Description
The requirements for cold weather concreting have not changed. The concrete needs to develop strength to resist the effects of water freezing in the concrete (early protection) as well as to develop the required structural capacity. There are differences in protection methods for concrete elements that carry construction loads (columns, beams, and other structural members) and for those that do not (pavements, floors).
The materials, however, have changed dramatically, and that will continue to be the case. As such, the guidance found in the ACI documents needs to be understood as to their applicability to modern materials.
Table of Contents
Learning Objectives:
1. Describe the engineering principles behind the provisions in the ACI documents.
2. Apply the requirements of ACI documents to develop cold weather plans to provide the required level of protection of concrete construction at the time of placement and as strength development is required.
3. Apply the maturity concept to the monitoring and management of cold weather concreting operations and incorporate these measurements into management plans using predictive modeling.
4. Critically examine the impact of sustainability and energy use on concrete operations and construction in cold weather.
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