CN211815255U - Rock mass abrupt slope road structure - Google Patents
Rock mass abrupt slope road structure Download PDFInfo
- Publication number
- CN211815255U CN211815255U CN202020282306.1U CN202020282306U CN211815255U CN 211815255 U CN211815255 U CN 211815255U CN 202020282306 U CN202020282306 U CN 202020282306U CN 211815255 U CN211815255 U CN 211815255U
- Authority
- CN
- China
- Prior art keywords
- steep slope
- panel structure
- panel
- slope road
- tension anchor
- 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
Links
Images
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model relates to the field of road engineering, in particular to a rocky steep slope road structure, which comprises a panel structure vertically arranged in a steep slope rock mass, wherein the panel structure is fixedly connected with a steep slope through a tension anchor rod, and the tension anchor rod is horizontally arranged; a lightweight concrete structure and an embankment superstructure are arranged between the panel structure and the steep slope, and the embankment superstructure is arranged on the upper part of the lightweight concrete structure; the panel structure is provided with a plurality of water drainage holes, and the water drainage holes are obliquely and outwards arranged. The utility model discloses in panel structure combines pulling force stock and light concrete structure, constitutes the atress supporter of abrupt slope road bed, and simple structure, atress are stable, and the light and compressive strength of structure is high, and the engineering investment is low, is suitable for rock matter abrupt slope road to be built, and economic environmental protection does benefit to the popularization.
Description
Technical Field
The utility model relates to a road engineering field, especially a rock mass abrupt slope road structure.
Background
Rock steep slope terrain generally exists in western mountainous areas in China, and pile foundations are difficult to arrange on the terrain, so that bridges are difficult to construct; and when road engineering is built on steep slope terrain, slope filling cannot be carried out, a reinforced structure is required to be adopted for retaining filling, and construction is difficult.
In the traditional roadbed slope retracting method, in order to meet the stress requirement, reinforcing piles with large cross sections and deep and long lengths are often buried in the side slope, and the effective protective front flaps of the reinforcing piles are small. Referring to fig. 1, large-section, deep and long reinforcing piles 11 are vertically arranged in steep slopes, soil retaining plates 12 are arranged on the inner sides of the reinforcing piles 11, and soil and stone materials 13 are filled between the reinforcing piles 11 and the steep slopes. The reinforced structure has high construction risk, difficult reinforcement and high engineering investment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the problem of prior art traditional road bed receive the slope reinforcement difficulty, construction safety risk is big, the engineering investment is high in abrupt slope topography is directed against, a rock matter abrupt slope road structure is provided for construction convenience, safety, quick, economic environmental protection does benefit to the popularization.
In order to realize the purpose, the utility model discloses a technical scheme be:
a rocky steep slope road structure comprises a panel structure vertically arranged in a steep slope rock body, wherein the panel structure is fixedly connected with a steep slope through a tension anchor rod, and the tension anchor rod is horizontally arranged; a lightweight concrete structure and an embankment superstructure are arranged between the panel structure and the steep slope, and the embankment superstructure is arranged on the upper part of the lightweight concrete structure; the panel structure is provided with a plurality of water drainage holes, and the water drainage holes are obliquely and outwards arranged.
The panel structure combines the tension anchor rod and the light concrete structure to form a stress supporting body of the steep slope roadbed, and the structure is simple, stable in stress, light in structure and high in compressive strength. The tension anchor rod provides horizontal resistance for the combined structure; the light concrete is a light structure, can provide larger supporting force, basically does not generate horizontal pressure, so the horizontal force borne by the panel structure is mainly generated by the upper structure of the embankment, and the upper structure of the embankment can be conveniently constructed on the light concrete; the panel structure is used as a construction template of a light concrete structure, an outer end anchoring structure of a tension anchor rod and a blocking stress structure of an upper structure of an embankment; the panel structure can be buried in a steep slope shallowly, is suitable for severe environment and reduces the construction difficulty; the water drainage holes are used for draining the infiltration water of the internal structure, and the strength of the light concrete structure is ensured. The utility model discloses simple structure, bearing capacity are strong, and the engineering investment is low, is suitable for rock matter abrupt slope road to be built, and economic environmental protection does benefit to the popularization.
Furthermore, the upper structure of the embankment is formed by filling earth and stone materials in layers; the upper structure of the embankment can reduce the impact damage influence of the dynamic load stress on the road on the lightweight concrete structure.
Further, the utility model discloses still include compound geomembrane, compound geomembrane is laid between light concrete structure and embankment superstructure. The composite geomembrane can protect a light concrete structure during the construction of an upper structure of the embankment.
Furthermore, panel structure still is equipped with the connection steel ring, and the connection steel ring interval distribution is in panel structure's inboard, and the pulling force stock of being convenient for is connected with panel structure.
Further, panel structure still is equipped with compound water drainage network, and compound water drainage network is laid in panel structure's inboard for arrange the infiltration of cominging in and going out fast.
Preferably, the drainage hole is provided with a drainage slope more than or equal to 2% towards the outer side of the panel structure, so that drainage is facilitated.
Preferably, the top surface of the lightweight concrete structure is provided with a drainage slope more than or equal to 4% outwards, which is beneficial to drainage.
In addition, the construction method based on the rock mass steep slope road structure comprises the following steps:
s1, positioning and fixing a tension anchor rod in a pouring range of a light concrete structure; excavating a foundation pit of a panel structure, positioning and fixing the panel structure, and fixedly connecting the panel structure with the tension anchor rod;
s2, pouring light concrete between the panel structure and the steep slope, namely a light concrete structure;
s3, after the light concrete structure reaches the design strength, laying a composite geomembrane on the top of the light concrete structure;
s4, filling the upper structure of the embankment at the top of the composite geomembrane layer by layer according to the number of the tension anchor rods in the range of the upper structure of the embankment; and constructing the tension anchor rod at the layer after filling one layer until all the tension anchor rods and the upper structure of the embankment are constructed.
Specifically, the panel structure is formed by pouring a reinforced concrete vertical mold, connecting steel rings and PVC pipes are embedded in corresponding positions, and the connecting steel rings are fixedly connected with stressed steel bars in the panel structure; or the panel structure is a prefabricated part, and when the panel structure is placed into the excavated panel structure foundation pit, cement mortar is adopted for sealing and fixing.
The utility model discloses a construction method is simple and easy, and the construction risk is low, economic environmental protection, does benefit to the popularization.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model has simple structure and stable stress; the construction method is simple and easy to implement, low in risk, economical and environment-friendly, and suitable for building roads with rock steep slope terrains.
Drawings
Fig. 1 is a schematic sectional view of a conventional roadbed slope reinforcing structure.
Icon: 11-reinforcing piles; 12-a soil guard plate; 13 a earthen material.
Fig. 2 is a schematic cross-sectional view of a rocky steep slope road structure.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Icon: 1-panel construction; 2-connecting a steel ring; 3-a water drainage hole; 4-a composite drainage net; 5-a tension anchor rod; 6-lightweight concrete structure; 7-a composite geomembrane; 8-embankment superstructure.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
A rocky steep slope road structure is shown in figures 2 and 3 and comprises a panel structure 1 vertically arranged in a steep slope rock body and located on the outer side of road engineering, wherein the panel structure 1 is fixedly connected with a steep slope through a tension anchor rod 5; the tension anchor rods 5 are horizontally arranged and are arranged in the steep slope rock mass at intervals; a light concrete structure 6 and an embankment superstructure 8 are arranged between the panel structure 1 and the steep slope, the embankment superstructure 8 is arranged at the upper part of the light concrete structure 6, and a composite geomembrane 7 is laid between the light concrete structure 6 and the embankment superstructure 8; the panel structure 1 is equipped with a plurality of outlet 3, and outlet 3 slope outwards sets up, and outlet 3 is equipped with more than or equal to 2% drainage slope to the panel structure 1 outside.
The embankment superstructure 8 is formed by filling earth and stone materials in layers, and is beneficial to reducing impact damage influence of load dynamic stress on the road on the lightweight concrete structure 6. The top surface of the light concrete structure 6 is outwards provided with a drainage gradient which is more than or equal to 4 percent and is beneficial to drainage.
There are connecting steel ring 2 at panel structure 1's inboard interval distribution, correspond the pulling force stock 5 positions that the interval set up, connecting steel ring 2 is used for pulling force stock 5 to be connected with panel structure 1. And a composite drainage net 4 is laid on the inner side of the panel structure 1 and used for quickly draining water seepage.
Example 2
A method for constructing a rocky steep slope road structure is based on the road structure in embodiment 1, and comprises the following steps:
s1, positioning and fixing a tension anchor rod 5 in the pouring range of a lightweight concrete structure 6, wherein the length of the tension anchor rod 5 exposed out of a side slope is not less than 1.0 m; excavating a foundation pit of the panel structure, positioning and fixing the panel structure 1, and fixedly connecting a tension anchor rod 5 with a connecting steel ring 2 on the panel structure 1;
s2, pouring concrete between the panel structure 1 and the steep slope, namely a light concrete structure 6;
s3, after the light concrete structure 6 reaches the design strength, laying a composite geomembrane 7 on the top of the light concrete structure;
s4, according to the number of layers of the tension anchor rods 5 in the range of the upper structure 8 of the embankment, filling the upper structure 8 of the embankment at the top of the composite geomembrane 7 in a layered mode; and constructing the tension anchor rod 5 at the layer after filling one layer, connecting the slab structure 1 and the steep slope by the tension anchor rod 5 until all the tension anchor rods 5 and the embankment superstructure 8 are constructed.
Wherein, the panel structure 1 can be made in the form of cast-in-place reinforced concrete or prefabricated parts; and the composite drainage net 4 is laid on the inner side of the panel structure 1 and is adhered and fixed at intervals.
When the panel structure 1 adopts a cast-in-place reinforced concrete structure, connecting steel rings 2 and PVC pipes (forming water drainage holes 3) are embedded at corresponding positions, and the connecting steel rings 2 are fixedly connected with stressed steel bars in the panel structure 1; the vertical formwork pouring is carried out, after the strength of the cast-in-place reinforced concrete panel structure 1 reaches 70% of the design strength, the formwork is dismantled to form the panel structure 1, and then the outer end of the tension anchor rod 5 is fixedly connected with the connecting steel ring 2 of the panel structure 1 to support and stabilize the panel structure 1.
When the panel structure 1 adopts a prefabricated component, the connecting steel ring 2 and the water drainage hole 3 synchronously form an integral structure when being prefabricated; when panel structure 1 puts into the 1 foundation ditch of panel structure who excavates, adopt cement mortar to seal fixedly, support stable surface plate structure 1 with the outer end of pulling force stock 5 and panel structure 1's connection steel ring 2 fixed connection again.
The utility model discloses a construction method is simple and easy, and the construction risk is low, economic environmental protection, does benefit to the popularization.
It should be noted that, the direction "outside" referred to herein means the side facing the steep slope, and the direction "inside" means the side facing away from the steep slope.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A rocky steep slope road structure is characterized by comprising a panel structure (1) vertically arranged in a steep slope rock body, wherein the panel structure (1) is fixedly connected with a steep slope through a tension anchor rod (5), and the tension anchor rod (5) is horizontally arranged; a light concrete structure (6) and an embankment superstructure (8) are arranged between the panel structure (1) and the steep slope, and the embankment superstructure (8) is arranged on the upper part of the light concrete structure (6); the panel structure (1) is provided with a plurality of water drainage holes (3), and the water drainage holes (3) are obliquely and outwards arranged.
2. A rocky steep slope road structure according to claim 1, wherein the embankment superstructure (8) is constructed of layered fill of earthen material.
3. A rocky steep slope road structure according to claim 2, further comprising a composite geomembrane (7), the composite geomembrane (7) being laid between the lightweight concrete structure (6) and the embankment superstructure (8).
4. A rocky steep slope road structure according to claim 1, wherein the panel structure (1) is further provided with connecting steel rings (2), and the connecting steel rings (2) are distributed at intervals on the inner side of the panel structure (1) for being fixedly connected with the tension anchor rods (5).
5. A rocky steep slope road structure according to claim 1, wherein the panel structure (1) is further provided with a composite drainage net (4), the composite drainage net (4) being laid on the inner side of the panel structure (1).
6. A rocky steep slope road structure according to any one of claims 1 to 5, wherein said drainage apertures (3) are provided with a drainage gradient of greater than or equal to 2% towards the outside of said panel structure (1).
7. A rocky steep slope road structure according to any one of claims 1 to 5, wherein the top surface of the lightweight concrete structure (6) is provided with a drainage gradient of 4% or more outwardly.
8. A rocky steep slope road structure according to any one of claims 1 to 5, wherein the panel structure (1) is a reinforced concrete structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020282306.1U CN211815255U (en) | 2020-03-09 | 2020-03-09 | Rock mass abrupt slope road structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020282306.1U CN211815255U (en) | 2020-03-09 | 2020-03-09 | Rock mass abrupt slope road structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211815255U true CN211815255U (en) | 2020-10-30 |
Family
ID=73008644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020282306.1U Active CN211815255U (en) | 2020-03-09 | 2020-03-09 | Rock mass abrupt slope road structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211815255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111235991A (en) * | 2020-03-09 | 2020-06-05 | 中铁二院工程集团有限责任公司 | Rock steep slope road structure and construction method |
-
2020
- 2020-03-09 CN CN202020282306.1U patent/CN211815255U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111235991A (en) * | 2020-03-09 | 2020-06-05 | 中铁二院工程集团有限责任公司 | Rock steep slope road structure and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103410167B (en) | Three-dimensional reinforced rigid-soft composite ecological retaining wall and construction method | |
| CN108560542B (en) | Waste tire coated building slag bidirectional reinforcement and construction method thereof | |
| CN104452829B (en) | A kind of pile-raft foundation float Structure and construction method | |
| CN104264688A (en) | Manual hole digging non-uniform pile support construction technology | |
| CN111778793B (en) | Cavity collapse prevention and control structure and construction method | |
| CN203429660U (en) | Stereo stiffened rigid-flexible combined ecological retaining wall | |
| CN211815255U (en) | Rock mass abrupt slope road structure | |
| CN108914959B (en) | Foundation structure suitable for mountain house building and construction method thereof | |
| CN110939142A (en) | Roadbed structure for side slope | |
| CN213625433U (en) | A link up transition structure that is used for gravity type and sheet pile formula combination pier | |
| CN212316951U (en) | Roadbed structure for side slope | |
| CN110106930B (en) | Iron tower foundation reinforcement protection method | |
| CN211228563U (en) | Assembled groundwater drainage blind ditch drainage system that oozes | |
| CN111235991A (en) | Rock steep slope road structure and construction method | |
| CN204326119U (en) | A kind of pile-raft foundation float Structure | |
| CN210975403U (en) | Treatment structure of high water level soft soil bridgehead roadbed | |
| CN109338909B (en) | Integral pier reinforcing structure and construction method thereof | |
| CN106760577A (en) | Frame module formula Polymer Geogrids Reinforced Earth safeguard structure and its construction method | |
| CN219158994U (en) | Deep soft soil area ultra-deep large-diameter round pipe jacking working well foundation pit supporting structure | |
| CN112575777A (en) | Frame reinforcing system and method for high-speed railway pier foundation penetrating through under channel | |
| CN219951575U (en) | Road structure of underpass railway bridge | |
| CN216275592U (en) | Anti-settlement structure of retaining wall of prestressed concrete pipe pile foundation | |
| CN218667392U (en) | Channel structure suitable for Chengdu clay section | |
| CN110130397A (en) | Tilt hexagon piping lane system and its construction method of the supporting in conjunction with main structure | |
| CN216892462U (en) | Cutting slope is thick swift current and is administered structure of compounding of body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |