EN ISO 25619-2:2015 PDF

Geosynthetics - Determination of compression behaviour - Part 2: Determination of short-term compression behaviour (ISO 25619-2:2015)

Название (английский):

EN ISO 25619-2:2015

Geosynthetics - Determination of compression behaviour - Part 2: Determination of short-term compression behaviour (ISO 25619-2:2015)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 14
Дата публикации:: 9 сентября 2015 г.
Издание:: CEN EN 25619 edition 2 version 1
ICS:: 59.080.70

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Описание (английский):

ISO 25619-2:2015 specifies an index test method for determining the short-term compressive behaviour of geosynthetics. It can be used to determine the deformation behaviour under short-term compressive stress, e.g. after exposure to stress, liquids, or light. ISO 25619-2. 2015 can be used for quality control purposes. It is not intended to be used for design purposes.

Технические детали

Технический комитет: CEN/TC 189 - Geotextiles and geotextile-related products
SKU: EN ISO 25619-2:2015

Abstract

Overview

EN ISO 25619-2:2015 (ISO 25619-2:2015) specifies an index test method for determining the short-term compression behaviour of geosynthetics. The standard defines how to measure short-term compressive strength and corresponding compressive strain of geosynthetic products (e.g., geotextiles, structured cores) under rapid compressive loading. It is intended for quality control and testing, not for structural design.

Key topics and technical requirements

Scope: Index test for short-term compressive behaviour; useful after exposure to stress, liquids or light. Not for design.
Principle: Apply compressive force perpendicular to specimen faces and record maximum stress and deformation (force vs displacement).
Apparatus
- Compression testing machine in accordance with ISO 7500-1, Class 2 or higher, with rigid, parallel platens.
- Displacement measurement accurate to ±5% or ±0.1 mm, whichever is smaller.
- Force sensor accurate to ±1%.
- Data acquisition to record force and displacement to produce stress–strain curves.
Specimens
- Rectangular or square specimens, minimum 100 mm × 100 mm.
- Specimen thickness (initial thickness) measured at a stress of 5 kPa.
- Cut so base is normal to direction of compression; do not layer specimens to increase thickness.
- At least five specimens; use a new specimen for each test.
Conditioning: Standard atmosphere per ISO 554 (20 °C ± 2 °C, 65% ± 5% RH) before testing.
Results and reporting
- If maximum stress

Overview

Key topics and technical requirements

Scope: Index test for short-term compressive behaviour; useful after exposure to stress, liquids or light. Not for design.
Principle: Apply compressive force perpendicular to specimen faces and record maximum stress and deformation (force vs displacement).
Apparatus
- Compression testing machine in accordance with ISO 7500-1, Class 2 or higher, with rigid, parallel platens.
- Displacement measurement accurate to ±5% or ±0.1 mm, whichever is smaller.
- Force sensor accurate to ±1%.
- Data acquisition to record force and displacement to produce stress–strain curves.
Specimens
- Rectangular or square specimens, minimum 100 mm × 100 mm.
- Specimen thickness (initial thickness) measured at a stress of 5 kPa.
- Cut so base is normal to direction of compression; do not layer specimens to increase thickness.
- At least five specimens; use a new specimen for each test.
Conditioning: Standard atmosphere per ISO 554 (20 °C ± 2 °C, 65% ± 5% RH) before testing.
Results and reporting
- If maximum stress

EN ISO 25619-2:2015 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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