CN112343152A - Sewage pipeline construction process - Google Patents

Sewage pipeline construction process Download PDF

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Publication number
CN112343152A
CN112343152A CN202011150696.8A CN202011150696A CN112343152A CN 112343152 A CN112343152 A CN 112343152A CN 202011150696 A CN202011150696 A CN 202011150696A CN 112343152 A CN112343152 A CN 112343152A
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China
Prior art keywords
sewage
construction process
supporting
groove
sewer pipe
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Granted
Application number
CN202011150696.8A
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Chinese (zh)
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CN112343152B (en
Inventor
项国京
赖忠右
杨振林
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Guangdong Guanxiong Construction Group Co ltd
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Guangdong Guanxiong Construction Group Co ltd
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Priority to CN202011150696.8A priority Critical patent/CN112343152B/en
Publication of CN112343152A publication Critical patent/CN112343152A/en
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Publication of CN112343152B publication Critical patent/CN112343152B/en
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F3/00Sewer pipe-line systems
    • E03F3/06Methods of, or installations for, laying sewer pipes
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/02Manhole shafts or other inspection chambers; Snow-filling openings; accessories

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sewage (AREA)

Abstract

The application relates to a sewage pipeline construction process, relates to the field of municipal sewage pipelines, and comprises the following steps: s1, measuring and paying off; s2, digging a groove; s3, paving a sand cushion layer; s4, installing a pipeline; s5, building an inspection well; s6, water closing test; and S7, backfilling the groove. This application has and improves sewage coupling head and can produce the effect that powerful was dragged to seal structure when closing water test.

Description

Sewage pipeline construction process
Technical Field
The application relates to the field of municipal sewage pipelines, in particular to a sewage pipeline construction process.
Background
The sewage pipeline system consists of pipelines for collecting and conveying urban sewage and accessory structures thereof. The sewage flows into the main pipe from the branch pipe, then flows into the main pipe and finally flows into a sewage treatment plant. The pipelines are distributed like rivers from small to large in a tree shape and are completely different from the circulation through condition of a water supply pipe network. The sewage flows from high to low in the pipeline generally by the water surface difference at two ends of the pipeline, and the inside of the pipeline does not bear pressure, namely the sewage flows by gravity.
In the related art, the construction of a sewage pipeline generally includes the following steps: 1. measuring and paying off; 2. digging a groove; 3. laying a sand cushion layer; 4. installing a pipeline; 5. building an inspection well; 6. a water-closing test; 7, backfilling the groove. Forming a groove for installing a sewage pipeline through the step 1 and the step 2, forming a sand cushion layer for stably supporting the pipeline at the bottom of the groove through the step 3, assembling the pipeline through a plurality of sewage pipes when the step 4 is carried out, wrapping one end, connected with each other, of any two adjacent sewage pipes by using sealing materials such as waterproof geotextile, sealing coatings and the like to form a sealing structure, and completing the protection and the test of the pipeline through the step 5, the step 6 and the step 7.
In view of the above-mentioned related technologies, the inventor believes that, in order to facilitate water leakage inspection, one end of each of two adjacent sewage pipes connected to each other must not be fixed by pouring, water needs to be injected into the sewage pipe to detect water leakage during a water closing test, and when a large amount of water is injected, the joint of the sewage pipe is affected by water flow impact and vibrates, which affects the connection strength between the two adjacent sewage pipes, so that the sealing structure for sealing and connecting the joint portions of the sewage pipes is easily damaged by strong pulling, and therefore needs to be improved.
Disclosure of Invention
The application provides a sewage pipeline construction process in order to solve the problem that the sewage pipe joint part can produce the powerful pulling to the seal structure when closing the water test.
The sewage pipeline construction process adopts the following technical scheme.
A sewage pipeline construction process comprises the following steps:
s1, measuring and paying off;
s2, digging a groove;
s3, paving a sand cushion, installing a plurality of supporting pieces on the sand cushion, wherein each supporting piece comprises two groups of supporting groups which are arranged along the length direction of the groove, each supporting group comprises two supporting rods which are respectively arranged on two sides of the groove, the upper end of each supporting rod is obliquely arranged towards the direction far away from the central line of the groove, and at least 4 supporting rods are arranged;
s4, installing a pipeline, wherein the pipeline is formed by splicing a plurality of sewage pipes, and the end part of each sewage pipe is erected between two support rods forming a support group;
s5, building an inspection well;
s6, water closing test;
and S7, backfilling the groove.
By adopting the technical scheme, the paying-off is measured through S1; s2, digging a groove; s3, paving a sand cushion layer; s4, installing a pipeline; s5, building an inspection well; s6, water closing test; s7 construction of sewage pipeline can be accomplished to ditch groove backfill, wherein, when S3 and S4 go on, the support group that utilizes to form by two spinal branch vaulting pole combinations can support the tip of sewage pipe spacingly, can support the one end that two sewage pipes that adjacently set up meet through two sets of support groups, make two sewage union coupling of adjacent setting more stable, and make the sewage pipe reduce when receiving the water impact vibration range, avoid seal structure to receive powerful and pull, and because each spinal branch vaulting pole mutually noninterfere, can not cause the hindrance to the one end that meets of sewage pipe, the staff of being convenient for overhauls.
Optionally, the support member further includes a base, and the lower end of each support rod is fixed to the base.
Through adopting above-mentioned technical scheme, can fix two supporting groups as an organic whole through the base, the support piece installation of being convenient for can ensure the joint strength between two supporting groups simultaneously for support piece supports more stably to the one end that meets of sewage pipe.
Optionally, the base includes two installation beams and two tie-beams, two installation beams are parallel to each other, two ends of two tie-beams are equally divided and are respectively connected with two installation beams, and each support rod is respectively installed on the end portions of two ends of each installation beam.
Through adopting above-mentioned technical scheme, the base middle part that forms through two installation roof beams and two tie beams combinations can the fretwork setting, effectively reduces the material cost of base to avoid the base overweight, the base of being convenient for uses.
Optionally, the lower end of each support rod is provided with a bottom plate attached to the upper surface of the mounting beam, and the bottom plate is detachably connected with the mounting beam in a bolt locking manner.
Through adopting above-mentioned technical scheme, utilize the bottom plate can increase the area of contact between bracing piece lower extreme and the base for connection between the two is more firm, stable, and the mode that utilizes the bolt lock to pay can be indirect realization bracing piece and the base between can dismantle and be connected, the support piece of being convenient for produces, transport, storage and use.
Optionally, both ends of each mounting beam are provided with adjusting grooves extending along the length direction of the mounting beam, and bolts for locking the bottom plate penetrate through the adjusting grooves.
Through adopting above-mentioned technical scheme, through the cooperation between the adjusting groove and the bolt that is used for locking the pair bottom plate for the mounted position of bracing piece can be adjusted according to the actual size of sewage pipe, improves application scope.
Optionally, two ends of each sewage pipe are respectively provided with a limiting convex ring arranged circumferentially around the axis of the sewage pipe, and when two adjacent sewage pipes are connected, the two limiting convex rings at the joint section of the two sewage pipes are respectively attached to one side surface of the support group corresponding to the position of the support group far away from the center of the base.
Through adopting above-mentioned technical scheme, utilize the cooperation between spacing bulge loop and the bracing piece group can further increase the joint strength between support piece and the sewage pipe for the connection effect between two sewage pipes of adjacent setting is better.
Optionally, after S4 is completed, a limiting part is installed at one end where two adjacent sewage pipes are connected, the limiting part includes a connecting table and four limiting rods, the upper end of each limiting rod is connected with the connecting table, the lower end of each limiting rod is inclined towards the direction away from the central line of the groove, and each limiting rod is respectively attached to one side of the corresponding supporting group in position away from the center of the base.
Through adopting above-mentioned technical scheme, can be fixed as an organic whole with four gag lever posts through the connecting rod, after the installation accomplished the pipeline, can install the locating part above the one end that meets of sewage pipe, can further increase the support intensity between four spinal branch vaulting poles through the cooperation between four gag lever posts and four spinal branch vaulting poles.
Optionally, before the step S7 is performed, the limiting members are removed and recovered.
Through adopting above-mentioned technical scheme, can reach the effect of reduce cost through retrieving the locating part, the locating part of retrieving can used repeatedly many times after overhauing the maintenance, effectively avoids the cost too high.
Optionally, before the step S7, four sides of the supporting member are closed by using the mold to form a rectangular cavity, and the rectangular cavity is filled with the structural adhesive covering one end of the sewage pipe.
By adopting the technical scheme, the four sides of the supporting piece are sealed by the template to form the rectangular cavity, and then the sealing property of one end, connected with the sewage pipe, can be further improved by pouring structural adhesive into the rectangular cavity.
In summary, the present application includes at least one of the following beneficial technical effects:
the connecting strength and the connecting stability between two adjacent sewage pipes can be greatly improved, and the damage of a sealing structure for sealing and connecting the two adjacent sewage pipes during a water closing test is avoided;
can seal the reinforcement to seal structure for sealed effect between two sewer pipes of adjacent setting is better.
Drawings
FIG. 1 is a schematic flow chart diagram of an embodiment of the present application;
FIG. 2 is a schematic view of the structure of the sewage pipe connection according to the embodiment of the present application;
FIG. 3 is a schematic structural diagram of a support member according to an embodiment of the present application;
FIG. 4 is an enlarged view of part A of FIG. 3;
FIG. 5 is a schematic view illustrating an installation of a limiting member according to an embodiment of the present application;
fig. 6 is a schematic supporting diagram of a template according to an embodiment of the present application.
Reference numerals: 1. a sewage pipe; 11. a limit convex ring; 2. a sealing structure; 3. a support member; 31. a base; 311. mounting a beam; 312. a connecting beam; 313. an adjustment groove; 32. a support group; 321. a support bar; 322. a base plate; 4. a limiting member; 41. a connecting table; 42. a limiting rod; 5. a template; 51. a rectangular chamber.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a sewage pipeline construction process. Referring to fig. 1, the construction process includes the following steps:
s1, measurement and setting: releasing the central line of the pipeline according to a design drawing;
s2, digging a groove: placing slopes at the positions of the excavated sidelines, the slope toe lines and the inspection wells according to the requirements of the repeated construction scheme, wherein the distance between the fixed-drawing sides of the grooves and the sides of the pits is not less than 1 m, the mound height is not higher than 1.5 m, the sides of the grooves are covered with a dust screen in time, the bottoms of the grooves are manually cleaned by 20cm, the grooves are smooth, the bottoms of the grooves are flat and solid, and the characteristic value of the bearing capacity of the foundation is not less than 100 kpa;
s3, paving a sand cushion layer: paving a medium-coarse sand basic sand cushion layer with the thickness of 150mm on the bottom surface of the groove, wherein the medium-coarse sand basic sand cushion layer has the same width as the bottom of the groove, and the compactness is not less than 90%;
s4, installing a pipeline: the pipeline is formed by splicing a plurality of sewage pipes 1, the sewage pipes 1 can be used after the sewage pipes 1 are qualified after the field entry and the field entry, the sewage pipes 1 are mechanically hoisted to the bottom of the tank and are installed by manually matching machines, the sewage pipes 1 are linear and straight, and two sewage pipes 1 which are randomly and adjacently arranged directly need to be provided with a sealing structure 2 for sealing;
s5, building of an inspection well: the raw materials are put into the field and meet the requirements of design specifications, a shaft bottom base layer is built, then a sewage pipe 1 is connected with the shaft bottom base layer, a well wall is built, and film covering maintenance is needed after the inspection well is built;
s6, water closing test: injecting water into the inspection well, wherein the actually measured water seepage amount of the inspection well is less than or equal to the allowable water seepage amount;
and S7, backfilling the groove, backfilling in time after the water closing test is qualified, backfilling by using medium coarse sand layer by layer until the thickness of the medium coarse sand is 100mm above the outer skin of the sewage pipe 1, and tamping the medium coarse sand in each layer when backfilling.
Referring to fig. 2, before S4 is performed, a plurality of supporting members 3 are required to be installed on a sand cushion, each supporting member 3 is respectively located between any two sewage pipes 1 which are adjacently installed, when the sewage pipes 1 are installed, the end portions of the sewage pipes 1 are required to be lapped on the supporting members 3, when S4 is performed, only the connected ends of the two sewage pipes 1 which are adjacently installed are butted, and then the connected ends of the two sewage pipes 1 which are adjacently installed are wrapped by flexible sealing materials such as geotextile, waterproof coatings and waterproof sealing films to form a sealing structure 2.
Referring to fig. 3, the supporting member 3 includes a base 31 and two supporting groups 32, the supporting groups 32 are provided in two groups, and the two supporting groups 32 are respectively connected to one pair of sides of the base 31, each supporting group 32 includes two supporting rods 321, the two supporting rods 321 are respectively provided on the other pair of sides of the base 31, when two adjacent sewage pipes 1 are installed on the supporting member 3, one end of each sewage pipe 1 connected to the supporting group is respectively erected on the two supporting groups 32, so that the two supporting rods 321 forming the supporting group 32 respectively drag two sides of the sewage pipe 1; wherein, both ends at each sewage pipe 1 all are provided with spacing bulge loop 11, and when sewage pipe 1 installed on support piece 3, a side that seal structure 2 was kept away from to spacing bulge loop 11 was laminated with a side that support group 32 kept away from the center of base 31, and seal structure 2 is located between two spacing bulge loops 11.
Wherein, the limit convex ring 11 and the sewage pipe 1 are integrally formed.
Referring to fig. 4, the base 31 includes two mounting beams 311 arranged in parallel and two connecting beams 312 arranged in parallel, the two connecting beams 312 are respectively arranged between two ends of the two mounting beams 311, two ends of the two connecting beams 312 are respectively connected with the two mounting beams 311, the two mounting beams 311 are formed by cutting i-steel, and a plurality of adjusting grooves 313 extending along the length direction of the mounting beams 311 are respectively arranged on two ends of the two mounting beams 311; the lower end of each support rod 321 is provided with a bottom plate 322 which is connected with the upper surface of the mounting beam 311, the bottom plate 322 is detachably connected with the mounting beam 311 by a bolt locking mode, and a bolt for locking the bottom plate 322 penetrates through the corresponding adjusting groove 313.
Referring to fig. 5, after S4 is completed, install locating part 4 on the one end that meets of two sewage pipes 1 that set up adjacently, locating part 4 includes connection platform 41 and gag lever post 42, gag lever post 42 is provided with four altogether, the upper end of each gag lever post 42 all is connected with the side of connection platform 41, and the lower extreme of each gag lever post 42 all sets up towards the direction slope of keeping away from the slot central line, when locating part 4 installs in sewage pipe 1 top, the lower extreme of four gag lever posts 42 deviates from a side laminating of spacing bulge loop 11 with four spinal branch vaulting poles 321 respectively, can further increase the resistance to deformation ability of each spinal vaulting pole 321 through locating part 4, avoid each spinal vaulting pole 321 because the atress and towards the direction bending deformation of keeping away from spacing bulge loop 11.
Before S7 is performed, the stoppers 4 need to be removed for recycling.
Referring to fig. 6, before S7 is performed, the templates 5 are supported on four sides of the support member 3 to form a rectangular cavity 51 with an open upper end, a release agent is sprayed on the surface of each template 5, then, structural adhesive is poured into the rectangular cavity 51, the structural adhesive should be compacted by a vibrating rod, the structural adhesive is an expansion sealant, and after the structural adhesive is solidified and molded, each template 5 is removed.
The implementation principle of the sewage pipeline construction process in the embodiment of the application is as follows:
utilize support piece 3 and locating part 4 cooperation can carry on spacingly to the one end that two sewer pipes 1 that adjacent set up meet for when closing water test, when sewer pipe 1 is inside to receive water to strike, the displacement variation of sewer pipe 1 is less, thereby avoids producing great dragging to seal structure 2, ensures seal structure 2's safety in utilization.
Utilize the structure to glue and can connect the reinforcement to the connection position of two sewage pipes 1 of adjacent setting, can play good sealed reinforcement effect simultaneously, when the foundation takes place local settlement or vibrations, utilize the structure to glue and can avoid two sewage pipes 1 direct separations of adjacent setting.
Moreover, when the sealing structure 2 between two adjacent sewage pipes 1 is damaged after the sewage pipe is used for a long time, workers can repair the sewage pipe by chiseling the sealant.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. A sewage pipeline construction process is characterized by comprising the following steps:
s1, measuring and paying off;
s2, digging a groove;
s3, paving a sand cushion, installing a plurality of supporting pieces (3) on the sand cushion, wherein each supporting piece (3) comprises two groups of supporting groups (32) which are arranged along the length direction of the groove, each supporting group (32) comprises two supporting rods (321) which are respectively arranged on two sides of the groove, and the upper end of each supporting rod (321) is obliquely arranged towards the direction far away from the central line of the groove;
s4, installing a pipeline, wherein the pipeline is formed by splicing a plurality of sewage pipes (1), and the end part of each sewage pipe (1) is erected between two support rods (321) forming a support group (32);
s5, building an inspection well;
s6, water closing test;
and S7, backfilling the groove.
2. The sewer pipe construction process of claim 1, wherein: the supporting piece (3) further comprises a base (31), and the lower end of each supporting rod (321) is fixed on the base (31).
3. The sewer pipe construction process of claim 2, wherein: the base (31) comprises two mounting beams (311) and two connecting beams (312), the two mounting beams (311) are arranged in parallel, two ends of the two connecting beams (312) are respectively connected with the two mounting beams (311), and the supporting rods (321) are respectively mounted on the end parts of two ends of each mounting beam (311).
4. The sewer pipe construction process of claim 3, wherein: the lower end of each supporting rod (321) is provided with a bottom plate (322) attached to the upper surface of the mounting beam (311), and the bottom plate (322) is detachably connected with the mounting beam (311) in a bolt locking mode.
5. The sewer pipe construction process of claim 4, wherein: and adjusting grooves (313) extending along the length direction of the mounting beams (311) are formed in two ends of each mounting beam (311), and bolts for locking the bottom plate (322) penetrate through the adjusting grooves (313).
6. The sewer pipe construction process of claim 1, wherein: two ends of each sewage pipe (1) are respectively provided with a limiting convex ring (11) which is circumferentially arranged around the axis of the sewage pipe (1), and when two adjacent sewage pipes (1) are connected, the two limiting convex rings (11) at the connecting section of the two sewage pipes (1) are respectively attached to one side surface, far away from the center of the base (31), of the corresponding supporting group (32).
7. The sewer pipe construction process of claim 1, wherein: s4 is accomplished the back, at one of two sewer pipes (1) that adjacent setting meets and is served installation locating part (4), locating part (4) are including connecting platform (41) and four gag lever posts (42), the upper end and the connecting platform (41) of gag lever post (42) are connected, the lower extreme orientation of gag lever post (42) is kept away from the direction slope setting of slot central line, each gag lever post (42) are respectively with the corresponding support group (32) in position keep away from the side laminating at base (31) center.
8. The sewer pipe construction process of claim 7, wherein: and before the step S7, dismantling and recovering the limiting pieces (4).
9. The sewer pipe construction process of claim 1, wherein: before the step S7, four sides of the support member (3) are sealed by the template (5) to form a rectangular chamber (51), and the structural adhesive for coating one end of the sewage pipe (1) is poured into the rectangular chamber (51).
CN202011150696.8A 2020-10-24 2020-10-24 Sewage pipeline construction process Active CN112343152B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130054593A (en) * 2011-11-17 2013-05-27 이종석 Pipe adjustment apparatus and construction method thereof
CN104033654A (en) * 2014-06-10 2014-09-10 成都大漠石油机械有限公司 Supporting device for petroleum pipelines
CN110425340A (en) * 2019-07-16 2019-11-08 嵊州市越通非开挖建设有限公司 A kind of tube support arrangement for drainage system
CN110468939A (en) * 2019-07-16 2019-11-19 嵊州市越通非开挖建设有限公司 A kind of concrete reinforcement for seal for pipe joints junction
CN110886905A (en) * 2019-12-10 2020-03-17 陶凤然 Pipeline erecting device added with water blocking material
CN111005432A (en) * 2019-12-25 2020-04-14 惠州市新业建筑工程有限公司 Sewer line mounting structure
CN111677095A (en) * 2020-06-19 2020-09-18 中建富林集团有限公司 Construction method of drainage pipeline

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130054593A (en) * 2011-11-17 2013-05-27 이종석 Pipe adjustment apparatus and construction method thereof
CN104033654A (en) * 2014-06-10 2014-09-10 成都大漠石油机械有限公司 Supporting device for petroleum pipelines
CN110425340A (en) * 2019-07-16 2019-11-08 嵊州市越通非开挖建设有限公司 A kind of tube support arrangement for drainage system
CN110468939A (en) * 2019-07-16 2019-11-19 嵊州市越通非开挖建设有限公司 A kind of concrete reinforcement for seal for pipe joints junction
CN110886905A (en) * 2019-12-10 2020-03-17 陶凤然 Pipeline erecting device added with water blocking material
CN111005432A (en) * 2019-12-25 2020-04-14 惠州市新业建筑工程有限公司 Sewer line mounting structure
CN111677095A (en) * 2020-06-19 2020-09-18 中建富林集团有限公司 Construction method of drainage pipeline

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Denomination of invention: A sewage pipeline construction process

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