T/JSJTQX 41-2023 Active Group standards

T/JSJTQX 41-2023 The technical specification for laser point cloud measurement of sediment excavation and backfilling in river ponds

Publish Date: 2023-06-20 Implement Date: 2023-07-01 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/JSJTQX 41-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Engineering surveying

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

Publish Date: 2023-06-20

Implement Date: 2023-07-01

Scope

Scope: This document specifies the basic requirements for laser point cloud measurement of river pond dredging and backfilling projects, the implementation of the measurement, the calculation of the dredging and backfilling volumes, and the error and accuracy. This document is applicable to the laser point cloud measurement of river pond dredging and backfilling projects. Main technical content: The "Technical Regulations for Point Cloud Measurement of River Pond Dredging and Backfilling Projects" introduces the technical content of the project. In roadbed engineering, river pond dredging and backfilling have long been a focus of project management. During the calculation and review of project quantities, traditional measurement methods often suffer from large data deviations and obvious human influence, resulting in low accuracy of project quantity determination. In addition, traditional measurement methods have high safety risks and low measurement efficiency, making innovation in measurement methods a trend in project management. In recent years, the accuracy of laser scanners has greatly improved, and their application scenarios have gradually expanded. This technology has gradually been promoted in highway engineering measurement. This document summarizes the experience accumulated over the years in the application of laser scanning technology in highway engineering measurement, conducts further in-depth research and investigation on the theory and practical work of laser scanning technology, and provides new technical specifications for the measurement of river pond dredging and backfilling project quantities using laser point clouds. It also stipulates requirements for laser scanners, procedures, data collection and processing, earthwork quantity calculation, and measurement accuracy evaluation.