CN115354876A - Masonry structure hole-opening reinforcing method and reinforced steel structure constructed by same - Google Patents
Masonry structure hole-opening reinforcing method and reinforced steel structure constructed by same Download PDFInfo
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- CN115354876A CN115354876A CN202211032008.7A CN202211032008A CN115354876A CN 115354876 A CN115354876 A CN 115354876A CN 202211032008 A CN202211032008 A CN 202211032008A CN 115354876 A CN115354876 A CN 115354876A
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- steel structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- 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
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
Abstract
The invention discloses a masonry structure holing reinforcing method and a reinforcing steel structure constructed by the same. The structure comprises a plurality of positioning I-shaped steels which are arranged on the top of a hole to be drilled at intervals; fixing steel structure beams arranged on two sides of the positioning I-shaped steel; fixing steel structure columns which are fixedly arranged on two sides of the hole to be drilled and are used for supporting the steel structure beam, and arranging the bottoms of the steel structure columns on the floor slab; the structure is simple and compact, the bearing capacity is strong, the construction operation is convenient, and the application prospect is wide.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a masonry structure holing reinforcing method and a reinforcing steel structure constructed by the masonry structure holing reinforcing method.
Background
At a great deal of historical architecture, keep building and adopt the brick wall body as main vertical bearing component mostly, during the structural reinforcement of this type of building reforms transform, a lot of original spatial layout can't satisfy modern design demand, generally need open a hole and consolidate the construction, and the building far away of many years is brickwork bearing wall structure, can't directly demolish the opening. A stable and safe underpinning structure is generally needed during the hole-making reconstruction.
At present, the common underpinning method of the masonry load-bearing wall is to arrange a through-wall beam and a clamped wall beam of reinforced concrete, and form a concrete underpinning beam with higher rigidity above a hole so as to ensure the safety of a load-bearing structure. However, the underpinning beam system of the reinforced concrete structure has slow construction speed and strength formation, and more field wet operations are required, so that the condition of construction period limitation is difficult to meet the requirement. If the whole reinforcement is removed, the engineering quantity is increased, and the construction difficulty is greatly increased.
Disclosure of Invention
The invention aims to provide a masonry structure opening reinforcing method and a reinforcing steel structure constructed by the method, wherein the method utilizes an assembled steel structure system to support a masonry opening, is convenient and fast to construct, has high efficiency, saves energy and is environment-friendly; the structure is simple and compact, the bearing capacity is strong, the construction operation is convenient, and the application prospect is wide.
In order to achieve the purpose, the invention adopts the following technical scheme:
a masonry structure hole drilling and reinforcing method comprises the following steps:
firstly, positioning a masonry structure to open a hole, picking and opening a plurality of square holes at the top of a position where the masonry is planned to open the hole at intervals, and opening operation holes penetrating through two sides of the masonry in a region where the masonry is planned to open the hole;
step two, mounting a supporting structure, mounting positioning I-beams in the square opening, filling cement mortar between the top of each positioning I-beam and the square opening, and chiseling the masonry between the positioning I-beams after the strength of the cement mortar reaches a designed value;
step three, mounting steel beams at the positions of the holes, fixedly welding steel structure beams on two sides of the positioning I-beams, fixedly connecting the positioning I-beams by the steel structure beams, and filling cement mortar between the top of the steel structure beams and the chiseling areas after welding;
step four, installing a steel column at the position of the opening, chiseling the masonry at the position of the steel structure column to be installed after the cement mortar in the step three reaches the design strength, installing the steel structure column in the chiseled area for installing the steel structure column, welding and fixing the top of the steel structure column and the positioning I-steel, installing the bottom of the steel structure column on a floor slab, chiseling all the masonry between the two steel structure columns after welding is completed, and forming a door opening; the two sides of the door opening are provided with serrated racking;
step five, the steel structure column is connected with the brickwork, on the steel structure column, correspond the position trompil of serrated raft, use the drawknot crab-bolt with steel structure column and former brickwork structure fixed connection, pack cement mortar to serrated raft position after connecting.
Preferably, three square holes are formed in the step one, and the three square holes are arranged at equal intervals.
Preferably, the outer side surfaces of the square hole at two sides are respectively positioned on the two inner side surfaces of the hole to be opened.
Preferably, in the third step, a galvanized iron plate is fixedly installed at the top of the steel structure beam, and cement mortar is filled between the galvanized iron plate and the chiseling area.
Preferably, in the fourth step, a groove is cut at the top of the steel structure column before welding, and the groove and the positioning i-steel are fully welded.
The utility model provides a masonry structure opens hole and consolidates reinforcement steel construction of construction, includes:
a plurality of positioning I-shaped steels arranged on the top of the hole to be drilled at intervals;
fixing steel structure beams arranged on two sides of the positioning I-shaped steel;
and the steel structure columns are fixedly arranged on two sides of the hole to be drilled and used for supporting the steel structure beam, and the bottom of each steel structure column is arranged on the floor slab.
Preferably, cement mortar is filled between the top of the positioning I-steel and the opening of the hole to be drilled; and cement mortar is also filled between the top of the steel structure beam and the opening of the hole to be drilled.
Preferably, a galvanized iron plate is arranged at the top of the steel structure beam.
Preferably, the number of the positioning I-shaped steel is three.
Preferably, the top of the steel structure column is provided with a groove, and the groove is arranged on the positioning I-shaped steel.
According to the construction method, the square hole is chiseled, the positioning I-steel is installed in the square hole, the I-steel is fixedly connected with a masonry structure through cement mortar, then the area between the square holes is chiseled, the positioning I-steels are fixedly connected through the steel structure beam, the steel structure beam is fixedly connected with the masonry through the cement mortar, then the installation area of the vertical steel structure column is chiseled, the rest masonry part is chiseled after the whole steel structure supporting system is installed, the local installation mode is wholly removed, an external supporting structure is not needed, the construction is simple and efficient, the construction cost is saved, large-scale dismantling operation is not needed, and field humidification is not needed. The operation hole that sets up is convenient for the workman and passes through in the brickwork both sides, has improved the convenience of construction. The structure is installed in a field splicing mode, bulk parts are convenient to transport, construct and carry, the whole structure is in welded connection, the whole connection strength of the structure is high, and the bearing capacity is high.
Drawings
FIG. 1 is a schematic view of the masonry grooving structure of the present invention;
FIG. 2 is a schematic view of the support structure of the present invention installed;
FIG. 3 is a schematic view of the overall structure of the present invention;
FIG. 4 isbase:Sub>A schematic cross-sectional view A-A of the present invention;
FIG. 5 is a schematic cross-sectional view of the present invention taken along line B-B;
FIG. 6 is a schematic cross-sectional view of the present invention taken along line C-C;
in the figure: 1. a square opening; 2. a working hole; 3. positioning the I-shaped steel; 4. a steel structural beam; 5. a galvanized iron sheet; 6. a steel structural column; 7. a floor slab; 8. racking; 9. a tie anchor; 10. a load-bearing wall.
Detailed Description
The invention is further described with reference to the accompanying drawings:
a masonry structure holing reinforcement method as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the construction method comprising the following steps:
the method comprises the steps that firstly, a masonry structure is positioned and drilled, a plurality of square holes 1 are formed in the top of the position, where the masonry is planned to be drilled, at intervals, operation holes 2 penetrating through two sides of the masonry are formed in the area, where the masonry is planned to be drilled, and workers can conveniently pass through and carry materials through the operation holes 2. In one embodiment, three square holes 1 are provided, and the three square holes 1 are arranged at equal intervals. In one embodiment, the outer side surfaces of the square openings 1 on the two sides respectively coincide with the two inner side surfaces of the opening to be opened, i.e. the distance between the outer side surfaces of the square openings 1 on the two sides is the same as the width of the opening to be opened. The planned opening is positioned between two adjacent bearing walls 10.
And step two, mounting a supporting structure, namely mounting positioning I-beams 3 in the square opening 1, filling cement mortar between the tops of the positioning I-beams 3 and the square opening 1, and chiseling the masonry between two adjacent positioning I-beams 3 after the strength of the cement mortar for connecting the positioning I-beams 3 and the square opening 1 reaches a design value.
Step three, mounting steel beams at the position of the opening, fixedly mounting steel structure beams 4 between the upper wing and the lower wing and two sides of the positioning I-beam 3 through welding, fixedly connecting the three positioning I-beams 3 into a whole by the two steel structure beams 4, and in another embodiment, connecting the left and right adjacent I-beams 3 by the plurality of short steel structure beams 4. And after welding, filling and connecting the top of the steel structure beam 4 and the chiseling area through cement mortar. In a specific embodiment, a galvanized iron plate 5 is fixedly installed at a gap at the top of two steel structure beams 4 through welding, the galvanized iron plate 5 and the chiseling area are also connected through cement mortar in a filling mode, and therefore the positioning I-shaped steel 3, the steel structure beams 4 and the galvanized iron plate 5 are fixedly connected with the chiseling area through the cement mortar.
And step four, installing steel columns at the positions of the openings, chiseling masonry bodies at the positions of the steel structure columns 6 to be installed at the left and right sides of the planned openings after cement mortar in the step three reaches the design strength, installing the steel structure columns 6 in the chiseling areas, fixedly connecting the tops of the steel structure columns 6 with the positioning I-shaped steel 3 through welding, and fixedly installing the bottoms of the steel structure columns 6 on the floor slabs 7. And after welding is finished, removing and chiseling all masonry between the two steel structure columns 6 to form a new door opening. And serrated racking 8 is arranged on both sides of the door opening. In one embodiment, a groove is cut in the top of the steel structural column 6 before welding, and the groove and the positioning i-steel 3 are fixed in a full welding mode. In one embodiment, the groove is C-shaped.
Step five, steel structure column 6 is connected with the brickwork, on steel structure column 6, correspond 8 positions of serrated raft and locate the trompil to use drawknot crab-bolt 9 with steel structure column 6 and former brickwork structure fixed connection, pack cement mortar to 8 positions of serrated raft after connecting, closely knit being connected with steel structure column 6 and former brickwork structure.
The reinforcing steel structure for masonry structure opening and reinforcing construction shown in the figures 1, 2, 3, 4, 5 and 6 comprises I-shaped steel 3, a steel structure beam 4 and a steel structure column 6, wherein the positioning I-shaped steel 3 is arranged on the top of a to-be-opened hole at intervals, and each positioning I-shaped steel 3 is arranged in a square hole 1 and is fixedly connected with the square hole 1 through cement mortar. In one embodiment, three positioning i-beams 3 are provided, and the three positioning i-beams 3 are arranged at equal intervals. Of course, four, five or six positioning I-beams 3 can be arranged according to the size of the opening.
The steel structure beams 4 are fixedly arranged on two sides of the positioning I-shaped steel 3, and the three positioning I-shaped steel 3 are fixedly connected into a whole by the two steel structure beams 4. In one embodiment, a galvanized iron plate 5 is fixedly installed at a gap at the top of two steel structure beams 4 through welding, and cement mortar is filled between the galvanized iron plate 5 and the steel structure beams 4 and the chiseling area for connection.
The above embodiments are merely several illustrations of the concept and implementation of the present invention, and do not limit the present invention, and the technical solutions that are not substantially changed are still within the protection scope under the present invention.
Claims (10)
1. A masonry structure holing reinforcing method is characterized in that: the construction method comprises the following steps:
firstly, positioning a masonry structure to open a hole, picking and opening a plurality of square holes at the top of a position where the masonry is planned to open the hole at intervals, and opening operation holes penetrating through two sides of the masonry in a region where the masonry is planned to open the hole;
step two, mounting a supporting structure, mounting positioning I-beams in the square opening, filling cement mortar between the top of each positioning I-beam and the square opening, and chiseling the masonry between the positioning I-beams after the strength of the cement mortar reaches a designed value;
step three, mounting steel beams at the positions of the holes, fixedly welding steel structure beams on two sides of the positioning I-beams, fixedly connecting the positioning I-beams by the steel structure beams, and filling cement mortar between the tops of the steel structure beams and the chiseling areas after welding is finished;
step four, installing a steel column at the position of the opening, chiseling the masonry at the position of the steel structure column to be installed after the cement mortar in the step three reaches the design strength, installing the steel structure column in the chiseled area for installing the steel structure column, welding and fixing the top of the steel structure column and the positioning I-steel, installing the bottom of the steel structure column on a floor slab, chiseling all the masonry between the two steel structure columns after welding is completed, and forming a door opening; the two sides of the door opening are provided with serrated racking;
step five, the steel structure column is connected with the brickwork, on the steel structure column, correspond the position trompil of serrated raft, use the drawknot crab-bolt with steel structure column and former brickwork structure fixed connection, pack cement mortar to serrated raft position after connecting.
2. The masonry structure holing reinforcement method according to claim 1, characterized in that: the three square holes are formed in the first step, and the three square holes are arranged at equal intervals.
3. The masonry structure holing reinforcement method according to claim 1 or 2, characterized in that: the outer side surfaces of the square holes on two sides are respectively positioned on the two inner side surfaces of the hole to be drilled.
4. The masonry structure holing reinforcement method according to claim 1, characterized in that: and in the third step, a galvanized iron plate is fixedly installed at the top of the steel structure beam, and cement mortar is filled between the galvanized iron plate and the chiseling area.
5. The masonry structure holing reinforcement method according to claim 1, characterized in that: and in the fourth step, a groove is cut at the top of the steel structure column before welding, and the groove and the positioning I-shaped steel are fully welded.
6. A reinforced steel structure constructed by the masonry structure holing reinforcing method according to any one of claims 1 to 5, characterized in that: the method comprises the following steps:
a plurality of positioning I-shaped steels arranged on the top of the hole to be bored at intervals;
fixing steel structure beams fixedly arranged on two sides of the positioning I-shaped steel;
and the steel structure columns are fixedly arranged on two sides of the hole to be drilled and used for supporting the steel structure beams, and the bottoms of the steel structure columns are arranged on the floor slab.
7. The reinforced steel structure of claim 6, wherein: cement mortar is filled between the top of the positioning I-steel and the opening of the hole to be drilled; and cement mortar is also filled between the top of the steel structure beam and the opening of the hole to be drilled.
8. The reinforced steel structure of claim 7, wherein: and a galvanized iron plate is arranged at the top of the steel structure beam.
9. The reinforced steel structure of claim 6, wherein: the number of the positioning I-shaped steel is three.
10. The reinforced steel structure of claim 6, wherein: the steel structure column top is equipped with the recess, the recess is settled on the location I-steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211032008.7A CN115354876A (en) | 2022-08-26 | 2022-08-26 | Masonry structure hole-opening reinforcing method and reinforced steel structure constructed by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211032008.7A CN115354876A (en) | 2022-08-26 | 2022-08-26 | Masonry structure hole-opening reinforcing method and reinforced steel structure constructed by same |
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| CN115354876A true CN115354876A (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211032008.7A Pending CN115354876A (en) | 2022-08-26 | 2022-08-26 | Masonry structure hole-opening reinforcing method and reinforced steel structure constructed by same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115822313A (en) * | 2023-02-07 | 2023-03-21 | 上海市地震局 | Brick wall reinforcing structure and manufacturing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4757656A (en) * | 1987-11-19 | 1988-07-19 | Powers Jr John A | Lintel system |
| CN102400564A (en) * | 2011-08-15 | 2012-04-04 | 建研科技股份有限公司 | Temporary underpinning system for masonry structure bearing wall rear opening and construction method thereof |
| CN206053397U (en) * | 2016-09-06 | 2017-03-29 | 上海鼎创建筑设计有限公司 | Masonry structure bearing wall punches ruggedized construction |
| CN211549324U (en) * | 2019-12-31 | 2020-09-22 | 北京东方华脉工程设计有限公司 | Bearing wall rear opening door hole structure |
| CN111962901A (en) * | 2020-08-14 | 2020-11-20 | 山东金城建设有限公司 | Existing masonry structure reconstruction construction method |
| CN114293804A (en) * | 2021-12-27 | 2022-04-08 | 上海建工二建集团有限公司 | Underpinning structure and method for masonry load-bearing wall opening |
-
2022
- 2022-08-26 CN CN202211032008.7A patent/CN115354876A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4757656A (en) * | 1987-11-19 | 1988-07-19 | Powers Jr John A | Lintel system |
| CN102400564A (en) * | 2011-08-15 | 2012-04-04 | 建研科技股份有限公司 | Temporary underpinning system for masonry structure bearing wall rear opening and construction method thereof |
| CN206053397U (en) * | 2016-09-06 | 2017-03-29 | 上海鼎创建筑设计有限公司 | Masonry structure bearing wall punches ruggedized construction |
| CN211549324U (en) * | 2019-12-31 | 2020-09-22 | 北京东方华脉工程设计有限公司 | Bearing wall rear opening door hole structure |
| CN111962901A (en) * | 2020-08-14 | 2020-11-20 | 山东金城建设有限公司 | Existing masonry structure reconstruction construction method |
| CN114293804A (en) * | 2021-12-27 | 2022-04-08 | 上海建工二建集团有限公司 | Underpinning structure and method for masonry load-bearing wall opening |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115822313A (en) * | 2023-02-07 | 2023-03-21 | 上海市地震局 | Brick wall reinforcing structure and manufacturing method thereof |
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Inventor after: Fu Lizhi Inventor after: Xu Dianxiang Inventor after: Liu Bin Inventor after: Feng Bo Inventor after: Yuan Chunjuan Inventor after: Li Donghua Inventor after: Wang Yang Inventor after: Yang Huajun Inventor after: Xie Mingquan Inventor after: Song Jiafeng Inventor before: Fu Lizhi Inventor before: Feng Bo Inventor before: Yuan Chunjuan Inventor before: Li Donghua Inventor before: Wang Yang Inventor before: Yang Huajun Inventor before: Xie Mingquan Inventor before: Song Jiafeng Inventor before: Xu Dianxiang |
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