EN ISO 22476-10:2017 PDF

Geotechnical investigation and testing - Field testing - Part 10: Weight sounding test (ISO 22476-10:2017)

Название (английский):

EN ISO 22476-10:2017

Geotechnical investigation and testing - Field testing - Part 10: Weight sounding test (ISO 22476-10:2017)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 15
Дата публикации:: 22 ноября 2017 г.
Издание:: CEN EN 22476 edition 2 version 1
ICS:: 93.020

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Описание (английский):

ISO 22476-10 specifies the equipment, execution and reporting requirements of the weight sounding test. NOTE ISO 22476-10 fulfils the requirements for the weight sounding test as part of the geotechnical investigation and testing according to EN 1997?1 and EN 1997?2. ISO 22476-10 specifies the procedure for conducting a test with the weight sounding device in natural soils, made ground, and fill either on land or on water. ISO 22476-10 is applicable to the determination of the resistance of soil to the static load or the static load and the specified turning of the sounding point. ISO 22476-10 gives guidelines for the use of the weight sounding test to give a continuous soil profile and an indication of the layer sequence. The use includes the estimation of the density of cohesionless soils and the depth to very dense ground layers indicating the length of end-bearing piles.

Технические детали

Технический комитет: CEN/TC 341 - Geotechnical Investigation and Testing
SKU: EN ISO 22476-10:2017

Abstract

Overview

EN ISO 22476-10:2017 - "Geotechnical investigation and testing - Field testing - Part 10: Weight sounding test" specifies the equipment, execution and reporting requirements for the weight sounding test (manual or mechanized). The standard applies to natural soils, made ground and fill, on land or water, and fulfils requirements for geotechnical investigations according to EN 1997‑1 / EN 1997‑2. Typical uses include producing a continuous soil profile, indicating layer sequence, estimating density of cohesionless soils and locating very dense layers that indicate end‑bearing pile lengths.

Key topics and technical requirements

Scope & purpose
- Determines soil resistance to static load and to static load with specified turning of the sounding point.
- Provides guidelines for continuous profiling and density estimation.
Penetrometer point
- Standard screw-shaped point dimensions (circumscribed circle ≈ 35 mm; length ≈ 200 mm; twisted one turn to the left over 130 mm); manufactured from high‑strength steel. Wear limits are specified.
Loading systems
- Manual test weights: standard set totalling 1 000 N (50 N clamp/handle, two 100 N and three 250 N weights).
- Mechanized tests may use a dynamometer (measuring range up to a minimum of 1 100 N).
Rods and measurements
- Rod diameter 22 mm, weight ~2.5 ± 0.5 kg/m; extension lengths typically 1.0–2.0 m (first rod may be 0.8 m).
- Depth measurement accuracy and straightness/tolerance requirements are specified.
Test procedure
- Pre‑test calibration and equipment checks; calibration records retained.
- Predrilling and casing when required (e.g., dry crust or made ground) - depth and use to be recorded.
- Manual load steps: 0, 50, 150, 250, 500, 750, 1 000 N; penetration rate should be 20–50 mm/s.
- If resistance > 1 000 N or penetration at 1 000 N

Overview

Key topics and technical requirements

Scope & purpose
- Determines soil resistance to static load and to static load with specified turning of the sounding point.
- Provides guidelines for continuous profiling and density estimation.
Penetrometer point
- Standard screw-shaped point dimensions (circumscribed circle ≈ 35 mm; length ≈ 200 mm; twisted one turn to the left over 130 mm); manufactured from high‑strength steel. Wear limits are specified.
Loading systems
- Manual test weights: standard set totalling 1 000 N (50 N clamp/handle, two 100 N and three 250 N weights).
- Mechanized tests may use a dynamometer (measuring range up to a minimum of 1 100 N).
Rods and measurements
- Rod diameter 22 mm, weight ~2.5 ± 0.5 kg/m; extension lengths typically 1.0–2.0 m (first rod may be 0.8 m).
- Depth measurement accuracy and straightness/tolerance requirements are specified.
Test procedure
- Pre‑test calibration and equipment checks; calibration records retained.
- Predrilling and casing when required (e.g., dry crust or made ground) - depth and use to be recorded.
- Manual load steps: 0, 50, 150, 250, 500, 750, 1 000 N; penetration rate should be 20–50 mm/s.
- If resistance > 1 000 N or penetration at 1 000 N

EN ISO 22476-10:2017 PDF

Технические детали

Abstract

Overview

Key topics and technical requirements

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Abstract

Overview

Key topics and technical requirements

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