failure mechanism geophys.

[abab]

Пожалуйста, помогите перевести shallow failure mechanism - deep failure mechanism. Выражение встречается в следующем контексте:

There are two penetration phases during a cone penetration test, one where the soil moves upward at the free surface next to the cone rods (shallow failure mechanism) and one where the soil
stops moving upwards at the free surface next to the cone rods (deep failure mechanism). An increase of the T-bar Penetration Resistance is observed for each test over approximately the first 50 mm to 100 mm of the mini T-bar penetration. Over this penetration interval the mini T-bar behaviour changes from a shallow to a deep failure mechanism.

Заранее спасибо

[Лу Рид]

Сами как думаете? Кстати, это не геофизика.

[abab]

механизм разрушения на малой-большой глубине?

[Лу Рид]

There are two penetration phases during a cone penetration test, one where the soil moves upward at the free surface next to the cone rods (shallow failure mechanism) and one where the soil stops moving upwards at the free surface next to the cone rods (deep failure mechanism). An increase of the T-bar Penetration Resistance is observed for each test over approximately the first 50 mm to 100 mm of the mini T-bar penetration. Over this penetration interval the mini T-bar behaviour changes from a shallow to a deep failure mechanism. - При определении плотности грунта коническим пенетрометром существуют 2 этапа: ... (механизм движения слабого грунта)... (механизм движения - а фактически остановки - грунта твердого).
http://www.geotest.ural.ru/d_penetr.htm термины.