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Astm Standardization News

ASTM Standardization News PDF

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Author: American Society for Testing and Materials
Size: 51.58 MB
Format: PDF, Docs
Category : Standardization
Languages : en
Pages :
View: 7042

Book Description:

Materials And Mix Optimization Procedures For Pcc Pavements

Materials and Mix Optimization Procedures for PCC Pavements PDF

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Author: Scott Schlorholtz
Size: 48.12 MB
Format: PDF, Mobi
Category : Pavements, Concrete
Languages : en
Pages : 93
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Book Description: This research project investigated important variables that impact the homogeneity and rheology of concrete mixtures. The project consisted of a field study and a laboratory study. The field study collected information from six different projects in Iowa. The information that was collected during the field study documented cementitious material properties, plastic concrete properties, and hardened concrete properties. The laboratory study was used to develop baseline mixture variability information for the field study. It also investigated plastic concrete properties using various new devices to evaluate rheology and mixing efficiency. In addition, the lab study evaluated a strategy for the optimization of mortar and concrete mixtures containing supplementary cementitious materials.

Improving Concrete Quality

Improving Concrete Quality PDF

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Author: Karthikeyan H Obla
Publisher: CRC Press
ISBN: 1466592133
Size: 12.71 MB
Format: PDF, Mobi
Category : Technology & Engineering
Languages : en
Pages : 214
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Book Description: Improve the Quality of Concrete, Improve the Quality of Construction Quality measurement is not prevalent in the concrete industry and quality investment is not seen as potentially generating a positive return. Improving Concrete Quality examines how and why concrete quality should be measured, and includes instruction on developing specifications with the aim of improving concrete quality. Reduce Concrete Variability: Reduce Costs and Increase Volume The first part of the book considers the tangible and intangible benefits of improved quality. The later chapters explore concrete strength variability in detail. It provides a greater grasp of the variation in concrete, as well as a deeper understanding of how material variability affects concrete performance. The author discusses the components of variability (material, manufacturing, testing) and provides steps to measuring and reducing variability to improve the quality of concrete. The text also contains a chapter on data analysis for quality monitoring and test results. Come Away with Practices and Tools That Can Be Applied Immediately: Provides techniques and how specifications can improve concrete quality Offers a clear understanding of the link between the materials (cement, SCM, aggregate, water, air), manufacturing, testing variability, and concrete quality Includes information on analyzing test data to improve quality Improving Concrete Quality quantifies the benefits of improved quality, and introduces novel ways of measuring concrete quality. This text is an ideal resource for quality personnel in the concrete industry. It also benefits architects, engineers, contractors, and researchers.