ASTM D4355 — стандартный метод испытаний на разрушение геотекстиля под воздействием света., влага, and heat in xenon arc type equipment. This test describes the determination of tensile strength degradation of any permeable textile material used for soil, foundation, земля, камень, и т. д.. It is based on ASTM G155 practices.

ASTM D4355-0 Стандартный метод испытаний на разрушение геотекстиля под воздействием света, Влага, и тепло в ксеноновых дуговых устройствах

Deterioration of geotextiles

By exposing the sample to xenon arc radiation, влага и тепло (end-use conditions), it is intended to cause property changes. Фактически, when exposed to these types of factors, polymers can have significantly altered mechanical, электрический, and optical properties. Localized weather-induced deterioration simulations, например, загрязнение атмосферы, биологические атаки, и воздействие солевого раствора, are not expected by the exposures used in this practice. After each exposure period, the sample is cut or stretched strip stretched to produce a degradation curve. The latter allows users to determine the tendency of geotextile materials to deteriorate when exposed to various factors such as solar radiation, water and heat. For a combination of UV exposure and salt water, you should consider ASTM D5894.

Typical experimental parameters for ASTM D4355 testing

The characteristics and operating conditions of the samples are specified in Tables 1 и 2, соответственно.

ASTM D4355-0 Стандартный метод испытаний на разрушение геотекстиля под воздействием света, Влага, и тепло в ксеноновых дуговых устройствах

Table I: Specifications of sample characteristics

Стол 2: Specifications of equipment operating conditions