CN101994878A - Double-rubber gasket prestressed concrete cylinder pipe - Google Patents
Double-rubber gasket prestressed concrete cylinder pipe Download PDFInfo
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- CN101994878A CN101994878A CN2010105176191A CN201010517619A CN101994878A CN 101994878 A CN101994878 A CN 101994878A CN 2010105176191 A CN2010105176191 A CN 2010105176191A CN 201010517619 A CN201010517619 A CN 201010517619A CN 101994878 A CN101994878 A CN 101994878A
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- prestressed concrete
- concrete cylinder
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- rubber gasket
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Abstract
The invention relates to a double-rubber gasket prestressed concrete cylinder pipe. The pipe consists of a spigot steel ring with a rubber gasket slot and a socket steel ring, wherein the length of the external overhanging slope of the socket steel ring is shorted by 10mm; the working surface length of the socket steel ring is increased by 10mm; and the angle of the external overhanging slope of the socket steel ring is increased to 32 DEG. By the pipe orifice, the allowable relative corner of a pipe orifice joint of the double-rubber gasket prestressed concrete cylinder pipe can be improved, the installation and construction efficiency is improved, the construction cost is reduced, the capability of differential settlement of the pipe resisting foundation is improved, the maintenance cost for engineering pipelines is reduced, the service life of the pipelines is prolonged, and the safe and economical operation of the engineering pipelines is ensured.
Description
Technical field:
The invention belongs to a kind of Prestressed concrete cylinder pipe, particularly a kind of pair of cushion rubber Prestressed concrete cylinder pipe.
Background technique:
Prestressed concrete cylinder pipe is the composite pipe that raw and auxiliary materials such as set sheet metal, medium steel plate, deformed steel, high-strength prestressed steel wire, ordinary steel bar, high-strength concrete, high-strength mortar and rubber seal are made, have characteristics such as high strength, high permeability resistant and high leak tightness because of it and be widely used in engineerings such as urban water supply and drainage, industrial waterline, field irrigation, plant pipe network, power-plant makeup and cooling water recirculation system, inverted siphon, pressure tunnel pipeline and dark earthing culvert pipe, be particularly suited for the engineering-environment of heavy caliber, senior engineer's pressure and high earthing.Yet, this at home tubing is the novel pipeline material that closely just grows up during the last ten years, construction quality and applicable cases also do not obtain the checking of enough time, mouth of pipe joint according to two cushion rubber Prestressed concrete cylinder pipes of State Standard of the People's Republic of China " Prestressed concrete cylinder pipe (GB/T19685-2005) " nominal diameter 1200-4000mm allows relative rotation only to be 0.5 °, for the requirement of satisfying less like this joint permission relative rotation will strengthen ground or basic strength disposal and investment, otherwise less like this rotational angle of joint is difficult to resist the uneven settlement of ground, thereby influence the sealability of mouth of pipe joint, cause mouth of pipe joint seepage even extract, cause potential safety hazard for the safe operation of whole utilities pipeline, increase the pipeline operation and maintenance cost.
Summary of the invention:
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of pair of cushion rubber Prestressed concrete cylinder pipe is provided, this concrete pipe can increase mouth of pipe joint and allow relative rotation, improve installation efficient, reduce construction cost, strengthen the ability that tubing is resisted uneven settlement of foundation, reduce the maintenance cost of utilities pipeline, prolong pipeline working life, ensure the utilities pipeline safety and economic operation.
As above design, technological scheme of the present invention is: a kind of pair of cushion rubber Prestressed concrete cylinder pipe, form by socket steel ring that has aprons slot that is arranged on concrete mouth of pipe place and bellmouth steel loop; It is characterized in that: the outer adverse slope length 10mm that shortens the bellmouth steel loop; The face length of bellmouth steel loop increases 10mm; The outer adverse slope angle of bellmouth steel loop is increased to 32 °.
The bellmouth working surface of the above-mentioned mouth of pipe leaves the gap of 0.8mm～1.0mm when cooperating with the socket working surface.
Above-mentioned aprons slot is provided with two.
The present invention has following advantage and beneficial effect:
1, the design increases the face length 8-12mm of bellmouth steel loop owing to shorten the outer adverse slope length 8-12mm of bellmouth steel loop; The outer adverse slope angle of bellmouth steel loop is increased to 32 °, thereby the allow amount of extracting, the raising mouth of pipe joint that can increase mouth of pipe joint allow nearly one times of relative rotation, strengthen the ability that tubing is resisted uneven settlement of foundation, effectively reduce the intractability and the cost on ground or basis.
2, the design is simple in structure, makes Prestressed concrete cylinder pipe still have good performances such as high strength, high permeability resistant, and can not increase the tubing manufacture cost.
3, counterpart is easy when mounted for the design, is convenient to construction, improves installation efficient, reduces construction cost.
Description of drawings:
Fig. 1 is an interface schematic representation of the present invention.
Embodiment:
As shown in the figure: the outer felt of the concrete tube core 4 in a kind of pair of cushion rubber Prestressed concrete cylinder pipe steel cylinder 3 is around reinforcement wire 5 and make cement mortar protective course 6.The concrete pipe mouth of pipe is provided with bellmouth steel loop 1 and has socket steel ring 2 compositions of aprons slot.When making the bellmouth steel loop, shorten the outer adverse slope length a value 10mm of bellmouth and make bellmouth face length b value increase 10mm, that is: make the outer adverse slope length of bellmouth reach 16mm bellmouth face length and reach 145mm, the outer adverse slope angle of bellmouth is increased to 32 ° simultaneously.In the control bellmouth working surface through size deviation+0.8mm～+ 1.0mm.The bell of pipe and socket joint seal with two slat gum seal rings 7 during installation.
When making socket steel ring, adopt to meet the socket steel ring shaped steel that People's Republic of China's building material industry standard " Prestressed concrete cylinder pipe joint with shaped steel (JC/T1091-2008) " requires fully, control socket working surface outside dimension deviation-1.0mm～-0.8mm.
The bellmouth working surface of finished product tubing leaves the gap c of 0.8mm～1.0mm when cooperating with the socket working surface.
It is 50IRHD that two cushion rubber Prestressed concrete cylinder pipe bellmouths and socket joint adopt hardness level with rubber seal, and diameter of section is the jointless die pressing circular solids of a 20mm cushion rubber.
Claims (3)
1. a two cushion rubber Prestressed concrete cylinder pipe is made up of socket steel ring that has aprons slot and bellmouth steel loop; It is characterized in that: the face length that shortens the outer adverse slope length 10mm bellmouth steel loop of bellmouth steel loop increases 10mm; The outer adverse slope angle of bellmouth steel loop is increased to 32 °.
2. according to claim 1 pair of cushion rubber Prestressed concrete cylinder pipe is characterized in that: the bellmouth working surface of the above-mentioned mouth of pipe leaves the gap of 0.8mm～1.0mm when cooperating with the socket working surface.
3. according to claim 1 pair of cushion rubber Prestressed concrete cylinder pipe is characterized in that: above-mentioned aprons slot is provided with two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105176191A CN101994878A (en) | 2010-10-25 | 2010-10-25 | Double-rubber gasket prestressed concrete cylinder pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105176191A CN101994878A (en) | 2010-10-25 | 2010-10-25 | Double-rubber gasket prestressed concrete cylinder pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101994878A true CN101994878A (en) | 2011-03-30 |
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ID=43785414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105176191A Pending CN101994878A (en) | 2010-10-25 | 2010-10-25 | Double-rubber gasket prestressed concrete cylinder pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101994878A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057235A (en) * | 2014-07-02 | 2014-09-24 | 江苏江扬建材机械有限公司 | Spiral pipe welder spigot ring positioning device |
| CN107143692A (en) * | 2017-06-12 | 2017-09-08 | 中国能源建设集团安徽电力建设第工程有限公司 | A kind of soft soil along the coast Prestressed concrete cylinder pipe pipeline installation construction method |
-
2010
- 2010-10-25 CN CN2010105176191A patent/CN101994878A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057235A (en) * | 2014-07-02 | 2014-09-24 | 江苏江扬建材机械有限公司 | Spiral pipe welder spigot ring positioning device |
| CN104057235B (en) * | 2014-07-02 | 2015-12-09 | 江苏江扬建材机械有限公司 | Spiral weld-pipe mill socket loop mapping device |
| CN107143692A (en) * | 2017-06-12 | 2017-09-08 | 中国能源建设集团安徽电力建设第工程有限公司 | A kind of soft soil along the coast Prestressed concrete cylinder pipe pipeline installation construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110330 |