CN102776950A - Construction method of concrete packing light pipeline - Google Patents
Construction method of concrete packing light pipeline Download PDFInfo
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- CN102776950A CN102776950A CN2012102900369A CN201210290036A CN102776950A CN 102776950 A CN102776950 A CN 102776950A CN 2012102900369 A CN2012102900369 A CN 2012102900369A CN 201210290036 A CN201210290036 A CN 201210290036A CN 102776950 A CN102776950 A CN 102776950A
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Abstract
The invention discloses a construction method of a concrete packing light pipeline. The construction method comprises the steps of: correspondingly embedding a plurality of L-shaped steel bars with a certain length at each of the two sides of the light pipeline mounting position, wherein the upper ends of the steel bars are exposed out of the surface of a concrete layer by a certain height; mounting a light pipeline between two rows of L-shaped steel bars; arranging packing strips on the light pipeline, wherein the two ends of the packing strips are respectively connected to the two L-shaped steel bars corresponding to the two sides of the light pipeline and the packing strips press on the outer surface of the light pipeline; and casting the concrete layers on the left and right side surfaces and the top of the light pipeline to form the structure of the concrete packing light pipeline meeting technical requirements. By adopting the construction method, the upward floatation of the light pipeline can be effectively prevented, the translocation of the light pipeline is prevented, construction quality reaches design requirement, and the quality problem formed by the upward floatation of the light pipeline is eradicated completely; and the construction method is simple and reliable, spot operation is convenient, and operators can easily master the construction method.
Description
Technical field
The present invention relates to a kind of job practices of building pipe network, specifically, relate in particular to the job practices that concrete in a kind of city planting ductwork construction is sealed the lightweight pipeline.
Background technology
In city planting ductwork construction, be usually directed to the laying of pipe network, installation etc., (particularly cross street pipe network install in) is like the installation of pipelines such as sewer stormwater, Sewage System; A lot of projects, especially under the trend of new technology innovation, pipe material is under the constant substantially situation of intensity; Material is more and more lighter; Require that in design all kinds of lightweight pipe networks are carried out concrete and seal, be about to the pipeline (PVC etc.) of lower plastic conduit, rubber tubing or other Composites of autologous density, in the concrete that is laid in; With concrete be wrapped in the lightweight pipeline around, form concrete and seal the lightweight pipeline configuration.Because sealing concrete need build at least in construction and could accomplish whole concrete operation more than twice; So the constructor often ignores or thinks little of this pouring construction link when building for the second time; Its result usually causes comparatively serious construction quality problem; Incur loss through delay the duration thereby need doing over again when serious reforms, this lets this road pouring construction operation become a kind of common quality defect; Tracing it to its cause, it is not littler before the initial set than concrete to be that the constructor has ignored pipeline (the lightweight pipeline that especially density is lower) material density; The lightweight pipeline produces this theoretical phenomenon of come-up in building the process of vibrating; Cause pipe shifted; Last construction quality is defective, and the easy means that the workman usually takes on pipeline, to place weight (like stone) on some job site prevents the pipeline come-up, and the result is own inconsiderate footing the bill; In most cases all can not solve this construction difficult problem, cannot say for sure to demonstrate,prove construction quality.
Summary of the invention
Seal in the job practices of lightweight pipeline in order to solve existing concrete, because of the lightweight pipeline produces displacement, needs off quality that come-up the exists deficiencies such as incuring loss through delay the duration of doing over again, the present invention provides a kind of concrete to seal the job practices of lightweight pipeline.
To achieve these goals, the present invention adopts following technical scheme: a kind of concrete is sealed the job practices of lightweight pipeline, it is characterized in that comprising the steps:
(1) when building the layer of concrete of lightweight duct bottom, L shaped steel muscle of corresponding pre-buried some certain-lengths all in the both sides of lightweight pipeline installation site, the surperficial certain altitude that layer of concrete is exposed in the upper end of this reinforcing bar exposes 100mm-200 mm; The lower end of this L shaped steel muscle is arranged in this layer of concrete, or is connected on the reinforcing bar of this layer of concrete;
(2) after the layer of concrete drying of treating the lightweight duct bottom reaches designing requirement,, the lightweight pipeline is installed between the two row L shaped steel muscle according to technological requirement.
(3) on the lightweight pipeline, be provided with and seal bar, these two ends of sealing bar are connected on two corresponding L shaped steel muscle of lightweight pipeline both sides, and this is sealed on the external surface that bar is pressed in the lightweight pipeline;
(4) according to designing requirement, on left and right two sides of lightweight pipeline and end face, build layer of concrete, the concrete that forms according with process requirements is sealed the structure of lightweight pipeline.
Further characteristic is, the described bar of sealing, and with the radial parallel of lightweight pipeline, its two ends are connected on the symmetrically arranged vertically two L shaped steel muscle in lightweight pipeline both sides, form an anchor ear radially and are pressed in its external surface.
The described bar of sealing, with the radial parallel of lightweight pipeline, its two ends are not connected on two L shaped steel muscle of lightweight pipeline both sides asymmetric setting vertically, form an oblique anchor ear and are pressed in its external surface.
On four adjacent L shaped steel muscle, two bars of sealing that are " X " type arranged crosswise are set.
The described bar of sealing, its two ends are connected with that section that two L shaped steel muscle of lightweight pipeline both sides expose layer of concrete through welding or colligation respectively; Perhaps, the top of exposing that section of layer of concrete at L shaped steel muscle is provided with a crotch, and the two ends of sealing bar are connected respectively or hang on this crotch.
The described bar of sealing is connected and composed by arc section and left and right two sections straight sections, and the two ends of arc section are connected with an end of left and right straight section respectively, and the other end of left and right straight section is connected with that section that two L shaped steel muscle expose layer of concrete respectively again; The radian of arc section equates with the radian of lightweight pipeline external surface.
Job practices of the present invention with respect to prior art, has following characteristics:
1, can effectively prevent the come-up of lightweight pipeline, prevent that its position from moving, guarantee that construction quality adheres to specification, stop the quality problems that the come-up because of the lightweight pipeline forms.
2, job practices is simple, reasonable, and on-the-spot is easy to operate, and the operator is easy to just can grasp.
Description of drawings
Fig. 1 is construction that concrete of the present invention is sealed the lightweight pipeline back cross-sectional view that finishes.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.
As shown in Figure 1; In the present embodiment; Concrete is sealed the job practices of lightweight pipeline, and it comprises the steps: 1, when building the layer of concrete of lightweight duct bottom, L shaped steel muscle of corresponding pre-buried certain-length all in the both sides of lightweight pipeline installation site; The surperficial certain altitude of layer of concrete is exposed in the upper end of this reinforcing bar, as exposes 100mm-200 mm; The lower end of this L shaped steel muscle is arranged in this layer of concrete, or is connected on the reinforcing bar of this layer of concrete, as passing through welding (spot welding) or little steel wire, pricking in the silk colligation; Perhaps, just collude on the reinforcing bar of this layer of concrete simply, guarantee that this L shaped steel muscle is not shifted when building, the upper end can be exposed certain altitude and got final product; Distance between two L shaped steel muscle of homonymy is generally chosen with the lightweight outer diameter tube consistently with well, promptly equates with the lightweight outer diameter tube; Choosing spacing in this example is 1.6 meters, and each 0.8 meter is pre-buried along pipeline center alignment both sides, the even layout that preferably equates at interval; The total length of this L shaped steel muscle, the length of its lower end horizontal segment, with and diameter etc., with reference to the height of the diameter of lightweight pipeline, lightweight duct bottom layer of concrete and satisfy the factor such as behavior in service of technological requirement and determine.
As, pre-buried L type Φ 20 secondary steel reinforcing bars during concrete at the bottom of building the lightweight pipeline, total length is 1 meter, horizontal section length 300mm, vertical section length 700 mm expose 150mm after the concreting of bottom, 1 meter one setting of spacing, and the L shaped steel muscle of both sides is symmetrical set.
, after the layer of concrete drying of treating the lightweight duct bottom reaches designing requirement,, the lightweight pipeline is installed between the two row L shaped steel muscle according to technological requirement; The L shaped steel muscle of lightweight pipeline both sides respectively forms a row.
3, bar is sealed in setting on the lightweight pipeline; These two ends of sealing bar are connected on two corresponding L shaped steel muscle of lightweight pipeline both sides; This is sealed bar and is pressed on the surface of lightweight pipeline, and the distance between the layer of concrete of restriction lightweight pipeline and bottom prevents the lightweight pipe shifted; To reach firm lightweight pipeline, the purpose that its installation site is adhered to specification.
This seals bar has two kinds of arrangement forms usually; A kind of is forward arrangement with the radial parallel (axially vertical with it) of lightweight pipeline; Its two ends are connected to that (that section that exposes layer of concrete with L shaped steel muscle is connected on the symmetrically arranged vertically two L shaped steel muscle in lightweight pipeline both sides; As through welding (spot welding) or little steel wire, prick in the silk colligation, perhaps a crotch is set on the top that L shaped steel muscle exposes that section of layer of concrete, the two ends of sealing bar are connected respectively or hang on this crotch; More can conveniently connect, rapid construction to be to improve work efficiency), be equivalent to form an anchor ear radially and equally be pressed in its external surface; Another kind be not with the oblique arrangement of the radial parallel of lightweight pipeline, its two ends are connected on two L shaped steel muscle of lightweight pipeline both sides asymmetric setting vertically, form an oblique anchor ear and are pressed in its external surface; According to the diameter and the behavior in service of lightweight pipeline, on four adjacent L shaped steel muscle, two bars of sealing that are " X " type intersection can be set, can apply bigger thrust to the lightweight pipeline, can prevent that more the lightweight pipeline is in displacement axial and radially.
The bar of sealing of the present invention; Can constitute by three sections; Be that arc section 42 connects and composes with left and right two sections straight sections 41, the two ends of arc section 42 are connected with an end of left and right straight section 41 respectively, and the other end of left and right straight section 41 is connected with that section that two L shaped steel muscle expose layer of concrete respectively again; The radian of arc section 42 equates with the radian of lightweight pipeline external surface, can be fitted on the lightweight pipeline external surface; This kind structure can be simplified construction technology, play better pressuring action, can prevent that more the lightweight pipeline is in displacement axial and radially.
4, according to designing requirement, on left and right two sides of lightweight pipeline and end face, build layer of concrete, the concrete that forms according with process requirements is sealed the structure of lightweight pipeline.
As shown in Figure 1, concrete of the present invention is sealed the job practices of lightweight pipeline, is the bottom layer of concrete 2 of building earlier below the lightweight pipeline 1; When building bottom layer of concrete 2; In the both sides, installation site of lightweight pipeline 1, correspondence is buried L shaped steel muscle 3 underground in advance, forms two rows; Build at bottom layer of concrete 2, after the drying, L shaped steel muscle 3 exposes bottom layer of concrete 2 certain distances, the horizontal segment of its lower end and L type is embedded in the concrete, and is connected with steel bars in concrete and firmly is arranged in the concrete.Lightweight pipeline 1 is installed on the layer of concrete 2 of bottom, and in the middle of two row L shaped steel muscle 3; According to technological requirement; On lightweight pipeline 1, be provided with and seal bar 4; Every two ends of sealing bar 4 are connected on two corresponding L shaped steel muscle 3 of lightweight pipeline 1 both sides; This is sealed bar 4 and is pressed on the surface of lightweight pipeline 1, and the distance between restriction lightweight pipeline 1 and the bottom layer of concrete 2 prevents 1 displacement of lightweight pipeline.Set all seal bar 4 after, according to technological requirement, on left and right two sides of lightweight pipeline 1 and end face, build and seal layer of concrete 5, the concrete of left and right two sides and end face can be built simultaneously, also can build respectively; Bottom layer of concrete 2 with seal layer of concrete 5 be arranged on lightweight pipeline 1 around, in lightweight pipeline 1 is encapsulated in.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (7)
1. a concrete is sealed the job practices of lightweight pipeline, it is characterized in that comprising the steps:
(1) when building the layer of concrete of lightweight duct bottom, L shaped steel muscle of corresponding pre-buried some certain-lengths all in the both sides of lightweight pipeline installation site, the surperficial certain altitude that layer of concrete is exposed in the upper end of this reinforcing bar exposes 100mm-200 mm; The lower end of this L shaped steel muscle is arranged in this layer of concrete, or is connected on the reinforcing bar of this layer of concrete;
(2) after the layer of concrete drying of treating the lightweight duct bottom reaches designing requirement,, the lightweight pipeline is installed between the two row L shaped steel muscle according to technological requirement;
(3) on the lightweight pipeline, be provided with and seal bar, these two ends of sealing bar are connected on two corresponding L shaped steel muscle of lightweight pipeline both sides, and this is sealed on the external surface that bar is pressed in the lightweight pipeline;
(4) according to designing requirement, on left and right two sides of lightweight pipeline and end face, build layer of concrete, the concrete that forms according with process requirements is sealed the structure of lightweight pipeline.
2. concrete according to claim 1 is sealed the job practices of lightweight pipeline; It is characterized in that; The described bar of sealing; With the radial parallel of lightweight pipeline, its two ends are connected on the symmetrically arranged vertically two L shaped steel muscle in lightweight pipeline both sides, form an anchor ear radially and are pressed in its external surface.
3. concrete according to claim 1 is sealed the job practices of lightweight pipeline, it is characterized in that,
The described bar of sealing, with the radial parallel of lightweight pipeline, its two ends are not connected on two L shaped steel muscle of lightweight pipeline both sides asymmetric setting vertically, form an oblique anchor ear and are pressed in its external surface.
4. concrete according to claim 3 is sealed the job practices of lightweight pipeline, it is characterized in that,
On four adjacent L shaped steel muscle, two bars of sealing that are " X " type arranged crosswise are set.
5. seal the job practices of lightweight pipeline according to the arbitrary described concrete of claim 2-4, it is characterized in that, the distance between two L shaped steel muscle of homonymy equates with the lightweight outer diameter tube.
6. seal the job practices of lightweight pipeline according to the arbitrary described concrete of claim 1-4; It is characterized in that; The described bar of sealing, its two ends are connected with that section that two L shaped steel muscle of lightweight pipeline both sides expose layer of concrete through welding or colligation respectively; Perhaps, the top of exposing that section of layer of concrete at L shaped steel muscle is provided with a crotch, and the two ends of sealing bar are connected respectively or hang on this crotch.
7. concrete according to claim 6 is sealed the job practices of lightweight pipeline; It is characterized in that; The described bar of sealing; Connected and composed by arc section and left and right two sections straight sections, the two ends of arc section (42) are connected with an end of left and right two straight sections (41) respectively, and the other end of left and right two straight sections (41) is connected again with that section that L shaped steel muscle exposes layer of concrete; The radian of arc section (42) equates with the radian of lightweight pipeline external surface.
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| CN2012102900369A CN102776950A (en) | 2012-08-15 | 2012-08-15 | Construction method of concrete packing light pipeline |
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| CN2012102900369A CN102776950A (en) | 2012-08-15 | 2012-08-15 | Construction method of concrete packing light pipeline |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410692A (en) * | 2016-10-19 | 2017-02-15 | 国网上海电力设计有限公司 | Track device used for cable turning tube-through laying |
| CN108277803A (en) * | 2018-01-25 | 2018-07-13 | 北京翔鲲水务建设有限公司 | Steel pipe total incapsulation concreting underwater pipeline stabilizing support construction and its construction method |
| CN113653324A (en) * | 2021-09-02 | 2021-11-16 | 中国二十二冶集团有限公司 | Quick pipeline encapsulating method |
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| JP2001251744A (en) * | 2000-03-03 | 2001-09-14 | Mirai Ind Co Ltd | Wire securing fitting and method for securing wire to pole |
| CN2473426Y (en) * | 2001-04-30 | 2002-01-23 | 韩春秋 | Pipe clip |
| CN200975559Y (en) * | 2006-11-23 | 2007-11-14 | 张明亮 | Stainless steel pipe clip |
| CN201412603Y (en) * | 2009-06-19 | 2010-02-24 | 中建三局第一建设工程有限责任公司 | Pipeline fixing bracket |
| CN101775826A (en) * | 2010-01-26 | 2010-07-14 | 济南金鼎信息技术有限公司 | Construction method for laying water pipes |
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- 2012-08-15 CN CN2012102900369A patent/CN102776950A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001251744A (en) * | 2000-03-03 | 2001-09-14 | Mirai Ind Co Ltd | Wire securing fitting and method for securing wire to pole |
| CN2473426Y (en) * | 2001-04-30 | 2002-01-23 | 韩春秋 | Pipe clip |
| CN200975559Y (en) * | 2006-11-23 | 2007-11-14 | 张明亮 | Stainless steel pipe clip |
| CN201412603Y (en) * | 2009-06-19 | 2010-02-24 | 中建三局第一建设工程有限责任公司 | Pipeline fixing bracket |
| CN101775826A (en) * | 2010-01-26 | 2010-07-14 | 济南金鼎信息技术有限公司 | Construction method for laying water pipes |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410692A (en) * | 2016-10-19 | 2017-02-15 | 国网上海电力设计有限公司 | Track device used for cable turning tube-through laying |
| CN108277803A (en) * | 2018-01-25 | 2018-07-13 | 北京翔鲲水务建设有限公司 | Steel pipe total incapsulation concreting underwater pipeline stabilizing support construction and its construction method |
| CN113653324A (en) * | 2021-09-02 | 2021-11-16 | 中国二十二冶集团有限公司 | Quick pipeline encapsulating method |
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Application publication date: 20121114 |