural Steel written by John D. Keane and published by . This book was released on 1969 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: A current state-of-the-art survey is presented with regard to painting of highway structural steel. A thorough literature review was conducted and an inspection and evaluation made of more than 4,000 paint exposure tests. Paint film thickness measurement studies were made. Specific recommendations are given for selecting typical paint systems on the basis of six environmental zones, which represent the range of severity of environment in which highway steel structures are located in the United States. Model specifications are suggested for surface preparation, application, material procurement, and paint system.
Book Synopsis Effect of Highway Landscape Development on Nearby Property by : John H. Brinton
Download or read book Effect of Highway Landscape Development on Nearby Property written by John H. Brinton and published by . This book was released on 1969 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data were collected and disturbances were measured to determine the effects of physical disturbances by limited access highways on nearby property values. 3 types of analyses were made on the collected data: major-variable analysis, economic analysis, and interview analysis. In the major-variable analysis, relationships and correlations were examined between sound levels and sound level reductions at specific measurement points, and other variables such as sound level perception, present tree diversity, and homeowners' attitudes of buying another house next to the highway. The economic analysis evaluated the effect of highway disturbances and landscape/landforms on property values. The interview analysis was used to evaluate specific complaints or disturbances.
Book Synopsis Publication Index - Highway Research Board by : National Research Council (U.S.). Highway Research Board
Download or read book Publication Index - Highway Research Board written by National Research Council (U.S.). Highway Research Board and published by . This book was released on 1963 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
