CN206990551U - Acoustic frequency vibration creeps into slip casting analogue experiment installation - Google Patents
Acoustic frequency vibration creeps into slip casting analogue experiment installation Download PDFInfo
- Publication number
- CN206990551U CN206990551U CN201721010805.XU CN201721010805U CN206990551U CN 206990551 U CN206990551 U CN 206990551U CN 201721010805 U CN201721010805 U CN 201721010805U CN 206990551 U CN206990551 U CN 206990551U
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- CN
- China
- Prior art keywords
- slip casting
- acoustic frequency
- slurries
- frequency vibration
- creeps
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- 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.)
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a kind of acoustic frequency vibration to creep into slip casting analogue experiment installation, including shake table, jar rod, supporting table, fixture, unidirectional quantitative hydraulic device, slurries holder, sand storage case and slip casting drilling tool；Drilling rod is connected with slip casting drilling tool by reducer union, and jar rod is fixed on vibration table surface and supporting table table top by fixture；Sand is filled with the sand storage case, the slip casting drilling tool is embedded in sand；Unidirectional quantitative hydraulic device sucks slurries out of slurries holder and is pumped to slip casting drilling tool.This acoustic frequency vibration drilling slip casting analogue experiment installation can carry out vibrating grouting experiment under different operating modes using suitable vibration source parameter, on the basis of controllable vibration source frequency, grouting pressure, regulate and control drilling rod buried depth, the different geological conditions in simulation scene, progressively each influence factor of slip casting effect is analyzed using control variate method, the relation established between the vibration source parameter of acoustic frequency vibration drilling slip casting and the physicochemical property of sand.
Description
Technical field
It the utility model is related to Geotechnical Engineering field, more particularly to a kind of acoustic frequency vibration drilling slip casting analogue experiment installation.
Background technology
As weak poor strata --- powder fine sand soil common in the construction projects such as underground pipe gallery, subway, tunnel
Layer, because particle diameter is small, loosely organized, stability is poor, therefore its grouting and reinforcing Anti-seeping technology works, and is always what Geotechnical Engineering circle was studied
Focus.In case history at this stage, current grouting process can not highly desirable handle the impervious of fine sand layer and add
Gu problem.In slurries injection process, it is desirable to slurries and, interaction formation fine and close net vein structure compacted mutually by note stratum, and
Crowd in-out effects simultaneously unobvious, or even very faint of traditional grouting process to soft stratum.Bleeding is that traditional slip casting construction method is applied
Notable phenomenon in work, at the construction field (site) sometimes it can be seen that the slip casting of foundation ditch side, a rollover water emit the situation of sand.For Extra-fine sand
Soil layer slip casting, will produce preferable consolidation effect, and slurries have to interaction into the net vein structure of even compact in the earth formation.
Vibrating grouting is intended acting on by the vibratory impulse of engineering machinery, causes the pore water pressure of sand drastically to raise, effectively
Stress and shearing strength reduce rapidly, and then softened zone is generated in Extra-fine sand, in order to which slurries inject.Due to soft in sand body
Change the formation in area, compressional deformation will occur rapidly in the presence of slurry pressure, and then densification, slabbing action occurs, increase slurry
The dilation angle of liquid, the net vein structure of densification is formed, reach the purpose of impervious reinforcing.Passing indoor vibrating grouting experiment, it is real
Proved recipe formula is quite different with actual condition, is not bonded actual conditions, and simply checking thixotropy phenomenon in theory is beneficial to really
Soft stratum slip casting；It is narrower that frequency domain is tested simultaneously, more between 15-40Hz, far below sand intrinsic frequency, thixotropy effect
Do not protrude, it is difficult to the reference value that abundance is provided is promoted for practical engineering application.
Utility model content
For above-mentioned shortcoming and defect of the prior art, the purpose of this utility model is to provide one kind being capable of simulated sound
Frequency vibration creeps into the experimental provision of slip casting.
The purpose of this utility model is achieved through the following technical solutions：
A kind of acoustic frequency vibration creeps into slip casting analogue experiment installation, it is characterised in that including shake table, jar rod, support
Platform, fixture, unidirectional quantitative hydraulic device, slurries holder, sand storage case and slip casting drilling tool；Drilling rod passes through change with grouting drill bit
Drive connector is connected, and jar rod is fixed on vibration table surface and supporting table table top by fixture；The sand storage case is built-in
Sand is filled with, the slip casting drilling tool is embedded in sand；Unidirectional quantitative hydraulic device sucks slurries and pumped out of slurries holder
To grouting drill bit.
Preferably, the operating frequency range of the shake table is 5-2000Hz.
Preferably, there is a cuboid cavity sand storage case front portion, and firm banking is installed in sand storage case bottom,
It is bolted to connection with ground, the rear board of the sand storage case is detachable.
Preferably, two rows circumferentially equally distributed injected hole is provided with the slip casting drilling tool side wall.
Preferably, in addition to grouting pipe, the grouting pipe connect slip casting drilling tool and unidirectional quantitative hydraulic device；Noting
The pressure gauge for monitoring grouting pressure is provided with slurry pipeline and for cutting down the counterbalance valve that slurries fluctuate during slip casting.
Preferably, in addition to pulp-inlet pipe road, the pulp-inlet pipe road connect slurries holder and unidirectional quantitative hydraulic device.
Preferably, in addition to blast pipe, the blast pipe connects with the exhaust outlet of unidirectional quantitative hydraulic device, in list
The gas in unidirectional quantitative hydraulic device is emptied when starting to quantitative hydraulic device.
Preferably, in addition to filter, the filter are arranged at one end that pulp-inlet pipe road is located in slurries holder, use
Enter unidirectional quantitative hydraulic device in preventing the solid phase impurity in slurries.
Preferably, in the shake table vibration processes, vibration table surface and supporting table table top axially carry out past along drilling rod
Multiplex vibration.
Preferably, connected between the drilling rods at different levels of the jar rod by joint.
Compared with prior art, the utility model embodiment at least has advantages below：
This acoustic frequency vibration drilling slip casting analogue experiment installation operating frequency range can freely convert in the range of 5-2000Hz,
Freely regulate and control for vibration source characteristic and grouting pressure can be achieved, various size gradings can be directed to and test sandy soils progress different condition
Under vibrating grouting experiment, ground adaptability is wide.Experimental provision regulates and controls drilling rod on the basis of controllable vibration source frequency, grouting pressure
Buried depth, the different geological conditions in simulation scene, is progressively analyzed each influence factor of slip casting effect using control variate method,
The relation established between the vibration source parameter of acoustic frequency vibration drilling slip casting and the physicochemical property of sand.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram that the utility model acoustic frequency vibration creeps into slip casting analogue experiment installation；
Fig. 2 is the side structure schematic view that the utility model acoustic frequency vibration creeps into slip casting analogue experiment installation；
Fig. 3 is the structural representation for the slip casting drilling tool that the utility model acoustic frequency vibration creeps into slip casting analogue experiment installation.
Embodiment
With reference to embodiment and its accompanying drawing, the utility model is described in further detail, and following examples are descriptive
, it is not limited, it is impossible to which the scope of protection of the utility model is limited with this.
As depicted in figs. 1 and 2, Fig. 1 shows a kind of acoustic frequency vibration drilling slip casting analogue experiment installation, it is characterised in that
Including shake table 1, jar rod 2, supporting table 3, fixture 4, unidirectional quantitative hydraulic device 7, slurries holder 8, sand storage case 9
With slip casting drilling tool 10；Drilling rod is connected with slip casting drilling tool 10 by reducer union 21, and jar rod 2 is fixed on vibration by fixture 4
On platform table top 18 and the table top of supporting table 3, connected between the drilling rods at different levels of the jar rod 2 by joint 22；The sand holds
Receive and be filled with sand in case 9, the slip casting drilling tool 10 is embedded in sand；Unidirectional quantitative hydraulic device 7 is inhaled out of slurries holder 8
Enter slurries and be pumped to slip casting drilling tool 10.
The shake table 1 is used as vibration source, when can provide different frequency and the exciting force of size, and can control vibration
Between, for simulating influence of the different vibration source characteristics to Extra-fine sand grouting consolidation effect.Its operating frequency range can be in 20-2000Hz
In the range of freely convert, its face of shake table 1 can slide axially back and forth along jar rod 2, for transmit Horizontal Vibration effect,
And for supporting jar rod 2.
The unidirectional quantitative hydraulic device 7 is used to suck grouting serous fluid and be pumped into slurries with pressure to slip casting drilling tool 10, can be with
Regulate and control pressure during slip casting, while the regulation and control into slurry speed and grouting amount can be realized.
The sand storage case 9 loads Extra-fine sand when testing, and there is a cuboid cavity 11 casing front portion, can store with
The sand of grout outflow, avoid polluting laboratory.The bottom of sand storage case 9 is equipped with firm banking 12, can be with ground fixing bolt
Connection, eliminate the vibration displacement of acoustic frequency vibration drilling slip casting experimentation middle case.The rear board 13 of sandy soil accommodating chamber 9 can be free
Dismounting, realizes that the fast quick change of sand in experimentation is filled out.
As shown in figure 3, the bottom side wall of slip casting drilling tool 10 opens the equally distributed injected hole 14 of double ring, it is possible to achieve
Abundant diffusion of the slurries in Extra-fine sand, reaches slip casting purpose.
The table top of supporting table 3 can slide back and forth, and transmit Horizontal Vibration effect, while for supporting jar rod 2, disappear
Except influence of the Action of Gravity Field to the horizontal vibration of jar rod 2.
Also include grouting pipe 15, the grouting pipe 15 connects slip casting drilling tool 10 and unidirectional quantitative hydraulic device 7；Noting
The pressure gauge 5 for monitoring grouting pressure is provided with slurry pipeline 15 and for cutting down during slip casting due to slurry caused by siphon
The counterbalance valve 6 of the fluctuation slurries fluctuation of flow quantity and pressure.
Also include pulp-inlet pipe road 16, the pulp-inlet pipe road 16 is that slurries enter the logical of slip casting drilling tool 10 by slurries holder 8
Road.
Also include blast pipe 17, when the blast pipe 17 is used for the startup of unidirectional quantitative hydraulic device 7, emptying unidirectionally quantifies liquid
Gas in pressure device 7.
Also include filter 19, the filter 19 is used to prevent the solid phase impurity in slurries from being filled into unidirectional quantitative hydraulic
Put 7.
This acoustic frequency vibration creeps into the course of work of slip casting analogue experiment installation：
Slip casting drilling tool 10 is placed in the precalculated position of sand storage case 9, with the slurry outlet of gauze wrapped slip casting drilling tool 10, then by
Layer addition Extra-fine sand and densification.The parameter of shake table 1 is set, includes the frequency and size of exciting force, and time of vibration, is used for
Simulate influence of the different vibration source characteristics to Extra-fine sand grouting consolidation effect.Vibration on Start-up platform 1, make it that Horizontal Vibration is passed through into biography
Dynamic drilling rod 2 is delivered to slip casting drilling tool 10.Start unidirectional quantitative hydraulic device 7, regulate and control pressure and speed during slip casting, stored up from slurries
Store and the grouting serous fluid configured is sucked in bucket 8 and is pumped into slurries with pressure to slip casting drilling tool 10.After grouting serous fluid condensation, by overlying
Powder fine sand soil carefully excavates, and obtains slurry consolidation body 20, and observation consolidation volume morphing simultaneously measures grout spreading range.For different grains
Footpath grading experiment sandy soils simulate the vibrating grouting experiment under different geological conditions, in controllable vibration source parameter, grouting pressure base
On plinth, regulate and control drilling rod buried depth, progressively each influence factor of slip casting effect is analyzed using control variate method, establish audio frequency and shake
Relation between the vibration source parameter of dynamic drilling slip casting and the physicochemical property of sand.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should
It is defined by the protection domain of claims.
Claims (10)
1. a kind of acoustic frequency vibration creeps into slip casting analogue experiment installation, it is characterised in that including shake table, jar rod, supporting table,
Fixture, unidirectional quantitative hydraulic device, slurries holder, sand storage case and slip casting drilling tool；Drilling rod passes through reducing with slip casting drilling tool
Joint is connected, and jar rod is fixed on vibration table surface and supporting table table top by fixture；Loaded in the sand storage case
There is sand, the slip casting drilling tool is embedded in sand；Unidirectional quantitative hydraulic device sucks slurries and is pumped to out of slurries holder
Slip casting drilling tool.
2. acoustic frequency vibration according to claim 1 creeps into slip casting analogue experiment installation, it is characterised in that the shake table
Operating frequency range is 5-2000Hz.
3. acoustic frequency vibration according to claim 1 creeps into slip casting analogue experiment installation, it is characterised in that the sand accommodates
There is a cuboid cavity case front portion, sand storage case bottom installation firm banking, is bolted to connection with ground, described
The rear board of sand storage case is detachable.
4. acoustic frequency vibration according to claim 1 creeps into slip casting analogue experiment installation, it is characterised in that the slip casting drilling tool
Two rows circumferentially equally distributed injected hole is provided with side wall.
5. acoustic frequency vibration according to claim 1 creeps into slip casting analogue experiment installation, it is characterised in that also including Grouting Pipe
Road, the grouting pipe connection grouting drill bit and unidirectional quantitative hydraulic device；It is provided with grouting pipe for monitoring slip casting
The pressure gauge of pressure and for cutting down the counterbalance valve that slurries fluctuate during slip casting.
6. acoustic frequency vibration according to claim 1 creeps into slip casting analogue experiment installation, it is characterised in that also including pulp-inlet pipe
Road, the pulp-inlet pipe road connection slurries holder and unidirectional quantitative hydraulic device.
7. the acoustic frequency vibration drilling slip casting analogue experiment installation according to any one of claim 1,5-6, it is characterised in that
Also include blast pipe, the blast pipe connects with the exhaust outlet of unidirectional quantitative hydraulic device, in unidirectional quantitative hydraulic device
The gas in unidirectional quantitative hydraulic device is emptied during startup.
8. acoustic frequency vibration according to claim 1 creeps into slip casting analogue experiment installation, it is characterised in that also includes filtering
Device, the filter are arranged at one end that pulp-inlet pipe road is located in slurries holder, for preventing the solid phase impurity in slurries from entering
Enter unidirectional quantitative hydraulic device.
9. acoustic frequency vibration according to claim 1 or 2 creeps into slip casting analogue experiment installation, it is characterised in that the vibration
In platform vibration processes, along drilling rod, axially progress is of reciprocating vibration for vibration table surface and supporting table table top.
10. acoustic frequency vibration according to claim 1 creeps into slip casting analogue experiment installation, it is characterised in that the transmission is bored
Connected between the drilling rods at different levels of bar by joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721010805.XU CN206990551U (en) | 2017-08-14 | 2017-08-14 | Acoustic frequency vibration creeps into slip casting analogue experiment installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721010805.XU CN206990551U (en) | 2017-08-14 | 2017-08-14 | Acoustic frequency vibration creeps into slip casting analogue experiment installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206990551U true CN206990551U (en) | 2018-02-09 |
Family
ID=61417842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721010805.XU Expired - Fee Related CN206990551U (en) | 2017-08-14 | 2017-08-14 | Acoustic frequency vibration creeps into slip casting analogue experiment installation |
Country Status (1)
| Country | Link |
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| CN (1) | CN206990551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212163A (en) * | 2018-09-14 | 2019-01-15 | 太原理工大学 | It is a kind of to study disturbance to the experimental provision and method of grouting for water blocking influential effect |
-
2017
- 2017-08-14 CN CN201721010805.XU patent/CN206990551U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212163A (en) * | 2018-09-14 | 2019-01-15 | 太原理工大学 | It is a kind of to study disturbance to the experimental provision and method of grouting for water blocking influential effect |
| CN109212163B (en) * | 2018-09-14 | 2021-06-08 | 太原理工大学 | Experimental device and method for researching influence of disturbance on grouting water plugging effect |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20190814 |
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| CF01 | Termination of patent right due to non-payment of annual fee |