CN112343366A - Detachable net rack segmentation reinforced structure - Google Patents
Detachable net rack segmentation reinforced structure Download PDFInfo
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- CN112343366A CN112343366A CN202011132455.0A CN202011132455A CN112343366A CN 112343366 A CN112343366 A CN 112343366A CN 202011132455 A CN202011132455 A CN 202011132455A CN 112343366 A CN112343366 A CN 112343366A
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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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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Abstract
The invention provides a detachable grid segmented reinforcing structure, which relates to the technical field of constructional engineering and comprises a reinforced circular tube and a plurality of reinforcing units, wherein the reinforcing units are sleeved on the circular tube and are axially distributed at intervals along the circular tube; each reinforcing unit comprises two angle steels which are sleeved on the reinforced circular tube and are diagonally arranged to form a frame-shaped structure, and a plurality of fastening fasteners which are detachably fixed outside the two angle steels and are axially distributed at intervals. The temporary rigidity of the rod piece can be effectively increased by the constraint action of the angle steel, and the instability and damage of the member can be prevented. The reinforced structure effectively avoids the workload of rechecking required by structural calculation caused by a rod piece replacing mode. The reinforced structure is simple in construction operation, is beneficial to installation and removal, can achieve the aim of recycling, and accords with the concept of green buildings. Welding materials are not needed to be welded, and the original main body structure cannot be damaged. Through the sectional reinforcement, the steel consumption of the reinforcement member can be effectively saved.
Description
Technical Field
The invention relates to a detachable grid frame segmented reinforcing structure, and belongs to the technical field of constructional engineering.
Background
Under the current situation, the rack is reinforced by adopting a rod replacement method or a sleeve welding reinforcement method. Rod replacement method: the internal force distribution of the structure near the replacement rod can be caused, the structure needs to be checked again, the workload is increased, and the steel consumption of the structure is increased. And (3) a sleeve welding and reinforcing method: generally, angle steel or channel steel is sleeved on the outer surface of a round pipe, load is shared through welding connection, and after the net racks are integrally assembled, the angle steel sleeve is removed through polishing. Welding can have certain damage influence to major structure to the angle steel is difficult to reuse also.
The present application was made based on this.
Disclosure of Invention
In order to solve the problem of possible pressure bar instability caused by the change of internal force of the rod piece, the invention provides a detachable net rack segmented reinforcing structure which is convenient to process and install, saves steel consumption and cannot damage the original main body structure.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a detachable grid frame segmented reinforcing structure comprises a reinforced circular tube and a plurality of reinforcing units which are sleeved on the circular tube and are distributed at intervals along the axial direction of the circular tube; each the reinforcement unit includes two angle steels that overlap on the pipe that is consolidated and the diagonal angle installation forms the frame-shaped structure and can dismantle and be fixed in outside two angle steels and a plurality of fastening fastener of axial interval distribution.
Furthermore, each fastening fastener comprises two channel steels which are respectively arranged at the top and the bottom of the angle steel of the frame-shaped structure, and two groups of fastening bolts and fastening nuts which are respectively arranged at two sides of the channel steels and are used for fixing the upper channel steel and the lower channel steel.
Furthermore, the two angle steels are equal-limb angle steels, and the cross section of the formed frame-shaped structure is square.
Furthermore, two channel steels are installed back to back, and the openings of the channel steels face outwards.
Further, the length of each reinforcing unit is 800mm, and each reinforcing unit is provided with at least 5 fastening fasteners; the reinforcing units and the fastening fasteners are uniformly distributed at intervals.
Further, the linear rigidity of each branch of each angle steel is larger than or equal to that of the whole reinforced circular tube.
The principle and the beneficial technical effects of the invention are as follows: when the original pulled rod piece is changed into a pressed rod piece due to the change of stress, the stability of the round pipe is over-limited and buckling instability can occur when the round pipe is pressed. The temporary rigidity of the rod piece can be effectively increased by the constraint action of the angle steel, and the instability and damage of the member can be prevented. The reinforced structure effectively avoids the workload of rechecking the structure calculation caused by the rod replacing mode, and the rod to be replaced can be calculated only after the construction hoisting scheme is determined by the mode, thereby avoiding the influence on the construction period. The reinforced structure is simple in construction operation, is beneficial to installation and removal, can achieve the aim of recycling, and accords with the concept of green buildings; the reinforced structure does not need welding materials for welding, and does not damage the original main body structure.
Drawings
FIG. 1 is a schematic view of a rod member after being reinforced by a circular tube according to the embodiment;
FIG. 2 is a schematic cross-sectional view of the round tube of the present embodiment after being reinforced;
fig. 3 is a schematic structural view of the fastening fastener of the present embodiment.
Description of the labeling: the steel plate comprises a reinforced circular tube 1, angle steel 2, channel steel 3, a fastening bolt 4 and a fastening nut 5.
Detailed Description
In order to make the technical means and technical effects achieved by the technical means of the present invention more clearly and more perfectly disclosed, the following embodiments are provided, and the following detailed description is made with reference to the accompanying drawings:
as shown in fig. 1 to fig. 3, the detachable grid segmented reinforcing structure of the present embodiment includes a reinforced circular tube 1 and a plurality of reinforcing units that are sleeved on the circular tube and are distributed at intervals along the axial direction of the circular tube; each reinforcing unit comprises two angle steels 2 which are sleeved on the reinforced circular tube 1 and are diagonally arranged to form a frame-shaped structure, and a plurality of fastening fasteners which are detachably fixed outside the two angle steels 2 and are axially distributed at intervals. When the original pulled rod piece is changed into a pressed rod piece due to the change of stress, the stability of the round pipe is over-limited and buckling instability can occur when the round pipe is pressed. And the temporary rigidity of the rod piece can be effectively increased by the constraint action of the angle steel 2 in the reinforcing structure of the embodiment, so that the instability and damage of the member can be prevented. Meanwhile, the steel consumption of the reinforcing member can be effectively saved through sectional reinforcement.
Preferably, every fastening fastener includes two channel-section steels 3 that install respectively in 2 tops of angle steel and the bottom of frame structure and two sets of fastening bolt 4 and the fastening nut 5 of installing respectively in the both sides of channel-section steel 3 and two fixed upper and lower channel-section steels 3. Adopt channel-section steel 3 to be convenient for fastening bolt 4 and fastening nut 5's installation, can arrange fastening nut 5 in channel-section steel 3 in simultaneously, can play the effect of hiding fastening nut 5 from partial angle, relatively more pleasing to the eye.
In the preferred embodiment, the two angle steels 2 are equal-limb angle steels 2, and the cross section of the formed frame-shaped structure is square. The specification of the angle steel 2 is equal angle steel 2, and the side length of the angle steel 2 is equal to or slightly smaller than the diameter of the circular tube 1 to be reinforced. The specification of the angle steel 2 can be selected according to the finished hot-rolled equilateral (equal-limb) angle steel 2, and can also be formed by welding steel plates.
This embodiment is preferred, and two channel-section steels 3 are installed back to back, and the opening of channel-section steel 3 is outwards, when being convenient for install and dismantle, increase area of contact, increase fastening effect.
Preferably, in order to ensure the reinforcing effect, the length of each reinforcing unit is 800mm, and each reinforcing unit is provided with at least 5 fastening fasteners; the reinforcing units and the fastening fasteners are uniformly distributed at intervals, i.e., the fastening fasteners are arranged at intervals of 200 mm. The distribution distance of each reinforcing unit section needs to be determined according to the force analysis checking calculation. In the hoisting and lifting process of the net rack, the pressure of the round pipe is stably exceeded due to the change of the stressed fulcrum. Through stress checking calculation, two sections of 800mm angle steel 2 are symmetrically arranged on two sides of a circular pipe with the stability exceeding the limit; the angle steel 2 is back to back by channel steel 3 and is screwed up by bolts, so that the reinforcing effect can be ensured.
In the present embodiment, the linear stiffness of each limb of each angle iron 2 is preferably greater than or equal to the linear stiffness of the whole reinforced circular tube 1.
The specification of angle steel 2, the length of channel-section steel 3, fastening bolt 4 of this embodiment all need confirm according to the diameter of consolidating the pipe and select for use, and angle steel 2 can select for use according to finished product hot rolling equal angle steel 2, also can adopt steel sheet welding forming.
The angle steel 2 and the channel steel 3 of the present embodiment are made of Q235B.
The installation process of the reinforcing structure of the embodiment is as follows:
according to the specification of a reinforced circular tube 1, selecting or processing matched angle steel 2 and fastening fasteners (channel steel 3, fastening bolts 4 and fastening nuts 5);
step (2) determining the number of sections of the modular angle steel 2 and the number of fastening fasteners (including the number of channel steel 3, fastening bolts 4 and fastening nuts 5) through structural stress analysis according to the length of the reinforced circular tube 1;
step (3) before the reinforced circular tube 1 is subjected to construction load, two sections of angle steel 2 are symmetrically arranged on two sides of the circular tube 1 to envelop the circular tube 1, the channel steel 3 is back to back, and the channel steel is connected and screwed through a fastening bolt 4 and a fastening nut 5;
and (4) after the assembly is completed, after the construction load is unloaded, loosening the fastening nuts 5, dismounting the fastening bolts 4, dismounting the angle steels 2 and completing the temporary reinforcing process of the whole net rack.
The invention can realize the following technical effects:
(1) the reinforcing structure only needs simple fittings such as angle steel, channel steel, bolts and the like, and has simple installation mode and light structure;
(2) the reinforced structure is simple in construction operation, is beneficial to installation and removal, can achieve the aim of recycling, and accords with the concept of green buildings;
(3) the reinforced structure is convenient to construct, large mechanical equipment such as a crane is not needed, the reinforced structure can be realized only by manual installation, and the cost is low;
(4) the reinforced structure does not need welding materials, and does not damage the original main body structure;
(5) the reinforced structure effectively avoids the workload of rechecking the structural calculation caused by the rod piece replacing mode, and the rod piece to be replaced can be calculated only after the construction hoisting scheme is determined by the mode, so that the influence on the construction period is avoided;
(6) the reinforced structure can effectively save the steel consumption of the reinforced member through segmented reinforcement;
(7) the reinforcing structure does not increase the steel consumption of the main structure.
The above description is provided for the purpose of further elaboration of the technical solutions provided in connection with the preferred embodiments of the present invention, and it should not be understood that the embodiments of the present invention are limited to the above description, and it should be understood that various simple deductions or substitutions can be made by those skilled in the art without departing from the spirit of the present invention, and all such alternatives are included in the scope of the present invention.
Claims (6)
1. The utility model provides a detachable rack segmentation reinforced structure which characterized in that: the reinforcing device comprises a reinforced circular tube and a plurality of reinforcing units which are sleeved on the circular tube and are distributed at intervals along the axial direction of the circular tube; each the reinforcement unit includes two angle steels that overlap on the pipe that is consolidated and the diagonal angle installation forms the frame-shaped structure and can dismantle and be fixed in outside two angle steels and a plurality of fastening fastener of axial interval distribution.
2. A detachable net rack sectional reinforcing structure according to claim 1, wherein: each fastening fastener comprises two channel steels which are respectively arranged at the top and the bottom of the angle steel of the frame-shaped structure, and two groups of fastening bolts and fastening nuts which are respectively arranged at the two sides of the channel steels and are used for fixing the upper channel steel and the lower channel steel.
3. A detachable net rack sectional reinforcing structure according to claim 1, wherein: the two angle steels are equal-limb angle steels, and the cross section of the formed frame-shaped structure is square.
4. A detachable net rack sectional reinforcing structure according to claim 2, wherein: the two channel steels are installed back to back, and the openings of the channel steels face outwards.
5. A detachable net rack sectional reinforcing structure according to claim 1, wherein: the length of each reinforcing unit is 800mm, and each reinforcing unit is provided with at least 5 fastening fasteners; the reinforcing units and the fastening fasteners are uniformly distributed at intervals.
6. A detachable net rack sectional reinforcing structure according to claim 1, wherein: the linear rigidity of each limb of each angle steel is greater than or equal to that of the whole reinforced circular tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011132455.0A CN112343366A (en) | 2020-10-21 | 2020-10-21 | Detachable net rack segmentation reinforced structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011132455.0A CN112343366A (en) | 2020-10-21 | 2020-10-21 | Detachable net rack segmentation reinforced structure |
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| Publication Number | Publication Date |
|---|---|
| CN112343366A true CN112343366A (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011132455.0A Pending CN112343366A (en) | 2020-10-21 | 2020-10-21 | Detachable net rack segmentation reinforced structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116084728A (en) * | 2023-01-09 | 2023-05-09 | 清华大学 | Reinforcing structure and loop bar |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140373360A1 (en) * | 2011-11-14 | 2014-12-25 | OuiCanDuit, LLC | Guardrail stanchion and system |
| CN205777448U (en) * | 2016-06-17 | 2016-12-07 | 泰兴市第一建筑安装工程有限公司 | A kind of structure for interim fixing shaped steel overhanging component |
| CN107023177A (en) * | 2017-05-23 | 2017-08-08 | 浙江精工钢结构集团有限公司 | A kind of dome-like roof temporary reinforcement method |
| CN208734115U (en) * | 2018-07-03 | 2019-04-12 | 北京首钢建设集团有限公司 | A kind of dedicated positioning apparatus of concrete column angle steel reinforced part |
| CN209308406U (en) * | 2018-07-12 | 2019-08-27 | 中建四局第一建筑工程有限公司 | A kind of reinforcement of concrete post system |
-
2020
- 2020-10-21 CN CN202011132455.0A patent/CN112343366A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140373360A1 (en) * | 2011-11-14 | 2014-12-25 | OuiCanDuit, LLC | Guardrail stanchion and system |
| CN205777448U (en) * | 2016-06-17 | 2016-12-07 | 泰兴市第一建筑安装工程有限公司 | A kind of structure for interim fixing shaped steel overhanging component |
| CN107023177A (en) * | 2017-05-23 | 2017-08-08 | 浙江精工钢结构集团有限公司 | A kind of dome-like roof temporary reinforcement method |
| CN208734115U (en) * | 2018-07-03 | 2019-04-12 | 北京首钢建设集团有限公司 | A kind of dedicated positioning apparatus of concrete column angle steel reinforced part |
| CN209308406U (en) * | 2018-07-12 | 2019-08-27 | 中建四局第一建筑工程有限公司 | A kind of reinforcement of concrete post system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116084728A (en) * | 2023-01-09 | 2023-05-09 | 清华大学 | Reinforcing structure and loop bar |
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Application publication date: 20210209 |