CN107938457A - A kind of neighbouring the express highway roadbed of existing Subway Facilities fills out river structure and construction method - Google Patents
A kind of neighbouring the express highway roadbed of existing Subway Facilities fills out river structure and construction method Download PDFInfo
- Publication number
- CN107938457A CN107938457A CN201711418043.1A CN201711418043A CN107938457A CN 107938457 A CN107938457 A CN 107938457A CN 201711418043 A CN201711418043 A CN 201711418043A CN 107938457 A CN107938457 A CN 107938457A
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- CN
- China
- Prior art keywords
- gabion
- galvanizing steel
- steel
- galvanizing
- zinc
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/18—Making embankments, e.g. dikes, dams
-
- 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
Abstract
The present invention relates to a kind of the express highway roadbed of neighbouring existing Subway Facilities to fill out river structure, including zinc-coated wire grid, galvanizing steel gabion, steel plastotype TGXG and graded broken stone loaded filter；The galvanizing steel gabion is box-shaped, and galvanizing steel gabion sets hexagon mesh, and the stone ectonexine filled out in galvanizing steel gabion is of different sizes, and outer layer uses ratchel, and stone corner angle is protruded mesh protection steel wire, and internal layer is used compared with finger stone；River bottom is galvanizing steel gabion, and galvanizing steel gabion is with step upper berth to flood level absolute altitude.The beneficial effects of the invention are as follows：Using reinforced gabion earth-filling method, there is the advantages such as stability is high, speed of application is fast；Fill out section roadbed reinforced gabion and fill the weak spot for avoiding subway inlet-outlet line open excavation section and shield tunnel junction, greatly reduce disturbance of the construction to subway；The disturbance risk for reducing engineering construction at the same time, can guarantee that construction quality, ensure that successive projects construction application has good prospects.
Description
Technical field
The present invention relates to a kind of neighbouring the express highway roadbed of existing Subway Facilities to fill out river structure and construction field, it is specific and
Speech is that a kind of neighbouring the express highway roadbed of existing Subway Facilities fills out river structure and construction method.
Background technology
As urbanization process constantly accelerates, urban track traffic facility ever more important.Building the process of highway
In, since geographical environment is limited, there are the restriction of construction period and the limitation of cost, certain section of roadbed is relocated in expressway temporarily may
In river, for the subgrade construction positioned at river bank, Rational structure need to be set, not only ensured constructing tunnel operation security, but also energy
Reduce the deformation of roadbed, therefore need to carry out filling out river construction before roadbed filling, the effect of stiffening basic ground directly affects the later stage
The safety and construction quality of foundation pit construction.By the contrast of various river back filled regions reinforcement process, and incorporation engineering is actual general
Condition, it is proposed that a kind of neighbouring the express highway roadbed of existing Subway Facilities fills out river structure and construction method.Rationally handle city well
Correlation between road and track traffic, could allow various transport needs more preferably to be met.Therefore it is reasonable in economy
On the premise of, a kind of normal operation of neither influence track traffic is found, and can meet the technical scheme of urban road construction
Seem extremely important.
The content of the invention
The purpose of the present invention is overcome deficiency of the prior art, there is provided a kind of highway of neighbouring existing Subway Facilities
Roadbed fills out river structure and construction method.
It is a further object to provide a kind of neighbouring the express highway roadbed of existing Subway Facilities to fill out river structure.This
The purpose of invention is achieved through the following technical solutions：
This neighbouring the express highway roadbed of existing Subway Facilities fills out river structure, including zinc-coated wire grid, galvanizing steel
Gabion, steel plastotype TGXG and graded broken stone loaded filter；The galvanizing steel gabion is box-shaped, and galvanizing steel gabion sets hexagonal
Shape mesh, the stone ectonexine filled out in galvanizing steel gabion is of different sizes, and outer layer use ratchel, and makes stone corner angle protrusion
Mesh protects steel wire, and internal layer is used compared with finger stone；River bottom is galvanizing steel gabion, and galvanizing steel gabion is with step
Spread to flood level absolute altitude；Every layer of galvanizing steel gabion top surface sets zinc-coated wire grid to be fixed by U-shaped nail, the zinc-coated wire
Grid anti-package tenses；Steel plastotype TGXG is set on the galvanizing steel gabion of top surface；Steel plastotype TGXG upper outside is set
Galvanizing steel gabion is put, graded broken stone loaded filter is filled in inner side, and zinc-coated wire grid is set on galvanizing steel gabion and anti-package is drawn
Tightly, zinc-coated wire grid upper outside sets galvanizing steel gabion, and cement concrete is filled to roadbed top surface absolute altitude in inner side.
The galvanizing steel gabion dress stone grain footpath is 8cm~15cm.
The compactness for filling graded broken stone loaded filter is not less than 96%.
The express highway roadbed construction method for filling out river structure of this neighbouring existing Subway Facilities, comprises the following steps：
1) dredging under urban river water is first carried out before constructing, confirms conveyance conduit and landline；
2) galvanizing steel gabion shop fixtures is carried out to river first layer；
3) first layer galvanizing steel gabion top surface places zinc-coated wire grid, is fixed on galvanizing steel gabion using U-shaped nail
On, anti-package tenses after the placement of second layer galvanizing steel gabion；
4) repeat step 3) zinc-coated wire grid and 3~5 layers of galvanizing steel gabion are placed to flood level absolute altitude；
5) use road roller to be rolled with travel speed no more than 2km/h, when constructing close to subway end, slow down travel speed；
6) steel plastotype TGXG is placed on top surface galvanizing steel gabion, steel plastotype TGXG upper outside places plating
Graded broken stone loaded filter is filled in zinc reinforced gabion, inner side, and compactness is not less than 96%；
7) zinc-coated wire grid is placed on the galvanizing steel gabion of top layer and anti-package tenses, outside zinc-coated wire grid top
Galvanizing steel gabion is placed in side, and cement concrete is filled to roadbed top surface absolute altitude in inner side；
8) pavement structure and appurtenant work construction：Include the construction of the appurtenant works such as inlet for stom water and branch pipe, pavement.
The beneficial effects of the invention are as follows：Using reinforced gabion earth-filling method, it is excellent to have that stability is high, speed of application is fast etc.
Gesture.Fill out section roadbed reinforced gabion and fill the weak spot for avoiding subway inlet-outlet line open excavation section and shield tunnel junction, significantly
Reduce disturbance of the construction to subway.The disturbance risk for reducing engineering construction at the same time, can guarantee that construction quality, ensure successive projects
Construction application has good prospects.
Brief description of the drawings
Fig. 1 is to fill out section roadbed filling construction skill flow chart；
Fig. 2 is galvanizing steel gabion structure figure；
Fig. 3 is fixed for U-shaped nail and zinc-coated wire grid anti-package schematic diagram；
Fig. 4 fills reinforced gabion schematic diagram to fill out river.
Description of reference numerals：1. 2. galvanizing steel gabion 3.U sprigs of zinc-coated wire grid 4., 5. steel plastotype of former channel revetment
6. east side of TGXG is relocated 9. graded broken stone loaded filter of tunnel, 10. cement concrete under 7. guardrail of center line, 8. river temporarily.
Embodiment
The present invention is described further with reference to embodiment.The explanation of following embodiments is only intended to help and understands this
Invention.It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, also
Some improvement and modification can be carried out to the present invention, these are improved and modification also falls into the protection domain of the claims in the present invention
It is interior.
In order to ensure Subway Facilities safety, relocate temporarily at a high speed and present situation at a high speed await a subway the non-fortune of circuit by unloading selection night
The stage of battalion constructs, and avoids the synergistic effect of vehicle in use load in river reconstruction project construction loads and existing tunnel,
The present invention uses roadbed to fill out the new construction in river as reinforced gabion structure.As shown in Fig. 2, 2 size of galvanizing steel gabion of box-shaped is
3.0m × 1.0m × 0.5m, dress stone grain footpath are 8cm~15cm, median particle diameter 12cm, and galvanizing steel gabion 2 sets hexagon net
Hole, mesh size size are 6.0cm × 8.0cm, and wire side steel wire diameter is 2.7mm, and side end steel wire diameter is 3.4mm.Galvanized steel
The stone filled out in muscle gabion 2 selects immersion not to be disintegrated, hard non-weathering, and size is not less than the stone of mesh.Galvanizing steel
The stone ectonexine filled out in gabion 2 is of different sizes, and outer layer uses ratchel, and stone corner angle is protruded mesh, to protect steel
Silk screen, internal layer are used compared with finger stone.
As shown in Figure 3 to Figure 4, after bottom of river channel underwater desilting, first layer 2 shop fixtures of galvanizing steel gabion, galvanizing steel
2 numbers of gabion fill out river design width arrangement according to roadbed.Zinc-coated wire grid 1 is placed in 2 top surface of galvanizing steel gabion, using U
Sprig 3 is fixed on galvanizing steel gabion 2, and after the placement of second layer galvanizing steel gabion 2, anti-package 2m is tensed, repetitive operation one
Upper berth layer by layer, the more each lower floor in each of which upper strata lack a galvanizing steel gabion 2, until after flood level absolute altitude, it is low-speed rolled.
Steel plastotype TGXG 5 is placed on the galvanizing steel gabion 2 of top surface, 5 upper outside of steel plastotype TGXG placement two is zinc-plated
50cm graded broken stones loaded filter 9 is filled in reinforced gabion 2, inner side, and compactness is not less than 96%.Top surface places zinc-coated wire grid 1
And anti-package 2m is tensed, two galvanizing steel gabions 2 are placed in outside, and 3% cement concrete 10 is filled to roadbed top surface absolute altitude in inner side.
First dredging under progress urban river water before construction, it is filling roadbed hang reinforced gabion using truck crane, then carries out
Road surface structare layer is constructed, and is not required to dewatering construction in whole work progress, it is ensured that subway inlet-outlet line periphery water level, hydraulic pressure are in nature
Equilibrium state.
The express highway roadbed construction method for filling out river structure of the neighbouring existing Subway Facilities, comprises the following steps：
(1) bottom of river channel underwater desilting
Dredging under urban river water is first carried out before construction, by surveying and locating, building waste is cleared up and is transported outward, according to applying for engineering
Work feature and field condition organizing construction personnel and mechanical equipment are marched into the arena, and personnel are giveed training and are told somebody what one's real intentions are and its equipment is carried out
Debugging, and confirm conveyance conduit and landline.
(2) first layer reinforced gabion shop fixtures
After carrying out underwater desilting to river, according to Fig. 4,2 shop fixtures of galvanizing steel gabion is carried out to river first layer.
(3) zinc-coated wire grid, anti-package 2m are placed
2 top surface of first layer galvanizing steel gabion places zinc-coated wire grid 1, is fixed on galvanizing steel gabion using U-shaped nail 3
On 2, outside is hung up, and the anti-package 2m after the placement of second layer galvanizing steel gabion 2, tenses.
(4) repeat step (3) is to flood level absolute altitude
Repeat step (3) places zinc-coated wire grid 1 and 3~5 layers of galvanizing steel gabion 2 to flood level absolute altitude.
(5) it is low-speed rolled
This engineering is rolled using road roller, is rolled 20 times no more than 2km/h with travel speed, is constructed close to subway end
When, slow down travel speed, by the way of low speed is pressed slowly.
(6) graded broken stone loaded filter fills
Steel plastotype TGXG 5 is placed on top surface galvanizing steel gabion 2,5 upper outside of steel plastotype TGXG is placed
Graded broken stone loaded filter 9 is filled in galvanizing steel gabion 2, inner side, and compactness is not less than 96%.
(7) 3% cement concretes fill
Zinc-coated wire grid 1 is placed on the galvanizing steel gabion 2 of top layer and anti-package 2m is tensed, 1 top of zinc-coated wire grid
Two galvanizing steel gabions 2 are placed in outside, and 3% cement concrete 10 is filled to roadbed top surface absolute altitude in inner side.
(8) pavement structure and appurtenant work construction
Include the construction of the appurtenant works such as inlet for stom water and branch pipe, pavement.
Claims (4)
1. a kind of neighbouring the express highway roadbed of existing Subway Facilities fills out river structure, it is characterised in that including zinc-coated wire grid
(1), galvanizing steel gabion (2), steel plastotype TGXG (5) and graded broken stone loaded filter (9)；The galvanizing steel gabion (2)
For box-shaped, galvanizing steel gabion (2) sets hexagon mesh, and the stone ectonexine filled out in galvanizing steel gabion (2) is of different sizes,
Outer layer uses ratchel, and stone corner angle is protruded mesh protection steel wire, and internal layer is used compared with finger stone；River bottom is zinc-plated
Reinforced gabion (2), galvanizing steel gabion (2) is with step upper berth to flood level absolute altitude；Every layer of galvanizing steel gabion (2) top surface is set
It is fixed by U-shaped nail (3) to put zinc-coated wire grid (1), zinc-coated wire grid (1) anti-package tenses；The galvanizing steel of top surface
Steel plastotype TGXG (5) is set on gabion (2)；Steel plastotype TGXG (5) upper outside sets galvanizing steel gabion (2),
Graded broken stone loaded filter (9) is filled in inner side, and zinc-coated wire grid (1) is set on galvanizing steel gabion (2) and anti-package tenses, zinc-plated
Steel wire grid (1) upper outside sets galvanizing steel gabion (2), and cement concrete (10) is filled to roadbed top surface absolute altitude in inner side.
2. neighbouring the express highway roadbed of existing Subway Facilities according to claim 1 fills out river structure, it is characterised in that institute
It is 8cm~15cm to state galvanizing steel gabion (2) dress stone grain footpath.
3. neighbouring the express highway roadbed of existing Subway Facilities according to claim 1 fills out river structure, it is characterised in that institute
The compactness for filling graded broken stone loaded filter (9) is stated not less than 96%.
4. a kind of express highway roadbed construction method for filling out river structure of neighbouring existing Subway Facilities as claimed in claim 1,
It is characterized by comprising following steps：
1) dredging under urban river water is first carried out before constructing, confirms conveyance conduit and landline；
2) galvanizing steel gabion (2) shop fixtures is carried out to river first layer；
3) first layer galvanizing steel gabion (2) top surface places zinc-coated wire grid (1), is fixed on galvanizing steel using U-shaped nail (3)
On gabion (2), anti-package tenses after second layer galvanizing steel gabion (2) placement；
4) repeat step 3) zinc-coated wire grid (1) and 3~5 layers of galvanizing steel gabion (2) are placed to flood level absolute altitude；
5) use road roller to be rolled with travel speed no more than 2km/h, when constructing close to subway end, slow down travel speed；
6) steel plastotype TGXG (5), steel plastotype TGXG (5) upper outside are placed on top surface galvanizing steel gabion (2)
Galvanizing steel gabion (2) is placed, graded broken stone loaded filter (9) is filled in inner side, and compactness is not less than 96%；
7) zinc-coated wire grid (1) is placed on the galvanizing steel gabion (2) of top layer and anti-package tenses, zinc-coated wire grid (1)
Upper outside places galvanizing steel gabion (2), and cement concrete (10) is filled to roadbed top surface absolute altitude in inner side；
8) pavement structure and appurtenant work construction：Include the construction of the appurtenant works such as inlet for stom water and branch pipe, pavement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711418043.1A CN107938457B (en) | 2017-12-25 | 2017-12-25 | Highway roadbed river filling structure adjacent to existing subway facilities and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711418043.1A CN107938457B (en) | 2017-12-25 | 2017-12-25 | Highway roadbed river filling structure adjacent to existing subway facilities and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107938457A true CN107938457A (en) | 2018-04-20 |
| CN107938457B CN107938457B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711418043.1A Active CN107938457B (en) | 2017-12-25 | 2017-12-25 | Highway roadbed river filling structure adjacent to existing subway facilities and construction method |
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| Country | Link |
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| CN (1) | CN107938457B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764214A (en) * | 2020-07-15 | 2020-10-13 | 湖南省交建工程集团有限公司 | Three-dimensional reinforcement treatment construction method for soft soil roadbed geotechnical synthetic material |
| CN114855517A (en) * | 2021-02-04 | 2022-08-05 | 中国石油天然气股份有限公司 | A road surface additional strengthening for soft soil roadbed |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202898930U (en) * | 2012-10-15 | 2013-04-24 | 浙江鸿安建设有限公司 | By-river reinforced roadbed structure |
| CN103628378A (en) * | 2013-11-12 | 2014-03-12 | 江苏省镇江市路桥工程总公司 | Waterside road broadened embankment structure and construction method thereof |
| CN203821187U (en) * | 2014-04-03 | 2014-09-10 | 中国水电顾问集团贵阳勘测设计研究院有限公司 | Penn's cage composite roadbed structure |
| CN204039976U (en) * | 2014-08-27 | 2014-12-24 | 中铁第一勘察设计院集团有限公司 | A kind of railway embankment antiscour safeguard structure along the river |
| CN105350489A (en) * | 2015-11-23 | 2016-02-24 | 东北师范大学 | Ecological anti-pollution bank slope construction method for river and lake |
| CN106758623A (en) * | 2016-11-30 | 2017-05-31 | 河海大学 | A kind of dam filling construction without the muscle lightweight earthen platform back of the body |
| CN208762808U (en) * | 2017-12-25 | 2019-04-19 | 浙江大学城市学院 | Neighbouring the express highway roadbed of existing Subway Facilities fills out river structure |
-
2017
- 2017-12-25 CN CN201711418043.1A patent/CN107938457B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202898930U (en) * | 2012-10-15 | 2013-04-24 | 浙江鸿安建设有限公司 | By-river reinforced roadbed structure |
| CN103628378A (en) * | 2013-11-12 | 2014-03-12 | 江苏省镇江市路桥工程总公司 | Waterside road broadened embankment structure and construction method thereof |
| CN203821187U (en) * | 2014-04-03 | 2014-09-10 | 中国水电顾问集团贵阳勘测设计研究院有限公司 | Penn's cage composite roadbed structure |
| CN204039976U (en) * | 2014-08-27 | 2014-12-24 | 中铁第一勘察设计院集团有限公司 | A kind of railway embankment antiscour safeguard structure along the river |
| CN105350489A (en) * | 2015-11-23 | 2016-02-24 | 东北师范大学 | Ecological anti-pollution bank slope construction method for river and lake |
| CN106758623A (en) * | 2016-11-30 | 2017-05-31 | 河海大学 | A kind of dam filling construction without the muscle lightweight earthen platform back of the body |
| CN208762808U (en) * | 2017-12-25 | 2019-04-19 | 浙江大学城市学院 | Neighbouring the express highway roadbed of existing Subway Facilities fills out river structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764214A (en) * | 2020-07-15 | 2020-10-13 | 湖南省交建工程集团有限公司 | Three-dimensional reinforcement treatment construction method for soft soil roadbed geotechnical synthetic material |
| CN114855517A (en) * | 2021-02-04 | 2022-08-05 | 中国石油天然气股份有限公司 | A road surface additional strengthening for soft soil roadbed |
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| Publication number | Publication date |
|---|---|
| CN107938457B (en) | 2023-05-09 |
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