CN2842422Y - Load and water environment coupling device - Google Patents
Load and water environment coupling device Download PDFInfo
- Publication number
- CN2842422Y CN2842422Y CNU2005200794962U CN200520079496U CN2842422Y CN 2842422 Y CN2842422 Y CN 2842422Y CN U2005200794962 U CNU2005200794962 U CN U2005200794962U CN 200520079496 U CN200520079496 U CN 200520079496U CN 2842422 Y CN2842422 Y CN 2842422Y
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- water
- sleeve
- steel ball
- force rod
- inner sleeve
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Abstract
The utility model discloses a load and water environment coupling device which comprises an outer sleeve, wherein the upper part and the lower part of the outer sleeve are respectively connected with an upper sleeve cap and a lower sleeve cap which are communicated with water pipes; an inner sleeve is sheathed in the outer sleeve. A lower water penetrating circular disc is arranged at the bottom of the inner sleeve and connected with a lower force guiding bar which extends out of the lower sleeve cap. The extension end of the lower force guiding bar is in contact with an iron ball connected with a loading plate. A test piece can be arranged in the inner sleeve, a water penetrating cushion block is arranged on the test piece, and an upper water penetrating circular disc is arranged on the water penetrating cushion block. Iron balls are arranged on the upper water penetrating circular disc and contacted with one end of an upper force guiding bar which extends out of the upper sleeve cap; a fixed displacement spotting board is arranged on the upper force guiding bar. Iron balls are arranged on the other end of the upper force guiding bar, and another loading plate is arranged on the iron ball. The utility model can simulate the state of coupling the stress with the downward water seepage from the upper part and the capillary rise water respectively so that the test result approaches to the actual state and the measuring is accurate.
Description
Technical field
The utility model relates to a kind of environment simulator, relates to a kind of device of Simulated Water factor especially, this device can be coupled water and two kinds of factors of stress.
Background technology
Existing civil engineering material method of testing does not consider that all material load and water coupling are to the resultant influence of index test.The virtual condition of material is to be among the common influence of water (humidity) and load always, the mode of action of water can be divided into subordinate's effect of oozing and the effect of capillary hypogene water, shop experiment is does not consider the water pressure and the water mode of action, and its test result is difficult to reflect the actual behaviour in service of material.Shop experiment is not considered for water and stress coupling, causes shop experiment and actual engineering to disconnect, therefore, often shop experiment satisfy index request material in actual use the damage by water evil seriously, shop experiment can't the accurate instruction engineering construction.This also is to cause one of engineering early damage reason.
Summary of the invention
The purpose of this utility model is to provide a kind of load and water environment coupling device, can test material performance under water and stress coupling, simulated the material environment for use, make the engineering property that laboratory test results can the accurate response material.
The technical solution of the utility model is achieved in that and comprises outer sleeve, on outer sleeve connects respectively up and down, lower cover nut, on, be linked with water pipe on the lower cover nut, in outer sleeve, be with inner sleeve, the inner sleeve bottom is provided with lower water-permeable disc, lower water-permeable disc connects lower leading force rod, lower leading force rod passes lower cover nut, lower leading force rod traversing through end contact steel ball, steel ball is connected with loading plate, and test specimen can be placed in inner sleeve inside, place permeable padstone on the test specimen, place water permeable disc on the permeable padstone, place steel ball on the last water permeable disc, contact upper leading force rod one end on the steel ball, upper leading force rod passes upper cover nut, fixed displacement spotting dish is provided with steel ball on it on the other end, places another loading plate on the steel ball.
Upper and lower cap bag and water pipe junction are provided with valve.
The utility model adopts inside and outside, sleeve, upper and lower cap bag and auxiliary device thereof are formed, select inner sleeve and permeable padstone collocation to use at the different size test specimen, two kinds of factors of water and stress can be coupled, the actual behaviour in service of simulation material, improve the deficiency of experimental test in the conventional chamber, make and the actual performance of the reaction material that laboratory test results can be correct instruct engineering construction.
Description of drawings
Accompanying drawing is a cross-sectional view of the present utility model;
Below in conjunction with accompanying drawing content of the present utility model is described in further detail.
Embodiment
Shown in accompanying drawing, the utility model comprises outer sleeve 10, on outer sleeve 10 connects respectively up and down, lower cover nut 6,14, cap bag 6 up and down, be linked with water pipe 16 on 14, in outer sleeve 10, be with inner sleeve 11, inner sleeve 11 bottoms are provided with lower water-permeable disc 13, lower water-permeable disc 13 connects lower leading force rod 15, lower leading force rod 15 passes lower cover nut 14, lower leading force rod 15 traversing through end contact steel ball 19, steel ball 19 is connected with loading plate 17, and the inner sleeve 11 inner test specimens 12 of placing are placed permeable padstone 9 on the test specimen 12, place water permeable disc 7 on the permeable padstone 9, place steel ball 18 on the last water permeable disc 7, contact upper leading force rod 4 one ends on the steel ball 18, upper leading force rod 4 passes upper cover nut 6, fixed displacement spotting dish 3 on it, steel ball 1 is set on the other end, places another loading plate 17 on the steel ball 1, on, lower cover nut 6,14 with water pipe 16 junctions valve 5 is set.
In test, test specimen is put in the inner sleeve 11, inner sleeve 11 and permeable padstone 9 combinations different according to the different choice of test specimen 12 sizes, the potpourri sealing of construction sealing materials putty and butter preparation is adopted in test specimen side and sleeve gap, configuration proportion is decided according to room temperature, to smear easily and sealed test piece 12 sides and sleeve gap are target.Upper and lower cap bag 6,14 is connected for the silk mouth with outer sleeve 10, and is provided with rubber seal 8, and anti-sealing is from the seam crossing seepage.Adopt steel ball point to contact between upper leading force rod 4 and the last water permeable disc 7, prevent that the test specimen surface tilt from causing the test findings deviation.Upper and lower force-guided stem 4,15 can move freely at upper and lower cap bag 6,14 center holes respectively, and interfacial seal is intact, guarantees that water is non-leakage.Upper leading force rod 4 ends are provided with 6cm length screw thread, and two hold-down nuts 2 can be fixing with determining displacement point location plate 3, and deformation measurement regularly can select measuring point on this point location plate.Lower leading force rod 15 ends are provided with 6cm length screw thread, and hold-down nut 2 can make top integral body can not prolong lower leading force rod 15 downward slippages whole location, top.Upper and lower force-guided stem 4,15 ends all are set to the contact of steel ball point, make test stress be evenly distributed in test specimen inside, and steel ball 1 places in the carrier 17 central concave spheres.During experimental test, the charger loading position is a carrier 17.Notice during test that this device center line should be in the plumb position.
Hydric factor control can be divided into the control of water pressure and the control of the water mode of action.Water pressure comprises flowing pressure and hydrostatic force, can adopt water pump that flowing pressure and control hydrostatic level height control hydrostatic force are provided respectively.The water mode of action is divided into subordinate's infiltration effect and the effect of capillary hypogene water, and subordinate's infiltration can be received water inlet pipe 16 upper cover nut 6 valves 5 in the simulation, opens the valve 5 of lower cover nut 14, can simulate subordinate's infiltration; Simulation capillary hypogene water can utilize the connection principle that water inlet pipe 16 is received lower cover nut 14 valves 5, and control hydrostatic level liquid level is identical with test specimen bottom surface height, can simulate the capillary hypogene water.
Subordinate's step that seeps water in the simulation:
(1) selects corresponding specification inner sleeve 11 according to sample dimensions;
(2) rotate three fixedly hold-down nut 2 location respectively, fixedly integral body and determining displacement point location plate 3 are tested in top respectively;
(3) place up and down two loading plates 17, steel ball 1,19,18, this proving installation is placed on the charger, charger acts on up and down on two loading plates 17;
(4) wherein the yttria mass percent is the device (can select dial gauge or strain transducer for use) that 2.5% installation is used for determining displacement, and measuring point is positioned at determining displacement current potential dish 3 upper surfaces;
(5) water pipe 16 is received upper cover nut valve 5, open another valve 5 of upper cover nut, treat that water is full of upper cover nut 6 inside when another valve 5 overflows, and closes spilling water valve 5;
(6) carry out the traditional index test.
Simulation capillary hypogene water step:
Step (1)~(4) are with infiltration step under the simulation top; Water pipe one is terminated on lower cover nut 14 valves 5, one terminates to water tank bottom, measures lower leading force rod 15 exposed parts length, extrapolates test specimen bottom surface height, utilize law of connected vessels to adjust liquid level in the water tank, make the water tank level height identical with test specimen bottom surface height; Carry out the traditional index test.
The permeance property testing procedure of material under the load action:
Subordinate's step that seeps water is gone up with coupling in step (1)~(3); Water pipe 16 is received upper cover nut valve 5, open another valve 5 of upper cover nut, treat that water is full of upper cover nut 6 inside when another valve 5 overflows, and closes spilling water valve 5; Another water pipe 16 1 is terminated on lower cover nut 14 valves 5, and the other end is received in the container, is used to collect infiltration water; Select certain stress level, get final product the permeance property of material under the test load effect.
Claims (2)
1, load and water coupling environmental device, comprise outer sleeve (10), on outer sleeve (10) connects respectively up and down, lower cover nut (6,14), cap bag (6 up and down, 14) be linked with water pipe (16) on, it is characterized in that, in outer sleeve (10), be with inner sleeve (11), inner sleeve (11) bottom is provided with lower water-permeable disc (13), lower water-permeable disc (13) connects lower leading force rod (15), lower leading force rod (15) passes lower cover nut (14), lower leading force rod (15) traversing through end contact steel ball (19), steel ball (19) is connected with loading plate (17), and the interior lower water-permeable disc of inner sleeve (11) (13) is gone up and is placed test specimen (12), test specimen (12) is gone up and is placed permeable padstone (9), place water permeable disc (7) on the permeable padstone (9), last water permeable disc (7) is gone up and is placed steel ball (18), and steel ball (18) is gone up contact upper leading force rod (4) one ends, upper leading force rod (4) passes upper cover nut (6), fixed displacement spotting dish (3) is provided with steel ball (1) on it on the other end, and steel ball (1) is gone up and placed another loading plate (17).
2, load according to claim 1 and water coupling environmental device is characterized in that, upper and lower cap bag (6,14) is provided with valve (5) with water pipe (16) junction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2005200794962U CN2842422Y (en) | 2005-10-10 | 2005-10-10 | Load and water environment coupling device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2005200794962U CN2842422Y (en) | 2005-10-10 | 2005-10-10 | Load and water environment coupling device |
Publications (1)
Publication Number | Publication Date |
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CN2842422Y true CN2842422Y (en) | 2006-11-29 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNU2005200794962U Expired - Fee Related CN2842422Y (en) | 2005-10-10 | 2005-10-10 | Load and water environment coupling device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102590476A (en) * | 2012-02-10 | 2012-07-18 | 浙江大学 | Vertisol expansion coefficient measurement device and application thereof |
CN102914627A (en) * | 2012-10-15 | 2013-02-06 | 浙江大学 | In-situ monitoring device for self-purification capacity of pollutants in shallow water area |
CN106202772A (en) * | 2016-07-18 | 2016-12-07 | 三海洋重工有限公司 | The design hydraulic head computational methods of a kind of semi-submerged platform ballast tank, calculating device and the equipment of calculating |
-
2005
- 2005-10-10 CN CNU2005200794962U patent/CN2842422Y/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102590476A (en) * | 2012-02-10 | 2012-07-18 | 浙江大学 | Vertisol expansion coefficient measurement device and application thereof |
CN102590476B (en) * | 2012-02-10 | 2014-06-25 | 浙江大学 | Vertisol expansion coefficient measurement device and application thereof |
CN102914627A (en) * | 2012-10-15 | 2013-02-06 | 浙江大学 | In-situ monitoring device for self-purification capacity of pollutants in shallow water area |
CN102914627B (en) * | 2012-10-15 | 2015-05-06 | 浙江大学 | In-situ monitoring device for self-purification capacity of pollutants in shallow water area |
CN106202772A (en) * | 2016-07-18 | 2016-12-07 | 三海洋重工有限公司 | The design hydraulic head computational methods of a kind of semi-submerged platform ballast tank, calculating device and the equipment of calculating |
CN106202772B (en) * | 2016-07-18 | 2019-06-14 | 三一海洋重工有限公司 | Design hydraulic head calculation method, device and the equipment of semi-submerged platform ballast tank |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |