CN106442946A - Grout state and strength determining device and use method thereof - Google Patents
Grout state and strength determining device and use method thereof Download PDFInfo
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- CN106442946A CN106442946A CN201610821277.XA CN201610821277A CN106442946A CN 106442946 A CN106442946 A CN 106442946A CN 201610821277 A CN201610821277 A CN 201610821277A CN 106442946 A CN106442946 A CN 106442946A
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- state
- pressure measuring
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- 238000000034 method Methods 0.000 title claims description 10
- 239000011440 grout Substances 0.000 title abstract description 11
- 239000011521 glass Substances 0.000 claims abstract description 9
- 239000002002 slurry Substances 0.000 claims description 111
- 239000007788 liquid Substances 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 15
- 206010027336 Menstruation delayed Diseases 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 2
- 239000004568 cement Substances 0.000 description 9
- 238000002156 mixing Methods 0.000 description 8
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000008267 milk Substances 0.000 description 4
- 210000004080 milk Anatomy 0.000 description 4
- 235000013336 milk Nutrition 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000002085 persistent effect Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (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 relates to a grout state and strength determining device. The grout state and strength determining device comprises a base 1 and a support 5 which are fixedly connected, wherein a base plate 2 is arranged on the base 1, a glass plate 3 is arranged on the base plate 2, a container 4 is arranged on the glass plate 3, an upper slide bushing 6 and a lower slide bushing 7 which are coaxial are vertically arranged on the support 5, a fastening screw 8 is arranged on the lower slide bushing 7, three pressure measuring bars 9 penetrate the upper slide bushing 6 and the lower slide bushing 7 in a sleeving manner, the bottom of each pressure measuring bar is a plane, the pressure measuring bars 9 are in slide connection with the upper slide bushing and the lower slide bushing, a pointer 11 is arranged on the pressure measuring bar 9 between the two slide bushings through a fixing ring 12, and an indication plate 10 is further arranged on one sides of the upper slide bushing and the lower slide bushing and is a pressure scale plate. By means of the grout state and strength determining device, unknown new property of grout is determined after physical and mechanical properties of grout with different functions are tested.
Description
Technical field
The present invention relates to civil engineering and mining engineering slurry measuring apparatuss technical field, particularly in rock mass reinforcing work
The mensure device of Cheng Zhong, a kind of cement grout slurry state and intensity and its using method.
Background technology
At present, in the engineering such as water conservancy and hydropower, highway, railway, mining, bridge, tunnel and rock, soil body foundation stabilization, prevent
Ooze, consolidate and backfilling cement grouting, sand finish antiseepage be consolidating crack through frequently with measure.However, two kinds of measures are all deposited
Serosity shrinkage factor is excessive and the long disadvantage of final setting time.Front kind of disadvantage, makes repeatedly to be in the milk, and just can become effective grouting；Afterwards
Planting disadvantage is that the time to be coagulated is oversize, makes grouting works efficiency very low, directly influences construction period.Therefore, root in each engineering
Require the cement grout slurry needing to prepare different zero contractions according to different geological conditions etc., just can overcome above two disadvantage
Disease.Two states of different Yu the common slurry of slurry state of the cement grout slurry of zero contraction are (plastic state slurry-initial set, first
Solidifying-final set), antiseepage, leak stopping reinforcing engineering, generally require borrow grouting equipment applying pressure and just can complete, add chemical sizwe
Zero shrinkage cement grouting slurry initial stage be in solution state, the property noted is good, as long as can the tiny crack of water filling or hole, chemical pulp
Material typically all can inject, so, in order to adapt to add appropriate different additives in slip casing by pressure, to control five kinds of shapes of slurry
State (liquid slurry, soft plastic state early stage slurry, soft plastic state late period slurry, hard plastic state slurry and final set state slurry), especially liquid
Slurry, but, when preparing difference in functionality cement grout slurry, not yet there is instrument and equipment can accurately differentiate such slurry now
State (liquid slurry, soft plastic state early stage slurry, soft plastic state late period slurry, hard plastic state slurry and final set state slurry), slurry intensity
Equipment it is impossible to find slurry state-pressure Changing Pattern, and then it is impossible to formulate grouting program.
Grouting program selects to be by the problem of mortar depositing construction solution first, typically the choosing of grouting method and injecting paste material
Select and give top priority, only accurately differentiate to prepare state, the intensity of slurry of slurry, and testing index is carried out quantify to divide
Analysis, is only possible to find the Changing Pattern of the state-pressure of slurry.What in antiseepage, leak stopping reinforcing engineering, emphasis needed assurance is slurry
The persistent period of body fluid state, slurry is only, in the liquid persistent period, the Best Times that grouting equipment applies pressure grouting, so,
When preparing difference in functionality cement grout slurry, need the time of accurate assurance slurry different conditions appearance and its pressure of slurry,
In the required grouting slurry state of measurement, pressure, the time of the state being occurred according to slurry and pressure, could targetedly
Increase and decrease additive, makes slurry reach required claimed condition, in slip casting work could reasonable arrangement grouting persistent period and
The interval time of adjacent two grouting works, so that job placement is obtained more reasonable, reduce the generation of quality accident.
Content of the invention
The technical assignment of the present invention be solve the deficiencies in the prior art, provide a kind of grouting slurry state occur time,
The mensure device of pressure and its using method.This device can find that grouting slurry all has 5 states, all exists relative with state
The comprcssive strength answered, with slurry composition and the change of slurry agitation time, the time that 5 states occur has long or short
Change, using its time behavior, can be designed that many new slurries；It is found that liquid, plastic state and the final set state of slurry
Difference hold time, can determine taken which kind of grouting according to the geology in the range of grouting, grouting condition and engine request
Pattern, is Permeation grouting or filling grouting and infiltration filling grouting, and then develops " time control " flow process of grouting, technology people
Member can on one's own initiative, complete grouting works with following the prescribed order.
The technical scheme is that and realize in the following manner, the mensure device of a kind of this slurry state and intensity, bag
Include the base being fixedly connected and support, its structure is to be provided with backing plate on base, backing plate is provided with glass plate, glass plate sets
It is equipped with slurry container, support is vertically arranged with coaxial upper sliding sleeve and low sleeve, upper and lower sliding sleeve side is additionally provided with indicating value
Plate, is characterized in that：Be coated with a pressure measuring staff between upper and lower sliding sleeve, pressure measuring staff bottom is plane, pressure measuring staff with upper and lower
Sliding sleeve is slidably connected, and pointer is fixedly installed on the pressure measuring staff between two sliding sleeves, and this pressure measuring staff is three, respectively measures
The buoyancy minute-pressure measuring staff of liquid slurry and soft plastic state early stage slurry pressure, measure soft plastic state late period slurry pressure minute-pressure measuring staff,
Measure the final set measuring staff of hard plastic state slurry pressure.
A kind of slurry state and strength detection device are it is characterised in that shown indicating value plate is pressure scale plate.
A kind of slurry state and strength detection device are it is characterised in that be provided with trip bolt on low sleeve.
A kind of slurry state with the using method of strength detection device is,
The first step：Pouring in slurry container from serosity, using buoyancy minute-pressure measuring staff, the deadweight of pressure measuring staff falls into box
Interior, measure time and pressure and soft plastic state SMS message and the pressure in slurry liquid period；
Second step：Using minute-pressure measuring staff, measuring staff deadweight falls in examination box, when mensure pressure measuring staff rises to container height,
Measure the slurry soft time moulding late period state and pressure；
3rd step：Using final set measuring staff, measuring staff deadweight falls in examination box, measures slurry hard plastic state for time and pressure；
4th step：After slurry slurry hard plastic state terminates, slurry enters final set state.
Compared with prior art produced beneficial effect is the present invention：
Using slurry form and the strength detection device of invention, the physical mechanicses of the grouting slurry of test difference in functionality first
After property, determine unknown slurry new property：
1. any slurry all there are 5 states, all there are the comprcssive strength corresponding with state.With slurry composition
And the change of slurry agitation time, there is long or short change the time that 5 states occur.This Changing Pattern, opens up
According to engineering geological condition, engine request and grouting condition, design has very strong targetedly difference in functionality grouting material
New way.
2. any grouting, all can inducing classification be Permeation grouting, filling grouting and infiltration filling grouting three types.
(1) the maintenance liquid time of slurry can be found, the maintenance liquid time of slurry, is optimal Permeation grouting and infiltration
The Best Times of filling grouting；The maintenance plastic state time (include soft mould early stage, soft mould late period and hard plastic time) of slurry can be found,
The plastic state time that maintains of slurry is optimal Permeation grouting, the optimal time intermittently to be coagulated of infiltration filling grouting.
(2) can find that the liquid time of slurry and soft plastic state time, the liquid time of slurry and soft plastic state time are fillings
The Best Times of grouting；The hard plastic state time of slurry can be found, the hard plastic state time of slurry is that the optimal interval of filling grouting is treated
The solidifying time.
3rd, this device is it can be found that the optimal mixing time of serosity.In the past, the serosity mixing time of ordinary cement grouting
The time specifying for code.Because the liquid time of this kind of serosity can grow to more than 12 hours, therefore the length of mixing time is no
Close critical.This test device is found that the slurry mixed with additive, as long as slurry contacts with water, its physics chemical action begins to
, thus, mixing time is the part that slurry maintains the liquid time, and mixing time is longer, and the liquid time of optimal grouting is just
Shorter characteristic.First find out the length of liquid time with instrument, after therefrom deducting optimal mixing time, when being equal to most preferably be in the milk
Between.The mixing time that the serosity of same slurry has liquid condition the longest can be made to be optimal mixing time.
4th, former, ordinary cement grouting is to be in the milk by " the grouting pattern depending on situation in window ".Cannot be by
Given mode is in the milk, and all grouting are all passive.After the application of this device, can be according to the geology in the range of grouting, grouting
Condition and engine request, determine taken which kind of grouting pattern, are Permeation groutings, or filling grouting, or are to permeate and fill
Fill out grouting.Then choose the grouting material being adapted therewith.Using this device, measure the time period that 5 states of slurry are each occupied.
Develop " time control " flow process of grouting accordingly, technical staff can complete grouting works with following the prescribed order on one's own initiative.
Brief description
Accompanying drawing 1 is the structural representation of the present invention.
Labelling in accompanying drawing represents respectively：
1st, base, 2, backing plate, 3, glass plate, 4, container, 5, support, 6, upper sliding sleeve, 7, low sleeve, 8, trip bolt, 9,
Pressure measuring staff, 10, indicating value plate, 11, pointer, 12, retainer ring.
Specific embodiment
Below in conjunction with the accompanying drawings a kind of present invention slurry state is described in detail below with strength detection device.
As shown in Figure 1, a kind of slurry of present invention state and strength detection device, includes the base 1 that is fixedly connected and props up
Frame 5, its structure is to be provided with backing plate 2 on base 1, backing plate 2 is provided with glass plate 3, glass plate 3 is provided with container 4
(7.07cm × 7.07cm × 7.07cm), support 5 is vertically arranged with coaxial upper sliding sleeve 6 and low sleeve 7, low sleeve 7 sets
Be equipped with trip bolt 8, be coated with a pressure measuring staff 9 between upper and lower sliding sleeve, the bottom of pressure measuring staff is plane, pressure measuring staff 9 with
Upper and lower sliding sleeve is slidably connected, and pointer 11 is arranged on the pressure measuring staff 9 between two sliding sleeves by retainer ring 12, upper and lower sliding sleeve one
Side is additionally provided with indicating value plate 10, and indicating value plate 10 is pressure scale plate, and pressure measuring staff is three, respectively measures liquid slurry pressure
Buoyancy minute-pressure measuring staff 1 and soft plastic state early stage slurry pressure buoyancy minute-pressure measuring staff 2, the base pressure σ=9.47Pa of measuring staff；Survey
The minute-pressure measuring staff of fixed soft plastic state late period slurry pressure, the base pressure σ=15.8Pa of measuring staff；Measure the end of hard plastic state slurry pressure
Solidifying measuring staff, the base pressure σ=157.3Pa of measuring staff.
A kind of slurry state with the using method of strength detection device is,
The first step：Pouring in the thick slurry container of 7.07cm from serosity, the initial stage that water is contacted with slurry, different slurries
Long or short all can have the liquid slurry time, the buoyancy minute-pressure measuring staff being 9.47Pa with pressure, when pressure measuring staff flumps certainly
Enter in box, be slurry liquid condition, the slurry liquid end time of record and pressure before pressure σ=8.31Pa appearance.Work as pressure
Strong measuring staff deadweight falls in box, to measuring staff rise length be during 7.07cm, pressure is the section divided by measuring staff for the measuring staff weight
Area σ=9.47Pa.State between σ=8.31Pa and σ=9.47Pa for the slurry pressure is soft-plastic state.
Second step：With the minute-pressure measuring staff of pressure σ=18.5Pa, measuring staff deadweight falls in examination box, and pressure measuring staff rises to
During 7.07cm, pressure is cross-sectional area σ=18.5Pa divided by measuring staff for the measuring staff weight.Slurry pressure σ=9.47Pa and σ=
State between 18.5Pa moulds late period state for soft.
3rd step：With the final set measuring staff of pressure σ=157.3Pa, measuring staff deadweight falls in examination box, and pressure measuring staff rises to
During 7.07cm, pressure is cross-sectional area σ=157.3Pa divided by measuring staff for the measuring staff weight.Slurry pressure σ=18.5Pa and σ=
State between 157.3Pa is hard plastic state.
4th step：After slurry pressure σ ＞ 157.3Pa, slurry enters final set state.
Claims (7)
1. a kind of slurry state and strength detection device, including the base 1 being fixedly connected and support 5, its structure is to set on base 1
It is equipped with backing plate 2, backing plate 2 is provided with glass plate 3, glass plate 3 is provided with container 4, support 5 is vertically arranged with coaxial upper
Sliding sleeve 6 and low sleeve 7, low sleeve 7 is provided with trip bolt 8, is coated with a pressure measuring staff 9 between upper and lower sliding sleeve, and pressure is surveyed
The bottom of bar is plane, and pressure measuring staff 9 is slidably connected with upper and lower sliding sleeve, pointer 11 by retainer ring 12 be arranged on two sliding sleeves it
Between pressure measuring staff 9 on, upper and lower sliding sleeve side is additionally provided with indicating value plate 10, pressure measuring staff be three, respectively measure liquid slurry
The buoyancy minute-pressure measuring staff 1 of body pressure and the buoyancy minute-pressure measuring staff 2 of soft plastic state early stage slurry pressure, measure hard plastic state slurry pressure
Final set measuring staff.
2. a kind of slurry state and the using method of strength detection device are as claimed in claim 1,
The first step：Pouring in slurry container from serosity, using buoyancy minute-pressure measuring staff, the deadweight of pressure measuring staff falls in box, surveys
Determine time and pressure and soft plastic state SMS message and the pressure in slurry liquid period；
Second step：Using minute-pressure measuring staff, measuring staff deadweight falls in examination box, when mensure pressure measuring staff rises to container height, measures
The slurry soft time moulding late period state and pressure；
3rd step：Using final set measuring staff, measuring staff deadweight falls in examination box, measures slurry hard plastic state for time and pressure；
4th step：After slurry slurry hard plastic state terminates, slurry enters final set state.
3. a kind of slurry state and strength detection device is characterized in that buoyancy minute-pressure measuring staff 1 bottom is pressed as claimed in claim 1
Strong σ=9.47Pa.
4. a kind of slurry state and strength detection device is characterized in that buoyancy minute-pressure measuring staff 2 bottom is pressed as claimed in claim 1
Strong σ=15.8Pa.
5. as claimed in claim 1 a kind of slurry state and strength detection device it is characterized in that final set measuring staff base pressure σ=
157.3Pa.
6. a kind of slurry state and strength detection device are it is characterised in that indicating value plate 10 is pressure scale plate.
7. a kind of slurry state and strength detection device as claimed in claim 1, is characterized in that it is characterized in that on low sleeve 7
It is provided with trip bolt 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610821277.XA CN106442946A (en) | 2016-08-31 | 2016-08-31 | Grout state and strength determining device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610821277.XA CN106442946A (en) | 2016-08-31 | 2016-08-31 | Grout state and strength determining device and use method thereof |
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| Publication Number | Publication Date |
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| CN106442946A true CN106442946A (en) | 2017-02-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610821277.XA Pending CN106442946A (en) | 2016-08-31 | 2016-08-31 | Grout state and strength determining device and use method thereof |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505234A (en) * | 2017-07-10 | 2017-12-22 | 中国建材检验认证集团贵州有限公司 | A kind of concrete pumping system safety testing device and method of testing |
| CN114166691A (en) * | 2021-11-30 | 2022-03-11 | 中建西部建设湖南有限公司 | Method and device for testing rheological property of cementing material |
| CN114809012A (en) * | 2022-05-07 | 2022-07-29 | 上海公路桥梁（集团）有限公司 | Steel pipe pile, material injection head, water seepage prevention material and water stopping method comprising same |
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2016
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| 《中国建设科技文库编委会》: "《中国建设科技文库 建筑卷》", 31 May 1998 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505234A (en) * | 2017-07-10 | 2017-12-22 | 中国建材检验认证集团贵州有限公司 | A kind of concrete pumping system safety testing device and method of testing |
| CN114166691A (en) * | 2021-11-30 | 2022-03-11 | 中建西部建设湖南有限公司 | Method and device for testing rheological property of cementing material |
| CN114166691B (en) * | 2021-11-30 | 2023-07-14 | 中建西部建设湖南有限公司 | Method and device for testing rheological property of cementing material |
| CN114809012A (en) * | 2022-05-07 | 2022-07-29 | 上海公路桥梁（集团）有限公司 | Steel pipe pile, material injection head, water seepage prevention material and water stopping method comprising same |
| CN114809012B (en) * | 2022-05-07 | 2023-10-13 | 上海公路桥梁（集团）有限公司 | Steel pipe pile, material injection head, water seepage prevention material and water stopping method comprising steel pipe pile and material injection head |
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Application publication date: 20170222 |