Concrete Lab
PJC & Associates, Inc. has a materials testing laboratory where we perform multiple ASTM tests for soils, concrete, grout, shotcrete and mortar. Our materials testing division provides full-scope soils and materials testing and special inspection services utilizing our certified/accredited/licensed laboratory facilities and personnel. Laboratory testing equipment is calibrated annually by representatives utilizing equipment traceable to the National Institute of Standards and Technology.
PJC & Associaties, Inc. Lab Certifications
∙ LAB: AASHTO, CCRL
∙ Welding: AWS Certified
∙ Concrete: ACI
∙ Concrete & Structural: ICC
Listed below are tests we perform.
Classification & Index Test
- Moisture Content ASTM D-2216
- Moisture & Density ASTM-2937 2.0-2.5″ dia
- Moisture & Density 3.0″ dia
- Liquid & Plastic Limits “PI” ASTM D-4318
- Shrinkage Limit
- Particle-Size Analysis ASTM D-422
- Specific Gravity ASTM D-854
- Specific Gravity +#4 sieve fraction ASTM C-127
- Organic Content ASTM D-2974
- Total Porosity
- Pinhole ASTM D-4647 Method B
Strength Tests
- Unconfined Compression ASTM D-22166
- Soil Cement ASTM D-1633
- Direct Shear ASTM D-3080
- Torsional Ring Shear, Per Point ASTM D-6467
- Triaxial Shear, Per Point
Moisture Density Relations
- Modified Proctor Compaction ASTM D-1698
- Modfied Proctor Compaction “Curve” ASTM D-1557
- Curve Check Point
- Cal-Impact California 216
Volume Change Tests
- Consolidation ASTM D-2435
- Readings for Curve
- Constant Rate of Strain ASTM D-4186
- Expansion ASTM D-3877 Modified
- Air-dried Prior to Test, Added
- Percent Collapse ASTM D-5333
- Expansion Index “El” ASTM D4829
Permeability Hydraulic Conductivity
- Constant Head, Rigid Wall
- Triaxial w/back Pressure Sat.
- Compatibility of Long Term Permeability
Other Tests
- CR-Valve-Caltrans 301
- Sand Equivalent Caltrans 217
- Durability Index Caltrans 229
- Caltrans Class II AB Spec Tests
- Concrete Compression, 4 Cylinders
- Grout Testing, 2 Prisms