SU377666A1 - DEVICE FOR DETERMINATION OF FILTRATION-SUFFOSION PROPERTIES OF THE SOIL - Google Patents
DEVICE FOR DETERMINATION OF FILTRATION-SUFFOSION PROPERTIES OF THE SOILInfo
- Publication number
- SU377666A1 SU377666A1 SU1386540A SU1386540A SU377666A1 SU 377666 A1 SU377666 A1 SU 377666A1 SU 1386540 A SU1386540 A SU 1386540A SU 1386540 A SU1386540 A SU 1386540A SU 377666 A1 SU377666 A1 SU 377666A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- soil
- filtration
- properties
- suffosion
- determination
- Prior art date
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
1one
Изобретение относитс к области гидротехники и касаетс устройства дл определени фильтрационночсуффозионных свойств грунта.The invention relates to the field of hydraulic engineering and relates to a device for determining the filtration characteristics of soil properties.
Известны устройства дл определени фильтрационно-суффозионных свойств грунта, включающие снабженную крышкой, грунтовую рабочую камеру с решетками, конический отстойник с грунтосборником, приспособлени дл сжати грунта и создани напора и измерительные приборы.Devices are known for determining the filtration-suffusion properties of the soil, including a lidded, ground working chamber with gratings, a conical sump with a soil collector, tools for compressing the soil and creating pressure, and measuring instruments.
Цель изобретени - повысить точность измерений .The purpose of the invention is to improve the accuracy of measurements.
Дл этого конический отстойник выполнен усеченным, выступаюгцим за пределы рабочей камеры, размеш,енной во вращаюш,ейс в вертикальной плоскости обойме.For this purpose, the conical sump is made truncated, protruding beyond the limits of the working chamber, which is rotated into the cage in the vertical plane.
На чертеже показано предлагаемое устройство .The drawing shows the proposed device.
Устройство содержит грунтовую рабочую камеру 1, в которую между двум решетками 2 помеш,ен исследуемый грунт, выступаюш,ий за пределы камеры, усеченный конический отстойник 5, грунтосборник 4 и сливной бачок 5, соединенный с отстойником патрубком 6.The device contains an underground working chamber 1, in which between the two grids 2 projectile, en the test soil, protruding beyond the chamber, a truncated conical sump 5, a soil collector 4 and a drain tank 5 connected to the sump by nozzle 6.
Рабоча камера установлена на нижнем кронштейне обоймы 7, снабженной поворотным черв чным механизмом 8. Осью 9 обойма опираетс на вилку 10, хвостовик // которой вставлен в трубчатую стойку 12 с приваренной к ней опорной крестовиной 13. На вилке закреплен пьезометрический ш,ит 14.The working chamber is mounted on the lower bracket of the holder 7, equipped with a pivotal screw mechanism 8. With the axis 9, the holder is supported on the plug 10, the shank // of which is inserted into the tubular stand 12 with the support cross welded to it 13. On the plug there is a piezometer w, 14
На верхнем кронштейне обоймы 7 расположен гидравлический домкрат /5 и седиментометр 16, чашка 17 которого размендена в грунтосборнике 4. Устройство работает следуюш,им образом.A hydraulic jack / 5 and a sedimentometer 16 are located on the upper bracket of the holder 7, the cup 17 of which is exchanged in the soil collector 4. The device works in the following way.
На нижнюю решетку рабочей камеры укладывают подстилаюш,ий дренажный слой грави , а на него - грунт, пригружаемый распределительным слоем и верхней решеткой. Затем камеру закрывают крышкой, через которую проходит шток, передаюш,ий на верхнюю решетку усилие от домкрата 15. Создав предварительно требуемое давление на грунт,An underlaying gravel is laid on the lower grate of the working chamber, and a drainage layer of gravel is placed on it, and the primer loaded by the distribution layer and the upper grate is placed on it. Then the chamber is closed with a lid, through which the rod passes, the force transmitted from the jack 15 to the upper grate. By creating a previously required pressure on the ground,
обойму 7 поворачивают с помощью черв чного механизма 8, наклон наход щуюс в обойме рабочую камеру /. При этом во врем замачивани грунта обеспечиваютс благопри тные услови дл удалени воздуха,the yoke 7 is rotated by means of a worm gear 8, the inclination of the working chamber in the yoke /. At the same time, during soil wetting, favorable conditions are provided for the removal of air,
наход щегос в порах дренажного сло или под решеткой. Вытесн емый воздух выходит через специальный кран. Убедившись в полном удалении воздуха, вновь устанавливают рабочую камеру врибора в вертикальное положение и насыщают грунт водой.located in the pores of the drainage layer or under the grate. The displaced air exits through a special tap. Making sure that the air is completely removed, they again set the working chamber of the device in a vertical position and saturate the soil with water.
Проницаемость грунта определ ют в процессе испытаний по расходу фильтрации и градиентам напора, а интенсивность суффозии - по нарастанию веса частиц, выпавших в чашку седиментометра 16.The permeability of the soil is determined in the process of testing by the flow rate of the filtration and the pressure gradients, and the intensity of the suffusion is determined by the increase in the weight of the particles precipitated into the cup of the sediometer 16.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1386540A SU377666A1 (en) | 1969-12-18 | 1969-12-18 | DEVICE FOR DETERMINATION OF FILTRATION-SUFFOSION PROPERTIES OF THE SOIL |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1386540A SU377666A1 (en) | 1969-12-18 | 1969-12-18 | DEVICE FOR DETERMINATION OF FILTRATION-SUFFOSION PROPERTIES OF THE SOIL |
Publications (1)
Publication Number | Publication Date |
---|---|
SU377666A1 true SU377666A1 (en) | 1973-04-17 |
Family
ID=20448789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1386540A SU377666A1 (en) | 1969-12-18 | 1969-12-18 | DEVICE FOR DETERMINATION OF FILTRATION-SUFFOSION PROPERTIES OF THE SOIL |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU377666A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU184262U1 (en) * | 2018-04-24 | 2018-10-19 | Акционерное общество "Всероссийский научно-исследовательский институт гидротехники имени Б.Е. Веденеева" | Vertical filtration-suffusion device for testing a combined fragment consisting of incoherent soil and geotextile material |
-
1969
- 1969-12-18 SU SU1386540A patent/SU377666A1/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU184262U1 (en) * | 2018-04-24 | 2018-10-19 | Акционерное общество "Всероссийский научно-исследовательский институт гидротехники имени Б.Е. Веденеева" | Vertical filtration-suffusion device for testing a combined fragment consisting of incoherent soil and geotextile material |
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