Cumberland Geoscience Consultants Laboratory Testing
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19th Year of Excellence (1990-2008)
ASFE Peer Reviewed 2002


PhotoPhotoOur in-house laboratory soils, concrete and geosynthetics testing capabilities are summarized on the test schedules accessible from the links below. We maintain current ASTM test procedures for tests conducted by our firm, and stay abreast of changes in methods along with new procedures through our membership in the American Society for Testing and Materials (ASTM). We are voting members of ASTM Subcommittee D35 responsible for the generation of testing standards related to geosynthetics. Our laboratory equipment is modern, calibrated at regular intervals and in general conformance with ASTM standards. Laboratory test results are issued in concise computer generated formats and graphics with supplemental data acquisition reports available upon request. Our soils and geosynthetics laboratory managers have a combined 42 years of experience and are in turn supervised by a Registered Professional Engineer.

Direct Shear and Concrete GraphsWe participate in the work of ASTM Subcommittee D35 which is developing standard test methods for geosynthetics testing including research efforts and round robin testing in this regard. Large scale interface direct shear testing (12" x 12" box) of soil/geosynthetic and geosynthetic/geosynthetic interfaces at normal pressures ranging from 1 to 100 p.s.i. are a particular specialty using in-house designed equipment conforming to ASTM standards. We are one of a select few laboratories in the United States and Canada equipped to perform this test, and have participated in a voluntary round robin testing effort for ASTM to develop a precision and bias criteria for this particular procedure (ASTM D5321).

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Grain Size and Proctor GraphsOur soils and concrete laboratory testing capabilities have been approved and previously certified by the U.S. Army Corps of Engineers, and are currently approved by AASHTO. We also participate in the AASHTO Materials Reference Laboratory Proficiency Sample Program for soils testing. We are considering an application for certification of our geosynthetics laboratory through the Geosynthetics Accreditation Institute (GAI), a division of the Geosynthetic Research Institute (GRI) at Drexel University in Philadelphia, PA.
 
Soils, Rock and Concrete Laboratory Test Schedule
Geosynthetics Laboratory Test Schedule

Interface Direct Shear Graphs

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Copyright © Cumberland Geoscience Consultants
801 Belvedere Street - Carlisle, PA 17013-4002
Phone: (717) 245-9100 - Fax: (717) 245-9656 - www.cumberlandgeo.com


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