CN214743743U - Supporting structure suitable for small-sized pipeline overhead crossing erection mode - Google Patents
Supporting structure suitable for small-sized pipeline overhead crossing erection mode Download PDFInfo
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- CN214743743U CN214743743U CN202022936196.9U CN202022936196U CN214743743U CN 214743743 U CN214743743 U CN 214743743U CN 202022936196 U CN202022936196 U CN 202022936196U CN 214743743 U CN214743743 U CN 214743743U
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Abstract
The utility model relates to the technical field of pipeline engineering, in particular to a supporting structure suitable for a small-sized pipeline overhead crossing erection mode, which comprises concrete anchor piers respectively built at two sides of a planned crossing river channel (valley), a run-through prestressed anchor cable is installed by taking the two anchor piers as fixed ends, after the run-through prestressed anchor cable is tensioned, the small-sized pipeline to be erected in the overhead crossing erection mode is installed next to the run-through prestressed anchor cable, and the small-sized pipeline to be erected in the overhead crossing erection mode and the run-through prestressed anchor cable are fixed by a pipe hoop; the utility model discloses in, through the concrete anchor mound that sets up, to wearing prestressed anchorage cable, steel casing pipe, ferrule, anchor backing plate and prestressed anchorage pole or prestressed anchorage cable, can better performance to the supporting role of pipeline in the built on stilts strideing across of small-size pipeline erects the engineering, avoided adopting to build bridge, installation truss etc. and stride across the traditional technology of erectting, can effectively solve the built on stilts supporting problem who stridees across and erect of small-size pipeline, this bearing structure construction is simple, the cost is lower simultaneously.
Description
Technical Field
The utility model relates to a pipeline engineering technical field specifically is a bearing structure suitable for built on stilts strideing across mode of erection of small-size pipeline.
Background
In China, various production and living pipelines are limited by landforms in the process of erecting, and the pipelines often need to be erected in an overhead crossing mode in a river channel, a valley and the like. In real life, the overhead crossing erection of the pipeline is often carried out in a mode of adopting a truss or building a small bridge and the like. For small pipelines (generally, pipelines with the pipe diameter less than 500 mm), if the small pipelines are spanned and erected by adopting a truss or a bridge building method, the problems of high manufacturing cost, high construction difficulty and the like can be faced, and therefore, a supporting structure suitable for the small pipeline overhead spanning and erecting method is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bearing structure suitable for built on stilts strideing across mode of erection of small-size pipeline to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a bearing structure suitable for built on stilts strideing across erection mode of small-size pipeline which characterized in that: the structure comprises concrete anchor piers built on two banks of a quasi-crossing river channel (valley), oppositely-penetrating prestressed anchor cables are installed by taking the two anchor piers as fixed ends, small pipelines erected in a quasi-crossing mode are installed next to the oppositely-penetrating prestressed anchor cables after the oppositely-penetrating prestressed anchor cables are tensioned, and the small pipelines erected in a quasi-crossing mode and the oppositely-penetrating prestressed anchor cables are fixed through pipe hoops.
Preferably, 2 concrete anchor piers are constructed in an upper stage and a lower stage by taking an installation plane of the opposite pre-stressed anchor cable as a reference; the lower part of the concrete anchor pier is a first stage, and the first stage is finished by pouring before the opposite prestressed anchor cable is installed; the upper part of the concrete anchor pier is in the second stage, and the second stage is to be poured after the opposite-penetrating prestressed anchor cable is installed in place.
Preferably, the opposite prestressed anchor cable is processed firstly and then integrally hoisted to the anchor pier to be in place, and grouting construction in a steel sleeve in the opposite prestressed anchor cable needs to be carried out after the opposite prestressed anchor cable is installed.
Preferably, the pipe diameter of the small pipeline erected in a simulated aerial spanning mode is preferably smaller than 500mm, and the specific pipe diameter is determined by calculating the weight of the small pipeline erected in the simulated aerial spanning mode and the prestress tonnage selected for penetrating the prestress anchor cable; specifically, the tonnage of the opposite-penetrating prestressed anchor cable and the number of required steel strands are selected according to the pipe diameter and the weight of the small-sized pipeline to be erected in an overhead crossing manner.
Preferably, the distance between the small pipeline erected in a simulated aerial spanning mode and the pipe hoop fixed between the oppositely-penetrated prestressed anchor cables is selected according to actual needs, the pipe hoop is made of steel or alloy materials, and the anchor backing plate is made of steel.
Preferably, the foundation of the concrete anchor pier needs to be solid; in addition, in order to ensure the safety and stability of the concrete anchor pier in the operation period, the concrete anchor pier and the mountain can be reliably connected through the prestressed anchor rods or the prestressed anchor cables to form integral stress.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the supporting function of the small-sized pipeline can be well exerted in the overhead crossing erection engineering, and the traditional process of crossing erection by building a bridge, installing a truss and the like is avoided.
2. The supporting structure can effectively solve the supporting problem of overhead spanning and erection of the small-sized pipeline.
3. The supporting structure is simple in construction and low in manufacturing cost.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a cross-sectional view taken along line a-a of fig. 1 in accordance with the present invention;
fig. 3 is a cross-sectional view of the prestressed anchor cable structure of the present invention.
In the figure: 1-erecting a small pipeline in a crossing mode, 2-oppositely penetrating prestressed anchor cables, 3-pipe hoops, 4-anchor backing plates, 5-concrete anchor piers, 6-steel sleeves, 7-steel stranded wires, 8-slurry inlet pipes, 9-slurry outlet pipes and exhaust pipes, 10-anchor cable isolation frames, 11-cement slurry, 12-prestressed anchor rods or prestressed anchor cables.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
the utility model provides a bearing structure suitable for small-size pipeline stridees across mode of erection on stilts, includes the concrete anchor mound 5 of each building in the riverway (valley) both sides of intending to stride across, uses two anchor mounds 5 as the stiff end installation to wear prestressed anchorage cable 2, after 2 stretch-draw of to wearing prestressed anchorage cable are accomplished, closely neighbor to wear prestressed anchorage cable 2 installation to simulate the small-size pipeline 1 that stridees across the erection on stilts, adopts ferrule 3 fixed between the small-size pipeline 1 that the planned aerial stridees across erects and the prestressed anchorage cable 2 to wear.
2 concrete anchor piers 5 are constructed in an upper stage and a lower stage by taking an installation plane of the opposite pre-stressed anchor cable 2 as a reference; the lower part of the concrete anchor pier 5 is a first stage, and the first stage is finished by pouring before the opposite prestressed anchor cable 2 is installed; the upper part of a concrete anchor pier 5 is in a second stage, the second stage is to be cast after the opposite prestressed anchor cable 2 is installed in place, the opposite prestressed anchor cable 2 is processed and then integrally hoisted to the anchor pier 5 in place, grouting construction in a steel sleeve 6 in the opposite prestressed anchor cable 2 needs to be carried out after the opposite prestressed anchor cable 2 is installed, the pipe diameter of a small pipeline 1 to be erected in an overhead crossing mode is smaller than 500mm, and the specific pipe diameter needs to be determined by calculating the weight of the small pipeline 1 to be erected in the overhead crossing mode and the prestress tonnage selected by the opposite prestressed anchor cable 2; specifically, the tonnage of the opposite-penetrating prestressed anchor cable 2 and the number of the required steel strands 7 are selected according to the pipe diameter and the weight of the small pipeline 1 erected in a quasi-aerial spanning manner, the distance between the pipe hoops 3 fixed between the small pipeline 1 erected in a quasi-aerial spanning manner and the opposite-penetrating prestressed anchor cable 2 is selected according to actual needs, the pipe hoops 3 are made of steel or alloy materials, the anchor backing plate 4 is made of steel, and the foundation of the concrete anchor pier 5 needs to be solid; in addition, in order to ensure the safety and stability of the concrete anchor pier 5 in the operation period, the concrete anchor pier 5 and the mountain can be reliably connected by adopting the prestressed anchor rods or the prestressed anchor cables 12 to form integral stress.
The working process is as follows: as shown in fig. 1, 2 and 3, the support structure for erecting a pipeline in an overhead manner across a river (valley) in this embodiment is installed on the river (valley) to be spanned, and specifically includes the following: firstly, 1 concrete anchor pier 5 is respectively built on two banks of a river channel (valley) to be spanned, the anchor piers 5 are poured in two stages, and in one stage, the concrete pouring construction of the lower part (the part below an installation plane of a penetrating prestressed anchor cable 2) is firstly carried out; after the opposite-penetrating prestressed anchor cable 2 is installed in place, secondary concrete pouring construction is carried out on the upper part of the anchor pier 5 (the part above the installation plane of the opposite-penetrating prestressed anchor cable 2); the foundation of the anchor pier 5 needs to be solid, according to the actual situation on site, the reliable connection can be formed by adding a prestressed anchor rod or a prestressed anchor cable 12 on the anchor pier 5 and a mountain, after the concrete pouring of the lower part of the anchor pier 5 (the part below the installation plane of the opposite-penetrating prestressed anchor cable 2) is finished and the design strength is reached, the opposite-penetrating prestressed anchor cable 2 is installed by taking two anchor piers 5 which are constructed and are supposed to cross two banks of a river channel (valley) as the left end and the right end; after the through prestressed anchor cable 2 is installed in place, secondary concrete pouring construction is carried out on the upper part of the anchor pier 5 (the part above the installation plane of the through prestressed anchor cable 2), after the secondary concrete pouring of the anchor pier 5 is finished, the through prestressed anchor cable 2 is subjected to grouting construction, during grouting, cement slurry 11 is poured into the steel sleeve 6 through the slurry inlet pipe 8, and the slurry outlet pipe and the exhaust pipe 9 are used for exhausting; stopping grouting after the pipe orifice of the grout outlet pipe 9 is completely grouted, ensuring that the steel sleeve 6 penetrating the prestressed anchor cable 2 is completely filled with cement slurry 11, installing anchor backing plates 4 on anchor piers 5 at two ends of the prestressed anchor cable 2 after the cement slurry 11 in the steel sleeve 6 is fully solidified, performing tensioning construction on the prestressed anchor cable 2 after the strength of the cement slurry 11 and the strength of the concrete anchor piers 5 in the steel sleeve 6 reach the design strength, and performing installation construction for erecting the small-sized pipeline 1 in a planned crossing manner after the tensioning of the prestressed anchor cable 2 is completed. The pre-crossing pipeline 1 and the opposite-crossing prestressed anchor cable 2 are fixed by a pipe hoop 3 according to a certain interval, before the opposite-crossing prestressed anchor cable 2 is installed, a steel strand 7, a slurry inlet pipe 8, a slurry outlet pipe and exhaust pipe 9, an anchor cable isolation frame 10 and the like are firstly processed into an anchor cable body according to design requirements, and then the anchor cable body is installed into a steel sleeve 6 to form the opposite-crossing prestressed anchor cable 2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a bearing structure suitable for built on stilts strideing across erection mode of small-size pipeline which characterized in that: the structure comprises concrete anchor piers (5) built on two sides of a planned crossing river channel/valley, oppositely-penetrating prestressed anchor cables (2) are installed by taking the two anchor piers (5) as fixed ends, small pipelines (1) erected in a simulated overhead crossing mode are installed next to the oppositely-penetrating prestressed anchor cables (2) after the oppositely-penetrating prestressed anchor cables (2) are tensioned, and the small pipelines (1) erected in the simulated overhead crossing mode are fixed with the oppositely-penetrating prestressed anchor cables (2) through pipe hoops (3).
2. A support structure for a small duct overhead spanning erection as claimed in claim 1, wherein: 2 concrete anchor piers (5) are constructed in an upper stage and a lower stage by taking an installation plane of the opposite pre-stressed anchor cable (2) as a reference; the lower part of the concrete anchor pier (5) is a first stage, and the first stage is finished by pouring before the opposite prestressed anchor cable (2) is installed; the upper part of the concrete anchor pier (5) is in the second stage, and the second stage is poured after the oppositely-penetrated prestressed anchor cable (2) is installed in place.
3. A support structure suitable for use in small duct overhead spanning installations as claimed in claim 1 or claim 2, wherein: the opposite-penetrating prestressed anchor cable (2) is preferably processed firstly and then integrally hoisted to the anchor pier (5) to be in place, and grouting construction in the steel sleeve (6) in the opposite-penetrating prestressed anchor cable (2) needs to be carried out after the opposite-penetrating prestressed anchor cable (2) is installed.
4. A support structure suitable for use in small duct overhead spanning installations as claimed in claim 1 or claim 2, wherein: the pipe diameter of the small pipeline (1) to be erected in an overhead crossing mode is preferably smaller than 500mm, and the specific pipe diameter needs to be determined by calculating the weight of the small pipeline (1) to be erected in the overhead crossing mode and the prestress tonnage selected by the prestress anchor cable (2) to be penetrated; specifically, the tonnage of the opposite-penetrating prestressed anchor cable (2) and the number of required steel strands (7) are selected according to the pipe diameter and the weight of the small pipeline (1) to be erected in an overhead crossing manner.
5. A support structure suitable for a small pipe overhead crossing erection as claimed in claim 1, 2 or 4, wherein: the distance between the small pipeline (1) to be erected in an overhead spanning mode and the pipe hoop (3) fixed between the oppositely-penetrated prestressed anchor cables (2) is selected according to actual needs, the pipe hoop (3) is made of steel or alloy materials, and the anchor backing plate (4) is made of steel.
6. A support structure suitable for use in small duct overhead spanning installations as claimed in claim 1 or claim 2, wherein: the foundation of the concrete anchor pier (5) needs to be solid; in addition, in order to ensure the safety and stability of the concrete anchor pier (5) in the operation period, the concrete anchor pier (5) and the mountain body can be reliably connected through adopting a prestressed anchor rod or a prestressed anchor cable (12) to form integral stress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022936196.9U CN214743743U (en) | 2020-12-09 | 2020-12-09 | Supporting structure suitable for small-sized pipeline overhead crossing erection mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022936196.9U CN214743743U (en) | 2020-12-09 | 2020-12-09 | Supporting structure suitable for small-sized pipeline overhead crossing erection mode |
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| Publication Number | Publication Date |
|---|---|
| CN214743743U true CN214743743U (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022936196.9U Active CN214743743U (en) | 2020-12-09 | 2020-12-09 | Supporting structure suitable for small-sized pipeline overhead crossing erection mode |
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| Country | Link |
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| CN (1) | CN214743743U (en) |
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- 2020-12-09 CN CN202022936196.9U patent/CN214743743U/en active Active
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