CN105856393B - A kind of mould for pouring half embedded type concrete and manufacture method and casting method - Google Patents
A kind of mould for pouring half embedded type concrete and manufacture method and casting method Download PDFInfo
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- CN105856393B CN105856393B CN201610240858.4A CN201610240858A CN105856393B CN 105856393 B CN105856393 B CN 105856393B CN 201610240858 A CN201610240858 A CN 201610240858A CN 105856393 B CN105856393 B CN 105856393B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/22—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
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Abstract
The present invention discloses a kind of mould for pouring half embedded type concrete and manufacture method and casting method, belongs to reinforced concrete structures and is good for monitoring technical field, it includes bed die, the middle mould being placed on bed die, and the backform that middle mould is fixed on bed die；Bed die upper surface is evenly distributed with some first positioning holes；Middle mould is in upper and lower two panels symmetrically hollow ring body, is evenly distributed with some electrode positioning holes on ring body cavity inner wall, the middle part of electrode positioning hole is provided with threading hole；There are some second positioning holes the upper surface of middle mould；Several the 3rd positioning holes are evenly arranged with backform, the 3rd positioning hole is logical.Compared to the prior art, once concrete on fire, which occurs, can intactly preserve performance change of the construction material in fire generating process in fire process, the data being collected into are more effectively reliable for the sensor that the mould of the present invention pours；Simple structure of the present invention, stable performance, cost are cheap, the extensive use suitable for civil engineering.
Description
Technical field
Monitoring technical field, particularly one kind, which are good for, the present invention relates to reinforced concrete structures pours half embedded type concrete
Mould and manufacture method and casting method.
Background technology
Concrete structure is the civil engineering structure having a large capacity and a wide range, and earthquake, typhoon, collision are can suffer from during use
Acted on Deng power catastrophe, cause structural damage.Therefore timely and accurately carry out structure detection for structural repair optimal decision extremely
Close important.At present, there are many structure partial damage detecting methods, such as ultrasonic method, sound emission, infrared thermal imagery method, rebound method, same to position
Plain probe method etc., these detection methods are disadvantageous in that：(1) can only qualitative detection, it is real inside configuration can not to be provided
Stress information；(2) poor in timeliness is detected, structural damage evolutionary process can not be drawn；(3) equipment is heavy, cost is high.
In order to obtain the stress information of the inside in concrete structure power damage process, most directly effective method is exactly
In the key position such as bean column node region embedment strain gauge of structure.Generally, resistance strain gauge force transducer is deposited
Dynamic response hysteresis, service life is short the shortcomings that；Piezoresistive force sensor complex manufacturing technology, cost are high；Capacitive force passes
Sensor output characteristics it is non-linear it is more serious, measurement accuracy is low；Measure the piezo-electric type dynamic stress sensor technology of dynamic stress
It is very ripe, the sensor embedment inside configuration of small volume is can be made into, but such a sensor outer housing is made of metal, and is significantly changed
Become point position Local influence Anlysis and influence measurement accuracy, and poor compatibility between sensor and concrete, enter in concrete
Nonlinear phase interface can be easily separated failure, in addition this kind of sensor usually using quartz material as sensing element, price
Costliness, it is not easy the large-scale popularization in civil engineering structure.
At present, embedded type concrete damage diagnosis sensing element mainly has cement base piezoelectric ceramic sense element and cement base
Piezo-electricity composite material two ways.The Zhao Xiao swallow thesis for the doctorate of Dalian University of Technology《Monitoring structural health conditions based on piezoelectric ceramics
And damage diagnosis》In the cement base piezoelectric ceramic sense element that is previously mentioned, its weak point is cement mortar used in (1) in coagulation
The horizontal lower easily cracking of soil structure high pressure stress, causes internal piezoelectric ceramic piece to damage, is not suitable for dynamic damage process monitoring (2)
The position of piezoelectric patches can not be guaranteed, and stress bang path is not known；(3) it is not easy vibration compacting；University Of Ji'nan's Huang generation peak
Delivered on composite journal《The performance of 1-3 type cement base piezoelectric composite material sensors》The 1-3 types mentioned in one text
Cement base piezoelectric composite material sensing element manufacture craft is more complicated, cost is high.
The content of the invention
In order to solve in the prior art, half buried electrode position inaccurate, it is unfavorable for timely and accurately entering building
The shortcomings that row structure detection, the invention provides a kind of mould for pouring half embedded type concrete and manufacture method and the side of pouring
Method.
A kind of mould for pouring half embedded type concrete, includes bed die, the middle mould being placed on bed die, and by middle mould
The backform being fixed on bed die；Bed die upper surface is evenly distributed with some first positioning holes, and the first positioning hole includes through hole and half
Through hole, two through holes are one group, and two half-vias are one group, and two groups of positioning hole intervals are uniformly distributed；Middle mould is in upper and lower two panels pair
The hollow ring body claimed, some electrode positioning holes is evenly distributed with ring body cavity inner wall, the middle part of electrode positioning hole is provided with break-through
The threading hole of cavity inner wall；The upper surface of middle mould is evenly distributed with some second positioning holes, and the second positioning hole is through hole；On backform
Several the 3rd positioning holes are evenly arranged with, the 3rd positioning hole is through hole, the position of the 3rd positioning hole and the lead to the hole site of bed die
It is corresponding.
Further, bed die is in integrally boss shape, is mutually stacked and formed with one heart with lower shoe by upper plate, and the upper plate is
Annular, lower shoe are the plectane that radius is more than upper plate, and first positioning hole is respectively positioned on the annulus upper surface of upper plate；Institute
It is in annular to state middle mould, the middle part of the electrode positioning hole distribution cavity inner wall；The backform is flat plectane, is placed in
On middle mould.
Further, the external diameter of bed die lower shoe is 220-240mm, and the external diameter of upper plate is 200-220mm, lower shoe
Internal diameter is consistent with the internal diameter of upper plate；The cavity internal diameter of middle mould is 90-100mm, external diameter 110-120mm, thickness 25-
35mm；A diameter of 110-120mm of backform, thickness 8-12mm.
Further, electrode positioning hole is rectangle, and width 18-22mm, depth 18-22mm, quantity is 16；Wear
A diameter of 4-6mm of string holes.
Further, the electrode with cable is installed in electrode positioning hole, cable is connected through threading hole with electrode,
The shape of electrode is engaged with electrode positioning hole, length 36-44mm.
Further, the material of bed die, middle mould and backform is Q235 steel.
A kind of manufacture method for being used to pour the mould of half embedded type concrete, manufacture method include：
A. process bed die, by the center of circle of upper plectane and lower plectane overlap stack, be uniformly drilled with bed die upper surface through hole and
Half-via；
B. mould in processing, uniformly opens up some electrode positioning holes, at the middle part of electrode positioning hole on middle mould cavity inner wall
Threading hole is drilled with, some through holes are uniformly drilled out in the upper surface of middle mould；
C. process backform, several through holes uniformly drilled out on backform, be the 3rd positioning hole, the position of the 3rd positioning hole with
The lead to the hole site of bed die is corresponding；
D. machined electrode, carbon cloth is bonded into glue host dipping glue and curing agent impregnates glue according to 2：1 mass ratio,
Mix 2 minutes, pour into cube module embedded with electrode slice, condense hardening 24h, electrode fabrication is completed.
A kind of casting method for being used to pour the mould of half embedded type concrete, method include：
A. bed die is placed, bed die is lain against on horizontal plane；
B. mould in installing, middle mould is lain against the surface of bed die, the through hole of middle mould and the through hole of bed die is overlapped, will
Bolt is correspondingly threaded onto in through hole, tightens bolt, and middle mould and bed die are integrally fixed；
C., electrode is installed, electrode pair should be installed in the electrode positioning hole on middle mould inwall, it is fixed；
D., backform is installed, backform is lain against to the surface of middle mould, the through hole of the through hole of backform and middle mould overlaps, by spiral shell
Bolt is correspondingly fixed in all through holes, tightens bolt, and backform, middle mould and bed die are integrally fixed；
E. pour, by concrete by being poured in pouring hole reserved on backform；
F. molding, completed in concreting and after striking time as defined in reaching, first remove backform, then mould in removing,
Finally remove bed die.
Compared to the prior art the present invention, the advantage is that：
1. the mould of the present invention reduces procedure of processing, shorten skilled worker's cycle of mould, improve efficiency, save material,
Simple structure, stable performance, cost are cheap, the extensive use suitable for civil engineering.
2. electrode can accurately be embedded in position needed for concrete in advance by the sensor that the mould of the present invention pours out, receive
The data collected are more effectively reliable；Its structure has preferable compression strength, can dramatically increase service life, reduces mixed
The replacing number of native sensor is coagulated, avoids building trouble unnecessary in monitoring, concrete on fire, which occurs, can intactly preserve fire
Performance change of the construction material in fire generating process during calamity, data are more effectively reliable.
3. the method and step of the present invention is simple, easily operated, the time is saved, can be widely applied in civil engineering detection.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram of bed die of the present invention；
Fig. 2 is the main structure diagram of bed die of the present invention；
Fig. 3 is the present invention looks up structural representation of mould up/down piece in the present invention；
Fig. 4 is the overlooking the structure diagram of mould up/down piece in the present invention；
Fig. 5 is the main structure diagram of mould in the present invention；
Fig. 6 is the overlooking the structure diagram of backform of the present invention；
Fig. 7 is the main structure diagram of backform of the present invention；
In figure, 1, bed die, 2, through hole, 3, half-via, 4, upper plate, 5, lower shoe, the 6, first positioning hole, 7, middle mould, 8,
Second positioning hole, 9, electrode positioning hole, 10, threading hole, 11, backform.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, the present invention is expanded on further.
A kind of mould for pouring half embedded type concrete, include the bed die 1 to play a supportive role, be placed on bed die 1
Middle mould 7, and the backform 11 that middle mould 7 is fixed on bed die 1.
The boring of bed die 1, it is in boss shape that bed die 1 is overall, is mutually stacked and formed with lower shoe 5 by upper plate 4, upper plate 4
For annular, lower shoe 5 is the plectane that radius is more than upper plate, and the upper surface of upper plate 4 is evenly distributed with some first positioning holes
6, the first positioning hole 6 includes through hole 2 and half-via 3, and two through holes 2 are one group, and two half-vias 3 are one group, and two group first fixed
Position hole interval is uniformly distributed.
Middle mould 7 is in the symmetrical annular of upper and lower two panels, is hollow ring body, and being evenly distributed with some electrodes on cavity inner wall determines
Position hole 9, electrode positioning hole 9 are distributed the middle part of cavity inner wall；The middle part of electrode positioning hole 9 is provided with wearing for break-through cavity inner wall
The hole of line 10；Electrode with cable is installed, cable is connected through threading hole 10 with electrode in electrode positioning hole 9.Middle mould 7
Upper surface is evenly distributed with some second positioning holes 8, and the second positioning hole 8 is through hole.
It is evenly arranged with several the 3rd positioning holes 6 on backform 11, the 3rd positioning hole 6 is through hole, the position of the 3rd positioning hole
Put corresponding with the position of the through hole of bed die 12.Backform 11 is flat plectane, is placed on middle mould 7.
As optimization, the external diameter of the lower shoe 5 of bed die 1 is 220-240mm, and the external diameter of upper plate 4 is 200-220mm, under
The internal diameter of bottom plate 5 is consistent with the internal diameter of upper plate 4；The cavity internal diameter of middle mould 7 is 90-100mm, external diameter 110-120mm, thick
Spend for 25-35mm；A diameter of 110-120mm of backform 11, thickness 8-12mm.
As optimization, electrode positioning hole 9 is rectangle, width 18-22mm, depth 18-22mm, quantity 16
It is individual；A diameter of 4-6mm of threading hole 10.
As optimization, the shape of electrode is engaged with electrode positioning hole 9, length 36-44mm.
As optimization, bed die 1, the material of middle mould 7 and backform 11 is Q235 steel.
A kind of manufacture method for the mould for pouring half embedded type concrete includes：
A. bed die is processed.Shape is identical, and the upper plate and the center of circle of lower shoe that internal diameter size is more or less the same, which overlap, to be stacked,
With center of circle array, positioning hole is uniformly drilled with bed die upper surface, positioning hole includes through hole and half-via, and two through holes are one group,
Two half-vias are one group, and two groups of positioning hole intervals are uniformly distributed；
B. mould in processing.With the center of circle array of middle mould, some electrode positioning holes are uniformly opened up on middle mould cavity inner wall,
Threading hole is drilled with the middle part of electrode positioning hole；With the center of circle array of middle mould, some through holes are uniformly drilled out in the upper surface of middle mould；
C. backform is processed.Several through holes are uniformly drilled out on backform, are the 3rd positioning hole, the position of the 3rd positioning hole with
The lead to the hole site of bed die is corresponding；
D. machined electrode.Carbon cloth is bonded into glue host dipping glue and curing agent dipping glue proportionally 2：1 quality
Ratio, mix 2 minutes, pour into cube module embedded with electrode slice, condense hardening 24h, electrode fabrication is completed.
A kind of method for the mould for pouring half embedded type concrete includes：
A. bed die is placed, bed die is lain against on horizontal plane；
B. mould in installing, middle mould is lain against the surface of bed die, the through hole of middle mould and the through hole of bed die is overlapped, will
Bolt is correspondingly threaded onto in through hole, tightens bolt, and middle mould and bed die are integrally fixed；
C., electrode is installed, electrode pair should be installed in the electrode positioning hole on middle mould inwall, it is fixed；
D., backform is installed, backform is lain against to the surface of middle mould, the through hole of the through hole of backform and middle mould overlaps, by spiral shell
Bolt is correspondingly fixed in all through holes, tightens bolt, and backform, middle mould and bed die are integrally fixed；
E. pour, normal silicate 42.5R cement, normal sand is completed according to design mixture proportion, mixer stirring stirring
Afterwards, by the concrete newly stirred by being poured in pouring hole reserved on backform；
F. molding, after the completion of concreting, test block that this mould used is poured, it is placed on 20 ± 3 DEG C of temperature
With conserved 2 days in the humid air of relative humidity more than 90% after form removal, form removal order：Backform is first removed, then mould in removing, most
After remove bed die.
Sensor compression strength detects：Poured simultaneously using the bright concrete mold of this law and commercially available A, B concrete mold
Sensor is built, used to pour material, proportioning all same, Transducers Embedded in Concrete 10cm depth, pressure resistance is carried out with the conditions of at room temperature
Degree detection, parallel 5 groups, wherein, the sensor compression strength that mould of the invention pours is 52.3MPa, and A sensors are
38.3MPa, B sensor are 35.1MPa.
Pour the operation principle of the mould of half embedded type concrete：Electrode is embedded in concrete structure in advance, concrete coagulates
Gu after, be embedded in building bears the positions such as post, when structure is by external impetus load action, according to piezo-electric effect,
The vertical front and rear surfaces of piezoelectric ceramics polarised direction can produce equivalent and electrically opposite electric charge, and the quantity of electric charge is with shear stress into just
Than this electric charge being converted into voltage signal by charge amplifier, and deposit voltage signal by corresponding signal acquiring system
Enter in computer, using the sensitivity coefficient between the sensor voltage and stress section stress of dynamic load experimental calibration, from
And it can realize and the shear stress of concrete structure power damage overall-process is monitored.
It should be noted last that above embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although the present invention is described in detail with reference to preferred embodiment, it will be understood by those within the art that, can be right
Technical scheme is modified or equivalent substitution, and without departing from the spirit and scope of technical solution of the present invention, its is equal
It should cover among scope of the presently claimed invention.
Claims (8)
- A kind of 1. mould for pouring half embedded type concrete, it is characterised in that include bed die, the middle mould being placed on bed die, And the backform that middle mould is fixed on bed die；The bed die upper surface is evenly distributed with some first positioning holes, and first positioning hole includes through hole and half-via, and two The individual through hole is one group, and two half-vias are one group, and two groups of positioning hole intervals are uniformly distributed；The middle mould is in upper and lower two panels symmetrically hollow ring body, and some electrode positioning holes are evenly distributed with ring body cavity inner wall, The middle part of the electrode positioning hole is provided with the threading hole of break-through cavity inner wall；The upper surface of the middle mould is evenly distributed with some Two positioning holes, second positioning hole are through hole；Several the 3rd positioning holes are evenly arranged with the backform, the 3rd positioning hole is through hole, the 3rd positioning hole Position it is corresponding with the lead to the hole site of the bed die.
- 2. a kind of mould for pouring half embedded type concrete according to claim 1, it is characterised in that bed die is integrally in convex Platform shape, is mutually stacked and formed with one heart by upper plate with lower shoe, and the upper plate is annular, and lower shoe is that radius is more than upper plate Plectane, first positioning hole is respectively positioned on the annulus upper surface of upper plate；The middle mould is in annular, the electrode positioning hole It is distributed the middle part of cavity inner wall；The backform is flat plectane, is placed on middle mould.
- A kind of 3. mould for pouring half embedded type concrete according to claim 1, it is characterised in that the bed die bottom The external diameter of plate is 220-240mm, and the external diameter of upper plate is 200-220mm, and the internal diameter of lower shoe is consistent with the internal diameter of upper plate； The cavity internal diameter of the middle mould is 90-100mm, external diameter 110-120mm, thickness 25-35mm；The backform it is a diameter of 110-120mm, thickness 8-12mm.
- A kind of 4. mould for pouring half embedded type concrete according to claim 1, it is characterised in that the electrode positioning Hole is rectangle, and width 18-22mm, depth 18-22mm, quantity is 16；A diameter of 4-6mm of the threading hole.
- A kind of 5. mould for pouring half embedded type concrete according to claim 1, it is characterised in that the electrode positioning Electrode with cable is installed, cable is connected through threading hole with electrode, shape and the electrode positioning hole phase of electrode in hole Coordinate, length 36-44mm.
- A kind of 6. mould for pouring half embedded type concrete according to claim 1, it is characterised in that the bed die, in The material of mould and backform is Q235 steel.
- A kind of 7. manufacture method for any one of the claim 1-6 mould, it is characterised in that the manufacture method bag Include：A. bed die is processed, the center of circle of upper plectane and lower plectane is overlapped and stacked, through hole and half is uniformly drilled with bed die upper surface and is led to Hole；B. mould in processing, some electrode positioning holes are uniformly opened up on middle mould cavity inner wall, are drilled with the middle part of electrode positioning hole Threading hole, some through holes are uniformly drilled out in the upper surface of middle mould；C. process backform, several through holes uniformly drilled out on backform, be the 3rd positioning hole, the position of the 3rd positioning hole with The lead to the hole site of bed die is corresponding；D. machined electrode, carbon cloth is bonded into glue host dipping glue and curing agent impregnates glue according to 2：1 mass ratio, mixing Stirring 2 minutes, is poured into cube module embedded with electrode slice, condenses hardening 24 hours, and electrode fabrication is completed.
- 8. a kind of casting method for any one of the claim 1-6 mould, it is characterised in that methods described includes：A. bed die is placed, bed die is lain against on horizontal plane；B. mould in installing, middle mould is lain against the surface of bed die, the through hole of middle mould and the through hole of bed die is overlapped, by bolt It is corresponding to be threaded onto in through hole, bolt is tightened, middle mould and bed die are integrally fixed；C., electrode is installed, electrode pair should be installed in the electrode positioning hole on middle mould inwall, it is fixed；D., backform is installed, backform is lain against to the surface of middle mould, the through hole of the through hole of backform and middle mould overlaps, by bolt pair It should be fixed in all through holes, tighten bolt, backform, middle mould and bed die are integrally fixed；E. pour, by concrete by being poured in pouring hole reserved on backform；F. molding, completed in concreting and after striking time as defined in reaching, first remove backform, then mould in removing, finally Remove bed die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610240858.4A CN105856393B (en) | 2016-04-19 | 2016-04-19 | A kind of mould for pouring half embedded type concrete and manufacture method and casting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610240858.4A CN105856393B (en) | 2016-04-19 | 2016-04-19 | A kind of mould for pouring half embedded type concrete and manufacture method and casting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105856393A CN105856393A (en) | 2016-08-17 |
| CN105856393B true CN105856393B (en) | 2017-11-24 |
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| CN201610240858.4A Expired - Fee Related CN105856393B (en) | 2016-04-19 | 2016-04-19 | A kind of mould for pouring half embedded type concrete and manufacture method and casting method |
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| CN104827550A (en) * | 2015-05-13 | 2015-08-12 | 中南大学 | Precracking rebar concrete sample molding die and sample molding method |
| CN104883092A (en) * | 2015-06-19 | 2015-09-02 | 清华大学 | Road-use cement-based material pressure power generation packaging structure |
| CN205614809U (en) * | 2016-04-19 | 2016-10-05 | 济南大学 | Pour mould of formula of partly buryying concrete |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012024500A1 (en) * | 2010-08-18 | 2012-02-23 | Life Technologies Corporation | Chemical coating of microwell for electrochemical detection device |
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2016
- 2016-04-19 CN CN201610240858.4A patent/CN105856393B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002210717A (en) * | 2001-01-17 | 2002-07-30 | Sumitomo Metal Mining Co Ltd | Method for manufacturing ceramic molding |
| CN101144790A (en) * | 2007-09-14 | 2008-03-19 | 哈尔滨工业大学 | All-solid reference electrode for monitoring steel bar corrosion of concrete and its preparation method |
| CN203031736U (en) * | 2013-02-01 | 2013-07-03 | 枣庄市市政工程总公司 | Ring fan-shaped cement concrete squeezing brick mold |
| CN104111131A (en) * | 2014-04-22 | 2014-10-22 | 深圳大学 | Reinforced concrete structure stress in situ online monitoring method |
| CN104827550A (en) * | 2015-05-13 | 2015-08-12 | 中南大学 | Precracking rebar concrete sample molding die and sample molding method |
| CN104883092A (en) * | 2015-06-19 | 2015-09-02 | 清华大学 | Road-use cement-based material pressure power generation packaging structure |
| CN205614809U (en) * | 2016-04-19 | 2016-10-05 | 济南大学 | Pour mould of formula of partly buryying concrete |
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