CN217758401U

CN217758401U - Novel structure of invertible inverted siphon culvert

Info

Publication number: CN217758401U
Application number: CN202220885747.XU
Authority: CN
Inventors: 黄森华; 何海
Original assignee: Guangdong communication Planning and Design Institute Group Co Ltd
Current assignee: Guangdong communication Planning and Design Institute Group Co Ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-11-08
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses a can examine novel structure of repairable inverted siphon culvert, including culvert and shaft, the shaft is located the culvert both ends, the culvert includes interior culvert and outer culvert, interior culvert is used for crossing water, outer culvert cover is established interior culvert is outside to be made outer culvert with the maintenance passageway has between the interior culvert, the shaft includes by the maintenance shaft that separates and crosses the water shaft, maintenance shaft lower extreme is provided with the intercommunication maintenance hole of maintenance passageway, interior culvert and both ends the shaft intercommunication is crossed to water, one end cross the water shaft intercommunication the inlet channel, the other end cross the water shaft intercommunication go out the water shaft. The utility model discloses inspection, maintenance and maintenance in inverted siphon culvert hole of being convenient for avoid inverted siphon culvert hole sealed behind the inefficacy risk that the infiltration leads to.

Description

Novel structure of invertible inverted siphon culvert

Technical Field

The utility model particularly relates to a novel structure of repairable inverted siphon culvert hole can be examined.

Background

When the highway and the local water system are crossed, the condition that the section condition of the route is limited may occur, for example, the elevation of the left and right water systems of the highway is flush with the designed elevation of the highway, even the elevation of the water system is greater than the designed elevation of the highway, under the condition, in order to ensure the communication of the left and right water systems of the highway, the inverted siphon culvert needs to be additionally arranged under the pavement of the highway.

The existing inverted siphon culvert is shown in figure 1, an inner culvert 1 is arranged below a highway road surface, vertical shafts are communicated with two sides of the inner culvert 1, a water inlet channel 3 and a water outlet channel 4 are communicated, and a road surface structure layer is filled on the top surface of the inner culvert 1. When the sealing performance of the inverted siphon culvert fails, water can seep outwards through the gaps to soak the highway subgrade or even the pavement 2, so that great disease risk is brought.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but examine novel structure of repairable inverted siphon culvert hole, inspection, maintenance and the maintenance in inverted siphon culvert hole of being convenient for avoid inverted siphon culvert hole to seal the risk that the infiltration leads to after becoming invalid.

The utility model provides a can examine novel structure of repairable inverted siphon culvert, includes culvert and shaft, the shaft is located the culvert both ends, through the shaft with culvert intercommunication inlet channel and exhalant canal, the culvert includes interior culvert and outer culvert, interior culvert is used for crossing water, outer culvert cover is established interior culvert outside makes outer culvert with overhaul the passageway has between the interior culvert, the shaft includes the maintenance shaft that is separated and crosses the water shaft, overhaul shaft lower extreme is provided with the intercommunication overhaul channel's access hole, interior culvert and both ends the water shaft intercommunication is crossed to water shaft intercommunication, one end cross the water shaft intercommunication the inlet channel, the other end cross the water shaft intercommunication the exhalant canal.

The utility model discloses a hole is contained to inverted siphon, personnel's accessible overhaul the shaft and enter into the access passage, overhauls and maintains the interior culvert hole that is used for crossing the water, even the seepage appears in interior culvert, can seep water earlier to the access passage, can not influence road bed or road surface, avoids the risk that the seepage causes.

The utility model discloses still have following preferred design:

the maintenance shaft is provided with the crawling ladder, and the personnel of being convenient for get into the maintenance shaft.

The utility model discloses a be provided with the culvert base on the bottom plate of outer culvert, interior culvert sets up on the culvert base.

Interior culvert is the pipe culvert, is formed by connecting the multisection pipe, and the seam adopts epoxy mortar to seal between the adjacent pipe to it is sealed to set up the cast-in-place lantern ring along the outside of seam, with the possibility that reduces the culvert seepage.

The utility model discloses an outer culvert sets up outer culvert subsiding crack every 4 ~ 6m to the uneven settlement phenomenon of correspondence earth's surface.

The utility model discloses a water inlet channel sets up a plurality of desilting ponds, sets up the ease sill at every desilting pond's rear along the direction of intaking. The sediment tank is arranged on the water inlet channel, so that sediment and sediment of a local water system are further filtered, and siltation inside the culvert is reduced as much as possible; the arrangement of the force eliminating ridge can consume the kinetic energy of water flow on the water inlet channel, and the inlet is prevented from being washed by excessive water flow.

The utility model discloses a water inlet channel and/or water outlet channel with cross and set up between the water shaft and cross the water grid. The risk that people fall into the hole is avoided as much as possible, and the safety is further ensured.

The utility model discloses a below of outer culvert sets up the gravel bed course to protect outer culvert.

The inside of crossing the water shaft is provided with the stiffening rib, and the shaft is whole can be made by reinforced concrete.

The utility model discloses following beneficial effect has:

1. the utility model discloses a structure of inverted siphon culvert is under the prerequisite of the intercommunication of guaranteeing the highway left and right side river system, through setting up maintenance shaft, the access way that supplies personnel to pass in and out, realizes inspection, maintenance and the maintenance to the culvert. When the inner culvert leaks, water can be firstly leaked to the maintenance channel between the inner culvert and the outer culvert, so that a roadbed or a road surface can not be influenced, and the risk caused by leakage is avoided.

2. The utility model discloses an outer culvert is the main part protection architecture of whole inverted siphon culvert, sets up in the outside, and interior culvert is the structure that inserts the drainage of river system, guarantees the leakproofness that connects between the tube section, leaves sufficient space formation access way between inside and outside culvert. The realization of the drainage function of the inverted siphon culvert can be better guaranteed, the roadbed and the pavement structure of the expressway are further protected, the safety of the engineering is improved, and the quality of the engineering is guaranteed.

3. The utility model discloses an inlet channel is provided with desilting pond and stilling bank to set up and cross the water grid, can alleviate the jam that silt, debris arouse.

Drawings

FIG. 1 is an elevation view of a prior art inverted siphon culvert;

FIG. 2 is a vertical view of a inverted siphon culvert convenient for maintenance;

FIG. 3 is a plan view of a inverted siphon culvert convenient for maintenance;

FIG. 4 isbase:Sub>A cross-sectional view A-A of FIG. 2;

FIG. 5 is a cross-sectional view B-B of FIG. 2;

FIG. 6 is a cross-sectional view C-C of FIG. 2;

FIG. 7 is a schematic view of the connection of the circular tubes of the inner culvert of the present invention;

FIG. 8 is a cross-sectional view taken along line D-D of FIG. 7;

fig. 9 is a plan view of the water grid of the present invention.

Description of the reference numerals: 1-inner culvert, 11-round pipe, 12-cast-in-place lantern ring, 13-joint, 2-ground, 3-water inlet channel, 31-sand settling tank, 32-absorption ridge, 4-water outlet channel and 5-outer culvert; 6-vertical shaft; 61-overhauling the vertical shaft; 611, a manhole; 612-climbing ladder; 613-filling soil; 614-hard surface layer, 62-water passing vertical shaft, 621-reinforcing rib, 7-inner culvert base, 8-gravel cushion layer, 9-outer culvert settlement joint and 10-water passing grating.

Detailed Description

The technical solutions of the present invention are described in detail below with reference to the accompanying drawings and examples, so that those skilled in the art can better understand and implement the technical solutions of the present invention.

As shown in fig. 2 to 6, a novel structure of a checkable and repairable inverted siphon culvert comprises culverts and vertical shafts 6, wherein the vertical shafts 6 are positioned at two ends of the culvert, the culvert comprises an inner culvert 1 and an outer culvert 5, the inner culvert 1 is used for water passing, as shown in fig. 4, the outer culvert 5 is sleeved outside the inner culvert 1 to enable a maintenance channel to be arranged between the outer culvert 5 and the inner culvert 1, the vertical shafts 6 comprise a maintenance vertical shaft 61 and a water passing vertical shaft 62 which are separated, the lower end of the maintenance vertical shaft 61 is provided with a maintenance hole 611 communicated with the maintenance channel, the inner culvert 1 is communicated with the water passing vertical shafts 62 at two ends, the water passing vertical shaft 62 at one end is communicated with a water inlet channel 3, the water passing vertical shaft 62 at the other end is communicated with a water outlet channel 4, and water flows at the left side and the right side of a road surface 2 can be communicated with the water flows through the vertical shafts 6 and the culverts.

As a preferred embodiment:

as shown in fig. 5, the service shaft 61 is provided with a ladder stand 612 to facilitate personnel to enter the service shaft, and the bottom of the service shaft 61 is provided with a filling soil 613, the surface of the filling soil 613 is provided with a hard surface layer 614, and the hard surface layer 614 can be a paved cement road.

The bottom plate of the outer culvert 5 is provided with an inner culvert base 7, the inner culvert base 7 can be of a reinforced concrete pouring structure, and the inner culvert 1 is arranged on the inner culvert base 7.

As shown in fig. 7 and 8, the culvert 1 is a round pipe culvert and is formed by connecting a plurality of sections of round pipes 11, the joints 13 between the adjacent round pipes 11 are sealed by epoxy mortar, and cast-in-place lantern rings 12 are arranged along the outer sides of the joints 13 for sealing, the cast-in-place lantern rings 12 are of a reinforced concrete waterproof structure so as to reduce the possibility of seepage of the culvert, wherein the round pipes 11 are preferably made of cast concrete with inner and outer layers of spiral steel bars so as to improve the mechanical strength of the structure.

In the embodiment, in order to deal with the uneven settlement phenomenon of the ground surface, the outer culvert 5 is provided with outer culvert settlement joints 9 every 4-6 m, the outer culvert settlement joints 9 penetrate through the foundation, and a waterproof structure is arranged at the outer culvert settlement joints 9.

The water inlet channel 3 of the present embodiment is provided with a plurality of sand settling ponds 31, and a reaction sill 32 is provided behind each sand settling pond 31 along the water inlet direction.

As shown in fig. 9, a water passing grating 10 is arranged between the water inlet channel 3 and/or the water outlet channel 4 and the water passing shaft 62. The water grid 10 is typically made of cast iron.

A gravel bed 8 is provided below the culvert 5 of this embodiment to protect the culvert.

In this embodiment, the shaft 6 is entirely made of reinforced concrete, and reinforcing ribs 621 are provided inside the water passing shaft 62.

The above-mentioned embodiment is only the preferred embodiment of the present invention, but can not be regarded as the restriction to the utility model, any change and improvement based on the inventive concept should fall into the protection scope of the present invention, and the specific protection scope is based on the claims.

Claims

1. The utility model provides a can examine novel structure of repairable inverted siphon culvert, includes culvert and shaft, the shaft is located the culvert both ends, through the shaft with culvert intercommunication inlet channel and outlet channel, its characterized in that: the culvert comprises an inner culvert and an outer culvert, the inner culvert is used for water passing, the outer culvert is sleeved outside the inner culvert and is provided with an overhaul channel between the outer culvert and the inner culvert, the vertical shaft comprises an overhaul vertical shaft and a water passing vertical shaft which are separated, the lower end of the overhaul vertical shaft is provided with an overhaul hole communicated with the overhaul channel, the inner culvert is communicated with the water passing vertical shaft at two ends, the water passing vertical shaft at one end is communicated with the water inlet channel, and the water passing vertical shaft at the other end is communicated with the water outlet channel.

2. The novel structure of the repairable inverted siphon culvert of claim 1, wherein: a crawling ladder is arranged inside the overhaul vertical shaft.

3. The novel structure of the repairable inverted siphon culvert of claim 2, wherein: the bottom plate of the outer culvert is provided with an inner culvert base, and the inner culvert is arranged on the inner culvert base.

4. The novel structure of the repairable inverted siphon culvert of claim 3, wherein: the inner culvert is a circular pipe culvert and is formed by connecting a plurality of sections of circular pipes, joints between the adjacent circular pipes are sealed by adopting epoxy mortar, and cast-in-place lantern rings are arranged along the outer sides of the joints for sealing.

5. The novel structure of the repairable inverted siphon culvert of claim 4, wherein: and the outer culvert settlement joints are arranged every 4-6 m.

6. The novel structure of the repairable inverted siphon culvert of claim 5, wherein: the water inlet channel is provided with a plurality of sand settling tanks, and a stilling sill is arranged behind each sand settling tank along the water inlet direction.

7. The novel structure of the repairable inverted siphon culvert of claim 6, wherein: a water passing grid is arranged between the water inlet channel and/or the water outlet channel and the water passing vertical shaft.

8. The novel structure of the repairable inverted siphon culvert of claim 7, wherein: and a gravel cushion layer is arranged below the outer culvert.

9. The novel structure of the repairable inverted siphon culvert of claim 8, wherein: reinforcing ribs are arranged inside the water passing vertical shaft.