CN114482562B - Installation method of embedded part of nuclear chemical storage well - Google Patents
Installation method of embedded part of nuclear chemical storage well Download PDFInfo
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- CN114482562B CN114482562B CN202210013341.7A CN202210013341A CN114482562B CN 114482562 B CN114482562 B CN 114482562B CN 202210013341 A CN202210013341 A CN 202210013341A CN 114482562 B CN114482562 B CN 114482562B
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- 238000009434 installation Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000003860 storage Methods 0.000 title claims abstract description 22
- 239000000126 substance Substances 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- 230000000149 penetrating effect Effects 0.000 claims abstract description 35
- 230000035515 penetration Effects 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 235000000396 iron Nutrition 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- 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
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a method for installing embedded parts of a nuclear chemical storage well, wherein the embedded parts used in the installation method comprise a bottom plate, penetrating parts, positioning steel plates, truss structures and a detection cover plate, the bottom plate is connected to the bottoms of the penetrating parts, the truss structures are erected among the penetrating parts, and the installation method comprises the following steps: a penetration mount, wherein the penetration mount comprises: manufacturing and installing a positioning steel plate; installing a penetrating piece; installing a bottom shaft; mounting an angle steel bracket; and measuring the penetration piece, namely measuring the central position and the elevation of the penetration piece one by one and adjusting the central position and the elevation one by one. The invention analyzes each part of the storage well, adopts a series of safe and reliable measures to ensure the high-precision installation of the upper embedded penetration piece, the lower shaft and the bottom plate, improves the efficiency and ensures the construction quality.
Description
Technical Field
The invention relates to the technical field of nuclear power station construction, in particular to a method for installing embedded parts of a nuclear chemical storage well.
Background
At present, a storage well mainly comprises an upper embedded penetration piece, a lower shaft, a bottom plate and a shielding plug, and has the advantages of large number of parts, large scale and high installation precision; wherein, the whole installation process of the upper embedded penetration piece is crossed with the civil engineering depth; and (3) hoisting the lower shaft, if a conventional installation method is adopted, the working procedures are multiple, the efficiency is low, a large amount of labor is consumed, the construction period cannot be guaranteed, and the quality is not easy to control.
Disclosure of Invention
The invention provides a method for installing embedded parts of a nuclear chemical storage well, which aims to solve the technical problems of complex and complicated assembling process, difficult quality control and low assembling efficiency of the existing method for installing the storage well.
In order to achieve the purpose, the invention provides an embedded part installation method of a nuclear chemical storage well, the embedded part used in the installation method comprises a bottom plate, penetrating parts, a positioning steel plate, a truss structure and a detection cover plate, the bottom plate is connected to the bottoms of the penetrating parts, the truss structure is erected among the penetrating parts,
the installation method comprises the following steps:
S 1 : through-penetration installation
Wherein the penetration mount comprises:
S 11 : manufacturing and installing a positioning steel plate;
after the positioning steel plates are transported to the site, the positioning steel plates are directly laid on the primary and secondary keels, and the peripheries of the positioning steel plates are welded and fixed at the bottoms of the vertical ribs of the wall body by adopting carbon steel flat irons;
controlling a gap between the positioning steel plate and a lower flange of the penetration piece, wherein the mounting gap is controlled to be 1 to 1.5mm;
S 12 : installing a penetrating piece;
S 2 : installing a bottom shaft;
the foundation bolt is embedded in the concrete, the upper part of the foundation bolt penetrates through the bottom plate, the elevation of the bottom plate is finely adjusted through the leveling nut and the fastening nut, and then the shaft is hung on the bottom plate;
S 3 : installing a truss structure;
two ends of a truss structure are fixed on an angle steel truss column, the angle steel truss column is fixed at the root of a vertical rib of a wall body, the truss structure is integrally assembled on site, fine-tooth lead screws or inclined washers are adopted between the truss structure and the embedded penetrating pieces for fine adjustment, and welding fixation is carried out after adjustment is completed;
S 4 : measuring a penetrating piece;
and measuring the central position and the elevation of the penetration piece one by one, and adjusting the central position and the elevation one by one.
Further, in the step S 3 The truss structure comprises a middle-layer angle steel frame and a top-layer angle steel frame, and the truss structure is installed from bottom to top in a layered mode.
Further, in the step S 4 In the above, the total station is adopted for the measurement of the penetration piece.
Further, the assembly clearance between detection apron and the well head is less than 0.5mm.
Furthermore, the detection cover plate comprises a circular base plate, support plates, screw caps and handles, the four support plates are uniformly connected to the lower surface of the circular base plate along the circumferential direction, the screw caps are connected to the center of the circular base plate, and the two handles are connected to the upper surface of the circular base plate.
Furthermore, the positioning steel plate is manufactured and processed by a numerical control plasma cutting machine, and the flatness of the positioning steel plate is less than or equal to 3mm per square meter.
Furthermore, the length of the positioning steel plate is less than or equal to 7320mm, the width of the positioning steel plate is less than or equal to 5340mm, and the thickness of the positioning steel plate is greater than or equal to 6mm.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and is embodied in the following aspects:
the invention ensures the installation accuracy of the lower shaft by controlling the flatness of the bottom plate and the installation accuracy of the upper penetrating piece. The upper opening of the lower shaft is embedded into the upper penetrating piece, the upper penetrating piece is embedded into the floor slab, a scaffold is erected at the lower opening of the lower shaft, after the foundation construction of the storage well is completed, the upper embedded penetrating piece is installed firstly, concrete is poured into the floor slab, and the lower shaft is installed after the scaffold at the bottom is removed. The process flow method is simple and easy to understand and easy to operate, the first-time qualified rate of the installation of the penetration piece is greatly improved, and the construction efficiency is improved; powerful support is provided for penetration piece installation quality and construction progress.
Drawings
FIG. 1 is a schematic flow chart of a construction method of an embedded part installation method of a nuclear chemical storage well in an embodiment of the invention;
FIG. 2 is a schematic diagram of the overall structure of the installation of the embedded part of the nuclear chemical storage well in the embodiment of the invention;
FIG. 3 is a schematic diagram of a through part bottom plate installation node in the installation method of the embedded part of the nuclear chemical storage well in the embodiment of the invention;
FIG. 4 is a schematic view of a mounting node between the bottom of the penetration assembly and the positioning steel plate in the embodiment of the present invention;
FIG. 5 is a schematic block diagram of a positioning steel plate according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of the angle iron support truss fixing in the embodiment of the invention;
fig. 7 is a schematic structural diagram of a detection cover plate in the embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the terms front, back, upper and lower in the description and the drawings are defined by the parts in the figures and the positions of the parts relative to each other, and are used for the sake of clarity and convenience in the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
Referring to fig. 1 to 7, an embodiment of the invention provides an embedded part installation method for a nuclear chemical industry storage well, the embedded part used in the installation method comprises a bottom plate, penetrating pieces, positioning steel plates, truss structures and a detection cover plate, the bottom plate is connected to the bottoms of the penetrating pieces, the truss structures are erected among the penetrating pieces,
the installation method comprises the following steps:
S 1 : through-penetration installation
Wherein the penetration mount comprises:
S 21 : manufacturing and installing a positioning steel plate;
as shown in fig. 5, in the present embodiment, after being transported to the site, the positioning steel plates are directly laid on the primary and secondary keels, and the peripheries of the positioning steel plates are welded and fixed at the bottoms of the vertical ribs of the wall body by using flat carbon steel;
controlling a gap between the positioning steel plate and a lower flange of the penetrating piece, wherein the installation gap is controlled to be 1 to 1.5mm;
S 22 : installing a penetrating piece;
S 1 : installing a bottom shaft;
as shown in fig. 3, in the present embodiment, an anchor bolt is embedded in concrete, the upper portion of the anchor bolt passes through a bottom plate, the elevation of the bottom plate is finely adjusted by a leveling nut and a fastening nut, and then a shaft is hung on the bottom plate;
S 3 : installing a truss structure;
as shown in fig. 6, in this embodiment, two ends of the truss structure are fixed on the angle steel truss columns, the angle steel truss columns are fixed at the roots of the vertical ribs of the wall body, the truss structure is integrally assembled on site, fine screws or inclined washers are used for fine adjustment between the truss structure and the embedded penetration pieces, and the truss structure and the embedded penetration pieces are welded and fixed after the adjustment is completed;
S 4 : measuring a penetrating piece;
and measuring the central position and the elevation of the penetration piece one by one, and adjusting the central position and the elevation one by one.
Further, as shown in FIG. 6, in the step S 3 The truss structure comprises a middle-layer angle steel frame and a top-layer angle steel frame, and the truss structure is installed from bottom to top in a layered mode.
Two ends of the truss structure are fixed on the angle steel truss columns, and the angle steel truss columns are fixed at the roots of vertical ribs of the wall body to form a stable truss structure. The truss structure is integrally assembled on site, fine screw rods or inclined iron pads are adopted between the truss structure and the embedded penetrating pieces for fine adjustment, and welding fixation is carried out after adjustment is completed.
Because the whole angle steel frame is of a truss structure, the truss structure is divided into a middle layer angle steel frame and a top layer angle steel frame due to binding and cross construction with civil engineering steel bars, and therefore the angle steel frames are installed from bottom to top in a layered mode.
In particular toAt said step S 4 In the above, the total station is adopted for the measurement of the penetration piece.
Therefore, after the installation of the angle iron bracket at the top layer is completed, the central position and the elevation of the penetrating piece are measured one by one through the total station and are adjusted one by one.
Specifically, the assembly clearance between detection apron and the well head is less than 0.5mm.
Preferably, in this embodiment, through self-control apron, after the machining, the assembly error between apron and the well head is 0.5mm.
Specifically, detect apron includes circular bottom plate, backup pad, nut and handle, four the backup pad is evenly connected along the circumferencial direction in the lower surface of circular bottom plate, the nut is connected the center of circular bottom plate, two the handle is connected the upper surface of circular bottom plate.
Specifically, the positioning steel plate is manufactured and processed by a numerical control plasma cutting machine, and the flatness of the positioning steel plate is less than or equal to 3mm per square meter.
Specifically, the length of the positioning steel plate is less than or equal to 7320mm, the width of the positioning steel plate is less than or equal to 5340mm, and the thickness of the positioning steel plate is greater than or equal to 6mm.
The invention ensures the installation precision of the lower shaft by controlling the flatness of the bottom plate and the installation precision of the upper penetrating piece. The upper opening of the lower shaft is embedded into the upper penetrating piece, the upper penetrating piece is embedded into the floor slab, a scaffold is erected at the lower opening of the lower shaft, after the foundation construction of the storage well is completed, the upper embedded penetrating piece is installed firstly, the floor slab is poured by concrete, and the lower shaft is installed after the scaffold at the bottom is dismantled. The process flow method is simple and easy to understand and easy to operate, the first-time qualified rate of the installation of the penetration piece is greatly improved, and the construction efficiency is improved; powerful support is provided for penetrating member installation quality and construction progress.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.
Claims (7)
1. The method for installing the embedded parts of the nuclear chemical storage well is characterized in that the embedded parts used in the installation method comprise bottom plates, penetrating parts, positioning steel plates, truss structures and detection cover plates, the bottom plates are connected to the bottoms of the penetrating parts, the truss structures are erected among the penetrating parts,
the installation method comprises the following steps:
S 1 : installing a penetrating piece;
wherein the penetration mount comprises:
S 11 : manufacturing and installing a positioning steel plate;
after the positioning steel plate is transported to the site, the positioning steel plate is directly laid on the primary and secondary keels, and the periphery of the positioning steel plate is welded and fixed at the bottom of the vertical ribs of the wall body by adopting carbon steel flat irons;
controlling a gap between the positioning steel plate and a lower flange of the penetrating piece, wherein the installation gap is controlled to be 1 to 1.5mm;
S 12 : the upper penetrating piece is installed;
S 2 : installing a bottom shaft;
the foundation bolt is embedded in the concrete, the upper part of the foundation bolt penetrates through the bottom plate, the elevation of the bottom plate is finely adjusted through the leveling nut and the fastening nut, and then the shaft is hung on the bottom plate;
S 3 : mounting an angle steel bracket;
two ends of a truss structure are fixed on an angle steel truss column, the angle steel truss column is fixed at the root of a vertical rib of a wall body, the truss structure is integrally assembled on site, fine-tooth lead screws or inclined washers are adopted between the truss structure and the embedded penetrating pieces for fine adjustment, and welding fixation is carried out after adjustment is completed;
S 4 : measuring a penetrating piece;
and measuring the central position and the elevation of the penetration piece one by one, and adjusting the central position and the elevation one by one.
2. The method for installing the embedded part of the nuclear chemical storage well as claimed in claim 1, wherein the step S 3 In (1),the truss structure comprises a middle-layer angle steel frame and a top-layer angle steel frame, and the truss structure is installed from bottom to top in a layered mode.
3. The nuclear chemical storage well embedded part installation method according to claim 1 or 2, wherein the step S 4 In the above, the total station is adopted for the measurement of the penetration piece.
4. The method for installing the embedded part of the nuclear chemical storage well, according to claim 1, wherein an assembly gap between the detection cover plate and the well head is less than 0.5mm.
5. The method for installing the embedded part of the nuclear chemical storage well according to claim 4, wherein the detection cover plate comprises a circular bottom plate, four support plates, nuts and handles, the four support plates are uniformly connected to the lower surface of the circular bottom plate along the circumferential direction, the nuts are connected to the center of the circular bottom plate, and the two handles are connected to the upper surface of the circular bottom plate.
6. The method for installing the embedded part of the nuclear chemical industry storage well according to claim 1, wherein the positioning steel plate is manufactured and processed by a numerical control plasma cutting machine, and the flatness of the positioning steel plate is not more than 3mm per square meter.
7. The method for installing the embedded part of the nuclear chemical industry storage well, according to claim 1, wherein the length of the positioning steel plate is 7320mm or less, the width of the positioning steel plate is 5340mm or less, and the thickness of the positioning steel plate is 6mm or more.
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| CN202210013341.7A CN114482562B (en) | 2022-01-06 | 2022-01-06 | Installation method of embedded part of nuclear chemical storage well |
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| CN202210013341.7A CN114482562B (en) | 2022-01-06 | 2022-01-06 | Installation method of embedded part of nuclear chemical storage well |
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| CN114482562A CN114482562A (en) | 2022-05-13 |
| CN114482562B true CN114482562B (en) | 2023-04-18 |
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