[下载]：建筑桩基技术规范(英文版)

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建筑桩基技术规范(英文版)*-*b

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Industrial Standard of the People’s Republic of China
建筑桩基技术规范
Technical Code for Building Pile Foundations

JGJ 94 - 94


Prepared by: China Academy of Construction Science
Approved by: Ministry of Construction of the People’s Republic of China
Implemented as of: July 1, 1995

Notice on Issuance of Industrial Standard
“Technical Code for Building Pile Foundations”

Jianbiao No. [1994] 802

As required by the document from the former State Planning Commission Ji Biao Hang No. [1987] 78, the “Technical Code for Building Pile Foundations” compiled by China Academy of Construction Science has been reviewed and is hereby approved to be a compulsory industrial standard with the number JGJ 94 – 94, for Horizontal force (F) as of July 1, 1995.
This standard shall be managed by the China Academy of Construction Science, which exercises the centralized technical management of the construction engineering standards in the Ministry of Construction, and be interpreted by the Foundation Research Institute of China Academy of Construction Science. Any question or comments arising during its Horizontal force (F) can be informed to China Academy of Construction Science.
This standard is published by the Standard Quota Research Institute of the Ministry of Construction.

Ministry of Construction
of the People’s Republic of China
      December 31, 1994

Table of Contents

1.  GENERAL PROVISIONS        1
2.  TERMINOLOGIES AND SIGNS        2
2.1  Terminologies        2
2.2  Signs        3
3.  BASIC PROVISIONS FOR DESIGN        5
3.1  Basic information        5
3.2  Type selection and arrangement of piles        6
3.3  Design principles        8
3.4  Pile foundation under special conditions        9
4.  STRUCTURE OF PILE FOUNDATION        12
4.1  Structure of piles        12
4.2  Construction of cap        17
5.  Calculation for Pile Foundation        21
5.1  Calculation of pile top action effect        21
5.2  Calculation of pile foundation vertical bearing capacity        22
5.3  Calculation of pile foundation settlement        38
5.3  Calculation of pile foundation horizontal bearing capacity and displacement        42
5.5  Pile body bearing capacity and anti-cracking calculation        46
5.6  Cap calculation        50
6.  CONSTRUCTION OF CAST-IN-SITU PILES        58
6.1  Preparation before construction        58
6.2  General provisions        59
6.3  Bored cast-in-situ pile with slurry protection wall        62
6.4  Pipe sinking cast-in-situ pile and internal tamping cast-in-situ pile        66
6.5  Dry bored cast-in-situ pile        69
7.  CONSTRUCTION OF CONCRETE FABRICATED PILE AND STEEL PILE        71
7.1  Fabrication of concrete fabricated pile        71
7.2  Lifting, transport and stacking and storage of concrete fabricated pile        72
7.3  Connection of concrete fabricated pile        73
7.4  Sinking of concrete fabricated pile        74
7.5  Fabrication of steel pile (steel pipe pile, H pile and other profiled piles)        76
7.6  Welding of steel piles        77
7.7  Transport, stacking and storage of steel piles        78
7.8  Sinking of steel piles        78
8.  CONSTRUCTION OF CAPS        79
8.1  General provisions        79
8.2  Excavation and backfilling for foundation pits        79
8.3  Construction of reinforcement and concrete        79
9.  QUALITY INSPECTION AND ACCEPTANCE FOR PILE FOUNDATION WORKS        80
9.1  Quality inspection for completed piles        80
9.2  Testing of single pile bearing capacity        80
9.3  Acceptance documents for pile foundation and cap works        81
APPENDIX A  REFERENCE TABLE FOR SELECTING PILING TECHNIQUE        82
APPENDIX B  CALCULATION FOR PILE FOUNDATION SUBJECT TO HORIZONTAL LOAD TAKING INTO ACCOUNT THE JOINT ACTION OF CAP (INCLUDING UNDERGROUND WALL BODY) AND PILE FOUNDATION AND THE ELASTIC RESISTANCE ACTION OF SOIL        84
APPENDIX C  SINGLE PILE VERTICAL COMPRESSIVE STATIC LOADING TEST        95
APPENDIX D  SINGLE PILE VERTICAL ANTI-EXTRACTION STATIC LOADING TEST        101
APPENDIX E  SINGLE PILE HORIZONTAL STATIC LOADING TEST        103
APPENDIX F  CALCULATION OF STRIP PILE FOUNDATION CAP BEAM UNDER WALL AS INVERTED ELASTIC FOUNDATION BEAM        106
APPENDIX G  ADDITIONAL STRESS COEFFICIENT A’ AND AVERAGE ADDITIONAL STRESS COEFFICIENT A        108
APPENDIX I  NOTES ON SOME EXPRESSIONS USED IN THIS SPECIFICATION        121
ADDITIONAL NOTES        122