Statistical Models Supporting the High-Performance Self-Compacting Concrete (HPSCC) Design Process for High Strength.

Aleksandra Kostrzanowska-Siedlarz,Jacek Gołaszewski

doi:10.3390/ma15020690

Aleksandra Kostrzanowska-Siedlarz, Jacek Gołaszewski

Open Access

https://doi.org/10.3390/ma15020690

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Abstract

The type of test ingredients used for obtaining self-compacting high-performance concrete (HPSCC) has been carefully selected to be universal. For this purpose, an extensive statistical analysis of the obtained results of the literature research was carried out. Then, universal and adapted to the typical range, highly fit statistical models are presented that can support the HPSCC design process for achieving high strength. For this purpose, a broad plan of statistical research was used, namely multivariate selection of sidereal points, which allowed the use of as many as five variable factors at three levels of variability. The sidereal points were equal to the respective minimum and maximum input values. Additionally, based on the analysis of variance (ANOVA) for factorial systems with the interaction of the obtained test results, the significance of the impact of the tested material factors on the compressive strength of the HPSCC tested was determined.

Highlights

Supporting the High-PerformanceHigh-performance self-compacting concrete (HPSCC) combines the features of a mixture of self-compacting concrete (SCC) and hardened high-performance concrete (HPC).HPC technology was initially created at the turn of the 1970s
High-PerformanceHigh-performance self-compacting concrete (HPSCC) is a cement-aggregate composite that is designed for obtaining compressive strength greater than 60 MPa whose components are selected for the specific properties of the concrete mix
The analysis showed that the median maximum aggregate grain size in the HPSCC composition is 16 mm, and the median amount of coarse aggregate is 907 kg/m3

Summary

Introduction

Supporting the High-PerformanceHigh-performance self-compacting concrete (HPSCC) combines the features of a mixture of self-compacting concrete (SCC) and hardened high-performance concrete (HPC).HPC technology was initially created at the turn of the 1970s. HPSCC is a cement-aggregate composite that is designed for obtaining compressive strength greater than 60 MPa whose components are selected for the specific properties of the concrete mix. These properties should ensure the ability of the mix to tightly fill the space between the reinforcement and the space inside the formwork under the influence of its own weight without the need for mechanical compaction [12,13,14,15,16,17,18,19,20].

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