CN106906847A - A kind of urban road inspection shaft - Google Patents
A kind of urban road inspection shaft Download PDFInfo
- Publication number
- CN106906847A CN106906847A CN201710225352.0A CN201710225352A CN106906847A CN 106906847 A CN106906847 A CN 106906847A CN 201710225352 A CN201710225352 A CN 201710225352A CN 106906847 A CN106906847 A CN 106906847A
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- China
- Prior art keywords
- well
- reinforcement
- urban road
- annular
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007689 inspection Methods 0.000 title claims abstract description 31
- 230000002787 reinforcement Effects 0.000 claims abstract description 63
- 239000004567 concrete Substances 0.000 claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 239000010426 asphalt Substances 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000002344 surface layer Substances 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 7
- 201000010099 disease Diseases 0.000 abstract description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 239000011384 asphalt concrete Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- 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
Landscapes
- 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)
Abstract
The invention discloses a kind of urban road inspection shaft, it includes：Pit shaft, concrete precast block, all steel reinforcement cages of well, well seat, well lid, template, early strength concrete layer and asphalt surface course.The well week supporting construction of the inspection shaft mainly includes well week steel reinforcement cage and early strength concrete layer two large divisions, more generally and frequently disease can accomplish effective improvement for the generations such as this two-part combination is sunk for inspection shaft well week common in urban road surfaces, well week road surface breakage, this inspection shaft had both solved the problems, such as the sinking of well week and the frequent generation of local damage, and the difficulty of energy customer service urban road construction the limited time.It is this kind of to check reparation and transformation that well construction is equally applicable to the inspection shaft of breakage, urban road well week is sunk and the inspection shaft of local damage can accomplish quick reparation, quick be open to traffic and to well week Disease Processing thoroughly effect.
Description
Technical Field
The invention relates to the technical field of road construction, in particular to an urban road inspection well.
Background
The urban road inspection well is a structure which is convenient for maintenance and installation of power supply, water supply, drainage, pollution discharge, communication, cable television, gas pipes, street lamp lines and the like of urban underground infrastructure. Inspection wells generally consist of a well base, a well bore, a well lid, and a well perimeter support structure.
The existing inspection well has serious sinking problem or frequent local damage, so how to improve the stability of the structure of the inspection well, reduce the maintenance frequency and prolong the service life is more and more concerned by technical personnel in the field.
Disclosure of Invention
In order to solve the technical problems, the invention provides an urban road inspection well.
The invention provides an urban road inspection well, which comprises: the concrete prefabricated part is arranged on the well base; wherein,
the concrete precast block is arranged at the top of the shaft and used for supporting a reinforcement cage around the shaft;
the reinforcement cage around the well is arranged at the upper part of the shaft and supported by the concrete precast block;
the well periphery steel reinforcement cage includes:
the annular stress main ribs are arranged along the circumferential direction of the well; the annular stress main ribs are provided with two layers in the vertical direction, and at least two annular stress main ribs with different radiuses are arranged in each layer;
the hoop comprises an upper horizontal hoop arranged along the radial direction of the annular stress main reinforcement, the tail end of the upper horizontal hoop is bent downwards to form a vertical hoop, and the tail end of the vertical hoop is bent inwards along the horizontal direction to form a lower horizontal hoop; the upper horizontal stirrup is welded with the top surface of the upper layer of annular stressed main reinforcement, the vertical stirrup is welded with the side surfaces of the upper layer of annular stressed main reinforcement and the lower layer of annular stressed main reinforcement, and the lower horizontal stirrup is welded with the bottom surface of the lower layer of annular stressed main reinforcement;
the U-shaped embedded steel bars are arranged with the openings facing downwards and are welded with the annular stress main steel bars; the U-shaped planting bars are uniformly arranged along the periphery of the well, the number of the U-shaped planting bars is the same as that of well seat holes on the periphery of the well seat, and the width of the top surface of the U-shaped planting bars is matched with that of the well seat holes;
the well seat is fixed at the top of the reinforcement cage around the well, and the U-shaped embedded bars of the reinforcement cage around the well penetrate through the well seat holes on the periphery of the well seat;
the well cover is arranged on the well seat;
early-strength concrete is poured inside and on the reinforcement cage around the well to form an early-strength concrete layer;
the template is arranged between the well seat and the shaft, the top surface of the template is attached to the well seat, the bottom surface of the template is attached to the shaft, and the outer side surface of the template is attached to the inner side surface of the reinforcement cage around the well;
and paving asphalt on the top surface of the early strength concrete layer to form the asphalt surface layer.
Furthermore, the annular stress main reinforcement adopts a second-level steel bar phi 12, the stirrup adopts a first-level steel bar phi 8, and the U-shaped embedded reinforcement adopts a first-level steel bar phi 6.5.
Further, the template is an iron plate, and the thickness of the iron plate is not less than 1 mm.
Further, the requirements of the early strength concrete are as follows: the 28-day compressive strength is not less than 25Mpa, the 2-hour compressive strength is not less than 20Mpa, the slump is controlled within 14-16 cm, and sulphoaluminate cement is used as a cementing material.
Compared with the prior art, the well periphery supporting structure of the urban road inspection well mainly comprises a well periphery reinforcing cage and an early strength concrete layer, the well periphery reinforcing cage and the early strength concrete layer are organically combined to effectively treat common diseases such as well periphery sinking and well periphery pavement damage of the urban road and the like, and the inspection well not only solves the problem of frequent occurrence of well periphery sinking and local damage, but also overcomes the difficulty of limited urban road construction time. The inspection well structure is also suitable for repairing and transforming damaged inspection wells, and can achieve the effects of quickly repairing and quickly traffic the inspection wells with peripheral sinking and local damage of urban road wells and thoroughly treating the diseases around the wells.
Drawings
FIG. 1 is a schematic structural diagram of an urban road manhole provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a reinforcement cage around a well in an urban road inspection well according to an embodiment of the present invention;
fig. 3 is a partial top view of a reinforcement cage around a shaft in an urban road manhole according to an embodiment of the present invention.
Description of reference numerals:
1-hoop stress main rib
2-stirrup
21-upper horizontal stirrup
22-vertical stirrup
23-lower horizontal stirrup
3-U-shaped embedded bar
4-shaft
5-concrete precast block
6-well periphery reinforcement cage
7-well seat
8-well cover
9-form
10-early strength concrete layer
11-asphalt surface course
Detailed Description
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In a particular embodiment, the invention provides an urban road manhole. Referring to fig. 1, the structure of an urban road manhole provided by an embodiment of the invention is shown.
The urban road inspection well provided by the embodiment of the invention comprises: the method comprises the following steps of 1, well bores 4, concrete precast blocks 5, well peripheral reinforcement cages 6, well seats 7, well covers 8, templates 9, early strength concrete layers 10 and asphalt surface layers 11; wherein,
the concrete precast block 5 is arranged at the top of the shaft 4 and used for supporting a reinforcement cage 6 around the shaft;
the reinforcement cage 6 around the shaft is arranged at the upper part of the shaft 4 and supported by the concrete precast block 5;
referring to fig. 2 and 3, the reinforcement cage 6 around the well includes:
the annular stress main rib 1 is arranged along the circumferential direction of the well; the annular stress main ribs 1 are provided with two layers along the vertical direction, and at least two annular stress main ribs 1 with different radiuses are arranged in each layer;
the stirrup 2 comprises an upper horizontal stirrup 21 arranged along the radial direction of the hoop stress main reinforcement 1, the tail end of the upper horizontal stirrup 21 is bent downwards to form a vertical stirrup 22, and the tail end of the vertical stirrup 22 is bent inwards along the horizontal direction to form a lower horizontal stirrup 23; the upper horizontal stirrup 21 is welded with the top surface of the upper layer of the annular stressed main reinforcement, the vertical stirrup 22 is welded with the side surfaces of the upper layer of the annular stressed main reinforcement and the side surfaces of the lower layer of the annular stressed main reinforcement, and the lower horizontal stirrup 23 is welded with the bottom surface of the lower layer of the annular stressed main reinforcement;
the U-shaped embedded steel bar 3 is provided with an opening facing downwards and is welded with the annular stress main steel bar 1; the U-shaped embedded bars 3 are uniformly arranged along the periphery of the well, the number of the U-shaped embedded bars is the same as that of the well seat holes on the periphery of the well seat 7, and the width of the top surface of the U-shaped embedded bars is matched with that of the well seat holes;
the well seat 7 is fixed on the top of the well peripheral reinforcement cage 6, and the U-shaped embedded bars 3 of the well peripheral reinforcement cage 6 penetrate through the well seat holes on the periphery of the well seat 7;
the well cover 8 is arranged on the well base 7 in a covering manner;
early strength concrete is poured inside and on the reinforcement cage 6 around the well to form an early strength concrete layer 10;
the template 9 is arranged between the well seat 7 and the shaft 4, the top surface of the template is attached to the well seat 7, the bottom surface of the template is attached to the shaft 4, and the outer side surface of the template is attached to the inner side surface of the reinforcement cage 6 around the well;
and paving asphalt on the top surface of the early strength concrete layer 10 to form the asphalt surface layer 11.
Further, the annular stress main reinforcement 1 adopts a second-level steel bar phi 12, the stirrup 2 adopts a first-level steel bar phi 8, and the U-shaped embedded reinforcement 3 adopts a first-level steel bar phi 6.5.
Further, the template 9 is an iron plate, and the thickness is not less than 1 mm.
Further, the requirements of the early strength concrete are as follows: the 28-day compressive strength is not less than 25Mpa, the 2-hour compressive strength is not less than 20Mpa, the slump is controlled within 14-16 cm, and sulphoaluminate cement is used as a cementing material.
The urban road inspection well provided by the invention can be prepared by the following construction method:
step 1), arranging a concrete precast block at the top of a shaft;
step 2), installing a reinforcement cage around the well:
the well periphery steel reinforcement cage includes:
the annular stress main ribs are arranged along the circumferential direction of the well; the annular stress main ribs are provided with two layers in the vertical direction, and at least two annular stress main ribs with different radiuses are arranged in each layer;
the hoop comprises an upper horizontal hoop arranged along the radial direction of the annular stress main reinforcement, the tail end of the upper horizontal hoop is bent downwards to form a vertical hoop, and the tail end of the vertical hoop is bent inwards along the horizontal direction to form a lower horizontal hoop; the upper horizontal stirrup is welded with the top surface of the upper layer of annular stressed main reinforcement, the vertical stirrup is welded with the side surfaces of the upper layer of annular stressed main reinforcement and the lower layer of annular stressed main reinforcement, and the lower horizontal stirrup is welded with the bottom surface of the lower layer of annular stressed main reinforcement;
the U-shaped embedded steel bars are arranged with the openings facing downwards and are welded with the annular stress main steel bars; the U-shaped planting bars are uniformly arranged along the periphery of the well, the number of the U-shaped planting bars is the same as that of well seat holes on the periphery of the well seat, and the width of the top surface of the U-shaped planting bars is matched with that of the well seat holes;
the reinforcement cage around the well is tightly leaned against the bottom of the well seat, and the axis of the reinforcement cage around the well is aligned with the axis of the well head;
a precast concrete block is adopted below the reinforcement cage around the well for supporting and cushioning;
step 3), installing a cast iron well seat:
the well seat is directly placed on the reinforcement cage, and the U-shaped embedded bars of the reinforcement cage around the well penetrate through the well seat holes on the periphery of the well seat, so that the well seat is fixed; moreover, the top surface of the U-shaped planting bar is closely attached to the well seat;
step 4), adjusting the elevation of the well seat;
step 5), supporting the template:
the template is made of an iron plate, and the thickness of the iron plate is not less than 1 mm; the template, the shaft and the well seat need to be closely attached, and no gap exists between the top surface of the template and the well seat;
step 6), pouring concrete:
concrete pouring is continued, the concrete is poured to be level to the asphalt pavement at one time, after the concrete is vibrated to be compact, a wooden trowel is used for survival, and the surface of the concrete is required to be smooth and rough;
the concrete is early-strength concrete, and the requirements of the early-strength concrete are as follows: the 28-day compressive strength is not less than 25Mpa, the 2-hour compressive strength is not less than 20Mpa, the slump is controlled within 14-16 cm, and sulphoaluminate cement is used as a cementing material;
step 7), protecting finished products;
and 8) paving the asphalt concrete surface layer.
The well periphery supporting structure of the urban road inspection well mainly comprises a well periphery reinforcing cage and an early strength concrete layer, wherein the well periphery reinforcing cage and the early strength concrete layer are organically combined to effectively treat common diseases such as well periphery sinking, well periphery pavement damage and the like of the urban road in the road surface of the urban road, and the inspection well not only solves the problem of frequent occurrence of well periphery sinking and local damage, but also overcomes the difficulty of limited construction time of the urban road. The inspection well structure is also suitable for repairing and transforming damaged inspection wells, and can achieve the effects of quickly repairing and quickly traffic the inspection wells with peripheral sinking and local damage of urban road wells and thoroughly treating the diseases around the wells.
The urban road inspection well provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (4)
1. An urban road manhole, comprising: the concrete prefabricated part is arranged on the well base; wherein,
the concrete precast block is arranged at the top of the shaft and used for supporting a reinforcement cage around the shaft;
the reinforcement cage around the well is arranged at the upper part of the shaft and supported by the concrete precast block;
the well periphery steel reinforcement cage includes:
the annular stress main ribs are arranged along the circumferential direction of the well; the annular stress main ribs are provided with two layers in the vertical direction, and at least two annular stress main ribs with different radiuses are arranged in each layer;
the hoop comprises an upper horizontal hoop arranged along the radial direction of the annular stress main reinforcement, the tail end of the upper horizontal hoop is bent downwards to form a vertical hoop, and the tail end of the vertical hoop is bent inwards along the horizontal direction to form a lower horizontal hoop; the upper horizontal stirrup is welded with the top surface of the upper layer of annular stressed main reinforcement, the vertical stirrup is welded with the side surfaces of the upper layer of annular stressed main reinforcement and the lower layer of annular stressed main reinforcement, and the lower horizontal stirrup is welded with the bottom surface of the lower layer of annular stressed main reinforcement;
the U-shaped embedded steel bars are arranged with the openings facing downwards and are welded with the annular stress main steel bars; the U-shaped planting bars are uniformly arranged along the periphery of the well, the number of the U-shaped planting bars is the same as that of well seat holes on the periphery of the well seat, and the width of the top surface of the U-shaped planting bars is matched with that of the well seat holes;
the well seat is fixed at the top of the reinforcement cage around the well, and the U-shaped embedded bars of the reinforcement cage around the well penetrate through the well seat holes on the periphery of the well seat;
the well cover is arranged on the well base;
early-strength concrete is poured inside and on the reinforcement cage around the well to form an early-strength concrete layer;
the template is arranged between the well seat and the shaft, the top surface of the template is attached to the well seat, the bottom surface of the template is attached to the shaft, and the outer side surface of the template is attached to the inner side surface of the reinforcement cage around the well;
and paving asphalt on the top surface of the early strength concrete layer to form the asphalt surface layer.
2. The urban road inspection well according to claim 1, wherein the annular stressed main reinforcement is a secondary reinforcement phi 12, the stirrup is a primary reinforcement phi 8, and the U-shaped embedded reinforcement is a primary reinforcement phi 6.5.
3. The urban road inspection shaft according to claim 1, wherein the template is an iron plate with a thickness not less than 1 mm.
4. The urban road manhole of claim 1, wherein the requirements of the early strength concrete are as follows: the 28-day compressive strength is not less than 25Mpa, the 2-hour compressive strength is not less than 20Mpa, the slump is controlled within 14-16 cm, and sulphoaluminate cement is used as a cementing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710225352.0A CN106906847A (en) | 2017-04-07 | 2017-04-07 | A kind of urban road inspection shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710225352.0A CN106906847A (en) | 2017-04-07 | 2017-04-07 | A kind of urban road inspection shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106906847A true CN106906847A (en) | 2017-06-30 |
Family
ID=59194377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710225352.0A Pending CN106906847A (en) | 2017-04-07 | 2017-04-07 | A kind of urban road inspection shaft |
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| Country | Link |
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| CN (1) | CN106906847A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847240A (en) * | 2019-12-23 | 2020-02-28 | 德州市公路工程总公司 | Inspection well in roadway and construction method |
| CN111335103A (en) * | 2020-03-05 | 2020-06-26 | 贵州广播电视大学(贵州职业技术学院) | Sedimentation treatment method and anti-sedimentation structure around well lid |
| CN112575819A (en) * | 2021-02-22 | 2021-03-30 | 中铁九局集团第四工程有限公司 | Manhole cover reinforcing structure and method anchored by using dowel bars and existing pavement foundation |
| CN112982492A (en) * | 2021-02-06 | 2021-06-18 | 恒基建设集团有限公司 | Quick mounting structure of bituminous paving prefabricated inspection walling crib |
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| CN206784437U (en) * | 2017-04-07 | 2017-12-22 | 北京特希达交通勘察设计院有限公司 | A kind of urban road inspection shaft |
-
2017
- 2017-04-07 CN CN201710225352.0A patent/CN106906847A/en active Pending
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| US6401400B1 (en) * | 2000-03-15 | 2002-06-11 | Newbasis, Llc | Industrial vault |
| CN102409594A (en) * | 2011-09-16 | 2012-04-11 | 无锡市政设计研究院有限公司 | Method for carrying out compaction on pavement around well through rolling and transitional well cover for compaction |
| CN102644295A (en) * | 2012-04-28 | 2012-08-22 | 江苏阳湖建设项目管理有限公司 | Construction method for preventing peripheral and local sedimentation of road surface inspection well |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847240A (en) * | 2019-12-23 | 2020-02-28 | 德州市公路工程总公司 | Inspection well in roadway and construction method |
| CN110847240B (en) * | 2019-12-23 | 2021-05-25 | 德州市公路工程总公司 | Inspection well in roadway and construction method |
| CN111335103A (en) * | 2020-03-05 | 2020-06-26 | 贵州广播电视大学(贵州职业技术学院) | Sedimentation treatment method and anti-sedimentation structure around well lid |
| CN112982492A (en) * | 2021-02-06 | 2021-06-18 | 恒基建设集团有限公司 | Quick mounting structure of bituminous paving prefabricated inspection walling crib |
| CN112575819A (en) * | 2021-02-22 | 2021-03-30 | 中铁九局集团第四工程有限公司 | Manhole cover reinforcing structure and method anchored by using dowel bars and existing pavement foundation |
| WO2021213099A1 (en) * | 2021-02-22 | 2021-10-28 | 中铁九局集团第四工程有限公司 | Structure and method for reinforcing manhole cover anchored with existing road surface foundation by means of dowel bars |
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Application publication date: 20170630 |
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