CN215668794U - Reinforced structure of half-filled and half-excavated roadbed - Google Patents

Abstract

The utility model discloses a reinforcing structure of a half-filled and half-excavated roadbed, which comprises a plurality of mutually stacked rib cage frames, anti-slide piles inserted into the ground and foamed light soil filled in the rib cage frames; the rib cage frames are stacked into multiple layers along the side slope, supporting side plates are arranged on two sides of the rib cage frame at the bottommost layer, one end of each anti-slide pile is connected to each supporting side plate, and the other end of each anti-slide pile is fixed to the ground; except the top layer and the bottom layer of the rib cage frame, a plurality of concave-convex fixing pieces which are matched with each other are arranged on each layer of the rib cage frame at intervals. According to the utility model, the slope area can be effectively reinforced through the reinforcing structure, and the problems of difficult construction, short construction period, difficult material replacement and the like in the emergency rescue construction of the high-grade highway subgrade are solved.

Description

Reinforced structure of half-filled and half-excavated roadbed

Technical Field

The utility model belongs to the field of road construction, and particularly relates to a reinforcing structure of a half-fill and half-cut roadbed.

Background

In China, along with the great development of economy, the number of countries for road construction is increasing day by day, and natural disasters such as water damage of expressways in China are frequent in western hilly areas and flood seasons.

For example, the Yurong high-speed Sichuan segment starts from the intersection of a city-winding highway and a city-winding highway, passes through the Luo band of a city dragon fountain district, the places of horse cultivation, Hefeng in the Yangyang city, Gangsi in the Lezhi county, Xingxing, Shuanghe, and Yueyuan, culture, prosperous and the like in the Anyue county, ends at the faithful county Yangtze bridge in the Anyue county at the intersection of the Sichuan and Chongqing, and builds a mileage of 174.539 kilometers. The Yurong high-speed Sichuan sections are located in the red-bed mudstone areas of Sichuan, so that red-bed mudstones are used for most roadbed fillers in order to reduce a large number of waste squares, protect the environment and save the investment.

The method is characterized in that strong rainfall is encountered in Sichuan in 2018 and 2019, continuous super-large heavy rainstorm occurs in Sichuan in the flood season of 2018, the strong rainfall causes dangerous situations to occur in multiple road sections of Yurong high-speed Sichuan section due to water damage, and dangerous situations such as transverse cracks, slipping, collapse and the like occur in roadbed of multiple slope road sections, wherein roadbed collapse in the length of nearly 130 meters occurs in the K237+120 work point Chongqing direction, and the roadbed is seriously damaged.

After the water damage disaster happens, in order to meet the requirement of quickly recovering traffic, construction needs to be carried out within a smaller construction range, and the influence on the operation of the expressway is reduced as much as possible. Therefore, new construction technology needs to be continuously researched on the construction method, and the rapid traffic recovery of the expressway is ensured.

In recent years, the foam light soil is researched, developed and applied to the engineering field of replacing filling on a large scale in China, and is applied to projects such as Guangzhou sub-shipping major track reconstruction and extension, south-to-north water diversion, Shanghai subway No. 7 line, Beijing subway Olympic branch line, Shantou Zhongshan Dongdao road reconstruction and the like.

However, in the Yu region, the mountain land is rugged, in the slope region, the roadbed is often cracked transversely due to rainfall, the side slope collapses and slides, the foundation is not stable enough in rainy season due to the fact that light floating soil is simply adopted, the stability of the foundation needs to be analyzed, and a more stable mode is adopted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reinforcing structure of a half-fill and half-cut roadbed, which can effectively reinforce a slope region and solve the problems of difficult construction, short construction period, difficult material replacement and the like in the emergency rescue construction of a high-grade highway roadbed.

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

a reinforcing structure of a half-filled and half-excavated roadbed comprises a plurality of mutually stacked rib cage frames, anti-slide piles inserted into the ground and foamed light soil filled in the rib cage frames; the rib cage frames are stacked into multiple layers along the side slope, supporting side plates are arranged on two sides of the rib cage frame at the bottommost layer, one end of each anti-slide pile is connected to each supporting side plate, and the other end of each anti-slide pile is fixed to the ground; except the top layer and the bottom layer of the rib cage frame, a plurality of concave-convex fixing pieces which are matched with each other are arranged on each layer of the rib cage frame at intervals.

Further, muscle cage frame bottom still is provided with the bed course, the bed course includes smooth rubble layer, and the rubble layer is laid along the side slope.

Furthermore, a connecting rib plate is arranged between the supporting side plate and the anti-slide pile.

Furthermore, a plurality of connecting through holes are formed in the connecting end faces of the connecting rib plates and the anti-slide piles.

Further, a reinforced concrete cushion layer is arranged at the bottom of the slide-resistant pile.

Furthermore, the reinforcement cage frame is formed by welding a plurality of steel bars.

Compared with the prior art, the utility model has the advantages that: firstly, the utility model adopts a method of combining the anti-slide piles, the reinforcement cage frames and the foam light soil on the slope and the slope section which are easy to slide down, solves the problem of roadbed sliding caused by rainfall through the anti-slide piles, and moreover, the reinforcement cage frames are processed in an up-down lamination way and are laid layer by layer, and concave-convex pieces which are mutually used for buckling are arranged on each layer, thus the problem of slope sliding down can be effectively solved, and the stability of the roadbed is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a reinforcing structure of a half-fill subgrade according to the present invention.

Fig. 2 is a schematic diagram showing the stacking of reinforcement cage frames of the reinforcement structure of the semi-filled and semi-excavated roadbed provided by the utility model.

Fig. 3 is a schematic view of a connection rib structure of a reinforcing structure of a half-fill subgrade according to the present invention.

Reference numerals: 1-connecting ribbed plates, 2-anti-slide piles, 3-reinforcement cage frames, 4-concave parts, 5-convex parts, 6-side plates and 7-connecting through holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element which is referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the appearances of the terms "first," "second," "third," and the like, if any, are only used to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

As shown in fig. 1 to 3, a reinforcing structure of a half-filled and half-excavated roadbed comprises a plurality of reinforcement cage frames 3 stacked with each other, anti-slide piles 2 inserted into the ground, and foamed lightweight soil filled in the reinforcement cage frames 3; the rib cage frames 3 are stacked into multiple layers along the side slope, supporting side plates 6 are arranged on two sides of the rib cage frame 3 at the bottommost layer, one end of each anti-slide pile 2 is connected to the corresponding supporting side plate 6, and the other end of each anti-slide pile is fixed to the ground; except top layer and bottom muscle cage frame 3, all the other every layer muscle cage frame 3 is all provided with a plurality of unsmooth mountings of mutually supporting about the interval.

Compared with the prior art, the utility model adopts the reinforced structure at the road section which is easy to collapse, and combines the foam light soil, so that on one hand, the roadbed of the side slope road section in the hilly area can be effectively protected, and on the other hand, the utility model can ensure good construction performance, does not need to be vibrated and rolled, can effectively reduce the construction period, and can quickly construct and recover traffic if the road is damaged. Meanwhile, the foamed light soil can adopt automatic equipment, the instability of wet density formed by manual operation is avoided, and the construction quality is easy to control, so that the construction quality is improved. Meanwhile, the rib cage frames 3 adopted by the utility model are stacked in an upper layer and a lower layer, the rib cage frames 3 except the uppermost layer and the bottommost layer are respectively provided with the concave parts 4 or the convex parts 5 on the upper surface and the lower surface of the rib cage frames 3, the concave parts 4 or the convex parts 5 are formed by steel bars during welding, and the concave parts 4 and the convex parts 5 can be mutually matched. Therefore, in the construction process of the side slope, the rib cage frame 3 can effectively prevent the problems of slipping and the like.

Muscle cage frame 3 is formed by many steel reinforcement welding, and 3 bottoms of muscle cage frame still are provided with the bed course, and the bed course includes smooth metalling, and the metalling is laid along the side slope. The bed course can let erects of muscle cage frame 3 as far as possible regular to can increase the friction, avoid when the side slope, muscle cage frame 3 takes place the skew, cause finally to lay effect and design effect and have a quantitative deviation.

And a connecting ribbed plate 1 is arranged between the supporting side plate 6 and the slide-resistant pile 2. The connecting rib plate 1 is used for fixing the supporting side plate 6 to the end of the anti-slide pile 2, and the auxiliary positioning effect on the reinforcement cage frame 3 is achieved.

The connecting end surfaces of the connecting rib plates 1 and the slide-resistant piles 2 are provided with a plurality of connecting through holes 7. And a reinforced concrete cushion layer is arranged at the bottom of the anti-slide pile 2.

When the anti-slide pile is used specifically, the laying of the reinforced concrete cushion layer of the anti-slide pile 2 is preferably completed, and the anti-slide piles 2 are driven at intervals on the easy-to-slip road section of the side slope to form row piles. Lay comparatively level rubble layer again at highway section bottom, then lay muscle cage frame 3 again at the target highway section, muscle cage frame 3 begins to erect by the bottom, and the hierarchical level up piles up each other in proper order and aligns, at the pile-up in-process, needs the unsmooth piece 5 of alignment muscle cage frame 3 upper and lower surface setting for unsmooth piece 5 can form mutual buckle effect. After stacking is completed, the foam light soil is filled by adopting automatic equipment at one time, has good construction performance, does not need vibrating and rolling, and can effectively reduce the construction period. And when meeting heavy rainfall again, the muscle cage frame 3 that piles up each other is difficult for the displacement, when restoreing again, can resume the traffic fast.

The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims (6)

1. The utility model provides a reinforced structure of half-fill and half-cut roadbed which characterized in that: the anti-skid pile comprises a plurality of mutually stacked reinforcement cage frames (3), anti-skid piles (2) inserted into the ground and foamed light soil filled in the reinforcement cage frames (3); the rib cage frames (3) are stacked into multiple layers along the side slope, supporting side plates (6) are arranged on two sides of the rib cage frame (3) at the bottommost layer, one end of each anti-slide pile (2) is connected to each supporting side plate (6), and the other end of each anti-slide pile is fixed to the ground; except the top layer and the bottom layer of the rib cage frame (3), a plurality of concave-convex fixing pieces which are matched with each other are arranged on each layer of the rib cage frame (3) at intervals.

2. The reinforced structure of the semi-cut fill subgrade according to claim 1, characterized in that: the bottom of the rib cage frame (3) is also provided with a cushion layer, the cushion layer comprises a flat crushed stone layer, and the crushed stone layer is laid along a side slope.

3. The reinforced structure of the semi-cut fill subgrade according to claim 2, characterized in that: and a connecting ribbed slab (1) is arranged between the supporting side plate (6) and the anti-slide pile (2).

4. The reinforced structure of the semi-cut fill subgrade according to claim 3, characterized in that: the connection end faces of the connection rib plates (1) and the anti-slide piles (2) are provided with a plurality of connection through holes (7).

5. The reinforced structure of the semi-cut fill subgrade according to claim 1, characterized in that: and a reinforced concrete cushion layer is arranged at the bottom of the anti-slide pile (2).

6. The reinforced structure of the semi-cut fill subgrade according to claim 1, characterized in that: the reinforcement cage frame (3) is formed by welding a plurality of steel bars.

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