CN202247719U - Corresponding corrugated pre-stressed anti-sedimentation culvert pipe for bridge - Google Patents
Corresponding corrugated pre-stressed anti-sedimentation culvert pipe for bridge Download PDFInfo
- Publication number
- CN202247719U CN202247719U CN2011203232869U CN201120323286U CN202247719U CN 202247719 U CN202247719 U CN 202247719U CN 2011203232869 U CN2011203232869 U CN 2011203232869U CN 201120323286 U CN201120323286 U CN 201120323286U CN 202247719 U CN202247719 U CN 202247719U
- Authority
- CN
- China
- Prior art keywords
- bridge
- bellows body
- pipe
- corrugated
- sedimentation
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model relates to a corresponding corrugated pre-stressed anti-sedimentation culvert pipe for a bridge. The corresponding corrugated pre-stressed anti-sedimentation culvert pipe for the bridge comprises a corrugated pipe body and an arc framework arranged in the corrugated pipe body, wherein the arc framework comprises middle-layer circumferential bars, inner-layer longitudinal bars and outer-layer longitudinal bars; the outer sides of the outer-layer longitudinal bars are provided with corrugated circumferential bars; the outer sides or the inner sides of the corrugated circumferential bars are provided with arch reinforcing bars; arc barrel pipes are arranged among the outer-layer longitudinal bars and the corrugated circumferential bars; steel strands, which produce pre-stressing forces by tensioning two ends and are fixed by anchorage devices, are arranged in the arc barrel pipes; and two sides of the corrugated pipe body are provided with support plates. The advantages are that the corresponding corrugated pre-stressed anti-sedimentation culvert pipe for the bridge belongs to the structure innovation; a novel way of double-faced corrugated grooves and double-faced corrugated arches is adopted; the corrugated pipe body can be promoted to generate circumferential stress and longitudinal stress; the inner diameter of the corrugated pipe body can be increased under the circumferential stress and the longitudinal stress; vertical culvert pipe bridges can be built in mountains and slopes; and horizontal multi-hole shunt-wound culvert pipe bridges can be built in rivers with wide river surfaces and shallow water levels.
Description
Technical field
The utility model relates to the anti-sedimentation bridge of corresponding shape ripple prestressing force culvert pipe.
Background technology
Opportunity to develop has been created in greatly developing to the prestressing force industry of speedway, high-speed railway, through applying widely to the maturity period.In the process of implementing big transportation network strategy, the conveyance system part of local road has been built up benefited, and among part was being built, some was in the planning and designing stage.Because receive the influence of bridge construction industry, the mode of construction of local road bridge all is prestressing force plate-girder and case beam, therefore when building the high standard bridge, also will inevitably improve construction costs.Under the restriction of high cost, the progress that has had influence on planning in fact and built.
China is vast in territory, and regional disparity property is big especially, and geological condition, execution conditions are also complicated especially, go into the main line of communication in length and breadth because of a large amount of mountains and rivers, Gou Po, river, swag, lake are arranged, and the quantity of for this reason building foot bridge, jackshaft is many especially, invests also big especially.How utilizing local supplies, how to utilize existence conditions, how to implement local road planning, is a very problem of the research of value really.The process of building along with urbanization in recent years; It is more and more to build harmonious ecological conveyance system, standard is also increasingly high, and the engineering of going sightseeing has all adopted the gate-type structure of abutment, bridge pier, bridge; Be difficult to be complementary, also be difficult to reach the standard-required of gardens culture with local landscape.How under the condition of phytal zone, big river surface, subgrade, build not only attractive in appearance, not only environmental protection, have energy-conservation, coordination but also durable bridge engineering are arranged equally also is the problem of a very worth research.
Western mountainous areas has a lot of areas all to exist very difficult current present situations such as the river is big, ditch depth, slope height, river width, proves further that at this innovation of research bridge construction is necessary.According to highway, railway, bridge " design specifications "; According to each regional working condition; Related request according to cultural industry; Develop the anti-sedimentation bridge of the corresponding shape ripple prestressing force culvert pipe of a kind of " handsome in appearance generous, rational in infrastructure durable, construction cost is cheap ", be used for replacing, abutment, beam body and the pile foundation of little bridge have special practical value.
The utility model content
The utility model technical problem to be solved provides the anti-sedimentation bridge of a kind of corresponding shape ripple prestressing force culvert pipe, can improve resistance to compression, the cracking resistance of bellows body, the performance of antidetonation, is suitable for creating superhuge culvert pipe bridge.
The utility model adopts following technical scheme: the anti-sedimentation bridge of a kind of corresponding shape ripple prestressing force culvert pipe comprises bellows body and the circular arc skeleton that is arranged in the bellows body; Described circular arc skeleton comprises middle level ring muscle, the vertical muscle of nexine and outer vertical muscle; Arranged outside at the vertical muscle of skin has the corrugated ring muscle; In the outside of corrugated ring muscle or the inboard be provided with and add the arch muscle; Between vertical muscle of skin and corrugated ring muscle, be provided with the arc bobbin, in the arc bobbin, be provided with the steel strand that stretch-draw generation prestressing force is fixed with ground tackle through two ends, be provided with gripper shoe in the bellows body both sides; Middle part or end at bellows body are provided with the butt joint pipe seam, are provided with the overcoat adhesive tape in the outside of butt joint pipe seam.
Between said corrugated ring muscle and outer vertical muscle, be provided with the arc bobbin that adds arch muscle location along the equally distributed usefulness of axis of said bellows body, in the arc bobbin, be provided with and intersect relatively through two ends more than one and opposing stretch-draw produces prestressing force with the fixing steel strand of ground tackle.
Both sides at described bellows body are provided with gripper shoe; Between the parallel corresponding gripper shoe of bellows body tie-beam is set; In said gripper shoe, be provided with vertical bobbin, vertically be provided with the steel strand that stretch-draw generation prestressing force is fixed with ground tackle through one or both ends more than in the bobbin.
Steel strand or casing steel twisted wire are set in described arc bobbin; Vertically in the bobbin steel strand or casing steel twisted wire are being set.
Be provided with the pipe end periphery in the end of described bellows body, be provided with the butt joint pipe seam, the overcoat adhesive tape is arranged in the arranged outside of docking pipe seam in the end of adjacent corrugations body.
At the sidepiece of bellows body or top two-sided wave groove and two-sided ripple arch are set, gripper shoe are set, limiting plate is arranged in the arranged outside of gripper shoe in the bottom of bellows body.
Be provided with mouth of pipe wall in the end of bellows body, be provided with aliform, the dash cover plate is set on the top of mouth of pipe wall and aliform in the both sides of mouth of pipe wall.
Said gripper shoe is located at said bellows body upper and lower, below being positioned at the gripper shoe of bottom, is provided with pipe base plinth.
The utility model good effect is following: the utility model is a foundation with highway, railway, bridge " design specifications ", is the basis with the local road present situation, the all-in-one-piece prestressed concrete culvert pipe with great of optimal design.Adopt the new model of circular arc ripple prestressed structure; Adopt intersection, the new technology of opposing stretch-draw, new technology relatively; Can process the bellows body of diameter more than 3 ~ 30 meters, as make disciform flat or the maximum endoporus height of vertical bellows body and width and can reach more than 3 ~ 50 meters.Utilize the ground condition in mountains and rivers, Gou Po, river; The superhuge bellows body of cast in situs; Through to concrete bellows body precharge pressure; Impel bellows body to form centripetal-stress, thereby can offset because all or part of tensile stress that inside and outside load produces, guarantee that the cracking under the state of compressive stress and tensile stress does not appear in established centripetal-stress bellows body.Adopt the new technology that vertically connects, guarantee that super-huge bellows body inconsistent phenomenon can not occur.
The anti-sedimentation bridge of monolithic prestressing force ripple culvert pipe belongs to structure innovation; Adopt the new mode of two-sided wave groove and two-sided ripple arch; Can promote bellows body to form circumference stress and longitudinal stress; Under the state of biaxial stress, can strengthen the internal diameter of bellows body, can in mountains and rivers, ditch slope, build vertical culvert pipe bridge, the culvert pipe bridge that can also in wide river surface, river, shallow water position, build the flat porous and connect.
Description of drawings
Accompanying drawing 1 is the utility model bellows body structural representation.
Accompanying drawing 2 is the utility model bellows body section structure sketch map.
Accompanying drawing 3 is the utility model reinforcing rib and arc bobbin location sketch map.
Accompanying drawing 4 is the utility model bobbin section enlarged diagram.
Accompanying drawing 5 is the utility model bellows body side elevation structural representation.
Accompanying drawing 6 is the vertical section structure sketch map of the utility model bellows body.
Accompanying drawing 7 is the positive facade structural representation of the utility model bellows body.
Accompanying drawing 8 is for the utility model bellows body and link the structure sketch map.
In the accompanying drawings: 1 bellows body, 2 middle levels ring muscle, the vertical muscle of 3 nexines, 4 outer vertical muscle, 5 corrugated ring muscle, 6 arc bobbins, 7 add arch muscle, 8 pipe end peripheries, 9 two-sided wave grooves, 10 two-sided ripple arches, 11 gripper shoes, 12 steel strand, 13 ground tackles, 14 casing steel twisted wires, 15 vertical bobbins, 16 butt joint pipe seams, 17 overcoat adhesive tapes, 18 limiting plates, 19 pipe base plinth, 20 mouth of pipe walls, 21 aliforms, 22 dash cover plates, 23 roadbeds, 24 tie-beams.
The specific embodiment
Following structure accompanying drawing is done detailed argumentation with the utility model:
Shown in accompanying drawing 1, the utility model comprises concrete bellows body 1 and the circular arc skeleton of being processed by ring muscle and vertical muscle that is arranged in the bellows body 1; Described circular arc skeleton is made up of middle level ring muscle 2, the vertical muscle 3 of nexine, outer vertical muscle 4; Arranged outside at outer layer ring muscle 4 has corrugated ring muscle 5; The outside or inboard at corrugated ring muscle 5 are provided with reinforcing rib 7; Between outer layer ring muscle 4 and corrugated ring muscle 5, be provided with arc bobbin 6, be connected with outer vertical muscle 4, be provided with pipe end periphery 8 in the bellows body end at the two ends of corrugated ring muscle 5; In the bottom of pipe end periphery 8 gripper shoe 11 is set, wave groove 9 and ripple arch 10 is arranged in the outer setting of bellows body 1.
Shown in accompanying drawing 1 or 2, the utility model comprises concrete bellows body 1 and the circular arc skeleton of being processed by ring muscle and vertical muscle that is arranged in the bellows body 1; Described circular arc skeleton is made up of middle level ring muscle 2, the vertical muscle 3 of nexine and outer vertical muscle 4; Arranged outside at outer layer ring muscle 4 has corrugated ring muscle 5; Between corrugated ring muscle 5 and outer vertical muscle 4, be provided with arc bobbin 6, in arc bobbin 6, be provided with more than one through intersection, opposing stretch-draw produce prestressing force is fixed on gripper shoe 11 upper and lower planes with ground tackle 13 steel strand 12 relatively.
Shown in accompanying drawing 1 or 2; The utility model comprises concrete bellows body 1 and vertical what the corrugated ring muscle 5 of muscle of skin that is arranged in the bellows body 1; Be connected with adding arch muscle 7; Between vertical muscle 4 of skin and corrugated ring muscle 5, be provided with arc bobbin 6, in arc bobbin 6, be provided with through stretch-draw and produce prestressed steel strand 12.
Shown in accompanying drawing 3 or 4; The utility model is provided with the steel strand of fixing with ground tackle through stretch-draw more than 1 12 in arc bobbin 6; In arc bobbin 6, also casing steel twisted wire 14 can be set, casing steel twisted wire 14 also can be provided with separately, also can merge with steel strand 12 to be provided with.
Like accompanying drawing 1, shown in 5; The utility model comprises concrete bellows body 1 and is arranged on and is provided with a flat mouthful of butt joint pipe seam 16 between the pipe end periphery 8 of adjacent corrugations body 1 end; The overcoat adhesive tape 17 of flat spirogyrate in the arranged outside of flat mouthful of butt joint pipe seam 16 has; Be provided with gripper shoe 11 in bellows body 1 bottom; Skin in gripper shoe 11 is provided with limiting plate 17, and the bottom through pipe end periphery 8 is connected and becomes I shape, is provided with two-sided wave groove 9 and two-sided ripple arch 10 in the upper and lower of bellows body.
Shown in accompanying drawing 1 or 6; The utility model comprises concrete bellows body 1 and the arc bobbin 6 that is arranged in the bellows body 1, and the gripper shoe 11 in bellows body 1 upper and lower part is provided with through relative intersection, opposing stretch-draw generation prestressing force in the both sides of upper and lower gripper shoe 11; Steel strand 12 with ground tackle 13 anchorings; In upper and lower gripper shoe, be provided with vertical bobbin 15, be provided with pipe base plinth 19 in the bottom of following stay pipe 11, be provided with roadbed 23 in the both sides of bellows body 1.
Shown in accompanying drawing 1 or 7; Comprise bellows body 1 and the pipe end periphery 8 that is arranged on bellows body 1 end; Outer setting at pipe end periphery 8 has mouth of pipe wall 20, is provided with aliform 21 in the both sides of mouth of pipe wall 20, is provided with dash cover plate 22 on the top of mouth of pipe wall 20 and aliform 21.
Shown in accompanying drawing 1 or 8; The utility model comprises concrete bellows body 1 and the gripper shoe 11 that is arranged on bellows body 1 both sides, is provided with gripper shoe 11 in adjacent corrugations body 1 both sides, at the middle part of gripper shoe 11 tie-beam 24 is set; Arc bobbin 6 is set in bellows body 1; In arc bobbin 6, be provided with relative intersection, opposing stretch-draw with the fixing steel strand 12 of ground tackle 13, in the outside portion of gripper shoe 11 limiting plate 18 is set, be provided with pipe base plinth 19 in the bottom of gripper shoe 11.
The utility model adopts the new model of circular arc ripple prestressed structure; At the bellows body inwall plane is set; At the bellows body outer wall two-sided wave groove and two-sided ripple arch are set, through intersection, opposing stretch-draw impel bellows body to form " biaxial stress " relatively.At the bellows body outer wall two-sided wave groove and two-sided ripple arch are set; Not only can practice thrift constructional materials and reduce construction costs; Can also improve the workmanship of pontic and roadbed; Can effectively carry out concavo-convex the combination with the clay or the other materials of pontic and roadbed, can strengthen the globality of structure, guarantee can not be subjected to displacement phenomenon.Under the stress effect of two-directional corrugations arch, can guarantee that bellows body can not be out of shape, axial crack can not appear, can confirm the size of bellows body according to the size on mountains and rivers, ditch slope, also can build vertical culvert pipe bridge, also can build flat culvert pipe bridge.
The utility model is provided with tie-beam between the adjacent corrugations body; Can and connect together the porous bellows body; Be particularly suitable for wide river surface, shallow water position, long construction distance and that connect the culvert pipe bridge; Can be built into straight bridge, also can build embayment line bridge, reach not only attractive in appearance, not only practical, not only science, not only environmental protection but also energy-conservation high standard requirement.
The utility model can be used for ecological engineering; Can the culvert pipe bridge that height combines, size combines be set by the garden art requirement, can also build the sewers of long distance, connect with longitudinal prestressing; Can form 30 ~ 500 meters long pipeline sections; It is water-tight to guarantee that the butt joint pipe seam does not seep water, and reaches the high standard requirement of ecological engineering, becomes real green engineering.
The maximum characteristics of the utility model are that structure is unique, and adaptive capacity is strong especially, is particularly suitable for the loess plateau of western mountainous areas, can be the artificial horizon face that is the gully everywhere, be linked to be the real Plain that is connected with the culvert pipe bridge.Wide now, isometric, etc. high bridge cost compare, the cost of culvert pipe bridge only accounts for about 1/3rd of bridge total cost.
The anti-sedimentation bridge of corresponding shape ripple prestressing force culvert pipe; The bridge engineering that is used for the local road that can be a large amount of; The special conveyance system that also can be used for speedway, high-speed railway engineering; Also can be used for municipal engineering, also can be used for the water delivery engineering of low hydraulic pressure, long distance, also can build large-scale water transfer pipe network engineering in the Plain.
Claims (8)
1. the anti-sedimentation bridge of a corresponding shape ripple prestressing force culvert pipe is characterized in that: comprise bellows body (1) and be arranged on the circular arc skeleton in the bellows body (1); Described circular arc skeleton comprises middle level ring muscle (2), the vertical muscle (3) of nexine and outer vertical muscle (4); Arranged outside at the vertical muscle (4) of skin has corrugated ring muscle (5); In the outside of corrugated ring muscle (5) or the inboard be provided with and add arch muscle (7); Between vertical muscle (4) of skin and corrugated ring muscle (5), be provided with arc bobbin (6); In arc bobbin (6), be provided with the steel strand (12) that stretch-draw generation prestressing force is fixed with ground tackle (13) through two ends; Be provided with gripper shoe (11) in bellows body (1) both sides, be provided with butt joint pipe seam (16), be provided with overcoat adhesive tape (17) in the outside of butt joint pipe seam (16) in the middle part or the end of bellows body (1).
2. according to the anti-sedimentation bridge of claims 1 described corresponding shape ripple prestressing force culvert pipe; It is characterized in that: between said corrugated ring muscle (5) and outer vertical muscle (4), be provided with the arc bobbin (6) that adds arch muscle (7) location along the equally distributed usefulness of axis of said bellows body (1), in arc bobbin (6), be provided with and intersect relatively through two ends more than one and opposing stretch-draw produces the steel strand (12) that prestressing force is fixed with ground tackle (13).
3. according to claims 1 or the anti-sedimentation bridge of 2 described corresponding shape ripple prestressing force culvert pipe; It is characterized in that: be provided with gripper shoe (11) in the both sides of described bellows body (1); Between the parallel corresponding gripper shoe of bellows body (1) (11) tie-beam (24) is set; In said gripper shoe (11), be provided with vertical bobbin (15), vertically be provided with the steel strand (12) that stretch-draw generation prestressing force is fixed with ground tackle (13) through one or both ends more than in the bobbin (15).
4. according to claims 1 or the anti-sedimentation bridge of 2 described corresponding shape ripple prestressing force culvert pipe, it is characterized in that: steel strand (12) or casing steel twisted wire (14) are set in described arc bobbin (6); Vertically in the bobbin (15) steel strand (12) or casing steel twisted wire (14) are being set.
5. according to claims 1 or the anti-sedimentation bridge of 2 described corresponding shape ripple prestressing force culvert pipe; It is characterized in that: be provided with pipe end periphery (8) in the end of described bellows body (1); Be provided with butt joint pipe seam (16) in the end of adjacent corrugations body (1), overcoat adhesive tape (17) arranged in the arranged outside of docking pipe seam (16).
6. according to claims 1 or the anti-sedimentation bridge of 2 described corresponding shape ripple prestressing force culvert pipe; It is characterized in that: sidepiece or top at bellows body (1) are provided with two-sided wave groove (9) and two-sided ripple arch (10); In the bottom of bellows body (1) gripper shoe (11) is set, limiting plate (18) is arranged in the arranged outside of gripper shoe (11).
7. according to claims 1 or the anti-sedimentation bridge of 2 described corresponding shape ripple prestressing force culvert pipe; It is characterized in that: be provided with mouth of pipe wall (20) in the end of bellows body (1); Be provided with aliform (21) in the both sides of mouth of pipe wall (20), dash cover plate (22) be set on the top of mouth of pipe wall (20) and aliform (21).
8. according to claims 1 or the anti-sedimentation bridge of 2 described corresponding shape ripple prestressing force culvert pipe; It is characterized in that: said gripper shoe (11) is located at said bellows body (1) upper and lower, below being positioned at the gripper shoe of bottom (11), is provided with pipe base plinth (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203232869U CN202247719U (en) | 2011-08-31 | 2011-08-31 | Corresponding corrugated pre-stressed anti-sedimentation culvert pipe for bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203232869U CN202247719U (en) | 2011-08-31 | 2011-08-31 | Corresponding corrugated pre-stressed anti-sedimentation culvert pipe for bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202247719U true CN202247719U (en) | 2012-05-30 |
Family
ID=46108981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203232869U Expired - Fee Related CN202247719U (en) | 2011-08-31 | 2011-08-31 | Corresponding corrugated pre-stressed anti-sedimentation culvert pipe for bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202247719U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993561A (en) * | 2014-04-08 | 2014-08-20 | 北京市政路桥股份有限公司 | Pipe assembling device for small-span steel corrugated pipe bridge culvert |
| CN105625200A (en) * | 2015-12-25 | 2016-06-01 | 中国水利水电第十三工程局有限公司 | Hole body construction method of reinforced concrete porous circular pipe culvert |
| CN112227236A (en) * | 2020-10-22 | 2021-01-15 | 杨华生 | Culvert pipe structure strengthening processing method |
| CN114045743A (en) * | 2021-11-19 | 2022-02-15 | 中国建筑第八工程局有限公司 | Carbon fiber prestressed tendon T-shaped beam and preparation method thereof |
-
2011
- 2011-08-31 CN CN2011203232869U patent/CN202247719U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993561A (en) * | 2014-04-08 | 2014-08-20 | 北京市政路桥股份有限公司 | Pipe assembling device for small-span steel corrugated pipe bridge culvert |
| CN103993561B (en) * | 2014-04-08 | 2016-06-08 | 北京市政路桥股份有限公司 | A kind of little of footpath corrugated steel pipe bridges and culverts pipe sheet assembling device |
| CN105625200A (en) * | 2015-12-25 | 2016-06-01 | 中国水利水电第十三工程局有限公司 | Hole body construction method of reinforced concrete porous circular pipe culvert |
| CN112227236A (en) * | 2020-10-22 | 2021-01-15 | 杨华生 | Culvert pipe structure strengthening processing method |
| CN114045743A (en) * | 2021-11-19 | 2022-02-15 | 中国建筑第八工程局有限公司 | Carbon fiber prestressed tendon T-shaped beam and preparation method thereof |
| CN114045743B (en) * | 2021-11-19 | 2024-03-19 | 中国建筑第八工程局有限公司 | Carbon fiber prestress tendon T-shaped beam and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104195959B (en) | A kind of prefabricated Wavelike steel webplate PC i beam turns combination box bridge construction technique | |
| CN207348091U (en) | A kind of assembled pipe gallery | |
| CN104805866A (en) | Prefabricated comprehensive pipe gallery and construction method | |
| CN204753627U (en) | Prefabricated comprehensive piping lane | |
| CN202247719U (en) | Corresponding corrugated pre-stressed anti-sedimentation culvert pipe for bridge | |
| CN104260199A (en) | Prefabricating construction process for corrugated steel web prestressed concrete I-shaped beam | |
| CN109853353A (en) | A kind of spacial special-shaped arch bridge and its construction method | |
| CN207498985U (en) | A kind of partial precast assembly steel concrete combination underground pipe gallery for exempting from template | |
| CN107268675A (en) | Laying method and structure of combined multi-bin underground comprehensive pipe gallery | |
| CN203238642U (en) | Supporting retaining wall of foundation pit | |
| CN208293597U (en) | A kind of super plane size well foundation structure | |
| CN203904857U (en) | Precast-concrete three-arch culvert pipe | |
| CN109881661A (en) | Assembled underground continuous wall transverse connection structure | |
| CN206859259U (en) | A kind of pipe gallery | |
| CN202247718U (en) | Multifunctional corrugated prestressed deformation-resistance roadbed culvert pipe | |
| CN206070724U (en) | The structure at design large span deep buried metro station is combined using Y shape pillar with uplift pile | |
| CN211079875U (en) | Soil covering corrugated steel plate bridge based on gravel grouting filling layer | |
| CN107152034A (en) | A kind of pipe gallery and its construction method | |
| CN102392417B (en) | Dual-cantilever bearing support structure for large steel pipe and installation method | |
| CN104612142A (en) | Integral abutment bridge structure based on composite flexible piles and construction method thereof | |
| CN111305267A (en) | UHPC prefabricated assembled comprehensive pipe gallery flat curve connecting segment structure and construction method | |
| CN202324155U (en) | Adjustable corrugated prestress anti-pollution drainage culvert | |
| CN207122021U (en) | Assembled bolt connection concrete-filled steel tube shear wall | |
| CN205530345U (en) | Modular many storehouses utility tunnel structure | |
| CN212000674U (en) | Novel reverse construction method assembly type non-pressure culvert |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20150831 |
|
| EXPY | Termination of patent right or utility model |