| Title | Dimensional Stability of Grout-like Materials Used in Field-Cast Connections |
|---|---|
| Record ID | 61439 |
| Personal Name Creator |
De la Varga, Igor |
| Personal Name Contributor |
Graybeal, Benjamin A. |
| Corporate Creator | United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development; United States. Department of Transportation. Federal Highway Administration. Turner-Fairbank Highway Research Center |
| Publisher | United States. Federal Highway Administration; Turner-Fairbank Highway Research Center |
| Publication Date | 20161201 |
| Language | English |
| Abstract | The wide use of grouts and grout-like materials in the construction industry is seen in applications such as joint sealing, structural repair, and connections in prefabricated bridge elements (PBEs). Currently, different types of grouts are available (e.g., epoxy-based, cementitious-based, etc.). The selection of the most appropriate grout type is commonly based on the application in which it is used and the desired performance. Grouts for transportation applications typically require high-performance properties such as rapid strength development and superior durability characteristics. However, dimensional stability issues (i.e., expansion and shrinkage) have been observed in various applications with different grout types but especially in cases where cementitious grouts were used, due mainly to their inherent shrinking behavior. This document provides information about the current approaches to quantifying the dimensional stability of grouts and groutlike materials, including those cementitious grouts known as "non-shrink cementitious grouts (NSCGs)," and highlights some of the limitations of the test methods currently in use. Additional material testing methods to better quantify dimensional stability are also proposed, as well as strategies to help mitigate some of the shrinkage observed in these types of materials. |
| Rosap ID | dot:35887 |
| Rosap URL | https://rosap.ntl.bts.gov/view/dot/35887 |
| TRT Terms | Cement grouts; Grout; Shrinkage; Test procedures |
| General Subjects | Dimensional stability |
| Geographical Coverage |
United States |
| TRIS Online Accession No |
1619960 |
| Contract Number | DTFH61-13-D-00007 |
| Report Number | FHWA-HRT-16-080; HRDI-40/12-16(WEB)E |
| Availability | Federal Highway Administration |
| Resource type | Tech Report |
| URL | https://ntlrepository.blob.core.windows.net/lib/61000/61400/61439/16080.pdf |
| Format | |
| Database | NTL Digital Repository |