Overview
This course will briefly discuss the challenges of placing concrete in hot, dry, and windy weather. The placement of durable, quality concrete is a task that requires experience and a commitment to quality. Hot weather imposes additional obstacles that must be understood and addressed. Once the negative impact of hot weather on concrete is understood, procedures can be implemented to neutralize the effect of these difficult conditions. The discussion in this course will focus on the problems caused by hot weather, the preparation necessary for a successful placement, the placement procedures, and the different types of curing methods that can be used successfully.
This course is useful to architects, engineers, Quality Control personnel, Government Quality Assurance representatives, representatives of the owner and other parties interested in the placement of quality concrete.
The student must take a multiple-choice quiz consisting of ten (10) questions at the end of this course to earn PDH credits.
Specific Knowledge or Skill Obtained
This course teaches the following specific knowledge and skills:
- Effect of hot weather on concrete
- Preparation for placement of concrete in hot weather and placement procedures to ensure quality concrete
- Types of curing methods and their strengths and weaknesses
Course
Click on the following link to the PDF document to review the course material before taking the quiz for credit.
Placement of Concrete in Hot Weather
Click on the link below to access Figure 13-8* "Effect of concrete and air temperatures, relative humidity, and wind velocity on rate of evaporation of surface moisture from concrete" from the publication Design and Control of Concrete Mixtures, 14th Edition published by the Portland Cement Association. This figure is referenced in the course text. Figure 13-8 may be accessed and viewed on your computer screen, but security settings within the file prevent editing or printing of the file.
*Copyright, 2002, Portland Concrete Association ALL RIGHTS RESERVED. Design and Control of Concrete Mixtures, 14th Edition is a copyrighted work owned by the Portland Concrete Association. Without advance written permission from the copyright owner, no part of this book may be reproduced, distributed, or transmitted in any form or by any means, including, without limitation, electronic, optical or mechanical means (by way of example, and not limitation, photocopying, or recording by or in an information storage retrieval system). For information on permission to copy material exceeding fair use, please contact the Portland Concrete Association.
Figure 13-8 from the Design and Control of Concrete Mixtures, 14th Edition is reproduced and made available on this website by permission of the Portland Concrete Association.
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