CN112609737A - Construction method for preventing leakage and saving steel plate before installation of embedded casing pipeline - Google Patents
Construction method for preventing leakage and saving steel plate before installation of embedded casing pipeline Download PDFInfo
- Publication number
- CN112609737A CN112609737A CN202011531402.6A CN202011531402A CN112609737A CN 112609737 A CN112609737 A CN 112609737A CN 202011531402 A CN202011531402 A CN 202011531402A CN 112609737 A CN112609737 A CN 112609737A
- Authority
- CN
- China
- Prior art keywords
- steel
- steel sleeve
- sleeve
- wing ring
- welding
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 79
- 239000010959 steel Substances 0.000 title claims abstract description 79
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 title claims abstract description 10
- 238000003466 welding Methods 0.000 claims description 25
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 12
- 239000003973 paint Substances 0.000 claims description 8
- 241001676573 Minium Species 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 230000037452 priming Effects 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 4
- 238000005536 corrosion prevention Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010891 electric arc Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract 2
- 239000004566 building material Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 239000003673 groundwater Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000004210 cathodic protection Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- 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
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- 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
-
- 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
Abstract
The invention discloses a construction method for preventing leakage and saving steel plates before the installation of an embedded casing pipeline. The steel pipe of the rigid waterproof casing is externally provided with the wing ring and is arranged in the wall, so that the waterproof of the wall body is facilitated, the accuracy of the wing ring and the circular steel plate in the aspects of diameter, thickness, unit volume weight, roundness and the like is ensured, and the size deviation is reduced. And meanwhile, the residual raw materials are made by utilizing the wing rings and used as the raw materials for plugging the end face of the sleeve on the outer wall side of the rigid waterproof sleeve, so that the full utilization of building materials is facilitated, the anti-seepage effect is achieved, and the construction cost is reduced.
Description
Technical Field
The invention relates to a construction method of an embedded sleeve, in particular to a construction method for preventing leakage and saving steel plates before an embedded sleeve pipeline is installed.
Background
The seals at two ends of the embedded sleeve of the underground outer wall are generally plugged by polystyrene boards, and when the pressure at the concrete side is higher than that, concrete is easy to flow into the pipe to block the sleeve. And easily causes groundwater to flow in, causing leakage.
Chinese patent with application number CN201920865713.2 discloses a plugging-free waterproof sleeve for basement exterior wall construction, which belongs to the optimized technical field of solenoid coil magnetic field, and a research method of a pipeline sleeve anti-leakage plugging scheme in an assembly type building structure comprises the following steps: s1: selecting a proper pipeline sleeve leakage prevention scheme, S2: selecting any form of casing according to the specific situation on site, S3: designing a plugging scheme for sealing the sleeve end, and S4: selecting a proper sleeve plugging scheme, S5: the influence of the sleeve on the cathodic protection potential of the metal pipeline is numerically simulated. The research method of the invention can prevent the corrosion of the outer wall of the pipeline connecting part, reduce the leakage rate and the maintenance cost of the medium in the pipeline, ensure the integrity of the plugging end, simultaneously make up the defects of theoretical calculation and empirical estimation to a certain extent, and reduce the heavy measurement work and expensive measurement cost brought by actual measurement. The patent is a research method of an anti-leakage and anti-blocking scheme of a pipeline sleeve in an assembly type building structure, is suitable for assembly type buildings and does not belong to a cast-in-place structure.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a leakage-proof construction method before the installation of an embedded casing pipeline, which has the advantages of low construction cost, convenience, rapidness and high construction efficiency.
The invention discloses a leakage-proof construction method before installation of an embedded casing pipeline, which comprises the following steps:
(1) using AutoCAD drawing software to arrange wing rings with various sizes on a steel plate until the utilization rate of the steel plate reaches the maximum; then according to the size in the AutoCAD drawing, performing wing ring lofting on the steel plate, and cutting the wing ring at the steel plate lofting position, wherein the remaining circular steel plate for cutting the wing ring is wing ring leftover materials;
(2) processing a cylindrical steel sleeve, polishing the outer walls of two ends of the steel sleeve smoothly, and then painting marks on the left side and the right side of the cylindrical steel sleeve, wherein the marks comprise the type and the nominal diameter of the steel sleeve;
(3) priming paint is brushed on the outer walls of the wing ring and the steel sleeve for corrosion prevention; the primer is minium paint or cold primer oil.
(4) Sleeving a wing ring in the middle of the steel sleeve, and then welding the wing ring and the steel sleeve by full welding, wherein manual electric arc welding is adopted during welding;
(5) welding and plugging circular steel plates at the ports of the left end and the right end of the steel sleeve respectively in a spot welding mode, and then sealing the port of the steel sleeve and the circular steel plates internally and externally by using polyurethane structural sealant;
(6) binding wall body reinforcing steel bars, fixing the steel sleeve and the wall body additional reinforcing steel bars on the wall body according to a set position, and then welding or firmly binding, wherein the embedded steel sleeve cannot be directly welded with the structural main reinforcing steel bars;
(7) and (4) calibrating the coordinates and the elevation of the pre-buried steel sleeve until the coordinates and the elevation meet the design requirements, pouring the steel sleeve into the wall at the position of the wall reinforcing steel bar through one-time concrete pouring, wherein the concrete pouring range of the position of the steel sleeve is 200mm larger than the diameter of the wing ring.
According to the method, the structural characteristics and the process method of the embedded sleeve of the underground outer wall before pipeline installation are combined, the accuracy of the wing ring and the circular steel plate in the aspects of diameter, thickness, unit volume weight, roundness and the like is ensured, and the size deviation is reduced. During plugging, the circular steel plate for plugging is connected with the end part of the sleeve in a welding mode, the circular steel plate is fixed by spot welding, and then the polyurethane structure sealant is adopted to seal the inside and the outside tightly, so that the risk of groundwater recharging to a basement due to groundwater level rising can be avoided when the sleeve is pre-buried in the early stage, and better construction conditions are provided for later-stage installation work. The method is suitable for projects needing to embed the rigid casing, is simple and easy to construct, effectively reduces the cost and achieves the function of preventing leakage. The plugging material utilizes the steel plate left after the wing ring is manufactured, so that the utilization rate of building steel is improved, the loss rate of the steel is reduced, and the cost is reduced through the saving of the steel.
Drawings
FIG. 1 is a top plan view of a wing ring and a circular steel plate laid out on a steel plate in a leakage-proof construction method before an embedded casing pipeline is installed according to the invention.
Detailed Description
The invention is described in detail below with reference to the following figures and specific examples:
as shown in figure 1, the leakage-proof construction method before the installation of the embedded casing pipeline comprises the following steps:
(1) arranging wing rings 1 of various sizes on a steel plate by using AutoCAD drawing software until the utilization rate of the steel plate reaches the maximum; then according to the size in the AutoCAD drawing, lofting a wing ring 1 on a steel plate 3, cutting the wing ring 1 at the steel plate lofting position, wherein the remaining circular steel plate 2 after cutting the wing ring is wing ring leftover material; the precision of the diameters, the thicknesses, the unit volume weights, the roundness and the like of the wing ring and the circular steel plate is ensured during cutting, and the size deviation is reduced.
(2) Processing a cylindrical steel sleeve, polishing the outer walls of two ends of the steel sleeve smoothly, and then painting marks on the left side and the right side of the cylindrical steel sleeve, wherein the marks comprise the type and the nominal diameter of the steel sleeve;
(3) and priming paint is brushed on the outer walls of the wing ring 1 and the steel sleeve for corrosion prevention, and the priming paint is minium paint or cold primer oil.
(4) Sleeving a wing ring 1 in the middle of a steel sleeve, then welding the wing ring 1 and the steel sleeve by full weld, wherein manual arc welding is adopted during welding, the dimensional tolerance and the form and position tolerance of a welding structure are executed according to JB/T5000.3-1998, the model number of a welding rod E4303 and the model number J422, and the basic form and the size of a welding groove are executed according to GB 985-88;
(5) the port department at the left and right ends of steel casing adopt the mode welding shutoff circular steel sheet 2 of spot welding respectively, then with polyurethane structure sealant with the steel casing between the port and the circular steel sheet 2 interior external seal, reach the standard requirement.
(6) Binding wall body reinforcing steel bars, fixing the steel sleeve and the wall body additional reinforcing steel bars on the wall body according to a set position, and then welding or firmly binding, wherein the embedded steel sleeve cannot be directly welded with the structural main reinforcing steel bars;
(7) and (4) calibrating the coordinates and the elevation of the pre-buried steel sleeve until the coordinates and the elevation meet the design requirements, pouring the steel sleeve into the wall at the position of the wall reinforcing steel bar through one-time concrete pouring, wherein the concrete pouring range of the position of the steel sleeve is 200mm larger than the diameter of the wing ring.
Claims (2)
1. A leakage-proof construction method before installation of an embedded casing pipeline is characterized by comprising the following steps:
(1) using AutoCAD drawing software to arrange wing rings with various sizes on a steel plate until the utilization rate of the steel plate reaches the maximum; then according to the size in the AutoCAD drawing, performing wing ring lofting on the steel plate, and cutting the wing ring at the steel plate lofting position, wherein the remaining circular steel plate for cutting the wing ring is wing ring leftover materials;
(2) processing a cylindrical steel sleeve, polishing the outer walls of two ends of the steel sleeve smoothly, and then painting marks on the left side and the right side of the cylindrical steel sleeve, wherein the marks comprise the type and the nominal diameter of the steel sleeve;
(3) priming paint is brushed on the outer walls of the wing ring and the steel sleeve for corrosion prevention; the primer is minium paint or cold primer oil.
(4) Sleeving a wing ring in the middle of the steel sleeve, and then welding the wing ring and the steel sleeve by full welding, wherein manual electric arc welding is adopted during welding;
(5) welding and plugging circular steel plates at the ports of the left end and the right end of the steel sleeve respectively in a spot welding mode, and then sealing the port of the steel sleeve and the circular steel plates internally and externally by using polyurethane structural sealant;
(6) binding wall body reinforcing steel bars, fixing the steel sleeve and the wall body additional reinforcing steel bars on the wall body according to a set position, and then welding or firmly binding, wherein the embedded steel sleeve cannot be directly welded with the structural main reinforcing steel bars;
(7) and (4) calibrating the coordinates and the elevation of the pre-buried steel sleeve until the coordinates and the elevation meet the design requirements, pouring the steel sleeve into the wall at the position of the wall reinforcing steel bar through one-time concrete pouring, wherein the concrete pouring range of the position of the steel sleeve is 200mm larger than the diameter of the wing ring.
2. The pre-installation leakage-proof construction method of the embedded casing pipeline according to claim 1, characterized in that: the primer is minium paint or cold primer oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011531402.6A CN112609737A (en) | 2020-12-22 | 2020-12-22 | Construction method for preventing leakage and saving steel plate before installation of embedded casing pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011531402.6A CN112609737A (en) | 2020-12-22 | 2020-12-22 | Construction method for preventing leakage and saving steel plate before installation of embedded casing pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112609737A true CN112609737A (en) | 2021-04-06 |
Family
ID=75244170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011531402.6A Pending CN112609737A (en) | 2020-12-22 | 2020-12-22 | Construction method for preventing leakage and saving steel plate before installation of embedded casing pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112609737A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1421456A (en) * | 1972-02-21 | 1976-01-21 | Doris Dev Richesse Sous Marine | Construction of perforated walls |
| CN206328767U (en) * | 2016-12-16 | 2017-07-14 | 天津圣业达地基加固工程有限公司 | A kind of foundation ditch waterproof steel bushing tubular construction |
| CN110118015A (en) * | 2018-02-07 | 2019-08-13 | 五冶集团上海有限公司 | The embedding casing methods of aperture on a kind of concrete floor |
-
2020
- 2020-12-22 CN CN202011531402.6A patent/CN112609737A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1421456A (en) * | 1972-02-21 | 1976-01-21 | Doris Dev Richesse Sous Marine | Construction of perforated walls |
| CN206328767U (en) * | 2016-12-16 | 2017-07-14 | 天津圣业达地基加固工程有限公司 | A kind of foundation ditch waterproof steel bushing tubular construction |
| CN110118015A (en) * | 2018-02-07 | 2019-08-13 | 五冶集团上海有限公司 | The embedding casing methods of aperture on a kind of concrete floor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102359672B (en) | Prestressed steel cylinder concrete push pipe | |
| CN202955346U (en) | Protective airtight through-wall pipe casing pipe | |
| CN110985765A (en) | Flexible waterproof sealing structure of wall bushing and construction method | |
| CN201462207U (en) | Sealing device between protective well through hole and underground pipeline | |
| CN110802257A (en) | In-use pipeline under-pressure tapping device, plugging device and construction method thereof | |
| CN109881705A (en) | A kind of prefabricated assembled concrete pipe gallery consolidates water-tight device and method | |
| CN204267915U (en) | Strengthen the two rubber sealing reinforced concrete sewer pipe of jacking construction corrosion protection | |
| CN201099864Y (en) | Plastic valve manhole | |
| CN202248368U (en) | Water-stopping and leakage-preventing reinforced concrete shear wall of optical fiber wiring room | |
| CN204004780U (en) | Can peg graft concrete drain tile and the socket steel ring for this waste pipe | |
| CN103836268A (en) | Construction method for mounting waterproof sleeve of external concrete wall of basement | |
| CN112609737A (en) | Construction method for preventing leakage and saving steel plate before installation of embedded casing pipeline | |
| CN213979225U (en) | Inspection well structure for drainage system | |
| CN104047423B (en) | A kind of mould and construction method of wearing the accurate reserved opening of flooring plate | |
| CN220827906U (en) | Saving component construction structure | |
| CN210947010U (en) | Prefabricated interim fire control pond system | |
| CN104964121B (en) | A kind of sleeve water leakage plugging method | |
| CN111140698A (en) | Waterproof wall bushing structure with flexible dynamic seal assembly on neutral surface and construction method | |
| CN207672673U (en) | A kind of interim fire water box of entirety container-type building | |
| CN211101722U (en) | Pipeline under-pressure tapping device and plugging device | |
| CN211624443U (en) | Flexible waterproof sealing structure of wall bushing | |
| CN216405651U (en) | Prefabricated assembled concrete drainage inspection shaft structure | |
| CN203656411U (en) | Double-rubber-ring bell and spigot steel ring of large-diameter PCCP (prestressed concrete cylinder pipe) and large-diameter PCCP | |
| CN211172078U (en) | Assembled waterproof lifting hook | |
| CN102605795B (en) | Waterproof sleeve for repairing concrete surface of water table fluctuation region and application method of waterproof sleeve |
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 |