阅读说明：本技术 一种桩板墙结构及路基结构 (Pile slab wall structure and roadbed structure ) 是由 郭锐 陈胜超 胡永富 毛斌 陈杰 单君 项晓阳 于 2020-06-17 设计创作，主要内容包括：本申请提供了一种桩板墙结构及路基结构,涉及土建工程领域。桩板墙结构包括沿前后方向间隔布置多个抗滑桩结构单元和挡土板。每个抗滑桩结构单元包括横梁和沿左右方向间隔布置的两个抗滑桩,两个抗滑桩通过横梁连接。在前后方向上的每相邻的两个抗滑桩通过至少一个挡土板连接。全部抗滑桩和挡土板共同界定出填充加筋土路基的填充空间。在左右方向上相对的两个抗滑桩通过横梁连接,能够保证两个抗滑桩的相对稳定性。在一些特殊地形需要增加桩板墙地上部分的竖向长度,横梁能够保证悬臂部分的稳定性,避免出现抗滑桩地上部分因悬臂太长而出现晃动,使得该桩板墙结构能够满足一些对垂直防护高度要求更高的情况的使用要求。(The application provides a pile plate wall structure and roadbed structure relates to the civil engineering field. The pile-plate wall structure includes a plurality of slide-resistant pile structural units and retaining plates arranged at intervals in the front-rear direction. Each anti-slide pile structure unit comprises a cross beam and two anti-slide piles arranged at intervals in the left-right direction, and the two anti-slide piles are connected through the cross beam. Every two adjacent slide piles in the front-rear direction are connected by at least one retaining plate. And all the anti-slide piles and the retaining plates define a filling space for filling the reinforced soil roadbed together. Two anti-slide piles which are opposite in the left and right directions are connected through the cross beam, and the relative stability of the two anti-slide piles can be guaranteed. Need increase the vertical length of the overground part of pile board wall in some special topography, the stability of cantilever part can be guaranteed to the crossbeam, avoids appearing the overground part of friction pile and rocks because of the cantilever is too long to appear for this pile board wall structure can satisfy some operation requirements to the higher condition of vertical protection height requirement.)

1. A pile panel wall structure, comprising:

a plurality of anti-slide pile structure units are arranged at intervals along the front-rear direction, each anti-slide pile structure unit comprises a cross beam and two anti-slide piles arranged at intervals along the left-right direction, and the two anti-slide piles are connected through the cross beam; and

a retaining plate, each adjacent two of the anti-slide piles in the front-rear direction being connected by at least one retaining plate;

wherein, the filling space for filling the reinforced soil roadbed is defined by all the anti-slide piles and the soil retaining plates together.

2. The pile panel wall structure according to claim 1, wherein each slide pile has a pile section located on the ground, the cross beam of each slide pile structure unit being connected between two pile sections of each slide pile structure unit;

the pile section has a first end and a second end located above the first end, and the distance from the cross beam to the first end is greater than the distance from the cross beam to the second end.

3. The pile-plate wall structure according to claim 1, wherein each slide resistant pile is provided with insertion grooves into which the soil retaining plates are inserted at both sides in the front-rear direction.

4. The pile-plate wall structure according to claim 3, wherein each slide resistant pile is provided at each side in the front-rear direction with a plurality of insertion grooves into which the soil retaining plate is inserted, the insertion grooves being vertically spaced apart, each insertion groove being arranged obliquely downward.

5. The pile plate wall structure according to claim 4, wherein the retaining plate comprises an insertion part and an abutting part, the abutting part and the insertion part are connected to form a T-shaped structure;

the inserting part is inserted into the inserting groove, and the abutting part is located on the outer side of the anti-slide pile and abuts against the anti-slide pile.

6. The pile board wall structure according to claim 3, wherein the slots are arranged vertically.

7. The pile plate wall structure according to claim 1, wherein the cross beam and the two slide piles of each slide pile structure unit are integrally formed.

8. A roadbed structure, comprising a reinforced roadbed and a pile-slab wall structure according to any one of claims 1 to 7;

and the reinforced soil roadbed is filled in the filling space.

9. The roadbed structure of claim 8, wherein the reinforced roadbed comprises a plurality of reinforced roadbed units which are vertically arranged;

each reinforced earth base unit comprises a reinforced net and a filler layer, and the filler layer is fixed on the reinforced net.

10. The roadbed structure of claim 9, wherein each of the reinforced nets comprises a bearing part and two bent parts respectively positioned at both ends in the left-right direction, and the bearing part is positioned between the two bent parts;

the bearing part is positioned on the lower surface of the filler layer side, and the two bending parts are fixed on the upper surface of the filler layer.

Technical Field

The application relates to the field of civil engineering, in particular to a pile slab wall structure and a roadbed structure.

Background

The danger avoiding lane is used as a preventive road safety facility, generally adopts a roadbed form, is mainly arranged on a dangerous road section of a highway and is used for reducing accidents such as vehicle rollover and the like caused by out-of-control vehicles. The arrangement of the danger-avoiding lane saves the lives of countless people. With the development of mountain expressway construction, the pile-plate wall technology is widely applied to slope retaining engineering and is suitable for complex terrains to a greater extent. For some dangerous road sections which are located on high and steep slopes between mountains, vertical protection is needed on two sides of the slopes, the protection height is high, the maximum height of a cantilever of the traditional pile plate wall is not more than 15m, and the requirement on the vertical protection height cannot be met if the cantilever exceeds 15 m.

Disclosure of Invention

The embodiment of the application provides a pile plate wall structure and roadbed structure to improve the too high unstable problem of meeting of present pile plate wall cantilever height.

In a first aspect, an embodiment of the present application provides a pile-plate wall structure including a plurality of anti-slide pile structure units and a retaining plate arranged at intervals in a front-rear direction. Each anti-slide pile structure unit comprises a cross beam and two anti-slide piles arranged at intervals in the left-right direction, and the two anti-slide piles are connected through the cross beam. Every two adjacent slide piles in the front-rear direction are connected by at least one retaining plate. And all the anti-slide piles and the retaining plates define a filling space for filling the reinforced soil roadbed together.

Among the above-mentioned technical scheme, two friction piles that are relative in the left and right directions pass through the crossbeam and connect, can guarantee the relative stability of two friction piles. Need increase the vertical length of the overground part of pile sheet wall in some special topography, promptly when the overground part cantilever of friction pile is longer, the stability of cantilever part can be guaranteed to the crossbeam, avoids appearing the overground part of friction pile because of the cantilever is too long and appears rocking for this pile sheet wall structure can satisfy some operation requirements to the higher condition of vertical protection height requirement. The arrangement of the retaining plates can reduce the use of the anti-slide piles under the condition that the reinforced roadbed in the filling space is not leaked, and the cost is saved.

In addition, the pile plate wall structure of the embodiment of the first aspect of the present application has the following additional technical features:

in some embodiments of the first aspect of the present application, each slide pile has a pile section located on the ground, the cross beam of each slide pile structure unit being connected between two pile sections of each slide pile structure unit; the pile section has a first end and a second end located above the first end, and the beam is spaced from the first end a greater distance than the beam.

Among the above-mentioned technical scheme, the distance that sets up the position of crossbeam apart from the top of stake portion is less than the distance apart from stake portion bottom for the possibility that rocks appears in the pile-sheet wall is littleer.

In some embodiments of the first aspect of the present application, each of the slide resistant piles is provided with an insertion groove into which the soil guard plate is inserted, at both sides in the front-rear direction.

Among the above-mentioned technical scheme, be equipped with the slot on the friction pile, the mode that keeps off the soil board and connects between arbitrary two adjacent friction piles on the fore-and-aft direction through inserting, and the installation of being convenient for and installation cost are low.

In some embodiments of the first aspect of the present application, each of the slide resistant piles is provided at each side in the front-rear direction with a plurality of insertion grooves into which the soil guard plates are inserted, the respective insertion grooves being arranged at vertical intervals, and each of the insertion grooves being arranged obliquely downward.

Among the above-mentioned technical scheme, each side of friction pile fore-and-aft direction all is equipped with a plurality of slots of vertical interval arrangement, can insert and establish a plurality of fender boards, and every slot slope arranges downwards, not only can be better in the prevention filling space add muscle dirt road base from the interval between two adjacent friction piles of back side direction and spill, and the slot slope arranges downwards, can insert in the extending direction automatic insertion slot of slot under self action of gravity behind the notch that the fender board inserted the slot, do not need the manpower to push into the slot with the fender board, and insert and locate the fender board in the slot and can remain throughout in the slot under the effect of self action of gravity, make keep off the stable slot of locating of fender board.

In some embodiments of the first aspect of the present application, the soil guard plate includes a socket portion and an abutting portion, and the abutting portion and the socket portion are connected to form a T-shaped structure; the insertion part is inserted into the slot, and the abutting part is positioned on the outer side of the slide-resistant pile and abuts against the slide-resistant pile.

Among the above-mentioned technical scheme, the fender apron is T type structure, and in some inserted slot, another part is located the outside of friction pile and supports with the friction pile and lean on, and the part that is located the friction pile outside can be used for planting green to form an ecological environment friendly, can carry out the pile board wall structure of full section afforestation, perhaps set up some other structures, make the function of fender apron diversified.

In some embodiments of the first aspect of the present application, the slots are arranged vertically.

Among the above-mentioned technical scheme, slot vertical arrangement for the extending direction of slot is unanimous with the gravity direction who keeps off the native board, and what be convenient for keeps off native board inserts establishes, and if the height that keeps off native board is suitable, only need a vertical fender native board of establishing of inserting just can spill two adjacent friction piles that prevent to add the muscle road bed on the front rear direction, and not only the leak protection is effectual, and can also reduce the use quantity and the installation number of times that keep off the native board.

In some embodiments of the first aspect of the present application, the cross beam and the two slide piles of each slide pile structural unit are integrally formed.

Among the above-mentioned technical scheme, every friction pile constitutional unit integrated into one piece for friction pile constitutional unit's mechanical strength is better, and it is better to prevent shaking the performance.

In a second aspect, an embodiment of the application provides a roadbed structure, which comprises a reinforced roadbed and a pile slab wall structure provided by the embodiment of the first aspect; the reinforced soil roadbed is filled in the filling space.

Among the above-mentioned technical scheme, this roadbed structure makes the stability of the friction pile that can two mutual dispositions better because of the setting of crossbeam, can satisfy some to the operation requirement of the higher condition of vertical protection height requirement. The arrangement of the retaining plates can reduce the use of the anti-slide piles under the condition that the reinforced roadbed in the filling space is not leaked, and the cost is saved. And the roadbed adds the muscle and can make the soil body more fasten, reduces the lateral force of the soil body to the friction pile.

In some embodiments of the second aspect of the present application, the reinforced soil subgrade comprises a plurality of vertically arranged reinforced soil subgrade units; each reinforced earth base unit comprises a reinforced net and a filler layer, and the filler layer is fixed on the reinforced net.

Among the above-mentioned technical scheme, the packing layer is fixed with the muscle net that adds, can improve the structural stability of every reinforced unit, adds the compressive capacity reinforcing that the muscle net made every reinforced earth base unit.

In some embodiments of the second aspect of the present application, each of the reinforced nets includes a bearing portion and two bending portions respectively located at both ends in the left-right direction, and the bearing portion is located between the two bending portions; the bearing part is located the lower surface of filler layer side, and two kinks all are fixed in the upper surface of filler layer.

Among the above-mentioned technical scheme, the setting of kink can make to add the muscle net fasten the packing layer in the filling space, not only can reduce the lateral force of packing layer to the friction pile, and can avoid the packing layer to spill in the interval between the adjacent friction pile in the front and back direction.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required 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 application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Figure 1 is a schematic view of a first perspective of a pile wall structure;

figure 2 is a schematic view of a second perspective of the pile wall structure;

figure 3 is a top view of a slide pile construction unit;

fig. 4 is a top view of a pilaster wall structure with vertically arranged slots in other embodiments;

fig. 5 is a schematic view of a pile board wall structure in other embodiments;

FIG. 6 is a top view of a retaining plate of the pile wall construction in a T-shaped configuration;

FIG. 7 is a schematic view of a pile sheet wall structure in which the retaining plate is a rectangular plate in other embodiments;

fig. 8 is a schematic view of a roadbed structure according to an embodiment of the second aspect of the present application;

fig. 9 is a schematic view of the reinforced roadbed in fig. 8.

Icon: 100-pile board wall construction; 10-a slide-resistant pile structural unit; 11-slide-resistant piles; 111-pile section; 112-pile foundation part; 113-a slot; 114-notches; 12-a cross beam; 121-middle section; 122-end beam; 20-a soil guard plate; 21-a plug-in part; 22-an abutment; 30-filling the space; 1000-roadbed structure; 200-reinforced soil roadbed; 210-reinforced earth units; 211-ribbed net; 212-a carrier; 213-a bending part; 214-a filler layer; a-the front-back direction; b-left and right direction; and C-vertical direction.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.

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

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 embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.