CN112049227A

CN112049227A - Practice thrift drainage structures in trackbound district of wastewater disposal basin

Info

Publication number: CN112049227A
Application number: CN202010962344.6A
Authority: CN
Inventors: 李少友; 刘生平; 雷振宇; 郭洋洋; 刘堂辉; 祝朋玮; 蒲东均; 张冀; 杨海洋; 杜志涛
Original assignee: Guangzhou Metro Design and Research Institute Co Ltd
Current assignee: Guangzhou Metro Design and Research Institute Co Ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2020-12-08

Abstract

The invention provides a rail-mounted region drainage structure of an economical wastewater pool, wherein the lowest point of a V-slope line is A, the transverse corresponding point of the lowest point of the V-slope line on a single-slope line is B, first longitudinal drainage ditches are arranged on two sides of the V-slope line in the length direction, second longitudinal drainage ditches are arranged on two sides of the single-slope line in the length direction, water in the single-slope line is drained through the second longitudinal drainage ditches, the first longitudinal drainage ditches at the A positions are communicated with the second longitudinal drainage ditches at the B positions through inter-line transverse drainage ditches, and the water in the V-slope line is drained after sequentially passing through the first longitudinal drainage ditches, the A positions, the inter-line transverse drainage ditches, the B positions and the second longitudinal drainage ditches. A wastewater pond and a water suction pump are not arranged at the lowest point (A) of the V-slope line, so that the occupied use area is reduced, and the construction cost is saved.

Description

Practice thrift drainage structures in trackbound district of wastewater disposal basin

Technical Field

The invention relates to tunnel engineering, in particular to a rail-mounted area drainage structure of a waste water saving pool.

Background

With the development of national economy, the urbanization process of China is accelerated continuously, and urban rail transit becomes an important infrastructure. Underground water in subway engineering is abundant, in order to ensure that no accumulated water exists in a rail traveling region, a wastewater pond needs to be arranged at the lowest point of a line, accumulated water is discharged to the wastewater pond through a drainage ditch, and wastewater in the wastewater pond is pumped away by a water pump. The arrangement of the wastewater pool and the water pump occupies the use area and increases the manufacturing cost.

Therefore, in order to reduce the occupied use area and the construction cost, a rail-mounted area drainage structure for saving the wastewater pond is needed.

Disclosure of Invention

The invention aims to provide a rail-mounted area drainage structure of a waste water saving pool, which saves the arrangement of the waste water saving pool in the rail-mounted area, reduces the occupation of the use area and reduces the construction cost.

In order to achieve the above purpose, the invention provides the following technical scheme:

the utility model provides a practice thrift drainage structures in orbit district of wastewater disposal basin, the orbit is distinguished including two track lines, one of them is V slope circuit, another for the monoslope circuit that has the minimum, the minimum point department of V slope circuit is A department on the monoslope circuit with the horizontal corresponding point department of the minimum of V slope circuit is B department the length direction's of V slope circuit both sides all are provided with first longitudinal drainage ditch, the length direction's of monoslope circuit both sides all are provided with second longitudinal drainage ditch, the water in the monoslope circuit by second longitudinal drainage ditch discharges the first longitudinal drainage ditch of A department with the second longitudinal drainage ditch in B department is by the horizontal drainage ditch intercommunication between the circuit, the water in the V slope circuit passes through in proper order first longitudinal drainage ditch, A department the horizontal drainage ditch between the circuit, And discharging the part B after the second longitudinal drainage ditch.

Further, in the above-described track section drainage structure of an economical wastewater pond, the elevation at the a is higher than or equal to the elevation at the B.

Further, in the above drainage structure for the trackway area of the wastewater-saving pond, a first water collection pit is arranged at the position a and on one side close to the single slope line, and a second water collection pit is arranged at the position B and on one side close to the V slope line.

Further, in the above-mentioned rail-mounted section drainage structure of an economical wastewater tank, the first sump and the second sump are communicated by the inter-line lateral drainage ditch, and preferably, a plurality of inter-line lateral drainage ditches are provided; preferably, the inter-line lateral drains have a slope of not less than 0.2%.

Furthermore, in the above-mentioned trackway area drainage structure of the wastewater-saving pool, a subway structure is arranged between the V-slope line and the single slope line, a structural opening is reserved in the subway structure, and the inter-line lateral drainage ditch penetrates through the structural opening.

Further, in the above drainage structure for a rail-mounted area of a wastewater-saving pond, the length direction of the first water collection pit coincides with the length direction of the first longitudinal drainage ditch, the width of the first water collection pit is not less than 300mm, and the bottom end of the first water collection pit is located 500 mm-700 mm below the rail surface of the V-slope line; the length direction of the second water collecting pit is overlapped with the length direction of the second longitudinal drainage ditch, the width of the second water collecting pit is not less than 300mm, and the bottom end of the second water collecting pit is located 500 mm-700 mm below the rail surface of the single-slope line.

Furthermore, in the rail-mounted area drainage structure of the wastewater-saving pool, a plurality of first sleepers are laid on the V-slope line, two first longitudinal drainage ditches are communicated with each other through a first bed transverse drainage ditch, and the first bed transverse drainage ditch is arranged between two adjacent first sleepers; the single slope line is paved with a plurality of second sleepers, two the second longitudinal drainage ditches are communicated with each other through a second track bed lateral drainage ditch, and the second track bed lateral drainage ditches are arranged between two adjacent second sleepers.

Further, in the above-mentioned drainage structure of the rail-mounted area of the wastewater-saving pond, the width of the first longitudinal drainage ditch is not less than 200mm, and the slope is not less than 0.2%; the width of the second longitudinal drainage ditch is not less than 200mm, and the gradient of the second longitudinal drainage ditch is not less than 0.2%; the width of the first bed transverse drainage ditch is not less than 200mm, and the gradient is not less than 0.2%; the width of the second track bed lateral drainage ditch is not less than 200mm, and the gradient is not less than 0.2%.

Further, in the above-mentioned drainage structure of the trackway area of the wastewater-saving pond, a grid or a steel cover plate is arranged above both the first sump pit and the second sump pit.

Further, in the rail-mounted area drainage structure of the wastewater-saving pond, an iron grate is arranged at a position where the first water collecting pit is connected with the first longitudinal drainage ditch; an iron grate is arranged at the position where the first water collecting pit is connected with the inter-circuit transverse drainage ditch; the iron grate is arranged at the position where the second water collecting pit is connected with the second longitudinal drainage ditch; and the iron grate is arranged at the position where the second water collecting pit is connected with the second track bed transverse drainage ditch.

The invention discloses a rail-mounted area drainage structure of a wastewater-saving pool, which comprises two rail lines, wherein one rail line is a V-slope line with the lowest point, and the other rail line is a single-slope line. And an inter-line transverse drainage ditch is arranged to drain accumulated water from the lowest point (A) of the V-slope line to the single-slope line (B), and the accumulated water is drained away through a second longitudinal drainage ditch of the single-slope line. A wastewater pond and a water suction pump are not arranged at the lowest point (A) of the V-slope line, so that the occupied use area is reduced, and the construction cost is saved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. Wherein:

fig. 1 is a schematic structural diagram according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view taken at C-C in fig. 1.

Description of reference numerals: 1, a subway structure; 21 a first sump; 22 a second sump; 3, a transverse drainage ditch among the lines; 41 a first bed lateral drainage ditch; 42 a second bed lateral drain; 51 a first longitudinal drain; 52 a second longitudinal drain; 6, iron grates; 7, opening the structure; 8 plain concrete; 9 steel rails; 10 a first tie; 11 a second sleeper; a 12V slope line; 13 single slope line;

the direction indicated by the arrow is the direction of the wastewater flow.

Detailed Description

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the invention, and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit thereof. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.

In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.

One or more examples of the invention are illustrated in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or similar designations in the drawings and description have been used to refer to like or similar parts of the invention. As used herein, the terms "first" and "second," are used interchangeably to distinguish one component from another and are not intended to denote the position or importance of the individual components.

As shown in fig. 1 to 2, according to an embodiment of the present invention, there is provided a track section drainage structure of an economical wastewater pond, in which two track lines are included, one of which is a V-slope line 12 having a lowest point and the other is a single slope line 13. The elevation (elevation refers to the distance from a certain point to an absolute base plane along the direction of a plumb line, and is called absolute elevation, or elevation for short) at the two ends of the V-slope line 12 is higher than that at the middle part of the V-slope line 12, and the elevation at one end of the single-slope line 13 is higher than that at the other end of the single-slope line 13. The lowest point of the V-slope line 12 is a point A, the transverse corresponding point of the lowest point of the V-slope line 12 on the single slope line 13 is a point B, first longitudinal drainage ditches 51 are arranged on both sides of the V-slope line 12 in the length direction, second longitudinal drainage ditches 52 are arranged on both sides of the single slope line 13 in the length direction, water in the single slope line 13 is drained through the second longitudinal drainage ditches 52, the first longitudinal drainage ditches 51 on the point A are communicated with the second longitudinal drainage ditches 52 on the point B through the inter-line transverse drainage ditches 3, and water in the V-slope line 12 sequentially passes through the first longitudinal drainage ditches 51, the point A, the inter-line transverse drainage ditches 3, the point B and the second longitudinal drainage ditches 52 and then is drained.

The inter-line lateral drainage ditch 3 is arranged to drain accumulated water from the lowest point (A) of the V-slope line 12 to the single-slope line 13 (B) and drain away the accumulated water through the second longitudinal drainage ditch 52 of the single-slope line 13. A wastewater pond and a water suction pump are not arranged at the lowest point (A) of the V-slope line 12, so that the construction cost is saved.

Further, in order to enable the wastewater of the first longitudinal drainage ditch 51 to be discharged through the second longitudinal drainage ditch 52, it is necessary that the elevation at A be higher than or equal to the elevation at B.

Further, a first sump 21 is provided at a side close to the single-slope line 13, and a second sump 22 is provided at B side close to the V-slope line 12. The first and second sumps 21 and 22 are used for settling impurities in the wastewater to prevent the impurities from silting up and affecting drainage.

The length direction of the first water collection pit 21 is coincided with the length direction of the first longitudinal drainage ditch 51, namely the first water collection pit 21 is arranged on the first longitudinal drainage ditch 51 at the position A and close to one side of the single slope line 13, the width of the first water collection pit 21 is not less than 300mm, and the bottom end of the first water collection pit 21 is positioned 500 mm-700 mm below the rail surface (the top surface of the steel rail 9) of the V slope line 12;

the length direction of the second water collection pit 22 coincides with the length direction of the second longitudinal drainage ditch 52, that is, the second water collection pit 22 is arranged on the second longitudinal drainage ditch 52 at the position B and close to one side of the V-slope line 12, the width of the second water collection pit 22 is not less than 300mm, and the bottom end of the second water collection pit 22 is positioned 500 mm-700 mm below the rail surface (the top surface of the steel rail 9) of the single-slope line 13.

Further, the first sump 21 and the second sump 22 are communicated by the inter-line lateral drainage ditch 3. Preferably, the inter-line lateral drains 3 are provided in plural numbers, and the number of the inter-line lateral drains 3 is determined according to the drainage requirement. Preferably, the inter-line lateral drains 3 have a gradient of not less than 0.2% for smooth drainage.

Further, a subway structure 1 is arranged between the V-slope line 12 and the single-slope line 13, structural openings 7 are reserved in the subway structure 1, and the inter-line transverse drainage ditch 3 penetrates through the structural openings 7. The number and size of the openings of the structural openings 7 need to meet the requirements for the arrangement of the inter-line lateral drainage ditch 3.

Further, a plurality of first sleepers 10 are paved on the V-slope line 12, two first longitudinal drainage ditches 51 are communicated through a first bed lateral drainage ditch 41, and the first bed lateral drainage ditch 41 is arranged between two adjacent first sleepers 10; the number of the first-bed lateral drains 41 is determined according to the drainage requirement.

A plurality of second sleepers 11 are paved on the single slope line 13, two second longitudinal drainage ditches 52 are communicated through a second track bed lateral drainage ditch 42, and the second track bed lateral drainage ditch 42 is arranged between two adjacent second sleepers 11. The number of the second-bed lateral drains 42 is determined according to the drainage requirement.

The wastewater in the first longitudinal drain 51 on the side of the V-slope line 12 remote from the single-slope line 13 flows at a through the first bed cross drain 41 into the first sump 21, and the wastewater in the first longitudinal drain 51 on the side of the V-slope line 12 near the single-slope line 13 flows directly into the first sump 21. The wastewater in the first sump 21 flows into the second sump 22 through the inter-line lateral 3. A portion of the wastewater from the higher-elevation end of the single-slope line 13 is directly drained through the second longitudinal drain 52 on the side away from the V-slope line 12, and another portion of the wastewater from the higher-elevation end of the single-slope line 13 flows into the second sump 22 through the second longitudinal drain 52 on the side close to the V-slope line 12. A portion of the waste water in the second sump 22 is drained through the second track bed cross drains 42 and the second longitudinal drain 52 on the side away from the V-slope line 12, and another portion of the waste water in the second sump 22 is drained directly through the second longitudinal drain 52 on the side away from the V-slope line 12.

Further, for smooth drainage, the first longitudinal drain 51, the second longitudinal drain 52, the first bed lateral drain 41 and the second bed lateral drain 42 should have a slope, the width of the first longitudinal drain 51 is not less than 200mm, the slope is not less than 0.2%, and the slope of the first longitudinal drain 51 may be the same as the slope of the V-slope line 12; the width of the second longitudinal drainage ditch 52 is not less than 200mm, the gradient is not less than 0.2%, and the gradient of the second longitudinal drainage ditch 52 can be the same as the gradient of the single-slope line 13; the width of the first bed transverse drainage ditch 41 is not less than 200mm, and the gradient is not less than 0.2%; the width of the second-bed lateral drainage ditch 42 is not less than 200mm, and the gradient is not less than 0.2%.

Further, a grating or a steel cover plate is arranged above the first sump 21 and the second sump 22. The grating or steel cover plate can prevent impurities from falling into the first sump 21 or the second sump 22 from above.

Further, an iron grate 6 is arranged at the position where the first water collecting pit 21 is connected with the first longitudinal drainage ditch 51, and the iron grate 6 is arranged at the position where the first water collecting pit 21 is connected with the inter-circuit transverse drainage ditch 3; the iron grates 6 are arranged at the positions where the second water collecting pit 22 is connected with the second longitudinal drainage ditch 52, and the iron grates 6 are arranged at the positions where the second water collecting pit 22 is connected with the second track bed lateral drainage ditch 42. The iron grate 6 can filter impurities in the wastewater, so that the impurities are precipitated in the first water collecting pit 21 or the second water collecting pit 22, the impurities in the first water collecting pit 21 or the second water collecting pit 22 are cleaned regularly, and the impurities can be prevented from accumulating and blocking the inter-line transverse drainage ditch 3 and the second longitudinal drainage ditch 52.

Example 1

In this example, the track running area includes two track lines, one is a V-slope line 12 with the lowest point, and the other is a single-slope line 13; and the elevation of the lowest point of the V-slope line 12 is higher than or equal to the elevation of the single-slope line 13 at the transverse corresponding point. The inter-line lateral drains 3 are provided to drain accumulated water from the lowest point (a point) of the V-slope line 12 to the single-slope line 13, and to drain away through the second longitudinal drains 52 of the single-slope line 13.

In the above embodiment, the first water collection pit 21 is provided in the first longitudinal drainage ditch 51, the second water collection pit 22 is provided in the second longitudinal drainage ditch 52, the width of the first water collection pit 21 is 300mm, the length thereof is 2000mm, and the depth thereof is 550mm, and the width of the second water collection pit 22 is 300mm, the length thereof is 2000mm, and the depth thereof is 550 mm.

And two inter-line transverse drainage ditches 3 are arranged, wherein the width of each inter-line transverse drainage ditch 3 is 300mm, the depth of each inter-line transverse drainage ditch is 530mm below a rail surface, and the drainage gradient is 0.48%.

In the above-described embodiment, two first-bed lateral drains 41 are provided between the two first longitudinal drains 51 at a, the first-bed lateral drains 41 having a width of 200mm, a depth of 500mm below the rail surface, and a drain slope of 0.2%.

Two second-bed lateral drains 42 are provided between the two second longitudinal drains 52 at B, the second-bed lateral drains 42 having a width of 200mm, a depth of 500mm below the rail surface, and a drain gradient of 0.2%.

In the above embodiment, the width of each of the first and

second gutters

51 and 52 is 200mm and the depth thereof is 430mm below the rail surface.

In the above embodiment, the two track line intermediate structures are provided with the structural openings 7, the number of the openings is 2, the width of the openings is 300mm, the top of each opening is flush with the rail surface of the steel rail 9, and the bottom of each opening is flush with the bottom of the sleeper.

In the above embodiment, plain concrete 8 is filled below the sleeper, and the plain concrete 8 is labeled C30 or more.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

a rail running area drainage structure of a waste water saving pool comprises two rail lines, wherein one rail running area is a V-slope line 12 with the lowest point, and the other rail running area is a single-slope line 13. The inter-line lateral drainage ditch 3 is arranged to drain accumulated water from the lowest point (A) of the V-slope line 12 to the single-slope line 13 (B) and drain away the accumulated water through the second longitudinal drainage ditch 52 of the single-slope line 13. A wastewater pond and a water suction pump can be arranged at the lowest point (A) of the V-slope line 12, so that the occupied use area is reduced, and the construction cost is saved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rail-mounted area drainage structure of a waste water saving pool, which is characterized in that,

the track running area comprises two track lines, one track line is a V-slope line with the lowest point, the other track line is a single-slope line, the lowest point of the V-slope line is A, the transverse corresponding point of the single-slope line and the lowest point of the V-slope line is B,

first longitudinal drainage ditches are arranged on both sides of the V-slope line in the length direction,

second longitudinal drainage ditches are arranged on both sides of the single slope line in the length direction,

the water in the single slope line is drained by the second longitudinal drain,

said first longitudinal drain at said A being in communication with said second longitudinal drain at said B by an inter-line lateral drain,

the water in the V slope line sequentially passes through the first longitudinal drainage ditch, the A part, the inter-line transverse drainage ditch, the B part and the second longitudinal drainage ditch and then is discharged.

2. The orbital zone drainage structure of an economical wastewater pond according to claim 1,

the elevation at A is higher than or equal to the elevation at B.

3. The orbital zone drainage structure of an economical wastewater pond according to claim 1,

a first water collecting pit is arranged at the position A and close to one side of the single slope line,

and a second water collecting pit is arranged at the position B and close to one side of the V slope line.

4. An orbital zone drainage structure of an economical wastewater pond according to claim 3,

the first sump and the second sump are in communication by the inter-circuit lateral drainage ditch,

preferably, a plurality of inter-line lateral drainage ditches are arranged;

preferably, the inter-line lateral drains have a slope of not less than 0.2%.

5. An orbital zone drainage structure of an economical wastewater pond according to claim 4,

the V slope circuit with the subway structure has between the single slope circuit, the subway structure reserves has the structure trompil, the cross drainage ditch between the circuit passes the structure trompil.

6. An orbital zone drainage structure of an economical wastewater pond according to claim 3,

the length direction of the first water collecting pit is overlapped with the length direction of the first longitudinal drainage ditch, the width of the first water collecting pit is not less than 300mm, and the bottom end of the first water collecting pit is located 500-700 mm below the rail surface of the V-slope line;

the length direction of the second water collecting pit is overlapped with the length direction of the second longitudinal drainage ditch, the width of the second water collecting pit is not less than 300mm, and the bottom end of the second water collecting pit is located 500 mm-700 mm below the rail surface of the single-slope line.

7. An orbital zone drainage structure of an economical wastewater pond according to claim 3,

a plurality of first sleepers are laid on the V-slope line,

the two first longitudinal drainage ditches are communicated by a first-bed transverse drainage ditch,

the first bed lateral drainage ditch is arranged between two adjacent first sleepers;

a plurality of second sleepers are paved on the single slope line,

the two second longitudinal drainage ditches are communicated by a second track bed transverse drainage ditch,

and the second track bed lateral drainage ditch is arranged between two adjacent second sleepers.

8. An orbital zone drainage structure of an economical wastewater pond according to claim 7,

the width of the first longitudinal drainage ditch is not less than 200mm, and the gradient of the first longitudinal drainage ditch is not less than 0.2%;

the width of the second longitudinal drainage ditch is not less than 200mm, and the gradient of the second longitudinal drainage ditch is not less than 0.2%;

the width of the first bed transverse drainage ditch is not less than 200mm, and the gradient is not less than 0.2%;

the width of the second track bed lateral drainage ditch is not less than 200mm, and the gradient is not less than 0.2%.

9. An orbital zone drainage structure of an economical wastewater pond according to claim 3,

and grids or steel cover plates are arranged above the first water collecting pit and the second water collecting pit.

10. An orbital zone drainage structure of an economical wastewater pond according to claim 7,

an iron grate is arranged at the position where the first water collecting pit is connected with the first longitudinal drainage ditch; an iron grate is arranged at the position where the first water collecting pit is connected with the inter-circuit transverse drainage ditch;

the iron grate is arranged at the position where the second water collecting pit is connected with the second longitudinal drainage ditch; and the iron grate is arranged at the position where the second water collecting pit is connected with the second track bed transverse drainage ditch.