CN106124109B - Concrete pressure gauge mounting structure and mounting method thereof - Google Patents
Concrete pressure gauge mounting structure and mounting method thereof Download PDFInfo
- Publication number
- CN106124109B CN106124109B CN201610613951.5A CN201610613951A CN106124109B CN 106124109 B CN106124109 B CN 106124109B CN 201610613951 A CN201610613951 A CN 201610613951A CN 106124109 B CN106124109 B CN 106124109B
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- Prior art keywords
- pressure gauge
- concrete
- mortar
- resilient sleeve
- pressure
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000008602 contraction Effects 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6801—Fillings therefor
-
- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Ceramic Engineering (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a concrete pressure gauge mounting structure and a mounting method thereof, and the concrete pressure gauge mounting structure comprises a pressure gauge mounted in concrete, wherein an elastic sleeve is sleeved outside the pressure gauge, the elastic sleeve comprises an elastic sleeve main body, an inner cavity for accommodating the pressure gauge is arranged in the elastic sleeve main body, a plurality of convex nails are arranged at the top of the elastic sleeve main body, and mortar is filled between the concrete and the outer part of the elastic sleeve main body; the method steps include (1) assembling a pressure gauge; (2) installing a pressure gauge on site; (3) and (5) pouring external concrete. According to the invention, the elastic sleeve is arranged outside the pressure gauge, has good elasticity and mainly undergoes compression deformation in the early stage of installation, so that when a gap is formed between the pressure gauge and concrete after expansion and contraction, the elastic sleeve can rebound freely, thereby effectively filling the gap between the pressure gauge and the concrete and ensuring that external pressure is transmitted to the pressure plate.
Description
Technical field
The invention belongs to civil engineering safety monitoring fields, and in particular to a kind of concrete pressure meter mounting structure and its peace
Dress method.
Background technology
Pressure gauge can directly monitor the compression of concrete structure (retaining wall, dam etc.), using the most common one is liquid
Pressure type pressure gauge.Its principle is：It is full of in two pieces circumferentially the metal plate internal voids of (being sometimes rectangle) sealing welding
Without gas-liquid, when there is external pressure to directly act on pressure flat, can directly be measured by the sensor being connect with pressure cell
Pressure value.
In the ideal situation, should be to be in close contact when pressure gauge is embedded in concrete, between pressure flat and concrete
, so that it is guaranteed that pressure cell can monitor to act on the pressure changing on tablet completely.But it is sent out in practice of construction
Existing, it is too small or do not increase with external pressure and synchronize increase often to will appear measured value for its measured value of inbuilt pressure cell in concrete
The case where, it traces it to its cause between predominantly pressure flat and concrete there are gap, delays or obstructed external pressure to be transmitted to
Pressure cell.Cause it is interstitial between pressure flat and concrete the reason is as follows that：
(1) concrete has apparent heat of hydration temperature to rise phenomenon at the initial stage of pouring so that pressure cell will produce expansion (internal liquid
Body and tablet can expand), concrete not yet consolidates at this time, and when concrete cooling cools down, pressure cell can be shunk accordingly, by
This can generate gap between pressure flat and concrete；
(2) temperature of concrete itself rises expansion, cooling meat causes stress between tablet and concrete that there are gaps；
(3) since pressure flat is metal material, there are larger differences with concrete, it is difficult to ensure to completely attach to, cause
There are gaps between pressure flat and concrete.
To solve the above problems, existing part of the manufacturer adds a pressure pipe when producing pressure gauge on pressure cell, when mixed
After solidifying soil is fully consolidated, make its expansion to the liquid pressing in pressure cell by being drawn to the pressure pipe outside concrete, ensures
It is intact between pressure flat and concrete to contact without interspacing.But external pressurized needs to purchase pressurized equipment, and need stringent
Pressure process is controlled, once misoperation, it will cause instrument to fail.In addition, work as pressure gauge burial place farther out, capstan
When longer, need to customize special pressurized equipment from producer, process is relatively complicated, while increasing manpower and materials cost.
Invention content
The present invention is directed to deficiency of the prior art, provides a kind of concrete pressure meter mounting structure and its installation
Method.To gap occur between pressure gauge and concrete when effectively solving the problem of to install pressure gauge in concrete, it is ensured that
The good communication of pressure between the two.
The present invention is achieved by the following technical programs.
A kind of concrete pressure meter mounting structure includes the pressure gauge in concrete, the pressure gauge outer sheath
Equipped with resilient sleeve, the resilient sleeve includes resilient sleeve main body, and the inner cavity for accommodating pressure gauge is provided in resilient sleeve main body, described
Resilient sleeve body top is provided with several studs, and the resilient sleeve body exterior has filled mortar between concrete.
The resilient sleeve main body is cuboid or cylinder.
The stud is latticed arrangement.
The pressure gauge is bonded together by glue and resilient sleeve.
A kind of concrete pressure meter installation method, steps are as follows for installation method：
(1) stacking pressure meter：Indoor preparation pressure gauge, and making and the mating resilient sleeve of pressure gauge size, in pressure gauge
Pressure gauge, is then put into the inner cavity of resilient sleeve by peripheral spreading glue, makes the two fitting completely；
(2) in-site installation pressure gauge：By in step (1) assembled pressure gauge and resilient sleeve component to be transported to installation existing
, at the position for burying pressure gauge, the mortar of one layer of 200mm thickness is first poured, then by assembled pressure gauge and resilient sleeve component
Be placed on mortar and fixed position, then proceed to the mortar for pouring one layer of 200mm thickness, and add on mortar 5~10kg iron blocks into
Row precompressed makes to contact between mortar and resilient sleeve closely knit；
(3) outer concrete is poured：After mortar initial set in step (2), continue to pour outer concrete；
Mortar in the step (2) is plain concrete mortar.
The beneficial effects of the present invention are：
Compared with prior art, the present invention is outside pressure gauge by installing resilient sleeve, its own with good elasticity,
The phase is mainly compressive deformation in a pre-installation, therefore when there is gap after pressure gauge and concrete breathing, and resilient sleeve can be returned freely
Bullet, to effectively fill existing gap therebetween, it is ensured that external pressure is transmitted on pressure flat；Due on the outside of resilient sleeve
For the stud of latticed arrangement, it is possible to increase contact area, and ensure that apparent lateral sliding does not occur for the pressure gauge after installation, it carries
High installation quality；Due to pouring a laminin concrete mortar between resilient sleeve and agent structure concrete, mortar mobility compared with
Good, non-coarse aggregate, therefore fillable fine gap, and pressure concentration phenomenon is not present, it is ensured that it measures accurate.Due to being poured in mortar
After building completion and initial set, so that it may continue directly to external casting concrete and pour, not influence to pour progress, save the time, improve effect
Rate.In addition, the present invention need not additionally increase equipment and there is no the risk of damage instrument, construct simple, strong applicability, economy
Property is preferable.
Description of the drawings
Fig. 1 is the elevation of the present invention；
Fig. 2 is the side view of the present invention；
Fig. 3 is the vertical view of the present invention；
Fig. 4 is the structural schematic diagram of resilient sleeve in the present invention.
In figure：1- resilient sleeves, 2- pressure gauges, 3- mortars, 4- concrete, 11- resilient sleeve main bodys, the inner cavities 12-, 13- studs.
Specific implementation mode
Technical scheme of the present invention is further described below in conjunction with the accompanying drawings, but claimed range is not limited to institute
It states.
As shown in Figures 1 to 4, a kind of concrete pressure meter mounting structure of the present invention, including it is mounted on concrete 4
Interior pressure gauge 2,2 outer sheath of the pressure gauge are equipped with resilient sleeve 1, and the resilient sleeve 1 includes resilient sleeve main body 11, in resilient sleeve
The inner cavity 12 for accommodating pressure gauge 2 is provided in main body 11,11 top of the resilient sleeve main body is provided with several studs 13, the bullet
Property set main body 11 outside mortar 3 has been filled between concrete 4.Mortar 3 in the technical program is plain concrete mortar, is led to
It crosses mortar 3 and can ensure that pressure cell is in direct contact with mortar, and pressure concentration phenomenon is not present, cusp, institute is not present in non-coarse aggregate
It is 200mm to state 3 thickness of mortar.It is described and then in its external casting concrete 4 after the mortar 3 pours completion and initial set
Concrete 4 is identical as the concrete of agent structure.By installing resilient sleeve outside pressure gauge, its own has good the present invention
Elasticity, the phase is mainly compressive deformation in a pre-installation, therefore when there is gap after pressure gauge and concrete breathing, and resilient sleeve can
It freely springs back, to effectively fill existing gap therebetween, it is ensured that external pressure is transmitted on pressure flat.
The resilient sleeve main body 11 is cuboid or cylinder.The size of the inner cavity 12 of the resilient sleeve main body 11 can guarantee
The pressure cell of pressure gauge 2 is put into completely.
The stud 13 be latticed arrangement, and with pressure flat homonymy.By arranging that stud 13 can increase contact area,
And ensure that apparent lateral sliding does not occur for the resilient sleeve 1.
The pressure gauge 2 is bonded together by glue and resilient sleeve 1.
As shown in Figures 1 to 4, a kind of concrete pressure meter installation method, steps are as follows for installation method：
(1) stacking pressure meter：For avoid site operation interfere and dust influence, indoors prepare pressure gauge 2, and make with
Then pressure gauge 2 is put into the inner cavity of resilient sleeve 1 by the mating resilient sleeve 1 of 2 size of pressure gauge in the peripheral spreading glue of pressure gauge 2
In 12, make the two fitting completely；
(2) in-site installation pressure gauge：By in step (1) assembled pressure gauge 2 and 1 component of resilient sleeve to be transported to installation existing
, at the position for burying pressure gauge 2, the mortar 3 of one layer of 200mm thickness is first poured, then by assembled pressure gauge 2 and resilient sleeve 1
Component is placed on mortar 3 and fixed position, then proceedes to the mortar 3 for pouring one layer of 200mm thickness, and add 5~10kg on mortar 3
Iron block carries out precompressed, make to contact between mortar 3 and resilient sleeve 1 it is closely knit, while every 1 hour acquisition primary transducer output valve,
To examine whether sensor works normally, the fitting situation between pressure gauge 2, resilient sleeve 1, mortar 3.When sensor is sustainable defeated
When going out measured value and not fluctuating widely, show that instrument work is good, otherwise needs to check sensor cable or directly replace
Sensor；When sensor output value is during persistent pressure, does not occur synchronous increase, show pressure gauge 2, resilient sleeve 1, sand
There are gaps between slurry 3, need to be ressembled according to step (2) at this time.
By test of many times, the thickness that pours of mortar 3 is the most economical practicalities of 200mm in the step, and effect is preferable；Due to existing
It is all to need the progress that races against time that field, which installs instruments, and needing to complete then transfering work face as early as possible can not ensure to pacify if thickness is too thin
Packing quality increases workload if too thick and is not easy to implement.
(3) outer concrete is poured：After 3 initial set of plain concrete mortar in step (2), continue to pour outer concrete 4.
Concrete 4 using the identical concrete with agent structure (retaining wall, dam etc.), agent structure here be retaining wall,
The structures such as dam.
Mortar 3 in the step (2) is plain concrete mortar.Pressure cell and mortar are can ensure that by plain concrete mortar
It is in direct contact, and pressure concentration phenomenon is not present, cusp is not present in plain concrete mortar non-coarse aggregate.
Claims (4)
1. a kind of installation method of concrete pressure meter mounting structure, it is characterised in that：The concrete pressure meter mounting structure
Including the pressure gauge (2) being mounted in concrete (4), pressure gauge (2) outer sheath is equipped with resilient sleeve (1), the resilient sleeve
(1) include resilient sleeve main body (11), the inner cavity (12) for accommodating pressure gauge (2), the bullet are provided in resilient sleeve main body (11)
Property set main body (11) at the top of be provided with several studs (13), is filled out between concrete (4) outside the resilient sleeve main body (11)
Mortar (3) is built；Steps are as follows for its installation method：
(1) stacking pressure meter：Indoor preparation pressure gauge (2), and making and the mating resilient sleeve (1) of pressure gauge (2) size, are pressing
Pressure gauge (2), is then put into the inner cavity (12) of resilient sleeve (1) by power meter (2) periphery spreading glue, makes the two fitting completely；
(2) in-site installation pressure gauge：By in step (1) assembled pressure gauge (2) and resilient sleeve (1) component to be transported to installation existing
, the mortar (3) of one layer of 200mm thickness is first poured at the position for burying pressure gauge (2), then by assembled pressure gauge (2) and bullet
Property set (1) component be placed on mortar (3) and fixed position, then proceed to the mortar (3) for pouring one layer of 200mm thickness, and in mortar
(3) on plus 5~10kg iron blocks carry out precompressed, make to contact between mortar (3) and resilient sleeve (1) closely knit；
(3) outer concrete is poured：After mortar (3) initial set in step (2), continue to pour outer concrete (4).
2. a kind of installation method of concrete pressure meter mounting structure according to claim 1, it is characterised in that：The bullet
Property set main body (11) be cuboid or cylinder.
3. a kind of installation method of concrete pressure meter mounting structure according to claim 1, it is characterised in that：It is described convex
It is latticed arrangement to follow closely (13).
4. a kind of installation method of concrete pressure meter mounting structure according to claim 1, it is characterised in that：The step
Suddenly the mortar (3) in (2) is plain concrete mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610613951.5A CN106124109B (en) | 2016-07-30 | 2016-07-30 | Concrete pressure gauge mounting structure and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610613951.5A CN106124109B (en) | 2016-07-30 | 2016-07-30 | Concrete pressure gauge mounting structure and mounting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106124109A CN106124109A (en) | 2016-11-16 |
| CN106124109B true CN106124109B (en) | 2018-11-02 |
Family
ID=57255106
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610613951.5A Active CN106124109B (en) | 2016-07-30 | 2016-07-30 | Concrete pressure gauge mounting structure and mounting method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1866005A (en) * | 2006-05-12 | 2006-11-22 | 郑万山 | Method for testing real stress of self-compensating concrete structure and concrete real stress gauge |
| CN101221075A (en) * | 2007-12-24 | 2008-07-16 | 中国水电顾问集团中南勘测设计研究院 | Frictional resistance meter and its testing method |
| CN101220587A (en) * | 2007-12-21 | 2008-07-16 | 溧阳市天目仪器厂 | Pressuremeter device of rock soil in situ test instrument |
| CN201137615Y (en) * | 2007-11-30 | 2008-10-22 | 徐怀冲 | Expanding screw bolt immobilizing jacket |
| CN102384802A (en) * | 2011-08-08 | 2012-03-21 | 大连理工大学 | Embedded type sensor of overall process shear stress of concrete dynamic damage |
| CN102619240A (en) * | 2012-04-19 | 2012-08-01 | 河海大学 | Device for testing counterforce of sunk well foundation subsealing concrete |
| CN103674353A (en) * | 2013-12-20 | 2014-03-26 | 中南大学 | Concrete stress sensor by piezoelectric properties of PVDF (polyvinylidene fluoride) film |
| CN205919919U (en) * | 2016-07-30 | 2017-02-01 | 中国电建集团贵阳勘测设计研究院有限公司 | Concrete pressure gauge mounting structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62204110A (en) * | 1986-03-05 | 1987-09-08 | Taisei Corp | Strain measuring method for concrete |
-
2016
- 2016-07-30 CN CN201610613951.5A patent/CN106124109B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1866005A (en) * | 2006-05-12 | 2006-11-22 | 郑万山 | Method for testing real stress of self-compensating concrete structure and concrete real stress gauge |
| CN201137615Y (en) * | 2007-11-30 | 2008-10-22 | 徐怀冲 | Expanding screw bolt immobilizing jacket |
| CN101220587A (en) * | 2007-12-21 | 2008-07-16 | 溧阳市天目仪器厂 | Pressuremeter device of rock soil in situ test instrument |
| CN101221075A (en) * | 2007-12-24 | 2008-07-16 | 中国水电顾问集团中南勘测设计研究院 | Frictional resistance meter and its testing method |
| CN102384802A (en) * | 2011-08-08 | 2012-03-21 | 大连理工大学 | Embedded type sensor of overall process shear stress of concrete dynamic damage |
| CN102619240A (en) * | 2012-04-19 | 2012-08-01 | 河海大学 | Device for testing counterforce of sunk well foundation subsealing concrete |
| CN103674353A (en) * | 2013-12-20 | 2014-03-26 | 中南大学 | Concrete stress sensor by piezoelectric properties of PVDF (polyvinylidene fluoride) film |
| CN205919919U (en) * | 2016-07-30 | 2017-02-01 | 中国电建集团贵阳勘测设计研究院有限公司 | Concrete pressure gauge mounting structure |
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| CN106124109A (en) | 2016-11-16 |
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