CN211849515U - Assembled side slope protective structure and highway adopting same - Google Patents

Abstract

The assembled slope protection structure comprises a bearing pile, a construction beam, a retaining wall base, a retaining wall plate and a suspension type side ditch which are sequentially arranged from bottom to top; the bearing pile is driven into a soil layer at the bottom of the side slope; the construction beam is fixed at the top end of the bearing pile and connects a plurality of bearing piles into a whole; the retaining wall base is embedded in soil below the roadbed, a gap and/or a through hole for a plant root system to pass through downwards are formed in the retaining wall base, the retaining wall base is fixedly overlapped on the construction beam, and a mortise is formed in the position, overlapped with the construction beam, of the retaining wall base; the setting of retaining wall board is in the side slope outside and be equipped with the tenon in its bottom, and the tenon inserts in the mortise that corresponds to upright fix retaining wall board in the top of retaining wall base. The assembled side slope protection structure is high in stability, the width of the pavement and the green belt can be increased under the condition that the occupied area is not increased, and the requirement for planting large plants in the green belt is met.

Description

Assembled side slope protective structure and highway adopting same

Technical Field

The utility model relates to a highway engineering technical field, in particular to assembled side slope protective structure and adopt this protective structure's highway.

Background

Most of common mountain roads are as shown in fig. 1, and the side of the road near the side slope is generally blocked by a stone masonry slope protection method to prevent the side slope from collapsing. The work load of building the bank protection is big, and in order to prevent that the subgrade from subsiding the crowded bank protection that collapses, the slope of bank protection can not be too big, leads to area great from this.

Chinese patent document CN108951697A discloses a Z-shaped retaining structure, which can play a role in retaining soil and preventing the collapse of soil on the side of a road sill, and can increase the width of a road surface, but because the Z-shaped retaining member is irregular in shape, space is wasted greatly during logistics transportation, and it is inconvenient to operate when it is hoisted to a base, and meanwhile, the soil depth of a road widened part obtained after the Z-shaped retaining structure is adopted is not enough, and the space for the plant root system to grow downwards is limited, so that the part can meet the requirements when planting some shrubs or plants with shallow root system, and when planting large plants (such as trees or some large shrubs with the height of more than 5 meters), the root system development is limited.

In addition, most of the side ditches on the side close to the side slope of the mountain roads are formed by digging channels on site at the edge of the road shoulder and then building or embedding prefabricated ditch body components, and when the distance of the mountain roads is long, drainage ditches communicated with the side ditches are usually required to be arranged on the side slope to drain water in the side ditches to the downside due to large water collection area and long distance so as to avoid the water in the side ditches overflowing excessively and flowing back to the road surface. However, after the Z-shaped retaining member is adopted, and the retaining of the retaining plate is added, a scheme that a drainage ditch is arranged on a slope to drain water to the downside of the slope is not easy to implement, and the existing side ditch construction mode also has the problems that a channel needs to be excavated, the side ditch occupies the greening area outside a road shoulder, and the like.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model is to provide a high assembled side slope protective structure of stability increases road surface and greenbelt width under the condition that does not increase area to satisfy the requirement that the greenbelt planted the macrophyte.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an assembled slope protection structure comprises a bearing pile, a construction beam, a retaining wall base, a retaining wall plate and a suspension type side ditch which are sequentially arranged from bottom to top;

the bearing pile is driven into a soil layer at the bottom of the side slope;

the construction beam is fixed at the top end of the bearing pile and connects a plurality of bearing piles into a whole;

the retaining wall base is embedded in soil below the roadbed, a notch and/or a through hole for plant roots to pass through downwards are formed in the retaining wall base, the end close to the outer side of the retaining wall base is fixedly lapped on the construction beam, and a mortise is formed in the position, overlapped with the construction beam, of the retaining wall base;

the soil-retaining wall board is arranged on the outer side of the side slope to prevent soil from collapsing outwards, the bottom end of the soil-retaining wall board is provided with a tenon, and the tenon is inserted into the corresponding mortise so as to vertically fix the soil-retaining wall board above the soil-retaining wall base;

the suspension type side ditch includes the side ditch body, form the ditch in the side ditch body, the top outside of side ditch body is equipped with the hook board toward outer downwardly extending form logical groove between the outer wall of hook board and side ditch body, the top of retaining wall board inserts logical inslot, the side ditch body suspension is in the outside of retaining wall board.

Preferably, the middle section of the retaining wall base is narrowed relative to the two ends, so that gaps for plant roots to pass through downwards are formed at the left side and the right side of the narrowed position.

The suspended side ditch is provided with water outlets at certain intervals, and the water outlets are connected with pipelines for draining water downwards.

Preferably, a plurality of weight-reducing grooves are arranged on the retaining wall base and/or the retaining wall plate at intervals.

Wherein, the thickness of the retaining wall plate is gradually thinned from the bottom end to the top.

The cross section of the retaining wall base is in an isosceles trapezoid shape, and the thickness of the left edge and the right edge of the retaining wall base is gradually thinned.

Wherein, the suspension type gutter is assembled by a plurality of gutter bodies and is formed and still including placing the filler in leading to the inslot, through the adjustment the height position of gutter body is adjusted to the thickness of filler to make the ditch bottom surface of different gutter bodies all be in the coplanar.

Preferably, the filler is a rubber sheet or a plastic strip.

The second purpose of the utility model is to provide a highway that has adopted above-mentioned assembled side slope protective structure.

Preferably, in the road, a green belt is provided outside the shoulder, the green belt is located right above the retaining wall base, and trees are planted in the green belt.

During construction, firstly, bearing piles are driven into a hard soil layer at the bottom of a side slope, then a plurality of bearing piles are connected into a whole in series through a construction beam, a retaining wall base is laid on the foundation, one end of each retaining wall base is fixedly lapped with the construction beam, then partial soil is backfilled above the retaining wall base and tamped, the mortises are exposed outside, then the retaining wall boards are hoisted to insert tenons at the bottom ends of the retaining wall boards into the mortises, and finally, the top ends of the retaining wall boards are hung and buckled with suspension type side ditches, the soil is filled above the retaining wall bases, and the soil is tamped to be basically level with the top ends of the suspension type side ditches. After the construction installation is accomplished, the structure roof beam has concatenated into a whole with all bearing piles, retaining wall base, has guaranteed the stability of retaining wall board below basis, and detains the suspension type gutter of arranging retaining wall board top in and can play a plurality of retaining wall boards again and link into an organic whole effect, has further improved this side slope protective structure's stability.

Compared with the prior art, the utility model has the advantages of it is following: 1. compare with the slope protection mode of traditional bank protection of building by laying bricks or stones, the utility model discloses can increase the width that the side slope top (be the curb outside) backfilled the region under the condition that does not increase side slope bottom area, the area that this part increases can be used for increasing the width of road surface width and greenbelt. 2. Compare with the Z type fender structure in the background art, when concrete engineering is implemented, the utility model provides an each component member can correspond adopt common regular shape such as flat-plate, column, like this, each component just can superpose and stack in the transportation, the transportation of being more convenient to hoist and mount operation is also more convenient, and the efficiency of construction is higher, and construction cost is lower. 3. Compare with the Z type fender structure in the background art, the utility model discloses set up the breach or the through-hole that supply plant roots to down pass on retaining wall base for plant roots can pass retaining wall base down growth, consequently can plant great plant in the soil layer covered above the retaining wall base. 4. The utility model discloses a gutter of suspension type, gutter body suspension in the outside of retaining wall board does not occupy the curb outside area, can let the afforestation area in the curb outside wideer to need not to excavate and bury/build the channel of gutter by laying bricks or stones, the slope ditch construction engineering volume is little. More importantly, owing to adopted the suspension type gutter, the utility model discloses can set up the outlet in the gutter bottom according to actual need, the water log raft of reconnection drain pipe in with the gutter is to the slope down to avoid the too big condition of spilling over and flowing backwards to the road surface of gutter normal water volume.

Drawings

Fig. 1 is a schematic structural diagram of a conventional mountain-road.

Fig. 2 is a schematic structural view of a mountain road adopting an assembled slope protection structure of the utility model.

FIG. 3 is a comparison graph of road surface widths of the mountain road shown in FIG. 1 and the mountain road shown in FIG. 2 under the condition of the same floor space; the upper part in the figure is the mountainous road shown in figure 1, and the lower part in the figure is the mountainous road shown in figure 2.

FIG. 4 is a comparison graph of the width of the green belt of the mountain-going highway shown in FIG. 1 and the mountain-going highway shown in FIG. 2 under the condition of the same floor space; the upper part in the figure is the mountainous road shown in figure 1, and the lower part in the figure is the mountainous road shown in figure 2.

Fig. 5 is a schematic top view of the retaining wall base.

Fig. 6 is a sectional view taken along the line a-a in fig. 5.

Fig. 7 is a sectional view taken in the direction B-B in fig. 5.

Fig. 8 is a schematic view of the front vertical surface structure of the retaining wall panel.

Fig. 9 is a side elevational view of a retaining wall panel.

FIG. 10 is a cross-sectional view of the gutter body.

Fig. 11 is a partially enlarged view of a portion a in fig. 2.

In the figure:

1-bearing pile 2-structural beam 3-retaining wall base

4-retaining wall board 5-suspension type side ditch 6-weight reduction groove

7-road shoulder 8-green belt 9-road surface 3 a-gap

3b mortises 4a tenons 5a ditches

5 b-hooking plate 5 c-through groove 5 d-filler.

Detailed Description

It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific situation.

Furthermore, the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

The assembled side slope protection structure of the utility model is shown in figure 2, which comprises a bearing pile 1, a construction beam 2, a retaining wall base 3, a retaining wall plate 4 and a suspension type side ditch 5 which are arranged from bottom to top in sequence; wherein, the bearing pile 1 is driven into a soil layer at the bottom of the side slope; the construction beam 2 is fixed at the top end of the bearing pile 1 and connects a plurality of bearing piles 1 into a whole; the retaining wall base 3 is buried in the soil below the roadbed, as shown in fig. 5, the retaining wall base 3 is provided with a gap 3a and/or a through hole (the through hole is not shown in the drawing) for the plant root system to pass through downwards, the outer end of the retaining wall base 3 is fixedly lapped on the construction beam 2, and the retaining wall base 3 is provided with a mortise 3b at the position lapped with the construction beam 2; the retaining wall panel 4 is disposed outside the side slope to prevent the soil from collapsing outward, and as shown in fig. 8 and 9, the bottom end of the retaining wall panel 4 is provided with a tenon 4a, and the tenon 4a is inserted into the corresponding mortise 3b, thereby vertically fixing the retaining wall panel 4 above the retaining wall base 3; see fig. 10 and show that suspension type gutter 5 includes the gutter body, forms ditch 5a in the gutter body, and the top outside of gutter body is equipped with down past hook board 5b that extends, forms logical groove 5c between the outer wall of hook board 5b and gutter body, and the top of retaining wall board 4 inserts logical groove 5c in, and the gutter body is suspended in the outside of retaining wall board 4.

Above-mentioned assembled side slope protective structure is when actual construction, squeeze into the hardpan of side slope bottom with bearing pile 1 earlier, rethread structure roof beam 2 establishes ties a plurality of bearing piles 3 into an organic whole, on this basis lay retaining wall base 3 again and with all retaining wall base 3's one end with structure roof beam 2 fixed the overlap joint together, then backfill partial soil and tamp above retaining wall base 3, guarantee that mortise 3b exposes outside, hoist and mount retaining wall board 4 and insert in mortise 3b with tenon 4a of its bottom, hang and detain suspension type gutter 5 and fill soil and tamp to and suspension type gutter 5 top basic parallel and level in retaining wall base 3 top at retaining wall board 4 top at last. After the construction installation is accomplished, aforementioned structure roof beam 2 has concatenated into a whole with all bearing pile 1, retaining wall base 3, has guaranteed the stability of 4 below foundations of retaining wall board, and detains suspension type gutter 5 of arranging 4 tops of retaining wall board in and can play again and link into an organic whole a plurality of retaining wall board 4 effect, has further improved this side slope protective structure's stability.

Compared with the slope protection mode of building slope protection, the slope protection structure shown in fig. 2 can increase the width of the backfill area at the top of the slope (namely, the outer side of the road shoulder 7) under the condition that the floor area at the bottom of the slope is not increased, and can increase the width of the pavement 9 (the original road shoulder 7 can be moved outwards to the backfill area to increase the width of the pavement 9) and the width of the green belt 8 due to the increase of the width of the backfill area at the top of the slope (namely, the outer side of the road shoulder 7) under the condition that the floor area is not increased. See fig. 3, under the same circumstances of area (i.e. bottom width is the same in the figure), the right side dotted line has the outer fringe parallel and level of curb 7 in the figure, and obviously the lower part has adopted in the figure the utility model relates to an assembled side slope protective structure's road has wideer road surface 9 width, in addition, see fig. 4 and show, under the same circumstances of area (i.e. bottom width is the same in the figure), the left side dotted line has the left edge parallel and level of greenbelt 8 in the figure, obviously, the lower part has adopted in the figure the utility model relates to an assembled side slope protective structure's road has wideer greenbelt 8 width. Compared with the Z-shaped retaining structure in the background art, when a specific project is implemented, each member in the protective structure shown in fig. 2 may be in a flat plate shape (for example, the retaining wall plate 4 and the retaining wall plate base 3), a columnar shape (for example, the cross section of the bearing pile 1 may be in a square shape, a circular shape, a triangular shape, or the like), or other common regular shapes. In addition, because the retaining wall base 3 in fig. 2 is provided with the notch 3a or the through hole for the plant root system to pass through downwards, the plant root system can pass through the retaining wall base 3 and grow downwards, and therefore, a larger plant can be planted in the soil covering layer above the retaining wall base 3. Finally, the protective structure shown in fig. 2 adopts a suspended side ditch, the side ditch body is suspended outside the retaining wall plate 4, the area outside the road shoulder 7 is not occupied, the green belt 8 outside the road shoulder 7 can be wider, the ditch for embedding/building the side ditch is not required to be excavated, and the construction work amount of the side slope ditch is small. More importantly, due to the adoption of the suspended type side ditch 5, a water outlet can be formed in the bottom of the side ditch according to actual needs, and then the water in the side ditch is led to the slope by the connecting water drain pipe, so that the situation that the water in the side ditch overflows to flow back to the road surface due to overlarge water amount is avoided.

As a preferred structure, as shown in fig. 5, the middle section of the retaining wall base 3 is narrowed with respect to both ends, so that notches 3a through which the plant roots can pass downward are formed at both left and right sides of the narrowed portion. Narrowing the middle section of the retaining wall base 3 to form the notch 3a has the following advantages: 1. the area of the gap 3a can be made large enough, especially, after the two retaining wall bases 3 are horizontally spliced together, a larger hole can be formed between the two, and the development of the plant root system can be more favorably extended downwards. 2. After filling and tamping, the retaining wall base 3 is more difficult to be separated from the soil, and the stability is better.

Also as a preferred construction, drainage openings are provided at spaced intervals in the gutter 5, said drainage openings being connected to pipes for draining water downwards (drainage openings and pipes for draining water downwards are not shown in the figures).

In view of weight reduction and cost saving, as shown in fig. 6 and 8, a plurality of weight-reducing grooves 6 are provided at intervals on the retaining wall base 3 and/or the retaining wall plate 4. As shown in fig. 9, the thickness of the retaining wall plate 4 becomes gradually thinner from the bottom end upward. As shown in fig. 7, the cross section of the retaining wall base 3 is in an isosceles trapezoid shape, and the thickness of the left and right edges of the retaining wall base 3 becomes thinner gradually.

It should be noted that, since the top end of each retaining wall plate 4 is horizontal rather than inclined, when the retaining wall plate 4 is applied to a road with a slope, the top end of the retaining wall plate 4 is arranged in a zigzag shape when viewed from the side of the sill, which affects the appearance. In order to overcome the defects, the suspension type side ditch 5 adopts a structure formed by assembling a plurality of side ditch bodies, fillers 5d are placed in the through grooves 5c, as shown in fig. 11, the height positions of the side ditch bodies are adjusted by adjusting the thickness of the fillers 5d, so that the bottoms of the water ditches 5a of different side ditch bodies are positioned in the same plane (the plane is an inclined plane), the tops of all the side ditch bodies are also positioned in the same inclined plane, and the top end of the retaining wall plate 4 is inserted into the through grooves 5c, so that the place where the tops of the retaining wall plates 4 are arranged irregularly is shielded, and the road surface attractiveness is improved. The filler is preferably a rubber sheet or a plastic strip for cost and durability.

Finally, the utility model also provides an adopted above-mentioned assembled side slope protective structure's highway. Particularly, in this highway, be provided with greenbelt 8 in the outside of curb 7, greenbelt 8 is located retaining wall base 3 directly over, has planted the arbor in greenbelt 8, and the arbor root system of planting in greenbelt 8 passes retaining wall base 3 and develops down, can play the effect of solid slope protection.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

In order to make it easier for those skilled in the art to understand the improvement of the present invention over the prior art, some drawings and descriptions of the present invention have been simplified, and in order to clarify, some other elements have been omitted from this document, those skilled in the art should recognize that these omitted elements may also constitute the content of the present invention.

Claims (10)

1. Assembled side slope protective structure, its characterized in that: comprises a bearing pile (1), a construction beam (2), a retaining wall base (3), a retaining wall plate (4) and a suspension type side ditch (5) which are arranged from bottom to top in sequence;

the bearing pile (1) is driven into a soil layer at the bottom of the side slope;

the construction beam (2) is fixed at the top end of the bearing pile (1) and connects a plurality of bearing piles (1) into a whole;

the retaining wall base (3) is buried in soil below a roadbed, a notch (3 a) and/or a through hole for a plant root system to pass through downwards are formed in the retaining wall base (3), the outer end of the retaining wall base (3) is fixedly overlapped on the construction beam (2), and a mortise (3 b) is formed in the position, overlapped with the construction beam (2), of the retaining wall base (3);

the retaining wall board (4) is arranged on the outer side of the slope to prevent soil from collapsing outwards, a tenon (4 a) is arranged at the bottom end of the retaining wall board (4), and the tenon (4 a) is inserted into the corresponding mortise (3 b), so that the retaining wall board (4) is vertically fixed above the retaining wall base (3);

suspension type side ditch (5) are including the side ditch body, form ditch (5 a) in the side ditch body, the top outside of side ditch body is equipped with hook board (5 b) toward outer lower extension form logical groove (5 c) between the outer wall of hook board (5 b) and side ditch body, insert logical groove (5 c) on the top of retaining wall board (4), the side ditch body is suspended in the outside of retaining wall board (4).

2. The fabricated slope protection structure of claim 1, wherein: the interlude of retaining wall base (3) narrows for both ends to form breach (3 a) that can supply plant roots to pass down in the left and right sides of narrowing department.

3. The assembled slope protecting structure according to claim 1 or 2, wherein: the hanging side ditch (5) is provided with water outlets at certain intervals, and the water outlets are connected with pipelines for draining water downwards.

4. The assembled slope protecting structure according to claim 1 or 2, wherein: and a plurality of weight reduction grooves (6) are arranged on the retaining wall base (3) and/or the retaining wall plate (4) at intervals.

5. The assembled slope protecting structure according to claim 1 or 2, wherein: the thickness of the retaining wall plate (4) is gradually reduced from the bottom end to the top.

6. The assembled slope protecting structure of claim 4, wherein: the cross section of retaining wall base (3) is isosceles trapezoid, the thickness of border department is attenuation gradually about retaining wall base (3).

7. The assembled slope protecting structure of claim 3, wherein: suspension type gutter (5) are assembled by a plurality of gutter bodies and are formed and it still includes places filler (5 d) in logical groove (5 c), through the adjustment the high position of gutter body is adjusted to the thickness of filler (5 d) to make ditch (5 a) ditch bottom of different gutter bodies be in the coplanar.

8. The fabricated slope protection structure of claim 7, wherein: the filler (5 d) is a rubber sheet or a plastic adhesive tape.

9. A road using the fabricated slope protection structure of any one of claims 1-8.

10. A road according to claim 9, characterised in that: a green belt (8) is arranged on the outer side of the road shoulder (7), the green belt (8) is located right above the retaining wall base (3), and arbor trees are planted in the green belt (8).

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