CN110080338A - A kind of gang form structure of pumping flow channel - Google Patents
A kind of gang form structure of pumping flow channel Download PDFInfo
- Publication number
- CN110080338A CN110080338A CN201910390268.3A CN201910390268A CN110080338A CN 110080338 A CN110080338 A CN 110080338A CN 201910390268 A CN201910390268 A CN 201910390268A CN 110080338 A CN110080338 A CN 110080338A
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- China
- Prior art keywords
- framed bent
- straightway
- arc section
- inner support
- panel
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B5/00—Use of pumping plants or installations; Layouts thereof
Abstract
The invention discloses a kind of novel compositions formwork structures of pumping flow channel, including inner support, straightway framed bent, arc section framed bent, panel, glass reinforced plastic composite layer, inner support is connected with straightway framed bent, arc section framed bent respectively, panel is arranged with straightway, arc section framed bent is connected, and glass reinforced plastic composite layer is connected with panel.Inner support is a kind of final primary template structure for bearing liquid concrete self weight and construction loads from framed bent, template straightway framed bent, the vertically and horizontally structure of arc section framed bent, oblique scissors support structure are support, inner support is spliced by left and right sides two symmetrical half inner supports.The structure has production simply, convenient to assemble and disassemble, low cost, it will be apparent that improves concrete surface presentation quality, it is durable to promote concrete.
Description
Technical field
The invention belongs to technical fields such as hydraulic and hydroelectric engineering, civil engineering, architectural engineering, municipal works, water supply projects,
It is more particularly to a kind of novel compositions formwork structure of pumping flow channel, especially suitable for keeping the molding construction of concreting interim
Support.
Background technique
In construction of pumping station, runner is the special-shaped normal concrete labyrinth of large volume, variable cross-section, for a long time,
It is excessive and other issues that crack, voids and pits, flatness are easy to appear in construction, these problems are often by template material and mould
Plate technique, formwork erection technology cause, and will exist on pumping plant performance, operational efficiency and significantly affect, therefore, template and its material skill
Art is to influence one of the critical issue of concrete quality.This requires promote the measure of concrete quality and its evaluation criteria not only
External environment and the material of concrete, construction technology, blast blending etc. locating for the concrete set about trying every possible means, more will be from
The initial process of concrete for making --- template material and production look for the breach of problem.
Plank sheathing be it is a kind of through frequently with conventional template, facilitate processing, be easy molding, tolerance low temperature, it is cheap, but
It is that concrete dehydration is more, and template deformation is big since water suction height often will cause, will lead to distress in concrete and out-of-flatness etc., even
Generally existing faulting of slab ends problem, radiating rate is slow, Temperature Controlling of Mass Concrete outstanding problem, and this requires carry out to traditional plank sheathing
Transformation.
Steel form is also the shortcomings that one kind can be avoided wooden template, but in figures such as pumping flow channel, draft tube of hydropower station
Complexity, inconvenience processing, inconvenience disassembly not can be recycled, and waste is larger, and high investment, which limits steel forms in pumping flow channel
Application in labyrinth.
Glass reinforced plastic (FRP) is commonly called as fibre-reinforced plastics (Fiber Reinforced Plastics) also known as glass fibers
Reinforced plastics is tieed up, because fiber type difference is divided into glass fiber reinforced composite plastics (GFRP), fibre reinforced composite plastic
(CFRP), boron fibre enhancing composite plastic etc..With high-strength light, corrosion-resistant, insulation and thermal insulation, performance is stable, designability is good,
Therefore the excellent feature of processing performance can neatly design various infrastructure products to meet requirement according to need, can make to produce
Product have good globality, moulding process can be neatly selected according to shape of product, technical requirements, purposes and quantity, especially
Complex-shaped, not easily molded, quantity is few product, one-pass molding rear surface is highly polished, and economic effect is prominent, simple process,
It is excellent.
If being allowed to be combined with glass reinforced plastic by improving wooden formwork structure, the advantages of this will keep plank sheathing, and
Avoid its disadvantage, have both steel form smoothness advantage, the design plasticity for giving full play to glass-reinforced plastic material is strong, product integral into
Type is good, suitable shapes are complicated, surface smoothness is high, light high-strength, corrosion-resistant, insulation and thermal insulation, performance stablize excellent feature, no
Only formwork structure is easy to make, easy for assemble or unload, and operation effect improves, and deformation adaptability is good, and the smooth water suction in surface is few,
Water penetration is low；Both the physical and mechanical property for having improved concrete structure, it is excessive to avoid runner concrete faulting of slab ends, increases coagulation
Native surface smoothness is conducive to concrete heat dissipation, also reduces distress in concrete quantity and width, improve the durable of concrete
Property, it is clear that develop a kind of novel compositions formwork structure of pumping flow channel be also it is very necessary, will also have highly important reason
By with realistic meaning.
Summary of the invention
The purpose of the invention is to provide a kind of novel compositions formwork structure of pumping flow channel, which has production
Simply, convenient to assemble and disassemble, low cost, it will be apparent that the advantages that improving concrete surface presentation quality, promoting concrete durability.
To achieve the goals above, the present invention uses following technical scheme.
A kind of novel compositions formwork structure of pumping flow channel, including inner support, straightway framed bent, arc section framed bent, panel,
Glass reinforced plastic composite layer, it is characterised in that: inner support is connected with straightway framed bent, arc section framed bent respectively, panel respectively with straight line
Section row, arc section framed bent are connected, and glass reinforced plastic composite layer is connected with panel.
It is main with construction loads that the inner support is a kind of final liquid concrete self weight born from framed bent
Formwork structure, supports template straightway framed bent, the vertically and horizontally structure of arc section framed bent, oblique scissors support structure, inner support by
Left and right sides two symmetrical half inner supports are spliced.
The inner support is mutual, inner support passes through wire nail using wooden gusset plate with oblique scissors support structure and connects
It connects.
The straightway framed bent, arc section framed bent are one kind perpendicular to inner support, subject the load that panel transmits, and
The template force structure for delivering load to inner support plays a part of connecting each Pin inner support of template, improves each Pin inner support
Lateral stiffness,
The straightway framed bent is spliced by left and right sides two symmetrical straightway framed bents and arc section framed bent, straight line framed bent
Between each other, it is connect using wooden gusset plate by wire nail between inner support.
The arc section framed bent is perpendicular to the template force structure of inner support, and arc section framed bent is right by left and right sides two
The straightway framed bent and arc section framed bent of title splice, and straight line framed bent is between each other using wooden between inner support, straight line framed bent
Gusset plate is connected by wire nail.
The panel perpendicular to inner support, straightway framed bent, arc section framed bent formwork structure, by 4-10 support
It is formed in the solid wood board of straightway framed bent, arc section framed bent, panel is connect with straight line framed bent section, circular arc framed bent section with wire nail.
The glass reinforced plastic composite layer is glass reinforced plastic, it is with glass fibre and its product (glass cloth, band, felt, yarn etc.)
As reinforcing material, make a kind of composite material of basis material with synthetic resin.Surface is smooth, seamless, there is certain intensity
With rigidity, it is ensured that the presentation quality of formation of concrete is good.
By above-mentioned technical measures, the component of most critical is glass reinforced plastic composite layer, mainly solving the technical problems that: wood
For template since water suction height causes concrete dehydration more, template deformation is big, leads to distress in concrete and out-of-flatness or even generally existing
Faulting of slab ends problem, radiating rate is slow, Temperature Controlling of Mass Concrete outstanding problem；Steel form is used in pumping flow channel labyrinth
Although can overcome the problems, such as that plank sheathing exists, there is inconvenient processing in steel form, and inconvenience disassembly not can be recycled, waste compared with
Greatly, the problem of high investment.
Technical measures through the invention, what is reached has the technical effect that by improving wooden formwork structure, is allowed to and glass reinforced plastic
It is combined, the advantages of this will keep plank sheathing, and avoids its disadvantage, have both steel form smoothness advantage, the present invention
The formwork structure of offer is easy to make, easy for assemble or unload, and operation effect improves, and deformation adaptability is good, the smooth suction in surface
Water is few, and water penetration is low；Both the physical and mechanical property for having improved concrete structure, it is excessive to avoid runner concrete faulting of slab ends, increases
Concrete finish is conducive to concrete heat dissipation, also reduces distress in concrete quantity and width, improve concrete
Durability.
Compared with prior art, the present invention having the following advantages and beneficial effects:
(1) a kind of novel compositions formwork structure of pumping flow channel is not only easy to make, easy for assemble or unload, and operation effect mentions
Height, and deformation adaptability is good, and the smooth water suction in surface is few, and water penetration is low.
(2) a kind of novel compositions formwork structure of pumping flow channel had both improved the physical and mechanical property of concrete structure, kept away
It is excessive to have exempted from runner concrete faulting of slab ends, has increased concrete finish, has been conducive to concrete heat dissipation, also reduces concrete
Crack quantity and width improve the durability of concrete.
(3) the novel compositions formwork structure of a kind of pumping flow channel improves template material and form technology, formwork erection technology,
It avoids that be easy to appear crack, voids and pits, flatness in construction excessive and other issues, ensure that concrete quality is more excellent,
Significantly improve pumping plant performance, unit operation efficiency.
Detailed description of the invention
Fig. 1 is a kind of pumping flow channel curved segment transition template connection signal of the novel compositions formwork structure of pumping flow channel
Figure；
Fig. 2 is a kind of pumping flow channel curved segment circular shuttering connection schematic diagram of the novel compositions formwork structure of pumping flow channel；
A kind of connection schematic diagram of the Fig. 3 between support system；
Fig. 4 is a kind of pumping flow channel constructional appearance perspective view；
Wherein: 1- inner support, 2- straightway framed bent, 3- arc section framed bent, 4- panel, 5- glass reinforced plastic composite layer,
6- gusset plate, 7- pass through wire nail, 8- bridging, 9- runner curved segment, 10- runner curved segment, 11- runner straightway, 12-
Pumping flow channel structure.
Specific embodiment
Embodiment 1:
As shown in Figure 1, a kind of rectangle of the novel compositions formwork structure of pumping flow channel is combined with the generality that circular arc forms
Comprehensive section, including inner support 1, straightway framed bent 2, arc section framed bent 3, panel 4, glass reinforced plastic composite layer 5.It is characterized by:
Inner support 1 is connected with straightway framed bent 2, arc section framed bent 3 respectively, and panel difference 4 arranges 2,3 phase of arc section framed bent with straightway
Even, glass reinforced plastic composite layer 5 is connected with panel 4.Inner support 1 is a kind of main force structure of template, support straightway framed bent 2,
The vertically and horizontally structure of arc section framed bent 3, oblique scissors support structure, inner support 1 are spliced by left and right sides two symmetrical half inner supports 1
It forms.Inner support 1 is mutual, inner support 1 is connect using wooden gusset plate by wire nail with oblique scissors support structure.Wooden section
Contact plate connection schematic diagram such as Fig. 4.
The straightway framed bent 2 is a kind of template force structure perpendicular to inner support 1, straightway framed bent 2 and circular arc
Section plays a part of for one of framed bent 3 connecting each Pin inner support 1 of template, improves the lateral stiffness of each Pin inner support 1, straightway framed bent
2 are made of left and right sides two symmetrical straightway framed bents 2 and the splicing of arc section framed bent 3.Straight line framed bent 2 between each other, with interior branch
It is connected using wooden gusset plate 6 by wire nail 7 between support 1.
The arc section framed bent 3 is a kind of template force structure perpendicular to inner support 1, arc section framed bent 3 and straight line
Section plays a part of for one of framed bent 2 connecting each Pin inner support 1 of template, improves the lateral stiffness of each Pin inner support 1, arc section framed bent
3 are made of left and right sides two symmetrical straightway framed bents 2 and the splicing of arc section framed bent 3.Straight line framed bent 3 between each other, with interior branch
It is connected using wooden gusset plate 6 by wire nail 7 between support 1, straight line framed bent 2.
Panel 4 be it is a kind of perpendicular to inner support 1, straightway framed bent 2, arc section framed bent 3 template stress secondary structure, be
Straightway framed bent 2 is supported in by a plurality of (4-10 item), the solid wood board of arc section framed bent 3 forms, play so that liquid concrete at
Type is the effect of solid concrete that is designing curved-surface shape.Panel 4 and straight line framed bent section 2, circular arc framed bent section 3 are connected using wire nail 7
It connects, gap and significant depressions position thereon is filled using blade coating poly-putty base on panel 4, to ensure the good attachment of glass reinforced plastic
Power.
Glass reinforced plastic composite layer 5 mainly includes glass reinforced plastic and exterior paint, be it is a kind of by alkali-free fiber cloth make framework material with
And adhesive is made by the glue that saturated polyester resin, curing agent, promotor are deployed, by being laid with solidification, polished finishing, doing
Composite layer made of the processes such as double-component polyurethane paint is sprayed on dry glass reinforced plastic, toughness is high, easily molded, permeable low, surface light
Bright, concrete compaction after demoulding, surface is smooth, and runner local head loss is small, and anti-cavitation performance is good, and water pump operation performance is steady
Fixed, water pump assembly overall efficiency is higher.
As shown in Fig. 2, being a kind of round admission section of the novel compositions formwork structure of pumping flow channel, and by Fig. 1
It is general combine comprehensive section by gradual change to tunnel inlets, rectangular cross section disappears, thus degenerated by Fig. 1 be Fig. 2 it is round this
One special cross section；It is disappeared by circular cross section when Fig. 1 gradual change to runner exit, just degenerating is that (rectangle is disconnected for rectangle this special cross section
Face is simple, and corresponding internal model support is identical as Fig. 1, is omitted here).
Gusset plate detail drawing as shown in Figure 3 indicates the reinforcing scissors in Fig. 1, Fig. 2 between inner support 1, straightway framed bent 2
Support 8 is the attachment structure schematic diagram between the support system being interconnected and fixed by wire nail 7 and gusset plate 6.
Pumping flow channel constructional appearance perspective view as shown in Figure 4, panel 4 is by pumping flow channel structure 12, runner curved segment 9, stream
Road curved segment 10, runner straightway 11 form, and wherein runner curved segment 9 is by several (4- in the round import template of Fig. 2, Fig. 1
10) equal inner support 1, straightway framed bent 2, arc section framed bent 3 do not pass through panel 4,5 gradual change connection group of composite layer for a size
At；Runner curved segment 10 is the inner support 1 not waited by several (4-10) sizes in Fig. 1, straightway framed bent 2, arc section row
Frame 3 is made up of panel 4,5 gradual change of composite layer connection；Runner straightway 11 is by several (4-10) sizes in Fig. 1
Equal inner support 1, straightway framed bent 2, arc section framed bent 3 be not by panel 4,5 gradual change of composite layer connection composition, until moving back when outlet
Turn to rectangular cross section inner support；Runner curved segment 9, runner curved segment 10, each inner support 1 of runner straightway 11, straightway framed bent in Fig. 4
2, arc section framed bent 3 is formed by connecting by panel 4,5 gradual change of composite layer as the pumping flow channel structure 12 in Fig. 4；Panel in other words
4, composite layer 5 is supported on inner support 1, straightway framed bent 2, on arc section framed bent 3, and is fixed by pin, to form in Fig. 4
Runner curved segment 9, runner curved segment 10, runner straightway 11.It is this by 11 runner curved segment 9, runner curved segment 10, runner straightway groups
At pumping flow channel template conform exactly to runner figure, more preferably required with meeting pumping flow channel HYDRODYNAMIC CONDITION RELATING TO.
The preferred embodiment of the present invention has been described above in detail, still, however it is not limited to specific in above embodiment
Details can carry out a variety of equivalents to technical solution of the present invention, these are equivalent within the scope of the technical concept of the present invention
Transformation all belongs to the scope of protection of the present invention.
A kind of novel compositions formwork structure of pumping flow channel of the present invention, it is simple easy to make, easy for assemble or unload,
Operation effect improves；It is good that adaptability is deformed when template use, the smooth water suction in surface is few, and water penetration is low；It can during pumping station operation
The physical and mechanical property for improving concrete structure, avoids runner concrete faulting of slab ends excessive, increases concrete finish, favorably
It radiates in concrete, distress in concrete quantity and width can also be reduced, improve the durability of concrete.Therefore, the present invention exists
Used in the Tong Jiahu construction of pumping station of Wuhan City, Hubei Province, effect is obvious, meanwhile, also will hydraulic and hydroelectric engineering, civil engineering,
Concreting molding construction temporary support structure in one of the fields such as architectural engineering, municipal works, water supply project will have
There are more wide development and application prospect.
Claims (8)
1. a kind of novel compositions formwork structure of pumping flow channel, including inner support (1), straightway framed bent (2), arc section framed bent
(3), panel (4), glass reinforced plastic composite layer (5), it is characterised in that: inner support (1) is arranged with straightway framed bent (2), arc section respectively
Frame (3) is connected, and panel (4) is connected with straightway row (2), arc section framed bent (3) respectively, glass reinforced plastic composite layer (5) and panel (4)
It is connected.
2. a kind of novel compositions formwork structure of pumping flow channel according to claim 1, it is characterised in that: the interior branch
Support (1) is a kind of template force structure, and straightway framed bent (2), arc section framed bent (3) are vertically and horizontally structure, oblique bridging knot
Structure, inner support (1) are spliced by left and right sides two symmetrical half inner supports (1).
3. a kind of novel compositions formwork structure of pumping flow channel according to claim 1, it is characterised in that: the interior branch
Support (1) is mutual, inner support (1) is connect using wooden gusset plate (6) by wire nail (7) with oblique bridging (8) structure.
4. a kind of novel compositions formwork structure of pumping flow channel according to claim 1, it is characterised in that: the straight line
Section framed bent (2) is spliced by left and right sides two symmetrical straightway framed bents (2) and arc section framed bent (3), straight line framed bent (2) it is mutual it
Between, connect by wire nail (7) using wooden gusset plate (6) between inner support (1).
5. a kind of novel compositions formwork structure of pumping flow channel according to claim 1, it is characterised in that: the circular arc
Section framed bent 3 is perpendicular to the template force structure of inner support 1, and arc section framed bent (3) is arranged by left and right sides two symmetrical straightways
Frame (2) and arc section framed bent (3) are spliced, and straight line framed bent (3) uses between (2) with inner support (1), straight line framed bent between each other
Wooden gusset plate (6) is connected by wire nail (7).
6. a kind of novel compositions formwork structure of pumping flow channel according to claim 1, it is characterised in that: the panel
(4) perpendicular to inner support (1), straightway framed bent (2), arc section framed bent (3) formwork structure, straight line is supported in by 4-10
The solid wood board composition of section framed bent (2), arc section framed bent (3), panel (4) and straight line framed bent section (2), circular arc framed bent section (3) circle
Follow closely (7) connection.
7. a kind of novel compositions formwork structure of pumping flow channel according to claim 1, it is characterised in that: the interior branch
Reinforcing bridging (8) between support (1), straightway framed bent (2) is interconnected and fixed by wire nail (7) and gusset plate (6)
Connection between support system.
8. a kind of novel compositions formwork structure of pumping flow channel according to claim 1, it is characterised in that: the panel
(4) it is made of pumping flow channel structure (12), runner curved segment (9), runner curved segment (10), runner straightway (11), runner curved segment (9)
Panel is passed through by round import template, 4-10 size inner support (1) not etc., straightway framed bent (2), arc section framed bent (3)
(4), composite layer (5) connects；Runner curved segment (10) is by the not equal inner support (1) of 4-10 size, straightway framed bent (2), circular arc
Section framed bent (3) is connected by panel (4), composite layer (5)；The inner support that runner straightway (11) is not waited by 4-10 size
(1), straightway framed bent (2), arc section framed bent (3) are connected by panel (4), composite layer (5), runner curved segment (9), runner curved segment
(10), runner straightway (11) each inner support (1), straightway framed bent (2), arc section framed bent (3) pass through panel (4), composite layer
(5) pumping flow channel structure (12) are connected into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910390268.3A CN110080338A (en) | 2019-05-10 | 2019-05-10 | A kind of gang form structure of pumping flow channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910390268.3A CN110080338A (en) | 2019-05-10 | 2019-05-10 | A kind of gang form structure of pumping flow channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110080338A true CN110080338A (en) | 2019-08-02 |
Family
ID=67419612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910390268.3A Pending CN110080338A (en) | 2019-05-10 | 2019-05-10 | A kind of gang form structure of pumping flow channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110080338A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952511A (en) * | 2019-12-21 | 2020-04-03 | 福建省中达建设发展有限公司 | Pump station flow passage construction method |
| CN113529860A (en) * | 2021-07-20 | 2021-10-22 | 中国一冶集团有限公司 | Construction method and device for assembling runner templates of auxiliary pump station |
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| US20030034576A1 (en) * | 2001-08-20 | 2003-02-20 | Matthew Russell | Methods and apparatus for forming concrete structures |
| KR20120092894A (en) * | 2011-02-14 | 2012-08-22 | 한국건설기술연구원 | Slip form with lightweight frp plate |
| CN106121214A (en) * | 2016-06-27 | 2016-11-16 | 中鑫崃山控股有限公司 | Glass steel composite wooden template and production technology |
| CN108560905A (en) * | 2018-04-20 | 2018-09-21 | 三峡大学 | A kind of the Combined hydraulic Special-shaped Steel Formwork and method for dismounting of energy reuse |
| CN211006858U (en) * | 2019-05-10 | 2020-07-14 | 湖北水总水利水电建设股份有限公司 | Combined die plate structure of pump station runner |
-
2019
- 2019-05-10 CN CN201910390268.3A patent/CN110080338A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030034576A1 (en) * | 2001-08-20 | 2003-02-20 | Matthew Russell | Methods and apparatus for forming concrete structures |
| KR20120092894A (en) * | 2011-02-14 | 2012-08-22 | 한국건설기술연구원 | Slip form with lightweight frp plate |
| CN106121214A (en) * | 2016-06-27 | 2016-11-16 | 中鑫崃山控股有限公司 | Glass steel composite wooden template and production technology |
| CN108560905A (en) * | 2018-04-20 | 2018-09-21 | 三峡大学 | A kind of the Combined hydraulic Special-shaped Steel Formwork and method for dismounting of energy reuse |
| CN211006858U (en) * | 2019-05-10 | 2020-07-14 | 湖北水总水利水电建设股份有限公司 | Combined die plate structure of pump station runner |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952511A (en) * | 2019-12-21 | 2020-04-03 | 福建省中达建设发展有限公司 | Pump station flow passage construction method |
| CN113529860A (en) * | 2021-07-20 | 2021-10-22 | 中国一冶集团有限公司 | Construction method and device for assembling runner templates of auxiliary pump station |
| CN113529860B (en) * | 2021-07-20 | 2024-03-29 | 中国一冶集团有限公司 | Construction method and device for assisting assembly of pump station runner templates |
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