CN2890555Y - Ultra-big-flow prestress water saving pipe - Google Patents
Ultra-big-flow prestress water saving pipe Download PDFInfo
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- CN2890555Y CN2890555Y CN 200620023589 CN200620023589U CN2890555Y CN 2890555 Y CN2890555 Y CN 2890555Y CN 200620023589 CN200620023589 CN 200620023589 CN 200620023589 U CN200620023589 U CN 200620023589U CN 2890555 Y CN2890555 Y CN 2890555Y
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Abstract
The utility relates to an ultra-big-flow prestress water saving pipe comprising a concrete pipe body and a cylindrical framework which is arranged inside the pipe body and made of hooped bars and longitudinal bars. The cylindrical framework consists of an exterior framework, a middle-level framework and an interior framework; wherein the exterior framework provides an arc tube, the middle-level framework is arranged with oblique-crossing oblique tubes , and the outer side of the interior framework fixups a lengthways tube. A triangle connection rack is arranged in the parallel joint of the pipe body, and a high-pressure telescopic slot is arranged in the joint of the pipe body. By the special new technique of transverse prestress in parallel connected, two pipes or a plurality of pipes can be connected and form a multifunctional bearing structure system which enhances such special capabilities of the connected pipes as anti-shearing, anti-distortion, anti-seismic property and anti-displacement. The structure system can meet the engineering demand of the South-to-North Water Diversion Project.
Description
Technical field
The utility model relates to a kind of super large flow pre-stressed water-saving pipeline.
Technical background
Because the variation of the big regional environment of society, the restriction of geological condition, the enlightened canal in traditional level land, depression frame aqueduct, the form of construction work of fast Fang Han of passing by on one's way crosses the river, do not satisfy the needs of " south water to north " super-huge water diversion project,, should carry out " engineering structure innovation " for this reason, the Diversion Project from Luanhe to Tianjin that the eighties, Tianjin was built, the open channel location is damaged because of engineering, and water pollution has changed underground dark culvert water delivery into, diversion of water from the Yellow River to Tianjin water transfer in the past few years, cause is oozing of road along the river, leak, disappear, consumption, the water that can guide to Tianjin has only 50% of total amount, fact proved that " the engineering structure innovation " of large-scale delivery water project is very important.
Project of South-to-North water diversion is because of being subjected to the influence of conventional process techniques, and East Route Project is confined to enlightened canal at present, and the retaining dykes and dams are built lock and contained old mode, and work centerline also is confined to enlightened canal, the frame aqueduct, and the research of old pattern is contained in the side of building.The work centerline Hebei water transfer section of meeting an urgent need for satisfying the requirement of water flow, has been taked Fang Han is strengthened design method in parallel, because of not adopting prestressed structure, has formed traditional scale engineering.
Super large flow pre-stressed water-saving pipeline has adopted the new mode of ring-like netted prestressed structure, has formed the new architecture of prestressed structure.Project of South-to-North water diversion if can adopt this new architecture, can save material, resource and vast land resources, can prolong the working life of engineering, can form the engineering resource that can continue.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of resist displacement, the super large flow pre-stressed water-saving pipeline of anti-sedimentation, antidetonation.
The utility model adopts following technological scheme:
The utility model comprises concrete tube body and is arranged on the cylinder frame of being made by ring muscle and vertical muscle in the body, it is characterized in that described cylinder frame is by outer skeleton, middle level skeleton and nexine skeleton constitute, be fixed with the circular arc bobbin on the outer skeleton, be fixed with the oblique bobbin of diagonal cross on the skeleton of middle level, the outside of nexine skeleton is fixed with vertical bobbin, be provided with the steel strand that produce centripetal-stress through stretch-draw in the circular arc bobbin, the both sides of body are provided with the connecting band that has preformed hole, the connecting band two sides is provided with the fixedly ground tackle of steel strand, be provided with the steel strand that produce oblique stress by ground tackle through stretch-draw in the oblique bobbin, vertically be provided with in the bobbin by the fixing steel strand that produce longitudinal stress through stretch-draw of ground tackle, be provided with the load-bearing positioning table in the body bottom, place in parallel is provided with the triangular shape link press span at body, is provided with the high pressure expansion joint at the body joint.
The utility model is set with ring outer skeleton equally distributed circular arc bobbin on outer skeleton, be provided with one or more and produce the steel strand of centripetal-stress through stretch-draw in the circular arc bobbin, in the arranged outside of body the fixedly ground tackle of steel strand is arranged.
Be provided with the middle level skeleton in the outer skeleton of the utility model, the outside or inboard being provided with at the middle level skeleton are the oblique bobbin that intersection distributes, a left side is oblique, right tiltedly bidirectional crossed through drawing the oblique prestressed steel strand of generation around the home to be provided with the endless tube body in oblique bobbin, is provided with the fixedly ground tackle of steel strand in the body end.
The utility model is provided with the nexine skeleton in the skeleton of the middle level of body, arranged outside at the nexine skeleton has vertical bobbin, vertically being provided with one or more steel strand in the bobbin, be provided with the fixedly connection ground tackle of steel strand in the end of body through stretch-draw generation longitudinal prestressing.
The utility model arc bobbin can be provided with in plastic tube through stretch-draw and produce prestressed steel strand with the plastic tube that scribbles lubricant oil in the pipe, and the arc bobbin can be provided with and singlely also many plastic tubes can be set.
The oblique bobbin of the utility model and vertical bobbin can be provided with the steel strand that produce longitudinal prestressing through stretch-draw with the plastic tube that scribbles lubricant oil in the inwall in plastic tube.
The utility model body can connect into 6-180 rice long pipeline.
The utility model is provided with positioning table in the bottom of body, is provided with the shock insulation layer between positioning table and body, is provided with concrete cushion below positioning table.
The utility model is provided with the triangular shape link press span that is used for the body parallel connection at body place in parallel, outside the body parallel connection, be provided with afterburning hole in the triangular shape link press span, in afterburning hole, be provided with one or more and produce prestressed steel strand, be provided with the fixedly ground tackle of steel strand in end, body joint through stretch-draw.
The utility model is provided with the high pressure expansion joint at the pipeline joint, and the place is provided with the high pressure waterstop at the high pressure expansion joint.
The utility model good effect is as follows: the utility model can be by working condition requirement, preferential design pipe structure, body adopts ring-like cancellated new mode, elder generation is to concrete tube body prestressing before body bears external load, impel overall structure to form centripetal-stress, thereby can offset because all or part of tensile stress that interior external load produces guarantees that the cracking under tensile stress and the action of pulling stress does not appear in established centripetal-stress body.The special warfare that the new technology that adopts longitudinal prestressing to connect is connected with oblique prestressing force is connected into the overlength pipeline by the working condition requirement tube coupling, strengthened pipeline shearing resistance, bending resistance, anti-twist performance, possessed whole resist displacement, the condition of anti-sedimentation, antidetonation.Adopt the extraordinary new process of transverse prestress parallel connection, two or many pipelines are connected together, formed multi-functional supporting structure system, strengthened that the disjunctor pipeline is distinctive to be cut before anti-, anti-twist, antiseismic, resist displacement, the ability of anti-sedimentation can satisfy the requirement of engineering of project of South-to-North water diversion trunk line, big zone, big flow, large-scale many body system water transfer.Can reach the high level of Automatic Control water, the trunk line of project of South-to-North water diversion or major project if can adopt super-flow centripetal-stress water-saving pipeline, can save material resources because of having reduced engineering work load, because of having formed new architecture, can save a large amount of waterpower resourses, because of having changed water-carriage mode, the large-area land resources of regenerating.Comprehensively estimate, can save over ten billion or hundred million yuan of funds of hundreds of for project of South-to-North water diversion.
Description of drawings
Accompanying drawing 1 is the utility model pipe structure schematic representation.
Accompanying drawing 2 is the utility model accompanying drawing 1A-A place cross section view vertical with the body medial axis.
Accompanying drawing 3 is provided with the positioning table schematic representation for the utility model body.
Accompanying drawing 4 is the utility model single steel strand bobbin schematic representation.
Accompanying drawing 5 is three steel strand schematic representation of the utility model.
Accompanying drawing 6 is the utility model single steel strand overcoat plastic tube schematic representation
Accompanying drawing 7 is body side connecting band anchoring steel strand schematic representation for the utility model
Accompanying drawing 8 is the schematic representation that the utility model circular arc bobbin and body medial axis are provided with in vertical direction.
Accompanying drawing 9 is the schematic representation of rotation direction setting for the utility model body circular arc bobbin and body medial axis.
Accompanying drawing 10 is the utility model body parallel-connection structure schematic representation.
Accompanying drawing 11 is for the utility model body and connect cross-sectional end view.
Accompanying drawing 12 is for the utility model body and connect place's triangular shape link press span cross sectional representation.
Accompanying drawing 14 be on the utility model pipeline outer-layer skeleton the circular arc bobbin at inboard wall of tube body anchoring schematic representation.
Accompanying drawing 15 is the utility model load-bearing positioning table schematic representation.
Accompanying drawing 16 is the utility model connecting line connection diagram.
Accompanying drawing 17 is for the inner anchoring of three bodys of the utility model and connect schematic representation.
Accompanying drawing 13 is the utility model pipeline profile side elevation schematic representation.
In the accompanying drawings: 1 body, 2 outer skeletons, 3 circular arc bobbins, 4 middle level skeletons, 5 oblique bobbins, 6 connecting lines, 7 nexine skeletons, 8 vertical bobbins, 9 steel strand, 10 ground tackles, 11 preformed holes, 12 steel strand, 13 ground tackles, 14 connecting bands, 15 shock insulation layers, 16 load-bearing positioning tables, 17 bed courses, 18 link press spans, 19 afterburning holes, 20 construction lines, 21 pipelines, 22 decompressors, 23 high pressure expansion joints, 24 high pressure waterstops.
Embodiment
Below in conjunction with accompanying drawing the utility model is done to discuss in detail:
As shown in Figure 1, the utility model comprises concrete tube body 1 and is arranged on makes outer skeleton 2, middle level skeleton 4 and nexine skeleton 7 by ring muscle and vertical muscle in the body 1, be fixed with circular arc bobbin 3 on the outer skeleton 2, be fixed with oblique bobbin 5,6 on the middle level skeleton 4, nexine skeleton 7 is fixed with vertical bobbin 8, outer skeleton 2 and body connecting band 14 usefulness reinforcing bars are provided with vertical muscle and U-shaped muscle and outer skeleton 2 and connect together in connecting band, preformed hole 11 distributes at the connecting band end face.
Shown in accompanying drawing 1,3, the inboard of the utility model 1 internal and external layer skeleton 2 in body or arranged outside have on outer skeleton (2) and are set with circular arc bobbin 3, in the circular arc bobbin, be provided with and form the corresponding center of circle that intersects more than the endless tube body half-turn, be installed with in the circular arc bobbin through correspondence through drawing the steel strand 12 that produce ring orientation prestress, the upper and lower of body both sides connecting band 14 is provided with fixing to just intersecting the ground tackle 13 of steel strand 12.
Shown in accompanying drawing 1,2,3, the outside or the inboard of the middle level skeleton 4 that the utility model is provided with in body 1, or 5,6 fens left sides of the oblique bobbin that is provided with of innner and outer side tiltedly, the right side is tiltedly bidirectional crossed, forms netted.In oblique bobbin 5,6, be provided with the connection ground tackle 9 of steel strand 10, connect the steel strand 10 that ground tackle can anchoring body 1 end face, can also connect the steel strand 9 in the oblique bobbin 5,6 of next pipeline section.
Shown in accompanying drawing 1,2,3, the utility model has in vertical bobbin 8 in the arranged outside of the nexine bobbin 7 that is provided with in body 1, the steel strand 9 that are provided with through stretch-draw generation longitudinal prestressing, be provided with the fixedly connection ground tackle 10 of steel strand 9 in the end of body 1, with connecting the fixedly steel strand of body 1 end of ground tackle, can also connect the steel strand 9 of vertical bobbin of lower tube section.
Shown in accompanying drawing 1,3, the utility model is provided with load-bearing positioning table 16 in the bottom of body 1, is provided with bed course 17 in the bottom of load-bearing positioning table, is provided with shock insulation layer 15 between load-bearing positioning table 16 and body 1.
Shown in Fig. 1,4,5, circular arc type bobbin 3 that the utility model is provided with in body 1 and oblique bobbin 5,6 also have vertical bobbin 8, are provided with one or more steel strand.
Shown in accompanying drawing 1,6, the circular arc bobbin 3 that the utility model handle is provided with in body 1, oblique bobbin 5,6, vertically bobbin 8 scribbles lubricant oil in the available inwall, is with the plastic tube of steel strand 9 in pipe.
Shown in accompanying drawing 1,7, be provided with circular arc bobbin 3 at body 1, steel strand 12 are set in circular arc bobbin 3, the connecting band that is provided with in the body both sides after corresponding the intersection respectively in the anchoring of upper and lower position.
Shown in accompanying drawing 1,8, body 1 medial axis of the circular arc bobbin 3 that the utility model is provided with in body 1 in vertical direction, endless tube body 1 is uniform.
Shown in accompanying drawing 1,10, the utility model is dextrorotation or derotation direction in circular arc bobbin 3 and body medial axis that body 1 is provided with, and the endless tube body is uniform.
Shown in accompanying drawing 1,11, the utility model setting can be large and small the same 3 inside and outside footpaths, and the body 1 that body 1 structure is the same is connected in parallel, and also can connect together many bodys 1 in the same way.
Shown in accompanying drawing 1,11, the utility model setting 3 bodys 1 have been connected in parallel on, be provided with load-bearing positioning table 16 in the bottom of body 1, be provided with concrete cushion 17, between body 1 and load-bearing positioning table 16, be provided with shock insulation layer 17 in the bottom of load-bearing positioning table 16.Place in parallel is provided with afterburning hole 19 at body.
Shown in accompanying drawing 1,12, the utility model is provided with afterburning hole 19 at body 1 place in parallel, can be used for the balance body vertically, transverse stress.1 place in parallel is provided with special-purpose triangular shape link press span 18 in parallel at body, can be used for connecting body 1 structure.
Shown in accompanying drawing 1,13, the utility model is provided with decompressor 22 on body top, in work progress with oblique connection with vertically be connected technology, body 1 is connected into overlength pipeline 21,21 counterpart places are provided with high pressure expansion joint 23 at pipeline, at 23 places, high pressure expansion joint, be provided with high pressure waterstop 24.
Shown in accompanying drawing 14,15,16, the steel strand in the utility model arc bobbin 3 are in the inboard wall of tube body anchoring, and the ground tackle of adjacent two steel strand is connected by connecting line 6.
Hoop bobbin 3 described in the utility model can be fixed on the inboard or the outside of outer skeleton 2, also can encircle the corresponding stretch-draw anchor that intersects of skeleton, also can one enclose stretch-draw anchor, also rotatable multi-turn stretch-draw anchor around the home.Half-turn is provided with the metal bellows of using of corresponding intersection stretch-draw anchor, and the available inwall of single-turn or multi-turn rotation stretch-draw anchor scribbles the plastic tube of lubricant oil.
Steel strand described in the utility model are the high strength low relaxed steel strand that become by many high-tensile steel wires plying phase wringings, described circular arc bobbin, vertically bobbin can adopt metal bellows also can select for use inwall to scribble the plastic tube of lubricant oil, described metal bellows is to use thickness 0.38mm, width is the steel band of 35mm, the semicircle bobbin that rolls into machinery, with what be rolled into again after rolling into, the plastic tube that is surrounded by steel strand is made with special warfare, as press prestressed construction technology and divide, steel strand in the metal bellows belong to the bonding prestress muscle, and the prestressed tendon in the plastic tube belongs to no bonding prestress muscle.
Load-bearing positioning table 16 described in the utility model is to be used for the fondational structure that body 1 is made, the one, and in order to adapt to special complex geological conditions, the 2nd, for the flatness of body 1, the construction of straightness accuracy.Bed course is for auxilliary flat the foundation trench foundation, is convenient to the construction of load-bearing positioning table 16, is convenient to the parallel connection of body 1.
Connection anchoring described in the utility model is special single hole ground tackle or porous ground tackle, and function is to be used for the anchoring steel strand earlier, after be used to connect the steel strand of next tube coupling, can connect into the overlength pipeline that reaches 180 meters to some tube couplings.
Connection triangular shape link press span described in the utility model is made of metallic material, is in order to reinforce the parallel connection of body 1, to impel circumference stress, and the transverse stress configuration rationally reaches the whole purpose of offsetting of local pressure.
High pressure waterstop described in the utility model is made with composite material, forms by pressure-bearing part and hermetic unit, the machine shaping of usefulness special warfare, pressure can reach more than the 3.0Mpa in the body, guarantees water leakage phenomenon can not occur.
The internal diameter of the utility model body 1 is a 5-10 rice, wall thickness is a 0.30-0.55 rice, duct length is a 10-180 rice, with the preparation internal diameter is 8 meters, long 10 meters, pipe thickness is 0.45 meter and is example, its sequence of construction is as follows: at first be the making of skeleton, select for use the Twisted Steel of different size to make outer skeleton 2, middle level skeleton 4, nexine skeleton 7 respectively, steel strand are penetrated circular arc bobbin 3, oblique bobbin 5,6, vertical bobbin 8 respectively.Circular bobbin 3 is fixed on the outer skeleton 2, oblique bobbin 5,6 are fixed on the middle level skeleton 4, vertical bobbin 8 is fixed on the nexine skeleton 7, be placed on sequentially in the template of body 1 after above-mentioned whole skeletons and bobbin fixed, the concreting that stirs in the body template, reach sequentially and require shake to smash moulding, when body inner concrete intensity reaches 70%, install the ground tackle at body 1 each position, distinguish stretch-draw hoop steel strand 12 sequentially, oblique steel strand 9, vertical steel strand 9, distinguish anchoring with ground tackle after reaching the stretching force value, with vacuum pump being evacuated in the bobbin, inject high-grade cement slurry sequentially respectively, has irritated the slurry back and anchor hole is sealed put down, according to according to technical requirements form removal maintenance.
Body 1 described in the utility model can be provided with disjunctor pipeline 13 by working condition requirement, water flow size, can two the pipeline parallel connection also can many pipeline parallel connections, sequence of construction can be by the parallel simultaneously construction of the technical requirements of single pipe.The body joint with the special-purpose triangular shape link press span that connects the cannon born frame and connect together.
Electrical path length 7-180 rice in the body 5-10 rice described in the utility model can be by working condition requirement, and water flow pressure is provided with decompressor, the high pressure expansion joint that is provided with at pipeline counterpart place, and the making of can constructing continuously also can sectional making.
Inwall described in the utility model scribbles the plastic tube of lubricant oil, because of being no bonding prestress muscle, hale finish after, with the fixing back of ground tackle sealing off and covering anchorage, do not need grouting.
The utility model can satisfy in the project of South-to-North water diversion, the waterline of owner's main line south super-flow section, the needs of training works, can reach the purpose of water saving pollution treatment, environmental protection, the waterline that can also be used for main line middle part engineering, river, river, the inverted-siphon engineering on road, also can be used for passage over strait, subway engineering also can be used for the pollution treatment engineering, municipal engineering.
The utility model preparation process is as follows:
The making of first step load-bearing positioning table: in the foundation trench of holding successfully,, build blinding concrete, make the load-bearing positioning table after the initial set, and the connecting leg body is made the load-bearing positioning table simultaneously in the parallel lines starting point by the absolute altitude requirement.
The second step support outer moulding board: on the load-bearing positioning table, and the outer moulding board of connecting leg body utilizes the body end plate to connect, and is fixed on the load-bearing positioning table body outer moulding board support.
The 3rd step carcasing: make body outer skeleton, middle level skeleton and nexine skeleton with Twisted Steel.
The 4th step is bobbin fixedly: be fixed on the outer skeleton penetrating steel strand in the hoop bobbin.Be fixed on the skeleton of middle level penetrating steel strand in the oblique bobbin, be fixed on the nexine skeleton penetrating steel strand in vertical bobbin.The nexine skeleton, the middle level skeleton packs in the outer skeleton in order then, and connecting leg body and function connection triangular shape link press span connects together parallel skeleton.
The 5th step support outer moulding board: inner formword adopts automatic supported, utilizes the body end plate that inner and outer template is connected together.
The 6th step was built moulding: the concrete that stirs is injected in the pipe die by sequence of construction with high-pressure service pump, and moulding is smash in shake.
The 7th step stretch-draw anchor: treat that the body concrete strength reaches at 70% o'clock, carry out hoop stretch-draw by technological requirement, oblique stretch-draw, vertically stretch-draw, each position stretching force uses ground tackle the hoop steel strand after reaching standard, oblique steel strand, vertically steel strand anchoring respectively, and the afterburning hole of joint, connecting leg road carries out stretch-draw by technological requirement, steel strand fixed with ground tackle in the end.
The 8th step grouting sealing off and covering anchorage: use cement slurry the hoop bobbin, oblique bobbin, vertical bobbin, preformed hole, all fill with high-pressure service pump in afterburning hole, flat the anchor hole envelope with cement slurry.
The form removal maintenance of the 9th step: concrete strength reaches at 90% o'clock body template complete removal, carries out maintenance by technological requirement.
The continuously construction of the tenth step: first tube coupling or and the connecting leg tube coupling carry out the making of second tube coupling by above sequence of construction after finishing, can produce continuously and reach 180 meters length.
The 11 step was installed decompressor: according to the operating mode technical requirements, the internal pressure that high head produces is provided with decompressor.
The 12 step is by adorning the high pressure waterstop: body reaches when length is set, and by job specfication the high pressure waterstop is installed, and working pressure can reach more than the 3.0MPa.
The 13 step was made the high pressure expansion joint: with the high pressure waterstop body counterpart is connected together, reach high voltage bearing standard, and the connecting leg road can adopt two circle high pressure waterstops to connect, can construct continuously in the body expansion joint, also can reserve the back in making separately.
Claims (10)
1, a kind of super large flow pre-stressed water-saving pipeline, it comprises concrete tube body (1) and is arranged on the cylinder frame of being made by ring muscle and vertical muscle in the body (1), it is characterized in that described cylinder frame is by outer skeleton (2), middle level skeleton (4) and nexine skeleton (7) constitute, be fixed with circular arc bobbin (3) on the outer skeleton (2), be fixed with the oblique bobbin (5) of diagonal cross on the middle level skeleton (4), the outside of nexine skeleton is fixed with vertical bobbin (8), be provided with the steel strand (12) that produce centripetal-stress through stretch-draw in the circular arc bobbin (3), the both sides of body (1) are provided with the connecting band (14) that has preformed hole (11), connecting band (14) two sides is provided with the fixedly ground tackle (13) of steel strand (12), be provided with the steel strand (9) that produce oblique stress by ground tackle through stretch-draw in the oblique bobbin (5), vertically be provided with in the bobbin (8) by the fixing steel strand (9) that produce longitudinal stress through stretch-draw of ground tackle, be provided with load-bearing positioning table (16) in the body bottom, place in parallel is provided with triangular shape link press span (18) at body, is provided with high pressure expansion joint (23) at the body joint.
2, a kind of super large flow pre-stressed water-saving pipeline according to claim 1, it is characterized in that on outer skeleton (2), being set with the ring equally distributed circular arc bobbin of outer skeleton (3), in the circular arc bobbin, be provided with one or more and produce the steel strand (12) of centripetal-stress, the fixedly ground tackle (13) of steel strand (12) is arranged in the arranged outside of body (1) through stretch-draw.
3, a kind of super large flow pre-stressed water-saving pipeline according to claim 1 and 2, it is characterized in that being provided with in the outer skeleton (2) middle level skeleton (4), the outside or inboard being provided with at middle level skeleton (4) are the oblique bobbin (5) that intersection distributes, a left side is oblique, right tiltedly bidirectional crossed through drawing generation oblique prestressed steel strand (9) around the home to be provided with endless tube body (1) in oblique bobbin (5), is provided with the fixedly ground tackle (10) of steel strand (9) in body (1) end.
4, a kind of super large flow pre-stressed water-saving pipeline according to claim 1 and 2, it is characterized in that in the middle level skeleton (4) of body (1), being provided with nexine skeleton (7), arranged outside at nexine skeleton (7) has vertical bobbin (8), vertically being provided with one or more steel strand (9) in the bobbin, be provided with the fixedly connection ground tackle (10) of steel strand (9) in the end of body (1) through stretch-draw generation longitudinal prestressing.
5, a kind of super large flow pre-stressed water-saving pipeline according to claim 1 and 2, it is characterized in that scribbling in the available pipe of arc bobbin (3) plastic tube (3) of lubricant oil, be provided with through stretch-draw in plastic tube (3) and produce prestressed steel strand (12), arc bobbin (3) can be provided with the single many plastic tubes (3) that also can be provided with.
6, a kind of super large flow pre-stressed water-saving pipeline according to claim 1 and 2, it is characterized in that scribbling in oblique bobbin (5) and the vertical available inwall of bobbin (8) plastic tube (3) of lubricant oil, in plastic tube (3), be provided with the steel strand (9) that produce longitudinal prestressing through stretch-draw.
7, a kind of super large flow pre-stressed water-saving pipeline according to claim 1 and 2 is characterized in that body (1) can connect into 6-180 rice long pipeline (21).
8, a kind of super large flow pre-stressed water-saving pipeline according to claim 1 and 2, it is characterized in that being provided with positioning table (16) in the bottom of body (1), between positioning table (16) and body (1), be provided with shock insulation layer (15), below positioning table (16), be provided with concrete cushion (17).
9, a kind of super large flow pre-stressed water-saving pipeline according to claim 1 and 2, it is characterized in that being provided with the triangular shape link press span (18) that is used for the body parallel connection at body (1) place in parallel, outside the body parallel connection, be provided with afterburning hole (19) in the triangular shape link press span, in afterburning hole (19), be provided with one or more and produce prestressed steel strand (9), be provided with the fixedly ground tackle (10) of steel strand (9) in body (1) end, joint through stretch-draw.
10, a kind of super large flow pre-stressed water-saving pipeline according to claim 1 and 2 is characterized in that being provided with high pressure expansion joint (23) at pipeline (21) joint, locates to be provided with high pressure waterstop (24) in high pressure expansion joint (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620023589 CN2890555Y (en) | 2006-02-24 | 2006-02-24 | Ultra-big-flow prestress water saving pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620023589 CN2890555Y (en) | 2006-02-24 | 2006-02-24 | Ultra-big-flow prestress water saving pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2890555Y true CN2890555Y (en) | 2007-04-18 |
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ID=38021218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620023589 Expired - Fee Related CN2890555Y (en) | 2006-02-24 | 2006-02-24 | Ultra-big-flow prestress water saving pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2890555Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500856A (en) * | 2014-12-01 | 2015-04-08 | 武汉理工大学 | High-ductility concrete hollow pipe and manufacturing method thereof |
-
2006
- 2006-02-24 CN CN 200620023589 patent/CN2890555Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500856A (en) * | 2014-12-01 | 2015-04-08 | 武汉理工大学 | High-ductility concrete hollow pipe and manufacturing method thereof |
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