CN206281814U - A kind of probe for measuring reinforced bar sleeve grouting plumpness - Google Patents
A kind of probe for measuring reinforced bar sleeve grouting plumpness Download PDFInfo
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- CN206281814U CN206281814U CN201621018627.0U CN201621018627U CN206281814U CN 206281814 U CN206281814 U CN 206281814U CN 201621018627 U CN201621018627 U CN 201621018627U CN 206281814 U CN206281814 U CN 206281814U
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- rod member
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Abstract
The utility model is related to a kind of probe for measuring reinforced bar sleeve grouting plumpness.The probe mainly includes the first electrode being made up of one end of the first conductor rod member and the second electrode being made up of one end of the second conductor rod member, and the second conductor rod member is hollow structure, and the second conductor rod member is enclosed within the first conductor rod member outside.The utility model realizes the measurement of not damaged plumpness.Method described in the utility model has that measuring speed is fast, efficiency high, high precision, good stability, low cost and other advantages, for the work of prefabricated concrete structure construction quality accident provides a set of efficient detection scheme.
Description
Technical field
The utility model is related to the realm of building construction, and in particular to a kind of spy for measuring reinforced bar sleeve grouting plumpness
Head.
Background technology
Prefabricated concrete structure, refers to the coagulation being assembled by reliable connected mode by precast concrete
Soil structure, including assembled monolithic concrete structure, full assembling concrete structure etc..Because it has energy-saving and environmental protection, saving mould
Plate, can improve execution conditions, raise labour productivity, the advantage such as accelerating construction progress, at present in China one, two wires city
Largely used in the house construction engineering in city.In prefabricated concrete structure, the connection between component is an important step, its connection
Quality directly affects structure shear resistance capacity and shock resistance.《JGJ1-2014 prefabricated concrete structure technical regulations》In,
Component connection is proposed and is distinctly claimed.Whether and reinforced bar sleeve grouting connection is a kind of conventional connected mode, full it is in the milk,
Directly determine component connection construction quality.
Application for a patent for invention publication number CN 105223344 is related to a kind of detection prefabricated concrete structure reinforced bar sleeve to fill
Starch the method and detector of plumpness.A kind of detection prefabricated concrete structure reinforced bar sleeve grouting plumpness that the invention is provided
Method and detector, by carrying out the MCU control unit of signal transmission with man-machine interaction unit, the MCU control unit point
It is not connected with signal receiving and processing device, signal exciting bank and power supply, the signal exciting bank and damping vibration sensor
Wire connection, the damping vibration sensor is connected to and damping vibration ripple, the damping vibration sensor produced after pumping signal
Damping vibration ripple is transferred to MCU control unit.Detector and detection method that the present invention is provided, can tell the resistance of sensor
Buddhist nun's vibration attenuation rule, the height of concrete grouting material and the variation relation of sensor, accurately slurry is judged in work progress
Whether qualified whether fill or solidify post-grouting plumpness.The shortcoming of the invention is relative complex structure.
Utility model content
In order to solve the above-mentioned problems in the prior art, the utility model proposes one kind measurement assembly concrete knot
The probe of structure reinforced bar sleeve grouting plumpness.
Before the technical solution of the utility model is given, introduce full using probe measurement described in the utility model grouting
The principle of full scale.
When free electron does orientation steady shift in metallic conductor, effect hindered.Conductor is to electric current
Inhibition be referred to as resistance.Resistance English alphabet " R " (or " r ") represents that (power taking hinders English " Resistance " first
Letter).When the timing of temperature one, conductor resistance is directly proportional with its length, is inversely proportional with its cross-sectional area, is formulated
For：
Different medium has different resistivity.The utility model patent is related to four kinds of Jie corresponding with grouting different phase
Matter, is respectively air, fluid mortar abbreviation quicksand, the aqueous mortar abbreviation damp sand of solidification, solidification dry mortar abbreviation dry sand.Normal temperature
Under, the resistivity of several media has differences, respectively：ρAir=1 × 107Ω m, ρQuicksand=1 Ω m, ρDamp sand=1 × 103Ω m, ρDry sand
=1 × 105Ωm.The moisture content of fluid mortar is generally higher than 10%, the resistivity approximately equal of its resistivity and water.Here give
The resistivity value for going out is approximation, but because air has differences with the resistivity of other three kinds of media, although it is approximation
Also the requirement for judging grouting plumpness is fully met.
Interelectrode dielectric resistance first in measuring set of cylinder, is calculated according to formula above the resistance of surrounding them medium
Rate.Then in the different phase of grouting, according to the close of the resistivity and air and quicksand, damp sand, the resistivity of dry sand tried to achieve
Degree determines grouting plumpness.
To reach above-mentioned purpose, the utility model is adopted the following technical scheme that：
It is a kind of to be in the milk the probe of plumpness, including the be made up of one end of the first conductor rod member for measuring reinforced bar sleeve
One electrode and the second electrode being made up of one end of the second conductor rod member.The shape phase of the first conductor rod member and the second conductor rod member
Together, the first conductor rod member is thinner than the second conductor rod member, more long than the second conductor rod member.Second conductor rod member is hollow structure, second
Conductor rod member is enclosed within the first conductor rod member outside, and 2 are respectively provided between the two ends of the second conductor rod member and the first conductor rod member
The individual electrode connector being made up of insulating materials, the relative position for fixing the first conductor rod member and the second conductor rod member.The
The outer surface of two conductor rod members sets insulation sleeve in close contact therewith, and insulation sleeve makes the surface area of second electrode be equal to the first electricity
The surface area of pole, i.e. the second conductor rod member electrode tip are not equal to the first conductor rod member electrode by the surface area of insulation sleeve covering part
Surface area between end and the termination electrode connector.
Further, one end of first electrode sets a plug.
Further, the first conductor rod member and the second conductor rod member are cylinder.
Further, depth of the length of the first conductor rod member and the second conductor rod member more than slurry outlet.When measuring,
The electrode tip of the first conductor rod member and the second conductor rod member be located at sleeve in, the other end be located at slurry outlet outside, and respectively with electricity
Resistance measurement apparatus are connected.
Compared with prior art, probe described in the utility model has the advantages that：
1st, the measuring electrode of probe described in the utility model is inserted in prefabricated concrete structure reinforced bar sleeve, measuring set of cylinder
Interior dielectric resistance, and the resistivity of medium in sleeve is obtained according to the resistance for measuring, in the different phase of grouting, according to what is tried to achieve
Resistivity and air and quicksand, damp sand, the degree of closeness of the resistivity of dry sand determine grouting plumpness.
2nd, using probe measurement reinforced bar sleeve described in the utility model grouting plumpness, fully achieve to reinforced bar sleeve
Not damaged plumpness is measured.In addition, probe described in the utility model has, measuring speed is fast, efficiency high, high precision, stability
The good, advantage of low cost.
Brief description of the drawings
Fig. 1 is described in the utility model probe for the knot for measuring prefabricated concrete structure reinforced bar sleeve grouting plumpness
Structure schematic diagram；
Fig. 2 is the structural representation of probe described in the utility model.
Shown in figure：1- is popped one's head in, 11- first electrodes, 12- second electrodes, 13- electrode connectors, 14- insulation sleeves, and 15- is blocked up
Head, 2- first components, 3- second components, 4- sleeves, 5- first component reinforcing bars, 6- second component reinforcing bars, 7- injected holes, 8- pulps
Hole.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples.
As shown in Fig. 2 the structure of probe described in the utility model includes：First be made up of one end of the first conductor rod member
Electrode 11 and the second electrode 12 being made up of one end of the second conductor rod member.The shape of the first conductor rod member and the second conductor rod member
Identical, the first conductor rod member is thinner than the second conductor rod member, more long than the second conductor rod member.Second conductor rod member is hollow structure, the
Two conductor rod members are enclosed within the outer surface of the first conductor rod member, between the two ends of the second conductor rod member and the first conductor rod member respectively
2 electrode connectors 13 being made up of insulating materials are set, and the electrode connector 13 is used to fix the first conductor rod member and the
The relative position of two conductor rod members.The outer surface of the second conductor rod member sets insulation sleeve 14 in close contact therewith, by regulation
The position of insulation sleeve 14, so that the surface area of second electrode 12 is equal to the surface area of first electrode 11.
One end of first electrode 11 sets a plug 15, prevents mortar from entering the first hollow place of conductor rod member, influence electricity
Resistance rate certainty of measurement.
Used as a kind of most preferred embodiment, the first conductor rod member and the second conductor rod member are cylindrical structure.First conductor rods
Part and the second conductor rod member can equally use other cylinder body shapes, such as cuboid, square shape etc..
Depth of the length of the first conductor rod member and the second conductor rod member more than slurry outlet 8.When measuring, the first conductor
The electrode tip of rod member and the second conductor rod member be located at sleeve 4 in, the other end be located at the lateral surface of slurry outlet 8, and respectively with resistance survey
Amount device (not shown) is connected.Common electrode is required for connection wire long, the free end of wire is exposed at outside slurry outlet 8
Side, for connection electric resistance measuring apparatus.Probe described in the utility model constitutes electrode, energy using adaptable conductor rod member
It is enough that electric resistance measuring apparatus are directly connected with the conductor rod member for being exposed at the outside of slurry outlet 8, binding post is set above conductor rod member, save
The wire electrically connected with electrode is removed.
The following is the application example of probe described in the utility model：
Straight screw sleeve connection structure as shown in figure 1, including：First component 2, second component 3, sleeve 4, first component reinforcing bar
5, second component reinforcing bar 6, injected hole 7, slurry outlet 8.Due to the presence of multilayer dielectricity, such as having gold in straight screw sleeve connection structure
Category, nonmetal medium are present, and the radial thickness of body generally only has 5~6 millimeters, in the prior art Computerized examination device
Cannot detect, and effective detection can be carried out using probe described in the utility model.
The utility model is not limited to above-mentioned implementation method, and it is any to above-mentioned implementation method that those skilled in the art are made
Conspicuously improved or change, all without the protection domain beyond design of the present utility model and appended claims.
Claims (4)
1. it is a kind of for measure reinforced bar sleeve be in the milk plumpness probe, it is characterised in that the probe includes：By the first conductor
The first electrode of one end composition of rod member and the second electrode being made up of one end of the second conductor rod member；First conductor rod member and
The shape of two conductor rod members is identical, and the first conductor rod member is thinner than the second conductor rod member, more long than the second conductor rod member；Second conductor rods
Part is hollow structure, and the second conductor rod member is enclosed within the first conductor rod member outside, in the two ends of the second conductor rod member and the first conductor
2 electrode connectors being made up of insulating materials are respectively provided between rod member, for fixing the first conductor rod member and the second conductor
The relative position of rod member；The outer surface of the second conductor rod member sets insulation sleeve intimate contact therewith, and insulation sleeve makes second electrode
Surface area be equal to first electrode surface area.
2. probe according to claim 1, it is characterised in that one end of the first electrode sets a plug.
3. probe according to claim 1, it is characterised in that the first conductor rod member and the second conductor rod member are cylinder
Body.
4. probe according to claim 1, it is characterised in that the length of the first conductor rod member and the second conductor rod member is more than
The depth of slurry outlet；When measuring, the electrode tip of the first conductor rod member and the second conductor rod member is located in sleeve, other end position
In slurry outlet outside, and it is connected with electric resistance measuring apparatus respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621018627.0U CN206281814U (en) | 2016-08-30 | 2016-08-30 | A kind of probe for measuring reinforced bar sleeve grouting plumpness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621018627.0U CN206281814U (en) | 2016-08-30 | 2016-08-30 | A kind of probe for measuring reinforced bar sleeve grouting plumpness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206281814U true CN206281814U (en) | 2017-06-27 |
Family
ID=59085218
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621018627.0U Active CN206281814U (en) | 2016-08-30 | 2016-08-30 | A kind of probe for measuring reinforced bar sleeve grouting plumpness |
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| CN (1) | CN206281814U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124569A (en) * | 2016-08-30 | 2016-11-16 | 北京智博联科技股份有限公司 | A kind of for measuring the reinforced bar sleeve grouting probe of plumpness and method |
| CN107529614A (en) * | 2017-09-29 | 2018-01-02 | 长安大学 | A kind of health monitoring systems and method of prefabricated assembling type reinforced sleeve connector |
| CN108802110A (en) * | 2018-05-31 | 2018-11-13 | 宁波联城住工科技有限公司 | Detection device and its detection method for measuring grout sleeve Grouted density |
| CN108828197A (en) * | 2018-05-30 | 2018-11-16 | 宁波联城住工科技有限公司 | For detecting the pH value detection device and its detection method of grouting material |
| CN110208329A (en) * | 2019-06-24 | 2019-09-06 | 徐豫青 | A kind of sleeve Grouted density detection method and device |
| CN110285867A (en) * | 2019-07-29 | 2019-09-27 | 北京中建建筑科学研究院有限公司 | Prefabricated concrete structure reinforced bar sleeve grouting plumpness monitoring device and method |
| CN111075119A (en) * | 2020-01-03 | 2020-04-28 | 北方工业大学 | Grouting sleeve for quality monitoring of fabricated building node, monitoring device, monitoring system, method and application |
-
2016
- 2016-08-30 CN CN201621018627.0U patent/CN206281814U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124569A (en) * | 2016-08-30 | 2016-11-16 | 北京智博联科技股份有限公司 | A kind of for measuring the reinforced bar sleeve grouting probe of plumpness and method |
| CN107529614A (en) * | 2017-09-29 | 2018-01-02 | 长安大学 | A kind of health monitoring systems and method of prefabricated assembling type reinforced sleeve connector |
| CN107529614B (en) * | 2017-09-29 | 2024-03-29 | 长安大学 | Health monitoring system and method for prefabricated assembled steel bar sleeve connecting piece |
| CN108828197A (en) * | 2018-05-30 | 2018-11-16 | 宁波联城住工科技有限公司 | For detecting the pH value detection device and its detection method of grouting material |
| CN108802110A (en) * | 2018-05-31 | 2018-11-13 | 宁波联城住工科技有限公司 | Detection device and its detection method for measuring grout sleeve Grouted density |
| CN110208329A (en) * | 2019-06-24 | 2019-09-06 | 徐豫青 | A kind of sleeve Grouted density detection method and device |
| CN110285867A (en) * | 2019-07-29 | 2019-09-27 | 北京中建建筑科学研究院有限公司 | Prefabricated concrete structure reinforced bar sleeve grouting plumpness monitoring device and method |
| CN111075119A (en) * | 2020-01-03 | 2020-04-28 | 北方工业大学 | Grouting sleeve for quality monitoring of fabricated building node, monitoring device, monitoring system, method and application |
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