CN107956246A - A kind of large-scale inspection shaft segmentation prefabricating construction method of installation - Google Patents
A kind of large-scale inspection shaft segmentation prefabricating construction method of installation Download PDFInfo
- Publication number
- CN107956246A CN107956246A CN201711093166.2A CN201711093166A CN107956246A CN 107956246 A CN107956246 A CN 107956246A CN 201711093166 A CN201711093166 A CN 201711093166A CN 107956246 A CN107956246 A CN 107956246A
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- Prior art keywords
- inspection shaft
- installation
- construction
- well room
- mounting hole
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Classifications
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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
-
- 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
- E03F5/021—Connection of sewer pipes to manhole shaft
-
- 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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
A kind of large-scale inspection shaft segmentation prefabricating construction method of installation, this method comprise the following steps：Step 1：The section of inspection shaft point three is prefabricated；Step 2：First preserved pipeline mounting hole and the second preserved pipeline mounting hole form preserved pipeline installing port；Step 3：By design requirement on the basis of handling well construction cushion coat concrete；Step 4：Merogenesis lifts inspection shaft；Step 5：Pipeline is poured using microdilatancy pea gravel concreten formation filled layer and reserves gap between installing port and peripheral conduits, that is, completes the installation of large-scale inspection shaft.The technical problems to be solved by the invention are to provide a kind of large-scale inspection shaft segmentation prefabricating construction method of installation, it can realize that process is simplified, manually and equipment investment is few, rapid construction, quality controllable, suitable for most of construction environment, reduce difficulty of construction and security risk, and subsequent construction is disturbed small, quality is easily controllable, effect is higher, and construction cost is relatively low.
Description
Technical field
The present invention relates to city planting ductwork construction field, especially a kind of large-scale inspection shaft segmentation prefabricating construction method of installation.
Background technology
During Municipal Engineering Construction, various supply and discharge grids are essential, especially face city in recent years
The serious problem of city's waterlogging, country adjust Storm Sewer Network design standard, improve heavy rain and calculate design grade, municipal administration
The construction of engineering large-scale pipeline gradually increases.Pipe network inspection well construction is frequently with masonry, normal concrete is cast-in-place, integrated precast well
Deng, but be directed to large-scale inspection shaft, especially more than drainage pipeline diameter 1000mm, even more than 2000mm when, according to these
Construction method, there are working procedure is more, greatly, manually input is more, quality control is difficult, time duration is long, working face is wanted for resource input
The problems such as high is asked, especially because time duration is grown, deep basal pit, rich groundwater etc. is not suitable for larger security risk and speedily carries out rescue work
Engineering etc..It is excessive that integrated precast well equally exists prefabricated component body, transport difficult, the problems such as stable structure effect is poor.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of large-scale inspection shaft segmentation prefabricating construction method of installation, can be with
Realize that process is simplified, manually and equipment investment is few, rapid construction, quality controllable, suitable for most of construction environment, reduces and constructs
Difficulty and security risk, and it is small to subsequent construction interference, quality is easily controllable, effect is higher, and construction cost is relatively low.
In order to solve the above technical problems, the technical solution adopted in the present invention is：A kind of large-scale inspection shaft segmentation prefabricating peace
Construction method is filled, this method comprises the following steps：
Step 1：The section of inspection shaft point three is prefabricated：Lower well room, upper well room and cover board with bottom plate, the lower well room with bottom plate and upper well room
Cut-off rule be connection maximum gauge pipeline center of circle horizontal line；
Step 2：The first preserved pipeline mounting hole is opened up respectively on the locular wall of the lower well room with bottom plate on demand, in upper well room
Opened up respectively on locular wall and the matched second preserved pipeline mounting hole of the first preserved pipeline mounting hole, the installation of the first preserved pipeline
Hole and the second preserved pipeline mounting hole form preserved pipeline installing port；
Step 3：By design requirement on the basis of handling well construction cushion coat concrete；
Step 4：Merogenesis lifts inspection shaft：The lower well room of hanging belt bottom plate first is on blinding concrete, then in preserved pipeline
Peripheral conduits, the slurry construction of waterproof mortar seat are installed on installing port, then lift well room, all contacts site are antiskid enterprise
Mouthful, then the waterproof mortar seat slurry construction of upper and lower merogenesis is carried out, finally lift top blind flange；
Step 5：Pipeline is poured using microdilatancy pea gravel concreten formation filled layer and reserves gap between installing port and peripheral conduits,
Complete the installation of large-scale inspection shaft.
Cover board antiskid tongue and groove is provided with cover board.
Cat ladder is both provided with lower well room and upper well room with bottom plate.
In step 3, using manually vibrating, smoothing out, measurement pipeline mounting axis, prefabricated well corner control blinding concrete
Point, and mark is carried out, easy to control installation quality.
In step 5, concrete feed inlet is used as by closing device and completes to pour, closing device is to be made of plank sheathing
The section formed is the template of " L " type.
A kind of large-scale inspection shaft segmentation prefabricating construction method of installation provided by the invention, has the beneficial effect that：
1st, well construction is checked using precast concrete, compares masonry, cast-in-place concrete structure, construction technology is simplified, resource input
Few, the quality control of batch production concentration pre-casting is good, is suitable for all kinds of construction environments.
2nd, well construction is checked using segmentation prefabricating, is more convenient to construct than integrated precast, especially large-scale inspection well construction,
Single-piece size is suitable, and beneficial to vehicle transport and lifting, while prefabricated difficulty reduces.
3rd, truck crane can be used to carry out merogenesis installation, handled between structure using waterproof mortar seat slurry, between pipeline and inspection shaft
Gap is poured closely knit using slightly expanded concrete, and each prefabricated component contact seam accomplishes preferable encapsulation process, it is ensured that runtime quality.
4th, using segmentation prefabricating inspection shaft method, inspection shaft construction efficiency is greatly improved, especially large-scale inspection shaft, keeps away
A large amount of manually input, high-formwork constructions are exempted from, the deep basal pit activity duration is reduced.Simultaneously for coastal region environment, can use anti-
Rotten concrete carries out prefabricated, reduction external corrosion proof technology and underground water drop row's time.Inspection shaft is after installation is complete, you can carries out pipeline
Overwrite job, reduces process interval time, accelerates pipe network integral construction speed.
5th, set between merogenesis using tongue and groove, can effectively reduce influence of lateral pressure, avoid relative displacement between structure.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the structure diagram of the large-scale inspection shaft of the present invention；
Fig. 2 is the sectional view along A-A of Fig. 1 of the present invention；
Fig. 3 is the structure diagram of the lower well room with bottom plate of the large-scale inspection shaft of the present invention；
Fig. 4 is the structure diagram of the upper well room of the large-scale inspection shaft of the present invention；
Fig. 5 is the structure diagram of the cover board of the large-scale inspection shaft of the present invention；
Fig. 6 is the large-scale inspection shaft merogenesis mounting process figure of the present invention；
Fig. 7 is to carry out pipeline and the schematic diagram of inspection shaft gap seals processing using locking device in step 5 of the present invention；
Fig. 8 is to carry out pipeline and the side view of inspection shaft gap seals processing using locking device in step 5 of the present invention.
Embodiment
Embodiment one
As Figure 1-Figure 8, a kind of large-scale inspection shaft segmentation prefabricating construction method of installation, this method comprise the following steps：
Step 1：Inspection shaft 10 divides three sections prefabricated, as shown in Figure 1：Using inspection shaft connection maximum caliber center of circle central horizontal line as
Boundary, well room is divided, and lower part is the lower well room 1 with bottom plate, top is upper well room 2, top is cover board 3, and often section connects
Meet place and use antiskid tongue and groove 8,8 structural thickness of tongue and groove is 1/2 wall thickness, and length is 10cm~15cm.This merogenesis method can equally incite somebody to action
Upper well room 2 is depending on construction and prefabricated needs to carry out merogenesis again.
Step 2：Open up the installation of the first preserved pipeline respectively on the locular wall of the lower well room of the lower well room 1 with bottom plate on demand
Hole 7, opens up and 7 matched second preserved pipeline mounting hole of the first preserved pipeline mounting hole respectively on the locular wall of upper well room 2
13, the first preserved pipeline mounting hole 7 and the second preserved pipeline mounting hole 13 form preserved pipeline installing port 4；Going into the well with bottom plate
Cat ladder 5 is both provided with room 1 and upper well room 2；
Specifically as shown in Figure 3, Figure 4, four wall of inspection well chamber can be reserved installing port 4,4 size of reserved opening by pipeline configuration in this example
Expand 15~20cm by outer diameter tube to set, and adjustable prefab-form is to meet to lead directly to, threeway, four-way and with angle pipeline
Installation requirements, inspection shaft two sides trough headroom should be greater than more than reserved opening 30cm.Cat ladder 5 uses fiberglass finished parts,
Later stage bar planting is buried.
Step 3：By design requirement on the basis of handling well construction cushion coat concrete 6, poured using C15 normal concretes
Bed course 6, it is therefore an objective to solve the problems, such as basic out-of-flatness, reduce works differential settlement, avoid causing quality problems.Bed course mixes
6 scopes of solidifying soil expand 10cm compared with inspection shaft bottom plate and set, and after artificial vibration compacting and floating, mark is measured on surface, is drawn
Go out conduit axis, in order to which the lower well room 1 with bottom plate is installed.
Step 4：Merogenesis lifts inspection shaft 10：Using equipment such as truck cranes, prefabricated component is lifted,
The first step:The lower well room 1 of first hanging belt bottom plate, notices that 4 structure of preserved pipeline installing port need to be with pipe nearby in installation process
Road is corresponding, and installation is in place and using total station survey installation flatness and locations of structures, it is desirable to which installation error is not greater than
30mm；
Second step：Peripheral conduits 9 are lifted, for ease of installation, flat mouth pipe is used with 1 connecting pipe of well room under inspection shaft（Generally
Bell-and-spigot pipe）, pipeline location and elevation need to meet code requirement；
3rd step：Well room 2 in lifting, are manually adjusted.Notice that preserved pipeline installing port 4 is right with lower well room 1 in installation process
Should, use waterproof mortar between upper and lower merogenesis, seat slurry construction, mortar thickness 10mm, it is desirable to mortar lay it is uniform, with mix with.If
Put full-time signal command work to be commanded, site operation information passed into hoistman, upper 2 installation process of well room need it is slow,
Uniform descent, after reaching antiskid tongue and groove 8, pause is fallen and manually fine setting prefabricated component is in place, it is ensured that well room 1 is steady under the influence of being unlikely to
Fixed, after being directed at position, then slowly at the uniform velocity up to upper well room 2, installation is complete for whereabouts；
4th step：Cover board 3 is lifted, construction technology is the same as the 3rd step；
After being fully completed installation, the unnecessary excessive mortar of manual cleaning seam crossing, and carry out and smear seam.
Step 5：Pipeline is poured using microdilatancy pea gravel concreten formation filled layer 11 and reserves installing port 4 and peripheral conduits 9
Between gap,
Pipeline is carried out using microdilatancy pea gravel concreten of the coarse aggregate size no more than 10mm and reserves installing port 4 and peripheral conduits 9
Between structural void, concrete strength is not less than C30.Piece is carried out using plank sheathing, sealing tie rod is reinforced, while uses steel
Pipe carries out exterior purlin support.To ensure that structural top backfill is closely knit, an expansion coagulation earthen platform is set at the top of peripheral conduits 9, is adopted
Closing device 12 is made as concrete feed inlet by the use of plank sheathing, and closing device 12 is risen in the top of preserved pipeline installing port 4
10cm, 12 thickness 10cm of closing device, width 40cm, can be fully by apex cavity in microdilatancy pea gravel concreten casting process
Go out to pour closely knit, pour and finish, herein concrete backfill region for pipeline can be without extra process；
Complete the installation of large-scale inspection shaft.
Cover board antiskid tongue and groove 14 is provided with cover board 3.
In step 3, using manually vibrating, smoothing out, measurement pipeline mounting axis, prefabricated well corner control blinding concrete 6
Point, and mark is carried out, easy to control installation quality.
In step 5, concrete feed inlet is used as by closing device 12 and completes to pour, closing device 12 is using plank sheathing
The section being made is the template of " L " type.
Claims (5)
1. a kind of large-scale inspection shaft segmentation prefabricating construction method of installation, it is characterised in that this method comprises the following steps：
Step 1：Inspection shaft（10）Divide three sections prefabricated：Lower well room with bottom plate（1）, upper well room（2）And cover board（3）, with bottom plate
Lower well room（1）With upper well room（2）Cut-off rule be connection maximum gauge pipeline center of circle horizontal line；
Step 2：On demand in the lower well room with bottom plate（1）Locular wall on open up the first preserved pipeline mounting hole respectively（7）, upper
Well room（2）Locular wall on open up respectively and the first preserved pipeline mounting hole（7）Matched second preserved pipeline mounting hole（13）,
First preserved pipeline mounting hole（7）With the second preserved pipeline mounting hole（13）Form preserved pipeline installing port（4）；
Step 3：By design requirement on the basis of handling well construction cushion coat concrete（6）；
Step 4：Merogenesis lifts inspection shaft（10）：The lower well room of hanging belt bottom plate first（1）In blinding concrete（6）On, then
In preserved pipeline installing port（4）Upper installation peripheral conduits（9）, the slurry construction of waterproof mortar seat, then lift well room（2）, it is all
Contact site is antiskid tongue and groove（8）, then the waterproof mortar seat slurry construction of upper and lower merogenesis is carried out, finally lift top blind flange（3）；
Step 5：Filled layer is formed using microdilatancy pea gravel concreten（11）Pour pipeline and reserve installing port（4）With peripheral conduits
（9）Between gap,
Complete the installation of large-scale inspection shaft.
A kind of 2. large-scale inspection shaft segmentation prefabricating construction method of installation according to claim 1, it is characterised in that：Cover board
（3）On be provided with cover board antiskid tongue and groove（14）.
A kind of 3. large-scale inspection shaft segmentation prefabricating construction method of installation according to claim 1, it is characterised in that：Band bottom plate
Lower well room（1）With upper well room（2）On be both provided with cat ladder（5）.
A kind of 4. large-scale inspection shaft segmentation prefabricating construction method of installation according to claim 1, it is characterised in that：Step 3
In, blinding concrete（6）Using manually vibrating, smoothing out, pipeline mounting axis, prefabricated well corner control point are measured, and carry out mark
Know, easy to control installation quality.
A kind of 5. large-scale inspection shaft segmentation prefabricating construction method of installation according to claim 1, it is characterised in that：Step 5
In, pass through closing device（12）Complete to pour as concrete feed inlet, closing device（12）To be made using plank sheathing
Section be " L " type template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711093166.2A CN107956246A (en) | 2017-11-08 | 2017-11-08 | A kind of large-scale inspection shaft segmentation prefabricating construction method of installation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711093166.2A CN107956246A (en) | 2017-11-08 | 2017-11-08 | A kind of large-scale inspection shaft segmentation prefabricating construction method of installation |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842822A (en) * | 2018-07-25 | 2018-11-20 | 安徽建川市政工程有限公司 | A kind of combined inspection shaft prefabricated component |
| CN109989470A (en) * | 2019-04-25 | 2019-07-09 | 中国十七冶集团有限公司 | The encapsulating method that precast concrete well is connect with steel band bellows |
| CN110820900A (en) * | 2019-11-20 | 2020-02-21 | 张汀仁 | Prefabricated sewage inspection shaft of concrete easy to assemble connects |
| WO2020248264A1 (en) * | 2019-06-14 | 2020-12-17 | 胡永生 | Fabricated-type building drainage pipe shaft |
| CN112431292A (en) * | 2020-11-28 | 2021-03-02 | 中实翊(福建)建设工程有限公司 | Municipal road drainage structure and construction method |
| CN112627309A (en) * | 2020-12-21 | 2021-04-09 | 福建鑫远建工有限公司 | Assembly type inspection well chamber structure and construction method thereof |
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| CN202925566U (en) * | 2012-12-14 | 2013-05-08 | 吉林省天祥建筑材料有限公司 | A prefabricated assembly-type reinforced concrete inspection well chamber |
| CN203188238U (en) * | 2013-03-26 | 2013-09-11 | 浙江港升控股集团有限公司 | Assembled type prefabricated reinforced concrete combined inspection well |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842822A (en) * | 2018-07-25 | 2018-11-20 | 安徽建川市政工程有限公司 | A kind of combined inspection shaft prefabricated component |
| CN109989470A (en) * | 2019-04-25 | 2019-07-09 | 中国十七冶集团有限公司 | The encapsulating method that precast concrete well is connect with steel band bellows |
| WO2020248264A1 (en) * | 2019-06-14 | 2020-12-17 | 胡永生 | Fabricated-type building drainage pipe shaft |
| CN110820900A (en) * | 2019-11-20 | 2020-02-21 | 张汀仁 | Prefabricated sewage inspection shaft of concrete easy to assemble connects |
| CN112431292A (en) * | 2020-11-28 | 2021-03-02 | 中实翊(福建)建设工程有限公司 | Municipal road drainage structure and construction method |
| CN112431292B (en) * | 2020-11-28 | 2022-03-22 | 中实翊(福建)建设工程有限公司 | Municipal road drainage structure and construction method |
| CN112627309A (en) * | 2020-12-21 | 2021-04-09 | 福建鑫远建工有限公司 | Assembly type inspection well chamber structure and construction method thereof |
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Application publication date: 20180424 |
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