CN109235157A - Soft base U-type groove basis package is soaked to pull-type reinforced earth railroad embankment structure - Google Patents
Soft base U-type groove basis package is soaked to pull-type reinforced earth railroad embankment structure Download PDFInfo
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- CN109235157A CN109235157A CN201811096685.9A CN201811096685A CN109235157A CN 109235157 A CN109235157 A CN 109235157A CN 201811096685 A CN201811096685 A CN 201811096685A CN 109235157 A CN109235157 A CN 109235157A
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- 238000007654 immersion Methods 0.000 claims abstract description 39
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 30
- 238000004806 packaging method and process Methods 0.000 claims abstract description 21
- 239000004576 sand Substances 0.000 claims abstract description 9
- 230000003447 ipsilateral effect Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 11
- 239000010410 layer Substances 0.000 claims description 11
- 239000004567 concrete Substances 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000005246 galvanizing Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 239000004746 geotextile Substances 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- 238000001727 in vivo Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000004570 mortar (masonry) Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 4
- 238000011049 filling Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000009414 blockwork Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 239000011469 building brick Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
- E01B2/006—Deep foundation of tracks
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
Abstract
Soft base U-type groove basis package is soaked to pull-type reinforced earth railroad embankment structure, both the security and stability requirement of railway immersion section tall earth fill retaining engineering had been met, it can solve the Structural Endurance Problem under the conditions of immersion again, its globality is very strong simultaneously, structure overall stiffness is big, be conducive to reduce foundation of road bed differential settlement on deep soft soil foundation, can adapt to lower foundation bearing capacity condition.Including by two sides panel and the loaded filter positioned at its back side, inclusion enclave and filling package that the roadbed ontology between the inclusion enclave of two sides is constituted to pull-type reinforced earth construct, for layering setting packaging type to TGXG is drawn, packaging type forms warp package to inclusion enclave to drawing TGXG transverse ends in roadbed ontology.The package is to setting reinforced concrete U-shaped slot basis below pull-type earth structure body, reinforced concrete U-shaped slot fills lower part roadbed ontology in basis, opening inner side is respectively seated on ipsilateral reinforced concrete foundation in reinforced concrete foundation, the lower end of two sides panel are arranged on the roadbed ontology of lower part；The bottom on the reinforced concrete U-shaped slot basis laterally extends outward to form bottom plate and is located on sand bedding course, and sand bedding course is laid on consolidated subsoil.
Description
Technical field
The present invention relates to the compound retaining structures of railway high-filled embankment, in particular to a kind of to fill out soft soil foundation for immersion height
And the demanding New Retaining Structure of globality.
Background technique
With flourishing for railway construction in China cause, the requirement in process of construction to economy and adaptability is more next
It is higher.Especially in the place that topography and geomorphology is limited, works attribute is limited, such as the item that end of the bridge high-fill roadbed slope is limited
Part.Above situation is as larger in necessarily will increase using extension bridge section or using the scheme of gravity type (load retaining wall) retaining wall closing slope
Investment, while gravity type (load retaining wall) retaining wall is higher to ground requirement for bearing capacity.Therefore it in order to reduce investment, and is able to satisfy
Applicability simultaneously ensures subgrade stability, and the mentality of designing of reinforced earth retaining wall is applied to embankment Slope Design work more and more
In work.A kind of composite structure that panel, lacing wire and filling body are formed also comes into being, have can prefabricated property, it is adaptable,
The features such as good in economic efficiency, handsome in appearance.
Traditional reinforced earth retaining wall by shingle nail, lacing wire, socket part, filler, basis and cap stone etc. and form, design
Thinking is that lacing wire is vertically acted on to the anchoring frictional force of generation to be directly delivered on panel by load, and it is lateral to be used to equilibrium load
Active force, so that filling body be made to form the entirety fastened.So, power system acts directly on panel, whole to panel
Body, stability requirement are very high, once panel breakage, total object just fails, and risk is larger, and the country has already appeared highway
The case where reinforced earth retaining wall work point destroys.Also, such reinforced earth bulkhead single level generally will not be too high.In view of railway
The feature that running velocity is fast, equivalent load is big, vibration acceleration coverage is wide, it is necessary to study novel reinforced earth earth-retaining
Development of the wall construction to adapt to and push railway cause.
It is by the anchoring frictional force of inclusion enclave TGXG currently, having certain packaging type reinforced soil retaining wall with property
It is transmitted on inclusion enclave, is used to equilibrium load horizontal force, so that inclusion enclave becomes load-bearing structure as substitution panel, with drop
Low reinforced earth bulkhead risk, further enhances the applicability of reinforced earth bulkhead.In the use process of the type structure often
Along with the disadvantages of durability is poor under the conditions of immersion, work progress very complicated, up for carrying out its structure type into one
The research of step.
In fact, reinforced earth retaining wall is other than being retaining structure, a part of it or roadbed body construction needs
Consider ground actual conditions, to reach the requirement for meeting its design bearing capacity.Meanwhile end of the bridge section water burst position is higher, needs to synchronize
Consider erosion resistibility and lateral effect of water pressure, and the works endurance issues soaked for a long time.Currently, both at home and abroad about
U-type groove basis reinforced earth retaining wall has not been reported in the application and research of immersion High-filled emkankment engineering.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of immersion soft base U-type groove basis packages to pull-type reinforcement unmanufactured iron
Road embankment structure, had not only met the security and stability requirement of railway immersion section tall earth fill retaining engineering, but also can solve immersion
Under the conditions of Structural Endurance Problem, while its globality is very strong, and structure overall stiffness is big, is conducive to reduce deep soft soil foundation
Upper foundation of road bed differential settlement can adapt to lower foundation bearing capacity condition.
The technical solution adopted by the present invention to solve the technical problems is as follows:
Immersion soft base U-type groove basis package of the invention is to pull-type reinforced earth railroad embankment structure, including package is to pull-type
Reinforced earth construct, package by two sides panel and the loaded filter positioned at its back side, inclusion enclave and fill out pull-type reinforced earth construct
The roadbed ontology built between the inclusion enclave of two sides is constituted, and layering setting packaging type is to drawing TGXG, packaging type in roadbed ontology
To drawing TGXG transverse ends to form warp package to inclusion enclave, it is characterized in that: the package is to pull-type earth structure body
Reinforced concrete U-shaped slot basis is arranged in lower section, and reinforced concrete U-shaped slot fills lower part roadbed ontology, armored concrete U in basis
Type groove basis top opening inner side is located respectively in reinforced concrete foundation, the lower end of two sides panel are arranged on the roadbed ontology of lower part
On ipsilateral reinforced concrete foundation；The bottom on the reinforced concrete U-shaped slot basis laterally extends outward to form bottom plate and seat
It falls on sand bedding course, sand bedding course is laid on consolidated subsoil.
The beneficial effects are mainly reflected as follows following aspects:
One, immersion soft base U-type groove basis package improves common packaging type reinforcement to pull-type reinforced earth railroad embankment structure
The durability in immersion section of native retaining wall.Common reinforced earth retaining wall is in immersion section SEA LEVEL VARIATION and long period of soaking effect
Under be unfavorable for the stability of filler itself, currently used packaging type reinforced earth retaining wall is by the friction between filler and rib tape
Power effect is very big by fillers affect；For reinforced concrete U-shaped slot basis basis package to pull-type earth structure, because under it
Portion can effectively reduce corrosion function of the extraneous poor environment to embankment performance using reinforced concrete foundation, can be improved
The durability of embankment structure entirety.
Two, immersion soft base U-type groove basis package is to pull-type reinforced earth railroad embankment structure, than commonly wrapping up to pull-type reinforcement
Native retaining wall construction is simpler, and the duration is shorter.Common package when constructing to pull-type reinforced earth retaining wall can only compaction in layers, successively
Increase, constructs when height of embankment is higher relatively complicated；And the soft base U-type groove basis package that soaks is to pull-type reinforced earth railroad embankment
Structure, which can be divided into the top part and the bottom part, point constructs, lower part one-piece casting reinforced concrete U-shaped slot basis basis, and tamps in inside
It bankets；Top is wrapped up to pulling structure compaction in layers, is successively increased.This structure can shorten the construction period, and construction technology it is simple,
It is easy to operate, be conducive to controlled investment and project progress.
Three, immersion soft base U-type groove basis package is to pull-type reinforced earth railroad embankment structure due to the steel using one-piece casting
Reinforced concrete U-type groove basis basis, globality is strong, and structure overall stiffness is big, and foundation structure can effectively reduce differential subsidence,
It can adapt to lower foundation bearing capacity condition.
Four, basement process structural form selection is versatile and flexible, and cement mixing pile, CFG, driven pile, concrete can be used
The structures such as bored concrete pile carry out basement process.
Five, building-brick type panel in top has good reinforcing when landform boundary is restricted using upright or close upright pattern
Closing slope effect effectively reduces removal investment, slows down sign and tear pressure open, be conducive to engineering and make smooth advances in earth clearance difficulty location.
Detailed description of the invention
This specification includes following ten width attached drawing:
This specification includes following 15 width attached drawing:
Fig. 1 is cross-sectional view of the present invention immersion soft base U-type groove basis package to pull-type reinforced earth railroad embankment structure；
Fig. 2 is present invention immersion soft base U-type groove basis package to pull-type reinforced earth railroad embankment structural side view；
Fig. 3 is the drawing of A node in Fig. 1；
Fig. 4 is the drawing of B node in Fig. 1；
Fig. 5 is the drawing of C node in Fig. 1；
Fig. 6 is present invention immersion soft base U-type groove basis package to pull-type reinforced earth railroad embankment structure drain hole drawing；
Fig. 7 is present invention immersion soft base U-type groove basis package to blockwork in pull-type reinforced earth railroad embankment structure
Perspective view；
Fig. 8 is present invention immersion soft base U-type groove basis package to blockwork in pull-type reinforced earth railroad embankment structure
Elevation；
Fig. 9 is present invention immersion soft base U-type groove basis package to blockwork in pull-type reinforced earth railroad embankment structure
Front elevation；
Figure 10 is present invention immersion soft base U-type groove basis package to blockwork in pull-type reinforced earth railroad embankment structure
Top view；
Figure 11 is present invention immersion soft base U-type groove basis package to blockwork in pull-type reinforced earth railroad embankment structure
Top view；
Figure 12 is present invention immersion soft base U-type groove basis package to embedded bar in pull-type reinforced earth railroad embankment structure
Drawing；
Figure 13 be the present invention immersion soft base U-type groove basis package to TGXG in pull-type reinforced earth railroad embankment structure with
Building block reinforcing bar connected mode schematic diagram；
Figure 14 is present invention immersion soft base U-type groove basis package to TGXG packet in pull-type reinforced earth railroad embankment structure
Wrap up in body drawing；
Figure 15 is that present invention immersion soft base U-type groove basis package connects reinforcing bar to pull-type reinforced earth railroad embankment structural block
Scheme of installation.
Component and corresponding label be shown in figure: surface layer of subgrade bed 1, bottom layer of subgrade 2, roadbed ontology 3, lower part roadbed ontology 4,
Consolidated subsoil 5, reinforced concrete U-shaped slot basis 6, sand bedding course 9, reinforced concrete foundation 11, panel 12, cap stone 13, prefabricated block
Block 14, groove 14a, tenon 14b, mounting hole 14c, drain hole building block 15, loaded filter 16, inclusion enclave 18, clay or concrete every
Water layer 19, packaging type are to drawing TGXG 20, panel connection grid 21, drain hole 22, drainpipe 23, connection reinforcing bar 24, perfusion
Cement mortar 25, embedded bar 26, galvanizing steel 27, geotechnological stick 28, water penetration geotextiles 29, water storage tank 30, subsiding crack 31,
Upper thread D1, toe of wall line D2, wall top design lines D3, road shoulder design lines D4, water burst line D5.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Referring to Fig.1, Fig. 2 and Fig. 5, present invention immersion soft base U-type groove basis are wrapped up to pull-type reinforced earth railroad embankment structure,
Including package to pull-type reinforced earth construct, package is to pull-type reinforced earth construct by two sides panel 12 and positioned at the anti-of its back side
Filtering layer 16, inclusion enclave 18 and the roadbed ontology 3 filled between two sides inclusion enclave 18 are constituted, layering setting packet in roadbed ontology 3
Formula is wrapped up in TGXG 20 is drawn, packaging type forms warp package to inclusion enclave 18 to drawing 20 transverse ends of TGXG.The packet
It wraps up in reinforced concrete U-shaped slot basis 6 is arranged below pull-type earth structure body, is filled down in reinforced concrete U-shaped slot basis 6
Portion's roadbed ontology 4, in reinforced concrete is arranged on lower part roadbed ontology 4 on the inside of basic 6 upper openings of reinforced concrete U-shaped slot
Plinth 11, the lower end of two sides panel 12 are respectively seated on ipsilateral reinforced concrete foundation 11.The reinforced concrete U-shaped slot basis
6 bottom laterally extends outward to form bottom plate and is located on sand bedding course 9, and sand bedding course 9 is laid on consolidated subsoil 5.
Referring to Fig.1, immersion soft base U-type groove basis package improves common package to pull-type reinforced earth railroad embankment structure
The durability in immersion section of formula reinforced earth retaining wall.Common reinforced earth retaining wall is in immersion section SEA LEVEL VARIATION and long-term leaching
It is unfavorable for the stability of filler itself under bubble effect, currently used packaging type reinforced earth retaining wall relies between filler and rib tape
Frictional force effect, it is very big by fillers affect；For immersion soft base U-type groove basis package to pull-type reinforced earth railroad embankment knot
Structure because its underpart is using reinforced concrete U-shaped slot basis, therefore can effectively reduce extraneous poor environment and invade embankment performance
Erosion effect, can be improved the durability of embankment structure entirety.
Referring to Fig. 2, Fig. 3 and Fig. 4, the panel 12 is laterally in a row by prefabricated retaining wall block 14, drain hole building block 15
Cap stone 13 is arranged in assembled, the longitudinally staggered assembled panel assembly body formed, the upper end of panel assembly body.The panel is assembled in vivo
Longitudinal gap setting connection reinforcing bar 24, connection reinforcing bar 24 vertically pass through the mounting hole 14c of assembled body, lower end and armored concrete
Basis 11 is fixedly connected, and upper end anchors into cap stone 13.The closing of cement injection mortar 25 connection reinforcing bar 24 in the mounting hole 14c.
Referring to Fig. 4, the bottom of the inclusion enclave 18 is placed on clay or concrete water barrier 19.
Referring to Fig.1, Fig. 3 and Fig. 4, the lower part roadbed ontology 4 are located at water burst line D5 hereinafter, by coarse grain filler placement in layers
It forms.The roadbed ontology 3 is located at water burst line D5 or more, is formed by common qualified filler placement in layers, 3 top surface of roadbed ontology with
On successively fill bottom layer of subgrade 2, surface layer of subgrade bed 1.Vertically setting horizontal panel in interval connects grid 21, packet in roadbed ontology 3
Formula is wrapped up in TGXG 20 is drawn, panel connects 21 two sides end of grid and ipsilateral prefabricated retaining wall block 14, drain hole building block 15
Connection, packaging type is to the both ends of drawing TGXG 20 around the ipsilateral inclusion enclave 18 of package.The packaging type is to drawing TGXG 20
It as structure grid, is carried with its tensile strength and offsets load level component, make panel 12 not by load action, panel connects lattice
Grid 21 are only used as structural texture.
Superstructure in the present invention is a kind of improvement to traditional packaging type reinforced earth retaining wall.By inclusion enclave to drawing
Load level component is offset in the tensile strength carrying of TGXG 20, and inclusion enclave 18 is made to have actually become traditional face
Plate, and really building-brick type panel 12 allows panel connection TGXG 21 to become structural texture not by load action, to improve
The safety of panel 12 reduces the risk of the destruction of panel 12, while the reinforcement of the structural stability is more advantageous in weakness
Use in ground, antidumping antiskid kinetic force are more than unilateral packaging type reinforced earth retaining wall.
Referring to Fig. 6 to Figure 14, groove 14a is set at the top of the prefabricated retaining wall block 14, drain hole building block 15, bottom is set
Set corresponding tenon 14b, the embedded bar 26 of inside setting closed loop configuration and the vertical mounting hole that is horizontally arranged at interval
14c, the rear wall that embedded bar 26 extends prefabricated retaining wall block 14 form exposed junction.Pass through groove 14a's and tenon 14b
Occlusion and connection reinforcing bar 24 are vertically fixed, more strengthen the stability of panel 12.26 exposed junction of embedded bar with it is zinc-plated
Reinforcing bar 27 connects, and the packaging type connects grid 21 with panel to drawing TGXG 20 and is each passed through inclusion enclave 18 and galvanizing steel
Inflection and consolidation is formed around geotechnological stick 28 again after 27, forms effective connection with inclusion enclave 18 and panel 12.The drain hole
Notch is arranged in top side in building block 15, and the notch of adjacent drain hole building block 15 forms drain hole 22, fixed peace in drain hole 22
Drainpipe 23 is filled, 23 inner end of drainpipe is located in loaded filter 16 and water penetration geotextiles 29 are wrapped up in aperture, outer end then extending panel
12。
The above only explains through diagrams present invention immersion soft base U-type groove basis package to pull-type reinforced earth railroad embankment
Some principles of structure are not intended to for the present invention being confined in shown and described specific structure and the scope of application, therefore all
All corresponding modifications that may be utilized and equivalent, belong to the applied the scope of the patents of the present invention.
Claims (8)
1. the soft base U-type groove basis package that soaks constructs pull-type reinforced earth railroad embankment structure, including package to pull-type reinforced earth
Body, package to pull-type reinforced earth construct by two sides panel (12) and the loaded filter (16) positioned at its back side, inclusion enclave (18) and
The roadbed ontology (3) filled between two sides inclusion enclave (18) is constituted, and layering setting packaging type is to drawing geotechnique in roadbed ontology (3)
Grid (20), packaging type is to drawing TGXG (20) transverse ends to form warp package to inclusion enclave (18), it is characterized in that: described
Package is basic (6) to setting reinforced concrete U-shaped slot below pull-type earth structure body, in reinforced concrete U-shaped slot basic (6)
Lower part roadbed ontology (4) is filled, is arranged on the inside of basic (6) upper opening of reinforced concrete U-shaped slot on lower part roadbed ontology (4)
Reinforced concrete foundation (11), the lower end of two sides panel (12) are respectively seated on ipsilateral reinforced concrete foundation (11)；It is described
The bottom of reinforced concrete U-shaped slot basic (6) laterally extends outward to form bottom plate and is located on sand bedding course (9), sand bedding course (9)
It is laid on consolidated subsoil (5).
2. immersion soft base U-type groove basis package is to pull-type reinforced earth railroad embankment structure, feature as described in claim 1
Be: the panel (12) is by prefabricated retaining wall block (14), drain hole building block (15) laterally in a row assembled, longitudinally staggered assembly
Cap stone (13) are arranged in the upper end of the panel assembly body of formation, panel assembly body；The assembled setting of longitudinal gap in vivo of the panel connects
It connects reinforcing bar (24), the vertical mounting hole (14c) for passing through assembled body of connection reinforcing bar (24), lower end and reinforced concrete foundation (11)
It is fixedly connected, upper end anchors into cap stone (13)；Interior cement injection mortar (25) the closing connection reinforcing bar of mounting hole (14c)
(24)。
3. immersion soft base U-type groove basis package is to pull-type reinforced earth railroad embankment structure, feature as claimed in claim 2
Be: the roadbed ontology (3) is located at water burst line (D5) or more, is formed by common qualified filler placement in layers, roadbed ontology (3) top
More than face successively fill bottom layer of subgrade (2), surface layer of subgrade bed (1)；The vertically horizontal panel connection of interval setting in roadbed ontology (3)
To TGXG (20) are drawn, panel connects grid (21) two sides end and ipsilateral prefabricated retaining wall block for grid (21), packaging type
(14), drain hole building block (15) connects, and packaging type is to the both ends of drawing TGXG (20) around the ipsilateral inclusion enclave (18) of package；Institute
Packaging type is stated to drawing TGXG (20) to be used as structure grid, is carried with its tensile strength and offsets load level component, make panel
(12) not by load action, panel connects grid (21) and is only used as structural texture.
4. immersion soft base U-type groove basis is wrapped up to pull-type reinforced earth railroad embankment structure as described in claim 1, it is characterized in that:
The bottom of the inclusion enclave (18) is placed on clay or concrete water barrier (19).
5. immersion soft base U-type groove basis is wrapped up to pull-type reinforced earth railroad embankment structure as described in claim 1, it is characterized in that:
Groove (14a) is set at the top of the prefabricated retaining wall block (14), drain hole building block (15), corresponding tenon is arranged in bottom
(14b), inside are arranged the embedded bar (26) of closed loop configuration and are horizontally arranged at interval vertical mounting hole (14c), embedded bar
(26) rear wall for extending prefabricated retaining wall block (14) forms exposed junction.
6. immersion soft base U-type groove basis is wrapped up to pull-type reinforced earth railroad embankment structure as claimed in claim 5, it is characterized in that:
Embedded bar (26) exposed junction is connect with galvanizing steel (27), and the packaging type connects drawing TGXG (20) with panel
Grid (21) is each passed through inclusion enclave (18) and galvanizing steel (27) and inflection and forms fixed knot around geotechnological stick (28) again afterwards.
7. immersion soft base U-type groove basis is wrapped up to pull-type reinforced earth railroad embankment structure as claimed in claim 5, it is characterized in that:
Notch is arranged in top side in the drain hole building block (15), and the notch of adjacent drain hole building block (15) forms drain hole (22),
Drainpipe (23) are fixedly mounted in drain hole (22), drainpipe (23) inner end is located in loaded filter (16) and aperture package water penetration
Geotextiles (29), outer end then extending panel (12).
8. immersion soft base U-type groove basis is wrapped up to pull-type reinforced earth railroad embankment structure as described in claim 1, it is characterized in that:
The lower part roadbed ontology (4) is located at water burst line (D5) hereinafter, being formed by coarse grain filler placement in layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811096685.9A CN109235157A (en) | 2018-09-19 | 2018-09-19 | Soft base U-type groove basis package is soaked to pull-type reinforced earth railroad embankment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811096685.9A CN109235157A (en) | 2018-09-19 | 2018-09-19 | Soft base U-type groove basis package is soaked to pull-type reinforced earth railroad embankment structure |
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| Publication Number | Publication Date |
|---|---|
| CN109235157A true CN109235157A (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811096685.9A Pending CN109235157A (en) | 2018-09-19 | 2018-09-19 | Soft base U-type groove basis package is soaked to pull-type reinforced earth railroad embankment structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114318959A (en) * | 2022-02-17 | 2022-04-12 | 中国长江三峡集团有限公司 | Reinforced soil complex embankment |
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