BS 6089:Guide to assessment of concrete strength in existing structures

ir_71 · (This post was last modified: 02-14-2022, 05:37 AM by Administrator.)

BS 6089:1981 Guide to assessment of concrete strength in existing structures

Guidance on planning and conducting investigations including a description of test methods and interpretation of results. Ilustrates the relationship between strength of standard test specimens and that in a structure.

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andersen3 · (This post was last modified: 11-07-2012, 05:40 AM by andersen3.)

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ir_71 · 11-07-2012, 05:40 AM

BS 6089 - new links:

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andersen3 · 07-21-2014, 10:43 AM

new links

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ir_71 · 03-24-2015, 06:01 PM

BS 6089:2010 Assessment of in-situ compressive strength in structures and precast concrete components – Complementary guidance to that given in BS EN 13791

This British Standard complements BS EN 13791, which gives methods for determining the characteristic in-situ compressive strength in concrete structures and precast concrete components based on:
a) core testing;
b) rebound hammer, ultrasonic pulse velocity and pull-out force measurements after a relationship with core strength has been determined for the particular concrete under investigation.
This British Standard provides additional guidance on:
• planning an investigation (see Clause 5);
• selection of test methods (see 5.4);
• selection of the test locations (see 5.5 and 5.6);
• assessment of individual core results within a group (see 6.1);
• assessment where the strength of concrete based on test specimens is in doubt (see Clause 7).
In addition, this British Standard provides guidance on the following cases not covered by BS EN 13791:
• assessment of an unknown structure using a margin based on the t-statistic (see 6.2);
• use of indirect methods without correlation to core strength (see 6.3);
• relative testing, i.e. comparison of a volume of concrete under investigation with concrete in similar elements that has been accepted (see 6.4);
• action when the producer has declared nonconformity (see Clause 8).
This British Standard does not provide guidance on:
• the use of cores with a diameter of less than 50 mm or the use of microcores;
• whether a structure has adequate durability;
• the use of in-situ testing as an alternative to conformity testing based on test specimens.

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concreteok · 03-31-2016, 05:41 AM

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ir_71 · 04-01-2016, 12:41 PM

BS 6089:2010 Assessment of in-situ compressive strength in structures and precast concrete components – Complementary guidance to that given in BS EN 13791

[Image: 48959414210973203515.jpg]

[*]Author(s): Technical Committee B/517, Concrete
[*]Published By: BSI
[*]Published Year: 2010
[*]Size: 2.09 MB
[*]Quality: Original preprint
[*]Abstract: This British Standard complements BS EN 13791, which gives methods for determining the characteristic in-situ compressive strength in concrete structures and precast concrete components based on:
a) core testing;
b) rebound hammer, ultrasonic pulse velocity and pull-out force measurements after a relationship with core strength has been determined for the particular concrete under investigation.
This British Standard provides additional guidance on:
• planning an investigation (see Clause 5);
• selection of test methods (see 5.4);
• selection of the test locations (see 5.5 and 5.6);
• assessment of individual core results within a group (see 6.1);
• assessment where the strength of concrete based on test specimens is in doubt (see Clause 7).
In addition, this British Standard provides guidance on the following cases not covered by BS EN 13791:
• assessment of an unknown structure using a margin based on the t-statistic (see 6.2);
• use of indirect methods without correlation to core strength (see 6.3);
• relative testing, i.e. comparison of a volume of concrete under investigation with concrete in similar elements that has been accepted (see 6.4);
• action when the producer has declared nonconformity (see Clause 8).
This British Standard does not provide guidance on:
• the use of cores with a diameter of less than 50 mm or the use of microcores;
• whether a structure has adequate durability;
• the use of in-situ testing as an alternative to conformity testing based on test specimens.

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ir_71 · 12-25-2016, 06:52 AM

BS 6089:2010 Assessment of in-situ compressive strength in structures and precast concrete components – Complementary guidance to that given in BS EN 13791

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**poolmand** · 02-14-2022, 05:40 AM

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