CN114412205A - Method and structure for embedding bolt steel sleeve - Google Patents
Method and structure for embedding bolt steel sleeve Download PDFInfo
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- CN114412205A CN114412205A CN202111443734.3A CN202111443734A CN114412205A CN 114412205 A CN114412205 A CN 114412205A CN 202111443734 A CN202111443734 A CN 202111443734A CN 114412205 A CN114412205 A CN 114412205A
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- 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
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
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- 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
- E04G21/12—Mounting of reinforcing inserts; Prestressing
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a method for embedding a bolt steel sleeve, which comprises the following steps: prefabricating a positioning hoop, wherein the positioning hoop comprises steel connecting structures of which two ends are respectively connected with the outer side walls of two adjacent bolt steel sleeves in a welding mode, and the length of each steel connecting structure is determined according to the pre-buried position of each bolt steel sleeve; respectively welding two ends of each steel connecting structure on the outer side walls of two adjacent bolt steel sleeves; embedding each bolt steel sleeve at a corresponding embedding position; and connecting the steel connecting structure with the edge beam steel bars. According to the method for embedding the bolt steel sleeve, the bolt steel sleeve is positioned by the positioning hoop, and the steel connecting structure is connected with the boundary beam, so that the embedding precision of the bolt steel sleeve in the embedding process can be effectively controlled. The invention also discloses a pre-embedded structure of the bolt steel sleeve.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a method and a structure for embedding a bolt steel sleeve.
Background
The pre-buried precision of bolt steel casing pipe directly influences the construction precision and the efficiency of construction, and the pre-buried mode of bolt steel casing pipe among the prior art is directly with the sleeve pipe pre-buried on the locating position, and the deviation, the off normal appear because factors such as the deviation of each pre-buried steel casing pipe relative position when pre-buried, the vibration when concrete placement, etc. are pre-buried to the bolt steel casing pipe of this kind of mode, and the pre-buried precision of bolt steel casing pipe can't obtain effective control.
Disclosure of Invention
The invention mainly aims to provide a device and a method for controlling the embedding precision of a bolt steel sleeve, and aims to solve the problem that the embedding precision of the bolt steel sleeve in the prior art cannot be effectively controlled.
In order to achieve the above object, according to an aspect of the present invention, there is provided a bolt steel casing embedding method including:
prefabricating a positioning hoop, wherein the positioning hoop comprises steel connecting structures of which two ends are respectively connected with the outer side walls of two adjacent bolt steel sleeves in a welding mode, and the length of each steel connecting structure is determined according to the pre-buried position of each bolt steel sleeve;
respectively welding two ends of each steel connecting structure on the outer side walls of two adjacent bolt steel sleeves;
embedding each bolt steel sleeve at a corresponding embedding position;
and connecting the steel connecting structure with the edge beam steel bars.
According to the method for embedding the bolt steel sleeve, the bolt steel sleeve is positioned by the positioning hoop, and the steel connecting structure is connected with the boundary beam, so that the embedding precision of the bolt steel sleeve in the embedding process can be effectively controlled.
Further, before the steel connecting structure is welded with the steel sleeve bolt, a positioning operation table with a reserved hole of the steel sleeve bolt is prefabricated according to the pre-buried position of the steel sleeve bolt, the steel sleeve bolt is sleeved on the positioning operation table with the reserved hole of the steel sleeve bolt, then the steel connecting structure is placed on the positioning operation table, then the steel connecting structure and the steel sleeve bolt are welded, and after welding is completed, the structure obtained by welding the steel connecting structure and the steel sleeve bolt is separated from the positioning operation table.
Further, the steel connecting structure is a connecting steel bar.
Furthermore, the boundary beam reinforcing steel bars comprise boundary beam stirrups, the boundary beam stirrups are welded with the connecting reinforcing steel bars, and the thickness of the positioning operation platform is the sum of the thickness of the concrete protective layer of the boundary beam reinforcing steel bars and the diameter of the boundary beam stirrups.
Further, comprising:
prefabricating a positioning hoop, wherein the positioning hoop comprises three connecting steel bars of which two ends are respectively welded with the outer side walls of two adjacent bolt steel sleeves, and the length of each connecting steel bar is determined according to the pre-embedded position of each bolt steel sleeve;
prefabricating a positioning operation table, namely prefabricating the positioning operation table on which three bolt steel sleeve preformed holes are arranged in a triangular shape according to the pre-embedded positions of the bolt steel sleeves;
sleeving three bolt steel sleeves on a positioning operation table in a clamping manner;
placing the three connecting steel bars on a positioning operation table, respectively welding two ends of each connecting steel bar with the outer side walls of the two corresponding adjacent bolt steel sleeves, and separating a structure obtained by welding the steel connecting structure and the bolt steel sleeves from the positioning operation table after welding is completed;
embedding the bolt steel sleeve in the corresponding embedded position of the bolt steel sleeve;
and welding the connecting steel bars with the edge beam stirrups.
Furthermore, the boundary beam reinforcing steel bars comprise boundary beam stirrups and boundary beam waist reinforcing steel bars, the waist reinforcing steel bars are welded with the connecting reinforcing steel bars, and the thickness of the positioning operation platform is the sum of the thickness of the concrete protective layer of the boundary beam reinforcing steel bars, the diameter of the boundary beam stirrups and the diameter of the waist reinforcing steel bars.
Further, comprising:
prefabricating a positioning hoop, wherein the positioning hoop comprises three connecting steel bars of which two ends are respectively welded with the outer side walls of two adjacent bolt steel sleeves, and the length of each connecting steel bar is determined according to the pre-embedded position of each bolt steel sleeve;
prefabricating a positioning operation table, namely prefabricating the positioning operation table on which three bolt steel sleeve preformed holes are arranged in a triangular shape according to the pre-embedded positions of the bolt steel sleeves;
sleeving three bolt steel sleeves on a positioning operation table in a clamping manner;
placing the three connecting steel bars on a positioning operation table, respectively welding two ends of each connecting steel bar with the outer side walls of the two corresponding adjacent bolt steel sleeves, and separating a structure obtained by welding the steel connecting structure and the bolt steel sleeves from the positioning operation table after welding is completed;
embedding the bolt steel sleeve in the corresponding embedded position of the bolt steel sleeve;
and welding the connecting steel bars with the waist bars.
Furthermore, the positioning operation table is a concrete cuboid made of fine aggregate concrete.
The invention also provides a bolt steel sleeve embedded structure which comprises at least three bolt steel sleeves and a positioning hoop connected with each bolt steel sleeve, wherein each positioning hoop comprises steel connecting structures, two ends of each steel connecting structure are respectively connected with the outer side walls of two adjacent bolt steel sleeves in a welding mode, and the steel connecting structures are used for being connected with the edge beam steel bars.
Furthermore, the steel connecting structure is a connecting steel bar, and when the edge beam steel bar comprises an edge beam stirrup, the connecting steel bar is connected with the edge beam stirrup; when the boundary beam reinforcing steel bars comprise the boundary beam stirrups and the waist bars, the connecting reinforcing steel bars are connected with the waist bars.
The bolt steel sleeve embedding structure method adopts the positioning hoop to position the bolt steel sleeve, so that the embedding precision of the bolt steel sleeve in the embedding process can be effectively controlled.
According to the method and the structure for embedding the bolt steel sleeve, the bolt steel sleeve is positioned by the positioning hoop, and the steel connecting structure is connected with the boundary beam, so that the embedding precision of the bolt steel sleeve in the embedding process can be effectively controlled.
The invention is further described with reference to the following figures and detailed description. 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 accompanying drawings, which are incorporated in and constitute a part of this specification, are included to assist in understanding the invention, and are included to explain the invention and their equivalents and not limit it unduly. In the drawings:
FIG. 1 is a schematic view of the connection structure of the bolt steel sleeve and the positioning hoop.
Fig. 2 is a schematic view of a connection structure of a connection reinforcing steel bar and a side sill stirrup in embodiment 1 of the present invention.
Fig. 3 is a schematic view of a connection structure of the connecting reinforcing steel bars and the wales in embodiment 2 of the present invention.
Fig. 4 is a top view of the positioning table of the present invention.
Fig. 5 is a side view of the positioning table of the present invention.
Detailed Description
The invention will be described more fully hereinafter with reference to the accompanying drawings. Those skilled in the art will be able to implement the invention based on these teachings. Before the present invention is described in detail with reference to the accompanying drawings, it is to be noted that:
the technical solutions and features provided in the present invention in the respective sections including the following description may be combined with each other without conflict.
Moreover, the embodiments of the present invention described in the following description are generally only some embodiments of the present invention, and not all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention.
With respect to terms and units in the present invention. The terms "comprising," "having," and any variations thereof in the description and claims of this invention and the related sections are intended to cover non-exclusive inclusions.
The invention discloses a method for embedding a bolt steel sleeve, which comprises the following steps:
prefabricating a positioning hoop, wherein the positioning hoop comprises steel connecting structures of which two ends are respectively connected with the outer side walls of two adjacent bolt steel sleeves in a welding mode, and the length of each steel connecting structure is determined according to the pre-buried position of each bolt steel sleeve;
respectively welding two ends of each steel connecting structure on the outer side walls of two adjacent bolt steel sleeves;
embedding each bolt steel sleeve at a corresponding embedding position;
and connecting the steel connecting structure with the edge beam steel bars.
Before the steel connecting structure is welded with the steel sleeve bolt, a positioning operation table with a steel sleeve bolt preformed hole is prefabricated according to the pre-buried position of the steel sleeve bolt, the steel sleeve bolt is sleeved on the positioning operation table with the steel sleeve bolt preformed hole, then the steel connecting structure is arranged on the positioning operation table, then the steel connecting structure and the steel sleeve bolt are welded, and the welded structure of the steel connecting structure and the steel sleeve bolt is separated from the positioning operation table after welding.
The steel connecting structure is a connecting steel bar.
The boundary beam reinforcing steel bars comprise boundary beam stirrups, the boundary beam stirrups are welded with the connecting reinforcing steel bars, and the thickness of the positioning operation table is the sum of the thickness of the concrete protective layer of the boundary beam reinforcing steel bars and the diameter of the boundary beam stirrups.
The method for embedding the bolt steel sleeve comprises the following steps:
prefabricating a positioning hoop, wherein the positioning hoop comprises three connecting steel bars of which two ends are respectively welded with the outer side walls of two adjacent bolt steel sleeves, and the length of each connecting steel bar is determined according to the pre-embedded position of each bolt steel sleeve;
prefabricating a positioning operation table, namely prefabricating the positioning operation table on which three bolt steel sleeve preformed holes are arranged in a triangular shape according to the pre-embedded positions of the bolt steel sleeves;
sleeving three bolt steel sleeves on a positioning operation table in a clamping manner;
placing the three connecting steel bars on a positioning operation table, respectively welding two ends of each connecting steel bar with the outer side walls of the two corresponding adjacent bolt steel sleeves, and separating a structure obtained by welding the steel connecting structure and the bolt steel sleeves from the positioning operation table after welding is completed;
embedding the bolt steel sleeve in the corresponding embedded position of the bolt steel sleeve;
and welding the connecting steel bars with the edge beam stirrups.
The boundary beam reinforcing steel bar comprises a boundary beam stirrup and a boundary beam waist reinforcing steel bar, the waist reinforcing steel bar is welded with the connecting reinforcing steel bar, and the thickness of the positioning operation platform is the sum of the thickness of the concrete protective layer of the boundary beam reinforcing steel bar and the diameter of the boundary beam stirrup and the diameter of the waist reinforcing steel bar.
The method for embedding the bolt steel sleeve comprises the following steps:
prefabricating a positioning hoop, wherein the positioning hoop comprises three connecting steel bars of which two ends are respectively welded with the outer side walls of two adjacent bolt steel sleeves, and the length of each connecting steel bar is determined according to the pre-embedded position of each bolt steel sleeve;
prefabricating a positioning operation table, namely prefabricating the positioning operation table on which three bolt steel sleeve preformed holes are arranged in a triangular shape according to the pre-embedded positions of the bolt steel sleeves;
sleeving three bolt steel sleeves on a positioning operation table in a clamping manner;
placing the three connecting steel bars on a positioning operation table, respectively welding two ends of each connecting steel bar with the outer side walls of the two corresponding adjacent bolt steel sleeves, and separating a structure obtained by welding the steel connecting structure and the bolt steel sleeves from the positioning operation table after welding is completed;
embedding the bolt steel sleeve in the corresponding embedded position of the bolt steel sleeve;
and welding the connecting steel bars with the waist bars.
The positioning operation table is a concrete cuboid formed by fine aggregate concrete.
The positioning hoop comprises at least three bolt steel sleeves and positioning hoops for connecting the bolt steel sleeves, wherein each positioning hoop comprises steel connecting structures, the two ends of each steel connecting structure are respectively connected with the outer side walls of the two adjacent bolt steel sleeves in a welding mode, and the steel connecting structures are used for being connected with the side beam steel bars.
The steel connecting structure is a connecting steel bar, and when the edge beam steel bar comprises an edge beam stirrup, the connecting steel bar is connected with the edge beam stirrup; when the boundary beam reinforcing steel bars comprise the boundary beam stirrups and the waist bars, the connecting reinforcing steel bars are connected with the waist bars.
The invention is further illustrated by the following specific examples:
example 1
As shown in fig. 1 in combination with fig. 2, 4 and 5, the method for embedding the bolt steel sleeve includes:
prefabricating a positioning hoop 2, wherein the positioning hoop 2 comprises three connecting steel bars of which two ends are respectively welded and connected with the outer side walls of two adjacent bolt steel sleeves 1, and the length of each connecting steel bar is determined according to the pre-embedded position of each bolt steel sleeve 1;
prefabricating a positioning operation table 3, namely prefabricating the positioning operation table 3 on which three bolt steel sleeve preformed holes 31 are arranged in a triangular shape according to the pre-embedded position of the bolt steel sleeve 1;
clamping and sleeving the three bolt steel sleeves 1 on a positioning operation table 3;
placing the three connecting steel bars on a positioning operation table 3, respectively welding two ends of each connecting steel bar with the outer side walls of the two corresponding adjacent bolt steel sleeves 1, and separating a structure obtained by welding the connecting steel bars and the bolt steel sleeves 1 from the positioning operation table 3 after welding is finished;
embedding the bolt steel sleeve 1 in the corresponding embedded position of the bolt steel sleeve 1;
and welding the connecting steel bars with the edge beam stirrups 4.
Preferably, the positioning table 3 is a concrete rectangular body made of fine aggregate concrete.
The bolt steel sleeve embedded structure comprises at least three bolt steel sleeves 1 and positioning hoops 2 for connecting the bolt steel sleeves 1, wherein each positioning hoop 2 comprises steel connecting structures, the two ends of each steel connecting structure are respectively welded with the outer side walls of the two adjacent bolt steel sleeves 1, and the steel connecting structures are used for being welded with edge beam steel bars.
The steel connection structure is connecting steel bars, and the connecting steel bars are used for being welded with the edge beam stirrups 4.
Wherein the edge beam stirrup 4 is arranged on the edge beam 6.
Example 2
As shown in fig. 1 with reference to fig. 3, 4 and 5, the edge beam steel bars include edge beam stirrups 4 and wales 5 connected with the edge beam stirrups 4, the edge beam steel bars are welded with the connecting steel bars through the wales 5, and the thickness of the positioning operation table 3 is the sum of the thickness of the concrete protective layer of the edge beam steel bars, the diameter of the edge beam stirrups 4 and the diameter of the wales 5.
Prefabricating a positioning hoop 2, wherein the positioning hoop 2 comprises three connecting steel bars of which two ends are respectively welded and connected with the outer side walls of two adjacent bolt steel sleeves 1, and the length of each connecting steel bar is determined according to the pre-embedded position of each bolt steel sleeve 1;
prefabricating a positioning operation table 3, namely prefabricating the positioning operation table 3 on which three bolt steel sleeve preformed holes 31 are arranged in a triangular shape according to the pre-embedded position of the bolt steel sleeve 1;
clamping and sleeving the three bolt steel sleeves 1 on a positioning operation table 3;
placing the three connecting steel bars on a positioning operation table 3, respectively welding two ends of each connecting steel bar with the outer side walls of the two corresponding adjacent bolt steel sleeves 1, and separating a structure obtained by welding the connecting steel bars and the bolt steel sleeves 1 from the positioning operation table after welding is finished;
embedding the bolt steel sleeve 1 in the corresponding embedded position of the bolt steel sleeve 1;
and welding the connecting steel bars with the waist bars 5.
Preferably, the positioning table 3 is a concrete rectangular body made of fine aggregate concrete.
The bolt steel sleeve embedded structure comprises at least three bolt steel sleeves 1 and positioning hoops 2 for connecting the bolt steel sleeves 1, wherein each positioning hoop 2 comprises steel connecting structures, the two ends of each steel connecting structure are respectively welded with the outer side walls of the two adjacent bolt steel sleeves 1, and the steel connecting structures are used for being welded with edge beam steel bars.
The steel connection structure is connecting steel bars, and the connecting steel bars are used for being welded with the waist bars 5.
According to the method for embedding the bolt steel sleeve, the bolt steel sleeve is positioned by the positioning hoop, and the steel connecting structure is connected with the boundary beam, so that the embedding precision of the bolt steel sleeve in the embedding process can be effectively controlled.
The contents of the present invention have been explained above. Those skilled in the art will be able to implement the invention based on these teachings. All other embodiments, which can be derived by a person skilled in the art from the above description without inventive step, shall fall within the scope of protection of the present invention.
Claims (10)
1. The method for embedding the bolt steel sleeve is characterized by comprising the following steps:
prefabricating a positioning hoop, wherein the positioning hoop comprises steel connecting structures of which two ends are respectively connected with the outer side walls of two adjacent bolt steel sleeves in a welding mode, and the length of each steel connecting structure is determined according to the pre-buried position of each bolt steel sleeve;
respectively welding two ends of each steel connecting structure on the outer side walls of two adjacent bolt steel sleeves;
embedding each bolt steel sleeve at a corresponding embedding position;
and connecting the steel connecting structure with the edge beam steel bars.
2. The method for embedding the steel sleeve with the bolt as recited in claim 1, wherein before the steel connecting structure is welded with the steel sleeve with the bolt, a positioning operation table with the reserved hole of the steel sleeve with the bolt is prefabricated according to the embedding position of the steel sleeve with the bolt, the steel sleeve with the bolt is sleeved on the positioning operation table with the reserved hole of the steel sleeve with the bolt, then the steel connecting structure is placed on the positioning operation table, then the welding operation of the steel connecting structure and the steel sleeve with the bolt is performed, and after the welding operation is completed, the structure obtained by welding the steel connecting structure and the steel sleeve with the bolt is separated from the positioning operation table.
3. The method for embedding the steel sleeve for the bolt steel according to claim 2, wherein the steel connecting structure is a connecting steel bar.
4. The method for embedding the steel sleeve of the bolt as claimed in claim 3, wherein the edge beam steel bars comprise edge beam stirrups, the edge beam stirrups are welded with the connecting steel bars, and the thickness of the positioning operation platform is equal to the sum of the thickness of the concrete protective layer of the edge beam steel bars and the diameter of the edge beam stirrups.
5. The method for embedding the steel casing for bolts as set forth in claim 4, comprising:
prefabricating a positioning hoop, wherein the positioning hoop comprises three connecting steel bars of which two ends are respectively welded with the outer side walls of two adjacent bolt steel sleeves, and the length of each connecting steel bar is determined according to the pre-embedded position of each bolt steel sleeve;
prefabricating a positioning operation table, namely prefabricating the positioning operation table on which three bolt steel sleeve preformed holes are arranged in a triangular shape according to the pre-embedded positions of the bolt steel sleeves;
sleeving three bolt steel sleeves on a positioning operation table in a clamping manner;
placing the three connecting steel bars on a positioning operation table, respectively welding two ends of each connecting steel bar with the outer side walls of the two corresponding adjacent bolt steel sleeves, and separating a structure obtained by welding the steel connecting structure and the bolt steel sleeves from the positioning operation table after welding is completed;
embedding the bolt steel sleeve in the corresponding embedded position of the bolt steel sleeve;
and welding the connecting steel bars with the edge beam stirrups.
6. The method for embedding the steel sleeve of the bolt as claimed in claim 3, wherein the edge beam steel bars comprise edge beam stirrups and edge beam waist bars, the waist bars are welded with the connecting steel bars, and the thickness of the positioning operation platform is equal to the sum of the thickness of the concrete protective layer of the edge beam steel bars, the diameter of the edge beam stirrups and the diameter of the waist bars.
7. The method for embedding the steel casing for bolts as set forth in claim 6, comprising:
prefabricating a positioning hoop, wherein the positioning hoop comprises three connecting steel bars of which two ends are respectively welded with the outer side walls of two adjacent bolt steel sleeves, and the length of each connecting steel bar is determined according to the pre-embedded position of each bolt steel sleeve;
prefabricating a positioning operation table, namely prefabricating the positioning operation table on which three bolt steel sleeve preformed holes are arranged in a triangular shape according to the pre-embedded positions of the bolt steel sleeves;
sleeving three bolt steel sleeves on a positioning operation table in a clamping manner;
placing the three connecting steel bars on a positioning operation table, respectively welding two ends of each connecting steel bar with the outer side walls of the two corresponding adjacent bolt steel sleeves, and separating a structure obtained by welding the steel connecting structure and the bolt steel sleeves from the positioning operation table after welding is completed;
embedding the bolt steel sleeve in the corresponding embedded position of the bolt steel sleeve;
and welding the connecting steel bars with the waist bars.
8. The method of embedding a bolting steel casing according to claim 2, wherein said positioning table is a concrete rectangular body made of fine aggregate concrete.
9. The bolt steel sleeve embedded structure is characterized by comprising at least three bolt steel sleeves and a positioning hoop for connecting each bolt steel sleeve, wherein each positioning hoop comprises steel connecting structures, two ends of each steel connecting structure are respectively connected with the outer side walls of two adjacent bolt steel sleeves in a welding mode, and the steel connecting structures are used for being connected with edge beam steel bars.
10. The bolted steel casing pre-buried structure of claim 9, wherein the steel connection structure is a connection steel bar, and when the edge beam steel bar comprises an edge beam stirrup, the connection steel bar is connected with the edge beam stirrup; when the boundary beam reinforcing steel bars comprise the boundary beam stirrups and the waist bars, the connecting reinforcing steel bars are connected with the waist bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111443734.3A CN114412205B (en) | 2021-11-30 | 2021-11-30 | Bolt steel sleeve embedding method and structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111443734.3A CN114412205B (en) | 2021-11-30 | 2021-11-30 | Bolt steel sleeve embedding method and structure |
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| Publication Number | Publication Date |
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| CN114412205A true CN114412205A (en) | 2022-04-29 |
| CN114412205B CN114412205B (en) | 2023-06-16 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209653442U (en) * | 2019-01-16 | 2019-11-19 | 中国建筑第八工程局有限公司 | Bracket for service sleeve |
| CN111206613A (en) * | 2020-02-18 | 2020-05-29 | 山西三建集团有限公司 | Positioning tool and positioning method for foundation bolt of steel structure stand column in bearing platform foundation steel bar |
| CN211547797U (en) * | 2020-01-13 | 2020-09-22 | 中冶建工集团有限公司 | Tower crane foundation structure suitable for basement raft foundation |
| CN212689623U (en) * | 2020-06-19 | 2021-03-12 | 中建八局第四建设有限公司 | Pre-buried locating rack of steel construction rag bolt |
| CN214246327U (en) * | 2020-12-17 | 2021-09-21 | 中国二冶集团有限公司 | Pre-buried formula constructional column framework of steel reinforcement |
-
2021
- 2021-11-30 CN CN202111443734.3A patent/CN114412205B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209653442U (en) * | 2019-01-16 | 2019-11-19 | 中国建筑第八工程局有限公司 | Bracket for service sleeve |
| CN211547797U (en) * | 2020-01-13 | 2020-09-22 | 中冶建工集团有限公司 | Tower crane foundation structure suitable for basement raft foundation |
| CN111206613A (en) * | 2020-02-18 | 2020-05-29 | 山西三建集团有限公司 | Positioning tool and positioning method for foundation bolt of steel structure stand column in bearing platform foundation steel bar |
| CN212689623U (en) * | 2020-06-19 | 2021-03-12 | 中建八局第四建设有限公司 | Pre-buried locating rack of steel construction rag bolt |
| CN214246327U (en) * | 2020-12-17 | 2021-09-21 | 中国二冶集团有限公司 | Pre-buried formula constructional column framework of steel reinforcement |
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| CN114412205B (en) | 2023-06-16 |
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