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Showing 1-5 of 12 Abstracts search results

Document: 

SP169

Date: 

May 1, 1997

Author(s):

Editor: Stella L. Marusin

Publication:

Symposium Papers

Volume:

169

Abstract:

SP-169 Two sessions on "Performance of Overlays of Polymer Concretes" sponsored by Committee 548 on Polymers in Concrete were held at the Spring Convention in Denver, Colorado in March 1995. Five papers were presented at the first session titled: "Performance of Polymer Concrete Overlays Part I: Over 10 Years", and six papers were presented at the second session titled: "Performance of Polymer Concrete Overlays Part II: Less than 10 Years Old". All eleven papers published in this volume are case studies. Since different types of overlays-including thin overlays, polymer, epoxy and sulfur concrete are successfully in service on bridge decks, highways and garages, these authors feel that it is important to share their knowledge with the readers of this publication.

DOI:

10.14359/14209


Document: 

SP169-11

Date: 

May 1, 1997

Author(s):

F. Omata, M. Kawakami, M. Kagaya and H. Tokuda

Publication:

Symposium Papers

Volume:

169

Abstract:

Rapid abrasion of asphaltic concrete and Portland cement concrete pavements due to studded tires and tire chains in snowy and cold regions in Japan has been a serious problem from the viewpoint of environmental and health conditions. To solve the above abrasion problem, resin mortar, composed of methyl methacrylate (MMA) resin and hard aggregate, was applied in an overlay on existing pavements. In addition to its physical properties, abrasion of MMA resin mortar and concretes was first investigated in laboratory test. The remarkable characteristics of MMA resin mortar are its high early strength, curing even in low temperature, and high abrasion resistance. Subsequently, an overlay of MMA resin mortar was constructed on the pavement of the toll road gate. Abrasion depth has been measured for 7 years under traffic loads since 1988. From the results, the performance of MMA resin mortar was compared with that of asphaltic concrete and Portland cement concrete.

DOI:

10.14359/5938


Document: 

SP169-10

Date: 

May 1, 1997

Author(s):

James E. Maass

Publication:

Symposium Papers

Volume:

169

Abstract:

The I-80 Donner Pass job was a watershed in the history of polyester-styrene polymer concrete highway overlay; the culmination of approximately ten year’s research and test jobs by Cal-Trans. Completed in 1986, the lo-lane-mile job was highly successful. This paper reviews criteria used to select the overlay chemistry, procedures, equipment and suppliers used in the job; as well as the 1988 review by the senior materials and research engineer. The paper includes nine-year wear data by Cal-Trans and a look forward by individuals currently involved in on-going overlay projects being specified by Cal-Trans. Based on the success of this l-80 job, Cal-Trans continues to specify polyester-styrene polymer concrete for bridge decks and highway overlays.

DOI:

10.14359/5937


Document: 

SP169-09

Date: 

May 1, 1997

Author(s):

Floyd E. Dimmick, Sr.

Publication:

Symposium Papers

Volume:

169

Abstract:

bridge, decks, ramps and roadways utilizing portland cement B concrete [PCC] that need protection from natural environmental conditions such as wet/dry cycles, freeze-thaw, chlorides from soil [ 11, water or deicing salts, erosion, and abrasion f?omvehicular traffic can be protected with micro-thin epoxy polymer concrete overlays. This paper presents a brief review of three bridge deck overlays in the United States that comply with AASHTO-AGC-ARTBA Task Force 34, Chapter 4, Epoxy Polymer Concrete Overlays [2]. It provides information when to use Epoxy Polymer Concrete [EPC] Overlays, how to place the overlay, equipment options, surface profile selection, physical properties of the EPC and commentary on each project.

DOI:

10.14359/5936


Document: 

SP169-08

Date: 

May 1, 1997

Author(s):

Jamal-Aldin H. Zalatimo and David W. Fowler

Publication:

Symposium Papers

Volume:

169

Abstract:

Several overlay test sections were placed on two bridge decks and a section of a concrete approach pavement in Fort Worth, Texas, about five years ago. Different monomers, primers, mix designs, and construction methods were used. The same materials were investigated extensively in the laboratory. The test sections were open to regular traffic and tested several times over the past five years. The results and conclusions of this experimental program are presented here.

DOI:

10.14359/5935


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