CN102608025B - Pavement interlayer bonding strength detector - Google Patents
Pavement interlayer bonding strength detector Download PDFInfo
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- CN102608025B CN102608025B CN201210056806.3A CN201210056806A CN102608025B CN 102608025 B CN102608025 B CN 102608025B CN 201210056806 A CN201210056806 A CN 201210056806A CN 102608025 B CN102608025 B CN 102608025B
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Abstract
The invention discloses a pavement interlayer bonding strength detector, comprising a base, a frame I and a frame II. A nut is movably arranged at the upper part of the frame I; a bevel gear I is arranged at the upper part of the nut; an axial limit device is arranged between the frame I and the frame II; one side on which the nut is arranged, on the frame II is connected with a rotating shaft in a rotating way; one end of the rotating shaft extends out of the frame II, a bevel gear II is arranged at one end of the rotating shaft in the frame II, and a handle is arranged at one end of the rotating shaft outside the frame II; a screw rod is arranged in the nut, a rotating limit device is arranged at the upper part of the screw rod, and a tension force sensor is connected at the lower end of the screw rod; a fixture is connected at the lower end of the tension force sensor and comprises a pressing plate and a cylinder connected on the bottom surface of the pressing plate; the inner diameter of the cylinder increases gradually from bottom to top, and a cylindrical lining is arranged in the cylinder; and the outer diameter of the cylindrical lining increases gradually from bottom to top, and the inner diameter of the cylindrical lining is equal from bottom to top. According to the pavement interlayer bonding strength detector, the running is stable, external interference is small, and detected data are accurate.
Description
Technical field
The present invention relates to a kind of detector, particularly relate to a kind of road surface interlayer cementing intensity detector.
Background technology
At present, along with growing with each passing day of China's highway mileage, also there is ascendant trend in the destruction of bituminous pavement, caused huge economic loss.Bond strength between layers deficiency is that one of reason of gathering around bag and passing and Moisture Damage appears in bituminous pavement, the quality of road surface interlayer management is related to integrally-built permanance, investigation result demonstration, road surface early disease is greatly owing to causing in conjunction with bad between foundation base.Therefore, take measures to strengthen surface layer and basic unit's interlaminar bonding in Practical Project, usability and the serviceable life of road pavement are most important.
Between path layer in punishment technology, construction technology is very large on the impact of bond strength between layers, because the punishment of lower floor is improper or aspect is polluted the cohesive strength causing and declined and make the various interlayer diseases that occur in bond strength between layers that between design level, Treatment Methods can reach and Practical Project use procedure far from each other, thereby be necessary that the exploitation of carrying out bond strength between layers onthe technology of site test is to reach the real-time detection of bond strength between layers, for improvement and the quality control of construction technology provide foundation.
The most of motor that adopts of existing interlayer detecting instrument drives, thereby in Site Detection process, need to increase power supply, greatly reduce the actual detectability of instrument, the a large amount of electromagnetic waves that simultaneously produce in operation process due to motor, make testing result occur larger error thereby data acquisition unit is produced to disturb.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency of the prior art, a kind of road surface interlayer cementing intensity detector is provided.Operating steadily of this road surface interlayer cementing intensity detector, is subject to external interference little, detects data accurate, and it is simple in structure, easy to use, measuring accuracy is high, Measurement sensibility and validity is strong, production cost is low, is convenient to promote the use of.
For achieving the above object, the technical solution used in the present invention is: road surface interlayer cementing intensity detector, it is characterized in that: comprise base, be arranged on the framework one on base and be arranged on the framework two on framework one, the top movable of described framework one is provided with nut, the upper level of described nut is provided with bevel gear one, between described framework one and framework two, be provided with for holding nut rotation and for limiting the axially stop block of nut and bevel gear one axial displacement, a side that is positioned at nut on described framework two is rotatably connected to rotating shaft, framework two is stretched out in one end of described rotating shaft, one end that described rotating shaft is positioned at framework two is vertically provided with the bevel gear two suitable with bevel gear one, one end that described rotating shaft is positioned at outside framework two is provided with the handle for driving rotating shaft to rotate, the screw rod suitable with it is installed in described nut, the upper end of described screw rod passes framework two, the top of described screw rod is provided with the rotating limit device for limiting bolt rotary, the lower end of described screw rod is connected with pulling force sensor, the lower end of described pulling force sensor is connected with fixture, described fixture comprises pressing plate and is connected to the cylinder of pressing plate bottom surface, the internal diameter of described cylinder increases from bottom to top gradually, in described cylinder, be provided with the cylindrical shape lining cutting suitable with the inwall of cylinder, the external diameter of described cylindrical shape lining cutting increases from bottom to top gradually, the internal diameter of described cylindrical shape lining cutting all equates from bottom to top.
Above-mentioned road surface interlayer cementing intensity detector, it is characterized in that: the top of described framework one offers through hole one, the bottom of described nut is arranged in described through hole one and is gapped between the outside surface of nut and the inwall of through hole one, described nut middle part is provided with boss, described axially stop block comprises the connecting cylinder one being connected with the bottom surface on framework two tops, be arranged on screw rod and at the thrust bearing one between connecting cylinder one and bevel gear one be arranged on nut and be positioned at the thrust bearing two below boss, gapped between described thrust bearing one and screw rod, the upper end open of described connecting cylinder one, the lower end of described connecting cylinder one is provided with cover plate one, on described cover plate one, offer the through hole two penetrating for screw rod.
Above-mentioned road surface interlayer cementing intensity detector, it is characterized in that: described rotating limit device comprises the limiting plate being arranged on connecting cylinder one, described limiting plate lower end is connected on cover plate one, on described screw rod, offer the groove extending longitudinally along screw rod, a side of described limiting plate extend in groove.
Above-mentioned road surface interlayer cementing intensity detector, it is characterized in that: the upper surface of described pressing plate is provided with joint pin, on the outside surface of described joint pin, be provided with screw thread, the bottom of described pulling force sensor is provided with connector, described connector comprises connecting link and is arranged on the connecting cylinder two of connecting link below, the upper end of described connecting link is connected with pulling force sensor, the lower end of described connecting link is provided with spheroid, the upper end of described connecting cylinder two is provided with cover plate two, on described cover plate two, offer through hole three, described sphere installation is in connecting cylinder two, the aperture of described through hole three is less than the diameter of spheroid, on the inwall of described connecting cylinder two, be provided with the screw thread suitable with joint pin.
Above-mentioned road surface interlayer cementing intensity detector, is characterized in that: the bottom of described screw rod is provided with for preventing that screw rod bottom from passing the baffle ring of nut.
Above-mentioned road surface interlayer cementing intensity detector, it is characterized in that: on a side of described framework two, offer through hole four, one end of described rotating shaft extend in framework two by through hole four, the aperture of described through hole four is greater than the diameter of rotating shaft, described bevel gear two is provided with cylindrical shell away from a side for bevel gear one, described cylindrical shell is arranged on the inwall of framework two with the coaxial laying of through hole four and its one end, between described cylindrical shell and rotating shaft, is provided with radial bearing.
Above-mentioned road surface interlayer cementing intensity detector, is characterized in that: on described cylinder, offer the multiple grooves that vertically extend, be provided with the screw being connected with cylindrical shape lining cutting in described groove, the diameter of the head of screw of described screw is greater than the width of groove.
Above-mentioned road surface interlayer cementing intensity detector, it is characterized in that: described cylinder comprises the circular arc unit one being fixedly connected with pressing plate bottom surface and the circular arc unit two being rotationally connected with circular arc unit one, one end of described circular arc unit two is hinged by one end of hinge and circular arc unit one, on the outer wall of described circular arc unit two other ends, web joint is installed, on described web joint, be provided with the bolt for connecting circular arc unit one and web joint, described cylindrical shape lining cutting comprise the lining element one suitable with the inwall of circular arc unit one and with the suitable lining element two of the inwall of circular arc unit two.
Above-mentioned road surface interlayer cementing intensity detector, is characterized in that: the radian of described circular arc unit one is greater than the radian of circular arc unit two.
The present invention compared with prior art has the following advantages:
1, of the present invention simple in structure, rationally novel in design, be easy to install.
2, the present invention is by arranging bevel gear one, bevel gear two, nut, screw rod, fixture, axially stop block and rotating limit device, rotating band dynamic bevel gear one by bevel gear two rotates, bevel gear one drives nut rotation, thereby by being set, axially stop block ensures that nut rotates and do not produce axial displacement, by being set, rotating limit device ensured that screw rod can not rotate with nut simultaneously, thereby screw rod produces vertical displacement and does not rotate under the drive of nut, when moving upward, moves in lifting clamp screw rod, when cylinder on described fixture moves upward, its internal diameter reduces gradually, described cylindrical shape lining cutting moves on gradually under the drive of cylinder and its external diameter increases gradually, so, cylinder is increasing to the pressure of cylindrical shape lining cutting, cylindrical shape lining cutting is also more and more stronger with the friction force that right cylinder pavement structure is therein installed, thereby along with moving on fixture, measure road surface interlayer cementing intensity by pulling force sensor, use more convenient.
3, cylinder of the present invention comprises circular arc unit one and circular arc unit two, and cylindrical shape lining cutting comprises lining element one and lining element two, conveniently like this will more easily realize being connected of fixture and right cylinder pavement structure.
4, the present invention by offering the multiple grooves that vertically extend on cylinder, in multiple described grooves, be provided with the screw being connected with cylindrical shape lining cutting, the diameter of the head of screw of screw is greater than the width of groove, by multiple grooves and screw are set, the conveniently connection of cylindrical shape lining cutting and cylinder in the time of carrying or transport.
5, of the present invention to realize cost low, and result of use is good, is convenient to promote the use of.
In sum, the present invention is simple in structure, rationally novel in design, functional reliability is high, long service life, change traditional motor and drive and adopt bevel gear driving, thereby drive pulling force sensor and right cylinder pavement structure to carry out the detection of interlaminar bonding situ strength, in the situation that ensureing stable drive, improved the degree of accuracy of testing result.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of rotating limit device of the present invention.
Fig. 3 is the structural representation of fixture of the present invention.
Fig. 4 is the annexation schematic diagram of circular arc of the present invention unit one and circular arc unit two.
Description of reference numerals:
1-base; 2-framework one; 3-framework two;
4-screw rod; 4-1-groove; 5-connecting cylinder one;
5-1-cover plate one; 5-2-limiting plate; 6-thrust bearing one;
7-bevel gear one; 8-nut; 8-1-boss;
9-cylindrical shell; 10-radial bearing; 11-rotating shaft;
12-handle; 13-bevel gear two; 14-baffle ring;
15-pulling force sensor; 16-connecting link; 17-connecting cylinder two;
17-1-cover plate two; 18-spheroid; 19-thrust bearing two;
20-joint pin; 21-pressing plate; 22-cylinder;
22-1-groove; 22-2-circular arc unit one; 22-3-circular arc unit two;
The lining cutting of 23-cylindrical shape; 23-1-lining element one; 23-2-lining element two;
24-screw; 25-web joint; 26-bolt;
27-hinge; 28-right cylinder pavement structure.
Embodiment
As Fig. 1, a kind of road surface interlayer cementing intensity detector shown in Fig. 2 and Fig. 3, comprise base 1, be arranged on the framework 1 on base 1 and be arranged on the framework 23 on framework 1, the top movable of described framework 1 is provided with nut 8, the upper level of described nut 8 is provided with bevel gear 1, between described framework 1 and framework 23, be provided with for holding nut 8 and rotate and for limiting the axially stop block of nut 8 and bevel gear one 7 axial displacements, a side that is positioned at nut 8 on described framework 23 is rotatably connected to rotating shaft 11, framework 23 is stretched out in one end of described rotating shaft 11, one end that described rotating shaft 11 is positioned at framework 23 is vertically provided with the bevel gear two 13 suitable with bevel gear 1, one end that described rotating shaft 11 is positioned at outside framework 23 is provided with the handle 12 for driving rotating shaft 11 to rotate, in described nut 8, the screw rod suitable with it 4 is installed, the upper end of described screw rod 4 passes framework 23, the top of described screw rod 4 is provided with the rotating limit device rotating for limiting screw rod 4, the lower end of described screw rod 4 is connected with pulling force sensor 15, the lower end of described pulling force sensor 15 is connected with fixture, described fixture comprises pressing plate 21 and is connected to the cylinder 22 of pressing plate 21 bottom surfaces, the internal diameter of described cylinder 22 increases from bottom to top gradually, in described cylinder 22, be provided with the cylindrical shape lining cutting 23 suitable with the inwall of cylinder 22, the external diameter of described cylindrical shape lining cutting 23 increases from bottom to top gradually, the internal diameter of described cylindrical shape lining cutting 23 all equates from bottom to top.
When use, adopt road surface to bore core machine drill to designated depth, described designated depth is greater than top course and layer thickness sum, in the situation that ensureing not take out test specimen, steadily take out drill bit, form the right cylinder pavement structure 28 of diameter 100mm, cylindrical shape lining cutting 23 is enclosed within on right cylinder pavement structure 28, adjust chucking position makes its end face parallel with road surface simultaneously, pulling force sensor 15 is connected with data display equipment by data line, swing handle 12, handle 12 drives rotating shaft 11 to rotate, rotating shaft 11 is with dynamic bevel gear 2 13 to rotate, rotating band dynamic bevel gear 1 by bevel gear 2 13 rotates, bevel gear 1 drives nut 8 to rotate, thereby by being set, axially stop block ensures that nut 8 rotates and do not produce axial displacement, thereby by being set, rotating limit device ensures that screw rod 4 can not rotate with nut 8 simultaneously, thereby screw rod 4 produces vertical displacement and does not rotate under the drive of nut 8, when screw rod 4 moves upward, thereby move in lifting clamp, when cylinder 22 on described fixture moves upward, its internal diameter reduces gradually, described cylindrical shape lining cutting 23 moves on gradually under the drive of cylinder 22 and its external diameter increases gradually, so, cylinder 22 is increasing to the pressure of cylindrical shape lining cutting 23, cylindrical shape lining cutting 23 is also more and more stronger with the friction force that right cylinder pavement structure 28 is therein installed, thereby along with moving on fixture, make screw rod 4 with the speed rising of 10mm/min until right cylinder pavement structure 28 pulls out road surface, reading out data display peak force record, this peak force is road surface interlayer cementing power F, unload lower union joint, utilize vernier caliper to record the diameter D of 28-right cylinder pavement structure 28, road surface interlayer cementing intensity σ calculates according to following formula (1):
In above-mentioned formula (1), F is road surface interlayer cementing power; D is the right cylinder pavement structure diameter of extracting afterwards after testing; σ is road surface interlayer cementing intensity.
As shown in Figure 1, the top of described framework 1 offers through hole one, the bottom of described nut 8 is arranged in described through hole one and is gapped between the outside surface of nut 8 and the inwall of through hole one, described nut 8 middle parts are provided with boss 8-1, described axially stop block comprises the connecting cylinder 1 being connected with the bottom surface on framework 23 tops, be arranged on screw rod 4 and at the thrust bearing 1 between connecting cylinder 1 and bevel gear 1 be arranged on nut 8 and be positioned at the thrust bearing 2 19 below boss 8-1, gapped between described thrust bearing 1 and screw rod 4, the upper end open of described connecting cylinder 1, the lower end of described connecting cylinder 1 is provided with cover plate one 5-1, on described cover plate one 5-1, offer the through hole two penetrating for screw rod 4.
As shown in Figure 2, described rotating limit device comprises the limiting plate 5-2 being arranged on connecting cylinder 1, it is upper that described limiting plate 5-2 lower end is connected to cover plate one 5-1, offers the groove 4-1 extending longitudinally along screw rod 4 on described screw rod 4, and a side of described limiting plate 5-2 extend in groove 4-1.
In conjunction with Fig. 1 and Fig. 3, the upper surface of described pressing plate 21 is provided with joint pin 20, on the outside surface of described joint pin 20, be provided with screw thread, the bottom of described pulling force sensor 15 is provided with connector, described connector comprises connecting link 16 and is arranged on the connecting cylinder 2 17 of connecting link 16 belows, the upper end of described connecting link 16 is connected with pulling force sensor 15, the lower end of described connecting link 16 is provided with spheroid 18, the upper end of described connecting cylinder 2 17 is provided with cover plate two 17-1, on described cover plate two 17-1, offer through hole three, described spheroid 18 is arranged in connecting cylinder 2 17, the aperture of described through hole three is less than the diameter of spheroid 18, on the inwall of described connecting cylinder 2 17, be provided with the screw thread suitable with joint pin 20.
As shown in Figure 1, the bottom of described screw rod 4 is provided with for preventing that screw rod 4 bottoms from passing the baffle ring 14 of nut 8.On one side of described framework 23, offer through hole four, one end of described rotating shaft 11 extend in framework 23 by through hole four, the aperture of described through hole four is greater than the diameter of rotating shaft 11, described bevel gear 2 13 is provided with cylindrical shell 9 away from a side for bevel gear 1, described cylindrical shell 9 is arranged on the inwall of framework 23 with the coaxial laying of through hole four and its one end, between described cylindrical shell 9 and rotating shaft 11, is provided with radial bearing 10.
As shown in Figure 3, offer the multiple groove 22-1 that vertically extend on described cylinder 22, be provided with the screw 24 being connected with cylindrical shape lining cutting 23 in described groove 22-1, the diameter of the head of screw of described screw 24 is greater than the width of groove 22-1.By multiple groove 22-1 and screw 24 are set, the conveniently connection of cylindrical shape lining cutting 23 and cylinder 22 in the time of carrying or transport.
As shown in Figure 4, described cylinder 22 comprises circular arc unit one 22-2 being fixedly connected with pressing plate 21 bottom surfaces and circular arc unit two 22-3 that are rotationally connected with circular arc unit one 22-2, one end of described circular arc unit two 22-3 is hinged with one end of circular arc unit one 22-2 by hinge 27, on the outer wall of the described circular arc unit two 22-3 other ends, web joint 25 is installed, on described web joint 25, be provided with the bolt 26 for connecting circular arc unit one 22-2 and web joint 25, described cylindrical shape lining cutting 23 comprise lining element one 23-1 suitable with the inwall of circular arc unit one 22-2 and with suitable lining element two 23-2 of the inwall of circular arc unit two 22-3, conveniently like this being connected of fixture and right cylinder pavement structure will more easily be realized.Preferred way is that the radian of described circular arc unit one 22-2 is greater than the radian of circular arc unit two 22-3.
This road surface interlayer cementing intensity detector convenient transportation, does not need other cementing agents and does not need external power supply in use procedure, fundamentally improved interlayer detection efficiency, conveniently interlayer punishment effect is monitored in real time in pavement construction process; And this detector operates steadily, reduce the interference of external power supply to mechanics sensor, improve accuracy of detection.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every any simple modification, change and equivalent structure transformation of above embodiment being done according to the technology of the present invention essence, all still belongs in the protection domain of technical solution of the present invention.
Claims (8)
1. road surface interlayer cementing intensity detector, it is characterized in that: comprise base (1), be arranged on the framework one (2) on base (1) and be arranged on the framework two (3) on framework one (2), the top movable of described framework one (2) is provided with nut (8), the upper level of described nut (8) is provided with bevel gear one (7), between described framework one (2) and framework two (3), be provided with for holding nut (8) rotation and for limiting the axially stop block of nut (8) and bevel gear one (7) axial displacement, a side that is positioned at nut (8) on described framework two (3) is rotatably connected to rotating shaft (11), framework two (3) is stretched out in one end of described rotating shaft (11), one end that described rotating shaft (11) is positioned at framework two (3) is vertically provided with the bevel gear two (13) suitable with bevel gear one (7), described rotating shaft (11) is positioned at framework two (3) outer one end and is provided with the handle (12) for driving rotating shaft (11) to rotate, the screw rod suitable with it (4) is installed in described nut (8), the upper end of described screw rod (4) passes framework two (3), the top of described screw rod (4) is provided with the rotating limit device rotating for limiting screw rod (4), the lower end of described screw rod (4) is connected with pulling force sensor (15), the lower end of described pulling force sensor (15) is connected with fixture, described fixture comprises pressing plate (21) and is connected to the cylinder (22) of pressing plate (21) bottom surface, the internal diameter of described cylinder (22) increases from bottom to top gradually, in described cylinder (22), be provided with the cylindrical shape lining cutting (23) suitable with the inwall of cylinder (22), the external diameter of described cylindrical shape lining cutting (23) increases from bottom to top gradually, the internal diameter of described cylindrical shape lining cutting (23) all equates from bottom to top, described cylinder (22) comprises the circular arc unit one (22-2) being fixedly connected with pressing plate (21) bottom surface and the circular arc unit two (22-3) being rotationally connected with circular arc unit one (22-2), one end of described circular arc unit two (22-3) is hinged with one end of circular arc unit one (22-2) by hinge (27), on the outer wall of described circular arc unit two (22-3) other end, web joint (25) is installed, on described web joint (25), be provided with the bolt (26) for connecting circular arc unit one (22-2) and web joint (25), described cylindrical shape lining cutting (23) comprise the lining element one (23-1) suitable with the inwall of circular arc unit one (22-2) and with the suitable lining element two (23-2) of the inwall of circular arc unit two (22-3).
2. road surface interlayer cementing intensity detector according to claim 1, it is characterized in that: the top of described framework one (2) offers through hole one, the bottom of described nut (8) is arranged in described through hole one and is gapped between the outside surface of nut (8) and the inwall of through hole one, described nut (8) middle part is provided with boss (8-1), described axially stop block comprises the connecting cylinder one (5) being connected with the bottom surface on framework two (3) tops, be arranged on screw rod (4) and be positioned at the thrust bearing one (6) between connecting cylinder one (5) and bevel gear one (7) and be arranged on nut (8) thrust bearing two (19) of going up and be positioned at boss (8-1) below, gapped between described thrust bearing one (6) and screw rod (4), the upper end open of described connecting cylinder one (5), the lower end of described connecting cylinder one (5) is provided with cover plate one (5-1), on described cover plate one (5-1), offer the through hole two penetrating for screw rod (4).
3. road surface interlayer cementing intensity detector according to claim 2, it is characterized in that: described rotating limit device comprises the limiting plate (5-2) being arranged on connecting cylinder one (5), described limiting plate (5-2) lower end is connected on cover plate one (5-1), on described screw rod (4), offer the groove (4-1) extending longitudinally along screw rod (4), a side of described limiting plate (5-2) extend in groove (4-1).
4. according to claim 1, road surface interlayer cementing intensity detector described in 2 or 3, it is characterized in that: the upper surface of described pressing plate (21) is provided with joint pin (20), on the outside surface of described joint pin (20), be provided with screw thread, the bottom of described pulling force sensor (15) is provided with connector, described connector comprises connecting link (16) and is arranged on the connecting cylinder two (17) of connecting link (16) below, the upper end of described connecting link (16) is connected with pulling force sensor (15), the lower end of described connecting link (16) is provided with spheroid (18), the upper end of described connecting cylinder two (17) is provided with cover plate two (17-1), on described cover plate two (17-1), offer through hole three, described spheroid (18) is arranged in connecting cylinder two (17), the aperture of described through hole three is less than the diameter of spheroid (18), on the inwall of described connecting cylinder two (17), be provided with the screw thread suitable with joint pin (20).
5. according to the road surface interlayer cementing intensity detector described in claim 1,2 or 3, it is characterized in that: the bottom of described screw rod (4) is provided with for preventing that screw rod (4) bottom from passing the baffle ring (14) of nut (8).
6. according to claim 1, road surface interlayer cementing intensity detector described in 2 or 3, it is characterized in that: on a side of described framework two (3), offer through hole four, one end of described rotating shaft (11) extend in framework two (3) by through hole four, the aperture of described through hole four is greater than the diameter of rotating shaft (11), described bevel gear two (13) is provided with cylindrical shell (9) away from a side for bevel gear one (7), described cylindrical shell (9) is arranged on the inwall of framework two (3) with the coaxial laying of through hole four and its one end, between described cylindrical shell (9) and rotating shaft (11), be provided with radial bearing (10).
7. according to the road surface interlayer cementing intensity detector described in claim 1,2 or 3, it is characterized in that: on described cylinder (22), offer the multiple grooves (22-1) that vertically extend, in described groove (22-1), be provided with the screw (24) being connected with cylindrical shape lining cutting (23), the diameter of the head of screw of described screw (24) is greater than the width of groove (22-1).
8. road surface interlayer cementing intensity detector according to claim 1, is characterized in that: the radian of described circular arc unit one (22-2) is greater than the radian of circular arc unit two (22-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210056806.3A CN102608025B (en) | 2012-03-06 | 2012-03-06 | Pavement interlayer bonding strength detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210056806.3A CN102608025B (en) | 2012-03-06 | 2012-03-06 | Pavement interlayer bonding strength detector |
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| CN102608025A CN102608025A (en) | 2012-07-25 |
| CN102608025B true CN102608025B (en) | 2014-07-16 |
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| CN201210056806.3A Expired - Fee Related CN102608025B (en) | 2012-03-06 | 2012-03-06 | Pavement interlayer bonding strength detector |
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| CN103115866A (en) * | 2013-01-11 | 2013-05-22 | 安徽省建筑工程质量监督检测站 | Electric multifunctional bonding-strength drawing instrument |
| CN103604743A (en) * | 2013-10-31 | 2014-02-26 | 青岛林川工程技术咨询有限公司 | Testing apparatus and testing method for testing interlayer connection strength of pavement layers |
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| CN106053340A (en) * | 2016-07-14 | 2016-10-26 | 广东电网有限责任公司电力科学研究院 | Bonding strength testing device |
| CN107462360B (en) * | 2017-08-21 | 2023-08-29 | 西继迅达电梯有限公司 | Elevator driven brake electromagnetic force testing device |
| CN108801908B (en) * | 2018-06-15 | 2021-05-14 | 江苏中路工程技术研究院有限公司 | On-site testing device and testing method for pavement interlayer bonding strength |
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