CN111485615B - Construction method of municipal rainwater and sewage diversion pipeline - Google Patents
Construction method of municipal rainwater and sewage diversion pipeline Download PDFInfo
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- CN111485615B CN111485615B CN202010321397.XA CN202010321397A CN111485615B CN 111485615 B CN111485615 B CN 111485615B CN 202010321397 A CN202010321397 A CN 202010321397A CN 111485615 B CN111485615 B CN 111485615B
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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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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
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- Engineering & Computer Science (AREA)
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Abstract
The invention relates to a construction method of a municipal rainwater and sewage diversion pipeline, which comprises the following steps: the method comprises the following steps: digging a groove according to design requirements; step two: mounting a groove side wall supporting structure; step three: mounting an assembled tube seat; placing the tube seats into the grooves, and then fixedly connecting the adjacent tube seats through the connecting assembly; step four: the rain and sewage shunt pipe is arranged in the pipe seat; the pipe seat is internally provided with a clamping assembly, the rain and sewage shunt pipe is placed on the clamping assembly, and then the rain and sewage shunt pipe is abutted and limited through an abutting assembly arranged on the clamping assembly; step five: covering the pipe seat cover and sequentially pulling out a plurality of parallel pulled-out Z-shaped steel sheet piles; step six: backfilling and compacting the trench. Compared with a concrete pipe seat cast in place, the pipe seat capable of being assembled in place is arranged on the groove, so that the construction time is shortened, the construction efficiency is improved, and meanwhile, a good supporting effect is achieved on the rain and sewage shunt pipe.
Description
Technical Field
The invention relates to the technical field of municipal engineering, in particular to a construction method of a municipal rainwater and sewage diversion pipeline.
Background
Rain and sewage flow is a drainage system, which is a sewage discharge mode that rainwater and sewage are separated and are respectively conveyed by a pipeline for discharge or subsequent treatment. For use in contaminated rivers. The rainwater and sewage diversion facilitates rainwater collection and utilization and centralized management and discharge, reduces the impact of water amount on the sewage treatment plant, and ensures the treatment efficiency of the sewage treatment plant.
During construction, a pipeline groove is generally excavated, then a foundation pit supporting structure is installed on the side wall of the groove, then a rain and sewage diversion pipeline is installed, and finally the foundation pit supporting structure is recycled and the groove is backfilled.
When some regions with loose soil are constructed, the rain and sewage diversion pipeline is directly placed in the excavated groove, and the rain and sewage diversion pipeline used for municipal engineering is generally large and heavy due to the influence of loose soil; from this, the condition of placing in the inslot rain and sewage reposition of redundant personnel pipeline can appear sinking takes place, and the rain and sewage reposition of redundant personnel pipeline on the same area different positions degree of sinking differs to make the connection between the adjacent rain and sewage reposition of redundant personnel pipeline take place the dislocation bending, and then easily make the damage of rain and sewage reposition of redundant personnel pipeline.
Disclosure of Invention
The invention aims to provide a construction method of a municipal rainwater and sewage distribution pipeline, which is characterized in that a pipe seat capable of being assembled on site is arranged on a groove, and compared with a concrete pipe seat poured on site, the construction method has the advantages of shortening construction time, improving construction efficiency and simultaneously playing a better supporting effect on a rainwater and sewage distribution pipeline.
The above object of the present invention is achieved by the following technical solutions:
the construction method of the municipal rainwater and sewage diversion pipeline comprises the following steps:
the method comprises the following steps: digging a groove according to design requirements; the method combining the excavator and manual excavation is adopted, firstly, the excavator is used for excavating the groove, and then manual groove cleaning is adopted to ensure that the bottom wall of the groove is smooth;
step two: mounting a groove side wall supporting structure; adopting a static pressure method to drive the Z-shaped steel sheet piles one by one, and enabling a plurality of Z-shaped steel sheet piles to be arranged in rows to form a foundation pit supporting structure;
step three: mounting an assembled tube seat; placing the tube seats into the grooves, and then fixedly connecting the adjacent tube seats through the connecting assembly;
step four: the rain and sewage shunt pipe is arranged in the pipe seat; the pipe seat is internally provided with a clamping assembly, the rain and sewage shunt pipe is placed on the clamping assembly, and then the rain and sewage shunt pipe is abutted and limited through an abutting assembly arranged on the clamping assembly;
step five: covering the pipe seat cover and sequentially pulling out a plurality of parallel pulled-out Z-shaped steel sheet piles; the tube seat cover is fixed on the upper opening of the tube seat through the fixing assembly;
step six: backfilling and compacting the groove; and backfilling the trench by using soil, and tamping the backfilled soil according to the design requirement by using a compactor.
By adopting the technical scheme, the pipe seat can be assembled and transported to the site on site or in a factory, and compared with a concrete pipe seat cast in site, the cement solidification time is reduced, and the effects of shortening the construction period and improving the construction efficiency are achieved; meanwhile, the contact area between the rain and sewage shunt tubes and the bottom wall of the groove is increased due to the existence of the tube seat, so that the rain and sewage shunt tubes are supported well, and the condition that the rain and sewage shunt tubes sink due to the fact that the bottom wall of the groove is loose is effectively reduced.
The invention is further configured to: in step three, the tube socket includes the backup pad and follows the vertical curb plate that upwards extends in the relative both sides of backup pad, and is same first slot and second slot have been seted up respectively to the relative both ends of curb plate, and is former first slot on the curb plate and latter second slot on the curb plate splice each other and form the holding tank jointly, coupling assembling sets up in the holding tank, coupling assembling includes and is connected in the complex plug connector with the holding tank and sets up the locking piece that is used for being fixed in the holding tank with the plug connector in the holding tank.
Through adopting above-mentioned technical scheme, with the plug connector plug in the holding tank that preceding tube socket and back tube socket formed, then lock the plug connector through the locking piece for the concatenation is accomplished between the adjacent two tube sockets, this fixed connection mode has labour saving and time saving, convenient and fast's effect than the concrete tube socket of cast in situ.
The invention is further configured to: the locking piece includes one end and the diapire fixed connection's of holding tank locking lever, rotates to be connected in the locking lever and keeps away from the locking piece of holding tank diapire one end and set up the locking hole on the plug connector, locking piece and locking hole all set up to the rectangle, and the cross sectional shape size of locking piece is less than the cross sectional shape size in locking hole, the locking piece passes one side looks butt of locking hole and plug connector holding tank dorsad.
Through adopting above-mentioned technical scheme, the locking hole passes locking piece and locking lever, then rotates the locking piece and makes locking piece and plug connector counterbalance tightly, is fixed in the holding tank with the plug connector from this in, this locking mode is simple, convenient.
The invention is further configured to: the locking pieces are arranged in two groups, and the two groups of locking pieces are arranged in the first slot and the second slot respectively.
Through adopting above-mentioned technical scheme, setting up of two sets of locking pieces makes the more fastening of plug connector lock in the holding tank.
The invention is further configured to: the middle part of one side of plug connector back to the holding tank diapire articulates there is the pull ring.
Through adopting above-mentioned technical scheme, the setting of pull ring is convenient for the staff to take out the plug connector after the unblock from the holding tank through the pull ring.
The invention is further configured to: in step four, the vertical articulated groove that makes progress of notch has been seted up at the middle part of backup pad, the centre gripping subassembly is including setting up in the connector of articulated inslot and setting up in connector back of the body to articulated tank bottom wall one side middle part and all with two arc splint of connector articulated, two the arc mouth of arc splint sets up relatively, two arc splint form the cavity that holds the rain and sewage shunt tubes.
Through adopting above-mentioned technical scheme, the cavity that two arc splint formed is used for the centre gripping to place the dirty shunt tubes of rain in the tube socket to play spacing effect to the dirty shunt tubes of rain who installs in the tube socket, the dirty shunt tubes of rain of being convenient for splice in different tube sockets fixedly.
The invention is further configured to: in the fourth step, the abutting component comprises a threaded hole arranged at one end, far away from the connector, of the arc-shaped clamping plate and a bolt in threaded connection with the threaded hole. One end of the bolt, which is far away from the head of the bolt, extends into the cavity through the threaded hole.
Through adopting above-mentioned technical scheme, the bolt passes the one end of screw hole and offsets tightly with the outer peripheral face of the dirty shunt tubes of rain, plays the effect of fastening to the dirty shunt tubes of rain who installs in the centre gripping subassembly, effectively reduces the dirty shunt tubes of rain and rocks the condition emergence in the centre gripping subassembly.
The invention is further configured to: and in the fifth step, the fixing component comprises a first mortise arranged in the middle of one side of the side plate far away from the supporting plate, a second mortise arranged on the tube seat cover and corresponding to the first mortise in position, and a wood tenon strip inserted in the first mortise and the second mortise.
Through adopting above-mentioned technical scheme, with the relative both ends of wooden tenon strip plug into first tongue-and-groove and second tongue-and-groove respectively in, be fixed in the tube socket with the tube socket lid from this on, the setting of tube socket lid plays the effect of protection to the dirty shunt tubes of rain in the tube socket, reduces the dirty shunt tubes of rain and takes place by the condition of the microorganism corruption in earth.
In conclusion, the invention has the following beneficial effects:
1. the pipe seat can be assembled on site or transported to the site in a factory, and compared with a concrete pipe seat cast on site, the cement solidification time is reduced, and the effects of shortening the construction period and improving the construction efficiency are achieved; meanwhile, the contact area of the rain and sewage shunt pipe and the bottom wall of the groove is increased due to the existence of the pipe seat, so that the rain and sewage shunt pipe is better supported, and the condition that the rain and sewage shunt pipe sinks due to the fact that the bottom wall of the groove is loose is effectively reduced;
2. in advancing the holding tank that preceding tube socket and back tube socket formed with the plug connector plug-in connection, then lock the plug connector through the locking piece for the concatenation is accomplished between the adjacent two tube sockets, and this fixed connection mode has labour saving and time saving, convenient and fast's effect than the concrete tube socket of cast in situ.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a structural schematic diagram of the Z-shaped steel sheet pile of the present invention.
FIG. 3 is a schematic view of the tube seat, tube seat cover, and connecting assembly of the present invention.
Fig. 4 is an enlarged schematic view of a portion a in fig. 3.
In the figure: 1. a trench; 11. leveling mortar; 12. z-shaped steel sheet piles; 121. a base plate; 122. a web; 123. locking the opening; 2. a tube holder; 21. a support plate; 211. a hinge slot; 22. a side plate; 221. a first slot; 222. a second slot; 223. accommodating grooves; 3. a connecting assembly; 31. a plug-in unit; 311. connecting blocks; 312. a semicircular connecting plate; 313. a pull ring; 32. a locking member; 321. a locking lever; 322. a locking block; 323. a locking hole; 4. a rain and sewage shunt pipe; 5. a clamping assembly; 51. a linker; 52. an arc-shaped splint; 6. a propping component; 61. a bolt; 7. a tube seat cover; 8. a fixing assembly; 81. a first tongue-and-groove; 82. a second mortise; 83. wooden tenon strip.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figures 1 and 2, the construction method of the municipal rainwater and sewage diversion pipeline disclosed by the invention comprises the following steps of:
the method comprises the following steps: the trench 1 is excavated as required by design. The method is characterized in that an excavator and manual excavation are combined, the excavator is used for excavating a groove 1 with the depth of 25cm, then the manual groove cleaning mode is adopted for trowelling the interior of the groove 1, a mortar leveling layer 11 is laid at the bottom of the groove 1, and the bottom wall of the groove 1 is guaranteed to be smooth.
Step two: and (3) installing a supporting structure on the side wall of the groove 1. And (3) driving the Z-shaped steel sheet piles 12 one by adopting a static pressure method, and enabling a plurality of Z-shaped steel sheet piles 12 to be arranged in parallel to form a foundation pit supporting structure. Each Z-shaped steel sheet pile 12 includes a bottom plate 121 and webs 122 disposed on opposite sides of the bottom plate 121, each side of the two webs 122 away from each other is provided with a locking notch 123 continuous with the web 122, and the locking notch 123 and the webs 122 continuously and greatly improve the section modulus and the bending rigidity, and ensure that the mechanical characteristics of the section can be fully exerted. Adjacent Z-shaped steel sheet piles 12 are spliced and fixed through locking openings 123 to form a foundation pit supporting structure.
Step three: and (4) mounting the assembled socket 2. As shown in fig. 1 and 3, the tube seats 2 are placed in the grooves 1, then the adjacent tube seats 2 are fixedly connected through the connecting assembly 3, each tube seat 2 includes a support plate 21 and two side plates 22, the two side plates 22 are respectively and vertically fixed on two opposite sides of the support plate 21, a first slot 221 and a second slot 222 are respectively formed in two opposite ends of the same side plate 22, the first slot 221 on the front side plate 22 and the second slot 222 on the rear side plate 22 are mutually spliced to form an accommodating groove 223, and the connecting assembly 3 is disposed in the accommodating groove 223.
As shown in fig. 1 and 4, the connecting assembly 3 includes a plug 31 and a locking member 32; the plug connector 31 comprises a connecting block 311 and semicircular connecting plates 312 arranged at two opposite ends of the connecting block 311, the arc-shaped surfaces of the semicircular connecting plates 312 are back to back, and the semicircular connecting plates 312 are respectively in plug fit with the first slot 221 and the second slot 222. The locking piece 32 comprises a locking rod 321, a locking block 322 and a locking hole 323 arranged on the semicircular connecting plate 312, one end of the locking rod 321 is fixedly connected with the bottom wall of the accommodating groove 223, and the other end is rotatably connected with the locking block 322; the locking block 322 and the locking hole 323 are both rectangular, the size of the cross section of the locking block 322 is smaller than that of the cross section of the locking hole 323, and the locking block 322 passes through the locking hole 323 to abut against one side of the semicircular connecting plate 312, which is back to the accommodating groove 223. The middle part of one side of the connecting block 311 back to the bottom wall of the accommodating groove 223 is hinged with a pull ring 313. The locking members 32 are provided in two sets, and the two sets of locking members 32 are respectively disposed in the first slot 221 and the second slot 222.
Step four: the rain and sewage shunt pipe 4 is arranged in the pipe base 2. As shown in fig. 1 and 4, a holding assembly 5 is arranged in the tube seat 2, the rain and sewage shunt tubes 4 are placed into the holding assembly 5 to limit the rain and sewage shunt tubes 4, and then the rain and sewage shunt tubes 4 are tightly abutted through an abutting assembly 6 arranged on the holding assembly 5.
As shown in fig. 1, the middle portion of the supporting plate 21 is provided with a slot opening which is vertically hinged to the upper portion 211, and the clamping assembly 5 comprises a connecting body 51 and two arc-shaped clamping plates 52 hinged to the middle portion of the connecting body 51; one side of the connecting body 51 back to the two arc-shaped clamping plates 52 is fixedly connected with the bottom wall of the hinge groove 211, the arc openings of the two arc-shaped clamping plates 52 are oppositely arranged, and the two arc-shaped clamping plates 52 form a cavity for accommodating the rain and sewage shunt tubes. The abutting assembly 6 comprises a threaded hole formed in one end, far away from the connecting body 51, of the arc-shaped clamping plate 52 and a bolt 61 in threaded connection with the threaded hole, and one end, far away from the head, of the bolt 61 penetrates through the threaded hole to abut against the outer peripheral surface of the rain and sewage shunt pipe 4.
Step five: covering the pipe seat cover 7 and sequentially pulling out a plurality of parallel Z-shaped steel plate piles 12; the socket cover 7 is fixed to the upper opening of the socket 2 by a fixing member 8.
As shown in fig. 1, the fixing member 8 includes a first mortise 81, a second mortise 82, and a wood strip 83; the first mortise 81 is arranged in the middle of one side of the side plate 22 far away from the support plate 21, the second mortise 82 is arranged on the pipe seat cover 7, the positions of the second mortise 82 and the first mortise 81 are corresponding, and the wood tenon strip 83 is inserted into the first mortise 81 and the second mortise 82.
Step six: backfilling and compacting the groove 1; and (3) backfilling the groove 1 with soil, and tamping the backfilled soil according to design requirements by using a compactor to ensure that the compactness reaches over 95 percent.
The implementation principle of the embodiment is as follows: the sockets 2 can be assembled on site or in the factory and transported to the site, i.e.: rotating the locking blocks 322 in the first slot 221 and the second slot 222 to make the direction of the locking block 322 consistent with the direction of the locking hole 323 between the semicircular connecting plates 312, inserting the plug connector 31 into the accommodating groove 223, at this time, the locking hole 323 passes through the locking block 322 and the locking lever 321, rotating the locking block 322 to make the direction of the locking block 322 misplaced with the direction of the locking hole 323, and meanwhile, the locking block 322 abuts against the semicircular connecting plates 312 to complete the splicing between the adjacent tube bases 2; compared with a concrete pipe seat cast in situ, the cement solidification time is reduced, and the effects of shortening the construction period and improving the construction efficiency are achieved; clamping the rain and sewage shunt tube 4 between the two arc-shaped clamping plates 52, and then connecting the bolt 61 with the threaded hole in a threaded manner, so that one end of the bolt 61, which is far away from the head part, is abutted against the outer peripheral surface of the rain and sewage shunt tube 4; the socket cover 7 is covered on the socket 2 under the inserting and matching action of the wood tenon strip 83 and the first mortise 81 and the second mortise 82.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. The construction method of the municipal rainwater and sewage diversion pipeline is characterized by comprising the following steps:
the method comprises the following steps: excavating a groove (1) according to design requirements; the method combining the excavator and manual excavation is adopted, firstly, the excavator is used for excavating the groove (1), and then manual groove cleaning is adopted to ensure that the bottom wall of the groove (1) is smooth;
step two: mounting a side wall supporting structure of the groove (1); driving the Z-shaped steel sheet piles (12) one by adopting a static pressure method, and enabling a plurality of Z-shaped steel sheet piles (12) to be arranged in rows to form a foundation pit supporting structure;
step three: mounting the assembled tube seat (2); the tube seats (2) are placed in the grooves (1), then the adjacent tube seats (2) are fixedly connected through the connecting component (3), the tube seat (2) comprises a support plate (21) and side plates (22) vertically extending upwards along two opposite sides of the support plate (21), a first slot (221) and a second slot (222) are respectively arranged at two opposite ends of the same side plate (22), the first slot (221) on the front side plate (22) and the second slot (222) on the rear side plate (22) are mutually spliced to form an accommodating groove (223), the connecting assembly (3) is arranged in the accommodating groove (223), and the connecting assembly (3) comprises a plug connector (31) which is in plug-in fit with the accommodating groove (223) and a locking piece (32) which is arranged in the accommodating groove (223) and used for fixing the plug connector (31) in the accommodating groove (223);
step four: the rain and sewage shunt pipe (4) is arranged in the pipe seat (2); a clamping assembly (5) is arranged in the pipe seat (2), the rain and sewage shunt pipe (4) is placed on the clamping assembly (5), and then the rain and sewage shunt pipe (4) is abutted and limited through an abutting assembly (6) arranged on the clamping assembly (5);
step five: covering the pipe seat (2) and sequentially pulling out a plurality of parallel pulled-out Z-shaped steel sheet piles (12); the cover of the tube seat (2) is fixed on the upper opening of the tube seat (2) through a fixing component (8);
step six: backfilling and compacting the groove (1); and (3) backfilling the trench (1) by using soil, and tamping the backfilled soil according to the design requirement by using a compactor.
2. The method for constructing the municipal rainwater and sewage diversion pipeline according to claim 1, wherein: locking piece (32) include one end and holding tank (223) diapire fixed connection's locking lever (321), rotate and connect in locking lever (321) keep away from locking piece (322) of holding tank (223) diapire one end and set up locking hole (323) on plug connector (31), locking piece (322) and locking hole (323) all set up to the rectangle, and the cross sectional shape size of locking piece (322) is less than the cross sectional shape size of locking hole (323), locking piece (322) pass locking hole (323) and plug connector (31) one side looks butt to holding tank (223) dorsad.
3. The method of claim 2, wherein the method comprises the following steps: the locking pieces (32) are arranged in two groups, and the two groups of locking pieces (32) are respectively arranged in the first slot (221) and the second slot (222).
4. The method of claim 3, wherein the method comprises the following steps: the middle part of one side of the bottom wall of the accommodating groove (223) back to the plug connector (31) is hinged with a pull ring (313).
5. The method for constructing the municipal rainwater and sewage diversion pipeline according to claim 1, wherein: in the fourth step, the middle part of backup pad (21) has been seted up the vertical upwards hinge groove of notch (211), centre gripping subassembly (5) including set up connector (51) in hinge groove (211) and set up in connector (51) back of the body hinge groove (211) diapire one side middle part and all with connector (51) two articulated arc splint (52), two the arc mouth of arc splint (52) sets up relatively, two arc splint (52) form the cavity that holds rain and sewage shunt tubes (4).
6. The method for constructing the municipal rainwater and sewage diversion pipeline according to claim 1, wherein: in the fourth step, the abutting assembly (6) comprises a threaded hole formed in one end, far away from the connecting body (51), of the arc-shaped clamping plate (52) and a bolt (61) in threaded connection with the threaded hole, and one end, far away from the head of the bolt (61), of the bolt passes through the threaded hole and extends into the cavity.
7. The method for constructing the municipal rainwater and sewage diversion pipeline according to claim 1, wherein: in the fifth step, the fixing component (8) comprises a first mortise (81) arranged in the middle of one side of the side plate (22) far away from the support plate (21), a second mortise (82) arranged on the cover of the tube seat (2) and corresponding to the first mortise (81), and a wood tenon strip (83) inserted into the first mortise (81) and the second mortise (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010321397.XA CN111485615B (en) | 2020-04-22 | 2020-04-22 | Construction method of municipal rainwater and sewage diversion pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010321397.XA CN111485615B (en) | 2020-04-22 | 2020-04-22 | Construction method of municipal rainwater and sewage diversion pipeline |
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| Publication Number | Publication Date |
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| CN111485615A CN111485615A (en) | 2020-08-04 |
| CN111485615B true CN111485615B (en) | 2021-02-26 |
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| CN202010321397.XA Active CN111485615B (en) | 2020-04-22 | 2020-04-22 | Construction method of municipal rainwater and sewage diversion pipeline |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100726849B1 (en) * | 2004-12-10 | 2007-06-11 | (주)케이지엔지니어링 | Device of reclaim stabilization for drain pipe |
| CN107401207B (en) * | 2017-09-11 | 2019-05-31 | 垠星建设有限公司 | The construction method of drainage pipeline |
| CN108316311B (en) * | 2018-02-10 | 2020-05-19 | 浙江泉峰建筑园林有限公司 | Supporting construction suitable for municipal building foundation ditch and foundation trench |
| CN108894300A (en) * | 2018-06-02 | 2018-11-27 | 安徽砼宇特构科技有限公司 | A kind of positioning and assembling device of concrete pipe abnormity component |
| CN110306644A (en) * | 2019-05-23 | 2019-10-08 | 浙江沧海建设有限公司 | The construction method of municipal rain sewage diversion pipeline |
| CN111005431B (en) * | 2019-12-25 | 2021-06-04 | 惠州市新业建筑工程有限公司 | Municipal pipeline mounting structure and construction method thereof |
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