CN105648991B - The construction method of power station bulb-type tubular hydro set flow passage gradual change section - Google Patents
The construction method of power station bulb-type tubular hydro set flow passage gradual change section Download PDFInfo
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- CN105648991B CN105648991B CN201511024030.7A CN201511024030A CN105648991B CN 105648991 B CN105648991 B CN 105648991B CN 201511024030 A CN201511024030 A CN 201511024030A CN 105648991 B CN105648991 B CN 105648991B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
- E02B9/02—Water-ways
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of construction method of power station bulb-type tubular hydro set runner tail water transition, comprise the following steps：Pre-formed conical gradual change template；Transition reinforcing bar below colligation runner center line；Conical gradual change template below runner center line is installed；Mounting plane side form；Set up a first full frame；Storehouse side form below runner center line is installed；End socket template below runner center line is installed；Pour the runner tail water transition below runner center line；Remove a first full frame；Lower-left gradual change template and bottom right gradual change template are stripped；Set up a second full frame；Conical gradual change template above runner center line is installed；Mounting plane backform；Transition reinforcing bar above colligation runner center line；Storehouse side form above runner center line is installed；End socket template above runner center line is installed；Pour runner tail water transition above runner center line；Remove a first full frame and a second full frame and each template.The problems such as high, the transport difficulty of the cost that prefabricated tail water section is brought are avoided that using this method.
Description
Technical field
The invention belongs to power station bulb-type tubular hydro set runner technical field of construction, and in particular to a kind of tubular machine in power station
The construction method of group runner tail water transition.
Background technology
Powerhouse of hydropower station bulb-type tubular hydro set runner tail water gradual change diffuser, such as the huge booth powerhouse of hydropower station in Shaanxi Province Ningqiang County
Not only width is gradually expanding tail water gradual change diffuser on Parallel to the flow direction, and height also becoming larger, its build by
Circle gradually becomes square.Section is different, curved surface is more, and the installation to template in construction brings great challenge.How to design
It is a kind of being capable of pouring and fast and effectively template construction method for power station bulb-type tubular hydro set flow passage gradual change section, it has also become this
Art personnel technical problem urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency of the prior art, there is provided a kind of power station bulb-type tubular hydro set runner
The construction method of transition.The cast-in-place construction of tail water section can be realized using the construction method, it is to avoid using the prefabricated institute of tail water section
The problem such as the cost brought is high, transport difficulty is big.
To achieve the above object, the technical solution adopted by the present invention is：Power station bulb-type tubular hydro set runner tail water transition
Construction method, it is characterised in that comprise the following steps：
Step 1: conical gradual change template is prefabricated：Multiple arcs template is fixed on to corresponding arc steel truss first
To constitute tapered panel supporter on frame, then the tapered panel supporter is spaced successively and is laid on steel skeleton, it is multiple
Bearing of trend of the length of the tapered panel supporter along steel skeleton gradually increases, and tapered panel finally is fixed on into multiple institutes
State on arc formwork, so as to complete the prefabricated of conical gradual change template；
Step 2: the colligation of runner center line lower section transition reinforcing bar；
Step 3: the installation of runner center line lower section conical gradual change template：Two conical gradual change templates are chosen, by two cones
Shape gradual change model sheetinstallat is on runner tail water transition corner block, and a conical gradual change template is another as lower-left gradual change template
Individual conical gradual change template is as bottom right gradual change template, and the lower-left gradual change template and bottom right gradual change template are on runner tail water gradual change
Section corner block is symmetrical；
Step 4: the installation of plane side form：Left plane side form is installed in the lower-left gradual change template, in the bottom right gradually
Become in template and right plane side form is installed；
Step 5: first expires setting up for a frame：Set up to support lower-left on the runner tail water transition corner block
Gradual change template, bottom right gradual change template, a first full frame of left plane side form and right plane side form；
Step 6: the installation of runner center line lower section storehouse side form：First left side is set in the left side of the left plane side form
Storehouse side form, and set up on the outside of the described first left storehouse side form the left support frame for being supported to it；In the right plane
The right side of side form sets the first right storehouse side form, and sets up on the outside of the described first right storehouse side form the right side for being supported to it
Support frame；
Step 7: the installation of runner center line lower section end socket template：Set in runner tail water transition upstream side on first
End socket template is swum, and the upstream support frame for being supported to it is set up on the outside of the first upstream end socket template, in runner
Tail water transition downstream sets the first downstream end socket template, and set up on the outside of the first downstream end socket template for pair
Its downstream support frame supported；
Step 8: runner tail water transition below runner center line is poured：To the first upstream end socket template, institute
State the first downstream end socket template, the first left storehouse side form, the first right storehouse side form, left plane side form, right plane side form, lower-left gradually
Become casting concrete in the space that template and bottom right gradual change template are surrounded and form lower concreting body；
Step 9: first full frame is removed；
Step 10: lower-left gradual change template and bottom right gradual change template are stripped；
Step 11: recovering a first full frame and setting up a second full frame：Recover a first full frame, and it is full described first
A second full frame is set up on the basis of hall frame；
Step 12: the installation of runner center line top conical gradual change template：Choose two conical gradual change moulds being stripped
Plate, by a conical gradual change model sheetinstallat on left plane side form using as upper left gradual change template, by another conical gradual change mould
Plate is arranged on right plane side form so that as upper right gradual change template, upper left gradual change template and upper right the gradual change template is on runner
Tail water transition corner block is symmetrical, and upper left gradual change template and upper right gradual change template are carried out by a described second full frame
Support；
Step 13: the installation of plane backform：Plane backform is arranged on the upper left gradual change template and upper right gradual change mould
Between plate, the left side of the plane backform is connected with the top of the upper left gradual change template, by the plane backform
Right edge is connected with the top of the upper right gradual change template；
Step 14: the colligation of runner center line top transition reinforcing bar；
Step 15: the installation of runner center line top storehouse side form：Second is installed on the described first left storehouse side form
Left storehouse side form, and continue to set up the left support frame with the fixed second left storehouse side form；In the described first right storehouse side
Second right storehouse side form is installed on mould, and continues to set up the right support frame with the fixed second right storehouse side form；
Step 16: the installation of runner center line top end socket template：Is installed in the first upstream end socket template
Two upstream end socket templates, and the second upstream end socket template is fixed on the upstream support frame, in the first downstream end socket
Second downstream end socket template is installed in template, and the second downstream end socket template is fixed on the downstream support frame；
Step 17: runner tail water transition is poured above runner center line：To the second upstream end socket template, institute
State the second downstream end socket template, the second left storehouse side form, the second right storehouse side form, upper right gradual change template, upper left gradual change template and
Casting concrete is to form the upper concreting being connected with the lower concreting body phase in the space that plane backform is surrounded
Body；
Step 18: the dismounting of a first full frame and a second full frame and each template.
The construction method of above-mentioned power station bulb-type tubular hydro set runner tail water transition, it is characterised in that：In the left branch
Be provided on support through the first left storehouse side form and be connected in lower-left gradual change template and left plane side form it is first left right
Draw screw rod；It is provided in the left support frame through the second left storehouse side form and is connected to upper left gradual change template and left plane
The second left Screw arbor with nut at both-ends on side form；It is provided in the right support frame through the first right storehouse side form and is connected to bottom right
The first right Screw arbor with nut at both-ends in gradual change template and right plane side form；It is provided in the right support frame through the second right storehouse number
Side form and the second right Screw arbor with nut at both-ends being connected in upper right gradual change template and right plane side form.
The construction method of above-mentioned power station bulb-type tubular hydro set runner tail water transition, it is characterised in that：It is described pouring
During lower concreting body, lateral wall, the lateral wall of bottom right gradual change template, left plane side form in the lower-left gradual change template
The lateral wall of lateral wall and right plane side form is respectively provided with PUC plates；When pouring concreting body on described, in the upper left gradually
Lateral wall, the lateral wall of upper right gradual change template and the lateral wall of plane backform for becoming template are respectively provided with PUC plates.
The construction method of above-mentioned power station bulb-type tubular hydro set runner tail water transition, it is characterised in that：Described first expires
Hall frame, the second full a frame, left support frame, right support frame, the upstream support frame and downstream support frame are taken using steel pipe
If.
The construction method of above-mentioned power station bulb-type tubular hydro set runner tail water transition, it is characterised in that：The arc mould
Plate and tapered panel are made by plank.
The construction method of above-mentioned power station bulb-type tubular hydro set runner tail water transition, it is characterised in that：The taper surface
Plate is made up of the splicing of multiple battens.
The construction method of above-mentioned power station bulb-type tubular hydro set runner tail water transition, it is characterised in that：The taper surface
The thickness of plate is 50mm~60mm.
The present invention has advantages below compared with prior art：
1st, the present invention using conical gradual change template as lower-left gradual change template, bottom right gradual change template, upper left gradual change template and
Upper right gradual change template, and plane backform, left plane side form and right plane side form cooperate, and cleverly realize tail water Duan Yuan
Mouth end smoothly transitting to square opening end, so as to realize the cast-in-place construction of tail water section, it is to avoid brought using tail water section is prefabricated
Cost is high, the problem such as transport difficulty is big.
2nd, in the present invention, lower-left gradual change template and bottom right gradual change template are stripped, so that convenient above runner center line
Used during runner tail water transition pouring construction, saved construction cost.
3rd, the tapered panel and arc formwork that the present invention is made of plank, one side light weight, are easy to carry, the opposing party
Face is convenient material drawing.
4th, cost of implementation of the invention is low, and using effect is good, is easy to promote the use of.
Below by drawings and examples, technical scheme is described in further detail.
Brief description of the drawings
Fig. 1 is flow chart of the method for the present invention.
Fig. 2 is the structural representation of conical gradual change template of the present invention.
Fig. 3 is the cross-sectional configuration schematic diagram of conical gradual change template of the present invention.
Fig. 4 is the laying relation schematic diagram of lower-left gradual change template, bottom right gradual change template and plane bed die in the present invention.
Fig. 5 is the laying relation schematic diagram of upper left gradual change template, upper right gradual change template and plane backform in the present invention.
Fig. 6 is the structural representation of " circle change side " the tail water section being made of the present invention.
Description of reference numerals:
1-arc formwork；2-arc steel truss；
3-tapered panel；4-steel skeleton；
5-lower-left gradual change template；6-bottom right gradual change template；
7-runner tail water transition corner block；8-left plane side form；
9-right plane side form；10-the first full frame；
11-left support frame；12-right support frame；
13-the first left storehouse side form；14-the first right storehouse side form；
15-the first left Screw arbor with nut at both-ends；16-the first right Screw arbor with nut at both-ends；
17-runner center line；18-lower concreting body；
19-the second left storehouse side form；20-the second right storehouse side form；
21-upper left gradual change template；22-upper right gradual change template；
23-the second full frame；24-the second left Screw arbor with nut at both-ends；
25-the second right Screw arbor with nut at both-ends；26-plane backform；
27-" circle change side " tail water section the latter half；28-" circle change side " tail water section top halfs；
29-round mouth end；30-square opening end.
Embodiment
A kind of construction method of power station bulb-type tubular hydro set runner tail water transition as shown in Fig. 1~Fig. 6, including it is following
Step：
Step 1: conical gradual change template is prefabricated：Multiple arcs template 1 is fixed on to corresponding arc steel truss first
To constitute tapered panel supporter on frame 2, then the tapered panel supporter is spaced successively and is laid on steel skeleton 4, it is many
Bearing of trend of the length of the individual tapered panel supporter along steel skeleton 4 gradually increases, and is finally fixed on tapered panel 3 many
On the individual arc formwork 1, so as to complete prefabricated (as shown in Figures 2 and 3) of conical gradual change template；In the present embodiment, institute
The quantity for stating conical gradual change template is two.
Step 2: the colligation of the lower section transition reinforcing bar of runner center line 17；
Step 3: the installation of the lower section conical gradual change template of runner center line 17：Two conical gradual change templates are chosen, by two
Conical gradual change model sheetinstallat on runner tail water transition corner block 7, a conical gradual change template as lower-left gradual change template 5,
Another conical gradual change template is as bottom right gradual change template 6, and the lower-left gradual change template 5 and bottom right gradual change template 6 are on runner
Tail water transition corner block 7 is symmetrical；
Step 4: the installation of plane side form：Left plane side form 8 is installed in the lower-left gradual change template 5, in the bottom right
Right plane side form 9 is installed in gradual change template 6；
Step 5: first expires setting up for a frame 10：Set up to support a left side on the runner tail water transition corner block 7
Lower gradual change template 5, bottom right gradual change template 6, a first full frame 10 of left plane side form 8 and right plane side form 9；
Step 6: the installation of the lower section storehouse side form of runner center line 17：First is set in the left side of the left plane side form 8
Left storehouse side form 13, and set up the left support frame 11 for being supported to it in the outside of the described first left storehouse side form 13；Institute
The right side for stating right plane side form 9 sets the first right storehouse side form 14, and sets up use in the outside of the described first right storehouse side form 14
In the right support frame 12 supported to it；
Step 7: the installation of the lower section end socket template of runner center line 17：First is set in runner tail water transition upstream side
Upstream end socket template, and the upstream support frame for being supported to it is set up on the outside of the first upstream end socket template, in stream
Road tail water transition downstream sets the first downstream end socket template, and sets up and be used on the outside of the first downstream end socket template
The downstream support frame supported to it；
In the present embodiment, the upstream support frame, left support frame 11, the downstream support frame are mutually interconnected with right support frame 12
Connect to form support waling.
Step 8: the runner tail water transition of the lower section of runner center line 17 is poured：To the first upstream end socket template,
The first downstream end socket template, the first left storehouse side form 13, the first right storehouse side form 14, left plane side form 8, right plane side form
9th, casting concrete forms lower concreting body 18 in the space that lower-left gradual change template 5 and bottom right gradual change template 5 are surrounded；
Step 9: a first full frame 10 is removed；A described first full frame 10 is removed and has facilitated the He of lower-left gradual change template 5
The demoulding of bottom right gradual change template 6.In work progress, it is considered to construction cost, a first full frame 10 is not removed entirely, as long as will can flow
The lower-left gradual change template 5 and bottom right gradual change template 6 of the lower section of road center line 17 are taken out.
Step 10: lower-left gradual change template 5 and bottom right gradual change template 6 are stripped；
In the present embodiment, lower-left gradual change template 5 and bottom right gradual change template 6 are stripped, so that convenient in runner center line 17
Used during the runner tail water transition pouring construction of top, saved construction cost.
Step 11: recovering a first full frame 10 and setting up a second full frame 23：Recover a first full frame 10, and described
A second full frame 23 is set up on the basis of a first full frame 10；
Step 12: the installation of the top conical gradual change template of runner center line 17：Choose two conical gradual changes being stripped
Template, by a conical gradual change model sheetinstallat on left plane side form 8 using as upper left gradual change template 21, by another taper gradually
Become model sheetinstallat on right plane side form 9 to be used as upper right gradual change template 22, the upper left gradual change template 21 and upper right gradual change mould
Plate 22 is symmetrical on runner tail water transition corner block 7, and by a described second full frame 23 to upper left gradual change template 21
It is supported with upper right gradual change template 22；
Step 13: the installation of plane backform 26：Plane backform 26 is arranged on the upper left gradual change template 21 and upper right
Between gradual change template 22, the left side of the plane backform 26 is connected with the top of the upper left gradual change template 21, by institute
The right edge for stating plane backform 26 is connected with the top of the upper right gradual change template 22；
Step 14: the colligation of the top transition reinforcing bar of runner center line 17；
Step 15: the installation of the top storehouse side form of runner center line 17：Installed on the described first left storehouse side form 13
Second left storehouse side form 19, and continue to set up the left support frame 11 with the fixed second left storehouse side form 19；Described
Second right storehouse side form 20 is installed on one right storehouse side form 14, and continues to set up the right support frame 12 with fixed second right side
Storehouse side form 20；
Step 16: the installation of the top end socket template of runner center line 17：Installed in the first upstream end socket template
Second upstream end socket template, and the second upstream end socket template is fixed on the upstream support frame, in the first downstream envelope
Second downstream end socket template is installed on head mould plate, and the second downstream end socket template is fixed on the downstream support frame；
Step 17: runner center line 17 top runner tail water transition is poured：To the second upstream end socket template,
The second downstream end socket template, the second left storehouse side form 19, the second right storehouse side form 20, upper right gradual change template 22, upper left are gradually
Become casting concrete in the space that template 21 and plane backform 26 are surrounded to be formed with the lower concreting body 18 to be connected
Upper concreting body；
Step 18: the dismounting of the first full full frame 23 of a frame 10 and second and each template.
In the present embodiment, by setting lower-left gradual change template 5, bottom right gradual change template 6, left plane side form 8 and right planar side
Mould 9, so that " circle change side " tail water section the latter half 27 is formed on the lower concreting body 18 built up is poured, by setting
Upper left gradual change template 21, upper right gradual change template 22 and plane backform 26, thus pour build up it is described on concreting body
Form " circle change side " tail water section top half 28, " circle change side " the tail water section the latter half 27 and " circle change side " tail water section upper half
Part 28, which cooperates, constitutes complete " circle change side " tail water section.As shown in fig. 6, described the upstream end of " the circle side of changeing " tail water section into
Round mouth end 29, square opening end 30 is in the downstream of " circle change side " the tail water section.In the present embodiment, using conical gradual change template conduct
Lower-left gradual change template 5, bottom right gradual change template 6, upper left gradual change template 21 and upper right gradual change template 22, and plane backform 26 are left flat
Surface side mould 8 and right plane side form 9 cooperate, and cleverly realize the smoothly transitting to square opening end 30 of tail water section round mouth end 29,
So as to realize the cast-in-place construction of tail water section, it is to avoid use the difficulties such as prefabricated the brought cost of tail water section is high, transport difficulty is big
Topic.
In the present embodiment, it is provided in the left support frame 11 through the first left storehouse side form 13 and is connected to lower-left
The first left Screw arbor with nut at both-ends 15 in gradual change template 5 and left plane side form 8；It is provided in the left support frame 11 through second
Left storehouse side form 19 and the second left Screw arbor with nut at both-ends 24 being connected in upper left gradual change template 21 and left plane side form 8；On the right side
It is provided for through the first right storehouse side form 14 and is connected in bottom right gradual change template 6 and right plane side form 9 on support frame 12
First right Screw arbor with nut at both-ends 16；It is provided in the right support frame 12 through the second right storehouse side form 20 and is connected to upper right gradually
The the second right Screw arbor with nut at both-ends 25 become on template 22 and right plane side form 9.
In the present embodiment, by setting the first left Screw arbor with nut at both-ends 15 to realize to lower-left gradual change template 5 and left plane side
Effective positioning of mould 8, i.e., by lower-left gradual change template 5 and left plane side form 8 be positioned at a first full frame 10 and left support frame 11 it
Between；By setting the second left Screw arbor with nut at both-ends 24 to realize effective positioning to upper left gradual change template 21 and left plane side form 8, i.e.,
Upper left gradual change template 21 and left plane side form 8 are positioned at second completely between a frame 23 and left support frame 11；By setting first
Right Screw arbor with nut at both-ends 16 can realize effective positioning to bottom right gradual change template 6 and right plane side form 9, i.e., by bottom right gradual change template 6
And right plane side form 9 is positioned at first completely between a frame 10 and right support frame 12, by setting the second right Screw arbor with nut at both-ends 25 can
Effective positioning to upper right gradual change template 22 and right plane side form 9 is realized, i.e., is determined upper right gradual change template 22 and right plane side form 9
Position is second completely between a frame 23 and right support frame 12.
In the present embodiment, when pouring the lower concreting body 18, lateral wall in the lower-left gradual change template 5,
The lateral wall of the lateral wall of bottom right gradual change template 6, the lateral wall of left plane side form 8 and right plane side form 9 is respectively provided with PUC plates；
When pouring the upper concreting body, the lateral wall of lateral wall, upper right gradual change template 22 in the upper left gradual change template 21
PUC plates are respectively provided with the lateral wall of plane backform 26.
, can be conveniently stripped by setting PUC plates in the present embodiment, and it is coated with releasing agent on PUC plates.
In the present embodiment, the full frame 23 of a described first full frame 10, second, left support frame 11, right support frame 12, it is described on
Trip support frame and the downstream support frame are set up using steel pipe.Above-mentioned each support frame and a first full frame are set up using steel pipe
10 and the second full frame 23, convenient material drawing, and tube quality is light, it is convenient artificial to carry.
In the present embodiment, the arc formwork 1 and tapered panel 3 of the conical gradual change template are made by plank.Wherein, adopt
The tapered panel 3 and arc formwork 1 being made of plank, one side light weight are easy to carry, are on the other hand convenient material drawings.
In the present embodiment, the tapered panel 3 is made up of the splicing of multiple battens.And the thickness of the tapered panel 3 is
50mm~60mm.Wherein, tapered panel 3, Neng Gouyou is made using the batten splicing laid along conical gradual change template length direction
Effect realizes the gradual change requirement of the conical gradual change template, and has been also convenient for concatenation construction.
It is described above, only it is presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, it is every according to the present invention
Any simple modification, change and equivalent structure transformation that technical spirit is made to above example, still fall within skill of the present invention
In the protection domain of art scheme.
Claims (7)
1. the construction method of power station bulb-type tubular hydro set runner tail water transition, it is characterised in that comprise the following steps：
Step 1: conical gradual change template is prefabricated：Multiple arcs template (1) is fixed on to corresponding arc steel truss first
(2) to constitute tapered panel supporter on, then the tapered panel supporter is spaced successively and is laid on steel skeleton (4),
Bearing of trend of the length of multiple tapered panel supporters along steel skeleton (4) gradually increases, finally that tapered panel (3) is solid
It is scheduled on multiple arc formworks (1), so as to complete the prefabricated of conical gradual change template；
Step 2: the colligation of runner center line (17) lower section transition reinforcing bar；
Step 3: the installation of runner center line (17) lower section conical gradual change template：Two conical gradual change templates are chosen, by two cones
Shape gradual change model sheetinstallat is on runner tail water transition corner block (7), and a conical gradual change template is used as lower-left gradual change template
(5), another conical gradual change template is used as bottom right gradual change template (6), the lower-left gradual change template (5) and bottom right gradual change template
(6) it is symmetrical on runner tail water transition corner block (7)；
Step 4: the installation of plane side form：Left plane side form (8) is installed on the lower-left gradual change template (5), in the bottom right
Right plane side form (9) is installed in gradual change template (6)；
Step 5: first expires setting up for a frame (10)：Set up to support a left side on the runner tail water transition corner block (7)
Lower gradual change template (5), bottom right gradual change template (6), a first full frame (10) of left plane side form (8) and right plane side form (9)；
Step 6: the installation of runner center line (17) lower section storehouse side form：First is set in the left side of the left plane side form (8)
Left storehouse side form (13), and set up on the outside of the described first left storehouse side form (13) left support frame for being supported to it
(11)；On the right side of the right plane side form (9), the first right storehouse side form (14) is set, and in the described first right storehouse side form
(14) right support frame (12) for being supported to it is set up on the outside of；
Step 7: the installation of runner center line (17) lower section end socket template：Set in runner tail water transition upstream side on first
End socket template is swum, and the upstream support frame for being supported to it is set up on the outside of the first upstream end socket template, in runner
Tail water transition downstream sets the first downstream end socket template, and set up on the outside of the first downstream end socket template for pair
Its downstream support frame supported；
Step 8: runner tail water transition below runner center line (17) is poured：To the first upstream end socket template, institute
State the first downstream end socket template, the first left storehouse side form (13), the first right storehouse side form (14), left plane side form (8), right plane
Casting concrete forms lower concrete and poured in the space that side form (9), lower-left gradual change template (5) and bottom right gradual change template (6) are surrounded
Building body (18)；
Step 9: a first full frame (10) is removed；
Step 10: lower-left gradual change template (5) and bottom right gradual change template (6) are stripped；
Step 11: recovering a first full frame (10) and setting up a second full frame (23)：Recover a first full frame (10), and in institute
State and set up a second full frame (23) on the basis of a first full frame (10)；
Step 12: the installation of runner center line (17) top conical gradual change template：Choose two conical gradual change moulds being stripped
Plate, by a conical gradual change model sheetinstallat on left plane side form (8) using as upper left gradual change template (21), by another taper
Gradual change model sheetinstallat is on right plane side form (9) to be used as upper right gradual change template (22), the upper left gradual change template (21) and the right side
Upper gradual change template (22) is symmetrical on runner tail water transition corner block (7), and right by a described second full frame (23)
Upper left gradual change template (21) and upper right gradual change template (22) are supported；
Step 13: the installation of plane backform (26)：Plane backform (26) is arranged on the upper left gradual change template (21) and the right side
Between upper gradual change template (22), the left side of the plane backform (26) is connected with the top of the upper left gradual change template (21)
Connect, the right edge of the plane backform (26) is connected with the top of the upper right gradual change template (22)；
Step 14: the colligation of runner center line (17) top transition reinforcing bar；
Step 15: the installation of runner center line (17) top storehouse side form：Installed on the described first left storehouse side form (13)
Second left storehouse side form (19), and continue to set up the left support frame (11) with the fixed second left storehouse side form (19)；
Second right storehouse side form (20) is installed on the first right storehouse side form (14), and continues to set up the right support frame (12) with solid
The fixed second right storehouse side form (20)；
Step 16: the installation of runner center line (17) top end socket template：Is installed in the first upstream end socket template
Two upstream end socket templates, and the second upstream end socket template is fixed on the upstream support frame, in the first downstream end socket
Second downstream end socket template is installed in template, and the second downstream end socket template is fixed on the downstream support frame；
Step 17: runner tail water transition is poured above runner center line (17)：To the second upstream end socket template, institute
State the second downstream end socket template, the second left storehouse side form (19), the second right storehouse side form (20), upper right gradual change template (22), a left side
Casting concrete is to form and the lower concreting body in the space that upper gradual change template (21) and plane backform (26) are surrounded
(18) the upper concreting body being connected；
Step 18: the dismounting of a first full frame (10) and a second full frame (23) and each template.
2. the construction method of power station bulb-type tubular hydro set runner tail water transition according to claim 1, it is characterised in that：
It is provided in the left support frame (11) through the first left storehouse side form (13) and is connected to lower-left gradual change template (5) and a left side
The first left Screw arbor with nut at both-ends (15) on plane side form (8)；It is provided in the left support frame (11) through the second left storehouse number
Side form (19) and the second left Screw arbor with nut at both-ends (24) being connected in upper left gradual change template (21) and left plane side form (8)；Described
It is provided in right support frame (12) through the first right storehouse side form (14) and is connected to bottom right gradual change template (6) and right planar side
The first right Screw arbor with nut at both-ends (16) on mould (9)；It is provided in the right support frame (12) through the second right storehouse side form
And the second right Screw arbor with nut at both-ends (25) for being connected in upper right gradual change template (22) and right plane side form (9) (20).
3. the construction method of power station bulb-type tubular hydro set runner tail water transition according to claim 1, it is characterised in that：
When pouring lower concreting body (18), lateral wall, bottom right gradual change template (6) in the lower-left gradual change template (5)
The lateral wall of lateral wall, the lateral wall of left plane side form (8) and right plane side form (9) is respectively provided with PUC plates；Pour the upper coagulation
When soil pours building body, the lateral wall and plane backform of lateral wall, upper right gradual change template (22) in the upper left gradual change template (21)
(26) lateral wall is respectively provided with PUC plates.
4. the construction method of power station bulb-type tubular hydro set runner tail water transition according to claim 1, it is characterised in that：
A described first full frame (10), a second full frame (23), left support frame (11), right support frame (12), the upstream support frame and
The downstream support frame is set up using steel pipe.
5. the construction method of power station bulb-type tubular hydro set runner tail water transition according to claim 1, it is characterised in that：
The arc formwork (1) and tapered panel (3) are made by plank.
6. the construction method of power station bulb-type tubular hydro set runner tail water transition according to claim 5, it is characterised in that：
The tapered panel (3) is made up of the splicing of multiple battens.
7. the construction method of power station bulb-type tubular hydro set runner tail water transition according to claim 6, it is characterised in that：
The thickness of the tapered panel (3) is 50mm~60mm.
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| CN108330979B (en) * | 2018-01-30 | 2019-12-31 | 中国葛洲坝集团第一工程有限公司 | Runner concrete pouring method for tubular turbine set of avionic hub engineering |
| CN108360475B (en) * | 2018-01-30 | 2023-12-01 | 中国葛洲坝集团第一工程有限公司 | Flow passage shape control device and method for air-armature button through-flow unit |
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