CN107401207B - The construction method of drainage pipeline - Google Patents
The construction method of drainage pipeline Download PDFInfo
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- CN107401207B CN107401207B CN201710812292.2A CN201710812292A CN107401207B CN 107401207 B CN107401207 B CN 107401207B CN 201710812292 A CN201710812292 A CN 201710812292A CN 107401207 B CN107401207 B CN 107401207B
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
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- Water Supply & Treatment (AREA)
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Abstract
The invention discloses a kind of construction methods of drainage pipeline, include the following steps: step 1: preparation of construction；Step 2: tube seat excavates；Step 3: flat base, the construction of cement solidification layer；Step 4: the lifting of prefabricated pipeline pedestal；Step 5: Pipe installing；Step 6: body construction is closed in slip casting；Step 7: concrete backfill construction: being inserted into template in the template slot of prefabricated pipeline pedestal two sides, while being enclosed at both ends using same template, carry out concreting backfill, the form removal after concrete initial set；Step 8: gravel backfill construction；The side of the template is connected with positioning strip, locating slot is provided on the prefabricated pipeline pedestal, inserted with support rod in the locating slot, the angle between one end insertion template and positioning strip of the remotely located slot of support rod with template and positioning strip to abut simultaneously.The invention has the benefit that the construction method is carrying out that the support to template can be enhanced when concrete backfill, template is avoided to be easy to happen bending.
Description
Technical field
The present invention relates to pipeline, in particular to a kind of construction method of drainage pipeline.
Background technique
Drainage system is the important infrastructure of modern city.In drainage system, drainage pipeline is essential
Component part.Drainage pipeline refers to the pipe duct collected with sewage effluent, waste water and rainwater.
The Chinese patent of Publication No. CN104895174A discloses a kind of heavy caliber rain sewage conduct assembled component knot
The construction method of structure.The construction method mainly includes the following steps: that preparation of construction, tube seat excavation, flat base, cement solidification layer are applied
Work, the lifting of pipeline pedestal, Pipe installing, slip casting closing body construction, concrete backfill construction and gravel backfill construction.
In the construction method, when carrying out concrete backfill, concrete can generate extruding to template.And in work progress
In, the depth of template slot is smaller compared to the height of template, causes template in the extruding by concrete by template slot
It supports relatively fewer, causes template to be easy to happen bending, have much room for improvement.
Summary of the invention
The object of the present invention is to provide a kind of construction methods of drainage pipeline.The construction method is when carrying out concrete backfill
The support to template can be enhanced, template is avoided to be easy to happen bending in the extruding by concrete.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of construction method of drainage pipeline, includes the following steps:
Step 1: preparation of construction: according to design drawing, handling construction site, draws construction contour line, determines bench mark mark
High, position prefabricated pipeline base, construction material, machinery, personnel are in place；
Step 2: tube seat excavates: it is calculated according to design slot bottom width and cutting depth and the slope gradient and determines excavation width,
It is excavated using reverse shovel grab retrusive, and with the progress of inverse water pipe gradient direction；
Step 3: flat base, the construction of cement solidification layer: after the completion of tube seat excavates, tube bottom absolute altitude being measured, and tamp bottom
Portion's soil body, then backfill is carried out using pre- mixing lightweight concrete and is paved；
Step 4: the lifting of prefabricated pipeline pedestal: paving spills medium-sand seam at the top of cement solidification layer before lifting, using a lifting
Set that proportional spacing is laid in tube seat along longitudinal direction by prefabricated pipeline pedestal, when prefabricated pipeline pedestal is symmetrical double-division type, Ying Gen
It is symmetrical to lay prefabricated pipeline pedestal according to pipeline location, and junction steel plate is installed in time；
Step 5: Pipe installing: using hand fit's machinery down tube, steadily install rain sewage conduct according to design requirement
Separate type circumferential direction positioning belt is set in time to prefabricated pipeline pedestal, after installation qualification, consolidates pipe shaft；
Step 6: body construction is closed in slip casting: being infused after being passed through the cement mortar for meeting match ratio requirement by cement mortar pump
It starches hole and carries out mud jacking, the gap between fill pipe and prefabricated pipeline pedestal；
Step 7: concrete backfill construction: being inserted into template in the template slot of prefabricated pipeline pedestal two sides, while at both ends
It is enclosed using same template, carries out concreting backfill, the form removal after concrete initial set forms concrete backfill layer；
Step 8: gravel backfill construction: in two sides placement in layers gravel, every thickness degree after concrete backfill layer acceptance(check)
Less than 150mm, and compaction treatment, formation gravel backfill layer；
The side of the template is connected with positioning strip, and locating slot, the locating slot are provided on the prefabricated pipeline pedestal
In inserted with support rod, angle between one end insertion template and positioning strip of the remotely located slot of support rod with simultaneously with
Template and positioning strip abut.
By using above-mentioned technical proposal, one end of support rod is inserted into locating slot, and the other end is connected to positioning strip and mould
The angle that plate is formed, to increase support of the prefabricated pipeline pedestal to template using support rod as the transmitting of power, avoid mould
Plate is easy to happen bending in the extruding by concrete.
The present invention is further arranged to: the template side, which is provided with, extends through template two along template length direction
The groove at end, the two sides of the notch of the groove are connected with the positive stop strip extended along template length direction, described in two
The connectivity slot being connected to groove is formed between positive stop strip, the positioning strip includes clamping portion and the abutting part of integrally connected, described
Clamping portion is caught in groove and closely abuts with the cell wall of groove, and the abutting part passes through connectivity slot and protrudes template surface.
By using above-mentioned technical proposal, after clamping portion is caught in groove, abutting part passes through connectivity slot and protrudes template table
Face, to form angle between abutting part and template, be used to support bar to abutting part and template while abut.Meanwhile clamping portion
Can be movable in a groove, thus when positioning strip is deformed because being supported bar effect for a long time, it can be achieved that being carried out to positioning strip
Replacement.
The present invention is further arranged to: the groove is provided with multiple, and multiple grooves are parallel to each other and are equally spaced.
By using above-mentioned technical proposal, for the pipeline of different tube diameters, the height after completing concrete backfill is differed, from
And it is different to generate the position squeezed for template.Therefore for different pipelines, the position that template needs to support is different.It is multiple recessed
The setting of slot is caught in positioning strip in different grooves, to generate support to template different location.
The present invention is further arranged to: the both ends in the template length direction are provided with threaded hole, and the template is in screw thread
Hole internal screw thread is connected with caging bolt, and the limit with caging bolt socket is provided between the caging bolt and the end face of template
Plate, one end of the limit plate cover the end of groove.
By using above-mentioned technical proposal, the setting of limit plate can close the end of groove, to avoid determining
Position item is arbitrarily moved along groove.
The present invention is further arranged to: one end that the limit plate covers groove is provided with the fixture block for being caught in groove, described
Fixture block is closely abutted with the cell wall of groove.
By using above-mentioned technical proposal, groove is caught in due to fixture block and is closely abutted with the cell wall of groove, limit plate is again
It is socketed with caging bolt, so that limit plate is because of limit plate when caging bolt and template weaken the squeezing action of limit plate
Two o'clock is all able to fixed and is not susceptible to move.Meanwhile the mistake that limit plate is abutted and squeezed with template is turned in caging bolt
Cheng Zhong, fixture block are caught in groove also and can be avoided limit plate as caging bolt rotates, consequently facilitating being installed.
The present invention is further arranged to: the fixture block and limit plate are hinged, and the fixture block is only connected at connectivity slot.
By using above-mentioned technical proposal, when needing to carry out the replacement of positioning strip, if fixture block is not hinged with limit plate,
It needs that caging bolt moving distance in threaded hole is driven to be equal to the depth that fixture block is caught in connectivity slot, can realize limit plate
Rotation, makes the port of groove lose the covering of limit plate, integrated operation is relatively complicated.When fixture block and hinged limit plate, can incite somebody to action
Fixture block is rotated to exit connectivity slot, and need to only loosen caging bolt at this time can be realized the rotation of limit plate, thus groove
Port loses the covering of limit plate, and integrated operation is relatively simple.
In conclusion the invention has the following advantages:
Fixture block is caught in connectivity slot, on the one hand avoids during fastening limit plate limit plate as caging bolt moves
It is dynamic, the mobile effect of limitation limit plate on the other hand can be also played, the sealing process to groove port is enhanced.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that embodiment is in that template is inserted into after template slot；
Fig. 2 is the structural schematic diagram after embodiment is in construction；
Fig. 3 is the partial exploded view of template in embodiment；
Fig. 4 is the enlarged drawing of a-quadrant in Fig. 3；
Fig. 5 is the structural schematic diagram of positioning strip in embodiment.
Appended drawing reference: 1, tube seat；2, cement solidification layer；3, prefabricated pipeline pedestal；4, rain sewage conduct；5, circumferential positioning
Band；6, grouting behind shaft or drift lining hole；7, template slot；8, template；9, concrete backfill layer；10, gravel backfills layer；11, groove；12, positive stop strip；
13, connectivity slot；14, positioning strip；141, clamping portion；142, abutting part；15, locating slot；16, support rod；17, threaded hole；18, it limits
Position bolt；19, limit plate；20, fixture block.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Referring to Fig.1 with 2, a kind of construction method of drainage pipeline includes the following steps:
Step 1: preparation of construction: according to design drawing, handling construction site, draws construction contour line, determines bench mark mark
High, position prefabricated pipeline base, construction material, machinery, personnel are in place；
Step 2: tube seat 1 excavates: it is calculated according to design slot bottom width and cutting depth and the slope gradient and determines excavation width,
It is excavated using reverse shovel grab retrusive, and with the progress of inverse water pipe gradient direction；
Step 3: flat base, cement solidification layer 2 are constructed: after the completion of tube seat 1 excavates, being measured to tube bottom absolute altitude, and tamp
Bottom soil body, then backfill is carried out using pre- mixing lightweight concrete and is paved；
Step 4: prefabricated pipeline pedestal 3 lifts: paving spills medium-sand seam at the top of cement solidification layer 2 before lifting, using lifting
By prefabricated pipeline pedestal 3, proportional spacing is laid in tube seat 1 device along longitudinal direction, when prefabricated pipeline pedestal 3 is symmetrical double-division type,
Should be symmetrical to lay prefabricated pipeline pedestal 3 according to pipeline location, and junction steel plate is installed in time；
Step 5: Pipe installing: using hand fit's machinery down tube, steadily installs rain sewage conduct 4 according to design requirement
Separate type circumferential direction positioning belt 5 is set in time to prefabricated pipeline pedestal 3, after installation qualification, consolidates pipe shaft；
Step 6: body construction is closed in slip casting: being infused after being passed through the cement mortar for meeting match ratio requirement by cement mortar pump
It starches hole 6 and carries out mud jacking, the gap between fill pipe and prefabricated pipeline pedestal 3；
Step 7: concrete backfill construction: template 8 is inserted into 8 slot 7 of template of prefabricated pipeline pedestal two sides, while two
End is enclosed using same template 8, carries out concreting backfill, and form removal 8 after concrete initial set form concrete backfill
Layer 9；
Step 8: gravel backfill construction: in two sides placement in layers gravel, every thickness degree after 9 acceptance(check) of concrete backfill layer
Less than 150mm, and compaction treatment, formation gravel backfill layer 10；
Referring to Fig. 3 and 4, template 8 extends through 8 both ends of template along 8 length direction of template away from the side of pipeline
Four grooves 11.Four grooves 11 are parallel to each other and are equally distributed on 8 side of template.The two sides one of the notch of each groove 11
It is connected with the positive stop strip 12 extended along 8 length direction of template.The connection being connected to groove 11 is formed between two positive stop strips 12
Slot 13.Referring to Figure 4 and 5, positioning strip 14 is caught in groove 11, positioning strip 14 includes the clamping portion 141 of integrally connected and abuts
Portion 142.Due to clamping portion 141 can in groove 11 it is movable, positioning strip 14 is replaced so as to realize, also can will
Clamping portion 141 is placed in different grooves 11.Clamping portion 141 is entirely located in groove 11 and closely abuts with the cell wall of groove 11.
Abutting part 142 passes through connectivity slot 13 and protrudes 8 surface of template.
Referring to Fig.1 with 3, the two sides of prefabricated pipeline pedestal are respectively provided with that there are three along between prefabricated pipeline pedestal extending direction etc.
Locating slot 15 away from distribution, inserted with support rod 16 in locating slot 15.One end of the remotely located slot 15 of support rod 16, which is inserted into, to abut
Angle between portion 142 and template 8 with abutting part 142 and template 8 to abut simultaneously.Locating slot 15 is inserted into one end of support rod 16
In, the angle that the other end is connected to abutting part 142 and template 8 is formed, to increase using support rod 16 as the transmitting of power
Support of the prefabricated pipeline pedestal to template 8 avoids template 8 from being easy to happen bending in the extruding by concrete.
Referring to Fig. 4, the both ends of 8 length direction of template are provided with threaded hole 17, and template 8 is connected in 17 internal screw thread of threaded hole
Caging bolt 18.The limit plate 19 being socketed with caging bolt 18, limit plate are provided between caging bolt 18 and the end face of template 8
19 one end covers the end of groove 11.The setting of limit plate 19 can close the end of groove 11, to avoid determining
Position item 14 is arbitrarily moved along groove 11.One end that limit plate 19 covers groove 11 is hinged with the card being only connected at connectivity slot 13
Block 20, fixture block 20 are closely abutted with two sides positive stop strip 12.Groove 11 is caught in due to fixture block 20 and is closely supported with the cell wall of groove 11
It connects, limit plate 19 is socketed with caging bolt 18 again, thus when caging bolt 18 and template 8 weaken the squeezing action of limit plate 19
When, limit plate 19 is not susceptible to move due to the two o'clock of limit plate 19 is all fixed.Meanwhile turn in caging bolt 18 and
During template 8 abuts and squeezes limit plate 19, fixture block 20 is caught in groove 11 also and can be avoided limit plate 19 with limit spiral shell
Bolt 18 rotates, consequently facilitating being installed.When needing to carry out the replacement of positioning strip 14, fixture block 20 can be rotated with
Connectivity slot 13 is exited, need to only loosen caging bolt 18 at this time can be realized the rotation of limit plate 19, so that the port of groove 11 is lost
The covering of limit plate 19 is gone, integrated operation is relatively simple.
Carry out concrete backfill work progress in, when in 8 slot 7 of template toward prefabricated pipeline pedestal two sides insertion template 8,
While after both ends are enclosed using same template 8, the height after first prejudging concrete backfill and the position to the generation extruding of template 8
It sets, then determines and need to be inserted into positioning strip 14 into which groove 11.
The clamping portion 141 of positioning strip 14 is inserted into determining groove 11, abutting part 142 exposes 8 surface of template.At this point,
Limit plate 19 is inserted in caging bolt 18, then caging bolt 18 is directed at threaded hole 17, then limit plate 19 is adjacent to 8 end of template
Portion is caught in fixture block 20 in connectivity slot 13.At this point, caging bolt 18 is screwed in threaded hole 17 to abutting and squeeze limit plate 19.
The support rod 16 of reselection appropriate length, makes one end of support rod 16 be caught in locating slot 15, and the other end is connected to 142 He of abutting part
The angle that template 8 is formed.
After concrete initial set, first support rod 16 is removed, it can be by template 8, positioning strip 14, limit plate 19, fixture block 20
It is removed together with caging bolt 18.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (4)
1. a kind of construction method of drainage pipeline, it is characterized in that: including the following steps:
Step 1: preparation of construction: according to design drawing, handling construction site, draws construction contour line, determines bench mark absolute altitude, position
Prefabricated pipeline pedestal is set, construction material, machinery, personnel are in place；
Step 2: tube seat (1) excavates: being calculated according to design slot bottom width and cutting depth and the slope gradient and determines excavation width, adopted
It is excavated with reverse shovel grab retrusive, and with the progress of inverse water pipe gradient direction；
Step 3: flat base, cement solidification layer (2) construction: after the completion of tube seat (1) excavates, tube bottom absolute altitude being measured, and tamps
Bottom soil body, then backfill is carried out using pre- mixing lightweight concrete and is paved；
Step 4: prefabricated pipeline pedestal (3) lifting: paving spills medium-sand seam at the top of cement solidification layer (2) before lifting, using lifting
By prefabricated pipeline pedestal (3), proportional spacing is laid in tube seat (1) device along longitudinal direction, when prefabricated pipeline pedestal (3) are symmetric double
, should be symmetrical to lay prefabricated pipeline pedestal (3) according to pipeline location when fraction, and junction steel plate is installed in time；
Step 5: Pipe installing: using hand fit's machinery down tube, steadily installs rain sewage conduct (4) extremely according to design requirement
Separate type circumferential direction positioning belt (5) is set in time on prefabricated pipeline pedestal (3), after installation qualification, consolidates pipe shaft；
Step 6: body construction is closed in slip casting: the cement mortar for meeting match ratio requirement being passed through grouting behind shaft or drift lining hole by cement mortar pump
(6) mud jacking, the gap between fill pipe and prefabricated pipeline pedestal (3) are carried out；
Step 7: concrete backfill construction: being inserted into template (8) in the template slot (7) of prefabricated pipeline two sides of base, while two
End is enclosed using same template (8), carries out concreting backfill, and form removal (8) after concrete initial set form concrete
It backfills layer (9)；
Step 8: gravel backfill construction: in two sides placement in layers gravel after concrete backfill layer (9) acceptance(check), every thickness degree is small
In 150mm, and compaction treatment, formation gravel backfill layer (10)；
The side of the template (8) is connected with positioning strip (14), is provided on the prefabricated pipeline pedestal locating slot (15), described
Inserted with support rod (16) in locating slot (15), one end insertion template (8) of the remotely located slot of the support rod (16) (15) and
Angle between positioning strip (14) with template (8) and positioning strip (14) to abut simultaneously；Template (8) side is provided with edge
Template (8) length direction extend through the groove (11) at template (8) both ends, the two sides one of the notch of the groove (11)
It is connected with the positive stop strip (12) extended along template (8) length direction, formation and groove between two positive stop strips (12)
(11) connectivity slot (13) being connected to, the positioning strip (14) includes clamping portion (141) and the abutting part (142) of integrally connected, institute
It states clamping portion (141) to be caught in groove (11) and closely abut with the cell wall of groove (11), the abutting part (142) passes through connection
Slot (13) simultaneously protrudes template (8) surface；The both ends of template (8) length direction are provided with threaded hole (17), the template (8)
In threaded hole (17), internal screw thread is connected with caging bolt (18), is arranged between the caging bolt (18) and the end face of template (8)
There is the limit plate (19) with caging bolt (18) socket, one end of the limit plate (19) covers the end of groove (11).
2. the construction method of drainage pipeline according to claim 1, it is characterized in that: the groove (11) be provided with it is multiple,
Multiple grooves (11) are parallel to each other and are equally spaced.
3. the construction method of drainage pipeline according to claim 2, it is characterized in that: the limit plate (19) covers groove
(11) one end is provided with the fixture block (20) for being caught in groove (11), and the fixture block (20) closely abuts with the cell wall of groove (11).
4. the construction method of drainage pipeline according to claim 3, it is characterized in that: the fixture block (20) and limit plate (19)
Hingedly, the fixture block (20) is only connected at connectivity slot (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710812292.2A CN107401207B (en) | 2017-09-11 | 2017-09-11 | The construction method of drainage pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710812292.2A CN107401207B (en) | 2017-09-11 | 2017-09-11 | The construction method of drainage pipeline |
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| Publication Number | Publication Date |
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| CN107401207A CN107401207A (en) | 2017-11-28 |
| CN107401207B true CN107401207B (en) | 2019-05-31 |
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| CN201710812292.2A Active CN107401207B (en) | 2017-09-11 | 2017-09-11 | The construction method of drainage pipeline |
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| CN108204030B (en) * | 2017-12-13 | 2019-11-08 | 苍南县交通建设工程有限公司 | Sewage conduct mounting structure and its construction method |
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| CN113339588A (en) * | 2021-04-13 | 2021-09-03 | 张家港市永茂建筑工程有限公司 | Pipeline frame and construction method for newly-built access well of drainage pipeline using pipeline frame |
| CN113756342B (en) * | 2021-09-08 | 2023-04-14 | 中国一冶集团有限公司 | Underwater formwork in limited closed space and formwork sealing method |
| CN113700007B (en) * | 2021-09-09 | 2022-07-29 | 安徽振元建设工程有限公司 | Construction method for backfilling drainage pipeline support of road construction at complex section |
| CN114321494B (en) * | 2021-12-25 | 2023-09-08 | 广东冠雄建设集团有限公司 | Municipal pipeline protection structure and construction method thereof |
| CN115354670B (en) * | 2022-08-24 | 2024-06-04 | 山西省水利建筑工程局集团有限公司 | Construction method for backfilling axillary angle of pipeline groove |
| CN115976917B (en) * | 2023-02-14 | 2024-05-17 | 中国一冶集团有限公司 | Curb assembly auxiliary device and construction method |
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| Publication number | Publication date |
|---|---|
| CN107401207A (en) | 2017-11-28 |
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