CN212714332U

CN212714332U - Highway subgrade settlement-preventing device

Info

Publication number: CN212714332U
Application number: CN202021443834.7U
Authority: CN
Inventors: 张�林; 赵刚; 朱成刚; 孙晓财; 宋红斌; 李鹏博
Original assignee: Sinohydro Bureau 6 Co Ltd
Current assignee: Sinohydro Bureau 6 Co Ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-16
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a highway subgrade anti-settling device, including soil basic unit and the highway subgrade main part that is located soil basic unit top, be provided with same metalling between soil basic unit and the highway subgrade main part, be equipped with a plurality of concrete anchor rods in the soil basic unit, the equal fixed mounting in both sides of concrete anchor rod has the barb that the slope set up, is located two barb symmetry settings relative about on the same concrete anchor rod. The utility model relates to a rationally, the setting of backup pad, metalling and X shape drawknot muscle is prevented subsiding by a plurality of concrete anchor strut and barb cooperation can improve the bearing capacity of highway subgrade main part to further having heightened the stability of highway subgrade main part and soil basic unit, reduce its risk of subsiding, the setting of wash port can accelerate the emission of rainwater, cooperate the water barrier simultaneously and can reduce the intraformational volume of rainwater infiltration soil basic unit, reduce the risk that the soft highway subgrade main part of causing of soil subsides, satisfy the user demand.

Description

Highway subgrade settlement-preventing device

Technical Field

The utility model relates to a highway subgrade anti-settling equipment technical field especially relates to a highway subgrade anti-settling device.

Background

Along with the high-speed development of economy in China, the total mileage of a highway in China is the first world and becomes one of the most important transportation modes in China, so that the requirement on the quality of the highway is higher and higher in the construction process of the highway, subgrade settlement is the most common condition which is harmful to driving safety in the use process of the highway, and the main reason for generation of subgrade settlement is that the whole or part of a subgrade is easy to decline due to the effect of bearing high load of the highway for a long time, so that the pavement is uneven;

at present, the highway subgrade prevent subsiding the effect relatively poor, it leads to the whole or partial main reason who subsides of subgrade to have two kinds, one kind is the poor stability of subgrade overall structure, make the soil basic unit easily take place the uneven problem of atress, thereby lead to the soil basic unit to take place to squint, sunken, and then lead to the whole or partial settlement of subgrade, another kind then leads to the rainwater to permeate to the soil basic unit because of the poor drainage of subgrade, thereby lead to the problem that the subgrade subsides, synthesize above-mentioned condition and improve, therefore we have proposed a highway subgrade and prevent subsiding the device and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a highway subgrade settlement-proof device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a highway subgrade anti-settlement device comprises a soil base layer and a highway subgrade main body positioned above the soil base layer, wherein a same rubble layer is arranged between the soil base layer and the highway subgrade main body, a plurality of concrete reinforcing rods are arranged in the soil base layer, barbs which are obliquely arranged are fixedly arranged on both sides of each concrete reinforcing rod, two barbs which are opposite to each other on the same concrete reinforcing rod in the left and right directions are symmetrically arranged, the top ends of the concrete reinforcing rods penetrate through the rubble layer and extend into the highway subgrade main body, a plurality of anti-settlement supporting plates are arranged in the rubble layer, the tops of the anti-settlement supporting plates are flush with the bottom of the highway subgrade main body, the anti-settlement supporting plates are fixedly sleeved on the corresponding concrete reinforcing rods, a pouring cavity is preset on the highway subgrade main body, a plurality of X-shaped tie bars are arranged in the pouring cavity, and the X-, the top ends of the concrete reinforcing rods are flush with the inner wall of the bottom of the pouring cavity, a water-stop layer is arranged at the top of the highway subgrade main body, a plurality of drain holes are preset in the water-stop layer, both sides of each drain hole are arranged to be inclined structures, a pavement layer is arranged above the water-stop layer, a plurality of first water inlet holes are formed in the inner wall of the top of each drain hole, a plurality of mounting holes communicated with the first water inlet holes are formed in the top of the pavement layer, a first support ring is fixedly sleeved in each first water inlet hole, a filter plate is movably contacted with the top of each first support ring, a plurality of positioning rods are fixedly installed at the top of each first support ring in an annular mode, the filter plate is movably sleeved on the corresponding positioning rods, the top ends of the positioning rods extend into the mounting holes, a second support ring is fixedly sleeved in each mounting hole, the plurality of positioning rods positioned in the same, the top of apron and the top parallel and level of pavement layer, the apron movable sleeve is established on a plurality of locating levers that correspond, and the second inlet opening has been seted up at the top of apron.

Preferably, both sides of the drain hole are connected with drain channels or drain pipes on both sides or in the middle of the highway.

Preferably, the top of filter is the annular and has seted up a plurality of first rectangular holes, the outside movable contact of the inner wall in first rectangular hole and the locating lever that corresponds.

Preferably, a plurality of second rectangular holes are annularly formed in the top of the cover plate, and the inner walls of the second rectangular holes are in movable contact with the outer sides of the corresponding positioning rods.

Preferably, a plurality of rectangular grooves are preset in the top of the gravel layer, and the inner walls of the rectangular grooves are fixedly connected with the outer sides of the corresponding anti-settling support plates.

Compared with the prior art, the beneficial effects of the utility model are that:

the soil base layer can be reinforced by the arrangement of the concrete reinforcing rods and the barbs, the arrangement of the anti-settling support plate, the gravel layer and the X-shaped lacing bars is matched, the bearing capacity of the highway subgrade body can be improved, the stability of the highway subgrade body is further improved, when rain exists on the pavement layer, the rain can penetrate through the corresponding filter plate and the first water inlet hole through the second water inlet hole to enter the drainage hole, and the water in the drainage hole flows into a drainage ditch or a drainage pipe along the inclined structure of the drainage hole, and the setting of filter can filter the impurity that enters into the downthehole rainwater of drainage, upwards stimulates the apron, can upwards follow the mounting hole with the apron and shift out, can take out the impurity on the filter.

The utility model relates to a rationally, the setting of backup pad, metalling and X shape drawknot muscle is prevented subsiding by a plurality of concrete anchor strut and barb cooperation can improve the bearing capacity of highway subgrade main part to further having heightened the stability of highway subgrade main part and soil basic unit, reduce its risk of subsiding, the setting of wash port can accelerate the emission of rainwater, cooperate the water barrier simultaneously and can reduce the intraformational volume of rainwater infiltration soil basic unit, reduce the risk that the soft highway subgrade main part of causing of soil subsides, satisfy the user demand.

Drawings

Fig. 1 is a schematic sectional view of an anti-settling device for highway subgrade according to the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1 soil basic unit, 2 highway road bed main parts, 3 rubble layers, 4 concrete reinforcement bars, 5 barbs, 6 prevent subsiding the backup pad, 7 pour the cavity, 8X shape drawknot muscle, 9 water barrier, 10 wash ports, 11 pavement layers, 12 first inlet openings, 13 first support ring, 14 filter, 15 locating levers, 16 apron, 17 second inlet openings, 18 second support rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a highway subgrade anti-settlement device comprises a soil base layer 1 and a highway subgrade main body 2 arranged above the soil base layer 1, wherein a same gravel layer 3 is arranged between the soil base layer 1 and the highway subgrade main body 2, a plurality of concrete reinforcing rods 4 are arranged in the soil base layer 1, barbs 5 which are obliquely arranged are fixedly arranged on two sides of each concrete reinforcing rod 4, two barbs 5 which are opposite left and right on the same concrete reinforcing rod 4 are symmetrically arranged, the top ends of the concrete reinforcing rods 4 penetrate through the gravel layer 3 and extend into the highway subgrade main body 2, a plurality of anti-settlement support plates 6 are arranged in the gravel layer 3, the top parts of the anti-settlement support plates 6 are flush with the bottom parts of the highway subgrade main body 2, the anti-settlement support plates 6 are fixedly sleeved on the corresponding concrete reinforcing rods 4, and pouring cavities 7 are preset on the highway, a plurality of X-shaped tie bars 8 are arranged in the pouring cavity 7, the X-shaped tie bars 8 are all fixed in the pouring cavity 7 through concrete pouring, the top ends of the concrete reinforcing rods 4 are flush with the inner wall of the bottom of the pouring cavity 7, a water-stop layer 9 is arranged at the top of the highway subgrade main body 2, a plurality of water drainage holes 10 are preset on the water-stop layer 9, two sides of each water drainage hole 10 are respectively of an inclined structure, a pavement layer 11 is arranged above the water-stop layer 9, a plurality of first water inlet holes 12 are arranged on the inner wall of the top of each water drainage hole 10, a plurality of mounting holes communicated with the first water inlet holes 12 are arranged at the top of the pavement layer 11, a first support ring 13 is fixedly sleeved in each first water inlet hole 12, a filter plate 14 is movably contacted with the top of the first support ring 13, a plurality of positioning rods 15 are fixedly arranged at the top of the first support ring 13 in an annular shape, the top ends of the positioning rods 15 extend into the mounting holes, the mounting holes are internally and fixedly sleeved with second support rings 18, a plurality of positioning rods 15 positioned in the same mounting hole are positioned in the corresponding second support rings 18, the top of each second support ring 18 is movably contacted with a cover plate 16, the top of each cover plate 16 is flush with the top of the pavement layer 11, the cover plates 16 are movably sleeved on the corresponding positioning rods 15, and the top of each cover plate 16 is provided with a second water inlet hole 17. the utility model has the advantages of reasonable design, a plurality of concrete reinforcing rods 4 and barbs are matched with the arrangement of the anti-settling support plates 6, the gravel layers 3 and the X-shaped tie bars 8, thereby improving the bearing capacity of the highway subgrade main body 2, further improving the stability of the highway subgrade main body 2 and the soil base layer 1, reducing the sedimentation risk of the highway subgrade main body, accelerating the discharge of rainwater by the arrangement of the drain holes 10, and simultaneously being matched with, reduce the soft risk that causes highway subgrade main part 2 to subside of soil, satisfy the user demand.

In the utility model, both sides of the water drain hole 10 are connected with the drainage canals or drainage pipes at both sides or the middle part of the highway, the top of the filter plate 14 is in annular shape and is provided with a plurality of first rectangular holes, the inner walls of the first rectangular holes are in movable contact with the outer sides of the corresponding positioning rods 15, the top of the cover plate 16 is in annular shape and is provided with a plurality of second rectangular holes, the inner walls of the second rectangular holes are in movable contact with the outer sides of the corresponding positioning rods 15, the top of the gravel layer 3 is preset with a plurality of rectangular grooves, the inner walls of the rectangular grooves are fixedly connected with the outer sides of the corresponding anti-settling support plates 6, the utility model has reasonable design, a plurality of concrete reinforcing rods 4 and barbs are matched with the anti-settling support plates 6, the gravel layer 3 and the X-shaped lacing bars 8, the bearing capacity of the highway subgrade body 2 can be improved, the stability of the highway subgrade body 2 and, the arrangement of the drain holes 10 can accelerate the drainage of rainwater, and meanwhile, the amount of rainwater permeating into the soil base layer 1 can be reduced by matching with the waterproof layer 9, so that the risk of settlement of the highway subgrade main body 2 caused by loose and soft soil is reduced, and the use requirement is met.

The working principle is as follows: the arrangement of the concrete reinforcing rods 4 and the barbs 5 can reinforce the soil base layer 1, reduce the risk of offset and depression of the soil base layer, the arrangement of the anti-settlement support plate 6, the gravel layer 3 and the X-shaped tie bars 8 can improve the bearing capacity of the highway subgrade main body 2, and the stability of the highway subgrade main body 2 is further improved by matching the concrete reinforcing rods 4 and the barbs 5, so that the risk of settlement is reduced;

when rain exists on the pavement layer 11, the rain water passes through the corresponding filter plate 14 and the first water inlet 12 through the second water inlet 17 and enters the drain hole 10, because both sides of the drain hole 10 are connected with the drainage ditches or the drainage pipes on both sides or the middle part of the expressway, the water in the drain hole 10 flows into the drainage ditches or the drainage pipes along the inclined structure thereof, the arrangement of the drain hole 10 accelerates the efficiency of rain water discharge and reduces the risk of rain water permeating into the soil base layer 1, and the arrangement of the filter plate 14 can filter impurities in the rain water entering the drain hole 10, thereby avoiding the phenomenon that the drain hole 10 is blocked when the impurities enter the drain hole 10, the cover plate 16 is pulled upward, so that the cover plate 16 can be moved upward out of the mounting hole, and the impurities on the filter plate 14 can be taken out.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a highway subgrade anti-settling device, including soil basic unit (1) and be located highway subgrade main part (2) of soil basic unit (1) top, a serial communication port, be provided with same metalling (3) between soil basic unit (1) and the highway subgrade main part (2), be equipped with a plurality of concrete reinforcing rods (4) in soil basic unit (1), barb (5) that the slope set up are all fixed to the both sides of concrete reinforcing rod (4), two barb (5) that are relative about being located on same concrete reinforcing rod (4) are symmetrical to be set up, the top of concrete reinforcing rod (4) runs through metalling (3) and extends to highway subgrade main part (2) in, be equipped with a plurality of anti-settling support plates (6) in metalling (3), the top of anti-settling support plate (6) is the bottom parallel and level with highway subgrade main part (2), the fixed cover of anti-settling support plate (6) is established on corresponding concrete reinforcing rod (4), a pouring cavity (7) is preset on a highway subgrade main body (2), a plurality of X-shaped tie bars (8) are arranged in the pouring cavity (7), the X-shaped tie bars (8) are all poured and fixed in the pouring cavity (7) through concrete, the top end of a concrete reinforcing rod (4) is flush with the inner wall of the bottom of the pouring cavity (7), a water-resisting layer (9) is arranged at the top of the highway subgrade main body (2), a plurality of drain holes (10) are preset on the water-resisting layer (9), both sides of the drain holes (10) are respectively of an inclined structure, a pavement layer (11) is arranged above the water-resisting layer (9), a plurality of first water inlet holes (12) are formed in the inner wall of the top of the drain holes (10), a plurality of mounting holes communicated with the first water inlet holes (12) are formed in the top of the pavement layer (11), a first support ring (13) is fixedly sleeved in the first water inlet holes (12), and a filter plate (14) is movably contacted with the top of, the top of first supporting ring (13) is annular fixed mounting and has a plurality of locating levers (15), filter (14) movable sleeve is established on a plurality of locating levers (15) that correspond, the top of locating lever (15) extends to in the mounting hole, the fixed cover is equipped with second supporting ring (18) in the mounting hole, a plurality of locating levers (15) that are located in same mounting hole are located corresponding second supporting ring (18), the top movable contact of second supporting ring (18) has apron (16), the top of apron (16) and the top parallel and level of pavement layer (11), apron (16) movable sleeve is established on a plurality of locating levers (15) that correspond, second inlet opening (17) have been seted up at the top of apron (16).

2. The highway subgrade anti-settling device according to claim 1, wherein both sides of said drainage hole (10) are connected with drainage canals or pipes on both sides or in the middle of the highway.

3. The highway subgrade anti-settlement device according to claim 1, characterized in that the top of the filter plate (14) is annularly provided with a plurality of first rectangular holes, and the inner walls of the first rectangular holes are movably contacted with the outer sides of the corresponding positioning rods (15).

4. The highway subgrade anti-settling device according to claim 1, wherein the top of the cover plate (16) is annularly provided with a plurality of second rectangular holes, and the inner walls of the second rectangular holes are movably contacted with the outer sides of the corresponding positioning rods (15).

5. The highway subgrade anti-settling device according to claim 1, wherein a plurality of rectangular grooves are preset at the top of the gravel layer (3), and the inner walls of the rectangular grooves are fixedly connected with the outer sides of the corresponding anti-settling support plates (6).