CN110295627A - Road inspection well construction method - Google Patents
Road inspection well construction method Download PDFInfo
- Publication number
- CN110295627A CN110295627A CN201910573957.8A CN201910573957A CN110295627A CN 110295627 A CN110295627 A CN 110295627A CN 201910573957 A CN201910573957 A CN 201910573957A CN 110295627 A CN110295627 A CN 110295627A
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- China
- Prior art keywords
- walling crib
- integrated board
- well bore
- template
- road
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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
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (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)
- Road Paving Structures (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a kind of road inspection well construction methods, comprising the following steps: production armored concrete walling crib integrated board template；In-situ precast armored concrete walling crib integrated board；Inspection shaft basis and well bore construction；Well bore periphery backfilling of earthwork；The installation of armored concrete walling crib integrated board；Road base layer construction；Road surface construction.The present invention is conducive to improve the construction efficiency of inspection shaft, and well bore is avoided to form the risk that the problems in stress collection and inspection shaft ground are impregnated by rainwater, be conducive to extend inspection shaft using durable.
Description
Technical field
The invention belongs to the technical fields of road inspection well construction, more particularly to a kind of road inspection well construction method.
Background technique
All kinds of inspection shafts on outdoor road are set, under vehicular load and rainwater repeated action, stress collection can be generated
It is middle to destroy, including the breakoff phenomenons such as well week sagging, pavement cracking, walling crib rupture, well lid protuberance, it is comfortable to seriously affect driving
Degree and safety.It after such disease occurs in inspection shaft, has to carry out it excavation processing, result often causes room
Outer road is temporarily paralysed, and influences traffic, while inspection shaft is dealt with improperly and will affect outdoor road beauty, especially occurs in city
Similar problems can destroy the image in city, therefore prevent from road inspection well from destroying, improve inspection shaft useful life longevity to be to need at present
The construction technology problem of solution.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of road inspection well construction methods, improve construction efficiency, have
Conducive to extension inspection shaft using durable.
The technical solution adopted by the present invention to solve the technical problems is to provide a kind of road inspection well construction method, including
Following steps:
(1) make armored concrete walling crib integrated board template: the template includes square template, circular shuttering and bed die
Plate, the end template are the mattess tilted down from periphery to center, and the center of the end template is reserved and finished product well
The circular hole that narrow circle outer diameter matches is enclosed, outer diameter and the wide circle internal diameter of finished product walling crib of the circular shuttering match；
(2) in-situ precast armored concrete walling crib integrated board: the position of square shaped template carries out unwrapping wire on end template, will
The narrow circle retaining ring of finished product walling crib is in the center hole of end template, by circular shuttering encapsulation in the wide circle inner hole of finished product walling crib,
Square template is installed according to unwrapping wire and square template is identical as circular shuttering upper end absolute altitude, between square template and circular shuttering
Assembling reinforcement and casting concrete plate, demoulding obtains armored concrete walling crib integrated board after intensity is up to standard；
(3) inspection shaft basis and well bore construction: inspection shaft basis is poured on ground, on inspection shaft basis after intensity is up to standard
Top builds well bore；
(4) back-filling in layers well bore periphery backfilling of earthwork: is carried out to the earthwork of well bore periphery；
(5) armored concrete walling crib integrated board is installed: being carried out leveling to the top of well bore, is trapped among reinforcing bar outside to well bore
Backfill in concrete walling crib integrated board fitting limit carries out flatness and compactness processing so that the backfill surface with
Well bore top flushes, and armored concrete walling crib integrated board is mounted on well bore top；
(6) Road base layer construction: Paving roadways base course, the surface level and armored concrete of the Road base
The outer rim absolute altitude of walling crib integrated board is consistent；
(7) Road surface construction: Paving roadways supercrust, the surface level and armored concrete of the Road surface layer
The top absolute altitude of walling crib integrated board is consistent.
The center hole depth of the end template is greater than the height of the narrow circle of finished product walling crib.
The surface slope of the end template is 2~5 °.
It will check that the synchronous installation of staircase is in place in the building construction of the well bore.
In the step (5) when being installed to armored concrete walling crib integrated board, finished product walling crib is biased to check and is helped
The direction installation of ladder.
The thickness of each layer backfill of control is no more than 200mm in the step (4), and each layer backfill is carried out close using cutting ring
Solidity sample detection.
Using cement mortar to progress leveling at the top of well bore in the step (6).
Beneficial effect
First, in the present invention, by the armored concrete walling crib one for obtaining integral structure to walling crib casting concrete
Body plate can be realized the installation to walling crib by installing armored concrete walling crib integrated board when construction, avoid in the prior art
Walling crib installation needs supporting module, and being conducive to simplify to construct reduces cost.And armored concrete walling crib integrated board in-situ precast, energy
Enough progress synchronous with well construction is checked are conducive to improve construction efficiency shortening construction period.
Second, compared with prior art walling crib stress directly acts on the situation that well bore be easy to cause stress to concentrate, this hair
Bright middle walling crib and concrete slab form armored concrete walling crib integrated board, and bottom bearing area greatly increases, and by well bore and outside
It encloses the soil body and bears upper load jointly, avoid the formation of the problems in well bore stress collection, be conducive to avoid inspection shaft broken by stress
It is bad, improve the durability of inspection shaft.
Third, armored concrete walling crib integrated board upper surface are the structure that outer rim tilts down, and form drainage grade, use
The ponding of upper surface can be discharged to outside armored concrete walling crib integrated board range in the process, advantageously reduce the incident of inspection shaft ground
By the risk that rainwater impregnates, be conducive to the durability for improving inspection shaft.
Detailed description of the invention
Fig. 1 is the formwork structure schematic diagram of armored concrete walling crib integrated board.
Fig. 2 is the structural schematic diagram of armored concrete walling crib integrated board.
Fig. 3 is the structural schematic diagram on inspection shaft basis and well bore.
Fig. 4 is the mounting plane figure of armored concrete walling crib integrated board.
Fig. 5 is the A-A sectional view of Fig. 4.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
A kind of road inspection well construction method, comprising the following steps:
(1) armored concrete walling crib integrated board template is made: as shown in Figure 1, template includes square template 1-1, circular mode
Plate 1-2 and end template.Square template 1-1 is square, and is made of 4 pieces of strip templates, and strip template length is finished product walling crib 2-1
The narrow circle outer diameter R2+800mm in top, is highly 80mm-100mm.The outer diameter and finished product walling crib 2-1 lower part Kuan Quan of circular shuttering 1-2
Internal diameter matches.End template is mattess, is tilted down from periphery to being centrally formed 2 °, the center of end template it is reserved with
The circular hole that the narrow circle outer diameter in the top finished product walling crib 2-1 matches, depth 100mm-200mm, greater than the narrow circle of finished product walling crib 2-1
Highly.
(2) in-situ precast armored concrete walling crib integrated board: the position of square shaped template 1-1 is put on end template
Line, by the narrow circle back-off in the top of finished product walling crib 2-1 in the center hole of end template, by circular shuttering 1-2 encapsulation in finished product well
It encloses in the wide circle inner hole of 2-1.Square template 1-1, and square template 1-1 and the upper end circular shuttering 1-2 absolute altitude are installed according to unwrapping wire
It is identical, the assembling reinforcement between square template 1-1 and circular shuttering 1-2.It is poured between square template 1-1 and circular shuttering 1-2
Concrete slab 3 is built, strength grade of concrete is not less than C25, and maintenance is no less than 7d, obtains the knot of armored concrete walling crib integrated board
Structure is as shown in Figure 2.Concrete strength not less than design strength 75% after form removal, concentrate pile up, armored concrete walling crib
The concrete strength of integrated board can be installed after reaching 100%.Armored concrete walling crib integrated board can be using building rubbish
Rubbish is made in advance, is not take up the construction period, and environmentally protective.
(3) inspection shaft basis and well bore construction: after the completion of basement process, inspection shaft basis 4 is poured, inspection shaft basis 4 is
C20 concrete, thickness are not less than 100mm.4 concrete strengths of inspection shaft basis carry out the building construction of well bore 5 after reaching 75%,
5 groups of blocks of well bore are not less than the cement mortar of M7.5 using intensity, and building block is not less than the solid concrete brick of Mu20, well using intensity
It will check that the synchronous installation of staircase 6 is in place in 5 building process of body, as shown in Figure 3.Covering in time after the completion of well bore 5 is built, prevents rain
Leaching carries out next process construction after placing 7d.If 5 local environment of well bore is very moist or water level located underground is hereinafter, in well
5 outer wall of body should carry out waterproof disposition.
(4) well bore periphery backfilling of earthwork: well bore 5 is built complete and check and accept and pass through after, carry out peripheral backfilling of earthwork.The earthwork point
Layer backfill, lift height are no more than 200mm, and every layer of backfill is all made of cutting ring sample detection, it is ensured that backfill compactness.If Road
Base 8-1 design is thicker than armored concrete walling crib integrated board, and first construct one layer of Road base 8-1, and thickness is not less than 100mm,
Less than 100mm, backfilling of earthwork thickness is reduced, reduces backfill height hj=100+h0-h1, wherein h0 is integrated plate thickness,
H1 is roadbase thickness.
(5) armored concrete walling crib integrated board is installed:
Using with the equicohesive cement mortar of armored concrete walling crib integrated board to carrying out leveling at the top of well bore 5.It is right
Backfill surface smoothness and compactness in armored concrete walling crib integrated board fitting limit are checked that flatness is not met
It is required that can be handled by the thin sand bed compacting that paves, compactness, which is unsatisfactory for requirement, should first carry out compacting processing, then reasonable with gradation
Sandstone are backfilled to integrated board mounting height.
Armored concrete walling crib integrated board is mounted on the top of well bore 5, armored concrete walling crib integrated board outer rim absolute altitude with
The upper surface Road base 8-1 absolute altitude is identical, and inspection shaft internal diameter is 100mm-300mm bigger than well lid 2-2 outer diameter.For convenient for inspection shaft
Maintenance, when armored concrete walling crib integrated board is installed, finished product walling crib 2-1 is biased to check the direction installation of staircase 6, finished product well
The minimum range of circle 2-1 internal diameter to 5 inner wall of well bore should be controlled in 0-100mm.
(6) Road base layer construction: being repeated several times step (3) to step (5), and completion needs all inspection shafts on construction road
Construction, by design requirement Paving roadways base course 8-1, the surface level and armored concrete walling crib one of Road base 8-1
The outer rim absolute altitude of body plate is identical.
(7) Road surface construction: Paving roadways supercrust 8-2, the surface level and reinforced concrete of Road surface layer 8-2
The top absolute altitude of native walling crib integrated board is consistent.
Claims (7)
1. a kind of road inspection well construction method, comprising the following steps:
(1) make armored concrete walling crib integrated board template: the template include square template (1-1), circular shuttering (1-2) and
End template, the end template are the mattess tilted down from periphery to center, the center of the end template it is reserved at
The narrow circular hole that matches of circle outer diameter of product walling crib (2-1), in the wide circle of the outer diameter and finished product walling crib (2-1) of the circular shuttering (1-2)
Diameter matches；
(2) in-situ precast armored concrete walling crib integrated board: the position of square shaped template (1-1) carries out unwrapping wire on end template,
By the narrow circle retaining ring of finished product walling crib (2-1) in the center hole of end template, by circular shuttering (1-2) encapsulation in finished product walling crib
In the wide circle inner hole of (2-1), according to unwrapping wire installation square template (1-1) and square template (1-1) and the upper end circular shuttering (1-2)
Absolute altitude is identical, and assembling reinforcement and casting concrete plate (3) between square template (1-1) and circular shuttering (1-2), intensity is up to standard
Demoulding obtains armored concrete walling crib integrated board afterwards；
(3) inspection shaft basis and well bore construction: inspection shaft basis (4) is poured on ground, on inspection shaft basis after intensity is up to standard
(4) top builds well bore (5)；
(4) back-filling in layers well bore periphery backfilling of earthwork: is carried out to the earthwork of well bore (5) periphery；
(5) armored concrete walling crib integrated board is installed: being carried out leveling to the top of well bore (5), is trapped among steel outside to well bore (5)
Backfill in reinforced concrete walling crib integrated board fitting limit carries out flatness and compactness processing, so that the backfill surface
It is flushed with well bore (5) top, armored concrete walling crib integrated board is mounted on well bore (5) top；
(6) Road base layer construction: Paving roadways base course (8-1), the surface level and reinforcing bar of the Road base (8-1)
The outer rim absolute altitude of concrete walling crib integrated board is consistent；
(7) Road surface construction: Paving roadways supercrust (8-2), the surface level and reinforcing bar of the Road surface layer (8-2)
The top absolute altitude of concrete walling crib integrated board is consistent.
2. a kind of road inspection well construction method according to claim 1, it is characterised in that: the center circle of the end template
Hole depth is greater than the height of finished product walling crib (2-1) narrow circle.
3. a kind of road inspection well construction method according to claim 1, it is characterised in that: incline on the surface of the end template
Gradient is 2~5 °.
4. a kind of road inspection well construction method according to claim 1, it is characterised in that: the masonry of the well bore (5)
It will check that staircase (6) synchronous installation is in place in construction.
5. a kind of road inspection well construction method according to claim 4, it is characterised in that: right in the step (5)
When armored concrete walling crib integrated board is installed, finished product walling crib (2-1) is biased to check that the direction of staircase (6) is installed.
6. a kind of road inspection well construction method according to claim 1, it is characterised in that: control in the step (4)
The thickness of each layer backfill is no more than 200mm, and each layer backfill carries out compactness sample detection using cutting ring.
7. a kind of road inspection well construction method according to claim 1, it is characterised in that: used in the step (6)
Cement mortar is to progress leveling at the top of well bore (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910573957.8A CN110295627B (en) | 2019-06-28 | 2019-06-28 | Construction method of road inspection well |
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| CN201910573957.8A CN110295627B (en) | 2019-06-28 | 2019-06-28 | Construction method of road inspection well |
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| CN110295627B CN110295627B (en) | 2021-01-01 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111733887A (en) * | 2020-06-15 | 2020-10-02 | 中国一冶集团有限公司 | Construction method of asphalt concrete road inspection well first-rising structure |
| CN111827040A (en) * | 2020-07-23 | 2020-10-27 | 湖北烜豪建筑工程有限公司 | Construction process for well road with pipeline |
| CN113622234A (en) * | 2020-05-09 | 2021-11-09 | 北京建工路桥集团有限公司 | Method for synchronously constructing road base and inspection well |
| CN113944219A (en) * | 2021-09-14 | 2022-01-18 | 北京市政建设集团有限责任公司 | Construction process for prefabricating gutter inlet |
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| JP2001336168A (en) * | 2000-05-30 | 2001-12-07 | Inoac Corp | Fixing ring for flexible joint for connecting pipe of manhole |
| CN205369311U (en) * | 2016-01-06 | 2016-07-06 | 深圳市路桥建设集团有限公司 | A walling crib for reinforcing or inspection shaft on maintenance town road |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622234A (en) * | 2020-05-09 | 2021-11-09 | 北京建工路桥集团有限公司 | Method for synchronously constructing road base and inspection well |
| CN111733887A (en) * | 2020-06-15 | 2020-10-02 | 中国一冶集团有限公司 | Construction method of asphalt concrete road inspection well first-rising structure |
| CN111827040A (en) * | 2020-07-23 | 2020-10-27 | 湖北烜豪建筑工程有限公司 | Construction process for well road with pipeline |
| CN113944219A (en) * | 2021-09-14 | 2022-01-18 | 北京市政建设集团有限责任公司 | Construction process for prefabricating gutter inlet |
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| CN110295627B (en) | 2021-01-01 |
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