Concrete Technology – Best Practice with Tony Binns

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Course duration: 1 Day

Cost: £295 + VAT

Overview

A one-day course for construction managers, site supervisors and technicians in the control of concrete on site.

Course Outline

Fresh concrete

Consistence requirements: Getting the right slump and getting the slump right

Checking cohesion: Problems of segregation, honeycombing, bleeding and reinforcement ripple

Concrete schedules: Strength, water/cement ratio, minimum cement content and slump

Concrete strength: The meaning of C40/50 etc

Durability and how it is achieved: Resistance to cracking, abrasion, freezing

Placing and compacting concrete on site: The myth of over-vibration

Correct use of poker vibrators and beam vibrators

Curing: What it means and why it matters

Accepting readymix on site
– What to watch for: slump, uniformity, appearance
– What not to sign for: time limitations, adding water to concrete on site

Sampling and testing fresh concrete
– Slump test, cube making, storing and curing cubes
– What to do when the cubes fail

Action plan

Questions, answers and discussion

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