CN213839806U

CN213839806U - Underground direct buried pipe reinforcing structure

Info

Publication number: CN213839806U
Application number: CN202022455259.9U
Authority: CN
Inventors: 张学明; 董晓梅; 马彦杰; 张朋; 杨蓉
Original assignee: China Third Metallurgical Group Co Ltd
Current assignee: China Third Metallurgical Group Co Ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-07-30
Anticipated expiration: 2030-10-29

Abstract

The utility model provides a direct buried pipe reinforced structure of below ground, is including hanging muscle, location muscle, backfill soil layer, solid fixed ring, the intermediate part that hangs the muscle is U type structure, gu fixed ring fixes in the both sides of hanging the muscle, the location muscle is pegged graft in the fixed ring, the lower part of location muscle and the lower part of hanging the muscle are in the backfill soil layer, and the pipe installation is in the U type structure of hanging the muscle, location muscle bottom inserts the pipeline and is fallen skin backfill soil and not less than 400mm, the upper end of hanging the muscle exposes the backfill soil layer and is not higher than terrace concrete layer. Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, convenient to use, the cost is practiced thrift to the reinforcing bar head that cuts in the make full use of major structure work progress, guarantees the construction quality of pipeline, and reducible lime marking off process improves the efficiency of construction simultaneously.

Description

Underground direct buried pipe reinforcing structure

Technical Field

The utility model relates to a construction field especially relates to a direct buried pipe reinforced structure of below ground.

Background

In the construction of building engineering, pipelines (such as water supply and drainage pipelines, electric pipelines and the like) of some buildings without basements need to be laid below one floor of the ground, the conventional method is to backfill soil to the height mark of the bottom surface of the pipeline for pipeline connection, backfill the soil on the upper part of the pipeline, directly pour a floor of the ground concrete after compaction, and have no connection between the pipeline and the floor, and the method has two defects that firstly, the pipeline is not fixedly connected with the soil in the backfilling process, and the pipeline can be deviated left and right in the backfilling process; secondly, the backfill soil at the later stage sinks because of the quality problem of the backfill soil or insufficient backfill soil compaction degree in the pipeline laying process, laid pipelines can also sink, the gradient of some drainage pipelines cannot meet the requirement, and the pipelines can be damaged seriously to cause leakage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a below ground directly buries pipe-reinforced structure for laying of one deck ground lower part pipeline, the effectual above-mentioned two kinds of technical defect of having solved makes the pipeline position that the underground is hidden accurate reliable.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a direct buried pipe reinforced structure of below ground, is including hanging muscle, location muscle, backfill soil layer, solid fixed ring, the intermediate part that hangs the muscle is U type structure, gu fixed ring fixes in the both sides of hanging the muscle, the location muscle is pegged graft in the fixed ring, the lower part of location muscle and the lower part of hanging the muscle are in the backfill soil layer, and the pipe installation is in the U type structure of hanging the muscle, location muscle bottom inserts the pipeline and is fallen skin backfill soil and not less than 400mm, the upper end of hanging the muscle exposes the backfill soil layer and is not higher than terrace concrete layer.

The middle part of the hanging rib is of a U-shaped structure, and the upper end of the U-shaped structure is bent towards two sides and then bent downwards.

And the part of the hanging rib buried in the backfill soil layer is coated with an anti-rust paint layer, and the bottom and two sides of the U-shaped structure of the hanging rib are wound with glass wool.

The thickness of the glass wool is 40-50 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses simple structure, convenient to use, the cost is practiced thrift to the reinforcing bar head that cuts in the make full use of major structure work progress, guarantees the construction quality of pipeline, and reducible lime marking off process improves the efficiency of construction simultaneously.

Drawings

Fig. 1 is a schematic view of the pipeline laying system.

Fig. 2 is a schematic cross-sectional view of the pipeline installation of the present invention.

In the figure: 1-glass wool, 2-hanging ribs, 3-positioning ribs, 4-fixing rings, 5-pipelines, 6-terrace concrete layers, 7-backfill soil layers and 8-pipeline joints.

Detailed Description

The present invention will be described in detail below, but the scope of the present invention is not limited to the following embodiments.

As shown in fig. 1-2, a method for reinforcing a directly buried pipe under the ground comprises the following steps:

1) backfilling the backfilled soil to the lower skin elevation of the pipeline 5 to be paved;

2) manufacturing a hanging rib 2: the middle part of the hanging rib 2 is of a U-shaped structure, the upper end of the U-shaped structure is bent towards two sides firstly and then bent downwards, and fixing rings 4 are welded on two sides of the U-shaped structure of the hanging rib 2;

3) inserting the positioning ribs 3 into the fixing rings 4 of the lifting ribs 2, measuring and paying off, fixing the lifting ribs 2 on the backfill soil through the positioning ribs 3 according to a fixed interval on a pipeline laying route, wherein the lower ends of the positioning ribs 3 are required to penetrate into the lower skin of the pipeline 5 to be backfill soil not less than 400mm, and the pipeline 5, the positioning ribs 3 and the lifting ribs 2 are ensured not to shift in the backfill soil construction process;

the front side and the rear side of the pipeline interface 8 are respectively provided with 1 set of positioning rib 3 and hanging rib 2, and the distance from the interface is not more than 100 mm; a set of positioning ribs 3 and hanging ribs 2 are arranged at the corners of the vertical elbow, and the distance between the positioning ribs and the hanging ribs is not more than 100 mm; two directions of the horizontal elbow are respectively provided with a set of positioning rib and a set of hanging rib, and the distance between the positioning rib and the hanging rib is not more than 100 mm.

4) Laying a pipeline 5, placing the pipeline 5 in the lifting rib 2, and connecting the pipeline 5 (the pipeline with a gradient requirement adjusts the lifting rib and the elevation of the pipeline according to the gradient requirement to meet the gradient requirement);

5) carrying out layered backfilling on two sides and the upper part of the pipeline 5;

6) the positioning ribs 3 are drawn out, and the holes of the positioning ribs 3 are subjected to sand filling treatment;

7) the bending part of the upper end of the hanging rib 2 is exposed out of the backfill soil layer 7, the upper end position of the hanging rib 2 and the shape of the bending part are adjusted, the horizontal part of the bending part of the hanging rib 2 is kept flat and straight, the downward bending part is kept vertical, pouring, vibrating and maintaining of the terrace concrete layer 6 are carried out, the hanging rib 2 is prevented from being collided in the vibrating process, and the bending part of the upper end of the hanging rib 2 is fixed in the terrace concrete layer 6.

And step 1) carrying out layered backfilling and tamping, wherein the compaction coefficient is not less than 0.94, and the backfilling thickness of each layer is not more than 300 mm. The backfill soil is one of lime soil, graded sandstone and cohesive soil with good compactibility, and is backfilled to the lower skin of the pipeline to be laid layer by layer.

And 5) backfilling each layer in the step 5) to a thickness not more than 300mm, tamping each layer, and enabling a compaction coefficient not less than 0.94. The backfill soil is one of lime soil, graded sandstone and cohesive soil with good compactibility.

And 6) sand filling is carried out on the positioning rib holes by adopting medium sand, wherein the particle size of the medium sand is 2.3-3 mm.

The utility model provides a straight buried pipe reinforced structure in below ground, is including hanging muscle 2, location muscle 3, backfill soil layer 7, solid fixed ring 4, the intermediate part that hangs muscle 2 is U type structure, gu fixed ring 4 fixes in the both sides of hanging muscle 2, location muscle 3 is pegged graft in solid fixed ring 4, the lower part of location muscle 3 and the lower part of hanging muscle 2 are in backfill soil layer 7, and pipeline 5 installs in the U type structure of hanging muscle 2, the 3 bottom of location muscle inserts pipeline 5 under the skin backfill soil is not less than 400mm, the upper end of hanging muscle 2 exposes backfill soil layer 7 and is not higher than terrace concrete layer 6.

The middle part of the hanging rib 2 is of a U-shaped structure, and the upper end of the U-shaped structure is bent towards two sides firstly and then bent downwards.

The hanging ribs 2 are welded or integrally bent by adopting reinforcing bar heads with the diameter of more than 10mm, the parts of the hanging ribs 2 buried in the backfill soil layer 5 are coated with an anti-rust paint layer, and the bottom and two sides of the U-shaped structure of the hanging ribs 2 are wound with glass wool 1.

The thickness d of the glass wool 1 is 40-50mm, and the pipeline 5 is prevented from being in hard contact with the hanging ribs 2.

The height of the hanging bar 2 is determined according to the requirements of the pipeline gradient and the like, the width of the U-shaped structure is D +2D +20mm, and D is the diameter of the pipeline 5.

The position of the fixing ring 4 is respectively set at 1/3 and 2/3, the height of the hanging bar 2 is fixed on the backfill soil by the fixing ring 4, the positioning bar 3 fixes the hanging bar 2 on the backfill soil, the pipeline 5 to be laid is placed in the hanging bar 2, and the pipeline 5 is hung on the floor concrete layer 6 by the hanging bar 2, so that the pipeline 5 is ensured not to be settled.

The end parts of the hanging ribs 2 anchored in the floor concrete layer 6 are bent into two hooks with 90 degrees, and the length of the straight section is not less than the thickness of the floor concrete layer 6 of 1/2.

The positioning ribs 3 are reinforcing steel bars with the diameter of phi more than 10mm, the upper ends of the positioning ribs are welded into a T shape, the positioning ribs 3 can be conveniently drawn out before concrete pouring after earthwork backfilling, the lower ends of the positioning ribs 3 are required to penetrate into the lower skin of the pipeline 5 to be backfilled with soil not less than 400mm, and the pipeline 5, the positioning ribs 3 and the hanging ribs 2 are ensured not to be displaced in the construction process of the backfilling soil layer 7.

Claims

1. The utility model provides a direct buried pipe reinforced structure of below ground, its characterized in that, is including hanging muscle, location muscle, backfill soil layer, solid fixed ring, the intermediate part that hangs the muscle is U type structure, gu fixed ring fixes in the both sides of hanging the muscle, the location muscle is pegged graft in the fixed ring, the lower part of location muscle and the lower part of hanging the muscle are in the backfill soil layer, and the pipe installation is in the U type structure of hanging the muscle, location muscle bottom inserts the pipeline under the skin backfill soil is not less than 400mm, the upper end of hanging the muscle exposes the backfill soil layer and is not higher than terrace concrete layer.

2. The underground straight buried pipe reinforcing structure of claim 1, wherein the middle part of the hanging bar is of a U-shaped structure, and the upper end of the U-shaped structure is bent to two sides and then bent downwards.

3. The underground straight embedded pipe reinforcing structure of claim 1, wherein the part of the hanging bar embedded in the backfill soil layer is coated with an anti-rust paint layer, and the bottom and two sides of the U-shaped hanging bar structure are wound with glass wool.

4. The underground straight buried pipe reinforcing structure according to claim 3, wherein the glass wool has a thickness of 40-50 mm.