CN206273898U - A kind of dirty groove of U-shaped section of Fast Installation - Google Patents
A kind of dirty groove of U-shaped section of Fast Installation Download PDFInfo
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- CN206273898U CN206273898U CN201621365411.1U CN201621365411U CN206273898U CN 206273898 U CN206273898 U CN 206273898U CN 201621365411 U CN201621365411 U CN 201621365411U CN 206273898 U CN206273898 U CN 206273898U
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- groove
- type groove
- dirty
- fast installation
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Abstract
The utility model discloses a kind of U-shaped section of dirty groove of Fast Installation, connect to forming the U-type groove section of pipelined channel including multistage, each U-type groove section side is fixed on concrete wall surface, and the upstream end of U-type groove section is provided with the upper hem being folded in groove, and downstream is provided with the lower hem being folded to outside groove；The lower hem of the upstream slot section in two neighboring U-type groove section and the upper hem phase clasp joint of downstream slot section, and seam crossing is provided with ring rubber water-proof bar.Of the present utility model section of dirty groove can have been carried out good row and fallen on the premise of construction speed and construction quality is ensured to dam body two sides construction waste water, realize the dry ground operation in dam filing area, be that the complete of engineering is built and retaining creates safely good condition；And with install it is simple, be easy to makings, good economy performance, adaptability is good, quality guarantee rate is high, repeatable utilization the features such as.
Description
Technical field
The utility model is related to earth and rockfill dam filling construction facility technology field, U-shaped section of dirt of specially a kind of Fast Installation
Groove.
Background technology
In earth-rock works contact clay generally fill in two sides cover plate concrete contact site and with core-wall gravelly soil
Material contact site, as " buffer body " of coordinating soft, hard medium different distortion, primarily serves the effect for adapting to dam deformation, together
When should also have certain plasticity, thixotropy, viscosity, resistance to compression and intensity.
If seepage occur in core-wall area two sides grouting slurries, its slurries will be flowed directly into contact clay reclamation district, due to slurry
The presence of liquid layer, will form a seepage channel, cause high degree influence safely on the retaining of dam body.Meanwhile, be in the milk slurries
Infiltration fill material earth material, filter material, Transition Materials, in stockpile, its cement mortar with fill material it is warm after will form block oversize stone,
Will be unable to play the effect compatible deformation for filling material and function.When fill material pollute it is removed when, can be made to filling material
Into waste, substantial amounts of time, machinery are consumed, its filled soils will be directly affected, it is impossible to realize continuous construction operation, engineering is applied
Work causes certain economic loss.
During earth and rockfill dam filling construction, due to being arranged by project under construction, duration, working procedure is influenceed, and is often existed
The present situation that core-wall area earth material filling building intersects with top cementing operations.In order to ensure dam filing quality, at the same make dam filing and
Grouting works are smoothed out, and are set on the concrete cover generally in grout compartment and between filling layer and cut a dirty groove.
The conventional dirty groove that cuts is made using light-duty iron sheet, needs to carry out the erection of track first during installation,
Then carry out cutting the shaping and fixation of dirty channel skin again.This kind cuts dirty groove and can substantially realize the row of sewage slurries function, but deposits
In certain defect：Cut between dirty groove and connected using overlap joint, slurries Seepage easily occurs in overlapping part；Cut dirty groove and concrete
Closed using mortar between cover plate, meet high temperature season or crack or obscission easily occurs in adverse circumstances mortar, the position
Easily there is slurries Seepage；, easily there is disrepair phenomenon in light-duty iron sheet low intensity；Install and remove complex procedures；Running
In need to carry out long term maintenance.Due to cutting the presence of dirty groove series of defect, lead to not meet rapid construction and earth and rockfill dam is filled and applied
The requirement of working medium amount.
Utility model content
Regarding to the issue above, the purpose of this utility model is to provide one kind to ensure construction speed and construction quality
On the premise of, while good row can have been carried out to dam body two sides construction waste water falling, realize the dry ground operation of dam filing area
The dirty groove of U-shaped section of Fast Installation.Technical scheme is as follows：
A kind of dirty groove of U-shaped section of Fast Installation, including multistage connects to forming the U-type groove section of pipelined channel, each U-type groove section side
Face is fixed on concrete wall surface, and the upstream end of U-type groove section is provided with the upper hem being folded in groove, and downstream is provided with and is folded to outside groove
Lower hem；The lower hem of the upstream slot section in two neighboring U-type groove section sets with the upper hem phase clasp joint of downstream slot section, and seam crossing
There is ring rubber water-proof bar.
Further, it is provided with oblique rubber water-proof bar at the gap between the affixed side and concrete wall surface of the U-type groove section.
Further, the U-type groove section and oblique rubber water-proof bar are fixed by expansion bolt.
Further, it is provided with rubber O-ring seal at the nut of the expansion bolt.
The beneficial effects of the utility model are：Of the present utility model section of dirty groove can ensure construction speed and construction quality
On the premise of, good row is carried out to dam body two sides construction waste water and has been fallen, the dry ground operation in dam filing area is realized, it is engineering
Complete build and retaining creates safely good condition；And with install it is simple, be easy to that making, good economy performance, adaptability is good, matter
Amount fraction is high, repeat the features such as utilizing.
Brief description of the drawings
Fig. 1 is the U-shaped section of lateral generalized section of dirty groove of the utility model Fast Installation.
Fig. 2 is the U-shaped section of cell body horizontal section scheme of installation of dirty groove of the utility model Fast Installation.
In figure：1- U-type grooves section；2- rubber O-ring seals；3- expansion bolts；The oblique rubber water-proof bars of 4-；5- concrete walls
Face；6- ring rubber water-proof bars；7- upper hems；8- lower hems；9- upstream slots section；10- downstream slots section.
Specific embodiment
Do further detailed to the technical solution of the utility model and technique effect with specific embodiment below in conjunction with the accompanying drawings
Explanation.As depicted in figs. 1 and 2：A kind of dirty groove of U-shaped section of Fast Installation, including multistage connects to forming the U-type groove section of pipelined channel
1, each 1 side of U-type groove section is fixed on concrete wall surface 5, and the upstream end of U-type groove section 1 is provided with the upper hem 7 being folded in groove, under
Trip end is provided with the lower hem 8 being folded to outside groove；The lower hem 8 of the upstream slot section 9 in two neighboring U-type groove section 1 and downstream slot section 10
The phase clasp joint of upper hem 7, and seam crossing is provided with ring rubber water-proof bar 6.
Using the segmentation fixed installation of U-type groove section 1, it is to avoid be the erection of traditional construction middle orbit, assembling and disassembling operation is simple,
It is easy to safeguard.Using the mode of clasp joint, and the gap between upper hem 7 and lower hem 8 is carried out using ring rubber water-proof bar 6
Filling, reaches water-stagnating effect, effectively prevent the generation that slurries Seepage easily occurs in conventional overlapping part.
Dam filing, cover plate concrete, grouting construction operation, technique and arrangement of time are combined in construction, before dam filing
The construction waste water of two sides is excluded using U-shaped section of dirty groove, cutting dirty groove end should stretch into rockfill outside.With cover plate coagulation
The rotation that soil, grouting, the rising of dam embankment cut dirty groove replaces.
Oblique rubber water-proof bar 4 is provided with gap between the affixed side and concrete wall surface 5 of the U-type groove section 1 of the present embodiment,
Play the effect of sealing.Using oblique rubber water-proof bar 4 gap between concrete wall surface 5 and concrete wall surface is carried out instead of mortar
Filling, not only avoid and run into high temperature season or adverse circumstances, because there is crack in mortar or comes off and caused by slurries seepage
Phenomenon, and rubber water-proof bar 4 has stronger adaptability, it is to avoid the setting time of mortar, after U-shaped section of dirty groove is installed
The scene row of carrying out falls to work.
U-type groove section 1 and concrete wall surface 5 are connected as an entirety, U-type groove 1 He of section by the present embodiment by expansion bolt 3
Oblique rubber water-proof bar 4 is fixed also by expansion bolt 3, convenient disassembly, and solid and reliable.It is provided with the nut of expansion bolt 3
Rubber O-ring seal 2, plays the effect of sealing.Rubber O-ring seal, sealing rod should have certain toughness and intensity, be suitable for scene
The change of condition.
The purpose of the dirty groove of U-shaped section of the present embodiment is that two sides grouting slurries arrange difficult asking during solving rock fill dam construction
Topic, needs to be carried out with reference to on-site actual situations in implementation process；For the benefit of the row of slurries falls, and the gradient of U-shaped section of dirty groove should be greater than
10°；
U-type groove section 1 uses thickness to be made up of the steel plate of 5mm, and size is that (* * wide long are high for 100cm*30cm*30cm）, so as to
In live quick-assembling, dismounting；U-shaped section of dirty groove upper hem 7 and the length of lower hem 8 are 3.0cm, for ease of live quick-assembling,
Remove, flanging is 7mm with U-type groove 1 spacing of section（More than steel plate thickness 2.0mm）.For ease of two smooth splicings of U-type groove section 1,
Upper hem 7 and lower hem 8 use grading structure, gradual change（Reduce）Size is a section dirty channel-section steel plate thickness.
Each U-type groove section 1 and corresponding oblique rubber water-proof bar all should uniformly reserve 3~4 holes, be easy to expanding screw
The installation of bolt, while can also strengthen oblique rubber water-proof bar and the degree of adhesion between pouring concrete.
Setting height(from bottom) and position that actual conditions reasonable selection cuts dirty groove should be combined during field conduct, is mainly implemented suitable
Sequence is：
（1）Linear to the dirty groove installation in Jie Wu areas section to carry out unwrapping wire, the blowdown gradient should be greater than 10%；
（2）According to linear expansion bolt 3 and the making hole construction of concrete wall surface 5 of carrying out of draining；
（3）Rubber O-ring seal 2, oblique rubber water-proof bar 4 are installed on 3 in expansion bolt；
（4）U-type groove section 1, rubber O-ring seal 2, expansion bolt 3, oblique rubber water-proof bar 4 are fixedly secured in concrete walls
On face 5；
（5）The lower hem 8 of upstream slot section 9 is fixed installation with the phase clasp joint of upper hem 7 of downstream slot section 10；
（6）The gap between upper hem 7 and lower hem 8 is clogged using ring rubber water-proof bar 6；
（7）Above-mentioned sequence of construction is repeated, until forming whole drainage channel, cutting dirty groove end should stretch into rockfill outside,
Reach the purpose for cutting dirt, discharging pollution.
Implementation-specific consideration：
（1）, U-shaped section of dirty groove should carry out setting-out work before installing, it is ensured that blowdown is smooth；
（2）, U-shaped section of dirty groove end should stretch out rockfill outside, with certain precipitation measure；
（3）, U-shaped section of dirty slot welding should do corresponding infiltration test in connecing manufacturing process；
（4）, rubber O-ring seal, oblique rubber water-proof bar size should match with expansion bolt, it is to avoid seepage；
（5）, oblique rubber water-proof bar installation position should clean to concrete slab, it is to avoid there is dust, scum silica frost scene,
Influence water-stagnating effect；
（6）, concrete slab should be as far as possible smooth, uneven place occur should be made up a deficiency using rubber strip；
（7）, expansion bolt should firmly install, it is to avoid occur loosening phenomenon；
（8）, during field conduct should according to filling, be in the milk, concrete work lifting height carries out U-shaped section of dirty groove in time
The adjustment of setting height(from bottom).
Engineering application：Sill may power station long is located at Sichuan Province Tibetan Autonomous Prefecture of Garze Dardo County within the border, is Dadu River mainstream
10th grade of power station of Construction of Step Hydropower Station, Project Areas are located on below Upper Reaches of Dadu River Jin Tanghekou about 4km~7km sections, dam
Away from Danba county town 82km on location, under away from Luding county town 49km.Power station total installation of generating capacity 2600MW, reservoir operation scheme 1690m,
Height of dam 240m, with season regulating power.
Sill may power plant dam long has the features such as filling complicated, long in time limit material, height of dam.Construction time is filled, concrete is poured
Build, two sides grouting the cross-operation time it is long.In this regard, the fine of each link should be carried out for the construction quality of superelevation earth rockfill dam with central core
Control, falls for the row of grouting slurries and controls one important step that will also turn into dam filing quality control.
After this engineering is using a kind of U-shaped section of dirty groove of Fast Installation, on the premise of construction speed and construction quality is ensured,
Dam body two sides construction waste water has been carried out by good row has fallen, the dry ground operation in dam filing area has been realized, be engineering it is complete build and
Retaining creates safely good condition.Experience can be provided for similar engineering.
Claims (4)
1. U-shaped section of a kind of Fast Installation dirty groove, it is characterised in that connect to forming the U-type groove section of pipelined channel including multistage
（1）, each U-type groove section（1）Concrete wall surface is fixed in side（5）On, U-type groove section（1）Upstream end be provided be folded to it is upper in groove
Flanging（7）, downstream is provided with the lower hem being folded to outside groove（8）；Two neighboring U-type groove section（1）In upstream slot section（9）Lower folding
Side（8）With downstream slot section（10）Upper hem（7）Phase clasp joint, and seam crossing is provided with ring rubber water-proof bar（6）.
2. U-shaped section of Fast Installation according to claim 1 dirty groove, it is characterised in that the U-type groove section（1）Fixation
Side and concrete wall surface（5）Between gap at be provided with oblique rubber water-proof bar（4）.
3. U-shaped section of Fast Installation according to claim 2 dirty groove, it is characterised in that the U-type groove section（1）With it is oblique
Rubber water-proof bar（4）By expansion bolt（3）It is fixed.
4. U-shaped section of Fast Installation according to claim 3 dirty groove, it is characterised in that the expansion bolt（3）Nut
Place is provided with rubber O-ring seal（2）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621365411.1U CN206273898U (en) | 2016-12-13 | 2016-12-13 | A kind of dirty groove of U-shaped section of Fast Installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621365411.1U CN206273898U (en) | 2016-12-13 | 2016-12-13 | A kind of dirty groove of U-shaped section of Fast Installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206273898U true CN206273898U (en) | 2017-06-23 |
Family
ID=59063713
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621365411.1U Expired - Fee Related CN206273898U (en) | 2016-12-13 | 2016-12-13 | A kind of dirty groove of U-shaped section of Fast Installation |
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| Country | Link |
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| CN (1) | CN206273898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498956A (en) * | 2016-12-13 | 2017-03-15 | 中国水利水电第五工程局有限公司 | A kind of dirty groove of U-shaped section of Fast Installation |
-
2016
- 2016-12-13 CN CN201621365411.1U patent/CN206273898U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498956A (en) * | 2016-12-13 | 2017-03-15 | 中国水利水电第五工程局有限公司 | A kind of dirty groove of U-shaped section of Fast Installation |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170623 Termination date: 20211213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |