CN115404757B - Underground pipeline bridge system of lower overpass - Google Patents
Underground pipeline bridge system of lower overpass Download PDFInfo
- Publication number
- CN115404757B CN115404757B CN202211098953.7A CN202211098953A CN115404757B CN 115404757 B CN115404757 B CN 115404757B CN 202211098953 A CN202211098953 A CN 202211098953A CN 115404757 B CN115404757 B CN 115404757B
- Authority
- CN
- China
- Prior art keywords
- bridge
- pipeline
- box culvert
- hidden
- sides
- 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.)
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Links
- 239000004567 concrete Substances 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 7
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000009933 burial Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D18/00—Bridges specially adapted for particular applications or functions not provided for elsewhere, e.g. aqueducts, bridges for supporting pipe-lines
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
- E01F5/005—Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a lower overpass underground pipeline bridge system, which comprises a hidden box culvert and a pipeline channel bridge intersecting the hidden box culvert, wherein the hidden box culvert is in a top open structure at the intersection with the pipeline channel bridge, enclosure structures are respectively arranged at two sides of the hidden box culvert at the intersection, bridge decks are respectively arranged on the top end faces of the enclosure structures at the two sides, the pipeline channel bridge is arranged on the bridge decks at the two ends so as to pass through the hidden box culvert at the top open structure in a corresponding range, the pipeline channel bridge is in a T Liang Huogang connecting plate beam structure with a plurality of external through warehouse bodies, and pipelines are respectively distributed in the through warehouse bodies. The invention has the advantages that: the pipeline transportation method can avoid the transportation of a large number of pipelines, reduce the space resources of the intersecting roads and reduce the transportation cost of the pipelines; the buried depth of the buried box culvert is reduced by about 3m, so that the length of the structure earthing and the approach bridge is reduced, the construction An Fei of the lower overpass engineering is greatly reduced, and the outlet can be far away from a transverse road.
Description
Technical Field
The invention belongs to the technical field of underground pipeline construction, and particularly relates to a lower overpass underground pipeline bridge system.
Background
The lower overpass is also called a underpass, and conventionally, the elevation of the road surface of one of two crossed roads is reduced so as to realize traffic three-dimension. The underpass type overpass is mainly used for the reconstruction and construction of intersections in central urban areas due to the characteristics of small occupied area and small influence on urban space and surrounding environment, and is adopted in a plurality of cities at home and abroad.
When crossing the intersection, the existing pipelines are generally influenced, and a large number of existing pipelines need to be moved around, so that the construction amount is increased, the moving cost is increased, and the space resource utilization rate of the intersecting roads is greatly reduced. As shown in fig. 1 and 2, if the purpose of avoiding the relocation of the existing pipeline 1 is to be achieved, it is generally required to increase the burial depth of the buried box culvert 2 at the intersection with the existing pipeline by about 3m, but if the burial depth of the buried box culvert 2 is increased, not only the soil covering thickness of the structure will be increased, but also the length of the approach bridge will be greatly increased.
Accordingly, an underground pipeline bridge system that can traverse an existing pipeline without moving the existing pipeline and without increasing the depth of burial when traversing an intersection is highly desirable to those skilled in the art.
Disclosure of Invention
According to the defects of the prior art, the invention provides a lower overpass underground pipeline bridge system, which is characterized in that a hidden buried box culvert top plate at the intersection of pipeline channel bridges is eliminated, a plurality of pipeline channel bridges penetrating through bin bodies are erected for the crossing of existing pipelines by taking the enclosure structures at the two sides of the hidden buried box culvert at the intersection as a basis, and the bypassing movement of the existing pipelines or the increase of the burial depth of the hidden buried box culvert are avoided.
The invention is realized by the following technical scheme:
The utility model provides a lower overpass underground pipeline bridge system, its characterized in that lower overpass underground pipeline bridge system include secretly bury the box culvert and with secretly bury the crossing pipeline passageway bridge of box culvert, secretly bury the box culvert with the crossing department of pipeline passageway bridge is the open structure in top, and is provided with envelope respectively in secretly burying the box culvert both sides of crossing department the abutment is provided with the abutment on the envelope terminal surface of both sides respectively, pipeline passageway crane span structure locates on the abutment at both ends, in order to follow the corresponding within range and be the top open structure department secretly bury the box culvert and pass through, pipeline passageway bridge is a T Liang Huogang fishplate bar structure that has a plurality of outsides to link up the storehouse body, each link up the storehouse internal pipeline of having laid respectively.
The top end face of the side wall of the hidden buried box culvert at the top open structure is flush with the top end faces of the enclosing structures adjacent to the two sides, and the bottom face of the bridge abutment is supported on the top end faces of the enclosing structures.
The top surface of the pipeline passage bridge is flush with the top plates of the hidden buried box culverts adjacent to the two sides.
Elastic concrete joints are arranged between the two sides of the pipeline passage bridge and the hidden box culvert structure.
The pipeline passage bridge is formed by assembling a plurality of T beams or rigid plate beams, two ends of each T beam or rigid plate beam are respectively supported on the bridge abutment on two sides, and the space between the adjacent T beams or rigid plate beam webs is enclosed to form the through bin body.
The flanges of the adjacent T beams or the rigid connection plate beams are connected into a whole through a reinforced concrete pouring structure or a steel plate structure.
The underground box culvert is characterized in that a plain concrete cushion layer and a reinforcement body are sequentially arranged below the underground box culvert, and the reinforcement body comprises a plurality of triaxial stirring piles and anti-pulling piles which are distributed at intervals.
The enclosure structure is formed by combining a plurality of drilling piles, and the upper end of the enclosure structure is used as a foundation to support the pipeline passage bridge.
The top surface of the pipeline passage bridge is 50-100cm away from the road leveling design elevation.
The invention has the advantages that:
(1) The pipeline transportation method can avoid the transportation of a large number of pipelines, reduce the space resources of the intersecting roads and reduce the transportation cost of the pipelines;
(2) The buried depth of the hidden box culvert is reduced by about 3m, so that the length of the structure earthing and the approach bridge is reduced, the construction An Fei of the lower overpass project is greatly reduced, and the outlet can be far away from a transverse road;
(3) The operation and maintenance are convenient, and the later operation and maintenance cost is reduced;
(4) The lower structure utilizes the enclosure structure, and the cost of the corresponding structure is saved.
Drawings
FIG. 1 is a schematic diagram of a prior art cross-sectional layout of a buried box culvert intersecting an existing pipeline;
FIG. 2 is a schematic view of a prior art vertical section arrangement of a buried box culvert intersecting an existing pipeline; ;
FIG. 3 is a schematic cross-sectional view of a lower overpass underground line bridge system in accordance with the present invention;
FIG. 4 is a schematic longitudinal section of the lower grade separation underground pipeline bridge system of the present invention;
fig. 5 is an enlarged partial schematic view of fig. 4a in accordance with the present invention.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the following drawings, to facilitate understanding by those skilled in the art:
As shown in fig. 1-5, the labels in the figures are respectively: the building block comprises an existing pipeline 1, a buried box culvert 2, a buried box culvert 3, an abutment 4, a pipeline channel bridge 5, a T beam 5a, a splicing seam 5b, a pipeline 6, an enclosure structure 7, a plain concrete cushion layer 8, a reinforcement 9, a uplift pile 10, an enclosure structure 11 and an elastic concrete splicing seam 12.
Examples: as shown in fig. 3-5, the present embodiment relates to an underground pipeline bridge system of a lower overpass, which mainly includes a hidden box culvert 3 and a pipeline channel bridge 5 intersecting the hidden box culvert 3, and the defect of moving the pipeline or increasing the burial depth of the hidden box culvert 3 is avoided by removing the solid top plate on the hidden box culvert 3 at the intersection, replacing the solid top plate with the pipeline channel bridge 5 having a plurality of hollow through warehouse bodies, and using the enclosure structures 7 at two sides as supporting bases to realize the crossing of the pipeline 6 in the pipeline channel bridge 5.
As shown in fig. 3-5, the hidden box culvert 3 is crossed with the pipeline passage bridge 5 in a cross shape, and the whole hidden box culvert 3 is a standard box culvert with two culverts; the hidden buried box culvert 3 at the intersection position of the two is provided with a solid top plate structure at the top so that the top of the hidden buried box culvert 3 is in an open structure, two sides of the hidden buried box culvert 3 with the open structure at the top are respectively provided with an enclosure structure 7, and the top end surface of the enclosure structure 7 is kept flush with the top end surface of the side wall of the hidden buried box culvert 3; and the two sides of the hidden buried box culvert 3 with the rest top not being opened are also provided with the enclosure structures 11, the top end surface of the enclosure structures 11 is kept flush with the upper surface of the top plate of the hidden buried box culvert 3, but the upper end height of the enclosure structures 11 is higher than the upper end height of the enclosure structures 7. An abutment 4 is respectively arranged on the upper end surfaces of the enclosure structures 7 at the two sides, and the two ends of the pipeline passage bridge 5 are respectively arranged on the abutments 4 at the two ends. An elastic concrete joint 12 is arranged between two sides of the pipeline passage bridge 5 and the enclosure structure 11, the elastic concrete joint 12 can meet the requirements of bridge expansion and contraction and sedimentation difference between a bridge and a buried section and water-proof requirements, and meanwhile, a finished drainage ditch is reserved below the elastic concrete joint 12 and is collected to a drainage pipe, so that water is prevented from directly flowing into a road under the bridge.
As shown in fig. 3-5, after the bridge abutment 4 is arranged and the pipeline passage bridge 5 is erected on the hidden box culvert 3 with the open top, the top surface of the pipeline passage bridge 5 is flush with the top surface of the hidden box culvert 3 with the solid top plate, which is not open at both sides, so that the space utilization rate is fully improved by canceling the operation of the solid top plate, the problem of transverse pipelines in the limited area of the vertical section of the lower overpass is solved, the hidden box culvert 3 is prevented from adopting a method of increasing the buried depth when intersecting the pipeline passage bridge 5, the buried depth of about 3m can be reduced, the pavement structure is directly paved on the top surface of the pipeline passage bridge 5, and the elevation of the top surface of the pipeline passage bridge 5 is 50-100cm away from the designed elevation of the leveling road, which is equivalent to being approximately kept level with the ground.
As shown in fig. 3-5, a plurality of parallel longitudinal through warehouse bodies are arranged at the outer sides of the webs of the adjacent girder structures of the pipeline channel bridge 5, and each through warehouse body is used for the existing pipeline 6 to pass through. In principle, the pipeline passage bridge 5 is only required to be a structure with a plurality of through warehouse bodies, for example, a rigid plate beam structure with a lower beam height can be adopted. However, in this embodiment, a T-beam structure is adopted, the pipeline channel bridge 5 is formed by splicing a plurality of T-beams 5a, the lower ends of webs of the T-beams 5a are supported on the bridge abutment 4, the flanges of adjacent T-beams 5a are connected through a splice seam 5b, the splice seam 5b can be formed by adopting a reinforced concrete pouring mode, the webs and flanges of adjacent T-beams 5a are enclosed together to form a through bin body, and each pipeline 6 can be correspondingly arranged in the through bin body.
As shown in fig. 3 and 4, a plain concrete cushion layer 8 and a reinforcement body 9 are sequentially arranged below the hidden buried box culvert 3, and the plain concrete cushion layer 8 is formed by pouring early-strength plain concrete; the reinforcing body 9 is formed by drawing and reinforcing a plurality of triaxial stirring piles which are distributed at intervals; and a plurality of uplift piles 10 are also arranged in the reinforcement body 9.
It should be noted that, in this embodiment, the enclosure 7 and the enclosure 11 are each composed of a plurality of bored piles, and the depth of the bored pile in the enclosure 7 serving as the foundation of the pipeline passage bridge 5 may be increased as required.
The beneficial effects of this embodiment lie in:
(1) The pipeline transportation method can avoid the transportation of a large number of pipelines, reduce the space resources of the intersecting roads and reduce the transportation cost of the pipelines;
(2) The buried depth of the hidden box culvert is reduced by about 3m, so that the length of the structure earthing and the approach bridge is reduced, the construction An Fei of the lower overpass project is greatly reduced, and the outlet can be far away from a transverse road;
(3) The operation and maintenance are convenient, and the later operation and maintenance cost is reduced;
(4) The lower structure utilizes the enclosure structure, and the cost of the corresponding structure is saved.
Claims (6)
1. The underground pipeline bridge system of the lower overpass is characterized by comprising a hidden box culvert and a pipeline channel bridge intersecting with the hidden box culvert, wherein the hidden box culvert is in a top open structure at the intersection with the pipeline channel bridge, enclosure structures are respectively arranged on two sides of the hidden box culvert at the intersection, bridge decks are respectively arranged on the top end surfaces of the enclosure structures on two sides, pipeline channel bridges are arranged on the bridge decks on two ends so as to pass through the hidden box culvert in a top open structure in a corresponding range, the pipeline channel bridge is a T Liang Huogang connecting plate beam structure with a plurality of external through bin bodies, and pipelines are respectively distributed in the through bin bodies;
The top end face of the side wall of the hidden buried box culvert at the top open structure is flush with the top end faces of the enclosure structures adjacent to the two sides, and the bottom face of the bridge abutment is supported on the top end faces of the enclosure structures;
The top surface of the pipeline passage bridge is flush with the top plates of the hidden buried box culverts adjacent to the two sides;
the pipeline passage bridge is formed by assembling a plurality of T beams or rigid plate beams, two ends of each T beam or rigid plate beam are respectively supported on the bridge abutment on two sides, and the space between the adjacent T beams or rigid plate beam webs is enclosed to form the through bin body.
2. The underground pipeline bridge system of claim 1, wherein elastic concrete joints are arranged between two sides of the pipeline passage bridge and the buried box culvert structure.
3. A lower overpass underground line bridge system in accordance with claim 1, wherein the flanges of adjacent T-beams or rigid slab beams are integrally connected by a reinforced concrete casting structure or a steel plate structure.
4. The underground pipeline bridge system of the lower overpass of claim 1, wherein a plain concrete cushion layer and a reinforcement body are sequentially arranged below the buried box culvert, and the reinforcement body comprises a plurality of triaxial stirring piles and anti-pulling piles which are distributed at intervals.
5. The underground pipeline bridge system of claim 4, wherein the enclosure is formed by combining a plurality of bored piles, and the upper end of the enclosure is used as a foundation to support the pipeline passage bridge.
6. A lower overpass underground pipeline bridge system in accordance with claim 1, wherein the top surface of the pipeline passageway bridge is between 50 cm and 100cm from the road leveling design level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211098953.7A CN115404757B (en) | 2022-09-09 | 2022-09-09 | Underground pipeline bridge system of lower overpass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211098953.7A CN115404757B (en) | 2022-09-09 | 2022-09-09 | Underground pipeline bridge system of lower overpass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115404757A CN115404757A (en) | 2022-11-29 |
| CN115404757B true CN115404757B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211098953.7A Active CN115404757B (en) | 2022-09-09 | 2022-09-09 | Underground pipeline bridge system of lower overpass |
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| CN (1) | CN115404757B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202500096U (en) * | 2012-03-22 | 2012-10-24 | 深圳市兴班建筑工程有限公司 | Rain water box culvert crossing underground pipeline protection device |
| KR20150041847A (en) * | 2013-10-10 | 2015-04-20 | (주)삼현피에프 | Upper structure of eco bridge and construction method thereof |
| JP2016196800A (en) * | 2015-04-02 | 2016-11-24 | 旭コンクリート工業株式会社 | Bridge |
| KR101682541B1 (en) * | 2016-02-25 | 2016-12-07 | 대실테크 주식회사 | Culvert crossing buried pipeline construction and pipeline laying method using the same |
| CN206563130U (en) * | 2017-03-07 | 2017-10-17 | 何小波 | A kind of municipal works rainwater box culvert passes through underground utilities protection device |
| CN211851857U (en) * | 2020-04-01 | 2020-11-03 | 黄河勘测规划设计研究院有限公司 | Advanced support pipe shed structure under silty-fine sand geological condition |
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| CN215406089U (en) * | 2021-05-27 | 2022-01-04 | 浙江大学 | Bury frame underground structure supporting construction based on pier protection demand |
-
2022
- 2022-09-09 CN CN202211098953.7A patent/CN115404757B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202500096U (en) * | 2012-03-22 | 2012-10-24 | 深圳市兴班建筑工程有限公司 | Rain water box culvert crossing underground pipeline protection device |
| KR20150041847A (en) * | 2013-10-10 | 2015-04-20 | (주)삼현피에프 | Upper structure of eco bridge and construction method thereof |
| JP2016196800A (en) * | 2015-04-02 | 2016-11-24 | 旭コンクリート工業株式会社 | Bridge |
| KR101682541B1 (en) * | 2016-02-25 | 2016-12-07 | 대실테크 주식회사 | Culvert crossing buried pipeline construction and pipeline laying method using the same |
| CN206563130U (en) * | 2017-03-07 | 2017-10-17 | 何小波 | A kind of municipal works rainwater box culvert passes through underground utilities protection device |
| CN211851857U (en) * | 2020-04-01 | 2020-11-03 | 黄河勘测规划设计研究院有限公司 | Advanced support pipe shed structure under silty-fine sand geological condition |
| CN213772886U (en) * | 2020-07-31 | 2021-07-23 | 中国市政工程中南设计研究总院有限公司 | Concrete flat opening pipe gallery and pedestrian bridge structure |
| CN215406089U (en) * | 2021-05-27 | 2022-01-04 | 浙江大学 | Bury frame underground structure supporting construction based on pier protection demand |
Non-Patent Citations (2)
| Title |
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| Publication number | Publication date |
|---|---|
| CN115404757A (en) | 2022-11-29 |
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