CN110486055A - A kind of tunnel double-lining concreting anti-come to nothing tamping control device and method - Google Patents
A kind of tunnel double-lining concreting anti-come to nothing tamping control device and method Download PDFInfo
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- CN110486055A CN110486055A CN201910856611.9A CN201910856611A CN110486055A CN 110486055 A CN110486055 A CN 110486055A CN 201910856611 A CN201910856611 A CN 201910856611A CN 110486055 A CN110486055 A CN 110486055A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000002689 soil Substances 0.000 claims description 11
- 238000005266 casting Methods 0.000 claims description 9
- 230000015271 coagulation Effects 0.000 claims description 9
- 238000005345 coagulation Methods 0.000 claims description 9
- 239000011435 rock Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 abstract description 3
- 238000004080 punching Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000005808 skin problem Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of tunnel double-lining concreting anti-come to nothing tamping control device and methods, skene arch shell template including supporting setting in tunnel, skene arch shell template inner wall is provided with multiple rows of vibrator, skene arch shell template inner wall surrounding arc surface is provided with multiple concrete pressure inductors, the concrete pressure inductor includes the stress hole outputed in skene arch shell template inner wall, stress hole is provided with a door frame support, in door frame support phase to being provided with support plate between support leg, there is pressure transmission rod by open-work sliding support among support plate, the front end of pressure transmission rod is provided with stressed plate, stressed plate is concordant with skene arch shell template to be arranged in stress hole, the tail end of the pressure transmission rod is provided with pressure sensor, the pressure signal of pressure sensor is connected to a control The control output of device, controller connects the vibrator.The state poured by pressure sensor induction is, it can be achieved that automatically control vibrator.
Description
Technical field
The present invention relates to a kind of tunnel double-lining concreting anti-come to nothing tamping control device and methods.
Background technique
It pours tunnel double-lining and generally uses telescoping steel form, referred to as two serve as a contrast trolley, and two lining trolleys are seen along canal axes direction is
One about 3/4 cylindrical form shell and internal door frame composition.Template be divided to two sides touch with two kinds of backform, door frame mainly has vertical
The components such as beam, crossbeam, column, support screw composition.
It, need to be in entire two linings trolley in order to guarantee that the concrete strength for pouring completion is up to standard and concrete surface is more attractive
Stagger arrangement installation few then more than 30 is grouped in template, more then a adhesion type high frequency flat plate vibrators more than 50 are to the concrete on the inside of punching block
It vibrates.These vibrators should each be transported in entire two linings casting process within suitable opportunity and period
Row.For example, concrete that will be pre-hardening cannot vibrate again, otherwise concrete can crack；Each vibrator vibrating time cannot mistake
Long, not so segregation phenomenon can occur for inner concrete, to substantially reduce the intensity of concrete；If some vibrator does not have work
Make or the working time is too short, also lead to inner concrete intensity deficiency at this and pitted skin problem occurs.And these vibrators
Each run will rely on manual operation, the problem is that:
1. leakage often occurs during manual operation for vibrator, mistake is shaken and situation of shaking less, and vibrator operation
Opportunity and the time of operation are difficult accurate control.Concrete strength to not can guarantee each position all reach requirement and
The problems such as avoiding pitted skin.
2. worker is in order to pour end for the mould two lining as early as possible, and worker can not sentence in concreting process
In the case where disconnected trolley stress size, it is easy to which the peril that quick-fried mould occurs occurs.
3. worker is difficult that whether accurate judgement vault concrete fills, and then easily sends out when concreting to vault
The quality problems that raw vault comes to nothing.
Summary of the invention
It is an object of the invention to propose that a kind of tunnel double-lining concreting is vibrated to prevent control device and method of coming to nothing, lead to
It crosses and installs pressure sensor additional on tunnel skene arch concreting punching block, the state poured is incuded with pressure sensor, realize
Control to vibrator improves pouring quality.
To achieve the goals above, the technical scheme is that a kind of anti-come to nothing of tunnel double-lining concreting is vibrated
Control device, the skene arch shell template including supporting setting in tunnel, is stayed between skene arch shell template and tunnel rock
There is the spacing of casting concrete, skene arch shell template inner wall is provided with multiple rows of vibrator, multiple vibrator edges of each row
The setting of skene arch shell template longitudinal gap, multiple rows of vibrator are arranged along template arc surface uniform intervals, wherein in circular arc
Arch shell template inner wall surrounding arc surface is provided with multiple concrete pressure inductors, and the concrete pressure inductor is included in
The stress hole that skene arch shell template inner wall is outputed is provided with a door frame support, the branch of door frame support around stress hole
Support foot is fixed on skene arch shell template inner wall, in door frame support phase to being provided with support plate between support leg, in support plate
Between by open-work sliding support have a pressure transmission rod, the front end of pressure transmission rod is provided with stressed plate, stressed plate and skene arch shell
Body template is concordantly arranged in stress hole, and the tail end of the pressure transmission rod is provided with pressure sensor, pressure sensor
It withstands on the top plate of door frame support, the pressure signal of pressure sensor is connected to a controller, and the control of controller, which exports, to be connected
Connect the vibrator.
Scheme is further: there are the gaps for being not more than 1mm between the stressed plate periphery and skene arch shell template.
Scheme is further: the stress hole is round or rectangular hole, the diameter in round cavity be 100mm extremely
120mm, the side length of rectangular hole are 100mm to 120mm.
Scheme is further: 2 meters of multiple vibrator intervals setting of each row, row and 2 meters of row interval, adjacent row vibrator
It is staggered.
Scheme is further: the concrete pressure inductor uniformly divides on skene arch shell template top along central axis
Cloth at least four, the concrete pressure inductor described in two side template of central axis are arranged every row, every the concrete pressure of row's setting
The each row of inductor at least one, the setting of concrete pressure inductor is adjacent among row's two, middle section vibrator
The interlaced setting of concrete pressure inductor.
A kind of anti-control method of vibrating of coming to nothing of tunnel double-lining concreting, is based on the tunnel double-lining concreting
The control method of vibrating of the anti-tamping control device that comes to nothing, which is characterized in that the method includes the step of be:
One, determine the pressure threshold of concrete pressure inductor, process is: according to pouring one drawdown ratio of live actual fabrication
Example model obtains each pressure spot pressure parameter of concrete pressure inductor by scale model to scale model casting concrete, into
And determine the pressure threshold every the concrete pressure inductor of row's setting, by pressure threshold input controller；
Two, start concreting, the pressure value of concrete pressure inductor is detected one by one from low to high, when detecting concrete
When pressure inductor reaches setting pressure threshold, start vibrator according to the vibration timing of setting, until pouring end.
Scheme is further: the concrete pressure inductor uniformly divides on skene arch shell template top along central axis
Cloth at least four, 4 concrete pressure inductors are known as vault concrete pressure inductor, described in two side template of central axis
Concrete pressure inductor every row be arranged, every row setting one row of concrete pressure inductor at least one, a concrete
Pressure inductor setting is known as encircleing side coagulation among row's two, middle section vibrator every the concrete pressure inductor of row's setting
Soil pressure inductor, the pressure threshold include vault concrete pressure inductor pressure threshold and arch side concrete pressure induction
Device pressure threshold；
The vault concrete pressure inductor pressure threshold is pressure value when vault fills concrete, is to monitor vault
It is no to fill concrete；
The arch side concrete pressure inductor pressure threshold is used to start vibrator according to the vibration timing of setting.
Scheme is further: the arch side concrete pressure inductor pressure threshold include the first lateral pressure threshold value F1,
Second side to pressure threshold F2, third lateral pressure threshold value F3 and the 4th lateral pressure threshold value F4, and: F1 < F2 < F3 < F4,
In:
F1 is during the concrete water plane poured is between concrete pressure inductor present position and upper row vibrator
Between position when pressure threshold；
F2 be the concrete water plane poured be in concrete pressure inductor present position a upper row vibrator position when
Pressure threshold；
F3 is the upper row vibrator and again upper one that the concrete water plane poured is in concrete pressure inductor present position
Arrange pressure threshold when middle position between vibrator；
F4 be the concrete water plane poured be in concrete pressure inductor present position upper two rows of vibrator positions when
Pressure threshold；
The vibration timing starting vibrator is:
When pressure threshold reaches F1, when starting vibration of the one row's vibrator of concrete pressure inductor present position according to setting
Between threshold value shake, when pressure threshold reaches F2, be again started up one row's vibrator of concrete pressure inductor present position according to
The vibration time threshold of setting shakes；
When pressure threshold reaches F3, start concrete pressure inductor present position on row's vibrator according to setting vibration
Time threshold vibration, when pressure threshold reaches F4, is again started up row's vibrator on concrete pressure inductor present position
It is shaken according to the vibration time threshold of setting.
Scheme is further: the vibration time threshold is 30 seconds, and vibration in 30 seconds in two times, 15 seconds each time, is spaced 10
Second.
Scheme is further: 2 meters of multiple vibrator intervals setting of each row, row and 2 meters of row interval, adjacent row vibrator
It is staggered.
The beneficial effects of the present invention are: the state poured by pressure sensor induction, it can be achieved that control vibrator automatically
System in the case where guaranteeing that concrete strength is up to standard and avoiding pitted skin, reduces cost of labor, improves without artificial any intervention
Pouring quality.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Detailed description of the invention
Fig. 1 is tunnel and punching block casting concrete scene structural schematic diagram；
Fig. 2 is concrete pressure sensor structure schematic diagram；
Fig. 3 is vibrator and concrete pressure inductor side arrangement expanded schematic diagram.
Specific embodiment
Embodiment 1:
A kind of tunnel double-lining concreting anti-come to nothing tamping control device, as depicted in figs. 1 and 2, the tunnel double-lining coagulation
It includes the steel skene arch shell template 1 that setting is supported in tunnel that soil, which pours the anti-tamping control device that comes to nothing, is a kind of punching block
Trolley, referred to as two serve as a contrast trolleys, and two lining trolleys see it is one about 3/4 cylindrical form shell and interior door along canal axes direction
Frame (omit in figure and do not draw) composition, skene arch shell template length usually at 12 meters or so, skene arch diameter is 6 meters, 8 meters, be
It needs to design according to practice of construction.There are the spacing of casting concrete 3 between skene arch shell template and tunnel rock 2, in order to
Guarantee that the concrete strength for pouring completion is up to standard, few then more than 30 of grouping stagger arrangement installation on trolley formwork need to be served as a contrast entire two, it is more
Then a adhesion type high frequency flat plate vibrator vibrates to the concrete on the inside of punching block more than 50.These vibrators are poured in entire two lining
During building, it should each be run within suitable opportunity and period.Namely set in skene arch shell template inner wall
It is equipped with multiple rows of vibrator 4, multiple vibrators of each row are arranged along skene arch shell template longitudinal gap, and multiple rows of vibrator is along mould
Plate arc surface uniform intervals are arranged, and the specification of dither is generally, power of motor: 1.5 kilowatts, supply frequency: 0-
150HZ, revolving speed: 0-8900 revs/min, the working power of dither is to utilize frequency converter by power frequency 50HZ three-phase alternating current
Source is transformed to the AC power source of three-phase 150HZ.Each dither starting, the supply frequency of frequency converter output rise to from 0HZ
150HZ.The radius of oscillating region up and down on two lining trolley punching blocks is 1 meter, and depth is 0.8 meter, so on either
Lower spacing is still between left and right away from the spacing of two vibrators is generally proper at 2 meters or so.Therefore, multiple vibrations of each row
2 meters of the setting of 2 meters of dynamic device interval, row and row interval, adjacent row vibrator is staggered.
In order to realize the automatic control to vibrator, it is provided in skene arch shell template inner wall surrounding arc surface multiple mixed
Solidifying soil pressure inductor 5, as shown in Fig. 2, the concrete pressure inductor includes outputing in 1 inner wall of skene arch shell template
Stress hole 101 is provided with a door frame support 6 around stress hole, and the support leg 601 of door frame support is fixed on skene arch shell
On body template inner wall, the influence supported to door frame is shaken in order to less, is padded between the support leg 601 and template 1 of door frame support
There is damping rubber pad 7, in door frame support phase to setting between support leg there are two support plate 602, support plate centre is sliding by open-work
Dynamic to be supported by pressure transmission rod 603, the front end of pressure transmission rod is provided with stressed plate 8, and stressed plate and skene arch shell template are flat
Neat setting is in stress hole, the inflow of cement slurry when in order to reduce grouting, 8 periphery of stressed plate and skene arch shell template
There are the gap for being not more than 1mm between 1, the tail end of the pressure transmission rod is provided with pressure sensor 604, pressure sensor
It withstands on the top plate of door frame support, the pressure signal of pressure sensor is connected to a controller, and the control of controller, which exports, to be connected
Connect the vibrator.The controller is PLC programmable controller.
Wherein: the stress hole is round or rectangular hole, and the diameter in round cavity is 100mm to 120mm, square hole
The side length in hole is 100mm to 120mm.
In order to the working state real-time monitoring to each vibrator, the position of each vibrator is provided with work
Make display lamp, display lamp is bright when in running order, and when not working, display lamp does not work.
In order to monitor the case where skene arch shell template top pours, the concrete pressure inductor is in skene arch shell
Template top is uniformly distributed at least 4 along central axis；The state that 4 concrete pressure inductors have a monitoring vault to pour.
Concrete pressure inductor is similarly set from the bottom to top in two side template of central axis, due to the concrete poured
It is semifluid, is that bottom horizontal flow sheet is always in same plane in side template, therefore, a concrete pressure inductor is set just
The concrete pressure of this horizontal plane can be sensed, as long as in this way, a column concrete pressure sense is arranged along side form circular arc interval
Answer device that can sense the concrete pressure of this Different Plane, therefore, the concrete pressure inductor can be with each row
Vibrator setting, a row are arranged one, but in order to reduce cost, the present embodiment is as shown in figure 3, in two side template institute of central axis
State concrete pressure inductor every row be arranged, every row setting one row of concrete pressure inductor at least one, a coagulation
The setting of soil pressure inductor is among row's two, middle section vibrator, and front and back adjacent concrete pressure inductor is interlaced
Setting.
Embodiment 2:
A kind of anti-control method of vibrating of coming to nothing of tunnel double-lining concreting, is the tunnel double-lining concrete according to embodiment 1
The control method of vibrating of the anti-tamping control device that comes to nothing is poured, therefore the content in embodiment 1 is suitable for the present embodiment.
Wherein, the tunnel double-lining concreting tamping control device includes the skene arch shell that setting is supported in tunnel
Body template, there are the spacing of casting concrete between skene arch shell template and tunnel rock, in skene arch shell template inner wall
It is provided with multiple rows of vibrator, multiple vibrators of each row are arranged along skene arch shell template longitudinal gap, multiple rows of vibrator edge
Template arc surface uniform intervals are arranged, wherein skene arch shell template inner wall surrounding arc surface is provided with multiple coagulations
Soil pressure inductor, the concrete pressure inductor include the stress hole outputed in skene arch shell template inner wall, are surrounded
Stress hole is provided with a door frame support, and the support leg of door frame support is fixed on skene arch shell template inner wall, in door frame
Support phase is to support plate is provided between support leg, being slidably supported among support plate by open-work has pressure transmission rod, and pressure passes
The front end for passing bar is provided with stressed plate, and stressed plate is concordant with skene arch shell template to be arranged in stress hole, in the pressure
The tail end of transmission lever is provided with pressure sensor, and pressure sensor is withstood on the top plate of door frame support, the pressure of pressure sensor
Signal is connected to a controller, and the control output of controller connects the vibrator.
The method includes the step of be:
One, determine that the pressure threshold of concrete pressure inductor, pressure threshold are set with two methods:
The first is the actual size for measuring construction site, i.e. the size of stressed plate, stressed plate loading angle and concrete pours
The specific gravity of the height and concrete built is calculated by gravity formulat and obtains each concrete pressure inductor parameter.
Second is that basis pours one diminution scale model of live actual fabrication, such as 1:5 or 1:10, to proportional die
Type casting concrete obtains each pressure spot pressure parameter of scale model concrete pressure inductor by scale model, and then determines
Every the pressure threshold of the concrete pressure inductor of row's setting；
Influence in view of environment to parameter, the present embodiment use second method and determine the concrete pressure sense every row's setting
The pressure threshold of device is answered, then by pressure threshold input controller, it is of course possible to while two methods are used, then it is compared
Determine pressure threshold；
Two, start concreting, concreting is to start simultaneously at from the two sides of template until whole pour completion, by down to
The high pressure value for detecting concrete pressure inductor one by one, when detecting that concrete pressure inductor reaches setting pressure threshold
When, start vibrator according to the vibration timing of setting, until pouring end.
Wherein: since the concrete pressure inductor is evenly distributed on skene arch shell template top along central axis
4 few, 4 concrete pressure inductors are known as vault concrete pressure inductor, the coagulation described in two side template of central axis
Soil pressure inductor every row be arranged, every row setting one row of concrete pressure inductor at least one, a concrete pressure
Inductor setting is known as encircleing side coagulation soil pressure among row's two, middle section vibrator every the concrete pressure inductor of row's setting
Power inductor；Therefore, the pressure threshold includes vault concrete pressure inductor pressure threshold and arch side concrete pressure sense
Answer device pressure threshold；
The vault concrete pressure inductor pressure threshold is pressure value when vault fills concrete, is to monitor vault
It is no to fill concrete；
The arch side concrete pressure inductor pressure threshold is used to start vibrator according to the vibration timing of setting.Encircle side coagulation
The setting of soil pressure inductor different location will correspond to and set different vibration timing；
Arch side form plate arch side concrete pressure inductor pressure threshold includes the first lateral pressure threshold value F1, the second side to pressure
Force threshold F2, third lateral pressure threshold value F3 and the 4th lateral pressure threshold value F4, and: F1 < F2 < F3 < F4, in which:
F1 is during the concrete water plane poured is between concrete pressure inductor present position and upper row vibrator
Between position when pressure threshold；
F2 be the concrete water plane poured be in concrete pressure inductor present position a upper row vibrator position when
Pressure threshold；
F3 is the upper row vibrator and again upper one that the concrete water plane poured is in concrete pressure inductor present position
Arrange pressure threshold when middle position between vibrator；
F4 be the concrete water plane poured be in concrete pressure inductor present position upper two rows of vibrator positions when
Pressure threshold；
The vibration timing starting vibrator is:
When pressure threshold reaches F1, when starting vibration of the one row's vibrator of concrete pressure inductor present position according to setting
Between threshold value shake, when pressure threshold reaches F2, be again started up one row's vibrator of concrete pressure inductor present position according to
The vibration time threshold of setting shakes；
When pressure threshold reaches F3, start concrete pressure inductor present position on row's vibrator according to setting vibration
Time threshold vibration, when pressure threshold reaches F4, is again started up row's vibrator on concrete pressure inductor present position
It is shaken according to the vibration time threshold of setting.
In embodiment: the vibration time threshold is 30 seconds, and vibration in 30 seconds in two times, 15 seconds each time, is spaced 10 seconds.
In embodiment: 2 meters of 2 meters of multiple vibrator intervals setting of each row, row and row interval, adjacent row vibrator interlocks
Arrangement.
Through the foregoing embodiment 1 and embodiment 2 Automatic Control of vibration process may be implemented, without artificial any dry
In advance, guarantee concrete strength is up to standard avoid pitted skin in the case where, reduce cost of labor, improve the quality of concreting.
Claims (10)
1. a kind of anti-tamping control device that comes to nothing of tunnel double-lining concreting, the skene arch shell including supporting setting in tunnel
Body template, there are the spacing of casting concrete between skene arch shell template and tunnel rock, in skene arch shell template inner wall
It is provided with multiple rows of vibrator, multiple vibrators of each row are arranged along skene arch shell template longitudinal gap, multiple rows of vibrator edge
Template arc surface uniform intervals are arranged, which is characterized in that are provided in skene arch shell template inner wall surrounding arc surface more
A concrete pressure inductor, the concrete pressure inductor include the stress hole outputed in skene arch shell template inner wall
Hole is provided with a door frame support around stress hole, and the support leg of door frame support is fixed on skene arch shell template inner wall,
In door frame support phase to support plate is provided between support leg, being slidably supported among support plate by open-work has pressure transmission rod,
The front end of pressure transmission rod is provided with stressed plate, and stressed plate is concordant with skene arch shell template to be arranged in stress hole, in institute
The tail end for stating pressure transmission rod is provided with pressure sensor, and pressure sensor is withstood on the top plate of door frame support, pressure sensor
Pressure signal be connected to a controller, the control output of controller connects the vibrator.
2. the anti-tamping control device that comes to nothing of concreting according to claim 1, which is characterized in that the stressed plate week
There are the gaps for being not more than 1mm between side and skene arch shell template.
3. the anti-tamping control device that comes to nothing of concreting according to claim 1 or 2, which is characterized in that the stress
Hole is round or rectangular hole, and the diameter in round cavity is 100mm to 120mm, the side length of rectangular hole be 100mm extremely
120mm。
4. the anti-tamping control device that comes to nothing of concreting according to claim 1, which is characterized in that each row's is multiple
2 meters of the setting of 2 meters of vibrator interval, row and row interval, adjacent row vibrator is staggered.
5. the anti-tamping control device that comes to nothing of concreting according to claim 1, which is characterized in that the coagulation soil pressure
Power inductor is uniformly distributed at least 4 along central axis on skene arch shell template top, described in two side template of central axis
Concrete pressure inductor every row be arranged, every row setting one row of concrete pressure inductor at least one, a concrete
Pressure inductor setting every row two, middle section vibrator among, the interlaced setting of adjacent concrete pressure inductor.
6. a kind of anti-control method of vibrating of coming to nothing of tunnel double-lining concreting, is mixed based on tunnel double-lining described in claim 1
Solidifying soil pours the control method of vibrating of the anti-tamping control device that comes to nothing, which is characterized in that the method includes the step of be:
One, determine the pressure threshold of concrete pressure inductor, process is: according to pouring one drawdown ratio of live actual fabrication
Example model obtains each pressure spot pressure parameter of concrete pressure inductor by scale model to scale model casting concrete, into
And determine the pressure threshold every the concrete pressure inductor of row's setting, by pressure threshold input controller；
Two, start concreting, the pressure value of concrete pressure inductor is detected one by one from low to high, when detecting concrete
When pressure inductor reaches setting pressure threshold, start vibrator according to the vibration timing of setting, until pouring end.
7. according to the method described in claim 6, it is characterized in that, the concrete pressure inductor is in skene arch shell template
Top is uniformly distributed at least 4 along central axis, and 4 concrete pressure inductors are known as vault concrete pressure inductor, In
Concrete pressure inductor described in two side template of central axis is arranged every row, drains into every the concrete pressure inductor one of row's setting
Rare one, the setting of concrete pressure inductor is among row's two, middle section vibrator, every the coagulation soil pressure of row's setting
Power inductor is known as encircleing side concrete pressure inductor, and the pressure threshold includes vault concrete pressure inductor pressure threshold
With arch side concrete pressure inductor pressure threshold；
The vault concrete pressure inductor pressure threshold is pressure value when vault fills concrete, is to monitor vault
It is no to fill concrete；
The arch side concrete pressure inductor pressure threshold is used to start vibrator according to the vibration timing of setting.
8. the method according to the description of claim 7 is characterized in that the arch side concrete pressure inductor pressure threshold includes
First lateral pressure threshold value F1, the second side to pressure threshold F2, third lateral pressure threshold value F3 and the 4th lateral pressure threshold value F4,
And: F1 < F2 < F3 < F4, in which:
F1 is during the concrete water plane poured is between concrete pressure inductor present position and upper row vibrator
Between position when pressure threshold；
F2 be the concrete water plane poured be in concrete pressure inductor present position a upper row vibrator position when
Pressure threshold；
F3 is the upper row vibrator and again upper one that the concrete water plane poured is in concrete pressure inductor present position
Arrange pressure threshold when middle position between vibrator；
F4 be the concrete water plane poured be in concrete pressure inductor present position upper two rows of vibrator positions when
Pressure threshold；
The vibration timing starting vibrator is:
When pressure threshold reaches F1, when starting vibration of the one row's vibrator of concrete pressure inductor present position according to setting
Between threshold value shake, when pressure threshold reaches F2, be again started up one row's vibrator of concrete pressure inductor present position according to
The vibration time threshold of setting shakes；
When pressure threshold reaches F3, start concrete pressure inductor present position on row's vibrator according to setting vibration
Time threshold vibration, when pressure threshold reaches F4, is again started up row's vibrator on concrete pressure inductor present position
It is shaken according to the vibration time threshold of setting.
9. according to the method described in claim 8, vibration in 30 seconds is divided to two it is characterized in that, the vibration time threshold is 30 seconds
It is secondary, it 15 seconds each time, is spaced 10 seconds.
10. according to the method described in claim 6, it is characterized in that, 2 meters of multiple vibrator intervals setting of each row, row with
2 meters of row interval, adjacent row vibrator is staggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910856611.9A CN110486055A (en) | 2019-09-11 | 2019-09-11 | A kind of tunnel double-lining concreting anti-come to nothing tamping control device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910856611.9A CN110486055A (en) | 2019-09-11 | 2019-09-11 | A kind of tunnel double-lining concreting anti-come to nothing tamping control device and method |
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| CN110486055A true CN110486055A (en) | 2019-11-22 |
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