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Recommendation of RILEM TC 236-BBM: characterisation testing of hemp shiv to determine the initial water content, water absorption, dry density, particle size distribution and thermal conductivity, April 2017
Recommendation of RILEM TC 212-ACD : acoustic emission and related NDE techniques for crack detection and damage evaluation in concrete / Test method for damage qualification of reinforced concrete beams by acoustic emission
Recommendation of RILEM TC 212-ACD : acoustic emission and related NDE techniques for crack detection and damage evaluation in concrete / Test method for classification of active cracks in concrete structures by acoustic emission
Update of the recommendation of RILEM TC 189-NEC ‘Non-destructive evaluation of the concrete cover’ « Comparative test - part I – Comparative test of penetrability methods », Materials & Structures, v38, Dec 2005, pp.895-906
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Recommendations of RILEM TC 178-TMC: 'Testing and modelling chloride penetration in concrete' Analysis of total chloride content in concrete
Title: Recommendations of RILEM TC 178-TMC: 'Testing and modelling chloride penetration in concrete'
Analysis of total chloride content in concrete
Author(s): RILEM TC 178-TMC
Paper category : journal
Serial title: Materials and Structures
Abreviated Serial title: Mater. Struct.
Publisher: RILEM Publications SARL
Issue date: 2002-11-01
Publication year: 2002
Pages: 583 - 585
Total Pages: 3
Nb references: 8
Reinforcing steel bars embedded in concrete depassi-
vate when a certain amount of chlorides is built up in
their surrounding,being the risk for reinforcement corro-
sion related to the chloride content in the concrete.
Therefore,reliable chloride analysis in hardened concrete
becomes a key parameter in the evaluation of existing
structures and in the prediction of future service life.
The present recommendation is the result of a
Round-Robin Test on chloride analysis in concrete,car-
ried out by the Technical Committee TC 178-TMC.A
total of 30 laboratories around the world have partici-
pated in this RRT and 64 different analyses on triplicate
specimens for three different chloride contents have
been carried out.The procedure for the analysis of total
chloride has been divided in two steps:extraction and
quantification ,being able to discriminate the reliability of
the procedure followed in each of them.Two different
methods of extraction of total chloride from the solid
sample as well as six different forms of analysing the
resulting liquids have been tested.It was also decided
that other methods could also be used to the choice of
each laboratory.The complete recipes and results
including the statistical analysis can be found in [1 ].
Other round-robin tests can be found in [2,3 ],being
presently one the largest ever performed.
As a final result,the method considered to be the
most suitable reference for total chlorides (extraction and
quantification)is the Volhard method [4-7 ],which is
that described in this recommendation.The ASTM ref-
erence method for analysis of total chlorides can be
found in [8 ].
Online publication: 2002-09-27
Classification: RILEM Technical Committees
Publication type : full_text
Public price (Euros): 0.00
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