CN103741566B - A kind of composite tyre-rubble anti-skid draining subgrade structure and construction method - Google Patents
A kind of composite tyre-rubble anti-skid draining subgrade structure and construction method Download PDFInfo
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- CN103741566B CN103741566B CN201410019823.9A CN201410019823A CN103741566B CN 103741566 B CN103741566 B CN 103741566B CN 201410019823 A CN201410019823 A CN 201410019823A CN 103741566 B CN103741566 B CN 103741566B
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- tire
- rubble
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- roadbed
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Abstract
The invention discloses a kind of composite tyre rubble anti-skid draining subgrade structure and construction method, including junked tire, connector and rubble, longitudinally slit junked tire is sequentially placed in vertex of a triangle by the shape of equilateral triangle, pass sequentially through connector to connect, it is embedded on ground, rubble is filled in equilateral triangle inside and wheel tyre cavity fills rubble, the most thereon constructing soil roadbed.Junked tire is arranged in bottom roadbed and is equivalent to the part soil body and is replaced by the present invention, and frictional force between the soil body and junked tire or significantly increased compared to the frictional force of inside soil body by the frictional force of rubble with tire mediate contact, it is no matter also non-cohesive soil for cohesive soil, all as increased cohesive strength or the internal friction angle of the soil body, improve the stability of roadbed side slope.
Description
Technical field
The present invention relates to field of road, particularly relate to a kind of composite tyre-rubble anti-skid draining subgrade structure and execute
Work method.
Background technology
In recent years, along with people's living standard steps up and logistics high speed development, the private car recoverable amount of China and
The quantity of lorry improves year by year.The increase of vehicle fleet size has driven expanding economy, simultaneously automobile tire consumption and abrasion also
Creating a lot of rubbish junked tires, " black pollution " that increasing junked tire is formed is threaten full people
The living environment of class.At present, it is that comparison is many using junked tire as the way that resource reclaim recycles, the main way of recycling
Footpath has: heat energy utilization, thermally decomposes, produce reclaimed rubber etc., wherein, junked tire application in road construction be various countries' research and
The emphasis of application.On the other hand, in the area (such as Yellow River floodplain district) that some levels of ground water are higher, the hygroscopic softening of subgrade soils,
Causing subgrade strength that acutely decay occurs, under the vehicle heavy duty comprehensive function with water, easily there is all kinds of disease in roadbed, such as road
It is empty or cave in that base sinking, slope erosion coombe, crevice of roadbed or slip collapses, roadbed pitfall or dark hole, end of the bridge protect cone punching, serious shadow
Ring safety and the comfortableness of road, " junked tire summary of Application in civil engineering " literary composition is mentioned with peviform one side of something tire
The method built the road, but its tire does not constitutes entirety, constructs the most concrete with construction method.
Summary of the invention
The present invention is to solve the problems referred to above, propose a kind of composite tyre-rubble anti-skid draining subgrade structure and construction party
Method, contributes to alleviating " black pollution " problem that junked tire brings, waste recovery is recycled, play the work of protection environment
With.It addition, comprehensively utilized with rubble by junked tire, effectively prevent roadbed side slope slump, improve the stability of roadbed.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of composite tyre-rubble anti-skid draining subgrade structure, including junked tire, connector and rubble, will longitudinally cut
The junked tire opened is sequentially placed in vertex of a triangle by the shape of equilateral triangle, passes sequentially through connector and connects, waste and old
Tire is embedded on ground, and equilateral triangle is internal and wheel tyre cavity is filled with rubble, constructing soil roadbed the most thereon.
Described connector is prepared from by resistant material.
A kind of construction method using above-mentioned subgrade structure, the steps include:
(1) by smooth for the compacting of original ground making face, tire longitudinally crooked phenomenon is prevented；
(2) longitudinally being cut open by junked tire, be arranged on ground by equilateral triangle, wheel fetal rhythm, away from 1.5m, uses connector
Basin shape tire transverse binding is coupled together；
(3) being filled by rubble between peviform tire and in tire, rubble filled height is higher than the height of basin shape one side of something tire
0.5-5cm, it is noted that protect the lateral connection between tire when filling rubble；
(4) constructing soil roadbed after rolling compacting.
The operation principle of the present invention:
Reinforcement performance:
The Slide variation rate of roadbed side slope is relevant with the shearing strength of the soil body, the shearing strength of the soil body For the internal friction angle of the soil body, cohesive strength, direct stress, internal friction angle are the biggest, and shearing strength is the biggest, then Slide variation rate is more
Greatly, slight slope is the most stable.
For increase slight slope Slide variation rate, most of engineerings use GSZ, increase the soil body skid resistance and
Resisting moment.The present invention uses the webbed junked tire of connection to replace GSZ, and tire anti-corrosion capability is strong, aging resistance,
Tire estimate the life-span at least 200 years, it all has a stronger bearing capacity in direction in length and breadth, and the interaction between soil particle is strong,
Reinforced action can be played at short notice, strengthen the overall performance of the soil body.
Lay connecting webbed basin type one side of something wheel tyre bead soil body principal strain directions to make up soil shear strength not
Foot, its mechanism of action is somewhat similarly to armored concrete in this respect.The reason that tensile strength strengthens comes from tire and the soil body
Interaction, the high intensity of tyre wall can ensure that stress transmits along tire and soil body contact surface continuous print, connects into net
The tire of shape is laid in the soil body according to certain angle, can fully retrain the lateral displacement of soil particle, thus greatly increase
The self-support stability of the soil body.
Drainage performance:
In the region that level of ground water is higher, the rubble drainage blanket of roadbed bottom can play good drainage effect,
Under the influence of capillary water, when arranging blotter, owing to its infiltration coefficient is relatively big, capillary water rises to bed course, major part along
Bed course is laterally discharged roadbed, only small part and is permeated up through bed course, therefore when having blotter, bottom roadbed, water content compares nothing
During blotter, water content reduces a lot.When arranging blotter, the intensity of roadbed, stability and bearing capacity can obtain relatively
Big raising.
The invention have the benefit that
1, junked tire is arranged in bottom roadbed is equivalent to the part soil body and is replaced, and between the soil body and junked tire
Frictional force or the frictional force by rubble with tire mediate contact significantly increase compared to the frictional force of inside soil body, no matter for
Cohesive soil is also non-cohesive soil, all as increased cohesive strength or the internal friction angle of the soil body, improves the stability of roadbed side slope；
2, junked tire-Gravel road base handle measure can make subgrade rating significantly improve, and improves resistance to shear of soil environment,
Effectively reduce settling amount；
3, waste recovery is recycled, protect environment.
Accompanying drawing explanation
Fig. 1 is the structural representation top view of the present invention；
Fig. 2 is the reinforcing road bed schematic cross-sectional view of the present invention.
Wherein, 2, junked tire, 3, rubble, 4, connector, 5, roadbed, 6, ground.
Detailed description of the invention:
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of composite tyre-rubble anti-skid draining subgrade structure, including junked tire 2, connector 4 and broken
Stone 3, is sequentially placed in vertex of a triangle by longitudinally slit junked tire 2 by the shape of equilateral triangle, the company of passing sequentially through
Fitting 4 connects, and is embedded on ground 6, and rubble 3 is filled in equilateral triangle inside and wheel tyre cavity, the most thereon constructing soil
Roadbed 5.
(1) reinforcement performance
The Slide variation rate of roadbed side slope is relevant with the shearing strength of the soil body, the shearing strength of the soil body For the internal friction angle of the soil body, cohesive strength, direct stress, internal friction angle are the biggest, and shearing strength is the biggest, then Slide variation rate is more
Greatly, slight slope is the most stable.
For increase slight slope Slide variation rate, most of engineerings use GSZ, increase the soil body skid resistance and
Resisting moment.The present invention uses the webbed junked tire 2 replacement GSZ of connection, and tire anti-corrosion capability is strong, aging resistance,
Tire estimate the life-span at least 200 years, it all has a stronger bearing capacity in direction in length and breadth, and the interaction between soil particle is strong,
Reinforced action can be played at short notice, strengthen the overall performance of the soil body.
Lay connecting webbed basin type one side of something wheel tyre bead soil body principal strain directions to make up soil shear strength not
Foot, its mechanism of action is somewhat similarly to armored concrete in this respect.The reason that tensile strength strengthens comes from tire and the soil body
Interaction, the high intensity of tyre wall can ensure that stress transmits along tire and soil body contact surface continuous print, connects into net
The tire of shape is laid in the soil body according to certain angle, can fully retrain the lateral displacement of soil particle, thus greatly increase
The self-support stability of the soil body.
Junked tire 2 is arranged in bottom roadbed and is equivalent to the part soil body and is replaced, and between the soil body and junked tire
Frictional force or the frictional force by rubble with tire mediate contact significantly increase compared to the frictional force of inside soil body, no matter for
Cohesive soil is also non-cohesive soil, all as increased cohesive strength or the internal friction angle of the soil body, improves the stability of roadbed side slope.
(2) drainage performance
In the region that level of ground water is higher, rubble 3 drainage blanket of roadbed bottom can play good drainage effect,
Under the influence of capillary water, when arranging rubble 3 bed course, owing to its infiltration coefficient is relatively big, capillary water rises to bed course, major part along
Bed course is laterally discharged roadbed 5, only small part and is permeated up through bed course, therefore water content ratio bottom roadbed when having rubble 3 bed course
Reduce a lot without water content during rubble 3 bed course.When arranging rubble 3 bed course, the intensity of roadbed 5, stability and bearing capacity are permissible
Obtain bigger raising.
Junked tire-Gravel road base handle measure can make roadbed 5 bearing capacity significantly improve, and improves resistance to shear of soil environment,
Effectively reduce settling amount.
A kind of construction method using above-mentioned subgrade structure, the steps include:
(1) by smooth for the compacting of original ground making face, peviform tire longitudinally crooked phenomenon is prevented；
(2) longitudinally being cut open by junked tire 2, be arranged on ground 6 by equilateral triangle, wheel fetal rhythm is away from 1.5m, with laterally
The resistant material that the high molecular polymers such as connector 3(polypropylene, polrvinyl chloride are made) peviform tire colligation connected into as
Form shown in Fig. 1；
(3) rubble 3 is filled between peviform tire and in tire, filling rubble 3 in tire is for follow-up fill construction
Do mechanization operation is convenient, and rubble 3 filled height can be slightly higher than the height of basin shape one side of something tire, it is noted that protect when filling rubble 3
Lateral connection between tire；
(4) constructing soil roadbed 5 after rolling compacting, roadbed 5 transverse section after having filled is as shown in Figure 2.
Example one:
Using this composite road bed scene of doing to test in blue or green Lingao certain contract section of speed, this section of road foundation height mark 5.5m, tire is arranged
Form is equilateral triangle, and wheel fetal rhythm is away from 1.6m, and the band-shaped joint member 4 made with polyvinyl chloride macromolecule material is by peviform tire
Colligation connects into netted, rubble filled height 20cm.Punishment result shows, after subgrade construction completes 3 years, side slope is existing without slump
As, roadbed 5 bottom water content of soil is relatively low, and this shows, this form roadbed 5 is being reinforced and played a good role in draining,
Improve the stability of roadbed 5.
Example two:
Shandong provincial highway S103 is in Yellow River floodplain district, and this district's level of ground water is higher, for ensureing the stability of roadbed 5, at certain
A little composite tyres-rubble Subgrade 5, punishment section roadbed 5 designed elevation is generally 4.5m～6.5m, tire arrangement form
Being equilateral triangle, wheel fetal rhythm is away from 1.5m, and the band-shaped joint member 4 made with polyvinyl chloride macromolecule material is by peviform tire colligation
Connect into netted, rubble 3 filled height 25cm.Punishment result shows, highway operation is after 5 years, and side slope is without slump phenomenon, rubble 3
The following water content of soil of bed course is higher, and rubble 3 bed course above subgrade soils water content is relatively low, the most stable bottom roadbed 5, and road surface is without curved
Heavy phenomenon, this shows, this form roadbed 5 has significant effect when tackling phreatic high.
Although the detailed description of the invention of the present invention is described by the above-mentioned accompanying drawing that combines, but not the present invention is protected model
The restriction enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme, and those skilled in the art are not
Need to pay various amendments or deformation that creative work can make still within protection scope of the present invention.
Claims (3)
1. composite tyre-rubble anti-skid draining subgrade structure, is characterized in that: a kind of composite tyre-rubble anti-skid draining road
Base constructs, including junked tire, connector and rubble, it is characterised in that: longitudinally slit junked tire is pressed equilateral triangle
Shape be sequentially placed in vertex of a triangle, wheel fetal rhythm, away from 1.5m, passes sequentially through connector and connects into netted, and junked tire buries
Being placed on ground, equilateral triangle is internal and wheel tyre cavity is filled with rubble, constructing soil roadbed the most thereon, netted connecting into
Wheel tyre bead soil body principal strain directions lay, to make up the deficiency of soil shear strength, connect webbed tire according to necessarily
Angle be laid in the soil body, tyre wall proof stress transmits along tire and soil body contact surface continuous print, can fully retrain soil
The lateral displacement of granule, described tire and described rubble comprehensive function improve the Slide variation rate of slight slope.
2. a kind of composite tyre-rubble anti-skid draining subgrade structure as claimed in claim 1, is characterized in that: described connector
It is prepared from by resistant material.
3. use a construction method for subgrade structure as claimed in claim 1 or 2, it is characterized in that: the steps include:
(1) by smooth for the compacting of original ground making face, tire longitudinally crooked phenomenon is prevented；
(2) longitudinally being cut open by junked tire, be arranged on ground by equilateral triangle, wheel fetal rhythm is away from 1.5m, with connector by basin
Shape tire transverse binding couples together；
(3) being filled by rubble between basin shape tire and in tire, rubble filled height is higher than the height 0.5-of basin shape one side of something tire
5cm, it is noted that protect the lateral connection between tire when filling rubble；Should connecting webbed basin shape one side of something wheel tyre bead soil body master
Change direction laying with the deficiency making up soil shear strength；It is laid on connecting webbed tire according to certain angle simultaneously
In the soil body, tyre wall proof stress transmits along tire and soil body contact surface continuous print, fully to retrain the lateral position of soil particle
Move, thus increase the self-support stability of the soil body；
(4) constructing soil roadbed after rolling compacting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410019823.9A CN103741566B (en) | 2014-01-16 | 2014-01-16 | A kind of composite tyre-rubble anti-skid draining subgrade structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410019823.9A CN103741566B (en) | 2014-01-16 | 2014-01-16 | A kind of composite tyre-rubble anti-skid draining subgrade structure and construction method |
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| Publication Number | Publication Date |
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| CN103741566A CN103741566A (en) | 2014-04-23 |
| CN103741566B true CN103741566B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410019823.9A Expired - Fee Related CN103741566B (en) | 2014-01-16 | 2014-01-16 | A kind of composite tyre-rubble anti-skid draining subgrade structure and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113863080A (en) * | 2021-10-22 | 2021-12-31 | 周口市公路勘察设计院 | Rigid pavement structure with energy recovery function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4801217A (en) * | 1986-11-24 | 1989-01-31 | Jerry Goldberg | Construction mat formed from discarded tire beads and method for its use |
| US5846021A (en) * | 1995-08-02 | 1998-12-08 | Bailey; Denzil C. | Road base matrix |
| CN201169733Y (en) * | 2008-03-13 | 2008-12-24 | 上海交通大学 | Tire lattice structure for reinforcing embankment |
| CN101725101A (en) * | 2008-10-10 | 2010-06-09 | 中国二十冶建设有限公司 | Construction method of waste tyre earth roadbed |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE361397T1 (en) * | 1998-08-06 | 2007-05-15 | Ecoflex Au Pty Ltd | FOUNDATION CONSTRUCTION MADE OF TIRES |
-
2014
- 2014-01-16 CN CN201410019823.9A patent/CN103741566B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4801217A (en) * | 1986-11-24 | 1989-01-31 | Jerry Goldberg | Construction mat formed from discarded tire beads and method for its use |
| US5846021A (en) * | 1995-08-02 | 1998-12-08 | Bailey; Denzil C. | Road base matrix |
| CN201169733Y (en) * | 2008-03-13 | 2008-12-24 | 上海交通大学 | Tire lattice structure for reinforcing embankment |
| CN101725101A (en) * | 2008-10-10 | 2010-06-09 | 中国二十冶建设有限公司 | Construction method of waste tyre earth roadbed |
Non-Patent Citations (3)
| Title |
|---|
| "废旧轮胎在国外道路工程中的应用";曾玉珍等;《国外公路》;20000229;第20卷(第1期);39-41 * |
| "废旧轮胎在道路工程中的应用";陆兆峰等;《交通标准化》;20070831(第8期);178-181 * |
| "废旧轮胎在道路工程中的应用综述";曹卫东;《交通标准化》;20050630(第6期);78-82 * |
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