CN215715517U

CN215715517U - Underground pipe gallery waterproof construction

Info

Publication number: CN215715517U
Application number: CN202120754592.1U
Authority: CN
Inventors: 战福军
Original assignee: Nanjing Lianzhong Engineering Technology Co ltd
Current assignee: Nanjing Lianzhong Engineering Technology Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2022-02-01
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses a waterproof structure of an underground pipe gallery, wherein the waterproof structure comprises a waterproof gasket, a bolt, a waterproof filling layer and a waterproof membrane. Waterproof gasket sets up between two board-like flanges of bight junction, and two board-like flanges and waterproof gasket of bight junction are worn to locate by the bolt, and the head is box pipe culvert dorsad, and the nut is towards box pipe culvert. The waterproof filling layer is filled in an acute angle space formed between the plate type flange of the box type pipe culvert and the corresponding top plate or side plate and does not pass through the nut of the bolt. The two ends of the waterproof membrane are respectively connected to the junction of the waterproof filling layer and the corresponding top plate or side plate and the outer surface of the plate type flange corresponding to the bolt head of the bolt, and the waterproof filling layer covering the bolt head of the bolt and the outer surfaces of the two plate type flanges are tightly attached. According to above-mentioned technical scheme's waterproof construction, waterproof filling layer and waterproof membrane can form the peripheral hardware waterproof layer, further improve the waterproof performance of pipe culvert.

Description

Underground pipe gallery waterproof construction

Technical Field

The utility model relates to the field of box-shaped culverts, in particular to a waterproof structure of an underground pipe gallery.

Background

The corrugated steel plates of the box-type pipe culvert are usually connected by plate-type flanges, and waterproof rubber cushion blocks or gaskets are arranged between the plate-type flanges. But when the pipe gallery is deeply buried and the underground water level is high, the liquid leakage and seepage phenomena still occur.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to provide a waterproof structure for an underground pipe gallery, which can further reduce the condition of liquid leakage and seepage of the pipe culvert.

The technical scheme is as follows: the utility model relates to a waterproof structure of an underground pipe gallery, which is used for a corner connecting part of a box-type pipe culvert, and comprises: the waterproof gasket is arranged between the two plate type flanges at the corner connecting part; the bolts penetrate through the two plate type flanges and the waterproof gasket at the corner connecting part, the heads of the bolts are opposite to the box-shaped pipe culvert, and the nuts of the bolts face the box-shaped pipe culvert; the waterproof filling layer is filled in an acute angle space formed between the plate type flange of the box-type pipe culvert and the corresponding top plate or side plate, and the waterproof filling layer is submerged in the nut of the bolt; the two ends of the waterproof membrane are respectively connected to the junction of the waterproof filling layer and the corresponding top plate or side plate and the outer surface of the plate type flange corresponding to the bolt head of the bolt, the waterproof membrane covers the bolt head of the bolt, and the waterproof membrane is tightly attached to the corresponding waterproof filling layer and the outer surfaces of the two plate type flanges.

Furthermore, sealant is coated at the joint between the plate type flange and the corresponding top plate and side plate.

Further, the waterproof filling layer is a concrete layer.

Further, the waterproof membrane is rubber cloth or a plastic membrane.

Furthermore, the waterproof membrane is tightly attached to the corresponding waterproof filling layer and the outer surfaces of the two plate type flanges through adhesives.

Further, the waterproof gasket is a rubber block.

Furthermore, the surface of the waterproof filling layer is flush with the end part of the corresponding plate type flange, and the surface of the waterproof filling layer and the surface of the corresponding top plate or side plate form an obtuse included angle.

Has the advantages that: compared with the prior art, the utility model has the following advantages:

1. the waterproof film and the waterproof filling layer form a peripheral waterproof layer at the joint of the pipe gallery, so that the waterproof effect is enhanced.

2. The complex structure and shape of the corner and the sealing can be realized.

3. The vacuum pumping can make the waterproof membrane tightly attached to the complex structure and use the adhesive to bond to prevent the water from flowing in the gap.

4. If water and air leakage exist, the water and air leakage can be immediately found during vacuumizing, the sealing effect can be checked, and if water and air leakage exist, the water and air leakage can be immediately resealed.

Drawings

FIG. 1 is a schematic view of the connection between the top plate and the side plate of the box-type pipe culvert;

FIG. 2 is a schematic view of the connection between the side plate and the bottom plate of the box-type pipe culvert;

FIG. 3 is a schematic view of a waterproof structure of an underground pipe gallery in accordance with an embodiment of the present invention;

fig. 4 is a schematic view of a bonding process of the waterproof film according to the embodiment of the present invention.

Detailed Description

The technical scheme of the utility model is further explained by combining the attached drawings.

Referring to fig. 1 and 2, the underground pipe gallery waterproof structure according to the embodiment of the present invention is used at a corner connection of a box-type pipe culvert as shown in the drawings, the corner connection of the box-type pipe culvert is connected by a plate flange 100 having a corrugation and a bolt 300, wherein the plate flanges 100 at both ends of a top plate are connected with the top plate by welding, and an acute angle is formed between the plate flanges 100 at both ends of the top plate and the top plate. The plate type flange 100 at the upper end of the side plate and the side plate are integrated, the plate type flange 100 at the bottom of the side plate and the side plate are welded at an acute angle, and the plate type flange 100 at the two ends of the bottom plate and the bottom plate are integrally formed.

Referring to fig. 3, the underground pipe culvert waterproof structure according to the embodiment of the present invention includes a waterproof gasket 200, a bolt 300, a waterproof filling layer 400, and a waterproof membrane 500. Wherein waterproof gasket 200 sets up between two plate flange 100 of bight junction, and bolt 300 link up two plate flange 100 and waterproof gasket 200, and the bolt head of bolt 300 is dorsad box pipe culvert, and the nut of bolt 300 is towards box pipe culvert. The waterproof packing layer 400 is filled in an acute angle region formed between the panel flange 100 and the top panel or the side panel, and the waterproof packing layer 400 is submerged in the nuts of the bolts 300. The two ends of the waterproof membrane 500 are respectively connected to the joints of the waterproof filling layer 400 and the corresponding top plate and bottom plate, and the outer surface of the plate flange 100 facing away from the waterproof filling layer 400, the waterproof membrane 500 covers the bolt head of the bolt 300, and the waterproof membrane 500 is tightly attached to the corresponding waterproof filling layer 400 and the outer surfaces of the two plate flanges 100. It is understood that the waterproof filling layer 400 may be formed by curing a material having waterproof property, such as resin, rubber or concrete, the waterproof film 500 may be a film or a plate made of a waterproof material having better flexibility and certain ductility, such as rubber cloth or a plastic film, and the waterproof gasket 200 may be a waterproof material such as a rubber pad or a rubber block.

According to above-mentioned technical scheme's waterproof structure of underground pipe culvert, the gap between bolt 300 and the box pipe culvert is covered by waterproof filling layer 400 and waterproof membrane 500 respectively, further improvement the waterproof performance of pipe culvert, prevent that the infiltration phenomenon of leaking from taking place. The external waterproof layer formed by the waterproof filling layer 400 and the waterproof membrane 500 improves the overall tightness of the pipe culvert, and the waterproof filling layer 400 formed by curing the fluid waterproof material and the waterproof membrane 500 with flexibility and certain ductility can be well adapted to the plate flange 100, particularly the complex structure of the corrugated plate flange 100, so that the gaps at the corner joints can be better sealed. When water leakage and liquid leakage occur, the waterproof membrane 500 generates bubbles, so that the liquid leakage position can be conveniently found out for replacement or repair.

Referring to fig. 3, in the present embodiment, the waterproof filling layer 400 is formed by curing concrete, the surface of the waterproof filling layer 400 is flush with the end of the corresponding panel flange 100, and the surface of the waterproof filling layer 400 forms an obtuse included angle with the outer surface of the corresponding top panel or side panel. In this embodiment, in order to further improve the sealing property of the waterproof film 500, the waterproof film 500 is precisely bonded to the surfaces of the waterproof packing layer 400 and the two panel flanges 100 with an adhesive.

Referring to fig. 4, the underground pipe gallery waterproof structure according to the embodiment of the present invention is implemented by the following method:

placing the waterproof gasket 200 between the two corresponding plate-type flanges 100, and passing the bolts 300 through the two plate-type flanges 100 and the waterproof gasket 200 and fastening the bolts by nuts;

coating sealant on the joints between the plate type flanges 100 and the corresponding side plates and the top plate;

filling waterproof filling materials in acute-angle spaces formed between the plate type flange 100 and the corresponding top plate and side plate, wherein the waterproof filling materials need to be flush with the end part of the plate type flange 100 and to be submerged in nuts corresponding to the bolts 300;

curing the waterproof filling material into a waterproof filling layer 400;

brushing adhesives on the outer surfaces of the waterproof filling layer 400 and the corresponding plate type flange 100, and respectively bonding two ends of the waterproof membrane 500 at the junction of the waterproof filling layer 400 and the top plate or the side plate and the outer surface of the plate type flange 100 with the bolt head;

penetrating the waterproof membrane 500 through the thin steel pipe 600 and penetrating into the waterproof membrane 500 and the waterproof filling layer 400 or the plate type flanges 100, and connecting the thin steel pipe 600 with a vacuumizing machine to enable the waterproof membrane 500 to be tightly attached to the waterproof filling layer 400 and the outer surfaces of the two plate type flanges 100;

the thin steel pipe 600 is drawn out and the hole left by the thin steel pipe 600 is immediately closed using a waterproof material.

According to the construction method of the underground pipe gallery waterproof structure, whether the waterproof membrane 500 has the water leakage problem or not can be found in time in the vacuumizing process, and if the waterproof membrane 500 has the water leakage problem, the waterproof membrane can be replaced in time. And the waterproof film 500 is tightly attached to the waterproof filling layer 400 and the two plate-type flanges 100 in a vacuumizing mode, so that water is prevented from flowing inside, and the corner connecting structure is suitable for a complex corner connecting structure.

Claims

1. The utility model provides a waterproof structure of underground pipe gallery for the bight junction of box pipe culvert, its characterized in that includes:

a waterproof gasket (200) arranged between the two plate type flanges (100) at the corner connection part;

the bolts (300) penetrate through the two plate type flanges (100) and the waterproof gasket (200) at the corner connecting part, the heads of the bolts (300) face away from the box-shaped pipe culvert, and nuts of the bolts (300) face towards the box-shaped pipe culvert;

the waterproof filling layer (400) is filled in an acute angle space formed between the plate type flange (100) of the box type pipe culvert and the corresponding top plate or side plate, and the waterproof filling layer (400) is submerged in the nut of the bolt (300);

waterproof membrane (500), both ends are connected respectively on waterproof filling layer (400) and the juncture that corresponds roof or curb plate and the surface of the board flange (100) that corresponds the bolt head department of bolt (300), waterproof membrane (500) cover the bolt head of bolt (300), waterproof membrane (500) closely laminates with the surface of waterproof filling layer (400) and two board flange (100) that correspond.

2. The underground piping lane waterproofing structure according to claim 1, wherein a sealant is applied to the joints between the panel flanges (100) and the corresponding top and side panels.

3. The underground piping lane waterproofing structure according to claim 1, wherein the waterproof filling layer (400) is a concrete layer.

4. The underground piping lane waterproofing structure according to claim 1, wherein the waterproofing membrane (500) is a rubber cloth or a plastic film.

5. The underground piping lane waterproof structure of claim 1, wherein the waterproof film (500) is closely attached to the outer surfaces of the corresponding waterproof packing layer (400) and the two panel flanges (100) by an adhesive.

6. The underground piping lane waterproofing structure according to claim 1, wherein the waterproofing gasket (200) is a rubber block.

7. The underground piping lane waterproof structure of claim 1, wherein the surface of the waterproof filler layer (400) is flush with the end of the corresponding plate flange (100), and the surface of the waterproof filler layer (400) forms an obtuse included angle with the surface of the corresponding top plate or side plate.