CN116752623B - Construction method for connecting old and new sewage wells without stopping water - Google Patents
Construction method for connecting old and new sewage wells without stopping water Download PDFInfo
- Publication number
- CN116752623B CN116752623B CN202311002161.XA CN202311002161A CN116752623B CN 116752623 B CN116752623 B CN 116752623B CN 202311002161 A CN202311002161 A CN 202311002161A CN 116752623 B CN116752623 B CN 116752623B
- Authority
- CN
- China
- Prior art keywords
- arc
- old
- shaped water
- water baffle
- shaped
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 151
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 238000010276 construction Methods 0.000 title claims abstract description 34
- 238000005553 drilling Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 30
- 239000004567 concrete Substances 0.000 claims description 19
- 239000010802 sludge Substances 0.000 claims description 8
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 238000005086 pumping Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 description 12
- 239000004576 sand Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 235000006506 Brasenia schreberi Nutrition 0.000 description 1
- 244000267222 Brasenia schreberi Species 0.000 description 1
- 238000006424 Flood reaction Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011383 glass concrete Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/06—Placing concrete under water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/125—Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the lining of the shaft
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
-
- 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
- E03F2003/065—Refurbishing of sewer pipes, e.g. by coating, lining
Abstract
The application relates to the technical field of sewage well connection construction, and provides a new and old sewage well connection construction method without stopping water, which comprises the following steps: s1: constructing a new sewage well; s2: arc breakwater installation: placing the arc-shaped water baffle into the old sewage well, and enabling the two opposite side edges of the arc-shaped water baffle to abut against the side wall of the old sewage well, which is to be provided with the connection hole; s3: the gap between the side edge of the arc-shaped water baffle and the side wall of the connecting hole to be formed in the old sewage well is blocked; the gap between the bottom end of the arc-shaped water baffle and the bottom wall of the old sewage well is blocked; s4: pumping out sewage between the arc-shaped water baffle and the side wall of the old sewage well to be provided with the connection hole; s5: and (3) connection construction: drilling a connection hole between the new sewage well and the old sewage well and installing a connection pipe in the connection hole; s6: and (5) dismantling the arc-shaped water baffle. The method has the effect of reducing normal use of the sewage main pipe by connection construction of new and old sewage wells.
Description
Technical Field
The application relates to the field of sewage well connection construction, in particular to a new and old sewage well connection construction method without stopping water.
Background
In the extension process of the urban underground sewage drainage pipe network, the new sewage well and the old sewage well are required to be connected according to the drainage requirement, so that sewage in the new sewage well can be converged into the sewage drainage main pipe communicated with the old sewage well.
At present, when a new sewage well and an old sewage well are connected, a connection hole is drilled between the new sewage well and the old sewage well, and a connection pipe is installed in the connection hole so as to realize connection and communication between the new sewage well and the old sewage well. In order to reduce the plugging hole drilling process, sewage in the old sewage well floods into the plugging hole in the construction process, the safety of constructors is threatened, temporary water interception and drainage adjustment operation is needed to be performed on the old sewage well to be plugged before the plugging hole drilling operation, so that after a dry operation space is formed, drilling construction of the plugging hole is performed.
For the above related technology, as shown in fig. 1, when the temporary interception and drainage operation is performed on the old bilge well 11 to be connected at present, a constructor needs to submerge under water and then first plug the water inlet end and the water outlet end of the sewage main pipe 1 in the old bilge well 11 to be constructed by using the air bag member 10 under water; the old sewage well 11 at the upstream and downstream of the sewage main pipe 1 is temporarily communicated through a temporary drainage pipeline; the temporary interception and drainage operation of the old bilge well 11 to be connected is realized. The operation mode needs to be operated underwater, and the construction difficulty is high; and the water level at the upstream of the main sewage pipe 1 is easy to rise due to the limitation of the flow of the temporary discharge regulating pipeline, so that the phenomenon of road flooding occurs, and the normal use of the main sewage pipe 1 is seriously influenced.
Disclosure of Invention
In order to reduce the normal and practical influence of the connection construction of the new and old sewage wells on the sewage main pipe, the application provides a connection construction method without stopping water for the new and old sewage wells.
The application provides a new and old sewage well water-free connection construction method, which adopts the following technical scheme:
the construction method for connecting the old and new sewage wells without stopping water comprises the following steps:
s1: constructing a new sewage well;
s2: arc breakwater installation: placing the arc-shaped water baffle into the old sewage well, and enabling the two opposite side edges of the arc-shaped water baffle to abut against the side wall of the old sewage well, which is to be provided with the connection hole;
s3: the gap between the side edge of the arc-shaped water baffle and the side wall of the connecting hole to be formed in the old sewage well is blocked; the gap between the bottom end of the arc-shaped water baffle and the bottom wall of the old sewage well is blocked;
s4: pumping out sewage between the arc-shaped water baffle and the side wall of the old sewage well to be provided with the connection hole;
s5: and (3) connection construction: drilling a connection hole between the new sewage well and the old sewage well and installing a connection pipe in the connection hole;
s6: and (5) dismantling the arc-shaped water baffle.
By adopting the technical scheme, after the gaps between the bottom end of the arc-shaped water baffle and the bottom wall of the old sewage well and the gaps between the side edges of the arc-shaped water baffle and the side walls of the old sewage well are blocked, the sewage between the inner periphery of the arc-shaped block and the side walls of the old sewage well is pumped out, so that a dry operation space can be formed between the inner periphery of the arc-shaped water baffle and the side walls of the old sewage well; and the sewage at the periphery of the arc-shaped block can normally flow in the sewage main pipe, so that the operation of intercepting, adjusting and discharging the sewage in the old sewage well is not needed, and the influence of the connection operation of the new sewage well and the old sewage well on the sewage main pipe is reduced.
Preferably, the top end of the arc-shaped water baffle is coaxially provided with an arc-shaped through groove; the inner periphery of the arc-shaped water baffle is connected with two connecting plates; the two connecting plates are respectively positioned at two opposite sides of the inner periphery of the arc-shaped water baffle, the opposite sides of the two connecting plates are fixedly connected with sealing air bags, and the two ends of the sealing air bags extend to the top end and the bottom end of the arc-shaped water baffle respectively; the top end of the sealing air bag is communicated with an air inlet pipe;
in step S3, injecting gas into the sealing air bag through the gas inlet pipe to expand the sealing air bag so as to seal a gap between the side edge of the arc-shaped water baffle and the side wall of the old sewage well;
in step S3, injecting underwater concrete into the bottom of the arc-shaped through groove to form an arc-shaped water stop belt so as to seal a gap between the bottom end of the arc-shaped water stop plate and the bottom wall of the old sewage well.
By adopting the technical scheme, the sealing of the gap between the arc-shaped water baffle and the side wall of the old sewage well and the gap between the arc-shaped water baffle and the bottom wall of the old sewage well are realized, and the condition that sewage on the periphery of the follow-up arc-shaped water baffle permeates into a dry working space formed by the inner periphery of the annular water stop block and the side wall of the old sewage well to be provided with a connection hole is limited.
Preferably, in step S2, when the arc-shaped water baffle is placed in the old sewage well, the sealing air bag is folded and stored, and the folded and stored sealing air bag is temporarily adhered and fixed on the connecting plate through the waterproof adhesive tape.
Through adopting above-mentioned technical scheme, when reducing to drop arc breakwater to old bilge well in, sealed gasbag leads to sealed gasbag to take place the friction with old bilge well lateral wall easily because of the protrusion outside the connecting plate, and then causes the circumstances of sealed gasbag wearing and tearing, when follow-up gas injection in the sealed gasbag, sealed gasbag inflation can jack-up waterproof adhesive tape by oneself to realize sealed gasbag's normal deployment.
Preferably, in step S4, sludge and sewage at the bottom of the arc-shaped through tank are pumped out by a sludge pump before the underwater concrete is injected into the bottom of the arc-shaped through tank.
Through adopting above-mentioned technical scheme, be favorable to improving the degree of combining between follow-up concrete under water and the old bilge well diapire, and then be favorable to being convenient for annular waterstop can seal the clearance between arc breakwater bottom and the old bilge well diapire better.
Preferably, in step S2, after the opposite sides of the arc-shaped water baffle are abutted against the side wall of the connecting hole to be formed in the old sewage well, one end of the groove wall of the two sides of the arc-shaped through groove, which extends out of the water surface, is fixed on the side wall of the connecting hole to be formed in the old sewage well through expansion bolts.
Through adopting above-mentioned technical scheme, realize spacing fixed to the arc breakwater, restriction arc breakwater side breaks away from with old sewage well lateral wall to reduce when follow-up inflation makes sealed gasbag inflation, the circumstances of the lateral wall of opening the hole of plugging into with arc breakwater side top away from old sewage well with the sealed gasbag of inflation.
Preferably, a plurality of clamping rods are arranged at the bottom of the arc-shaped through groove; two ends of the clamping connection rod are respectively connected to the groove walls at two opposite sides of the arc-shaped through groove.
By adopting the technical scheme, after the arc-shaped water stop is formed by injecting underwater concrete into the bottom of the arc-shaped through groove, a plurality of clamping rods can be clamped and fixed in the annular water stop; when the arc-shaped water baffle is subsequently dismantled, the arc-shaped water baffle can take the annular water stop out of the old sewage well together through a plurality of clamping rods, the residual annular water stop in the old sewage well is not required to be subsequently and independently dismantled, and the annular water stop is convenient to dismantle.
Preferably, in step S5, before the connection hole is drilled, a flexible collecting net is laid between the inner periphery of the arc-shaped water baffle and the side wall of the old sewage well to be provided with the connection hole, and the flexible collecting net is located below the connection hole drilling hole site.
Through adopting above-mentioned technical scheme, follow-up boring is established and is connected that most grit waste materials that the hole produced etc. can fall into flexible collection net, follow-up can be with flexible collection net and flexible collection net in collection grit waste material shift out old sewage well in, reduce the condition that the grit waste material scatter that the hole produced at the hole was connected and lead to the fact the clearance difficulty at old sewage well diapire.
Preferably, in step S5, after the flexible collecting net is laid, the connecting ropes are bound around the flexible collecting net, and one end of the connecting ropes far away from the flexible collecting net is fixed on the ground.
Through adopting above-mentioned technical scheme, follow-up plugging hole bores and establishes the back, and flexible collection net internal collection grit waste material etc. hang out old sewage well with flexible collection net four sides's connecting rope, and the concentrated of grit waste material of being convenient for is transported the clearance.
In summary, the present application includes at least one of the following beneficial technical effects:
1. installing an arc-shaped water baffle on the side wall of the old sewage well to be provided with the connection hole, and plugging the gap between the bottom end of the arc-shaped water baffle and the bottom wall of the old sewage well and the gap between the side edge of the arc-shaped water baffle and the side wall of the old sewage well to be provided with the connection hole; finally, the sewage between the inner periphery of the arc-shaped water baffle and the side wall of the old sewage well to be provided with the connection hole is pumped out; a dry operation space for subsequent plugging hole drilling construction can be formed between the inner periphery of the arc-shaped water baffle and the side wall of the old sewage well, and interception and drainage adjustment construction on the old sewage well is not needed; the influence of connection construction of new and old sewage wells on normal use of the sewage main pipe is reduced.
2. Before pouring underwater concrete to the bottom of the arc-shaped through groove, extracting sewage and sludge in the arc-shaped through groove; so that the combination degree between the underwater concrete and the bottom wall of the old sewage well can be improved when the underwater concrete is injected into the bottom of the arc-shaped through groove.
3. A plurality of clamping rods are arranged at the bottom of the arc-shaped through groove, and after underwater concrete is injected into the bottom of the arc-shaped through groove to form an arc-shaped water stop belt, the clamping rods can be clamped and fixed on the arc-shaped water stop belt; and when the arc-shaped water baffle is conveniently lifted out of the old water well in the follow-up process, the arc-shaped water baffle can take the arc-shaped water baffle out of the old sewage well together through a plurality of clamping rods.
Drawings
Fig. 1 is a schematic diagram of the present application for illustrating an old bilge well interception and drainage construction.
Fig. 2 is a schematic view of an embodiment of the present application for illustrating the installation of an arcuate water deflector into an old bilge well.
Fig. 3 is a schematic view of an embodiment of the present application illustrating the bracing of a flexible collection screen in front of the inner perimeter of the arcuate water deflector and the old bilge well sidewall.
Fig. 4 is an enlarged schematic view of the portion a in fig. 2.
Fig. 5 is an enlarged schematic view of the portion B in fig. 3.
Fig. 6 is a schematic view illustrating the structure of the bottom of the arc-shaped water shield according to the embodiment of the present application.
Reference numerals illustrate:
1. a sewage main pipe; 10. an air bag member; 11. old bilge wells; 110. a connection hole; 111. connecting a pipe; 12. a new bilge well; 2. an arc-shaped water baffle; 21. arc through grooves; 22. a connecting plate; 23. sealing the air bag; 231. an air inlet pipe; 24. a clamping rod; 3. an arc-shaped water stop; 4. a flexible collection web; 41. and (5) connecting ropes.
Detailed Description
The present application is described in further detail below in conjunction with figures 2-6.
The embodiment of the application discloses a new and old sewage well water-free connection construction method, which comprises the following steps:
s1: constructing a new bilge well 12;
s2: arc breakwater 2 installation: referring to fig. 2 and 3, the arc-shaped water baffle 2 is clamped and placed in the old sewage well 11 by the aid of the truck crane and the vibrating hammer; the bottom end of the arc-shaped water baffle 2 is tightly attached to the bottom wall of the old sewage well 11, and the two opposite side edges of the arc-shaped water baffle 2 are tightly attached to the side wall of the old sewage well 11, on which the connection hole 110 is to be formed;
rubber layers are adhered to the surfaces of the two opposite side edges of the arc-shaped water baffle 2; the top end is coaxially provided with an arc-shaped through groove 21, and two opposite sides of the arc-shaped through groove 21 respectively extend two opposite sides of the arc-shaped water baffle 2.
Referring to fig. 2 and 4, two groups of connecting plates 22 are fixedly connected to the inner periphery of the arc-shaped water baffle 2; the two groups of connecting plates 22 are respectively positioned at two opposite sides of the inner periphery of the arc-shaped water baffle 2; the length direction of the connecting plate 22 is radially parallel to the arc-shaped water baffle 2, and the two ends of the connecting plate 22 along the length direction extend to the top end and the bottom end of the arc-shaped water baffle 2 respectively; the sides of the two connecting plates 22, which are away from each other, are provided with sealing air bags 23; the sealing air bag 23 is fixed on the connecting plate 22, and the two ends of the sealing air bag 23 along the length direction extend to the top end and the bottom end of the arc-shaped water baffle 2 respectively; the top end of the sealing air bag 23 is also communicated with an air inlet pipe 231.
When the arc-shaped water baffle 2 is installed in the old sewage well 11, the sealing air bag 23 is folded and stored in the connecting plate 22, and the folded and stored sealing air bag 23 is adhered and fixed on the connecting plate 22 through the waterproof adhesive tape, so that temporary fixation of the sealing air bag 23 is realized; to restrict the sealing bladder 23 from protruding out of the connection plate 22, resulting in the sealing bladder 23 protruding out of the connection plate 22 rubbing against the sidewall of the old bilge well 11 when the arc-shaped water deflector 2 is put into the old bilge well 11, resulting in the sealing bladder 23 being easily worn.
S3: referring to fig. 4 and 5, the gap between the side edge of the arc-shaped water baffle 2 and the side wall of the old sewage well 11 where the connection hole 110 is to be formed is blocked; the gap between the bottom end of the arc-shaped water baffle 2 and the bottom wall of the old sewage well 11 is blocked; the method comprises the following specific steps:
s3.1: one end of the groove walls on two sides of the arc-shaped through groove 21, which extends out of the water surface, is fixed on the side wall of the connecting hole 110 to be formed in the old sewage well 11 through a plurality of expansion bolts;
s3.2: the air is inflated into the sealing air bag 23 through the air inlet pipe 231, and the waterproof adhesive tape is ejected and unfolded in the inflation process of the sealing air bag 23; the gap between the side edge of the arc-shaped water baffle 2 and the side wall of the connecting hole 110 to be formed in the old sewage well 11 is blocked by using an expanded sealing air bag 23;
s3.3: the sewage and the sludge in the annular through groove are pumped out by a sludge pump;
s3.4: and injecting underwater concrete into the bottom of the annular through groove to form an arc-shaped water stop belt 3 for blocking the gap between the bottom end of the annular water stop block and the bottom wall of the old sewage well 11. In other embodiments, the underwater concrete may be replaced with water glass concrete.
When the underwater concrete is injected, after a plurality of grouting pipes extend to the bottom of the annular through groove, the underwater concrete is injected and the grouting pipes are moved upwards, until the pouring of the arc-shaped water stop belt 3 is completed.
The limiting and fixing of the arc-shaped water baffle 2 can be realized by fixing the groove walls on two sides of the arc-shaped through groove 21 on the side wall of the connecting hole 110 to be formed in the old sewage well 11 pipe; so as to reduce the situation that the side edge of the arc-shaped water baffle 2 is propped away from the side wall of the connecting hole 110 to be formed of the old sewage well 11 pipe in the subsequent inflating process of the sealing air bag 23.
By pumping out sludge at the bottom of the arc-shaped through groove 21 before injecting the underwater concrete; the joint degree between the subsequent underwater concrete and the bottom wall of the old sewage well 11 is improved, and the gap between the arc-shaped water baffle 2 and the bottom wall of the sewage well is further sealed conveniently through the arc-shaped water stop 3.
S4: the sewage between the inner periphery of the arc-shaped water baffle 2 and the inner side wall of the old sewage well 11 to be provided with the connection hole 110 is pumped out by a water pump to form a dry working space.
S5: and (3) connection construction: referring to fig. 3 and 5, a connection hole 110 is drilled between the new bilge well 12 and the old bilge well 11 and a connection pipe 111 is installed in the connection hole 110; the concrete construction steps are as follows:
s5.1: paving a flexible collecting net 4 on the inner periphery of the arc-shaped water baffle 2 and one side of the old sewage well 11, which is to be provided with the connection hole 110, and positioning the flexible collecting net 4 below the drilling hole position of the connection hole 110;
s5.2: sectionally excavating a connection hole 110 at the new sewage well 12 by adopting a water mill drill; simultaneously jacking the connection pipe 111 in sections until the connection of the new sewage well 12 and the old sewage well 11 is realized;
s5.3: the flexible collecting net 4 and the sand and gravel waste collected by the flexible collecting net 4 are cleaned.
Through lay flexible collection net 4 in old bilge well 11's the hole 110 drilling hole site below of plugging into, be convenient for plug into hole 110 bore and establish the grit waste material that produces when old bilge well 11 can fall into on the flexible collection net 4, follow-up with the grit waste material that flexible collection net 4 and flexible collection net 4 collected shift out old bilge well 11 outside, alright realize the clearance of the grit waste material that plug into hole 110 drilling produced, reduce the grit waste material that plug into hole 110 drilling and produce and pile up the condition in old bilge well 11 bottom.
In step S5.1, when the flexible collecting net 4 is laid, after the flexible collecting net 4 is spread out at the bottom of the old sewage well 11, the connecting ropes 41 are bound around the flexible collecting net 4, and finally, one end of the connecting ropes 41 far away from the flexible collecting net 4 is temporarily fixed on the ground through steel drills.
In step S5.3, the flexible collecting net 4 and the sand and gravel waste collected by the flexible collecting net 4 are removed out of the old sewer flushing well 11 by means of a plurality of connecting ropes 41, so that the flexible collecting net 4 and the sand and gravel waste collected by the flexible collecting net 4 are conveniently removed out of the old sewer flushing well 11.
S6: the arc-shaped water baffle 2 is dismantled, and the concrete construction steps are as follows:
s6.1: dismantling expansion bolts on the groove walls on two sides of the arc-shaped through groove 21;
s6.2: releasing the gas in the sealed air bag 23;
s6.3: the arc-shaped water baffle 2 is clamped and moved out of the old sewage well 11 by the aid of the automobile crane and the vibrating hammer.
Referring to fig. 5 and 6, a plurality of clamping rods 24 are further arranged at the bottom of the arc-shaped through groove 21, and the plurality of clamping rods 24 are uniformly distributed around the axis of the arc-shaped through groove 21; both ends of the clamping rod 24 are respectively and fixedly connected to the groove walls on two opposite sides of the arc-shaped through groove 21. Through the arrangement of a plurality of clamping rods 24 at the bottom of the arc-shaped through groove 21; when the underwater concrete is injected into the bottom of the arc-shaped through groove 21 to form the arc-shaped water stop belt 3 in the earlier stage; the plurality of clamping rods 24 can be clamped and fixed in the arc-shaped water stop belt 3, and when the arc-shaped water stop plate 2 is subsequently moved out of the old sewage well 11, the arc-shaped water stop plate 2 can bring the arc-shaped water stop belt 3 out of the old sewage well 11 together through the plurality of clamping rods 24, so that the arc-shaped water stop belt 3 can be cleaned conveniently.
According to the method, the arc-shaped water baffle 2 is arranged on the side wall of the old sewage well 11 to be provided with the connection hole 110, and after a gap between the bottom end of the arc-shaped water baffle 2 and the bottom wall of the old sewage well 11 and a gap between two side edges of the arc-shaped water baffle 2 and the side wall of the old sewage well 11 are blocked, sewage between the side wall of the old sewage well 11 to be provided with the connection hole 110 and the inner periphery of the arc-shaped water baffle 2 is pumped out to form a dry operation space; meanwhile, sewage at the periphery of the arc-shaped water baffle 2 can normally flow in the sewage draining main pipe 1; the temporary interception and drainage adjustment operation of the old sewage well 11 is not needed, and the influence on the normal use of the sewage main pipe 1 during the connection construction of the new sewage well 12 and the old sewage well 11 is reduced.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (7)
1. A new and old sewage well water-stopping-free connection construction method is characterized in that: the method comprises the following steps:
s1: -creating a new bilge well (12);
s2: arc breakwater (2) installation: placing the arc-shaped water baffle (2) into the old sewage well (11) and enabling the two opposite side edges of the arc-shaped water baffle (2) to abut against the side wall of the old sewage well (11) to be provided with the connection hole (110);
s3: the gap between the side edge of the arc-shaped water baffle (2) and the side wall of the old sewage well (11) to be provided with the connection hole (110) is plugged; the gap between the bottom end of the arc-shaped water baffle (2) and the bottom wall of the old sewage well (11) is blocked;
s4: the sewage between the arc-shaped water baffle (2) and the side wall of the old sewage well (11) to be provided with the connection hole (110) is pumped out;
s5: and (3) connection construction: drilling a connection hole (110) between the new bilge well (12) and the old bilge well (11) and installing a connection pipe (111) in the connection hole (110);
s6: dismantling the arc-shaped water baffle (2);
an arc-shaped through groove (21) is coaxially formed in the top end of the arc-shaped water baffle (2); the inner periphery of the arc-shaped water baffle (2) is connected with two connecting plates (22); the two connecting plates (22) are respectively positioned at two opposite sides of the inner periphery of the arc-shaped water baffle (2), the opposite sides of the two connecting plates (22) are fixedly connected with sealing air bags (23), and the two ends of the sealing air bags (23) extend to the top end and the bottom end of the arc-shaped water baffle (2) respectively; an air inlet pipe (231) is communicated with the top end of the sealing air bag (23);
in the step S3, gas is injected into the sealing air bag (23) through the gas inlet pipe (231) to expand the sealing air bag (23) so as to seal a gap between the side edge of the arc-shaped water baffle (2) and the side wall of the old sewage well (11);
in step S3, injecting underwater concrete into the bottom of the arc-shaped through groove (21) to form an arc-shaped water stop belt (3) so as to seal a gap between the bottom end of the arc-shaped water stop plate (2) and the bottom wall of the old sewage well (11).
2. The construction method for connecting new and old sewage wells without stopping water according to claim 1, which is characterized in that: in step S2, when the arc-shaped water baffle (2) is placed in the old sewage well (11), the sealing air bag (23) is folded and stored, and the folded and stored sealing air bag (23) is temporarily adhered and fixed on the connecting plate (22) through the waterproof adhesive tape.
3. The construction method for connecting new and old sewage wells without stopping water according to claim 1, which is characterized in that: in the step S4, before the underwater concrete is injected into the bottom of the arc-shaped through groove (21), sludge and sewage at the bottom of the arc-shaped through groove (21) are pumped out through a sludge pump.
4. The construction method for connecting new and old sewage wells without stopping water according to claim 1, which is characterized in that: in step S2, after the two opposite sides of the arc-shaped water baffle (2) are abutted against the side wall of the old sewage well (11) to be provided with the connection hole (110), one end of the groove wall of the two sides of the arc-shaped through groove (21) extending out of the water surface is fixed on the side wall of the old sewage well (11) to be provided with the connection hole (110) through an expansion bolt.
5. The construction method for connecting new and old sewage wells without stopping water according to claim 1, which is characterized in that: the bottom end of the arc-shaped through groove (21) is provided with a plurality of clamping rods (24); two ends of the clamping connection rod (24) are respectively connected to the groove walls on two opposite sides of the arc-shaped through groove (21).
6. The construction method for connecting new and old sewage wells without stopping water according to claim 1, which is characterized in that: in step S5, before the connection hole (110) is drilled, a flexible collecting net (4) is paved between the inner periphery of the arc-shaped water baffle (2) and the side wall of the old sewage well (11) to be provided with the connection hole (110), and the flexible collecting net (4) is positioned below the drilling hole position of the connection hole (110).
7. The construction method for connecting new and old sewage wells without stopping water according to claim 6, wherein the construction method comprises the following steps: in the step S5, after the flexible collecting net (4) is paved, the connecting ropes (41) are bound around the flexible collecting net (4), and one end, far away from the flexible collecting net (4), of each connecting rope (41) is fixed on the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311002161.XA CN116752623B (en) | 2023-08-09 | 2023-08-09 | Construction method for connecting old and new sewage wells without stopping water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311002161.XA CN116752623B (en) | 2023-08-09 | 2023-08-09 | Construction method for connecting old and new sewage wells without stopping water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116752623A CN116752623A (en) | 2023-09-15 |
| CN116752623B true CN116752623B (en) | 2024-03-12 |
Family
ID=87948111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311002161.XA Active CN116752623B (en) | 2023-08-09 | 2023-08-09 | Construction method for connecting old and new sewage wells without stopping water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116752623B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005282671A (en) * | 2004-03-29 | 2005-10-13 | Hideyoshi Kimura | Attached pipe restoring method in renewing main pipe embedded in ground and its device |
| CN112282029A (en) * | 2020-11-05 | 2021-01-29 | 上海交通建设总承包有限公司 | Connection construction method for urban high-water-level large-diameter reinforced concrete sewage pipeline |
| CN113774937A (en) * | 2021-10-12 | 2021-12-10 | 伍永伶 | Pier cofferdam apparatus for bridge construction |
| CN114150749A (en) * | 2021-12-31 | 2022-03-08 | 广东省基础工程集团有限公司 | Construction method for non-stop connection of new and old sewage wells |
| CN114855971A (en) * | 2022-05-27 | 2022-08-05 | 湖南湘锐交通工程有限公司 | Non-water-stop quick connection structure for new and old sewage pipelines and construction method |
| CN218757629U (en) * | 2022-10-08 | 2023-03-28 | 广州珠江建设发展有限公司 | Waterproof structure of plugging into of new and old basement structure under narrow and small space |
-
2023
- 2023-08-09 CN CN202311002161.XA patent/CN116752623B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005282671A (en) * | 2004-03-29 | 2005-10-13 | Hideyoshi Kimura | Attached pipe restoring method in renewing main pipe embedded in ground and its device |
| CN112282029A (en) * | 2020-11-05 | 2021-01-29 | 上海交通建设总承包有限公司 | Connection construction method for urban high-water-level large-diameter reinforced concrete sewage pipeline |
| CN113774937A (en) * | 2021-10-12 | 2021-12-10 | 伍永伶 | Pier cofferdam apparatus for bridge construction |
| CN114150749A (en) * | 2021-12-31 | 2022-03-08 | 广东省基础工程集团有限公司 | Construction method for non-stop connection of new and old sewage wells |
| CN114855971A (en) * | 2022-05-27 | 2022-08-05 | 湖南湘锐交通工程有限公司 | Non-water-stop quick connection structure for new and old sewage pipelines and construction method |
| CN218757629U (en) * | 2022-10-08 | 2023-03-28 | 广州珠江建设发展有限公司 | Waterproof structure of plugging into of new and old basement structure under narrow and small space |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116752623A (en) | 2023-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9777881B2 (en) | Polymer composite grouting method for blocking leaking and sand inrush of underground pipelines | |
| CN111853418B (en) | Construction method for pipeline repair | |
| CN108222043B (en) | Curtain sand gushing treatment method and curtain sand gushing treatment pipe | |
| KR100877452B1 (en) | Construction method of middle wall of three arch excavation tunnel | |
| CN113789797A (en) | Steel sheet pile cofferdam construction method for deeply covering sand and gravel layer | |
| CN111765318A (en) | Pipeline flow guide structure for pipeline repair | |
| CN113847050B (en) | Construction method of ultra-long highway tunnel in lava mountain area | |
| CN110565686A (en) | Construction method for penetrating river channel under pipe gallery | |
| CN116752623B (en) | Construction method for connecting old and new sewage wells without stopping water | |
| CN114151131B (en) | Tunnel construction method suitable for strong water-rich stratum | |
| CN113832871B (en) | Arch bridge reinforcing method based on corrugated steel plate | |
| KR100476839B1 (en) | Construction method for installing concrete underground structures | |
| CN115613480A (en) | Connecting joint of new and old water inlet box culvert and construction method | |
| CN112855259B (en) | Use method of anti-clogging drainage device in coal mine tunnel | |
| CN115142430A (en) | Anchoring structure of anchoring cylinder, construction method thereof and device for construction | |
| CN212200511U (en) | Deep foundation pit plugging device | |
| CN110965487B (en) | Down-pass passage high-flow reverse-suction siphon sewage pipe and encapsulation treatment construction method | |
| CN115874579B (en) | Diversion river structure and construction method thereof | |
| CN113957918B (en) | Plug-in type water drainage and water stop device for preventing surging | |
| CN218970086U (en) | A row of stifled comprehensive treatment system that is used for anti floating of basement structure to stop oozing | |
| KR200340987Y1 (en) | Air type weir that low level water is discharged easily and fishway is formed | |
| CN114482105B (en) | Precipitation well group plugging construction method with strong pressurized water after ultra-deep subway station is closed | |
| CN110107313A (en) | It is a kind of with existing line altogether to Urban Underground Passage construction method | |
| CN218952222U (en) | Air bag well sealing device | |
| CN216043775U (en) | Air bag type water stop sealing device for shield tunnel portal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |