CN105021700A - Concrete filled steel tubular column compactness detection device and detection method - Google Patents
Concrete filled steel tubular column compactness detection device and detection method Download PDFInfo
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- CN105021700A CN105021700A CN201510430064.XA CN201510430064A CN105021700A CN 105021700 A CN105021700 A CN 105021700A CN 201510430064 A CN201510430064 A CN 201510430064A CN 105021700 A CN105021700 A CN 105021700A
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Abstract
The invention relates to a concrete filled steel tubular column compactness detection device and detection method. The device comprises a fixing frame, a support shaft, a knocking hammer and a voice recording device for recording knocking voice. The fixing frame detachably sleeves a steel pipe. The support shaft is horizontally fixed to the fixing frame. The knocking hammer comprises a first handle and a first hammer. The tail end of the first handle is installed on the support shaft and can rotate around the support shaft on the vertical plane. The first hammer is fixed to the top end of the first handle. When the knocking hammer is higher than the plane of the support shaft, the gravity center of the knocking hammer is located at the outer side of the support shaft. The knocking hammer knocks detection points of the steel pipe by the same power and knocking voices are recorded by the voice recording device. Through the above processes, concrete filled steel tubular column compactness is detected without damage to the steel pipe. The detection device and detection method can be operated simply and are suitable for practical construction.
Description
Technical field
The present invention relates to a kind of steel core concrete column compactness detection device and detection method.
Background technology
At present, the common method of examination steel tube concrete column packing generally has three kinds:
The first is: core drilling method, i.e. drilled drawing-core on the steel core concrete column be shaped, the concrete quality of post in-core is judged by the quality condition of the core drilled through, clearly, core drilling method can only continue to detect to the concrete quality of certain test point, can not the quality condition of the whole concrete column of comprehensive descision, limitation is larger; And the grouting reinforcement of boring is difficult to satisfied and whole post core concrete etc. by force, there is the risk destroying concrete column globality, can weaken the stressed of concrete column time serious; Have is exactly that core drilling method exists that the cycle is longer, costly, on steel core concrete column not easily the drawback such as core equipment is bored in erection again.
The second is: ultrasonic method, its ultimate principle utilizes transmitting transducer radiate high frequency to vibrate in one end of outer diameter of steel pipes, the receiving transducer of the outer diameter of steel pipes other end is transmitted to through the steel pipe center of circle, ultrasound wave will change the direction of propagation and path when running into the interface formed by various defect in communication process, its energy will be attenuated at fault location, cause ultrasound wave arrive receiving transducer time sound time, sound width, frequency relative change.The method cost is high, affects seriously by construction environment, therefore theoretical property comparatively strong but in practice of construction process feasibility not high.
The third is: hammering method, and it is applicable to generaI investigation post core concrete quality, completely with technology and the experience of technician, affects greatly by subjective factor; And hammering method is theoretically unsound and for the data of filing, can be not easy to variable loads during construction and quality detection technology management; In addition, for the steel core concrete column that wall thickness is larger, hammering method is difficult to accurately judge.
Summary of the invention
The invention provides steel core concrete column compactness detection device and detection method, to solve the above-mentioned technical matters of existing steel core concrete column compactness detection device and detection method.
For solving the problems of the technologies described above, the invention provides steel core concrete column compactness detection device, comprise fixed mount, back shaft, knock hammer and for recording the sound pick-up outfit knocking sound, described fixed mount is detachable is sheathed on steel pipe periphery, described back shaft level is fixed on described fixed mount, the described hammer that knocks comprises first handle and the first hammer, the end of described first handle is installed on described back shaft, and can rotate around described back shaft on vertical plane, described first hammer is fixed on the top of described first handle, when described knock the plane of hammer higher than described back shaft place time, described center of gravity of knocking hammer is positioned at the outside of described back shaft.
Preferably, described in knock hammer and also comprise and be positioned at second handle above described first hammer and the second hammer, be fixed with a connecting link between described first handle and second handle.
Preferably, the angle between described first handle and second handle is 30 ° to 45 °.
Preferably, a spacing mandril is also provided with above described second hammer.
Preferably, described first hammer is round end hammer.
Preferably, described sound pick-up outfit is recording pen, sound-track engraving apparatus or mobile phone.
Present invention also offers a kind of steel core concrete column compactness inspection method, comprise the steps:
S1: choose some check points on steel pipe to be measured;
S2: be sheathed on outside steel pipe to be measured by fixed mount, makes the first hammer knocking hammer corresponding with the position of one of them check point;
S3: hammer is knocked in manual pull-up, and knock hammer described in making and contact with described steel pipe to be measured, knock hammer described in after loosing one's grip and do the movement of falling object, check point is knocked, and with the sound that described sound pick-up outfit record knocks;
S4: the position of mobile fixed mount on described steel pipe to be measured, makes the first hammer knocking hammer corresponding with the position of another check point, repeats step S3, until all check points have knocked;
S5: the packing judging steel core concrete column according to the sound of described sound pick-up outfit record.
Preferably, when knocking, described sound pick-up outfit is consistent with the distance of corresponding check point at every turn.
Preferably, in step S1, the method choosing check point is: along the short transverse of steel pipe to be measured, chooses some equally spaced contours, and described contour is chosen two orthogonal diameters, and 4 end points of two diameters are as described check point.
Preferably, detect and be divided into 4 stages to carry out, the first stage is the hollow state before building; Subordinate phase is for building latter 7th day; Third time is for building latter 14th day; 4th time for building latter 28th day.
Compared with prior art, steel core concrete column compactness detection device provided by the invention and detection method tool have the following advantages:
1, the present invention utilizes the design feature of knocking hammer, be pulled to eminence contact with steel pipe when knocking hammer, the movement of falling object can be realized after loosing one's grip, and due to the starting point of each movement of falling object identical, strike hammer weight constant, thus guarantee the energy coincidence of at every turn knocking, the sound wave therefore obtained feedback has same conditionality;
2, without the need to destroying the structure of steel pipe and inner concrete post, collection analysis is carried out to the voice data of sound pick-up outfit record, the packing that can realize steel core concrete column detects, and the voice data of record can be used for theoretical foundation and inquiry of filing, and is convenient to follow-up variable loads during construction and quality detection technology management;
3, simple to operate, dirigibility is strong, is easy to promote, can be widely used in practice of construction process.
Accompanying drawing explanation
Fig. 1 is the structural representation (knock hammer and be positioned at minimum point) of the steel core concrete column compactness detection device of the present invention one specific embodiment mode;
Fig. 2 is the structural representation (knock hammer and be positioned at peak) of the steel core concrete column compactness detection device of the present invention one specific embodiment mode.
In figure: 10-fixed mount, 20-back shaft, 31-first handle, 32-first hammer, 33-second handle, 34-second hammer, 35-connecting link, 36-spacing mandril, 40-steel pipe.
Embodiment
In order to the technical scheme of more detailed statement foregoing invention, below list specific embodiment and carry out Proof Technology effect; It is emphasized that these embodiments are not limited to for illustration of the present invention limit the scope of the invention.
Steel core concrete column compactness detection device provided by the invention, please refer to Fig. 1 and Fig. 2, comprise fixed mount 10, back shaft 20, knock hammer and for recording the sound pick-up outfit (not shown) of knocking sound, preferably, described sound pick-up outfit includes but not limited to recording pen, sound-track engraving apparatus, mobile phone etc., described fixed mount 10 is detachable is sheathed on steel pipe 40 periphery, described back shaft 20 level is fixed on described fixed mount 10, the described hammer that knocks comprises first handle 31 and the first hammer 32, the end of described first handle 31 is installed on described back shaft 20, and can rotate (direction of arrow as in Figure 1 and Figure 2) around described back shaft 20 on vertical plane, described first hammer 32 is fixed on the top of described first handle 31, when described knock the plane of hammer higher than described back shaft 20 place time, described center of gravity of knocking hammer is positioned at the outside of described back shaft 20, in other words, the center of described steel pipe 40 is less than described steel pipe 40 center to the distance of described back shaft 20 to described in knock the distance of the center of gravity of hammer, thus guarantee to knock hammer without the need to External Force Acting, the movement of falling object can be done.The present invention utilizes to knock to hammer into shape and carries out knocking of energy coincidence to check point each on steel pipe 40, and with the sound that sound pick-up outfit record knocks, thus the packing of steel core concrete column is detected, without the need to destroying the structure of steel pipe 40, and simple to operate, be applicable in practice of construction process.
Preferably, please continue to refer to Fig. 1 and Fig. 2, the described hammer that knocks also comprises and is positioned at second handle 33 above described first hammer 32 and the second hammer 34, a connecting link 35 is fixed with between described first handle 31 and second handle 33, preferably, angle theta between described first handle 31 and second handle 33 is 30 ° to 45 °, the main by weight knocking hammer is divided into first hammer 32 and second hammer 34 with θ angle by the present invention, the volume of the first hammer 32 can be reduced on the one hand, be convenient to concentrated beating point position; Whole stability of knocking hammer can be increased on the other hand.
Preferably, please emphasis with reference to figure 2, a spacing mandril 36 is also provided with above described second hammer 34, when manually hammer pull-up will be knocked and rotate up, described spacing mandril 36 can contact with described steel pipe 40 prior to described second hammer 34, guarantees that knocking hammer can do the movement of falling object when loosing one's grip further, certainly, above-mentioned functions also can be realized by the structure of the second hammer 34 self, is not limited to increase by spacing mandril 36 and realizes.
Preferably, in the present embodiment, the weight of described first hammer 32 is 2 pounds, and the weight of described second hammer 34 is 8 pounds, and on the one hand, the first hammer 32 lighter in weight, is convenient to concentrated beating point position; On the other hand, the second hammer 34 can increase whole overall weight of knocking hammer, ensures to knock dynamics.
Preferably, please continue to refer to Fig. 1 and Fig. 2, described first hammer 32 is round end hammer, while concentrating beating point position further, avoids the first hammer 32 to be injured by a crashing object by steel pipe 40.
Present invention also offers a kind of steel core concrete column compactness inspection method, comprise the steps:
S1: choose some check points on steel pipe to be measured;
S2: be sheathed on outside steel pipe to be measured by fixed mount 10, makes the first hammer 32 knocking hammer corresponding with the position of one of them check point;
S3: hammer is knocked in manual pull-up, and knock hammer described in making and contact with described steel pipe to be measured, knock hammer described in after loosing one's grip and do the movement of falling object, check point is knocked, and with the sound that described sound pick-up outfit record knocks;
S4: the position of mobile fixed mount 10 on described steel pipe to be measured, makes the first hammer 32 knocking hammer corresponding with the position of another check point, repeats step S3, until all check points have knocked;
S5: the packing judging steel core concrete column according to the sound of described sound pick-up outfit record.
Detection method provided by the invention, without the need to destroying the structure of steel pipe 40; The voice data of record can be used for theoretical foundation and inquiry of filing; And simple to operate, be applicable in practice of construction process.
Preferably, when knocking, described sound pick-up outfit is consistent with the distance of corresponding check point at every turn, avoids the change in location of sound pick-up outfit and check point, the inaccurate problem of the testing result caused.
Preferably, in step S1, the method choosing check point is: along the short transverse of steel pipe to be measured, choose some equally spaced contours, described contour is chosen two orthogonal diameters, 4 end points of two diameters as described check point, in the present embodiment, each check point knocks 3 times, improves the precision detected further.
Preferably, detect and be divided into 4 stages to carry out, the first stage is the hollow state before building; Subordinate phase is for building latter 7th day; Third time is for building latter 14th day; For building latter 28th day, to carry out detecting to steel core concrete column packing more comprehensively, accurately, improve the precision detected further 4th time.
Before practice of construction, first work out construction test scheme, one section of representational steel pipe 40 is selected to carry out full-scale test, do one section of test section conformed to actual condition, experiment shows, adopt steel core concrete column compactness detection device provided by the invention and detection method, can accurately detect steel core concrete column packing.
In sum, steel core concrete column compactness detection device provided by the invention and detection method, this device comprises fixed mount 10, back shaft 20, knock hammer and for recording the sound pick-up outfit knocking sound, described fixed mount 10 is detachable is sheathed on steel pipe 40 periphery, described back shaft 20 level is fixed on described fixed mount 10, the described hammer that knocks comprises first handle 31 and the first hammer 32, the end of described first handle 31 is installed on described back shaft 20, and can rotate around described back shaft 20 on vertical plane, described first hammer 32 is fixed on the top of described first handle 31, when described knock the plane of hammer higher than described back shaft 20 place time, described center of gravity of knocking hammer is positioned at the outside of described back shaft 20.The present invention utilizes to knock to hammer into shape and carries out knocking of energy coincidence to check point each on steel pipe 40, and with the sound that sound pick-up outfit record knocks, thus the packing of steel core concrete column is detected, without the need to destroying steel pipe 40, and simple to operate, be applicable in practice of construction process.
Obviously, those skilled in the art can carry out various change and modification to invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a steel core concrete column compactness detection device, it is characterized in that, comprise fixed mount, back shaft, knock hammer and for recording the sound pick-up outfit knocking sound, described fixed mount is detachable is sheathed on steel pipe periphery, described back shaft level is fixed on described fixed mount, the described hammer that knocks comprises first handle and the first hammer, the end of described first handle is installed on described back shaft, and can rotate around described back shaft on vertical plane, described first hammer is fixed on the top of described first handle, when described knock the plane of hammer higher than described back shaft place time, described center of gravity of knocking hammer is positioned at the outside of described back shaft.
2. steel core concrete column compactness detection device as claimed in claim 1, is characterized in that, described in knock hammer and also comprise and be positioned at second handle above described first hammer and the second hammer, be fixed with a connecting link between described first handle and second handle.
3. steel core concrete column compactness detection device as claimed in claim 2, it is characterized in that, the angle between described first handle and second handle is 30 ° to 45 °.
4. steel core concrete column compactness detection device as claimed in claim 2, is characterized in that, be also provided with a spacing mandril above described second hammer.
5. steel core concrete column compactness detection device as claimed in claim 1, it is characterized in that, described first hammer is round end hammer.
6. steel core concrete column compactness detection device as claimed in claim 1, it is characterized in that, described sound pick-up outfit is recording pen, sound-track engraving apparatus or mobile phone.
7. a steel core concrete column compactness inspection method, is characterized in that, comprises the steps:
S1: choose some check points on steel pipe to be measured;
S2: be sheathed on outside steel pipe to be measured by fixed mount, makes the first hammer knocking hammer corresponding with the position of one of them check point;
S3: hammer is knocked in manual pull-up, and knock hammer described in making and contact with described steel pipe to be measured, knock hammer described in after loosing one's grip and do the movement of falling object, check point is knocked, and with the sound that described sound pick-up outfit record knocks;
S4: the position of mobile fixed mount on described steel pipe to be measured, makes the first hammer knocking hammer corresponding with the position of another check point, repeats step S3, until all check points have knocked;
S5: the packing judging steel core concrete column according to the sound of described sound pick-up outfit record.
8. steel core concrete column compactness inspection method as claimed in claim 7, it is characterized in that, when knocking, described sound pick-up outfit is consistent with the distance of corresponding check point at every turn.
9. steel core concrete column compactness inspection method as claimed in claim 7, it is characterized in that, in step S1, the method choosing check point is: along the short transverse of steel pipe to be measured, choose some equally spaced contours, described contour is chosen two orthogonal diameters, and 4 end points of two diameters are as described check point.
10. steel core concrete column compactness inspection method as claimed in claim 7, is characterized in that, detect and be divided into 4 stages to carry out, the first stage is the hollow state before building; Subordinate phase is for building latter 7th day; Third time is for building latter 14th day; 4th time for building latter 28th day.
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| CN201510430064.XA CN105021700B (en) | 2015-07-21 | 2015-07-21 | Steel core concrete column compactness detection device |
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| CN201510430064.XA CN105021700B (en) | 2015-07-21 | 2015-07-21 | Steel core concrete column compactness detection device |
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Cited By (7)
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| CN107449828A (en) * | 2017-08-22 | 2017-12-08 | 中国水利水电科学研究院 | A kind of rock-fill concrete structure space compactness inspection method and rock-fill concrete structure space compactness evaluation method |
| CN108760884A (en) * | 2018-06-01 | 2018-11-06 | 怀宁县恒源再生科技有限公司 | A kind of tube quality detection device |
| CN110568068A (en) * | 2019-09-02 | 2019-12-13 | 李文芳 | Steel core concrete column compactness detects frock |
| CN112179741A (en) * | 2020-10-15 | 2021-01-05 | 北京市第三建筑工程有限公司 | Structure and method for verifying compactness of steel pipe concrete column core |
| CN113063854A (en) * | 2021-05-07 | 2021-07-02 | 河北工业大学 | Hoop type automatic detection robot system for concrete-filled steel tubular columns and using method |
| CN113703036A (en) * | 2021-08-31 | 2021-11-26 | 宁波瑞能环境能源技术有限公司 | Pipeline sounding device and method for acoustic phased array measuring underground pipeline position |
| CN114544766A (en) * | 2022-02-21 | 2022-05-27 | 衢州市交科工程检测有限公司 | Concrete compactness detection device and detection method thereof |
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Cited By (10)
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| CN107449828A (en) * | 2017-08-22 | 2017-12-08 | 中国水利水电科学研究院 | A kind of rock-fill concrete structure space compactness inspection method and rock-fill concrete structure space compactness evaluation method |
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| CN113063854A (en) * | 2021-05-07 | 2021-07-02 | 河北工业大学 | Hoop type automatic detection robot system for concrete-filled steel tubular columns and using method |
| CN113703036A (en) * | 2021-08-31 | 2021-11-26 | 宁波瑞能环境能源技术有限公司 | Pipeline sounding device and method for acoustic phased array measuring underground pipeline position |
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| CN114544766B (en) * | 2022-02-21 | 2023-08-18 | 衢州市交科工程检测有限公司 | Concrete compactness detection device and detection method thereof |
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