CN110205988A - It is a kind of to be discharged the dual water-stopping system and its construction technology that box culvert is connect with new and old - Google Patents
It is a kind of to be discharged the dual water-stopping system and its construction technology that box culvert is connect with new and old Download PDFInfo
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- CN110205988A CN110205988A CN201910552227.XA CN201910552227A CN110205988A CN 110205988 A CN110205988 A CN 110205988A CN 201910552227 A CN201910552227 A CN 201910552227A CN 110205988 A CN110205988 A CN 110205988A
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- 238000010276 construction Methods 0.000 title claims abstract description 64
- 230000009977 dual effect Effects 0.000 title claims abstract description 23
- 238000005516 engineering process Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 103
- 238000005086 pumping Methods 0.000 claims abstract description 68
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229910052802 copper Inorganic materials 0.000 claims abstract description 58
- 239000010949 copper Substances 0.000 claims abstract description 58
- 238000005520 cutting process Methods 0.000 claims abstract description 55
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 238000009434 installation Methods 0.000 claims abstract description 29
- 238000005452 bending Methods 0.000 claims abstract description 19
- 241000196324 Embryophyta Species 0.000 claims description 62
- 229910003460 diamond Inorganic materials 0.000 claims description 14
- 239000010432 diamond Substances 0.000 claims description 14
- 241000763859 Dyckia brevifolia Species 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000011405 expansive cement Substances 0.000 claims description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 4
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000008030 elimination Effects 0.000 claims description 3
- 238000003379 elimination reaction Methods 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 239000004568 cement Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/02—Making or lining canals
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The present invention relates to the engineering structure technical field of water conservancy construction, espespecially a kind of dual water-stopping system being connect with new and old water outlet box culvert and its construction technology, including the first, second water sealing structure, pumping plant section, dyke section box culvert；Pumping plant section box culvert and dyke section box culvert are embed-type installation, and the first, second water sealing structure is installed on the longitudinally cutting face of pumping plant section box culvert；Rectangle closed loop threadiness locating slot is provided on the longitudinally cutting face of pumping plant section box culvert, first water sealing structure is copper seal, second water sealing structure is rubber fastening band, copper seal is overall shaped into the downward stereochemical structure of middle part bending protrusion, both ends bending, for copper seal through installation by adhering in the middle part of protrusion at locating slot, rubber fastening band tight type is jointly mounted to the periphery of copper seal；The present invention keeps sealing mass effect more preferable by dual water sealing structure system of the copper seal in conjunction with rubber waterproof belt with expansion when in water, and construction efficiency is promoted, construction cost reduces, construction safety coefficient is higher and more stable.
Description
Technical field
The present invention relates to the engineering structure technical field of water conservancy construction, it is espespecially a kind of connect with new and old water outlet box culvert it is dual
Water-stopping system and its construction technology.
Background technique
In hydraulic and hydroelectric engineering, water drainage work be the important engineering duty of one of them, in engineering construction by pair
Pump station structure is updated transformation, to realize the water drainage requirement in flooded area, and is discharged the important component that box culvert is pump station structure,
Since water outlet box culvert quality requirement is high, construction needs to take a significant amount of time, and the construction time is too long to directly affect pumping station operation effect,
Therefore it in the case where guaranteeing quality, water drainage safety, needs to accelerate to be discharged box culvert construction speed, it is made to shorten the construction time, and
Have water drainage condition, competence exertion social benefit as early as possible, but is still at present to need fastidious ask for how to accelerate construction progress
Topic.
In water outlet box culvert construction work, the installation of water sealing structure is the important construction working of one of them, currently used for
The water sealing structure of water outlet box culvert generallys use copper seal, and major way is pre-buried at parting while casting concrete stops
Water copper sheet, the operating procedure is also more simple under simple environment；But under large complicated construction environment, according to mesh
There are still more disadvantages for condition under equipment and technology limitation for preceding construction method.
The difficult point of construction method is embodied at present: first point, on construction cost and progress: due to logical to pump house section box culvert
Cross and manually removed using hand impact gun so that not only construction personnel's investment is big, high labor cost, and manual demolition job execution into
Exhibition is slow, is unable to satisfy construction period；Second point, in terms of flatness: passing through traditional artificial use hand wind to pump house section box culvert
Big gun is removed or mechanical big gun machine is abolished, but two kinds of dismounting modes cause the flatness in dismounting face to be difficult to control, and is unable to satisfy new
Second hand cases contain requirement of the connection to flatness；Thirdly, in terms of safety: when being abolished to pump house section box culvert using mechanical big gun machine,
It vibrates larger in work progress, pump room structure is influenced big, it is possible to create crack not can guarantee pump house safety；It 4th point, is planting
Enter fixed aspect: because conventional construction method is the embedded water stop copper sheet in casting concrete, can not solve in original concrete knot
Fixed copper seal is implanted into structure；5th point, in terms of water-stagnating effect: carrying out sealing, new and old box culvert using single copper seal
Easily there is leak and leakage phenomenon in junction.For synthesis, larger space is required in constructing structure design and technique at present
Ground improves, and could promote the guarantee of construction progress and high quality of constructing.
Summary of the invention
To solve the above problems, the present invention is directed to the engineering structure technical field of open water conservancy construction, it is espespecially a kind of and new
It is old water outlet box culvert connection dual water-stopping system and its construction technology, reach speed of application is fast, at low cost, safety coefficient is high, only
The good progress function of water quality effect.
To achieve the above object, the technical solution adopted by the present invention is that: it is a kind of with it is new and old water outlet box culvert connect it is dual stop
Water system is mounted between pumping plant section and dyke section, the installation and construction area of pumping plant section and dyke section for new and old water outlet box culvert,
It is characterized in that, the dual water-stopping system mainly includes the first water sealing structure, the second water sealing structure, pumping plant section box culvert and dyke
Section box culvert；Pumping plant section box culvert and dyke section box culvert are embed-type installation, and the first water sealing structure is installed in the second water sealing structure
On the longitudinally cutting face of pumping plant section box culvert；Wherein, it is arranged on the longitudinally cutting face of pumping plant section box culvert close to four edge of box culvert
There is the rectangle closed loop threadiness locating slot for rounding and opening up, the first water sealing structure is copper seal, and the second water sealing structure is rubber
Waterstop, copper seal is long laminated structure, entirely through the solid that bending and molding is middle part bending protrusion, both ends bending is downward
Structure, for copper seal through installation by adhering in the middle part of protrusion at locating slot, rubber fastening band tight type is jointly mounted to sealing
The periphery of copper sheet.
A kind of construction technology for the dual water-stopping system being connect with new and old water outlet box culvert, which is characterized in that the construction
Technique mainly comprises the steps that
S1, dismounting box culvert is carried out in dyke section；
S2, cutting box culvert is carried out in pumping plant section；
S3, locating slot to install copper seal is cut；
S4, copper seal is installed into positioning along locating slot；
S5, rubber fastening band is puted up on copper seal periphery；
S6, box culvert concrete structure construction is carried out.
Preferably, the step S1 is carried out in dismounting box culvert in dyke section further include:
S1-1, big gun machine is used to remove old flood control lockage chamber first, to excavate out internal box culvert body；
S1-2, copper seal is secondly cut off from expansion joint, be separated from each other the box culvert of dyke section and the box culvert of pumping plant section；
S1-3, the box culvert that dyke section is thirdly removed using big gun machine, and the concrete clinker after dismounting is cleared to slag
?；
S1-4, the concrete clinker being scattered finally by manual cleaning pumping plant section box culvert periphery are next step pumping plant section case
A good face preparation is created in the cutting of culvert.
Preferably, the step S2 is carried out in cutting box culvert in pumping plant section further include:
S2-1, cut surface position is determined: according to the design length reserved after the cutting of pumping plant section box culvert, live unwrapping wire positioning,
Check it is errorless after be marked；
S2-2, lacing hole apply brill: diamond core drill bit being used to spud in out diameter from pumping plant section box culvert cut surface bottom plate as 6cm
Hole, the lacing hole applied when cutting box culvert as diamond-wire saw；
S2-3, diamond-wire saw installation: the fixed guide track and movement that first installation cooperation diamond-wire saw uses
Formula wheel group, and adjusting fixed guide track and mobile wheel group keeps rope saw elastic moderate, and oil pressure cntrol behaviour is finally mounted and connected
Make system；
S2-4, the cutting of pumping plant section box culvert body: diamond-wire saw cutting debugging, debugging are carried out before the cutting of pumping plant section box culvert body
The cutting of box culvert body is carried out after the completion；
S2-5, be crushed and clear: the box culvert block generated after cutting is crushed in situ using big gun machine, and clear in time
Transport construction site.
Preferably, the step S3 is cut in the locating slot to install copper seal further include:
After the completion of S3-1, pumping plant section box culvert body separation cutting and elimination, the setting-out snap the line at box culvert body cut surface；
S3-2, the cutting position according to locating slot, install the fixed guide rail and circular saw of circular diamond sawblade, and connect
Its oil pressure cntrol operating system；
S3-3, confirmation fixed guide rail and the errorless rear progress trial cut of circular saw connection, to verify fixed guide rail and disk
Saw the fastness of installation；
S3-4, starting oil pressure cntrol operating system, are arranged cutting groove depth parameter, and cutting automatically to box culvert body can be completed
Slot；
S3-5, sprinkling water during grooving to cut place keeps wet, to reduce the operating temperature of circular diamond sawblade；
After the completion of S3-6, cutting, carry out cutting middle section formation slot using artificial.
Preferably, the step S4 is by copper seal along locating slot installation positioning further include:
S4-1, by copper seal from laminated structure bending and molding be middle part bending it is upward, the downward type of both ends bending
Material structure, and inlayed and be mounted on locating slot by central protrusion position；
S4-2, copper seal edge is packed in using expansive cement mortar, to reinforce copper seal consolidating on locating slot
It is fixed.
Preferably, the step S5 is puted up in rubber fastening band on copper seal periphery further include:
It is rubber waterproof belt with expansion when in water that S5-1, rubber fastening band, which are selected,；
S5-2, comprehensive cover type puts up rubber water-proof on the cut surface of copper seal side and pumping plant section box culvert body
Band.
Preferably, the step S6 is carried out in box culvert concrete structure construction further include:
S6-1, first from box culvert body bottom plate carry out concreting；
S6-2, side wall is then poured；
S6-3, top plate is finally poured；
S6-4, it is forbidden to use in the concrete close to two water sealing structure positions using steel bar end by artificial vibration compacting
Vibrating head vibrates, and avoids damage to the water sealing structure installed.
The beneficial effects of the present invention are embodied in: the present invention is double in conjunction with rubber waterproof belt with expansion when in water by copper seal
Weight water sealing structure system, keeps sealing mass effect more preferable, and during integral construction, construction efficiency is promoted, construction cost reduces,
Construction safety coefficient is higher and more stable.
The functionality advantage realized for construction technology is embodied in:
1) pump house section box culvert is cut and disassembled using diamond rope saw, greatly accelerates Demolition Construction progress, meets work
Phase requires, and reduces construction cost；
2) pumping plant section box culvert is cut and disassembled using diamond rope saw, construction operation is without friction, to pump room structure without shadow
It rings, ensure that its structure safety；
3) pumping plant section box culvert is cut and disassembled using diamond rope saw, meets new and old box culvert contact surface to flatness
Requirement；
4) cutting of copper seal locating slot is carried out using circular diamond sawblade, and using swollen made of silicate expanding cement
Swollen cement mortar carries out copper seal and fixes, and solves the problems, such as to be implanted into copper seal in original concrete structure；
5) dual sealing is carried out using copper seal and rubber waterproof belt with expansion when in water, sealing mass effect is more preferable.
Detailed description of the invention
Fig. 1 is the pumping plant scene structure schematic diagram before the new and old water outlet box culvert of the present invention is built up.
Fig. 2 is the pumping plant scene structure schematic diagram after the new and old water outlet box culvert of the present invention is built up.
Fig. 3 is the box culvert structure figure before present invention installation water sealing structure.
Fig. 4 is the box culvert structure figure after present invention installation water sealing structure.
Fig. 5 is the cross-sectional view of water sealing structure of the present invention.
Attached drawing mark explanation: 1- pumping plant section, 2- dyke section, the first water sealing structure of 3-, the second water sealing structure of 4-, 5- dyke section
Box culvert, 6- pumping plant section box culvert, 7- locating slot, 8- flood control lockage chamber.
Specific embodiment
The embodiment of the invention will now be described in detail with reference to the accompanying drawings:
The main project under construction of pumping plant includes: to be replaced (1 ∽ 3# water pump machine to former 3 water pump assemblies in the present embodiment
Group), and increase 1 unit (4# water pump assembly) newly, Song Long Design of Pump Station drain discharge is 92.0m3/s after renovating, and installation is held
Amount is 7200KW, and water drainage standard is to meet within 10 years one run-off 3 days drained, the collective area 268.24km2 that 24 hours heavy rains generate,
It is 50 annual flood of return period that pumping plant water retaining structure, which designs flood control standard, and pumping plant belongs to II and waits big (2) type engineering, key construction
It is 2 grades, secondary structure is 3 grades, and temporay building is 4 grades；
According to design drawing, the pump house superstructure of 1 ∽ 3# water pump assembly need to be removed and be rebuild, retain substructure；It is whole
Body removes the old water outlet box culvert of 1 ∽ 3# water pump assembly, and 1 ∽ 3# water pump assembly of reconstruction water outlet box culvert and newly-built 4# water pump assembly go out
Water tank is contained, and is attached wherein rebuilding 1 ∽ 3# water pump assembly water outlet box culvert with 1 ∽ 3# water pump assembly pump house substructure concrete.
A kind of dual water-stopping system being connect with new and old water outlet box culvert, in construction of pumping station in-site installation in pumping plant section 1 and dike
Between anti-section 2, pumping plant section 1 and dyke section 2 are the new and old installation for being discharged box culvert and construction area, and the present embodiment is by removing old water outlet
Box culvert, installation are discharged box culvert and the dual water sealing structure of installation newly to complete the construction of whole system, the dual water-stopping system
It mainly include the first water sealing structure 3, the second water sealing structure 4, pumping plant section box culvert 6 and dyke section box culvert 5；Pumping plant section box culvert 6 and dike
Anti- section of box culvert 5 is embed-type installation, and the longitudinal direction that the first water sealing structure 3 is installed in pumping plant section box culvert 6 with the second water sealing structure 4 is cut
On face；Wherein, four edge of box culvert is being provided with the square for rounding and opening up on the longitudinally cutting face of pumping plant section box culvert 6
Shape closed loop threadiness locating slot 7, the first water sealing structure 3 are copper seal, and the second water sealing structure 4 is rubber fastening band, copper seal
For long laminated structure, entirely through the stereochemical structure that bending and molding is middle part bending protrusion, both ends bending is downward, copper seal is logical
Crossing installation by adhering in the middle part of protrusion, at locating slot 7, rubber fastening band tight type is jointly mounted to the periphery of copper seal.
A kind of construction technology for the dual water-stopping system connecting with new and old water outlet box culvert, the construction technology mainly include
Following steps:
S1, dismounting box culvert is carried out in dyke section 2, specifically further include:
S1-1, big gun machine is used to remove old flood control lockage chamber 8 first, to excavate out internal box culvert body；
S1-2, copper seal is secondly cut off from expansion joint, divide the box culvert of dyke section 2 and the box culvert of pumping plant section 1 mutually
From；It reduces when removing dyke section box culvert 5 to vibration caused by pump house section box culvert, pump house section box culvert is thus prevented to be broken
It is bad；
S1-3, the box culvert that dyke section 2 is thirdly removed using big gun machine, and the concrete clinker after dismounting is cleared to slag
?；To prevent the concrete clinker generated in demolishing process from entering in pumping plant by pumping plant section box culvert 6, using plank sheathing from pump
It is blocked in standing, prevents clinker from polluting pumping plant；
S1-4, the concrete clinker being scattered finally by 6 periphery of manual cleaning pumping plant section box culvert are next step pumping plant section case
A good face preparation is created in the cutting for containing 6.
S2, cutting box culvert is carried out in pumping plant section 1, specifically further include:
S2-1, cut surface position is determined: the design length reserved after being cut according to pumping plant section box culvert 6, live unwrapping wire positioning,
Check it is errorless after be marked；And mutually checked by different survey crews, accomplish that an accurate rear line of ink marker of drawing marks；
S2-2, lacing hole apply brill: being spudded in out directly using diamond core drill bit (water drilling) from 6 cut surface bottom plate of pumping plant section box culvert
Diameter is the hole of 6cm, the lacing hole applied when cutting box culvert as diamond-wire saw；
S2-3, diamond-wire saw installation: the fixed guide track and movement that first installation cooperation diamond-wire saw uses
Formula wheel group, diamond-wire saw, mobile wheel group center must be kept in the same plane with cut surface, then by lacing hole,
Mobile wheel group passes around rope and saws, and adjusting fixed guide track and mobile wheel group keeps rope saw elastic moderate, finally installs and connects
Connect oil pressure cntrol operating system；
S2-4, the cutting of 6 body of pumping plant section box culvert: carrying out diamond-wire saw cutting debugging before the cutting of 6 body of pumping plant section box culvert, with
The fastness of fixed guide track installation is verified, carries out the cutting of box culvert body after the completion of debugging；Pass through operation oil pressure cntrol behaviour simultaneously
Make system, the automatic cutting to box culvert can be completed, diamond rope saw can be reduced by often sprinkling water in cutting process to cut place
Temperature；
S2-5, be crushed and clear: the box culvert block generated after cutting is crushed in situ using big gun machine, and clear in time
Transport construction site.
S3, locating slot 7 to install copper seal is cut, specifically further include:
After the completion of S3-1,6 body of pumping plant section box culvert separation cutting and elimination, the setting-out snap the line at box culvert body cut surface；
S3-2, according to the cutting position of locating slot 7, the fixed guide rail and circular saw of circular diamond sawblade are installed, and even
Connect its oil pressure cntrol operating system；
S3-3, it checks whether fixed guide rail and circular saw installation are secured before formal grooving, whether control connection
Normally, confirm fixed guide rail and circular saw connection it is errorless after carry out trial cut, with verify fixed guide rail and circular saw installation
Fastness；
S3-4, starting oil pressure cntrol operating system, are arranged cutting groove depth parameter, and cutting automatically to box culvert body can be completed
Slot；
S3-5, sprinkling water during grooving to cut place keeps wet, to reduce the operating temperature of circular diamond sawblade；
After the completion of S3-6, cutting, carry out cutting middle section formation slot using artificial.
S4, copper seal is installed into positioning along locating slot 7, specifically further include:
S4-1, by copper seal from laminated structure bending and molding be middle part bending it is upward, the downward type of both ends bending
Material structure, and inlayed and be mounted on locating slot 7 by central protrusion position；
S4-2, copper seal edge is packed in using expansive cement mortar, to reinforce copper seal consolidating on locating slot 7
It is fixed；The use of expansive cement mortar takes full advantage of the effect of expanding cement expansion consolidation, it is therefore prevented that general cement is due to contraction
Copper seal is caused to be not fixed firmly generation loose phenomenon；Expanding cement refers to by Portland clinker and proper amount of gypsum and swollen
Swollen dose of common levigate manufactured hydraulic cementing materials, generates the cement of volume expansion, general silicon in aquation and hardening process
When acid salt cement hardens in air, volume can be shunk；Contraction can make water mudrock structure generate microcrack, reduce Behavior of Hardened Cement Paste
The density of structure influences the impervious, freeze proof, anticorrosive etc. of structure；Expanding cement volume in hardening process will not be received
Contracting also slightly expands, and can solve due to shrinking bring negative consequence；Suitable for ruggedized construction, pours machinery bed or fill out
Expansion consolidation is filled, and can be used for seam and repairing work.
S5, rubber fastening band is puted up on copper seal periphery, specifically further include:
It is rubber waterproof belt with expansion when in water that S5-1, rubber fastening band, which are selected,；
S5-2, comprehensive cover type puts up rubber water-proof on the cut surface of 6 body of copper seal side and pumping plant section box culvert
Band；Hydro-expansive rubber has more brilliant characteristics and advantages compared with General Purpose Rubber, this kind of rubber generates 2-3 times swollen after meeting water
Bulging deformation, and it is full of all irregular surfaces, hole and the gap of seam, while generating huge contact pressure, thoroughly prevent
Leakage；When seam or construction joint are subjected to displacement, and gap is caused to exceed the elastic range of material, plain edition rubber water-proof material is then
Sealing effect is lost, and the material can also be by water swelling come sealing；Hydro-expansive rubber is used to stop as leak stopping sealing
Water material, not only dosage is saved, but also can eliminate the characteristics of general elastic material causes elastic fatigue because of excessive compression,
Keep waterproof effect more reliable；The leakage of new and old box culvert connection can be effectively prevent using rubber waterproof belt with expansion when in water.
S6, box culvert concrete structure construction is carried out, specifically further include:
S6-1, first from box culvert body bottom plate carry out concreting；
S6-2, side wall is then poured；Synchronous rise pours for two sides；
S6-3, top plate is finally poured；
S6-4, it is forbidden to use in the concrete close to two water sealing structure positions using steel bar end by artificial vibration compacting
Vibrating head vibrates, and avoids damage to the water sealing structure installed.
The above is only presently preferred embodiments of the present invention, is not intended to limit the scope of the present invention, current row
The technical staff of industry can make some deformations and modification, all technologies according to the present invention under the inspiration of the technical program
Essence still falls within the range of technical solution of the present invention to any modification, equivalent variations and modification made by above embodiment
It is interior.
Claims (8)
1. a kind of with the new and old dual water-stopping system that connect of water outlet box culvert, be mounted between pumping plant section and dyke section, pumping plant section and
Dyke section is installation and the construction area of new and old water outlet box culvert, which is characterized in that the dual water-stopping system mainly includes first
Water sealing structure, the second water sealing structure, pumping plant section box culvert and dyke section box culvert；Pumping plant section box culvert and dyke section box culvert are embed-type peace
Dress, the first water sealing structure and the second water sealing structure are installed on the longitudinally cutting face of pumping plant section box culvert；Wherein, pumping plant section box culvert
Longitudinally cutting face on four edge of box culvert is being provided with the rectangle closed loop threadiness locating slot for rounding and opening up, first stops
Water-bound is copper seal, and the second water sealing structure is rubber fastening band, and copper seal is long laminated structure, entirely through being bent into
The stereochemical structure that type is middle part bending protrusion, both ends bending is downward, copper seal pass through protrusion middle part installation by adhering to positioning
At slot, rubber fastening band tight type is jointly mounted to the periphery of copper seal.
2. a kind of construction technology for the dual water-stopping system being connect with new and old water outlet box culvert, which is characterized in that the construction work
Skill mainly comprises the steps that
S1, dismounting box culvert is carried out in dyke section；
S2, cutting box culvert is carried out in pumping plant section；
S3, locating slot to install copper seal is cut；
S4, copper seal is installed into positioning along locating slot；
S5, rubber fastening band is puted up on copper seal periphery；
S6, box culvert concrete structure construction is carried out.
3. a kind of construction technology of dual water-stopping system connecting with new and old water outlet box culvert according to claim 2, special
Sign is that the step S1 is carried out in dismounting box culvert in dyke section further include:
S1-1, big gun machine is used to remove old flood control lockage chamber first, to excavate out internal box culvert body；
S1-2, copper seal is secondly cut off from expansion joint, be separated from each other the box culvert of dyke section and the box culvert of pumping plant section；
S1-3, the box culvert that dyke section is thirdly removed using big gun machine, and the concrete clinker after dismounting is cleared to slag tip；
S1-4, the concrete clinker being scattered finally by manual cleaning pumping plant section box culvert periphery are next step pumping plant section box culvert
A good face preparation is created in cutting.
4. a kind of construction technology of dual water-stopping system connecting with new and old water outlet box culvert according to claim 2, special
Sign is that the step S2 is carried out in cutting box culvert in pumping plant section further include:
S2-1, cut surface position is determined: according to the design length reserved after the cutting of pumping plant section box culvert, live unwrapping wire positioning, review
It is marked after errorless；
S2-2, lacing hole apply brill: diamond core drill bit being used to spud in out diameter from pumping plant section box culvert cut surface bottom plate as 6cm's
Hole, the lacing hole applied when cutting box culvert as diamond-wire saw；
S2-3, diamond-wire saw installation: the fixed guide track and mobile wheel that first installation cooperation diamond-wire saw uses
Group, and adjusting fixed guide track and mobile wheel group keeps rope saw elastic moderate, and oil pressure cntrol operation system is finally mounted and connected
System；
S2-4, the cutting of pumping plant section box culvert body: carrying out diamond-wire saw cutting debugging before the cutting of pumping plant section box culvert body, debugging is completed
The cutting of box culvert body is carried out afterwards；
S2-5, be crushed and clear: the box culvert block generated after cutting is crushed in situ, and clear out in time using big gun machine
Construction site.
5. a kind of construction technology of dual water-stopping system connecting with new and old water outlet box culvert according to claim 2, special
Sign is that the step S3 is cut in the locating slot to install copper seal further include:
After the completion of S3-1, pumping plant section box culvert body separation cutting and elimination, the setting-out snap the line at box culvert body cut surface；
S3-2, the cutting position according to locating slot, install the fixed guide rail and circular saw of circular diamond sawblade, and connect its oil
Voltage-controlled operating system processed；
S3-3, confirmation fixed guide rail and the errorless rear progress trial cut of circular saw connection, to verify fixed guide rail and circular saw peace
The fastness of dress；
S3-4, starting oil pressure cntrol operating system, are arranged cutting groove depth parameter, the automatic grooving to box culvert body can be completed；
S3-5, sprinkling water during grooving to cut place keeps wet, to reduce the operating temperature of circular diamond sawblade；
After the completion of S3-6, cutting, carry out cutting middle section formation slot using artificial.
6. a kind of construction technology of dual water-stopping system connecting with new and old water outlet box culvert according to claim 2, special
Sign is that the step S4 is by copper seal along locating slot installation positioning further include:
S4-1, by copper seal from laminated structure bending and molding be middle part bending it is upward, the downward profile knot of both ends bending
Structure, and inlayed and be mounted on locating slot by central protrusion position；
S4-2, copper seal edge is packed in using expansive cement mortar, to reinforce fixation of the copper seal on locating slot.
7. a kind of construction technology of dual water-stopping system connecting with new and old water outlet box culvert according to claim 2, special
Sign is that the step S5 is puted up in rubber fastening band on copper seal periphery further include:
It is rubber waterproof belt with expansion when in water that S5-1, rubber fastening band, which are selected,；
S5-2, comprehensive cover type puts up rubber fastening band on the cut surface of copper seal side and pumping plant section box culvert body.
8. a kind of construction technology of dual water-stopping system connecting with new and old water outlet box culvert according to claim 2, special
Sign is that the step S6 is carried out in box culvert concrete structure construction further include:
S6-1, first from box culvert body bottom plate carry out concreting；
S6-2, side wall is then poured；
S6-3, top plate is finally poured；
S6-4, vibration is forbidden to use using steel bar end by artificial vibration compacting in the concrete close to two water sealing structure positions
Stick vibrates, and avoids damage to the water sealing structure installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552227.XA CN110205988B (en) | 2019-06-25 | 2019-06-25 | Dual water stop system connected with new and old water outlet box culverts and construction process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552227.XA CN110205988B (en) | 2019-06-25 | 2019-06-25 | Dual water stop system connected with new and old water outlet box culverts and construction process thereof |
Publications (2)
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| CN110205988A true CN110205988A (en) | 2019-09-06 |
| CN110205988B CN110205988B (en) | 2024-07-09 |
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| CN201910552227.XA Active CN110205988B (en) | 2019-06-25 | 2019-06-25 | Dual water stop system connected with new and old water outlet box culverts and construction process thereof |
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| CN112609806A (en) * | 2020-12-04 | 2021-04-06 | 中国建筑第八工程局有限公司 | New and old pump station communication method |
| CN113026689A (en) * | 2021-02-09 | 2021-06-25 | 中国能源建设集团广东省电力设计研究院有限公司 | Box culvert installation structure and installation method thereof |
| CN117574703A (en) * | 2023-10-30 | 2024-02-20 | 广东省水利水电第三工程局有限公司 | Installation positioning simulation method for water-stop copper sheet |
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| CN117574703B (en) * | 2023-10-30 | 2024-04-12 | 广东省水利水电第三工程局有限公司 | Installation positioning simulation method for water-stop copper sheet |
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|---|---|
| CN110205988B (en) | 2024-07-09 |
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