CN109610606A - Underground piping, which moves, changes cutover construction and method - Google Patents
Underground piping, which moves, changes cutover construction and method Download PDFInfo
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- CN109610606A CN109610606A CN201811601411.0A CN201811601411A CN109610606A CN 109610606 A CN109610606 A CN 109610606A CN 201811601411 A CN201811601411 A CN 201811601411A CN 109610606 A CN109610606 A CN 109610606A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
- E03F2003/065—Refurbishing of sewer pipes, e.g. by coating, lining
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- Sewage (AREA)
Abstract
It is moved the invention discloses a kind of underground piping and changes cutover construction and method, which moves that change cutover construction include wait move the former pipeline changed, the pre- newly-built pipeline for being laid with completion, the operation well that former pipeline position to be cut is arranged in；Method includes the following steps: 1) determine wait move the former duct route changed and be laid with the completion of newly-built pipeline, construction operation well is being excavated wait move the former pipeline corresponding position to be cut changed；2) precast concrete chute；3) it cuts pipeline and lifts while carrying out, with the plugged and abandoned pipe end of fixed plate；4) it will be connect to reconfiguration pipe end with the newly-built pipe end laid with concrete chute, be sealed processing；5) it after the completion of reconfiguration, is excavated above the discarded pipe on the ground far from the operation borehole wall, excavation abolishes discarded pipe top, then builds and blocks brick wall, and blocking brick wall, bar planting enters exhaust piping wall up and down, pours waterproof and sealing material；The construction method is simple, easy to operate, securely and reliably.
Description
Technical field
The present invention relates to underground engineering technical fields, and in particular to a kind of underground piping, which moves, changes cutover construction and method.
Background technique
The municipal works such as subway frequently encounter underground utilities obstacle, sewage conduct and tap water in the construction of city busy section of town
Pipeline is the municipal pipeline frequently encountered.Move change cutover municipal pipeline when, needing problems faced is the water having in pipeline
Or sewage needs to handle, and can not be pumped to outside again in bustling place, cannot influence resident's normal life.This is seriously affected newly
Build the construction speed and construction cost of pipeline connection.It is also faced with how the closure of processing discarded pipe rapidly and efficiently is asked simultaneously
Topic.
Have at present and not only cut off the water but also the underground piping of pump drainage water moves and changes there are many kinds of method for cutting over, such as directly pipeline can be broken
It removes, lays bricks, or new pipeline is directly connected by bend pipe, discarded pipe is directly the methods of deactivated.About without taking out
The underground piping of draining, which moves, to be changed method for cutting over and there is no.
It currently needs one kind and does not have to pump drainage water, easy for construction, investment reduction, and safe and reliable buried pipe road moves and changes cutover structure
The construction technology made.
Summary of the invention
The present invention is intended to provide a kind of underground piping, which moves, changes cutover construction and method, moves to change to reaching underground piping and do not have to
Pump drainage water, the purpose that construction is rapid, the time is short, at low cost and safe and reliable.
To achieve the above object, the present invention adopts the following technical scheme:
It designs a kind of underground piping and moves and change cutover construction, including wait move the former pipeline changed, the pre- newly-built pipeline for being laid with completion, setting
Operation well at former pipeline position to be cut: including to reconfiguration pipeline and discarded pipe wait move the former pipeline changed；To reconfiguration pipeline
Port is connect by concrete chute with the pre- newly-built pipe end for being laid with completion；Support is provided in discarded pipe end to block
Unit and fills unit.
Preferred: it includes closure brick wall and fixed plate with bar planting that support, which blocks unit,；Closure brick wall with bar planting
It is sequentially arranged in discarded pipe from the inside to the outside with fixed plate；Or the closure brick wall with bar planting sets full discarded pipe from the inside to the outside
Interior, fixed plate is located at discarded pipe port.
Preferred: fills unit includes waterproof material sealant；Waterproof material sealant is filled in support and blocks in unit.
Preferred: concrete chute is made of the concrete block with circular arc or concrete chute is interior recessed with circular arc
The tetragonal body in face.
A kind of underground piping, which moves, changes method for cutting over, comprising the following steps:
(1) it determines wait move the former duct route changed and be laid with the completion of newly-built pipeline, wait move the former pipeline correspondence to be cut changed
Position, which is excavated, builds operation well；
(2) precast concrete chute；
(3) it cuts pipeline and lifts while carrying out, with the plugged and abandoned pipe end of fixed plate；
(4) it will be connect to reconfiguration pipe end with the newly-built pipe end laid with concrete chute, be sealed processing；
(5) it after the completion of reconfiguration, is excavated above the discarded pipe on the ground far from the operation borehole wall, excavation is abolished on discarded pipe
Then portion builds and blocks brick wall, blocking brick wall, bar planting enters exhaust piping wall up and down, pours waterproof and sealing material；
Or completely closure brick wall is built in discarded pipe of the place of abolishing to fixed plate excavating, blocking brick wall, bar planting enters exhaust piping up and down
Wall.
It is preferred: in step (1), to operate 50~70cm of borehole wall thickness.
Preferred: in step (3), fixed plate is cement plate, armoured concrete slab or iron plate；Fixed 2~5 cm of plate thickness.
Preferred: in step (4), it is quick hardening cement that jointing, which handles material,.
Preferred: in step (5), waterproof and sealing material is cement concrete, asphalt waterproof material, rubber plastic class
One of waterproof material.
Compared with prior art, the beneficial technical effect of the present invention lies in:
1. underground piping of the invention moves, to change cutover simple structure reliable, effectively quickly can move changing, low cost, while not
Influence construction speed.
2. underground piping of the present invention moves and changes that method for cutting over is simple, and the construction time is short, easy to operate, at low cost, securely and reliably.
3. underground piping of the present invention, which moves, changes method for cutting over using rope saw and lifting device collective effect, it is ensured that smooth, peace
Full cutting pipeline；Fixed plate is first blocked in advance, avoids the water in a large amount of pipelines or other sundries are flow in operation well, just
In the connection to reconfiguration pipeline and newly-built pipeline；The closure brick wall with bar planting such as tube wall is built in pipeline not only effectively stops pipe
The water and sundries having in road may also function as the effect for solidifying and stopping waterproof and sealing material, provide for filling waterproof and sealing material
Good, safe insulating space；Construction safety is reliable, rapidly and efficiently；Upstream termination of pumping simultaneously, not pump drainage have water in pipeline
Or sewage, do not influence construction speed.
4. underground piping of the present invention move change method for cutting over using concrete chute will be to reconfiguration pipe end and newly-built pipeline
Port connection, fixes new old pipeline well and is connected the certain angle for being in, and concrete chute is played connection and smoothly made
With, and concrete chute prepares in advance, quick and convenient, saving of work and time.
Detailed description of the invention
Fig. 1 moves for inventive pipeline changes control top view cross section structural schematic diagram；
Fig. 2 is present invention rope saw cut pipeline main view the schematic diagram of the section structure；
Fig. 3 is present invention cutting lifting pipeline main view the schematic diagram of the section structure；
Fig. 4 is the pre- plugged and abandoned pipeline main view the schematic diagram of the section structure of the present invention；
Fig. 5-1 is the top view cross section structural schematic diagram that the present invention is connect to reconfiguration pipeline with newly-built pipeline；
Fig. 5-2 is the top view cross section structural schematic diagram that the present invention is connect to reconfiguration pipeline with newly-built pipeline；
Fig. 6 is that discarded pipe of the present invention excavation abolishes place's main view the schematic diagram of the section structure；
Fig. 7 is that discarded pipe of the present invention excavates the place's of abolishing construction main view the schematic diagram of the section structure；
Fig. 8-1 is that discarded pipe of the present invention excavates main view the schematic diagram of the section structure after the place of abolishing blocks；
Fig. 8-2 is that discarded pipe of the present invention excavates main view the schematic diagram of the section structure after the place of abolishing blocks；
Fig. 9 is that well room of the present invention modifies main view the schematic diagram of the section structure；
Figure 10 is the structural schematic diagram of concrete chute of the present invention (a figure is top view, and b figure is left view)；
In figure, 1 is former pipeline, and 101 is, to reconfiguration pipeline, 102 are discarded pipe, and 2 be newly-built pipeline, and 3 be operation well, and 301 are
The borehole wall, 4 be inspection shaft, and 5 be rope sawing cutpoint, and 6 be lifting device, and 7 be fixed plate, and 8 be concrete chute, and 9 abolish to excavate
Place, 10 is block brick wall, and 11 be waterproof and sealing material, and 12 be armoured concrete slab, and 13 be well head, and 14 be concrete filling block,
15 be hollow block.
Specific embodiment
Illustrate a specific embodiment of the invention with reference to the accompanying drawings and examples, but following embodiment is used only in detail
It describes the bright present invention in detail, does not limit the scope of the invention in any way.
Components and structure involved in following embodiment or unit module are then unless otherwise instructed conventional city
Sell product.
Embodiment 1:
A kind of underground piping, which moves, changes cutover construction, referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, including to
It moves the former pipeline 1 changed, the pre- newly-built pipeline 2 for being laid with completion, the operation well 3 that former pipeline position to be cut is set: changing wait move
Former pipeline 1 includes to reconfiguration pipeline 101 and discarded pipe 102；Pass through concrete chute 8 to 101 port of reconfiguration pipeline and overlay
If 2 port of the newly-built pipeline connection of completion；It is provided with support in 102 end of discarded pipe and blocks unit and fills unit.It is discarded
The end of pipeline 102 flushes or protrudes from operation 3 inner wall of well, prominent operation 3 inner wall of well in the end to reconfiguration pipeline 101.
Embodiment 2:
A kind of underground piping, which moves, changes cutover construction, referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, including to
The former pipeline changed, the pre- newly-built pipeline for being laid with completion, the operation well that former pipeline position to be cut is set are moved, not with embodiment 1
Be with place: it includes closure brick wall 10 and fixed plate 7 with bar planting that support, which blocks unit,；Closure brick wall 10 with bar planting
In discarded pipe 102, fixed plate 7 is located at 102 port of discarded pipe；Or the closure brick wall 10 with bar planting is set completely from the inside to the outside
In discarded pipe 102, fixed plate 7 is located at discarded pipe port.
Fixed plate is cement plate, armoured concrete slab or iron plate.
Embodiment 3:
A kind of underground piping, which moves, changes cutover construction, referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10, packet
It includes wait move the former pipeline 1 changed, the pre- newly-built pipeline 2 for being laid with completion, the operation well 3 that former pipeline position to be cut is arranged in, with reality
Apply example 2 the difference is that: fills unit includes waterproof material sealant；Waterproof material sealant is filled in support and blocks unit
It is interior；Concrete chute 8 is made of the concrete block with circular arc or concrete chute 8 is the interior tetragonal body for having circular arc concave surface
(chute circular arc both ends communicate, and do not bind) (such as Figure 10).
Waterproof material sealant is made of waterproof and sealing material 11.Waterproof and sealing material 11 can use cement concrete or drip
Green waterproof material or rubber plastic class waterproof material.
Embodiment 4
A kind of underground piping, which moves, changes method for cutting over, referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10, packet
Include following steps:
(1) it determines wait move 1 route of former pipeline changed and be laid with the completion of newly-built pipeline 2, is waited for wait move 1 upstream and downstream of former pipeline changed
It cuts corresponding position and excavates the construction operation operation well 3 of the upstream well 3(one, one, downstream operation well 3, totally two operation wells 3, are grasped
Make 3 surrounding of well to lay bricks wall, 3 top of operation well does not carry out any renovation), operation 3 wall of well, 301 thickness is 50~70cm；
(2) basis moves the parameters precast concrete such as the diameter for changing new old pipeline, well room size, absolute altitude, angle chute 10: can use band
There is the mold piecemeal of arc surface that concrete block is made, concrete block combines arc surface will be smoothly；Or it can be with shown in Fig. 10
Concrete chute 10；
(3) the operation well 3 dug in upstream and downstream, while pipeline is cut and being lifted, the plugged and abandoned pipe of fixed plate 7 is used later
102 port of road；Fixed plate 7 is cement plate, armoured concrete slab or iron plate, 7 thickness of fixed plate, 2~5 cm；
(4) by the concrete chute 10 made lift in supreme, downstream process well 3 respectively will to reconfiguration pipe end 101 with
2 port of the newly-built pipeline connection laid, carries out jointing encapsulation process with quick hardening cement；End to reconfiguration pipeline 101 is prominent
Operate 3 inner wall of well；
(5) it after the completion of reconfiguration, is excavated above the discarded pipe 102 on the ground far from operation 3 wall 301 of well, excavation is abolished discarded
Then 102 top of pipeline builds and blocks brick wall 10, block about 10 bar planting of brick wall and enter 102 wall of discarded pipe, pour waterproof sealing material
Material 11, is permanently blocked；
Or excavate built in the place of abolishing to the discarded pipe 102 between fixed plate 7 completely block brick wall 10(block brick wall 10 can width 1m),
It blocks about 10 bar planting of brick wall and enters 102 wall of discarded pipe.
(6) finishing operation well 3, well room top are equipped with well head, and discarded pipe 102 excavates the place of abolishing 9 up to ground and filled out
Embedding is stifled.
Operation well 3 can be described as well of riding again herein, and the structure for well of riding is as the structure of inspection shaft 4, only title
Difference, well of riding is vivider for cutting lifting pipeline.
It is laid with newly-built pipeline 2 in advance, but due to there is angle between pipeline connection, similarly uses concrete chute 8
Be attached, but concrete chute 8 at this time do not have to it is prefabricated, the mold with circular arc can be directly built in inspection shaft 4 and poured
Build concrete completion (or can directly using it is brick at), this does not need the limitation of time.But newly-built pipeline 2 and former pipeline 1
When reconfiguration pipeline 101 connect when, due to the limitation of municipal construction time, the shorter the time the better, brings life with exempt from customs examination citizen
Puzzlement just in advance prepares concrete chute 8.
It is had the gap between concrete chute 8 and fixed plate 7, but gap very little, in control range, concrete chute 8 is placed
It, will be between concrete chute 8 and fixed plate 7 on gap sealing with concrete after getting well and carrying out jointing processing.
Waterproof and sealing material 11 is one of cement concrete, asphalt waterproof material, rubber plastic class waterproof material.
Figure 10 is the structural schematic diagram of concrete chute 8, and a figure is top view, and b figure is left view.Concrete chute is available
Iron plate is fabricated to tetragonal body, interior hollow with arc-shaped, and hollow arc-shaped is assembled by two arc-shaped iron plates fixations,
It is assembled secured.Outside arc-shaped iron plate camber line and structure one end of tetragonal body formation seals, and passes through other end casting concrete, is formed
One concrete filling block 14；It is made of with this concrete chute 8 concrete filling block 14 and hollow block 15.
Embodiment 5
A kind of underground piping, which moves, changes method for cutting over, referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10, packet
Include following steps: first wait move 1 route of former pipeline changed and be laid with the completion of newly-built pipeline 2, wait move about the 1 former pipeline changed
It swims corresponding position to be cut and excavates and build the operation operation well 3 of the upstream well 3(one, one, downstream operation well 3, totally two operation wells
3, operation well surrounding is laid bricks wall, and 3 top of operation well does not carry out any renovation), all are docked with the company of draining after the arrangements are complete, really
The date and time point for determining cutover contact the upstream drainage pumping plant being related to, and upstream pumping unit is needed to cooperate termination of pumping during carrying out cutover
Pump drainage, Emergency Preparedness when dragging down the preparation and emergency of water level, carry out cutover preparation；According to new and old pipe
The parameter designings concrete chutes 8 such as diameter, well room size, absolute altitude, the angle in road, on the ground on precast concrete chute 8(,
Concrete chute 8 used in downstream makes simultaneously, totally two concrete chutes 8), the mold made using iron plate or plank, then
Production concrete chute 8 is poured with armored concrete；Cutover point has been dug, it manually will rope 5 duct bottom basis of sawing contact chisel
It removes, is passed through in advance by duct bottom around in place with lifting device 6, rope sawing cutpoint 5 flushes or dashes forward with operation 3 inner wall end of well
Out, to prominent operation 3 inner wall of well in the end of reconfiguration pipeline 101, after saw cut of restricting, directly the pipeline section that cutover goes out is hung out；With admittedly
After fixed board 7 blocks 102 port of discarded pipe in advance, then produced concrete chute 8 is lifted in supreme downstream process well 3 and is divided
It is not mounted on to 101 port of reconfiguration pipeline, and by corresponding newly-built 2 port of pipeline insertion concrete chute, reaches wait change
The purpose that adapter tube road 101 is connected with newly-built pipeline 2, and jointing encapsulation process is carried out with quick hardening cement；On the ground far from behaviour
Make to excavate broken hole above the discarded pipe 102 of 3 wall 301 of well, dig to discarded pipe 102, will be abolished at the top of discarded pipe 102,
Artificial build blocks brick wall 10, blocks about 10 bar planting of brick wall and enters 102 wall of discarded pipe, prevents water in discarded pipe 102 well
Or sundries carries out strong impact to brick wall 10 is blocked, and blocks 10 top of brick wall and does not build to staying a gap side at the top of discarded pipe 102
Just waterproof and sealing material 11 is poured, waterproof and sealing material 11 is poured, is permanently blocked, puzzles block brick wall 10 later, finishing
Operate well 3；Sealing is built with armoured concrete slab 12,12 surrounding of armoured concrete slab is fixed on the borehole wall 301, and centre is equipped with well
Mouth 13, well head 13 covers well lid；Discarded pipe 102 excavates the place of abolishing 9 up to ground and carries out landfill closure.
Or in order to catch up with construction speed, it can excavate in the discarded pipe 102 after broken hole, 1 meter wide of closure brick wall can be built
10, it blocks about 10 bar planting of brick wall and enters on 102 wall of discarded pipe, it is simple and quick, save working hour.
Operation well 3 can be described as well of riding again herein, and the structure for well of riding is as the structure of inspection shaft 4, only title
Difference, well of riding is vivider for cutting lifting pipeline.
It is laid with newly-built pipeline 2 in advance, but due to there is angle between pipeline connection, similarly uses concrete chute 8
Be attached, but concrete chute 8 at this time do not have to it is prefabricated, the mold with circular arc can be directly built in inspection shaft 4 and poured
Concrete completion is built, this does not need the limitation of time.But pipeline 2 and former when connecting when reconfiguration pipeline 101 of pipeline 1 are created,
Due to the limitation of municipal construction time, the shorter the time the better, brings life to perplex with exempt from customs examination citizen, just in advance concrete chute
8 prepare.
It is had the gap between concrete chute 8 and fixed plate 7, but gap very little, in control range, concrete chute 8 is placed
It, will be between concrete chute 8 and fixed plate 7 on gap sealing with concrete after getting well and carrying out jointing encapsulation process.
Figure 10 is the structural schematic diagram of concrete chute 8, and a figure is top view, and b figure is left view.Concrete chute is available
Iron plate is fabricated to tetragonal body (concrete chute circular arc both ends communicate, and do not bind), and interior hollow with arc-shaped, arc-shaped is hollow
It is to be assembled by two arc-shaped iron plate fixations, it is assembled secured.The outer structure one with tetragonal body formation of arc-shaped iron plate camber line
End sealing forms a concrete filling block 14 by other end casting concrete；It is filled out with this concrete chute 8 by a concrete
It fills block 14 and hollow block 15 forms.
Embodiment 6
A kind of underground piping, which moves, changes method for cutting over, referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10, with
Embodiment 5 the difference is that: operation 3 wall of well, 301 50~70cm of thickness；Rope sawing cutpoint 5 cut pipeline can end flush or dash forward
For operation 3 inner wall of well；7 thickness of fixed plate, 2~5 cm, fixed plate 7 are cement plate, armoured concrete slab or iron plate；Waterproof sealing
Material 11 is one of cement concrete, asphalt waterproof material, rubber plastic class waterproof material.
Embodiment 7
A kind of underground piping, which moves, changes method for cutting over, referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10.
Construction method Detailed operating procedures are as follows:
The first step is available, and Fig. 1 shows determine at transformation duct route and constructing operation, and complete the laying of newly-built pipeline 2；
Second step can indicate with Figure 10, the preparation of concrete chute 8, according to moving the diameter for changing new old pipeline, well room size, mark
The parameters precast concrete such as height, angle chute 8；
Third step can indicate with Fig. 2 and Fig. 3, treat to move and change pipeline and cut and lifted；
4th step can be indicated with Fig. 4, with pre- plugged and abandoned 102 port of pipeline of fixed plate 7；Fixed plate 7 is cement plate, reinforcing bar is mixed
Concrete board or iron plate, 7 thickness of fixed plate, 2~5 cm；
5th step can indicate that lifting the concrete chute 8 made respectively will be to reconfiguration in supreme, downstream process well 3 with Fig. 5
101 port of pipeline is connect with 2 port of newly-built pipeline laid, carries out jointing encapsulation process with quick hardening cement；
6th step can be indicated with Fig. 6, be excavated above the discarded pipe 102 on the ground far from operation 3 wall 301 of well, excavation is abolished
102 top of discarded pipe；
7th step can be indicated with Fig. 7, built and blocked brick wall 10, blocked about 10 bar planting of brick wall and entered 102 wall of discarded pipe, block brick
There are gaps between wall 10 and discarded pipe 102；
8th step is available, and Fig. 8 shows pour waterproof and sealing material 11, block brick wall and puzzle, block and complete.
9th step can be indicated with Fig. 9, at the top of finishing operation well 3.
Above-mentioned underground piping moves the specific implementation method for changing cutover construction:
Construction personnel is first wait move 1 route of former pipeline changed and be laid with the completion of newly-built pipeline 2, wait move on the former pipeline 1 changed
Downstream corresponding position to be cut, which excavates, builds the operation operation well 3 of the upstream well 3(one, one, downstream operation well 3, totally two operations
Well 3, operation 3 surrounding of well are laid bricks wall, and 3 top of operation well does not carry out any renovation), all after the arrangements are complete with draining company pair
It connects, contacts the upstream drainage pumping plant being related to, the preparation that upstream pumping unit cooperation termination of pumping pump drainage is needed during carrying out cutover, drags down water level
Emergency Preparedness when work and emergency, determines the date and time point of cutover, carries out cutover preparation；According to new
The parameter designings concrete chutes 8 such as diameter, well room size, absolute altitude, the angle of old pipeline, on the ground precast concrete chute 8
(concrete chute 8 used in upstream and downstream makes simultaneously, totally two concrete chutes 8), the mould made using iron plate or plank
Tool, then production concrete chute 8 is poured with armored concrete；Cutover point, brick walling, manually by cutover point pipeline bottom are dug
Portion basis is cut, and is passed through in advance by duct bottom around in place, rope sawing cutpoint 5 and operation 3 inner wall end of well with lifting device 6
It flushes or protrudes, after saw cut of restricting, directly hang out the pipeline section that cutover goes out；102 port of discarded pipe is blocked in advance with fixed plate 7
Afterwards, then produced concrete chute 8 is lifted in supreme downstream process well 3 and is separately mounted to 101 port of reconfiguration pipeline, and
It in corresponding newly-built 2 port of pipeline insertion concrete chute 8, will reach and be connected to reconfiguration pipeline 101 with newly-built pipeline 2
Purpose, and jointing processing is carried out with quick hardening cement；It is excavated above discarded pipe 102 on the ground far from operation 3 wall 301 of well broken
Hole is dug to discarded pipe 102, will be abolished at the top of discarded pipe 102, and artificial build blocks brick wall 10, blocks about 10 brick wall and plants
Muscle enters on 102 wall of discarded pipe, prevents water or sundries in discarded pipe 102 from carrying out strong impact to brick wall 10 is blocked well,
It blocks the top of brick wall 10 not building to staying a gap conveniently to pour waterproof and sealing material 11 at the top of discarded pipe 102, it is close to pour building waterproofing
It after closure material 11, is permanently blocked, puzzles block brick wall 10, finishing operation well 3 later；Envelope is built with armoured concrete slab 12
Mouthful, 12 surrounding of armoured concrete slab is fixed on the borehole wall 301, and centre is equipped with well head 13, and well head 13 covers well lid；Discarded pipe
102, which excavate 9 place of the place of abolishing up to ground, carries out landfill closure.
Or in order to catch up with construction speed, it can excavate in the discarded pipe 102 after broken hole, 1 meter wide of closure brick wall can be built
10, it blocks about 10 bar planting of brick wall and enters on 102 wall of discarded pipe, it is simple and quick, save working hour.
If constructing in low laying areas, water deposits stream in operation well 3, does not influence being normally carried out for construction.
The present invention is described in detail above in conjunction with drawings and examples, still, those of skill in the art
Member is it is understood that without departing from the purpose of the present invention, can also carry out each design parameter in above-described embodiment
Change, forms multiple specific embodiments, is common variation range of the invention, is no longer described in detail one by one herein.
Claims (9)
1. a kind of underground piping, which moves, changes cutover construction, including existing wait move the former pipeline changed, the pre- newly-built pipeline for being laid with completion, be arranged
The operation well at former pipeline position to be cut, it is characterised in that: described wait move the former pipeline changed includes to reconfiguration pipeline and discarded pipe
Road；It is described to be connect by concrete chute with the pre- newly-built pipe end for being laid with completion to reconfiguration pipe end；Described
It is provided with support in discarded pipe end and blocks unit and fills unit.
2. underground piping according to claim 1, which moves, changes cutover construction, it is characterised in that: the support blocks unit and includes
Closure brick wall and fixed plate with bar planting；The closure brick wall and fixed plate with bar planting is sequentially arranged at described from the inside to the outside
In discarded pipe；Or the closure brick wall with bar planting is set from the inside to the outside in the completely described discarded pipe, the fixed plate is located at
The discarded pipe port.
3. underground piping according to claim 1, which moves, changes cutover construction, it is characterised in that: the fills unit includes waterproof
Material sealant；The waterproof material sealant is filled in support and blocks in unit.
4. underground piping according to claim 1, which moves, changes cutover construction, it is characterised in that: the concrete chute is by having
The concrete block of circular arc is constituted or the concrete chute is the interior tetragonal body for having circular arc concave surface.
5. a kind of underground piping, which moves, changes method for cutting over, it is characterised in that: the following steps are included:
(1) it determines wait move the former duct route changed and be laid with the completion of newly-built pipeline, wait move the former pipeline correspondence to be cut changed
Position, which is excavated, builds operation well；
(2) precast concrete chute；
(3) it cuts pipeline and lifts while carrying out, with the plugged and abandoned pipe end of fixed plate；
(4) it will be connect to reconfiguration pipe end with the newly-built pipe end laid with concrete chute, be sealed processing；
(5) it after the completion of reconfiguration, is excavated above the discarded pipe on the ground far from the operation borehole wall, excavation is abolished on discarded pipe
Then portion builds and blocks brick wall, blocking brick wall, bar planting enters exhaust piping wall up and down, pours waterproof and sealing material；
Or completely closure brick wall is built in discarded pipe of the place of abolishing to fixed plate excavating, blocking brick wall, bar planting enters exhaust piping up and down
Wall.
6. underground piping, which moves, according to claim 5 changes method for cutting over, it is characterised in that: in the step (1), the behaviour
Make 50~70cm of borehole wall thickness.
7. underground piping, which moves, according to claim 5 changes method for cutting over, it is characterised in that: described solid in the step (3)
Fixed board is cement plate, armoured concrete slab or iron plate；2~5 cm of fixed plate thickness.
8. underground piping, which moves, according to claim 5 changes method for cutting over, it is characterised in that: described close in the step (4)
Envelope processing material is quick hardening cement.
9. underground piping, which moves, according to claim 5 changes method for cutting over, it is characterised in that: described anti-in the step (5)
Watertight closure material is one of cement concrete, asphalt waterproof material, rubber plastic class waterproof material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811601411.0A CN109610606A (en) | 2018-12-26 | 2018-12-26 | Underground piping, which moves, changes cutover construction and method |
Applications Claiming Priority (1)
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| CN113073722A (en) * | 2021-02-20 | 2021-07-06 | 中国港湾工程有限责任公司 | Demolishing and backfilling integrated device suitable for underground flexible pipeline and working method thereof |
| CN113700115A (en) * | 2021-09-06 | 2021-11-26 | 中铁四局集团路桥工程有限公司 | Suspension protection construction method for municipal drainage closed conduit steel pipe transformation |
| CN113932063A (en) * | 2021-09-26 | 2022-01-14 | 上海电信工程有限公司 | Underground pipeline construction process and moving and modifying method |
| CN116219916A (en) * | 2023-03-23 | 2023-06-06 | 上海市政工程设计研究总院（集团）有限公司 | Pressure box culvert pressure-changing system and construction method thereof |
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| CN116219916A (en) * | 2023-03-23 | 2023-06-06 | 上海市政工程设计研究总院（集团）有限公司 | Pressure box culvert pressure-changing system and construction method thereof |
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