CN221167274U

CN221167274U - Combined roadbed structure

Info

Publication number: CN221167274U
Application number: CN202322766177.XU
Authority: CN
Inventors: 陈嘉璇; 杨威洪; 卢群性; 王建华; 王辉
Original assignee: Guangdong Zhongji Huasheng Construction Engineering Co ltd
Current assignee: Guangdong Zhongji Huasheng Construction Engineering Co ltd
Filing date: 2023-10-14
Publication date: 2024-06-18
Anticipated expiration: 2033-10-14

Abstract

The utility model discloses a combined roadbed structure, which relates to the technical field of roadbeds and comprises a soil layer, a supporting connection layer, a sand stone layer, a filler layer and a roadbed layer which are sequentially and fixedly arranged from bottom to top, wherein the supporting connection layer comprises a supporting plate and threaded steel bars, threaded holes which are uniformly distributed are formed in two sides of the supporting plate, two ends of the threaded steel bars are respectively arranged in the threaded holes of two adjacent supporting plates in a threaded manner, and ground piles which are uniformly distributed and positioned in the soil layer are fixedly arranged at the bottom of the supporting plate. According to the utility model, the supporting plates can be fixed in the soil layer through the ground piles, the adjacent supporting plates can be connected through the screw reinforcing steel bars, so that after the soil at the bottom of the supporting plates is lost and is supported, the supporting plates can be connected and supported by other adjacent supporting plates, the whole roadbed is not easy to subside and deform, and the screw reinforcing steel bars can be arranged between two supporting plates with different intervals through rotation, so that people can conveniently pave the supporting plates in a combined way.

Description

Combined roadbed structure

Technical Field

The utility model relates to the technical field of roadbeds, in particular to a combined roadbed structure.

Background

Municipal road engineering refers to engineering of municipal infrastructure construction. The road foundation can be built during municipal road engineering construction. The roadbed is a strip-shaped structure which is built according to the route position and certain technical requirements and is used as a road surface foundation, and the roadbed is a linear structure which is built by using soil or stone. It bears its own weight of rock and soil and the weight of road surface, and the load of running vehicle transmitted from road surface, and is an important component of whole road construction.

Along with the geological change and the flowing of groundwater, part of soil at the bottom of the roadbed can be lost or hollowed out, so that the partial area at the bottom of the roadbed is free from support, and the roadbed area free from support is easy to subside after the roadbed is subjected to the downward pressure of the vehicle at the top of the roadbed, so that the pavement is cracked and deformed, and normal use is affected.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model provides a combined roadbed structure, which comprises the following specific technical scheme:

The utility model provides a modular roadbed structure, includes soil layer, supporting connecting layer, sand stone layer, packing layer and the road surface layer that from bottom to top fixed being equipped with in proper order, supporting connecting layer includes bearing plate and screw thread reinforcing bar, evenly distributed's screw hole has been seted up to the bearing plate both sides, screw thread reinforcing bar both ends are respectively the screw thread is established at two adjacent screw hole of bearing plate, the fixed ground stake that is equipped with evenly distributed and is located the soil layer inside of bearing plate bottom, fixed waterproof geotechnical cloth that is equipped with between sand stone layer and the supporting connecting layer, the clearance intussuseption between soil layer, bearing plate, screw thread reinforcing bar and the waterproof geotechnical cloth is filled with the filling.

By adopting the technical scheme, the adjacent supporting plates can be connected through the screw reinforcement, so that after the soil at the bottom of the supporting plates is lost and the supporting plates are lost, the other adjacent supporting plates can be used for connecting and supporting the supporting plates.

Optionally, the sand stone layer and the filler layer both sides are all fixed and are equipped with the safe edge layer, the safe edge layer is fixed to be established in road surface layer bottom edge department, the safe edge layer is fixed to be established in support tie layer top edge department, the support plate is fixed to be established at soil horizon top.

By adopting the technical scheme, the edge protection layer can shield two sides of the roadbed, and can prevent deformation and soil erosion of two sides of the roadbed.

Optionally, the grit layer includes grit and steel reinforcement cage, inside the steel reinforcement cage is filled to the grit, two drain pipes that the steel reinforcement cage inner wall bottom is fixed to be equipped with symmetric distribution, drain pipe one end runs through and extends to the safe edge outside.

By adopting the technical scheme, rainwater seeping down on the road surface during raining can be discharged through the drain pipe after being filtered by the structures such as the filler layer, the permeable geotechnical cloth, the sand stone layer and the like.

Optionally, a permeable geotextile is fixedly arranged between the sand layer and the filler layer.

By adopting the technical scheme, the permeable geotechnical cloth can facilitate rainwater in the filler layer to flow down, and can block the filler in the filler layer.

In summary, the present utility model includes at least one of the following beneficial effects:

1. The supporting plates can be fixed in the soil layer through the ground piles, adjacent supporting plates can be connected and combined through the screw reinforcing steel bars, so that after the soil at the bottom of the supporting plates is lost and supported, the supporting plates can be connected and supported by other adjacent supporting plates, the whole roadbed is not easy to subside and deform, and the screw reinforcing steel bars can be arranged between two supporting plates at different intervals through rotation, so that people can conveniently pave the supporting plates in a combined mode.

2. Can wrap up and spacing the grit through the steel reinforcement cage, make the sand stone layer can form a whole, make things convenient for on-the-spot hoist and mount, and the rainwater that oozes down on the road surface when raining is filtered the back through structures such as packing layer, geotechnique cloth that permeates water and sand stone layer, can discharge through the drain pipe and use as the normal water in lavatory to make the difficult ponding of road bed after long-time raining through the drainage.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is an enlarged view of the structure A of FIG. 1 in accordance with the present utility model;

Fig. 3 is a top view of the connection of the support plate and rebar of the present utility model.

Reference numerals illustrate: 1. a soil layer; 2. supporting the connection layer; 21. a support plate; 22. screw-thread steel bar; 23. a threaded hole; 24. filling soil; 25. a ground pile; 3. a sand layer; 31. a drain pipe; 32. water permeable geotextile; 33. waterproof geotextile; 4. a filler layer; 5. a road surface layer; 6. and a protective edge layer.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the utility model discloses a combined roadbed structure, referring to fig. 1, which comprises a soil layer 1, a supporting connection layer 2, a sand stone layer 3, a packing layer 4 and a roadbed layer 5 which are sequentially and fixedly arranged from bottom to top, wherein the soil layer 1 is soil at the bottom of the roadbed, can support the structures such as the supporting connection layer 2, the packing layer 4 is a mixture of lime and lime or fine sand, can support the roadbed layer 5, and the roadbed layer 5 can be a pavement such as asphalt.

Referring to fig. 1, the two sides of the sand layer 3 and the filler layer 4 are fixedly provided with a protective layer 6, the protective layer 6 is fixedly arranged at the edge of the bottom of the road surface layer 5, the protective layer 6 is fixedly arranged at the edge of the top of the supporting connection layer 2, the protective layer 6 can shield two sides of a road base, deformation and water and soil loss of two sides of the road base can be prevented, and the protective layer 6 can be made of concrete.

Referring to fig. 1 to 3, the support connection layer 2 includes support plates 21 and screw bars 22, screw holes 23 are uniformly distributed on both sides of the support plates 21, both ends of the screw bars 22 are respectively screwed in the screw holes 23 of two adjacent support plates 21, the two adjacent support plates 21 can support and fix the screw bars 22 through the screw holes 23, and the screw bars 22 can connect and fix the two adjacent support plates 21.

Referring to fig. 1-2, the bottom of the supporting plate 21 is fixedly provided with ground piles 25 uniformly distributed and positioned inside the soil layer 1, the supporting plate 21 is detachably inserted into the top of the soil layer 1, and the supporting plate 21 can be fixed on the top of the soil layer 1 through the ground piles 25.

Referring to fig. 1-2, a waterproof geotechnical cloth 33 is fixedly arranged between the sand and stone layer 3 and the supporting connection layer 2, the waterproof geotechnical cloth 33 can block rainwater on the sand and stone layer 3, so that rainwater cannot enter the supporting connection layer 2, gaps among the soil layer 1, the supporting plate 21, the screw thread reinforcing steel bars 22 and the waterproof geotechnical cloth 33 are filled with filling soil 24, and the filling soil 24 can fill gaps among the soil layer 1, the supporting plate 21, the screw thread reinforcing steel bars 22 and the waterproof geotechnical cloth 33 and support the waterproof geotechnical cloth 33 and the sand and stone layer 3 at the top.

Referring to fig. 1-2, the sand and stone layer 3 includes grit and steel reinforcement cage, and the grit is filled inside the steel reinforcement cage, and the steel reinforcement cage can wrap up and spacing the grit, makes sand and stone layer 3 can form a whole, and after the soil of foundation bottom part lost the support, it is difficult for subsidence to form a holistic sand and stone layer 3, and forms holistic sand and stone layer 3 can make things convenient for on-the-spot hoist and mount for efficiency of construction.

Referring to fig. 1-2, two drain pipes 31 which are symmetrically distributed are fixedly arranged at the bottom of the inner wall of the reinforcement cage, one end of each drain pipe 31 penetrates through and extends to the outside of the protective edge layer 6, and rainwater which seeps down on the road surface during raining can be discharged through the drain pipes 31 after being filtered by the sand stone layer 3 and other structures, so that water accumulation at the bottom of the roadbed is difficult.

Referring to fig. 1-2, a permeable geotextile 32 is fixedly arranged between the sand layer 3 and the filler layer 4, and the permeable geotextile 32 can facilitate rainwater in the filler layer 4 to flow down, and can block and support filler in the filler layer 4.

The implementation principle of the combined roadbed structure of the embodiment of the utility model is as follows:

When in installation, people can tamp the supporting plates 21 into the soil layer 1 one by one, at this time, the ground piles 25 are inserted into the soil layer 1, then the screw thread steel bars 22 in the supporting plates 21 are rotated, one end of each screw thread steel bar 22 enters the threaded holes 23 in the other supporting plate 21 along with rotation, and the connection of the two adjacent supporting plates 21 is completed;

Filling and tamping the filling 24 in the gaps among the supporting plate 21, the screw reinforcing steel bars 22 and the soil layer 1, paving waterproof geotextile 33 on the supporting and connecting layer 2, integrally hoisting the sand layer 3 to the waterproof geotextile 33 on site, paving permeable geotextile 32 on the sand layer 3, paving the guard edge layer 6 on the top of the supporting and connecting layer 2 and on two sides of the sand layer 3, simultaneously, paving the drain pipe 31 into the guard edge layer 6, enabling the top end of the drain pipe 31 to enter the bottom of the sand layer 3, filling and tamping the filler layer 4 between the guard edge layer 6 and the top of the sand layer 3, constructing the pavement layer 5 on the top of the filler layer 4 and the guard edge layer 6, backfilling soil after construction, and enabling the backfilled soil to cover the guard edge layer 6 and other structures;

When the soil at the bottom of the supporting plate 21 is lost and the supporting is lost, the supporting plate 21 can be connected and supported by other adjacent supporting plates 21 by matching with the connection of the twisted steel 22, so that the whole roadbed is not easy to subside and deform.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A combination type roadbed structure, which is characterized in that: including soil layer (1), support tie layer (2), grit layer (3), packing layer (4) and pavement layer (5) that are equipped with from bottom to top in proper order, support tie layer (2) are including bearing plate (21) and screw thread reinforcing bar (22), evenly distributed's screw hole (23) have been seted up to bearing plate (21) both sides, screw thread reinforcing bar (22) both ends are established respectively at adjacent two in screw hole (23) of bearing plate (21), bearing plate (21) bottom is fixed be equipped with evenly distributed and is located soil layer (1) inside ground stake (25), be equipped with waterproof geotechnical cloth (33) between grit layer (3) and the support tie layer (2), the clearance intussuseption between soil layer (1), bearing plate (21), screw thread reinforcing bar (22) and waterproof geotechnical cloth (33) is filled with soil (24).

2. A modular subgrade structure according to claim 1, in which: the sand and stone layer (3) and the filler layer (4) both sides are all fixed and are equipped with safe edge layer (6), safe edge layer (6) are fixed to be established in road surface layer (5) bottom edge.

3. A modular subgrade structure according to claim 2, in which: the edge protection layer (6) is fixedly arranged at the top edge of the supporting connection layer (2), and the supporting plate (21) is fixedly arranged at the top of the soil layer (1).

4. A modular subgrade structure according to claim 3, in which: the sand and stone layer (3) comprises sand and stone and a steel reinforcement cage, and the sand and stone is filled in the steel reinforcement cage.

5. The modular subgrade structure according to claim 4, wherein: two drain pipes (31) which are symmetrically distributed are fixedly arranged at the bottom of the inner wall of the reinforcement cage, and one end of each drain pipe (31) penetrates through and extends to the outside of the protective edge layer (6).

6. A modular subgrade structure according to claim 1, in which: a permeable geotextile (32) is fixedly arranged between the sand layer (3) and the filler layer (4).