CN217027371U

CN217027371U - Double-deck ditch structure of road bed section

Info

Publication number: CN217027371U
Application number: CN202220856807.5U
Authority: CN
Inventors: 张锐; 李智; 夏新乐; 张程; 韩世友; 张光明; 何伟; 彭德磊; 李茂莉; 王栋
Original assignee: China Construction Fifth Engineering Bureau Co Ltd; China Construction Tunnel Construction Co Ltd
Current assignee: China Construction Fifth Engineering Bureau Co Ltd; China Construction Tunnel Construction Co Ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-07-22
Anticipated expiration: 2032-04-14

Abstract

The utility model belongs to the technical field of drainage structures, and particularly discloses a roadbed section double-layer ditch structure which comprises an upper-layer ditch, a gravel inverted filter layer and a lower-layer ditch which are sequentially arranged from top to bottom, wherein the lower-layer ditch comprises an upper-layer structure and a lower-layer structure, and the top of the lower-layer structure is fixed with the bottom of the lower-layer structure and is used for supporting the upper-layer structure; a through hole is formed between the upper layer structure and the lower layer structure, and a drain pipe is arranged in the through hole; the upper layer structure adopts a semicircular structure with a downward opening, a plurality of drain holes are formed in the upper layer structure along the length direction of the upper layer structure, and the length direction of the drain holes is consistent with the radius direction of the semicircular structure; the drain hole is used for guiding the accumulated water at the bottom of the roadbed. Through the double-deck ditch structure that sets up upper ditch and lower floor's ditch, realize quick drainage, improved drainage efficiency to guarantee the operation safety of road bed, reduce disease and operation maintenance cost during the road bed operation.

Description

Double-deck ditch structure of road bed section

Technical Field

The utility model belongs to the technical field of drainage structures, and particularly relates to a roadbed section double-layer ditch structure.

Background

The earth surface of modern cities is gradually covered by reinforced concrete houses and dense and waterproof pavement, so that the ground runoff is rapidly increased when rainstorm occurs, a peak value appears quickly, and the burden of a city drainage system is increased. In addition, in regions with much rainfall, if the drainage system cannot drain water in time, the damage and the operation and maintenance cost during the operation of the roadbed can be increased, and the operation safety of the roadbed is seriously influenced.

At present it is the both sides of road bed usually for setting up the drainage ditch of individual layer, only can satisfy the displacement when rainfall is less, if appear exposing, individual layer drainage ditch can not satisfy the drainage demand when rainfall is more to lead to ponding, the operation safety of serious influence road bed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a roadbed section double-layer ditch structure to solve the problem that the roadbed operation safety is seriously influenced by water accumulation due to the fact that a single-layer drainage ditch is adopted for drainage and cannot meet the drainage requirement of large rainfall.

In order to achieve the purpose, the technical scheme of the utility model is as follows: a roadbed section double-layer ditch structure comprises an upper layer ditch, a gravel reverse-filtering layer and a lower layer ditch which are sequentially arranged from top to bottom, wherein the lower layer ditch comprises an upper layer structure and a lower layer structure, and the top of the lower layer structure is fixed with the bottom of the lower layer structure and is used for supporting the upper layer structure; a through hole is formed between the upper layer structure and the lower layer structure, and a drain pipe is arranged in the through hole; the upper layer structure adopts a semicircular structure with a downward opening, a plurality of drain holes are formed in the upper layer structure along the length direction of the upper layer structure, and the length direction of the drain holes is consistent with the radius direction of the semicircular structure; the drain hole is used for guiding the accumulated water at the bottom of the roadbed.

Furthermore, a plurality of the drain holes are arranged in a quincunx shape.

Furthermore, a plurality of the drainage holes are arranged in a quincunx shape with the spacing of 8cm by 8 cm.

Further, the upper ditch is a cast-in-place concrete ditch.

Further, the upper-layer structure and the lower-layer structure are of prefabricated concrete structures; the drain pipe is a precast concrete pipe.

Further, the lower layer structure adopts a rectangular structure; the top of the lower layer structure is provided with a lower semicircular groove, and the bottom of the upper layer structure is provided with an upper semicircular groove; the upper semicircular groove and the lower semicircular groove are combined to form the through hole.

Further, the upper layer structure is wrapped with geotextile.

Further, waterproof coatings are arranged on the outer portion of the lower layer structure and the inner portion of the lower semicircular groove.

The beneficial effects of this technical scheme lie in: according to the scheme, the double-layer ditch structure with the upper-layer ditch and the lower-layer ditch is arranged, so that quick drainage is realized, and the drainage efficiency is improved, so that the operation safety of the roadbed is ensured, and the diseases and the operation and maintenance cost during the operation of the roadbed are reduced. Secondly, the upper layer structure and the lower layer structure are of a precast concrete structure, the drain pipe is of a precast concrete pipe, and the precast concrete pipe is adopted, so that the construction efficiency can be improved. And the lower layer structure adopts a rectangular structure, so that the stability of the whole structure can be ensured.

Drawings

FIG. 1 is a transverse cross-sectional view of a roadbed section double-layer ditch structure according to the present invention;

FIG. 2 is a longitudinal sectional view of a roadbed section double-layer ditch structure according to the present invention;

FIG. 3 is a schematic view of the structure of the lower ditch.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: an upper-layer ditch 1, a gravel reversed filter layer 2, a lower-layer ditch 3, an upper-layer structure 4, a lower-layer structure 5, a drain pipe 6, a drain hole 7, a through hole 8 and a waterproof coating 9.

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

The examples are substantially as shown in figures 1 to 3: the utility model provides a double-deck ditch structure of road bed section, includes from last upper ditch 1, rubble inverted filter 2 and the ditch 3 of lower floor that sets gradually extremely down, as shown in fig. 3, the ditch 3 of lower floor includes superstructure 4 and substructure 5, and the top of substructure 5 is fixed with substructure 5's bottom for support superstructure 4. The lower layer structure 5 adopts a rectangular structure, so that a stable supporting foundation is ensured; the top of the lower layer structure 5 is provided with a lower semicircular groove, and the outside of the lower layer structure 5 and the inside of the lower semicircular groove are provided with a waterproof coating 9. The bottom of the upper layer structure 4 is provided with an upper semicircular groove; the upper semicircular groove and the lower semicircular groove are combined to form a through hole 8, a drain pipe 6 is arranged in the through hole 8, and the drain pipe 6 is a precast concrete pipe. Superstructure 4 adopts the semicircle structure that the opening down, and superstructure 4's outside parcel has geotechnological cloth. The upper layer structure 4 is provided with a plurality of drain holes 7 along the length direction, and the drain holes 7 are arranged in a quincunx shape with the interval of 8cm by 8 cm; the length direction of the drain hole 7 is consistent with the radius direction of the semicircular structure; the drain hole 7 is used for guiding water accumulated at the bottom of the roadbed. The upper layer ditch 1 is a cast-in-place concrete ditch, and the upper layer structure 4 and the lower layer structure 5 adopt a precast concrete structure.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing are merely exemplary embodiments of the present invention, and no single details of the structure, or characteristics thereof, known to the skilled person is hereby incorporated by reference, and it should be appreciated that these statements are made only by those skilled in the art, which read this disclosure as including the general knowledge of the art as presently claimed in the claims and their equivalents, and that these statements are to be read in this light of the teaching of the present application and the equivalents thereof. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a double-deck ditch structure of road bed section which characterized in that: the device comprises an upper-layer ditch (1), a gravel reverse-filtration layer (2) and a lower-layer ditch (3) which are sequentially arranged from top to bottom, wherein the lower-layer ditch (3) comprises an upper-layer structure (4) and a lower-layer structure (5), and the top of the lower-layer structure (5) is fixed with the bottom of the lower-layer structure (5) and is used for supporting the upper-layer structure (4); a through hole (8) is formed between the upper layer structure (4) and the lower layer structure (5), and a drain pipe (6) is arranged in the through hole (8); the upper layer structure (4) is of a semicircular structure with a downward opening, a plurality of drain holes (7) are formed in the upper layer structure (4) along the length direction of the upper layer structure, and the length direction of the drain holes (7) is consistent with the radius direction of the semicircular structure; the drain hole (7) is used for guiding accumulated water at the bottom of the roadbed.

2. The roadbed section double-layer ditch structure of claim 1, wherein: the plurality of the drain holes (7) are arranged in a quincuncial shape.

3. The subgrade-section double-layer ditch structure according to claim 2, characterized in that: the plurality of drainage holes (7) are arranged in a quincunx shape with the spacing of 8cm by 8 cm.

4. The subgrade-section double-layer ditch structure according to claim 1, characterized in that: the upper layer ditch (1) is a cast-in-place concrete ditch.

5. The subgrade-section double-layer ditch structure according to claim 1, characterized in that: the upper layer structure (4) and the lower layer structure (5) adopt a precast concrete structure; the drain pipe (6) adopts a precast concrete pipe.

6. The subgrade-section double-layer ditch structure according to claim 1, characterized in that: the lower layer structure (5) adopts a rectangular structure; the top of the lower layer structure (5) is provided with a lower semicircular groove, and the bottom of the upper layer structure (4) is provided with an upper semicircular groove; the upper semicircular groove and the lower semicircular groove are combined to form the through hole (8).

7. The roadbed section double-layer ditch structure of claim 1, wherein: and the upper layer structure (4) is wrapped with geotextile.

8. The subgrade-section double-layer ditch structure according to claim 6, characterized in that: and waterproof coatings (9) are arranged on the outer part of the lower layer structure (5) and the inner part of the lower semicircular groove.