CN209727575U - A kind of device making geotechnical sample crack - Google Patents
A kind of device making geotechnical sample crack Download PDFInfo
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- CN209727575U CN209727575U CN201920365997.9U CN201920365997U CN209727575U CN 209727575 U CN209727575 U CN 209727575U CN 201920365997 U CN201920365997 U CN 201920365997U CN 209727575 U CN209727575 U CN 209727575U
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- crack
- geotechnical sample
- bearing plate
- sample
- geotechnical
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Abstract
The utility model belongs to field of civil engineering, it is related to a kind of device for making geotechnical sample crack, including the fixed module for fixing geotechnical sample, the pressure break module for processing crack in geotechnical sample one or both ends and for driving pressure break module along the drive module moved towards or away from the direction of geotechnical sample, geotechnical sample is fixed by the fixed module, the pressure break module fits closely the one or both ends that geotechnical sample needs to produce crack, it drives the pressure break module to be moved by the drive module, crack is produced on geotechnical sample.Using the cracked concrete test specimen crack of this programme preparation and practical concrete structure cracking property having the same and shape.Utility model device is simple, easy to operate, basic not have to maintenance; it can preferably prevent fragment in concrete sample pressurized process from splashing; Protection personnel safety can be widely applied in the preparation of concrete sample crack, be provided the foundation to study the mechanical characteristic of cracked concrete.
Description
Technical field
The utility model belongs to field of civil engineering, is related to a kind of device for making geotechnical sample crack.
Background technique
Concrete material has many advantages, such as that from a wealth of sources, construction technology is simple, has higher intensity, durability, therefore mixed
Solidifying soil material is widely used in engineering construction.But concrete structure can be because of temperature, contraction, vibration in the construction stage
Smashing the factors such as not in place causes structure to generate crack.Equally in service stage, due to uneven settlement of foundation, hydraulic pressure, fire, touch
The external factor such as hitting causes structure to generate crack again.So most of concrete structure be not ideally uniformly,
Continuously.Currently, being in after crack occurs how to repair generation for the research in most of cracks in bridge structure, tunnel structure
Crack, it is deep there is no the mechanical property that the concrete sample for passing through default crack studies the concrete material under cracking state
Enter to study concrete structure crack preparation equipment to have a very important significance.
It is found by being retrieved to existing technical literature, although having the patent text of the device in production concrete sample crack
It offers, is only extended mostly by computer simulation technique simulation concrete crack, do not prepare solid concrete test block mould
It is quasi-；Or its structure is too simple and cannot make fine crack, and bottom screw is not capable of fixing in pressurized process, and position easily occurs
Set offset；Or its operation is excessively complicated, production distress in concrete effect is general.
Currently, the method in production concrete sample crack mainly has: prefabricated crack method, splitting cracking method and curved pulling open the method for splitting
Three kinds of methods.The thin slice of thickness required for prefabricated crack needs to be previously inserted when casting concrete test specimen, the crack mistake generated
In smooth, the practical failure mode of concrete can not be reacted；Curved pull open is split when needing casting concrete, makes tensile region shape by load
At crack and it is difficult to control；This experiment overcomes test specimen by precast concrete test block and splitting cutter using splitting cracking method
The excessively smooth problem in crack, and do not need to be further applied load during the experiment, to ensure that the precision and simplicity of experiment
Property, it is consistent with actual conditions cracking situation.
Utility model content
In view of this, being mainly used for the purpose of this utility model is to provide a kind of device for making geotechnical sample crack
The crack for making concrete sample provides a kind of device that is simpler, conveniently, accurately making concrete sample crack.
In order to achieve the above objectives, the utility model provides the following technical solutions:
A kind of device making geotechnical sample crack, including for fixing geotechnical sample fixed module, in geotechnique
Sample one or both ends process the pressure break module in crack and for driving pressure break module edge towards or away from the side of geotechnical sample
To the drive module of movement, geotechnical sample is fixed by the fixed module, and the pressure break module fits closely geotechnical sample
The one or both ends for needing to produce crack drive the pressure break module to be moved, on geotechnical sample by the drive module
Produce crack.
Optionally, the fixed module includes setting up separately in geotechnical sample two sides and the limit plate that is oppositely arranged, all limits
Plate surrounds the surge bunker for accommodating geotechnical sample jointly；One of limit plate or all limit plates are along towards or away from geotechnique
The direction of sample moves, and adjusts the size of the surge bunker.
Optionally, the fixed module includes the fixed plate of fixed setting, and the fixed plate matches with the limit plate；
The fixed plate is bolted matched limit plate by adjusting；By adjusting the adjusting bolt in limit plate and admittedly
The size of the distance between fixed board adjustment surge bunker.
Optionally, the pressure break module includes in the first bearing plate and the second bearing plate being oppositely arranged；The fixation
First bearing plate is arranged in towards on the side of second bearing plate in module；It further include being arranged in second bearing plate
The first cutter towards on the side of first bearing plate.
It optionally, further include that first bearing plate is set towards on the side of second bearing plate and position and institute
State the second cutter that the first cutter matches.
Optionally, first cutter and second cutter is triangular in shape and first cutter and second knife
The tip of tool is opposite.
Optionally, the drive module includes running through the column being arranged between the first bearing plate and the second bearing plate, with
And Flexible element on column and fixed by the first bearing plate and the second bearing plate is set；Pass through the telescopic adjustment of Flexible element
The distance between first bearing plate and the second bearing plate.
Optionally, the Flexible element is helical spring.
Optionally, further include limited post for limiting the first tool position；The limited post is arranged in the first bearing plate
Towards on the side of second bearing plate.
Optionally, scale is additionally provided on the limited post.
Optionally, there are two the limited post is set, set up separately at the both ends of the first bearing plate.
Optionally, the limited post includes with graduated cylinder and being used to support the foundation of cylinder, and the foundation is remote
Side from the cylinder is fixedly connected with first bearing plate.
Optionally, the column extension is arranged on foundation.
The utility model has the beneficial effects that:
The utility model steadily can prepare crack on small-size concrete test specimen.Using opening for the utility model preparation
It splits concrete sample crack and practical concrete structure cracking is of similar shape and path.Utility model device energy simultaneously
Guarantee that the distress in concrete of preparation is located at test specimen middle position, does not shift to two sides.And the adjustable limit of the utility model
The height of position column goes control splitting depth, to control the fracture width of concrete sample, precisely control can be needed according to experiment
The width in concrete sample crack processed.In addition utility model device is simple, easy to operate, basic not have to maintenance, can prevent from mixing
Fragment splashes in solidifying soil test specimen pressurized process, and Protection personnel safety can be widely applied to the preparation of concrete sample crack
In, it provides the foundation to study the durability of cracked concrete.
Other advantages, target and feature of the utility model will be explained in the following description to a certain extent
It states, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from the practice of the utility model.The target of the utility model and other advantages can be said by following
Bright book is achieved and obtained.
Detailed description of the invention
It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer
It is novel to be preferably described in detail, in which:
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the second visual angle schematic diagram of the utility model；
Fig. 3 is the structural schematic diagram of limited post.
Specific embodiment
Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.It should be noted that institute in following embodiment
The diagram of offer only illustrates the basic conception of the utility model in a schematic way, in the absence of conflict, following embodiment and
Feature in embodiment can be combined with each other.
Wherein, the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this
The limitation of utility model；In order to better illustrate the utility model embodiment, the certain components of attached drawing have omission, amplification or contracting
It is small, do not represent the size of actual product；It will be understood by those skilled in the art that certain known features and its explanation may in attached drawing
Omission will be understood by.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；It is practical at this
In novel description, it is to be understood that if having the instructions such as term " on ", "lower", "left", "right", "front", "rear" orientation or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
The terms describing the positional relationship in the drawings are only for illustration for this, should not be understood as limiting the present invention, for
For those skilled in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
Fig. 1-Fig. 3 is please referred to, the element numbers in attached drawing respectively indicate: the first cutter 11, fixed plate 12, the second cutter
13, surge bunker 14, adjusting bolt 15, the second bearing plate 21, the first bearing plate 22, column 23, helical spring 24, cylinder 31, bottom
Column 32.
The utility model relates to a kind of devices for making geotechnical sample crack, including the stent for fixing geotechnical sample
Block, for geotechnical sample one or both ends processing crack pressure break module and for drive pressure break module along towards or it is remote
The drive module of direction movement from geotechnical sample, geotechnical sample are fixed by the fixed module, and the pressure break module is tight
The closely connected one or both ends closed geotechnical sample and need to produce crack, drive the pressure break module to be transported by the drive module
It is dynamic, crack is produced on geotechnical sample.
Optionally, the fixed module includes setting up separately in geotechnical sample two sides and the limit plate that is oppositely arranged, all limits
Plate surrounds the surge bunker 14 for accommodating geotechnical sample jointly；One of limit plate or all limit plates are along towards or away from soil
The direction of work sample moves, and adjusts the size of the surge bunker 14；The fixed module includes the fixed plate 12 of fixed setting, institute
Fixed plate 12 is stated to match with the limit plate；The fixed plate 12 connects matched limit by adjusting bolt 15
Plate；The size of surge bunker 14 is adjusted at a distance from limit plate is between fixed plate 12 by adjusting the adjusting bolt 15.
Optionally, the pressure break module includes in the first bearing plate 22 and the second bearing plate 21 being oppositely arranged；It is described
First bearing plate 22 is arranged in towards on the side of second bearing plate 21 in fixed module；It further include setting described the
Two bearing plates 21 are towards the first cutter 11 on the side of first bearing plate 22；It further include being arranged in first bearing plate
22 the second cutters 13 to match towards on the side of second bearing plate 21 and position and first cutter 11；Described
One cutter 11, first cutter 11 triangular in shape and described with second cutter 13 is opposite with the tip of second cutter 13；
The drive module includes standing through the column 23 being arranged between the first bearing plate 22 and the second bearing plate 21, and setting
The Flexible element fixed on column 23 and by the first bearing plate 22 and the second bearing plate 21；Pass through the telescopic adjustment first of Flexible element
The distance between bearing plate 22 and the second bearing plate 21；The Flexible element is helical spring 24.
In the present embodiment, further include limited post for limiting 11 position of the first cutter；Limited post setting is the
One bearing plate 22 is towards on the side of second bearing plate 21；Scale is additionally provided on the limited post；The limited post is equipped with
Two, set up separately at the both ends of the first bearing plate 22；The limited post includes with graduated cylinder 31 and being used to support cylinder
31 foundation 32, side of the foundation 32 far from the cylinder 31 are fixedly connected with first bearing plate 22；The cylinder
31 flexible settings are on foundation 32.
In the present embodiment, the first bearing plate 22, the second bearing plate 21 thickness be 20mm, be fixed on the first bearing plate
The diameter of column 23 on 22 be 15mm, the first bearing plate 22, the second bearing plate 21 surrounding remain in advance across column 23
Circular hole diameter is 16mm, the first cutter 11 with a thickness of 1mm, the second cutter 13 with a thickness of 2mm, two limited posts it is straight
Diameter is 10mm, and the limit for being only used as the first cutter 11 is used, and scale is equipped on limited post, for determining the first cutter 11
Cleave depth.
Make geotechnical sample crack device application method the following steps are included:
1) concrete sample is placed on the second cutter 13, the size of surge bunker 14 is adjusted by adjusting bolt 15, it is described
It is also provided with spring between fixed plate 12 and limit plate, spring is compressed or put by adjusting the adjustment of bolt 15 position
Pine, reduces or expanding surge bunker 14 fixes geotechnical sample, to guarantee to stablize that smooth, front and back side is steady when geotechnical sample is pressurized
It is fixed not shake.
2) after geotechnical sample position fixes, the height of the good limited post of the width adjustment in crack as needed will be equipped whole
Body is put into universal testing machine center position, and starting universal testing machine is until crack occurs and stops after reaching requirement, such feelings
Under condition, crack appears in the position that cutter is just corresponding to geotechnical sample.
The utility model steadily can prepare crack on small-size concrete test specimen.Using opening for the utility model preparation
It splits concrete sample crack and practical concrete structure cracking is of similar shape and path.Utility model device energy simultaneously
Guarantee that the distress in concrete of preparation is located at test specimen middle position, does not shift to two sides.And the adjustable limit of the utility model
The height of position column goes control splitting depth, to control the fracture width of concrete sample, precisely control can be needed according to experiment
The width in concrete sample crack processed.In addition utility model device is simple, easy to operate, basic not have to maintenance, can prevent from mixing
Fragment splashes in solidifying soil test specimen pressurized process, and Protection personnel safety can be widely applied to the preparation of concrete sample crack
In, it provides the foundation to study the durability of cracked concrete.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, should all without departing from the objective and range of the technical program
Cover in the scope of the claims of the utility model.
Claims (10)
1. a kind of device for making geotechnical sample crack, it is characterised in that:
Including the fixed module for fixing geotechnical sample, the pressure break mould for processing crack in geotechnical sample one or both ends
Block and for driving pressure break module along the drive module that moves towards or away from the direction of geotechnical sample, geotechnical sample is by institute
It states fixed module to be fixed, the pressure break module fits closely the one or both ends that geotechnical sample needs to produce crack, by institute
Stating drive module drives the pressure break module to be moved, and crack is produced on geotechnical sample.
2. the device in production geotechnical sample crack as described in claim 1, it is characterised in that: the fixed module includes point
The limit plate for being located at geotechnical sample two sides and being oppositely arranged, all limit plates surround the adjusting for accommodating geotechnical sample jointly
Storehouse；One of limit plate or all limit plates adjust the surge bunker along moving towards or away from the direction of geotechnical sample
Size.
3. the device in production geotechnical sample crack as described in claim 2, it is characterised in that: the fixed module includes solid
Surely the fixed plate being arranged, the fixed plate match with the limit plate；The fixed plate is bolted and its phase by adjusting
Matched limit plate；The size of surge bunker is adjusted at a distance from limit plate is between fixed plate by adjusting the adjusting bolt.
4. the device in production geotechnical sample crack as described in claim 1, it is characterised in that: the pressure break module includes being in
The first bearing plate and the second bearing plate being oppositely arranged；Fixed module setting is in first bearing plate towards described the
On the side of two bearing plates；It further include that second bearing plate is set towards the first knife on the side of first bearing plate
Tool.
5. the device in production geotechnical sample crack as described in claim 4, it is characterised in that: further include setting described the
The second cutter that one bearing plate matches towards on the side of second bearing plate and position and first cutter.
6. as described in claim 5 production geotechnical sample crack device, it is characterised in that: first cutter with it is described
Second cutter is triangular in shape and first cutter is opposite with the tip of second cutter.
7. the device in production geotechnical sample crack as described in claim 4, it is characterised in that: the drive module includes passing through
The column set between the first bearing plate and the second bearing plate is worn, and is arranged on column and by the first bearing plate and second
The fixed Flexible element of bearing plate；Pass through the distance between the first bearing plate of telescopic adjustment of Flexible element and second bearing plate.
8. the device in production geotechnical sample crack as described in claim 7, it is characterised in that: the Flexible element is spiral
Spring.
9. the device in production geotechnical sample crack as described in claim 4, it is characterised in that: further include for limiting first
The limited post of tool position；The first bearing plate is arranged in towards on the side of second bearing plate in the limited post.
10. the device in production geotechnical sample crack as described in claim 9, it is characterised in that: also set on the limited post
There is scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920365997.9U CN209727575U (en) | 2019-03-21 | 2019-03-21 | A kind of device making geotechnical sample crack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920365997.9U CN209727575U (en) | 2019-03-21 | 2019-03-21 | A kind of device making geotechnical sample crack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209727575U true CN209727575U (en) | 2019-12-03 |
Family
ID=68687839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920365997.9U Expired - Fee Related CN209727575U (en) | 2019-03-21 | 2019-03-21 | A kind of device making geotechnical sample crack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209727575U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827824A (en) * | 2019-03-21 | 2019-05-31 | 招商局重庆交通科研设计院有限公司 | A kind of device making geotechnical sample crack |
| CN117269423A (en) * | 2023-08-16 | 2023-12-22 | 同济大学 | Device for inducing strike of rock sample fracture and use method |
-
2019
- 2019-03-21 CN CN201920365997.9U patent/CN209727575U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827824A (en) * | 2019-03-21 | 2019-05-31 | 招商局重庆交通科研设计院有限公司 | A kind of device making geotechnical sample crack |
| CN109827824B (en) * | 2019-03-21 | 2024-01-30 | 招商局重庆交通科研设计院有限公司 | Device for manufacturing geotechnical sample cracks |
| CN117269423A (en) * | 2023-08-16 | 2023-12-22 | 同济大学 | Device for inducing strike of rock sample fracture and use method |
| CN117269423B (en) * | 2023-08-16 | 2024-05-10 | 同济大学 | Device for inducing strike of rock sample fracture and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 Termination date: 20210321 |