CN108007757A - A kind of pervious concrete test block form removal auxiliary device and form removal method - Google Patents
A kind of pervious concrete test block form removal auxiliary device and form removal method Download PDFInfo
- Publication number
- CN108007757A CN108007757A CN201711463086.1A CN201711463086A CN108007757A CN 108007757 A CN108007757 A CN 108007757A CN 201711463086 A CN201711463086 A CN 201711463086A CN 108007757 A CN108007757 A CN 108007757A
- Authority
- CN
- China
- Prior art keywords
- die trial
- lid
- form removal
- pervious concrete
- test block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011380 pervious concrete Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 210000001503 joint Anatomy 0.000 claims abstract description 8
- 230000037237 body shape Effects 0.000 claims abstract description 7
- 239000004567 concrete Substances 0.000 claims description 19
- 238000000926 separation method Methods 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002742 anti-folding effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/366—Moulds; Demoulding
Abstract
The invention discloses a kind of pervious concrete test block form removal auxiliary device and form removal method, including lid, sealing strip and attachment device；The lid is provided with the box body shape structure of opening for lower end；The opening of lid lower end is used for the open butt joint with die trial upper end, and the sealing strip is annular in shape, seal of the sealing strip as more than between two openings；When the attachment device is used as two open butt joint above, the connector between lid and die trial.The method is the upper end of closing die trial, by pouring compressed gas into die trial, is separated after die trial expands with test block.Efficient form removal can be carried out to pervious concrete using compressed air using this auxiliary device and method.
Description
Technical field
The present invention relates to concrete works detection device technical field, more particularly to a kind of pervious concrete test block form removal
With auxiliary device and form removal method.
Background technology
Since proposing the theory in construction sponge city with country, dankness type concrete pavement is obtained for throughout the country
More and more applications.In professional standard《Water-permeable cement concrete pavement technique code》Clearly proposed in CJJ/T135-2009
Often it is laid with 100m3One group of resistance to compression test specimen, one group of anti-folding test specimen need to be molded during with the pervious concrete matched, per 500m3Take a sample test one group
Coefficient of permeability test specimen, it is substantial amounts of anti-to be at the same time also required to shaping when laboratory carries out proportion of porous concrete mixture
Pressure, anti-folding, coefficient of permeability test specimen, to detect whether pervious concrete properties meet design requirement.
The form removal of permeable concrete is directed in the prior art, and many laboratories make pervious concrete test block using hammering method
Come off using gravity from die trial, but this mode can not high, multiple-void structure itself the pervious concrete intensity production to intensity
Raw fatal influence, also easily causes corner destruction, is unfavorable for authentic and valid reflecting the performance of test specimen in itself；Also there is laboratory
Test block forming is carried out using steel die trial, this type die trial advantage is detachable, can solve the problems, such as that form removal is difficult, but is used
Such a die trial dismantlement work requires a great deal of time, substantial amounts of saturating especially with the fully under way of sponge urban construction
Water coagulation soil test specimen needs to carry out form removal, is unfavorable for efficiently carrying out the work using such a method.
It is therefore desirable to invent a kind of auxiliary device, solve the problems, such as that pervious concrete test block form removal is difficult, be laboratory
Efficient carry out the work establishes solid foundation.
The content of the invention
It is necessary to invent a kind of auxiliary device for set forth above, solves asking for pervious concrete test block form removal difficulty
Topic, efficiently carries out the work the problem of establishing solid foundation, the present invention provides a kind of pervious concrete test block for laboratory
Form removal auxiliary device and form removal method, using this auxiliary device and form removal method can utilize compressed air to pervious concrete into
The efficient form removal of row.
A kind of pervious concrete test block form removal auxiliary device, including lid, sealing strip and attachment device；
The lid is provided with the box body shape structure of opening for lower end；
The opening of lid lower end is used for open butt joint with die trial upper end, and the sealing strip is annular in shape, sealing strip be used as with
Seal between upper two opening；
When the attachment device is used as two open butt joint above, the connector between lid and die trial.
Pervious concrete is different from conventional concrete, due to having hole between its aggregate, is carrying out pervious concrete examination
During block form removal, no image of Buddha normal concrete equally carries out form removal using air compressor to pervious concrete：Normal concrete profit
The principle that form removal is carried out with air compressor is due to that the forced draft that air compressor gas nozzle sprays is tried in concrete and die trial
Air pressure is produced in small space between part promotes concrete test block to move out so that concrete departs from die trial.
In the present solution, include lid, sealing strip and attachment device by being arranged to the present apparatus, in the present apparatus in use, head
First lid is fastened in the opening of die trial, while causes sealing strip to be held in the openend end face and die trial openend of lid
Between end face, the connection of lid and die trial is then completed by attachment device, and ensures that sealing strip is subject to enough clampings to try hard to keep
Card seals lid and the joint face of both die trials.In this way, upset lid and the connector of die trial, pass through die trial bottom
Inflating port pours compressed air into connector, and connector is at this time equivalent to for internal pressure vessel, since existing die trial is generally moulded
Expect material, in this way, using die trial be easy to expansion characteristic, in connector internal pressure increase during connector bulk expansion or
Only die trial significantly expands, and above expansion eliminates the adhesion of pervious concrete and die trial, reaches and is quickly torn open using compressed air realization
The purpose of mould.
In the present solution, it is in box body shape structure to be arranged to lid, the pervious concrete in die trial relative to die trial opening
When holding evagination, the pervious concrete of protrusion die trial is accommodated using the accommodation space on lid, realizes the present apparatus to examination to facilitate
The sealing of mould opening；As those skilled in the art, existing die trial, can be as needed with upper cover body due to different, sets
For cylindrical or polygon prism shape.
Preferably, for convenience of the manufacture of lid, can be adopted with upper cover body it is made of plastic so that not only light-weight, together
When manufacture cost it is low；As a kind of integrated design, it may be configured as the sealing strip and be fixed on the openend end face of lid, such as
By the mode such as being bonded, being clamped, to achieve the purpose that efficiently to realize that lid is assembled with die trial.
As those skilled in the art, to realize die trial and the connection of lid while that sealing strip is obtained is enough
Sealing deformation, above attachment device can use anchor ear, bolt, other kinds of fixture etc..
Further technical solution is：
After completing to form removal by compressed air, pressure release quickly is carried out to the connector to realize, further includes setting
In the relief hole on lid, the inside and outside both sides of the relief hole connection lid, the relief hole is used to connect relief valve.We
Case sets relief hole on lid, also using the relief hole, by the way that inflation is repeated into connector, deflates, with
Die trial expands repeatedly, spring back during, realize the separation of pervious concrete and die trial.It is repeated and fills into connector above
Gas, the scheme deflated, especially suitable for die trial, swell increment is few when by internal pressure, and if die trial is metal test mould, or die trial is held in itself
The low operating mode of pressure energy power.
As the specific implementation of sealing strip, the sealing strip is sealing joint strip.
Realize that die trial is connected and separated with the quick of lid for convenience, the lower end of the lid is additionally provided with relative to lid
Outside evagination journal stirrup；
The journal stirrup is any one in the following manner：
Journal stirrup is multiple, and multiple journal stirrups are around the split ring cloth of lid；
The journal stirrup is annular in shape, opening of the journal stirrup around lid.Using this programme, set using at the aperture position of die trial
Contiguous block corresponding with lid upper journal is put, when progress die trial is connected with lid, connecting lugs and contiguous block, are carrying out
When die trial is separated with lid, separation journal stirrup and contiguous block, using this programme, can not only reduce the size of attachment device, subtract
Operation difficulty when small die trial is connected and separated with lid.Convenient realize is rapidly completed die trial and the assembling of lid and tears open at the same time
From.
As the specific implementation of attachment device, the attachment device is active grab.
Since when the present apparatus works, lid is a part for internal pressure vessel, to enable lid that there is larger hold
Pressure energy power, is arranged to：The lid includes side wall and top surface, and the corner in the side wall is arc-shaped angle, described
The joint face of side wall and top surface is arc surface.
Further include for the backing plate installed in die trial bottom, the backing plate is when in use as pervious concrete bottom surface and examination
The partition plate of mould bottom surface between the two.In the present solution, when making test block, the backing plate is placed in the bottom of die trial first,
When needing to carry out form removal, compressed air is passed through by the air inlet of die trial bottom, one can be obtained between die trial bottom and backing plate
Pressure chamber, when the internal pressure of pressure above chamber is more than the pressure above backing plate, backing plate can provide pushing away away from die trial bottom for test block
Power, so as to reach form removal purpose.And those skilled in the art are used as, it is salable between backing plate and die trial side also to have leakage
Passage, in sealing, can obtain the pressure chamber all the time, and when with leakage path, air inlet is entered according to compressed air
The size of implication stream also can obtain the pressure chamber.And in practical operation, to cause backing plate and the good sealing in die trial side
It is operationally more difficult, therefore this backing plate, in the case where form removal can be achieved by backing plate, is not required to as a kind of ancillary method
Want die trial above backing plate that the i.e. achievable form removal of inner-pressure expansion occurs, air supply needed for such a situation is low, while can be efficiently real
Existing form removal；Because leaking larger between backing plate and die trial side, pressure chamber is caused quickly to obtain more than top cavity
During pressure, inner-pressure expansion is occurred by die trial and realizes form removal.The backing plate can use steel plate of the thickness for 0.5-1mm, can also adopt
Macromolecule plate for being 0.5-1mm with thickness etc., in this way, the size of test block can be avoided influencing.
Meanwhile this programme also discloses a kind of pervious concrete test block form removal method, using lid and sealing strip closing examination
The openend of mould, compressed gas is poured by the inflating port in die trial to the inside of die trial, and deformation is expanded by die trial, complete
Into pervious concrete test block and the separation of die trial.Above method completes test block application method separated with die trial for described device,
In this method, outside pressure is provided to the inside of die trial by compressed gas, is separated after die trial expansion with the test block in it.
Further technical solution as the method：
Behind closing die trial openend and before compressed gas is poured, inversion process is further included, the inversion process is
Overturn die trial so that lid is located at the lower section of die trial.Using this method, the convenient separation situation for obtaining test block and die trial：Test block
When being fallen down under dead weight, it can determine that and efficiently separated for die trial and test block.
It is described pour compressed gas concrete scheme be：The internal pressure discharged after compressed gas in die trial is blasted into die trial,
Repetition blasts compressed gas and discharges the internal pressure in die trial until pervious concrete test block is separated with die trial.This programme is repeatedly to examination
Mould is inflated, deflates, and during expanding, spring back repeatedly in die trial, realizes the separation of pervious concrete test block and die trial.
Swell increment when by internal pressure is few especially suitable for die trial for this programme, and if die trial is metal test mould, or die trial bearing capacity itself is low
Operating mode.
The invention has the advantages that：
In the present solution, include lid, sealing strip and attachment device by being arranged to the present apparatus, in the present apparatus in use, head
First lid is fastened in the opening of die trial, while causes sealing strip to be held in the openend end face and die trial openend of lid
Between end face, the connection of lid and die trial is then completed by attachment device, and ensures that sealing strip is subject to enough clampings to try hard to keep
Card seals lid and the joint face of both die trials.In this way, upset lid and the connector of die trial, pass through die trial bottom
Inflating port pours compressed air into connector, and connector is at this time equivalent to for internal pressure vessel, since existing die trial is generally moulded
Expect material, in this way, using die trial be easy to expansion characteristic, in connector internal pressure increase during connector bulk expansion or
Only die trial significantly expands, and above expansion eliminates the adhesion of pervious concrete and die trial, reaches and is quickly torn open using compressed air realization
The purpose of mould.
In the present solution, it is in box body shape structure to be arranged to lid, the pervious concrete in die trial relative to die trial opening
When holding evagination, the pervious concrete of protrusion die trial is accommodated using the accommodation space on lid, realizes the present apparatus to examination to facilitate
The sealing of mould opening.
Brief description of the drawings
Fig. 1 is a kind of one specific embodiment of pervious concrete test block form removal auxiliary device of the present invention and die trial
The structure diagram of the connector formed.
Numbering in figure is followed successively by：1st, die trial, 2, lid, 3, relief valve, 4, attachment device, 5, sealing strip, 6, journal stirrup.
Embodiment
With reference to embodiment, the present invention is described in further detail, but the present invention structure be not limited only to it is following
Embodiment.
Embodiment 1：
As shown in Figure 1, a kind of pervious concrete test block form removal auxiliary device, including lid 2, sealing strip 5 and connection dress
Put 4；
The lid 2 is provided with the box body shape structure of opening for lower end；
The opening of 2 lower end of lid is used for the open butt joint with 1 upper end of die trial, and the sealing strip 5 is annular in shape, and sealing strip 5 is made
Seal for more than between two openings；
When the attachment device 4 is used as two open butt joint above, the connector between lid 2 and die trial 1.
Pervious concrete is different from conventional concrete, due to having hole between its aggregate, is carrying out pervious concrete examination
During block form removal, no image of Buddha normal concrete equally carries out form removal using air compressor to pervious concrete：Normal concrete profit
The principle that form removal is carried out with air compressor is due to that the forced draft that air compressor gas nozzle sprays is tried in concrete and die trial 1
Air pressure is produced in small space between part promotes concrete test block to move out so that concrete departs from die trial 1.
In the present solution, include lid 2, sealing strip 5 and attachment device 4 by being arranged to the present apparatus, in the present apparatus in use,
Lid 2 is fastened in the opening of die trial 1 first, while causes sealing strip 5 to be held in openend end face and the die trial of lid 2
Between 1 openend end face, lid 2 and the connection of die trial 1 are then completed by attachment device 4, and ensure that sealing strip 5 is subject to enough
Clamping force ensure to seal the joint face of both lid 2 and die trial 1.In this way, upset lid 2 and the connector of die trial 1,
Compressed air is poured into connector by the inflating port of 1 bottom of die trial, connector is at this time equivalent to for internal pressure vessel, due to existing
There is die trial 1 to be generally plastic material, in this way, being easy to the characteristic of expansion using die trial 1, in connector during internal pressure increase
Connector bulk expansion or only die trial 1 significantly expand, and above expansion eliminates pervious concrete and the adhesion of die trial 1, reaches utilization
Compressed air realizes the purpose of quick form removal.
In the present solution, it is in box body shape structure to be arranged to lid 2, pervious concrete the opening relative to die trial 1 in die trial 1
During mouth end evagination, the pervious concrete of protrusion die trial 1 is accommodated using the accommodation space on lid 2, the present apparatus is realized to facilitate
The sealing being open to die trial 1；As those skilled in the art, existing die trial 1, can be according to need with upper cover body 2 due to different
Will, it is arranged to cylindrical or polygon prism shape.
Preferably, for convenience of lid 2 manufacture, can be adopted with upper cover body 2 it is made of plastic so that the present apparatus not only weighs
Amount is light, while it is low to manufacture cost；As a kind of integrated design, the openend that the sealing strip 5 is fixed on lid 2 may be configured as
On end face, such as by being bonded, being clamped mode, to achieve the purpose that efficiently to realize that lid 2 is assembled with die trial 1.
As those skilled in the art, to realize the connection of die trial 1 and lid 2 while enable sealing strip 5 to obtain foot
Enough sealing deformations, above attachment device 4 can use anchor ear, bolt, other kinds of fixture etc..
Embodiment 2：
As shown in Figure 1, the present embodiment is further qualified on the basis of embodiment 1：Passing through compressed air completion pair
After form removal, pressure release quickly is carried out to the connector to realize, further includes the relief hole being arranged on lid 2, the relief hole
The inside and outside both sides of lid 2 are connected, the relief hole is used to connect relief valve 3.This programme sets relief hole on lid 2, also may be used
Using the relief hole, by the way that inflation is repeated into connector, deflates, with the process for expanding, springing back repeatedly in die trial 1
In, realize the separation of pervious concrete and die trial 1.Inflation, the scheme deflated is repeated into connector above, it is particularly suitable
In die trial 1, swell increment is few when by internal pressure, if die trial 1 is metal test mould 1, or the operating mode that the bearing capacity of die trial 1 itself is low.
As the specific implementation of sealing strip 5, the sealing strip 5 is sealing joint strip.
Realize that the quick of die trial 1 and lid 2 connects and separate for convenience, the lower end of the lid 2 be additionally provided with relative to
The journal stirrup 6 of the outside evagination of lid 2；
The journal stirrup 6 is any one in the following manner：
Journal stirrup 6 is multiple, and multiple journal stirrups 6 are around the split ring cloth of lid 2；
The journal stirrup 6 is annular in shape, opening of the journal stirrup 6 around lid 2.Using this programme, using the aperture position in die trial 1
Place's setting and 2 upper journal of lid, 6 corresponding contiguous block, when progress die trial 1 is connected with lid 2, connecting lugs 6 are with contiguous block
Can, when progress die trial 1 is separated with lid 2, separation journal stirrup 6 and contiguous block, using this programme, can not only reduce connection dress
4 size is put, reduces operation difficulty when die trial 1 is connected and separated with lid 2.At the same time facilitate realization be rapidly completed die trial 1 with
The assembling of lid 2 and separate.
As the specific implementation of attachment device 4, the attachment device 4 is active grab.
It is larger to enable lid 2 to have since when the present apparatus works, lid 2 is a part for internal pressure vessel
Bearing capacity, is arranged to：The lid 2 includes side wall and top surface, and the corner in the side wall is arc-shaped angle, institute
The joint face for stating side wall and top surface is arc surface.
Above content is to combine the further description that specific preferred embodiment makees the present invention, it is impossible to assert this
The embodiment of invention is confined to these explanations.For general technical staff of the technical field of the invention,
The other embodiment drawn in the case where not departing from technical scheme, should be included within the scope of the present invention.
Claims (10)
1. a kind of pervious concrete test block form removal auxiliary device, it is characterised in that including lid (2), sealing strip (5) and connection
Device (4)；
The lid (2) is provided with the box body shape structure of opening for lower end；
The opening of lid (2) lower end is used for open butt joint with die trial (1) upper end, the sealing strip (5) annularly, sealing strip
(5) seal as more than between two openings；
When the attachment device (4) is used as two open butt joint above, the connector between lid (2) and die trial (1).
2. a kind of pervious concrete test block form removal auxiliary device according to claim 1, it is characterised in that further include and set
The relief hole being placed on lid (2), the inside and outside both sides of the relief hole connection lid (2), the relief hole are used to connect pressure release
Valve (3).
A kind of 3. pervious concrete test block form removal auxiliary device according to claim 1, it is characterised in that the sealing
Bar (5) is sealing joint strip.
A kind of 4. pervious concrete test block form removal auxiliary device according to claim 1, it is characterised in that the lid
(2) lower end is additionally provided with the journal stirrup (6) relative to the outside evagination of lid (2)；
The journal stirrup (6) is any one in the following manner：
Journal stirrup (6) is multiple, and multiple journal stirrups (6) are around the split ring cloth of lid (2)；
Annularly, journal stirrup (6) surround the opening of lid (2) to the journal stirrup (6).
A kind of 5. pervious concrete test block form removal auxiliary device according to claim 4, it is characterised in that the connection
Device (4) is active grab.
6. a kind of pervious concrete test block form removal auxiliary device as claimed in any of claims 1 to 5, its feature
It is, the lid (2) includes side wall and top surface, and the corner in the side wall is arc-shaped angle, the side wall
Joint face with top surface is arc surface.
7. a kind of pervious concrete test block form removal auxiliary device as claimed in any of claims 1 to 5, its feature
It is, further includes for the backing plate installed in die trial (1) bottom, the backing plate is when in use as pervious concrete bottom surface and examination
The partition plate of mould (1) bottom surface between the two.
A kind of 8. pervious concrete test block form removal method, it is characterised in that using lid (2) and sealing strip (5) closing die trial (1)
Openend, compressed gas is poured by the inside of the inflating port in die trial (1) to die trial (1), is expanded by die trial (1)
Deformation, completes the separation of pervious concrete test block and die trial (1).
9. a kind of pervious concrete test block form removal method according to claim 8, it is characterised in that in closing die trial (1)
Behind openend and before compressed gas is poured, inversion process is further included, the inversion process is upset die trial (1) so that lid
Body (2) is located at the lower section of die trial (1).
10. a kind of pervious concrete test block form removal method according to claim 8, it is characterised in that described to pour compression
The concrete scheme of gas is：To the internal pressure that discharges after compressed gas in die trial (1) is blasted in die trial (1), repetition blasts compressed gas
Internal pressure in body and release die trial (1) is until pervious concrete test block is separated with die trial (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711463086.1A CN108007757A (en) | 2017-12-28 | 2017-12-28 | A kind of pervious concrete test block form removal auxiliary device and form removal method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711463086.1A CN108007757A (en) | 2017-12-28 | 2017-12-28 | A kind of pervious concrete test block form removal auxiliary device and form removal method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108007757A true CN108007757A (en) | 2018-05-08 |
Family
ID=62062246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711463086.1A Pending CN108007757A (en) | 2017-12-28 | 2017-12-28 | A kind of pervious concrete test block form removal auxiliary device and form removal method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108007757A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2043549U (en) * | 1988-12-23 | 1989-08-30 | 郑汉斌 | Gas-filled stripping device for precast concrete mould |
| JPH09279835A (en) * | 1996-04-10 | 1997-10-28 | Taisei Corp | Demolding method |
| CN204694522U (en) * | 2015-06-18 | 2015-10-07 | 西安科技大学 | A kind of pneumatic type concrete sample stripper apparatus |
| CN204758600U (en) * | 2015-06-01 | 2015-11-11 | 浙江工业大学 | Big mobile concrete form lateral pressure simulating measurement setup |
| CN205404359U (en) * | 2016-03-04 | 2016-07-27 | 南京德阳科技有限公司 | A test block side sealing device for concrete anti -permeability apparatus |
| CN205506500U (en) * | 2016-03-28 | 2016-08-24 | 安徽理工大学 | Cylinder plastics concrete test that anti -Vibration emptys |
| CN206147112U (en) * | 2016-10-21 | 2017-05-03 | 山西省交通科学研究院 | A test piece mould that is used for effective retention rate of curing compound experimental |
| CN206393810U (en) * | 2017-01-13 | 2017-08-11 | 河南理工大学 | A kind of concrete test block stripper apparatus |
| CN207585994U (en) * | 2017-12-28 | 2018-07-06 | 四川中核艾瑞特工程检测有限公司 | A kind of pervious concrete test block form removal auxiliary device |
-
2017
- 2017-12-28 CN CN201711463086.1A patent/CN108007757A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2043549U (en) * | 1988-12-23 | 1989-08-30 | 郑汉斌 | Gas-filled stripping device for precast concrete mould |
| JPH09279835A (en) * | 1996-04-10 | 1997-10-28 | Taisei Corp | Demolding method |
| CN204758600U (en) * | 2015-06-01 | 2015-11-11 | 浙江工业大学 | Big mobile concrete form lateral pressure simulating measurement setup |
| CN204694522U (en) * | 2015-06-18 | 2015-10-07 | 西安科技大学 | A kind of pneumatic type concrete sample stripper apparatus |
| CN205404359U (en) * | 2016-03-04 | 2016-07-27 | 南京德阳科技有限公司 | A test block side sealing device for concrete anti -permeability apparatus |
| CN205506500U (en) * | 2016-03-28 | 2016-08-24 | 安徽理工大学 | Cylinder plastics concrete test that anti -Vibration emptys |
| CN206147112U (en) * | 2016-10-21 | 2017-05-03 | 山西省交通科学研究院 | A test piece mould that is used for effective retention rate of curing compound experimental |
| CN206393810U (en) * | 2017-01-13 | 2017-08-11 | 河南理工大学 | A kind of concrete test block stripper apparatus |
| CN207585994U (en) * | 2017-12-28 | 2018-07-06 | 四川中核艾瑞特工程检测有限公司 | A kind of pervious concrete test block form removal auxiliary device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103630433B (en) | A kind of hollow cylinder cement stabilizing soil sample and curing means and using method | |
| CN106908323B (en) | A kind of rock-like materials Hydraulic fracturing test device and method | |
| CN207585994U (en) | A kind of pervious concrete test block form removal auxiliary device | |
| US3107158A (en) | Method for the manufacture of pipes of concrete having prestressed longitudinal and annular reinforcements | |
| CN108007757A (en) | A kind of pervious concrete test block form removal auxiliary device and form removal method | |
| US6405602B1 (en) | Machine for inspecting ceramic samples by applying compression thereto | |
| CN217738939U (en) | A device for testing concrete joint part waterproof material water-proof effects | |
| JP2584623B2 (en) | Improvement on the method for rapidly molding long concrete molded products | |
| CN207742066U (en) | A kind of concrete impervious testing mold | |
| CN105908886A (en) | Airbag core mold component | |
| CN109339089A (en) | A kind of rim of a cup isolated footing cup core forming method | |
| NO166834B (en) | CLEANING CONTAINER AT CONTAINER. | |
| CN106769339A (en) | Analogue means and application process of the deepwater environment to cement-based material performance impact | |
| CN111650026A (en) | Nondestructive preservation process for granular soil sample | |
| CN106404300A (en) | High-pressure container air tightness detection device | |
| CN211891317U (en) | Concrete test block forming die convenient to drawing of patterns | |
| CN210336367U (en) | Concrete T type roof beam anchor cave shaping rubber mould application device | |
| CN207954408U (en) | A kind of novel semiclosed composite element molding die | |
| CN206601280U (en) | Concrete impervious testing mold | |
| CN205437087U (en) | Vacuum die casting system | |
| CN219837956U (en) | Concrete test block mould | |
| CN207908257U (en) | A kind of test sealing frock | |
| CN208497279U (en) | A kind of aerated capsule core model | |
| CN216247663U (en) | New and old slurry bonding property testing arrangement | |
| CN106808564A (en) | A kind of three word button box beams end-blocking template and box beam end blocking method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |