CN216919883U - Temporary road structure of soil foundation - Google Patents

Temporary road structure of soil foundation Download PDF

Info

Publication number
CN216919883U
CN216919883U CN202220440826.XU CN202220440826U CN216919883U CN 216919883 U CN216919883 U CN 216919883U CN 202220440826 U CN202220440826 U CN 202220440826U CN 216919883 U CN216919883 U CN 216919883U
Authority
CN
China
Prior art keywords
soil
road
slip casting
temporary road
wrapping
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.)
Active
Application number
CN202220440826.XU
Other languages
Chinese (zh)
Inventor
刘勇
姚裕春
石志龙
彭家贵
季学亮
谢晓林
王庆乐
王正兵
万军
刘强
王文涛
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.)
CREEC Chongqing Survey Design and Research Co Ltd
Original Assignee
CREEC Chongqing Survey Design and Research 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.)
Filing date
Publication date
Application filed by CREEC Chongqing Survey Design and Research Co Ltd filed Critical CREEC Chongqing Survey Design and Research Co Ltd
Priority to CN202220440826.XU priority Critical patent/CN216919883U/en
Application granted granted Critical
Publication of CN216919883U publication Critical patent/CN216919883U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

Landscapes

  • Road Paving Structures (AREA)

Abstract

The utility model discloses a temporary road structure of a soil foundation, which comprises a wrapping structure and a stable structure, wherein the wrapping structure is laid on the soil foundation of a road and is formed by a cement blanket and backfill soil wrapped in the cement blanket; the stable structure includes the slip casting soil nail, covers roof beam and nut, it establishes along the longitudinal interval of road to cover the roof beam to wrap up structurally, the slip casting soil nail interval is established press on covering the roof beam, just the slip casting soil nail passes wrap up structure after-fixing in soil property ground, the nut spiro union is in slip casting soil nail upper end. The problems of road surface argillization, uneven pitting, poor operation effect and the like existing in the temporary road of the soil foundation are effectively solved, and the temporary road has the characteristics of convenience in construction, economy, environmental protection, contribution to popularization and application and the like.

Description

Temporary road structure of soil foundation
Technical Field
The utility model relates to the technical field of geotechnical engineering, in particular to a soil texture temporary road structure.
Background
Due to the limits of engineering positions, engineering characteristics, engineering conditions and the like in large-scale engineering construction, most of the engineering construction needs to construct temporary roads to effectively solve the transportation problems of engineering materials, earthwork and the like during construction, and the construction efficiency is improved. The temporary road has short service time, but has great influence on the transport capacity in the construction period, if a traditional gravel road surface structure is adopted, the road surface structure is very easy to be argillized and unevenly dug, and the performance is more serious when the temporary road is influenced by repeated actions of rain fall, so that the transport capacity of the construction road is limited, and the potential safety hazard is great; if a cement pavement or asphalt concrete pavement structure is adopted, the pavement structure must meet enough thickness, otherwise, the pavement structure is easy to break or crack, so that the use function of the pavement structure cannot be achieved, and the engineering investment is huge when the structure thickness meets the requirement of a heavy-duty truck.
Disclosure of Invention
Aiming at the technical problems existing at present, the utility model provides a soil-based temporary road structure to solve the problems in the prior art.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a temporary road structure of a soil foundation comprises a wrapping structure and a stabilizing structure, wherein the wrapping structure is paved on the soil foundation of a road and is formed by a cement blanket and backfill soil wrapped in the cement blanket;
the stable structure includes the slip casting soil nail, covers roof beam and nut, it establishes along the longitudinal interval of road to cover the roof beam to wrap up structurally, the slip casting soil nail interval is established press on covering the roof beam, just the slip casting soil nail passes wrap up structure after-fixing in soil property ground, the nut spiro union is in slip casting soil nail upper end.
Preferably, the wrapping structure is formed by longitudinally splicing a plurality of sections along the road.
Preferably, each segment of the wrapping structure has a length of 10m to 20 m.
Preferably, the stabilizing structure is provided at intervals of 15m to 20 m.
Preferably, the setting interval of the grouting soil nails is 2m-3 m.
Preferably, the distance of the grouting soil nail entering the stable foundation is not less than 3 m.
Compared with the prior art, the utility model has the beneficial effects that: the backfill soil in the wrapping structure has better strength and cannot be influenced by rainfall and infiltration under the action of wrapping and sewing the cement blankets, the cement blankets have higher strength and good durability when being sprinkled and cured, the inner backfill soil can be protected, good basic conditions are provided for the walking of upper automobiles, the cement blankets are of flexible structures before being sprinkled with water, the inner backfill soil is convenient to construct and roll, and the cement blankets are easy to sew, so that a wrapping and sealing structure can be well formed, the wrapping structure can be used as a pavement structure of a temporary road to replace a traditional gravel soil pavement structure, and the wrapping structure has the characteristics of high strength, good economy, no argillization, convenient construction and the like; the stable structure that the interval set up can provide more stability, reinforcing road fore-and-aft anti deformability for the parcel structure, especially has obvious stability reinforcing effect when the longitudinal gradient of road is great, avoids the parcel structure to produce along soil texture ground and slides and warp, and wherein the slip casting soil nail improves firm pulling force, covers the roof beam and makes parcel structure and ground form better friction fixation body, nut messenger slip casting soil nail and cover the roof beam and form effective fixed knot structure. The problems of road surface argillization, uneven pitting, poor operation effect and the like existing in the temporary road of the soil foundation are effectively solved, and the temporary road has the characteristics of convenience in construction, economy, environmental protection, contribution to popularization and application and the like.
Description of the drawings:
FIG. 1 is a schematic cross-sectional view of the present invention;
fig. 2 is a schematic plan view of the present invention.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should be understood that the scope of the above-described subject matter is not limited to the following examples, and any techniques implemented based on the disclosure of the present invention are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
The temporary road structure of the soil foundation shown in the attached figures 1-2 comprises a wrapping structure and a stabilizing structure, wherein the wrapping structure is paved on a road soil foundation, the wrapping structure is formed by a cement blanket 11 and backfill soil 12 wrapped in the cement blanket 11, the wrapping structure is formed by splicing a plurality of sections along the longitudinal direction of a road, the length of each section of the wrapping structure is 10m-20m, the cement blankets between the sections and between the transverse directions of the road are fixed by sewing, the sewing strength is not less than the structural strength of the cement blanket, the backfill soil wrapped by the cement blanket is compacted, the compaction coefficient is not less than 0.9, and the thickness of the backfill soil is not less than 0.5 m.
The stable structure includes slip casting soil nail 21, pressure roof beam 22 and nut 23, and pressure roof beam 22 is established on the parcel structure along the longitudinal separation of road, and slip casting soil nail 21 interval is established on pressure roof beam 22, and slip casting soil nail 21 passes parcel structure after-fixing in the soil property ground, and nut 23 spiro union is in slip casting soil nail 21 upper end. The setting interval of the stable structure is 15m-20m, the setting interval of the grouting soil nails 21 is 2m-3m, and the distance from the grouting soil nails 21 to the stable foundation is not less than 3 m.
The construction sequence of the temporary road in this embodiment is as follows: leveling soil foundation → paving cement blanket on the foundation → watering and curing the bottom of the cement blanket → backfilling in the cement blanket in the sectional construction → sealing the sectional backfilling by wrapping and sewing the cement blanket → spraying and curing the water on the periphery and the top surface of the sectional wrapping structure → repeating the construction of the next sectional wrapping structure → placing grouting soil nails → grouting soil nails for constructing a stable structure → pressing and covering beams and nuts for constructing the stable structure.
The backfill in the wrapping structure has better strength and cannot be influenced by rainwater infiltration under the action of wrapping and sewing the cement blankets, the cement blankets have higher strength and good durability in sprinkling and curing, the inner backfill can be protected, good basic conditions are provided for the walking of upper automobiles, the cement blankets are of flexible structures before sprinkling, the inner backfill is convenient to construct and roll, and the cement blankets are easy to sew, so that a wrapping closed structure can be well formed, the wrapping structure can be used as a pavement structure of a temporary road to replace a traditional gravel soil pavement structure, and the wrapping structure has the characteristics of high strength, good economical efficiency, no argillization, convenience in construction and the like; the stable structure that the interval set up can provide more stability, reinforcing road fore-and-aft anti deformability for the parcel structure, especially has obvious stability reinforcing effect when the longitudinal gradient of road is great, avoids the parcel structure to produce along soil texture ground and slides and warp, and wherein the slip casting soil nail improves firm pulling force, covers the roof beam and makes parcel structure and ground form better friction fixation body, nut messenger slip casting soil nail and cover the roof beam and form effective fixed knot structure.
The problems of road surface argillization, uneven pitting, poor operation effect and the like existing in the temporary road of the soil foundation are effectively solved, and the temporary road has the characteristics of convenience in construction, economy, environmental protection, contribution to popularization and application and the like.
The foregoing describes preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims (6)

1. The utility model provides a temporary road structure of soil property base which characterized in that: the road pavement structure comprises a wrapping structure and a stabilizing structure, wherein the wrapping structure is paved on a road soil foundation and is formed by a cement blanket (11) and backfill (12) wrapped in the cement blanket (11);
the stable structure includes slip casting soil nail (21), covers roof beam (22) and nut (23) with pressing, it establishes to cover roof beam (22) along the vertical interval of road the parcel is structural, slip casting soil nail (21) interval is established press and cover on roof beam (22), just slip casting soil nail (21) pass the parcel structure after-fixing is in soil property ground, nut (23) spiro union is in slip casting soil nail (21) upper end.
2. A soil-based temporary road structure, as claimed in claim 1, wherein: the wrapping structure is formed by longitudinally splicing a plurality of sections along a road.
3. A soil-based temporary road structure, according to claim 2, wherein: the length of each segment of the wrapping structure is 10m-20 m.
4. A soil-based temporary road structure, according to claim 1, wherein: the setting interval of the stable structure is 15m-20 m.
5. A soil-based temporary road structure, according to claim 4, wherein: the setting interval of the grouting soil nails (21) is 2m-3 m.
6. A soil-based temporary road structure, according to claim 5, wherein: the distance of the grouting soil nail (21) entering the stable foundation is not less than 3 m.
CN202220440826.XU 2022-03-02 2022-03-02 Temporary road structure of soil foundation Active CN216919883U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220440826.XU CN216919883U (en) 2022-03-02 2022-03-02 Temporary road structure of soil foundation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220440826.XU CN216919883U (en) 2022-03-02 2022-03-02 Temporary road structure of soil foundation

Publications (1)

Publication Number Publication Date
CN216919883U true CN216919883U (en) 2022-07-08

Family

ID=82224383

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220440826.XU Active CN216919883U (en) 2022-03-02 2022-03-02 Temporary road structure of soil foundation

Country Status (1)

Country Link
CN (1) CN216919883U (en)

Similar Documents

Publication Publication Date Title
CN203403426U (en) Supporting structure of expensive earth road cutting side slope
CN206928164U (en) A kind of drainage type concrete road
CN101153475B (en) Redbeds mudstone filled high-speed railway subgrade and construction method thereof
CN106401605B (en) Deep-well high stress and soft rock mine roadway U-shaped steel enhances composite anchored net supporting construction and its construction method
CN201095717Y (en) Red beds filled high-speed railway roadbed
CN102888830B (en) Plastic water channel and construction method thereof
CN113445396B (en) High-fill road foundation filling construction method for high liquid limit soil road section
CN206681021U (en) A kind of multi-functional slope reinforcement structure
CN206487488U (en) The U-shaped steel enhancing composite anchored net supporting construction of deep-well high stress and soft rock mine roadway
CN210262555U (en) Light soil road structure
CN112544350A (en) Construction method for protecting side slope of ecological grass planting roadbed in geocell
CN113073680B (en) Slag disposal site retaining wall structure of plateau high-cold area and construction method thereof
CN109898528A (en) A kind of high slope piling strtucture and constructing operation method
CN106012971A (en) Vegetation concrete protection slope and construction method thereof
CN216919883U (en) Temporary road structure of soil foundation
CN210031903U (en) Retaining wall structure based on mortar rubble
CN113982001B (en) Construction method of flexible framework slope protection structure
CN203096697U (en) Ballast field structure at earth and rockfill dam toe
CN212896397U (en) Consolidate ecological bank protection
CN213328494U (en) Improve efficiency of construction's slate filler filled formula roadbed structure
CN204418192U (en) Bayonet type grass planting grid
CN109403356B (en) Side slope supporting structure
CN109763388B (en) Roadbed structure and construction method thereof
CN111335336A (en) Slope greening construction auxiliary device is administered to massif
CN112359850A (en) Masonry protection structure of road engineering and construction method thereof

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant