CN114876073A - Bolt group pre-embedding method - Google Patents
Bolt group pre-embedding method Download PDFInfo
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- CN114876073A CN114876073A CN202210496797.3A CN202210496797A CN114876073A CN 114876073 A CN114876073 A CN 114876073A CN 202210496797 A CN202210496797 A CN 202210496797A CN 114876073 A CN114876073 A CN 114876073A
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- bolt
- steel wire
- bolts
- bolt group
- wire rope
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 123
- 239000010959 steel Substances 0.000 claims abstract description 123
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 238000003491 array Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
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Classifications
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- 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
-
- 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
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a bolt group pre-embedding method, which comprises the following steps: s1, prefabricating a plurality of groups of bolt groups, and placing a plurality of groups of bolt group arrays at preset approximate positions to form bolt group assemblies; s2, determining and rechecking the positions of the bolts on the four corners of the bolt group assembly by using a total station; s3, a transverse steel wire rope and a longitudinal steel wire rope are pulled between the bolts at the four corners of the bolt group assembly, the transverse steel wire rope is overlapped with the centers of the two bolts which are transversely arranged, and the longitudinal steel wire rope is overlapped with the centers of the two bolts which are longitudinally arranged; and step S4, determining the positions of other bolt groups along the transverse steel wire rope or the longitudinal steel wire rope by using a steel ruler according to the preset distance between the bolt groups. The bolt group pre-embedding step is carried out in the mode, the position of each bolt group does not need to be measured by a total station, the construction time can be saved to a great extent, and the construction efficiency is improved. The position accuracy of the bolt group is higher by adopting the steel ruler, and the embedding accuracy of the bolt group can be improved.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a bolt group pre-embedding method.
Background
With the application of a large number of steel-concrete structures, the joint parts of the steel structures and the concrete are connected by a large number of embedded bolt groups, and the bolt connection has the advantages of simple structure, various forms, reliable connection, convenient assembly and disassembly, low cost and the like. The traditional method for controlling the embedding precision of the bolt group comprises the steps of positioning each bolt by using a total station, controlling the verticality of each bolt by using a horizontal ruler, and rechecking by using a positioning plate matched with the bolt group.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a bolt group pre-embedding method which can improve the pre-embedding precision and efficiency of the bolt group.
The bolt group pre-embedding method provided by the embodiment of the invention comprises the following steps: step S1, prefabricating a plurality of groups of bolt groups, wherein a plurality of bolts are arrayed in each group of bolt groups, and placing the plurality of groups of bolt group arrays at preset approximate positions to form bolt group assemblies; step S2, determining and rechecking the positions of the bolts on the four corners of the bolt group assembly by using a total station; step S3, a transverse steel wire rope and a longitudinal steel wire rope are pulled between the bolts at the four corners of the bolt group assembly, the transverse steel wire rope and the longitudinal steel wire rope are both in a stretched state, the transverse steel wire rope is overlapped with the centers of the two bolts which are transversely arranged, and the longitudinal steel wire rope is overlapped with the centers of the two bolts which are longitudinally arranged; and step S4, determining the positions of other bolt groups along the transverse steel wire rope or the longitudinal steel wire rope according to the preset distance between the bolt groups by using a steel ruler, and fixing each bolt group.
The method has the following beneficial effects: the invention uses a total station to position the accurate positions of four single bolts on four corners of a bolt group component, then a transverse steel wire rope and a longitudinal steel wire rope are pulled among the four bolts, the positions of other bolt groups are measured on the transverse steel wire rope and the longitudinal steel wire rope by using a steel ruler, and then the bolt groups are fixed. The bolt group pre-embedding step is carried out in the mode, the position of each bolt group does not need to be measured by a total station, the construction time can be saved to a great extent, and the construction efficiency is improved. And the steel ruler is adopted to find the position of the bolt group to be intersected with the total station, so that the precision is higher, and the pre-embedding precision of the bolt group can be improved.
According to some embodiments of the present invention, steel plates are disposed on the bolt groups, the bolt groups in step S1 are positioned by two steel plates, the two steel plates are disposed in parallel, a plurality of bolts in the same bolt group are disposed perpendicular to the steel plates, each bolt penetrates through the two steel plates at the same time, and the bolts penetrating through the steel plates are fixedly connected into a whole by welding.
According to some embodiments of the invention, a steel material is welded between the two steel plates, the steel material being arranged perpendicular to the two steel plates.
According to some embodiments of the invention, each steel plate is provided with a positioning hole, the positioning holes of the two steel plates in the same bolt group are aligned with each other, and the bolt is correspondingly inserted into the two positioning holes.
According to some embodiments of the invention, the aperture of the locating hole is 2mm larger than the outer diameter of the bolt.
According to some embodiments of the invention, the step S3 is further followed by the steps of: and pulling other transverse steel wire ropes and other longitudinal steel wire ropes so that the centers of the bolts on the outermost rows and columns in each bolt group are provided with the corresponding transverse steel wire ropes or the corresponding longitudinal steel wire ropes.
According to some embodiments of the invention, after the step S4, the method further includes the following steps: and rechecking the positions of the bolts at the four corners in each bolt group by using the transverse steel wire ropes and the longitudinal steel wire ropes.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described with reference to the following figures and examples, in which:
FIG. 1 is a schematic view of a bolt cluster assembly according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a bolt group with hidden bolts according to an embodiment of the present invention;
FIG. 3 is a schematic top view of an embodiment of the present invention showing a single bolt cluster;
fig. 4 is a schematic structural diagram of a case where multiple rows and multiple columns of bolt groups exist in the embodiment of the present invention.
Reference numerals: bolt group 100, bolt 110, steel plate 120, steel material 130, transverse wire rope 200, longitudinal wire rope 300, bolt group assembly 400.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the lateral direction, the longitudinal direction, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 4, the invention discloses a bolt group pre-embedding method, which specifically comprises the following steps:
step S1, prefabricating a plurality of groups of bolt groups 100, wherein a plurality of bolts 110 are arrayed in each group of bolt groups 100, and placing the plurality of groups of bolt groups 100 in a preset approximate position to form a bolt group assembly 400;
step S2, determining and rechecking the positions of the bolts 110 located at the four corners of the bolt cluster assembly 400 by using a total station;
step S3, a transverse steel wire rope 200 and a longitudinal steel wire rope 300 are pulled between the bolts 110 at the four corners of the bolt group assembly 400, the transverse steel wire rope 200 and the longitudinal steel wire rope 300 are both in a stretched state, the transverse steel wire rope 200 is overlapped with the centers of the two bolts 110 which are transversely arranged, and the longitudinal steel wire rope 300 is overlapped with the centers of the two bolts 110 which are longitudinally arranged;
in step S4, the position of the other bolt groups 100 is determined along the transverse wire rope 200 or the longitudinal wire rope 300 by using a steel ruler according to the preset distance between the bolt groups 100, and each bolt group 100 is fixed.
The invention uses a total station to position the accurate positions of four single bolts 110 at four corners of a bolt group assembly 400, then a transverse steel wire rope 200 and a longitudinal steel wire rope 300 are pulled among the four bolts 110, the positions of other bolt groups 100 are measured on the transverse steel wire rope 200 and the longitudinal steel wire rope 300 by using a steel ruler, and then the bolt groups 100 are fixed. The step of embedding the bolt groups 100 in the mode does not need to use a total station to measure the position of each bolt group 100, so that the construction time can be saved to a greater extent, and the construction efficiency is improved. And the steel ruler is adopted to find the position of the bolt group 100 accurately, compared with the precision of using a total station, the precision of the bolt group 100 can be improved.
It can be understood that, referring to fig. 2, in the embodiment of the present invention, a steel plate 120 is disposed on a bolt group 100, the bolt group 100 can be positioned by two upper and lower steel plates 120, the two steel plates 120 are disposed in parallel, a plurality of bolts 110 in the bolt group 100 in the same group are all vertically disposed on the steel plates 120, each bolt 110 simultaneously penetrates through the two steel plates 120, and the bolts 110 penetrating through the steel plates 120 in the bolt group 100 can be fixedly connected into a whole by welding. Specifically, the perpendicularity of the bolts 110 can be controlled by the two parallel steel plates 120, the perpendicularity of each bolt 110 can be accurately adjusted and welded and fixed when the bolt group 100 is manufactured, repeated checking of the perpendicularity of the bolts 110 in the subsequent embedding process of the bolt group 100 is not needed, and the construction efficiency can be further improved. A plurality of steel members 130 may be vertically disposed between the two steel plates 120, and the steel members 130 may fix the position and distance between the two steel plates 120.
Specifically, the two steel plates 120 may be provided with positioning holes (not shown), the number of the positioning holes needs to be the same as the number of the bolts 110 in the group of bolt groups 100, the positioning holes of the upper and lower steel plates 120 in the same bolt group 100 need to be vertically aligned with each other, and the bolts 110 may be inserted into the two positioning holes correspondingly disposed. The positioning holes are arranged to facilitate positioning of the bolts 110, and the manufacturing efficiency of the bolt group 100 can be improved. It can be understood that, in order to facilitate the penetration of the bolt 110, the aperture of the positioning hole can be set to be 2mm larger than the outer diameter of the bolt 110, and the single-side 1mm gap also facilitates the space for adjusting the position of the bolt 110.
It is understood that, as shown in fig. 4, when there are more than two rows or more than two columns of bolt groups 100 in the bolt group assembly 400, step S3 in the embodiment of the present invention may further include the following steps: the other transverse wire ropes 200 and longitudinal wire ropes 300 are pulled so that the centers of the bolts 110 in the outermost rows and columns in each bolt group 100 have the corresponding transverse wire ropes 200 and longitudinal wire ropes 300 corresponding thereto. Taking four rows and four columns of bolt cluster assemblies 400 in fig. 4 as an example, during construction, the positions of four bolts 110 located at the corners of the bolt cluster assemblies 400 are firstly measured by a total station, the transverse steel wire ropes 200 and the longitudinal steel wire ropes 300 are pulled between the four bolts 110, then the positions of the rest eight bolt clusters 100 in the twelve bolt clusters 100 located at the outermost circle of the bolt cluster assemblies 400 are determined by a steel ruler, then the rest other transverse steel wire ropes 200 and the other longitudinal steel wire ropes 300 are pulled between the eight bolt clusters 100 by the steel ruler, so that in the twelve bolt clusters 100 at the outer circle, the two outermost rows and two outermost columns of each bolt cluster 100 have the transverse steel wire ropes 200 or the longitudinal steel wire ropes 300 corresponding to the transverse steel wire ropes 200 or the longitudinal steel wire ropes 300, and finally the positions of the rest 4 bolt clusters 100 located at the middle of the bolt cluster assemblies 400 can be determined by steel ruler measurement.
In the embodiment of the present invention, after step S4, the positions of the bolts 110 at the four corners in each bolt group 100 may be rechecked by using the transverse wire rope 200 and the longitudinal wire rope 300, so as to avoid measurement errors or error accumulation in the early stage.
The bolt group embedding method in the embodiment of the invention specifically comprises the following steps:
step S1.1, prefabricating a plurality of groups of bolt groups 100, wherein a plurality of bolts 110 are arrayed in each group of bolt groups 100, and each group of bolt groups 100 welds the bolts 110 into a whole through a fixing device consisting of a plurality of steel 130 and two steel plates 120 to ensure the verticality of the bolts 110;
step S1.2, placing a plurality of groups of bolt groups 100 in an array at preset approximate positions to form a bolt group assembly 400;
step S2, determining the positions of bolts 110 located at the four corners of bolt cluster assembly 400 using a total station;
step S3, a transverse steel wire rope 200 and a longitudinal steel wire rope 300 are pulled between the bolts 110 at the four corners of the bolt group assembly 400, the transverse steel wire rope 200 and the longitudinal steel wire rope 300 are both in a stretched state, the transverse steel wire rope 200 is overlapped with the centers of the two bolts 110 which are transversely arranged, and the longitudinal steel wire rope 300 is overlapped with the centers of the two bolts 110 which are longitudinally arranged;
step S4, pulling other transverse steel wire ropes 200 and longitudinal steel wire ropes 300 so that the centers of the bolts 110 on the outermost rows and columns in each bolt group 100 are provided with the corresponding transverse steel wire ropes 200 and longitudinal steel wire ropes 300 corresponding to the transverse steel wire ropes 200 and the longitudinal steel wire ropes 300;
step S5, determining the positions of the other bolt groups 100 along the transverse wire rope 200 or the longitudinal wire rope 300 according to the preset intervals between the bolt groups 100 using a steel ruler, and fixing each bolt group 100;
in step S6, the positions of bolts 110 at the four corners in each bolt group 100 are checked by using the horizontal wire ropes 200 and the vertical wire ropes 300.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present invention is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (7)
1. A bolt group pre-embedding method is characterized by comprising the following steps:
step S1, prefabricating a plurality of groups of bolt groups, wherein a plurality of bolts are arrayed in each group of bolt groups, and placing the plurality of groups of bolt group arrays at preset approximate positions to form bolt group assemblies;
step S2, determining and rechecking the positions of the bolts on the four corners of the bolt group assembly by using a total station;
step S3, a transverse steel wire rope and a longitudinal steel wire rope are pulled between the bolts at the four corners of the bolt group assembly, the transverse steel wire rope and the longitudinal steel wire rope are both in a stretched state, the transverse steel wire rope is overlapped with the centers of the two bolts which are transversely arranged, and the longitudinal steel wire rope is overlapped with the centers of the two bolts which are longitudinally arranged;
and step S4, determining the positions of other bolt groups along the transverse steel wire rope or the longitudinal steel wire rope according to the preset distance between the bolt groups by using a steel ruler, and fixing each bolt group.
2. The method according to claim 1, wherein steel plates are arranged on the bolt groups, the bolt groups in the step S1 are positioned by an upper steel plate and a lower steel plate, the two steel plates are arranged in parallel, a plurality of bolts in the same group of bolt groups are arranged perpendicular to the steel plates, each bolt simultaneously penetrates through the two steel plates, and the bolts penetrating through the steel plates are fixedly connected into a whole by welding.
3. The bolt group embedding method according to claim 2, wherein a steel material perpendicular to the two steel plates is welded between the two steel plates.
4. The method as claimed in claim 2, wherein each of the steel plates is provided with a positioning hole, the positioning holes of the two steel plates in the same bolt group are aligned with each other, and the bolt is correspondingly inserted into the two positioning holes.
5. The method of claim 4, wherein the diameter of the positioning hole is 2mm larger than the outer diameter of the bolt.
6. The bolt group embedding method according to claim 1, wherein the step S3 is followed by the following steps: and pulling other transverse steel wire ropes and other longitudinal steel wire ropes so that the centers of the bolts on the outermost rows and columns in each bolt group are provided with the corresponding transverse steel wire ropes or the corresponding longitudinal steel wire ropes.
7. The bolt group embedding method according to claim 1, wherein after the step S4, the method further comprises the following steps: and rechecking the positions of the bolts at the four corners in each bolt group by using the transverse steel wire ropes and the longitudinal steel wire ropes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210496797.3A CN114876073B (en) | 2022-05-09 | 2022-05-09 | Bolt group embedding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210496797.3A CN114876073B (en) | 2022-05-09 | 2022-05-09 | Bolt group embedding method |
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| CN114876073A true CN114876073A (en) | 2022-08-09 |
| CN114876073B CN114876073B (en) | 2024-01-30 |
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-
2022
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