Self-desiccation and Its Importance in Concrete Technology.

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Self-desiccation and Its Importance in Concrete Technology. / Persson, Bertil.

In: Nordic Concrete Research, Vol. 21, 1998, p. 120-129.

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TY - JOUR

T1 - Self-desiccation and Its Importance in Concrete Technology.

AU - Persson, Bertil

PY - 1998

Y1 - 1998

N2 - Self-desiccation occurs in all types of concrete due to the chemical shrinkage that takes place when water is attached to the cement. In High Performance Concrete the low porosity makes the effect of self-desiccation much more pronounced. This paper presents a summary of a Nordic Seminar on Self-Desiccation in Concrete held in Lund. For this purpose aspects of mix design, curing conditions, desiccation, micro-cracking, self-stresses, shrinkage and frost resistance related to self-desiccation are detailed. Initially a background is given on the principal effects of self-desiccation. This Nordic Seminar took place in Lund on 10 June 1997.

AB - Self-desiccation occurs in all types of concrete due to the chemical shrinkage that takes place when water is attached to the cement. In High Performance Concrete the low porosity makes the effect of self-desiccation much more pronounced. This paper presents a summary of a Nordic Seminar on Self-Desiccation in Concrete held in Lund. For this purpose aspects of mix design, curing conditions, desiccation, micro-cracking, self-stresses, shrinkage and frost resistance related to self-desiccation are detailed. Initially a background is given on the principal effects of self-desiccation. This Nordic Seminar took place in Lund on 10 June 1997.

KW - Frost resistance

KW - Chemical Shrinkage

KW - High Performance Concrete

KW - Hydration

KW - Moisture

KW - Internal relative humidity

KW - Selfstresses.

KW - Self-desiccation

KW - Autogenous shrinkage

M3 - Article

VL - 21

SP - 120

EP - 129

JO - Nordic Concrete Research

JF - Nordic Concrete Research

SN - 0800-6377

ER -