CN115613847B - Reinforcement devices and methods for beam bottoms in buildings with irregular cross-sections - Google Patents
Reinforcement devices and methods for beam bottoms in buildings with irregular cross-sectionsInfo
- Publication number
- CN115613847B CN115613847B CN202211270652.8A CN202211270652A CN115613847B CN 115613847 B CN115613847 B CN 115613847B CN 202211270652 A CN202211270652 A CN 202211270652A CN 115613847 B CN115613847 B CN 115613847B
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- CN
- China
- Prior art keywords
- plate
- plates
- supporting
- shaped
- stress
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Classifications
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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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- 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
- E04G23/0244—Increasing or restoring the load-bearing capacity of building construction elements of beams at places of holes, e.g. drilled in them
-
- 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
- E04G23/04—Propping of endangered or damaged buildings or building parts, e.g. with respect to air-raid action
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The device comprises a supporting component and a frame component, wherein the supporting component comprises a supporting rod which is obliquely arranged upwards, the top end of the supporting rod is connected to the lower surface of the frame component, the frame component comprises a stress plate and a plurality of U-shaped plates which are connected above the stress plate, the stress plate is arranged along the length direction of the beam, and the lower surface of the stress plate is fixedly connected with the top end of the supporting rod. The method can quickly strengthen the beam bottom, can realize the support of the beam bottom by fixing the support plate and the stress plate and adjusting the positions of the U-shaped plates by using the jackscrews, has compact steps and good implementation effect, reduces the amount of used dies, and further reduces the construction cost.
Description
Technical Field
The invention belongs to the technical field of beam bottom reinforcement for building, and particularly relates to a beam bottom reinforcement device and a beam bottom reinforcement method for building applicable to special-shaped cross sections.
Background
The girder structure is mostly composed of concrete and steel bars, and the girder is an important building component for supporting the durability of the house, and various quality problems are also caused by the fact that some girders are put into service for a long time. If the use grade of the beam bottom does not reach the standard, the whole use of the house is directly affected, and in the process of routine maintenance, the beam bottom reinforcement work needs to be carried out in time after the problem of the beam bottom is found.
In the house beam structure, the beam bottom is easy to have the following four problems of 1, insufficient bearing capacity, 2, multiple cracking, 3, exposed corrosion of reinforcing steel bars, 4, reduced safety performance and the like.
The existing beam bottom reinforcement method comprises a1, a steel bonding method, a2, a reinforcement planting method, a3, an anchoring method, a4, a carbon fiber method, a 5, a grouting method and the like.
In the methods, the economic practice is reinforcement by planting bars, and the aesthetic practice is reinforcement by carbon fibers. In the method, under the condition that the whole cross section of the beam is consistent, the construction is convenient and quick.
The above reinforcing methods, especially the method with the grouting method as the longest holding time, need to support the beam bottom first when the grouting method is implemented, reduce the deformation of the beam, then support the mould and plant the reinforcement, finally pour and realize the reinforcement of the beam bottom.
The grouting method is easier to implement when reinforcing the common beam, but due to the diversity of the existing building structure, the special-shaped beam is frequently encountered, the whole beam has a plurality of sizes, even the problem of large size difference can occur, and the special-shaped beam definitely brings great problems for reinforcement. The large-scale support assembly is more involved, the support assembly is more troublesome and not easy to turn over, even multiple support assemblies can be used, the construction progress is seriously affected, and the construction cost is increased.
Disclosure of Invention
The invention aims to provide a beam bottom reinforcing device and a beam bottom reinforcing method for building with a simple structure and good use effect, which are suitable for special-shaped cross sections.
The beam bottom reinforcing device for the house construction, which is applicable to the special-shaped cross section, comprises a supporting component and a frame component, wherein the supporting component comprises a supporting rod which is obliquely arranged upwards, the top end of the supporting rod is connected to the lower surface of the frame component, the frame component comprises a stress plate and a plurality of U-shaped plates which are connected above the stress plate, the stress plate is arranged along the length direction of the beam, and the lower surface of the stress plate is fixedly connected with the top end of the supporting rod.
The length of the supporting rod is adjustable.
The number of the supporting rods is two, and the two supporting rods are symmetrically arranged below the beam.
The bottom end of the supporting rod is hinged with a connecting plate, the top end of the supporting rod is hinged with a supporting plate, the stress plate is fixedly connected with the supporting plate.
Each U-shaped plate is uniformly distributed along the length direction of the stress plate.
The connecting plate is provided with a connecting hole.
The stress plate is provided with a threaded hole, a jackscrew is screwed in the threaded hole, and the top end of the jackscrew is propped against the lower surface of the U-shaped plate.
The quantity of jackscrews is at least the same with the quantity of U template, and jackscrew cooperation U template sets up.
The reinforcing method for the beam bottom reinforcing device for the house construction, which is suitable for the special-shaped section, sequentially comprises the following steps of (1) respectively fixing the bottom ends of two support rods on two opposite lateral walls of a building by using a connecting plate, connecting the support plates of the two support rods with a stress plate, (2) screwing jackscrews on the stress plate, (3) respectively placing all U-shaped plates above the jackscrews and enabling the jackscrews to prop against the lower surface of the U-shaped plates, (4) adjusting the length of each jackscrew to clamp the U-shaped plates between the jackscrews and the beams, and (5) filling structural adhesive between the side surfaces of the U-shaped plates and the beams to finish the reinforcement of the beams.
In the step (1), the connection method of the support plate and the stress plate is that the length of the support rod is adjusted to ensure that the two support plates are respectively positioned at 1/3 and 2/3 of the length of the stress plate, and the support plates are connected with the stress plate.
The beam bottom reinforcement device has the advantages that 1, the beam bottom reinforcement device can be used for rapidly reinforcing a beam bottom, the beam bottom reinforcement device is particularly suitable for beams with special-shaped cross sections, the beam bottom can be supported only by using one set of dies, the construction cost is low, the construction effect is good, 2, jackscrews and U-shaped plates are matched with each other, the U-shaped plates can be fixed, further the beam bottom reinforcement is realized, the formwork pouring is facilitated, the beam bottom strength is improved, 3, the length of the set supporting plates can be adjusted according to the length of the beam, the application range is wide, 4, the beam bottom reinforcement can be rapidly performed by the method, the supporting plates and the stress plates are fixed, the beam bottom can be supported only by adjusting the positions of the U-shaped plates by using jackscrews, the steps are compact, the implementation effect is good, the used die quantity is reduced, and the construction cost is further reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Detailed Description
Beam bottom reinforcing device for building construction suitable for special-shaped cross section, as shown in fig. 1, comprises a support assembly and a frame assembly. When the beam is implemented, the support assembly supports the frame assembly, the frame assembly gives support force, and the frame assembly supports the beam bottom, so that the reinforcement of the beam is realized.
Wherein, the supporting component includes the bracing piece 6 that the upward slope set up, and the length of bracing piece 6 is adjustable to can adjust according to the roof beam, improve the application scope of device. The length of the support rod 6 is adjusted to a proper position and then fixed. The length of the supporting rod 6 can be adjusted to be mature in the prior art, and the existing implementation mode is adopted.
The bottom end of the supporting rod 6 is hinged with a connecting plate 7, the top end of the supporting rod 6 is hinged with a supporting plate 1, and the frame assembly is connected with the supporting plate 1. Wherein, be equipped with connecting hole 8 on connecting plate 7, through penetrating the bolt in to connecting hole 8 on connecting plate 7, realize connecting plate 7 and building vertical wall 9's connection, and then realize connecting plate 7's fixed.
In this embodiment, the number of the support rods 6 is two, and the two support rods 6 are symmetrically arranged below the beam, so that the support to the frame assembly is improved. The connection plates 7 of the two support rods 6 are connected to two oppositely arranged vertical walls 9.
The support plate 1 is arranged horizontally, so that the support of the frame assembly is realized.
The frame assembly comprises a stress plate 2 and a plurality of U-shaped plates 4 connected above the stress plate 2, wherein the stress plate 2 is arranged along the length direction of the beam, and the lower surface of the stress plate 2 is fixedly connected with the top ends of the supporting rods 6.
Wherein, each U-shaped plate 4 is evenly distributed along the length direction of the stress plate 2. The user can set the number of U-shaped plates 4 according to the length of the beam and the degree to which the beam needs to be reinforced. Essentially ensuring a length of 20 cm between the two U-shaped plates 4.
The connection between the U-shaped plates 4 and the stressed plates 2 is realized by using jackscrews 3, the number of the jackscrews 3 is at least the same as that of the U-shaped plates 4, and the jackscrews 3 are matched with the U-shaped plates 4.
For cooperation jackscrew 3, be equipped with the screw hole on atress board 2, jackscrew 3 spiro union is in the screw hole, and the top of jackscrew 3 is overhead to be located the lower surface of U template 4.
When the support rod is used, one end of the support rod 6 is connected to the vertical wall 9 of a building, the other end of the support rod 6 is connected to the stress plate 2, then, the jackscrews 3 are connected to the stress plate 2, the U-shaped plate 4 is supported by the jackscrews 3, and the support is provided for the beam bottom to strengthen the beam bottom.
Through the cooperation of jackscrew 3 and U template 4, this device can be at first to the reinforcement of the roof beam of opposite sex cross-section, and the flexibility in use is high, for ordinary mould, this device has the turnover more.
The device disclosed by the invention can be used for quickly reinforcing the bottom of the beam, is especially suitable for beams with special-shaped cross sections, and can be used only by using one set of die, so that the construction cost is low and the construction effect is good.
The embodiment also discloses a reinforcing method by using the beam bottom reinforcing device for building construction suitable for the special-shaped section, which sequentially comprises the following steps:
(1) The bottom ends of the two support rods 6 are respectively fixed on two opposite lateral walls of the building by using connecting plates 7, and the support plates 1 of the two support rods 6 are connected with the stress plates 2.
The connecting plate 7 is fixed with the vertical wall 9 of the building by expansion screws.
In the step, the connection method of the support plates 1 and the stress plates 2 is that the lengths of the support rods 6 are adjusted to ensure that the two support plates 1 are respectively positioned at 1/3 and 2/3 of the length of the stress plates 2, and the support plates 1 are connected with the stress plates 2.
(2) The jackscrews 3 are screwed on the stress plate 2, and the jackscrews 3 are arranged every 20 centimeters according to the degree of the beam to be reinforced, and the jackscrews 3 are screwed on the stress plate 2.
(3) Each U-shaped plate 4 is placed over the jackscrews 3, respectively, and the jackscrews 3 are made to bear against the lower surface of the U-shaped plate 4. The fixing between the jackscrew 3 and the U-shaped plate 4 is realized through the friction force between the jackscrew 3 and the U-shaped plate 4.
(4) The length of each of the jackscrews 3 is adjusted so that the U-shaped plate 4 is clamped between the jackscrews 3 and the beam.
(5) And filling structural adhesive between the side surface of the U-shaped plate 4 and the beam to finish the reinforcement of the beam.
The method can quickly strengthen the beam bottom, and can realize the support of the beam bottom by fixing the support plate 1 and the stress plate 2 and adjusting the positions of the U-shaped plates 4 by using the jackscrews 3, thereby having compact steps, good implementation effect, reducing the amount of used dies and further reducing the construction cost.
Claims (5)
1. The reinforcing method for the beam bottom reinforcing device for the house construction with the special-shaped cross section is characterized by sequentially comprising the following steps of (1) respectively fixing the bottom ends of two support rods on two opposite lateral walls of a building by using a connecting plate, connecting the support plates of the two support rods with a stress plate, (2) screwing jackscrews on the stress plate, (3) respectively placing each U-shaped plate above the jackscrews and enabling the jackscrews to prop against the lower surface of the U-shaped plate, (4) adjusting the length of each jackscrew so that the U-shaped plate is clamped between the jackscrews and the beams, and (5) filling structural adhesive between the side surfaces of the U-shaped plates and the beams to finish the reinforcement of the beams;
the beam bottom reinforcing device for the house construction suitable for the special-shaped cross section comprises a supporting component and a frame component, wherein the supporting component comprises a supporting rod which is obliquely arranged upwards, and the top end of the supporting rod is connected to the lower surface of the frame component;
The length of the supporting rod is adjustable;
The number of the support rods is two, and the two support rods are symmetrically arranged below the beam;
the bottom end of the supporting rod is hinged with a connecting plate, the top end of the supporting rod is hinged with a supporting plate, the stress plate is fixedly connected with the supporting plate;
the stress plate is provided with a threaded hole, a jackscrew is screwed in the threaded hole, and the top end of the jackscrew is propped against the lower surface of the U-shaped plate.
2. The method of claim 1, wherein in the step (1), the supporting plates and the stress plates are connected by adjusting the length of the supporting rods to ensure that the two supporting plates are positioned at 1/3 and 2/3 of the length of the stress plates respectively and connecting the supporting plates and the stress plates.
3. The method of claim 1, wherein the U-shaped plates are uniformly distributed along the length of the stress plate.
4. The method of claim 3, wherein the connecting plate is provided with connecting holes.
5. The method of claim 4, wherein the number of jackscrews is at least the same as the number of U-shaped plates, and the jackscrews are arranged in cooperation with the U-shaped plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211270652.8A CN115613847B (en) | 2022-10-18 | 2022-10-18 | Reinforcement devices and methods for beam bottoms in buildings with irregular cross-sections |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211270652.8A CN115613847B (en) | 2022-10-18 | 2022-10-18 | Reinforcement devices and methods for beam bottoms in buildings with irregular cross-sections |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115613847A CN115613847A (en) | 2023-01-17 |
| CN115613847B true CN115613847B (en) | 2026-04-24 |
Family
ID=84862748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211270652.8A Active CN115613847B (en) | 2022-10-18 | 2022-10-18 | Reinforcement devices and methods for beam bottoms in buildings with irregular cross-sections |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115613847B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481144A (en) * | 2014-12-10 | 2015-04-01 | 山东天齐置业集团股份有限公司 | Beam-bottom form erection system of straightly inserted disk and pin-joined formwork support and construction method thereof |
| CN215407577U (en) * | 2021-07-14 | 2022-01-04 | 江苏弄潮儿复合材料有限公司 | Reinforced structure of inorganic carbon fiber composite and roof beam |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8418997B2 (en) * | 2009-10-23 | 2013-04-16 | Frank Bastone | Extendable support column |
| CN214303008U (en) * | 2020-09-08 | 2021-09-28 | 中建八局第一建设有限公司 | A reinforced steel structure for secondary structural beams used in housing construction |
| CN214091127U (en) * | 2020-10-23 | 2021-08-31 | 郭鹏 | Constructional engineering frame roof beam reinforcing apparatus |
-
2022
- 2022-10-18 CN CN202211270652.8A patent/CN115613847B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481144A (en) * | 2014-12-10 | 2015-04-01 | 山东天齐置业集团股份有限公司 | Beam-bottom form erection system of straightly inserted disk and pin-joined formwork support and construction method thereof |
| CN215407577U (en) * | 2021-07-14 | 2022-01-04 | 江苏弄潮儿复合材料有限公司 | Reinforced structure of inorganic carbon fiber composite and roof beam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115613847A (en) | 2023-01-17 |
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