CN104499504A - Road inspection well and construction method thereof - Google Patents
Road inspection well and construction method thereof Download PDFInfo
- Publication number
- CN104499504A CN104499504A CN201410686630.9A CN201410686630A CN104499504A CN 104499504 A CN104499504 A CN 104499504A CN 201410686630 A CN201410686630 A CN 201410686630A CN 104499504 A CN104499504 A CN 104499504A
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- Prior art keywords
- pit shaft
- well
- concrete
- shaft
- well seat
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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
- E02D29/125—Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the lining of the shaft
-
- 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
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/149—Annular gaskets
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention relates to a road inspection well and a construction method thereof. The road inspection well comprises a well lid, a well seat and a shaft. The well seat is coaxially fixedly mounted at the upper end of the shaft. The well lid is coaxially mounted on the well seat. An asphalt road surface is disposed on the upper portion of the top surface of the shaft. The well seat is disposed in the asphalt road surface. The top surface of the well lid is parallel with the asphalt road surface. The shaft is of a reinforced concrete structure, that is to say, a reinforcement cage is disposed in the shaft, and bolts are coaxially and evenly pre-buried in the wall of the shaft at intervals. The pre-buried bolts penetrate the nut holes of the well seat and fixedly connected by nuts. The road inspection well has the advantages that the shaft below the well lid is made of reinforced concrete, the bolts are pre-buried in the shaft, the well seat and the shaft are fixedly and integrally connected by the bolts, and cracks between the periphery of the well lid and the road surface are avoided effectively.
Description
Technical field
The invention belongs to municipal engineering field, relate to the well lid of manhole on road, especially a kind of road inspection well and construction method thereof.
Background technology
Along with the development of urban road, on road, the foster circumference of cannon bone of manhole cover protects and becomes increasingly conspicuous, because cracking destruction around well lid and between road surface causes well lid to be shifted to damage and the traffic accidents caused is of common occurrence.At present, the manhole cover on existing road and the connected mode between bottom pit shaft (or hole diameter), be all generally directly do the steady well lid of slurry under manhole cover, then carry out the making of pavement asphalt concrete.Well lid and surrounding road structure can not be carried out stablizing due to this connected mode and effectively be connected, cause under vehicular load long term well lid and around road surface produce cracking destruction, and then cause displacement or the damage of well lid, bring very large potential safety hazard to the use safety of road.The mode addressed this problem carries out regular reprocessing reinforcing to well lid, both wasted time and energy, and increased maintenance cost again, and also there is potential safety hazard, and became a difficult problem of pendulum in face of reality so how to address this problem.
By retrieval, find following several sections of patent documents:
1, a kind of anti-settling manhole cover and construction method (CN103114607A) thereof, this anti-settling manhole cover, comprise bearing and detain the cover plate be located on bearing, it is characterized in that: described bearing is fixedly connected with and is provided with flange, bearing bottom is inserted in adjustable ring, be provided with adhesive tape between bearing and cover plate, below adhesive tape, be provided with the elastic locking device be installed on bearing.
2, a kind of construction method (CN102644295A) preventing road surface manhole periphery and local sedimentation, comprises following construction sequence: a, excavation groove; B, the prefabricated reinforced concrete construction of bottom plates on manhole basis; C, builds inspection well chamber and pit shaft by laying bricks or stones; D, well week cast-in-situ steel reinforced concrete relieving slab construction: dig out the material backfilled in manhole periphery, double-layer double-direction reinforced mesh skeleton is set, concreting; E, well seat location and installation: lay cutting optimal pitch, place steel plate between well seat and steel concrete relieving slab, mounting shaft seat and well lid; F, asphalt uplayer is constructed.
Through technical comparison, above-mentioned patent is different from the present invention, does not also find other patent documents identical with the present invention simultaneously.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, a kind of road inspection well and construction method thereof are provided, this manhole cover and pit shaft form an entirety, solve the foster pipe cost of road later stage well lid, eliminate a series of potential safety hazard because well lid and surrounding road surface produce cracking destruction reason and bring.
The object of the invention is to be achieved through the following technical solutions:
A kind of road inspection well, be made up of well lid, well seat and pit shaft, well seat is coaxially packed in the upper end of pit shaft, and well lid is coaxially arranged on well seat; Be flexible pavement on pit shaft end face top, well seat is located in flexible pavement, and well lid end face flushes with flexible pavement, it is characterized in that: described pit shaft is reinforced concrete structure, namely in pit shaft, be provided with reinforcing cage, in shaft wall, coaxial uniform interval is embedded with bolt; The pre-buried bolt of described pit shaft to install in the screw cap hole into well seat and adopts nut to be connected and fixed.
And, the pit shaft between well seat and pit shaft is coaxially installed with one deck 5mm rubber sheet gasket.
A construction method for road inspection well, step is:
(1) well location unwrapping wire: after road cutting optimal asphalt concrete construction completes, instrument is utilized to be released by well location center line, then the lower collar thread of Shaft Excavation is released, extend out 10cm with brickwork pit shaft outer wall to be as the criterion, and upwards put slope according to 1:0.5, all spread out with lime by lower collar thread and top curve, excavate to facilitate;
(2) the anti-slot grooving of pit shaft: according to step well location unwrapping wire (1), utilize pneumatic pick to be abolished by deck, manually clear up, be excavated to the brickwork pit shaft at roadbed top, and the iron covering plate on brickwork pit shaft is taken out, then by clean for excavation face complete liquidation;
(3) build pit shaft steel concrete and pre-embedded bolt:
1. according to pit shaft arrangement of reinforcement on-the-spot colligation pit shaft reinforcing cage, or in advance by good for the colligation of pit shaft reinforcing cage, directly lay in place; The perpendicular muscle of pit shaft and stirrup are φ 10, spacing 10cm;
2. supporting pit shaft internal mold, internal mold can adopt the iron sheet of soft template or optical plane, and inner support can adopt hoop in reinforcing bar to add cross hang to carry out support reinforcement;
3. install pre-embedded bolt, the coaxial uniform interval of this bolt is laid; According to the circle diameter at pre-embedded bolt place, adopt Φ 16 steel bar meter two stirrups, by bolt circumferentially equidistant point be welded on two stirrups, two stirrups are between the upper and lower apart from 15cm, pre-buried bolt can be carried out entirety to lay, and fix with pit shaft bar connecting, correct to ensure the position of pre-embedded bolt;
4. tankful builds C30 concrete, also build outside pit shaft concrete and pit shaft together with concrete with the excavation face between deck, and vibration compacting, again the position of pre-embedded bolt is checked after concreting completes, before concrete initial set, a pinch hair process is carried out to concrete surface, after concrete setting, covering watering maintenance is carried out to it;
(4) well seat is installed: when pit shaft concrete strength reaches 50% of design strength, start the installation carrying out well seat; First lay in place by the rubber sheet gasket of 5mm, then by well seat installation in position, and by nut screwing clamping, will add supporting steel plate washer under nut, nut screwing clamping is reinforced and is wanted symmetrical gradation to carry out; Can well lid be laid after the installation of well seat, just can carry out the construction of asphalt uplayer afterwards.
And, described step (3) in the elevation of top surface=well lid design altitude-well lid well seat integral thickness-5mm of concreting, the error that top of concrete is built will control at 0 ~-3mm, and pre-embedded bolt top exceeds concrete surface 6cm.
Advantage of the present invention and good effect are:
1, the made manhole of the present invention be by well seat below pit shaft adopt steel concrete make, and in this steel concrete pit shaft pre-embedded bolt, manhole seat and pit shaft are fixed with bolts, make it formation entirety, efficiently solve the phenomenon producing cracking destruction between well lid periphery and road surface.
2, between the well seat of the made manhole of the present invention and pit shaft, a rubber sheet gasket is installed, enhances the damping capacity between well seat and pit shaft, improve the buffer level of well seat well lid entirety, extend the application life of well lid.
3, construction method of the present invention adopts anti-fluting to the method at roadbed top, pit shaft can be made to be combined more firm with surrounding road surface, slow down the damaged speed on well seat and peripheral path mating face, improve the safety on road surface.
Accompanying drawing explanation
Fig. 1 is the cross section structure cross-sectional schematic of manhole of the present invention;
Fig. 2 is the structure enlarged diagram in the A portion of Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by specific embodiment, the invention will be further described, and following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
A kind of road inspection well, be made up of well lid 5, well seat 4 and pit shaft 3, well seat is coaxially packed in the upper end of pit shaft, and well lid is coaxially arranged on well seat; Excavation face concrete 2 between the outer and deck of pit shaft replaces, and carries out building together with pit shaft and end face flushes, and be flexible pavement 1 on pit shaft end face top, well seat is located in flexible pavement, and well lid end face flushes with flexible pavement.
Innovative point of the present invention is:
Described pit shaft is reinforced concrete structure, namely in pit shaft, is provided with reinforcing cage 6, and in shaft wall, coaxial uniform interval is embedded with bolt 8;
The pre-buried bolt of described pit shaft to install in the screw cap hole into well seat and adopts nut to be connected and fixed, and lays one deck 5mm rubber sheet gasket 7 between well seat and pit shaft.
A construction method for road inspection well, step is:
(1) well location unwrapping wire: after road cutting optimal asphalt concrete construction completes, instrument is utilized to be released by well location center line, then the lower collar thread of Shaft Excavation is released, extend out 10cm with brickwork pit shaft outer wall to be as the criterion, and upwards put slope according to 1:0.5, all spread out with lime by lower collar thread and top curve, excavate to facilitate;
(2) the anti-slot grooving of pit shaft: according to step well location unwrapping wire (1), utilize pneumatic pick to be abolished by deck, manually clear up, be excavated to the brickwork pit shaft at roadbed top, and the iron covering plate on brickwork pit shaft is taken out, then by clean for excavation face complete liquidation;
(3) build pit shaft steel concrete and pre-embedded bolt:
1. according to pit shaft arrangement of reinforcement on-the-spot colligation pit shaft reinforcing cage, also can in advance by good for the colligation of pit shaft reinforcing cage, directly lay and in placely also can; The perpendicular muscle of pit shaft and stirrup are φ 10, spacing 10cm;
2. supporting pit shaft internal mold, internal mold can adopt the iron sheet of soft template or optical plane, and inner support can adopt hoop in reinforcing bar to add cross hang to carry out support reinforcement;
3. install pre-embedded bolt, amount to eight, coaxial uniform interval is laid; According to the circle diameter at pre-embedded bolt place, adopt Φ 16 steel bar meter two stirrups, by bolt circumferentially equidistant point be welded on two stirrups, two stirrups are between the upper and lower apart from 15cm, pre-buried bolt can be carried out entirety to lay, and fix with pit shaft bar connecting, correct to ensure the position of pre-embedded bolt;
4. tankful builds C30 concrete, also build outside pit shaft concrete and pit shaft together with concrete with the excavation face between deck, and vibration compacting, when noting vibrating, vibrating spear does not touch pre-embedded bolt, reinforcing bar and template etc., again the position of pre-embedded bolt is checked after concreting completes, before concrete initial set, a pinch hair process is carried out to concrete surface, after concrete setting, covering watering maintenance is carried out to it; Elevation of top surface=well lid design altitude-well lid well seat integral thickness-the 5mm of concreting, the error that top of concrete is built will control at 0 ~-3mm.In addition, pre-embedded bolt top exceeds concrete surface 6cm;
(4) well seat is installed: when pit shaft concrete strength reaches 50% of design strength, start the installation carrying out well seat; First lay in place by the rubber sheet gasket of 5mm, then by well seat installation in position, and by nut screwing clamping, will add supporting steel plate washer under nut, nut screwing clamping is reinforced and is wanted symmetrical gradation to carry out, and makes sure to keep in mind once to twist extremely; Can well lid be laid after the installation of well seat, just can carry out the construction of asphalt uplayer afterwards.
Described step (3) with step (4) in the screw bolt and nut used all to adopt galvanizing process, to increase the anti-corrosion capability of screw bolt and nut.
Claims (4)
1. a road inspection well, be made up of well lid, well seat and pit shaft, well seat is coaxially packed in the upper end of pit shaft, and well lid is coaxially arranged on well seat; Be flexible pavement on pit shaft end face top, well seat is located in flexible pavement, and well lid end face flushes with flexible pavement, it is characterized in that: described pit shaft is reinforced concrete structure, namely in pit shaft, be provided with reinforcing cage, in shaft wall, coaxial uniform interval is embedded with bolt; The pre-buried bolt of described pit shaft to install in the screw cap hole into well seat and adopts nut to be connected and fixed.
2. road inspection well according to claim 1, is characterized in that: the pit shaft between well seat and pit shaft is coaxially installed with one deck 5mm rubber sheet gasket.
3. a construction method for road inspection well as claimed in claim 1, is characterized in that: step is:
(1) well location unwrapping wire: after road cutting optimal asphalt concrete construction completes, instrument is utilized to be released by well location center line, then the lower collar thread of Shaft Excavation is released, extend out 10cm with brickwork pit shaft outer wall to be as the criterion, and upwards put slope according to 1:0.5, all spread out with lime by lower collar thread and top curve, excavate to facilitate;
(2) the anti-slot grooving of pit shaft: according to step well location unwrapping wire (1), utilize pneumatic pick to be abolished by deck, manually clear up, be excavated to the brickwork pit shaft at roadbed top, and the iron covering plate on brickwork pit shaft is taken out, then by clean for excavation face complete liquidation;
(3) build pit shaft steel concrete and pre-embedded bolt:
1. according to pit shaft arrangement of reinforcement on-the-spot colligation pit shaft reinforcing cage, or in advance by good for the colligation of pit shaft reinforcing cage, directly lay in place; The perpendicular muscle of pit shaft and stirrup are φ 10, spacing 10cm;
2. supporting pit shaft internal mold, internal mold can adopt the iron sheet of soft template or optical plane, and inner support can adopt hoop in reinforcing bar to add cross hang to carry out support reinforcement;
3. install pre-embedded bolt, the coaxial uniform interval of this bolt is laid; According to the circle diameter at pre-embedded bolt place, adopt Φ 16 steel bar meter two stirrups, by bolt circumferentially equidistant point be welded on two stirrups, two stirrups are between the upper and lower apart from 15cm, pre-buried bolt can be carried out entirety to lay, and fix with pit shaft bar connecting, correct to ensure the position of pre-embedded bolt;
4. tankful builds C30 concrete, also build outside pit shaft concrete and pit shaft together with concrete with the excavation face between deck, and vibration compacting, again the position of pre-embedded bolt is checked after concreting completes, before concrete initial set, a pinch hair process is carried out to concrete surface, after concrete setting, covering watering maintenance is carried out to it;
(4) well seat is installed: when pit shaft concrete strength reaches 50% of design strength, start the installation carrying out well seat; First lay in place by the rubber sheet gasket of 5mm, then by well seat installation in position, and by nut screwing clamping, will add supporting steel plate washer under nut, nut screwing clamping is reinforced and is wanted symmetrical gradation to carry out; Can well lid be laid after the installation of well seat, just can carry out the construction of asphalt uplayer afterwards.
4. the construction method of road inspection well according to claim 3, it is characterized in that: described step (3) in the elevation of top surface=well lid design altitude-well lid well seat integral thickness-5mm of concreting, the error that top of concrete is built will control at 0 ~-3mm, and pre-embedded bolt top exceeds concrete surface 6cm.
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| CN201410686630.9A CN104499504B (en) | 2014-11-25 | 2014-11-25 | A kind of road inspection well and construction method thereof |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104894941A (en) * | 2015-06-02 | 2015-09-09 | 宏盛建业投资集团有限公司 | Urban road manhole peripheral road surface disease prevention structure and construction method |
| CN105040733A (en) * | 2015-07-21 | 2015-11-11 | 成都聚智工业设计有限公司 | Inspection well reinforcement structure |
| CN105586990A (en) * | 2015-12-16 | 2016-05-18 | 北京路桥瑞通养护中心有限公司 | Multi-layer support inspection well |
| CN106703080A (en) * | 2016-11-09 | 2017-05-24 | 中铁局集团天津建设工程有限公司 | Road inspection well structure and construction method thereof |
| CN106906848A (en) * | 2017-04-07 | 2017-06-30 | 北京特希达交通勘察设计院有限公司 | A kind of well week steel reinforcement cage |
| CN107476344A (en) * | 2017-08-30 | 2017-12-15 | 北京城市排水集团有限责任公司基建工程管理分公司 | A kind of multi-functional noiseproof manhole cover |
| CN107675728A (en) * | 2017-08-30 | 2018-02-09 | 北京城市排水集团有限责任公司基建工程管理分公司 | A kind of Mutifunction anti-theft manhole-shaft cover |
| CN108412019A (en) * | 2018-02-01 | 2018-08-17 | 中国十七冶集团有限公司 | A kind of cell road receipts well reinforcement means |
| CN108411942A (en) * | 2018-04-18 | 2018-08-17 | 荣盛建设工程有限公司 | A method of with the repair of early strong strength self-compaction steel fiber reinforced concrete, reinforcing inspection shaft bearing |
| CN109137986A (en) * | 2018-08-09 | 2019-01-04 | 杭州江润科技有限公司 | Urban road inspection shaft walling crib green promotes reinforced construction method |
| CN110029687A (en) * | 2019-05-14 | 2019-07-19 | 北京市政建设集团有限责任公司 | A kind of inspection shaft well lid and its construction method with fixed structure |
| CN110274088A (en) * | 2019-05-31 | 2019-09-24 | 武汉市武昌市政建设(集团)有限公司 | A kind of road construction non-excavation type inspection shaft pipeline construction method |
| CN110616744A (en) * | 2019-09-12 | 2019-12-27 | 江苏永联精筑建设集团有限公司 | Method for installing well cover of roadway |
| CN110983905A (en) * | 2019-11-07 | 2020-04-10 | 徐�明 | Conjoined intercepting ditch |
| CN111255049A (en) * | 2020-03-21 | 2020-06-09 | 湖北省交通规划设计院股份有限公司 | Pavement transverse drainage device and mounting method |
| CN111485616A (en) * | 2020-04-28 | 2020-08-04 | 广东德泽建设工程有限公司 | Construction method for newly adding municipal inspection well to water-rich sand-pressed pebble layer |
| CN111733717A (en) * | 2020-05-21 | 2020-10-02 | 中国市政工程中南设计研究总院有限公司 | Method for perforating concrete box culvert and inspection well on wall plate without stopping production and steel formwork |
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| CN112031413A (en) * | 2020-09-27 | 2020-12-04 | 中冶天工集团有限公司 | Water collecting wellhead part mold and using method thereof |
| CN112144573A (en) * | 2020-09-30 | 2020-12-29 | 重庆建工第三建设有限责任公司 | Reverse-slotting PC (polycarbonate) member rapid inspection well construction method |
| CN112376619A (en) * | 2020-11-30 | 2021-02-19 | 北京城建五建设集团有限公司 | Integrated structure of prefabricated well ring and well cover of asphalt concrete pavement and construction method thereof |
| CN113152526A (en) * | 2020-12-30 | 2021-07-23 | 中冶天工集团有限公司 | Reverse grooving installation construction process for manhole cover of inspection well |
| CN113931033A (en) * | 2021-10-27 | 2022-01-14 | 山东建筑大学 | Maintenance device and method for road inspection well and pavement around well |
| CN114351768A (en) * | 2022-01-28 | 2022-04-15 | 金中天建设集团有限公司 | High-load adjustable anti-settling intelligent well lid and construction method thereof |
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Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104894941A (en) * | 2015-06-02 | 2015-09-09 | 宏盛建业投资集团有限公司 | Urban road manhole peripheral road surface disease prevention structure and construction method |
| CN105040733A (en) * | 2015-07-21 | 2015-11-11 | 成都聚智工业设计有限公司 | Inspection well reinforcement structure |
| CN105040733B (en) * | 2015-07-21 | 2017-03-01 | 瑞安市东南市政工程建设有限公司 | Inspection shaft enhancing structure |
| CN105586990A (en) * | 2015-12-16 | 2016-05-18 | 北京路桥瑞通养护中心有限公司 | Multi-layer support inspection well |
| CN106703080A (en) * | 2016-11-09 | 2017-05-24 | 中铁局集团天津建设工程有限公司 | Road inspection well structure and construction method thereof |
| CN106906848A (en) * | 2017-04-07 | 2017-06-30 | 北京特希达交通勘察设计院有限公司 | A kind of well week steel reinforcement cage |
| CN107476344A (en) * | 2017-08-30 | 2017-12-15 | 北京城市排水集团有限责任公司基建工程管理分公司 | A kind of multi-functional noiseproof manhole cover |
| CN107675728A (en) * | 2017-08-30 | 2018-02-09 | 北京城市排水集团有限责任公司基建工程管理分公司 | A kind of Mutifunction anti-theft manhole-shaft cover |
| CN108412019A (en) * | 2018-02-01 | 2018-08-17 | 中国十七冶集团有限公司 | A kind of cell road receipts well reinforcement means |
| CN108411942A (en) * | 2018-04-18 | 2018-08-17 | 荣盛建设工程有限公司 | A method of with the repair of early strong strength self-compaction steel fiber reinforced concrete, reinforcing inspection shaft bearing |
| CN109137986A (en) * | 2018-08-09 | 2019-01-04 | 杭州江润科技有限公司 | Urban road inspection shaft walling crib green promotes reinforced construction method |
| CN109137986B (en) * | 2018-08-09 | 2020-10-30 | 杭州江润科技有限公司 | Green lifting and reinforcing construction method for manhole ring of urban road inspection well |
| CN110029687A (en) * | 2019-05-14 | 2019-07-19 | 北京市政建设集团有限责任公司 | A kind of inspection shaft well lid and its construction method with fixed structure |
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