Articles by Dave Johnson, P.E.

Asphalt binders_2023

Future challenges for the asphalt paving industry
April 4, 2023 Dr. Jon Epps, Ph. D., P.E., Dave Johnson, P.E.

Much has transpired in the asphalt industry over the past…

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Asphalt Fivekeys

Five keys to building a long-lasting asphalt pavement
March 1, 2022 Dave Johnson, P.E.

The earliest documented use of asphalt for road building was…

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Asphalt Figure1_TestStripConstructionatBlackStreet_WEB

Thick and rich in Utah
October 15, 2021 Dave Johnson, P.E.

Innovations for a challenging location  I have given hundreds of…

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Asphalt asphalt_road_wide

The advancement of asphalt pavements over the last 50 years
August 1, 2021 Dr. Jon Epps, Ph. D., P.E., Dave Johnson, P.E.

Asphalt pavements are the surfacing choice for about 94 percent…

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Asphalt Rumblestrips_web_1

Three keys to high-performing milled rumble strips
November 5, 2020 Dave Johnson, P.E.

Through the course of conducting my duties for the Asphalt…

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Asphalt MS22coverweb

A new asphalt construction manual for this decade and beyond
February 17, 2020 Dave Johnson, P.E.

The third edition of the Asphalt Institute’s “MS 22 –…

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Asphalt Recycling_Rollng_Web

Cold in-place recycling in New Mexico
June 18, 2019 James Gallegos, P.E., Dave Johnson, P.E.

Based on positive responses from past events, a third International…

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Asphalt Tack_Fig3

The importance of tack coats and interlayer bond strengths
May 1, 2018 Dave Johnson, P.E.

Regardless of the methodology employed, an assumption of all asphalt…

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Asphalt snowypaver_2016_web

The reality of cold weather compaction
December 5, 2016 Dave Johnson, P.E.

Paving seasons vary across the United States from areas that…

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Asphalt OLYMPUS DIGITAL CAMERA

Tackling tack coats
June 15, 2015 Dave Johnson, P.E.

Answers to common questions Tack coats and pavement bonding have…

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