CN210482331U - Supporting structure of side slope - Google Patents
Supporting structure of side slope Download PDFInfo
- Publication number
- CN210482331U CN210482331U CN201920644384.9U CN201920644384U CN210482331U CN 210482331 U CN210482331 U CN 210482331U CN 201920644384 U CN201920644384 U CN 201920644384U CN 210482331 U CN210482331 U CN 210482331U
- Authority
- CN
- China
- Prior art keywords
- side slope
- panel
- slope
- bottom plate
- pile
- 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
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The application provides a shelves structure of side slope, a shelves structure includes bored pile, antithetical couplet roof beam, panel and bottom plate, bored pile bottom is located stable stratum, be connected with between the bored pile top surface antithetical couplet roof beam, follow the side slope is horizontal outside be connected with between the bored pile side the panel, the panel bottom be connected with the panel is crossing the bottom plate. The application provides a fender structure of side slope need not to carry out a large amount of earthwork excavations to the side slope, and is lower to the requirement of side slope environment, is difficult for receiving the influence of side slope hydrology condition, strengthens the rigid connection between each bored concrete pile through the antithetical couplet roof beam, strengthens a fender structure rigidity through the bottom plate, and the structural stability of a fender structure is protected, strengthens the cling compound effect.
Description
Technical Field
The application relates to the field of geotechnical engineering, in particular to a side slope supporting structure.
Background
For a long time, side slope protection is a weak link in geotechnical engineering construction, the side slope protection mainly has the characteristics of large scale, high side slope and strict environmental requirements, a retaining wall structure such as a gravity retaining wall, a counterfort retaining wall, a pile-plate retaining wall and the like is mainly adopted in a retaining structure of a side slope in the past, and when the retaining structure of the side slope is constructed, excavated earthwork is large, side slope disturbance is large, and the side slope geological structure is easy to be unstable.
SUMMERY OF THE UTILITY MODEL
In view of this, the present application expects to provide a side slope retaining structure, and when solving the construction of the side slope retaining structure of current side slope, excavation earthwork is big, and the great technical problem of side slope disturbance, for solving above-mentioned technical problem, the technical scheme of this application embodiment is realized like this:
the application provides a shelves structure of side slope, a shelves structure includes bored pile, antithetical couplet roof beam, panel and bottom plate, bored pile bottom is located stable stratum, be connected with between the bored pile top surface antithetical couplet roof beam, follow the side slope is horizontal outside be connected with between the bored pile side the panel, the panel bottom be connected with the panel is crossing the bottom plate.
Further, the bottom end of the bored pile is positioned in the stable stratum by 3-5 m;
and/or the pile diameter of the drilled pile is A, wherein A is more than or equal to 50cm and less than or equal to 125cm, and the distance between two adjacent drilled piles is 1.5-3 pile diameters;
and/or the supporting structure is used for protecting the cutting slope;
and/or a chamfer is arranged at the joint of the panel and the bottom plate.
Further, the drilled piles are arranged in rows along the side slope in the transverse direction;
or the drilled piles are quincunx cloth piles.
Furthermore, the supporting structure is provided with structural seams every 10-15 m along the direction of the toe line of the side slope.
Further, the width of the structural seam is B, wherein B is more than or equal to 0cm and less than or equal to 2 cm;
and/or filling one or more of asphalt, asphalt twisted steel and asphalt wood boards in the structural joint.
Further, the supporting structure further comprises a spray anchor support, the spray anchor support comprises an anchor rod and a protective surface, the anchor rod extends into the slope surface of the slope, and the protective surface covers the slope surface.
Further, the length of the anchoring section of the anchor rod in the side slope is 1.5-3 m.
Further, the supporting structure also comprises a supporting pile positioned below the bottom plate, and the supporting pile is used for supporting the bottom plate;
or, the supporting structure further comprises a cushion layer positioned below the bottom plate, and the transverse distance of the cushion layer is greater than that of the bottom plate.
Further, the top end of the panel is provided with a bulge protruding out of the side face of the panel.
Furthermore, a drain hole penetrating through the panel is formed in the panel, and a port of the drain hole close to the side slope is higher than a port of the drain hole far away from the side slope.
Further, the supporting structure further comprises a reverse filtering layer, and the reverse filtering layer is located at a port of the side slope, close to the drain hole.
Further, the supporting structure further comprises an impermeable layer, and the impermeable layer is adjacent to the inverted filter layer and is positioned below the inverted filter layer.
The application provides a fender structure of side slope, the bored pile is bored or is dug the drilling soon by the impact and after, pour the concrete through set up the steel reinforcement cage in the drilling and make, simple manufacture, high efficiency, need not to carry out a large amount of earthwork excavations to the side slope, it is lower to the requirement of side slope environment, be difficult for receiving the influence of side slope hydrology condition, strengthen the rigid connection between each bored pile through the coupling beam, strengthen a fender structure rigidity through the bottom plate, the structural stability of protection fender structure, strengthen the cling compound.
Drawings
Fig. 1 is a schematic structural diagram of a supporting structure of a side slope in an embodiment of the present application, wherein a coupling beam is not shown;
FIG. 2 is a cross-sectional view taken along plane C-C of FIG. 1, wherein the link beam is shown;
FIG. 3 is a schematic structural diagram of another side slope supporting structure in the embodiment of the present application;
fig. 4 is a schematic structural diagram of a stop structure of another slope in the embodiment of the present application.
Reference numerals: a bored pile 100; a coupling beam 200; a panel 300; a base plate 400; chamfering 500; a spray anchor support 600; an anchor rod 610; a facing 620; a support pile 700; a cushion layer 800; an inverted filter layer 900; an impermeable layer 1000; a side slope 10; stabilizing the formation 20; a plateau line 30; a foundation pit 40.
Detailed Description
The present application will now be described in further detail with reference to the accompanying drawings and specific examples. In the examples of the present application, the unit "cm" is used to indicate the unit in centimeters, and the unit "m" is used to indicate the unit in meters.
In the description of the present application, the terms "up," "down," "top," "bottom," "side" orientation or positional relationship are based on the normal use of the side slope kickstand structure, as shown in fig. 2, and the term "transverse" is the left-right direction of fig. 2, it being understood that these terms are merely for convenience in describing the present application and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the present application.
In an embodiment of the present application, a supporting structure of a side slope is provided, please refer to fig. 1 and 2, the supporting structure includes bored piles 100, coupling beams 200, panels 300, and bottom plates 400, bottom ends of the bored piles 100 are located at a stable ground layer 20, the coupling beams 200 are connected between top surfaces of the bored piles 100, the panels 300 are connected between side surfaces of the bored piles 100 on the outermost sides along the lateral direction of the side slope 10, and the bottom ends of the panels 300 are connected with the bottom plates 400 intersecting with the panels 300.
According to the side slope supporting and blocking structure, specifically, after a drilled pile is drilled through a percussion drill or a rotary drilling drill, the drilled pile is manufactured by arranging a reinforcement cage in the drilled pile and pouring concrete, and the side slope supporting and blocking structure is simple to manufacture and high in efficiency; the bored pile also has the characteristics of no need of carrying out massive earthwork excavation on the side slope, lower requirement on the side slope environment and difficult influence of the side slope hydrological condition; the rigid connection among the drilled piles is enhanced through the coupling beam, the structural stability of the supporting structure is protected, and the coupling beam can also be used for developing later development planning and landscape engineering; the bored pile and the panel jointly bear the water pressure acting on the side slope, the soil pressure and the horizontal external load borne by the retaining structure, the bored pile is also used for bearing all vertical external loads borne by the retaining structure of the side slope, and by means of increasing the bottom plate, the pressure of part of the panel is borne by the bottom plate, so that the horizontal bearing capacity of the retaining structure is increased, meanwhile, the pressure borne by the foundation below the panel is reduced, the stress performance of the retaining structure is improved, and the structural stability of the retaining structure is improved. The supporting structure of the embodiment of the application does not need to excavate a large amount of earthwork to the side slope, so that the problems that the excavated earthwork of the existing supporting structure is large and the disturbance to the side slope is large are avoided, and the supporting structure has the characteristics of good stress performance and high structural stability.
In one embodiment of the present application, the bottom end of the bored pile 100 is located 3m to 5m inside the stable ground layer 20; the bottom end of the bored pile is 3 m-5 m, such as 3m, 4m or 5m, in the stable stratum, so that the structural stability of the bored pile can be ensured, and the construction difficulty caused by the fact that the bottom end of the bored pile is located in the stable stratum too deeply is avoided.
In one embodiment of the application, the pile diameter of the drilled pile 100 is A, wherein A is more than or equal to 50cm and less than or equal to 125cm, the drilled pile bears the force from a side slope and the force of a panel, the drilled pile is easy to crack when the pile diameter is too small, the mechanical hole making is not facilitated when the pile diameter is too large, and if A is more than or equal to 50cm and less than or equal to 125cm, such as 50cm, 60cm, 70cm, 80cm, 90cm, 100cm, 110cm, 120cm or 125cm, the drilled pile is better in stress condition, the structural stability of the self structure is favorably maintained, and the mechanical rapid hole making is facilitated; the interval is 1.5 ~ 3 stake footpaths between two adjacent bored pile 100, for example 1.5 times, 2 times or 3 times stake footpaths, the interval is the distance between two adjacent drilling between two adjacent bored piles, the distance is too near between two adjacent drilling, geological structure easily receives the influence between two adjacent drilling, be not convenient for keep the structural stability of drilling, the distance is too far away between two adjacent bored piles, easily influence the structural stability of shelves structure, the interval is 1 ~ 3 stake footpaths between two adjacent bored piles, both do benefit to the structural stability who keeps drilling, do benefit to the structural stability who keeps shelves structure again.
In an embodiment of the application, a fender structure is used for cutting side slope protection, the road bed form that the cutting formed for following the excavation of former ground downwards, the cutting side slope is in the crust top layer, the excavation exposes the back, easily at the rainfall, under the influence of natural factors such as snowfall, take place to warp and destroy, the fender structure of this application is little to the side slope disturbance, drilling pile simple manufacture, high efficiency, drilling pile, the tie beam, panel and bottom plate can cast-in-place do, construction period is short, high construction efficiency, reduce the time that the cutting side slope exposes natural environment, reduce the rainfall, the erodeing of snowfall to the cutting side slope, be applicable to the cutting side slope.
In an embodiment of the present application, please refer to fig. 2-4, a chamfer 500 is disposed at a joint of the panel 300 and the bottom plate 400, and the chamfer is beneficial to enhancing the structural stability of the joint of the panel and the bottom plate, thereby improving the structural stability of the supporting structure.
In an embodiment of the present application, please refer to fig. 1-4, the bored piles 100 are arranged in rows along the side slope 10, specifically, the bored piles 100 are arranged in single, double, or three rows, and the arrangement of the piles is beneficial to improve the stress performance of the supporting structure, reduce the force from the side slope on the single bored pile, and is beneficial to enhance the structural stability of the supporting structure.
In other embodiments, the drilled piles are quincunx-shaped cloth piles, and the quincunx shape is also beneficial to improving the stress performance of the supporting and retaining structure, reducing the force from the side slope on a single drilled pile and being beneficial to enhancing the structural stability of the supporting and retaining structure.
In an embodiment of the present application, the supporting structure is provided with structural joints (not shown), for example, 10m, 12m, 14m or 15m, at intervals of 10m to 15m along the toe line direction of the side slope, and the structural joints are used to avoid deformation, cracking, settlement and other phenomena of the panel, the coupling beam or the bottom plate under the influence of natural factors such as temperature change and foundation settlement.
In an embodiment of the application, the structural seam width is B, wherein B is more than or equal to 0cm and less than or equal to 2cm, and calculation is specifically carried out according to the side slope geological condition and the natural condition.
In this application embodiment, the structure seam intussuseption is filled with one or several of pitch, pitch numb muscle, pitch plank, avoids the rainwater to wash away the side slope along the expansion joint, and the foreign matter falls into the expansion joint and leads to the expansion joint inefficacy.
In an embodiment of the present application, please refer to fig. 1 and 2, the supporting structure further includes a spray anchor support 600, the spray anchor support 600 includes an anchor rod 610 and a protective surface 620, the anchor rod 610 extends from the slope surface of the side slope into the interior of the side slope, and the protective surface 620 covers the slope surface. Under the condition of severe side slope geological conditions, such as serious groundwater accumulation and serious side slope deformation, the side slope rock mass is easy to loosen and separate, the side slope is easy to deform, the spray anchor support is used for protecting the structural stability of the side slope rock mass, the rock mass is prevented from loosening and separating through the anchor rod, and the slope deformation and water and soil loss are prevented through the retaining surface.
In an embodiment of the application, the length of the anchoring section of the anchor rod 610 in the side slope 10 is 1.5-3 m, so that the structural stability of the side slope rock body can be protected, and the construction efficiency can be ensured.
In another example of the present application, referring to fig. 3, the supporting structure further includes a supporting pile 700 located below the bottom plate 400, the supporting pile is used to support the bottom plate 400, the supporting pile is beneficial to enhancing a supporting force to the bottom plate, so as to prevent the foundation pit 40 below the bottom plate from collapsing, and can effectively improve an anti-overturning capability and a lateral resistance of the supporting structure, and enhance a structural stability of the supporting structure, specifically, a bottom end of the supporting pile is located in a stable stratum by 3m to 5m, for example, 3m, 4m, or 5m, so that the structural stability of the supporting pile can be ensured, and a construction difficulty caused by the bottom end of the supporting pile located in the stable stratum by too deep is avoided.
In another embodiment of the present application, referring to fig. 4, the supporting structure further includes a cushion layer 800 located below the bottom plate 400, and a lateral distance of the cushion layer 800 is greater than a lateral distance of the bottom plate 400. The bed course is through the rigidity of self rigidity reinforcing bottom plate below foundation ditch 40, and bed course lateral distance is greater than bottom plate lateral distance for increase lifting surface area, avoid bottom plate below foundation ditch to sink, strengthen the structural stability of a fender structure.
In an embodiment of the present application, please refer to fig. 3, a drainage hole 301 penetrating through the panel 300 is formed in the panel 300, specifically, a port of the drainage hole 301 close to the side slope 10 is higher than a port of the drainage hole 301 far away from the side slope 10, and the drainage hole is used for discharging accumulated water in the side slope in time, so as to reduce water pressure from the side slope on the panel, specifically, a distance between two adjacent drainage holes is 2m to 3m, and a slope of the drainage hole is 4%, so as to facilitate the discharge of the accumulated water.
In an embodiment of the present application, please refer to fig. 3, the supporting structure further includes a reverse filter layer 900, the reverse filter layer 900 is located at a port of the drain hole 301 close to the side slope 10, the reverse filter layer is used for preventing soil on the side slope from being taken away when the accumulated water on the side slope flows out, and further avoiding blockage of the drain hole, specifically, the reverse filter layer is a gravel layer with a particle size from thin to thick in a direction from the side slope to the drain hole, specifically, the height of the reverse filter layer is 0.4m to 0.6m, for example, 0.4m, 0.5m, and 0.6m, which facilitates effective filtration of the accumulated water on the side slope.
In an embodiment of the present application, please refer to fig. 3, the retaining structure further includes an impermeable layer 1000, the impermeable layer 1000 is adjacent to the inverted filter layer 900 and is located below the inverted filter layer 900, and the impermeable layer is used for preventing the accumulated water collected by the inverted filter layer from permeating into the slope from the bottom of the inverted filter layer again.
Specifically, the bored pile, the coupling beam, the panel and the bottom plate are all made of template cast concrete containing steel bars, wherein the top steel bars of the template containing the steel bars in the bored pile are provided with allowance capable of being inserted into the coupling beam, and the template containing the steel bars in the bored pile at the lateral outermost side of the side slope is provided with allowance capable of being inserted into the panel towards the side steel bars of the panel, so that rigid connection between the bored pile and the coupling beam is enhanced, rigid connection between the bored pile at the lateral outermost side of the side slope and the panel is enhanced, and structural stability of a supporting structure is protected.
It can be understood that, after the foundation pit 40 (see fig. 2-4) for constructing the retaining structure is excavated on the foundation adjacent to the side slope, the foundation pit needs to be backfilled to the height of the terrace line 30 (see fig. 2-4) after the retaining structure is constructed, earthwork and/or concrete is backfilled at the bottom plate, the terrace is tamped, surface water is prevented from permeating into the foundation pit to soften the soil in the foundation pit, the structural safety of the retaining structure is improved, the backfilling of the concrete is beneficial to improving the backfilling efficiency on one hand, and the rigidity after the concrete is solidified on the other hand is beneficial to further enhancing the structural safety of the retaining structure.
Backfilling earthwork and/or concrete at the bottom plate, and tamping the terrace; after the supporting structure is constructed, the foundation pit needs to be backfilled to the height of a terrace line (see fig. 2-4), earthwork and/or concrete are/is backfilled at a bottom plate, the terrace is tamped, surface water is prevented from permeating into the foundation pit to soften soil in the foundation pit, and the structural safety of the supporting structure is improved.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and all the changes or substitutions should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (12)
1. The utility model provides a side slope prop up shelves structure, its characterized in that, prop up shelves structure and include drilling pile, antithetical couplet roof beam, panel and bottom plate, drilling pile bottom is located stable stratum, be connected with between the drilling pile top surface antithetical couplet roof beam, follow the side slope is horizontal outside be connected with between the drilling pile side the panel, the panel bottom be connected with the panel is crossing the bottom plate.
2. The supporting structure for a side slope according to claim 1, wherein the bottom end of the bored pile is located within 3m to 5m of the stable formation;
and/or the pile diameter of the drilled pile is A, wherein A is more than or equal to 50cm and less than or equal to 125cm, and the distance between two adjacent drilled piles is 1.5-3 pile diameters;
and/or the supporting structure is used for protecting the cutting slope;
and/or a chamfer is arranged at the joint of the panel and the bottom plate.
3. The retaining structure for a slope according to claim 1, wherein said bored piles are arranged in rows transversely along said slope;
or the drilled piles are quincunx cloth piles.
4. The supporting structure of the side slope according to claim 1, wherein the supporting structure is provided with structural seams every 10-15 m along the direction of the toe line of the side slope.
5. The supporting structure of the side slope according to claim 4, wherein the structural seam width is B, wherein B is more than or equal to 0cm and less than or equal to 2 cm;
and/or filling one or more of asphalt, asphalt twisted steel and asphalt wood boards in the structural joint.
6. The supporting structure of the side slope according to any one of claims 1 to 5, wherein the supporting structure further comprises a shotcrete support, the shotcrete support comprises an anchor rod and a protective surface, the anchor rod extends from the slope surface of the side slope into the interior of the side slope, and the protective surface covers the slope surface.
7. The side slope retaining structure according to claim 6, wherein the anchoring section of the anchor rod is 1.5-3 m long inside the side slope.
8. The side slope buttress structure of any one of claims 1-5, further comprising support piles located below the bottom plate for supporting the bottom plate;
or, the supporting structure further comprises a cushion layer positioned below the bottom plate, and the transverse distance of the cushion layer is greater than that of the bottom plate.
9. The slope stop structure according to any one of claims 1-5, wherein the top end of the panel has a protrusion protruding from the side of the panel.
10. The side slope retaining structure according to any one of claims 1 to 5, wherein the panel is provided with a drainage hole penetrating through the panel, and a port of the drainage hole close to the side slope is higher than a port of the drainage hole far away from the side slope.
11. The side slope buttress structure of claim 10, further comprising a refilter layer located at a port of the weep hole near the side slope.
12. The side slope buttress structure of claim 11, further comprising an impermeable layer adjacent to and underlying the inverted filter layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920644384.9U CN210482331U (en) | 2019-05-07 | 2019-05-07 | Supporting structure of side slope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920644384.9U CN210482331U (en) | 2019-05-07 | 2019-05-07 | Supporting structure of side slope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210482331U true CN210482331U (en) | 2020-05-08 |
Family
ID=70486482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920644384.9U Active CN210482331U (en) | 2019-05-07 | 2019-05-07 | Supporting structure of side slope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210482331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258587A (en) * | 2019-05-07 | 2019-09-20 | 中铁第四勘察设计院集团有限公司 | The branch mark structure and construction method of side slope |
-
2019
- 2019-05-07 CN CN201920644384.9U patent/CN210482331U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258587A (en) * | 2019-05-07 | 2019-09-20 | 中铁第四勘察设计院集团有限公司 | The branch mark structure and construction method of side slope |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108193642B (en) | Revetment reinforcing facility and construction method thereof | |
| CN207109475U (en) | It is close to mountain high-filled subgrade stabilization and Deformation control structure | |
| CN103485363A (en) | Three-dimensional continuous frame type reinforced concrete structure retaining wall | |
| CN101838957B (en) | Integral type T-shaped outer cantilever roads and construction method thereof | |
| CN111456081A (en) | Pile foundation retaining wall structure and construction method | |
| CN109914470A (en) | A kind of road shoulder barricade and its construction method | |
| CN201801843U (en) | Overwater gravity type earth-retaining structure with anchoring structure | |
| CN204940298U (en) | A kind of Composite Enclosure Structure of base pit engineering | |
| CN210482335U (en) | Supporting structure of rock-soil binary structure side slope | |
| CN202170498U (en) | Reinforced concrete pile dike | |
| CN210482331U (en) | Supporting structure of side slope | |
| CN110805049B (en) | Construction method of mountain slope ultra-thickness spray anchor permanent supporting structure | |
| CN111926856A (en) | Tunnel entering construction method based on longitudinal anti-skid open cut tunnel structure | |
| CN209669613U (en) | A kind of road structure with pile foundation bent cap | |
| CN107700434A (en) | A kind of dome grating formula armored concrete mud-rock flow blocking dam and its construction process | |
| CN111576479A (en) | Retaining structure of filling slope and construction method | |
| CN211873043U (en) | Retaining structure | |
| CN110258588A (en) | The branch mark structure and its construction method of ground double-decked slope | |
| CN111021378A (en) | Highway subgrade slope broken line type anchoring pile retaining structure and construction method thereof | |
| CN110939142A (en) | Roadbed structure for side slope | |
| CN203174626U (en) | Geogrid reinforced wall | |
| CN215290317U (en) | Existing retaining wall reinforced structure | |
| CN103410155B (en) | A kind of recyclable preposition assembling braced cuts structure and application process thereof | |
| CN212316951U (en) | Roadbed structure for side slope | |
| CN211079770U (en) | Anti-bump supporting structure of ballastless track high-speed railway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |