BS 8081:1989 Code of practice for ground anchorages

BS 8081:2015 Code of practice for grouted anchors

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[*]Author(s): Technical Committee B/526, Geotechnics
[*]Published By: BSI
[*]Published Year: August 2015
[*]Size: 4.86 MB
[*]Quality: Original preprint

[*]Abstract: 1.1 This British Standard, as a code of practice, gives recommendations for
the design, construction, stressing, testing, monitoring and maintenance of grouted anchors as defined in BS EN 1997-1:2004+A1:2013, BS EN 1537:2013 and BS EN ISO 22477-5.
1.2 Further general recommendations for corrosion hazards and protective measures, construction techniques and quality controls, stressing procedures, and the testing of grouted anchor components and complete installations
are provided. Information supporting the practical implementation of these recommendations are provided in annexes to this code of practice.
1.3 Annex A provides examples of records that are developed during the execution and testing of grouted anchors.
1.4 Annex B provides information on the design of a fixed anchor length with respect to the bond or shear resistance at:
a) the ground/grout interface;
b) the grout/encapsulation interface;
c) the grout/tendon interface.
1.5 Annex C provides information on the pre-grouting and post-grouting of ground where necessary.
1.6 Annex D provides information on the use of appropriate Young’s modulus for the steel used in the design of the anchor tendon.
1.7 Annex E provides information on the types of corrosion that affect the steel elements of an anchor and the influence on the corrosion of the tendon of the ground and groundwater in which the anchor is installed.
1.8 Annex F provides information on the types of corrosion protection available for use in the fabrication and installation of the anchor.
1.9 Annex G provides recommendations on the testing of anchors at all stages of construction.
1.10 Annex H provides information on monitoring anchors in the long term, including appropriate acceptance criteria and remedial measures that can be applied in the event of non-compliance with the acceptance criteria.
1.11 Annex I draws attention to the statutory regulations affecting the safety, welfare and health of persons in the execution of anchor construction.
1.12 This code of practice is for the use of clients who commission the use of grouted anchors, ground engineering contractors, and geotechnical and structural designers.

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