CN109868883A - Municipal subsoil drain pipeline construction method - Google Patents
Municipal subsoil drain pipeline construction method Download PDFInfo
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- CN109868883A CN109868883A CN201910228041.9A CN201910228041A CN109868883A CN 109868883 A CN109868883 A CN 109868883A CN 201910228041 A CN201910228041 A CN 201910228041A CN 109868883 A CN109868883 A CN 109868883A
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Abstract
The present invention relates to municipal drain construction fields, aiming at the problem that construction operation is inconvenient, provide a kind of municipal subsoil drain pipeline construction method, the technical solution is as follows: the following steps are included: (1) construction well excavates；(2) it is reinforced at push pipe；(3) push pipe；(4) backfill construction well reserves inspection shaft；The drainpipe includes the component of following mass fraction: 100 parts of polymethyl methacrylate；30-33 parts of arghan；11-15 parts of anthracene.By drainpipe using polymethyl methacrylate as matrix, so that the lighter weight of drainpipe, lifting is convenient, cooperate arghan and anthracene, so that the physical property of drainpipe is preferable, so that the active force that soil and pipe jacking equipment generate drainpipe when drainpipe has enough physical properties to resist push pipe, so that drainpipe has enough structural strengths to be suitable for pipe pushing technology, so that construction is very convenient.
Description
Technical field
The present invention relates to municipal drain technical field of construction, more particularly, to a kind of municipal subsoil drain construction party
Method.
Background technique
Important component of the subsoil drain as sewerage system in municipal works, general drainage pipeline are embedded
In underground, common construction method has pavement excavation and two kinds of underground pipe-driving.
The construction method of pavement excavation needs then to be laid with pipeline from pavement excavation foundation pit, so that road surface is destroyed, needs
Closed section is wanted, traffic is seriously affected.
Therefore underground pipe-driving technique would be even more beneficial to reduce the influence to traffic, but need to overcome underground native when underground pipe-driving
The resistance of earth, pipeline is headed into, more demanding to pipeline strength, therefore frequently with steel pipe or pipe of concrete, and steel pipe or coagulation
Soil pipe is more heavy, so that lifting operation is inconvenient, therefore there are also improve space.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of municipal subsoil drain construction party
Method has advantage easy for construction.
To achieve the above object, the present invention provides the following technical scheme that
A kind of municipal administration subsoil drain pipeline construction method, comprising the following steps:
(1) construction well excavates；
(2) it is reinforced at push pipe；
(3) push pipe, specific as follows:
Conical metal head is fixed in drainpipe one end, and head is headed into soil, and drain level is kept to head into；
(4) backfill construction well reserves inspection shaft；
The drainpipe includes the component of following mass fraction:
100 parts of polymethyl methacrylate；
10-15 parts of arghan；
11-15 parts of anthracene.
By using above-mentioned technical proposal, soil is broken by conical metal head, so that drainpipe is easy to head into；It is logical
Drainpipe is crossed using polymethyl methacrylate as matrix, so that the lighter weight of drainpipe, lifting is convenient；By the way that spinach is added
Trailing plants leaf fibre is substantially improved the compression strength of polymethyl methacrylate using the rigidity of arghan, passes through addition
The compression and tensile strength of polymethyl methacrylate is substantially improved in anthracene, so that the physical property of drainpipe is preferable, so that row
The active force that soil and pipe jacking equipment generate drainpipe when water pipe has enough physical properties to resist push pipe, so that drainpipe
Have enough structural strengths be suitable for pipe pushing technology so that construction it is very convenient.
The present invention is further arranged to: according to the position of inspection shaft in design drawing when step (1) the construction well excavates
It is positioned and is excavated again.
By using above-mentioned technical proposal, so that the position of construction well is located at the position of inspection shaft in design, push pipe is finished
Afterwards, construction well and reserved space need to only be backfilled to form inspection shaft, without secondary excavation with inspection of construction well, improve construction
Efficiency, so that construction is more convenient.
The present invention is further arranged to: the length of the arghan is 0.8-1mm.
By using above-mentioned technical proposal, so that the length of arghan is shorter, not easy entanglement, so that pineapple leaves
Fiber only carries out local reinforcement, the influence of the drainpipe overall flexibility of reduction, so that with polymethyl methacrylate to drainpipe
Retain the distinctive a certain amount of flexibility of polymethyl methacrylate for the drainpipe of main base, avoids drainpipe integral rigidity mistake
Lead to receive the case where easily snapping off when impact greatly and the local compressed strength of drainpipe can be improved well simultaneously, so that draining
Tube top is stable during entering to squeeze soil smoothly to head into.
The present invention is further arranged to: the drainpipe further includes the component of following mass fraction:
8-10 parts of nano-nickel powder.
It by using above-mentioned technical proposal, is distributed in drainpipe by nano-nickel powder, so that service personnel is in drainpipe
When middle tour is overhauled, by nano-nickel powder reflection, refraction, preferably divide so that service personnel holds the light that light source issues
Cloth is in drainpipe, and then easy access personnel observe, so that upkeep operation is more convenient.
The present invention is further arranged to: the drainpipe further includes the component of following mass fraction:
3-5 parts of polytetrafluoroethylene (PTFE).
By using above-mentioned technical proposal, by polytetrafluoroethylene (PTFE) the anti-adhesion performance of polymethyl methacrylate is able to
It is promoted, so that the sewage flowed in drainpipe is not easy to leave stain on the tube wall of drainpipe, improves the cleannes of drainpipe,
The frequency of bacteria breed is reduced, water pollution is reduced, while reducing the case where stain weakens draining tube wall light transmission, guarantees to receive
The effect of rice nickel powder reflection light.
The present invention is further arranged to: the drainpipe further includes the component of following mass fraction:
5-8 parts of fluorescent powder.
By using above-mentioned technical proposal, the light that service personnel holds light source is absorbed by fluorescent powder, so that maintenance people
After the hand-held light source of member is removed, by light-emitting phosphor, so that preferably keeping more lasting, stable light in maintenance process
Degree, so that service personnel is easier to observe, so that upkeep operation is more convenient.
The present invention is further arranged to: the drainpipe further includes the component of following mass fraction:
Quartz powder 1-3 powder；
0.5-1 parts of silane coupling agent.
The resistance to of polymethyl methacrylate is preferably improved by the way that quartz powder is added by using above-mentioned technical proposal
Performance is ground, so that it is not easy to wear during drainpipe heads into, so that drainpipe is preferably suitable for pipe pushing technology；Pass through addition
Silane coupling agent, so that quartz powder preferably with polymethyl methacrylate mixed equilibrium and after mixing quartz powder
State it is more stable so that quartz powder steadily promotes the wear-resisting property of drainpipe.
The present invention is further arranged to: the preparation method of the drainpipe the following steps are included:
A. polymethyl methacrylate is broken into the particle that partial size is 1-2mm, polytetrafluoroethylene (PTFE) and anthracene is ground into
Partial size is the powder of 0.1-0.2mm；
B. by poly methyl methacrylate particle, arghan, nano-nickel powder, polytetrafluoroethylgranule granule, fluorescent powder, stone
English powder, which is added in stirred tank, stirs evenly and is heated to polymethyl methacrylate melting；
C. anthracene powder, silane coupling agent is added, stirs evenly to form drainpipe mixture；
D. drainpipe mixture is discharged into screw extruder and is extruded into drainpipe.
By using above-mentioned technical proposal, by the way that polymethyl methacrylate is broken into particle, so that polymethyl
Sour methyl esters and unclassified stores after mixing heating melting when, be heated more uniformly, reduce heating time, improve efficiency, and
Reduce local polymethyl methacrylate heated time longer the case where leading to thermo-oxidative ageing；By by polytetrafluoroethylene (PTFE) and anthracene
Grind into powder, so that polytetrafluoroethylene (PTFE) and anthracene are easier to be uniformly dispersed in polytetrafluoroethylene (PTFE)；In poly-methyl methacrylate
Anthracene powder is added after ester melting, issuable the case where flying upward when anthracene powder stirs in dry conditions is reduced, reduces ring
Border pollution.
In conclusion the invention has the following advantages:
1. by drainpipe using polymethyl methacrylate as matrix, so that the lighter weight of drainpipe, lifting side
Just, cooperate arghan and anthracene, so that the physical property of drainpipe is preferable, so that drainpipe there are enough physical properties to support
The active force that soil and pipe jacking equipment generate drainpipe when anti-push pipe, so that drainpipe has enough structural strengths with suitable
For pipe pushing technology, so that construction is very convenient.
2. being distributed in drainpipe by nano-nickel powder, when so that service personnel making an inspection tour maintenance in drainpipe, by receiving
Rice nickel powder reflects light, is reflected, and light distribution is promoted in drainpipe, easy access personnel observation, so that maintenance
Operation is more convenient.
3. the light that service personnel holds light source is absorbed by fluorescent powder, so that leading to after the hand-held light source of service personnel is removed
Light-emitting phosphor is crossed, so that more long light is kept in drainpipe, so that service personnel is easier to observe, so that maintenance is made
Industry is more convenient.
Specific embodiment
With reference to embodiments, invention is further described in detail.
Embodiment 1
A kind of municipal administration subsoil drain pipeline construction method, comprising the following specific steps
(1) construction well excavates, specific as follows:
It is positioned according to inspection shaft design position in construction drawing, the excavation construction well at positioning at least excavates adjacent
Next step is carried out again after two construction wells at inspection shaft.
(2) it is reinforced at push pipe, specific as follows:
Reinforced using steel pipe, length of steel pipe 50cm, pipe diameter be drain pipe outside diameter 110%, steel pipe with a thickness of
2cm is first headed into steel pipe by pipe jacking equipment, and steel pipe heads into drainage pipeline position coaxial line in position and design, by phase
Adjacent construction well side wall, that is, drainpipe heads into end and drainpipe ejects after end is all reinforced and carries out next step again.
(3) push pipe, specific as follows:
Conical metal head is bolted to connection at the top of drainpipe, metal head is using stainless in the present embodiment
Steel head, can also be using cast iron head, aluminium alloy head etc. in other embodiments；
One end level that drainpipe is connected with metal head is headed into soil by pipe jacking equipment, and makes drainpipe along gold
Belong to pipe axis and passes through steel pipe.
(4) backfill construction well reserves inspection shaft, specific as follows:
Inspection shaft side wall cast template is erect in construction well, is poured concrete to form inspection shaft side wall, drainpipe passes through
Inspection shaft side wall is worn to be connected to inspection shaft, after inspection shaft side wall final set, the backfill between inspection shaft side wall and construction well side wall
Earth is simultaneously compacted.
The preparation method of drainpipe comprising the following specific steps
A. polymethyl methacrylate is broken into the particle that partial size is 1-2mm, it is 0.1-0.2mm that anthracene, which is ground into partial size,
Powder.
B. polymethyl methacrylate 100kg, arghan 10kg are added in a stirring kettle, stirs 3min to stir
Even formation pre-composition, being then heated to pre-composition temperature while stirring is 200 DEG C；
C. anthracene powder 11kg is added into pre-composition, stirs 2min, forms the drainpipe mixture of molten；
Drainpipe mixture is discharged into screw extruder extrusion molding to form wall thickness as 5mm draining by d. constant temperature discharging
Pipe.
Embodiment 2
The difference from embodiment 1 is that:
The preparation method of drainpipe comprising the following specific steps
A. polymethyl methacrylate is broken into the particle that partial size is 1-2mm, it is 0.1-0.2mm that anthracene, which is ground into partial size,
Powder.
B. polymethyl methacrylate 100kg, arghan 12kg are added in a stirring kettle, stirs 3min to stir
Even formation pre-composition, being then heated to pre-composition temperature while stirring is 190 DEG C；
C. anthracene powder 13kg is added into pre-composition, stirs 2min, forms the drainpipe mixture of molten；
Drainpipe mixture is discharged into screw extruder extrusion molding to form wall thickness as 5mm draining by d. constant temperature discharging
Pipe.
Embodiment 3
The difference from embodiment 1 is that:
The preparation method of drainpipe comprising the following specific steps
A. polymethyl methacrylate is broken into the particle that partial size is 1-2mm, it is 0.1-0.2mm that anthracene, which is ground into partial size,
Powder.
B. polymethyl methacrylate 100kg, arghan 15kg are added in a stirring kettle, stirs 3min to stir
Even formation pre-composition, being then heated to pre-composition temperature while stirring is 210 DEG C；
C. anthracene powder 15kg is added into pre-composition, stirs 2min, forms the drainpipe mixture of molten；
Drainpipe mixture is discharged into screw extruder extrusion molding to form wall thickness as 5mm draining by d. constant temperature discharging
Pipe.
Embodiment 4
The difference from embodiment 1 is that:
The preparation method of drainpipe comprising the following specific steps
A. polymethyl methacrylate is broken into the particle that partial size is 1 ± 0.1mm, polytetrafluoroethylene (PTFE) and anthracene is ground
The powder for being 0.1-0.2mm at partial size.
B. polymethyl methacrylate 100kg is added in a stirring kettle, arghan 13.5kg, nano-nickel powder 8kg, gathers
Tetrafluoroethene powder 3kg, fluorescent powder 5kg, quartz powder 1kg stir 3min to stir evenly to form pre-composition, and then side is stirred
While being heated to pre-composition temperature is 200 DEG C；
C. anthracene powder 12.8kg, silane coupling agent 0.5kg are added into pre-composition, stirs 2min, forms the row of molten
Water pipe mixture；
Drainpipe mixture is discharged into screw extruder extrusion molding to form wall thickness as 5mm draining by d. constant temperature discharging
Pipe.
Embodiment 5
The difference from embodiment 1 is that:
The preparation method of drainpipe comprising the following specific steps
A. polymethyl methacrylate is broken into the particle that partial size is 1 ± 0.1mm, polytetrafluoroethylene (PTFE) and anthracene is ground
The powder for being 0.1-0.2mm at partial size.
B. polymethyl methacrylate 100kg is added in a stirring kettle, arghan 13.5kg, nano-nickel powder 9kg, gathers
Tetrafluoroethene powder 4kg, fluorescent powder 6kg, quartz powder 2kg stir 3min to stir evenly to form pre-composition, and then side is stirred
While being heated to pre-composition temperature is 200 DEG C；
C. anthracene powder 12.8kg, silane coupling agent 0.8kg are added into pre-composition, stirs 2min, forms the row of molten
Water pipe mixture；
Drainpipe mixture is discharged into screw extruder extrusion molding to form wall thickness as 5mm draining by d. constant temperature discharging
Pipe.
Embodiment 6
The difference from embodiment 1 is that:
The preparation method of drainpipe comprising the following specific steps
A. polymethyl methacrylate is broken into the particle that partial size is 1 ± 0.1mm, polytetrafluoroethylene (PTFE) and anthracene is ground
The powder for being 0.1-0.2mm at partial size.
B. in a stirring kettle be added polymethyl methacrylate 100kg, arghan 13.5kg, nano-nickel powder 10kg,
Polytetrafluorethylepowder powder 5kg, fluorescent powder 8kg, quartz powder 3kg stir 3min to stir evenly to form pre-composition, and then side is stirred
Mixing side and being heated to pre-composition temperature is 200 DEG C；
C. anthracene powder 12.8kg, silane coupling agent 1kg are added into pre-composition, stirs 2min, forms the draining of molten
Pipe mixture；
Drainpipe mixture is discharged into screw extruder extrusion molding to form wall thickness as 5mm draining by d. constant temperature discharging
Pipe.
Embodiment 7
The difference from embodiment 1 is that:
The preparation method of drainpipe comprising the following specific steps
A. polymethyl methacrylate is broken into the particle that partial size is 1 ± 0.1mm, polytetrafluoroethylene (PTFE) and anthracene is ground
The powder for being 0.1-0.2mm at partial size.
B. in a stirring kettle be added polymethyl methacrylate 100kg, arghan 13.5kg, nano-nickel powder 9.2kg,
Polytetrafluorethylepowder powder 4.7kg, fluorescent powder 6.8kg, quartz powder 2.2kg stir 3min to stir evenly to form pre-composition, so
Being heated to pre-composition temperature while stirring afterwards is 200 DEG C；
C. anthracene powder 12.8kg, silane coupling agent 0.7kg are added into pre-composition, stirs 2min, forms the row of molten
Water pipe mixture；
Drainpipe mixture is discharged into screw extruder extrusion molding to form wall thickness as 5mm draining by d. constant temperature discharging
Pipe.
Comparative example 1
Difference with embodiment 7 is:
The preparation method of drainpipe comprising the following specific steps
A. polymethyl methacrylate is broken into the particle that partial size is 1 ± 0.1mm, polytetrafluoroethylene (PTFE) and anthracene is ground
The powder for being 0.1-0.2mm at partial size.
B. polymethyl methacrylate 100kg, nano-nickel powder 9.2kg, polytetrafluorethylepowder powder are added in a stirring kettle
4.7kg, fluorescent powder 6.8kg, quartz powder 2.2kg stir 3min to stir evenly to form pre-composition, then heat while stirring
It is 200 DEG C to pre-composition temperature；
C. anthracene powder 12.8kg, silane coupling agent 0.7kg are added into pre-composition, stirs 2min, forms the row of molten
Water pipe mixture；
Drainpipe mixture is discharged into screw extruder extrusion molding to form wall thickness as 5mm draining by d. constant temperature discharging
Pipe.
Comparative example 2
The difference from embodiment 1 is that:
The preparation method of drainpipe comprising the following specific steps
A. polymethyl methacrylate is broken into the particle that partial size is 1 ± 0.1mm, polytetrafluoroethylene (PTFE) and anthracene is ground
The powder for being 0.1-0.2mm at partial size.
B. polymethyl methacrylate 100kg, nano-nickel powder 9.2kg, polytetrafluorethylepowder powder are added in a stirring kettle
4.7kg, fluorescent powder 6.8kg, quartz powder 2.2kg stir 3min to stir evenly to form pre-composition, then heat while stirring
It is 200 DEG C to pre-composition temperature；
C. silane coupling agent 0.7kg is added into pre-composition, stirs 2min, forms the drainpipe mixture of molten；
Drainpipe mixture is discharged into screw extruder extrusion molding to form wall thickness as 5mm draining by d. constant temperature discharging
Pipe.
Comparative example 3
The difference from embodiment 1 is that:
The preparation method of drainpipe comprising the following specific steps
A. polymethyl methacrylate is broken into the particle that partial size is 1 ± 0.1mm, polytetrafluoroethylene (PTFE) and anthracene is ground
The powder for being 0.1-0.2mm at partial size.
B. in a stirring kettle be added polymethyl methacrylate 100kg, arghan 13.5kg, nano-nickel powder 9.2kg,
Fluorescent powder 6.8kg, quartz powder 2.2kg stir 3min to stir evenly to form pre-composition, are then heated to premixing while stirring
Object temperature is 200 DEG C；
C. anthracene powder 12.8kg, silane coupling agent 0.7kg are added into pre-composition, stirs 2min, forms the row of molten
Water pipe mixture；
Drainpipe mixture is discharged into screw extruder extrusion molding to form wall thickness as 5mm draining by d. constant temperature discharging
Pipe.
Comparative example 4
The difference from embodiment 1 is that:
The preparation method of drainpipe comprising the following specific steps
A. polymethyl methacrylate is broken into the particle that partial size is 1 ± 0.1mm, polytetrafluoroethylene (PTFE) and anthracene is ground
The powder for being 0.1-0.2mm at partial size.
B. in a stirring kettle be added polymethyl methacrylate 100kg, arghan 13.5kg, nano-nickel powder 9.2kg,
Polytetrafluorethylepowder powder 4.7kg, fluorescent powder 6.8kg, 3min is stirred to stir evenly to form pre-composition, then while stirring plus
Heat to pre-composition temperature is 200 DEG C；
C. anthracene powder 12.8kg, silane coupling agent 0.7kg are added into pre-composition, stirs 2min, forms the row of molten
Water pipe mixture；
Drainpipe mixture is discharged into screw extruder extrusion molding to form wall thickness as 5mm draining by d. constant temperature discharging
Pipe.
Comparative example 5
Difference with embodiment 7 is:
The preparation method of drainpipe comprising the following specific steps
A. polymethyl methacrylate is broken into the particle that partial size is 1 ± 0.1mm, polytetrafluoroethylene (PTFE) and anthracene is ground
The powder for being 0.1-0.2mm at partial size.
B. in a stirring kettle be added polymethyl methacrylate 100kg, arghan 13.5kg, nano-nickel powder 9.2kg,
Polytetrafluorethylepowder powder 4.7kg, fluorescent powder 6.8kg, quartz powder 2.2kg stir 3min to stir evenly to form pre-composition, so
Being heated to pre-composition temperature while stirring afterwards is 200 DEG C；
C. anthracene powder 5kg, silane coupling agent 0.7kg are added into pre-composition, stirs 2min, forms the drainpipe of molten
Mixture；
Drainpipe mixture is discharged into screw extruder extrusion molding to form wall thickness as 5mm draining by d. constant temperature discharging
Pipe.
Comparative example 6
Difference with embodiment 7 is:
The preparation method of drainpipe comprising the following specific steps
A. polymethyl methacrylate is broken into the particle that partial size is 1 ± 0.1mm, polytetrafluoroethylene (PTFE) and anthracene is ground
The powder for being 0.1-0.2mm at partial size.
B. in a stirring kettle be added polymethyl methacrylate 100kg, arghan 13.5kg, nano-nickel powder 9.2kg,
Polytetrafluorethylepowder powder 4.7kg, fluorescent powder 6.8kg, quartz powder 2.2kg stir 3min to stir evenly to form pre-composition, so
Being heated to pre-composition temperature while stirring afterwards is 200 DEG C；
C. anthracene powder 20kg, silane coupling agent 0.7kg are added into pre-composition, stirs 2min, forms the draining of molten
Pipe mixture；
Drainpipe mixture is discharged into screw extruder extrusion molding to form wall thickness as 5mm draining by d. constant temperature discharging
Pipe.
Test 1
The drainpipe for passing through each Examples and Comparative Examples according to GB/T1041-2008 " measurement of plastic compression performance " detection
The compressive strength of the sample of preparation method preparation.
Test 2
It detects through each embodiment and compares according to GB/T16421-1996 " plastic tensile performance small sample test method "
The tensile strength of the sample of the draining tube preparation method preparation of example.
Test 3
The draining for passing through each Examples and Comparative Examples according to GB/T5478-2008 " plastics rolling wear test method " detection
Mass loss amount of the sample of tube preparation method preparation when rotating 1000r.
Test 4
Clear water is held in bucket, in clear water instill black ink with when bucket in water in black formed " sewage ",
The sample of long 10cm, width 2cm, thickness 2mm are prepared by the draining tube preparation method of each Examples and Comparative Examples, each sample is vertical
It immerses in " sewage ", sample immersion depth is 5cm, after impregnating for 24 hours, takes out each sample, observes staining conditions.
Specific test data is shown in Table 1
Table 1
It can be obtained according to table 1, the ratio by polymethyl methacrylate and anthracene cooperation and mass fraction is polymethyl
Sour methyl esters: when anthracene=100:11-15, the compressive strength and tensile strength of anthracene and polymethyl acrylate blend will be made
It is substantially improved, effectively improves the structural strength of drainpipe, so that drainpipe is suitable for pipe pushing technology.
By the way that arghan is added in polymethyl methacrylate, so that the compressive strength of drainpipe further mentions
Height is more preferably suitable for pipe pushing technology, so that drainpipe is when heading into soil, it is more preferably stable, it is survivable.
By the way that quartz is added in polymethyl methacrylate, so that the wear-resisting property of drainpipe is improved, cooperation is poly-
The preferable wear-resisting property of methyl methacrylate itself is hardly damaged so that drainpipe heads into soil and wears less.
By the way that polytetrafluoroethylene (PTFE) is added in polymethyl methacrylate, so that the anti-adhesion performance of drainpipe is improved,
Stain is not easy to be adhered on the inner wall of drainpipe, so that service personnel is easier to observe in maintenance, it is easy to operate.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of municipal administration subsoil drain pipeline construction method, it is characterized in that: the following steps are included:
(1) construction well excavates；
(2) it is reinforced at push pipe；
(3) push pipe, specific as follows:
Conical metal head is fixed in drainpipe one end, and head is headed into soil, and drain level is kept to head into；
(4) backfill construction well reserves inspection shaft；
The drainpipe includes the component of following mass fraction:
100 parts of polymethyl methacrylate；
10-15 parts of arghan；
11-15 parts of anthracene.
2. municipal administration subsoil drain pipeline construction method according to claim 1, the well it is characterized in that: step (1) is constructed
It is positioned when excavation according to the position of inspection shaft in design drawing and is excavated again.
3. municipal administration subsoil drain pipeline construction method according to claim 1, it is characterized in that: the length of the arghan
Degree is 0.8-1mm.
4. municipal administration subsoil drain pipeline construction method according to claim 1, it is characterized in that: the drainpipe further include with
The component of lower mass fraction:
8-10 parts of nano-nickel powder.
5. municipal administration subsoil drain pipeline construction method according to claim 4, it is characterized in that: the drainpipe further include with
The component of lower mass fraction:
3-5 parts of polytetrafluoroethylene (PTFE).
6. municipal administration subsoil drain pipeline construction method according to claim 5, it is characterized in that: the drainpipe further include with
The component of lower mass fraction:
5-8 parts of fluorescent powder.
7. municipal administration subsoil drain pipeline construction method according to claim 6, it is characterized in that: the drainpipe further include with
The component of lower mass fraction:
Quartz powder 1-3 powder；
0.5-1 parts of silane coupling agent.
8. municipal administration subsoil drain pipeline construction method according to claim 7, it is characterized in that: the preparation side of the drainpipe
Method the following steps are included:
A. polymethyl methacrylate is broken into the particle that partial size is 1-2mm, polytetrafluoroethylene (PTFE) and anthracene is ground into partial size
For the powder of 0.1-0.2mm；
B. by poly methyl methacrylate particle, arghan, nano-nickel powder, polytetrafluoroethylgranule granule, fluorescent powder, silica flour
End, which is added in stirred tank, stirs evenly and is heated to polymethyl methacrylate melting；
C. anthracene powder, silane coupling agent is added, stirs evenly to form drainpipe mixture；
D. drainpipe mixture is discharged into screw extruder and is extruded into drainpipe.
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| CN201910228041.9A CN109868883A (en) | 2019-03-25 | 2019-03-25 | Municipal subsoil drain pipeline construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110317400A (en) * | 2019-07-22 | 2019-10-11 | 广东天濠建设工程有限公司 | The green drainpipe in municipal gardens |
| CN111321792A (en) * | 2020-03-25 | 2020-06-23 | 广东荣潮拓展建设有限公司 | Sewage pipeline construction process |
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