CN216076456U - End part of masonry structure reinforced by steel tie plate and steel pull rod supported by angle steel - Google Patents
End part of masonry structure reinforced by steel tie plate and steel pull rod supported by angle steel Download PDFInfo
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- CN216076456U CN216076456U CN202121531731.0U CN202121531731U CN216076456U CN 216076456 U CN216076456 U CN 216076456U CN 202121531731 U CN202121531731 U CN 202121531731U CN 216076456 U CN216076456 U CN 216076456U
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Abstract
The utility model relates to a method for reinforcing the end part of a masonry structure by adopting a steel base plate and an angle steel bracket steel pull rod, which comprises an angle steel bracket, a steel base plate, a ring beam and a constructional column, wherein the angle steel bracket is arranged on the steel base plate; the angle steel brackets are arranged at the lower parts of the floor slabs or the roof slabs of the masonry structure and the corners of the original structure wall; one flange of the angle steel bracket is tightly attached to the lower skin of a floor slab or a roof slab, and the other flange of the angle steel bracket is tightly attached to the wall surface of the wall body of the original structure; the angle steel brackets are symmetrically arranged on two sides of the original structural wall body; the angle steel bracket is connected with the original structure outer wall through a steel base plate and poured together with the ring beam and the constructional column.
Description
Technical Field
The utility model relates to a method for reinforcing the end part of a masonry structure by using a steel base plate and an angle steel bracket steel pull rod, belonging to the technical field of existing building transformation.
Background
The existing masonry structure house is reinforced in earthquake-proof mode, and a reinforcing method that reinforced concrete constructional columns, ring beams and inner transverse walls and steel pull rods are additionally arranged on outer walls is generally adopted. After multiple earthquake verification, the method is safe and reliable, the ductility of the structure is obviously improved, and the collapse resistance of the structure is enhanced. However, if the steel pull rod is replaced by the angle steel support, the position and the length of the angle steel support are the same as those of the steel pull rod, the cross-sectional area of the angle steel support is far larger than that of the steel pull rod, the length of the end support of the floor slab is increased, the angle steel support plays a role in pulling the transverse wall, the transverse wall and the transverse wall share the earthquake shearing force, the ductility of the transverse wall is enhanced, and the shearing-resistant bearing capacity is improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a method for reinforcing the end part of a masonry structure by adopting a steel base plate and an angle steel bracket steel pull rod, which mainly adopts an angle steel bracket to replace the steel pull rod for the seismic reinforcement of the existing masonry structure, in particular to a method for connecting the end part of the angle steel bracket steel pull rod with the original structure outer wall by adopting the steel base plate and a ring beam structural column, and adopts the following technical scheme:
a masonry structure end portion is reinforced by steel base plates and angle steel bracket steel pull rods, as shown in figures 1-7, the masonry structure end portion comprises angle steel brackets, steel base plates, ring beams and constructional columns; the angle steel brackets are arranged at the lower parts of the floor slabs or the roof slabs of the masonry structure and the corners of the original structure wall; one flange of the angle steel bracket is tightly attached to the lower skin of a floor slab or a roof slab, and the other flange of the angle steel bracket is tightly attached to the wall surface of the wall body of the original structure; the angle steel brackets are symmetrically arranged on two sides of the original structural wall body; the angle steel bracket is connected with the original structure outer wall by a steel base plate and is poured together with the ring beam and the constructional column; sealing plates are welded at two ends of the angle steel support, and sealing plate mounting holes are formed in the sealing plates; stiffening ribs are welded on the angle steel brackets at intervals; the steel base plate is provided with two steel base plate mounting holes; the wall-penetrating bolt comprises a large wall-penetrating bolt and a small wall-penetrating bolt; the through-wall big bolt is mainly used for connecting an angle steel bracket sealing plate, an original structure wall or an original structure outer wall with another angle steel bracket sealing plate; the wall-through small bolt is mainly used for mutually pulling, connecting and fastening angle steel brackets on two sides of the original structural wall body.
Furthermore, a gap of 20-30 mm is reserved between the angle steel support sealing plate and the original structure wall or the original structure outer wall surface.
Furthermore, the angle steel bracket adopts L100 multiplied by 10 equal-edge angle steel, 8mm thick stiffening plates are welded in the angle steel bracket along the length of every 500mm, and the stiffening ribs are Q235B steel plates.
Furthermore, the small through-wall bolt is an M10 through-wall bolt, and the diameter of the original structure wall body drilled hole is 12 mm.
Furthermore, the through-wall big bolt is an M25 through-wall bolt, and the diameter of the original structure wall or the original structure outer wall is 28 mm.
Furthermore, the steel backing plate is a Q235B steel plate with the diameter of 450 multiplied by 100 multiplied by 10, and two steel backing plate mounting holes with the diameter of 28mm are reserved on the steel backing plate.
Furthermore, the angle steel bracket sealing plate is a Q235B steel plate with the diameter of 100 multiplied by 10, and a sealing plate mounting hole with the diameter of 28mm is reserved in the center of the angle steel bracket sealing plate.
Furthermore, the angle steel supports are tightly attached to the flange side of the wall surface of the original structure wall body, and angle steel support mounting holes with the diameter of 12mm are reserved every 500 mm.
Furthermore, A-type modified epoxy resin adhesive is used for bonding one flange of the angle steel support and the lower skin of the floor slab or the roof slab.
Further, the concrete of the ring beam and the constructional column adopts C30 concrete.
Further, the constructional column is provided with column angle steel bars and stirrups, and the column angle steel bars are
The reinforcing steel bar and the stirrup are
Furthermore, at the joint of the ring beam and the constructional column, the welding length of the steel bars thrown out by the ring beam and the steel bars thrown out by the constructional column is not less than 80 mm.
The method for reinforcing the end part of the masonry structure by using the steel base plate and the angle steel bracket steel pull rod comprises the following specific implementation steps of:
the method comprises the following steps: according to the requirements of a drawing, blanking is carried out on an angle steel bracket, stiffening ribs and a sealing plate are welded, holes are drilled in the angle steel bracket, the blanking length of the angle steel bracket is reduced by 50mm from the clear span length, and therefore a gap of 20-30 mm is guaranteed between the angle steel bracket sealing plate and a wall surface. And simultaneously, blanking and drilling the steel base plate.
Step two: and marking lines on the positions where the angle steel brackets are arranged according to the requirements of drawings. Removing the plastering layer and the decorative surface layer on the contact surface (such as a wall surface and a plate surface), and if the surface is uneven or is corroded by wind, removing dust and cleaning the wall surface.
Step three: angle steel brackets are continuously and symmetrically arranged on two sides of the original structure wall body in a manner of clinging to the lower skin of the floor slab or the roof slab and the wall surface;
step four: and drilling holes on the original structure wall body or the original structure outer wall corresponding to the mounting positions of the through-wall large bolts, anchoring the through-wall large bolts into the original structure wall body, and fastening and mounting the two ends of the through-wall large bolts by nuts. For the original structure outer wall, one end of the original structure outer wall is fixedly connected with the steel base plate on the outer side of the original structure outer wall through nuts, the other end of the original structure outer wall is fixedly connected with the sealing plate mounting holes of the angle steel brackets through nuts, and therefore the angle steel brackets on the two sides of the original structure wall are connected with the original structure wall into a whole.
Step five: drilling holes at corresponding parts on the original structure wall body at the lower part of a floor slab or a roof slab of a masonry structure through the drilling positions on the angle steel brackets, anchoring the holes into the original structure wall body through wall-penetrating small bolts, and mutually pulling, connecting and fastening the angle steel brackets at the two sides of the original structure wall body through nuts.
Step six: and (3) at the nut fastening part of the steel base plate of the original structure outer wall, erecting a template, binding the reinforcing steel bars and stirrups of the ring beam and the constructional column, and pouring the ring beam and the constructional column.
Step seven: a type-A modified epoxy resin adhesive is bonded between one flange of the angle steel support and the lower skin of the floor slab or the roof slab.
Step eight: and filling joints with the antirust mortar, and trowelling the wall surface to restore the flatness of the wall surface.
Step nine: and carrying out rust prevention treatment on the exposed angle steel bracket.
Has the advantages that:
the end part of the masonry structure is reinforced by the steel tie plate and the steel pull rod supported by the angle steel, and the masonry structure is simple in construction, safe and reliable. The structure and the section size of the angle steel bracket are larger than those of the steel pull rod, the work is reliable, and the angle steel bracket is closer to the action of a reinforced concrete ring beam. The angle steel bracket replaces the steel pull rod and plays a role of the steel pull rod, so that the engineering quantity is saved, the engineering material is saved, the engineering cost is reduced, and the method is also one of the methods with higher cost performance of the existing masonry structure seismic reinforcement method.
Drawings
FIG. 1 is a schematic view of an end portion of a masonry structure reinforced by steel tie plates and steel tie rods supported by angle steels;
FIG. 2 is a schematic view of a steel shim plate;
FIG. 3 is a perspective view of an angle bracket sealing plate;
FIG. 4 is a view taken along line A of FIG. 3;
FIG. 5 is a schematic view of the connection between an angle steel bracket steel pull rod and an original structural wall;
FIG. 6 is a cross-sectional view taken along line 1-1 of FIG. 5;
FIG. 7 is a schematic view of an angle bracket stiffener.
In the figure, 1: a steel backing plate; 2: angle steel supports; 3: closing the plate; 4: a through-wall big bolt; 5: a stiffening rib; 6: mounting holes for steel backing plates; 7: a small through-wall bolt; 8: sealing plate mounting holes; 9: an original structure wall body; 10: an original structure outer wall; 11: a ring beam; 12: the column is constructed.
Detailed Description
The specific embodiment of the utility model is as follows:
a masonry structure end portion is reinforced by steel base plates and angle steel bracket steel pull rods, as shown in figures 1-7, the masonry structure end portion comprises angle steel brackets 2, steel base plates 1, ring beams 11 and constructional columns 12; the angle steel bracket 2 is arranged at the lower part of a floor slab or a roof slab of a masonry structure and at the corner of an original structure wall 9; one flange of the angle steel bracket 2 is tightly attached to the lower skin of a floor slab or a roof slab, and the other flange is tightly attached to the wall surface of the original structure wall 9; the angle steel brackets 2 are symmetrically arranged on two sides of the original structure wall 9; the angle steel bracket 2 is connected with an original structure outer wall 10 by adopting a steel base plate 1 and is poured together with a ring beam 11 and a constructional column 12; sealing plates 3 are welded at two ends of the angle steel bracket 2, and sealing plate mounting holes 8 are formed in the sealing plates 3; stiffening ribs 5 are welded on the angle steel brackets 2 at intervals; the steel backing plate 1 is provided with two steel backing plate mounting holes 6; the wall-penetrating bolt comprises a large wall-penetrating bolt 4 and a small wall-penetrating bolt 7; the through-wall big bolt 4 is mainly used for connecting the sealing plate 3 of the angle iron bracket 2, the original structure wall 9 or the original structure outer wall 10 with the sealing plate 3 of another angle iron bracket 2; the wall-through small bolt 7 is mainly used for mutually pulling, connecting and fastening the angle steel brackets 2 at two sides of the original structural wall 9.
Furthermore, a gap of 20-30 mm is reserved between the sealing plate 3 of the angle iron bracket 2 and the wall surface of the original structure wall 9 or the original structure outer wall 10.
Furthermore, the angle steel bracket 2 adopts L100 multiplied by 10 equal-edge angle steel, 8mm thick stiffening plates 5 are welded in the angle steel bracket 2 along the length of every 500mm, and the stiffening ribs 5 are Q235B steel plates.
Furthermore, the small through-wall bolt 7 is an M10 through-wall bolt, and the diameter of the drilled hole of the original structural wall 9 is 12 mm.
Furthermore, the through-wall large bolt 4 is an M25 through-wall bolt, and the drilling diameter of the original structure wall 9 or the original structure outer wall 10 is 28 mm.
Further, the steel shim plate 1 is a Q235B steel plate with the diameter of 450 multiplied by 100 multiplied by 10, and two steel shim plate mounting holes 6 with the diameter of 28mm are reserved on the steel shim plate 1.
Furthermore, the closing plate 3 of the angle iron bracket 2 is a Q235B steel plate with a diameter of 100 × 100 × 10, and a closing plate mounting hole 8 with a diameter of 28mm is reserved in the middle of the closing plate 3 of the angle iron bracket 2.
Furthermore, the angle iron bracket 2 is tightly attached to the flange side of the wall surface of the original structure wall body 9, and angle iron bracket mounting holes with the diameter of 12mm are reserved every 500 mm.
Furthermore, A-type modified epoxy resin adhesive is used for bonding one flange of the angle steel bracket 2 and the lower skin of the floor slab or the roof slab.
Further, the concrete of the ring beam 11 and the constructional column 12 is C30 concrete.
Further, the construction column 12 is provided with column angle steel bars and stirrups, and the column angle steel bars are
The reinforcing steel bar and the stirrup are
Furthermore, at the joint of the ring beam 11 and the constructional column 12, the welding length of the steel bars thrown out of the ring beam 11 and the steel bars thrown out of the constructional column 12 is not less than 80 mm.
The method for reinforcing the end part of the masonry structure by using the steel base plate and the angle steel bracket steel pull rod comprises the following specific implementation steps of:
the method comprises the following steps: according to the requirements of the drawing, blanking is carried out on the angle steel bracket 2, the stiffening ribs 5 and the sealing plates 3 are welded, holes are drilled in the angle steel bracket 2, and the blanking length of the angle steel bracket 2 is reduced by 50mm from the clear span length so as to ensure that a gap of 20-30 mm is reserved between the sealing plates 3 of the angle steel bracket 2 and the wall surface. And simultaneously, blanking and drilling the steel base plate 1.
Step two: and marking lines on the positions where the angle steel brackets 2 are installed according to the requirements of drawings. Removing the plastering layer and the decorative surface layer on the contact surface (such as a wall surface and a plate surface), and if the surface is uneven or is corroded by wind, removing dust and cleaning the wall surface.
Step three: angle steel brackets 2 are tightly attached to the lower skin of a floor slab or a roof slab and the wall surface and are continuously and symmetrically arranged on two sides of the original structural wall 9;
step four: and drilling holes on the original structure wall body 9 or the original structure outer wall 10 corresponding to the mounting positions of the large wall through bolts 4, anchoring the large wall through bolts 4 into the original structure wall body 9, and fastening and mounting the two ends of the large wall through bolts 4 by nuts. For the original structure outer wall 10, one end of the original structure outer wall 10 is fixedly connected with the steel base plate 1 on the outer side of the original structure outer wall 10 through nuts, the other end of the original structure outer wall is fixedly connected with the sealing plate mounting holes 8 of the angle steel brackets 2 through nuts, and therefore the angle steel brackets 2 on two sides of the original structure wall 9 are connected with the original structure wall 9 into a whole.
Step five: drilling holes at corresponding parts on an original structure wall body 9 at the lower part of a floor slab or a roof slab of a masonry structure through the drilling positions on the angle steel brackets 2, anchoring the angle steel brackets 2 into the original structure wall body 9 through wall-penetrating small bolts 7, and mutually pulling, connecting and fastening the angle steel brackets 2 at two sides of the original structure wall body 9 through nuts.
Step six: and (3) erecting a template at the nut fastening part of the steel base plate 1 of the original structure outer wall 10, binding the reinforcing steel bars and stirrups of the ring beam 11 and the constructional column 12, and pouring the ring beam 11 and the constructional column 12.
Step seven: a type-A modified epoxy resin adhesive is bonded between one flange of the angle steel bracket 2 and the lower skin of the floor slab or the roof slab.
Step eight: and filling joints with the antirust mortar, and trowelling the wall surface to restore the flatness of the wall surface.
Step nine: and carrying out rust prevention treatment on the exposed angle steel bracket.
The above is a typical embodiment of the present invention, the specific implementation of the present invention is not limited to this, and a utility model patent of "the end of the masonry structure reinforced by the angle steel bracket steel tie bar is anchored by the steel tie plate" is also applied.
Claims (9)
1. The utility model provides an adopt steel backing plate, angle steel to support steel pull rod and consolidate masonry structure tip which characterized in that: comprises an angle steel bracket (2), a steel backing plate (1), a ring beam (11), a constructional column (12), a large wall-penetrating bolt (4) and a small wall-penetrating bolt (7); the angle steel brackets (2) are arranged at the lower parts of a floor slab or a roof slab of a masonry structure and the corners of an original structure wall body (9); one flange of the angle steel bracket (2) is tightly attached to the lower skin of a floor slab or a roof slab, and the other flange is tightly attached to the wall surface of the original structure wall body (9); the angle steel brackets (2) are symmetrically arranged on two sides of the original structure wall body (9); the angle steel bracket (2) is connected with an original structure outer wall (10) by adopting a steel base plate (1) and is poured together with a ring beam (11) and a constructional column (12); sealing plates (3) are welded at two ends of the angle steel bracket (2), and sealing plate mounting holes (8) are formed in the sealing plates (3); stiffening ribs (5) are welded on the angle steel brackets (2) at intervals; the steel base plate (1) is provided with two steel base plate mounting holes (6); the through-wall big bolt (4) is mainly used for connecting the sealing plate (3) of the angle iron bracket (2), the original structure wall body (9) or the original structure outer wall (10) and the sealing plate (3) of the other angle iron bracket (2); the wall-through small bolt (7) is mainly used for mutually pulling, connecting and fastening the angle steel brackets (2) on the two sides of the original structural wall body (9).
2. The method as claimed in claim 1, wherein the masonry structure end is reinforced by steel tie plates and steel tie rods supported by angle steel, and the method comprises the following steps: a gap of 20-30 mm is reserved between the sealing plate (3) of the angle steel bracket (2) and the original structure wall body (9) or the original structure outer wall (10).
3. The method as claimed in claim 1, wherein the masonry structure end is reinforced by steel tie plates and steel tie rods supported by angle steel, and the method comprises the following steps: the angle steel bracket (2) adopts L100 multiplied by 10 equal-edge angle steel, stiffening ribs (5) with the thickness of 8mm are welded in the angle steel bracket (2) along the length every 500mm, and the stiffening ribs (5) are Q235B steel plates.
4. The method as claimed in claim 1, wherein the masonry structure end is reinforced by steel tie plates and steel tie rods supported by angle steel, and the method comprises the following steps: the small through-wall bolt (7) is an M10 through-wall bolt, and the diameter of a drilled hole of the original structure wall body (9) is 12 mm.
5. The method as claimed in claim 1, wherein the masonry structure end is reinforced by steel tie plates and steel tie rods supported by angle steel, and the method comprises the following steps: the large through-wall bolt (4) is an M25 through-wall bolt, and the diameter of a drilled hole in the original structure wall body (9) or the original structure outer wall (10) is 28 mm.
6. The method as claimed in claim 1, wherein the masonry structure end is reinforced by steel tie plates and steel tie rods supported by angle steel, and the method comprises the following steps: the steel backing plate (1) is a Q235B steel plate with the diameter of 450 multiplied by 100 multiplied by 10, and two steel backing plate mounting holes (6) with the diameter of 28mm are reserved on the steel backing plate (1).
7. The method as claimed in claim 1, wherein the masonry structure end is reinforced by steel tie plates and steel tie rods supported by angle steel, and the method comprises the following steps: the angle iron bracket (2) is characterized in that the sealing plate (3) is a Q235B steel plate with the diameter of 100 multiplied by 10, and a sealing plate mounting hole (8) with the diameter of 28mm is reserved in the middle of the sealing plate (3) of the angle iron bracket (2).
8. The method as claimed in claim 1, wherein the masonry structure end is reinforced by steel tie plates and steel tie rods supported by angle steel, and the method comprises the following steps: the angle steel brackets (2) are tightly attached to the flange sides of the wall surface of the original structure wall body (9), and angle steel bracket mounting holes with the diameter of 12mm are reserved every 500 mm.
9. The method as claimed in claim 1, wherein the masonry structure end is reinforced by steel tie plates and steel tie rods supported by angle steel, and the method comprises the following steps: the concrete of the ring beam (11) and the constructional column (12) adopts C30 concrete, the constructional column (12) is provided with column angle steel bars and stirrups, and the column angle steel bars are
The reinforcing steel bar and the stirrup are
And at the joint of the ring beam (11) and the constructional column (12), the welding length of the steel bars thrown out of the ring beam (11) and the steel bars thrown out of the constructional column (12) is not less than 80 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121531731.0U CN216076456U (en) | 2021-07-06 | 2021-07-06 | End part of masonry structure reinforced by steel tie plate and steel pull rod supported by angle steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121531731.0U CN216076456U (en) | 2021-07-06 | 2021-07-06 | End part of masonry structure reinforced by steel tie plate and steel pull rod supported by angle steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216076456U true CN216076456U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121531731.0U Active CN216076456U (en) | 2021-07-06 | 2021-07-06 | End part of masonry structure reinforced by steel tie plate and steel pull rod supported by angle steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216076456U (en) |
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2021
- 2021-07-06 CN CN202121531731.0U patent/CN216076456U/en active Active
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