CN114763685A - Anti-deformation road structure - Google Patents

Anti-deformation road structure Download PDF

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Publication number
CN114763685A
CN114763685A CN202110028094.3A CN202110028094A CN114763685A CN 114763685 A CN114763685 A CN 114763685A CN 202110028094 A CN202110028094 A CN 202110028094A CN 114763685 A CN114763685 A CN 114763685A
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CN
China
Prior art keywords
layer
deformation
precast concrete
road structure
base layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110028094.3A
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Chinese (zh)
Inventor
朱长江
孙敦江
张卫国
李永荃
杨传峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinjiang Beixin Road and Bridge Group Co Ltd
Original Assignee
Xinjiang Beixin Road and Bridge Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Xinjiang Beixin Road and Bridge Group Co Ltd filed Critical Xinjiang Beixin Road and Bridge Group Co Ltd
Priority to CN202110028094.3A priority Critical patent/CN114763685A/en
Publication of CN114763685A publication Critical patent/CN114763685A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C3/00Foundations for pavings
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C3/00Foundations for pavings
    • E01C3/04Foundations produced by soil stabilisation
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C3/00Foundations for pavings
    • E01C3/06Methods or arrangements for protecting foundations from destructive influences of moisture, frost or vibration
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00Coherent pavings made in situ
    • E01C7/08Coherent pavings made in situ made of road-metal and binders
    • E01C7/32Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/24Prefabricated piles
    • E02D5/30Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/34Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E02D5/46Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Road Paving Structures (AREA)

Abstract

The invention provides an anti-deformation road structure which comprises a soil base layer, wherein rotary jet piles are correspondingly arranged on two sides of the soil base layer, precast concrete piles are vertically arranged in the soil base layer, a mattress layer is laid above the soil base layer, the tops of the precast concrete piles are located in the mattress layer, a waterproof layer is laid above the mattress layer, a cushion layer, a secondary base layer, a supporting layer, a base layer and a road surface wearing layer are sequentially laid above the waterproof layer, and by arranging multiple strength reinforcing structures such as the rotary jet piles, the precast concrete piles and the supporting layer, the strength and the integrity of a roadbed are greatly improved, and the road surface can be effectively prevented from deforming.

Description

Anti-deformation road structure
Technical Field
The invention relates to the technical field of roads, in particular to an anti-deformation road structure.
Background
Road deformation is one of the main diseases of roads, and is mainly caused by the repeated action of wheel loads, so that various plastic deformations are formed on the surface of a pavement, and are mainly embodied in deformation forms such as waves, pushing, ruts and the like. The conventional road deformation prevention method is generally realized by improving the strength of a road wearing layer, but the deformation of the road can be avoided only in a short time by changing the strength of the road wearing layer without changing the strength of a roadbed, and the problem of deformation still occurs after the road wearing layer is aged.
Therefore, a deformation-preventing road structure is needed, which can solve the problems that the existing road structure is low in roadbed strength and easy to cause road deformation after long-term use.
Disclosure of Invention
The invention aims to provide an anti-deformation road structure, which aims to solve the problems that the existing road structure is low in roadbed strength and easy to cause road deformation after long-time use.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides an anti-deformation road structure which comprises a soil base layer, wherein rotary jet piles are correspondingly arranged on two sides of the soil base layer, precast concrete piles are vertically arranged in the soil base layer, a mattress layer is laid above the soil base layer, the tops of the precast concrete piles are located in the mattress layer, a waterproof layer is laid above the mattress layer, and a mattress layer, a secondary base layer, a supporting layer, a base layer and a road surface wearing layer are sequentially laid above the waterproof layer.
Preferably, each side of the jet grouting pile comprises three rows of pile bodies, each row of pile bodies are meshed with each other, and two adjacent rows of pile bodies are arranged in a staggered and meshed manner.
Preferably, the diameter of the pile body is 40-60cm, and the height of the pile body is 3-6 m.
Preferably, the first and second electrodes are formed of a metal,the embedded density of the precast concrete pile is 4-9m2Root of the Chinese character,/root of the Chinese character.
Preferably, the diameter of the precast concrete pile is 20-30cm, and the height is 2-4 m.
Preferably, the thickness of the mattress layer is 20-30cm, and the height from the bottom end of the mattress layer to the top end of the precast concrete pile is 10-15 cm.
Preferably, the cushion layer is formed by paving graded broken stones, the grain size of the graded broken stones is 40-80mm, and the thickness of the cushion layer is 8-16 cm.
Preferably, the secondary base layer is formed by paving a mixture of lime and steel slag, wherein the content of the steel slag is more than or equal to 20%, and the paving thickness is 5-10 cm.
Preferably, the supporting layer is formed by laying a precast concrete supporting framework, the precast concrete supporting framework comprises an outer frame, a connecting strip is arranged in the outer frame, and the connecting strip divides the inside of the outer frame into a plurality of triangular spaces.
Preferably, the base layer is formed by paving a mixture of gravel and steel slag, wherein the content of the steel slag is more than or equal to 10%, the particle size of the steel slag is 5-15mm, the particle size of the gravel is 5-30mm, and the paving thickness of the base layer is 6-12 cm.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides an anti-deformation road structure which comprises a soil base layer, wherein rotary jet piles are correspondingly arranged on two sides of the soil base layer, precast concrete piles are vertically arranged in the soil base layer, a mattress layer is laid above the soil base layer, the tops of the precast concrete piles are located in the mattress layer, a waterproof layer is laid above the mattress layer, a cushion layer, a secondary base layer, a supporting layer, a base layer and a road surface wearing layer are sequentially laid above the waterproof layer, and by arranging multiple strength reinforcing structures such as the rotary jet piles, the precast concrete piles and the supporting layer, the strength and the integrity of a roadbed are greatly improved, and the road surface can be effectively prevented from deforming.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a cross-sectional view of a deformation-preventing road structure according to the present invention;
FIG. 2 is a partial cross-sectional view of a rotary spray pile of an anti-deformation road structure provided by the invention;
FIG. 3 is a schematic structural view of a concrete supporting framework part of an anti-deformation road structure provided by the invention;
in the figure: 1: soil base layer, 2: jet grouting pile, 21: pile body, 3: precast concrete pile, 4: mattress layer, 5: waterproof layer, 6: cushion layer, 7: secondary base layer, 8: support layer, 81: outer frame, 82: connecting strip, 83: triangular space, 9: base layer, 10: a road surface wearing layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an anti-deformation road structure, which aims to solve the problems that the existing road structure is low in roadbed strength and easy to cause road deformation after long-term use.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1:
the embodiment provides a shape road structure of preapring for an unfavorable turn of events, as shown in fig. 1, including soil base layer 1, the both sides correspondence of soil base layer 1 is provided with spouts stake 2 soon, the vertical precast concrete stake 3 that is equipped with in the soil base layer 1, mattress layer 4 has been laid to soil base layer 1's top, the top of precast concrete stake 3 is located mattress layer 4, waterproof layer 5 has been laid to mattress layer 4's top, bed course 6, inferior basic unit 7, supporting layer 8, basic unit 9 and road surface wearing and tearing layer 10 have been laid in proper order to waterproof layer 5's top.
Specifically, as shown in fig. 2, each side jet grouting pile 2 includes three rows of pile bodies 21, and each row of pile bodies 21 is engaged with each other, and two adjacent rows of pile bodies 21 are engaged with each other in a staggered manner, so that the displacement and deformation of the road base to both sides can be effectively prevented by arranging the jet grouting piles 2.
Further, the diameter of the pile body 21 is 40cm, and the height is 3 m.
Further, the embedded density of the precast concrete piles 3 is 4m2The/root, two adjacent precast concrete stake 3's interval is 2m promptly, can effectively guarantee the intensity of soil basic unit 1 through setting up precast concrete stake 3, avoids taking place to subside.
Further, the precast concrete pile 3 has a diameter of 20cm and a height of 2 m.
Further, the thickness of mattress layer 4 is 20cm, and the height of the bottom of mattress layer 4 to precast concrete pile 3 top is 10cm, through setting up mattress layer 4 in order to improve the homogeneity wholeness of road bed.
Furthermore, the cushion layer 6 is formed by paving graded broken stones, the grain size of the graded broken stones is 40-80mm, and the thickness of the cushion layer 6 is 16 cm.
Further, the secondary base layer 7 is formed by paving a mixture of lime and steel slag, wherein the content of the steel slag is 20%, and the paving thickness is 6 cm.
Further, as shown in fig. 3, the supporting layer 8 is formed by laying a precast concrete supporting framework, the precast concrete supporting framework includes an outer frame 81, a connecting strip 82 is arranged in the outer frame 81, the connecting strip 82 separates the inside of the outer frame 81 into a plurality of triangular blank spaces 83, and the triangular blank spaces can avoid the damage to the road caused by transverse stress due to the fact that the triangle has stability.
Further, the base layer 9 is formed by paving a mixture of gravel and steel slag, wherein the content of the steel slag is 10%, the particle size of the steel slag is 5-15mm, the particle size of the gravel is 5-30mm, and the paving thickness of the base layer 9 is 10 cm.
According to the deformation-preventing road structure provided by the invention, the strength and integrity of a roadbed are greatly improved by arranging multiple strength reinforcing structures such as the jet grouting piles, the precast concrete piles, the supporting layer and the like, and the deformation of a road surface can be effectively prevented.
The principle and the implementation mode of the invention are explained by applying specific examples, and the description of the above examples is only used for helping understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.

Claims (10)

1. The utility model provides a shape road structure of preapring for an unfavorable turn of events which characterized in that: including the soil base layer, the both sides correspondence of soil base layer is provided with the jet grouting stake, the vertical precast concrete stake that is equipped with in the soil base layer, the mattress layer has been laid to the top of soil base layer, the top of precast concrete stake is located in the mattress layer, the waterproof layer has been laid to the top of mattress layer, bed course, inferior basic unit, supporting layer, basic unit and road surface wearing and tearing layer have been laid in proper order to the top of waterproof layer.
2. The deformation-preventing road structure according to claim 1, wherein: each side of the jet grouting pile comprises three rows of pile bodies, each row of pile bodies are meshed with each other, and two adjacent rows of pile bodies are arranged in a staggered and meshed mode.
3. The deformation-preventing road structure according to claim 2, wherein: the diameter of the pile body is 40-60cm, and the height of the pile body is 3-6 m.
4. The deformation-preventing road structure according to claim 1, wherein: the embedded density of the precast concrete pile is 4-9m2A root/root.
5. The deformation-preventing road structure according to claim 4, wherein: the diameter of the precast concrete pile is 20-30cm, and the height of the precast concrete pile is 2-4 m.
6. The deformation-preventing road structure according to claim 1, wherein: the thickness of the mattress layer is 20-30cm, and the height from the bottom end of the mattress layer to the top end of the precast concrete pile is 10-15 cm.
7. The deformation-preventing road structure according to claim 1, wherein: the cushion layer is formed by paving graded broken stones, the grain size of the graded broken stones is 40-80mm, and the thickness of the cushion layer is 8-16 cm.
8. The deformation-preventing road structure according to claim 1, wherein: the secondary base layer is formed by paving a mixture of lime and steel slag, wherein the content of the steel slag is more than or equal to 20%, and the paving thickness is 5-10 cm.
9. The deformation-preventing road structure according to claim 1, wherein: the supporting layer is formed by laying a precast concrete supporting framework, the precast concrete supporting framework comprises an outer frame, connecting strips are arranged in the outer frame, and the inner part of the outer frame is divided into a plurality of triangular spaces by the connecting strips.
10. The deformation-preventing road structure according to claim 1, wherein: the base layer is paved by a mixture of gravels and steel slag, wherein the content of the steel slag is more than or equal to 10%, the particle size of the steel slag is 5-15mm, the particle size of the gravels is 5-30mm, and the paving thickness of the base layer is 6-12 cm.
CN202110028094.3A 2021-01-11 2021-01-11 Anti-deformation road structure Pending CN114763685A (en)

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CN202110028094.3A CN114763685A (en) 2021-01-11 2021-01-11 Anti-deformation road structure

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Publication Number Publication Date
CN114763685A true CN114763685A (en) 2022-07-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116497657A (en) * 2023-05-11 2023-07-28 南京乾锦川新材料有限公司 Semi-flexible pavement structure and construction method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9108272D0 (en) * 1990-04-30 1991-06-05 Lam Heng B Method of constructing a roadway
JP2005290889A (en) * 2004-04-01 2005-10-20 Giken Seisakusho Co Ltd Structure of depressed road and its execution method
CN103774515A (en) * 2014-02-20 2014-05-07 中铁第四勘察设计院集团有限公司 High speed railway embankment structure in salty soil regions
CN204940030U (en) * 2015-07-22 2016-01-06 山西省交通科学研究院 Reconstruction and extension project new-old concrete bond Pavement mosaic structure
CN205276298U (en) * 2015-12-30 2016-06-01 湖南城建职业技术学院 Building composite foundation
CN205576637U (en) * 2016-04-06 2016-09-14 中铁第四勘察设计院集团有限公司 Processing closes on roadbed structure of existing line soft soil foundation
CN109082962A (en) * 2018-09-11 2018-12-25 江西赣粤高速公路工程有限责任公司 Environment-friendly construction method for expressway
CN208777095U (en) * 2018-05-24 2019-04-23 滨州学院 A kind of fastening anti-scattered antiseepage water type airport rubber asphalt road structure
CN109958018A (en) * 2019-04-16 2019-07-02 新疆北新路桥集团股份有限公司 A kind of heavy rainfall urban road water-permeable pavement structure and its construction method

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9108272D0 (en) * 1990-04-30 1991-06-05 Lam Heng B Method of constructing a roadway
JP2005290889A (en) * 2004-04-01 2005-10-20 Giken Seisakusho Co Ltd Structure of depressed road and its execution method
CN103774515A (en) * 2014-02-20 2014-05-07 中铁第四勘察设计院集团有限公司 High speed railway embankment structure in salty soil regions
CN204940030U (en) * 2015-07-22 2016-01-06 山西省交通科学研究院 Reconstruction and extension project new-old concrete bond Pavement mosaic structure
CN205276298U (en) * 2015-12-30 2016-06-01 湖南城建职业技术学院 Building composite foundation
CN205576637U (en) * 2016-04-06 2016-09-14 中铁第四勘察设计院集团有限公司 Processing closes on roadbed structure of existing line soft soil foundation
CN208777095U (en) * 2018-05-24 2019-04-23 滨州学院 A kind of fastening anti-scattered antiseepage water type airport rubber asphalt road structure
CN109082962A (en) * 2018-09-11 2018-12-25 江西赣粤高速公路工程有限责任公司 Environment-friendly construction method for expressway
CN109958018A (en) * 2019-04-16 2019-07-02 新疆北新路桥集团股份有限公司 A kind of heavy rainfall urban road water-permeable pavement structure and its construction method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116497657A (en) * 2023-05-11 2023-07-28 南京乾锦川新材料有限公司 Semi-flexible pavement structure and construction method thereof
CN116497657B (en) * 2023-05-11 2023-11-10 南京乾锦川新材料有限公司 Semi-flexible pavement structure and construction method thereof

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Application publication date: 20220719