EN 14199:2005

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Execution of special geotechnical works - MicropilesExécution de travaux géotechniques spéciaux - MicropieuxAusführung von besonderen geotechnischen Arbeiten (Spezialtiefbau) - Pfähle mit kleinen Durchmessern (Mikropfähle)93.020Zemeljska dela. Izkopavanja. Gradnja temeljev. Dela pod zemljoEarthworks. Excavations. Foundation construction. Underground worksICS:SIST EN 14199:2005enTa slovenski standard je istoveten z:EN 14199:200501-maj-2005SIST EN 14199:2005SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 14199March 2005ICS 93.020English versionExecution of special geotechnical works - MicropilesExécution de travaux géotechniques spéciaux - MicropieuxAusführung von besonderen geotechnischen Arbeiten(Spezialtiefbau) - Pfähle mit kleinen Durchmessern(Mikropfähle)This European Standard was approved by CEN on 27 October 2004.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2005 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 14199:2005: E

Execution methods of micropiles.40 A.1 Drilled micropiles.40 A.2 Displacement micropiles.41 Annex B (informative)
Guidance on geometrical construction tolerances.42 Annex C (informative)
Minimum cover (in mm) for reinforcement and bearing element of low strength steel for cast in place micropiles taking into account exposure classes related to environmental actions as defined in EN 206-1.43 Annex D (informative)
Guidance on corrosion rates.44 Annex E (informative)
Borehole testing and pregrouting.45 Annex F (informative)
Guideline for the preparation of a record for several drilled micropiles.46 Annex G (informative)
Guideline for the preparation of a record for several driven micropiles.47 Bibliography.48

2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 197-1, Cement - Part 1: Composition, specifications and conformity criteria for common cements. EN 206-1:
Concrete - Part 1: Specification, performance, production and conformity. EN 791, Drill rigs – Safety. EN 934-2, Admixtures for concrete, mortar and grout - Part 2: Concrete admixtures - Definitions, requirements, conformity, marking and labelling. EN 996, Piling equipment – Safety requirements. EN 1008, Mixing water for concrete - Specification for sampling, testing and assessing the suitability of water, including water recovered from processes in the concrete industry, as mixing water for concrete EN 1536:1999, Execution of special geotechnical work - Bored piles. EN 1537:1999, Execution of special geotechnical work - Ground anchors. EN 1991-1, Eurocode 1: Basis of design and actions on structures – Part 1: Basis of design. EN 1992-1-1, Eurocode 2: Design of concrete structures - Part 1: General rules and rules for buildings EN 1993-1-1, Eurocode 3: Design of steel structures - Part 1-1: General rules and rules for buildings EN 1993-5, Eurocode 3: Design of steel structures – Part 5: Piling. EN 1994-1-1, Eurocode 4: Design of composite steel and concrete structures - Part 1-1: General rules for buildings. EN 1997-1:2004, Eurocode 7: Geotechnical design – Part 1: General rules. EN 10025, Hot-rolled products of non-alloy structural steels. EN 10080, Steel for the reinforcement of concrete weldable ribbed reinforcing steel B 500 - Technical delivery conditions for bars, coils and welded fabric prEN 10138-4, Prestressing steels - Part 4: Bars.

vision, monitoring and testing. 4.1.3 The information regarding the site conditions shall cover where relevant: a) the geometry of the site (boundary conditions, topography, access, slopes, headroom restrictions .); b) the existing underground structures, underground and arial services, obstructions, known contaminations and archeological constraints; c) the environmental restrictions, including noise, vibration, pollution; d) the future or ongoing construction activities such as dewatering, tunnelling, deep excavations. 4.2 Special features for micropiles: 4.2.1 The following additional site informations shall be made available in the project documentation and be on site before commencement of the micropile works, where applicable:  working platform levels;  location of site datum;  chemical aggressiveness of ground and/or groundwater (= exposure class according to EN 206-1);  climatic conditions;  possibility of stray electric current;  potential instability of the ground;  presence of existing piles, anchors, and/or other artificial obstructions in the ground (as for example wood, steel, etc. …). 4.2.2 The following items shall be investigated during design and shall be made available for execution where relevant:  all necessary or relevant information for the production of the working drawings and method statements, where required;
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