T/CES 089-2021 Active Group standards

T/CES 089-2021 Grouting-type spiral pile foundation design and construction specifications

Publish Date: 2021-09-28 Implement Date: 2021-09-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CES 089-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Civil engineering and architecture

ICS Name: Earthwork, excavation, foundation construction, and underground engineering

Publish Date: 2021-09-28

Implement Date: 2021-09-30

Scope

Scope: This document specifies the basic principles and methods for the design and construction of grouted helical pile foundations. This document is applicable to the design and construction of grouted helical pile foundations for overhead power line towers; Main technical contents: 1. Scope: This standard specifies the basic principles and methods for the design and construction of grouted helical pile foundations. This standard is applicable to the design and construction of grouted helical pile foundations for overhead power line towers. 2. Normative reference documents 3. Terms and definitions: Mainly including the definitions of helical anchors, grouted helical piles, main shaft steel pipes, helical blades, cement-soil, and grouting holes. 4. Symbols, codes, and abbreviations 5. Basic provisions: Mainly including general provisions, steel materials, cement-soil, design principles for embedment depth, bearing capacity calculation and stability verification, action combinations and corresponding resistance basic provisions, etc. 6. Structural requirements: Including but not limited to grouted helical piles, main shaft steel pipes, helical blades, etc. 7. Downward bearing capacity calculation: Including but not limited to pile top action effect calculation, basic requirements for downward bearing capacity of grouted helical piles, downward bearing capacity calculation method, and settlement deformation and downward bearing capacity of the underlying layer, etc. 8. Uplifting bearing capacity calculation: Including but not limited to basic requirements for uplifting bearing capacity of pile foundations, uplifting bearing capacity calculation method, etc. 9. Horizontal bearing capacity and deformation calculation: Including but not limited to basic requirements for horizontal bearing capacity, horizontal bearing capacity and displacement calculation method, etc. 10. Steel material and component bearing capacity calculation: Including but not limited to material and