CN209652970U - A kind of large diameter steel pipe installation buttress - Google Patents
A kind of large diameter steel pipe installation buttress Download PDFInfo
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- CN209652970U CN209652970U CN201920129705.1U CN201920129705U CN209652970U CN 209652970 U CN209652970 U CN 209652970U CN 201920129705 U CN201920129705 U CN 201920129705U CN 209652970 U CN209652970 U CN 209652970U
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Abstract
The utility model provides a kind of large diameter steel pipe installation buttress, including concrete bed, steel bracket, the top of concrete bed is embedded with steel plate in casting concrete, for fixing upper steel bracket, steel bracket includes the I-steel with Interal fixation, two sides are welded with supporting steel plate on I-steel, are welded with junction steel plate between supporting steel plate.The large diameter steel pipe installation buttress is effectively combined the advantages of concrete buttress is at low cost and steelframe buttress is easy to firm steel pipe, that is, reduces construction cost and also improve the axial location precision of penstock installation, accelerate construction speed.
Description
Technical field
The utility model relates to a kind of penstock installation buttresses, install buttress more particularly, to a kind of large diameter steel pipe.
Background technique
In recent years, China is to solve the problems, such as that some areas shipwreck, the quantity of hydraulic and hydroelectric engineering gradually increase,
The diameter of middle diversion pressure steel tube is also gradually increasing, and the installation of diversion pressure steel tube is a complicated job, especially pacifies
The accuracy of steel pipe axis position influences pipeline mounting construction quality big during dress, and the construction quality of Pipe installing influences again
The construction quality of integrated engineering, each single item construction link must be controlled in pipe installation process, just can guarantee water in this way
The integral construction quality of sharp hydraulic engineering.
Existing large diameter steel pipe buttress is usually using concrete buttress or steelframe buttress:
1, concrete buttress, that is, penstock installation buttress is concrete structure, and such buttress structure type is simple, installs steel pipe
Preceding encapsulating concrete structure reinforcing bars pre-buried before conduit axis position casting concrete buttress, buttress formwork erection.Buttress coagulation
Soil pours strict control elevation of top surface in engineering.The fixed steel in steel pipe two sides is placed on using timber wedge or gad during installation steel pipe
Pipe.
2, steelframe buttress is the bracket for using fashioned iron to be process.Pour pre-buried stable steelframe buttress steel when encapsulating bed course
Muscle, fashioned iron welding steel structure buttress is used before penstock installation, and fashioned iron type used in buttress is determined according to steel pipe weight.Buttress bottom with
Bed course embedded bar is welded and fixed.
The shortcomings that prior art:
1, top surface absolute altitude control difficulty is big when concrete buttress pours, and causes installation accuracy bigger than normal；Encapsulate concrete buttress
Once pouring molding, the precision of installation is just not easy to adjust.
2, concrete buttress top surface is plane, and when Pipe installing is not easy to stablize, and control conduit axis position is more difficult.
3, steelframe buttress is big using steel material, increases construction cost.
Utility model content
In order to solve the defects of existing concrete buttress is easy to appear steel pipe axis position deviation and steelframe buttress at high cost,
The utility model provides a kind of large diameter steel pipe installation buttress, is the buttress pattern that concrete bed adds steel bracket, by will be small
Profile steel bracket is put on concrete bed, that is, solves the problems, such as that concrete buttress is easy to appear steel pipe axis position deviation,
The usage amount for reducing steel reduces the cost of buttress.It is described that its technical solution is as follows:
A kind of large diameter steel pipe installs buttress, including concrete bed, steel bracket, the top of concrete bed pour it is mixed
It is embedded with steel plate when solidifying soil, for fixing upper steel bracket, steel bracket includes the I-steel with Interal fixation, two sides on I-steel
It is welded with supporting steel plate, is welded with junction steel plate between supporting steel plate.
Concrete bed is cuboid, is highly 0.5m-0.7m, width 0.2m-0.4m, length 1.8m-2.0m, wide
Degree refers to that, along pipeline axial direction, length refers to vertical pipe axial direction.
The length and width high standard of steel plate is 200mm × 200mm × 10mm.
Supporting steel plate is 16mm thick, is welded on the vertical waist panel position of I-steel.
The supporting steel plate of two sides is cut with the radian of identical supporting steel pipe diameter.
Junction steel plate is with a thickness of 12mm.
The hole of arrangement steel pipe encapsulating reinforcing bar is reserved on steel bracket.
Pre-buried steel plate lower end is provided with reinforcing rib, extend into concrete bed.
Large diameter steel pipe installation buttress is effectively combined that concrete buttress is at low cost and steelframe buttress is easy to firm steel
The advantages of pipe, reduces construction cost and also improves the axial location precision of penstock installation, accelerates construction speed.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the large diameter steel pipe installation buttress；
Fig. 2 is the schematic top plan view of the large diameter steel pipe installation buttress；
Fig. 3 is the side schematic view of the large diameter steel pipe installation buttress.
Specific embodiment
The utility model provides a kind of large diameter steel pipe installation buttress, as shown in Fig. 1 to Fig. 3, the coagulation including lower part
Native pedestal 4, upper steel bracket 6, the pre-embedded steel slab 5 installed when pouring lower part concrete bottom, to fix upper steel bracket 6.
One, using the buttress pattern save the cost of concrete bed 4 plus steel bracket 6
Concrete bed 4 is using the concrete with the encapsulating of back with water inlet line steel pipe with label, as concrete filled steel tube encapsulating
A part.The material of steel bracket 6 mainly has I10 I-steel 1,16mm thick steel plate 2, and 12mm thick steel plate 3 is smaller using steel material,
Construction cost is low.
Two, steel bracket is arc-shaped, convenient for accurate fixed steel pipe axis position
The top of steel bracket 6 is arc-shaped, accurately adjusts conducive to the axial position of steel pipe, steel can be adjusted before penstock installation
Steel pipe is installed in 6 position of bracket again after adjusting to design requirement position, shorten the time of adjustment steel pipe axis position.
Three, buttress structural shape
Penstock installation buttress is using lower part concrete bed, the structural shape of upper steel bracket.Lower part concrete bed 4 is
Cuboid, high 0.57m, wide 0.3m (along pipeline axial direction), long 1.9m (vertical pipe axial direction).When casting concrete
Pre-buried 200mm × the 200mm in the top of concrete bed 4 × 10mm steel plate 5, it is fixed for upper steel bracket 6.
Upper steel bracket 6 uses Two bors d's oeuveres I10 I-steel 1, and 16mm thick steel plate 2 is cut into identical supporting steel pipe diameter in advance
Radian, two blocks of 16mm thick steel plates 2 are welded on to the two sides of Two bors d's oeuveres I-steel 1,16mm thick steel plate 2 is welded on the perpendicular of I-steel 1
To waist panel position, the junction steel plate 3 of one piece of 12mm thickness is welded at the intermediate position of soldered two blocks of thick steel plates 2, by I-steel 1
One, which is welded as, with 16mm thick steel plate 2 stablizes entirety.The hole of arrangement steel pipe encapsulating reinforcing bar is finally reserved on steel bracket 6.
Four, steel pipe is carried out using composite structure pattern buttress and encapsulates concrete pouring construction method
1, construction process
Buttress construction → lifting steel pipes → steel pipe counterpart and accurate adjustment → steel-pipe welding → encapsulating concreting.
2, buttress is constructed
For convenient for DN3600 penstock installation, cushion construction arranges the combined buttress of a row along pipe center line after the completion, just
It is hung and butt welding in steel pipe.Every long 6.0m of section steel pipe, combined buttress be arranged in every section steel pipe away from end 1.0m at.Every section
2 buttresses are laid in pipe fitting position, and both ends respectively set buttress one far from end 1.0m.The high 0.57m of buttress, wide 0.3m is (along pipeline axial direction
Direction), long 1.9m (vertical pipe axial direction).
3, lifting steel pipes
Crane is configured according to every section steel pipe weight and carries out lifting steel pipes, to guarantee that preventing external corrosion of steel pipe is not destroyed, using hanging
Band lifting, respectively installs 1 main rope, and add safety rope in its two sides at steel pipe 1/3.By on handling steel tubes to buttress, to steel
Decoupling device again after stablizing on Guan Gang bracket.
4, the counterpart and accurate adjustment of steel pipe
Steel pipe lengthwise position, is once adjusted in place, circumferential weld is to dress by commanding's strict control steel pipe on-station position substantially
Shi Caiyong activity compression bar cooperation jack assembles paragraph by paragraph, and outer wall assists short fixed pole to adjust with jack, guarantees that steel pipe position is fixed.
Determine it is errorless after welding is fixed to steel pipe.
5, steel-pipe welding
Welded using double V-groove, welded first in insides of pipes groove, after the completion the back side dig 3 using gouge~
4mm depth, 10mm wide " V " type groove, then carry out back welding.Welding pass is finally determined after test of many times are as follows: interior weldering 5 times
(bottom argon arc welding 1 time, two protect weldering filling 3 throughout capping 1 time), outside weld 1 time (carrying out welding using 507 welding rods).
6, concreting is encapsulated
(1) steel pipe anti-floating
It is not enough to overcome the uplift pressure generated when concreting through the self weight of brief calculation back with water inlet line steel pipe, need to take and add
Gu measure prevents uplift pressure when casting concrete from steel pipe being caused to send out to ensure the stabilization of steel pipe in concrete pack casting process
Raw displacement, is reinforced using anti-floating bar first, and Anti-floating reinforcing steel bar and buttress embedded bar weld, and resists part buoyancy.Secondly to
After the completion of adjacent steel-pipe welding, the uplift pressure generated when the concreting of part, casting process are resisted by the self weight of adjacent steel pipe
In, rationally control speed of perfusion, it is ensured that steel pipe is stablized.
(2) concreting
Encapsulating concrete is poured using storehouse method is jumped, and it is 12m that every storehouse, which pours length according to design drawing requirement,.Encapsulate concrete
It is carried out using concrete tank cooperation pump truck, is put in storage using automotive pump pumping.In order to reduce concrete buoyancy and other active forces
Effect to template and steel pipe is slowed down speed of perfusion in concreting to steel pipe a quarter height, is being poured to two points
One of steel pipe position when again interval 1~1.5 hour, it is ensured that steel pipe rising phenomenon does not occur.Concrete is poured using top and bottom process,
Every layer pours with a thickness of 30~40cm；Strict control speed of perfusion pours height no more than 0.5m per hour.
The utility model buttress adds the pattern of steel bracket using concrete bed, effective solution concrete buttress elevation
And axial location haves the defects that deviation, and is not easy the problems such as stablizing when installation steel pipe.Because steel usage amount is small, compare steelframe
Buttress is at low cost.
The type buttress is effectively combined the advantages of concrete buttress is at low cost and steelframe buttress is easy to firm steel pipe, that is, reduces
Construction cost also improves the axial location precision of penstock installation, accelerates construction speed.
Claims (7)
1. a kind of large diameter steel pipe installs buttress, it is characterised in that: including concrete bed, steel bracket, the top of concrete bed
Portion is embedded with steel plate in casting concrete, and for fixing upper steel bracket, steel bracket includes the I-steel with Interal fixation, work
Two sides are welded with supporting steel plate on word steel, are welded with junction steel plate between supporting steel plate.
2. large diameter steel pipe according to claim 1 installs buttress, it is characterised in that: concrete bed is cuboid, high
Degree is 0.5m-0.7m, width 0.2m-0.4m, length 1.8m-2.0m, and width refers to that, along pipeline axial direction, length refers to
Vertical pipe axial direction.
3. large diameter steel pipe according to claim 1 installs buttress, it is characterised in that: the length and width high standard of steel plate is
200mm×200mm×10mm。
4. large diameter steel pipe according to claim 1 installs buttress, it is characterised in that: supporting steel plate is 16mm thick, welding
In the vertical waist panel position of I-steel.
5. large diameter steel pipe according to claim 1 installs buttress, it is characterised in that: the supporting steel plate of two sides is cut with phase
The radian of same supporting steel pipe diameter.
6. large diameter steel pipe according to claim 1 installs buttress, it is characterised in that: junction steel plate is with a thickness of 12mm.
7. large diameter steel pipe according to claim 1 installs buttress, it is characterised in that: be reserved with arrangement steel pipe on steel bracket
Encapsulate the hole of reinforcing bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920129705.1U CN209652970U (en) | 2019-01-25 | 2019-01-25 | A kind of large diameter steel pipe installation buttress |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920129705.1U CN209652970U (en) | 2019-01-25 | 2019-01-25 | A kind of large diameter steel pipe installation buttress |
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| CN209652970U true CN209652970U (en) | 2019-11-19 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965626A (en) * | 2019-12-12 | 2020-04-07 | 中铁十八局集团第五工程有限公司 | Shallow-buried underground excavation steel pipe installation construction process method |
| CN111648456A (en) * | 2020-06-03 | 2020-09-11 | 中国十七冶集团有限公司 | Rough-alignment positioning installation tool for curve part of drain pipe and construction method of rough-alignment positioning installation tool |
| CN114892974A (en) * | 2022-04-19 | 2022-08-12 | 北京市设备安装工程集团有限公司 | Construction equipment for penetrating roof pipeline sleeve and reinforced concrete member |
| CN115044007A (en) * | 2022-05-27 | 2022-09-13 | 中石化石油工程技术服务有限公司 | Preparation method of polyurethane buttress and continuous pipeline construction method |
| CN115288372A (en) * | 2022-08-19 | 2022-11-04 | 中交第四公路工程局有限公司 | Sound insulation and vibration reduction overhead stone roof structure and construction method |
-
2019
- 2019-01-25 CN CN201920129705.1U patent/CN209652970U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965626A (en) * | 2019-12-12 | 2020-04-07 | 中铁十八局集团第五工程有限公司 | Shallow-buried underground excavation steel pipe installation construction process method |
| CN111648456A (en) * | 2020-06-03 | 2020-09-11 | 中国十七冶集团有限公司 | Rough-alignment positioning installation tool for curve part of drain pipe and construction method of rough-alignment positioning installation tool |
| CN114892974A (en) * | 2022-04-19 | 2022-08-12 | 北京市设备安装工程集团有限公司 | Construction equipment for penetrating roof pipeline sleeve and reinforced concrete member |
| CN114892974B (en) * | 2022-04-19 | 2024-03-19 | 北京市设备安装工程集团有限公司 | Construction equipment for reinforced concrete member of penetrating roof pipeline sleeve |
| CN115044007A (en) * | 2022-05-27 | 2022-09-13 | 中石化石油工程技术服务有限公司 | Preparation method of polyurethane buttress and continuous pipeline construction method |
| CN115288372A (en) * | 2022-08-19 | 2022-11-04 | 中交第四公路工程局有限公司 | Sound insulation and vibration reduction overhead stone roof structure and construction method |
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