Temperature predictions and adjustment factors for asphalt pavement

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U.S. Dept. of Transportation, Federal Highway Administration, Research, Development, and Technology, Turner-Fairbank Highway Research Center, Available to the public through the National Technical Information Service , McLean, VA, [Springfield, VA
Pavements, Asphalt -- Temperature., Pavements -- Perform
ContributionsTurner-Fairbank Highway Research Center.
The Physical Object
FormatMicroform
Pagination1 v.
ID Numbers
Open LibraryOL15574309M

Temperature predictions and adjustment factors for asphalt pavement This report presents the results of an analysis of the response that deflections and backcalculated asphalt moduli have. Get this from a library. Temperature predictions and adjustment factors for asphalt pavement. [Erland O Lukanen; Richard Stubstad; Robert C Briggs; United States.

Download Temperature predictions and adjustment factors for asphalt pavement PDF

Federal Highway Administration. Office of Infrastructure Research and Development.; Turner-Fairbank Highway Research Center.; Braun Intertec Corporation.] -- This report presents the results of an analysis of the response that. C Develop a model that can be used to predict the temperature within an asphalt layer from surface temperature data collected during routine deflection testing.

C Develop relationships between asphalt temperature, pavement deflections, deflection basin shape factors, and backcalculated asphalt modulus. The models are to provide the basis for. Temperature Predictions and Adjustment Factors for Asphalt Pavement, Federal Highway Administration Report FHWA-RD, by Erland O.

Lukanen, Richard Stubstad, and Robert Briggs, June Table of Contents | Next. Temperature is one of the most important factors affecting functional as well as structural performance of asphalt pavements with thick asphalt layer (>30 cm).

For a successful pavement design, it is vital to accurately predict the pavement temperatures at various by: Temperature predictions and adjustment factors for asphalt pavement. by Turner-Fairbank Highway Research Center.; Book Microform: National government publication: Microfiche.

the pavement temperature at other depths. This is especially true during the hot days of summer. Finally, the energy emit­ ted from the pavement surface, qn is always negative.

There­ fore, during summer, when the greatest interest in predicting the maximum pavement temperature exists, the net rate ofFile Size: KB. Pavement Temperature Profile and History Prediction Step 2. Oxidative Aging Prediction. Step 3 Thermal Stress Calculation Step 4 • Thermal Cracking Event Probability.

Pavement temperature at depth z (Step 1) • Asphalt binder aging properties • Kinetics (E a, and APα) • Hardening parameters (HS, m) Layer properties: Asphalt mixture File Size: 3MB. Pavement Temperature Profile Prediction Improvement of the Heat Transfer model [Han et al., (TAMU)] Enhanced boundary conditions.

Variable pavement surface radiation properties. Application of Finite Control Volume method (FCV) with Implicit Scheme [Zia et al., (UNR)] Considering discontinuity in pavement layers’ Size: 1MB.

(a) prediction of pavement depth temperatures; (b) temperature adjustment factors for pavements with granular or asphalt­ treated base [1 in. = mm; °C = (°F - 32)/].File Size: KB. In the structural design of asphalt concrete pavement system, two climatic factors, temperature and moisture, are considered to influence the structural behavior of the pavement.

Description Temperature predictions and adjustment factors for asphalt pavement PDF

Analysis of the temperature influence on flexible pavement deflection Article in Construction and Building Materials 25(8) August with Reads How we measure 'reads'.

temperature obtained from field measurements. For each analysed day, the pavement temperature was measured at a new pavement section, located in IP4 main road, near Bragança, in the north of Portugal. At this location, seven thermocouples were installed in the asphalt rubber and conventional mix layers, at seven different depths.

These pavementFile Size: KB. A model for calculating pavement temperatures from meteorological data / by R.G.

Robinson; Temperature predictions and adjustment procedures for asphalt concrete pavements [microform] Temperature predictions and adjustment factors for asphalt pavement [microform].

Temperature adaptability of asphalt pavements is very important, due to their potential influence on pavement structure design, particularly in areas that experience significant temperature differences.

In this paper, a finite element (FE) model was developed, and Turpan-Xiaocao Lake Highway in southern Xinjiang was taken as a case study engineering, which tends to experience this adverse Author: Xueying Zhao, Aiqin Shen, Baofu Ma.

The results of a study aimed at investigating the effects of temperature and surface texture on the friction force developed at the tire–pavement interface during skidding are presented.

Ten field sites representing a variety of asphalt pavements in the State of Ohio were selected for the study. temperature (thermal) cracking, one of the main types of pavement distress, contributes partly to this economic loss, and comes about as a result of accumulated tensile strains exceeding the threshold tensile strain capacity of the pavement.

Predicting Low-Temperature Cracking in Asphalt Pavements I n Wisconsin’s winter climate, low temperatures can cause asphalt pavements to contract and crack, reducing their ride quality and service lives. To help engineers more accurately determine how well certain pavement designs will fare in such conditions, AASHTO has developed the.

Note that the depth of mm was selected since it has been generally used [] for predicting the maximum temperature in asphalt many cases, it may not be the case; for example, Table 2, data for this case the field data from Davis, CA shows that the maximum temperature at mm was slightly higher than the maximum temperature at by: 3.

ASPHALT PAVEMENT TEMPERATURE SIMULATION Model description Model formulation Model calibration Model sensitivity Comparison of simulated and measured pavement temperatures (snowless season) Full year simulation of pavement temperature Pavement temperature simulation for a RWIS.

The Mechanistic-empirical pavement design guide (MEPDG) provides theoretically superior methodology, as compared with its predecessor, for the design and analysis of pavement mechanistic part refers to simulating pavement–tire interaction to calculate critical responses within pavement.

Details Temperature predictions and adjustment factors for asphalt pavement FB2

The empirical part means prediction of pavement distress propagation over time using. Therefore, under high-temperature conditions, the asphalt pavement structure will have compression and rutting because of the viscosity of the asphalt mixture.

When the temperature decreases, although the strength of the asphalt mixture will increase, the thermal stress in the asphalt mixture will also increase; sometimes, it will surpass the. In cold climate regions, thermal cracking of asphalt pavements is a major pavement distress.

Cold climates cause a thermal contraction within the pavement. When combined with the brittle behaviour of asphalt at low temperatures, the thermally induced stresses are relieved by transverse cracks forming in the by: 6. PREDICTION OF EFFECTIVE ASPHALT LAYER TEMPERATURE.

The most widely used method for evaluating deflection measurements for overlay design analysis is the AASHTO "Guide for Design of Pavement Structures".Cited by: Unfortunately, this book can't be printed from the OpenBook.

If you need to print pages from this book, we recommend downloading it as a PDF. Visit to get more information about this book, to buy it in print, or to download it as a free PDF. Establish the mechanical model of asphalt pavement low-temperature cracking, analysis the factors leading to cracking.

The factors such as shrinkage coefficient of asphalt pavementtemperature stresspavement structure combination forms and temperature contribution affect the asphalt pavement on cracking behavior.

Study the effect of aggregate gradation type on asphalt mixture temperature Author: Zhao Sheng Li, Yi Qiu Tan. MEASURING PAVEMENT TEMPERATURE TxDOT Designation: TexB Effective Date: August 1. SCOPE This method details the apparatus and procedure used to determine the temperature of pavement near the pavement's surface.

The values given in parentheses (if provided) are not standard and may not be exact mathematical Size: 73KB. Investigation of Low Temperature Cracking in Asphalt Pavements - Phase II.

Low temperature cracking is the most prevalent distress found in asphalt pavements built in cold weather climates. As the temperature drops the restrained pavement tries to shrink. The tensile stresses build up to a critical point at which a crack is formed. analyses to improve the low temperature fracture resistance of asphalt pavements.

The two sets of materials were evaluated using current testing protocols, such as creep and strength for asphalt binders and mixtures as well as newly developed testing protocols, such as the disk compact tension test, single. areas in the mat directly behind the paver, which were sampled along with normal-temperature pavement areas.

These areas were tested for gradation, asphalt content, density (bulk, maximum theoretical, and nuclear), and temperature. The mat temperatures were taken with the infrared camera and temperature probes at mid-depth in the mat. Assume that such a temperature exists throughout the pavement, when suddenly a rainstorm reduces the surface temperature to 20 degrees Celsuis.

Calculate the total amount of energy (J/squared meter) that will be transferred from the asphalt over a 30 min period in which the surface is .By using energy balance method and considering the balance among solar short wave radiation, atmospheric and pavement surface long wave radiations, latent heat fluxes and sensible heat fluxes, a prediction model for AC road surface temperature is established.

The pavement temperature and meteorological observation data of Ningbo city (from July 15 to August 13) have been used Author: Qin Yang.specimens loaded in compression along the diameter (5).

A critical cracking temperature can be obtained at the intersection of the tensile strength-temperature master curve and the thermal stress-temperature master curve.

This approach is also used in the TCMODEL subroutine of the new Mechanistic Empirical Pavement Design Guide (MEPDG)(6).