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determining asphalt surface temperature using weather

determining asphalt surface temperature using weather

Determining asphalt surface temperature using weather ...

2019-12-1  The weather data (air temperature, solar radiation, R H, wind speed and wind direction) were collected using a weather station from an instrumentation pavement section near the city of Albuquerque, New Mexico from October 2012 to October 2013.Further new data was collected from October 2014 to June 2015 to validate the models. Rainfall data was neglected as annual rainfall is very low in New ...

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Determining asphalt surface temperature using weather ...

Determining asphalt surface temperature using weather parameters. ... This study develops three regression models to determine the surface temperature of an asphalt pavement using field measured ...

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(PDF) Determining the Average Asphalt Temperature of ...

This study develops a regression model to determine the average temperature within asphalt layer using the surface temperature. The temperature data was collected from an instrumentation section ...

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Asphalt Pavement Temperature Prediction Models: A Review

Temperature distribution is the one of the most contributing environmental factors which affects the mechanical properties of flexible asphalt paving mixtures and the asphalt pavement structure’s bearing capacity [1,2].To briefly define, pavement temperature is defined as the changes in pavement surface temperature with the variation in weather parameters over time as influenced by the ...

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Predicting Maximum Pavement Surface Temperature

ture specifications and as a quick method of determining maxi­ mum pavement temperature for various regions in the United States and Canada. The method is based on the energy balance at the pavement surface and the resulting temperature equilib­ rium. Reasonable assumptions are made regarding thermal prop­ erties of the asphalt concrete. The ...

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Determining thermal properties of asphalt concrete using ...

2014-9-30  Using the field measured pavement temperature and strain variations, calculated CTC and CTE values of asphalt concrete are to be 2.69 × 10 −5 per °C and 2.42 × 10 −5 per °C in fall and 2.47 × 10 −5 per °C and 2.77 × 10 −5 per °C in winter respectively. These values are within the range of the laboratory values available in ...

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Prediction Model for Asphalt Pavement Temperature in

3.2. Variation of Pavement Temperature. Figure 6 shows the pavement temperature in July 2013. As can be seen, although the pavement temperature decreases with the increase of depth from road surface, the overall temperature of asphalt pavement in Beijing is very high in summer, and the maximum temperature can reach 35°C at the depth 5 cm from the road surface.

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Temperature Adaptability of Asphalt Pavement to High ...

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 ...

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Surface and ambient air temperatures associated with ...

2013-2-13  thermometer for surface temperatures and digital thermometer for air temperatures. Using ANOVA, I found differences in surface temperatures of each material, but air temperatures showed no significant difference. However, a correlation test showed strong and positive correlation between the surface temperature and air temperature of each material.

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THE SURFACE CHART - National Weather Service

2 天前  Temperature advection and moisture advection are important elements to study on surface charts. This will be examined in detail in the next section on the 850 mb analysis chart. Warm air advection and moisture advection near the surface will cause

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Predicting Maximum Pavement Surface Temperature

ture specifications and as a quick method of determining maxi­ mum pavement temperature for various regions in the United States and Canada. The method is based on the energy balance at the pavement surface and the resulting temperature equilib­ rium. Reasonable assumptions are made regarding thermal prop­ erties of the asphalt concrete. The ...

get price

Prediction Model for Asphalt Pavement Temperature in

3.2. Variation of Pavement Temperature. Figure 6 shows the pavement temperature in July 2013. As can be seen, although the pavement temperature decreases with the increase of depth from road surface, the overall temperature of asphalt pavement in Beijing is very high in summer, and the maximum temperature can reach 35°C at the depth 5 cm from the road surface.

get price

How Does Cold Weather Affects Your Asphalt Pavement?

2018-11-27  In winter or cold weather asphalt can be damaged. When winter comes, the temperature often drops and snowfall happens. Snow freezing results into cracking of the asphalt driveway and parking lot. We at Main Infrastructure lower the risk of cracking

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Temperature Adaptability of Asphalt Pavement to High ...

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 ...

get price

MODELING THE SURFACE STORED THERMAL ENERGY IN

2016-7-21  face temperature, using minimal daily air temperature, day of the year, wind speed and solar radiation as predictors, based on data from Awbari, Libya. Re-sults were compared with the existing SHRP and LTPP models. This paper also presents the models to predict surface pavement temperature depending on the

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METHODOLOGY FOR DETERMINING MOST SUITABLE

2014-7-5  METHODOLOGY FOR DETERMINING MOST SUITABLE COMPACTION TEMPERATURES FOR HOT MIX ASPHALT Hassan Youness Ahmed Assistance Prof., Civil Engineering Department, Faculty of Engineering, Assiut University, Assiut, Egypt (Received August 6, 2007 Accepted August 28, 2007) Using an in-correct compaction temperature of hot-mix asphalt has caused

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Effect of Climate Environmental Conditions on Pavement ...

2020-1-8  bulb of the thermometer was painted asphalt cement and laid on the surface and held there by a thin coat of asphalt cement. Temperature readings where started for recording about one day after the thermometers had been fixed in positions. The temperature measurements where taken at 6:00 am, 10:00 am, 2:00 pm, and 6:00

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Estimation of Black Globe Temperature for Calculation of ...

2016-9-21  the "globe temperature." This temperature is found by using a copper globe painted in black matte paint with a thermometer inserted so that the bulb is in the center of the globe. This temperature is not routinely collected by the NWS. Turco, et. al. (2008) derived equations to estimate the black globe temperature based on meteorological data.

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Bituminous Surface Treatments – Pavement Interactive

Ambient air temperature at the time of application should be a minimum of 50°F (10°C) when using emulsions, and 70°F (21°C) when using asphalt cements, with a maximum of 110°F (43°C) (chapter seven). When using emulsions, the temperature of the surface

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THE SURFACE CHART - National Weather Service

2 天前  Temperature advection and moisture advection are important elements to study on surface charts. This will be examined in detail in the next section on the 850 mb analysis chart. Warm air advection and moisture advection near the surface will cause

get price

Temperature Distribution Within Asphalt Pavements and

periods of inclement weather reduced the surface temperature to nearly the level of the air temperature and proportionately decreased the temperature throughout the 12-in. pavement thickness. Air temperatures generally dropped and recovered more slowly than the pavement surface temperature. Therefore, air-temperature history was an

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Effect of Climate Environmental Conditions on Pavement ...

2020-1-8  bulb of the thermometer was painted asphalt cement and laid on the surface and held there by a thin coat of asphalt cement. Temperature readings where started for recording about one day after the thermometers had been fixed in positions. The temperature measurements where taken at 6:00 am, 10:00 am, 2:00 pm, and 6:00

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Simulation and Characterization of Asphalt Pavement ...

2016-5-18  The mechanical properties of asphalt change substantially with temperature. Surface heat transfer produces high stress gradients near the pavement surface, diurnal temperature cycling may induce fatigue cracks, and freeze-thaw cycles may cause cracking. Both measured temperature data and model simulations provide useful characterizations of

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METHODOLOGY FOR DETERMINING MOST SUITABLE

2014-7-5  METHODOLOGY FOR DETERMINING MOST SUITABLE COMPACTION TEMPERATURES FOR HOT MIX ASPHALT Hassan Youness Ahmed Assistance Prof., Civil Engineering Department, Faculty of Engineering, Assiut University, Assiut, Egypt (Received August 6, 2007 Accepted August 28, 2007) Using an in-correct compaction temperature of hot-mix asphalt has caused

get price

Learn the Effects Snowy Weather has on Asphalt Pavement ...

2020-3-20  The ability of asphalt pavement to withstand extreme weather conditions mainly depends on the type of sub-base used and how it was installed. Many contractors believe using 5 to 6 inches of full-depth asphalt is a strong sub-base and durable enough for different climates and loads. Some opt for crushed gravel as a sub-base. It pays to invest in ...

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THE SURFACE CHART - National Weather Service

2 天前  Temperature advection and moisture advection are important elements to study on surface charts. This will be examined in detail in the next section on the 850 mb analysis chart. Warm air advection and moisture advection near the surface will cause

get price

Estimation of Black Globe Temperature for Calculation of ...

2016-9-21  the "globe temperature." This temperature is found by using a copper globe painted in black matte paint with a thermometer inserted so that the bulb is in the center of the globe. This temperature is not routinely collected by the NWS. Turco, et. al. (2008) derived equations to estimate the black globe temperature based on meteorological data.

get price

Bituminous Surface Treatments – Pavement Interactive

Ambient air temperature at the time of application should be a minimum of 50°F (10°C) when using emulsions, and 70°F (21°C) when using asphalt cements, with a maximum of 110°F (43°C) (chapter seven). When using emulsions, the temperature of the surface

get price

How Cool Pavements Work Cool California

The surface and base layers are often made out of the same rock and sand, but the upper layers typically use cement or asphalt to bind the rock together. Together, these layers are designed to work as a unit to support various traffic loads in all weather and on all soil types.

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Lecture 8 - Surface weather map analysis

2012-1-4  Pressure, wind, temperature, cloud cover, and weather data are shown. Plotting the surface weather data on a map is just the beginning. You really can't tell, for example, what is causing the cloudy weather with rain (the dot symbols) and drizzle

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