Estimation of Key PCC, Base, Subbase, and Pavement Engineering Properties from Routine Tests and Physical Characteristics PDF Download
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Author:
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 6
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Book Description
Author:
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 6
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Book Description
![Estimation of Key Pcc, Base, Subbase, and Pavement Engineering Properties from Routine Tests and Physical Characteristics /c. Rao [And Five Others]. PDF](https://books.google.com/books/content/images/frontcover/ZpH8uQEACAAJ?fife=w80-h100)
Author: U.s. Department of Transportation
Publisher: Createspace Independent Publishing Platform
ISBN: 9781723453212
Category :
Languages : en
Pages : 218
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Book Description
Estimation of key PCC, base, subbase, and pavement engineering properties from routine tests and physical characteristics / C. Rao [and five others].
Author:
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 0
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Book Description
"Material characterization is a critical component of modern day pavement analysis, design, construction, quality control/quality assurance, management, and rehabilitation. At each stage during the life of a project, the influence of several fundamental engineering material parameters on the long-term performance of the pavement can be predicted using advanced tools like the American Association of State Highway and Transportation Officials Mechanistic-Empirical Pavement Design Guide (MEPDG). Consequently, there is a need for more information about material properties, which are addressed only to a limited extent with currently available resources for performing laboratory and field testing. Reliable correlations between material parameters and index properties offer a cost-effective alternative and are equivalent to the level 2 MEPDG inputs. The Long-Term Pavement Performance (LTPP) database provides data suitable for developing predictive models for Portland cement concrete (PCC) materials, stabilized materials, and unbound materials, as well as other design-related inputs for the MEPDG. This user's guide provides a summary of the models developed, describes their applications for specific project conditions, and lists their limitations. The following models are included-- PCC materials: Compressive strength, flexural strength, elastic modulus, tensile strength, and coefficient of thermal expansion; Stabilized materials: Elastic modulus of lean concrete base; Unbound materials: Resilient modulus of fine-grained and coarse-grained materials; and Rigid pavement design features: Pavement curl/wrap effective temperature difference for jointed plain concrete pavement and continuously reinforced concrete pavement designs."--Technical report documentation page.
Author: Chetana Rao
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 76
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Book Description
Material characterization is a critical component of modern day pavement analysis, design, construction, quality control/quality assurance, management, and rehabilitation. At each stage during the life of a project, the influence of several fundamental engineering material parameters on the long-term performance of the pavement can be predicted using advanced tools like the American Association of State Highway and Transportation Officials Mechanistic- Empirical Pavement Design Guide (MEPDG). Consequently, there is a need for more information about material properties, which are addressed only to a limited extent with currently available resources for performing laboratory and field testing. Reliable correlations between material parameters and index properties offer a cost-effective alternative and are equivalent to the level 2 MEPDG inputs. The Long-Term Pavement Performance (LTPP) database provides data suitable for developing predictive models for Portland cement concrete (PCC) materials, stabilized materials, and unbound materials, as well as other design-related inputs for the MEPDG. This user's guide provides a summary of the models developed, describes their applications for specific project conditions, and lists their limitations. The following models are included: PCC materials: Compressive strength, flexural strength, elastic modulus, tensile strength, and coefficient of thermal expansion; Stabilized materials: Elastic modulus of lean concrete base; Unbound materials: Resilient modulus of fine-grained and coarse-grained materials; and Rigid pavement design features: Pavement curl/wrap effective temperature difference for jointed plain concrete pavement and continuously reinforced concrete pavement designs.
Author: Chetana Rao
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 1984
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Book Description
Author: Jong Wan Hu
Publisher: World Scientific
ISBN: 9813146591
Category : Technology & Engineering
Languages : en
Pages : 349
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Book Description
ICAEMM2016 is an annual international conference that aims to present research outcomes undertaken in applied engineering, materials and mechanics. The book is a collection of 48 selected peer-reviewed articles, organized into three main chapters — advanced materials and power energy theory and studies; management technology and construction engineering applications; and mechanical and hydrology engineering design and applications.This conference brings together scientists, scholars, engineers and students from universities, research institutes and industries all over the world to share their latest research results. The conference also fosters collaboration among organizations and researchers alike in the areas of applied mechanics and materials science.
Author: H. R. Pasindu
Publisher: Springer Nature
ISBN: 303087379X
Category : Technology & Engineering
Languages : en
Pages : 917
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Book Description
This volume gathers the latest advances, innovations, and applications in the field of pavement technology, presented at the 12th International Conference in Road and Airfield Pavement Technology (ICPT), hosted by the University of Moratuwa, Sri Lanka, and held on July 14-16, 2021. It covers topics such as pavement design, evaluation and construction, pavement materials characterization, sustainability in pavement engineering, pavement maintenance and rehabilitation techniques, pavement management systems and financing, transportation safety, law and enforcement related to pavement engineering, pavement drainage and erosion control, GIS applications, quarry material assessment, pavement instrumentation, IT and AI applications in pavement. Featuring peer-reviewed contributions by leading international researchers and engineers, the book is a timely and highly relevant resource for materials scientists and engineers interested in pavement engineering.
Author: David E. Newcomb
Publisher: Transportation Research Board
ISBN: 9780309068574
Category : Science
Languages : en
Pages : 84
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Book Description
This synthesis report will be of interest to pavement and geotechnical design and research engineers, geologists and engineering geologists, and related laboratory personnel. It describes the current practice for measuring in situ mechanical properties of pavement subgrade soils. The tests conducted to measure the mechanical properties of soil strength and stiffness are the primary topics, and these are discussed in the context of design procedures, factors affecting mechanical properties, and the variability of measurements. Information for the synthesis was collected by surveying U.S., Canadian, and selected European transportation agencies and by conducting a literature search. This TRB report provides information on existing and emerging technologies for static and dynamic, and destructive and nondestructive testing for measuring in situ mechanical properties of pavement subgrade soils. Correlations between in situ and laboratory tests are presented. The effects of existing layers on the measurement of subgrade properties, and soil spatial and seasonal variability are discussed. Most importantly, the use of soil properties in pavement design and evaluation are explained. New applications or improvements to existing test methods to support the use of mechanistic/stochastic-based pavement design procedures are also explained.
Author: David White
Publisher:
ISBN:
Category : Adair County (Iowa)
Languages : en
Pages : 0
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Book Description
This report is one of two products for this project with the other being a design guide. This report describes test results and comparative analysis from 16 different portland cement concrete (PCC) pavement sites on local city and county roads in Iowa. At each site the surface conditions of the pavement (i.e., crack survey) and foundation layer strength, stiffness, and hydraulic conductivity properties were documented. The field test results were used to calculate in situ parameters used in pavement design per SUDAS and AASHTO (1993) design methodologies. Overall, the results of this study demonstrate how in situ and lab testing can be used to assess the support conditions and design values for pavement foundation layers and how the measurements compare to the assumed design values. The measurements show that in Iowa, a wide range of pavement conditions and foundation layer support values exist. The calculated design input values for the test sites (modulus of subgrade reaction, coefficient of drainage, and loss of support) were found to be different than typically assumed. This finding was true for the full range of materials tested. The findings of this study support the recommendation to incorporate field testing as part of the process to field verify pavement design values and to consider the foundation as a design element in the pavement system. Recommendations are provided in the form of a simple matrix for alternative foundation treatment options if the existing foundation materials do not meet the design intent. The PCI prediction model developed from multi-variate analysis in this study demonstrated a link between pavement foundation conditions and PCI. The model analysis shows that by measuring properties of the pavement foundation, the engineer will be able to predict long term performance with higher reliability than by considering age alone. This prediction can be used as motivation to then control the engineering properties of the pavement foundation for new or re-constructed PCC pavements to achieve some desired level of performance (i.e., PCI) with time.
Author: American Association of State Highway and Transportation Officials
Publisher: AASHTO
ISBN: 1560510552
Category : Pavements
Languages : en
Pages : 622
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Book Description
Design related project level pavement management - Economic evaluation of alternative pavement design strategies - Reliability / - Pavement design procedures for new construction or reconstruction : Design requirements - Highway pavement structural design - Low-volume road design / - Pavement design procedures for rehabilitation of existing pavements : Rehabilitation concepts - Guides for field data collection - Rehabilitation methods other than overlay - Rehabilitation methods with overlays / - Mechanistic-empirical design procedures.
