Table of Contents May 1998

Causes of crazing in architectural precast

What causes crazing on architectural precast products? Does it affect structural integrity, or is it just an aesthetic problem? How do you minimize it without sacrificing the 5000-psi compressive strength usually specified for architectural precast products?

Procedure for redosing with superplasticizers

Should you add water when redosing superplasticizers? How much additional mixing is needed after redosing?

Nozzle device for cleaning truck mixer fins

Is there an easier way to clean fresh concrete off truck mixer fins during washout? With the normal spray nozzle, it's hard to reach the underside of mixer-fin surfaces.

Opening the Windows of Productivity

Curing Concrete, Not Baking Cakes

A Steady Job

Partnering in Safety

Innovations Augment Precast's Advantages in the UK

No Minus Tolerance on Yield

Quick-Dry Concrete: A New Market for Ready-Mix Producers

Sticking Your Image in Public