CN215366595U - Stable roadbed structure - Google Patents

Abstract

The application relates to a stable roadbed structure which comprises a stable frame, wherein the stable frame comprises a plurality of cross beams and a plurality of longitudinal beams, and the cross beams and the longitudinal beams are arranged in a staggered manner; the stable frame is filled with gravels. The stabilizing frame can play better firm effect to the grit, prevents that the grit from producing lateral diffusion when the load from for the grit has higher stability, thereby promotes the grit and to the support effect on road surface, promotes the stability on road surface.

Description

Stable roadbed structure

Technical Field

The application relates to the field of town road structures, especially, relate to a stable roadbed structure.

Background

When paving facilities on soft foundations such as soft soil layers, the subgrade constructed in soft soil areas needs to fully consider the stability problem of soft foundation sliding damage caused by embankment filling load and the settlement problem with large amount and long time because the soft soil layers have large water content and large soil pores.

The sand cushion can be laid at first to comparatively common road bed construction mode, makes the road bed have better drainage to lay the soil filling layer on the sand cushion and regard as the road bed top layer.

But the grit bed course is comparatively loose, and structural strength is lower, takes place the lateral diffusion easily when receiving great load, consequently relatively poor to the support nature on road surface, the phenomenon that the fracture can appear in the road surface after long-time the use easily.

SUMMERY OF THE UTILITY MODEL

The application provides a stable roadbed structure, has better stability and support nature.

The application provides a stable roadbed structure adopts following technical scheme:

a stable roadbed structure comprises a stable frame, wherein the stable frame comprises a plurality of cross beams and a plurality of longitudinal beams, and the cross beams and the longitudinal beams are arranged in a staggered mode; the stable frame is filled with gravels.

Through adopting above-mentioned technical scheme, stabilize the frame and can play better firm effect to the grit, prevent that the grit from producing lateral diffusion when the load for the grit has higher stability, thereby promotes the gravel to the support effect on road surface, promotes the stability on road surface.

Preferably, the stabilizing frames are provided with a plurality of layers, and the adjacent two layers of stabilizing frames are arranged in a staggered manner.

By adopting the technical scheme, each stabilizing frame can be independently processed and constructed, so that the single stabilizing frame has smaller mass and volume, and the construction difficulty is reduced.

Preferably, the bottom of the stabilizing frame is provided with an insertion block, and the top of the stabilizing frame is provided with a slot correspondingly matched with the insertion block.

Through adopting above-mentioned technical scheme, after inserted block and slot cooperation, can make two adjacent stable frames stably connected to promote the holistic stability of roadbed structure.

Preferably, the cross beam and the longitudinal beam are both provided with drainage grooves or drainage holes.

Through adopting above-mentioned technical scheme, the drainage of roadbed structure can be guaranteed in the setting of water drainage tank or wash port for the road bed has higher water stability, guarantees that the road bed provides the support of preferred to the road surface.

Preferably, the cross sections of the cross beams and the longitudinal beams are both trapezoidal, and the width of the top of each cross beam is smaller than that of the bottom of each cross beam; the width of the top of the longitudinal beam is smaller than that of the bottom of the longitudinal beam.

Through adopting above-mentioned technical scheme, the bottom of stabilizing the frame has great area, can promote the stability of stabilizing the frame to promote the stability of road bed.

Preferably, the inner side wall of the stabilizing frame is provided with a limiting groove.

Through adopting above-mentioned technical scheme, the grit in the stable frame can block into the spacing groove to promote the firm effect of stable frame to the grit.

Preferably, the limiting groove comprises a plurality of transverse grooves and a plurality of vertical grooves; the plurality of transverse grooves are uniformly distributed along the vertical direction, the plurality of vertical grooves are uniformly distributed along the horizontal direction, and the transverse grooves and the vertical grooves are distributed in a staggered mode.

Through adopting above-mentioned technical scheme, can effectively promote the compactness of grit and stable frame butt department, make the grit difficult and stable frame lateral wall take place relative displacement, further guarantee roadbed structure's steadiness.

Preferably, a crushed stone layer is arranged on the lower side of the stabilizing frame.

Through adopting above-mentioned technical scheme, the rubble layer can play the bearing effect to stabilizing the frame, avoids stabilizing the frame and directly contacts with the weak soil layer to promote the steadiness of stabilizing the frame.

Preferably, the upper side of the stabilizing frame is paved with an clay layer.

Through adopting above-mentioned technical scheme, clay layer can cover the grit, promotes the compactness of the inside grit of stable frame to effectively promote roadbed structure's steadiness.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the stabilizing frame can stabilize the gravel well, prevent the gravel from diffusing transversely when loaded and ensure that the gravel has high stability, so that the supporting effect of the gravel on the road surface is improved, and the stability of the road surface is improved;

2. drainage grooves or drainage holes formed in the cross beams and the longitudinal beams can ensure the drainage of the roadbed structure, so that the roadbed has higher water stability and better support of the roadbed on the road surface is ensured;

3. the sand and stone in the stabilizing frame can be clamped into the limiting groove, so that the stabilizing effect of the stabilizing frame on the sand and stone is improved; and meanwhile, the clay layer on the upper side of the stabilizing frame can further improve the compactness of the sand stones in the stabilizing frame, and the stability of the roadbed structure is ensured.

Drawings

Fig. 1 is a schematic cross-sectional view of a stabilized roadbed structure in an embodiment of the application;

FIG. 2 is a schematic view of the structure of the stabilization frame and sand;

FIG. 3 is a schematic structural view of a stabilizing frame with a drain channel;

FIG. 4 is a schematic view showing cross-sectional shapes of cross members and side members;

FIG. 5 is a schematic view of a stabilizing frame with drain holes;

fig. 6 is a partially enlarged schematic view of a portion a in fig. 3.

In the drawings, the reference numbers: 1. a crushed stone layer; 2. a stabilizing frame; 21. a cross beam; 22. a stringer; 23. a water discharge tank; 24. a drain hole; 25. a limiting groove; 251. a transverse groove; 252. a vertical slot; 26. inserting a block; 27. a slot; 3. a clay layer; 4. filling a soil layer; 5. sand and stone.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses stable roadbed structure. Referring to fig. 1, the stabilized roadbed structure includes a crushed stone layer 1, a stabilizing frame 2 provided on the crushed stone layer 1, a clay layer 3 provided above the stabilizing frame 2, and a fill layer 4 provided on the clay layer 3.

Referring to fig. 1 and 2, the thickness of the crushed stone layer 1 is set to 0.1m-0.2 m. The stabilizing frame 2 is provided with a plurality of layers, and the total height of the multi-layer stabilizing frame 2 is set to 0.5m-1 m. Each layer comprises a plurality of stabilizing frames 2 which are distributed in parallel. And the stabilizing frames 2 of two adjacent layers are distributed in a staggered way.

Referring to fig. 2 and 3, each of the stabilizing frames 2 includes a plurality of cross beams 21 spaced apart from each other and a plurality of longitudinal beams 22 spaced apart from each other, and the cross beams 21 and the longitudinal beams 22 are vertically staggered. Therefore, a separation groove is formed between the cross beam 21 and the longitudinal beam 22, and the separation groove is filled with sand 5.

Referring to fig. 4, the cross sections of the cross beams 21 and the longitudinal beams 22 are both trapezoidal, the width of the top of the cross beam 21 is smaller than that of the bottom of the cross beam 21, and the width of the top of the longitudinal beam 22 is also smaller than that of the bottom of the longitudinal beam 22, so that the bottom of the stabilizing frame 2 has a larger area, and the support performance of the stabilizing frame 2 is improved.

Referring to fig. 3 and 5, drainage grooves 23 are formed in the cross beam 21 and the longitudinal beam 22, and the drainage grooves 23 extend upwards to the tops of the cross beam 21 and the longitudinal beam 22 and are opened. In another embodiment, the drain channel 23 is replaced by a number of drain holes 24 evenly distributed on the stabilizing frame 2. The provision of the drain groove 23 or the drain hole 24 can effectively ensure the drainage of the stabilizer frame 2.

Referring to fig. 6, a limiting groove 25 is formed on the inner side wall of the stabilizing frame 2. The limiting groove 25 comprises a plurality of transverse grooves 251 and a plurality of vertical grooves 252, wherein the transverse grooves 251 and the vertical grooves 252 are uniformly distributed along the transverse direction, and the transverse grooves 251 and the vertical grooves 252 are distributed in a staggered mode and are communicated with each other. Therefore, the gravels 5 in the stabilizing frame 2 can be clamped into the limiting grooves 25, the probability of displacement of the gravels 5 under load is reduced, and the stability of the gravels 5 and the roadbed structure is improved.

Referring to fig. 5, the bottom of the stable frame 2 is integrally formed with an insert 26, the top of the stable frame 2 is provided with a slot 27, and the insert 26 at the bottom of the upper stable frame 2 can be matched with the slot 27 on the lower stable frame 2, so as to improve the connection stability between two adjacent stable frames 2.

The clay layer 3 needs to be compacted after being laid on the stabilizing frame. The landfill 4 is also compacted after being laid.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. A stable roadbed structure, characterized in that: the steel wire rope comprises a stabilizing frame (2), wherein the stabilizing frame (2) comprises a plurality of cross beams (21) and a plurality of longitudinal beams (22), and the cross beams (21) and the longitudinal beams (22) are arranged in a staggered mode; the stabilizing frame (2) is filled with gravels (5).

2. A stabilized roadbed structure according to claim 1, characterized in that: the stabilizing frames (2) are provided with a plurality of layers, and the adjacent two layers of stabilizing frames (2) are arranged in a staggered mode.

3. A stabilized roadbed structure according to claim 2, characterized in that: the bottom of the stabilizing frame (2) is provided with an inserting block (26), and the top of the stabilizing frame (2) is provided with a slot (27) correspondingly matched with the inserting block (26).

4. A stabilized roadbed structure according to claim 1, characterized in that: and drainage grooves (23) or drainage holes (24) are formed in the cross beam (21) and the longitudinal beam (22).

5. A stabilized roadbed structure according to claim 1, characterized in that: the cross sections of the cross beam (21) and the longitudinal beam (22) are both in trapezoid arrangement, and the width of the top of the cross beam (21) is smaller than that of the bottom of the cross beam (21); the width of the top of the longitudinal beam (22) is smaller than that of the bottom of the longitudinal beam (22).

6. A stabilized roadbed structure according to claim 1, characterized in that: and a limiting groove (25) is formed in the inner side wall of the stabilizing frame (2).

7. A stabilized roadbed structure according to claim 6, characterized in that: the limiting groove (25) comprises a plurality of transverse grooves (251) and a plurality of vertical grooves (252); the plurality of transverse grooves (251) are uniformly distributed along the vertical direction, the plurality of vertical grooves (252) are uniformly distributed along the transverse direction, and the transverse grooves (251) and the vertical grooves (252) are distributed in a staggered mode.

8. A stabilized roadbed structure according to claim 1, characterized in that: and a crushed stone layer (1) is arranged on the lower side of the stabilizing frame (2).

9. A stabilized roadbed structure according to claim 1, characterized in that: and an clay layer (3) is laid on the upper side of the stabilizing frame (2).

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