T/UNP 747-2025 Active Group standards

T/UNP 747-2025 Technical Specifications for Pile Foundation Inspection in Building Construction

T/UNP 747-2025 Construction of pile foundation testing technology specifications

Publish Date: 2025-06-25 Implement Date: 2025-06-25 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/UNP 747-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

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

Publish Date: 2025-06-25

Implement Date: 2025-06-25

Scope

Main technical content: This standard specifies the requirements for instrumentation and equipment, preparation for testing, on-site testing, evaluation of testing results, verification testing and expanded sampling, and preparation of testing reports for pile foundation testing in construction. It is applicable to the testing and evaluation of pile foundations in construction projects. The instrumentation and equipment section specifies the technical requirements for load measurement instruments, displacement measurement instruments, drilling tools, dynamic pile testing instruments, and other equipment; the preparation for testing section specifies the requirements for pre-test preparations such as personnel training, investigation and data collection, and preparation of testing plans; the on-site testing section specifies the content and requirements for pre-construction, during construction, and post-construction testing; the evaluation of testing results section specifies the requirements for analyzing testing data, assessing the integrity of the pile body, and evaluating the acceptance testing results of bearing capacity; the verification testing and expanded sampling section specifies the methods for verification testing and the requirements for the conditions and quantity of expanded sampling; and the preparation of testing reports section specifies the content and preparation requirements for testing reports.