Sampling from a mixer/truck agitator- Where is sample taken? - Between 10% and 90% (Not
when testing with Super P)
How is a sample taken when sampling plastic concrete? - Either pass a receptacle completely
through a discharge stream OR divert a discharge stream completely into a sampling contai...
CCIL Exam Study Guide
Sampling from a mixer/truck agitator- Where is sample taken? - ✔✔Between 10% and 90% (Not
when testing with Super P)
How is a sample taken when sampling plastic concrete? - ✔✔Either pass a receptacle completely
through a discharge stream OR divert a discharge stream completely into a sampling container.
How many grab samples are needed when testing for uniformity of samples? - ✔✔3
What size sample is needed when casting 3 100mm x 200mm cylinders? - ✔✔Minimum 20L
What size sample is needed when casting 150mm x 300mm cylinders? - ✔✔Minimum 30L
What size sample is needed when casting 150mm x 150mm x 535mm beams? - ✔✔Minimum
55L
How much extra sample is needed when more than 3 cylinders/specimens are to be cast? -
✔✔Volume of the cylinders/specimens plus 10% extra
How much time is allowed for obtaining, transporting and remixing the sample? - ✔✔10 minutes
, A sample contains aggregate larger than that appropriate for the size of the moulds or equipment.
- ✔✔It must be wet-sieved prior to testing
Information required on reports - ✔✔Conc mix no, Sample source, Batch time/date, Sample
time/date, Project site, Sample location if different, Location of conc in structure, Technician
name, Lab name/address, Signature of test report reviewer, Any deviation from test procedures
Air Content - ✔✔The volume of air voids of plastic concrete, exclusive of pore space in
aggregate particles, determined through observations of the change of air volume in concrete
with a change in pressure.
Slump - ✔✔A measure of consistency of freshly mixed hydraulic cement concrete, equal to the
subsidence, measured to the next 5mm, of the moulded substance immediately after the removal
of the slump cone
Slump Flow - ✔✔The horizontal spread of concrete immediately upon removal of the slump
cone as a measure of the unconfined fluidity of concrete giving a relative degree of indication of
the degree to which concrete can travel
How many water-to-cementing materials ratios are needed for concrete trial mixes? - ✔✔3
What temperature is considered stable before mixing concrete? - ✔✔23 C +/- 2 C
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Preach. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.49. You're not tied to anything after your purchase.