CN110485266A - A kind of road-bridge transition section road structure and construction method based on waste tire - Google Patents
A kind of road-bridge transition section road structure and construction method based on waste tire Download PDFInfo
- Publication number
- CN110485266A CN110485266A CN201910777633.6A CN201910777633A CN110485266A CN 110485266 A CN110485266 A CN 110485266A CN 201910777633 A CN201910777633 A CN 201910777633A CN 110485266 A CN110485266 A CN 110485266A
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- waste tire
- road
- eps
- pile body
- body structure
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- 239000010920 waste tyre Substances 0.000 title claims abstract description 87
- 230000007704 transition Effects 0.000 title claims abstract description 21
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 239000000945 filler Substances 0.000 claims abstract description 27
- 238000005266 casting Methods 0.000 claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 18
- 239000011324 bead Substances 0.000 claims description 13
- 239000004576 sand Substances 0.000 claims description 10
- 239000002689 soil Substances 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 239000010881 fly ash Substances 0.000 claims description 4
- 239000012798 spherical particle Substances 0.000 claims description 4
- 238000007596 consolidation process Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000284 extract Substances 0.000 abstract 1
- 238000004062 sedimentation Methods 0.000 description 4
- 230000009191 jumping Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
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
-
- 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
- E01C3/003—Foundations for pavings characterised by material or composition used, e.g. waste or recycled material
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
A kind of road-bridge transition section road structure and construction method based on waste tire, road structure includes the support unit being used to support between bridge floor and abutment foundation and the EPS Ultralight filler for being filled in support portion gap, support unit includes several elastic pile body structures, the upper and lower end of elastic pile body structure is connected with the lower end surface of bridge floor, abutment foundation respectively, and elastic supporting pipe includes several waste tires and the fixation kit for fixing waste tire；EPS Ultralight filler is filled in the hollow cavity of pile body structure and fills between the bridge floor and abutment foundation of road foundation in gap and in the cavity of elastic pile body structure；The construction method is the following steps are included: be formed by placement in layers EPS Ultralight filler in the cavity of pile body structure and its gap between steel pile casting in waste tire；It extracts steel pile casting and backfills leveling；Continue the construction of other roadbeds and road surface structure.The beneficial effects of the present invention are: effective solving problem of vehicle bump at bridge head.
Description
Technical field
The present invention relates to a kind of road-bridge transition section road structure and construction method based on waste tire, belongs to civil engineering
Technical field.
Background technique
" bumping at bridge-head " is highway or urban road and a kind of universal phenomenon that abutment junction occurs, and is generated
Main cause is flexible differential settlement caused by road and rigid structure (abutment) junction are mutated because of rigidity.Bridge
Structure is usually built by rigid structures such as armored concrete, and the Roadbed Soil bearing capacity after abutment is relatively low, in vehicle
To generate relative to abutment under equal load action and more settle, and cause the sedimentation of end of the bridge road-bridge transition section inconsistent, shape
At faulting of slab ends so that vehicle by when there is the phenomenon that jumping vehicle." bumping at bridge-head " will bring different degrees of danger to vehicle and pedestrian
Evil, be in particular in: (1) bumping at bridge-head influences the stationarity and comfort to be formed, and forms noise pollution to surrounding enviroment；(2)
Bumping at bridge-head forces vehicle deceleration, reduces the use function and the traffic capacity of road；(3) the horizontal and vertical impact that vehicle generates is jumped
Road pavement, roadbed and bridge structure object are generated damage by power, increase maintenance cost and management difficulty；(4) rushing when jumping vehicle
Unfavorable counter-force can be generated to vehicle by hitting power, increased the vibration of vehicle and the abrasion of mechanical wear and tire, increased oil consumption, shorten
Vehicle service life, increase transportation cost, serious vehicle of jumping such as will cause overturnings, knock into the back at the traffic accidents, threat people, vehicle and property
Safety.Therefore, the relative settlement for reducing road-bridge transition section has important economic significance and social value.
Currently, the method generallyd use for the improvement of road-bridge transition section differential settlement be improve subgrade soils property with
Increase its intensity, or uses light filler backfill to mitigate the additional stress to subjacent bed.Due to the position of road-bridge transition section
It is special, Roadbed Soil to roll difficulty big, it is difficult to roll in place completely, prevent the compacting of roadbed filling is wanted from reaching design
Ask, will equally cause subsequent relative settlement problem, still cannot preferable solving road ride comfort problem.
Summary of the invention
In view of the deficiencies of the prior art, it can be effectively reduced the present invention provides one kind and act on the additional of subjacent bed and answer
Power reduces the road-bridge transition section road structure and construction party based on waste tire of the subgrade settlement generated by dead load
Method.
A kind of road-bridge transition section road structure based on waste tire of the present invention, it is characterised in that: including being used for
The support unit being supported between bridge floor and abutment foundation and the EPS Ultralight filler for being filled in support portion gap,
The support unit includes several elastic pile body structures, wherein the upper and lower end of elastic pile body structure respectively with the lower end surface of bridge floor,
Abutment foundation is connected, and the elastic supporting pipe includes several waste tires and the fixation kit for fixing waste tire, described
The tyre bead end surface of waste tire is circumferentially arranged with several for the perforative mounting hole of fixation kit interconnecting piece, the waste tire
It is coaxially mutually stacked together from top to bottom, and a hollow elastic pile body structure is successively concatenated by fixation kit；Institute
EPS Ultralight filler is stated to be filled in the hollow cavity of pile body structure and fill between the bridge floor and abutment foundation of road foundation
In gap and in the cavity of elastic pile body structure.
The fixation kit include two panels annular backing plate, several for contact waste tire connection reinforcing bar and be spirally connected
In connecting end reinforced fixture nut, the waste tire is coaxially mutually stacked together from top to bottom, the tire of waste tire
Circle end face is circumferentially with several for be inserted into the mounting holes of connection reinforcing bar, and the tire tyre bead end face of the waste and old wheel in the top and most lower
Respectively it is furnished with a piece of annular backing plate in the tyre bead end face of end waste tire；The annular backing plate is circumferentially arranged with the installation with waste tire
The one-to-one location hole in hole；The connection reinforcing bar is successively penetrated from top to bottom in the mounting hole of waste tire, and connects steel
The both ends of muscle are pierced by from the location hole of upper and lower two panels annular backing plate, fall in the fixed spiral shell of screwing sections outside ipsilateral annular backing plate
Mother realizes the fastening between waste tire and annular backing plate, so that waste tire is connected into a hollow pile body structure.
The annular backing plate is built up by steel plate, and the thickness of annular section is less than the profile height of waste tire, and reserved
Have and connect the identical location hole of bar diameter.
The EPS Ultralight filler be the ultralight material of EPS, by EPS spherical particle, flyash, cement and banket according to
The match ratio of mass ratio 3:1:1:5 is stirred.
A kind of construction method of road-bridge transition section road structure based on waste tire according to the present invention, feature
It is, comprising the following steps:
(1) Roadbed Soil in abutment and abutment foundation location is excavated by the way of manually combining using machinery
And flatten, it is laid with one layer of sand or blotter, rolls compacting；
(2) surveying setting-out, the principle for putting frontier inspection survey based on side position pile body structure using theodolite, it is desirable that error
It is not greater than 1cm；
(3) by steel pile casting perpendicular alignmnet stake position, steel pile casting is sunk into sand or rubble by the way of static pressure or pile vibrosinking
0.5m below bed course takes related supporting measure to guarantee the stabilization of steel pile casting；
(4) by preconfigured EPS Ultralight filler placement in layers on sand bedding course, every layer of filler should not be higher than
30cm rolls leveling after filling, make every layer to banket and reach design compactness, until reaching design road foundation height mark；
(5) waste tire is formed by elastic pile body structure using lifting machine to be placed into steel pile casting, and ensures that it hangs down
Straight degree deviation is not more than 0.5 °；
(6) preconfigured EPS Ultralight filler placement in layers is formed by the chamber of pile body structure in waste tire
In body and its gap between steel pile casting, using manually leveling is rolled, same every layer of filling height is not preferably greater than 30cm；
(7) after EPS Ultralight filler fills completion, steel pile casting is extracted, while to position where raw steel casing
Carry out the backfill leveling of EPS Ultralight filler；
(8) after completion to be onstructed 7 days, the consolidation effect that bankets is detected if bearing capacity is met the requirements and continues other
The construction of roadbed and road surface structure.
Beneficial effects of the present invention: waste tire and the ultralight material of EPS banket relative to former Roadbed Soil severe substantially
It reduces, can effectively reduce the additional stress for acting on subjacent bed, reduce the subgrade settlement generated by dead load, to ensuring
The stability of road structure plays an important role.The new-type embankment structure is using rigid annular shaped backing plate, nut and contains
The identical waste tire of several specifications is formed pile body structure by the stainless reinforcing bar of screw thread from top to bottom, realizes waste tire
Recycle, alleviate the solid waste such as tire stack and caused by land occupation is more, management cost greatly, environmental pollution etc.
Pressure improves the utilization efficiency in space.Waste tire has extremely strong tension tensile strength, biggish toughness and corrosion-resistant
Property, can play the role of reinforcing body, and can the ultralight material of EPS to internal cavity and outside banket lateral restriction be provided,
Effectively improve the bearing capacity of roadbed.Waste tire be formed by pile body structure can banket with the ultralight material of EPS to be formed it is compound
Ground, the effect of shared upper load, meanwhile, waste tire rough surface can greatly improve waste tire and be formed by
Confining pressure and frictional resistance between pile body structure and the ultralight material of surrounding EPS, increase Roadbed Soil entirety shearing strength and
Bearing capacity can effectively reduce the sedimentation and relative settlement of road structure, effectively solve the problems, such as bumping at bridge-head；In general, originally
The road-bridge transition section new-type embankment structure combined based on the ultralight material of waste tire-EPS and construction method that invention provides both may be used
To effectively reduce the sedimentation and relative settlement of roadbed, solve the problems, such as bumping at bridge-head, and waste tire recycles offer
New approach has important economic value and engineering significance, also plays an important role to improving the ecological environment.
Detailed description of the invention
Fig. 1 is the road-bridge transition section new-type embankment structure provided by the invention based on the ultralight material combination of waste tire-EPS
Schematic diagram；
Fig. 2 is to be formed by pile body structure schematic diagram by waste tire；
Fig. 3 is to be formed by pile body structure plan view by waste tire；
Fig. 4 is to be formed by pile body structure top view by waste tire；
In figure: 1 being bridge deck structure, 2 be bridge abutment structure, 3 be road surface structure, 4 be abutment foundation, 5 be EPS Ultralight
Material, 6 be sand or blotter, 7 for by waste tire be formed by pile body structure, 8 be waste tire, 9 be nut, 10 be containing
The stainless reinforcing bar of screw thread；11 be rigid annular shaped backing plate.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawing.
Referring to attached drawing:
A kind of road-bridge transition section road structure based on waste tire of the present invention of embodiment 1, including be used to support
Support unit between bridge floor and abutment foundation and the EPS Ultralight filler 5 for being filled in support portion gap, it is described
Support unit includes several elastic pile body structures, wherein the upper and lower end of elastic pile body structure respectively with the lower end surface of bridge floor 1, bridge
Stylobate plinth 4 is connected, and the elastic supporting pipe includes several waste tires 8 and the fixation kit for fixing waste tire, described
The tyre bead end surface of waste tire 8 is circumferentially arranged with several for the perforative mounting hole of fixation kit interconnecting piece, the waste and old wheel
Tire 8 is coaxially mutually stacked together from top to bottom, and is successively concatenated into a hollow elastic pile body structure by fixation kit
7；The EPS Ultralight filler 5 is filled in the hollow cavity of pile body structure and fills the bridge floor 1 and abutment base in road foundation
Between plinth 4 in gap and in the cavity of elastic pile body structure 7.
The fixation kit include two panels annular backing plate 11, several for contact waste tire connection reinforcing bar 10 and
It is bolted in and connects end reinforced fixture nut 9, the waste tire 8 is coaxially mutually stacked together from top to bottom, waste and old wheel
The tyre bead end face of tire 8 is circumferentially with several for being inserted into the mounting hole of connection reinforcing bar, and the tire tyre bead end face of the waste and old wheel in the top
And the tyre bead end face of bottom waste tire is respectively furnished with a piece of annular backing plate 11；The annular backing plate 11 circumferentially arranged with it is useless
The one-to-one location hole of the mounting hole of old tire 8；The connection reinforcing bar 10 successively penetrates the installation of waste tire from top to bottom
In hole, and the both ends for connecting reinforcing bar 10 are pierced by from the location hole of upper and lower two panels annular backing plate 11, fall in ipsilateral annular backing plate
Screwing sections fixture nut 9 outside 11 realizes the fastening between waste tire 8 and annular backing plate 11, so that waste tire 8 is gone here and there
It is unified into a hollow elastic pile body structure 7.
The EPS Ultralight filler 5 be the ultralight material of EPS, by EPS spherical particle, flyash, cement and banket according to
The match ratio of mass ratio 3:1:1:5 is stirred.
A kind of road-bridge transition section road structure based on waste tire described in 2 the present embodiment of embodiment, including for branch
Support the support unit between bridge floor and abutment foundation and the EPS Ultralight filler for being filled in support portion gap, institute
Stating support unit includes several elastic pile body structures, wherein the upper and lower end of elastic pile body structure respectively with the lower end surface of bridge floor, bridge
Stylobate plinth is connected, and the elastic supporting pipe includes several waste tires and the fixation kit for fixing waste tire, elastic pile
Body structure 7 can be completed by prefabrication, and EPS Ultralight filler 5 is inserted in construction.
8 outer surface of waste tire need to through feather plucking handle so that its surface have biggish frictional property, several same specifications
The from bottom to top overlapping arrangement of waste tire 8, the waste tire tyre bead end face upper surface of the top and the lowermost waste tire tire
Circle is respectively arranged rigid annular backing plate 11 at the lower surface of end face, by the mounting hole and annular backing plate on tyre bead end face
Location hole is fixed by the waste tire 8 of overlapping arrangement and annular backing plate 11 by connection reinforcing bar 10 and fixture nut 9, forms entirety and is in
The elastic pile body structure 7 of hollow cylinder.
Connection 10 both ends of reinforcing bar are provided with screw thread, and with 9 unified specification of fixture nut, length is slightly longer than by several waste tires
The elastic pile body structure 7 of composition, the entirety that the fixture nut 9 by tightening upper and lower side completes elastic pile body structure 7 are fixed.
The annular backing plate 11 is built up by the biggish steel plate of rigidity, and the thickness of annular section is slightly less than waste tire 8
Profile height, and it is reserved with hole identical with stainless 10 diameter of reinforcing bar.
The EPS Ultralight filler 5 is by EPS spherical particle, flyash, cement and bankets according to mass ratio 3:1:1:
5 match ratio is stirred, and is filled in 7 cavity of road foundation and elastic pile body structure in construction as filler.
Embodiment 3 is according to a kind of construction party of the road-bridge transition section road structure based on waste tire described in embodiment 1
Method, comprising the following steps:
(1) Roadbed Soil in 4 location of abutment 2 and abutment foundation is dug by the way of manually combining using mechanical
It removes and flattens, be laid with the sand or blotter 6 that a layer thickness is 35cm, roll compacting；
(2) surveying setting-out, the principle for putting frontier inspection survey based on side determine waste tire pile body structure 7 using theodolite
Position, it is desirable that error is not greater than 1cm；
(3) by steel pile casting perpendicular alignmnet stake position, steel pile casting is sunk into sand or rubble by the way of static pressure or pile vibrosinking
6 or less 0.5m of bed course takes related supporting measure to guarantee the stabilization of steel pile casting；
(4) by ultralight 5 placement in layers of material of preconfigured EPS on sand bedding course, every layer of filler should not be higher than 30cm, fill out
Leveling is rolled after building, makes every layer to banket and reaches design compactness, until reaching design road foundation height mark；
(5) waste tire is formed by pile body structure 7 using lifting machine to be placed into steel pile casting, and ensures its verticality
Deviation is not more than 0.5 °；
(6) ultralight 5 placement in layers of material of preconfigured EPS is formed by the cavity of pile body structure 7 in waste tire
And its in the gap between steel pile casting, using manually leveling is rolled, same every layer of filling height is not preferably greater than 30cm；
(7) after the ultralight material 5 of EPS fills completion, steel pile casting is extracted, while position where raw steel casing is carried out
The ultralight material backfill leveling of EPS；
(8) after completion to be onstructed 7 days, the consolidation effect that bankets is detected if bearing capacity is met the requirements and continues other
The construction of roadbed and road surface structure 3.
Working principle of the present invention is as follows:
Waste tire 8 and the ultralight material 5 of EPS are greatly reduced relative to the severe of former Roadbed Soil, can effectively reduce work
For the additional stress of subjacent bed, reduce the subgrade settlement generated by dead load, has to the stability for ensuring road structure
There is important role.
Waste tire 8 has extremely strong tension tensile strength, biggish toughness and corrosion resistance, can play the work of reinforcing body
With, and the ultralight material 5 of EPS that 7 internal cavity of pile body structure and outside can be formed by waste tire provides sidewise restraint
Power effectively improves the bearing capacity of roadbed.
Waste tire be formed by pile body structure 7 can with the native form compound foundation of the ultralight material of EPS 5, on shared
Portion's load action, meanwhile, 8 rough surface of waste tire can greatly improve waste tire and be formed by pile body structure 7 and surrounding
Confining pressure and frictional resistance between the ultralight material 5 of EPS increase the shearing strength and bearing capacity of Roadbed Soil entirety, can be effective
Reduce the sedimentation and relative settlement of road structure, effectively solves the problems, such as bumping at bridge-head.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Range should not be construed as being limited to the specific forms stated in the embodiments, and protection scope of the present invention also includes art technology
Personnel conceive according to the present invention it is conceivable that equivalent technologies mean.
Claims (5)
1. a kind of road-bridge transition section road structure based on waste tire, it is characterised in that: including being used to support in bridge floor and bridge
Support unit between stylobate plinth and the EPS Ultralight filler for being filled in support portion gap, the support unit packet
Several elastic pile body structures are included, wherein the upper and lower end of elastic pile body structure is connected with the lower end surface of bridge floor, abutment foundation respectively,
The elastic supporting pipe includes several waste tires and the fixation kit for fixing waste tire, the tyre bead of the waste tire
End surface circumferentially arranged with several for the perforative mounting hole of fixation kit interconnecting piece, the waste tire coaxial phase from top to bottom
It is mutually stacked together, and a hollow elastic pile body structure is successively concatenated by fixation kit；The EPS Ultralight filling
Object is filled in the hollow cavity of pile body structure and fills in gap and elastic between the bridge floor and abutment foundation of road foundation
In the cavity of pile body structure.
2. a kind of road-bridge transition section new-type embankment structure based on waste tire as described in claim 1, it is characterised in that: institute
State fixation kit include two panels annular backing plate, several for contact waste tire connection reinforcing bar and be bolted in connection reinforcing bar
The fixture nut of end, the waste tire are coaxially mutually stacked together from top to bottom, and the tyre bead end face of waste tire is circumferential
Equipped with several for being inserted into the mounting hole of connection reinforcing bar, and the tire tyre bead end face of waste and old wheel and bottom waste tire topmost
Tyre bead end face be respectively furnished with a piece of annular backing plate；The annular backing plate is corresponded circumferentially arranged with the mounting hole of waste tire
Location hole；The connection reinforcing bar is successively penetrated from top to bottom in the mounting hole of waste tire, and connects the both ends of reinforcing bar
It is pierced by from the location hole of upper and lower two panels annular backing plate, falls in the screwing sections fixture nut outside ipsilateral annular backing plate, realized waste and old
Fastening between tire and annular backing plate, so that waste tire is connected into a hollow pile body structure.
3. a kind of road-bridge transition section new-type embankment structure based on waste tire as claimed in claim 2, it is characterised in that: institute
The annular backing plate stated is built up by steel plate, and the thickness of annular section is less than the profile height of waste tire, and is reserved with and connect steel
The identical location hole of muscle diameter.
4. a kind of road-bridge transition section new-type embankment structure based on waste tire as described in claim 1, it is characterised in that: institute
Stating EPS Ultralight filler is the ultralight material of EPS, by EPS spherical particle, flyash, cement and is banketed according to mass ratio 3:1:
The match ratio of 1:5 is stirred.
5. a kind of road-bridge transition section road structure based on waste tire described in any one is applied according to claim 1~4
Work method, which comprises the following steps:
(1) Roadbed Soil in abutment and abutment foundation location is excavated and whole by the way of manually combining using machinery
It is flat, it is laid with one layer of sand or blotter, rolls compacting；
(2) surveying setting-out, the principle for putting frontier inspection survey based on side position pile body structure using theodolite, it is desirable that error must not
Greater than 1cm；
(3) by steel pile casting perpendicular alignmnet stake position, steel pile casting is sunk into sand or blotter by the way of static pressure or pile vibrosinking
Following 0.5m takes related supporting measure to guarantee the stabilization of steel pile casting；
(4) by preconfigured EPS Ultralight filler placement in layers on sand bedding course, every layer of filler should not be higher than 30cm, fill out
Leveling is rolled after building, makes every layer to banket and reaches design compactness, until reaching design road foundation height mark；
(5) waste tire is formed by elastic pile body structure using lifting machine to be placed into steel pile casting, and ensures its verticality
Deviation is not more than 0.5 °；
(6) by preconfigured EPS Ultralight filler placement in layers waste tire be formed by pile body structure cavity and
In its gap between steel pile casting, using manually leveling is rolled, same every layer of filling height is not preferably greater than 30cm；
(7) after EPS Ultralight filler fills completion, steel pile casting is extracted, while position where raw steel casing is carried out
The backfill leveling of EPS Ultralight filler；
(8) after completion to be onstructed 7 days, the consolidation effect that bankets is detected if bearing capacity is met the requirements and continues other roadbeds
And the construction of road surface structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910777633.6A CN110485266A (en) | 2019-08-22 | 2019-08-22 | A kind of road-bridge transition section road structure and construction method based on waste tire |
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| CN201910777633.6A CN110485266A (en) | 2019-08-22 | 2019-08-22 | A kind of road-bridge transition section road structure and construction method based on waste tire |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965398A (en) * | 2019-11-25 | 2020-04-07 | 中南大学 | Expansive soil foundation structure containing ballastless track roadbed and construction method |
| CN112127352A (en) * | 2020-08-25 | 2020-12-25 | 盐城工学院 | Anti-clogging vacuum consolidation drainage and special-shaped pile forming soft soil reinforcing method based on waste tires |
| CN112127359A (en) * | 2020-08-25 | 2020-12-25 | 盐城工学院 | Special-shaped pile cast-in-place pile forming method using waste tires as templates |
| CN112281626A (en) * | 2020-09-17 | 2021-01-29 | 华南理工大学 | Connecting structure of road and bridge and construction method thereof |
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