CN2811715Y - Small-section round stress pressure-resistant culvert pipe - Google Patents
Small-section round stress pressure-resistant culvert pipe Download PDFInfo
- Publication number
- CN2811715Y CN2811715Y CN 200520023695 CN200520023695U CN2811715Y CN 2811715 Y CN2811715 Y CN 2811715Y CN 200520023695 CN200520023695 CN 200520023695 CN 200520023695 U CN200520023695 U CN 200520023695U CN 2811715 Y CN2811715 Y CN 2811715Y
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- CN
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- culvert pipe
- bobbin
- dextrorotation
- pipe body
- utility
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Abstract
The utility model relates to an annular core stressed pressure-resistant culvert pipe for a small section, which comprises a concrete culvert pipe body, an inner layer framework and an outer layer framework, wherein the inner layer framework and the outer layer framework are arranged in the culvert pipe body, a longitudinal pipe barrel is fixed on the inner layer framework, and a positive rotation barrel pipe continuously rotating is fixed on the outer layer framework; a steel wire of which one end is fixed and the other end is continuously tensioned to generate prestressing force is arranged in a longitudinal barrel pipe on the inner layer framework, and a steel wire which generates prestressing force through continuously tensioning is arranged in the positive rotation barrel pipe on the outer layer framework; the inner wall of the culvert pipe body is provided with a pull-assistance anchor machine which is connected with the steel wire in the positive rotation barrel pipe. The utility model uses the unique tensioning process, and the culvert pipe of the utility model has the advantages of low cost and high construction efficiency.
Description
Technical field
The utility model relates to a kind of pressure-resistant culvert pipe with small section and circumferential stress.
Technical background
The domestic small-sized mountain water delivery culvert construction method majority of wearing also rests on the level seventies at present, construct with the method for subsidizing the leak stopping reinforcing, the construction of minitunnel also rests on the whitewashing sealing and builds the tratitional technology that arch form is contained, so frequent blockage phenomenon of small-sized water delivery culvert, the simple and easy water delivery culvert in indivedual areas is because of the geologic structure complexity, the movable rock stratum of culvert is because of containing hazardous substance, do not add control for a long time, often cause water to pollute, and then harm people's physical and mental health, minitunnel is most with traditional method of construction, use easy form of construction work, concreting arch form culvert, it is big to there is engineering work load, the cost height, effect is low, life-span is short, shortcomings such as using effect difference, the needs that incompatible modernized diversion works and highway communication are built.
Summary of the invention
Technical problem to be solved in the utility model provides and a kind ofly can effectively improve pressure-resistant culvert pipe with small section and circumferential stress counter-bending, resist displacement.
The utility model adopts following technological scheme:
The utility model comprises the concrete culvert pipe with great body and is arranged on the cylinder frame of being made by ring muscle and vertical muscle in the culvert pipe body, it is characterized in that described cylinder frame is made of nexine skeleton and outer skeleton, be fixed with vertical socket on the nexine skeleton, be fixed with the dextrorotation bobbin of continuous rotation on the outer skeleton, be provided with by an end in vertical bobbin on the nexine skeleton and fix, the other end continuously tensioning produces prestressed steel strand, be provided with through continuously tensioning in the dextrorotation bobbin on the outer skeleton and produce prestressed steel strand, the inwall of described culvert pipe body be provided be connected with steel strand in the dextrorotation bobbin be used to help draw with anchoring dextrorotation bobbin in helping of guiding principle twisted wire draw ground tackle, steel strand two ends in the described dextrorotation bobbin are connected with the ground tackle on being arranged on culvert pipe body inwall, and steel strand produce prestressing force through helping stretch-draw.
The utility model is set with continuous dextrorotation bobbin of hoop or derotation bobbin on outer skeleton.
The utility model is the cylinder type metal bellows at dextrorotation bobbin or derotation bobbin.
The utility model dextrorotation bobbin can be the overcoat plastic tube that is installed with prestress wire.
The vertical muscle of the longitudinal prestressing that the utility model is provided with in the culvert pipe body can connect into the culvert pipe section of section construction the overlength culvert pipe body that reaches 30-300 rice.
Overlength culvert pipe body described in the utility model can be to construct utilize culvert inner-wall spraying rubber and plastic separation layer in the culvert pipe hole after.
Overlength culvert pipe body described in the utility model also can be in the ditch that excavate in the Plain, utilizes the arc pipe base behind the support outer moulding board, or uses the metal base, connects into overlength culvert pipe body by technological process construction.
Overlength culvert pipe body described in the utility model also can be used vertical construction process, in the lifting displacement, connects into overlength culvert pipe body with longitudinal prestressing technology then.
The expansion joint of overlength culvert pipe body described in the utility model seals with rubber fastening band, and the body of vertical making seals with the rubber water stop ring.
The utility model good effect is as follows: the utility model adopts " hoop rotates continuously " new mode, on body internal and external layer skeleton, steel strand are fixed with ground tackle by the mouth of pipe one end, dextrorotation or derotation 1-50 circle, under the situation that the elongation of used prestress wire allows, the new process that adopts the body wife to draw, the lower left corner and the upper right corner are provided with respectively to reserve to help and draw anchor hole in tube wall, if caliber is more than 5 meters, also sectional stretch-draw, can be the segmentation anchoring at inner tube wall bottom design dedicated fixed anchor hole and stretch-draw anchor hole also according to the size of caliber, packer grouting makes body form circumference stress.
The utility model adopts longitudinal prestressing muscle one end to fix the new process that an end connects stretch-draw, and the culvert pipe body that connects construction is connected into an overlength body.
The utility model has adopted the flexible foundation theory with longitudinal prestressing the culvert pipe body to be connected into the overlength body, strengthened the counter-bending of body, resist displacement, measuring body ability, also owing to adopted the ring orientation prestress rib new structure of rotation continuously, adopted and in body, helped the new process of drawing the segmentation anchoring continuously, improved culvert pipe body entire compression therefrom, shock proof ability, also prolonged the working life of culvert pipe simultaneously, the stretch-draw that the utility model adopted " technology uniqueness ", it is low that the utility model culvert pipe also has cost, the efficiency of construction height, applied widely, characteristics such as good practical effect.
The utility model can be used on " south water to north " engineering, with the underground water-conveyance culvert or pipe of small-sized shield machine excavation or the waterline of long distance, also can be used for mountain tunnel, also can be used for wearing mountain Sui Dong, also can be used for overlength water pipeline (3 meters-8 meters of internal diameters) middle or small, the type diversion works.
Description of drawings
Accompanying drawing 1 is the utility model structural representation
Accompanying drawing 2 is the utility model body side schematic view
Accompanying drawing 3 is the B portion enlarged view of the utility model accompanying drawing 1
Accompanying drawing 4 is the A portion enlarged view of the utility model accompanying drawing 2
Accompanying drawing 5 is the utility model culvert pipe body connection diagram
Accompanying drawing 6 is the C portion enlarged view of the utility model accompanying drawing 5
Accompanying drawing 7 is the utility model dextrorotation bobbin schematic representation around the home
Accompanying drawing 8 draws ground tackle and steel strand schematic representation for the utility model helps
In the accompanying drawings: 1 culvert pipe body, 2 outer skeletons, 3 dextrorotation bobbins, 4 ring muscle, 5 vertical muscle, 6 nexine skeletons, 7 vertical muscle, 8 ring muscle, 9 vertical bobbins, 10 steel strand, 11 ground tackles, 12 help and draw ground tackle, 13 vertically to connect preformed hole, 14 construction joints, 15 rubber fastening bands, 16 concrete outer linings, 17 culvert outer walls, 18 culvert pipe expansion joints, 19 rubber and plastic separation layers, 20 rock stratum, 21 snap closes.
Embodiment
As shown in drawings, the utility model comprises concrete culvert pipe with great body 1 and is arranged on the cylinder frame of being made by ring muscle and vertical muscle in the culvert pipe body 1, it is characterized in that described cylinder frame is made of nexine skeleton 6 and outer skeleton 2, be fixed with vertical socket 9 on the nexine skeleton 6, be fixed with the dextrorotation bobbin 3 of continuous rotation on the outer skeleton 2, be provided with by an end in vertical bobbin 9 on the nexine skeleton 6 and fix, the other end continuously tensioning produces prestressed steel strand 10, be provided with through continuously tensioning in the dextrorotation bobbin 3 on the outer skeleton 2 and produce prestressed steel strand 10, the inwall of described culvert pipe body 1 be provided be connected with steel strand 10 in the dextrorotation bobbin 3 be used to help draw with anchoring dextrorotation bobbin 3 in helping of guiding principle twisted wire draw ground tackle 12, steel strand 10 two ends in the described dextrorotation bobbin 3 are connected with the ground tackle 11 on being arranged on culvert pipe body 1 inwall, and steel strand 10 produce prestressing force through helping stretch-draw.
The utility model is set with continuous dextrorotation bobbin of hoop or derotation bobbin on outer skeleton 2.
The utility model is the cylinder type metal bellows at dextrorotation bobbin 3 or derotation bobbin.
The utility model dextrorotation bobbin 3 can be the overcoat plastic tube that is installed with prestress wire 10.
The vertical muscle 7 of the longitudinal prestressing that the utility model is provided with in culvert pipe body 1 can connect into the culvert pipe section of section construction the overlength culvert pipe body 1 that reaches 30-300 rice.
Overlength culvert pipe body 1 described in the utility model can be to construct utilize culvert inner-wall spraying rubber and plastic separation layer in the culvert pipe hole after.
Overlength culvert pipe body 1 described in the utility model also can be in the ditch that excavate in the Plain, utilizes the arc pipe base behind the support outer moulding board, or uses the metal base, connects into overlength culvert pipe body 1 by technological process construction.
Overlength culvert pipe body 1 described in the utility model also can be used vertical construction process, in the lifting displacement, connects into overlength culvert pipe body 1 with longitudinal prestressing technology then.
Expansion joint 18 usefulness rubber fastening bands, 15 sealings of overlength culvert pipe body 1 described in the utility model, the body of vertical making seals with the rubber water stop ring.
As shown in Figure 7, the utility model is the cancellated new mode of hoop that is formed in conjunction with vertical steel strand 10 by 10 continuous dextrorotations of hoop steel strand or derotation 1-50 circle.As shown in Figure 8, the utility model helps and draws ground tackle 12 to be connected with steel strand 10 in being arranged on dextrorotation bobbin 3 by snap close 21, as shown in Figure 7, the dextrorotation bobbin around the home the culvert pipe body finish once in 1 one weeks or helping once drawn, accompanying drawing 7 is depicted as to finish to help for twice and draws.
The two- layer skeleton 6,2 in cylinder type innner and outer that the utility model useful ring muscle and vertical muscle in culvert pipe body 1 are made, in the inboard of outer skeleton 2 or arranged outside the hoop bellows is arranged is dextrorotation bobbin 13 or derotation bobbin, in the bellows of rotation, be installed with and produce prestressed steel strand 10 through stretch-draw.In the arranged outside of nexine skeleton 6 longitudinal corrugated pipe being arranged is vertical bobbin 9, is installed with in bellows through stretch-draw and produces prestressed steel strand 10.
The utility model is provided with in body and helps drawing device, the lower left corner in the tube wall, the upper right corner is provided with and helps pulling eye, in be provided with help draw ground tackle 12 and in the bottom, left inferior horn of body or the lower right corner with steel strand with ground tackle 11 anchorings, stretching force by design carries out step stretch-draw, according to the pipe diameter size, the size of steel strand 10 elongations is determined the length of rotation steel strand 10, then helping pulling eye and anchor hole envelope flat.
The utility model is pressed the design that working condition requirement is optimized body, determines pipe structure.Guarantee that cracking, the phenomenons such as bending displacement of leaking do not appear in body when bearing inside and outside lotus.
Method of construction is as follows:
First step concreting outer lining 16: after having excavated the culvert body with small-sized shield machine, make mesh flake with φ 6-φ 10 wire rods, and be fixed on the culvert outer wall 17, the good cylinder type combination of support outer moulding board is with mortar pump concrete perfusion outer lining 16.
Second step was removed the combination outer moulding board: after outer lining concrete 16 solidifies, remove outer moulding board, forward impelling is carried out the construction of next pipeline section again.
The making of the 3rd step rubber and plastic separation layer: spraying or stickup rubber and plastic separation layer on the culvert inwall, can play the effect of buffering.
The making of the 4th step skeleton: use internal diameter size, select reinforcement fabrication nexine skeleton 6 for use according to culvert pipe body 1, outer skeleton 2, and with the connection of reinforcing bar radially.
The 5th step outer layer ring is to the distribution of dextrorotation bobbin 3: at the inboard or the outside distribution dextrorotation bobbin 3 of outer skeleton 2, and penetrate in bobbin through stretch-draw and produce prestressed steel strand.
The distribution of vertical bobbin 9 of the 6th step: in nexine skeleton 6 outsides, vertical bobbin 9 that distributes connects bobbin, puts on steel strand in pipe, reserves anchor hole and installs ground tackle at two ends.
The installation of the 7th step template: determine the internal diameter of inner formword by working condition requirement, and end face template and inner formword are fixed together.
The 8th step culvert pipe body 1 concrete building build concrete in the culvert pipe body 1 with mortar pump, and moulding smash in shake in order.
The 9th step form removal, stretch-draw anchor: when concrete strength reaches 70% when above, form removal, stretch-draw anchor
The tenth step vacuum grouting, pressurization sealing off and covering anchorage: all bobbin segmentations are evacuated, in pipe, inject the high-grade cement slurry that adds dilatant, accelerator with high pressure small sand stock pump, and it are flat with the special cement slurry all anchor holes to be added press seal.
The connection of the 11 step pipeline section: connect prestress wire 10 with connector, connect skeleton reinforcing steel bar with sleeve, and carry out next pipeline section and pipeline section thereof in order.
The making of the 12 horizontal technology and vertical technology: horizontal process using arc pipe platform is outer moulding board fixedly.The pipeline section available active metal base of 3-5 rice internal diameter, sectional making also can be made of vertical technology, and prestressing techniques is used in lifting displacement then, connects into overlength culvert pipe body 1.
Ferrule and the expansion joint sealing of the 13 step: use the rubber seal ring sealing orifice, an end of rubber fastening band 15 is built a end in culvert pipe body 1, the other end is built in next section culvert pipe body 1.
Claims (6)
1, a kind of pressure-resistant culvert pipe with small section and circumferential stress, comprise concrete culvert pipe with great body (1) and be arranged on the cylinder frame of making by ring muscle and vertical muscle in the culvert pipe body (1), it is characterized in that described cylinder frame is made of nexine skeleton (6) and outer skeleton (2), be fixed with vertical socket (9) on the nexine skeleton (6), be fixed with the dextrorotation bobbin (3) of continuous rotation on the outer skeleton (2), be provided with by an end in vertical bobbin (9) on the nexine skeleton (6) and fix, the other end continuously tensioning produces prestressed steel strand (10), be provided with through continuously tensioning in the dextrorotation bobbin (3) on the outer skeleton (2) and produce prestressed steel strand (10), the inwall of described culvert pipe body (1) be provided with dextrorotation bobbin (3) in steel strand (10) be connected be used to help draw with anchoring dextrorotation bobbin (3) in helping of guiding principle twisted wire draw ground tackle (12), steel strand (10) two ends in the described dextrorotation bobbin (3) are connected with the ground tackle (11) on being arranged on culvert pipe body (1) inwall, and steel strand (10) produce prestressing force through helping stretch-draw.
2, a kind of pressure-resistant culvert pipe with small section and circumferential stress according to claim 1 is characterized in that being set with continuous dextrorotation bobbin of hoop or derotation bobbin on outer skeleton (2).
3, a kind of pressure-resistant culvert pipe with small section and circumferential stress according to claim 1 and 2 is characterized in that at dextrorotation bobbin (3) or derotation bobbin be the cylinder type metal bellows.
4, a kind of pressure-resistant culvert pipe with small section and circumferential stress according to claim 1 and 2 is characterized in that dextrorotation bobbin (3) can be the overcoat plastic tube that is installed with prestress wire (10).
5, a kind of pressure-resistant culvert pipe with small section and circumferential stress according to claim 1 and 2 is characterized in that the vertical muscle (7) of the longitudinal prestressing that is provided with can connect into the culvert pipe section of section construction the overlength culvert pipe body (1) that reaches 30-300 rice in culvert pipe body (1).
6, a kind of pressure-resistant culvert pipe with small section and circumferential stress according to claim 5 is characterized in that the expansion joint (18) of described overlength culvert pipe body (1) seals with rubber fastening band (15), and the body of vertical making seals with the rubber water stop ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520023695 CN2811715Y (en) | 2005-03-25 | 2005-03-25 | Small-section round stress pressure-resistant culvert pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520023695 CN2811715Y (en) | 2005-03-25 | 2005-03-25 | Small-section round stress pressure-resistant culvert pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2811715Y true CN2811715Y (en) | 2006-08-30 |
Family
ID=36938104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520023695 Expired - Lifetime CN2811715Y (en) | 2005-03-25 | 2005-03-25 | Small-section round stress pressure-resistant culvert pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2811715Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100417856C (en) * | 2005-03-25 | 2008-09-10 | 衡水长江预应力有限公司 | Pressure-resistant culvert pipe with small section and circumferential stress and preparation process thereof |
| CN118208597A (en) * | 2024-05-22 | 2024-06-18 | 山东海丽管道科技有限公司 | Compression-resistant heat-insulation pipeline |
-
2005
- 2005-03-25 CN CN 200520023695 patent/CN2811715Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100417856C (en) * | 2005-03-25 | 2008-09-10 | 衡水长江预应力有限公司 | Pressure-resistant culvert pipe with small section and circumferential stress and preparation process thereof |
| CN118208597A (en) * | 2024-05-22 | 2024-06-18 | 山东海丽管道科技有限公司 | Compression-resistant heat-insulation pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080910 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |