Hixtra Ltd 
Construction & Geotechnical Testing 
 
Abrasion 
 
Aggregate 
 
Backfill 
 
CBR Plate Testing 
 
CBR testing 
(On-site plunger method) 
 
CBR, Laboratory 
 
Chalk 
 
Compaction Testing and Monitoring 
 
Constituent Particles 
 
Construction Materials Testing 
 
Crane Hardstanding 
 
Density and Compaction On-Site 
 
Core Drilling 
 
Dynamic Cone Penetrometer (DCP) 
 
Earthworks 
 
Frost Heave 
 
Geotechnical 
 
Lightweight Deflectometer (LWD) 
 
Moisture Condition Value (MCV) 
 
Moisture Content 
 
Non-Nuclear Earthworks Density Testing 
 
Particle Density 
 
Particle Size (grading) 
 
Pile Mats 
 
Plasticity Index 
 
Pulverisation 
 
Sampling 
 
Scaffold Testing 
 
Shear Strength 
 
Site Investigation 
 
Site Laboratories 
 
Soil 
 
Soundness 
 
Stabilised Soils 
 
Swelling and Soaking 
 
Type 1 Subbase