CN112302157A - Newly-added steel structure balcony of existing masonry structure house and construction method thereof - Google Patents
Newly-added steel structure balcony of existing masonry structure house and construction method thereof Download PDFInfo
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- CN112302157A CN112302157A CN202011424809.9A CN202011424809A CN112302157A CN 112302157 A CN112302157 A CN 112302157A CN 202011424809 A CN202011424809 A CN 202011424809A CN 112302157 A CN112302157 A CN 112302157A
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/003—Balconies; Decks
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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
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Abstract
The invention relates to a newly-added steel structure balcony of an existing masonry structure house and a construction method thereof, and belongs to the technical field of seismic reinforcement of existing buildings. The method comprises the steps of constructing an outer wall of an original masonry structure, newly adding square steel columns, newly adding longitudinal square steel beams and newly adding transverse square steel beams; two newly-added longitudinal square steel beams, two newly-added square steel upright posts, one newly-added longitudinal square steel beam and the original masonry structure outer wall are enclosed to form a closed area; the three closed areas are distributed on the top plate, the middle part and the lower part of the outer wall of the original masonry structure, wherein the closed area at the lower part adopts a plurality of connecting square steels to be connected with the newly-added longitudinal square steel beam to be used as a bearing platform of the newly-added balcony; and two ends of the connecting square steel are respectively welded with the newly added longitudinal square steel beam. The most obvious advantages of the invention are that when the newly-added balcony is reinforced, the steel structure is adopted for reinforcement, the construction period is short, the material is low-carbon and environment-friendly, and the influence on the daily life of the original residents is small.
Description
Technical Field
The invention relates to a newly-added steel structure balcony of an existing masonry structure house and a construction method thereof, and belongs to the technical field of seismic reinforcement of existing buildings.
Background
For some old districts built before the 80 s, because the planned construction age is early, the construction standard is relatively low, and various problems of equipment maintenance loss, building facing falling off, poor energy-saving and heat-insulating effects and the like exist to different degrees, the old districts need to be reinforced and modified. The balcony is an important component of a house and an important place for daily life of people, and the safety of the balcony is particularly important. Due to the problems of long-term bearing of the balcony, aging of the balcony and the like, the balcony bottom plate is inclined and cracked in different degrees, and the living safety is seriously influenced. However, when the existing masonry structure house is reinforced, daily life of residents is affected, and individual residents are unwilling to enter construction by construction teams. In order to avoid excessive house-entering construction, the balcony is preferably reinforced by newly adding a steel structure balcony and performing dry operation.
Disclosure of Invention
Based on the problems, the invention provides a new steel structure balcony of the existing masonry structure house and a construction method thereof by combining with the comprehensive transformation project of the old residential area, and effectively solves the technical problem that the balcony is quickly reinforced without entering the house of the existing masonry structure house.
The technical scheme of the invention is as follows:
a newly-added steel structure balcony of an existing masonry structure house and a construction method thereof comprise an original masonry structure outer wall, newly-added square steel stand columns, newly-added longitudinal square steel beams and newly-added transverse square steel beams; the original masonry structure outer wall is an outer wall connected with an original balcony, and the original balcony is firstly removed; anchor bolt embedded bars are arranged on the outer wall of the original masonry structure; the anchor bolt embedded bar is screwed and fixed with an embedded bar base plate of the original masonry structure outer wall through a nut; the embedded steel bar base plate is at least provided with more than four mounting holes and is fixedly connected with the outer wall of the original masonry structure by anchor bolts embedded steel bars; one end of the newly-added longitudinal square steel beam is welded with the bar-embedded base plate, and the other end of the newly-added longitudinal square steel beam is welded with the newly-added square steel upright post; two ends of the newly increased transverse square steel beam are respectively welded with the newly increased square steel upright; two newly-added longitudinal square steel beams, two newly-added square steel upright posts, one newly-added longitudinal square steel beam and the original masonry structure outer wall are enclosed to form a closed area; the three closed areas are distributed on the top plate, the middle part and the lower part of the outer wall of the original masonry structure, wherein the closed area at the lower part adopts a plurality of connecting square steels to be connected with the newly-added longitudinal square steel beam to be used as a bearing platform of the newly-added balcony; and two ends of the connecting square steel are respectively welded with the newly added longitudinal square steel beam.
Furthermore, the number of the newly-added square steel columns is two, and the dimension is 100mm multiplied by 10 mm.
Furthermore, the newly-added longitudinal square steel beams are distributed in six numbers from top to bottom, and the size is that the width is multiplied by the length, and the thickness is multiplied by 80mm multiplied by 8 mm.
Furthermore, the number of the newly added transverse square steel beams is three, and the size is 80mm multiplied by 8 mm.
Furthermore, the anchor bolt embedded steel bar is 120mm long and the diameter of the anchor bolt embedded steel bar is phi 16 steel bar.
Further, the steel bar planting backing plate is 10mm in thickness, 180mm in length, 180mm in width, the anchor bolt steel bar planting holes are evenly distributed in the upper, lower, left and right corners of the steel bar planting backing plate, and the diameter of each anchor bolt hole is 18 mm.
Furthermore, welding rods are all E50 series welding rods for welding among the steel bar planting base plate, the newly added longitudinal square steel beam, the newly added square steel upright post and the newly added transverse square steel beam.
The newly-added steel structure balcony of the existing masonry structure house and the construction method thereof are characterized in that: the method comprises the following steps:
the method comprises the following steps: dismantling the original balcony, taking shielding measures, and cleaning the site in time after the dismantling is finished;
step two: blanking each square steel pipe of the newly-added steel structure balcony formed according to a design drawing, and controlling the blanking precision;
step three: respectively planting bars on the positions of the bar planting base plates according to a design drawing and fixing the bars on the outer wall of the original masonry structure;
step four: welding one end of the newly added longitudinal square steel beam with the steel bar planting base plate, and welding the other end of the newly added longitudinal square steel beam with the newly added square steel upright post;
step five: welding one end of the newly added longitudinal square steel beam on the other side with the steel bar planting base plate, and welding the other end of the newly added longitudinal square steel beam with the newly added square steel upright post;
step six: then, newly added transverse square steel beams are respectively welded between the newly added square steel columns on the two sides, so that a closed area at the bottom is formed;
step seven: repeating the operations, and completely finishing the enclosed areas of the middle part and the top plate;
step eight: welding of the connecting square steel is then performed in the closed area to the bottom.
Has the advantages that:
the most obvious advantages of the invention are that when the newly-added balcony is reinforced, the steel structure is adopted for reinforcement, the construction period is short, the material is low-carbon and environment-friendly, and the influence on the daily life of the original residents is small. The reinforcing method does not need to be used as a foundation, is low in manufacturing cost, is safe and reliable, and solves the problem of ageing of the original balcony. Under the condition that economic conditions permit, if the technology is popularized and applied, the balcony reinforcement is added in the old building, so that the method has remarkable economic and social benefits.
Drawings
FIG. 1 is a schematic plan view of a reinforced balcony;
FIG. 2 is a view taken along line A of FIG. 1;
fig. 3 is a sectional view taken along line B-B of fig. 1.
In the figure, 1: an outer wall of an original masonry structure; 2: newly adding square steel upright posts; 3: newly adding a longitudinal square steel beam; 4: planting a steel bar base plate; 5: anchor bolt bar planting; 6: newly adding a transverse square steel beam; 7: connecting the steel pipes; 8: and a nut.
Detailed Description
A newly-added steel structure balcony of an existing masonry structure house and a construction method thereof are disclosed, as shown in figures 1-3, and the balcony comprises an original masonry structure outer wall 1, a newly-added square steel upright post 2, a newly-added longitudinal square steel beam 3 and a newly-added transverse square steel beam 6; the original masonry structure outer wall 1 is an outer wall connected with an original balcony, and the original balcony is firstly removed; anchor bolt embedded bars 5 are arranged on the original masonry structure outer wall 1; the anchor bolt embedded bar 5 is screwed and fixed with an embedded bar base plate 4 of the original masonry structure outer wall 1 through a nut 8; the embedded steel bar backing plate 4 is at least provided with more than four mounting holes and is fixedly connected with the original masonry structure outer wall 1 by anchor bolts 5; one end of the newly added longitudinal square steel beam 3 is welded with the steel bar planting base plate 4, and the other end of the newly added longitudinal square steel beam is welded with the newly added square steel upright post 2; two ends of the newly added transverse square steel beam 6 are respectively welded with the newly added square steel upright posts 2; the two newly-added longitudinal square steel beams 3, the two newly-added square steel columns 2, the newly-added longitudinal square steel beams 3 and the original masonry structure outer wall 1 enclose a closed area; the three closed areas are distributed on the top plate, the middle part and the lower part of the outer wall 1 of the original masonry structure, wherein the closed area at the lower part is connected with the newly added longitudinal square steel beam 2 by adopting a plurality of connecting square steels 7 and is used as a bearing platform of a newly added balcony; and two ends of the connecting square steel 7 are respectively welded with the newly added longitudinal square steel beam 2.
Furthermore, the two newly added square steel columns 2 are 100mm × 100mm × 10mm in width × length × thickness.
Furthermore, the newly added longitudinal square steel beams 3 are distributed up and down to form six beams, and the size is 80mm × 80mm × 8 mm.
Further, the number of the newly added transverse square steel beams 6 is three, and the size is 80mm × 80mm × 8 mm.
Further, the anchor bolt embedded steel bar 5 is 120mm long and has the diameter of phi 16 steel bar.
Further, the thickness of the steel bar planting base plate 4 is 10mm, the length is 180mm, the width is 180mm, the anchor bolt steel bar planting holes are evenly distributed at the upper, lower, left and right corners of the steel bar planting base plate 4, and the diameter of the anchor bolt steel bar planting holes is 18 mm.
Further, welding between the steel bar planting base plate 4, the newly added longitudinal square steel beam 3, the newly added square steel upright post 2 and the newly added transverse square steel beam 6 is carried out, and welding rods are all E50 series welding rods.
The newly-added steel structure balcony of the existing masonry structure house and the construction method thereof are characterized in that: the method comprises the following steps:
the method comprises the following steps: dismantling the original balcony, taking shielding measures, and cleaning the site in time after the dismantling is finished;
step two: blanking each square steel pipe of the newly-added steel structure balcony formed according to a design drawing, and controlling the blanking precision;
step three: respectively planting bars on the positions of the bar planting base plates 4 according to a design drawing and fixing the bars on the original masonry structure outer wall 1;
step four: welding one end of a newly added longitudinal square steel beam 3 with a steel bar planting base plate 4, and welding the other end of the newly added longitudinal square steel beam with a newly added square steel upright post 2;
step five: welding one end of the newly added longitudinal square steel beam 3 on the other side with the steel bar planting base plate 4, and welding the other end with the newly added square steel upright post 2;
step six: welding the newly added square steel columns 2 on the two sides by newly added transverse square steel beams 6 respectively, so as to form a bottom closed area;
step seven: repeating the operations, and completely finishing the enclosed areas of the middle part and the top plate;
step eight: welding of the connecting square bars 7 is then performed in the closed area to the bottom.
The reinforcing structure and the method are characterized in that a newly-added steel structure balcony is directly connected with an original masonry structure outer wall 1 through a square steel pipe, force is not directly transferred downwards, load is transferred through the original masonry structure outer wall 1, and therefore a foundation does not need to be additionally made.
The above is a typical embodiment of the present invention, and the specific implementation of the present invention is not limited thereto.
Claims (8)
1. A newly-added steel structure balcony of an existing masonry structure house and a construction method thereof are characterized in that: the method comprises the steps of forming an original masonry structure outer wall (1), newly-added square steel columns (2), newly-added longitudinal square steel beams (3) and newly-added transverse square steel beams (6); the original masonry structure outer wall (1) is an outer wall connected with an original balcony, and the original balcony is firstly dismantled; anchor bolt embedded bars (5) are arranged on the original masonry structure outer wall (1); the anchor bolt embedded bar (5) is screwed and fixed with an embedded bar base plate (4) of the original masonry structure outer wall (1) through a nut (8); the embedded steel bar backing plate (4) is at least provided with more than four mounting holes and is fixedly connected with the original masonry structure outer wall (1) by anchor bolts and embedded steel bars (5); one end of the newly added longitudinal square steel beam (3) is welded with the steel bar planting base plate (4), and the other end of the newly added longitudinal square steel beam is welded with the newly added square steel column (2); two ends of the newly added transverse square steel beam (6) are respectively welded with the newly added square steel upright post (2); two newly-added longitudinal square steel beams (3), two newly-added square steel columns (2), one newly-added longitudinal square steel beam (3) and the original masonry structure outer wall (1) are enclosed to form a closed area; the three closed areas are distributed on the top plate, the middle part and the lower part of the outer wall (1) of the original masonry structure, wherein the closed area at the lower part is connected with the newly added longitudinal square steel beam (2) by adopting a plurality of connecting square steels (7) and is used as a bearing platform of a newly added balcony; and two ends of the connecting square steel (7) are respectively welded with the newly added longitudinal square steel beam (2).
2. The newly-added steel structure balcony of an existing masonry structure house and the construction method thereof according to claim 1, wherein: the two newly-added square steel upright posts (2) are 100mm multiplied by 10mm in size.
3. The newly-added steel structure balcony of an existing masonry structure house and the construction method thereof according to claim 1, wherein: six newly-increased vertical square steel beams (3) are distributed from top to bottom, and the size is that width is multiplied by length by thickness is 80mm multiplied by 8 mm.
4. The newly-added steel structure balcony of an existing masonry structure house and the construction method thereof according to claim 1, wherein: the number of the newly added transverse square steel beams (6) is three, and the size is 80mm multiplied by 8 mm.
5. The newly-added steel structure balcony of an existing masonry structure house and the construction method thereof according to claim 1, wherein: the anchor bolt steel bar planting (5) is 120mm long and has the diameter of phi 16 steel bars.
6. The newly-added steel structure balcony of an existing masonry structure house and the construction method thereof according to claim 1, wherein: the anchor bolt bar planting base plate is characterized in that the thickness of the bar planting base plate (4) is 10mm, the length of the bar planting base plate is 180mm, the width of the bar planting base plate is 180mm, anchor bolt bar planting holes are evenly distributed in the upper, lower, left and right corners of the bar planting base plate (4), and the diameter of each anchor bolt bar planting hole is 18 mm.
7. The newly-added steel structure balcony of an existing masonry structure house and the construction method thereof according to claim 1, wherein: welding between bar planting backing plate (4), newly-increased vertical square girder (3), newly-increased square steel stand (2), newly-increased horizontal square girder (6), the welding rod all adopts E50 series welding rod.
8. The newly-added steel structure balcony of an existing masonry structure house and the construction method thereof according to any one of claims 1-7, wherein: the method comprises the following steps:
the method comprises the following steps: dismantling the original balcony, taking shielding measures, and cleaning the site in time after the dismantling is finished;
step two: blanking each square steel pipe of the newly-added steel structure balcony formed according to a design drawing, and controlling the blanking precision;
step three: and respectively planting bars on the bar planting base plate (4) according to the positions of the design drawing and fixing the bars on the original masonry structure outer wall (1).
Step four: one end of the newly added longitudinal square steel beam (3) is welded with the steel bar planting base plate (4), and the other end is welded with the newly added square steel column (2).
Step five: and welding one end of the newly added longitudinal square steel beam (3) on the other side with the steel bar planting base plate (4), and welding the other end of the newly added longitudinal square steel beam with the newly added square steel upright post (2).
Step six: and newly increased horizontal square steel beams (6) are respectively welded between the newly increased square steel columns (2) on the two sides, so that a closed space at the bottom is formed.
Step seven: repeating the above operations, and completing the enclosed space between the middle part and the top plate.
Step eight: welding of the connecting square steel (7) is then performed in the closed area to the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011424809.9A CN112302157A (en) | 2020-12-08 | 2020-12-08 | Newly-added steel structure balcony of existing masonry structure house and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011424809.9A CN112302157A (en) | 2020-12-08 | 2020-12-08 | Newly-added steel structure balcony of existing masonry structure house and construction method thereof |
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| CN112302157A true CN112302157A (en) | 2021-02-02 |
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| CN202011424809.9A Withdrawn CN112302157A (en) | 2020-12-08 | 2020-12-08 | Newly-added steel structure balcony of existing masonry structure house and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003206636A (en) * | 2002-01-11 | 2003-07-25 | Oriental Construction Co Ltd | Earthquake-resistant reinforced constriction and method used for repairing for existing veranda in common |
| CN108798059A (en) * | 2018-06-23 | 2018-11-13 | 北京房修建筑工程有限公司 | A kind of old masonry seismic reinforcing structure and construction method |
| CN109138486A (en) * | 2018-10-12 | 2019-01-04 | 北京筑福建筑科学研究院有限责任公司 | A kind of existing apartment is demolished walls plus girder construction transformation system and its construction method |
| CN109736590A (en) * | 2019-02-21 | 2019-05-10 | 北京筑福建筑科学研究院有限责任公司 | It is a kind of to use the old house balcony of additional steel structure reinforcing and its construction method |
| CN110360668A (en) * | 2019-07-01 | 2019-10-22 | 北京筑福建筑科学研究院有限责任公司 | Increase air-conditioner mounting rack scrap build and construction method at a kind of old house balcony newly |
| CN111335668A (en) * | 2020-04-07 | 2020-06-26 | 上海市房屋建筑设计院有限公司 | Adopt plus steel construction to consolidate board-like balcony of encorbelmenting |
| CN215442339U (en) * | 2020-12-08 | 2022-01-07 | 北京筑福国际抗震技术有限责任公司 | Newly-increased steel structure balcony of existing masonry structure house |
-
2020
- 2020-12-08 CN CN202011424809.9A patent/CN112302157A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003206636A (en) * | 2002-01-11 | 2003-07-25 | Oriental Construction Co Ltd | Earthquake-resistant reinforced constriction and method used for repairing for existing veranda in common |
| CN108798059A (en) * | 2018-06-23 | 2018-11-13 | 北京房修建筑工程有限公司 | A kind of old masonry seismic reinforcing structure and construction method |
| CN109138486A (en) * | 2018-10-12 | 2019-01-04 | 北京筑福建筑科学研究院有限责任公司 | A kind of existing apartment is demolished walls plus girder construction transformation system and its construction method |
| CN109736590A (en) * | 2019-02-21 | 2019-05-10 | 北京筑福建筑科学研究院有限责任公司 | It is a kind of to use the old house balcony of additional steel structure reinforcing and its construction method |
| CN110360668A (en) * | 2019-07-01 | 2019-10-22 | 北京筑福建筑科学研究院有限责任公司 | Increase air-conditioner mounting rack scrap build and construction method at a kind of old house balcony newly |
| CN111335668A (en) * | 2020-04-07 | 2020-06-26 | 上海市房屋建筑设计院有限公司 | Adopt plus steel construction to consolidate board-like balcony of encorbelmenting |
| CN215442339U (en) * | 2020-12-08 | 2022-01-07 | 北京筑福国际抗震技术有限责任公司 | Newly-increased steel structure balcony of existing masonry structure house |
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Application publication date: 20210202 |