CN109459494A - A kind of detection method and device for steel pipe inner prop high grade rock sand concrete - Google Patents
A kind of detection method and device for steel pipe inner prop high grade rock sand concrete Download PDFInfo
- Publication number
- CN109459494A CN109459494A CN201811395751.2A CN201811395751A CN109459494A CN 109459494 A CN109459494 A CN 109459494A CN 201811395751 A CN201811395751 A CN 201811395751A CN 109459494 A CN109459494 A CN 109459494A
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- Prior art keywords
- steel pipe
- concrete
- sound
- high grade
- sound detecting
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/12—Analysing solids by measuring frequency or resonance of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/01—Indexing codes associated with the measuring variable
- G01N2291/011—Velocity or travel time
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/01—Indexing codes associated with the measuring variable
- G01N2291/014—Resonance or resonant frequency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0232—Glass, ceramics, concrete or stone
Abstract
The invention discloses a kind of detection method and device for steel pipe inner prop high grade rock sand concrete, the device includes three sound detecting pipes being vertically provided in steel pipe column, three sound detecting pipes are located at three angles of equilateral triangle, every sound detecting pipe lower end to steel pipe column bottom surface, upper end is higher than steel pipe column, energy converter is provided in wherein two sound detecting pipes, two energy converters pass through two data lines respectively and are connected to two input ports that across the hole ultrasonic wave of foundation pile follows survey instrument automatically, the input port that across the hole ultrasonic wave of foundation pile follows the data-out port and Nonmental Ultrasonic of surveying instrument automatically connects.The present invention carries out 100% non-destructive testing to steel pipe inner prop high grade rock sand concrete to survey section topography using percussion analytic approach and sound wave, sampling analysis method is infiltrated using stock to doubtful region and carries out repetition measurement, it accurately determines to leave a question open position and infiltrate sampling analysis method using stock and be rechecked, repairing reduction structural damage is carried out to drilling after reinspection.
Description
Technical field
The present invention relates to a kind of detection method and device for steel pipe inner prop high grade rock sand concrete, belong to building work
Check test technical field in journey.
Background technique
Concrete filled steel tube have many advantages, such as bearing capacity height, plasticity, good toughness, production and it is easy for construction, fire resistance is good
And it is widely used in super high-rise building system.It is confined space, concrete when pouring due to concrete filled steel tube in construction
Pouring quality is difficult to ensure, and C60-C70 high grade rock sand concrete is widely used in southwestern region and is filled, high grade
Rock sand concrete has the characteristics that shrink that the scale of construction is big, large volume component easily forms contraction fissure, therefore to rock sand concrete in steel pipe
Forming Quality control and detect particularly important.But because the characteristics of its airtightness, leads to that detection difficulty is big, rock sand concrete defect
Region is difficult to position.
Traditional core drilling method, ultrasonic method, Impact echo, section CT method and surface wave wavelet analysis method etc. are mixed to steel pipe
Solidifying soil has certain damage, and has limitation and uncertainty, is unable to large area use, testing result inaccuracy.
Summary of the invention
The object of the present invention is to provide a kind of easy to operate, at low cost, testing results to be reliably used for pillar height in steel pipe
The detection method and device of label rock sand concrete solve concrete filled steel tube because closed situation causes concrete pouring quality difficult
It is difficult to the technical problem positioned, and reduces the ratio for damaging test with detection, defect area.
Technical solution of the present invention: a kind of detection method for steel pipe inner prop high grade rock sand concrete, including it is following
Step:
Step 1: three sound detecting pipes are vertically disposed in steel pipe column, and three sound detecting pipes are located at equilateral triangle
Three angles of shape, every sound detecting pipe lower end to sound detecting pipe bottom surface, upper end are higher than steel pipe column；
Step 2: pouring high grade rock sand concrete into steel pipe column, is finished to concreting and concrete strength reaches
To after 10Mpa, start to detect the concrete in steel pipe column；
Step 3: being detected using sound wave to section topography is surveyed: water is filled to three sound detecting pipes, by foundation pile across Kong Chao
Sound wave follows automatically to be surveyed the energy converter of instrument and is placed in one the tops of two sound detecting pipes, then makes two energy converters equidistant with sustained height
From moving downward simultaneously, every mobile a certain distance then reads parameters,acoustic and records depth locating for energy converter.Sound wave cuts open survey
Surface Analysis its working principle is that: ultrasonic pulsative signal in the communication process of concrete because occur diffraction, refraction, multiple reflections
And different attenuation by absorption, time, Oscillation Amplitude, waveform and the dominant frequency etc. for propagating reception signal in concrete become
Change, reception signal just carries the information such as the closely knit defect situation of tested shaft concrete, integrated degree and then judges steel in this way
The degree of pipe concrete column inner concrete defect simultaneously determines its position.
Step 4: the depth value according to locating for the parameters,acoustic of record and energy converter, using nonmetallic ultrasound analysis
Instrument handles record data, finds out the defective locations of concrete；
The defective locations of concrete are sampled Step 5: infiltrating sampling analysis method using stock: using high speed machine to scarce
Sunken position is sampled, by being sampled at sampling section upper, middle and lower three, and to samples taken according to appearance and compression test into
Row quality judging, testing result that you can get it.
In the above method, before detection, Preliminary detection is carried out using analytic approach is tapped: i.e. using detection hammer to steel pipe column outer wall
It is tapped, beating point, between left and right away from for 0.5m, judges concrete formation quality according to the sound is tapped, i.e., between the upper and lower away from for 1m
Sound oppressiveness expression casting quality is preferable, clear or empty with the internal tool of apparent echo expression, in this way can basis
Tap the defective locations that the sound judges roughly concrete.
In the above method, when being handled using Nonmental Ultrasonic record data, using following formula
Data are analyzed:
mx=∑ Xi/n
X0=mx-λ1·sx
In formula:
mxOne average value
sxOne standard deviation
λ1One by " supercritical ultrasonics technology detects concrete defect technical regulation " value
Wave amplitude, the velocity of sound or the dominant frequency value of each measuring point of mono- location of X
In the above method, after the completion of being sampled using high speed machine to defective locations, uses epoxy resin grout recharge to close and bore
Hole, and block when using 0.5~1.0MPA injection pressure.
In the above method, the no punching component steel pipe column refers to no-reinforcing-bar in steel pipe column, steel construction and other components
Mountain sand plain concrete.
In the above method, when the parameters,acoustic is sound, amplitude and frequency.
Meanwhile the present invention also provides a kind of for above-mentioned detection method for steel pipe inner prop high grade rock sand concrete
Detection device, including three sound detecting pipes being vertically provided in steel pipe column, three sound detecting pipes are located at the three of equilateral triangle
A angle, every sound detecting pipe lower end to steel pipe column bottom surface, upper end are higher than steel pipe column, are provided with and change in wherein two sound detecting pipes
Energy device, two energy converters pass through two data lines respectively and are connected to two input terminals that across the hole ultrasonic wave of foundation pile follows survey instrument automatically
Mouthful, the input port that across the hole ultrasonic wave of foundation pile follows the data-out port and Nonmental Ultrasonic of surveying instrument automatically connects
It connects.
Further, the inner wall of the energy converter and sound detecting pipe is slidably connected.
Further, the data line is wrapped on rocker arm handwheel.
Further, it is RSM-SY7 type that across the hole ultrasonic wave of the foundation pile, which follows automatically and surveys instrument, and Nonmental Ultrasonic is
NM-4A type.
Due to the adoption of the above technical scheme, the present invention has the advantages that the present invention, which uses, taps analytic approach and sound wave to survey
Section topography carries out 100% non-destructive testing to steel pipe inner prop high grade rock sand concrete, takes to doubtful region using stock is unbearable
Sample analytic approach carries out repetition measurement, has effectively monitored the quality condition of steel pipe column interior concrete, it is accurate determine to leave a question open position and use
Stock, which infiltrates sampling analysis method, to be rechecked, and carrying out repairing to drilling after reinspection reduces structural damage.Therefore, the present invention has drop
Low the advantages that damaging area of detection, convenient and efficient, accurate positioning, small construction cost, can be widely applied to similar detection engineering, tool
Being widely popularized property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram when present invention is implemented；
Fig. 2 is the arrangement schematic diagram of three sound detecting pipes；
Fig. 3 is the implementation diagram of infusion epoxy resin slurry in drilling.
Description of symbols: 1- high grade rock sand concrete, 2- steel pipe column, 3- sound detecting pipe, 4- energy converter, 5- foundation pile is across hole
Ultrasonic wave follows survey instrument, 6- Nonmental Ultrasonic, 7- data line, 8- rocker arm handwheel, 9- high speed machine, 10- ring automatically
Oxygen paste resin.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and examples to this hair
It is bright to be described in further detail.
The embodiment of the present invention: the structural schematic diagram of the detection device for steel pipe inner prop high grade rock sand concrete is as schemed
Shown in 1 and Fig. 2, including three sound detecting pipes 3 being vertically provided in steel pipe column 2, three sound detecting pipes 3 are located at equilateral triangle
Three angles, every 3 lower end of sound detecting pipe to 2 bottom surface of steel pipe column, upper end be higher than steel pipe column 2, in wherein two sound detecting pipes 3
It is provided with energy converter 4, the inner wall of the energy converter 4 and sound detecting pipe 3 is slidably connected, and two energy converters 4 pass through two radical evidences respectively
Line 7 is connected to across the hole ultrasonic wave of foundation pile and follows two input ports for surveying instrument 5 automatically, and the data line 7 is wrapped in rocker arm handwheel 8
On, the input port that across the hole ultrasonic wave of foundation pile follows the data-out port and Nonmental Ultrasonic 6 of surveying instrument 5 automatically connects
It connects.It is RSM-SY7F type that across the hole ultrasonic wave of foundation pile, which follows automatically and surveys instrument 5, and Nonmental Ultrasonic 6 is NM-4A type.
The present embodiment is for detecting molding of the 1.8m major diameter without the rock sand concrete of C60-C70 in punching component steel pipe column
Quality, the no punching component steel pipe column refer to the mountain sand plain concrete of no-reinforcing-bar in steel pipe column, steel construction and other components.
When using above-mentioned apparatus detection for steel pipe inner prop high grade rock sand concrete, following steps implementation can be used:
Step 1: three sound detecting pipes 3 are vertically disposed in steel pipe column 2, and three sound detecting pipes 3 are located at equilateral three
Three angular angles, every 3 lower end of sound detecting pipe to 3 bottom surface of sound detecting pipe, upper end are higher than steel pipe column 2；
Step 2: pour high grade rock sand concrete 1 into steel pipe column 2, finished to concreting and concrete strength
After reaching 10Mpa, start to detect the concrete in steel pipe column 2；Before detection, tentatively examined using analytic approach is tapped
It surveys: 2 outer wall of steel pipe column being tapped using detection hammer, beating point is between the upper and lower away from for 1m, between left and right away from for 0.5m, according to striking
It hits the sound and judges concrete formation quality, i.e., sound oppressiveness indicates that casting quality is preferable, clear or have apparent echo
It indicates internal tool cavity, to judge roughly the defective locations of concrete according to the percussion sound in this way；
Step 3: being detected using sound wave to section topography is surveyed: water is filled to three sound detecting pipes 3, by foundation pile across hole
Ultrasonic wave follows automatically to be surveyed the energy converter 4 of instrument 5 and is placed in one the tops of two sound detecting pipes 3, then makes two energy converters 4 with same height
Spend it is equidistant move downward simultaneously, every mobile a certain distance then reading sound when, parameters,acoustics such as amplitude and frequency and recording change
Depth locating for energy device 4；
Step 4: the depth value according to locating for the parameters,acoustic of record and energy converter 4, using nonmetallic ultrasound analysis
6 pairs of record data of instrument are handled, and find out the defective locations of concrete；Using 6 pairs of record numbers of Nonmental Ultrasonic
When according to being handled, data are analyzed using following formula:
mx=∑ Xi/n
X0=mx-λ1·sx
In formula:
mxOne average value
sxOne standard deviation
λ1One by " supercritical ultrasonics technology detects concrete defect technical regulation " value
Wave amplitude, the velocity of sound or the dominant frequency value of each measuring point of mono- location of X
The defective locations of concrete are sampled Step 5: infiltrating sampling analysis method using stock: using high speed machine 8 to scarce
Sunken position is sampled, by being sampled at sampling section upper, middle and lower three, and to samples taken according to appearance and compression test into
Row quality judging, testing result that you can get it.
Step 6: after the completion of being sampled using XY-1A type high speed machine 9 to defective locations, as shown in figure 3, using asphalt mixtures modified by epoxy resin
Rouge starch 10 recharges closing drilling, and block when using 0.5~1.0MPA injection pressure, the mesh of non-destructive testing can be reached in this way
's.
Claims (10)
1. a kind of detection method for steel pipe inner prop high grade rock sand concrete, it is characterised in that the following steps are included:
Step 1: three sound detecting pipes are vertically disposed in steel pipe column, and three sound detecting pipes are located at equilateral triangle
Three angles, every sound detecting pipe lower end to sound detecting pipe bottom surface, upper end are higher than steel pipe column；
Step 2: pouring high grade rock sand concrete into steel pipe column, is finished to concreting and concrete strength reaches
After 10Mpa, start to detect the concrete in steel pipe column；
Step 3: being detected using sound wave to section topography is surveyed: water is filled to three sound detecting pipes, by across the hole ultrasonic wave of foundation pile
Automatically it follows and surveys the energy converter of instrument and be placed in one the tops of two sound detecting pipes, then make two energy converters equidistant same with sustained height
Step moves down, and every mobile a certain distance then reads parameters,acoustic and records depth locating for energy converter；
Step 4: the depth value according to locating for the parameters,acoustic of record and energy converter, using Nonmental Ultrasonic pair
Record data are handled, and the defective locations of concrete are found out；
The defective locations of concrete are sampled Step 5: infiltrating sampling analysis method using stock: using high speed machine to defective bit
It sets and is sampled, be sampled at section upper, middle and lower three by sampling, and matter is carried out according to appearance and compression test to samples taken
Amount judgement, testing result that you can get it.
2. the detection method according to claim 1 for steel pipe inner prop high grade rock sand concrete, it is characterised in that: inspection
Before survey, Preliminary detection is carried out using analytic approach is tapped: steel pipe column outer wall being tapped using detection hammer, beating point is between the upper and lower
Away from for 1m, between left and right away from for 0.5m, judge concrete formation quality according to the sound is tapped, i.e., sound oppressiveness expression casting quality compared with
Well, clear or empty with the internal tool of apparent echo expression, in this way concrete can be judged roughly according to the sound is tapped
Defective locations.
3. the detection method according to claim 1 for steel pipe inner prop high grade rock sand concrete, it is characterised in that: adopt
When being handled with Nonmental Ultrasonic record data, data are analyzed using following formula:
mx=∑ Xi/n
X0=mx-λ1·sx
In formula:
mxOne average value
sxOne standard deviation
λ1One by " supercritical ultrasonics technology detects concrete defect technical regulation " value
Wave amplitude, the velocity of sound or the dominant frequency value of each measuring point of mono- location of X.
4. the detection method according to claim 1 for steel pipe inner prop high grade rock sand concrete, it is characterised in that: adopt
With high speed machine to defective locations sampling after the completion of, when being closed and drilled using epoxy resin grout recharge, and blocked using 0.5~
The injection pressure of 1.0MPA.
5. the detection method according to claim 1 for steel pipe inner prop high grade rock sand concrete, it is characterised in that: institute
State the mountain sand plain concrete that no punching component steel pipe column refers to no-reinforcing-bar in steel pipe column, steel construction and other components.
6. the detection method according to claim 1 for steel pipe inner prop high grade rock sand concrete, it is characterised in that: institute
State parameters,acoustic when being sound, amplitude and frequency.
7. a kind of be used for steel pipe inner prop high grade rock sand concrete for detection method described in claim 1~6 any one
Detection device, including three sound detecting pipes (3) being vertically provided in steel pipe column (2), it is characterised in that: three sound detecting pipes (3)
Three angles of equilateral triangle, every sound detecting pipe (3) lower end to steel pipe column (2) bottom surface are located at, upper end is higher than steel pipe
Column (2) is provided with energy converter (4) in two sound detecting pipes (3) wherein, and two energy converters (4) pass through two data lines (7) respectively
It is connected to across the hole ultrasonic wave of foundation pile and follows two input ports for surveying instrument (5) automatically, across the hole ultrasonic wave of foundation pile follows automatically surveys instrument (5)
Data-out port is connect with the input port of Nonmental Ultrasonic (6).
8. the detection device according to claim 7 for steel pipe inner prop high grade rock sand concrete, it is characterised in that: institute
It states energy converter (4) and the inner wall of sound detecting pipe (3) is slidably connected.
9. the detection device according to claim 7 for steel pipe inner prop high grade rock sand concrete, it is characterised in that: institute
Data line (7) is stated to be wrapped on rocker arm handwheel (8).
10. the detection device according to claim 7 for steel pipe inner prop high grade rock sand concrete, it is characterised in that:
It is RSM-SY7 (F) type that across the hole ultrasonic wave of foundation pile, which follows automatically and surveys instrument (5), and Nonmental Ultrasonic (6) is NM-4A
Type.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811395751.2A CN109459494A (en) | 2018-11-22 | 2018-11-22 | A kind of detection method and device for steel pipe inner prop high grade rock sand concrete |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811395751.2A CN109459494A (en) | 2018-11-22 | 2018-11-22 | A kind of detection method and device for steel pipe inner prop high grade rock sand concrete |
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ID=65611298
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907629A (en) * | 2019-10-21 | 2020-03-24 | 武汉大学 | Test method for calibrating constraint force and ultrasonic wave of concrete filled steel tubular column |
| CN112917483A (en) * | 2021-01-19 | 2021-06-08 | 山东大学 | Wall-climbing robot system and method for rapid nondestructive testing of concealed defects of culvert gate |
| CN113325074A (en) * | 2021-05-24 | 2021-08-31 | 机械工业第九设计研究院有限公司 | Concrete hollow early warning method and monitoring early warning system in construction process |
| CN113866277A (en) * | 2021-09-22 | 2021-12-31 | 合诚工程咨询集团股份有限公司 | Nondestructive testing method for pile forming quality of large-diameter secant pile |
| CN114324605A (en) * | 2021-12-23 | 2022-04-12 | 陕西省建筑科学研究院有限公司 | Device and method for detecting compactness of steel pipe concrete |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907629A (en) * | 2019-10-21 | 2020-03-24 | 武汉大学 | Test method for calibrating constraint force and ultrasonic wave of concrete filled steel tubular column |
| CN110907629B (en) * | 2019-10-21 | 2020-10-13 | 武汉大学 | Test method for calibrating constraint force and ultrasonic wave of concrete filled steel tubular column |
| CN112917483A (en) * | 2021-01-19 | 2021-06-08 | 山东大学 | Wall-climbing robot system and method for rapid nondestructive testing of concealed defects of culvert gate |
| CN113325074A (en) * | 2021-05-24 | 2021-08-31 | 机械工业第九设计研究院有限公司 | Concrete hollow early warning method and monitoring early warning system in construction process |
| CN113325074B (en) * | 2021-05-24 | 2023-12-05 | 机械工业第九设计研究院股份有限公司 | Concrete hollow early warning method and monitoring early warning system in construction process |
| CN113866277A (en) * | 2021-09-22 | 2021-12-31 | 合诚工程咨询集团股份有限公司 | Nondestructive testing method for pile forming quality of large-diameter secant pile |
| CN114324605A (en) * | 2021-12-23 | 2022-04-12 | 陕西省建筑科学研究院有限公司 | Device and method for detecting compactness of steel pipe concrete |
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