CN206161476U - Little bioremediation concrete crack and permeability testing arrangement - Google Patents
Little bioremediation concrete crack and permeability testing arrangement Download PDFInfo
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- CN206161476U CN206161476U CN201621197353.6U CN201621197353U CN206161476U CN 206161476 U CN206161476 U CN 206161476U CN 201621197353 U CN201621197353 U CN 201621197353U CN 206161476 U CN206161476 U CN 206161476U
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Abstract
The utility model discloses a little bioremediation concrete crack and permeability testing arrangement, including test cylinder, upper cover and low head, being equipped with flange II in test cylinder's upper end, being equipped with flange III at test cylinder's lower extreme, the internal orifice size of flange III is less than the horizontal section size of the concrete sample place in test cylinder, lower extreme at the upper cover is equipped with flange I, and flange I is connected through bolt I with flange II, is equipped with water valve door I and infiltration sighting tube on the upper cover, be equipped with flange IV in the upper end of low head, flange IV is connected through bolt II with flange III, is equipped with water valve door II and warning pipe on the low head, and the access connection of warning pipe is in the bottom of low head, and the export of warning pipe is higher than the lower edge of concrete sample, is equipped with water valve door III in the export of warning pipe. The utility model discloses an induced calcium carbonate deposition techniques (MICP) of microorganism restores concrete crack and can carry out permeability test to the concrete that reaches after restoreing among the reparative process at any time.
Description
Technical field
The utility model is related to microorganism induction tosca technology, more particularly to a kind of microorganism remediation coagulation soil cracking
Seam and testing permeability device.
Background technology
In water engineering facility, concrete can be because of the reason such as plastic shrinkage, the temperature difference, differential settlement, bearing capacity be excessive
Crack is produced, the surface crack of concrete can accelerate the erosion of concrete, and the deeper clefts of concrete, then can cause structure
Seepage, the stable and safety for affecting structure.Therefore, it is particularly important in time the crack of concrete to be carried out repairing.At present, repair
The method of multiple distress in concrete has a lot, there is surface spraying, crack filling, glued crack etc., instantly, along with biological, chemistry
And multi-disciplinary intersection and the comprehensive development such as ground, a kind of nonhazardous, environmental protection, durable microorganism induction tosca technology
(MICP) novel means that more potentiality solve the problems, such as distress in concrete are become, however, coming in every shape for distress in concrete, mixes
The reason for solidifying soil cracking, is different, and the form of distress in concrete, happening part and distribution situation are different, along with ring residing for crack
The temperature in border, humidity, stress condition are different, and the development in crack is also not quite similar.In the face of complicated distress in concrete, how
Using the microorganism remediation effect of simple efficient means analysis distress in concrete, a stubborn problem is remained.
The content of the invention
The utility model provides a kind of microorganism remediation coagulation soil cracking to solve technical problem present in known technology
Seam and testing permeability device, the device adopts microorganism induction tosca technology (MICP) repairing concrete crack and energy
It is enough at any time testing permeability to be carried out to the concrete in repair process and after reparation.
The utility model is adopted the technical scheme that to solve technical problem present in known technology：A kind of microorganism
Repairing concrete crack and testing permeability device, including test cylinder, upper cover and low head；Set in the upper end of the test cylinder
There is flange II, in the lower end of the test cylinder flange III is provided with, the internal orifice of the flange III is smaller in size than and is seated in the test
The cross sectional dimensions of the concrete sample in cylinder；Flange I, the flange I and the flange are provided with the lower end of the upper cover
II is connected by bolt I, and penstock I and infiltration sighting tube are provided with the upper cover, and the infiltration sighting tube is vertically arranged,
The lower end of the infiltration sighting tube is connected to the top of the upper cover；Flange IV is provided with the upper end of the low head, it is described
Flange IV is connected with the flange III by bolt II, and penstock II and overflow pipe, the spilling water are provided with the low head
The import of pipe is connected to the bottom of the low head, and the outlet of the overflow pipe is overflow higher than the lower edge of concrete sample described
The outlet of water pipe is provided with penstock III.
The height of the infiltration sighting tube is 0.8～1.2m, and the internal diameter of the infiltration sighting tube is 10mm, the overflow pipe
Internal diameter be 10mm.
Sealing silicone gasket I is folded between the flange I and the flange II, in the flange III and the flange
Sealing silicone gasket II is folded between IV.
The utility model has the advantages and positive effects that：1) concrete sample that the utility model is adopted for into
The concrete block with prefabricated crack of type, it is not necessary to carry out additional processing, convenient test is quick, saves the time.2) test dress
Put and mainly formed by pmma material bonding, simple for production, low cost.3) glass is passed through between concrete sample and test cylinder
Glass glue is sealed, and can effectively prevent gap of the water between concrete sample and test cylinder from flowing through, so as to ensure test result
Reliability, accuracy.4) infiltration coefficient that can quickly test in concrete repair process, effectively judges the repairing effect in crack,
The impact that the reagent dosage and specific restorative procedure fracture that in time appearance features in feedback crack, crack are repaired is repaired,
Foundation is provided scientifically to improve bioremediation technology.5) test device can be easy to receive as the bracing frame of crack repair process
The raffinate excluded in collection distress in concrete repair process.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the A-A cut-away views of Fig. 1.
In figure：1st, upper cover, 1-1, flange I, 1-2, infiltration sighting tube, 1-3, penstock I, 2, test cylinder, 2-1, flange
II, 2-2, flange III, 3, low head, 3-1, flange IV, 3-2, overflow pipe, 3-3, penstock II, 3-4, penstock III, 4, bolt
I, 5, sealing silicone gasket I, 6, concrete sample, 6-1, crack, 7, bolt II, 8, sealing silicone gasket II.
Specific embodiment
For the content of the invention of the present utility model, feature and effect can be further appreciated that, following examples are hereby enumerated, and coordinated
Accompanying drawing describes in detail as follows：
Refer to Fig. 1～Fig. 2, a kind of microorganism remediation distress in concrete and testing permeability device, including test cylinder 2,
Upper cover 1 and low head 3；The 2-1 of flange II is provided with the upper end of the test cylinder 2, in the lower end of the test cylinder 2 flange is provided with
III 2-2, the internal orifice of the 2-2 of the flange III is smaller in size than the cross section chi of the concrete sample 6 being seated in the test cylinder 2
It is very little；The 1-1 of flange I is provided with the lower end of the upper cover 1, the 1-1 of the flange I is connected with the 2-1 of the flange II by bolt I 4,
The 1-3 of penstock I and infiltration sighting tube 1-2 is provided with the upper cover 1, the infiltration sighting tube 1-2 is vertically arranged, described to ooze
Thoroughly the lower end of sighting tube 1-2 is connected to the top of the upper cover 1；The 3-1 of flange IV, institute are provided with the upper end of the low head 3
State the 3-1 of flange IV to be connected by bolt II 7 with the 2-2 of the flange III, the 3-3 of penstock II is provided with the low head 3 and is overflow
The import of water pipe 3-2, the overflow pipe 3-2 is connected to the bottom of the low head 3, and the outlet of the overflow pipe 3-2 is higher than mixed
The lower edge of solidifying soil test specimen 6, is provided with the 3-4 of penstock III in the outlet of the overflow pipe 3-2.
Using method of the present utility model：
1) test cylinder 2 is placed on horizontally disposed testing stand, concrete sample 6 is placed on into the test cylinder 2
Inside, is formed with the crack 6-1 for running through up and down on the concrete sample 6.
2) sealing of the concrete sample 6 is fixed in the test cylinder 2 using glass cement.
3) the crack 6-1 on the concrete sample 6 is repaired using microorganism induction tosca technology.
4) permeability of the concrete sample 6 is tested in the repair process of crack or after crack is repaired：
4.1) upper cover 1 and low head 3 are connected on the test cylinder 2 and form pervasion test device.
4.2) 1-3 of the penstock I and 3-3 of the penstock II, the water-filling in pervasion test device, until described are opened
Water is full of in the overflow pipe 3-2 and infiltration sighting tube 1-2, the 1-3 of the penstock I and 3-3 of the penstock II is closed.
4.3) at least 6 hours are stood.
4.4) 1-3 of the penstock I is again turned on to water-filling in the pervasion test device, until water is seen from the infiltration
Overflow in test tube 1-2, close the 1-3 of penstock I, open the 3-4 of penstock III, start to clock and observe now described oozing
The water surface elevation h of saturating sighting tube 1-20, duration t is permeated through one, the water surface elevation of the infiltration sighting tube 1-2 is observed again
h1。
4.5) infiltration coefficient of the concrete sample is calculated using below equation：
K is the infiltration coefficient (cm/s) of concrete sample, and A ' is the cross-sectional area for permeating sighting tube
(cm2), A is the cross-sectional area (cm of concrete sample2), h0And h1The starting point that clocks respectively and the terminal infiltration sighting tube that clocks
Water surface elevation (cm), L is the thickness (cm) of concrete sample, and t is infiltration duration (s).
In the present embodiment, for the ease of observation, the test cylinder 2, the upper cover 1 and the low head 3 are adopted
With made by lucite.The height of the infiltration sighting tube 1-2 is 0.8～1.2m, and the internal diameter of the infiltration sighting tube 1-2 is
The internal diameter of 10mm, the overflow pipe 3-2 is 10mm.Sealed silicon is folded between the 1-1 of the flange I and the 2-1 of the flange II
Rubber gasket I 5, is folded with sealing silicone gasket II 8, to ensure upper cover between the 2-2 of the flange III and the 3-1 of the flange IV
Sealing reliability between 1 and low head 3 and test cylinder 2.
Although being described to preferred embodiment of the present utility model above in conjunction with accompanying drawing, the utility model is not
Above-mentioned specific embodiment is confined to, above-mentioned specific embodiment is only schematic, is not restricted, ability
The those of ordinary skill in domain under enlightenment of the present utility model, without departing from the utility model objective and claimed
Under ambit, many forms can also be made, these are belonged within protection domain of the present utility model.
Claims (3)
1. a kind of microorganism remediation distress in concrete and testing permeability device, it is characterised in that including test cylinder, upper cover and
Low head；Flange II is provided with the upper end of the test cylinder, in the lower end of the test cylinder flange III is provided with, the flange III
Internal orifice is smaller in size than the cross sectional dimensions of the concrete sample being seated in the test cylinder；It is provided with the lower end of the upper cover
Flange I, the flange I is connected with the flange II by bolt I, and penstock I and infiltration observation are provided with the upper cover
Pipe, the infiltration sighting tube is vertically arranged, and the lower end of the infiltration sighting tube is connected to the top of the upper cover；Under described
The upper end of end socket is provided with flange IV, and the flange IV is connected by bolt II with the flange III, is provided with the low head
Penstock II and overflow pipe, the import of the overflow pipe is connected to the bottom of the low head, and the outlet of the overflow pipe is higher than
The lower edge of concrete sample, is provided with penstock III in the outlet of the overflow pipe.
2. microorganism remediation distress in concrete according to claim 1 and testing permeability device, it is characterised in that described
The height of infiltration sighting tube is 0.8～1.2m, and the internal diameter of the infiltration sighting tube is 10mm, and the internal diameter of the overflow pipe is
10mm。
3. microorganism remediation distress in concrete according to claim 1 and testing permeability device, it is characterised in that in institute
State and sealing silicone gasket I is folded between flange I and the flange II, be folded between the flange III and the flange IV
Sealing silicone gasket II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621197353.6U CN206161476U (en) | 2016-11-03 | 2016-11-03 | Little bioremediation concrete crack and permeability testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621197353.6U CN206161476U (en) | 2016-11-03 | 2016-11-03 | Little bioremediation concrete crack and permeability testing arrangement |
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| Publication Number | Publication Date |
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| CN206161476U true CN206161476U (en) | 2017-05-10 |
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ID=58658140
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| CN201621197353.6U Active CN206161476U (en) | 2016-11-03 | 2016-11-03 | Little bioremediation concrete crack and permeability testing arrangement |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459364A (en) * | 2018-10-30 | 2019-03-12 | 河海大学 | A kind of experimental rig and method for reinforcing calcareous coarse-grained soil based on MICP |
| CN110646594A (en) * | 2019-10-18 | 2020-01-03 | 无锡地铁集团有限公司 | Underground structure top crack indoor simulation device based on electrodeposition restoration |
| CN111024692A (en) * | 2019-11-22 | 2020-04-17 | 东南大学 | Method for observing crack repair condition of microorganism self-repairing concrete |
-
2016
- 2016-11-03 CN CN201621197353.6U patent/CN206161476U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459364A (en) * | 2018-10-30 | 2019-03-12 | 河海大学 | A kind of experimental rig and method for reinforcing calcareous coarse-grained soil based on MICP |
| CN109459364B (en) * | 2018-10-30 | 2021-04-09 | 河海大学 | Test device and method for reinforcing calcareous coarse-grained soil based on MICP |
| CN110646594A (en) * | 2019-10-18 | 2020-01-03 | 无锡地铁集团有限公司 | Underground structure top crack indoor simulation device based on electrodeposition restoration |
| CN110646594B (en) * | 2019-10-18 | 2024-05-31 | 无锡地铁集团有限公司 | Underground structure top crack indoor simulation device based on electrodeposition restoration |
| CN111024692A (en) * | 2019-11-22 | 2020-04-17 | 东南大学 | Method for observing crack repair condition of microorganism self-repairing concrete |
| CN111024692B (en) * | 2019-11-22 | 2022-03-08 | 东南大学 | Method for observing crack repair condition of microorganism self-repairing concrete |
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