T/SCDA 098-2022 Active Group standards

T/SCDA 098-2022 DP Prestressed Concrete Hollow Square Pile

Publish Date: 2022-08-29 Implement Date: 2022-08-30 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/SCDA 098-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

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

Publish Date: 2022-08-29

Implement Date: 2022-08-30

Scope

Main technical content: 1. DP prestressed concrete hollow square piles (abbreviated as “hollow square piles”) are suitable for low-pad foundation projects of industrial and civil buildings, structures, and other engineering projects in areas with seismic fortification intensity of 7 degrees or lower. They can also be used in railway, highway, bridge, water conservancy, and municipal engineering projects with low-pad foundations under the same technical conditions. 2. The service life of the hollow square piles in this collection is not less than 50 years. 3. These hollow square piles are primarily used in pile foundation projects subject to vertical compressive loads and vertical uplift loads. When subject to horizontal loads, designers should refer to the design bearing capacity of the single pile and the reinforcement structure of the pile body, and conduct a separate design check based on geological conditions and engineering experience. After comprehensive consideration, they can selectively apply them. 4. These hollow square piles are suitable for sites with non-corrosive, mildly corrosive, or weakly corrosive environments. When located in moderate or more severe corrosive environments, the hollow square piles should comply with the first-level crack control requirements for the pile body and undergo special anti-corrosion design, which should be described in the design documents. 5. When encountering liquefied soil layers, the selection of hollow square piles should comply with the provisions of the “Technical Code for Building Pile Foundations” JGJ94.