CN115143856B - Vibration-resistant column and blasting vibration protection device thereof - Google Patents
Vibration-resistant column and blasting vibration protection device thereof Download PDFInfo
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- CN115143856B CN115143856B CN202210962436.3A CN202210962436A CN115143856B CN 115143856 B CN115143856 B CN 115143856B CN 202210962436 A CN202210962436 A CN 202210962436A CN 115143856 B CN115143856 B CN 115143856B
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- 238000005422 blasting Methods 0.000 title description 35
- 238000013016 damping Methods 0.000 claims abstract description 57
- 230000006835 compression Effects 0.000 claims abstract description 3
- 238000007906 compression Methods 0.000 claims abstract description 3
- 238000002955 isolation Methods 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000035939 shock Effects 0.000 claims description 5
- 239000006096 absorbing agent Substances 0.000 claims 1
- 238000004880 explosion Methods 0.000 abstract description 8
- 239000004575 stone Substances 0.000 abstract description 6
- 230000005489 elastic deformation Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
- F42D5/04—Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
- F42D5/045—Detonation-wave absorbing or damping means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a vibration-damping column and a novel explosion vibration protection device thereof, the vibration-damping column comprises a supporting main body and a rectangular main body frame sleeved outside the supporting main body, a vibration-damping assembly is arranged in an area between the rectangular main body frame and the supporting main body, the vibration-damping assembly comprises vertical high-performance vibration-damping springs and transverse high-performance vibration-damping springs which are both in compression states, the vertical high-performance vibration-damping springs are respectively arranged at four corners of the rectangular main body frame, a plurality of transverse high-performance vibration-damping springs are respectively arranged between every two adjacent vertical high-performance vibration-damping springs, two ends of each transverse high-performance vibration-damping spring are perpendicular to the rectangular main body frame and the supporting main body, the vertical high-performance vibration-damping springs and the transverse high-performance vibration-damping springs are used as an intermediate medium, the high-performance vibration-damping springs absorb energy generated by the impact action of flying stones through elastic deformation, the high-performance vibration-damping springs form a hoop action on a lead core pile, the action time of explosion vibration can be prolonged, and the explosion vibration peak value can be reduced.
Description
Technical Field
The invention belongs to the technical field of blasting construction vibration test and protection, and particularly relates to a blasting vibration protection device.
Background
Along with the vigorous development of infrastructure construction, engineering blasting technology is widely applied to various fields of national economy and becomes one of indispensable important construction means, but blasting operation brings great economic and social benefits for people and simultaneously causes blasting accidents and great loss for life and property safety of the state and people. The blasting vibration has obvious influence on blasting four-pollution. Deformation, local cracking, and even collapse of adjacent building structures may occur, even with varying degrees of influence on personnel in a range around the blast area. The blasting sensor can monitor the ground vibration information around the blasting engineering and provide data support for the safety evaluation of the blasting engineering, so that the monitoring of the ground vibration by the blasting sensor has important significance for the research of the blasting engineering.
In blasting construction, explosive shock waves are generated and are divided into pressure waves and vibration waves, and when the blasting construction causes the vibration of the ground, the pressure waves in the shock waves can damage the adhesion between a blasting sensor and the ground, and even cause the situation that the sensor is knocked over; the vibration wave in the explosion air shock wave can form noise to interfere with the vibration information of the monitoring ground, and errors are generated; the blasting engineering can also produce flying stones, and small sandstone hits the sensor, can lead to monitoring data inaccuracy, and large flying stones hit the sensor, can directly destroy the sensor, leads to monitoring inefficacy, causes economic loss.
At present, few protection researches on a blasting sensor are carried out, when a monitoring point is close to a blasting center, the blast wave and the flying stone generated by blasting often cause monitoring failure and the damage of an instrument and cause the loss of manpower and material resources, so the protection and vibration isolation device of the blasting vibration meter has important significance for the safety assessment of blasting engineering and the research on blasting vibration.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides a blasting vibration protection device which is used for solving the problems of protection and accurate vibration isolation of a blasting vibration meter.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a vibration damping column, which comprises a supporting main body and a rectangular main body frame sleeved outside the supporting main body, wherein a vibration damping assembly is arranged in an area between the rectangular main body frame and the supporting main body, the vibration damping assembly comprises vertical high-performance vibration damping springs and transverse high-performance vibration damping springs which are in compression states, the vertical high-performance vibration damping springs are respectively arranged at four corners of the rectangular main body frame, a plurality of transverse high-performance vibration damping springs are respectively arranged between every two adjacent vertical high-performance vibration damping springs, and two ends of each transverse high-performance vibration damping spring are perpendicular to the rectangular main body frame and the supporting main body.
Preferably, the support body is a lead core stake.
Preferably, the top of the support body is filled with rubber.
Preferably, the diameter of the vertical high-performance vibration reduction spring is 5-8mm, and the diameter of the horizontal high-performance vibration reduction spring is 4-8mm.
The invention also provides a blasting vibration protection device applying the vibration-resistant column, which comprises a main body component and a plurality of vibration-resistant columns supported on the lower surface of the main body component, wherein the vibration-resistant columns are connected with the rubber support vibration isolator, and the rubber support vibration isolator is connected with a bedrock to be tested; the periphery of the main body member is adhered with an external rubber protective cover, and a protective space is formed.
Preferably, the vibration-resisting column is welded on the rubber support vibration isolator; the rubber support vibration isolator is connected with the bedrock to be tested through the screw.
Preferably, the rubber support vibration isolator comprises an upper protection layer steel sheet, a rubber vibration isolation material and a lower protection layer steel sheet which are sequentially arranged.
Preferably, the rubber mount vibration isolator has mount dimensions of 60mm by 60mm and the internal rubber vibration isolation material dimensions of 55mm by 55mm.
Preferably, the outer rubber boot has a thickness of 5mm.
Preferably, the main body member is 250mm, 150mm in length, width and height, 50mm in thickness, 50mm of cuboid extending outwards from four corners, and 50mm×50mm of cross section.
Compared with the prior art, the invention has the following beneficial effects:
1) The cuboid main body member is made of steel, so that the basic protection function of the explosion vibration meter can be met, particularly, a noise interference monitoring result is formed aiming at explosion shock waves, the rubber support vibration isolator can absorb noise interference, noise is effectively reduced to be used as excitation to be transmitted into the sensor, the sensor can be protected, and the noise can be prevented from interfering with the monitoring result.
2) The rubber support vibration isolator can absorb kinetic energy generated by collision of flying stones with the device; the lead core pile and the cuboid main body member are not bonded or just connected, but the vertical high-performance damping spring and the horizontal high-performance damping spring are used as an intermediate medium, the high-performance damping spring absorbs energy generated by the impact action of flying stones through elastic deformation, in addition, the high-performance damping spring forms a hoop action on the lead core pile, the action time of blasting vibration can be prolonged, and the blasting vibration peak value is reduced. Therefore, the rubber support vibration isolator and the high-performance vibration reduction spring form a whole and jointly bear the dissipation of energy, so that the vibration isolation effect is achieved to the greatest extent.
3) The invention has the advantages of simple structure, low cost of the used materials, no need of external energy source and clear mechanism.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a three-dimensional side view of a blast vibration meter protection and isolation device of the present invention;
FIG. 2 is an elevation view of the blast vibration meter protection and isolation device of the present invention;
FIG. 3 is an elevation view of a rubber mount isolator of the blast vibration meter protection and isolation device of the present invention;
FIG. 4 is a cross-sectional view of the invention at AA';
FIG. 5 is a cross-sectional view of the invention at CC';
FIG. 6 is a cross-sectional view of the invention at BB';
wherein: 1. the external rubber protective cover, 2, a main body member, 3, a rubber support vibration isolator, 4, a lead core pile, 5, a vertical high-performance damping spring, 6, a transverse high-performance damping spring, 7, filling rubber, 8 and a screw.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1 to 6, the invention provides a vibration-resistant column and a blasting vibration protection device thereof, the protection device is in a cuboid shape, four supports are arranged on the periphery, the whole device is made of steel, the five surfaces except the bottommost part are filled with solid materials, and the junction between the side surfaces is hollow. The vibration isolator comprises an external rubber protective cover 1, a cuboid main body member 2, a rubber support vibration isolator 3, a lead core pile (supporting main body) 4, a vertical high-performance vibration reduction spring 5, a horizontal high-performance vibration reduction spring 6, filling rubber 7 and screws 8; the top and the four side walls of the vibration isolation column and the explosion vibration protection device are sequentially provided with an external rubber protection cover 1 and a cuboid main body member 2 from outside to inside, and the external rubber protection cover 1 is adhered to the cuboid main body member 2; the rubber support vibration isolator 3 is connected with the bedrock to be tested through screws 8, the rubber vibration isolation material inside the whole rubber support vibration isolator 3 is respectively provided with a protective layer steel sheet up and down, and the screws 8 respectively penetrate through the upper protective layer steel sheet, the rubber vibration isolation material and the lower protective steel sheet from top to bottom and then are rigidly connected with the bedrock to be tested; the lead core pile 4 is welded on the rubber support vibration isolator 3, and the lead core pile 4 extends into the cuboid main body member 2 all the time; four vertical high-performance damping springs are arranged around each corner of the cuboid main body member 2, the high-performance damping springs 5 are in a compressed state, the upper parts of the high-performance damping springs are connected with top filling rubber 7, the filling rubber 7 is adhered to the cuboid main body member 2, and the lower ends of the vertical high-performance damping springs 5 are connected with rubber support vibration isolators 3; the other positions of each corner of the cuboid main body member 2 are provided with transverse high-performance damping springs 6, the springs are in a compressed state, one section of each spring is connected with the lead core piles 4, and the other end of each spring is connected with the cuboid main body member 2; all of the vertical high-performance damper springs 5 and the horizontal high-performance damper springs 6 are not connected (bonded or just connected) with the rectangular main body member 2, the rubber mount vibration isolator 3 and the lead core piles 4. When the device is used, the drilling machine is used for drilling holes in bedrock, and then the device is connected with the bedrock through the screw 8.
The rectangular main body member 2 in this embodiment has dimensions of 250mm, 150mm and 50mm in length, width, height and thickness, and extends out of the rectangular parallelepiped at four corners by 50mm, and has a cross section of 50mm×50mm. The thickness of the outer rubber protective cover 1 is 5mm, the support size of the rubber support vibration isolator 3 is 60mm×60mm, the size of the inner rubber vibration isolation material is 55mm×55mm, the height of the inner lead core pile 4 is 100 mm, and the section is 40 mm×40 mm. The diameter of the vertical high-performance vibration reduction spring 5 is 6 mm; the diameter of the transverse high-performance damping spring 6 is 12 mm, the spring is in a compressed state, one section of the transverse high-performance damping spring 6 is connected with the lead core pile 4, the other end of the transverse high-performance damping spring is connected with the cuboid main body member 2, the transverse high-performance damping spring 6 is uniformly distributed between the lead core pile 4 and the cuboid main body member 2, and no gap is reserved. The height of the filling rubber 7 at the top of the inner lead core stake 4 is 50mm and the cross-sectional dimensions are 50mm by 50mm. The screw 8 has a diameter of 3 mm and a length of 60 mm.
In this embodiment, when the blasting construction, blasting gravel and dust that the blasting produced are directly blocked by outside rubber protection casing, and the great blasting flyrock of volume of production is blocked jointly by cuboid main part component, rubber support isolator, plumbous nuclear stake, vertical high performance damping spring, horizontal high performance damping spring, filling rubber, and cuboid main part component material is steel, can effectively block the flyrock, prevents the sensor destruction, absorbs the energy that the flyrock impact produced through high performance spring's deformation. When the vibration meter is installed, the vibration meter (comprising a sensor and a host) is wrapped by the device, the device is just connected with bedrock through the rubber support vibration isolator, the rubber support vibration isolator is used as a vertical bearing device, vibration isolation and energy dissipation requirements can be met, a lead nuclear pile is fixed on each rubber support vibration isolator, lead has higher initial shearing rigidity and lower shearing-resistant yield strength, the elastoplastic behavior of the lead nuclear pile has good fatigue performance under plastic circulation, higher horizontal rigidity is provided under the use load, and higher energy dissipation is provided under the blasting vibration. The protection and vibration prevention effects of the explosion vibration meter can be achieved in the embodiment.
The manufacturing method of the embodiment is manufactured according to the following steps:
firstly, according to the sizes of a sensor and a main machine of a blasting vibration meter, the sizes of all components of the whole device are determined, wherein the device comprises an external rubber protective cover, a cuboid main body component, a rubber support vibration isolator, a lead core pile, a vertical high-performance vibration damping spring, a transverse high-performance vibration damping spring, filling rubber and screws.
Next, according to the design, each component is manufactured. The filling rubber is adhered to the top of four corners of the main body member of the cuboid, the lead core piles are welded (just connected) to the upper protection layer steel sheet and extend into the main body member of the cuboid, the compressed longitudinal and transverse high-performance damping springs are placed at corresponding positions, and the screws penetrate through the upper protection layer steel sheet, the rubber vibration isolation material and the lower protection steel sheet from top to bottom respectively and are rigidly connected with the bedrock to be tested. Finally, the outer rubber protective cover is adhered to the outer surface of the whole device.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the present invention and its core ideas; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In summary, the present description should not be construed as limiting the invention.
Claims (10)
1. The vibration damping column is characterized by comprising a supporting main body and a rectangular main body frame sleeved outside the supporting main body, wherein a vibration damping assembly is arranged in an area between the rectangular main body frame and the supporting main body, the vibration damping assembly comprises vertical high-performance vibration damping springs and transverse high-performance vibration damping springs which are in compression states, the vertical high-performance vibration damping springs are respectively arranged at four corners of the rectangular main body frame, a plurality of transverse high-performance vibration damping springs are respectively arranged between every two adjacent vertical high-performance vibration damping springs, and two ends of each transverse high-performance vibration damping spring are perpendicular to the rectangular main body frame and the supporting main body;
the vertical high performance damping springs and the lateral high performance damping springs are distributed around the support body.
2. The vibration-damping column according to claim 1, wherein the support body is a lead nuclear pile.
3. The vibration-damping column according to claim 1 or 2, wherein the top of the support body is filled with rubber.
4. The shock absorber column of claim 1 wherein said vertical high performance damper spring diameter is 5-8mm and said lateral high performance damper spring diameter is 4-8mm.
5. A blast vibration protection device using the vibration isolation column according to any one of claims 1 to 4, comprising a main body member and a plurality of vibration isolation columns supported on the lower surface of the main body member, wherein the vibration isolation columns are connected with a rubber support vibration isolator, and the rubber support vibration isolator is connected with a bedrock to be tested; the periphery of the main body member is adhered with an external rubber protective cover, and a protective space is formed.
6. The blast vibration guard of claim 5, wherein the vibration-damping post is welded to the rubber mount isolator; the rubber support vibration isolator is connected with the bedrock to be tested through screws.
7. The blast vibration guard of claim 6, wherein the rubber mount isolator comprises an upper deck steel sheet, a rubber vibration isolation material, and a lower deck steel sheet arranged in that order.
8. The blast vibration guard of claim 7, wherein the rubber mount isolator has mount dimensions of 60mm x 60mm and the internal rubber isolator material has dimensions of 55mm x 55mm.
9. The blast vibration guard of claim 5, wherein the outer rubber boot is 5mm thick.
10. The blast vibration guard of claim 5, wherein the body member is 250mm, 150mm in length, width, height, and thickness of 50mm, and the four corners extend 50mm outward from the body member, and has a cross section of 50mm x 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210962436.3A CN115143856B (en) | 2022-08-11 | 2022-08-11 | Vibration-resistant column and blasting vibration protection device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210962436.3A CN115143856B (en) | 2022-08-11 | 2022-08-11 | Vibration-resistant column and blasting vibration protection device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115143856A CN115143856A (en) | 2022-10-04 |
| CN115143856B true CN115143856B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210962436.3A Active CN115143856B (en) | 2022-08-11 | 2022-08-11 | Vibration-resistant column and blasting vibration protection device thereof |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050007487A (en) * | 2003-07-08 | 2005-01-19 | 한국전력공사 | Spring and damper type vibration isolation apparatus |
| EP2037206A2 (en) * | 2007-09-11 | 2009-03-18 | Scanfiber Composites A/S | A mat having flexible ballistic protection and shock damping |
| CN203964793U (en) * | 2014-07-23 | 2014-11-26 | 浙江省隧道工程公司 | Explosion shock dropping device with silencing function |
| RU2661632C1 (en) * | 2017-08-31 | 2018-07-17 | Олег Савельевич Кочетов | Spatial vibration isolator of frame type |
| CN108663109A (en) * | 2018-05-16 | 2018-10-16 | 中国建筑科学研究院有限公司 | Work protection device of blasting vibration sensor |
| CN210155343U (en) * | 2019-07-23 | 2020-03-17 | 河南理工大学 | Protection device of tunnel blasting near-zone vibration meter |
| CN210652675U (en) * | 2019-11-04 | 2020-06-02 | 天津广卓盛泰汽车配件有限公司 | Automobile oil tank is with buffering shock pad |
| CN210689416U (en) * | 2019-09-03 | 2020-06-05 | 中国人民解放军陆军工程大学 | Engineering protection net structure for blasting landmine |
| CN212643926U (en) * | 2020-06-30 | 2021-03-02 | 湖北科浩机械有限公司 | Vibration isolation mechanism for engine power pack |
| CN214308413U (en) * | 2020-10-20 | 2021-09-28 | 安徽理工大学 | A shock attenuation energy-absorbing protector for blasting experiment under water |
| CN214842823U (en) * | 2021-03-11 | 2021-11-23 | 中交一公局集团有限公司 | Collaborative device for intercepting blasting flyrock and slowing down vibration |
| CN215059126U (en) * | 2021-04-21 | 2021-12-07 | 西藏中金新联爆破工程有限公司 | Tunnel blasting vibration reduction device |
| CN216245901U (en) * | 2021-11-23 | 2022-04-08 | 谢昊 | Protective device for blasting construction vibration of underpass tunnel |
-
2022
- 2022-08-11 CN CN202210962436.3A patent/CN115143856B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050007487A (en) * | 2003-07-08 | 2005-01-19 | 한국전력공사 | Spring and damper type vibration isolation apparatus |
| EP2037206A2 (en) * | 2007-09-11 | 2009-03-18 | Scanfiber Composites A/S | A mat having flexible ballistic protection and shock damping |
| CN203964793U (en) * | 2014-07-23 | 2014-11-26 | 浙江省隧道工程公司 | Explosion shock dropping device with silencing function |
| RU2661632C1 (en) * | 2017-08-31 | 2018-07-17 | Олег Савельевич Кочетов | Spatial vibration isolator of frame type |
| CN108663109A (en) * | 2018-05-16 | 2018-10-16 | 中国建筑科学研究院有限公司 | Work protection device of blasting vibration sensor |
| CN210155343U (en) * | 2019-07-23 | 2020-03-17 | 河南理工大学 | Protection device of tunnel blasting near-zone vibration meter |
| CN210689416U (en) * | 2019-09-03 | 2020-06-05 | 中国人民解放军陆军工程大学 | Engineering protection net structure for blasting landmine |
| CN210652675U (en) * | 2019-11-04 | 2020-06-02 | 天津广卓盛泰汽车配件有限公司 | Automobile oil tank is with buffering shock pad |
| CN212643926U (en) * | 2020-06-30 | 2021-03-02 | 湖北科浩机械有限公司 | Vibration isolation mechanism for engine power pack |
| CN214308413U (en) * | 2020-10-20 | 2021-09-28 | 安徽理工大学 | A shock attenuation energy-absorbing protector for blasting experiment under water |
| CN214842823U (en) * | 2021-03-11 | 2021-11-23 | 中交一公局集团有限公司 | Collaborative device for intercepting blasting flyrock and slowing down vibration |
| CN215059126U (en) * | 2021-04-21 | 2021-12-07 | 西藏中金新联爆破工程有限公司 | Tunnel blasting vibration reduction device |
| CN216245901U (en) * | 2021-11-23 | 2022-04-08 | 谢昊 | Protective device for blasting construction vibration of underpass tunnel |
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| Publication number | Publication date |
|---|---|
| CN115143856A (en) | 2022-10-04 |
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