CN106198349A - The method and apparatus of grouting material permeability values - Google Patents
The method and apparatus of grouting material permeability values Download PDFInfo
- Publication number
- CN106198349A CN106198349A CN201610565115.4A CN201610565115A CN106198349A CN 106198349 A CN106198349 A CN 106198349A CN 201610565115 A CN201610565115 A CN 201610565115A CN 106198349 A CN106198349 A CN 106198349A
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- Prior art keywords
- grouting
- volume weight
- weight tube
- post
- permeability values
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- 239000000463 material Substances 0.000 title claims abstract description 37
- 230000035699 permeability Effects 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 239000011440 grout Substances 0.000 claims abstract description 17
- 230000008595 infiltration Effects 0.000 claims abstract description 17
- 238000001764 infiltration Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002699 waste material Substances 0.000 claims abstract description 10
- 239000012780 transparent material Substances 0.000 claims abstract description 6
- 238000011156 evaluation Methods 0.000 claims abstract description 5
- 239000004576 sand Substances 0.000 claims description 26
- 239000004744 fabric Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000008267 milk Substances 0.000 claims description 6
- 210000004080 milk Anatomy 0.000 claims description 6
- 235000013336 milk Nutrition 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- 239000012466 permeate Substances 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 4
- 229920005479 Lucite® Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses the equipment of a kind of grouting material permeability values, including volume weight tube, it is made up of transparent material, and described volume weight tube one end is provided with grout hole, the other end is provided with waste liquor stream and portals, and is filled with ground in the cavity volume of described volume weight tube, forms grouting post；And rule, it is located on described volume weight tube or arranges near described volume weight tube, for measuring the height that serosity permeates in described grouting post.The equipment of grouting material permeability values of the present invention, the volume weight tube using transparent material to make, it is provided with on or near volume weight tube for measuring the height that serosity permeates in described grouting post.Convenient metering serosity infiltration coefficient in grouting post.And structure is relatively simple.The method of the grouting material permeability values of the present invention, can be with the permeance property of scientific evaluation grouting liquid to be measured by measuring the infiltration coefficient of water, the infiltration coefficient of grouting liquid and relative coefficient of permeability.
Description
Technical field
The present invention relates to, for Rock Subgrade or foundation grouting Material Field, comment particularly to a kind of grouting material permeability
The method and apparatus of valency.
Background technology
The main concrete castability complexity using fluidity or viscosity to evaluate grouting material in engineering at present, although fluidity
With the rheological property that viscosity can react grouting material, but be difficult to evaluate grouting material concrete castability in ground, therefore fill
Pulp material applies the experience relying primarily on workmen at grouting of road bed and basement process.The water content of ground and porosity are to filling
The penetration radius of pulp material and uniformity impact are very big, and the chemical constituent in grouting liquid and ionic charge all can affect grouting simultaneously
The permeance property of liquid.
The information being disclosed in this background section is merely intended to increase the understanding of the general background to the present invention, and should not
When being considered to recognize or imply in any form this information structure prior art well known to persons skilled in the art.
Summary of the invention
A kind of method that it is an object of the invention to provide grouting material permeability values, thus overcome more difficult evaluation to be in the milk
Material is the shortcoming of concrete castability in ground.
Another object of the present invention is to provide a kind of for evaluating the infiltrative equipment of grouting material.
For achieving the above object, the invention provides the equipment of a kind of grouting material permeability values, including: volume weight tube,
It is made up of transparent material, and described volume weight tube one end is provided with grout hole, and the other end is provided with waste liquor stream and portals, the appearance of described volume weight tube
Intracavity is filled with ground, forms grouting post；And rule, it is located on described volume weight tube or close described volume weight tube is arranged,
For measuring the height that serosity permeates in described grouting post.
Preferably, in technique scheme, described volume weight tube upper and lower end is equipped with seal cover board, described sealing
The junction of cover plate and described volume weight tube is provided with gasket seal.
Preferably, in technique scheme, described volume weight tube is fixed on volume weight tube fixed mechanism, and described volume weight tube is solid
Determining mechanism to include: base, described volume weight tube is located on described base；And steady brace, its one end is fixed at described capacity
The sealing of pipe upper end covers, and the other end is fixed at the sealing of described volume weight tube bottom and covers.
Preferably, in technique scheme, the grout hole of described volume weight tube is connected with provisions for grouting, described provisions for grouting bag
Including: compressed air bottle, it is provided with gas outlet, is provided with pressurizing valve at described gas outlet；Grouting pressure container, this grouting pressure container
Top is provided with stock inlet and air inlet, and bottom is provided with liquid outlet, and described air inlet is by airway and described compressed air bottle
Gas outlet connects, and described liquid outlet is connected with the grout hole of described volume weight tube.
Preferably, in technique scheme, described grouting pressure container is located on bearing.
Preferably, in technique scheme, described airway is high pressure resistant nylon tube.
Preferably, in technique scheme, the waste liquor stream of described volume weight tube portals and is connected with waste liquid reception container.
A kind of method of grouting material permeability values, uses the equipment of above-mentioned grouting material permeability values, described side
Method comprises the following steps:
(1) toward filling ground in volume weight tube, grouting post is formed；
(2) at a certain temperature, test water is entered from following grout hole by 0.2-0.8MPa pressure, when liquid level reaches to fill
Slurry column bottom starts timing, when liquid level reaches column top stopping timing of being in the milk, and the infiltration coefficient calculating water is Kh, unit is cm/
s；
(3) under same temperature conditions, test serosity is entered from following grout hole by 0.2-0.8MPa pressure, works as liquid
Face reaches grouting column bottom and starts timing, when liquid level reaches column top stopping timing of being in the milk, and the infiltration coefficient calculating water is Kg, single
Position is cm/s；
(4) relative coefficient of permeability K is calculatedr, Kr=Kg/Kh, dimension is 1.
Preferably, in technique scheme, the packing method of described grouting post comprises the following steps:
(1) at bottom pad first screen cloth of volume weight tube, being padded with coarse sand, the second screen cloth is padded on coarse sand top again；
(2) on the second screen cloth, grouting post is filled, grouting post top pad the 3rd screen cloth,
(3) on the 3rd screen cloth, fill coarse sand, coarse sand pads the 4th screen cloth.
Preferably, in technique scheme, described dry ground is the backfill soil in roadbed or ground, and this backfill mount includes
Swelled ground, silt, one or more filled out in marine sea sand of blowing sand, water content is below 0.01%.
Compared with prior art, there is advantages that
(1) equipment of grouting material permeability values of the present invention, uses the volume weight tube that transparent material is made, on volume weight tube
It is provided with near or for measuring the height that serosity permeates in described grouting post.Convenient metering serosity infiltration system in grouting post
Number.And structure is relatively simple.
(2) method of the grouting material permeability values of the present invention, by measuring the infiltration coefficient of water, the infiltration of grouting liquid
Coefficient and relative coefficient of permeability can be with the permeance properties of scientific evaluation grouting liquid to be measured.
Accompanying drawing explanation
Fig. 1 is the structural representation of the equipment of the grouting material permeability values according to the present invention.
Fig. 2 be the grouting material permeability values according to the present invention equipment in the structural representation of volume weight tube.
1-volume weight tube, 2-compressed air bottle, 3-grouting pressure container.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the detailed description of the invention of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Scope of protecting is not limited by detailed description of the invention.
Explicitly indicating that unless otherwise other, otherwise in entire disclosure and claims, term " includes " or it becomes
Change and such as " comprising " or " including " etc. will be understood to comprise stated element or ingredient, and do not get rid of other yuan
Part or other ingredient.
As shown in Figure 1 to Figure 2, according to the equipment of a kind of grouting material permeability values of the specific embodiment of the invention,
Including: volume weight tube 1, provisions for grouting, this provisions for grouting includes compressed air bottle 2 and grouting pressure container 3.Pass through compressed air bottle
2 are passed through air pressurized in grouting pressure container 3, by the serosity injection capacity pipe 1 in grouting pressure container 3.
As it is shown in figure 1, volume weight tube 1 is fixed on volume weight tube fixed mechanism 4.Volume weight tube 1 is made up of transparent material, and this is saturating
Bright material is lucite.Volume weight tube 1 upper and lower end is equipped with the connection of seal cover board 11, seal cover board and volume weight tube
Place is provided with gasket seal 12.Volume weight tube fixed mechanism 4 includes base 41 and steady brace 42.Volume weight tube 1 is located on base 41, Gu
Determining the sealing that pull bar 42 one end is fixed at volume weight tube 1 upper end by clamp nut to cover, the other end is fixed at volume weight tube
The sealing of bottom covers.By fixing bar 42, the seal cover board at volume weight tube 1 two ends is compressed sealing.Volume weight tube 1 lower end is provided with
Grout hole 13, upper end is provided with waste liquor stream and portals 14, is filled with ground in the cavity volume of volume weight tube, forms grouting sand post 5.Rule 6
It is located on volume weight tube 1 (or arranging near volume weight tube), for measuring serosity height of infiltration in grouting sand post 5.
Preferably, the grout hole 11 of volume weight tube 1 is connected with the compressed air bottle 2 in provisions for grouting, and compressed air bottle 2 is provided with
Gas outlet 21, is provided with pressurizing valve 22 at gas outlet.Grouting pressure container 3 is located on bearing 31.Grouting pressure container 3 upper end sets
There is sealing gasket 32, by stud, sealing gasket 32 is fixed on grouting pressure container 3.Sealing gasket 32 top be provided with stock inlet 33,
Air inlet 34 and Pressure gauge 35, air inlet 34 is connected with the gas outlet 21 of compressed air bottle by airway 36.Airway 36 is
High pressure resistant nylon tube.Airway 36 is provided with air vent 37, is provided with larynx sieve and air bleeding valve at air vent 37.It is provided with in exhaust ports
Intake valve 38, controls gas by intake valve and enters in grouting pressure container 3.Liquid outlet 39 it is provided with bottom grouting pressure container 3,
Liquid outlet 39 is connected with the grout hole 13 of volume weight tube 1.External Pressure gauge 15 and pressure valve 16 it is provided with at grout hole.
Preferably, the waste liquor stream of volume weight tube 1 portal 14 with waste liquid receive container 7 be connected.
A kind of method of grouting material permeability values, uses the equipment of above-mentioned grouting material permeability values, method bag
Include following steps:
(1) toward filling ground in volume weight tube, grouting post is formed；The dry ground selected is the backfill soil in roadbed or ground
(include swelled ground, silt, blow sand and fill out the one of the medium ground of marine sea sand), type of feed is as follows:
A. at lucite tube, it is 50mm by internal diameter, the lucite tube with a scale of a length of 300mm；I.e. volume weight tube 1
Bottom one layer of sieve aperture of pad is first screen cloth of 1.18mm, then pads the thick coarse sand (particle diameter is 1.18-2.36mm) of 25mm, coarse sand top
On pad, sieve aperture is 0.3mm the second screen cloth；
B. on the second screen cloth that sieve aperture is 0.3mm, fill grouting post 250mm；
C. on the pad of grouting post top, sieve aperture is on the 3rd screen cloth of 0.3mm, coarse sand (particle diameter thick for 25mm on the 3rd screen cloth
For 1.18-2.36mm), on the pad of coarse sand top, sieve aperture is the 4th screen cloth of 0.3mm.
(2) at a temperature of 20 DEG C, test water is entered from following grout hole by 0.2-0.8MPa pressure, when liquid level reaches sand
Column bottom starts timing, stops timing when liquid level reaches sand column top, and the infiltration coefficient calculating water is Kh, unit is cm/s；
(3) under 20 DEG C of temperature conditionss, test serosity is entered from following grout hole by 0.2-0.8MPa pressure, works as liquid level
Reaching sand column bottom and start timing, stop timing when liquid level reaches sand column top, the infiltration coefficient calculating water is Kg, unit is
cm/s；
(4) relative coefficient of permeability K is calculatedr, Kr=Kg/Kh, dimension is 1.
Application example
This application example is for evaluating the excellent degree of concrete castability of two kinds of grouting liquids of A, B.
The grouting post selected it blown sand by Flats of Qinzhou Harbor harbour and fill out marine sea sand and form.Grouting liquid A is geo-polymer
Grouting liquid, grouting liquid B is cement grout liquid.,
Under the conditions of test temperature is 20 DEG C, use grouting pressure priming petock respectively, A grouting liquid and the B grouting of 0.2MPa
Liquid, the infiltration coefficient of water be the infiltration coefficient of 6cm/s, A grouting liquid be the infiltration coefficient of 3cm/s, B grouting liquid be 0.6cm/s, survey
The relative grouting coefficient K of A grouting liquidRABeing 0.5, the relative coefficient of permeability of B grouting liquid is KRBIt is 0.01, then may determine that grouting
The concrete castability of liquid A is better than B.
The aforementioned description to the specific illustrative embodiment of the present invention illustrates that and the purpose of illustration.These describe
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can much change
And change.The purpose selected exemplary embodiment and describe is to explain that the certain principles of the present invention and reality thereof should
With so that those skilled in the art be capable of and utilize the present invention various different exemplary and
Various different selections and change.The scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (10)
1. the equipment of a grouting material permeability values, it is characterised in that including:
Volume weight tube, it is made up of transparent material, and described volume weight tube one end is provided with grout hole, and the other end is provided with waste liquor stream and portals, institute
It is filled with ground in stating the cavity volume of volume weight tube, forms grouting post；And
Rule, it is located on described volume weight tube or arranges near described volume weight tube, is used for measuring serosity in described grouting post
The height of infiltration.
The equipment of grouting material permeability values the most according to claim 1, it is characterised in that described volume weight tube upper end
Being equipped with seal cover board with bottom, the junction of described seal cover board and described volume weight tube is provided with gasket seal.
The equipment of grouting material permeability values the most according to claim 2, it is characterised in that described volume weight tube is fixing to be set
On volume weight tube fixed mechanism, described volume weight tube fixed mechanism includes:
Base, described volume weight tube is located on described base；And
Steady brace, its one end is fixed at the sealing of described volume weight tube upper end and covers, and the other end is fixed at described capacity
The sealing of pipe bottom covers.
The equipment of grouting material permeability values the most according to claim 1, it is characterised in that the grouting of described volume weight tube
Hole is connected with provisions for grouting, and described provisions for grouting includes:
Compressed air bottle, it is provided with gas outlet, is provided with pressurizing valve at described gas outlet；
Grouting pressure container, this grouting pressure upper vessel portion is provided with stock inlet and air inlet, and bottom is provided with liquid outlet, described air inlet
Hole is connected with the gas outlet of described compressed air bottle by airway, and described liquid outlet is connected with the grout hole of described volume weight tube.
The equipment of grouting material permeability values the most according to claim 4, it is characterised in that described grouting pressure container
It is located on bearing.
The equipment of grouting material permeability values the most according to claim 1, it is characterised in that described airway is resistance to height
Pressure nylon tube.
The equipment of grouting material permeability values the most according to claim 1, it is characterised in that the waste liquid of described volume weight tube
Tap hole receives container with waste liquid and is connected.
8. the method for a grouting material permeability values, it is characterised in that use grouting material permeability described in claim 1
The equipment evaluated, said method comprising the steps of:
(1) toward filling ground in volume weight tube, grouting post is formed；
(2) at a certain temperature, test water is entered from following grout hole by 0.2-0.8MPa pressure, when liquid level reaches the post that is in the milk
Bottom starts timing, when liquid level reaches column top stopping timing of being in the milk, and the infiltration coefficient calculating water is Kh, unit is cm/s；
(3) under same temperature conditions, test serosity is entered from following grout hole by 0.2-0.8MPa pressure, when liquid level reaches
Timing is started, when liquid level reaches column top stopping timing of being in the milk, and the infiltration coefficient calculating water is K to grouting column bottomg, unit is
cm/s；
(4) relative coefficient of permeability K is calculatedr, Kr=Kg/Kh, dimension is 1.
The method of grouting material evaluation of permeating the most according to claim 8, it is characterised in that the packing method of described grouting post
Comprise the following steps:
(1) at bottom pad first screen cloth of volume weight tube, being padded with coarse sand, the second screen cloth is padded on coarse sand top again；
(2) on the second screen cloth, grouting post is filled, grouting post top pad the 3rd screen cloth,
(3) on the 3rd screen cloth, fill coarse sand, coarse sand pads the 4th screen cloth.
The method of grouting material evaluation of permeating the most according to claim 8, it is characterised in that described ground is roadbed or ground
Backfill soil in base, this backfill mount includes swelled ground, silt, one or more filled out in marine sea sand of blowing sand, water content
Below 0.01%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610565115.4A CN106198349A (en) | 2016-07-18 | 2016-07-18 | The method and apparatus of grouting material permeability values |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610565115.4A CN106198349A (en) | 2016-07-18 | 2016-07-18 | The method and apparatus of grouting material permeability values |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106198349A true CN106198349A (en) | 2016-12-07 |
Family
ID=57493856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610565115.4A Pending CN106198349A (en) | 2016-07-18 | 2016-07-18 | The method and apparatus of grouting material permeability values |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801843A (en) * | 2018-05-30 | 2018-11-13 | 宁波联城住工科技有限公司 | The closely knit device for detecting performance of grout sleeve grouting and its detection method |
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Application publication date: 20161207 |