CN104294846B - A kind of underground pipe network inspection shaft concrete segment Quick well sinking method - Google Patents
A kind of underground pipe network inspection shaft concrete segment Quick well sinking method Download PDFInfo
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- CN104294846B CN104294846B CN201310295629.9A CN201310295629A CN104294846B CN 104294846 B CN104294846 B CN 104294846B CN 201310295629 A CN201310295629 A CN 201310295629A CN 104294846 B CN104294846 B CN 104294846B
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- concrete
- inspection shaft
- segment
- well
- mouth
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/08—Lowering or sinking caissons
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of Quick well sinking method of underground pipe network inspection shaft concrete segment, concrete segment includes on concrete segment, concrete bottom holder assembly in neck barrier part, concrete.The step of assembly Quick well sinking method includes: excavates fetch earth also open caisson assembly, concrete segment inspection shaft and couples with pipeline.The present invention conducts a survey making the prefabricated concrete assembly in place well, uses and fetches earth while assembles open caisson, fetches earth and fetch earth in well, reduces ground disturbance, it is not necessary to going along with sb. to guard him of steel sheet pile or timber, speed of application is fast, operating efficiency height, low cost.
Description
Technical field
The present invention relates to underground pipe network inspection shaft, especially belonging to fetches earth quickly to sink by excavation fills concrete segment structure
The method of the underground pipe network inspection shaft built.
Background technology
Along with the development of urban construction, construction and the transformation task of underground pipe network are the heaviest.City is newly-built
Or underground pipe network inspection shaft three kinds of construction methods of existing usual employing of transformation: whole caisson construction method, ground are opened
Dig casting concrete well construction method and brick well method is excavated on ground.
Whole caisson construction method: be at ground casting concrete well, typically needs 28 day curing period concrete just to reach
To intensity, then put and can excavate ground, implement open caisson.If the open caisson degree of depth is more than 5 meters, then it is also performed to secondary
Open caisson, the well poured on ground to lengthen, and the concrete curing time is further added by a cycle.When open caisson is to design
During absolute altitude, smooth shaft bottom, laying metalling, casting concrete base plate.Owing to the method is that open caisson is executed at the scene
Work, its shortcoming is long construction period, and work efficiency is low, and execution conditions are poor, and site operation also wants placing of material district.Inspection
Look into well easily to leak, perishable.
Ground excavation casting concrete well construction method: determine inspection shaft orientation according to design, deep according to inspection shaft
Degree implements going along with sb. to guard him of steel sheet pile or timber, the designed elevation on excavation ground to inspection shaft, the most smooth shaft bottom, paving
If metalling, casting concrete base plate.Use concreting inspection shaft again, typically need 28 day curing period rear
Pipeline construction can be carried out, finally remove fender post, make earthing construction.The method shortcoming is not only to build to take, tear open
Pull out fender post, also want large area excavation ground and earthing construction, excavate and backfill earth moving amount big, and coagulation
It is long that soil pours well curing time, time-consuming, and cost is high.Underground construction condition is poor, and work efficiency is low.Construction quality
Being difficult to ensure that, inspection shaft leakage is serious.
Brick well method is excavated on ground: the method is substantially similar with ground excavation casting concrete well construction method, and institute is not
With the former use concreting inspection shaft, the latter is with brick well body, carry out water at the surfaces externally and internally of brick well body
Cement mortar bisque.Pipeline construction can be carried out after brick well reaches intensity, finally remove fender post, make earthing
Construction.Similar shortcoming is there is in the method with ground excavation casting concrete well method.
Summary of the invention
The deficiency existed for prior art, the technical problem to be solved in the present invention is to provide a kind of underground pipe network inspection
Looking into well concrete segment Quick well sinking method, it can shorten on-site construction time, be effectively improved operating efficiency,
Energy leakproof anticorrosion, improves the quality of inspection shaft.
For solving above-mentioned technical problem, a kind of underground pipe network inspection shaft concrete segment Quick well sinking side of the present invention
Method, its described underground pipe network inspection shaft concrete segment include on concrete segment in neck barrier part, concrete,
Concrete bottom holder assembly, concrete bottom holder assembly includes base element, base liner.
In described concrete, the shape of segment is cast, and its upper end collar is provided with to be carved on mouth, lower end collar
Being provided with down and carve mouth, upper and lower mouth of carving is provided with seal groove.
On described concrete, the shape of neck cylinder is bottle-neck type, collar size and concrete stage casing inside and outside its lower end
Inside and outside part, collar is corresponding, and lower end collar is provided with down to be carved mouth and carves mouth in middle segment and match, under carve and set on mouth
There is seal groove with to carve mouthful seal groove in middle segment corresponding.
The shape of described concrete bottom holder assembly is cartridge type, including concrete bottom seat piece, base liner, coagulation
The shape of soil base element is cast, and inside and outside its upper end, collar size is corresponding with segment internal-and external diameter circle in concrete,
Upper end collar be provided with carve mouth with carve mouth under segment in concrete and match, on carve mouth be provided with seal groove with in
Carving mouthful seal groove under segment corresponding, the bottom of base element is provided with conduit through bore, lower end is provided with cutting shoe；In base
The shape of lining is cartridge type, and its bottom base panel is integral with cylinder, and top is provided with the through hole corresponding with base element,
Base liner is connected with concrete bottom seat piece.
On described concrete, in neck cylinder, concrete, the outer layer of segment is concrete, and liner is corrosion resistant layer, interior
Lining pours integral with outer layer, and the material of liner is anticorrosion fiberglass or plastics.
Described upper and lower mouth-shaped of carving is spigot-and-socket or F type.
Underground pipe network inspection shaft concrete segment Quick well sinking method comprises the following steps that
Step 1, determine the orientation of inspection shaft
Use theodolite to measure the orientation of inspection shaft, concrete segment is transported to well location；
Step 2, excavation fetch earth and open caisson concrete segment
2,1 sinking concrete segment assembles inspection shaft, by place for the base element of base assembly in concrete segment,
Excavation fetches earth, and base element starts isostatic settling, if sinking lateral deviation, answers ballast or correction of cutting the earth；
2,2 when the upper end of concrete bottom seat piece sinks down into ground level position, by segment in concrete and base
Part is carved mouth and is inserted connection mutually, and two carve dress sealing ring, the sealing between assembly between mouth, then proceed to excavation and fetch earth,
Sinking concrete segment；
2,3 absolute altitude constantly measuring open caisson in concrete segment sinking watching, when the end of concrete bottom seat piece
When position, face reaches to set absolute altitude, excavation should be stopped and fetching earth；
At the bottom of step 3, adjustment absolute altitude after-pouring concrete well
3,1 by shaft bottom Pass line adjustment to designed elevation, re-lay metalling and tamp, metalling pours
Plain concrete layer；
3, after 2 plain concrete layers reach intensity, assembling reinforcement casting concrete base plate on plain concrete layer；
Step 4, inspection shaft couple with pipeline
4,1 between two inspection shafts equipped with pipeline, the end of pipeline stretches in the through hole of concrete bottom seat piece；
4,2 being placed on concrete floor by base liner, the through hole of base liner is corresponding with base element through hole；
4,3 then it is filled with, by solid with concrete bottom seat piece connection for base liner integral；
4,4 leak-proof sealing pads are placed on through hole, and gland is placed on leak-proof sealing pad, it is ensured that through hole is close with pipeline
Envelope；
The assembling of neck barrier part on step 5, concrete
The lower end of upper neck barrier part being carved the upper end of mouth and middle segment carve mouth and insert mutually, two-phase is inserted to carve and is installed sealing on mouth
Circle, then well lid is placed on neck nozzle, constitute a leakproof corrosion-resistant inspection shaft.
Described step 2, in 1, excavation fetches earth employing grapple or manually fetch earth.
The present invention compared with prior art, its advantage and providing the benefit that:
1, use by making place precast inspection well assembly, it is not necessary to casting concrete or brick build at the construction field (site)
Well, is greatly shortened on-site construction time, reduces construction site；
2, inspection shaft uses assembly type open caisson method, each assembly is shaped with and carves mouth and insert mutually by carving mouth；Limit
Fetch earth limit open caisson, and beyond open caisson, ground is not excavated, and fetches earth and fetches earth in well, reduces ground disturbance, reduces week
Wing base and the impact of building；Without going along with sb. to guard him of steel sheet pile or timber, speed of application is fast, and operating efficiency is high,
Saving of work and time, reduces cost；
3, open caisson liner (interior mould) leakproof anticorrosion, improves inspection shaft Corrosion Protection；Assembly is inserted mutually and is carved between mouth
Sealing ring improve the watertightness of inspection shaft, beneficially environmental protection.
Accompanying drawing explanation
Below with reference to drawings and Examples, the invention will be further described.
Fig. 1 is the underground pipe network inspection shaft schematic diagram that present invention concrete segment builds；
Fig. 2 is that concrete bottom seat piece is in place to excavation ground schematic diagram；
Fig. 3 is that open caisson puts in place and is placed in schematic diagram on concrete floor.
In figure: concrete floor 1, base element 2, sealing gasket 3, pipeline 4, gland 5, middle segment 6,
Carve under upper neck barrier part 7, assembly liner 8, well lid 9, assembly and on mouth 10, assembly, carve mouth 11, seal
Circle 12, base element through hole 13, plain concrete layer 14, base element cutting shoe 15, metalling 16, base
Liner 17.
Detailed description of the invention
As it is shown in figure 1, be the concrete segment inspection shaft schematic diagram of Quick well sinking method of the present invention, concrete
Component inspection well includes: base element 2, base liner 17, middle segment 6, upper neck barrier part 7, assembly liner 8,
Well lid 9, under carve mouth 10, on carve mouth 11, sealing ring 12.
Underground pipe network concrete segment inspection shaft of the present invention uses the method for open caisson, and its method comprises the steps:
One, the orientation of inspection shaft is determined
As in figure 2 it is shown, be that concrete bottom seat piece is in place to excavation ground schematic diagram, measure inspection shaft with theodolite
The position arranged, then by place for concrete bottom seat piece 2 to the position arranged, in order to excavation ground.Under base element
End cutting shoe 15 is for the sinking of base element 2.
Two, excavation fetches earth and open caisson assembly
As it is shown on figure 3, be that open caisson puts in place and is placed in schematic diagram on concrete floor, build inspection with sinking assembly
Looking into well, after base element 2 is placed in excavation ground, starts excavation and fetch earth, excavation fetches earth with grapple or manually fetches earth.
Cutting shoe band base element 2 isostatic settling of base element, if unbalanced sinking, then to rectify a deviation, can be at base element 2
High side upper end ballast or fetch earth in lower end more.So fetching earth while open caisson, beyond open caisson, ground is not excavated,
Fetch earth and fetch earth in well, reduce ground disturbance, reduce roadbed and the impact of building.Without steel sheet pile or wood
Going along with sb. to guard him of stake, speed of application is fast, and operating efficiency is high.When the upper end of base element 2 sinks down into ground level position,
Middle segment 6 is placed on the upper end of base element 2, base element 2 is carved mouth 11 and carves mouth 10 6 times with middle segment
Insert mutually, couple and between the seal groove carving mouth, fill sealing ring 12, for the sealing of open caisson, prevent leakage.Then
Continue excavation to fetch earth, sinking assembly.
The absolute altitude of open caisson is constantly measured, when the bottom surface distance of base element 2 sets mark during the open caisson of assembly
During high position, excavation should be stopped and fetching earth.
Three, adjust at the bottom of absolute altitude after-pouring concrete well
By shaft bottom Pass line adjustment to designed elevation, lay metalling 16 subsequently and tamp, metalling 16 waters
Building plain concrete layer 14, treat that plain concrete layer 14 reaches intensity, on plain concrete layer 14, assembling reinforcement is also
Casting concrete base plate 1 (Fig. 3).
Four, inspection shaft couples with pipeline (push pipe or pipe laying)
After concrete floor 1 reaches intensity, pipe laying 4 (push pipe or pipe laying) between two inspection shafts,
The end of pipeline 4 is stretched in the through hole 13 of base element 2.Refill base liner 17 in concrete floor 1
On, the through hole 13 of base liner 17 is corresponding with the through hole 13 of base element 2.It is subsequently filled cement mortar the end of by
Seat liner 17 is solid with concrete bottom seat piece 2 integral.Through hole 13 is installed leak-proof sealing pad 3, seals
Installing gland 5 on pad 3, gland 5 is connected with base element 2 by bolt.Guarantee through hole 13 and pipeline 4
Seal, in case stopping leak leakage (Fig. 3).
Five, the assembling of upper neck barrier part
As it is shown in figure 1, the upper end that the lower end of upper neck cylinder 7 is carved mouth 10 and middle segment 6 is carved mouth 11 phase and is inserted, two
Insert mutually and carve installation sealing ring 12 on the seal groove of mouth, be used for sealing.Then well lid 9 is placed on upper neck barrier part 7
Neck nozzle on, constitute a leakproof corrosion-resistant inspection shaft.
Claims (2)
1. a underground pipe network inspection shaft concrete segment Quick well sinking method, described underground pipe network inspection shaft
Concrete segment includes on concrete segment, concrete bottom holder assembly, concrete bed in neck barrier part, concrete
Assembly includes base element, base liner, it is characterised in that: the step of method includes:
Step 1, determine the orientation of inspection shaft
Use theodolite to measure the orientation of inspection shaft, concrete segment is transported to well location；
Step 2, excavation fetch earth and open caisson concrete segment
2,1 sinking concrete segment assembles inspection shaft, and by place for concrete bottom seat piece, excavation fetches earth, base
Part starts isostatic settling；
2,2 when the upper end of concrete bottom seat piece sinks down into ground level position, by segment in concrete and base
Part is carved mouth and is inserted connection mutually, and two carve dress sealing ring between mouth, then proceed to excavation and fetch earth, sinking assembly；
2,3 absolute altitude constantly measuring open caisson in assembly sinking watching, when the basal surface position of concrete bottom seat piece
When reaching to set absolute altitude, excavation should be stopped and fetching earth；
At the bottom of step 3, adjustment absolute altitude after-pouring concrete well
3,1 by shaft bottom Pass line adjustment to designed elevation, re-lay metalling and tamp, metalling pours
Plain concrete layer；
3, after 2 plain concrete layers reach intensity, assembling reinforcement casting concrete base plate on plain concrete layer；
Step 4, inspection shaft couple with pipeline
4,1 between two inspection shafts equipped with pipeline, the end of pipeline stretches in the through hole of concrete bottom seat piece；
4,2 being placed on concrete floor by base liner, the through hole of base liner is corresponding with base element through hole；
4,3 then it is filled with, by solid with concrete bottom seat piece connection for base liner integral；
4,4 leak-proof sealing pads are placed on through hole, and gland is placed on leak-proof sealing pad；
The assembling of neck barrier part on step 5, concrete
The lower end of upper neck barrier part being carved the upper end of mouth and middle segment carve mouth and insert mutually, two-phase is inserted to carve and is installed sealing on mouth
Circle, then well lid is placed on neck nozzle.
Underground pipe network inspection shaft concrete segment Quick well sinking method the most according to claim 1, it is special
Levying and be: described step 2, in 1, excavation fetches earth employing grapple or manually fetch earth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310295629.9A CN104294846B (en) | 2013-07-15 | 2013-07-15 | A kind of underground pipe network inspection shaft concrete segment Quick well sinking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310295629.9A CN104294846B (en) | 2013-07-15 | 2013-07-15 | A kind of underground pipe network inspection shaft concrete segment Quick well sinking method |
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| Publication Number | Publication Date |
|---|---|
| CN104294846A CN104294846A (en) | 2015-01-21 |
| CN104294846B true CN104294846B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310295629.9A Expired - Fee Related CN104294846B (en) | 2013-07-15 | 2013-07-15 | A kind of underground pipe network inspection shaft concrete segment Quick well sinking method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116290205A (en) * | 2021-03-10 | 2023-06-23 | 山西碛口红农业科技股份有限公司 | Construction method of water storage dry well |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1309211A (en) * | 2000-02-16 | 2001-08-22 | 周文新 | Method for building-up water-proof manhole |
| CN201276709Y (en) * | 2008-10-10 | 2009-07-22 | 叶炽凡 | Assembled prefabricated inspection shaft |
| CN101684669A (en) * | 2008-09-27 | 2010-03-31 | 吴纪东 | Submersed type inspection well and construction method thereof |
| CN201883454U (en) * | 2010-12-07 | 2011-06-29 | 林刚 | Prefabricated reinforced-concrete assembly-type combined inspection well chamber |
| CN203701145U (en) * | 2013-07-15 | 2014-07-09 | 金阳升 | Underground pipe network inspection well concrete assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004169542A (en) * | 2002-10-31 | 2004-06-17 | Orient Kaihatsu Kk | Construction method for manhole |
-
2013
- 2013-07-15 CN CN201310295629.9A patent/CN104294846B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1309211A (en) * | 2000-02-16 | 2001-08-22 | 周文新 | Method for building-up water-proof manhole |
| CN101684669A (en) * | 2008-09-27 | 2010-03-31 | 吴纪东 | Submersed type inspection well and construction method thereof |
| CN201276709Y (en) * | 2008-10-10 | 2009-07-22 | 叶炽凡 | Assembled prefabricated inspection shaft |
| CN201883454U (en) * | 2010-12-07 | 2011-06-29 | 林刚 | Prefabricated reinforced-concrete assembly-type combined inspection well chamber |
| CN203701145U (en) * | 2013-07-15 | 2014-07-09 | 金阳升 | Underground pipe network inspection well concrete assembly |
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| Publication number | Publication date |
|---|---|
| CN104294846A (en) | 2015-01-21 |
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Granted publication date: 20160907 Termination date: 20210715 |