01438 225102        |          info@corehard.com
11
MAY
2017

Using cone penetrometers for compaction quality testing

One of the primary issues relating to reinstatements in the Highway is compaction of bound and unbound materials. Many stakeholders apply use of Clegg Hammers to determine surface modulus and provide conversion to CBR% where required. It is good practice to apply such methods to...
17
JAN
2017

Testing Roman Foundations

Panda penetrometer being used to measure ground resistance below Chester City Walls to determine type and condition of underlying foundation and formation. This was able to provide information up to 5m below test site located at base of removed wall section about to be repaired...
20
SEP
2016

Do you want to see undergound

  Seeing is believing…. It has always been an elusive concept to see what is immediately beneath our feet. As beings that generally inhabit the surface, we rarely consider what a valuable asset the underground offers us going forward into the future. It is no...
04
NOV
2015

Street Works Auditing

Corehard are currently undertaking independent auditing for clients in relation to compliance and conformance issues relating to streetworks and maintenance works in the highway. This has proven invaluable where results and findings are completely unbiased in relation to...
03
SEP
2015

Structural Materials for Reinstatement (SMRs)

Over the past few months we have had many client enquiries relating to clarification on SMR materials. This is mainly driven by the fact that such materials can be used as a combined Binder/Sub-Base replacement in footway reinstatements as specified within current Specification...
18
AUG
2015

UKAS Assessment

Corehard Limited have just completed our UKAS re-assessment audits for all current test procedures and maintenance of laboratory and will retain our status as: UKAS Accredited Laboratory No. 2580 If you would like to view our full accreditation schedule please click on the...
08
JUN
2015

Innovation in reinstatement

Corehard Limited has been assisting in relation to technical support and laboratory testing of a new an innovative way to undertake bituminous reinstatements in the highway. This allows for recycling of binder and/or base materials at source along with production of certain...
07
APR
2015

SPT DCP Comparative testing

           Corehard have been invited to participate in comparative testing with SPT and DCP rigs in relation to output for areas where restricted access may apply. The idea being that high mobility and low resource requirement could assist in providing useful information and...
16
MAR
2015

Penetrometer Testing Patchway Tunnels

Corehard are currently assisting in project to determine ground conditions in area around and above Patchway Rail Tunnels. Tertiary grid locations have been plotted for penetrometer testing on adjacent rail embankments to varying depths which will assist in providing engineers...
13
MAR
2015

NJUG – Affiliate Membership

Corehard Limited have been accepted by National Joint Utilities Group as an affiliate member. Representing utilities and their contractors on street works issues, they are responsible for promoting best practice, self regulation and a two-way relationship with Government and...