CN106149634B - The SR water sealing structure and its water-stopping method connected between connecting plate and cut-pff wall seam - Google Patents
The SR water sealing structure and its water-stopping method connected between connecting plate and cut-pff wall seam Download PDFInfo
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- CN106149634B CN106149634B CN201610729212.2A CN201610729212A CN106149634B CN 106149634 B CN106149634 B CN 106149634B CN 201610729212 A CN201610729212 A CN 201610729212A CN 106149634 B CN106149634 B CN 106149634B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
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Abstract
The present invention provides the SR water sealing structure connected between a kind of connecting plate and cut-pff wall seam, including cut-pff wall and connecting plate, the junction of the cut-pff wall and connecting plate is big seam, the connecting plate is equipped with and stitches mutually perpendicular crack greatly, and crack one end is connected to big seam, the big seam top surface two sides of the cut-pff wall and downstream connection plate have V-groove, bottommost is provided with rubber bar in the V-groove, base fluid is entirely brushed in rubber bar and its V-groove surface, the pointing SR material in the V-groove for being placed in rubber bar, pass through SR cover plate outside the SR material to be fixed on the concrete surface of big seam two sides；Described sew on greatly is provided with one of waterstop, and the crack one end stitched greatly is being provided with sealing plug.In the present invention when generating differential settlement and moderate finite deformation between cut-pff wall and downstream connection plate, it is ensured that its water-stagnating effect.
Description
Technical field
The present invention relates to the SR water sealing structures and its water-stopping method that connect between a kind of connecting plate and cut-pff wall seam.
Background technique
Filleting, the joint sealing material that SR plastic sealing material East China institute develops exclusively for concrete face rockfill dam joint seal
Material, the main sealing material of built face dam periphery fissure and vertical lap seam in China have included successively the high panel of the first in the world
It succeeds in nearly hundred face dam engineerings including rock-fill dams water cloth a strip of land between hills engineering application.Previous SR plastic sealing material is chiefly used in
Face dam upstream periphery fissure and vertical lap seam, in addition, also using the material in some large hydropower station building surface crack treatments
Material, such as Three Gorges Projects.
In water conservancy and hydropower gate dam engineering works, frequently with upstream cut-pff wall+connecting plate impervious form, using common
Seam between waterstop when, when generating differential settlement between cut-pff wall and downstream connection plate and when moderate finite deformation, water-stagnating effect is often
It is difficult to ensure, which often becomes the key position for determining water-stagnating effect.The present invention creatively proposes, stops between stitching except routine
Outside water band, seam surface setting SR plastic sealing material is connect with connecting plate in cut-pff wall, it is ensured that the position water-stagnating effect.
Summary of the invention
In order to overcome the problems, such as that existing water-stagnating effect is bad, the present invention, which provides, to be connected between a kind of connecting plate and cut-pff wall seam
SR water sealing structure and its water-stopping method, to ensure stop safe water between gate dam building upstream cut-pff wall+connection plate stitch.
The technical solution adopted by the present invention are as follows:
The SR water sealing structure connected between connecting plate and cut-pff wall seam, including cut-pff wall and connecting plate, the cut-pff wall and company
The junction of fishplate bar is big seam, and the connecting plate is equipped with and stitches mutually perpendicular crack greatly, and crack one end is connected to big seam,
The big seam top surface two sides of the cut-pff wall and downstream connection plate have V-groove, and bottommost is provided with rubber in the V-groove
Stick is entirely brushed with base fluid in rubber bar and its V-groove surface, the pointing SR material in the V-groove for being placed in rubber bar, the SR material
On the outer concrete surface for being fixed on big seam two sides by SR cover plate of material；Described sew on greatly is provided with one of waterstop, close
The crack one end stitched greatly is provided with sealing plug.
The big seam top surface two sides of the cut-pff wall and downstream connection plate have the V-groove of 1:1, the V-groove depth
For 10cm~20cm.
The rubber bar given is set using polychloroprene material in bottom in the V-groove, and rubber bar diameter is at least bigger than corresponding slit width
10mm。
It is pressed with zinc-coated flat steel sheet on SR cover plate boundary, PVC press strip is pressed on the zinc-coated flat steel sheet, and be bolted
On the concrete surface of seam two sides greatly.
The big slit width is 4-6cm, and small slit width is 1-2cm.
The waterstop 14 is Copper water stop.
The SR water-stopping method connected between connecting plate and cut-pff wall seam, specific steps are as follows:
1) in horizontally disposed sealing belt construction, in away from cut-pff wall and 11 expansion joint L length range of downstream connection plate,
Horizontal waterstop nose is welded at each 2cm in sealing plug junction two sides, and fixes sealing plug at the position, so
It is poured afterwards according to conventional concrete construction technology, by waterstop and sealing plug Transducers Embedded in Concrete；
2) V-groove of 1:1 is dug out in the big seam top surface two sides of cut-pff wall and downstream connection plate respectively, and V-shaped groove two sides are each
The loosening object, dirt on concrete surface remove within the scope of 15cm, and are rinsed with water clean, natural airing or drying；
3) it is given in 1 bottom of V-shaped groove and sets rubber bar, and in entire V-shaped groove surface full-filling base fluid；
4) complete filleting SR material in the V-groove 1 after step 3), by SR material along concrete seam V-shaped groove, from seam it is intermediate to
Patch 3mm ~ 5mm thickness SR material screed-coat is pressed to SR cover plate width in both sides, and then heap fills out defined SR material shape in slot,
And make smooth surface；
5) it pastes SR cover plate: gradually spreading out SR cover plate, the anti-sticking protection sheet on removing face is affixed to SR material along seam
On screed-coat, paste SR cover plate with basal plane closely knit；
6) expect edge sealing: edge sealing is carried out to each edge of the SR cover plate pasted；
7) it anchors: full construction section being stitched to surface and carries out zinc-coated flat steel sheet, bolt anchoring；
8) construction quality inspection: SR cover plate construct after, use one is pressed, two take off method inspection, evaluation construction quality.
One presses described in step 8) are as follows: is uneven to the surface of SR cover plate construction section and lap-joint, with pressing, inspection is
It is no to deposit bubble, paste leakiness；
Described two take off are as follows: each construction section selects at 1~2, and SR cover plate is opened > 20cm long, checks and is stained with SR on concrete basal plane
The area ratio of material, bonding plane > 90 % show that SR cover plate construction bonding quality is outstanding；Bonding plane > 70 % are to close
Lattice；Bonding plane < 70 % are unqualified；To underproof construction section, the SR cover plate of construction must all be opened, the weight on concrete face
After the new SR plastic filler with SR material is levelling, then SR cover plate sticking construction is carried out, until passing through inspection of quality.
Described two take off in each construction section choose 15m~20m and stitch an a length of construction section.
In step 6, edge sealing is carried out to each edge of SR cover plate 6 pasted by HK961 edge sealing agent.
The invention has the benefit that
1, use the effect of SR water sealing structure for when generation differential settlement and larger change between cut-pff wall and downstream connection plate
When shape, it is ensured that its water-stagnating effect.
2, it is given using bottom and sets rubber bar, SR material is not pressed into seam really to play supporting role.
It is further detailed below with reference to attached drawing.
Detailed description of the invention
Fig. 1 is floor map of the present invention；
Fig. 2 is A-A diagrammatic cross-section of the present invention.
Fig. 3 is B-B diagrammatic cross-section of the present invention.
Appended drawing reference are as follows: 1, V-groove, 2, SR material, 3, PVC press strip, 4, zinc-coated flat steel sheet, 5, bolt, 6, SR cover plate, 7, SR
Plastic filler, 8, sealing plug, 9, waterstop nose；10, cut-pff wall；11, connecting plate；12, big seam；13, crack；14, sealing
Band.
Specific embodiment
Embodiment 1:
In order to overcome the problems, such as that existing water-stagnating effect is bad, the present invention is provided into Fig. 1, Fig. 2, a kind of connection shown in Fig. 3
The SR water sealing structure connected between plate and cut-pff wall seam, to ensure stop safe water between gate dam building upstream cut-pff wall+connection plate stitch.
The SR water sealing structure connected between connecting plate and cut-pff wall seam, including cut-pff wall 10 and connecting plate 11, the cut-pff wall
10 with the junction of connecting plate 11 be big seam 12, and the connecting plate 11 is equipped with and 12 mutually perpendicular cracks 13 of big seam, and small
It stitches 13 one end to be connected to big seam 12, it is characterised in that: the 12 top surface two sides of big seam point of the cut-pff wall 10 and downstream connection plate 11
It is not provided with V-groove 1, bottommost is provided with rubber bar in the V-groove 1, is entirely brushed with base in rubber bar and its 1 surface of V-groove
Liquid, the pointing SR material 2 in the V-groove 1 for being placed in rubber bar, the SR material 2 are fixed on 12 two sides of big seam by SR cover plate 6 outside
Concrete surface on；It is provided with one of waterstop 14 on the big seam 12, is provided with close to 13 one end of crack of big seam 12
Sealing plug 8.
In the present invention, when the waterstop 14 of conventional levels is constructed, in the L length away from cut-pff wall 10 Yu downstream connection plate 11
It in range, is required according to design drawing, horizontal waterstop nose 99 is welded at the 8 each 2cm in junction two sides of sealing plug, and
Using two-weld process that sealing plug 8 is fixed at the position, 8 top of sealing plug should be by SR water sealing structure surface SR cover plate
6 raised radians are fabricated to arc, and keep 5cm or so with 6 spacing of SR cover plate, cannot damage SR cover plate 6.Then according to conventional mixed
Solidifying soil construction technology casting, by 8 Transducers Embedded in Concrete of waterstop 14 and sealing plug.
A T-type structure is formed between the big seam 13 and crack 12, is arranged between the seam of T-type structure connecting plate extended segment
SR sealing and lower part routine waterstop are formed sealing closing by sealing plug 8.
Embodiment 2:
On the basis of embodiment 1, in the present embodiment, 12 top surfaces of big seam of the cut-pff wall 10 and downstream connection plate 11
Two sides have the V-groove 1 of 1:1, and 1 depth of V-groove is 10cm~20cm.
The rubber bar given is set using polychloroprene material in bottom in the V-groove 1, and rubber bar diameter is at least bigger than corresponding slit width
10mm。
It is pressed with zinc-coated flat steel sheet 4 on 6 boundary of SR cover plate, PVC press strip 3 is pressed on the zinc-coated flat steel sheet 4, and by zinc-plated
Setscrew 5 is fixed on the concrete surface of 12 two sides of big seam.
12 width of the big seam are 4-6cm, and 13 width of crack is 1-2cm.
It is 5cm that 12 width of big seam are chosen in the present embodiment, and 13 width of crack is 2cm.Waterstop 14 is Copper water stop.
The depth of V-groove is 10cm~20cm；With wire brush by the loosening on concrete surface within the scope of each 15cm in 1 two sides of V-shaped groove
Object, dirt remove, and are rinsed with water clean, natural airing or drying.
It brushes to SR primer, (glues hand after its surface drying but do not touch with one's hand, brushed under room temperature after SR primer 30~60 minutes), bottom
It gives and sets 2 rubber bars, the existing requirement of national standard neoprene GB/T 14647 should be met, diameter should be 10mm more roomy than respective seam, should be true
Guarantor can be trapped in sealing during water sport, not be pressed into seam to play supporting role.
Filleting SR material 2 in V-groove 1 will be twisted into the SR material 2 of slice, intermediate to both sides from seam along concrete seam V-shaped groove 1
Patch 2 screed-coat of 3mm ~ 5mm thickness SR material is pressed to 6 width of SR cover plate, then heap fills out 2 shape of SR material of design code in slot
Shape, and make smooth surface.
It pastes SR cover plate: gradually spreading out SR cover plate 6, the anti-sticking protection sheet on removing face is affixed to SR material 2 along seam
On screed-coat, most air is caught up with to both sides in the middle part of cover plate with rod or hand, pastes SR cover plate 6 with basal plane closely knit.For that need to take
The position connect must do screed-coat with SR material 2 again, and the lap of splice is greater than 5cm, and overlapping part first brushes SR primer, then into
Row overlap joint is pasted.Material edge sealing: edge sealing is carried out to each edge of SR cover plate 6 pasted with HK961 edge sealing agent, it is desirable that edge sealing is closely knit,
Firm pasting.Anchoring: full construction section is stitched to surface and carries out PVC press strip 3, zinc-coated flat steel sheet 4, the anchoring of bolt 5.
Construction quality inspection: SR cover plate 6 construct after, use one is pressed, two take off method inspection, evaluation construction quality.
Used in the present invention effect of SR water sealing structure for, when between cut-pff wall and downstream connection plate generate differential settlement and
When moderate finite deformation, it is ensured that its water-stagnating effect.It is given using bottom and sets rubber bar, SR material 2 is not really pressed into seam to play support
Effect.
SR water sealing structure provided by the invention extend to connection plate stitch between when, development length be 0.5m~1m.
Sealing plug 8, sealing plug is arranged between T-type structure connecting plate extended segment is stitched in SR water sealing structure provided by the invention
14 two-sided welding of waterstop of 8 bottoms and conventional levels, top, which is given, to be embedded in SR material 2.
In the present invention when generating differential settlement and moderate finite deformation between cut-pff wall 10 and downstream connection plate 11, it is ensured that it stops
Water effect.It is given using bottom and sets rubber bar, SR material 2 is not really pressed into seam to play supporting role.In T-type structure connecting plate
Sealing plug is set between the seam of extended segment, SR sealing and lower part routine waterstop are formed into sealing closing.
Embodiment 3:
On the basis of based on the above embodiment, the present embodiment provides the SR sealings connected between a kind of connecting plate and cut-pff wall seam
Method, specific steps are as follows:
1) when horizontally disposed waterstop 14 is constructed, away from cut-pff wall 10 and 11 expansion joint L length model of downstream connection plate
In enclosing, horizontal waterstop nose 9 is welded at the 8 each 2cm in junction two sides of sealing plug, and at the position by sealing plug
8 is fixed, is then poured according to conventional concrete construction technology, by 8 Transducers Embedded in Concrete of waterstop 14 and sealing plug；
2) V-groove 1 of 1:1 is dug out in the 12 top surface two sides of big seam of cut-pff wall 10 and downstream connection plate 11 respectively, and by V-shaped groove
The loosening object, dirt on concrete surface remove within the scope of each 15cm in 1 two sides, and are rinsed with water clean, natural airing or drying；
3) it is given in 1 bottom of V-shaped groove and sets rubber bar, and in entire 1 surface full-filling base fluid of V-shaped groove；
4) filleting SR material 2 in the V-groove 1 after step 3) is completed, by SR material 2 along concrete seam V-shaped groove 1, from seam
Between to both sides press patch 2 screed-coat of 3mm ~ 5mm thickness SR material to 6 width of SR cover plate, then heap fills out defined SR material in slot
Expect 2 shapes, and makes smooth surface；
5) it pastes SR cover plate 6: gradually spreading out SR cover plate 6, the anti-sticking protection sheet on removing face is affixed to SR material along seam
Expect on 2 screed-coats, pastes SR cover plate 6 with basal plane closely knit；
6) expect edge sealing: edge sealing is carried out to each edge of SR cover plate 6 pasted；
7) it anchors: full construction section being stitched to surface and carries out zinc-coated flat steel sheet 4, the anchoring of bolt 5；
8) construction quality inspection: matter that after SR cover plate 6 is constructed, use one is pressed, two method inspection, the evaluations taken off are constructed
Amount.
One presses described in step 8) are as follows: is uneven to the surface of SR cover plate construction section and lap-joint, with pressing, inspection is
It is no to deposit bubble, paste leakiness；
Described two take off are as follows: each construction section selects at 1~2, and SR cover plate 6 is opened > 20cm long, checks and is stained on concrete basal plane
The area ratio of SR material 2, bonding plane > 90 % show that the construction bonding quality of SR cover plate 6 is outstanding；Bonding plane > 70 % are
It is qualified；Bonding plane < 70 % are unqualified；To underproof construction section, the SR cover plate 6 of construction must all be opened, in concrete face
On again with the SR plastic filler 7 of SR material 2 it is levelling after, then 6 sticking construction of SR cover plate is carried out, until passing through inspection of quality.
Described two take off in each construction section choose 15m~20m and stitch an a length of construction section.
In step 6, edge sealing is carried out to each edge of SR cover plate 6 pasted by HK961 edge sealing agent.
Filleting SR material 2 in V-groove 1 will be twisted into the SR material 2 of slice, intermediate to both sides from seam along concrete seam V-shaped groove 1
Patch 2 screed-coat of 3mm ~ 5mm thickness SR material is pressed to 6 width of SR cover plate, then heap fills out 2 shape of SR material of design code in slot
Shape, and make smooth surface；It pastes SR cover plate 6: gradually spreading out SR cover plate 6, the anti-sticking protection sheet on removing face is pasted along seam
On 2 screed-coat of SR material, most air is caught up with to both sides in the middle part of cover plate with rod or hand, pastes cover plate with basal plane closely knit.It is right
Overlapped that position must do screed-coat with SR material 2 again in needing, and the lap of splice is greater than 5cm, and overlapping part first brushes the bottom SR
Glue, then carry out overlap joint stickup；Material edge sealing: edge sealing is carried out to each edge of SR cover plate 6 pasted with HK961 edge sealing agent, it is desirable that envelope
Side is closely knit, firm pasting；Anchoring: full construction section is stitched to surface and carries out 3-PVC press strip, 4 band steels, the anchoring of 5 bolts.
In the present invention construction quality check when, SR cover plate 6 construct after, use one is pressed, two take off method inspection, comment
Determine construction quality.
One presses: being uneven to the surface of 6 construction section of SR cover plate and lap-joint is checked whether with pressing and deposited bubble, pasted
Leakiness；
Two take off: each construction section (such as 15m~20m stitches an a length of construction section) is selected at 1~2, and SR cover plate 6 is opened > 20cm
It is long, check that the area ratio that SR material 2 is stained on concrete basal plane, bonding plane > 90 % show that the construction bonding quality of SR cover plate 6 is
It is outstanding；Bonding plane > 70 % are qualification；Bonding plane < 70 % are unqualified.It, must be by the SR of construction to underproof construction section
Cover plate 6 is all opened, and after using SR plastic filler 7 levelling again on concrete face, then 6 sticking construction of SR cover plate is carried out, until passing through
Inspection of quality.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
It is within being all belonged to the scope of protection of the present invention with the same or similar design of the present invention.The portion that the present embodiment does not describe in detail
Part, the well-known components of the structures and methods category industry and common structure or conventional means, do not describe one by one here.
Claims (6)
1. the SR water-stopping method connected between a kind of connecting plate and cut-pff wall seam, it is characterised in that: the connecting plate that water-stopping method uses
The SR water sealing structure that connects between cut-pff wall seam, including cut-pff wall (10) and connecting plate (11), the cut-pff wall (10) with connect
The junction of plate (11) is big seam (12), and the connecting plate (11), which is equipped with, stitches (12) mutually perpendicular crack (13) with big, and
Crack (13) one end is connected to big seam (12), it is characterised in that: the big seam of the cut-pff wall (10) and downstream connection plate (11)
(12) top surface two sides have V-groove (1), and the interior bottommost of the V-groove (1) is provided with rubber bar, in rubber bar and its V-type
Slot (1) surface is entirely brushed with base fluid, and the pointing SR material (2) in the V-groove (1) for being placed in rubber bar, the SR material (2) is led to outside
SR cover plate (6) is crossed to be fixed on the concrete surface of big seam (12) two sides；One of waterstop is provided on the big seam (12)
(14), crack (13) one end of big seam (12) is being provided with sealing plug (8)；
By above-mentioned water sealing structure come sealing the specific steps are that:
1) when horizontally disposed waterstop (14) construct, away from cut-pff wall (10) and downstream connection plate (11) expansion joint L length
In range, horizontal waterstop nose (9) is welded at sealing plug (8) each 2cm in junction two sides, and will only at the position
Water blocking head (8) is fixed, is then poured according to conventional concrete construction technology, waterstop (14) and sealing plug (8) is embedded to mixed
Solidifying soil；
2) V-groove (1) of 1:1 is dug out in big seam (12) top surface two sides of cut-pff wall (10) and downstream connection plate (11) respectively, and by V
The loosening object, dirt on concrete surface remove within the scope of shape slot (1) each 15cm in two sides, and are rinsed with water clean, natural airing or drying；
3) it is given in V-shaped groove (1) bottom and sets rubber bar, and in entire V-shaped groove (1) surface full-filling base fluid；
4) the interior filleting SR material (2) of V-groove (1) after completing step 3), by SR material (2) along concrete seam V-shaped groove (1), from
Seam is intermediate to press patch 3mm ~ 5mm thickness SR material (2) screed-coat to SR cover plate (6) width to both sides, and then heap fills out rule in slot
Fixed SR material (2) shape, and make smooth surface；
5) it pastes SR cover plate (6): gradually spreading out SR cover plate (6), the anti-sticking protection sheet on removing face, be affixed to SR material along seam
Expect on (2) screed-coat, pastes SR cover plate (6) with basal plane closely knit；
6) expect edge sealing: edge sealing is carried out to each edge of the SR cover plate (6) pasted by HK961 edge sealing agent；
7) it anchors: full construction section being stitched to surface and carries out zinc-coated flat steel sheet (4), bolt (5) anchoring；
8) construction quality inspection: SR cover plate (6) construct after, use one is pressed, two take off method inspection, evaluation construction quality；
Described one presses are as follows: is uneven to the surface of SR cover plate construction section and lap-joint is checked whether with pressing and deposited bubble, pasted
Leakiness；Described two take off are as follows: each construction section selects at 1~2, and SR cover plate (6) is opened > 20cm long, checks and is stained on concrete basal plane
The area ratio of SR material (2), bonding plane > 90 % show that SR cover plate (6) construction bonding quality is outstanding；Bonding plane > 70 %
It is qualification；Bonding plane < 70 % are unqualified；To underproof construction section, the SR cover plate (6) of construction must all be opened,
After using the SR plastic filler (7) of SR material (2) levelling again on concrete face, then SR cover plate (6) sticking construction is carried out, until passing through
Inspection of quality；Described two take off in each construction section choose 15m~20m and stitch an a length of construction section.
2. the SR water-stopping method connected between a kind of connecting plate according to claim 1 and cut-pff wall seam, it is characterised in that: institute
Big seam (12) the top surface two sides for stating cut-pff wall (10) and downstream connection plate (11) have the V-groove (1) of 1:1, the V-groove
(1) depth is 10cm~20cm.
3. the SR water-stopping method connected between a kind of connecting plate according to claim 1 and cut-pff wall seam, it is characterised in that: institute
It states V-groove (1) interior bottom and sets the rubber bar given using polychloroprene material, rubber bar diameter is 10mm at least bigger than corresponding slit width.
4. the SR water-stopping method connected between a kind of connecting plate according to claim 1 and cut-pff wall seam, it is characterised in that: institute
It states and is pressed with zinc-coated flat steel sheet (4) on SR cover plate (6) boundary, is pressed with PVC press strip (3) on the zinc-coated flat steel sheet (4), and by zinc-plated swollen
Swollen screw (5) is fixed on the concrete surface of big seam (12) two sides.
5. the SR water-stopping method connected between a kind of connecting plate according to claim 1 and cut-pff wall seam, it is characterised in that: institute
Stating big seam (12) width is 4-6cm, and crack (13) width is 1-2cm.
6. the SR water-stopping method connected between a kind of connecting plate according to claim 1 and cut-pff wall seam, it is characterised in that: institute
The waterstop (14) stated is Copper water stop.
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| CN110820685A (en) * | 2019-11-05 | 2020-02-21 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for treating SR (surface crack) anti-seepage cover plate of surface layer of arch dam body |
| CN111305385B (en) * | 2020-03-03 | 2021-05-04 | 温州大学瓯江学院 | High-efficient concatenation formula house structure |
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| CN106149634A (en) | 2016-11-23 |
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