. is soil and material testing laboratory and geotechnical consulting firm based on the island of Puerto Rico. The corporation was established in 1967 by Engineers Carlos R. Sierra... materials testing laboratory has been accredited by AASHTO Accreditation Program (AAP) for certain quality standards and various common concrete, aggregates and soil testing standards... motivated and experienced engineers, for your projects' geotechnical and construction material testing needs. [footer.htm] ...

Construction Material Testing About Us | Our Services | Our Staff | Aqua Drilling (Water Well Division) Our Services :: Construction Material Consulting Our construction material... other Welding Coupons Asphalt Marshall test Bituminous material extraction Plastic flow resistance Distribution of aggregates or mix proportions Asphalt layer thickness by coring... structural resistance requirements Others Calibrations on Load Cells, hydraulic jacks and manometers Load test frame adapted to perform tests on any material (i.e. rubber, carbon fiber...

Jaca & Sierra Testing Laboratories About Us | Our Services | Our Staff | Aqua Drilling (Water Well Contractor) Our Services :: Geotechnical Consulting Construction Material...