CN103835510A - Method for removing concrete blocking in corrugated pipe - Google Patents
Method for removing concrete blocking in corrugated pipe Download PDFInfo
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- CN103835510A CN103835510A CN201410084607.2A CN201410084607A CN103835510A CN 103835510 A CN103835510 A CN 103835510A CN 201410084607 A CN201410084607 A CN 201410084607A CN 103835510 A CN103835510 A CN 103835510A
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- vibrating head
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Abstract
The invention relates to a method for removing concrete blocking in a corrugated pipe and applicable to post-tensioning prestress construction. A vibrating device mainly comprises a vibrating bar, a steel end structure, a connection structure and a power device (motor). The vibrating bar serves as the main vibrating component with enough rigidity and strength. A vibrating function of an inserted vibrating device is mainly utilized, and the vibrating bar is inserted into the corrugated pipe to vibrate and smash the concrete. A beam and the corrugated pipe at a blocked position need not to be dug. The method is simple to operate, wide in application range and convenient to construct.
Description
Technical field
The present invention relates to a kind of removal and be blocked in concrete method in bellows, be applicable in Post-tension Prestress Construction.
Background technology
In beam body construction process, because bellows is fixed in beam body prior to concreting, be so just easy to cause in concreting process, concrete is poured in bellows by mistake, cause the obstruction of bellows; In addition, in beam body construction process, local bellows has joint, and this situation also easily causes the clogging of concrete in bellows.And the generation that bellows stops up, for insertion and the grouting procedure of follow-up steel bundle have caused difficulty.
At present, because cast-in-place concrete construction technology need to improve, except bellows stops up the method conventionally adopting be: from the side of beam body, directly chisel concrete and the bellows of blocking position, remove the concrete stopping up.This conventional method not only can be destroyed the overall stability of girder construction, and constructing operation inconvenience, and operating cost is high.In general, be not optimum solution.
Summary of the invention
The object of the invention be to provide a kind of with low cost, simple to operate, widely applicable, solve the method that in bellows, local concrete stops up take the internal vibration device improved as infrastructure device.Utilize the present invention, can make up well original shortcoming and defect except the local obstruction method of bellows, make beam body construction convenient, economical.The present invention can provide a kind of new theory for Post-tension Prestress Construction, on the overall performance basis of not destroying casting beams body, only concrete being inserted to formula vibrator rationally improves and designs, make it have higher strength and stiffness, can remove the concrete being blocked in bellows.
A kind of removal is blocked in concrete method in bellows, it is characterized in that: the plug-in type concrete vibrating device of employing, and this device involving vibrations rod, syndeton and power set, the end of vibrating head is a steel work; The center line of end steel work of vibrating head and the dead in line of vibrating head;
Stop up after generation, vibrating head is stretched in bellows, arrive the position that concrete stops up; Open power supply, by producing vibration wave in vibrating head, drive the vibration of end steel member, the end steel work of vibrating head is inserted and the broken concrete being blocked in bellows that shakes.
Further, syndeton is made up of helical spring and rubber sleeve, and helical spring one end is connected with power set, and the other end is fixedly connected with vibrating head, and rubber sleeve is enclosed in helical spring outside.
Further, the end steel work length of vibrating head is controlled at 10cm between 20cm.
Further, the steel structure member of vibrating head end is steel-tooth shape.
Further, the steel structure member of vibrating head end is drill-shape.
Further, the steel work of vibrating head end is steel disc shape, and the hole slot connecting before and after having in steel disc structure.
Technical scheme of the present invention is: a kind of concrete method in bellows that is blocked in of removing.It is characterized in that: comprise the plug-in type concrete vibrating device after improvement.Immersible concrete vibrator is mainly used in tamped concrete after poured in place concrete, is the common tool of job site, easy to operate.And the chief component of plug-in type concrete vibrating device after improvement comprises 1-vibrating head, 2-syndeton, 3-power set (motor).1-vibrating head is main vibration component, and the end of 1-vibrating head is a steel work, and its concrete shape can, according to the actual material specific design having in scene, be convenient to execute-in-place.3-power set (motor) are connected with extraneous power supply, power are provided to whole device.2-syndeton is no longer traditional flexible pipe form, and its outside is surrounded by helical spring and rubber, has certain pliability and extensibility, can reach the blocking position in bellows.
The operating principle of described method is as follows:
Conventional poker vibrator is rationally improved and designed, make the steel structure member of 1-vibrating head and its end be welded as entirety, steel work has enough Rigidity and strengths; The end steel work of 1-vibrating head is inserted in bellows, and because 2-syndeton has enough length, this inserts in bellows 1-vibrating head, and can reach the position that obstruction occurs in bellows; Be connected with extraneous power supply by 3-power set (motor), power be provided to whole device; 1-vibrating head is contacted and shake the broken concrete being blocked in bellows.The method is not destroyed under beam body overall performance in assurance, has effectively removed the concrete being blocked in bellows.
Beneficial effect
Good effect of the present invention is: study a kind of method that is blocked in bellows inner concrete take plug-in type concrete vibrating device as basic removal.The common tool of job site due to what utilize, and simple to operate, the on-the-spot personnel of vibrating can complete, and can be construction and save production cost, convenient and swift.The method is guaranteeing, under beam body overall performance, effectively to have removed the concrete stopping up.
Accompanying drawing explanation
Fig. 1 is the structural representation of beam body under normal condition; The location diagram of bellows and required vibrator when Fig. 2 is duty of the present invention; Fig. 3 is the device schematic diagram of the specific embodiment 1; Fig. 4 is the device schematic diagram of the specific embodiment 2; Fig. 5 is the device schematic diagram of the specific embodiment 3;
Wherein: a-beam body; B-stretching end ground tackle; C-bellows; The concrete block that d-prestressed cable, e-stop up; 1-vibrating head; 2-syndeton; 3-power set (motor); 1-1 steel-tooth structure; 1-2-gear structure; 1-3 steel disc structure.
The specific embodiment
Be described in further detail below in conjunction with embodiment and accompanying drawing, but not as limitation of the invention.
The specific embodiment 1:
As shown in Figure 3, chief component comprises 1-vibrating head, 2-syndeton, 3-power set (motor) to the concrete device for carrying out said of this method.The end of 1-vibrating head is a steel-tooth structure, has enough Rigidity and strengths, the dead in line of the center line of end steel work and 1-vibrating head, and length is controlled at 10cm between 20cm.In 1-vibrating head, produce vibration wave, drive the vibration of end steel member.2-syndeton is made up of helical spring and rubber sleeve, and helical spring one end is connected with generator, and the other end is fixedly connected with vibration wave generator, and rubber sleeve is enclosed in helical spring outside; More than the length of 2-syndeton can reach 12m.3-power set (motor) are connected with extraneous power supply, power are provided to whole device.
As shown in Figure 1, under normal condition, in work progress, first fix bellows, then pour into the concrete in beam body, make concrete spread all over the surrounding of bellows, both are bonded as one; Then in bellows, insert cable wire, and by its stretch-draw anchor; In the most backward bellows, grouting, makes bellows and cable wire be bonded as entirety.This whole set of construction technology has realized the monolithic stability of beam body.
As shown in Figure 2, due to the misoperation in concreting process or when leaky in the joint of bellows and bellows, in bellows, easily there is local concrete clogging, the insertion work of follow-up prestressed cable cannot be carried out, the 1-vibrating head of plug-in type concrete vibrating device is as shown in Figure 3 inserted from one end of bellows, because 2-syndeton has enough length, this inserts in bellows the end steel-tooth structure of 1-vibrating head, and can reach the position that obstruction occurs in bellows, be connected with extraneous power supply by 3-power set (motor), power is provided to whole device, the end steel-tooth structure of 1-vibrating head is contacted and the concrete of the broken obstruction of shaking.The method is guaranteeing, under beam body overall performance, effectively to have removed the concrete stopping up.
The specific embodiment 2:
The end steel work of what present embodiment was different from the specific embodiment 1 is 1-vibrating head in tamping equipment is drill-shape.Other compositions and connected mode and concrete implementation method are identical with embodiment 1.
The specific embodiment 3:
The end steel work of what the present embodiment was different from the specific embodiment 1 is 1-vibrating head in tamping equipment is steel disc shape, and the hole slot connecting before and after having in steel disc structure, thereby alleviated deadweight, other compositions and connected mode and concrete implementation method are identical with embodiment 1.
The above; it is only preferred embodiment of the present invention; not the present invention is done to any pro forma restriction; any technical solution of the present invention content that do not depart from; according to technical spirit of the present invention; done within the spirit and principles in the present invention any modification, equivalent variations and modification, all should be considered as the present invention program's technology category, all should be included in protection scope of the present invention.
Claims (6)
1. removal is blocked in a concrete method in bellows, it is characterized in that: the plug-in type concrete vibrating device of employing, and this device involving vibrations rod, syndeton and power set, the end of vibrating head is a steel work; The center line of end steel work of vibrating head and the dead in line of vibrating head;
Stop up after generation, vibrating head is stretched in bellows, arrive the position that concrete stops up; Open power supply, by producing vibration wave in vibrating head, drive the vibration of end steel member, the end steel work of vibrating head is inserted and the broken concrete being blocked in bellows that shakes.
2. method according to claim 1, is characterized in that: syndeton is made up of helical spring and rubber sleeve, helical spring one end is connected with power set, and the other end is fixedly connected with vibrating head, and rubber sleeve is enclosed in helical spring outside.
3. method according to claim 1, is characterized in that: the end steel work length of vibrating head is controlled at 10cm between 20cm.
4. method according to claim 1, is characterized in that: the steel structure member of vibrating head end is steel-tooth shape.
5. method according to claim 1, is characterized in that: the steel structure member of vibrating head end is drill-shape.
6. method according to claim 1, is characterized in that: the steel work of vibrating head end is steel disc shape, and the hole slot connecting before and after having in steel disc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410084607.2A CN103835510B (en) | 2014-03-10 | 2014-03-10 | A kind of removal is blocked in concrete method in bellows |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410084607.2A CN103835510B (en) | 2014-03-10 | 2014-03-10 | A kind of removal is blocked in concrete method in bellows |
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| CN103835510A true CN103835510A (en) | 2014-06-04 |
| CN103835510B CN103835510B (en) | 2016-03-02 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179354A (en) * | 2014-08-29 | 2014-12-03 | 上海建工七建集团有限公司 | Prestress corrugated pipe dredger and using method thereof |
| CN104499424A (en) * | 2014-12-23 | 2015-04-08 | 中冶交通工程技术有限公司 | Device for removing concrete from corrugated pipe and application method thereof |
| CN109647803A (en) * | 2018-11-28 | 2019-04-19 | 四川鸿舰重型机械制造有限责任公司 | Inner walls of deep holes residue remover |
| CN112207091A (en) * | 2020-09-22 | 2021-01-12 | 中铁十一局集团第二工程有限公司 | Method for cleaning horn mouth of anchor backing plate |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179354A (en) * | 2014-08-29 | 2014-12-03 | 上海建工七建集团有限公司 | Prestress corrugated pipe dredger and using method thereof |
| CN104499424A (en) * | 2014-12-23 | 2015-04-08 | 中冶交通工程技术有限公司 | Device for removing concrete from corrugated pipe and application method thereof |
| CN109647803A (en) * | 2018-11-28 | 2019-04-19 | 四川鸿舰重型机械制造有限责任公司 | Inner walls of deep holes residue remover |
| CN112207091A (en) * | 2020-09-22 | 2021-01-12 | 中铁十一局集团第二工程有限公司 | Method for cleaning horn mouth of anchor backing plate |
| CN112207091B (en) * | 2020-09-22 | 2022-02-11 | 中铁十一局集团第二工程有限公司 | Method for cleaning horn mouth of anchor backing plate |
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| CN103835510B (en) | 2016-03-02 |
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