CN110388531A - A kind of the reinforcing structure and its reinforcement means of pipeline - Google Patents
A kind of the reinforcing structure and its reinforcement means of pipeline Download PDFInfo
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- CN110388531A CN110388531A CN201910732656.5A CN201910732656A CN110388531A CN 110388531 A CN110388531 A CN 110388531A CN 201910732656 A CN201910732656 A CN 201910732656A CN 110388531 A CN110388531 A CN 110388531A
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- outer tube
- internal lining
- lining pipe
- hole
- blow
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 38
- 230000002787 reinforcement Effects 0.000 title claims abstract description 18
- 239000002002 slurry Substances 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 28
- 238000012423 maintenance Methods 0.000 claims abstract description 26
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 19
- 239000010935 stainless steel Substances 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 18
- 239000000741 silica gel Substances 0.000 claims abstract description 18
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 16
- 238000010276 construction Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000007569 slipcasting Methods 0.000 claims description 19
- 210000001503 joint Anatomy 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 17
- 238000004140 cleaning Methods 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 238000000227 grinding Methods 0.000 claims description 12
- 238000007596 consolidation process Methods 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 7
- 230000001680 brushing effect Effects 0.000 claims description 6
- 238000005286 illumination Methods 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000010248 power generation Methods 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims 2
- 239000010703 silicon Substances 0.000 claims 2
- 239000002390 adhesive tape Substances 0.000 claims 1
- 230000008595 infiltration Effects 0.000 claims 1
- 238000001764 infiltration Methods 0.000 claims 1
- 238000002407 reforming Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 3
- 238000012946 outsourcing Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The present invention relates to pipe-line maintenance technical fields, the reinforcing structure and its reinforcement means of especially a kind of pipeline, including internal lining pipe and outer tube, stainless steel strip is equipped on the outside of the tube wall of internal lining pipe, the stem of internal lining pipe is equipped with the fixed steel disc of two panels first and silicone elastomer sealing ring, silicone elastomer sealing ring is equipped with stem injected hole, internal lining pipe tail portion is equipped with the second fixed steel disc and half ring-like silica gel strip, two pieces of silica gel strips are equipped with tail portion injected hole, the outer wall of outer tube, which is equipped with, reinforces rib, it is symmetrically arranged with mechanical high pressure pouring hole at the top of outer tube and slurries pour into hole manually.The invention also includes internal lining pipe method for reinforcing and outer tube method for reinforcing, the configuration of the present invention is simple quickly can carry out anti-seepage reinforcing reforming processing to the blow-off line of blowdown valve pit damage, and rebuilding construction method is fast comprehensive, is suitble to promote.
Description
Technical field
The present invention relates to the reinforcing structures and its reinforcing side of pipe-line maintenance technical field more particularly to a kind of pipeline
Method.
Background technique
2013~2016 urban water supply engineerings cut off the water maintenance during find, line of project box culvert blowdown valve well conduit
Leak is caused because the tube wall of blow-off line corrodes leak, it is contemplated that other blow-off lines are same period product, Ke Nengcun along the line
In same problems such as corrosion damage leaks, to ensure water supply project operational safety, in conjunction with box culvert along turn(a)round of cutting off the water in recent years
Detection case and former years process experience, cut off the water the requirement of service work outline scheme according to 2018 annual water supply projects, and plan is opened
Exhibition carries out reinforcing processing to box culvert blowdown valve pit, sewage pipe, is directed to liner consolidation process, outsourcing consolidation process and interior
The case where outer synchronous consolidation process, integral replacing is with high costs, and the duration is longer, is lifting construction engineering efficiency and quality, reduces
Construction cost shortens maintenance duration, it is proposed that a kind of reinforcing structure of pipeline and its reinforcement means solve above ask
Topic.
Summary of the invention
The purpose of the present invention is to solve the sewage pipes that box culvert sewage well exists in the prior art to safeguard that being related to liner adds
Though processing, outsourcing consolidation process and inside and outside synchronous consolidation process, integral replacing is with high costs, duration longer disadvantage, and it mentions
The reinforcing structure and its reinforcement means of a kind of pipeline out.
To achieve the goals above, present invention employs following technical solutions:
Design a kind of reinforcing structure of pipeline, including internal lining pipe and outer tube, the internal lining pipe and outer tube difference
The inner side and outer side of blow-off line is set, equidistantly divides equally on the outside of the tube wall of the internal lining pipe and is fixed with several stainless steel strips,
The stem end of the internal lining pipe is fixed with the fixed steel disc of two panels symmetrically arranged first, and two described first are fixed between steel discs
Two pieces of symmetrical half ring-like silicone elastomer sealing rings are fixed with by being glued, two pieces of silicone elastomer sealing rings are opposite
Top and bottom between be equipped with stem injected hole, the internal lining pipe tail portion is fixed with the second fixed steel disc, and described second is solid
The side for determining steel disc is fixed with two pieces of symmetrical half ring-like silica gel strips, the opposite top of two pieces of silica gel strips by being glued
Tail portion injected hole is equipped between portion and bottom, the outer tube is that two semicircle jig pairing detachable connections are formed, institute
It states equidistantly to divide equally on the outer wall of outer tube and is fixed with several reinforcement ribs, be symmetrically arranged with mechanical high pressure at the top of the outer tube
Fill orifice and slurries pour into hole manually.
Preferably, the internal lining pipe be outer diameter 380mm, the stainless steel tube structure that is 2500mm with a thickness of 2mm, length, institute
Stating stainless steel strip width is 100mm, with a thickness of 2mm, and the adjacent stainless steel strip spacing is 550mm, the internal lining pipe both ends
The distance of the equal port of stainless steel strip be 100mm, the stainless steel strip is close to the outer wall of the internal lining pipe and with vertical internal lining pipe
Axis direction carries out seamless welding and fixes.
Preferably, the width of the silicone elastomer sealing ring is 30mm, compression minimum thickness is 10mm, the stem slip casting
The gap width in hole is 20mm.
Preferably, the silica gel strip is arranged at the internal lining pipe breech face 100mm, and the width of the silica gel strip is
30mm, compression minimum thickness are 10mm, and the gap width of the tail portion injected hole is 10mm.
Preferably, the outer tube be outer diameter be 460mm, the semicircle jig structure of thickness 1.5mm, the reinforcement rib
Width be 12mm, with a thickness of 2mm, the diameter in the machinery high pressure pouring hole is 14mm, and the slurries pour into the note in hole manually
Entering diameter is 50mm, and the sealing diameter that the slurries pour into hole manually is 14mm, and the fixation of the avris of two outer tubes is set
There is butt joint edge, clamping connection is equipped with PVC sealing strip between two butt joint edges being connected to each other, on the butt joint edge and PVC sealing
Several perforative bolts hole are equipped on item, two outer tubes are realized detachable by the butt joint edge and clamping screw
Connection.
Preferably, made of nano microcrystalline agent to rapidly block up leakage rigid close in the position that the both ends of the outer tube are contacted with concrete wall
Real consolidation process and the slope corner structure of a R=100 is made into interface portion.
A kind of method for reinforcing of pipeline, including internal lining pipe method for reinforcing and outer tube method for reinforcing, tool
Body the following steps are included:
1) internal lining pipe method for reinforcing:
S1, face-airing illumination face-airing illumination
Scene uses 30KW diesel power generation, carries out face lighting and power setting.
S2, the setting of water-retaining cofferdam and the cleaning of working face:
Box culvert bottom plate two sides near working face build water-retaining cofferdam, and cofferdam face width is 2.5 meters in box culvert, row
Except doing whole cleaning treatment after the ponding and mud in cofferdam.Later by the protection tube made and tool, jig and material
It comes into operation etc. working face preparation is moved in.
S3, the polishing of blow-off line inner surface and cleaning treatment
Siltation sludge inside the blow-off line of damage is carried out digging out cleaning, carries out inner wall punching with giant later
It washes, aeration-drying processing is carried out after rinsing well, then carries out mechanical grinding processing, with electronic arm extending type hand mill by the dirt on surface
Object and corrosion part grind off and pipe surface are made to expose clean new face, reach flat and smooth, again with giant later
Blowdown inside pipe wall is cleaned, and with cloth waste towel etc. by the ponding wiped clean in pipe.
The installation of S4, internal lining pipe
The depth of parallelism and flatness for confirming box culvert bottom plate and blow-off line, do not reach requirement such as, need to carry out to box culvert bottom plate
Levelling and grinding process, until connecing the internal lining pipe that end silicone elastomer sealing ring is sealed by box culvert after reaching design requirement
In the blow-off line of mouth side, internal lining pipe is squeezed into blow-off line using the mode that weight strikes, after being inserted into place, uses silica gel
Item and silicone elastomer sealing ring simultaneously cooperate nano microcrystalline agent to rapidly block up leakage to do secondary seal processing to the both ends of internal lining pipe, and respectively
Stem injected hole and tail portion injected hole are bored, while corresponding grouting nozzle being installed.
Cavity slip casting between S5, internal lining pipe and blow-off line:
Extemporaneous preparation grouting material is injected separately into compound height with high-pressure grouting machine from the grouting nozzle of the bottom at internal lining pipe both ends
Molecule ultra-strong elasticity waterproof grouting sealing agent is observed in internal lining pipe while slip casting operation by the way of continous way injection
The case where outer and end, changes, and when the slurries of injection reach design quantity, and slurries occurs from when the injected hole overflow of top, In
Top injected hole installs grouting nozzle and carries out slurries injection from top, while observing the rising variation of pressure gauge, works as grouting pressure
When reaching 0.1Mp, temporarily cease slip casting, the inside slurry pressure variation that observation pressure gauge show, when pressure reaches it is stable when, filling
Slurry job execution terminates.
S6, maintenance work
After Cementer is made, maintenance work in 24 hours is carried out.
S7, water-retaining cofferdam material is removed, clears up rubbish.
2) outer tube method for reinforcing:
S1, blow-off line appearance polished construction
Mechanical grinding processing is carried out to blow-off line superficial layer first, the dirt on surface is ground off and made with electric hand grinding machine
The new face that original resin protective layer is exposed on blow-off line surface is obtained, reaches flat and smooth.
The preparation of S2, outer tube
Prefabricated outer tube is subjected to field combinations working process, rib is reinforced in welding on outer sleeve outer wall, right
It is drilled with bolt hole on edge fit, and is drilled with mechanical high pressure pouring hole respectively on outer tube and slurries pour into hole manually.
The installation of S3, outer tube:
The outer tube bottom part made is fastened into installation Water slop injector, later by PVC sealing strip structure nail-free glue
It is pasted on the inside of butt joint edge, and punching at PVC sealing strip face bolt hole is reached into breakthrough status, use clamping screw thereafter
Outer tube is involutory in blow-off line outer wall side.
S4, housing seal of tube reinforcement processing:
It is closely knit that rigidity with nano microcrystalline agent to rapidly block up leakage is done into position that mounted outer tube both ends are contacted with concrete wall
Consolidation process is made into the ramp angle of a R=100 in interface portion.
Slip casting in cavity between S5, outer tube and blow-off line:
First hole is poured into manually from the slurries of outer tube pour into composite high-molecular elastic water-proof grouting material, until slurries are from exhaust
Hole both mechanical high pressure pouring hole discharges, the bottom mechanical high pressure pouring hole then reserved from outer tube is injected with high-pressure grouting machine
Composite high-molecular ultra-strong elasticity waterproof grouting material, when the slurries of injection pour into hole overflow from the slurries at top manually, by top
Slurries pour into hole manually and place grouting nozzle and carry out slurries injection, observe the rising variation of pressure gauge, and grouting pressure reaches 0.3Mp
When, temporarily cease slip casting, the inside slurry pressure that observation pressure gauge show changes, when pressure reaches it is stable when, cementing operations are applied
Work terminates.
S6, maintenance work
After Cementer is made, maintenance work is carried out, special messenger is during which set and is responsible for turn on pump and draws water to control water level, guarantee underground water
Seepage flow water level cannot rise to 2 meters of working face or more of height.
The brushing and maintenance of S7, anticorrosive coating film
Working face blow-off line moist curing 12 as a child, drains the ponding inside working face foundation pit, and to outer tube table
Face is dried, later the special modified epoxy dope of brushing imported raw material five times, and film forming thickness reaches 1.2mm or more, it
Dry maintenance 24 hours afterwards.
The reinforcing structure and its reinforcement means, beneficial effect of a kind of pipeline proposed by the present invention are: the present invention applies
Work simple process, maintenance cost are cheap and by the way that internal lining pipe and outer tube and filled composite is respectively set in blow-off line inside and outside wall
High polymer elastic waterproof grouting material, maintenance blow-off line improve blow-off line structural strength and use the longevity while corroding leak
Life.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the reinforcing structure of pipeline proposed by the present invention；
Fig. 2 is a kind of the schematic diagram of the section structure of the reinforcing structure of pipeline proposed by the present invention；
Fig. 3 is the enlarged diagram in the portion A in Fig. 2；
Fig. 4 is the enlarged diagram in the portion B in Fig. 2.
In figure: internal lining pipe 1, blow-off line 2, stainless steel strip 3, silicone elastomer sealing ring 4, stem injected hole 5, first are fixed
Steel disc 6, outer tube 7, mechanical high pressure pouring hole 8, reinforce rib 9, slurries pour into hole 10 manually, butt joint edge 11, clamping screw 12,
The fixed steel disc 16 of PVC sealing strip 13, silica gel strip 14, tail portion injected hole 15, second.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-4, the reinforcing structure of a kind of pipeline, including internal lining pipe 1 and outer tube 7, the internal lining pipe 1 and outer
Casing 7 is separately positioned on the inner side and outer side of blow-off line 2, on the outside of the tube wall of internal lining pipe 1 it is equidistant divide equally be fixed with it is several not
Become rusty steel bar 3, and the stem end of internal lining pipe 1 is fixed with the fixed steel disc 6 of two panels symmetrically arranged first, two first fixed steel discs
Two pieces of symmetrical half ring-like silicone elastomer sealing rings 4, two pieces of 4 phases of silicone elastomer sealing ring are fixed with by being glued between 6
Pair top and bottom between be equipped with stem injected hole 5, the width of silicone elastomer sealing ring 4 is 30mm, compression minimum thickness is
10mm, the gap width of stem injected hole 5 are 20mm, and 1 tail portion of internal lining pipe is fixed with the second fixed steel disc 16, the second fixed steel
The side of piece 16 is fixed with two pieces of symmetrical half ring-like silica gel strips 14, the opposite top of two pieces of silica gel strips 14 by being glued
And tail portion injected hole 15 is equipped between bottom, the setting of silica gel strip 14 at 1 breech face 100mm of internal lining pipe, silica gel strip 14
Width is 30mm, compression minimum thickness is 10mm, and the gap width of tail portion injected hole 15 is 10mm, and internal lining pipe 1 is outer diameter
It 380mm, is the stainless steel tube structure of 2500mm with a thickness of 2mm, length, 3 width of stainless steel strip is 100mm, with a thickness of 2mm, phase
Adjacent 3 spacing of stainless steel strip is 550mm, and the distance of the equal port of stainless steel strip 3 at 1 both ends of internal lining pipe is 100mm, stainless steel strip 3
It is close to the outer wall of internal lining pipe 1 and is fixed with vertical 1 axis direction of internal lining pipe progress seamless welding.
Outer tube 7 is that two semicircle jig pairing detachable connections are formed, and is equidistantly divided equally on the outer wall of outer tube 7 solid
Surely several reinforcement ribs 9 are equipped with, the top of outer tube 7 is symmetrically arranged with mechanical high pressure pouring hole 8 and slurries pour into hole 10 manually, outside
Casing 7 be outer diameter be 460mm, the semicircle jig structure of thickness 1.5mm, the width for reinforcing rib 9 is 12mm, with a thickness of 2mm,
The diameter in mechanical high pressure pouring hole 8 is 14mm, and the injection diameter that slurries pour into hole 10 manually is 50mm, and slurries pour into hole 10 manually
Sealing diameter be 14mm, the avris of two outer tubes 7 is fixed with butt joint edge 11, presss from both sides between two butt joint edges 11 being connected to each other
It is equipped with PVC sealing strip 13, is equipped with several perforative bolts hole, two outer tubes 7 on butt joint edge 11 and on PVC sealing strip 13
Detachable connection is realized by butt joint edge 11 and clamping screw 12, and the position that the both ends of outer tube 7 are contacted with concrete wall is with receiving
Meter Wei Jing agent to rapidly block up leakage does the closely knit consolidation process of rigidity and is made into the slope corner structure of a R=100 in interface portion.
A kind of method for reinforcing of pipeline, including 7 method for reinforcing of 1 method for reinforcing of internal lining pipe and outer tube,
Specifically includes the following steps:
1) 1 method for reinforcing of internal lining pipe:
S1, face-airing illumination face-airing illumination
Scene uses 30KW diesel power generation, carries out face lighting and power setting.
S2, the setting of water-retaining cofferdam and the cleaning of working face:
Box culvert bottom plate two sides near working face build water-retaining cofferdam, and cofferdam face width is 2.5 meters in box culvert, row
Except doing whole cleaning treatment after the ponding and mud in cofferdam.Later by the protection tube made and tool, jig and material
It comes into operation etc. working face preparation is moved in.
S3, the polishing of 2 inner surface of blow-off line and cleaning treatment
Siltation sludge inside the blow-off line 2 of damage is carried out digging out cleaning, carries out inner wall with giant later
It rinses, aeration-drying processing is carried out after rinsing well, then carries out mechanical grinding processing, with electronic arm extending type hand mill by surface
Dirt and corrosion part grind off and pipe surface are made to expose clean new face, reach flat and smooth, again with giant later
Secondary cleaning blowdown inside pipe wall, and with cloth waste towel etc. by the ponding wiped clean in pipe.
The installation of S4, internal lining pipe 1
The depth of parallelism and flatness for confirming box culvert bottom plate and blow-off line 2, do not reach requirement such as, need to carry out to box culvert bottom plate
Levelling and grinding process, until the internal lining pipe 1 that end silicone elastomer sealing ring 4 is sealed is by box culvert after reaching design requirement
In interface side blow-off line 2, internal lining pipe 1 is squeezed into blow-off line 2 using the mode that weight strikes, after being inserted into place,
With silica gel strip 14 and silicone elastomer sealing ring 4 and nano microcrystalline agent to rapidly block up leakage is cooperated to do at secondary seal the both ends of internal lining pipe
Reason, and stem injected hole 5 and tail portion injected hole 15 are bored respectively, while corresponding grouting nozzle being installed.
Cavity slip casting between S5, internal lining pipe 1 and blow-off line 2:
Extemporaneous preparation grouting material is injected separately into from the grouting nozzle of the bottom at 1 both ends of internal lining pipe with high-pressure grouting machine compound
Macromolecule ultra-strong elasticity waterproof grouting sealing agent observes internal lining pipe 1 while slip casting operation by the way of continous way injection
Inside and outside and the case where end, changes, and when the slurries of injection reach design quantity, and slurries occurs from when the injected hole overflow of top,
At top, injected hole installs grouting nozzle and carries out slurries injection from top, while observing the rising variation of pressure gauge, when slip casting pressure
When power reaches 0.1Mp, temporarily cease slip casting, the inside slurry pressure that observation pressure gauge show changes, when pressure reaches it is stable when,
Cementing operations construction terminates.
S6, maintenance work
After Cementer is made, maintenance work in 24 hours is carried out.
S7, water-retaining cofferdam material is removed, clears up rubbish.
2) 7 method for reinforcing of outer tube:
S1, blow-off line appearance polished construction
Mechanical grinding processing is carried out to 2 superficial layer of blow-off line first, is ground off the dirt on surface simultaneously with electric hand grinding machine
So that the new face of original resin protective layer is exposed on 2 surface of blow-off line, reach flat and smooth.
The preparation of S2, outer tube 7
Prefabricated outer tube 7 is subjected to field combinations working process, rib 9, In is reinforced in welding on 7 outer wall of outer tube
It is drilled with bolt hole on butt joint edge 11, and is drilled with mechanical high pressure pouring hole 8 respectively on outer tube 7 and slurries pour into hole 10 manually.
The installation of S3, outer tube 7:
7 bottom part of outer tube made is fastened into installation Water slop injector, exempts to follow closely with structure by PVC sealing strip 13 later
Gluing is affixed on 11 inside of butt joint edge, and punching at 13 face bolt hole of PVC sealing strip is reached breakthrough status, thereafter with lock
Outer tube 7 is involutory in 2 outer wall side of blow-off line by tight bolt 12.
S4, outer tube 7 seal reinforcement processing:
It is closely knit that rigidity with nano microcrystalline agent to rapidly block up leakage is done into position that mounted 7 both ends of outer tube are contacted with concrete wall
Consolidation process is made into the ramp angle of a R=100 in interface portion.
Slip casting in cavity between S5, outer tube 7 and blow-off line 2:
First pour into hole 10 manually from the slurries of outer tube 7 and pour into composite high-molecular elastic water-proof grouting material, until slurries from
Both mechanical high pressure pouring hole 8 is discharged gas vent, and the bottom mechanical high pressure pouring hole 8 then reserved from outer tube 7 is filled with high pressure
Pulp grinder injects composite high-molecular ultra-strong elasticity waterproof grouting material, when the slurries of injection pour into 10 overflow of hole from the slurries at top manually
When, top slurry is poured into hole 10 manually and places grouting nozzle and carries out slurries injection, observes the rising variation of pressure gauge, slip casting pressure
When power reaches 0.3Mp, temporarily cease slip casting, the inside slurry pressure that observation pressure gauge show changes, when pressure reaches it is stable when,
Cementing operations construction terminates.
S6, maintenance work
After Cementer is made, maintenance work is carried out, special messenger is during which set and is responsible for turn on pump and draws water to control water level, guarantee underground water
Seepage flow water level cannot rise to 2 meters of working face or more of height.
The brushing and maintenance of S7, anticorrosive coating film
2 moist curing 12 of working face blow-off line as a child, drains the ponding inside working face foundation pit, and to outer tube 7
Surface is dried, later the special modified epoxy dope of brushing imported raw material five times, and film forming thickness reaches 1.2mm or more,
Dry maintenance 24 hours later.
Construction technology of the present invention is simple, and maintenance cost is cheap and by the way that internal lining pipe 1 is respectively set in 2 inside and outside wall of blow-off line
With outer tube 7 and filled composite high polymer elastic waterproof grouting material, maintenance blow-off line 2 improves blowdown while corroding leak
2 structural strength of pipeline and service life.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of reinforcing structure of pipeline, including internal lining pipe (1) and outer tube (7), the internal lining pipe (1) and outer tube
(7) it is separately positioned on the inner side and outer side of blow-off line (2), which is characterized in that equidistant equal on the outside of the tube wall of the internal lining pipe (1)
Divide and be fixed with several stainless steel strips (3), it is solid that the stem end of the internal lining pipe (1) is fixed with two panels symmetrically arranged first
Determine steel disc (6), is fixed with two pieces of symmetrical half ring-like silica gel bullets by being glued between two described first fixed steel disc (6)
Property sealing ring (4), two pieces of silicone elastomer sealing rings (4) are equipped with stem injected hole (5) between opposite top and bottom, institute
It states internal lining pipe (1) tail portion and is fixed with second fixed steel disc (16), the side of described second fixed steel disc (16) is solid by being glued
Surely two pieces of symmetrical half ring-like silica gel strips (14) are equipped with, two pieces of silica gel strips (14) are all provided between opposite top and bottom
Have tail portion injected hole (15), the outer tube (7) is that two semicircle jig pairing detachable connections are formed, the outer tube
(7) equidistantly divide equally on outer wall and be fixed with several reinforcement ribs (9), mechanical height is symmetrically arranged at the top of the outer tube (7)
Pressure fill orifice (8) and slurries pour into hole (10) manually.
2. the reinforcing structure and its reinforcement means of a kind of pipeline according to claim 1, which is characterized in that in described
The stainless steel tube structure that bushing pipe (1) is outer diameter 380mm, is 2500mm with a thickness of 2mm, length, stainless steel strip (3) width are
100mm, with a thickness of 2mm, the adjacent stainless steel strip (3) spacing is 550mm, the stainless steel strip at internal lining pipe (1) both ends
(3) the distance of port is 100mm, and the stainless steel strip (3) is close to the outer wall of the internal lining pipe (1) and with vertical internal lining pipe
(1) axis direction progress seamless welding is fixed.
3. the reinforcing structure and its reinforcement means of a kind of pipeline according to claim 1, which is characterized in that the silicon
The width of elastomeric seals circle (4) is 30mm, compression minimum thickness is 10mm, and the gap width of the stem injected hole (5) is
20mm。
4. the reinforcing structure and its reinforcement means of a kind of pipeline according to claim 1, which is characterized in that the silicon
At the internal lining pipe (1) breech face 100mm, the width of the silica gel strip (14) is 30mm, compresses for adhesive tape (14) setting
Minimum thickness is 10mm, and the gap width of the tail portion injected hole (15) is 10mm.
5. the reinforcing structure and its reinforcement means of a kind of pipeline according to claim 1, which is characterized in that described outer
Casing (7) be outer diameter be 460mm, the semicircle jig structure of thickness 1.5mm, it is described reinforce rib (9) width be 12mm, thickness
Degree is 2mm, and the diameter of the machinery high pressure pouring hole (8) is 14mm, and the injection diameter that the slurries pour into hole (10) manually is
50mm, the sealing diameter that the slurries pour into hole (10) manually is 14mm, and the avris of two outer tubes (7) is fixed with
Butt joint edge (11), clamping connection is equipped with PVC sealing strip (13) between two butt joint edges (11) being connected to each other, on the butt joint edge (11)
And several perforative bolts hole are equipped on the PVC sealing strip (13), two outer tubes (7) pass through the butt joint edge
(11) and clamping screw (12) realizes detachable connection.
6. the reinforcing structure and its reinforcement means of a kind of pipeline according to claim 1, which is characterized in that described outer
The closely knit consolidation process of rigidity is done with nano microcrystalline agent to rapidly block up leakage and is being joined in the position that the both ends of casing (7) are contacted with concrete wall
Part is made into the slope corner structure of a R=100.
7. a kind of method for reinforcing of pipeline described in -6 according to claim 1, including internal lining pipe (1) method for reinforcing and
Outer tube (7) method for reinforcing, specifically includes the following steps:
1) internal lining pipe (1) method for reinforcing:
S1, face-airing illumination face-airing illumination
Scene uses 30KW diesel power generation, carries out face lighting and power setting.
S2, the setting of water-retaining cofferdam and the cleaning of working face:
Box culvert bottom plate two sides near working face build water-retaining cofferdam, and cofferdam face width is 2.5 meters in box culvert, exclude to enclose
Whole cleaning treatment is done after ponding and mud in weir.The protection tube made and tool, jig and material etc. are removed later
Enter working face preparation to come into operation.
S3, the polishing of blow-off line (2) inner surface and cleaning treatment
The internal siltation sludge of blow-off line (2) to damage carries out digging out cleaning, carries out inner wall punching with giant later
It washes, aeration-drying processing is carried out after rinsing well, then carries out mechanical grinding processing, with electronic arm extending type hand mill by the dirt on surface
Object and corrosion part grind off and pipe surface are made to expose clean new face, reach flat and smooth, again with giant later
Blowdown inside pipe wall is cleaned, and with cloth waste towel etc. by the ponding wiped clean in pipe.
The installation of S4, internal lining pipe (1)
The depth of parallelism and flatness for confirming box culvert bottom plate and blow-off line (2), do not reach requirement such as, need to look for box culvert bottom plate
Flat and grinding process, until the internal lining pipe (1) that end silicone elastomer sealing ring (4) is sealed is by case after reaching design requirement
Contain in interface side blow-off line (2), internal lining pipe (1) is squeezed into blow-off line (2) using the mode of weight impact, is inserted into
After in place, with silica gel strip (14) and silicone elastomer sealing ring (4) and cooperate nano microcrystalline agent to rapidly block up leakage to the both ends of internal lining pipe
Secondary seal processing is done, and bores stem injected hole (5) and tail portion injected hole (15) respectively, while corresponding grouting nozzle being installed.
Cavity slip casting between S5, internal lining pipe (1) and blow-off line (2):
Extemporaneous preparation grouting material is injected separately into compound height with high-pressure grouting machine from the grouting nozzle of the bottom at internal lining pipe (1) both ends
Molecule ultra-strong elasticity waterproof grouting sealing agent observes internal lining pipe (1) by the way of continous way injection while slip casting operation
Inside and outside and the case where end, changes, and when the slurries of injection reach design quantity, and slurries occurs from when the injected hole overflow of top,
At top, injected hole installs grouting nozzle and carries out slurries injection from top, while observing the rising variation of pressure gauge, when slip casting pressure
When power reaches 0.1Mp, temporarily cease slip casting, the inside slurry pressure that observation pressure gauge show changes, when pressure reaches it is stable when,
Cementing operations construction terminates.
S6, maintenance work
After Cementer is made, maintenance work in 24 hours is carried out.
S7, water-retaining cofferdam material is removed, clears up rubbish.
2) outer tube (7) method for reinforcing:
S1, blow-off line appearance polished construction
Mechanical grinding processing is carried out to blow-off line (2) superficial layer first, the dirt on surface is ground off and made with electric hand grinding machine
The new face that original resin protective layer is exposed on blow-off line (2) surface is obtained, reaches flat and smooth.
The preparation of S2, outer tube (7)
Prefabricated outer tube (7) is subjected to field combinations working process, rib (9) are reinforced in welding on outer tube (7) outer wall,
It is drilled with bolt hole on butt joint edge (11), and is drilled with mechanical high pressure pouring hole (8) respectively on outer tube (7) and slurries fill manually
Enter hole (10).
The installation of S3, outer tube (7):
The outer tube made (7) bottom part is fastened into installation Water slop injector, exempts to follow closely with structure by PVC sealing strip (13) later
Gluing is affixed on the inside of butt joint edge (11), and punching at PVC sealing strip (13) face bolt hole is reached breakthrough status, thereafter
Outer tube (7) is involutory in blow-off line (2) outer wall side with clamping screw (12).
S4, outer tube (7) sealing reinforcement processing:
Rigidly closely knit add, is done into nano microcrystalline agent to rapidly block up leakage in the position that mounted outer tube (7) both ends are contacted with concrete wall
Gu processing, is made into the ramp angle of a R=100 in interface portion.
Slip casting in cavity between S5, outer tube (7) and blow-off line (2):
First pour into hole (10) manually from the slurries of outer tube (7) and pour into composite high-molecular elastic water-proof grouting material, until slurries from
Both mechanical high pressure pouring hole (8) is discharged gas vent, and the bottom mechanical high pressure pouring hole (8) then reserved from outer tube (7) is used
High-pressure grouting machine injects composite high-molecular ultra-strong elasticity waterproof grouting material, when the slurries of injection pour into hole from the slurries at top manually
(10) when overflow, top slurry is poured into hole (10) manually and places grouting nozzle and carries out slurries injection, observes the rising of pressure gauge
Variation when grouting pressure reaches 0.3Mp, temporarily ceases slip casting, and pressure is worked as in the inside slurry pressure variation that observation pressure gauge is shown
When reaching stable, cementing operations construction terminates.
S6, maintenance work
After Cementer is made, maintenance work is carried out, special messenger is during which set and is responsible for turn on pump and draws water to control water level, guarantee the infiltration of underground water
Flowing water position cannot rise to 2 meters of working face or more of height.
The brushing and maintenance of S7, anticorrosive coating film
Working face blow-off line (2) moist curing 12 as a child, drains the ponding inside working face foundation pit, and to outer tube (7)
Surface is dried, later the special modified epoxy dope of brushing imported raw material five times, and film forming thickness reaches 1.2mm or more,
Dry maintenance 24 hours later.
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| CN110701384A (en) * | 2019-11-04 | 2020-01-17 | 中建一局集团第一建筑有限公司 | Pipe joint reinforcing method during hanging of socket pipe |
| CN110925517A (en) * | 2019-12-17 | 2020-03-27 | 上海水务建设工程有限公司 | Non-excavation large-caliber water supply pressure pipeline repairing construction method |
| CN110966481A (en) * | 2019-11-21 | 2020-04-07 | 中电建生态环境集团有限公司 | Pressure pipeline repairing construction method |
| CN110984172A (en) * | 2019-11-26 | 2020-04-10 | 秦皇岛兴龙建设工程有限公司 | Horizontal steel supporting mechanism for foundation pit supporting and use method thereof |
| CN112945471A (en) * | 2021-01-29 | 2021-06-11 | 宁波盛德气动液压有限公司 | Hydraulic heat exchanger detection device capable of rapidly detecting air tightness |
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| CN112945471A (en) * | 2021-01-29 | 2021-06-11 | 宁波盛德气动液压有限公司 | Hydraulic heat exchanger detection device capable of rapidly detecting air tightness |
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|---|---|
| CN110388531B (en) | 2024-03-22 |
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