阅读说明：本技术 一种管线悬吊保护方法及其悬吊结构 (Pipeline suspension protection method and suspension structure thereof ) 是由 石雷 张付林 刘建军 吴耀阳 黄涛 叶咪咪 韩三琪 唐姝 殷茜东 于 2019-09-26 设计创作，主要内容包括：本发明公开了一种管线悬吊保护方法及其悬吊结构,包括以下步骤：对施工区域的管线情况进行了现场勘查；确定出管线的保护原则和悬吊保护方案；围护结构施工和圈梁支撑施工；架设工字钢,作为横梁；在工字钢下方两端焊接φ32圆钢吊杆,构建“井”字形的托架；托架与横梁、φ32圆钢吊杆进行焊接固定；加密焊接安装φ32圆钢吊杆和托架,基坑开挖；本发明不受管线标高限制,适应性高,能够全面对管线悬吊保护过程中可能出现的问题进行预先了解,能提高管线悬吊保护质量和安全性,通过“井”字形放的托架,能够稳定对管线进行保护,且保护稳定性和强度高,安全性保证高,悬吊保护结构简单、施工步骤易操作。(The invention discloses a pipeline suspension protection method and a suspension structure thereof, comprising the following steps: carrying out on-site investigation on the pipeline condition of a construction area; determining the protection principle and suspension protection scheme of the pipeline; constructing an enclosure structure and a ring beam support; erecting I-shaped steel as a cross beam; welding phi 32 round steel suspenders at two ends below the I-shaped steel to construct a bracket shaped like a Chinese character jing; the bracket is welded and fixed with the cross beam and the phi 32 round steel suspender; installing a phi 32 round steel suspender and a bracket by means of encrypted welding, and excavating a foundation pit; the invention is not limited by the elevation of the pipeline, has high adaptability, can know the problems possibly occurring in the process of pipeline suspension protection in advance, can improve the quality and safety of pipeline suspension protection, can stably protect the pipeline through the brackets arranged in the shape of the Chinese character jing, and has the advantages of high protection stability and strength, high safety guarantee, simple suspension protection structure and easy operation of construction steps.)

1. A method of suspension protection of a pipeline, comprising the steps of:

the method comprises the following steps: performing on-site investigation on the pipeline condition of a construction area by combining a construction design drawing provided by a construction unit, and determining the type and the size of a pipeline box culvert;

step two: determining a protection principle and a suspension protection scheme of the pipeline according to the field investigation result in the step one;

step three: carrying out building envelope construction on a construction area, wherein the building envelope construction comprises column construction, then carrying out ring beam support construction, and embedding a steel plate on a ring beam;

step four: erecting I-shaped steel, crossing concrete supports on two sides of the pipeline after double splicing of the I-shaped steel, and arranging the I-shaped steel as cross beams at intervals of 1.0 m;

step five: carrying out manual cutting excavation at the pipeline position in a construction area at an interval of 1 meter, welding phi 32 round steel suspenders at two ends below the I-shaped steel, longitudinally arranging I16 section steel after double splicing at the bottom of the box culvert along the box culvert direction, and arranging 16a channel steel at intervals of every 50.0cm in the transverse direction to form a 'well' -shaped bracket;

step six: welding and fixing the bracket, the cross beam and the phi 32 round steel suspender to form an encircling structure to wrap the box culvert;

step seven: and (3) excavating all soil around the box culvert to 50.0cm below the bottom surface of the box culvert, then carrying out encrypted welding and installation of the phi 32 round steel hanger rods and the brackets, and finally carrying out foundation pit excavation.

2. A method of pipeline suspension protection as claimed in claim 1, wherein: the site survey in the first step comprises the following specific contents: and (4) looking up along the pipeline route, knowing the actual burial depth of the pipeline, knowing the original pipeline protection condition and knowing the obstacles around the pipeline.

3. A method of pipeline suspension protection as claimed in claim 1, wherein: when the protection principle of the pipeline is determined in the second step, all pipelines related to construction and within the influence range of the foundation pit excavation need to be investigated before construction, the data information of the type, specification, material, position and pipeline trend of the pipeline is found out, and then according to the found data information, specific design schemes and protection measures are made for the pipeline which does not need to be removed and changed in the foundation pit excavation process aiming at different control requirements of various pipelines.

4. A method of pipeline suspension protection as claimed in claim 1, wherein: and in the fourth step, the length of the I-steel is 4.0m, and the I-steel is I40a I-steel.

5. A method of pipeline suspension protection as claimed in claim 1, wherein: in the sixth step, in the process of welding and fixing the bracket, the cross beam and the phi 32 round steel suspender, a settlement observation point needs to be arranged on the box culvert, the deformation condition of the protected object can be known in time by using the settlement change of the observation point, and reinforcement and corresponding treatment measures can be taken in time for the deformation.

6. A method of pipeline suspension protection as claimed in claim 1, wherein: and in the sixth step, after the bracket is welded and fixed with the cross beam and the phi 32 round steel suspender, each node part of the whole suspension structure needs to be observed by inspection every day, whether the welding seam of each node part is broken or not is observed, and the damaged position is subjected to repair welding reinforcement treatment in time.

7. A method of pipeline suspension protection as claimed in claim 1, wherein: and in the sixth step, the distance between the surrounding structures is 1.0 m.

8. A pipeline suspension structure characterized by: including I-steel (1), phi 32 round steel jib (2) and bracket, I-steel (1) symmetry sets up and span and lie in the concrete support top behind the pipeline both sides concrete support, I-steel (1) below both ends are equipped with phi 32 round steel jib (2), phi 32 round steel jib (2) below is equipped with the bracket, the bracket includes I16 shaped steel (3) and 16a channel-section steel (4), I16 shaped steel (3) vertical symmetry is equipped with two sets ofly, two sets of transversely be equipped with 16a channel-section steel (4) between I16 shaped steel (2), 16a channel-section steel (4) equidistance is equipped with the multiunit, I16 shaped steel (3) and 16a channel-section steel (4) form the bracket of "well" style of calligraphy.

Technical Field

The invention relates to the technical field of suspension structures, in particular to a pipeline suspension protection method and a suspension structure thereof.

Background

Underground structure construction such as subway shelters, entrances and exits inevitably brings great influence to original various pipelines, brings inconvenience to original planning and pipeline layout in construction, and the problems of pipeline moving and changing and how to protect the existing pipelines become one of the difficult problems in subway construction;

the invention provides a suspension protection structure and a suspension protection method for a pipeline, which can meet the structural stress stability requirement of the pipeline, can be operated simply and conveniently, and have important significance for not hindering the construction of the next stage.

Disclosure of Invention

Aiming at the problems, the invention provides a pipeline suspension protection method and a suspension structure thereof, which are not limited by the elevation of a pipeline, have high adaptability, can totally know the problems possibly occurring in the pipeline suspension protection process in advance by carrying out site investigation before construction and determining the protection principle and the suspension protection scheme of the pipeline according to the site investigation result, can improve the suspension protection quality and the safety of the pipeline, can stably protect the pipeline by a bracket placed in a shape like a Chinese character 'jing', have high protection stability and strength, high safety guarantee, simple suspension protection structure and easy operation of construction steps.

The invention provides a pipeline suspension protection method, which comprises the following steps:

the method comprises the following steps: performing on-site investigation on the pipeline condition of a construction area by combining a construction design drawing provided by a construction unit, and determining the type and the size of a pipeline box culvert;

step two: determining a protection principle and a suspension protection scheme of the pipeline according to the field investigation result in the step one;

step three: carrying out building envelope construction on a construction area, wherein the building envelope construction comprises column construction, then carrying out ring beam support construction, and embedding a steel plate on a ring beam;

step four: erecting I-shaped steel, crossing concrete supports on two sides of the pipeline after double splicing of the I-shaped steel, and arranging the I-shaped steel as cross beams at intervals of 1.0 m;

step five: carrying out manual cutting excavation at the pipeline position in a construction area at an interval of 1 meter, welding phi 32 round steel suspenders at two ends below the I-shaped steel, longitudinally arranging I16 section steel after double splicing at the bottom of the box culvert along the box culvert direction, and arranging 16a channel steel at intervals of every 50.0cm in the transverse direction to form a 'well' -shaped bracket;

step six: welding and fixing the bracket, the cross beam and the phi 32 round steel suspender to form an encircling structure to wrap the box culvert;

step seven: and (3) excavating all soil around the box culvert to 50.0cm below the bottom surface of the box culvert, then carrying out encrypted welding and installation of the phi 32 round steel hanger rods and the brackets, and finally carrying out foundation pit excavation.

The further improvement lies in that: the site survey in the first step comprises the following specific contents: and (4) looking up along the pipeline route, knowing the actual burial depth of the pipeline, knowing the original pipeline protection condition and knowing the obstacles around the pipeline.

The further improvement lies in that: when the protection principle of the pipeline is determined in the second step, all pipelines related to construction and within the influence range of the foundation pit excavation need to be investigated before construction, the data information of the type, specification, material, position and pipeline trend of the pipeline is found out, and then according to the found data information, specific design schemes and protection measures are made for the pipeline which does not need to be removed and changed in the foundation pit excavation process aiming at different control requirements of various pipelines.

The further improvement lies in that: and in the fourth step, the length of the I-steel is 4.0m, and the I-steel is I40a I-steel.

The further improvement lies in that: in the sixth step, in the process of welding and fixing the bracket, the cross beam and the phi 32 round steel suspender, a settlement observation point needs to be arranged on the box culvert, the deformation condition of the protected object can be known in time by using the settlement change of the observation point, and reinforcement and corresponding treatment measures can be taken in time for the deformation.

The further improvement lies in that: and in the sixth step, after the bracket is welded and fixed with the cross beam and the phi 32 round steel suspender, each node part of the whole suspension structure needs to be observed by inspection every day, whether the welding seam of each node part is broken or not is observed, and the damaged position is subjected to repair welding reinforcement treatment in time.

The further improvement lies in that: and in the sixth step, the distance between the surrounding structures is 1.0 m.

The utility model provides a pipeline suspension structure, includes I-steel, phi 32 round steel jib and bracket, the I-steel symmetry sets up and lies in the concrete support top after striding pipeline both sides concrete support, I-steel below both ends are equipped with phi 32 round steel jib, phi 32 round steel jib below is equipped with the bracket, the bracket includes I16 shaped steel and 16a channel-section steel, the vertical symmetry of I16 shaped steel is equipped with two sets ofly, two sets of transversely be equipped with 16a channel-section steel between the I16 shaped steel, 16a channel-section steel equidistance is equipped with the multiunit, I16 shaped steel and 16a channel-section steel form the bracket of "well" style of calligraphy.

The invention has the beneficial effects that: the method is not limited by the elevation of the pipeline, the adaptability is high, the suspension protection structure can meet the requirement of in-situ suspension protection, the influence on other existing structures is small, the problems possibly occurring in the suspension protection process of the pipeline can be known in advance completely by carrying out on-site investigation before construction and determining the protection principle and the suspension protection scheme of the pipeline according to the on-site investigation result, the suspension protection quality and the safety of the pipeline can be improved, the pipeline can be stably protected through the brackets placed in a shape like a Chinese character 'jing', the protection stability and the strength are high, the safety is high, the suspension protection structure is simple, the construction steps are easy to operate, and the construction does not hinder the operation of the next stage.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a top view of the bracket structure of the present invention.

Wherein: 1. i-shaped steel; 2. a phi 32 round steel suspender; 3. i16 type steel; 4. 16a channel steel.

Detailed Description

In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

According to fig. 1 and 2, the present embodiment provides a method for protecting a pipeline suspension, comprising the following steps:

the method comprises the following steps: the construction design drawing that combines the construction unit to provide has carried out on-the-spot investigation to the pipeline condition in construction area, and specific content is: the method comprises the following steps of (1) opening a well along a pipeline route for checking, knowing the actual buried depth of a pipeline, knowing the original pipeline protection condition and knowing obstacles around the pipeline, and determining the type and size of a pipeline box culvert;

step two: according to the field investigation result in the step one, determining a protection principle and a suspension protection scheme of the pipeline, when the protection principle of the pipeline is determined, surveying all pipelines related to construction and in the influence range of foundation pit excavation before construction, finding out the type, specification, material, position and pipeline trend data information of the pipeline, and making specific design schemes and protection measures for the pipeline which does not need to be removed and changed in the process of foundation pit excavation according to different control requirements of various pipelines according to the found data information;

step three: carrying out building envelope construction on a construction area, wherein the building envelope construction comprises column construction, then carrying out ring beam support construction, and embedding a steel plate on a ring beam;

step four: erecting I-beams 1, crossing concrete supports on two sides of a pipeline after double splicing of the I-beams 1, using the I-beams as cross beams, arranging one at every 1.0m, wherein the length of the I-beam 1 is 4.0m, and the I-beam 1 is I40a I-beam 1;

step five: carrying out manual cut excavation at the pipeline position within the construction area at an interval of 1 meter, welding phi 32 round steel suspenders 2 at two ends below an I-shaped steel 1, longitudinally arranging I16 section steel 3 after double splicing at the bottom of a box culvert along the direction of the box culvert, and then transversely arranging 16a channel steel 4 at equal intervals of every 50.0cm to form a 'well' -shaped bracket;

step six: welding and fixing the bracket, the cross beam and the phi 32 round steel suspender 2 to form an encircling structure to wrap the box culvert, wherein the distance between the encircling structures is 1.0m, and in the process of welding and fixing the bracket, the cross beam and the phi 32 round steel suspender 2, a settlement observation point needs to be arranged on the box culvert, the deformation condition of a protected object can be known in time by using the settlement change of the observation point, and reinforcement and corresponding treatment measures can be taken in time for the deformation; after the bracket is welded and fixed with the cross beam and the phi 32 round steel suspender 2, each node part of the whole suspension structure needs to be observed by inspection every day, whether the welding seam of each node part is broken or not is observed, and the damaged position is subjected to repair welding reinforcement treatment in time;

step seven: and (3) excavating all soil around the box culvert to 50.0cm below the bottom surface of the box culvert, then carrying out encrypted welding and installation of the phi 32 round steel hanger rods 2 and the bracket, and finally carrying out foundation pit excavation.

The utility model provides a pipeline suspension structure, includes I-steel 1, phi 32 round steel jib 2 and bracket, 1 symmetry of I-steel sets up and lies in the concrete support top after crossing pipeline both sides concrete support, 1 below both ends of I-steel are equipped with phi 32 round steel jib 2, 2 below of phi 32 round steel jib are equipped with the bracket, the bracket includes I16 shaped steel 3 and 16a channel-section steel 4, the vertical symmetry of I16 shaped steel 3 is equipped with two sets ofly, two sets of transversely be equipped with 16a channel-section steel 4 between I16 shaped steel 2, 16a channel-section steel 4 equidistance is equipped with the multiunit, I16 shaped steel 3 and 16a channel-section steel 4 form the bracket of "well" style of calligraphy.

The method is not limited by the elevation of the pipeline, the adaptability is high, the suspension protection structure can meet the requirement of in-situ suspension protection, the influence on other existing structures is small, the problems possibly occurring in the suspension protection process of the pipeline can be known in advance completely by carrying out on-site investigation before construction and determining the protection principle and the suspension protection scheme of the pipeline according to the on-site investigation result, the suspension protection quality and the safety of the pipeline can be improved, the pipeline can be stably protected through the brackets placed in a shape like a Chinese character 'jing', the protection stability and the strength are high, the safety is high, the suspension protection structure is simple, the construction steps are easy to operate, and the construction does not hinder the operation of the next stage.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.