Title:
Shear Testing of RCC and Other Concrete Blocks
Author(s):
Stephen B. Tatro and James K. Hinds
Publication:
Symposium Paper
Volume:
325
Issue:
Appears on pages(s):
2.1-2.16
Keywords:
DOI:
10.14359/51710943
Date:
7/25/2018
Abstract:
Shear testing using large concrete or RCC specimens is not commonly done. The equipment and manpower required to produce the required concrete volume and the apparatus required to restrain and apply loads can be quite substantial. All are beyond the market capability of most testing organizations. However, large projects may realize
significant benefits if properties of concrete from testing of large specimens can be determined.
This paper will provide general guidelines for when large specimen testing may be advantageous and specific examples of shear testing of large specimens. It will also provide recommendations on practical measures to implement when organizing such testing. The presentation is illustrated with an example of a project where production and testing of large shear specimens has been done. The example is from an RCC project where biaxial shear and direct tensile testing has been done. This is not intended to be a case study but a guidance document that may be applied to future projects.
Related References:
ASTM D 5607-08, Standard Test Method for Performing Laboratory Direct Shear Strength Tests of Rock Specimens Under Constant Normal Force, ASTM International, West Conshohocken, PA, 2008, www.astm.org
ASTM D 2936-08, Standard Test Method for Direct Tensile Strength of Intact Rock Core Specimens, ASTM International, West Conshohocken, PA, 2008, www.astm.org
RTH 203-80, Method of Test for Direct Shear Strength of Rock Core Specimens, Rock Testing Handbook, ERDC, Department of Army, Vicksburg, MS, 1980, www.wes.army.mil/SL/MTC/handbook/RT/RockTestingHandbook.htm
USACE (2006). Phase 1 Report of Aggregate Quality and Roller Compacted Concrete (RCC) Mixture Proportioning and Laboratory Testing for Portugues Dam Project, Materials Investigation. Department of the Army, Portland District Corps of Engineers, Portland, OR.
Bombich (2006), Bombich, Anthony A. and Neeley, Billy D., CMB Report 07-004: Portugues Dam Final Report: Results of Roller-Compacted Concrete Mechanical and Thermal Properties Tests and Tests of Small-Scale Test Panels, Phase II, US Army Corps of Engineers, Engineer Research and Development Center, Vicksburg, MS.
Schrader (2003), Schrader, E.K, and Rizzo, P. C., Extensive Shear Testing for Saluda Dam Roller Compacted Concrete, Roller Compacted Concrete Dams, pp. 1045-1056, Swets and Zeitlinger, Netherlands, Lisse, ISBN, 90 5809 594 9.