CN105648991A - Method for constructing transition sections of through-flow unit channel of hydropower station - Google Patents
Method for constructing transition sections of through-flow unit channel of hydropower station Download PDFInfo
- Publication number
- CN105648991A CN105648991A CN201511024030.7A CN201511024030A CN105648991A CN 105648991 A CN105648991 A CN 105648991A CN 201511024030 A CN201511024030 A CN 201511024030A CN 105648991 A CN105648991 A CN 105648991A
- Authority
- CN
- China
- Prior art keywords
- gradual change
- side form
- template
- change template
- runner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a method for constructing transition sections of a through-flow unit channel of a hydropower station. The method includes the following steps that conical transition formworks are prefabricated; transition section steel ribs below the center line of the channel are bound; the conical transition formworks below the center line of the channel are installed; plane side forms are installed; a first full space support is erected; a concrete pouring side form below the center line of the channel is arranged; an end socket formwork below the center line of the channel is installed; the channel tail water transition section below the center line of the channel is poured; the first full space support is detached; the lower left transition formwork and the lower right transition formwork are demolded; a second full space support is erected; the conical transition formwork above the center line of the channel is installed; a plane top form is installed; transition section steel ribs above the center line of the channel are bound; a concrete pouring side form above the center line of the channel is installed; an end socket formwork above the center line of the channel is installed; the channel tail water transition section above the center line of the channel is poured; the first full space support, the second full space support and all the formworks are detached. By means of the method, the problems that manufacturing cost is high and transportation is difficult during tail water section prefabrication can be avoided.
Description
Technical field
The invention belongs to power station bulb-type tubular hydro set runner technical field of construction, be specifically related to the construction method of a kind of power station bulb-type tubular hydro set 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 in Ningqiang County, Shaanxi Province powerhouse of hydropower station tail water gradual change diffuser on Parallel to the flow direction not only width expanding gradually, and highly also becoming larger, its build is gradually become square by circle. Section is different, curved surface is many, brings great challenge to the installation of template in construction. How to design a kind of can for building of power station bulb-type tubular hydro set flow passage gradual change section template construction method fast and effectively, it has also become the technical problem that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency of the prior art, it is provided that the construction method of a kind of power station bulb-type tubular hydro set flow passage gradual change section. This construction method is adopted to be capable of the cast-in-place construction of tail water section, it is to avoid to adopt the difficult problems such as prefabricated the brought cost of tail water section is high, transport difficulty is big.
For achieving the above object, the technical solution used in the present invention is: 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 one, conical gradual change template prefabricated: first multiple arc formworks are fixed on corresponding arc-shaped steel truss to constitute tapered panel supporter, then described tapered panel supporter interval successively is laid on steel skeleton, the length of multiple described tapered panel supporters is gradually increased along the bearing of trend of steel skeleton, finally tapered panel is fixed on multiple described arc formwork, thus completing the prefabricated of conical gradual change template;
The colligation of transition reinforcing bar below step 2, runner centrage;
The installation of conical gradual change template below step 3, runner centrage: choose two conical gradual change templates, by two conical gradual change model sheetinstallat on runner tail water transition corner block, one conical gradual change template is as lower-left gradual change template, another conical gradual change template is symmetrical about runner tail water transition corner block as bottom right gradual change template, described lower-left gradual change template and bottom right gradual change template;
Step 4, plane side form installation: in described lower-left gradual change template, left plane side form is installed, described bottom right gradual change template installs right plane side form;
Step 5, the setting up of a first full frame: on described runner tail water transition corner block, set up to support a first full frame of lower-left gradual change template, bottom right gradual change template, left plane side form and right plane side form;
The installation of storehouse side form below step 6, runner centrage: the first left storehouse side form is set in the left side of described left plane side form, and sets up for the left support frame to its support in the outside of described first left storehouse side form; First right storehouse side form is set on the right side of described right plane side form, and sets up for the right support frame to its support in the outside of described first right storehouse side form;
The installation of end socket template below step 7, runner centrage: the first upstream end socket template is set at runner tail water transition upstream side, and set up for the upstream support frame to its support in the outside of described first upstream end socket template, first downstream end socket template is set in runner tail water transition downstream, and sets up for the downstream support frame to its support in the outside of described first downstream end socket template;
Building of runner tail water transition below step 8, runner centrage: casting concrete forms lower concrete casting building body in the space that described first upstream end socket template, described 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 gradual change template and bottom right gradual change template surround;
Step 9, first full frame is removed;
Step 10, by lower-left gradual change template and the bottom right gradual change template demoulding;
Step 11, recover a first full frame and also set up a second full frame: recover a first full frame, and on the basis of a described first full frame, set up a second full frame;
The installation of conical gradual change template above step 12, runner centrage: choose two conical gradual change templates of the demoulding, by a conical gradual change model sheetinstallat on left plane side form using as upper left gradual change template, by another conical gradual change model sheetinstallat on right plane side form using as upper right gradual change template, described upper left gradual change template and upper right gradual change template are symmetrical about runner tail water transition corner block, and by a described second full frame, upper left gradual change template and upper right gradual change template are supported;
Step 13, plane backform installation: plane backform is arranged between described upper left gradual change template and upper right gradual change template, the top of the left side of described plane backform with described upper left gradual change template is connected, the top of the right edge of described plane backform with described upper right gradual change template is connected;
The colligation of transition reinforcing bar above step 14, runner centrage;
The installation of storehouse side form above step 15, runner centrage: install the second left storehouse side form on described first left storehouse side form, and continue to set up described left support frame with fixing described second left storehouse side form; Described first right storehouse side form is installed the second right storehouse side form, and continues to set up described right support frame with fixing described second right storehouse side form;
The installation of end socket template above step 10 six, runner centrage: install the second upstream end socket template in described first upstream end socket template, and described second upstream end socket template is fixed on described upstream support frame, first downstream end socket template is installed the second downstream end socket template, and described second downstream end socket template is fixed on described downstream support frame;
The building of runner tail water transition above step 10 seven, runner centrage: the upper concrete casting building body that casting concrete is connected with described lower concrete casting building body with formation in the space that described second upstream end socket template, described second downstream end socket template, the second left storehouse side form, the second right storehouse side form, the second left storehouse side form, upper right gradual change template, upper left gradual change template surround with plane backform;
The dismounting of the full frame of step 10 eight, first 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: it is arranged in described left support frame through the first left storehouse side form and is connected to the first left Screw arbor with nut at both-ends on lower-left gradual change template and left plane side form; Described left support frame it is arranged to through the second left storehouse side form and is connected to the second left Screw arbor with nut at both-ends on upper left gradual change template and left plane side form; Described right support frame it is arranged to through the first right storehouse side form and is connected to the first right Screw arbor with nut at both-ends on bottom right gradual change template and right plane side form; Described right support frame it is arranged to through the second right storehouse side form and is connected to the second right Screw arbor with nut at both-ends on 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 characterized in that: when building described lower concrete casting building body, in the lateral wall of described lower-left gradual change template, the lateral wall of bottom right gradual change template, the lateral wall of left plane side form and the lateral wall of right plane side form be respectively provided with PUC plate; Build described on concrete casting building body time, be respectively provided with PUC plate in the lateral wall of described upper left gradual change template, the lateral wall of upper right gradual change template and the lateral wall of plane backform.
The construction method of above-mentioned power station bulb-type tubular hydro set runner tail water transition, it is characterised in that: a described first full frame, a second full frame, left support frame, right support frame, described upstream support frame and described downstream support frame all adopt steel pipe to set up.
The construction method of above-mentioned power station bulb-type tubular hydro set runner tail water transition, it is characterised in that: described arc formwork and tapered panel are made by plank.
Above-mentioned power station bulb-type tubular hydro set runner tail water transition construction method, it is characterised in that: described tapered panel is made up of the splicing of multiple battens.
Above-mentioned power station bulb-type tubular hydro set runner tail water transition construction method, it is characterised in that: the thickness of described tapered panel is 50mm��60mm.
The present invention compared with prior art has the advantage that
1, the present invention adopts 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, achieve tail water section round mouth end smoothly transitting to square opening end cleverly, it is thus possible to realize the cast-in-place construction of tail water section, it is to avoid adopt the difficult problems such as prefabricated the brought cost of tail water section is high, transport difficulty is big.
2, in the present invention, by lower-left gradual change template and the bottom right gradual change template demoulding, use during runner tail water transition pouring construction above runner centrage thus convenient, saved construction cost.
3, the present invention adopts the tapered panel and arc formwork that plank makes, on the one hand light weight, it is simple to carrying, is draw materials conveniently on the other hand.
4, the present invention to realize cost low, result of use is good, it is simple to promote the use of.
Below by drawings and Examples, technical scheme is described in further detail.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of 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 gradual change template in upper left in the present invention, upper right gradual change template and plane backform.
Fig. 6 is the structural representation of " circle change side " the tail water section adopting the present invention to make.
Description of reference numerals:
1 arc formwork; 2 arc-shaped steel truss;
3 tapered panels; 4 steel skeletons;
5 lower-left gradual change templates; 6 bottom right gradual change templates;
7 runner tail water transition corner blocks; 8 left plane side forms;
9 right plane side forms; A 10 first full frame;
11 left support frame; 12 right support frame;
13 first left storehouse side forms; 14 first right storehouse side forms;
15 first left Screw arbor with nut at both-ends; 16 first right Screw arbor with nut at both-ends;
17 runner centrages; 18 times concrete casting building bodies;
19 second left storehouse side forms; 20 second right storehouse side forms;
21 upper left gradual change templates; 22 upper right gradual change templates;
A 23 second full frame; 24 second left Screw arbor with nut at both-ends;
25 second right Screw arbor with nut at both-ends; 26 plane backforms;
27 " circle change side " tail water section the latter half; 28 " circle change side " tail water section the first half;
29 round mouth ends; 30 square opening ends.
Detailed description of the invention
The construction method of a kind of power station bulb-type tubular hydro set runner tail water transition as shown in Fig. 1��Fig. 6, comprises the following steps:
Step one, conical gradual change template prefabricated: first multiple arc formworks 1 are fixed on corresponding arc-shaped steel truss 2 to constitute tapered panel supporter, then described tapered panel supporter interval successively is laid on steel skeleton 4, the length of multiple described tapered panel supporters is gradually increased along the bearing of trend of steel skeleton 4, finally tapered panel 3 is fixed on multiple described arc formwork 1, thus completing prefabricated (as shown in Figures 2 and 3) of conical gradual change template; In the present embodiment, the quantity of described conical gradual change template is two.
The colligation of transition reinforcing bar below step 2, runner centrage 17;
The installation of conical gradual change template below step 3, runner centrage 17: choose two conical gradual change templates, by two conical gradual change model sheetinstallat on runner tail water transition corner block 7, one conical gradual change template is as lower-left gradual change template 5, another conical gradual change template is symmetrical about runner tail water transition corner block 7 as bottom right gradual change template 6, described lower-left gradual change template 5 and bottom right gradual change template 6;
Step 4, plane side form installation: in described lower-left gradual change template 5, left plane side form 8 is installed, described bottom right gradual change template 6 installs right plane side form 9;
Step 5, the setting up of a first full frame 10: on described runner tail water transition corner block 7, set up to support a first full frame 10 of lower-left gradual change template 5, bottom right gradual change template 6, left plane side form 8 and right plane side form 9;
The installation of storehouse side form below step 6, runner centrage 17: the first left storehouse side form 13 is set in the left side of described left plane side form 8, and sets up for the left support frame 11 to its support in the outside of described first left storehouse side form 13; First right storehouse side form 14 is set on the right side of described right plane side form 9, and sets up for the right support frame 12 to its support in the outside of described first right storehouse side form 14;
The installation of end socket template below step 7, runner centrage 17: the first upstream end socket template is set at runner tail water transition upstream side, and set up for the upstream support frame to its support in the outside of described first upstream end socket template, first downstream end socket template is set in runner tail water transition downstream, and sets up for the downstream support frame to its support in the outside of described first downstream end socket template;
In the present embodiment, described upstream support frame, left support frame 11, described downstream support frame and right support frame 12 are interconnected to form support waling.
Building of runner tail water transition below step 8, runner centrage 17: casting concrete forms lower concrete casting building body 18 in the space that described first upstream end socket template, described first downstream end socket template, first left storehouse side form the 13, first right storehouse side form 14, left plane side form 8, right plane side form 9, lower-left gradual change template 5 and bottom right gradual change template 5 surround;
Step 9, a first full frame 10 is removed; A described first full frame 10 is removed the demoulding of party B just lower-left gradual change template 5 and 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 can the lower-left gradual change template 5 below runner centrage 17 and bottom right gradual change template 6 be taken out.
Step 10, by lower-left gradual change template 5 and bottom right gradual change template 6 demoulding;
In the present embodiment, by lower-left gradual change template 5 and bottom right gradual change template 6 demoulding, use during runner tail water transition pouring construction above runner centrage 17 thus convenient, saved construction cost.
Step 11, recover a first full frame 10 and also set up a second full frame 23: recover a first full frame 10, and on the basis of a described first full frame 10, set up a second full frame 23;
The installation of conical gradual change template above step 12, runner centrage 17: choose two conical gradual change templates of the demoulding, by a conical gradual change model sheetinstallat on left plane side form 8 using as upper left gradual change template 21, by another conical gradual change model sheetinstallat on right plane side form 9 using as upper right gradual change template 22, described upper left gradual change template 21 and upper right gradual change template 22 are symmetrical about runner tail water transition corner block 7, and by a described second full frame 23, upper left gradual change template 21 and upper right gradual change template 22 are supported;
Step 13, plane backform 26 installation: plane backform 26 is arranged between described upper left gradual change template 21 and upper right gradual change template 22, the top of the left side of described plane backform 26 with described upper left gradual change template 21 is connected, the top of the right edge of described plane backform 26 with described upper right gradual change template 22 is connected;
The colligation of transition reinforcing bar above step 14, runner centrage 17;
The installation of storehouse side form above step 15, runner centrage 17: install the second left storehouse side form 19 on described first left storehouse side form 13, and continue to set up described left support frame 11 with fixing described second left storehouse side form 19; Described first right storehouse side form 14 is installed the second right storehouse side form 20, and continues to set up described right support frame 12 with fixing described second right storehouse side form 20;
The installation of end socket template above step 10 six, runner centrage 17: install the second upstream end socket template in described first upstream end socket template, and described second upstream end socket template is fixed on described upstream support frame, first downstream end socket template is installed the second downstream end socket template, and described second downstream end socket template is fixed on described downstream support frame;
The building of runner tail water transition above step 10 seven, runner centrage 17: the upper concrete casting building body that casting concrete is connected with described lower concrete casting building body 18 with formation in the space that described second upstream end socket template, described second downstream end socket template, second left storehouse side form the 19, second right storehouse side form the 20, second left storehouse side form 19, upper right gradual change template 22, upper left gradual change template 21 surround with plane backform 26;
The dismounting of the full frame 10 of step 10 eight, first and a second full frame 23 and each template.
In the present embodiment, by arranging lower-left gradual change template 5, bottom right gradual change template 6, left plane side form 8 and right plane side form 9, thus the described lower concrete casting building body 18 built up forming " circle change side " tail water section the latter half 27 watering, by arranging upper left gradual change template 21, upper right gradual change template 22 and plane backform 26, thus water build up described on concrete casting building body is formed " circle change side " tail water section the first half 28, described " circle change side " tail water section the latter half 27 and " circle change side " tail water section the first half 28 cooperate and constitute complete " circle change side " tail water section. as shown in Figure 6, the upstream extremity of described " circle change side " tail water section is round mouth end 29, and the downstream of described " circle change side " tail water section is square opening end 30. in the present embodiment, adopt conical gradual change template as 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 left plane side form 8 and right plane side form 9 cooperate, achieve tail water section round mouth end 29 smoothly transitting to square opening end 30 cleverly, it is thus possible to realize the cast-in-place construction of tail water section, it is to avoid adopt the difficult problems such as prefabricated the brought cost of tail water section is high, transport difficulty is big.
In the present embodiment, described left support frame 11 is arranged to through the first left storehouse side form 13 the first left Screw arbor with nut at both-ends 15 of being connected on lower-left gradual change template 5 and left plane side form 8; Described left support frame 11 is arranged to through the second left storehouse side form 19 the second left Screw arbor with nut at both-ends 24 of being connected on upper left gradual change template 21 and left plane side form 8; Described right support frame 12 is arranged to through the first right storehouse side form 14 the first right Screw arbor with nut at both-ends 16 of being connected on bottom right gradual change template 6 and right plane side form 9; Described right support frame 12 is arranged to through the second right storehouse side form 20 the second right Screw arbor with nut at both-ends 25 of being connected on upper right gradual change template 22 and right plane side form 9.
In the present embodiment, it is capable of the effective location to lower-left gradual change template 5 and left plane side form 8 by arranging the first left Screw arbor with nut at both-ends 15, is positioned at first by lower-left gradual change template 5 and left plane side form 8 full between a frame 10 and left support frame 11; It is capable of the effective location to upper left gradual change template 21 and left plane side form 8 by arranging the second left Screw arbor with nut at both-ends 24, is positioned at second by upper left gradual change template 21 and left plane side form 8 full between a frame 23 and left support frame 11; It is capable of the effective location to bottom right gradual change template 6 and right plane side form 9 by arranging the first right Screw arbor with nut at both-ends 16, it is positioned at first full between a frame 10 and right support frame 12 by bottom right gradual change template 6 and right plane side form 9, it is capable of the effective location to upper right gradual change template 22 and right plane side form 9 by arranging the second right Screw arbor with nut at both-ends 25, is positioned at second by upper right gradual change template 22 and right plane side form 9 full between a frame 23 and right support frame 12.
In the present embodiment, when building described lower concrete casting building body 18, in the lateral wall of described lower-left gradual change template 5, the lateral wall of bottom right gradual change template 6, the lateral wall of left plane side form 8 and the lateral wall of right plane side form 9 be respectively provided with PUC plate; Build described on concrete casting building body time, be respectively provided with PUC plate in the lateral wall of described upper left gradual change template 21, the lateral wall of upper right gradual change template 22 and the lateral wall of plane backform 26.
In the present embodiment, by arranging PUC plate, it is possible to conveniently stripped, and it is coated with releasing agent on PUC plate.
In the present embodiment, the described first full full frame 23 of a frame 10, second, left support frame 11, right support frame 12, described upstream support frame and described downstream support frame all adopt steel pipe to set up. Adopt steel pipe to set up above-mentioned each bracing frame and a first full frame 10 and second full frame 23, draw materials conveniently, and tube quality is light, facilitates a dead lift.
In the present embodiment, arc formwork 1 and the tapered panel 3 of described conical gradual change template are made by plank. Wherein, adopt the tapered panel 3 made of plank and arc formwork 1, on the one hand light weight, it is simple to carrying, be draw materials conveniently on the other hand.
In the present embodiment, described tapered panel 3 is made up of the splicing of multiple battens. And the thickness of described tapered panel 3 is 50mm��60mm. Wherein, the batten splicing laid along conical gradual change template length direction is adopted to make tapered panel 3, it is possible to effectively to realize the gradual change requirement of described conical gradual change template, and be also convenient for concatenation construction.
The above; it it is only presently preferred embodiments of the present invention; not the present invention is imposed any restrictions, every any simple modification, change and equivalent structure transformation above example made according to the technology of the present invention essence, all still fall within the protection domain of technical solution of the present invention.
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 one, conical gradual change template prefabricated: first multiple arc formworks (1) are fixed on corresponding arc-shaped steel truss (2) to constitute tapered panel supporter, then described tapered panel supporter interval successively is laid on steel skeleton (4), the length of multiple described tapered panel supporters is gradually increased along the bearing of trend of steel skeleton (4), finally tapered panel (3) is fixed on multiple described arc formwork (1), thus completing the prefabricated of conical gradual change template;
The colligation of step 2, runner centrage (17) lower section transition reinforcing bar;
The installation of step 3, runner centrage (17) lower section conical gradual change template: choose two conical gradual change templates, by two conical gradual change model sheetinstallat on runner tail water transition corner block (7), one conical gradual change template is as lower-left gradual change template (5), another conical gradual change template is as bottom right gradual change template (6), and described lower-left gradual change template (5) and bottom right gradual change template (6) are symmetrical about runner tail water transition corner block (7);
Step 4, plane side form installation: left plane side form (8) is installed described lower-left gradual change template (5) is upper, right plane side form (9) is installed described bottom right gradual change template (6) is upper;
Step 5, the setting up of first full a frame (10): set up to support lower-left gradual change template (5), bottom right gradual change template (6), left plane side form (8) and right plane side form (9) on described runner tail water transition corner block (7) first expires a frame (10);
The installation of storehouse, step 6, runner centrage (17) lower section side form: the first left storehouse side form (13) is set in the left side of described left plane side form (8), and sets up for the left support frame (11) to its support in the outside in described first left storehouse side form (13); First right storehouse side form (14) is set on the right side of described right plane side form (9), and sets up for the right support frame (12) to its support in the outside in described first right storehouse side form (14);
The installation of step 7, runner centrage (17) lower section end socket template: the first upstream end socket template is set at runner tail water transition upstream side, and set up for the upstream support frame to its support in the outside of described first upstream end socket template, first downstream end socket template is set in runner tail water transition downstream, and sets up for the downstream support frame to its support in the outside of described first downstream end socket template;
Building of the runner tail water transition of step 8, runner centrage (17) lower section: casting concrete forms lower concrete casting building body (18) in the space that described first upstream end socket template, described 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 (9), lower-left gradual change template (5) and bottom right gradual change template (6) surround;
Step 9, a first full frame (10) is removed;
Step 10, by lower-left gradual change template (5) and bottom right gradual change template (6) demoulding;
Step 11, recover a first full frame (10) and also set up a second full frame (23): recover a first full frame (10), and on the basis of a described first full frame (10), set up a second full frame (23);
Step 12, the installation of runner centrage (17) top conical gradual change template: choose two conical gradual change templates of the demoulding, by a conical gradual change model sheetinstallat on left plane side form (8) using as upper left gradual change template (21), by another conical gradual change model sheetinstallat on right plane side form (9) using as upper right gradual change template (22), described upper left gradual change template (21) and upper right gradual change template (22) are symmetrical about runner tail water transition corner block (7), and by a described second full frame (23), upper left gradual change template (21) and upper right gradual change template (22) are supported,
Step 13, plane backform (26) installation: plane backform (26) is arranged between described upper left gradual change template (21) and upper right gradual change template (22), the top of the left side of described plane backform (26) with described upper left gradual change template (21) is connected, the top of the right edge of described plane backform (26) with described upper right gradual change template (22) is connected;
The colligation of step 14, runner centrage (17) top transition reinforcing bar;
The installation of storehouse, step 15, runner centrage (17) top side form: upper second left storehouse side form (19) of installing in described first left storehouse side form (13), and continue to set up described left support frame (11) with fixing described second left storehouse side form (19); Upper second right storehouse side form (20) of installing in described first right storehouse side form (14), and continue to set up described right support frame (12) with fixing described second right storehouse side form (20);
The installation of step 10 six, runner centrage (17) top end socket template: install the second upstream end socket template in described first upstream end socket template, and described second upstream end socket template is fixed on described upstream support frame, first downstream end socket template is installed the second downstream end socket template, and described second downstream end socket template is fixed on described downstream support frame;
Step 10 seven, building of runner centrage (17) top runner tail water transition: to described second upstream end socket template, described second downstream end socket template, second left storehouse side form (19), second right storehouse side form (20), second left storehouse side form (19), upper right gradual change template (22), the upper concrete casting building body that in the space that upper left gradual change template (21) surrounds with plane backform (26), casting concrete is connected with described lower concrete casting building body (18) with formation,
The dismounting of the full frame (10) of step 10 eight, first and a second full frame (23) and each template.
2. the construction method of power station according to claim 1 bulb-type tubular hydro set runner tail water transition, it is characterised in that: it is arranged to through the first left storehouse side form (13) the first left Screw arbor with nut at both-ends (15) of being connected on lower-left gradual change template (5) and left plane side form (8) in described left support frame (11); Described left support frame (11) is arranged to through the second left storehouse side form (19) the second left Screw arbor with nut at both-ends (24) of being connected on upper left gradual change template (21) and left plane side form (8); Described right support frame (12) is arranged to through the first right storehouse side form (14) the first right Screw arbor with nut at both-ends (16) of being connected on bottom right gradual change template (6) and right plane side form (9);Described right support frame (12) is arranged to through the second right storehouse side form (20) the second right Screw arbor with nut at both-ends (25) of being connected on upper right gradual change template (22) and right plane side form (9).
3. the construction method of power station according to claim 1 bulb-type tubular hydro set runner tail water transition, it is characterized in that: when building described lower concrete casting building body (18), in the lateral wall of described lower-left gradual change template (5), the lateral wall of bottom right gradual change template (6), the lateral wall of left plane side form (8) and the lateral wall of right plane side form (9) be respectively provided with PUC plate; When building described upper concrete casting building body, in the lateral wall of described upper left gradual change template (21), the lateral wall of upper right gradual change template (22) and the lateral wall of plane backform (26) be respectively provided with PUC plate.
4. the construction method of power station according to claim 1 bulb-type tubular hydro set runner tail water transition, it is characterised in that: a described first full frame (10), a second full frame (23), left support frame (11), right support frame (12), described upstream support frame and described downstream support frame all adopt steel pipe to set up.
5. the construction method of power station according to claim 1 bulb-type tubular hydro set runner tail water transition, it is characterised in that: described arc formwork (1) and tapered panel (3) are made by plank.
6. power station according to claim 5 bulb-type tubular hydro set runner tail water transition construction method, it is characterised in that: described tapered panel (3) is made up of the splicing of multiple battens.
7. power station according to claim 6 bulb-type tubular hydro set runner tail water transition construction method, it is characterised in that: the thickness of described tapered panel (3) is 50mm��60mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024030.7A CN105648991B (en) | 2015-12-30 | 2015-12-30 | The construction method of power station bulb-type tubular hydro set flow passage gradual change section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024030.7A CN105648991B (en) | 2015-12-30 | 2015-12-30 | The construction method of power station bulb-type tubular hydro set flow passage gradual change section |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105648991A true CN105648991A (en) | 2016-06-08 |
| CN105648991B CN105648991B (en) | 2017-08-08 |
Family
ID=56490055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511024030.7A Active CN105648991B (en) | 2015-12-30 | 2015-12-30 | The construction method of power station bulb-type tubular hydro set flow passage gradual change section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105648991B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108330979A (en) * | 2018-01-30 | 2018-07-27 | 中国葛洲坝集团第工程有限公司 | Navigation power key project bulb-type tubular hydro set runner concreting method |
| CN108360475A (en) * | 2018-01-30 | 2018-08-03 | 中国葛洲坝集团第工程有限公司 | Navigation ＆ Hydropower Junction Engineering bulb-type tubular hydro set runner body control device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996000867A1 (en) * | 1994-06-29 | 1996-01-11 | Societe Civile De Brevets Matiere | Fluid circulation pipe |
| CN202073077U (en) * | 2011-03-31 | 2011-12-14 | 葛洲坝集团第五工程有限公司 | Assembly type template steel pipe bracing frame for water inlet transition section |
| CN202090328U (en) * | 2011-06-01 | 2011-12-28 | 中国葛洲坝集团股份有限公司 | Special-shaped steel formwork for large-section tail-water diffuser lining |
| CN103882840A (en) * | 2014-03-05 | 2014-06-25 | 葛洲坝集团第五工程有限公司 | Surge shaft cast-in-place concrete mountable formwork support and mounting method thereof |
| CN204000795U (en) * | 2014-08-08 | 2014-12-10 | 葛洲坝集团第六工程有限公司 | A kind of composite roof truss formula gradual change arc formwork device |
| CN204344137U (en) * | 2014-12-07 | 2015-05-20 | 中国葛洲坝集团股份有限公司 | The narrow transition section steel form carrier of a kind of tunnel bundle |
-
2015
- 2015-12-30 CN CN201511024030.7A patent/CN105648991B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996000867A1 (en) * | 1994-06-29 | 1996-01-11 | Societe Civile De Brevets Matiere | Fluid circulation pipe |
| CN202073077U (en) * | 2011-03-31 | 2011-12-14 | 葛洲坝集团第五工程有限公司 | Assembly type template steel pipe bracing frame for water inlet transition section |
| CN202090328U (en) * | 2011-06-01 | 2011-12-28 | 中国葛洲坝集团股份有限公司 | Special-shaped steel formwork for large-section tail-water diffuser lining |
| CN103882840A (en) * | 2014-03-05 | 2014-06-25 | 葛洲坝集团第五工程有限公司 | Surge shaft cast-in-place concrete mountable formwork support and mounting method thereof |
| CN204000795U (en) * | 2014-08-08 | 2014-12-10 | 葛洲坝集团第六工程有限公司 | A kind of composite roof truss formula gradual change arc formwork device |
| CN204344137U (en) * | 2014-12-07 | 2015-05-20 | 中国葛洲坝集团股份有限公司 | The narrow transition section steel form carrier of a kind of tunnel bundle |
Non-Patent Citations (2)
| Title |
|---|
| 刘文波: "铝塑板在深溪沟水电站厂房坝段尾水扩散段的应用", 《水力发电》 * |
| 崔建华: "炳灵水电站流道异型模板施工应用", 《甘肃科技》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108330979A (en) * | 2018-01-30 | 2018-07-27 | 中国葛洲坝集团第工程有限公司 | Navigation power key project bulb-type tubular hydro set runner concreting method |
| CN108360475A (en) * | 2018-01-30 | 2018-08-03 | 中国葛洲坝集团第工程有限公司 | Navigation ＆ Hydropower Junction Engineering bulb-type tubular hydro set runner body control device and method |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105648991B (en) | 2017-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102733606B (en) | The construction method of High Large Cantilever structure | |
| CN104790522A (en) | Prefabricated assembling type steel-reinforced concrete column-steel beam frame structure system and construction method | |
| CN105220808A (en) | Large-span prestressed arch bar site prefabrication construction method of installation | |
| CN209369031U (en) | A kind of assembled steel reinforced concrete frame node attachment device | |
| CN104131700B (en) | A kind of door and window Cast-in-situ Beam casting method and mould | |
| CN103485574B (en) | A kind of granulation tower tower top structure of reinforced concrete method | |
| CN103452350B (en) | Assembling electronic workshop and construction method thereof | |
| CN105648991A (en) | Method for constructing transition sections of through-flow unit channel of hydropower station | |
| CN202000644U (en) | Movable bearing bracket platform | |
| CN203755678U (en) | Upper suspension hoisting type hoisting device for reinforced concrete floor construction | |
| CN210946737U (en) | Water inlet flow passage template | |
| CN202180515U (en) | Window frame precasting mould for buildings | |
| CN203668894U (en) | Concrete prefabricated form structure allowing rapid installation | |
| CN203129572U (en) | Prefabricated concrete formwork and prefabricated building formed by same | |
| CN103056957A (en) | Reinforced concrete precast column vertical type prefabrication method | |
| CN202596161U (en) | Combined formwork device of HR heavy type gantry and reinforced concrete temporary structural column | |
| CN205012645U (en) | Be used for figurate(d) formwork support composite set of special -shaped curved surface structure | |
| CN203905326U (en) | Construction form for construction of roof exhaust pipe piers | |
| CN204662739U (en) | A kind of steel bar truss floor support plate and light-steel light-concrete combining structure | |
| CN204608975U (en) | A kind of prefabricated assembled profile steel concrete column-steel girder frame structural system | |
| CN102425312A (en) | Building translational device | |
| CN210238898U (en) | Buckle formula exempts from to tear open form floor | |
| CN210459289U (en) | Variable cross-section pipe gallery structure suitable for rapid construction | |
| CN102691409A (en) | HR (height regulation) heavy portal frame and temporary reinforced concrete column jointed formwork erecting device and construction method | |
| CN203361631U (en) | Variable-diameter fabricated sliding mode platform of sliding mode system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |