CN112813844A - Access-protecting passage meeting rapid flood discharge requirement in river channel and construction method - Google Patents
Access-protecting passage meeting rapid flood discharge requirement in river channel and construction method Download PDFInfo
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- CN112813844A CN112813844A CN202110173392.1A CN202110173392A CN112813844A CN 112813844 A CN112813844 A CN 112813844A CN 202110173392 A CN202110173392 A CN 202110173392A CN 112813844 A CN112813844 A CN 112813844A
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- 238000010276 construction Methods 0.000 title claims abstract description 26
- 239000004575 stone Substances 0.000 claims abstract description 15
- 238000005538 encapsulation Methods 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 84
- 239000002344 surface layer Substances 0.000 claims description 13
- 239000010426 asphalt Substances 0.000 claims description 9
- 239000010802 sludge Substances 0.000 claims description 7
- 238000011065 in-situ storage Methods 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 7
- 239000002689 soil Substances 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000001932 seasonal effect Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000012856 packing Methods 0.000 description 3
- 230000013872 defecation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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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
- E01D19/00—Structural or constructional details of bridges
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/08—Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Revetment (AREA)
Abstract
The application discloses satisfy in river course fast flood discharge require protect expert's way and construction method, including crowded silt layer of throwing stone, bed course, culvert pipe, encapsulation concrete layer and road surface course, the bed course lay in the upper portion on the crowded silt layer of throwing stone, the culvert pipe is provided with a plurality of, and is a plurality of the culvert pipe is all laid in the upper portion of bed course, it pours in a plurality of to encapsulate concrete layer in the clearance of culvert pipe, road surface course lay in the upper portion on encapsulation concrete layer. The scheme is suitable for the design of temporary sidewalks for bridge construction in soft foundations and seasonal river courses of shoal river courses, can meet the requirement of water drainage in flood season while meeting the traffic protection requirement, meets the requirement that the elevation of the temporary sidewalks does not change in the construction process through stone throwing and silt squeezing treatment, improves the direct adoption of plain soil or gravel filling, easily causes uneven settlement, influences the use safety, and has high construction cost and long construction period.
Description
Technical Field
The application relates to the technical field of bridge construction, particularly, relate to a guarantee and lead to shit way that satisfies quick flood discharge requirement in river course.
Background
With the gradual increase of the construction of bridge in the river course in recent years, especially northern river course shows characteristics of shallow water, shoal, weak foundation, seasonal cutout more, traditional guarantor's relieving the way has two kinds:
plain soil or broken stones are used for filling, and culvert pipes are buried in the local part to meet the flood discharge requirement;
and (4) using a steel trestle drainage access way.
However, both of the above methods have their own disadvantages, as follows:
the whole and uneven settlement occurs in the later stage of locally burying the culvert pipe by filling plain soil or gravels, and the safety of the vehicle is guaranteed to be communicated on site seriously.
The whole steel trestle used has high cost and long construction period, and can not meet the requirement of quick maintenance.
Disclosure of Invention
The main aim at of this application provides a guarantee to lead to pavement and construction method who satisfies quick flood discharge requirement in river course to directly adopt plain soil or rubble to fill in improving the correlation technique, uneven settlement appears easily, influences safe in utilization, and it is high to adopt steel trestle cost, problem that the construction cycle is long.
In order to achieve the purpose, the application provides a dredging passage meeting the requirement of rapid flood discharge in a river channel, and a stone-throwing and silt-squeezing layer;
the cushion layer is paved on the upper part of the riprap sludge squeezing layer;
the culvert pipes are arranged and are all laid on the upper part of the cushion layer;
the packaging concrete layer is poured in gaps of the culvert pipes;
and the pavement layer is paved on the upper part of the encapsulated concrete layer.
Preferably, the lower part of the stone-throwing and silt-squeezing layer is provided with a plurality of cast-in-situ bored piles which are all inserted into the foundation in the middle of the river channel.
Preferably, the cushion layer is a gravel cushion layer, and the thickness of the cushion layer is 0.08-0.2 m.
Preferably, a plurality of the culvert pipes are all arranged into circular culvert pipes, the diameter of the culvert pipes is 1m-1.5m, and the wall thickness is 0.1-0.3 m.
Preferably, the side walls of a number of said culverts are clearance fitted.
Preferably, the upper wall of the encapsulating concrete layer is flush with the upper walls of several of the culvert pipes.
Preferably, a guardrail is installed on the upper portion of the pavement layer.
Preferably, the guardrail comprises a plurality of upright posts and a plurality of cross beams, the upright posts are equidistantly arranged on the upper part of the pavement layer, and the cross beams are arranged on the side parts of the upright posts.
Preferably, the pavement layer includes a base layer and an asphalt layer, the base layer is laid on the upper portions of the enveloping concrete layer and the culvert pipe, and the asphalt layer is laid on the upper portion of the base layer.
On the other hand, the application also provides a construction method for ensuring and dredging the access way, which meets the requirement of rapid flood discharge in the river channel, and the construction method comprises the following steps:
s1, stone throwing and sludge squeezing: discarding hard rubbles from the center of the river to two sides to extrude silt;
s2, paving a cushion layer: in order to enable the upper culvert pipe to be stressed uniformly, a fine aggregate gravel cushion layer with the thickness of about 0.1m is arranged above the coarse aggregate after the stones are thrown and the silt is squeezed, so that the effect of increasing the contact area of the culvert pipe is achieved;
s3, laying culvert pipes: according to the width of a river channel, culvert pipes are selected for laying, and a certain gap is reserved between culvert sections for upper concrete to pass through, so that the culvert pipes are tightly packed;
s4, pouring and encapsulating concrete: in order to ensure the integral stress performance of the laid culvert pipes, C15 package concrete is poured above the culvert pipes and is vibrated to be compact, and all the culvert pipes are connected into a whole to form a flat surface layer;
s5, pouring the concrete pavement: concrete is uniformly poured on the culvert pipe and the encapsulation concrete to serve as a lane surface layer structure of the traffic lane.
Preferably, in step S1, the riprap thickness is selected to be 0.5-1.5 m.
Preferably, in step S3, the stent is selected to have a diameter of 1.5-2m and a wall thickness of 0.1-0.3 m.
Preferably, in step S5, C20 concrete with a thickness of 20cm is uniformly poured.
The beneficial effect of this application is: the dredging passage meeting the requirement of rapid flood discharge in the river channel is provided, the stability of the support is enhanced through the riprap silt squeezing layer, and the uneven settlement brought by the soft foundation of the river bed is improved; the culvert pipe can be uniformly stressed through the cushion layer; through the culvert pipe, the water in the river channel can conveniently pass; the cavities among the culvert pipes are filled by the encapsulating concrete layer, so that the stress condition of the culvert pipes is improved; the passage way surface layer is convenient to pass; wholly be applicable to the design of the interim temporary way of bridge construction in soft foundation, the seasonal change river course of shoal river course, when satisfying the requirement of guarantor's expert, can satisfy the requirement of flood season drainage, through throwing the crowded silt of stone to handle and satisfy in the work progress way elevation and do not change, improved and directly adopted plain soil or rubble to fill, uneven settlement appears easily, influence safe in utilizationly, adopt the problem of steel trestle cost height, construction period length.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
fig. 1 is a schematic front sectional view of a defecation protecting passage for satisfying a requirement of rapid flood discharge in a river according to an embodiment of the present application;
fig. 2 is an enlarged schematic view at a in fig. 1 of a defecation protecting passage for satisfying a rapid flood discharge requirement in a river according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a base layer and an asphalt layer of a defecation-ensuring passage, which meet the requirement of rapid flood discharge in a river according to an embodiment of the application.
In the figure: 100. a stone throwing and silt layer extruding layer; 110. drilling a cast-in-place pile; 200. a cushion layer; 300. a culvert pipe; 400. encapsulating the concrete layer; 500. a pavement layer; 510. a guardrail; 511. a column; 512. a cross beam; 520. a base layer; 530. and (4) an asphalt layer.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
Referring to fig. 1-3, the present application provides a defecation-promoting passage for emergency relief of flood in a river, which comprises a rubble-throwing and silt-squeezing layer 100, a bed course 200, culvert pipes 300, a packing concrete layer 400 and a road surface layer 500, wherein the bed course 200 is laid on the upper part of the rubble-throwing and silt-squeezing layer 100, the culvert pipes 300 are provided with a plurality of numbers, the culvert pipes 300 are all laid on the upper part of the bed course 200, the packing concrete layer 400 is poured in gaps among the culvert pipes 300, and the road surface layer 500 is laid on the upper part of the packing concrete layer 400.
For better stability, when the stabilization cannot be achieved only by means of the rubble squeezing layer 100, a plurality of cast-in-situ bored piles 110 are arranged at the lower part of the rubble squeezing layer 100, and the cast-in-situ bored piles 110 are all inserted into the foundation in the middle of the river channel.
In order to make the stent 300 supported more stably, the mattress 200 is provided as a gravel mattress, and the thickness of the mattress 200 is 0.08-0.2 m.
In order to facilitate the pouring of the encapsulating concrete layer 400, the side walls of the plurality of culvert pipes 300 are in clearance fit, and the plurality of culvert pipes 300 are all arranged into circular culvert pipes; in order to allow better passage of water in the river channel and to achieve good flood discharge capacity, the plurality of culvert pipes 300 have a diameter of 1m to 1.5m and a wall thickness of 0.1m to 0.3 m.
In order to make the support more smooth, the upper wall of the enveloping concrete layer 400 is flush with the upper walls of the several culvert pipes 300.
In order to increase the safety of traffic, a guardrail 510 is installed on the upper portion of the pavement layer 500, the guardrail 510 comprises a plurality of columns 511 and a plurality of beams 512, the columns 511 are equidistantly installed on the upper portion of the pavement layer 500, and the beams 512 are all installed on the side portions of the columns 511.
During specific setting, the pavement layer 500 comprises a base layer 520 and an asphalt layer 530, the base layer 520 is laid on the upper portions of the encapsulated concrete layer 400 and the culvert pipe 300, the base layer 520 is formed by rolling crushed stone aggregate, the asphalt layer 530 is laid on the upper portion of the base layer 520, and the common thickness of the base layer 520 and the asphalt layer 530 is 18cm-22 cm.
Specifically, the construction method of the passage protection access road meeting the requirement of rapid flood discharge in the river channel comprises the following steps:
in order to solve the problem of uneven settlement caused by the soft foundation of the riverbed, hard rubbles are discarded from the center of the riverway to the two sides to extrude sludge to form a rubble and silt-extruding layer 100, and the thickness of the rubble is selected to be 0.5-1.5m according to the actual situation on site;
in order to ensure that the culvert pipe at the upper part can be uniformly stressed, a fine aggregate gravel cushion layer with the thickness of about 0.08-0.12m is arranged above the coarse aggregate after the stones are thrown and the silt is squeezed, thereby playing the role of increasing the contact area of the culvert pipe;
(1) stone-throwing and silt-squeezing
In order to solve the problem of uneven settlement caused by the soft foundation of the riverbed, hard rubbles are discarded from the center of the riverway to two sides to extrude sludge. According to the actual situation of the site, the thickness of the riprap is selected to be about 0.5-1.5 m.
(2) Laying cushion layer
In order to enable the upper culvert pipe to be stressed uniformly, a fine aggregate gravel cushion layer with the thickness of about 0.1m is arranged above the coarse aggregate after the stones are thrown and the silt is squeezed, so that the effect of increasing the contact area of the culvert pipe is achieved.
(3) Lay culvert pipe
According to the width of a river channel, a culvert joint with the diameter of 1.5m and the wall thickness of 0.2m is selected for laying, and a certain gap is reserved between culvert sections for the upper concrete to pass through, so that the culvert pipe is tightly packed.
(4) Pouring encapsulated concrete
In order to ensure the integral stress performance of the laid culvert pipes, C15 package concrete is poured above the culvert pipes and is vibrated to be compact, and all the culvert pipes are connected into a whole to form a flat surface layer.
(5) Pouring C20 concrete pavement with the thickness of 20cm
And finally, C20 concrete with the thickness of 20cm is uniformly poured on the culvert pipe and the encapsulation concrete to serve as a lane surface layer structure of the traffic passage.
Specifically, this satisfy the structural principle of the clear way of guarantying of the requirement of quick flood discharge in the river course: when the device is used, the stability of the support is enhanced through the riprap silt squeezing layer 100, and the uneven settlement caused by the soft foundation of the river bed is improved; the culvert pipe 300 can be uniformly stressed through the cushion layer 200; through the culvert pipe 300, water in the river channel can conveniently pass through, and good flood discharge capacity is achieved; the cavities between the culvert pipes are filled by the encapsulating concrete layer 400, so that the stress condition of the culvert pipe 300 is improved; the passage way surface layer 500 is convenient to pass; wholly be applicable to the design of the interim temporary way of bridge construction in soft foundation, the seasonal change river course of shoal river course, when satisfying the requirement of guarantor's expert, can satisfy the requirement of flood season drainage, through throwing the crowded silt of stone to handle and satisfy in the work progress way elevation and do not change, improved and directly adopted plain soil or rubble to fill, uneven settlement appears easily, influence safe in utilizationly, adopt the problem of steel trestle cost height, construction period length.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a satisfy in river course fast flood discharge require protect and lead to civilian way which characterized in that includes:
a stone throwing and silt layer extruding layer;
the cushion layer is paved on the upper part of the riprap sludge squeezing layer;
the culvert pipes are arranged and are all laid on the upper part of the cushion layer;
the packaging concrete layer is poured in gaps of the culvert pipes;
and the pavement layer is paved on the upper part of the encapsulated concrete layer.
2. The dredging access passage meeting the requirement of rapid flood discharge in the river channel according to claim 1, wherein a plurality of cast-in-situ bored piles are arranged at the lower part of the riprap sludge squeezing layer and are all inserted into the foundation in the middle of the river channel.
3. The defecation-ensuring passage for meeting the requirement of rapid flood discharge in a river channel as claimed in claim 1, wherein the cushion layer is provided as a gravel cushion layer, and the thickness of the cushion layer is 0.08-0.2 m.
4. The temporary flow protection channel meeting the requirement of rapid flood discharge in a river channel according to claim 1, wherein a plurality of culvert pipes are all arranged into circular culvert pipes, the diameter of the culvert pipes is 1m-1.5m, the wall thickness of the culvert pipes is 0.1 m-0.3 m, the side walls of the culvert pipes are in clearance fit, the upper wall of the encapsulating concrete layer is flush with the upper walls of the culvert pipes, and a guardrail is arranged at the upper part of the channel surface layer.
5. The dredging passage for rapid flood discharge in river channel according to claim 4, wherein the guardrail comprises a plurality of upright posts and a plurality of cross beams, the upright posts are equidistantly installed on the upper part of the road surface layer, and the cross beams are all installed on the side parts of the upright posts.
6. The temporary flow channel for flood protection meeting the requirement of rapid flood discharge in the river channel according to claim 1, wherein the channel surface layer comprises a substrate layer and an asphalt layer, the substrate layer is laid on the upper parts of the enveloping concrete layer and the culvert pipe, and the asphalt layer is laid on the upper part of the substrate layer.
7. A construction method for ensuring and dredging a passage meeting the requirement of rapid flood discharge in a river channel is characterized by comprising the following steps:
s1, stone throwing and sludge squeezing: discarding hard rubbles from the center of the river to two sides to extrude silt;
s2, paving a cushion layer: in order to ensure that the culvert pipe at the upper part can be uniformly stressed, a fine aggregate gravel cushion layer with the thickness of 0.08-0.2m is arranged above the coarse aggregate after the stones are thrown and the silt is squeezed, thereby playing the role of increasing the contact area of the culvert pipe;
s3, laying culvert pipes: according to the width of a river channel, culvert pipes are selected for laying, and a certain gap is reserved between culvert sections for upper concrete to pass through, so that the culvert pipes are tightly packed;
s4, pouring and encapsulating concrete: in order to ensure the integral stress performance of the laid culvert pipes, C15 package concrete is poured above the culvert pipes and is vibrated to be compact, and all the culvert pipes are connected into a whole to form a flat surface layer;
s5, pouring the concrete pavement: concrete is uniformly poured on the culvert pipe and the encapsulation concrete to serve as a lane surface layer structure of the traffic lane.
8. The construction method of the passage way for the rapid flood discharge in the river according to claim 7, wherein the construction method comprises the following steps: in step S1, the thickness of the riprap is selected to be 0.5-1.5 m.
9. The construction method of the passage way for the rapid flood discharge in the river according to claim 7, wherein the construction method comprises the following steps: in step S3, the selected culvert is 1.5-2m in diameter and 0.1-0.3m in wall thickness.
10. The construction method of the passage way for the rapid flood discharge in the river according to claim 7, wherein the construction method comprises the following steps: in step S5, C20 concrete with the thickness of 20cm is uniformly poured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110173392.1A CN112813844A (en) | 2021-02-08 | 2021-02-08 | Access-protecting passage meeting rapid flood discharge requirement in river channel and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110173392.1A CN112813844A (en) | 2021-02-08 | 2021-02-08 | Access-protecting passage meeting rapid flood discharge requirement in river channel and construction method |
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| CN112813844A true CN112813844A (en) | 2021-05-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494047A (en) * | 2021-07-30 | 2021-10-12 | 贵州路桥集团有限公司 | Steel-concrete composite beam cable-stayed bridge |
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| CN111636290A (en) * | 2020-06-16 | 2020-09-08 | 中国电建集团贵阳勘测设计研究院有限公司 | Improved generation overflow bridge structure |
| CN215052148U (en) * | 2021-02-08 | 2021-12-07 | 中交路桥建设有限公司 | A kind of guarantee that meets the rapid flood discharge requirement in the river course leads to the urinal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113494047A (en) * | 2021-07-30 | 2021-10-12 | 贵州路桥集团有限公司 | Steel-concrete composite beam cable-stayed bridge |
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