CN202689662U - Large-bending-moment communication pole tower for annular reinforced concrete structure - Google Patents
Large-bending-moment communication pole tower for annular reinforced concrete structure Download PDFInfo
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- CN202689662U CN202689662U CN 201220385774 CN201220385774U CN202689662U CN 202689662 U CN202689662 U CN 202689662U CN 201220385774 CN201220385774 CN 201220385774 CN 201220385774 U CN201220385774 U CN 201220385774U CN 202689662 U CN202689662 U CN 202689662U
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Abstract
The utility model discloses a technology scheme of a large-bending-moment communication pole tower for an annular reinforced concrete structure and the scheme comprises an annular concrete pipe string (6). The diameter of a lower end of the annular concrete pipe string (6) is greater than the diameter of a top of the annular concrete pipe string (6). Steel bars are mounted in the annular concrete pipe string (6) and consist of main bars (2) along a pipe string direction, spiral bars (4) spirally wrapping the main bars (2) and inner steel hoops (3) connected with the main bars. The large-bending-moment communication pole tower is characterized in that a bottom flange (1) and a middle flange (5) are disposed on two ends of the annular concrete pipe string (6). The main bars are divided into a prestress main bar and a non-prestress main bar. The beneficial effects of the utility model are that a connection manner of the large-bending-moment communication pole tower for the annular reinforced concrete structure is flange connection, positioning is accurate, intensity is high, the internal steel-bar amount is reasonable and the bending moment value is high. An external surface adopts an importation anti-corrosive paint to carry out spray coating and is as artistic as an external surface of a steel pipe tower and plays a protection effect on the concrete. By comparison, under the same condition of antenna high hanging, compare with the steel pipe tower and an angle-steel iron tower, both of the steel amount and price of the pole tower of the reinforced concrete structure can be reduced 40%-50%. The social resources are greatly saved and the price advantage is obvious.
Description
Technical field
The utility model belongs to power communication conveying equipment technical field, relates in particular to the large moment of flexure communication of a kind of steel hoop concrete structure shaft tower.
Background technology
Along with the development of modern communication technology, need to build a large amount of mobile communication base stations and meet the demands.Therefore the communication shaft tower of varying strength, different moment of flexure, different length uses extensively.Traditional mobile communication base station mode of building a station is: the communication shaft tower uses clean steel steel tube tower processed and angle steel tower, after the factory process moulding, the tower body anticorrosion process adopts galvanizing or hot spray painted zinc, carry out at the construction field (site) in advance concrete-agitating and water and smash the basis, treated natural curing 28 days, after concrete reaches 100% intensity, again steel tube tower or angle steel tower are transported to the job site and organize tower and install.
Prior art mainly adopts steel tube tower and angle steel tower to build the mobile communication base station, rolled steel dosage is large especially, the cost of building a station is very high, because being galvanizing or hot spray painted zinc technique to the anticorrosion employing of tower body, therefore environment has been produced pollution, the wet trade that a large amount of concrete-agitating in job site carries out has produced pollution to surrounding enviroment.
Summary of the invention
The purpose of this utility model is, overcomes the deficiencies in the prior art, and the large moment of flexure communication of a kind of steel hoop concrete structure shaft tower is provided.
Solve the large moment of flexure communication of reinforced concrete structure shaft tower intensity, amount of deflection, crack resistance and economize on resources, low-carbon environment-friendly, endurance issues.From reducing cost, low-carbon environment-friendly consideration, actively carry out " resource-conserving, environmentally friendly, industrialization " mobile communication base station building-up work comprehensively.Building " amphitypy one is changed " mobile communication base station, is 16 Sixth Plenary Session of the Party Central Committee spirit that we carry out party, fulfils corporate social responsibility, implements a scientific outlook on development, and builds the imbody of " resource-conserving, environmentally friendly " society; Being the development model of accelerating transformation company, vigorously implementing grouping of the world economy running, intensivization development, fine-grained management, Standardization Construction, is the effective way that improves mobile communication base station constructing benefits and efficient.
For solving the problems of the technologies described above, the technical solution of the utility model is: the large moment of flexure communication of steel hoop concrete structure shaft tower, include the diameter of annular concrete tubing string, described annular concrete tubing string low side greater than the diameter on top, in described annular concrete tubing string the inside reinforcing bar is set, described reinforcing bar is comprised of the interior stirrup of being connected spiral bar with spiral winding master muscle along the main muscle of tubing string direction and connect main muscle, also the two ends of described annular concrete tubing string flange in the bottom and spacer flanger be set, described main muscle is divided into prestressing force master muscle and non-prestressed main muscle.
Further improvement of the utility model has, the initiating terminal of prestressing force master muscle and the extension link of boards on the described flange in the bottom, and the initiating terminal of non-prestressed main muscle is connected with steel ring plate on the described flange.The purpose that separately connects is to be convenient to prestressed reinforcement of tensioning.
Further improvement of the utility model also has, and described prestressing force master muscle is connected with the extension gusset that is arranged on described annular concrete tubing string spacer flanger, steel ring plate with the end of described non-prestressed main muscle.Fixing purpose is to be convenient to prestressed reinforcement of tensioning.
Further improvement of the utility model also has, and described prestressing force master muscle is distributed in the described annular concrete pipe.Described non-prestressed main muscle is distributed in the described annular concrete tubing string.Uniform purpose makes shaft tower stressed evenly.
Further improvement of the utility model also has, and in described annular concrete tubing string bottom grounding nut is set.
Partially prestressed concrete structure shaft tower adopts centrifugal molding process; concrete is in the situation that the high speed centrifugation running; get rid of excessive moisture; concrete quality behind centrifugal forming is very closely knit; concrete strength is improved; the partially prestressed concrete structure can be postponed the appearance of concrete surface crack, thereby protects well reinforcing bar not to be subjected to extraneous the erosion, has greatly improved the durability of prestressed reinforced concrete construction shaft tower.Show that according to interrelated data the partially prestressed concrete structure under the normal design loading condition is used, can ensure the quality of products and use more than 50 years.In servicely be not used as any preservative treatment in the later stage, compare the anticorrosion expense that greatly reduces with steel tower.Because tower body is concrete structure, open-air operation is unmanned for destroying, and does not have the secondary maintenance expense.The Shape Coefficient of ring section partially prestressed concrete structural element is 0.7; the iron tower construction member Shape Coefficient is 1.3; in the situation that with blast with wind area; ring section partially prestressed concrete structure shaft tower greatly reduces the wind load that acts on shaft tower; the build that has is difficult for icing; the lightning protection that is provided with and ground connection are played good lightning protection effect.Steel tower must have the special messenger regularly to observe and safeguard, tower body is steel part, easily stolen, every through after strong wind or the icing weather, easily tower body is produced distortion or icing, need to check comprehensively, safeguard, and need regularly carry out preservative treatment, workload is larger, thereby running cost is increased greatly.
The large moment of flexure communication of reinforced concrete structure shaft tower adopts the partially prestressed concrete structure, and the height of shaft tower reaches 45m, mainly is to guarantee that the reinforced concrete structure tower body has enough intensity, the control crack width, and amount of deflection meets the demands.The large moment of flexure communication of this reinforced concrete structure shaft tower is largest domestic root footpath so far, and the cracking test moment of flexure reaches 1276kN.m, is the partially prestressed concrete structure of the highest cracking test moment of flexure in the whole nation.The fast-assembling basis that the reinforced concrete structure pole and tower foundation of 24m and following height adopts belongs to pre-manufactured product, batch production processing, and site operation is fast, can realize digging pit the same day, organized tower the same day, completion on the same day.Can greatly reduce the social work amount in the work progress, reduce the social work cost, can within short-term, finish the in batches installation task of concentrating.
The beneficial effect of this programme can be learnt according to the narration to such scheme, the large moment of flexure communication of steel hoop concrete structure shaft tower, include the diameter of annular concrete tubing string, described annular concrete tubing string low side greater than the diameter on top, in described annular concrete tubing string the inside reinforcing bar is set, described reinforcing bar is comprised of the interior stirrup of being connected spiral bar with spiral winding master muscle along the main muscle of tubing string direction and connect main muscle, also the two ends of described annular concrete tubing string flange in the bottom and spacer flanger be set, described main muscle is divided into prestressing force master muscle and non-prestressed main muscle.Need not Site Welding.The beneficial effects of the utility model are: the connected mode of the large moment of flexure of steel hoop concrete structure communication shaft tower is that flange connects, in place accurately, intensity is high.Climbing adopts the steel cat ladder to connect practical safety with the bar section with shroud ring.Inner quantity of reinforcement is reasonable, and moment is high.Appearance adopts the import anticorrosive paint to spray, and is equally attractive in appearance with steel tube tower, again concrete played a protective role.By comparing, same antenna is hung in the high situation, and the reinforced concrete structure shaft tower is compared with angle steel tower with steel tube tower, and rolled steel dosage and price can both reduce by 40-50%, have greatly saved social resources, and obvious price advantage is arranged.
Description of drawings
Fig. 1 is structural representation of the present utility model, and Fig. 2 is the A-A sectional view.
Among the figure: 1, flange, 2, main muscle, 3, interior stirrup, 4, spiral bar, 5, spacer flanger, 6, the annular concrete tubing string, 7, grounding nut.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
The specific embodiment
Can find out by accompanying drawing, the large moment of flexure communication of the steel hoop concrete structure of this programme shaft tower, include the diameter of annular concrete tubing string 6, annular concrete tubing string 6 low sides greater than the diameter on top, in annular concrete tubing string 6 the insides reinforcing bar is set, reinforcing bar is comprised of the interior stirrup 3 of being connected spiral bar 4 with spiral winding master muscle along the main muscle 2 of tubing string direction and connect main muscle, also at welding flange in the bottom 1 and the spacer flanger 5 at the two ends of annular concrete tubing string 6, main muscle is divided into prestressing force master muscle and non-prestressed main muscle.The initiating terminal of prestressing force master muscle and the welding of the extension gusset on the flange in the bottom 1, the steel ring plate welding on the initiating terminal of non-prestressed main muscle and the flange 1.The end of prestressing force master muscle and non-prestressed main muscle and the extension gusset that is arranged on annular concrete tubing string 6 spacer flangers 5, the welding of steel ring plate.Prestressing force master muscle is distributed in the annular concrete tubing string 6.Non-prestressed main muscle is distributed in the annular concrete tubing string 6.In annular concrete tubing string 6 bottoms grounding nut 7 is set.
Certainly; above-mentioned explanation is not limitation of the utility model; the utility model also is not limited only to above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement also belong to protection domain of the present utility model.
Claims (6)
1. the large moment of flexure of steel hoop concrete structure communication shaft tower, include annular concrete tubing string (6), the diameter of described annular concrete tubing string (6) low side is greater than the diameter on top, in described annular concrete tubing string (6) the inside reinforcing bar is set, described reinforcing bar is by along the main muscle (2) of tubing string direction and the spiral bar (4) of spiral winding master muscle, and the interior stirrup (3) that connects main muscle forms, it is characterized in that: also at the two ends of described annular concrete tubing string (6) flange in the bottom (1) is set, and spacer flanger (5), described main muscle is divided into prestressing force master muscle and non-prestressed main muscle.
2. the large moment of flexure of steel hoop concrete structure according to claim 1 communication shaft tower, it is characterized in that: the extension link of boards on the initiating terminal of prestressing force master muscle and the described flange in the bottom (1), the initiating terminal of non-prestressed main muscle is connected with steel ring plate on the described flange (1).
3. the large moment of flexure of steel hoop concrete structure according to claim 1 communication shaft tower, it is characterized in that: described prestressing force master muscle is connected with the extension gusset that is arranged on described annular concrete tubing string (6) spacer flanger (5), steel ring plate with the end of described non-prestressed main muscle.
4. the large moment of flexure of steel hoop concrete structure according to claim 1 communication shaft tower, it is characterized in that: described prestressing force master muscle is distributed in the described annular concrete tubing string (6).
5. the large moment of flexure of steel hoop concrete structure according to claim 1 communication shaft tower, it is characterized in that: described non-prestressed main muscle is distributed in the described annular concrete tubing string (6).
6. the large moment of flexure communication of steel hoop concrete structure according to claim 1 shaft tower is characterized in that: in described annular concrete tubing string (6) bottom grounding nut (7) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220385774 CN202689662U (en) | 2012-08-06 | 2012-08-06 | Large-bending-moment communication pole tower for annular reinforced concrete structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220385774 CN202689662U (en) | 2012-08-06 | 2012-08-06 | Large-bending-moment communication pole tower for annular reinforced concrete structure |
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| Publication Number | Publication Date |
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| CN202689662U true CN202689662U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220385774 Expired - Lifetime CN202689662U (en) | 2012-08-06 | 2012-08-06 | Large-bending-moment communication pole tower for annular reinforced concrete structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485573A (en) * | 2013-08-30 | 2014-01-01 | 国网河南省电力公司焦作供电公司 | Annular steel bar-sea sand concrete high-strength pole |
| CN103950100A (en) * | 2014-01-06 | 2014-07-30 | 国家电网公司 | Production technology of high-strength post-tensioned reinforced concrete electric pole and same |
| CN104005407A (en) * | 2014-06-10 | 2014-08-27 | 山东中能杆塔有限公司 | Partially prestressed concrete structure foundation pile |
| CN108879066A (en) * | 2018-07-11 | 2018-11-23 | 云南电网有限责任公司电力科学研究院 | A kind of electric power pylon quickly mounts the device of communication base station antenna |
| CN112049509A (en) * | 2020-04-28 | 2020-12-08 | 广东永基电力器材厂有限公司 | Concrete pole |
-
2012
- 2012-08-06 CN CN 201220385774 patent/CN202689662U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485573A (en) * | 2013-08-30 | 2014-01-01 | 国网河南省电力公司焦作供电公司 | Annular steel bar-sea sand concrete high-strength pole |
| CN103950100A (en) * | 2014-01-06 | 2014-07-30 | 国家电网公司 | Production technology of high-strength post-tensioned reinforced concrete electric pole and same |
| CN103950100B (en) * | 2014-01-06 | 2016-04-27 | 国家电网公司 | The production technology of high strength post tensioned steel concurrent and electric pole |
| CN104005407A (en) * | 2014-06-10 | 2014-08-27 | 山东中能杆塔有限公司 | Partially prestressed concrete structure foundation pile |
| CN108879066A (en) * | 2018-07-11 | 2018-11-23 | 云南电网有限责任公司电力科学研究院 | A kind of electric power pylon quickly mounts the device of communication base station antenna |
| CN112049509A (en) * | 2020-04-28 | 2020-12-08 | 广东永基电力器材厂有限公司 | Concrete pole |
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