CN207586080U - A kind of laboratory testing rig suitable for loose gravelly soil osmotic grouting - Google Patents
A kind of laboratory testing rig suitable for loose gravelly soil osmotic grouting Download PDFInfo
- Publication number
- CN207586080U CN207586080U CN201721542729.7U CN201721542729U CN207586080U CN 207586080 U CN207586080 U CN 207586080U CN 201721542729 U CN201721542729 U CN 201721542729U CN 207586080 U CN207586080 U CN 207586080U
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- China
- Prior art keywords
- fluid reservoir
- grouting
- pressure
- experiment casing
- gravelly soil
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- Expired - Fee Related
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- 239000002689 soil Substances 0.000 title claims abstract description 34
- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 230000003204 osmotic effect Effects 0.000 title claims abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 56
- 238000002474 experimental method Methods 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 239000011521 glass Substances 0.000 claims description 24
- 239000005341 toughened glass Substances 0.000 claims description 18
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 238000007569 slipcasting Methods 0.000 abstract description 20
- 230000008859 change Effects 0.000 abstract description 3
- 239000011435 rock Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012512 characterization method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model is related to a kind of laboratory testing rigs suitable for loose gravelly soil osmotic grouting, belong to rock engineering technical field.The experimental rig mainly includes pressure supply device, fluid reservoir, experiment casing, high-definition camera instrument, the port of export of pressure supply device is connected by defeated pressure pipeline with the venthole on fluid reservoir top, the liquid outlet of fluid reservoir side bottom is connected by liquid-transport pipe-line with the Grouting Pipe of experiment casing, fluid reservoir is placed on electronic balance and side wall is provided with graduation apparatus, and Grouting Pipe is vertically and fixedly arranged at the center of experiment casing roof and extends downward into grouting test babinet；High-definition camera instrument is arranged on the front of fluid reservoir and experiment casing.This experimental rig have the characteristics that it is simple in structure, be easy to make, facilitate installation and dismounting and can repeatedly circulating repetition use, the dynamic change characterizations of the parameters such as slip casting fluid mass, volume and density among fluid reservoir can be monitored in real time.
Description
Technical field
The utility model is related to a kind of laboratory testing rigs and method suitable for loose gravelly soil osmotic grouting, belong to rock
Stone field of engineering technology.
Background technology
Loose gravelly soil stratum is a kind of loose coarse fragment deposit stratum formed in the Quaternary Period, is almost each saved in China
All it is distributed part.Under the influence of strong geological process and human activity, a large amount of natural calamity is usually by loose gravel
Soil layer, which induces, to be started, e.g., mud-rock flow, barrier lake, avalanche and landslide etc..Show slurry injection technique by engineering practice for many years
It is to administer the effective technology means that loose gravelly soil stratum at present induces geological disaster.Osmotic grouting is by people in slip casting field
A kind of ground construction technology used earliest, because it during slip casting to, institute smaller by the disturbing influence of note medium or material
To have obtained widely applying in engineering fields such as building, highway, railway, subway, mine, tunnel, water power and military affairs, and
Achieve good regulation effect.
At present, domestic and foreign scholars using slurry injection technique to improve the antiseepage on loose gravelly soil stratum and bearing capacity in terms of
Research it is few, lack the guidance of effective grouting theory.Such as, Yang Zhiquan carries out grouting test using indoor brief test device and visits
Begged in loose gravelly soil stratum carry out osmotic grouting some parametric prediction models, e.g., grouting amount, grout spreading range and
Seed harvest compression strength etc..However, these experimental rigs exist：It is limited by grouting simulation test plant bulk, causes to test
Simulation by note medium and field, really loose gravelly soil stratum has larger difference；Slip casting fluid can not be directly observed to exist
Diffusion process in loose gravel soil layer and it is unable to slip casting fluid among the slurry-storing container of the entire slip casting process of quantitative response
Basic parameter（Such as quality, volume and density）Variation characteristic.
Utility model content
The utility model aims at the problems existing in the prior art, and provides a kind of rooms suitable for loose gravelly soil osmotic grouting
Interior experimental rig, the experiment carried out using the present apparatus can comprehensively and truly reproduce the slip casting ring on the practical loose gravelly soil stratum in field
Border can meet that the osmotic grouting theory of requirement of engineering is put into practice in the slip casting of loose gravelly soil stratum and technology provides foundation to establish.
The utility model for solve its technical problem and the technical solution adopted is that：
A kind of laboratory testing rig suitable for loose gravelly soil osmotic grouting, mainly including pressure supply device, fluid storage
Device, experiment casing, high-definition camera instrument, the port of export of pressure supply device pass through defeated pressure pipeline and the ventilation on fluid reservoir top
Hole connects, and the liquid outlet of fluid reservoir bottom is connected by liquid-transport pipe-line with the Grouting Pipe of experiment casing, and Grouting Pipe is hung down
Directly it is fixed at the center of experiment casing roof and extends downward into grouting test babinet；High-definition camera instrument is arranged on fluid
The front of storage device and experiment casing；
The pressure supply device includes power plant, pressure-regulating valve, pressure reducer, and pressure-regulating valve, pressure reducer are installed in dynamic
The port of export of power apparatus, pressure reducer are connected by defeated pressure pipeline with the venthole on fluid reservoir top, on defeated pressure pipeline also
It is provided with Gas control switch；
The fluid reservoir is arranged on the top of electronic balance, and quarter is vertically arranged on the side wall of fluid reservoir
Table is spent, pressure gauge, addition fluid bore are additionally provided at the top of fluid reservoir, adds in fluid bore and is movably set with tempering glass
Glass plug；
Liquid regulating switch is provided on the liquid-transport pipe-line and liquid regulating switch is located at fluid reservoir side wall bottom
The pulp nose end in portion；
The slip casting fluid reservoir is hollow cylindrical glass box body, is made of transparent toughened glass material, diameter
It is highly 150 ~ 300 cm for 120 ~ 230 cm；
The grouting test babinet is regular cube tempered glass body structure, and the length of side is 150 ~ 300 cm, is arranged on steel
On bracket base, babinet bottom wall and side wall are armorplate glass, the tempered glass version of wall box by vertical angle bar frame,
Horizontal type angle bar frame is connect with high-strength bolt, the armorplate glass of babinet bottom wall by horizontal type angle bar frame, reinforcing bar rib with it is high-strength
Bolt is fixedly connected with the armorplate glass of side wall and reinforcing bar rib be arranged on babinet bottom wall armorplate glass lower section, tempering
Seam crossing between glass plate is provided with rubber weather strip, and 4 side walls of glass box body are vertically arranged with identical graduation mark；
The experiment casing inner wall is provided with sealed plastic film；
Further, the power plant is nitrogen cylinder or air compressor.
Further, the graduation apparatus and graduation mark precision are 1mm, and electronic balance precision is 1g.
The beneficial effects of the utility model：
The loose gravelly soil stratum of difference of the utility model experimental rig simulation can directly be derived from the loose gravel soil in field
Layer, and formed in grouting test babinet according to its practical physico-mechanical properties layer, therefore, carried out using the present apparatus
Experiment can comprehensively and truly reproduce the slip casting environment on the practical loose gravelly soil stratum in field, can be to establish to meet loose gravel soil
The osmotic grouting theory of requirement of engineering is put into practice in layer slip casting and technology provides foundation；Fluid reservoir uses transparent toughened glass material
Mass-energy is in the motion change rule of entire slip casting process of osmosis visual inspection to slip casting fluid；Side surface scale mark with
The electronic balance of bottom can observe in real time respectively slip casting fluid volume in the slip casting fluid reservoir of entire grouting test process,
The changing rule of quality and density；The pressure gauge that upper part is installed can realize design grouting pressure respectively with addition fluid through-hole
Accurate control is conveniently and efficiently added in fluid to slip casting fluid reservoir；Experiment casing can using transparent toughened glass material
Directly observation slip casting fluid in loose gravel the practical diffusion process in soil layer, realizes the visual of slip casting process of osmosis
Change；This experimental rig is simple in structure, be easy to make, facilitates installation and dismounting, flexibility good, low-cost and can repeatedly recycle weight
It is multiple to use.
Description of the drawings
Fig. 1 is the structure diagram for the laboratory testing rig that embodiment is suitable for loose gravelly soil osmotic grouting；
Fig. 2 is the structure diagram of embodiment experiment casing；
Fig. 3 is embodiment experiment casing bottom substance schematic diagram.
In figure：1- pressure supply devices, 2- fluid reservoirs, 3- experiment casings, 4- pressure-regulating valves, 5- pressure reducers, 6- gas
The defeated pressure pipeline of body regulating switch, 7-, 8- ventholes, 9- pressure gauges, 10- addition fluid bore, 11- graduation apparatus, 12- electronic balances,
13- liquid regulating switch, 14- liquid-transport pipe-lines, 15- high-definition cameras instrument, 16- Grouting Pipes, 17- graduation marks, the vertical angle steel branch of 18-
Frame, 19- horizontal types angle bar frame, 20- high-strength bolts, 21- reinforcing bar ribs.
Specific embodiment
With reference to embodiment, the utility model is described in further detail.
Embodiment 1：As shown in Fig. 1 ~ 3, a kind of laboratory testing rig suitable for loose gravelly soil osmotic grouting is main to wrap
Pressure supply device 1, fluid reservoir 1, experiment casing 3, high-definition camera instrument 15 are included, the port of export of pressure supply device 1 passes through defeated pressure pipe
Road 7 is connected with the venthole 8 on 2 top of fluid reservoir, and the liquid outlet of 2 side bottom of fluid reservoir passes through woven hose
Road 14 is connected with the Grouting Pipe 16 of experiment casing 3, and Grouting Pipe 16 is vertically and fixedly arranged at the center of 3 roof of experiment casing and downward
It extends in grouting test babinet 3；High-definition camera instrument 15 is arranged on the front of fluid reservoir 2 and experiment casing 3；
Pressure supply device includes power plant, pressure-regulating valve 4, pressure reducer 5, and pressure-regulating valve 4, pressure reducer 5 are installed in dynamic
The port of export of power apparatus, pressure reducer 5 are connected by defeated pressure pipeline 7 with the venthole 8 on 2 top of fluid reservoir, defeated pressure pipeline 7
On be additionally provided with Gas control switch 6；
Fluid reservoir 2 is arranged on the top of electronic balance 12, and quarter is vertically arranged on the side wall of fluid reservoir 2
Table 11 is spent, the top of fluid reservoir 2 is additionally provided with pressure gauge 9, addition fluid bore 10, adds activity setting in fluid bore 10
There is tempered glass plug；
Liquid regulating switch 13 is provided on liquid-transport pipe-line 14 and liquid regulating switch 13 is located at 2 side wall of fluid reservoir
The pulp nose end of bottom；
Fluid reservoir 2 is hollow cylindrical glass steel box in the present embodiment, is made of transparent toughened glass material,
A diameter of 120cm is highly 150 cm.
Experiment casing 3 is regular cube tempered glass body structure in the present embodiment, and the length of side is 150 cm, is arranged on steel branch
On frame pedestal, babinet bottom wall and side wall are armorplate glass, the tempered glass version of wall box by vertical angle bar frame 18,
Horizontal type angle bar frame 19 is connect with high-strength bolt 20, and the armorplate glass of babinet bottom wall is by horizontal type angle bar frame 19, reinforcing bar rib
21 are fixedly connected and reinforcing bar rib 21 is arranged on the tempered glass of babinet bottom wall with high-strength bolt 20 with the armorplate glass of side wall
The lower section of plate, the seam crossing between armorplate glass are provided with rubber weather strip, and 4 side walls of glass box body are vertically arranged with identical
Graduation mark 17；3 inner wall of experiment casing is provided with sealed plastic film；Tempered glass, which can solve can not directly to observe slip casting fluid, to exist
Practical diffusion process in loose gravelly soil stratum, realizes the visualization of entire slip casting process, while transparent toughened glass
Intensity is high, can meet osmotic grouting pressure with supporting the gravity requirement on loose gravelly soil stratum.
Power plant uses air compressor in the present embodiment.
Graduation apparatus and graduation mark precision are 1mm in the present embodiment, and electronic balance precision is 1g.
Embodiment 2：Structure suitable for the laboratory testing rig of loose gravelly soil osmotic grouting and implementation in the present embodiment
The structure of the laboratory testing rig suitable for loose gravelly soil osmotic grouting in example 1 is essentially identical, the difference lies in：Fluid
The hollow cylindrical glass steel box size of storage device 2：A diameter of 180cm is highly 224cm；Experiment casing 3 just cube
The body transparent toughened glass structure length of side is 224cm.
Embodiment 3：Structure suitable for the laboratory testing rig of loose gravelly soil osmotic grouting and implementation in the present embodiment
The structure of the laboratory testing rig suitable for loose gravelly soil osmotic grouting in example 1 is essentially identical, the difference lies in：Fluid
The hollow cylindrical glass steel box size of storage device 2：A diameter of 230cm is highly 300cm；Experiment casing 3 just cube
The body tempered glass structure length of side is 300cm；Power plant is nitrogen cylinder.
Specific embodiment of the utility model is explained in detail above in conjunction with attached drawing, but the utility model and unlimited
In above-described embodiment, within the knowledge of a person skilled in the art, the utility model can also not departed from
Various changes can be made under the premise of objective.
Claims (6)
1. a kind of laboratory testing rig suitable for loose gravelly soil osmotic grouting, it is characterised in that：Mainly include pressure supply device
（1）, fluid reservoir（2）, experiment casing（3）, high-definition camera instrument（15）, pressure supply device（1）The port of export pass through defeated pressure pipe
Road（7）With fluid reservoir（2）The venthole on top（8）Connection, fluid reservoir（2）The liquid outlet of side bottom leads to
Cross liquid-transport pipe-line（14）With experiment casing（3）Grouting Pipe（16）Connection, Grouting Pipe（16）It is vertically and fixedly arranged at experiment casing
（3）The center of roof simultaneously extends downward into grouting test babinet（3）It is interior；High-definition camera instrument（15）It is arranged on fluid reservoir
（2）And experiment casing（3）Front；
Pressure supply device includes power plant, pressure-regulating valve（4）, pressure reducer（5）, pressure-regulating valve（4）, pressure reducer（5）It installs
In the port of export of power plant, pressure reducer（5）Pass through defeated pressure pipeline（7）With fluid reservoir（2）The venthole on top（8）Even
It is logical, defeated pressure pipeline（7）On be additionally provided with Gas control switch（6）；
Fluid reservoir（2）It is arranged on electronic balance（12）Top, fluid reservoir（2）Side wall on be vertically arranged with
Graduation apparatus（11）, fluid reservoir（2）Top be additionally provided with pressure gauge（9）, addition fluid bore（10）, add fluid bore
（10）Inside it is movably set with tempered glass plug；
Liquid-transport pipe-line（14）On be provided with liquid regulating switch（13）；
Experiment casing（3）It is arranged on steel bracket pedestal.
2. the laboratory testing rig according to claim 1 suitable for loose gravelly soil osmotic grouting, it is characterised in that：It is dynamic
Power apparatus is nitrogen cylinder or air compressor.
3. the laboratory testing rig according to claim 1 suitable for loose gravelly soil osmotic grouting, it is characterised in that：Stream
Body storage device（2）For hollow cylindrical tempered glass babinet, a diameter of 120 ~ 230 cm is highly 150 ~ 300 cm.
4. the laboratory testing rig according to claim 1 suitable for loose gravelly soil osmotic grouting, it is characterised in that：Examination
Tryoff body（3）For regular cube tempered glass body structure, the length of side is 150 ~ 300 cm；Babinet bottom wall and side wall are tempering glass
Glass plate, the tempered glass version of wall box pass through vertical angle bar frame（18）, horizontal type angle bar frame（19）With high-strength bolt（20）
Connection, the armorplate glass of babinet bottom wall is by horizontal type angle bar frame（19）, reinforcing bar rib（21）With high-strength bolt（20）With side wall
Armorplate glass be fixedly connected and reinforcing bar rib（21）It is arranged on the lower section of the armorplate glass of babinet bottom wall, armorplate glass
Between seam crossing be provided with rubber weather strip, 4 side walls of glass box body are vertically arranged with identical graduation mark（17）.
5. the laboratory testing rig according to claim 1 suitable for loose gravelly soil osmotic grouting, it is characterised in that：Examination
Tryoff body（3）Inner wall is provided with sealed plastic film.
6. the laboratory testing rig according to claim 1 suitable for loose gravelly soil osmotic grouting, it is characterised in that：It carves
Spend table（11）With graduation mark（17）Precision is 1mm, and electronic balance precision is 1g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721542729.7U CN207586080U (en) | 2017-11-17 | 2017-11-17 | A kind of laboratory testing rig suitable for loose gravelly soil osmotic grouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721542729.7U CN207586080U (en) | 2017-11-17 | 2017-11-17 | A kind of laboratory testing rig suitable for loose gravelly soil osmotic grouting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207586080U true CN207586080U (en) | 2018-07-06 |
Family
ID=62731972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721542729.7U Expired - Fee Related CN207586080U (en) | 2017-11-17 | 2017-11-17 | A kind of laboratory testing rig suitable for loose gravelly soil osmotic grouting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207586080U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354451A (en) * | 2022-01-13 | 2022-04-15 | 同济大学 | Unsaturated soil high-pressure grouting test device and measuring system thereof |
| CN117607398A (en) * | 2024-01-23 | 2024-02-27 | 昆明理工大学 | Prediction method for critical water content of instability of gravel soil slope |
-
2017
- 2017-11-17 CN CN201721542729.7U patent/CN207586080U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354451A (en) * | 2022-01-13 | 2022-04-15 | 同济大学 | Unsaturated soil high-pressure grouting test device and measuring system thereof |
| CN114354451B (en) * | 2022-01-13 | 2023-08-29 | 同济大学 | Unsaturated soil high-pressure grouting test device and measurement system thereof |
| CN117607398A (en) * | 2024-01-23 | 2024-02-27 | 昆明理工大学 | Prediction method for critical water content of instability of gravel soil slope |
| CN117607398B (en) * | 2024-01-23 | 2024-04-12 | 昆明理工大学 | Prediction method for critical water content of instability of gravel soil slope |
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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: 20180706 Termination date: 20201117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |