гидродинамическое взвешивание

15:30 Apr 10, 2021
This question was closed without grading. Reason: Other

Russian to English translations [PRO]
Tech/Engineering - Construction / Civil Engineering / грунтовые сооружения
Russian term or phrase: гидродинамическое взвешивание
Опасные нарушения грунтов могут возникнуть также при открытом водоотливе. К ним относятся вынос мелких частиц на откосах, а также вспучивание дна котлована вследствие гидродинамического взвешивания.
Marina Zakharevskaya
Russian Federation
Local time: 13:15


Summary of answers provided
4hydrodynamic suspension
Jack slep
3hydrodynamic fluidization
Oleg Lozinskiy
3hydrostatic loading
Frank Szmulowicz, Ph. D.
3hydrodynamics in swelling soil
Aleksey Smirnov
2см.
IrinaN


  

Answers


17 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5
hydrodynamic fluidization


Explanation:
См. https://www.google.ru/search?q="hydrodynamic fluidization"&n...

Oleg Lozinskiy
Russian Federation
Local time: 13:15
Works in field
Native speaker of: Native in RussianRussian
PRO pts in category: 203
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2 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5
hydrostatic loading


Explanation:

I believe that the author had in mind hydrostatic, not hydrodynamic, although one Russian article speaks of hydrodynamic weighing, which does not find confirmation in English literature.

I believe in the context of trench/excavation stability, the issue is hydrostatic loading - the constant pressure of groundwater on the sides of the excavation

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Hydrostatics is the study of fluids at rest, and the study of the forces that can be exerted by those fluids. If you put a fluid under pressure, it can exert a force.
Hydrodynamics is the study of fluids in motion. It is about when we use that motion to do useful work - for example, a fluid flywheel. When fluid flows, that flow may be smooth and steady (laminar flow) or unsettled and disturbed (turbulent flow)

http://86.43.94.97/moodlecp9a/mod/resource/view.php?id=703#:...

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5.48. Dangerous soil damage can also occur with open drainage. These include the removal of small particles on the slopes, as well as the expansion of the bottom of the pit due to hydrodynamic weighing.
https://lovesushi29.ru/en/chto-znachit-otsypka-grunta-pioner...

Water/cement ratio = 0.45 maximum (all concrete exposed to hydrostatic loading), 0.50 maximum (all other concrete)
http://apps.ocfl.net/orangebids/Bid_Plans.asp?PrinterFriendl...

Design shall address hydrostatic loading, seismic loading, rapid drawdown, surcharge, velocity effects, and back slopes where appropriate.
https://apps.cityofmesquite.com/purchasingweb/documents/2019...

The interior surfacing system shall be continuously bonded to all brick, mortar, concrete, chemical sealant, grout, pipe and other surfaces inside the manhole according to ASTM C882 testing and therefore shall be designed for hydrostatic loading

http://www.maconwater.org/system/media_files/attachments/883...


Dewatering was carried out with an external
ring of wellpoints (see figure). The external drawdown removed the hydrostatic loading on the sheet-piles, avoiding
the need for other support.

. External wells have the advantage of being out of the
way of the excavation and can reduce the hydrostatic loading on the retaining walls with potential for a saving in propping or anchoring requirements. I
http://programmeofficers.co.uk/Preston/CoreDocuments/LCC151....



Frank Szmulowicz, Ph. D.
United States
Local time: 06:15
Works in field
Native speaker of: Native in EnglishEnglish, Native in PolishPolish
PRO pts in category: 190
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6 hrs   confidence: Answerer confidence 2/5Answerer confidence 2/5
см.


Explanation:
Foundation pit bottom swelling due to hydrodynamic pressure / hydrodynamic processes / soil hydrodynamics.


https://tehlib.com/tehnologiya-stroitel-stva/vodoponizhenie-...

Фильтрационный поток, формирующийся в направлении к месту отбора воды (к скважинам, дренажу или к горной выработке), создает гидродинамическое давление на грунт, ослабляет прочностные связи в нем и может вызвать вынос частиц грунта. Понижение уровня воды вызывает уменьшение взвешивающего давления в грунте и, как следствие, дополнительные его осадки.


IrinaN
United States
Local time: 05:15
Specializes in field
Native speaker of: Native in RussianRussian
PRO pts in category: 23
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1 day 4 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
hydrodynamic suspension


Explanation:
Hydrodynamic and sediment suspension modelling in estuarine ...
www.sciencedirect.com › science

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Note added at 1 day 6 hrs (2021-04-11 22:09:29 GMT)
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Reference is to loss of fine particles on slopes and to upheaval of pit bottom due to hydrodynamic suspension/buoyancy, not erroneously hydrostatic since with upheaval/uplift the pressure changes. ..взвешивание is used for fluidization in metallurgy, not here, as far as I know. In IrinaN's reply's citation, уменьшение взвешивающего давления simply means decrease of uplift

Jack slep
Local time: 06:15
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Native speaker of: English
PRO pts in category: 87
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2 days 18 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5
hydrodynamics in swelling soil


Explanation:
Как вариант
https://www.google.ru/search?ie=UTF-8&q=hydrodynamic swellin...

Hydrostatics and hydrodynamics in swelling soils
https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/WR00...

https://www.google.ru/search?q="hydrodynamics in swelling so...


Aleksey Smirnov
Russian Federation
Local time: 13:15
Specializes in field
Native speaker of: Russian
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