CN105445176A - Apparatus for evaluating concrete endurance under pressure - Google Patents
Apparatus for evaluating concrete endurance under pressure Download PDFInfo
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- CN105445176A CN105445176A CN201510933821.5A CN201510933821A CN105445176A CN 105445176 A CN105445176 A CN 105445176A CN 201510933821 A CN201510933821 A CN 201510933821A CN 105445176 A CN105445176 A CN 105445176A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- Environmental & Geological Engineering (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses an apparatus for evaluating concrete endurance under pressure. The apparatus can really show corrosive liquid penetration-caused influence on concrete strength and deformation in a pressure environment. The apparatus comprises a horizontal pedestal (1), the horizontal pedestal (1) is provided with a test piece case (2) for test piece arrangement, the side of the test piece case (2) is provided with a penetrating fluid outlet (3), the top surface of the test piece case (2) is provided with an opening, a pressure assembly (5) is arranged on the opening, the pressure assembly (5) is connected to a support assembly (6) and a load assembly (7), the load assembly (7) can transmit load to the upper surface of the test piece through the pressure assembly (5) and a penetrating fluid is poured into the upper surface of the test piece in the test.
Description
Technical field
The invention belongs to soil test technique field, being specifically related to one has concrete durability evaluation appts in pressure situation.
Background technology
At present for have the infiltration of aggressive liquids under pressure condition to the testing equipment of the measurement of concrete intensity and deformation effect and method for measurement comparatively extensive, under acquired results is difficult to reflect different pressured state really, the infiltration of aggressive liquids is on the impact of concrete distortion and intensity.
Summary of the invention
In order to solve the problems of the prior art, the present invention proposes one and can truly be reflected in pressure ring border, and the infiltration of aggressive liquids has concrete durability evaluation appts in pressure situation to concrete intensity and deformation effect.
In order to realize above object, the technical solution adopted in the present invention is: comprise horizontally disposed pedestal, pedestal is provided with the test piece box for placing test specimen, the side opening of test piece box is provided with permeate outlet, the end face of test piece box is provided with opening, opening is provided with assembly of exerting pressure, and assembly of exerting pressure is connected with supporting component and heavy burden assembly; Described heavy burden assembly can by load by the upper surface of component passes to test specimen of exerting pressure, and during test, the upper surface of test specimen is marked with penetrating fluid.
Described assembly of exerting pressure comprises the pressure plate being arranged on test piece box end face opening, and during test, pressure plate contacts with the upper surface of test specimen, and pressure plate is connected with the bar of exerting pressure vertically arranged; Described supporting component comprises and being horizontally disposed with and the horizontal support be connected with bar of exerting pressure, and horizontal support is connected with the vertical supporting vertically arranged, and vertical supporting and pedestal are connected; Described heavy burden assembly comprises and to be horizontally disposed with and the level be connected with bar of exerting pressure is born a heavy burden, and level one end of bearing a heavy burden is hinged with the vertical heavy burden vertically arranged, and vertical heavy burden is connected with pedestal, and the level heavy burden other end is connected with load assembly.
Described horizontal support offers the through hole for installing bar of exerting pressure, described in exert pressure groove bar offering and bears a heavy burden for installing level, the height off the ground that described level is born a heavy burden is greater than the height off the ground of horizontal support.
The vertical dimension of described groove is greater than the thickness of level heavy burden, can make level heavy burden vertically movement in groove.
Described horizontal support is connected with vertical supporting by bolt, can be regulated the height of horizontal support by described bolt.
Described horizontal support is provided with the clock gauge fixed bar for installing clock gauge, clock gauge can measure the infiltration capacity of the penetrating fluid of test specimen upper surface.
Described pedestal is provided with permeate collection groove, permeate collection groove is connected with permeate outlet.
Described permeate collection trench bottom is provided with penetrating fluid delivery line, and penetrating fluid delivery line is provided with valve, and permeate collection groove is vertically provided with scale mark.
Described test piece box is provided with can detect test specimen bear pressure pressure transducer and display force value pressure display screen.
Described test piece box and inter-module of exerting pressure after putting into test specimen, and all establish impervious material between test specimen and permeate outlet.
Compared with prior art, the load that the present invention utilizes lever principle will heavy burden assembly apply, be delivered to and exert pressure on assembly, test specimen upper surface is applied to uniformly again by assembly of exerting pressure, and inject permeation liquid at the upper surface of test specimen, test specimen is fixed in a relatively airtight test piece box, set intensity of exerting pressure, experimentally steady seepage corrosion is carried out in the requirement of permeating corrosion time, after arriving the ticket reserving time, measure infiltration capacity, and take out distortion and the compressive strength that test specimen measured by test specimen, concrete is evaluated in different pressured states with this, aggressive liquids is to concrete perviousness, the impact of intensity and distortion.The infiltration erosion action of concrete compression and aggressive liquids combines by the present invention, makes the impact assessment to there being aggressive liquids under pressure condition to concrete perviousness, intensity and distortion truer and meticulous.
Further, the separate design of pressure plate and bar of exerting pressure, the assembling design of supporting component, heavy burden assembly, makes test operation succinctly convenient.To exert pressure the mutually nested connection design of bar, supporting component, heavy burden assembly, ensure that the stability that in process of the test, pressure applies, improve the accuracy of test.The present invention is imposed load on load components, use lever principle, by heavy burden assembly, vertical load is delivered to bar of exerting pressure, then puts on test specimen upper surface uniformly by pressure plate, simulate concrete pressured state in true environment to greatest extent, improve the reliability of test.
Further, the groove vertical dimension that on bar of exerting pressure, installation level is born a heavy burden is greater than the thickness that level is born a heavy burden, and level is born a heavy burden can vertically movement in groove.
Further, test piece box seals, and simulates the stress of concrete in Practical Project to the full extent, leaves permeate outlet, is easy to observe os-motic state, to greatest extent erosion environment that is virtually reality like reality, ensure that stability and the reliability of apparatus of the present invention.Test piece box is provided with pressure transducer, can detects in real time and show test specimen pressure valve, improve the accuracy of test.
Further, in permeate collection groove, be vertically provided with the scale mark that minimum scale is 1mm, make the os-motic state observing test specimen in testing more accurately.
Accompanying drawing explanation
Fig. 1 is the structural representation of invention;
Fig. 2 is the assembling effect schematic diagram of assembly, supporting component and heavy burden assembly of exerting pressure;
Fig. 3 is the assembling effect schematic diagram of pedestal, test piece box, permeate collection groove and pressure plate;
Wherein, 1 be pedestal, 2 be test piece box, 3 be permeate outlet, 4 be assembly of exerting pressure, 6 be supporting component, 7 be heavy burden assembly, 8 be bar of exerting pressure, 10 for vertical to bear a heavy burden, 11 bear a heavy burden, 12 be load assembly, 13 be vertical supporting, 14 be horizontal support, 15 be groove, 16 be through hole, 17 be clock gauge fixed bar, 18 be penetrating fluid delivery line, 19 be pressure display screen for level for pressure plate, 9 for permeate collection groove, 5.
Embodiment
Below in conjunction with specific embodiment and Figure of description, the present invention is further explained.
See Fig. 1, the present invention includes horizontally disposed pedestal 1, pedestal 1 is provided with test piece box 2, permeate outlet 3 is provided with before test piece box 2, permeate outlet 3 connects permeate collection groove 4, permeate collection trench bottom is provided with penetrating fluid delivery line 18, and penetrating fluid delivery line 18 is provided with valve, and the collection penetrating fluid that can make is convenient.Be provided with pressure display unit 19 and pressure transducer outside test piece box 2, pressure display unit 19 utilizes the principle of sensor, shows the pressure that test specimen bears in real time.Test piece box 2 top is provided with test specimen and exerts pressure assembly 5, assembly 5 of exerting pressure comprises pressure plate 8 and bar 9 of exerting pressure, assembly 5 of exerting pressure is connected with supporting component 6 and heavy burden assembly 7, supporting component 6 comprises vertical supporting 13 and horizontal support 14, heavy burden assembly 7 comprise vertical bear a heavy burden 10, level bears a heavy burden 11 and load assembly 12, the level of heavy burden assembly 7 to component higher than the level of supporting component 6 to component.
See Fig. 2, in heavy burden assembly 7, vertical heavy burden 10 is rigidly connected with pedestal 1, and vertical heavy burden 10 and level are born a heavy burden hinged between 11, and load assembly 12 and level are born a heavy burden between 11 and be bolted; In supporting component 6, vertical supporting 13 and pedestal 1 are rigidly connected, and vertical supporting 13 and horizontal support 14 are fixed by two bolts, and horizontal support 14 can be made can to take off or regulate height completely.Exert pressure on bar 9 and be provided with groove 15, the vertical dimension of groove 15 is that level is born a heavy burden 1.5 times of 11 thickness, level can be made to bear a heavy burden 11 vertically movements in hole, but limit its transverse shifting.Level heavy burden 11 is connected with bar 9 of exerting pressure through groove 15, horizontal support 14 is provided with vertical through holes 16, bar 9 of exerting pressure is connected with horizontal support 14 through through hole 16, the size of through hole 16 and the consistent size of bar 9 of exerting pressure, bar 9 vertically freely activity of exerting pressure can be made, the movement of the horizontal direction of bar 9 but restriction is exerted pressure.Horizontal support 14 front end is provided with clock gauge fixed bar 17, and clock gauge can be fixed.
See Fig. 3, pressure plate 8 only can vertically movement in test piece box 2, and after putting into test specimen, pressure plate 8 does Anti-seeping technology with the surface of contact of test piece box 2.Bulk in test piece box 2 is greater than test piece box permeate outlet 3, after putting into test specimen, does Anti-seeping technology between permeate outlet 3 surrounding face and test specimen, and test specimen can be made under the state of pressure-bearing, to keep fixing and no leakage.
See Fig. 1, test piece box 2 of the present invention open top, pressure plate 8 is provided with in opening, pressure plate 8 can move up and down in test piece box 2 inside, pressure plate 8 is provided with bar 9 of exerting pressure, and bar 9 of exerting pressure is connected with supporting component 6 by through hole 16, and heavy burden assembly 7 is connected with bar 9 of exerting pressure by groove 15, supporting component 6 leading portion is provided with clock gauge fixed bar 17, can read test specimen bear pressure and vertical deformation value by display screen 19 and clock gauge.
See Fig. 1 and Fig. 2, supporting component 6 is made up of vertical supporting 13, horizontal support 14, clock gauge fixed bar 17, vertical supporting 13 steel is tied in pedestal 1, clock gauge fixed bar 17 and horizontal support 14 consolidation, be connected with vertical supporting 13 by two bolt again, make the height of horizontal support 14 adjustable within the specific limits.
See Fig. 1, Fig. 2, heavy burden assembly 7 by vertically bearing a heavy burden 10, level bear a heavy burden 11 and load assembly 12 form, load assembly 12 is born a heavy burden by bolt and level and 11 to be connected, level bear a heavy burden 11 with vertically bears a heavy burden 10 hinged, make level heavy burden 11 and load assembly 12 can vertically movement.
See Fig. 1, Fig. 2, bar 9 of exerting pressure is connected with horizontal support 14 by through hole 16, and level heavy burden 11 is connected with bar 9 of exerting pressure by groove 15, makes load pass through heavy burden component passes to bar 9 of exerting pressure, then is applied on test specimen by pressure by pressure plate.
See Fig. 3, test piece box 2 is provided with permeate outlet 3 above, and permeate outlet is provided with the permeate collection groove 4 of penetrating fluid conduit 18 for 3 times, and pressure plate 8 vertically can move in test piece box inside.
Specific works process of the present invention: first concrete sample is put into test piece box 2, Anti-seeping technology is carried out in the scope contacted with test specimen around permeate outlet 3, then penetrating fluid is injected at the top of test specimen, put into pressure plate 8, bear a heavy burden by load assembly 12 adds, intensity of exerting pressure is regulated by pressure display screen 19 displayed value, clock gauge is fixed on clock gauge fixed bar 17, initial reading is set and record, experimentally steady seepage corrosion is carried out in the requirement of permeating corrosion time, after arriving the ticket reserving time, the penetrating fluid slippage of surface of test piece is drawn by clock gauge, under drawing pressure condition, aggressive liquids is on the impact of concrete permeability, take out distortion and the compressive strength that test specimen measured by test specimen, the infiltration obtaining aggressive liquids under pressure condition is to the effect appraise of concrete strength and distortion.
The present invention is provided with permeate collection groove and pressure display screen, utilize test piece box and pressure plate farthest to simulate concrete stressed and have pressure os-motic state, there is aggressive liquids under pressure condition reflecting of becoming more meticulous on the impact of concrete perviousness, distortion and intensity.The present invention by the assembly that bears a heavy burden by assembly of exerting pressure to test specimen load application, in load application process, the stability of load application is guaranteed by supporting component, finally, under reflecting different pressurized environment by the infiltration capacity of test specimen, deformation values and compressive strength, different types of aggressive liquids is to the evaluation of concrete perviousness, distortion and intensity effect.
Claims (10)
1. one kind has concrete durability evaluation appts in pressure situation, it is characterized in that, comprise horizontally disposed pedestal (1), pedestal (1) is provided with the test piece box (2) for placing test specimen, the side opening of test piece box (2) is provided with permeate outlet (3), pedestal (1) is provided with permeate collection groove (4), permeate collection groove (4) is connected with permeate outlet (3), the end face of test piece box (2) is provided with opening, opening is provided with assembly of exerting pressure (5), assembly (5) of exerting pressure is connected with supporting component (6) and heavy burden assembly (7), load can be delivered to the upper surface of test specimen by described heavy burden assembly (7) by assembly of exerting pressure (5), during test, the upper surface of test specimen is marked with penetrating fluid,
Described assembly of exerting pressure (5) comprises the pressure plate (8) being arranged on test piece box (2) end face opening, during test, pressure plate (8) contacts with the upper surface of test specimen, and pressure plate (8) is connected with the bar of exerting pressure (9) vertically arranged; Described supporting component (6) comprises and being horizontally disposed with and the horizontal support (14) be connected with bar of exerting pressure (9), horizontal support (14) is connected with the vertical supporting (13) vertically arranged, and vertical supporting (13) and pedestal (1) are connected; Described heavy burden assembly (7) comprises and to be horizontally disposed with and the level be connected with bar of exerting pressure (9) bears a heavy burden (11), level heavy burden (11) one end is hinged with the vertical heavy burden (10) vertically arranged, vertical heavy burden (10) and pedestal (1) are connected, and level heavy burden (11) other end is connected with load assembly (12).
2. one according to claim 1 has concrete durability evaluation appts in pressure situation, it is characterized in that, described horizontal support (14) offers the through hole (16) for installing bar (9) of exerting pressure, described bar of exerting pressure (9) offers the groove (15) for installing level heavy burden (11), the height off the ground of described level heavy burden (11) is greater than the height off the ground of horizontal support (14).
3. one according to claim 2 has concrete durability evaluation appts in pressure situation, it is characterized in that, the vertical dimension of described groove (15) is greater than the thickness of level heavy burden (11), and level heavy burden (11) can be made vertical mobile in groove (15).
4. one according to claim 3 has concrete durability evaluation appts in pressure situation, it is characterized in that, the diameter of the through hole (16) on described horizontal support (14) is identical with the diameter of bar of exerting pressure (9), and the bar (9) that makes to exert pressure only can vertically move.
5. one according to claim 1 has concrete durability evaluation appts in pressure situation, it is characterized in that, described horizontal support (14) is connected with vertical supporting (13) by bolt, can be regulated the height of horizontal support (14) by described bolt.
6. one according to claim 5 has concrete durability evaluation appts in pressure situation, it is characterized in that, described horizontal support (14) is provided with the clock gauge fixed bar (17) for installing clock gauge, clock gauge can measure the infiltration capacity of the penetrating fluid of test specimen upper surface.
7. one according to claim 1 has concrete durability evaluation appts in pressure situation, it is characterized in that, described permeate collection groove (4) bottom is provided with penetrating fluid delivery line (18), and penetrating fluid delivery line (18) is provided with valve.
8. one according to claim 7 has concrete durability evaluation appts in pressure situation, it is characterized in that, described permeate collection groove (4) is vertically provided with scale mark.
9. the one according to any one of claim 1-8 has concrete durability evaluation appts in pressure situation, it is characterized in that, described test piece box (2) is provided with can detect test specimen bear pressure pressure transducer and display force value pressure display screen (19).
10. the one according to any one of claim 1-8 has concrete durability evaluation appts in pressure situation, it is characterized in that, after putting into test specimen between described test piece box (2) and assembly of exerting pressure (5), and all establish impervious material between test specimen and permeate outlet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510933821.5A CN105445176B (en) | 2015-12-14 | 2015-12-14 | One kind having concrete durability evaluation appts in the case of pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510933821.5A CN105445176B (en) | 2015-12-14 | 2015-12-14 | One kind having concrete durability evaluation appts in the case of pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105445176A true CN105445176A (en) | 2016-03-30 |
| CN105445176B CN105445176B (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510933821.5A Expired - Fee Related CN105445176B (en) | 2015-12-14 | 2015-12-14 | One kind having concrete durability evaluation appts in the case of pressure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801889A (en) * | 2018-05-29 | 2018-11-13 | 江苏苏博特新材料股份有限公司 | A kind of corrosion evaluating device and method of simulating reinforced concrete component composition stress |
| CN114112886A (en) * | 2021-12-09 | 2022-03-01 | 长江师范学院 | Concrete corrosion resistance testing device |
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| CN2565008Y (en) * | 2002-09-06 | 2003-08-06 | 张德庆 | Polymer compression creepmeter |
| CN101074912A (en) * | 2007-06-06 | 2007-11-21 | 河海大学 | Apparatus and method for testing cement concrete penetration performance under loading action |
| CN104458418A (en) * | 2014-12-15 | 2015-03-25 | 中国矿业大学(北京) | Working face coal wall stability control simulation experiment table and application method |
| CN205192923U (en) * | 2015-12-14 | 2016-04-27 | 榆林学院 | Instrument is appraised to concrete durability under having pressure condition |
-
2015
- 2015-12-14 CN CN201510933821.5A patent/CN105445176B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2565008Y (en) * | 2002-09-06 | 2003-08-06 | 张德庆 | Polymer compression creepmeter |
| CN101074912A (en) * | 2007-06-06 | 2007-11-21 | 河海大学 | Apparatus and method for testing cement concrete penetration performance under loading action |
| CN104458418A (en) * | 2014-12-15 | 2015-03-25 | 中国矿业大学(北京) | Working face coal wall stability control simulation experiment table and application method |
| CN205192923U (en) * | 2015-12-14 | 2016-04-27 | 榆林学院 | Instrument is appraised to concrete durability under having pressure condition |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801889A (en) * | 2018-05-29 | 2018-11-13 | 江苏苏博特新材料股份有限公司 | A kind of corrosion evaluating device and method of simulating reinforced concrete component composition stress |
| CN108801889B (en) * | 2018-05-29 | 2020-11-17 | 江苏苏博特新材料股份有限公司 | Corrosion evaluation device and method for simulating composite stress of reinforced concrete member |
| CN114112886A (en) * | 2021-12-09 | 2022-03-01 | 长江师范学院 | Concrete corrosion resistance testing device |
| CN114112886B (en) * | 2021-12-09 | 2024-01-26 | 长江师范学院 | Corrosion-resistant testing arrangement of concrete |
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| CN105445176B (en) | 2019-01-15 |
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Granted publication date: 20190115 Termination date: 20191214 |