CN114856234A - Reinforcing structure of existing structural beam and construction method thereof - Google Patents

Reinforcing structure of existing structural beam and construction method thereof Download PDF

Info

Publication number
CN114856234A
CN114856234A CN202210423932.1A CN202210423932A CN114856234A CN 114856234 A CN114856234 A CN 114856234A CN 202210423932 A CN202210423932 A CN 202210423932A CN 114856234 A CN114856234 A CN 114856234A
Authority
CN
China
Prior art keywords
reinforcement
reinforcing
mounting hole
ceiling
beam column
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210423932.1A
Other languages
Chinese (zh)
Other versions
CN114856234B (en
Inventor
李建辉
高爱辉
雷艳辉
于飞
张辉
刘利国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Shougang Construction Group Co Ltd
Original Assignee
Beijing Shougang Construction Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Shougang Construction Group Co Ltd filed Critical Beijing Shougang Construction Group Co Ltd
Priority to CN202210423932.1A priority Critical patent/CN114856234B/en
Publication of CN114856234A publication Critical patent/CN114856234A/en
Application granted granted Critical
Publication of CN114856234B publication Critical patent/CN114856234B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218Increasing or restoring the load-bearing capacity of building construction elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/02Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/04Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for lintels, beams, or transoms to be encased separately; Special tying or clamping means therefor
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G19/00Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02Conveying or working-up concrete or similar masses able to be heaped or cast
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/002Arrangements for cleaning building facades

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

The application relates to the field of structural beams, in particular to a reinforcing structure of an existing structural beam and a construction method of the reinforcing structure. This application has when the reinforcement beam column, advances reinforced (rfd) effect to beam column and ceiling hookup location.

Description

Reinforcing structure of existing structural beam and construction method thereof
Technical Field
The invention relates to the field of structural beams, in particular to a reinforcing structure of an existing structural beam and a construction method thereof.
Background
Structural beams are elements used in buildings to add strength to any structure or design, and are made of steel, concrete or wood, and are generally cast of reinforced concrete, and are generally beams for supporting the ceiling and the floor structure itself, and columns vertically disposed between the ceiling and the floor to support the ceiling.
In the operation of rebuilding an existing building, it is sometimes necessary to reinforce an existing beam column to reinforce the structure of the beam column, and in the related art, a method of reinforcing the beam column is to attach a steel plate to the beam column by using a structural adhesive.
In view of the above-mentioned related art, the inventor believes that there is a defect that the method of attaching the steel plate to the beam column reinforces the beam column, only reinforces the structure of the beam column itself, does not reinforce the position where the beam column is connected with the ceiling, and has a poor reinforcing effect.
Disclosure of Invention
In order to reinforce a beam column and reinforce the connecting position of the beam column and a ceiling at the same time, the application provides a reinforcing structure of an existing structural beam and a construction method thereof.
In a first aspect, the present application provides a reinforcing structure of an existing structural beam, which adopts the following technical scheme:
the utility model provides a reinforced structure of existing structure roof beam, includes first reinforced structure, second reinforced structure and back up coat, first reinforced structure installs on the ceiling, second reinforced structure, back up coat all set up on the outer wall of beam column, second reinforced structure inlays and establishes in the back up coat, the back up coat with connect first reinforced structure and second reinforced structure fixed connection.
Through adopting above-mentioned technical scheme, through set up the back up coat outside the beam column, the diameter of existing beam column and the common diameter of back up coat as new beam column has increased beam column bearing structure's cross-sectional area, and second reinforced structure is used for strengthening the structure of back up coat, and first reinforced structure is used for increasing the connection structure of beam column and ceiling junction to make the reinforcing effect of existing structure roof beam better, prolonged the life of beam column and building.
Preferably, first reinforcement includes connecting plate, reinforcement sleeve and coupling assembling, first mounting hole has been seted up on the ceiling, set up the second mounting hole that corresponds with first mounting hole on the connecting plate, coupling assembling installs in first mounting hole and second mounting hole in order to fix the connecting plate on the ceiling, reinforcement sleeve is fixed with the connecting plate, the back up layer sets up between reinforcement sleeve and connecting plate.
Through adopting above-mentioned technical scheme, set up first mounting hole on the ceiling, set up the second mounting hole that corresponds with first mounting hole on the connecting plate, through set up coupling assembling in first mounting hole and second mounting hole to fix the connecting plate on the ceiling, simultaneously, connecting plate and coupling assembling are used for connecting ceiling and sleeve, and the sleeve cover is established at the top of beam column, strengthens the structure at beam column top.
Preferably, the reinforcing sleeve is internally and fixedly provided with a reinforcing rib, and the reinforcing rib is embedded in the reinforcing layer.
Through adopting above-mentioned technical scheme, the strengthening rib inlays to be established in the reinforcement layer, has increased the ability of shearing between beam column and the ceiling to increase the stability that beam column and ceiling are connected.
Preferably, coupling assembling includes connecting rod, cutting ferrule and coupling nut, the cutting ferrule cover is established on the connecting rod, set up jaggedly on the cutting ferrule, be provided with on the connecting rod and be used for propping big breach so that the cutting ferrule supports the fixture block in the tight first mounting hole, the fixture block is the setting of round platform type, and the diameter of the one end terminal surface that fixture block and connecting rod are connected is less than the diameter of fixture block other end terminal surface, coupling nut and connecting rod threaded connection, the connecting plate sets up between ceiling and coupling nut.
Through adopting above-mentioned technical scheme, the connecting rod that will overlap and be equipped with the cutting ferrule is arranged in first mounting hole and second mounting hole, and the connecting plate is arranged in between ceiling and coupling nut, rotates coupling nut, makes the connecting rod slide in the cutting ferrule, until in the fixture block embedding cutting ferrule, breach grow this moment to support the cutting ferrule tightly on the inner wall of first mounting hole, and then reach and fix the purpose on the ceiling with the connecting plate through coupling assembling.
Preferably, the second reinforcing structure comprises a plurality of reinforcing ribs, the reinforcing ribs are sleeved outside the beam column and abutted against the beam column, and the reinforcing ribs are abutted against each other.
Through adopting above-mentioned technical scheme, the intensity of beam column has been strengthened in the setting of reinforcement muscle to reinforcing beam column's structure and atress ability play the effect of protection beam column.
Preferably, the second reinforced structure still includes structure muscle, first splice bar and second splice bar, the reinforcement muscle sets up and establishes outside the beam column a plurality of and all the cover, the interval sets up between reinforcement muscle and the structure muscle, first splice bar is fixed to be set up between structure muscle and reinforcement muscle, adjacent structure muscle interval sets up, and the second splice bar is fixed to be set up between adjacent structure muscle.
Through adopting above-mentioned technical scheme, structure muscle, first splice bar and second splice bar are used for increasing the structure on beam column outer reinforcement layer, and first splice bar is used for connection structure muscle and reinforcement muscle, and the second splice bar is used for playing the supporting role between adjacent structure muscle.
In a second aspect, the present application provides a method for constructing a reinforcing structure of an existing structural beam, which adopts the following technical solution, and the reinforcing structure of the existing structural beam includes
Determining the position of the reinforcing steel bars in the ceiling;
cleaning the beam column;
securing the connection plate to a ceiling using the connection assembly;
installing the second reinforcing structure outside the beam column;
mounting the reinforcing sleeve on the connecting plate;
setting the reinforcing layer: .
Through adopting above-mentioned technical scheme, confirm the position of reinforcing bar in the ceiling earlier, appear destroying the phenomenon of reinforcing bar structure in the ceiling in order to reduce the construction in later stage, clear up the beam column, appear the structure that the beam column surface is broken more easily and is peeled off in order to reduce, with the connection structure of stiffening beam column and second fixed knot structure, set up the back reinforcement layer again after connecting plate, second reinforced structure, reinforcement sleeve are installed, with the second reinforced structure with the beam column be connected and inlay and establish in the reinforcement layer.
Preferably, in the cleaning beam column:
removing a whitewashing layer on the surface of the beam column;
and polishing the outer surface of the beam column with the removed painting layer to be flat, and cleaning the beam column.
Through adopting above-mentioned technical scheme, get rid of the whitewashed layer on beam column surface to reach the purpose that reduces the beam column surface and appear easy breakage and peel off the structure, the whitewashed layer that will reject the surface of beam column is polished smoothly, and the sanitization, in order to improve the stability of being connected between second fixed knot constructs and the beam column.
Preferably, the connection plate construction connection assembly is fixed in the ceiling,
the first mounting hole is formed in the ceiling;
determining the position of the second mounting hole according to the first mounting hole, and forming the second mounting hole on the connecting plate;
and arranging the connecting rod and the clamping sleeve in the first mounting hole, enabling the second mounting hole in the connecting plate to penetrate through the connecting rod, and connecting the connecting nut and the connecting rod in a threaded connection mode to fix the connecting plate.
Through adopting above-mentioned technical scheme, confirm first mounting hole according to the reinforcing bar position in the ceiling, confirm the position of second mounting hole on the connecting plate according to first mounting hole, place coupling assembling in first mounting hole and second mounting hole again and install to make first mounting hole correspond with the second mounting hole.
Preferably, in the step of providing the reinforcing layer,
a first pouring hole is formed in the ceiling, and a second pouring hole is formed in the connecting plate;
a pouring template is arranged on the outer side of the structural rib,
pouring concrete between the pouring template and the beam column through the first pouring hole and the second pouring hole;
standing to form the reinforcing layer, and removing the pouring template
Through adopting above-mentioned technical scheme, set up the space that is used for forming the back up coat through pouring the template, pour the hole through first and pour hole and pour into cement to pouring in the template with the second, in order to form the back up coat after standing still.
Drawings
Fig. 1 is a schematic cross-sectional view of a reinforcement structure of an existing structural beam according to an embodiment of the present application.
Fig. 2 is an exploded view of a first reinforcement structure of a reinforcement structure of an existing structural beam according to an embodiment of the present disclosure.
Fig. 3 is a schematic structural view of a connecting assembly in a reinforcing structure of an existing structural beam according to an embodiment of the present application.
Fig. 4 is a schematic cross-sectional view illustrating a first reinforcement structure in a reinforcement structure of an existing structural beam according to an embodiment of the present application.
Fig. 5 is a schematic view of the overall structure of a second reinforcement structure in the reinforcement structure of an existing structural beam according to the embodiment of the present application.
Fig. 6 is a schematic structural diagram of a pouring template in a second reinforcement method in a reinforcement structure of an existing structural beam according to an embodiment of the present application.
Reference numerals:
1. a first reinforcing structure; 10. a connecting plate; 100. a hole of abdication; 101. a second mounting hole; 11. reinforcing the sleeve; 110. reinforcing ribs; 12. a connecting assembly; 120. a connecting rod; 121. a card sleeve; 122. a connecting nut; 123. a notch; 124. a clamping block; 2. a second reinforcing structure; 20. reinforcing ribs; 21. a structural rib; 22. a first connecting rib; 23. a second connecting rib; 3. a reinforcement layer; 30. sinking the shoulder; 4. a beam column; 5. a ceiling; 50. a first mounting hole; 60. a first casting hole; 61. a second pouring hole; 7. pouring a template; 70. a first template; 700. an arc-shaped plate; 701. a fixing plate; 71. a second template; 72. a fastener; 720. fastening a bolt; 721. and (5) tightening the nut.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a reinforcing structure of an existing structural beam,
referring to fig. 1, the reinforcing structure of the existing structural beam comprises a first reinforcing structure 1, a second reinforcing structure 2 and a reinforcing layer 3, wherein the reinforcing layer 3 is arranged on the outer wall of a beam column 4, the reinforcing layer 3 is made of cement, the second reinforcing structure 2 is fixedly connected with the beam column 4, the second reinforcing structure 2 is embedded in the reinforcing layer 3, and the first reinforcing structure 1 is fixedly connected with a ceiling 5 and the reinforcing layer 3.
Referring to fig. 1 and 2, a first reinforcing structure 1 includes a connecting plate 10, a reinforcing sleeve 11 and a connecting assembly 12, the connecting plate 10 is formed by splicing two plates, a yielding hole 100 for a beam column 4 to pass is formed in the connecting plate 10, the reinforcing sleeve 11 is welded to the connecting plate 10, the reinforcing sleeve 11 is sleeved outside the beam column 4 to be reinforced, and the connecting assembly 12 is used for fixing the connecting plate 10 on a ceiling 5.
Referring to fig. 2, a first mounting hole 50 is formed in the ceiling 5, a second mounting hole 101 is formed in the connecting plate 10, and the connecting assembly 12 is inserted into the first mounting hole 50 and the second mounting hole 101. Referring to fig. 3, the connecting assembly 12 includes a connecting rod 120, a ferrule 121 and a connecting nut 122, the ferrule 121 is set to be a cylindrical structure, the ferrule 121 is sleeved on the connecting rod 120, the ferrule 121 is slidably connected to the connecting rod 120, a notch 123 is provided on the ferrule 121, one end of the connecting rod 120 is provided with an external thread, the connecting nut 122 is in threaded connection with the connecting rod 120, a fixture block 124 is integrally provided at the other end of the connecting rod 120, the fixture block 124 is in a truncated cone shape, and the diameter of the end face of one end of the fixture block 124 connected to the connecting rod 120 is smaller than the diameter of the end face of the other end of the fixture block 124.
The connecting rod 120 provided with the clamping sleeve 121 is arranged in the first mounting hole 50 and the second mounting hole 101, the connecting plate 10 is arranged between the ceiling 5 and the connecting nut 122, the connecting nut 122 is rotated to enable the connecting rod 120 to slide in the clamping sleeve 121 until the clamping block 124 is embedded into the clamping sleeve 121, and the gap 123 is enlarged at the moment to enable the clamping sleeve 121 to be tightly abutted to the inner wall of the first mounting hole 50, so that the purpose of fixing the connecting plate 10 on the ceiling 5 through the connecting assembly 12 is achieved.
Referring to fig. 2, reinforcement sleeve 11 sets up to cylindrical tubular structure, reinforcement sleeve 11 is formed by two arcs 700 welding, reinforcement sleeve 11 and the lower surface welding of connecting plate 10, reinforcement sleeve 11's inner wall is provided with a plurality of strengthening ribs 110, strengthening rib 110 inlays and establishes in back up coat 3, strengthening rib 110 sets up to the reinforcing bar, the one end of strengthening rib 110 and reinforcement sleeve 11's inner wall welding, strengthening rib 110 sets up to the multirow along reinforcement sleeve 11's axis direction, every row of strengthening rib 110 is even along the circumferencial direction of reinforcement sleeve 11 internal diameter, the interval sets up a plurality ofly.
Referring to fig. 4, the reinforcement layer 3 is disposed between the reinforcement sleeve 11 and the beam column 4. The reinforcing layer 3 is provided with a sinking shoulder 30, the reinforcing sleeve 11 is embedded in the sinking shoulder 30, and the outer wall of the reinforcing sleeve 11 is flush with the outer wall of the reinforcing layer 3.
Referring to fig. 5, second reinforced structure 2 includes reinforcement muscle 20, structure muscle 21, first splice bar 22 and second splice bar 23, and reinforcement muscle 20 is the annular shape of buckling into for a reinforcing bar, and the both ends welding of reinforcement muscle 20, reinforcement muscle 20 cover are established outside beam column 4, reinforcement muscle 20 and beam column 4 butt, and reinforcement muscle 20 sets up to a plurality of and sets up side by side along the length direction of beam column 4, butt between the adjacent reinforcement muscle 20.
Structural reinforcement 21 is the reinforcing bar and buckles into the annular shape, and the both ends welding of structural reinforcement 21, and the structural reinforcement 21 cover is established outside beam column 4, and the interval sets up between structural reinforcement 21 and the reinforcement muscle 20, and first splice bar 22 sets up between structural reinforcement 21 and reinforcement muscle 20, and the both ends of first splice bar 22 weld with structural reinforcement 21, strengthening rib 110 respectively. The length direction of structure muscle 21 edge beam column 4 sets up to a plurality ofly, and the interval sets up between the adjacent structure muscle 21, and second splice bar 23 sets up between adjacent structure muscle 21, and the both ends of second splice bar 23 respectively with adjacent structure muscle 21 welding.
The implementation principle of the reinforcing structure of the existing structural beam is as follows: reinforcing rib 20 cover is established outside beam column 4, consolidates beam column 4's structure, and structure rib 21, first splice bar 22 and second splice bar 23 play the purpose of strengthening the 3 structures of back up coat, and back up coat 3 and ceiling 5 are connected to first reinforcing structure 1, in reinforcing beam column 4, consolidates beam column 4 and ceiling 5's structure.
The embodiment of the application also discloses a construction method for the reinforcing structure of the existing structural beam, which comprises the following steps:
s1: determining the position of the reinforcing steel bars in the ceiling 5;
the position of the reinforcing bars in the ceiling 5 is determined using a detecting device in conjunction with the drawing of the house construction, and the position of the reinforcing bars is marked on the ceiling 5 using a marking pen.
S2: cleaning the beam column 4;
and S20, removing the whitewash layer on the surface of the beam column 4.
And S21, polishing and flattening the outer surface of the beam column 4 from which the brushing layer is removed, and cleaning the beam column.
S3, fixing the connection plate 10 on the ceiling 5 by using the connection assembly 12
S30, forming a first mounting hole 50 on the ceiling 5, wherein the first mounting hole 50 avoids the steel bar structure in the ceiling when being formed;
s31, determining the position of the second mounting hole 101 according to the first mounting hole 50, and forming the second mounting hole 101 on the connecting plate 10;
s32, the connecting rod 120 and the ferrule 121 are placed in the first mounting hole 50, the second mounting hole 101 of the connecting plate 10 is made to penetrate through the connecting rod 120, and the connecting nut 122 is screwed with the connecting rod 120 to fix the connecting plate 10.
And S5, mounting the reinforcing sleeve 11 on the connecting plate 10.
S6, arranging a reinforcing layer 3;
and S60, referring to FIG. 2, a first pouring hole 60 is formed in the ceiling 5, a second pouring hole 61 is formed in the connecting plate 10, and the first pouring hole 60 corresponds to the second pouring hole 61.
And S61, arranging the pouring template 7 outside the structural ribs 21.
Specifically, the pouring template 7 includes a first template 70, a second template 71 and a fastening member 72, the first template 70 includes two arc-shaped plates 700 and two fixing plates 701, the fixing plates 701 are respectively welded on two sides of the arc-shaped plates 700, the cross sections of the arc-shaped plates 700 are arranged in a semicircular shape, the structure of the second template 71 is the same as that of the first template 70, the two arc-shaped plates 700 can be spliced into a cylindrical shape, the fixing plate 701 on the first template 70 is abutted to the fixing plate 701 on the second template 71, a through hole is formed in the fixing plate 701, the fastening member 72 includes a fastening bolt 720 and a fastening nut 721, the fastening bolt 720 is made to penetrate through the through hole in the abutted fixing plate 701, the fastening nut 721 is mounted on the fastening bolt 720, so as to pour the mould, 7 installation fixed and when pouring template 7 and installing on beam column 4, the lower surface butt of the top terminal surface of arc 700 and reinforcing sleeve 11 bottom terminal surface.
And S62, pouring concrete between the pouring template 7 and the beam column 4 through the first pouring hole 60 and the second pouring hole 61.
S63, standing to form the concrete, and removing the pouring template 7;
the implementation principle of the construction method for the reinforcing structure of the existing structural beam in the embodiment of the application is as follows: through reinforcing rib 20 with structural reinforcement 21, first splice bar 22 and second splice bar 23 are fixed on beam column 4, the method of rethread pouring sets up back up coat 3, make structural reinforcement 21, first splice bar 22 and second splice bar 23 all set up in back up coat 3, in order to realize carrying out the mesh of consolidating to beam column 4 through increasing beam column 4 horizontal area, the setting of reinforcement sleeve 11, the structure of beam column 4 with ceiling 5 junction has been strengthened, strengthening rib 110 increases the ability of shearing of beam column 4 with ceiling 5 junction, in order to reach the mesh of consolidating to existing structural beam.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a reinforced structure of existing structure roof beam which characterized in that: including first reinforced structure (1), second reinforced structure (2) and back up coat (3), first reinforced structure (1) is installed on ceiling (5), second reinforced structure (2), back up coat (3) all set up on the outer wall of beam column (4), second reinforced structure (2) inlay and establish in back up coat (3), back up coat (3) and first reinforced structure (1) and second reinforced structure (2) fixed connection.
2. The reinforcement structure of an existing structural beam according to claim 1, wherein: first reinforcement includes connecting plate (10), reinforcement sleeve (11) and coupling assembling (12), first mounting hole (50) have been seted up on ceiling (5), set up second mounting hole (101) that correspond with first mounting hole (50) on connecting plate (10), coupling assembling (12) are installed in first mounting hole (50) and second mounting hole (101) in order to fix connecting plate (10) on ceiling (5), reinforcement sleeve (11) are fixed with connecting plate (10), back up layer (3) set up between reinforcement sleeve (11) and connecting plate (10).
3. The reinforcement structure of an existing structural beam, according to claim 2, wherein reinforcing ribs (110) are fixedly arranged in the reinforcing sleeve (11), and the reinforcing ribs (110) are embedded in the reinforcing layer (3).
4. The reinforcement structure of an existing structural beam according to claim 2, wherein: coupling assembling (12) are including connecting rod (120), cutting ferrule (121) and coupling nut (122), cutting ferrule (121) cover is established on connecting rod (120), breach (123) have been seted up on cutting ferrule (121), be provided with on connecting rod (120) and be used for propping big breach (123) so that cutting ferrule (121) support fixture block (124) tight at first mounting hole (50) inner wall, fixture block (124) are the setting of round platform type, and the diameter of the one end terminal surface that fixture block (124) and connecting rod (120) are connected is less than the diameter of fixture block (124) other end terminal surface, coupling nut (122) and connecting rod (120) threaded connection, connecting plate (10) set up between ceiling (5) and coupling nut (122).
5. The reinforcement structure of an existing structural beam according to any one of claims 2 to 4, wherein: the second reinforcing structure (2) comprises a plurality of reinforcing ribs (20), the reinforcing ribs (20) are sleeved outside the beam column (4) and abutted against the beam column (4), and the reinforcing ribs (20) are abutted against each other.
6. The reinforcement structure of an existing structural beam according to claim 5, wherein: second reinforced structure (2) still include structural reinforcement (21), first splice bar (22) and second splice bar (23), reinforcement bar (20) set up a plurality of and all the cover establish outside beam column (4), the interval sets up between reinforcement bar (20) and structural reinforcement (21), first splice bar (22) is fixed to be set up between structural reinforcement (21) and reinforcement bar (20), and is adjacent structural reinforcement (21) interval sets up, and second splice bar (23) is fixed to be set up between adjacent structural reinforcement (21).
7. A construction method of a reinforcing structure of an existing structural beam using the reinforcing structure of an existing structural beam according to claim 6, characterized in that: comprises that
Determining the position of the reinforcing steel bars in the ceiling (5);
cleaning the beam column (4);
-fixing the connection plate (10) to the ceiling (5) using the connection assembly (12);
-mounting the second reinforcement structure (2) outside the beam-column (4);
-mounting the reinforcement sleeve (11) on the connection plate (10);
-providing said reinforcement layer (3).
8. The reinforcement structure of an existing structural beam according to claim 7, wherein: in the cleaning beam column (4):
removing a whitewashing layer on the surface of the beam column (4);
and (3) polishing the outer surface of the beam column (4) with the removed brushing layer to be flat, and cleaning.
9. The existing structural beam reinforcing structure construction method according to claim 7, wherein: the construction connecting component (12) for the connecting plate (10) is fixed in the ceiling (5),
the first mounting hole (50) is formed in the ceiling (5);
determining the position of the second mounting hole (101) according to the first mounting hole (50), and opening the second mounting hole (101) on the connecting plate (10);
the connecting rod (120) and the clamping sleeve (121) are placed in the first mounting hole (50), the second mounting hole (101) in the connecting plate (10) penetrates through the connecting rod (120), and the connecting nut (122) is in threaded connection with the connecting rod (120) so as to fix the connecting plate (10).
10. The existing structural beam reinforcing structure construction method according to claim 7, wherein: in the arrangement of the reinforcing layer (3),
a first pouring hole (60) is formed in the ceiling (5), and a second pouring hole (61) is formed in the connecting plate (10);
a pouring template (7) is arranged on the outer side of the structural rib (21),
pouring concrete between the pouring template and the beam column (4) through the first pouring hole (60) and the second pouring hole (61);
and (4) standing to form the reinforcing layer (3), and then removing the pouring template (7).
CN202210423932.1A 2022-04-22 2022-04-22 Reinforcing structure of existing structural beam and construction method thereof Active CN114856234B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210423932.1A CN114856234B (en) 2022-04-22 2022-04-22 Reinforcing structure of existing structural beam and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210423932.1A CN114856234B (en) 2022-04-22 2022-04-22 Reinforcing structure of existing structural beam and construction method thereof

Publications (2)

Publication Number Publication Date
CN114856234A true CN114856234A (en) 2022-08-05
CN114856234B CN114856234B (en) 2024-01-19

Family

ID=82631675

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210423932.1A Active CN114856234B (en) 2022-04-22 2022-04-22 Reinforcing structure of existing structural beam and construction method thereof

Country Status (1)

Country Link
CN (1) CN114856234B (en)

Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1050245A (en) * 1988-12-13 1991-03-27 陆建衡 Storey-adding constructure for low-storey building
CA2250776A1 (en) * 1998-04-17 1999-10-17 Obayashi Corporation Method for reinforcing wall structure
CN1584264A (en) * 2004-06-16 2005-02-23 李国雄 Fastening method for high-strength concrete epibolic thin-layer and coupled columns
JP2007126910A (en) * 2005-11-04 2007-05-24 Miracle Three Corporation Extension building
JP2009249982A (en) * 2008-04-10 2009-10-29 Daiwa Odakyu Construction Co Ltd Reinforcing structure and reinforcing construction method of existing concrete skeleton
KR20120122276A (en) * 2011-04-28 2012-11-07 동국대학교 산학협력단 Method of strengthening shearing force of precast concrete
JP2015010345A (en) * 2013-06-27 2015-01-19 株式会社長谷工コーポレーション Additionally placed reinforcement structure of existing column
CN107675899A (en) * 2017-11-21 2018-02-09 南京林业大学 A kind of connecting elements and its construction method of the displacement of existing building pin
CN207700746U (en) * 2017-10-23 2018-08-07 南京百西思建筑科技有限公司 The upper buttress of existing building base isolation reinforcement constructs
CN108798053A (en) * 2018-05-31 2018-11-13 昆明理工大学 A kind of method that ECC reinforces damaged frame Structure Beam-column node
CN208235710U (en) * 2018-05-03 2018-12-14 安徽省交通控股集团有限公司 A kind of weld nest formula tubular support connection structure
CN110080392A (en) * 2019-05-06 2019-08-02 重庆大学 A kind of detachable steel pipe concrete column-steel beam-floor assembly
CN110094009A (en) * 2019-05-08 2019-08-06 北京城建八建设发展有限责任公司 A kind of ceiling tie bar device
CN210086509U (en) * 2019-04-28 2020-02-18 安徽军瑶新型材料有限公司 Reinforcement type assembly building package cylinder
KR102093071B1 (en) * 2019-08-05 2020-03-24 주식회사 에스엠피건설 A seismic portal structures attached out-plane square framed type strengthened by level-gap plates and sleeve-cap anchors
CN111827704A (en) * 2019-04-17 2020-10-27 深圳市中固建筑加固技术有限公司 Reinforced concrete structure and reinforcing method
CN112211428A (en) * 2020-10-30 2021-01-12 上海建工五建集团有限公司 Reinforced structure of reinforced concrete structure column and construction method thereof
KR20210051586A (en) * 2019-10-30 2021-05-10 한국교통대학교산학협력단 Reinforcement method of concrete structure using a wire and a reinforcing panel
CN213269050U (en) * 2020-09-11 2021-05-25 武汉博开建筑工程有限公司 Large-area beam reinforcing structure
CN113026940A (en) * 2021-03-25 2021-06-25 天津中冀建设集团有限公司 Super high-rise building core tube steel column connecting structure and core tube construction method
CN113374180A (en) * 2021-06-22 2021-09-10 姚攀峰 Grouting sleeve connection concrete reinforcing structure and construction method
CN214575950U (en) * 2021-01-26 2021-11-02 中铁十六局集团城市建设发展有限公司 Archaize building structure reinforcing apparatus
CN214697062U (en) * 2021-04-15 2021-11-12 中国建筑第二工程局有限公司 Construction system of roof boarding and newly-built structure post node in reverse construction transformation

Patent Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1050245A (en) * 1988-12-13 1991-03-27 陆建衡 Storey-adding constructure for low-storey building
CA2250776A1 (en) * 1998-04-17 1999-10-17 Obayashi Corporation Method for reinforcing wall structure
CN1584264A (en) * 2004-06-16 2005-02-23 李国雄 Fastening method for high-strength concrete epibolic thin-layer and coupled columns
JP2007126910A (en) * 2005-11-04 2007-05-24 Miracle Three Corporation Extension building
JP2009249982A (en) * 2008-04-10 2009-10-29 Daiwa Odakyu Construction Co Ltd Reinforcing structure and reinforcing construction method of existing concrete skeleton
KR20120122276A (en) * 2011-04-28 2012-11-07 동국대학교 산학협력단 Method of strengthening shearing force of precast concrete
JP2015010345A (en) * 2013-06-27 2015-01-19 株式会社長谷工コーポレーション Additionally placed reinforcement structure of existing column
CN207700746U (en) * 2017-10-23 2018-08-07 南京百西思建筑科技有限公司 The upper buttress of existing building base isolation reinforcement constructs
CN107675899A (en) * 2017-11-21 2018-02-09 南京林业大学 A kind of connecting elements and its construction method of the displacement of existing building pin
CN208235710U (en) * 2018-05-03 2018-12-14 安徽省交通控股集团有限公司 A kind of weld nest formula tubular support connection structure
CN108798053A (en) * 2018-05-31 2018-11-13 昆明理工大学 A kind of method that ECC reinforces damaged frame Structure Beam-column node
CN111827704A (en) * 2019-04-17 2020-10-27 深圳市中固建筑加固技术有限公司 Reinforced concrete structure and reinforcing method
CN210086509U (en) * 2019-04-28 2020-02-18 安徽军瑶新型材料有限公司 Reinforcement type assembly building package cylinder
CN110080392A (en) * 2019-05-06 2019-08-02 重庆大学 A kind of detachable steel pipe concrete column-steel beam-floor assembly
CN110094009A (en) * 2019-05-08 2019-08-06 北京城建八建设发展有限责任公司 A kind of ceiling tie bar device
KR102093071B1 (en) * 2019-08-05 2020-03-24 주식회사 에스엠피건설 A seismic portal structures attached out-plane square framed type strengthened by level-gap plates and sleeve-cap anchors
KR20210051586A (en) * 2019-10-30 2021-05-10 한국교통대학교산학협력단 Reinforcement method of concrete structure using a wire and a reinforcing panel
CN213269050U (en) * 2020-09-11 2021-05-25 武汉博开建筑工程有限公司 Large-area beam reinforcing structure
CN112211428A (en) * 2020-10-30 2021-01-12 上海建工五建集团有限公司 Reinforced structure of reinforced concrete structure column and construction method thereof
CN214575950U (en) * 2021-01-26 2021-11-02 中铁十六局集团城市建设发展有限公司 Archaize building structure reinforcing apparatus
CN113026940A (en) * 2021-03-25 2021-06-25 天津中冀建设集团有限公司 Super high-rise building core tube steel column connecting structure and core tube construction method
CN214697062U (en) * 2021-04-15 2021-11-12 中国建筑第二工程局有限公司 Construction system of roof boarding and newly-built structure post node in reverse construction transformation
CN113374180A (en) * 2021-06-22 2021-09-10 姚攀峰 Grouting sleeve connection concrete reinforcing structure and construction method

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
刘健: "深圳免税大厦转换层施工技术", 山西建筑, no. 13 *
王介炀;葛然;: "既有预应力屋面新增结构柱的节点设计及施工技术", 施工技术, no. 1 *
黄凯;戴超;杜福祥;袁渊;吕欣豪;张梅;: "重庆国金中心塔楼水平构件钢筋连接技术", 施工技术, no. 08 *

Also Published As

Publication number Publication date
CN114856234B (en) 2024-01-19

Similar Documents

Publication Publication Date Title
CN110528950B (en) Assembled hidden bracket type beam-column joint connecting device
KR102181972B1 (en) Bridge inspection facility construction method and bridge inspection facility constructed thereby
CN106401069A (en) Damage repairing assembly type combined column with self-reset function
JPH11256687A (en) Framework structure and framework construction method
CN109235236B (en) Assembly type hollow pipe pier based on flange connection and construction method thereof
CN214246327U (en) Pre-buried formula constructional column framework of steel reinforcement
CN213951947U (en) Prefabricated bridge of pin-connected panel
CN114856234A (en) Reinforcing structure of existing structural beam and construction method thereof
CN212406134U (en) Cornice plate pouring support frame for building construction
CN210459769U (en) Prefabricated hollow column and assembled concrete column
CN111827704A (en) Reinforced concrete structure and reinforcing method
CN212801942U (en) Assembled prestressed column-beam joint structure
CN211973828U (en) Steel beam connecting device for assembly type building
JP7058245B2 (en) Connection structure of wall connection mounting hardware and temporary scaffolding using the hardware
CN210563537U (en) Steel structural framework old building post roof beam node reinforced structure
CN210316188U (en) Laminated slab bottom plate connected by end inserting ribs
CN210238767U (en) Prefabricated assembled beam column node adopting pressure-bearing steel plate
CN113914333A (en) Slope protection monomer component, slope protection structure and slope protection construction method
KR20170007194A (en) Wooden Bridge Structure for Biosphere Preservationa Construction Method Thereof
KR100452976B1 (en) Joint structure of steel plate reinforced RC beam and slab for slim floor system
KR100452977B1 (en) Joint structure and construction method of RC beam and slab for slim floor system
JP2003293597A (en) Seismically reinforcing structure for building
CN117758601B (en) Assembled pier without bearing platform for high-intensity areas and construction method
CN215211157U (en) Support column for underground
CN216239024U (en) Wall connecting piece

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant