CN112502465A - Practical reconstruction method for reinforcing and strengthening single-tube tower - Google Patents
Practical reconstruction method for reinforcing and strengthening single-tube tower Download PDFInfo
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- CN112502465A CN112502465A CN202011339099.XA CN202011339099A CN112502465A CN 112502465 A CN112502465 A CN 112502465A CN 202011339099 A CN202011339099 A CN 202011339099A CN 112502465 A CN112502465 A CN 112502465A
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- tower
- tube
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- compression
- tube tower
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G23/0225—Increasing or restoring the load-bearing capacity of building construction elements of circular building elements, e.g. by circular bracing
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
Abstract
The invention relates to the technical field of building construction, and discloses a practical modification method for reinforcing and strengthening a single-tube tower. The tower body strengthening and reforming mode of the single-tube tower comprises a lower anchoring plate, compression-resistant filling materials, a tensile steel cable, a sealing plate, a fastening device, an embedded wire pipe and the like. When the existing strength of the tower body of the single-tube tower is insufficient or the deflection of the top end caused by wind exceeds the normal applicable requirement, the reinforcing and modifying method of the invention fills compression-resistant filler in the tower body and configures a tensile steel cable to reinforce the tower column of the single-tube tower, thereby improving the bending strength, the tensile strength and the compression strength of the section of the tube; the tower-type structural characteristics are fully utilized, the external impression and the field of the single-tube tower are not influenced, the problem of excessive mounting of the infrastructure equipment of the modern urban tower is innovatively solved, and the method is an economical, practical and reliable new technical transformation method.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a practical modification method for reinforcing and strengthening a single-tube tower.
Background
The upgrading and upgrading of communication engineering technology are fast, and each generation needs to build an independent network coverage. The current 5G construction investment is larger, and the capital recovery period is long. Especially, when the coverage of the regional network is not completed, the construction period of the infrastructure is too long, and the equipment cannot be timely put into installation and operation to generate benefits. If the existing iron tower infrastructure can be fully utilized, the engineering construction period is greatly shortened, and the aim of increasing the cost can be fulfilled. However, most of tower facilities are evaluated in economic benefit during design, and the structure does not have enough reliability and new and additional equipment load; or the tower body structure of the existing tower reaches the upper mounting limit in multiple equipment expansion in the middle period. Therefore, strengthening and reinforcing the existing tower structure and improving the hanging capacity of the iron tower are the key points of attention in the communication construction engineering industry at present. The single-tube tower (such as a landscape tower, a lamp tower, a beautification tree tower and the like) has small occupied area, attractive appearance and strong concealment, is a main infrastructure tower type in urban areas of modern cities, and is difficult to be improved and utilized due to the advantages.
Under the construction background of the communication engineering, the invention gives full play to the structural form of the single-tube tower through comprehensive analysis, completely avoids the influence on the material, the appearance and the scene of the original tower body of the iron tower, develops and utilizes a practical reinforcing and strengthening method for the internal space of the tower body, has no change in the appearance of the original tower, does not occupy a new field, has high construction speed, is suitable for urban scene engineering, and provides an economic, practical and reliable new technical transformation method for the communication single-tube tower.
Disclosure of Invention
The invention aims to provide a novel practical reinforcing and strengthening transformation method for a single-tube tower, which is used for supporting the construction of communication infrastructure in the background technology and achieving the purposes of cost reduction and efficiency improvement.
In order to realize the purpose, the invention provides the following reinforcement and reinforcement reconstruction method for the old single-tube tower: a strengthening method for single-tube tower is composed of lower anchor plate, compression-resistant filler, tension-resistant steel cable,
The sealing plate, the fastening device, the embedded line pipe and the like are constructed and operated in sequence. When the existing strength of the tower body of the single-tube tower is insufficient or the deflection of the top end caused by wind deformation exceeds the normal applicable requirement, the compressive filler is filled in the tower body and the tensile steel cable is configured to reinforce the cross section of the tower column of the single-tube tower by the reinforcing and reforming method, and the lower anchoring plate, the sealing plate, the fastening device and the original tower body pipe wall form an integral structure, so that the bending strength, the tensile strength and the compressive strength of the cross section of the tower body pipe are improved, and the purposes of reinforcing the original single-tube tower and increasing the carrying capacity of installation equipment are achieved.
As a further scheme of the invention: when the original tower section needing to be reinforced of the single-tube tower is shorter, the single-tube tower can be molded in one-step operation; the bottom installation in original single-tube tower pipe shaft lower anchor plate, anchor on the anchor plate down the one end of tensile cable wire, set up in single-tube tower pipe shaft center and be good at the tower section of wanting to be strengthened pre-buried spool supply equipment to walk the line, the layering is filled resistance to compression stopping and is tamped until reaching tower section design and consolidate the height, install the closing plate at the top surface of the resistance to compression stopping that tamps closely, with the bottom already anchored in anchor plate down tensile cable wire top passes upper seal plate preformed hole, utilize at last fastener tensioning, anchor and exert the pretension and accomplish the reinforcement of single-tube tower section cross-section.
As a further scheme of the invention: when the original single-tube tower needs to be reinforced, the tower section can be reinforced in a sectional mode, and a plurality of middle-layer sealing plates are arranged in the section; aiming at the tower section with insufficient strength or large deformation deflection, the lower anchoring plate is arranged at the bottom in the pipe body, one end of the tensile steel cable is anchored on the lower anchoring plate, the bottom wire pipe is arranged at the center of the pipe body of the single-pipe tower, the bottom compression-resistant filler is filled in the tower section at the bottom in a layered mode and tamped, the middle-layer sealing plate is arranged on the top surface of the tamped compression-resistant filler, and the tensile steel cable penetrates through a preformed hole of the middle-layer sealing plate and is fastened by the middle-layer fastening device; continuously filling each layer of the upper compression-resistant filler in a layering manner by adopting a connecting sleeve to lengthen a central line pipe of a pipe body and tamping, mounting the middle-layer sealing plate on the top surface of each layer of the upper compression-resistant filler which is compacted, and penetrating the tensile steel cable through a preformed hole of the middle-layer sealing plate and fastening by using a middle-layer fastening device; and repeating the middle section reinforcing and strengthening process until the designed reinforcing height of the tower section is reached, and finally adopting the top layer sealing plate to seal the top layer filler and adopting the top layer fastening device to fasten the top end of the tensile steel cable to finish the sectional reinforcement of the tower section of the monotube tower.
As a further scheme of the invention: the lower anchoring plate is not limited to the type of materials and construction process, and the lower anchoring plate can meet the use strength and reliably anchor the tensile steel cable after being designed; similar alternatives such as galvanized steel sheets, cast-in-place reinforced concrete panels or prefabricated reinforced concrete panels, etc.
As a further scheme of the invention: the sealing plate is not limited by the type of materials and construction process, and the sealing plate can meet the requirements of use strength and reliable anchoring of the tensile steel cable through design; similar alternatives such as galvanized steel sheets, cast-in-place reinforced concrete panels or prefabricated reinforced concrete panels, etc.
As a further scheme of the invention: the compression-resistant filler is not limited by the types of materials and construction processes, and can meet the compression strength through design and facilitate construction, filling and tamping; similar optional forms such as pseudo-ginseng grey soil, crushed stone concrete, grouting graded crushed stone and the like.
Compared with the prior art for reinforcing the single-tube tower, the method has the beneficial effects that: the structural characteristics of the original single-tube tower body sealing thin-wall circular tube are fully utilized, the inner space is innovatively adopted to reinforce the cross section of the tower body, the appearance of the tower is not required to be changed, the original scene is not influenced, an additional field is not added, the original component is not processed, welded or cut, and the construction operation is standard and rapid; according to the transformation scheme, only the dead weight load of a small amount of materials is increased, other extra horizontal wind loads are not increased, the vertical bearing capacity of the design of the foundation for the single-tube tower mainly based on the pile foundation and controlled by the horizontal bearing capacity and the horizontal displacement is far beyond the actual value, the tower foundation can be not required to be reinforced, and the construction cost of the transformation project is greatly reduced. The invention has great popularization and use values in the communication construction from the aspects of reliability, economy and practicality.
Drawings
Fig. 1 is a general elevation view of an original single-tube tower after reinforcement and reinforcement are completed.
FIG. 2 is a schematic diagram of reinforcing, strengthening and reforming construction of a tower section at the bottom of an original single-tube tower.
FIG. 3 is a schematic diagram of reinforcing, strengthening and reforming construction of each tower section on the upper part of the original single-tube tower.
In the figure: 1. a lower anchoring plate; 2. a tensile steel cord; 3. embedding a line pipe; 301. embedding a line pipe at the bottom; 302. a conduit connecting sleeve; 303. embedding wire pipes in each layer of the upper part; 4. compression-resistant filling materials; 401. bottom layer compression-resistant filling material; 402. each layer of the upper compression-resistant filling material; 5. a sealing plate; 501. a middle sealing plate; 502. a top layer sealing plate; 6. a fastening device; 601. a middle layer fastening device; 602. a top layer fastening means; 7. the original single-tube tower to be reinforced; 701. a tower section at the bottom of the single-pipe tower; 702. the upper tower section of the single-pipe tower.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example one
Referring to fig. 1-2, a single-tube tower one-time reinforcing and strengthening transformation method includes the steps of sequentially constructing a lower anchoring plate 1, a tensile steel cable 2, an embedded wire tube 3, a compression-resistant filling material 4, a sealing plate 5, a fastening device 6, an original single-tube tower 7 to be reinforced and the like, and completing one-time operation. The bottom installation in original 7 pipe shafts of single-tube tower 7 of treating to consolidate anchor plate 1 down, anchor on anchor plate 1 down the one end of tensile cable 2, set up at 7 pipe shafts of single-tube tower center and be longer than the tower section of wanting to be consolidated pre-buried spool 3 supply equipment to walk the line, the layering is filled resistance to compression stopping 4 and is tamped until reaching tower section design and consolidate the height, the top surface installation of resistance to compression stopping 4 at the compaction closing plate 5, with the bottom already anchored in anchor plate 1 down tensile cable 2 top pass upper seal plate 5 preformed hole, utilize at last fastener 6 is taut, the anchor and exert pretension to accomplish the reinforcement of 7 tower section of single-tube tower.
When the strength of the original to-be-reinforced single-tube tower 7 is insufficient or the top end is excessively deformed, the height range of the reinforced tower section is determined through design, and the safe use requirement of new equipment can be met after the reinforcement and reinforcement transformation is completed.
Example two
Referring to fig. 1-3, a method for reinforcing and transforming a single-tube tower in sections includes sequentially constructing a lower anchoring plate 1, a tensile steel cable 2, a bottom embedded conduit 301, a connecting sleeve 302, each layer of upper embedded conduit 303, a bottom layer compression-resistant filler 401, each layer of upper compression-resistant filler 402, a middle sealing plate 501, a top sealing plate 502, a middle fastening device 601, a top fastening device 602, a bottom tower section 701 and an upper tower section 702 of the original single-tube tower to be reinforced, and completing the section operation.
The original single-tube tower 7 to be reinforced can be divided into a bottom tower section 701 and an upper tower section 702 when the tower section to be reinforced is longer, the bottom tower section 701 is internally provided with a pipe body, the lower anchoring plate 1 is anchored on the lower anchoring plate 1, one end of the tensile steel cable 2 is anchored on the lower anchoring plate 1, the bottom pipe 301 is arranged at the center of the bottom tower section 701 pipe body of the single-tube tower, the tensile steel cable 2 in the length range of the bottom tower section 701 is straightened and positioned, the bottom compressive filler 401 is filled in layers and tamped in the bottom tower section 701, the middle sealing plate 501 is arranged on the top surface of the bottom compressive filler 401, the tensile steel cable 2 penetrates through a preformed hole of the middle sealing plate 501 and is fastened by the middle fastening device 601, and the reinforcement and the transformation of the bottom tower section 701 are completed.
Installing upper portion tower section 702 on single-pipe tower bottom tower section 701, the installation adopts connecting sleeve 302 extension shaft body center spool butt joint upper portion pre-buried spool 303, straightens, fixes a position in upper portion tower section 702 length range tensile cable wire 2 fills in upper portion tower section 702 layering upper portion resistance to compression filler 402 and tamp until upper portion tower section 702 designs the reinforcement height, adopts top layer closing plate 502 seals upper portion resistance to compression filler 402, will tensile cable wire 2 passes top layer closing plate 502 preformed hole and utilizes top layer fastener 602 fastens, accomplishes the reinforcement of upper portion tower section 702 and reforms transform.
The method for reinforcing, strengthening and transforming the single-tube tower in sections determines the reinforcing height and the number of sections by analyzing the tower reinforcing design, and repeats the reinforcing and transforming process of the upper tower section 702 when the section operation exceeds two sections until the designed reinforcing height is completed. After the segmented reinforcing and strengthening transformation is completed, the safe use requirement of new equipment can be met.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "fastened" are to be interpreted broadly, for example, as being either fixedly fastened, detachably fastened, or integrally fastened; the fastening can be realized by a fastener or welding; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (3)
1. A practical reconstruction method for reinforcing and strengthening a single-tube tower comprises a lower anchoring plate (1), a tensile steel cable (2), an embedded wire tube (3), a compression-resistant filling material (4), a sealing plate (5), a fastening device (6) and a single-tube tower (7) to be reinforced and reconstructed, and is characterized in that for the single-tube tower (7) with equipment hanging capacity exceeding the original design installation load, the lower anchoring plate (1) is installed at the bottom in the pipe body of the single-tube tower (7) aiming at the tower section with insufficient tower body strength or large deformation deflection, one end of the tensile steel cable (2) is anchored on the lower anchoring plate (1), the embedded wire tube (3) which is longer than the section to be reinforced is arranged at the center of the pipe body of the single-tube tower (7) for equipment wiring, the compression-resistant filling material (4) is filled in layers and tamped until the design calculation of the reinforcing height is reached, and (3) installing a sealing plate (5) on the top surface of the compacted compression-resistant filling material (4), enabling the other end of the tensile steel cable (2) with the bottom end anchored on the lower anchoring plate (1) to penetrate through a preformed hole of the upper sealing plate (5), and finally tensioning and anchoring by using the fastening device (6) and applying pretension to complete the reinforcement and transformation of the tower section of the single-tube tower (7).
2. The practical reconstruction method for reinforcing and strengthening the single-tube tower as claimed in claim 1, wherein for the reinforcement and reconstruction of the multi-section connected tube, the construction operation flow is preferably performed in sections, the sealing plate (5) is arranged after each section of the compression-resistant filling material (4) is completed, the fastening device (6) is used for tensioning and anchoring, and other sections are sequentially installed and constructed.
3. The practical reinforcing and reinforcing reconstruction method for the monotube tower as claimed in claim 1, wherein the reinforcing and reinforcing reconstruction method for the thin-walled tubular members of the existing structure is not limited to the differences of the sectional shapes of the thin-walled tubular members and the selection of materials such as compression-resistant fillers, tensile steel cables, anchoring plates, sealing plates and fastening devices.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011339099.XA CN112502465A (en) | 2020-11-25 | 2020-11-25 | Practical reconstruction method for reinforcing and strengthening single-tube tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011339099.XA CN112502465A (en) | 2020-11-25 | 2020-11-25 | Practical reconstruction method for reinforcing and strengthening single-tube tower |
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| CN112502465A true CN112502465A (en) | 2021-03-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233085A (en) * | 2021-12-17 | 2022-03-25 | 迁安汇科复合材料有限公司 | Integral type shaft tower |
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| CN111779347A (en) * | 2020-06-22 | 2020-10-16 | 国网江苏省电力有限公司南京供电分公司 | Door-shaped guyed tower leg reinforcing device and reinforcing method |
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2020
- 2020-11-25 CN CN202011339099.XA patent/CN112502465A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201391093Y (en) * | 2009-04-14 | 2010-01-27 | 福州大学 | Reinforcing device used for brick and concrete-structured prestressing seismic resistant system with constructional column and ring beam |
| US20160145882A1 (en) * | 2009-11-13 | 2016-05-26 | Mohammad Reza Ehsani | Reinforcement and repair of structural columns |
| CN102900259A (en) * | 2012-09-19 | 2013-01-30 | 国网电力科学研究院武汉南瑞有限责任公司 | Combined rod completing device of composite material tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114233085A (en) * | 2021-12-17 | 2022-03-25 | 迁安汇科复合材料有限公司 | Integral type shaft tower |
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Application publication date: 20210316 |