CN113215995B - Method for constructing bridge road in narrow space - Google Patents

Method for constructing bridge road in narrow space Download PDF

Info

Publication number
CN113215995B
CN113215995B CN202110511873.9A CN202110511873A CN113215995B CN 113215995 B CN113215995 B CN 113215995B CN 202110511873 A CN202110511873 A CN 202110511873A CN 113215995 B CN113215995 B CN 113215995B
Authority
CN
China
Prior art keywords
retaining wall
constructing
bridge
soil
slope
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.)
Active
Application number
CN202110511873.9A
Other languages
Chinese (zh)
Other versions
CN113215995A (en
Inventor
曹建新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Municipal Engineering Design & Research Institute Co Ltd
Original Assignee
Guangzhou Municipal Engineering Design & Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Municipal Engineering Design & Research Institute Co Ltd filed Critical Guangzhou Municipal Engineering Design & Research Institute Co Ltd
Priority to CN202110511873.9A priority Critical patent/CN113215995B/en
Publication of CN113215995A publication Critical patent/CN113215995A/en
Application granted granted Critical
Publication of CN113215995B publication Critical patent/CN113215995B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/18Making embankments, e.g. dikes, dams
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • E02D17/207Securing of slopes or inclines with means incorporating sheet piles or piles
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00Keeping dry foundation sites or other areas in the ground
    • E02D19/06Restraining of underground water
    • E02D19/10Restraining of underground water by lowering level of ground water
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/02Sheet piles or sheet pile bulkheads
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00Materials
    • E02D2300/0004Synthetics
    • E02D2300/0018Cement used as binder
    • E02D2300/002Concrete

Abstract

The invention discloses a method for constructing a bridge road in a narrow space, which comprises the following steps: excavating a mountain body on the back of the existing retaining wall, wherein the excavated mountain body comprises an upper surface, a bottom surface and a slope surface, the upper surface is excavated to the elevation of the top surface of the roadbed, the bottom surface is excavated to the foundation elevation of the existing retaining wall, and the upper surface and the bottom surface are transited through the slope surface; removing the existing retaining wall; constructing a newly-built retaining wall at the original site of the existing retaining wall, and constructing a first row of bridge pile foundations close to the newly-built retaining wall on the bottom surface; backfilling for the first time to the wall top elevation of the newly-built retaining wall; constructing a second row of bridge pile foundations, a bearing platform, piers and a bridge superstructure on the basis of the backfilled soil layer and the slope; and backfilling soil for the second time to the elevation of the top surface of the roadbed, and implementing a pavement structure on the backfilled soil layer and the top of the soil layer. This scheme has opened up a new thinking, can guarantee the safety of construction period massif, provides safe road bed and retaining structure for the wall crown road bed again.

Description

Method for constructing bridge road in narrow space
Technical Field
The invention is used in the field of urban road construction, and particularly relates to a method for constructing a bridge road in a narrow space.
Background
Retaining wall is common structure in urban road engineering construction, and its effect is the safety of assurance urban road in the use. As for the position of the retaining wall, there are generally divided into a shoulder wall and a cutting wall. According to the implementation sequence, firstly, soft foundations below a road bed are processed, after the strength and post-construction settlement of the road bed meet requirements, retaining walls are implemented, and finally, a pavement structure is implemented, and the retaining walls provide safety guarantee for the pavement structure. Retaining wall and road surface structure all have corresponding requirement to the intensity of road bed and post-construction settlement. Common forms of retaining walls in urban roads mainly include gravity type, cantilever type, counterfort type and the like, the height of the gravity type retaining wall can reach 12m, but the quantity of wall body materials is large, and the requirement on bearing capacity is high; the height of the cantilever retaining wall is generally not more than 5m, and the cantilever retaining wall is light and thin, but the foundation width is large, and the requirement on the bearing capacity of the foundation is relatively low; the buttress retaining wall has the height of no more than 15m, saves materials, but has larger foundation width and relatively lower requirement on the bearing capacity of the foundation.
The retaining wall is generally implemented by using a field-built bracket as a template, and requires a spacious field, particularly in the form of the retaining wall with a large foundation. In the application process, abundant experience is accumulated, the technology is mature, but respective problems are also exposed. The gravity retaining wall has large stone consumption, the current environmental protection concept is more and more emphasized by people, and stone saving is a development direction; cantilever type and counterfort formula retaining wall basis are great, need great construction land use, and the influence to current situation traffic is great, and the land use is more.
Referring to fig. 1, a retaining wall at the toe of a mountain, with one side being a mountain and the other side being a building, is similar to a cutting retaining wall in an urban road, and the line of urban road work passes through the mountain above the retaining wall. In order to avoid occupying buildings, the line positions of urban roads are parallel to the retaining walls, the width of the roadbed extends to the upper part of a mountain slope, at the moment, a half-filled and half-dug roadbed is formed, the mountain is required to be dug at one side close to the mountain, soil is required to be filled above the slope, and a roadbed plane is formed. Under the prerequisite that the land used does not increase, need not remove the building, retaining wall height at this moment is higher than current situation retaining wall, and the form of retaining wall is changed into embankment retaining wall by cutting retaining wall. This provides a difficult problem for retaining wall reconstruction and urban road construction in narrow spaces.
Disclosure of Invention
The invention aims to solve at least one technical problem in the prior art and provides a method for constructing a bridge road in a narrow space.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a method for constructing a bridge road in a narrow space comprises the following steps:
excavating a mountain body on the back of the current retaining wall, wherein the excavated mountain body comprises an upper surface, a bottom surface and a slope surface, the upper surface is excavated to the elevation of the top surface of the roadbed, the bottom surface is excavated to the foundation elevation of the current retaining wall, and the upper surface and the bottom surface are transited through the slope surface;
removing the existing retaining wall;
constructing a newly-built retaining wall at the original site of the existing retaining wall, and constructing a first row of bridge pile foundations close to the newly-built retaining wall on the bottom surface;
backfilling for the first time to the wall top elevation of the newly-built retaining wall;
constructing a second row of bridge pile foundations, a bearing platform, piers and a bridge superstructure on the basis of the backfilled soil layer and the slope;
and backfilling soil for the second time to the level of the top surface of the roadbed, and implementing a pavement structure on the backfilled soil layer and the top surface.
In some embodiments, steps are excavated on the sloping surface formed by the excavated mountain, and concrete is sprayed on the sloping surface.
In some embodiments, the newly-built retaining wall comprises a plurality of anti-sliding piles, the anti-sliding piles are distributed at intervals along the extending direction of the newly-built retaining wall, a prefabricated retaining plate is arranged between adjacent anti-sliding piles, the side surfaces of the anti-sliding piles are provided with slots, and a plurality of prefabricated retaining plates are assembled in the slots along the height direction.
In some embodiments, the prefabricated retaining wall board is distributed with a plurality of drainage holes arranged up and down, the drainage holes are connected to a drainage ditch through vertical drainage pipes on the outer side of the newly-built retaining wall, and the drainage holes are provided with a reversed filtering layer on the back side of the newly-built retaining wall.
In some embodiments, the first backfilling is a bubble light soil.
In some embodiments, the road pipeline is laid prior to the second backfilling.
In some embodiments, the secondary backfill soil is a bubble light soil.
In some embodiments, the second backfill is applied to the subgrade outer side to provide a stable slope that transitions to the top of the newly constructed retaining wall.
In some embodiments, the stable slope is provided with steps and covered with tipping soil, and the tipping soil is used for planting vegetation.
One of the above technical solutions has at least one of the following advantages or beneficial effects: the retaining wall is close apart from the building, does not have the construction space, needs look for the construction space on one side of the massif. Meanwhile, one side of the mountain body is closer to a pile foundation of the bridge to be built, and the retaining wall can not be implemented on one side of the mountain body of the existing retaining wall on the premise of not dismantling the existing retaining wall. This scheme provides the complete sets measure of solving this kind of specific situation, opens up the construction space on the current situation barricade is close to massif one side, guarantees the stability of massif side slope simultaneously, provides the space for demolising of retaining wall and rebuilding and bridge construction. This scheme is that the design and the construction of retaining wall in the narrow and small space are rebuild, bridge road have opened up a new thinking, can guarantee the safety of mountain during the construction, provide safe road bed and retaining structure for the wall crown road bed again.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of an initial state of one embodiment of the present invention;
FIG. 2 is a schematic view of the excavated mountain of the embodiment shown in FIG. 1;
FIG. 3 is a schematic view of the embodiment of FIG. 1 with the existing retaining wall removed;
FIG. 4 is a schematic view of the construction of a newly constructed retaining wall and a first row of bridge piles according to the embodiment shown in FIG. 1;
FIG. 5 is a schematic view of the first backfilling of FIG. 1 to the top elevation of the newly constructed retaining wall;
FIG. 6 is a schematic view of a second row of bridge foundations, cap, pier and bridge coping being constructed according to the embodiment shown in FIG. 1;
fig. 7 is a schematic view of a second backfill applied to the top surface level of the subgrade in accordance with the embodiment shown in fig. 1;
FIG. 8 is a schematic view of a pavement structure according to one embodiment shown in FIG. 1;
FIG. 9 is a plan view of one embodiment of the newly constructed retaining wall structure of FIG. 1;
fig. 10 is a top plan view of one embodiment of the newly built retaining wall structure shown in fig. 1.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the present invention, if directions (up, down, left, right, front, and rear) are described, it is only for convenience of describing the technical solution of the present invention, and it is not intended or implied that the technical features referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, it is not to be construed as limiting the present invention.
In the invention, the meaning of "a plurality" is one or more, the meaning of "a plurality" is more than two, and the terms of "more than", "less than", "more than" and the like are understood to exclude the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the present invention, unless otherwise specifically limited, the terms "disposed," "mounted," "connected," and the like are to be understood broadly, and may be, for example, directly connected or indirectly connected through an intermediate medium; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above-mentioned words in the present invention can be reasonably determined by those skilled in the art in combination with the detailed contents of the technical solutions.
Referring to fig. 1, the height of the existing retaining wall 1 is about 6m, the distance from the existing building is about 2m, the distance from the pile foundation of the bridge to be built is about 2m, and the height of the newly-built retaining wall 2 is 10m, and the position of the newly-built retaining wall coincides with the existing retaining wall 1. The existing retaining wall 1 is close to the building 3 and has no construction space; the distance between the retaining wall and the pile foundation of the bridge to be built is short, and no space for implementing retaining walls in other forms is provided.
In view of this, embodiments of the present invention provide a method for constructing a bridge road in a narrow space, and the constructed bridge road includes a bridge located outside and parallel to a retaining wall and a road surface located on a side of the bridge near a mountain, as shown in fig. 8. Specifically, the method for constructing the bridge road in the narrow space comprises the following steps:
referring to fig. 2, in order to ensure the stability of the mountain slope and the construction space of the retaining wall and the bridge pile foundation, a mountain 4 on the back of the retaining wall 1 is excavated, the excavated mountain 4 comprises an upper surface 5, a bottom surface 6 and a slope 7, the upper surface 5 is excavated to the elevation of the top surface of the roadbed, the bottom surface 6 is excavated to the elevation of the foundation of the retaining wall 1, the upper surface 5 and the bottom surface 6 are transited through the slope 7, specifically, in some embodiments, the slope 7 is the slope, the rocky slope 7 is not more than 1:1, and the soil slope 7 is not more than 1: 1.5.
Referring to fig. 3, when the existing retaining wall 1 is removed, the form, width and depth of the foundation of the building 3 need to be controlled before the removal, and the foundation bottom surface 6 of the retaining wall should not exceed the foundation bottom elevation of the building 3, so as to avoid the influence of the removal of the retaining wall on the existing building 3.
Referring to fig. 4, a newly built retaining wall 2 is constructed at the original site of a current retaining wall 1, and after the newly built retaining wall 2 is completed, a first row of bridge piles 8 adjacent to the newly built retaining wall 2 is constructed on a bottom surface 6.
Referring to fig. 5, the soil 9 is backfilled for the first time to the wall top elevation of the newly constructed retaining wall 2.
Referring to fig. 6, a second row of bridge piles, cap, piers and bridge superstructure is constructed on the basis of the backfilled soil layer and the slope 7.
Referring to fig. 7 and 8, the soil is backfilled for the second time 10 to the level of the top surface of the roadbed, and a pavement structure 11 is implemented on the top of the backfilled soil layer and the upper surface 5.
The retaining wall is close to the building 3, has no construction space, and needs to look for the construction space on one side of the mountain 4. Meanwhile, one side of the mountain body 4 is close to a pile foundation of a bridge to be built, and the retaining wall can not be implemented on the premise that the existing retaining wall 1 is not dismantled and is close to one side of the mountain body 4 on the existing retaining wall 1. This scheme provides the complete sets measure of solving this kind of specific situation, opens up the construction space on the current situation barricade is close to 4 one sides of massif, guarantees the stability of 4 side slopes of massif simultaneously, provides the space for demolising of retaining wall and rebuilding and bridge construction. This scheme is that the design and the construction of retaining wall in the narrow and small space are rebuild, bridge road have opened up a new thinking, can guarantee the safety of mountain 4 during the construction, provide safe road bed and retaining structure for the wall crown road bed again.
In some embodiments, referring to fig. 2 and 3, a step is excavated on the slope 7 formed by the excavated mountain 4, the height and width of the step can be set according to needs, for example, both are 50cm, and the step is used for ensuring that the backfill material is better engaged with the side slope of the mountain 4 to form a stable foundation. Concrete is sprayed on the slope surface 7, waterproof measures during construction are made, and the stability of the slope is guaranteed.
In some embodiments, referring to fig. 9 and 10, the newly built retaining wall 2 includes a plurality of anti-slide piles 12, the anti-slide piles 12 are distributed at intervals along the extending direction of the newly built retaining wall 2, and the anti-slide piles 12 can serve as both a support for supporting the hills 4 and the roadbed and a support for supporting both sides of the retaining plate. Be equipped with prefabricated earth guard plate 13 between the adjacent friction pile 12, the friction pile 12 side is equipped with the slot, and a plurality of prefabricated earth guard plates 13 are assembled in the slot along the direction of height. In order to save the construction period and reduce the using amount of stones, the retaining plates are prefabricated in a factory and assembled on site. This embodiment is through adopting stake board formula retaining wall structure, and the retaining wall board is the prefabricated on-the-spot installation of mill, has reduced the on-the-spot support, has practiced thrift the time limit for a project.
Further, the prefabricated retaining wall 13 is provided with a plurality of drainage holes 14 arranged up and down, the drainage holes 14 are connected to a drainage ditch 16 with a cover plate through vertical drainage pipes 15 at the outer side of the newly built retaining wall 2, and the drainage holes 14 are provided with a reversed filter layer 17 at the back side of the newly built retaining wall 2. The drain pipe is connected with the drain hole 14 and is connected to the drainage ditch 16, so that the problem that the wall body is polluted by water flowing through the drain hole 14 is solved, and a good landscape is formed.
In some embodiments, the first backfilling 9 is made of bubble light soil, and the retaining plate of the retaining wall can be used as an outer wall of the bubble light soil, because the bubble light soil can be vertically erected after forming strength, the lateral pressure of the free face is close to 0, and the lateral pressure is reduced compared with the conventional backfilling of soil. The bridge pile foundation is implemented in the place, one side of the bridge pile foundation is located on the side slope, and the problem that common soil is difficult to compact is solved by using bubble light soil.
In some embodiments, the road pipeline is laid prior to the second backfilling 10.
Further, the secondary backfilling 10 is made of bubble light soil, the number of pipelines of the urban road is large, and the problem that a common soil roadbed is difficult to compact is solved by adopting the bubble light soil.
In some embodiments, referring to fig. 7, the second backfill 10 provides a stable slope on the outer side of the subgrade that transitions to the wall top of the newly constructed retaining wall 2.
Further, the stable side slope is provided with steps, covered with edge-covering soil, and vegetation is planted in the edge-covering soil. And an anti-collision guardrail is arranged at the position of the bubble light soil close to the stable slope.
The innovation points of the technical scheme of the embodiment of the invention are three main points, and the first point is that a feasible scheme is provided for rebuilding the cutting retaining wall positioned at the slope toe of the mountain 4 into a embankment retaining wall, wherein two sides of the cutting retaining wall are respectively limited by the building 3 and the bridge pile foundation. The implementation sequence of the retaining wall and the side slope is changed from the conventional from bottom to top, so that the well-known and orderly development of all engineering contents is ensured, and the safety of the mountain 4 in the construction process is also ensured. The second point is that the backfill material of the scheme adopts bubble light soil to replace common roadbed soil, and the problems of more pile foundations and difficult compaction under the conditions of various underground pipelines, slopes and the like are solved. The strength of the bubble light soil is greater than that of common soil, and the bubble light soil has the characteristic of being capable of standing upright after forming the strength, so that the lateral pressure of the side slope on the retaining wall is reduced, and the bubble light soil is favorable. The third point is that a pile plate type retaining wall structure is adopted, and the retaining plate is prefabricated in a factory and installed on site, so that site supports are reduced, and the construction period is saved. The drain pipe is connected with the drain hole 14 and is connected to the drainage ditch 16, so that the problem that the wall body is polluted by water flowing through the drain hole 14 is solved, and a good landscape is formed.
In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope of the claims of the present application.

Claims (9)

1. A method for constructing a bridge road in a narrow space is characterized by comprising the following steps:
excavating a mountain body on the back of the current retaining wall, wherein the excavated mountain body comprises an upper surface, a bottom surface and a slope surface, the upper surface is excavated to the elevation of the top surface of the roadbed, the bottom surface is excavated to the foundation elevation of the current retaining wall, and the upper surface and the bottom surface are transited through the slope surface;
removing the existing retaining wall;
constructing a newly-built retaining wall at the original site of the existing retaining wall, and constructing a first row of bridge pile foundations close to the newly-built retaining wall on the bottom surface;
backfilling soil for the first time to the wall top elevation of the newly-built retaining wall;
constructing a second row of bridge pile foundations, a bearing platform, piers and a bridge superstructure on the basis of the backfilled soil layer and the slope;
and backfilling soil for the second time to the level of the top surface of the roadbed, and implementing a pavement structure on the backfilled soil layer and the top surface.
2. The method for constructing a bridge road in a narrow space according to claim 1, wherein steps are excavated on the slope surface formed by excavating the mountain, and concrete is sprayed on the slope surface.
3. The method for constructing a bridge road in a narrow space according to claim 1, wherein said newly constructed retaining wall includes a plurality of slide-resistant piles, said slide-resistant piles are spaced apart along the extending direction of said newly constructed retaining wall, a prefabricated retaining plate is disposed between adjacent said slide-resistant piles, said slide-resistant piles are provided with slots on the side surfaces thereof, and a plurality of said prefabricated retaining plates are assembled in said slots in the height direction.
4. The method for constructing a bridge road in a narrow space according to claim 3, wherein the prefabricated retaining wall is distributed with a plurality of drainage holes arranged up and down, the drainage holes are connected to a drainage ditch through vertical drainage pipes at the outer side of the newly constructed retaining wall, and the drainage holes are provided with a reverse filter layer at the back side of the newly constructed retaining wall.
5. The method for constructing a bridge and a road in a narrow space according to claim 1, wherein the first backfilling soil is a bubble light soil.
6. A method of constructing a bridge and road in a confined space as claimed in claim 1 wherein the road pipeline is laid prior to the second backfilling.
7. The method for constructing a bridge road in a narrow space according to claim 6, wherein the secondary backfill soil is a bubble light soil.
8. The method for constructing a bridge road in a narrow space according to claim 1, wherein the second backfilling earth is provided on an outer side of the roadbed at a stable side slope which is transited to a top of the newly constructed retaining wall.
9. The method for constructing a bridge road in a narrow space according to claim 8, wherein the stable slope is provided with steps and covered with tipping soil, and vegetation is planted in the tipping soil.
CN202110511873.9A 2021-05-11 2021-05-11 Method for constructing bridge road in narrow space Active CN113215995B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110511873.9A CN113215995B (en) 2021-05-11 2021-05-11 Method for constructing bridge road in narrow space

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110511873.9A CN113215995B (en) 2021-05-11 2021-05-11 Method for constructing bridge road in narrow space

Publications (2)

Publication Number Publication Date
CN113215995A CN113215995A (en) 2021-08-06
CN113215995B true CN113215995B (en) 2022-06-10

Family

ID=77094709

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110511873.9A Active CN113215995B (en) 2021-05-11 2021-05-11 Method for constructing bridge road in narrow space

Country Status (1)

Country Link
CN (1) CN113215995B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113863125B (en) * 2021-09-29 2023-04-28 中国建筑一局(集团)有限公司 Bridge supporting structure on slope for easy-sliding slope and construction method thereof
CN113863145B (en) * 2021-09-29 2023-07-25 中建一局集团华南建设有限公司 Bridge construction method and bridge on slope for easy-sliding slope

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1448370A (en) * 2003-05-07 2003-10-15 河海大学 Air bubble mixed light-weight earth and production method thereof
JP2010116715A (en) * 2008-11-13 2010-05-27 Asurakku:Kk Retaining wall construction method
CN102352590A (en) * 2011-07-27 2012-02-15 河南省交通规划勘察设计院有限责任公司 Method for splicing highfill roadbed by adopting pile-sheet retaining wall
CN105019326A (en) * 2015-06-29 2015-11-04 河南华泰建材开发有限公司 Roadbed structure applied to road widening and construction method
CN106120501A (en) * 2016-08-10 2016-11-16 浙江大学城市学院 Existing barricade section roadbed is spelled width and is increased structure and construction method
CN207987960U (en) * 2018-02-01 2018-10-19 云南新创新交通建设股份有限公司 A kind of highway hard rock Steep Slope Embankment anchor rod foundation Anti-slide Pile Retaining Structure
CN208379357U (en) * 2018-03-20 2019-01-15 中交二公局第一工程有限公司 Change the embankment structure for widening road
CN210395432U (en) * 2019-07-17 2020-04-24 福建第一公路工程集团有限公司 A gravity type retaining wall for cutting slope

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9359725B2 (en) * 2012-07-17 2016-06-07 Council Of Scientific & Industrial Research Stepwise repeated destabilization and stabilization of highly collapsible soil mass by ‘soil nailing technique’ used for construction of railway/road underpass

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1448370A (en) * 2003-05-07 2003-10-15 河海大学 Air bubble mixed light-weight earth and production method thereof
JP2010116715A (en) * 2008-11-13 2010-05-27 Asurakku:Kk Retaining wall construction method
CN102352590A (en) * 2011-07-27 2012-02-15 河南省交通规划勘察设计院有限责任公司 Method for splicing highfill roadbed by adopting pile-sheet retaining wall
CN105019326A (en) * 2015-06-29 2015-11-04 河南华泰建材开发有限公司 Roadbed structure applied to road widening and construction method
CN106120501A (en) * 2016-08-10 2016-11-16 浙江大学城市学院 Existing barricade section roadbed is spelled width and is increased structure and construction method
CN207987960U (en) * 2018-02-01 2018-10-19 云南新创新交通建设股份有限公司 A kind of highway hard rock Steep Slope Embankment anchor rod foundation Anti-slide Pile Retaining Structure
CN208379357U (en) * 2018-03-20 2019-01-15 中交二公局第一工程有限公司 Change the embankment structure for widening road
CN210395432U (en) * 2019-07-17 2020-04-24 福建第一公路工程集团有限公司 A gravity type retaining wall for cutting slope

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
既有线旁深路堑滑坡群整治施工;杨怀志;《铁道建筑技术》;20010630(第03期);第35-37页 *
桩板墙结构加高挡土墙的应用;郑云刚等;《云南电力技术》;20070615(第03期);第40-41页 *
轻质土在高速公路建设中的探索与应用;罗吉庆;《路基工程》;20200220(第01期);第114-117页 *
钢管桩在陡坡路堤挡墙中的应用;唐正辉等;《西部交通科技》;20171030(第10期);第10-13、81页 *

Also Published As

Publication number Publication date
CN113215995A (en) 2021-08-06

Similar Documents

Publication Publication Date Title
CN106836275B (en) Landscape eco-friendly retaining wall for rapidly protecting tillite slope and implementation method
CN113215995B (en) Method for constructing bridge road in narrow space
CN111042053A (en) Permanent temporary combined retaining wall structure in urban hydraulic engineering and construction method thereof
CN111236265A (en) Unilateral waterside bridge foundation pit supporting system and construction method thereof
CN217870559U (en) Inclined wall geomembrane earth-rock cofferdam structure suitable for higher manger plate flood peak of geomembrane
CN113373865B (en) Frame type embankment structure
CN115506382A (en) Construction method for pile plate wall of island building platform
CN211872840U (en) Face combination retaining wall structure forever among urban hydraulic engineering
CN210395432U (en) A gravity type retaining wall for cutting slope
CN210134438U (en) Seasonal river soaks embankment side slope protective structure
CN109403356B (en) Side slope supporting structure
CN210482331U (en) Supporting structure of side slope
CN210561967U (en) Channel structure for improving flood control standard of existing river levee
CN208266895U (en) Cofferdam is built in returning for seabed tunnel point storehouse construction
CN202628108U (en) Caisson structure used as tunnel mouth segment
CN218454378U (en) Retaining wall structure
CN220888175U (en) Bridge head filling embankment structure
CN218346246U (en) Green ecological large-volume structure for treating torrential flood debris flow
CN112695580B (en) Sponge urban road structure and construction method
CN217758142U (en) Structure is widened to half pin-connected panel road bed
CN212077676U (en) Cast-in-place reinforced concrete shed tunnel structure
CN218373649U (en) Highway along-river scouring protection structure for high and steep slope section in mountain ridge region
CN217078251U (en) Foundation ditch road bed backfill structure
CN214782982U (en) Roadbed structure suitable for bridge connection
CN215593875U (en) Novel assembled ecological flood control wall structure that permeates water

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant