THE GREAT PYRAMID OF GIZA, EGYPT
In order to establish the ‘natural’ origin of pyramid stones, CMC provided detailed petrographic examinations of casing stones from the Great Pyramid of Giza. See our publication “The Great Pyramid Debate.”
U.S. CAPITAL TUNNELS
Most people may not realize, there is an extensive network of tunnels under the U.S. Capital. Some of these tunnels provide pathways for government workers to move safely between buildings, some are for utilities, and some we, the public, don’t know the purpose. CMC provided petrographic examinations of concrete from several of these tunnels. In fact our logo was created using an image of a lapped cross section of a core taken from one of these tunnels.
U.S. NAVAL ACADEMY
The U.S. Naval Academy has an extensive campus in Annapolis, Maryland. CMC has provided laboratory services for a number of the buildings on campus over the years, including petrographic examinations of concretes and mortar.
THROGS NECK BRIDGE
(BRONX-QUEENS, NEW YORK)
The Throgs Neck Bridge is a suspension bridge that carries I-295 over the East River. CMC provided petrographic examinations and chloride content analyses of concretes during 2016-2017 restoration.
CEDAR POINT ROAD BRIDGE
(NORTH OLMSTED, OHIO)
The Cedar Point Road Bridge was reportedly constructed circa 1929, and rehabilitated in 1975. CMC provided petrographic examinations of concrete from the substructure during 2017 restoration.
WALDORF ASTORIA HOTEL
(NEW YORK, NEW YORK)
CMC provided petrographic examinations interior concretes to determine quality before the new renovations began.
THE NEW NY BRIDGE
(REPLACING THE TAPPAN ZEE BRIDGE, NEW YORK)
CMC provided air-void analyses of concrete cylinders cast during the construction of the new bridge. As of this posting, construction is still ongoing.
ABRAHAM LINCOLN BIRTHPLACE
CMC provided petrographic examinations of concrete cores from the staircase leading to the Memorial Building.
WESTGATE MYRTLE BEACH RESORT
(MYRTLE BEACH, SOUTH CAROLINA)
CMC provided petrographic examinations of concrete cores to check concrete quality before continuing construction.
ONE IRVING PLACE
(NEW YORK, NEW YORK)
CMC provided petrographic examinations of precast concrete window sills.
HONDA MANUFACTURING OF INDIANA
CMC provided petrographic examinations of roller-compacted concrete pavement.
CMC provided petrographic examinations of concrete cores from an interior slab to determine quality prior to re-purposing.
MANHATTAN PSYCHIATRIC CENTER
(WARD’S ISLAND, NEW YORK)
CMC provided hardened air-void analysis of concrete (ASTM C 457) for durability purposes.
BEAR CREEK COMMUNITY CHARTER SCHOOL (BEAR CREEK TOWNSHIP, PENNSYLVANIA)
CMC provided petrographic examinations of concrete cores from the exterior sidewalks.
LAKE KANNAPOLIS SPILLWAY
(KANNAPOLIS, NORTH CAROLINA)
CMC provided petrographic examinations of concrete cores to evaluate the concrete quality and surface distress.
CORSICANA HIGH SCHOOL
CMC provided petrographic examinations of VCT flooring and concrete subbase.
FIRST CONGREGATIONAL UNITED CHURCH OF CHRIST
CMC provided petrographic examinations of concrete samples to determine the extent of fire damage after the church caught fire in May of 2016.
HORSE MESA DAM (MARICOPA COUNTY, ARIZONA)
The Horse Mesa Dam is a concrete thin arch dam located in the Superstition Mountains, northeast of Phoenix in Maricopa County, Arizona. The dam is 660 feet (200 m) long, 300 feet (91 m) high and was built between 1924-27. The dam and associated infrastructure were listed on the National Register of Historic Places in 2017. CMC provided petrographic examinations of concrete and grout to determine the reasons for cracking.
ISLETA MARINA CONDOMINIUM
(FAJARDO, PUERTO RICO)
CMC provided petrographic examination of concrete from the seawall for determination of quality and future serviceability.
TONDGOOYAN PETROCHEMICAL PLANT (MAHSHAR, IRAN)
CMC provided detailed petrographic examinations of concrete cores from an industrial waste tank for evaluation of concrete quality after service in a corrosive environment.