CN105672690A - Method for reinforcing opening of load bearing wall - Google Patents
Method for reinforcing opening of load bearing wall Download PDFInfo
- Publication number
- CN105672690A CN105672690A CN201610181708.0A CN201610181708A CN105672690A CN 105672690 A CN105672690 A CN 105672690A CN 201610181708 A CN201610181708 A CN 201610181708A CN 105672690 A CN105672690 A CN 105672690A
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- CN
- China
- Prior art keywords
- reinforcing steel
- arched girder
- presstressed reinforcing
- brick wall
- load bearing
- 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
Links
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 21
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 100
- 239000011449 brick Substances 0.000 claims abstract description 100
- 210000002435 tendon Anatomy 0.000 claims abstract description 25
- 238000010276 construction Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 238000005728 strengthening Methods 0.000 claims description 17
- 238000007373 indentation Methods 0.000 claims description 12
- 240000002853 Nelumbo nucifera Species 0.000 claims description 6
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 6
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G23/0222—Replacing or adding wall ties
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G23/0244—Increasing or restoring the load-bearing capacity of building construction elements of beams at places of holes, e.g. drilled in them
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0274—Temporary shoring of wall opening
Abstract
The invention discloses a method for reinforcing an opening of a load bearing wall. The method is characterized in that an arched beam is arranged at the top of the opening of the load bearing wall; arched beam buttresses are arranged at two ends of the arched beam; an arched beam prestress tendon is arranged at the lower part of the arched beam, penetrates through the arched beam buttresses and leads to a construction column; after being tensioned under a prestress, the arched beam prestress tendon is fixed to the construction column via an anchorage device; an arched beam non-prestress tendon is arranged at the upper part of the arched beam, and extends into the arched beam buttresses; reinforcing steel plates are arranged on two sides of a brick wall where the arched beam buttresses are positioned, and the reinforcing steel plates are fixed via split bolts; a load bearing wall prestress tendon is arranged above the arched beam, and after being tensioned under the prestress, a brick wall prestress tendon forms a broken line; the brick wall prestress tendon is divided into a plurality of tensioning units, and supporting tendons are welded at two ends of each tensioning unit; after being tensioned completely, the brick wall prestress tendon is fixed by virtue of a tension tendon.
Description
Technical field
The present invention relates to a kind of load bearing wall reinforcing method, it is adaptable to building field.
Background technology
Load bearing wall carries out punching and can cause in stress unbalance, on the one hand owing to the load above hole needs carrying, if unreasonable structure weight, brick wall can be caused to cave in, gently then occur crack around hole. Conventionally employed Horizontal concrete lintel form usually occurs that in engineering practice splayed crack or Vertical Cracks occurs in hole edge. Due to stresses re-distribution brick wall above load bearing wall hole, the region of high stress can occur on the other hand, there will be irregular cracks without the brick wall above technical measures load bearing wall hole. It addition, the brick wall of load bearing wall hole edge there will be partial pressing, if not causing the attention of height can lead to security incident.
Summary of the invention
The present invention is to provide a kind of load bearing wall reinforcing method, solves the problem that tradition reinforcement means security performance is bad.
Due to arched girder structure when stress more reasonable, load above arched girder rationally can be transmitted, therefore the present invention arranges arched girder at load bearing wall hole top, arched girder height is 350～600mm, arched girder width is identical with brick wall width, arched girder two ends arrange arched girder buttress, arched girder buttress height is 350～600mm, arched girder bottom arranges arched girder presstressed reinforcing steel, arched girder presstressed reinforcing steel diameter is 18～25mm, arched girder presstressed reinforcing steel is through arched girder buttress one through to constructional column, it is fixed on constructional column by ground tackle after arched girder presstressed reinforcing steel prestressed stretch-draw, arched girder top arranges arched girder non-prestressing tendon, arched girder non-prestressing tendon diameter is 18～25mm, arched girder non-prestressing tendon stretches into arched girder buttress. brick wall both sides, arched girder buttress position arrange strengthening steel slab, strengthening steel slab thickness is 12～15mm, local brick wall below arched girder buttress is reinforced by strengthening steel slab, strengthening steel slab reinforcing scope extends to below hole 0.5～0.7m, strengthening steel slab is fixed by split bolt, split bolt diameter is 16～18mm, and split bolt setting space is 350～450mm. the setting of strengthening steel slab effectively prevent the partial pressing at arched girder buttress position and destroys.
Owing to the brick wall above arched girder forms stress concentration, cracking easily occurs, it is necessary to the brick wall above arched girder is reinforced.According to simulation analysis of computer, arc area of stress concentration can be formed above arched girder, according to stress distribution feature, arched girder is provided above load bearing wall presstressed reinforcing steel, load bearing wall presstressed reinforcing steel diameter is 12～16mm, is level when arranging at the beginning of brick wall presstressed reinforcing steel, and the brick wall presstressed reinforcing steel vertical spacing when level is 200～250mm, the brick wall presstressed reinforcing steel position when level is arranged on brick wall mortar joint position as much as possible, and brick wall presstressed reinforcing steel forms broken line after prestressed stretch-draw. Six row's brick wall presstressed reinforcing steels or four row's brick wall presstressed reinforcing steels are arranged according to stress characteristic, first row brick wall presstressed reinforcing steel and second row brick wall presstressed reinforcing steel flush, 3rd row's brick wall presstressed reinforcing steel and the 4th row's brick wall presstressed reinforcing steel are relative to second row brick wall presstressed reinforcing steel indentation, indentation length is 40～60mm, 5th row's brick wall presstressed reinforcing steel and the 6th row's brick wall presstressed reinforcing steel arrange brick wall presstressed reinforcing steel indentation relative to the 4th, and indentation length is 40～60mm; First row brick wall presstressed reinforcing steel is 50～70mm from the vertical distance of arched girder. Brick wall presstressed reinforcing steel two ends arrange porthole, and porthole width, length, height are identical with load bearing wall width, place billet in porthole, and brick wall presstressed reinforcing steel welds with billet, and clogging intensity in porthole is C30 or above concrete. Brick wall presstressed reinforcing steel is divided into several tensioned units, and each tensioned unit length is 1.5～2m, tensioned unit two ends welding brace rod, fixes with lacing wire after brick wall tension of prestressed tendon.
Construction procedure includes:
(1) form bracing is set, load bearing wall load is laid down.
(2) load bearing wall hole is offered with cutting machine, load bearing wall arranges groove makes arched girder presstressed reinforcing steel pass to constructional column through groove, colligation arched girder reinforcing bar, install arched girder template and arched girder buttress template, arched girder side template arranges concreting hole, concreting bore dia is 80～120mm, and concreting hole setting space is 2～3m.
(3) offer the porthole at brick wall presstressed reinforcing steel two ends with cutting machine, place billet in porthole, brick wall presstressed reinforcing steel is welded on billet, casting concrete after brick wall presstressed reinforcing steel is fixing.
(4) according to tensioned unit, brace rod is welded on brick wall presstressed reinforcing steel.
(5) arched girder concrete and arched girder buttress adopt pumped commercial concrete, and slump is 8～10mm, and pumped commercial concrete is entered by concreting hole and built.
(6) stretch-draw of arched girder presstressed reinforcing steel is carried out, tensioning process adopts as follows: arched girder presstressed reinforcing steel initial tensioning is stretched to the control tension stress of 10%, hold lotus 3min and set up primary stress, then be stretched to control tension stress, hold lotus 5min and set up prestressing force. After stretch-draw, arched girder presstressed reinforcing steel is fixed on constructional column by ground tackle.
(7) carrying out brick wall tension of prestressed tendon after the porthole concrete at brick wall presstressed reinforcing steel two ends reaches design strength more than 90%, brick wall tension of prestressed tendon adopts vertical tension, is welded and fixed with lacing wire after vertical tension.
Mechanical property of the present invention is good, operates safe and reliable.
Accompanying drawing explanation
Fig. 1 is load bearing wall reinforcing structural representation.
Accompanying drawing labelling: 1, arched girder, 2, arched girder presstressed reinforcing steel, 3, arched girder non-prestressing tendon, 4, arched girder buttress, 5, ground tackle, 6, strengthening steel slab, 7, split bolt, 8, constructional column, 9, brick wall presstressed reinforcing steel, 10, billet, 11 concrete, 12, brace rod, 13, lacing wire.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present embodiment is described in detail.
The present embodiment arranges arched girder 1 at load bearing wall hole top, arched girder 1 is highly 400mm, arched girder 1 width is identical with brick wall width, arched girder 1 two ends arrange arched girder buttress 4, arched girder buttress 4 is highly 400mm, arched girder 1 bottom arranges arched girder presstressed reinforcing steel 2, arched girder presstressed reinforcing steel 2 diameter is 22mm, arched girder presstressed reinforcing steel 2 is through arched girder buttress 4 one through to constructional column 8, it is fixed on constructional column 8 by ground tackle 5 after arched girder presstressed reinforcing steel 2 prestressed stretch-draw, arched girder 1 top arranges arched girder non-prestressing tendon 3, arched girder non-prestressing tendon 3 diameter is 22mm, arched girder non-prestressing tendon 3 stretches into arched girder buttress 4. brick wall both sides, arched girder buttress 4 position arrange strengthening steel slab 6, strengthening steel slab 6 thickness is 14mm, arched girder buttress 4 local brick wall below is reinforced by strengthening steel slab 6, strengthening steel slab 6 reinforcing scope extends to below hole 0.6m, strengthening steel slab 6 is fixed by split bolt 7, split bolt 7 diameter is 16mm, and split bolt 7 setting space is 400mm.
Arched girder 1 is provided above load bearing wall presstressed reinforcing steel, load bearing wall presstressed reinforcing steel diameter is 12～16mm, brick wall presstressed reinforcing steel 9 is level when just arranging, the brick wall presstressed reinforcing steel 9 vertical spacing when level is 240mm, the brick wall presstressed reinforcing steel 9 position when level is arranged on brick wall mortar joint position as much as possible, and brick wall presstressed reinforcing steel 9 forms broken line after prestressed stretch-draw. Six row's brick wall presstressed reinforcing steels 9 are arranged according to stress characteristic, first row brick wall presstressed reinforcing steel 9 and second row brick wall presstressed reinforcing steel 9 flush, 3rd row's brick wall presstressed reinforcing steel 9 and the 4th row's brick wall presstressed reinforcing steel 9 are relative to second row brick wall presstressed reinforcing steel 9 indentation, indentation length is 50mm, 5th row's brick wall presstressed reinforcing steel 9 and the 6th row's brick wall presstressed reinforcing steel 9 arrange brick wall presstressed reinforcing steel 9 indentation relative to the 4th, and indentation length is 50mm; First row brick wall presstressed reinforcing steel 9 is 60mm from the vertical distance of arched girder 1. Brick wall presstressed reinforcing steel 9 two ends arrange porthole, and porthole width, length, height are identical with load bearing wall width, place billet 10 in porthole, and brick wall presstressed reinforcing steel 9 welds with billet 10, and clogging intensity in porthole is C30 or above concrete 11. Brick wall presstressed reinforcing steel 9 is divided into several tensioned units, and each tensioned unit length is 1.8m, tensioned unit two ends welding brace rod 12, fixes with lacing wire 13 after brick wall presstressed reinforcing steel 9 stretch-draw.
Construction procedure includes:
(1) form bracing is set, load bearing wall load is laid down.
(2) load bearing wall hole is offered with cutting machine, load bearing wall arranges groove makes arched girder presstressed reinforcing steel 2 pass to constructional column 8 through groove, colligation arched girder 1 reinforcing bar, install arched girder 1 template and arched girder buttress 4 template, arched girder 1 side template arranges concreting hole, concreting bore dia is 100mm, and concreting hole setting space is 2.5m.
(3) offer the porthole at brick wall presstressed reinforcing steel 9 two ends with cutting machine, in porthole, place billet 10, brick wall presstressed reinforcing steel 9 is welded on billet 10, casting concrete 11 after brick wall presstressed reinforcing steel 9 is fixing.
(4) according to tensioned unit, brace rod 12 is welded on brick wall presstressed reinforcing steel 9.
(5) arched girder 1 concrete and arched girder buttress 4 adopt pumped commercial concrete, and slump is 8～10mm, and pumped commercial concrete is entered by concreting hole and built.
(6) stretch-draw of arched girder presstressed reinforcing steel 2 is carried out, tensioning process adopts as follows: arched girder presstressed reinforcing steel 2 initial tensioning is stretched to the control tension stress of 10%, hold lotus 3min and set up primary stress, then be stretched to control tension stress, hold lotus 5min and set up prestressing force.After stretch-draw, arched girder presstressed reinforcing steel 2 is fixed on constructional column 8 by ground tackle 5.
(7) carrying out brick wall presstressed reinforcing steel 9 stretch-draw after the porthole concrete 11 at brick wall presstressed reinforcing steel 9 two ends reaches design strength more than 90%, brick wall presstressed reinforcing steel 9 stretch-draw adopts vertical tension, is welded and fixed with lacing wire 13 after vertical tension.
Claims (9)
1. a load bearing wall reinforcing method, it is characterized in that arranging arched girder at load bearing wall hole top, arched girder two ends arrange arched girder buttress, arched girder bottom arranges arched girder presstressed reinforcing steel, arched girder presstressed reinforcing steel is through arched girder buttress one through to constructional column, being fixed on constructional column by ground tackle after arched girder presstressed reinforcing steel prestressed stretch-draw, arched girder top arranges arched girder non-prestressing tendon, and arched girder non-prestressing tendon stretches into arched girder buttress; Brick wall both sides, arched girder buttress position arrange strengthening steel slab, and local brick wall below arched girder buttress is reinforced by strengthening steel slab, and strengthening steel slab reinforcing scope extends to below hole 0.5～0.7m, and strengthening steel slab is fixed by split bolt;
Arched girder is provided above load bearing wall presstressed reinforcing steel, load bearing wall presstressed reinforcing steel diameter is 12～16mm, it is level when arranging at the beginning of brick wall presstressed reinforcing steel, the brick wall presstressed reinforcing steel vertical spacing when level is 200～250mm, the brick wall presstressed reinforcing steel position when level is arranged on brick wall mortar joint position as much as possible, and brick wall presstressed reinforcing steel forms broken line after prestressed stretch-draw; Brick wall presstressed reinforcing steel two ends arrange porthole, and porthole width, length, height are identical with load bearing wall width, place billet in porthole, and brick wall presstressed reinforcing steel welds with billet, and clogging intensity in porthole is C30 or above concrete; Brick wall presstressed reinforcing steel is divided into several tensioned units, and each tensioned unit length is 1.5～2m, tensioned unit two ends welding brace rod, fixes with lacing wire after brick wall tension of prestressed tendon.
2. load bearing wall reinforcing method according to claim 1, is characterized in that construction procedure includes:
(1) form bracing is set, load bearing wall load is laid down;
(2) load bearing wall hole is offered with cutting machine, load bearing wall arranges groove makes arched girder presstressed reinforcing steel pass to constructional column through groove, colligation arched girder reinforcing bar, install arched girder template and arched girder buttress template, arched girder side template arranges concreting hole, concreting bore dia is 80～120mm, and concreting hole setting space is 2～3m;
(3) offer the porthole at brick wall presstressed reinforcing steel two ends with cutting machine, place billet in porthole, brick wall presstressed reinforcing steel is welded on billet, casting concrete after brick wall presstressed reinforcing steel is fixing;
(4) according to tensioned unit, brace rod is welded on brick wall presstressed reinforcing steel;
(5) arched girder concrete and arched girder buttress adopt pumped commercial concrete, and slump is 8～10mm, and pumped commercial concrete is entered by concreting hole and built;
(6) stretch-draw of arched girder presstressed reinforcing steel is carried out, tensioning process adopts as follows: arched girder presstressed reinforcing steel initial tensioning is stretched to the control tension stress of 10%, hold lotus 3min and set up primary stress, then be stretched to control tension stress, hold lotus 5min and set up prestressing force; After stretch-draw, arched girder presstressed reinforcing steel is fixed on constructional column by ground tackle;
(7) carrying out brick wall tension of prestressed tendon after the porthole concrete at brick wall presstressed reinforcing steel two ends reaches design strength more than 90%, brick wall tension of prestressed tendon adopts vertical tension, is welded and fixed with lacing wire after vertical tension.
3. load bearing wall reinforcing method according to claim 1, is characterized in that arched girder height is 350～600mm, and arched girder width is identical with brick wall width.
4. load bearing wall reinforcing method according to claim 1, is characterized in that arched girder buttress height is 350～600mm.
5. load bearing wall reinforcing method according to claim 1, is characterized in that arched girder presstressed reinforcing steel diameter is 18～25mm.
6. load bearing wall reinforcing method according to claim 1, is characterized in that arched girder non-prestressing tendon diameter is 18～25mm.
7. load bearing wall reinforcing method according to claim 1, is characterized in that strengthening steel slab thickness is 12～15mm.
8. load bearing wall reinforcing method according to claim 1, is characterized in that, split bolt diameter is 16～18mm, and split bolt setting space is 350～450mm.
9. load bearing wall reinforcing method according to claim 1, it is characterized in that arranging six row's brick wall presstressed reinforcing steels or four row's brick wall presstressed reinforcing steels according to stress characteristic, first row brick wall presstressed reinforcing steel and second row brick wall presstressed reinforcing steel flush, 3rd row's brick wall presstressed reinforcing steel and the 4th row's brick wall presstressed reinforcing steel are relative to second row brick wall presstressed reinforcing steel indentation, indentation length is 40～60mm, 5th row's brick wall presstressed reinforcing steel and the 6th row's brick wall presstressed reinforcing steel arrange brick wall presstressed reinforcing steel indentation relative to the 4th, and indentation length is 40～60mm. First row brick wall presstressed reinforcing steel is 50～70mm from the vertical distance of arched girder.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181708.0A CN105672690B (en) | 2016-03-02 | 2016-03-02 | Load bearing wall reinforcing method |
| CN201710707381.0A CN107299773B (en) | 2016-03-02 | 2016-03-02 | Load bearing wall reinforcing construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181708.0A CN105672690B (en) | 2016-03-02 | 2016-03-02 | Load bearing wall reinforcing method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710707381.0A Division CN107299773B (en) | 2016-03-02 | 2016-03-02 | Load bearing wall reinforcing construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105672690A true CN105672690A (en) | 2016-06-15 |
| CN105672690B CN105672690B (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710707381.0A Expired - Fee Related CN107299773B (en) | 2016-03-02 | 2016-03-02 | Load bearing wall reinforcing construction method |
| CN201610181708.0A Expired - Fee Related CN105672690B (en) | 2016-03-02 | 2016-03-02 | Load bearing wall reinforcing method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710707381.0A Expired - Fee Related CN107299773B (en) | 2016-03-02 | 2016-03-02 | Load bearing wall reinforcing construction method |
Country Status (1)
| Country | Link |
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| CN (2) | CN107299773B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867931A (en) * | 2018-07-02 | 2018-11-23 | 中国建筑第八工程局有限公司 | Shear wall builds door opening structure |
| CN109653533A (en) * | 2019-02-13 | 2019-04-19 | 程勇俊 | A kind of concrete floor reinforced construction method |
| CN115653346A (en) * | 2022-12-26 | 2023-01-31 | 上海建工一建集团有限公司 | Wall and beam replacement structure of existing house and construction method thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999422A (en) * | 2018-08-15 | 2018-12-14 | 庐江荣睿建设工程有限公司 | A kind of method that bearing wall opens up door-window opening |
| CN110331795B (en) * | 2019-07-25 | 2022-04-29 | 石家庄市住宅开发建设公司 | Reverse construction method for arch coupon structure |
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| KR100693137B1 (en) * | 2004-06-15 | 2007-03-13 | 김상남 | Structure for reinforcing a building using prestress |
| CN102434008A (en) * | 2010-09-29 | 2012-05-02 | 贵阳铝镁设计研究院有限公司 | Opening reinforcing method implemented after punching hole on cast-in-place concrete plate |
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| CN204212447U (en) * | 2014-10-17 | 2015-03-18 | 中国十七冶集团有限公司 | Door and window concrete arch lintel strengthening construction device |
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| US6505450B1 (en) * | 1997-10-29 | 2003-01-14 | Reginald A. J. Locke | Masonry reinforcement system |
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| CN201531124U (en) * | 2009-09-24 | 2010-07-21 | 马人乐 | Graded external pre-stress strengthening masonry structure |
| CN202509790U (en) * | 2012-01-12 | 2012-10-31 | 中国水电顾问集团华东勘测设计研究院 | Reinforcing structure of structure pool |
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- 2016-03-02 CN CN201710707381.0A patent/CN107299773B/en not_active Expired - Fee Related
- 2016-03-02 CN CN201610181708.0A patent/CN105672690B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100693137B1 (en) * | 2004-06-15 | 2007-03-13 | 김상남 | Structure for reinforcing a building using prestress |
| CN102434008A (en) * | 2010-09-29 | 2012-05-02 | 贵阳铝镁设计研究院有限公司 | Opening reinforcing method implemented after punching hole on cast-in-place concrete plate |
| CN102877656A (en) * | 2012-08-10 | 2013-01-16 | 南京工业大学 | Method for reinforcing masonry wall through steel structure |
| CN103741842A (en) * | 2014-01-22 | 2014-04-23 | 天津大学建筑设计研究院 | Lightweight fabricated shear wall structure |
| CN204212447U (en) * | 2014-10-17 | 2015-03-18 | 中国十七冶集团有限公司 | Door and window concrete arch lintel strengthening construction device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867931A (en) * | 2018-07-02 | 2018-11-23 | 中国建筑第八工程局有限公司 | Shear wall builds door opening structure |
| CN109653533A (en) * | 2019-02-13 | 2019-04-19 | 程勇俊 | A kind of concrete floor reinforced construction method |
| CN115653346A (en) * | 2022-12-26 | 2023-01-31 | 上海建工一建集团有限公司 | Wall and beam replacement structure of existing house and construction method thereof |
| CN115653346B (en) * | 2022-12-26 | 2023-03-10 | 上海建工一建集团有限公司 | Existing house wall beam replacement structure and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107299773B (en) | 2019-08-30 |
| CN107299773A (en) | 2017-10-27 |
| CN105672690B (en) | 2017-11-28 |
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