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    DIN EN 1536-2015 Execution of special geotechnical work - Bored piles German version EN 1536 2010+A1 2015《特殊土工工作的实施 螺旋钻孔桩 德文版本EN 1536-2010+A1-2015》.pdf

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    DIN EN 1536-2015 Execution of special geotechnical work - Bored piles German version EN 1536 2010+A1 2015《特殊土工工作的实施 螺旋钻孔桩 德文版本EN 1536-2010+A1-2015》.pdf

    1、October 2015 Translation by DIN-Sprachendienst.English price group 27No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).IC

    2、S 93.020!%Fm“2357458www.din.deDIN EN 1536Execution of special geotechnical work Bored piles;English version EN 1536:2010+A1:2015,English translation of DIN EN 1536:2015-10Ausfhrung von Arbeiten im Spezialtiefbau Bohrpfhle;Englische Fassung EN 1536:2010+A1:2015,Englische bersetzung von DIN EN 1536:20

    3、15-10Excution des traveaux gotechniques spciaux Pieux fors;Version anglaise EN 1536:2010+A1:2015,Traduction anglaise de DIN EN 1536:2015-10SupersedesDIN EN 1536:201012www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.DDocument comprises 84 pages 09.15DIN EN

    4、 1536:2015-10 2 A comma is used as the decimal marker. National foreword This document (EN 1536:2010+A1:2015) has been prepared by Technical Committee CEN/TC 288 “Execution of special geotechnical works” (Secretariat: AFNOR, France). The responsible German body involved in its preparation was the DI

    5、N-Normenausschuss Bauwesen (DIN Standards Committee Building and Civil Engineering), Working Committee NA 005-05-07 AA Baugrund; Pfhle (SpA zu CEN/TC 288 sowie CEN/TC 341/WG 4 und 7). Amendments This standard differs from DIN EN 1536:2010-12 as follows: a) Amendment A1:2015 has been incorporated; b)

    6、 the standard has been editorially revised; c) the German translation has been revised in parts. Previous editions DIN 4014: 1960-12, 1969-11, 1990-03 DIN 4014-1: 1975-08 DIN 4014-2: 1977-09 DIN EN 1536: 1999-06, 2010-12 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1536:2010+A1 June 2015 ICS

    7、 93.020 Supersedes EN 1536:2010English Version Execution of special geotechnical work - Bored piles Excution des travaux gotechniques spciaux - Pieux fors Ausfhrung von Arbeiten im Spezialtiefbau - Bohrpfhle This European Standard was approved by CEN on 2 July 2010 and includes Amendment 1 approved

    8、by CEN on 17 April 2015. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national stand

    9、ards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and no

    10、tified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary,

    11、Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC M

    12、anagement Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1536:2010+A1:2015 EEN 1536:2010+A1:2015 (E) 2 Contents Page Foreword 4 1 Scope 5 2 Normative references . 10 3 Terms and defin

    13、itions 11 4 Information needed for the execution of the work 16 4.1 General . 16 4.2 Special features 17 5 Geotechnical investigation 18 5.1 General . 18 5.2 Specific requirements 18 6 Materials and products 19 6.1 Constituents 19 6.1.1 General . 19 6.1.2 Bentonite . 19 6.1.3 Polymers 20 6.1.4 Cemen

    14、t . 20 6.1.5 Aggregates 20 6.1.6 Water 20 6.1.7 Additions . 20 6.1.8 Admixtures 20 6.2 Support fluids 20 6.2.1 Bentonite suspensions 20 6.2.2 Polymer solutions . 22 6.3 Concrete 22 6.3.1 General . 22 6.3.2 Aggregates 23 6.3.3 Cement contents . 23 6.3.4 Water/cement ratio 23 6.3.5 Admixtures 23 6.3.6

    15、 Fresh concrete 23 6.3.7 Sampling and testing on site . 24 6.4 Grout 24 6.5 Reinforcement . 25 6.6 Additional inserted products . 25 7 Considerations related to design 25 7.1 General . 25 7.2 Piles forming a wall 26 7.3 Excavation . 27 7.4 Precast concrete elements 27 7.5 Reinforcement . 27 7.5.1 Ge

    16、neral . 27 7.5.2 Longitudinal reinforcement . 28 7.5.3 Transverse reinforcement 28 7.6 Steel tubes and profile elements . 29 7.7 Minimum and nominal cover . 29 8 Execution . 30 8.1 Construction tolerances 30 DINEN 1536:2015-10EN 1536:2010+A1:2015 (E) 3 8.1.1 Geometrical tolerances . 30 8.1.2 Install

    17、ation tolerances for reinforcement cage 31 8.1.3 Tolerances for trimming . 32 8.2 Excavation 32 8.2.1 General . 32 8.2.2 Methods and tools . 34 8.2.3 Excavations supported by casings . 34 8.2.4 Excavations supported by fluids . 36 8.2.5 Boring with continuous flight augers 36 8.2.6 Unsupported excav

    18、ation. 37 8.2.7 Enlargements . 38 8.3 Reinforcement . 38 8.3.1 General . 38 8.3.2 Joints 38 8.3.3 Bending of reinforcement . 38 8.3.4 Assembly of cages 39 8.3.5 Spacers . 39 8.3.6 Installation 40 8.4 Concreting and trimming 40 8.4.1 General . 40 8.4.2 Concreting in dry conditions . 41 8.4.3 Concreti

    19、ng in submerged conditions 42 8.4.4 Extraction of casings 43 8.4.5 Permanent casings or linings 44 8.4.6 Concreting of continuous flight auger piles . 44 8.4.7 Prepacked piles . 45 8.4.8 Loss of immersion of tremie pipe or casing . 45 8.4.9 Precast concrete elements and steel tubes or profiles . 46

    20、8.4.10 External grouting of bored piles 46 8.4.11 Trimming 47 8.5 Pile walls 47 9 Supervision, testing and monitoring . 48 9.1 Construction controls . 48 9.2 Bored pile testing 49 9.2.1 General . 49 9.2.2 Pile load tests 49 9.2.3 Integrity tests . 50 10 Records 50 11 Special Requirements . 53 Annex

    21、A (informative) Glossary 55 Annex B (informative) Examples for details and frequencies for monitoring and testing 64 Annex C (informative) Sample records . 69 Annex D (informative) Obligation of the provisions 76 Bibliography 82 DIN EN 1536:2015-10 EN 1536:2010+A1:2015 (E) 4 Foreword This document (

    22、EN 1536:2010+A1:2015) has been prepared by Technical Committee CEN/TC 288 “Execution of special geotechnical works”, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at th

    23、e latest by December 2015, and conflicting national standards shall be withdrawn at the latest by December 2015. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any

    24、or all such patent rights. This document supersedes !EN 1536:2010“. This document includes Amendment 1 approved by CEN on 2015-04-17. The start and finish of text introduced or altered by amendment is indicated in the text by tags !“. The general scope of TC 288 is the standardisation of the executi

    25、on procedures for geotechnical works (including testing and control methods) and of the required material properties. WG15 has been charged to revise EN 1536:1999, with the subject area of bored piles, including barrettes, but not “micro piles“ of diameter less than 0,3 m. The design, planning and e

    26、xecution of bored piles call for experience and knowledge in this specialised field. The execution phase requires skilled and qualified personnel and the present standard cannot replace the expertise of specialist contractor. The document has been prepared to complement EN 1997-1, Eurocode 7: Geotec

    27、hnical design Part 1: General rules and EN 1997-2, Eurocode 7 Geotechnical design Part 2: Ground investigation and testing. Clause 7 “Considerations related to design“ of this European Standard expands on design only where necessary (e.g. the detailing of reinforcement), but provides full coverage o

    28、f the construction and supervision requirements. !The amendment became necessary to accord the Standard EN 1536:2010 with EN 206:2013, Concrete Specification, performance, production and conformity. EN 206:2013 has been revised to contain also the specific requirements for concrete for applications

    29、for special geotechnical works, making redundant respective provisions in EN 1536 (e.g. 6.1, 6.3 and 8.8). Full according with EN 13670, Execution of concrete structures is however still pending. EN 1536:2010+A1:2015 therefore still contains specific requirements for bored piles as a concrete struct

    30、ure, such as the detailing of the reinforcement, the concrete placement and the supervision of concreting process which are complementing the provisions of EN 13670. In addition, some editorial corrections were made in this amended Standard.“ According to the CEN-CENELEC Internal Regulations, the na

    31、tional standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, L

    32、ithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 1536:2015-10 EN 1536:2010+A1:2015 (E) 5 1 Scope 1.1 This European Standard establishes general principles for the execution of bored pile

    33、s (see 3.2). NOTE 1 This standard covers piles or barrettes which are formed in the ground by excavation and are structural members used to transfer actions and/or limit deformations. NOTE 2 This standard covers piles with circular cross-section (see Figures 1 and A.1a) and barrettes (see 3.3) with

    34、rectangular, T or L or any other similar cross-section (see Figure 2) concreted in a single operation. NOTE 3 In the standard the term pile is used for circular cross-section structure and the term barrette for other shapes. Both are bored piles. ! “ ! “ Key Key D Shaft diameter L Barrette length W

    35、Barrette thickness A Cross-sectional area of the shaft Figure 1 Bored pile with circular cross-section Figure 2 Bored pile with non circular cross-section (barrettes) 1.2 This European Standard applies to bored piles (see Figure 3) with: uniform cross-section (straight shaft); telescopically changin

    36、g shaft dimensions; excavated base enlargements; or excavated shaft enlargements. NOTE The shape of a pile base and of an enlargement depends on the tool used for the excavation. DIN EN 1536:2015-10 EN 1536:2010+A1:2015 (E) 6 ! “ ! “ Key Key D Shaft diameter n Rake DBBase enlargement diameter DEShaf

    37、t enlargement diameter Figure 3 Examples for straight shaft piles and piles with shaft and base enlargement Figure 4 Definition of the rake 1.3 This European Standard applies (see Note) to: bored piles with a depth to width ratio 5; piles (see Figures 1 and 3) with a shaft diameter 0,3 m D 3,0 m; ba

    38、rrettes (see Figure 2) with the least dimension Wi 0,4 m, a ratio Li/ Wibetween its largest and its least dimensions 6 and a cross-sectional area A 15 m; piles with circular precast elements used as structural member (see Figure 7) with a least dimension DP 0,3 m; barrettes with rectangular precast

    39、elements used as structural member with a least dimension WP 0,3 m. NOTE The standard covers a large range of diameters. For small diameter bored piles less than 450 mm, the general specification can be adapted to cater for the lack of space (e.g. minimum bars number and spacing). 1.4 This European

    40、Standard applies to piles with the following rake (see Figure 4): n 4 ( 76); n 3 ( 72) for permanently cased piles. 1.5 This European Standard applies to bored piles with the following dimensions of the shaft or base enlargements (see Figure 3): a) base enlargements: 1) in non-cohesive ground: DB/ D

    41、 2; 2) in cohesive ground: DB/ D 3; DIN EN 1536:2015-10 EN 1536:2010+A1:2015 (E) 7 b) shaft enlargements in any ground: DE/ D 2; c) slope of the enlargement in non-cohesive ground m 3; 1) in non-cohesive ground: m 3; 2) in cohesive ground: m 1,5; d) base enlargements area of barrettes: A 15 m; 1.6 T

    42、he provisions of this European Standard apply to: single bored piles; bored pile groups (see Figure 5); walls formed by piles (see Figure 6). ! “ Key D Shaft diameter aiCentre to centre spacing of the piles Figure 5 Examples of pile groups DIN EN 1536:2015-10 EN 1536:2010+A1:2015 (E) 8 ! “ a D c) Wi

    43、dely spaced pile wall Key a Centre to centre spacing of the piles D Shaft diameter 1 Lagging Figure 6 Examples of pile walls 1.7 The bored piles which are the subject of this European Standard can be excavated by continuous or discontinuous methods using support methods for stabilizing the excavatio

    44、n walls where required. 1.8 This European Standard applies only to construction methods that allow the designed cross-sections to be produced. 1.9 The provisions apply to bored piles (see Figure 7) constructed of: unreinforced (plain) concrete; reinforced concrete; concrete reinforced by means of sp

    45、ecial reinforcement such as steel tubes, steel sections or steel fibres; precast concrete (including prestressed concrete) elements or steel tubes where the annular gap between the element or tube and the ground is filled by concrete, cement or cement-bentonite grout. DIN EN 1536:2015-10 EN 1536:201

    46、0+A1:2015 (E) 9 ! “ a) Use of plain concrete b) Use of concrete with bar reinforcement c) Use of special reinforcement (steel section or tube) ! “ d) Use of precast concrete element as main or supplementary structural member e) Use of steel tube as main or supplementary structural member Key 1 Preca

    47、st concrete element 2 Grout 3 Temporary casing (extracted) 4 Uncased excavation 5 Unreinforced or reinforced concrete or cement grout D Shaft diameter Figure 7 Examples of bored piles with circular cross-section 1.10 Micropiles, mixed-in-place columns, columns constructed by jet grouting, ground imp

    48、rovement for piling, mixed-in-place pile bases and diaphragm walls are not covered by this European Standard. DIN EN 1536:2015-10 EN 1536:2010+A1:2015 (E) 10 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only t

    49、he edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. !deleted text“ !EN 206:2013, Concrete Speci fication, performance, production and conformity“ EN 791, Drill rigs Safety !deleted text“ 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 pro


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