CN107023061A - Assembled plastics municipal drainage inspection shaft and construction method - Google Patents
Assembled plastics municipal drainage inspection shaft and construction method Download PDFInfo
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- CN107023061A CN107023061A CN201710259929.XA CN201710259929A CN107023061A CN 107023061 A CN107023061 A CN 107023061A CN 201710259929 A CN201710259929 A CN 201710259929A CN 107023061 A CN107023061 A CN 107023061A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
- E03F5/024—Manhole shafts or other inspection chambers; Snow-filling openings; accessories made of plastic material
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
- E03F5/027—The bottom made of prefabricated segments
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Abstract
The present invention relates to assembled plastics municipal drainage inspection shaft and construction method, belong to drainage system field.Construction size using current standard figure inspection shaft meets the chute, workbench and maintenance requirement of going into the well of specification as foundation.Mainly it is made up of basis, chute, well room, cover plate, pit shaft, well lid, chute, well room, pit shaft adopt component made of plastic, field combinations form and are used as bearing carrier provided with reinforced concrete frame in vitro in plastic well, soil pressure around ground load and well is undertaken by armored concrete, constitute the mixed structure of plastics and armored concrete, this mixed structure of modeling has the good seal of plastics, and armored concrete has stronger bearing capacity.During pouring frame concrete, template is made using plastics well body, without formwork and form removal, the material of formwork form removal is saved and artificial.Eliminate prior art municipal drainage inspection shaft lay bricks or formwork casting concrete cumbersome process, speed of application, quality is easily controlled.
Description
Technical field
The present invention relates to assembled plastics municipal drainage inspection shaft and construction method, belong to drainage system field, especially relate to
And apply the plastic drainage inspection well under town road.
Background technology
Municipal drainage is divided into rainwater and sewage, and run-off system is divided into two kinds of separate system and combined system, and most of city is all
Separate system, i.e. rainwater, sewage is taken to discharge respectively.Unit or residential area along urban road are typically all functional in organized water drainage,
Rainwater, sewage are collected to the drainage pipeline drained under urban road, municipal drain is commonly called as.Rainwater, sewage pass through municipal administration row again
Waterpipe drains into water body or sewage treatment plant.Municipal drainage pipeline at spacing intervals, pipeline turning, need at branch pipe access
Inspection shaft is set.The characteristics of municipal drain is that caliber is larger, and the inspection shaft used is also larger.《Code for design of outdoor sewerage engineering》
GB50014-2006, regulation is made that to the well room height of inspection shaft, the setting of chute, turning inspection shaft chute radius.
When carrying out drainage pipeline design, designer is to use national standard drawing《Drainage inspection well》02S515, or《Municipal administration row
Waterpipe engineering and affiliated facility》06MS201, the latter is the former revision file version.Municipal drainage inspection shaft is according to caliber
Difference is divided into circle, rectangle, sector etc..Circular inspection well diameter has tetra- kinds of 700mm, 1000mm, 1250 and 1500mm, is applicable
It is less than or equal to 1000mm pipeline in caliber, thorough examination well uses rectangle to caliber again, and the inspection shaft at Large Diameter Pipeline turning is using fan
Shape.Chute is provided with drainage inspection well, flow is improved to reduce turbulent flow, is additionally provided with workbench, easy access personnel
Well servicing, well room height is also required, it is ensured that downhole operations have enough spaces.
The plastic drainage inspection well of prior art is all smaller, may be only available for the row inside residential quarter and enterprises and institutions
Waterpipe.《Plastic drainage inspection well application technology code》CJJ209T-2013 provide, code " be applied to it is newly-built, extend and change
Hole diameter is not more than the drainage inspection well that 1000mm, buried depth are not more than 6m in the buried drainage system built "；《One residential plastic row
Water inspection shaft》08SS523 is clear and definite, it is adaptable to " one residential（Residential area, public building area, plant area etc.）In the range of buried plastics
Drainage pipeline external diameter is not more than the plastic drainage inspection well that 800mm, the depth of burying are not more than 6m, not down-hole operation ".According to municipal administration
The detailing requiments of drainage inspection well, the plastic inspection well of prior art can not be used in municipal administration drainage channel project.It is existing
There is technology《Municipal drainage plastic inspection well》Patent No. CN201520385429.7,《Big plastic inspection well》The patent No.
CN201210519421.6, the intensity of inspection shaft is improved using ribs, although is also provided with cat ladder and is supplied well servicing under people, still
Lack chute and workbench these necessary constructions, designer be able to can not use because not meeting code requirement.Municipal drainage
Pipe diameter is larger, and corresponding inspection shaft size is also larger.Caliber 1500mm four-way inspection shaft is such as exported, well chamber size is length
3.3m, wide 2.48m, for the high 1.8m in rainwater pipe well room, for the high 3.3m in sewage tube well room.So big inspection shaft only uses plastics
It is difficult to meet intensity requirement that ribs, which is,.Most of especially municipal inspection shaft is all disposed within road, by vehicular load
Effect, the intensity requirement to inspection shaft is higher.This is also that restriction plastic drainage inspection well is applied in municipal drainage pipeline
Problem.
Existing standard drawing inspection shaft, is divided to brick and two kinds of structure types of concreting.It is most of in Practical Project
It is to use brickwork construction, it is brick to have the advantages that easy construction, short time limit relative to concrete structure.But brick drainage inspection well
Build by laying bricks or stones requirement it is very high, puzzle joint mortar should be full, and well inner waterproofing sand finish is closely knit.To be closed before drainage pipeline backfill
Water test, examines the airtight performance of pipeline.Closed-water test requires band well experiment, i.e., pipeline is together with inspection shaft closed-water test.
Often there is inspection shaft in practice of construction, to build brickwork joint by laying bricks or stones not tight, especially compared between pipeline and inspection shaft it is difficult build by laying bricks or stones, well
The hidden danger of quality such as leakiness of inside wiping one's face.Height of being wiped one's face in standard drawing rainwater inspection well is in the upper 200mm in top in pipe, sewage inspection well
Height of wiping one's face is to well ceiling, and the water level of closed-water test is top above 2m in the inspection well casing of test section most upstream, it is possible to deposited
It is higher than the phenomenon for height of wiping one's face in water level, inspection shaft easily causes leak（The seat slurry of especially cover plate and well body is to leak
The main portions of water）, leak cause closed-water test be do not reach requirement, it is necessary to wipe one's face again in addition remove inspection shaft build again
Build.Drainage also occurs in the inspection shaft of concrete cast in situs leakiness of vibrating.Therefore, designer can typically apply mechanically
During standard drawing, it is desirable to wiped one's face in rainwater inspection well to well head, wiped one's face inside and outside sewage inspection well to well head.Brick and concrete inspection
Well technological requirement is high, and difficulty of construction is big, and site operation is influenceed greatly by Personnel Skill Levels, and construction quality is uneven, construction week
Phase is long, and airtight performance is not so good as plastic inspection well.
The content of the invention
The purpose of the present invention is：A kind of assembled plastics municipal drainage inspection shaft is provided, with current standard figure inspection shaft
Construction size is foundation, meets the chute, workbench and maintenance requirement of going into the well of specification.It is main by basis, chute, well room, cover plate,
Pit shaft, well lid composition, chute, well room, pit shaft adopt component made of plastic, and field combinations are formed, and are set around plastics well body
There is reinforced concrete frame as bearing structure, the soil pressure around ground load and well is undertaken by armored concrete, composition modeling
The mixed structure of material and armored concrete, this modeling, which mixes structure, has the good seal of plastics, and armored concrete is stronger to be held
Carry power.Frame concrete is poured makees template using plastics well body, without formwork and form removal, saves material and the people of formwork form removal
Work.Beneficial effect is：Overcome smaller existing plastic inspection well, no chute and well room, well servicing, plastic strength can not be descended low
The inadaptable defect for making the municipal inspection shaft of large volume, the brick or concrete inspection well seal that compensate for prior art is poor,
Easily there is drainage, working procedure is complicated, the weakness of long construction period.
The present invention is realized by following technology：Assembled plastics municipal drainage inspection shaft, mainly by chute section 1, well
Room section 2, deck segment 3, wellbore section 4, well head section 5, well lid 6, basis 7 are constituted.Described chute section 1, well room section 2, deck segment 3,
Wellbore section 4, well head section 5 are to be linked and packed between the component using plastic production, component using Push-fit, composition inspection shaft
Well body.Inspection shaft uses plastic member assembled in situ combined cast-in-situ concrete construction, is followed successively by from bottom to top：Basis 7, chute section
1st, well room section 2, deck segment 3, wellbore section 4, well head section 5, well lid 6.The periphery of chute section 1 is provided with chute post 17, chute post 17
Provided with chute post reinforcing bar 18, the anchoring lower ends of chute post reinforcing bar 18 are in the concrete on basis 7.The periphery of well room section 2 is provided with well
Well room post reinforcing bar 24 is provided with room post 23, well room post 23, chute post 17 and well room post 23 are in identical plan-position, up and down phase
Logical, chute post reinforcing bar 18 and well room post reinforcing bar run through connection about 24, the coagulation of cover plate 31 is stretched into the upper end of well room post reinforcing bar 24
In native.Deck segment 3 is arranged on the top of well room section 2, and the top of deck segment 3 is wellbore section 4, and the periphery of wellbore section 4 is provided with pit shaft
Pit shaft post reinforcing bar 44 is provided with post 43, pit shaft post 43, the anchoring lower ends of pit shaft post reinforcing bar 44 are in the concrete of cover plate 31, pit shaft
The upper end of section post reinforcing bar 44 is stretched into cushion cap 51, and cushion cap 51, which is located in one week of well head section 5, cushion cap 51, is provided with cushion cap reinforcing bar 52,
Well lid 6 is arranged on cushion cap 51, the waterproof well body that composition one is assembled by plastic member, and armored concrete is framework load-bearing
The modeling of structure mixes structure inspection well.
Described chute section 1 is made up of the water section excessively of inspection shaft chute inwall 11 and chute housing 12, provided with inlet tube
13 and outlet 14, it is chute 15 between inlet tube 13 and outlet 14, the both sides of chute 15 are workbench 16, chute inwall 11
The space enclosed with chute housing 12, as setting chute post 17, the bottom of chute 15 and workbench 16 uses Concrete Filled
Shaft bottom 19, shaft bottom 19 and the concrete of chute post 17 are connected as a single entity.The frame 22 outside well chamber interior walls 21 and well room of well room section 2 constitutes use
In the space that frame 22 is enclosed outside the operating space for checking well servicing, well chamber interior walls 21 and well room, as setting well room post 23.Cover plate
Section 3 is made up of well seat pipe pipeline joint 32 and cover plate housing 33 is provided with cover plate reinforcing bar 34, cover plate in the template for pouring cover plate 31, deck segment 3
31 use concreting, and well room post reinforcing bar 24 is stretched into cover plate 31, and cover plate 31 is supported on well room post 23.Wellbore section 4 is by well
Cylinder inwall 41 and pit shaft housing 42 constitute the passage for pipe-dredging and lower well servicing, and shaft in wall 41 and pit shaft housing 42 enclose
The space of conjunction, as pit shaft post 43 is set, pit shaft post 43 is supported on cover plate 31.Well head section 5 is a diameter and shaft in wall
41 identical annulus, installed in the top of wellbore section 4, as the internal model for pouring cushion cap 51.
Chute section 1, well room section 2, deck segment 3, wellbore section 4, interior be provided with cat ladder 8, cat ladder 8 of well head section 5 set reinforcing bar outsourcing
Plastics, the position of each section of setting is unanimous between the higher and lower levels, and the Bar Anchorage of cat ladder 8 is in the concrete of correspondent section column.
The construction method of assembled plastics municipal drainage inspection shaft, basis 7, chute section 1, well room section 2, deck segment 3, pit shaft
Section 4, well head section 5, well lid 6, block assembly combined cast-in-situ concrete construction from bottom to top, construction method are as follows.
A. colligation chute post reinforcing bar 18, well room post reinforcing bar 24, cover plate reinforcing bar 34, pit shaft post reinforcing bar 44, cushion cap reinforcing bar are made
52, chute post reinforcing bar 18 and the making of well room post reinforcing bar 24 have two methods, and one kind is that chute post reinforcing bar 18 is reserved and well room post
The overlap of reinforcing bar 24, welding both during section construction；Another is that chute post reinforcing bar 18 and well room post reinforcing bar 24 are combined into one
Body, from basis 7 through to cover plate 31.
B. basis 7 is poured on the inspection shaft ground dug, the good chute post reinforcing bar 18 of colligation is embedded in the mixed of basis 7
In solidifying soil.
C. after basic 7 concrete final set, chute section 1 is mounted above, what chute inwall 11 and chute housing 12 were enclosed
Chute post reinforcing bar 18 is entangled in space, position and the elevation of adjustment inlet tube 13 and outlet 14, and chute section 1 is fixed, bottom with
Gap between basis 7 is sealed using mortar, is poured the concrete of chute post 17, is vibrated using vibrating head, and concrete flows into chute
15 and the bottom of workbench 16, the steam vent of the top surface of workbench 16, which excludes air, makes Concrete Filled closely knit, forms shaft bottom 19, and
The concrete of chute post 17 is combined into one.
D. after the concrete final set of chute post 17, well room section 2 is arranged on to the top of chute section 1, well chamber interior walls 21 and well room
Well room post reinforcing bar 24 is entangled in the space that housing 22 is enclosed, and fluid sealant is smeared in chute section 1 and the bell and spigot of well room 2 junctions of section,
Well room section 2 is inserted in the bellmouth of chute section 1, pours the concrete of well room post 23.
E. after the concrete final set of well room post 23, deck segment 3 is arranged on to the top of well room section 2, section 2 and deck segment in well room
The bell and spigot of 3 junctions is smeared in fluid sealant, the bellmouth of the insertion well of deck segment 3 room section 2, places cover plate reinforcing bar 34, and with stretching into
The colligation of well room post reinforcing bar 24 of cover plate 31 firmly, is installed pit shaft post reinforcing bar 44 and is embedded in cover plate 31, pour the concrete of cover plate 31.
F. after the concrete final set of cover plate 31, wellbore section 4 is arranged in the top of the well seat pipe pipeline joint 32 of deck segment 3, pit shaft
Pit shaft post reinforcing bar 44 is entangled in the space that wall 41 and pit shaft housing 42 are enclosed, the socket joint in wellbore section 4 Yu the junction of well seat pipe pipeline joint 32
Mouth is smeared in fluid sealant, the bellmouth of the well seat pipe pipeline joint 32 of the insertion deck segment 3 of wellbore section 4, pours pit shaft post 43.
G. the concrete of pit shaft post 43 is reached after intensity, is backfilled the earthwork in the periphery of inspection shaft and is rammed packing reality, is filled to pit shaft
During the top of section 4, well head section 5 is arranged on to the top of wellbore section 4, smeared in well head section 5 and the bell and spigot of the junction of wellbore section 4
Fluid sealant, well head section 5 is inserted in the bellmouth of wellbore section 4, places cushion cap reinforcing bar 52, and with stretching into the pit shaft post reinforcing bar in cushion cap 51
44 colligations firmly, pour the concrete of cushion cap 51.
H. after the concrete final set of cushion cap 51, well lid 6 is fixed in the above, the road surface around making inspection shaft.
The present invention is a kind of plastics well body component of batch production manufacture, assembled in situ combination, with reference to pouring reinforcement concrete
The modeling of framework formation mixes structure inspection well.During pouring frame concrete, template is made using plastics well body, without formwork and form removal,
Save the material of formwork form removal and artificial.Prior art municipal drainage inspection shaft is eliminated to lay bricks or formwork casting concrete
Cumbersome process, speed of application, quality is easily controlled.
Brief description of the drawings
Fig. 1 is the longitudinal sectional elevation of inventive pipeline；
Fig. 2 is the horizontal sectional elevation of inventive pipeline；
Fig. 3 is reinforced concrete frame sectional elevation of the present invention（Fig. 7 F-F is cutd open）；
Fig. 4 is chute section flat sectional drawing（Fig. 1 A-A is cutd open）；
Fig. 5 is well room section flat sectional drawing（Fig. 1 B-B is cutd open）；
Fig. 6 is deck segment flat sectional drawing（Fig. 1 C-C is cutd open）；
Fig. 7 is wellbore section flat sectional drawing（Fig. 1 D-D is cutd open）；
Fig. 8 is well head section flat sectional drawing（Fig. 1 E-E is cutd open）.
In figure：1- chutes section, 2- wells room section, 3- deck segments, 4- wellbore sections, 5- well heads section, 6- well lids, 7- bases, 8- is climbed
Ladder, 11- chute inwalls, 12- chute housings, 13- inlet tubes, 14- outlets, 15- chutes, 16- workbench, 17- chutes post, 18
Frame outside chute post reinforcing bar, 19- shaft bottoms, 21- well chamber interior walls, 22- wells room, 23- wells room post, 24- wells room post reinforcing bar, 31- cover plates,
32- well seat pipe pipeline joints, 33- cover plate housings, 34- cover plate reinforcing bars, 41- shaft in wall, 42- pit shaft housings, 43- pit shaft posts, 44- pit shafts
Post reinforcing bar, 51- cushion caps, 52- cushion cap reinforcing bars.
Embodiment
The present invention is a kind of well body being made up of plastic member, and assembled in situ is combined, and armored concrete is provided with around well body
Framework mixes structure inspection well as the modeling of carrying.Assembled plastics municipal drainage inspection shaft, mainly by chute section 1, well room section 2,
Deck segment 3, wellbore section 4, well head section 5, well lid 6, basis 7 are constituted.Inventive pipeline longitudinal direction sectional elevation is shown in Fig. 1, and the figure is edge
The facade cutting of inspection shaft central tube longitudinal direction；Pipeline transverse direction sectional elevation is shown in Fig. 2, and the figure is laterally vertical along inspection shaft central tube
Face cutting.It can be seen that and be followed successively by from bottom to top from Fig. 1, Fig. 2：Basis 7, chute section 1, well room section 2, deck segment 3, wellbore section
4th, well head section 5, well lid 6.Chute section 1, well room section 2, deck segment 3, wellbore section 4, well head section 5 are the component using plastic production,
It is linked and packed between component using Push-fit, constitutes the well body of inspection shaft.Inspection shaft is combined using plastic member assembled in situ
Cast-in-place concrete construction.Fig. 1, Fig. 2 show the assembly relation of inspection shaft plastic member, and Fig. 3 is reinforced concrete frame of the present invention
Sectional elevation, the figure is the vertical cutting of marginal position close to wellbore section 4, cutting to basis 7, chute post 17, well along inspection shaft
Room post 23, cover plate 31, pit shaft post 43, the position of cushion cap 51, are that Fig. 7 F-F is cutd open, the figure shows the steel reinforced concrete frame of inspection shaft
Framework is made.
Embodiment：Now illustrate each position construction and annexation by taking circular drainage inspection well as an example.
Chute section 1 crosses water section by what chute inwall 11 and chute housing 12 constituted inspection shaft, provided with inlet tube 13 and going out
Mouth pipe 14, is chute 15 between inlet tube 13 and outlet 14, the both sides of chute 15 are workbench 16.Chute inwall 11 and chute
The space that housing 12 is enclosed, as setting chute post 17.The flat shape of chute inwall 11 is circle, the flat shape of chute housing 12
For square, square circumscribed circle, the square length of side is equal to round diameter, and square four are formed between angle and circle
One hypotenuse is the triangle of circular arc, is exactly the space that chute inwall 11 and chute housing 12 are enclosed.The periphery of chute section 1 is provided with
Chute post 17, the section of chute post 17 is that chute post reinforcing bar 18 is provided with hypotenuse circular triangle, chute post 17, and chute section 1 is flat
Profile is shown in Fig. 4, and the figure is that Fig. 1 A-A is cutd open.Inspection shaft is accessed if any one or both sides branch pipe, and chute 15 is accordingly connected, Fig. 1,
Fig. 2, Fig. 4 the dotted line mouth of pipe are shown as side branch access.The anchoring lower ends of chute post reinforcing bar 18 basis 7 concrete in,
The bottom of chute 15 and workbench 16 use Concrete Filled shaft bottom 19, be connected as a single entity with the concrete of chute post 17, see Fig. 1,
Fig. 2, Fig. 3.
Well room section 2 is arranged on the top of chute section 1, and the frame 22 outside well chamber interior walls 21 and well room of well room section 2 is constituted for examining
The well room of well servicing is looked into, the flat shape and size of well room section 2 are also square circumscribed circle, do not had simply as chute section 1
There are inlet tube 13, outlet 14, chute 15 and workbench 16.The space that frame 22 is enclosed outside well chamber interior walls 21 and well room, as setting
Put well room post 23.The periphery of well room section 2 is provided with well room post 23, and the section of well room post 23 is also hypotenuse circular triangle, well room post
Well room post reinforcing bar 24 is provided with 23, well room 2 flat sectional drawings of section are shown in Fig. 5, and the figure is that Fig. 1 B-B is cutd open.Chute post 17 and well room post 23
Section size is identical, is all disposed within four angles identical plan-position, communicates up and down, chute post reinforcing bar 18 and well room post reinforcing bar 24
Up and down through connection, the upper end of well room post reinforcing bar 24 is stretched into the concrete of cover plate 31, sees Fig. 3.
Deck segment 3 is arranged on the top of well room section 2, and deck segment 3 is the conversion portion of well room section 2 and wellbore section 4, is also carried
The component of ground load.Deck segment 3 is made up of the template for pouring cover plate 31 well seat pipe pipeline joint 32 and cover plate housing 33.Cover plate housing 33
Flat shape is square, without inscribed circle, but in the bottom of deck segment 3 and the junction of well chamber interior walls 21 of well room section 2, provided with straight
In footpath and the identical socket of well chamber interior walls 21, the bellmouth of insertion well chamber interior walls 21.One jiao, which is inclined to, in the deck segment 3 of square is provided with well
Cylinder interface 32, well seat pipe pipeline joint 32 for circle, diameter be less than well chamber interior walls 21, the partial arc of one jiao of the deviation of well seat pipe pipeline joint 32,
With the phase inscribe of well chamber interior walls 21 of bottom, the passage that wellbore section 4 leads to well room section 2 is formed, phase inscribe arc-shaped edges are leveled up and down, just
Gone into the well in attendant.The position of the hypotenuse circular triangle corresponding well room post 23 at 3 four angles of deck segment does not have bottom, with well room post
23 connections, well room post reinforcing bar 24 can stretch into deck segment 3.The following circular part of well chamber interior walls 21 of the correspondence of deck segment 3 is except well
Cylinder interface 32 is the bottom of without, and remainder has bottom, as the bed die for pouring the concrete of cover plate 31.Cover plate reinforcing bar is provided with deck segment 3
34, cover plate 31 uses concreting, and the flat sectional drawing of deck segment 3 is shown in Fig. 6, and the figure is that Fig. 1 C-C is cutd open.Well room post reinforcing bar 24 is stretched
Enter in cover plate 31, cover plate 31 is supported on well room post 23, sees Fig. 3.
The top of deck segment 3 is wellbore section 4, and wellbore section 4 is constituted and dredged for pipeline by shaft in wall 41 and pit shaft housing 42
The passage of logical and lower well servicing, the space that shaft in wall 41 and pit shaft housing 42 are enclosed, as setting pit shaft post 43.Shaft in wall
41 flat shapes are circle, and the flat shape of pit shaft housing 42 is square, and square circumscribed circle, the square length of side is equal to circle
Shape diameter, square four form the triangle that a hypotenuse is circular arc between angle and circle, be exactly shaft in wall 41 and well
The space that cylinder housing 42 is enclosed.The periphery of wellbore section 4, which is provided with pit shaft post 43, pit shaft post 43, is provided with pit shaft post reinforcing bar 44, pit shaft
4 flat sectional drawings of section are shown in Fig. 7, and the figure is that Fig. 1 D-D is cutd open, and dotted portion is following deck segment 3.Pit shaft post 43 is supported on cover plate
On 31, the anchoring lower ends of pit shaft post reinforcing bar 44 are in the concrete of cover plate 31, and cushion cap 51 is stretched into the upper end of wellbore section post reinforcing bar 44
It is interior, see Fig. 3.
Well head section 5 is a diameter and the identical annulus of shaft in wall 41, installed in the top of wellbore section 4, is held as pouring
The internal model of platform 51, well head 5 flat sectional drawings of section are shown in Fig. 8, and the figure is that Fig. 1 E-E is cutd open.Cushion cap 51 is located at one week of well head section 5, cushion cap
Cushion cap reinforcing bar 52 is provided with 51, cushion cap 51 uses concreting, and well lid 6 is arranged on cushion cap 51, sees Fig. 3.
Above is the embodiment of circular inspection well, rectangle and fan-shaped inspection shaft, at four angles of chute section 1 and well room section 2
Angle is tucked in setting, forms the space of triangle, as setting chute post 17 and well room post 23.If inspection shaft planar dimension is larger,
Bearing requirements only can not be met by four corner posts, column can be increased in centre by calculating.
Chute section 1, well room section 2, deck segment 3, wellbore section 4, well head section 5 are the component using plastic production, in factory's note
It is moulded into type.Chute section 1 is an independent component.Well room section 2 is fabricated to different height plurality of specifications, can be combined into different height
The well room of degree.The height of deck segment 3 is the thickness of cover plate 31, is calculated and determined by reinforced concrete structure.Chute section 1, well room
The inspection shaft size and dimension that section 2, deck segment 3 are determined according to the size of caliber, shape is divided into circle, rectangle, sector, inspection shaft
Size then according to pipe diameter size, there is support pipe free to access, whether turn etc. determines.Wellbore section 4 is fabricated to a variety of rule of different height
Lattice, to adapt to the combination of different height pit shaft, no matter what specification inspection shaft is, wellbore section 4 is used uniformly a kind of specification, with well
The cylinder internal diameter 700mm of inwall 41 is advisable.Well head section 5 is an individual member, and diameter, with shaft in wall 41, is an elongated circle
Pipe, can intercept according to height, highly be determined according to the thickness of cushion cap 51, general 200mm or so.
The construction of assembled plastics municipal drainage inspection shaft, using plastic member assembled in situ combined cast-in-situ concrete construction
Method, basis 7, chute section 1, well room section 2, deck segment 3, wellbore section 4, well head section 5, well lid 6, from bottom to top block assembly knot
Cast-in-place concrete construction is closed, construction method is as follows.
A. colligation chute post reinforcing bar 18, well room post reinforcing bar 24, cover plate reinforcing bar 34, pit shaft post reinforcing bar 44, cushion cap reinforcing bar are made
52, chute post reinforcing bar 18 and the making of well room post reinforcing bar 24 have two methods, and one kind is that chute post reinforcing bar 18 is reserved and well room post
The overlap of reinforcing bar 24, welding both during section construction；Another is that chute post reinforcing bar 18 and well room post reinforcing bar 24 are combined into one
Body, from basis 7 through to cover plate 31.
B. basis 7 is poured on the inspection shaft ground dug, the good chute post reinforcing bar 18 of colligation is embedded in the mixed of basis 7
In solidifying soil.
C. after basic 7 concrete final set, chute section 1 is mounted above, what chute inwall 11 and chute housing 12 were enclosed
Chute post reinforcing bar 18 is entangled in space, position and the elevation of adjustment inlet tube 13 and outlet 14, and chute section 1 is fixed, bottom with
Gap between basis 7 is sealed using mortar, is poured the concrete of chute post 17, is vibrated using vibrating head, and concrete flows into chute
15 and the bottom of workbench 16, the steam vent of the top surface of workbench 16, which excludes air, makes Concrete Filled closely knit, forms shaft bottom 19, and
The concrete of chute post 17 is combined into one.
D. after the concrete final set of chute post 17, well room section 2 is arranged on to the top of chute section 1, well chamber interior walls 21 and well room
Well room post reinforcing bar 24 is entangled in the space that housing 22 is enclosed, and fluid sealant is smeared in chute section 1 and the bell and spigot of well room 2 junctions of section,
Well room section 2 is inserted in the bellmouth of chute section 1, pours the concrete of well room post 23.
E. after the concrete final set of well room post 23, deck segment 3 is arranged on to the top of well room section 2, section 2 and deck segment in well room
The bell and spigot of 3 junctions is smeared in fluid sealant, the bellmouth of the insertion well of deck segment 3 room section 2, places cover plate reinforcing bar 34, and with stretching into
The colligation of well room post reinforcing bar 24 of cover plate 31 firmly, is installed pit shaft post reinforcing bar 44 and is embedded in cover plate 31, pour the concrete of cover plate 31.
F. after the concrete final set of cover plate 31, wellbore section 4 is arranged in the top of the well seat pipe pipeline joint 32 of deck segment 3, pit shaft
Pit shaft post reinforcing bar 44 is entangled in the space that wall 41 and pit shaft housing 42 are enclosed, the socket joint in wellbore section 4 Yu the junction of well seat pipe pipeline joint 32
Mouth is smeared in fluid sealant, the bellmouth of the well seat pipe pipeline joint 32 of the insertion deck segment 3 of wellbore section 4, pours pit shaft post 43.
G. the concrete of pit shaft post 43 is reached after intensity, is backfilled the earthwork in the periphery of inspection shaft and is rammed packing reality, is filled to pit shaft
During the top of section 4, well head section 5 is arranged on to the top of wellbore section 4, smeared in well head section 5 and the bell and spigot of the junction of wellbore section 4
Fluid sealant, well head section 5 is inserted in the bellmouth of wellbore section 4, places cushion cap reinforcing bar 52, and with stretching into the pit shaft post reinforcing bar in cushion cap 51
44 colligations firmly, pour the concrete of cushion cap 51.
H. after the concrete final set of cushion cap 51, well lid 6 is fixed in the above, the road surface around making inspection shaft.
Construction described by the present patent application file accompanying drawing is only the embodiment of a circular inspection well, either circular,
Rectangle, sector and other shapes, well body is done with plastic member, is all existed with the drainage inspection well that armored concrete does load-carrying members
The protection domain of the application.
Claims (8)
1. a kind of assembled plastics municipal drainage inspection shaft, mainly by chute section（1）, well room section（2）, deck segment（3）, wellbore section
（4）, well head section（5）, well lid（6）, basis（7）Composition, it is characterized in that：Described chute section（1）, well room section（2）, deck segment
（3）, wellbore section（4）, well head section（5）It is linked and packed, is constituted using Push-fit between the component of plastic production, component to use
The well body of inspection shaft, inspection shaft uses plastic member assembled in situ combined cast-in-situ concrete construction, is followed successively by from bottom to top：Basis
（7）, chute section（1）, well room section（2）, deck segment（3）, wellbore section（4）, well head section（5）, well lid（6）；Described chute section（1）
Periphery be provided with chute post（17）, chute post（17）It is interior to be provided with chute post reinforcing bar（18）, chute post reinforcing bar（18）Anchoring lower ends
On basis（7）Concrete in；Well room section（2）Periphery be provided with well room post（23）, well room post（23）It is interior to be provided with well room post reinforcing bar
（24）, chute post（17）With well room post（23）Identical plan-position is in, is communicated up and down, chute post reinforcing bar（18）With well room post
Reinforcing bar（24）Up and down through connection, well room post reinforcing bar（24）Upper end stretch into cover plate（31）Concrete in；Deck segment（3）Install
In well room section（2）Top, deck segment（3）Top be wellbore section（4）, wellbore section（4）Periphery be provided with pit shaft post（43）, well
Barrel mast（43）It is interior to be provided with pit shaft post reinforcing bar（44）, pit shaft post reinforcing bar（44）Anchoring lower ends in cover plate（31）Concrete in, well
Barrel mast reinforcing bar（44）Upper end stretch into cushion cap（51）It is interior, cushion cap（51）Positioned at well head section（5）One week, cushion cap（51）Interior be provided with is held
Platform reinforcing bar（52）, well lid（6）Installed in cushion cap（51）On, the waterproof well body that composition one is assembled by plastic member, reinforcing bar
Concrete mixes structure inspection well for the modeling of framework load-carrying members.
2. assembled plastics municipal drainage inspection shaft according to claim 1, it is characterized in that：Described chute section（1）By
Chute inwall（11）With chute housing（12）Constitute inspection shaft crosses water section, provided with inlet tube（13）And outlet（14）, enter
Mouth pipe（13）And outlet（14）Between be chute（15）, chute（15）Both sides be workbench（16）, chute inwall（11）With
Chute housing（12）The space enclosed, as setting chute post（17）, chute（15）And workbench（16）Bottom use coagulation
Soil filling shaft bottom（19）, shaft bottom（19）With chute post（17）Concrete be connected as a single entity.
3. assembled plastics municipal drainage inspection shaft according to claim 1, it is characterized in that：Described well room section（2）By
Well chamber interior walls（21）With frame outside well room（22）Constitute the operating space for checking well servicing, well chamber interior walls（21）With frame outside well room
（22）The space enclosed, as setting well room post（23）.
4. assembled plastics municipal drainage inspection shaft according to claim 1, it is characterized in that：Described deck segment（3）By
Well seat pipe pipeline joint（32）With cover plate housing（33）Composition pours cover plate（31）Template, deck segment（3）It is interior to be provided with cover plate reinforcing bar（34）,
Cover plate（31）Using concreting, well room post reinforcing bar（24）Stretch into cover plate（31）It is interior, cover plate（31）It is supported on well room post（23）
On.
5. assembled plastics municipal drainage inspection shaft according to claim 1, it is characterized in that：Described wellbore section（4）By
Shaft in wall（41）With pit shaft housing（42）Constitute the passage for pipe-dredging and lower well servicing, shaft in wall（41）And pit shaft
Housing（42）The space enclosed, as setting pit shaft post（43）, pit shaft post（43）It is supported on cover plate（31）On.
6. assembled plastics municipal drainage inspection shaft according to claim 1, it is characterized in that：Described well head section（5）For
One diameter and shaft in wall（41）Identical annulus, installed in wellbore section（4）Top, as pouring cushion cap（51）Internal model,
Cushion cap（51）Using concreting.
7. assembled plastics municipal drainage inspection shaft according to claim 1, it is characterized in that：Described chute section（1）, well
Room section（2）, deck segment（3）, wellbore section（4）, well head section（5）It is interior to be provided with cat ladder（8）, cat ladder（8）Reinforcing bar outsourcing plastics are inside set, respectively
The position that section is set is unanimous between the higher and lower levels, cat ladder（8）Bar Anchorage in the concrete of correspondent section column.
8. the construction method of assembled plastics municipal drainage inspection shaft, it is characterized in that：Described basis（7）, chute section（1）, well
Room section（2）, deck segment（3）, wellbore section（4）, well head section（5）, well lid（6）, block assembly combined cast-in-situ concrete from bottom to top
Construction, construction method is as follows：
A. colligation chute post reinforcing bar is made（18）, well room post reinforcing bar（24）, cover plate reinforcing bar（34）, pit shaft post reinforcing bar（44）, cushion cap
Reinforcing bar（52）, chute post reinforcing bar（18）With well room post reinforcing bar（24）Making has two methods, and one kind is chute post reinforcing bar（18）In advance
Reserve and well room post reinforcing bar（24）Overlap, welding both during section construction, another is chute post reinforcing bar（18）And well
Room post reinforcing bar（24）It is integrated, from basis（7）Through to cover plate（31）；
B. basis is poured on the inspection shaft ground dug（7）, by the good chute post reinforcing bar of colligation（18）It is embedded in basis（7）'s
In concrete；
C. it is basic（7）After concrete final set, by chute section（1）It is mounted above, chute inwall（11）With chute housing（12）Enclose
Entangle chute post reinforcing bar in the space of conjunction（18）, adjust inlet tube（13）And outlet（14）Position and elevation, by chute section（1）
It is fixed, bottom and basis（7）Between gap using mortar seal, pour chute post（17）Concrete, is vibrated using vibrating head,
Concrete flows into chute（15）And workbench（16）Bottom, workbench（16）The steam vent of top surface, which excludes air, fills out concrete
Fill closely knit, form shaft bottom（19）, and chute post（17）Concrete be combined into one；
D. chute post（17）After concrete final set, by well room section（2）Installed in chute section（1）Top, well chamber interior walls（21）With
Frame outside well room（22）Entangle well room post reinforcing bar in the space enclosed（24）, in chute section（1）With well room section（2）The bell and spigot of junction
Smear fluid sealant, well room section（2）Insert chute section（1）Bellmouth in, pour well room post（23）Concrete；
E. well room post（23）After concrete final set, by deck segment（3）Installed in well room section（2）Top, well room section（2）With lid
Plate section（3）The bell and spigot of junction smears fluid sealant, deck segment（3）Insert well room section（2）Bellmouth in, place cover plate reinforcing bar
（34）, and with stretching into cover plate（31）Well room post reinforcing bar（24）Colligation firmly, installs pit shaft post reinforcing bar（44）It is embedded in cover plate
（31）It is interior, pour cover plate（31）Concrete；
F. cover plate（31）After concrete final set, by wellbore section（4）Installed in deck segment（3）Well seat pipe pipeline joint（32）Top, well
Cylinder inwall（41）With pit shaft housing（42）Entangle pit shaft post reinforcing bar in the space enclosed（44）, in wellbore section（4）With well seat pipe pipeline joint
（32）The bell and spigot of junction smears fluid sealant, wellbore section（4）Insert deck segment（3）Well seat pipe pipeline joint（32）Bellmouth in, pour
Build pit shaft post（43）；
G. pit shaft post（43）Concrete is reached after intensity, is backfilled the earthwork in the periphery of inspection shaft and is rammed packing reality, is filled to wellbore section
（4）Top when, by well head section（5）Installed in wellbore section（4）Top, well head section（5）With wellbore section（4）Junction is held
Socket smears fluid sealant, well head section（5）Insert wellbore section（4）Bellmouth in, place cushion cap reinforcing bar（52）, and with stretching into cushion cap
（51）Interior pit shaft post reinforcing bar（44）Colligation firmly, pours cushion cap（51）Concrete；
H. cushion cap（51）After concrete final set, by well lid（6）It is fixed in the above, the road surface around making inspection shaft.
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| CN201710259929.XA CN107023061B (en) | 2017-04-20 | 2017-04-20 | Assembled plastic municipal drainage inspection well and construction method |
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| CN201710259929.XA CN107023061B (en) | 2017-04-20 | 2017-04-20 | Assembled plastic municipal drainage inspection well and construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222223A (en) * | 2017-11-20 | 2018-06-29 | 杭州市市政工程集团有限公司 | A kind of inspection shaft and method for cutting over for having pressure sewage conduct cutover for Large Diameter Pipeline |
| CN109334018A (en) * | 2018-10-12 | 2019-02-15 | 安徽郎川金鹏塑业有限公司 | A kind of preparation method for the injection molding inspection shaft facilitating entrance |
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| CN109334018A (en) * | 2018-10-12 | 2019-02-15 | 安徽郎川金鹏塑业有限公司 | A kind of preparation method for the injection molding inspection shaft facilitating entrance |
| CN109334018B (en) * | 2018-10-12 | 2021-06-18 | 安徽郎川金鹏塑业有限公司 | Preparation method of injection molding inspection well convenient to enter |
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|---|---|
| CN107023061B (en) | 2020-01-21 |
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