CN107299773A - Load bearing wall reinforcing construction method - Google Patents
Load bearing wall reinforcing construction method Download PDFInfo
- Publication number
- CN107299773A CN107299773A CN201710707381.0A CN201710707381A CN107299773A CN 107299773 A CN107299773 A CN 107299773A CN 201710707381 A CN201710707381 A CN 201710707381A CN 107299773 A CN107299773 A CN 107299773A
- Authority
- CN
- China
- Prior art keywords
- reinforcing steel
- presstressed reinforcing
- brick wall
- arched girder
- row
- 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 15
- 238000010276 construction Methods 0.000 title claims abstract description 14
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 87
- 239000011449 brick Substances 0.000 claims abstract description 87
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 210000002435 tendon Anatomy 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 7
- 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
- 238000005086 pumping Methods 0.000 claims 1
- 238000005728 strengthening Methods 0.000 description 12
- 210000003205 muscle Anatomy 0.000 description 7
- 239000004744 fabric Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 238000003359 percent control normalization Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002689 soil Substances 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 kind of load bearing wall reinforcing construction method, it is characterized in that construction procedure includes：(1) form bracing is set, load bearing wall load is laid down；(2) load bearing wall sets groove arched girder presstressed reinforcing steel is passed to constructional column through groove, and colligation arch beam steel installs arch beam forms and arched girder buttress template, and arch side template sets concreting hole；(3) brick wall presstressed reinforcing steel is fixed and finishes after-pouring concrete；(4) brace rod is welded on by brick wall presstressed reinforcing steel according to tensioned unit；(5) pumped commercial concrete is entered and poured by concreting hole；(6) tensioning of arched girder presstressed reinforcing steel is carried out；Arched girder presstressed reinforcing steel by anchorage is fixed on constructional column by tensioning after finishing；(7) brick wall tension of prestressed tendon uses vertical tension, vertical tension to be welded and fixed after finishing with lacing wire.
Description
Technical field
The present invention relates to a kind of load bearing wall reinforcing construction method, it is adaptable to building field.
Background technology
Load bearing wall punch to cause unbalance in stress, on the one hand because the load above hole needs carrying, if
Unreasonable structure weight can then cause brick wall to cave in, and gently then occur crack around hole.Conventionally employed Horizontal concrete lintel shape
Formula usually occurs hole edge in engineering practice and splayed crack or Vertical Cracks occurs.On the other hand can again it be divided due to stress
There is the region of high stress in brick wall of the cloth above load-bearing wall opening, if can go out without the brick wall above technical measures load-bearing wall opening
Existing irregular cracks.In addition, partial pressing occurs in the brick wall of load-bearing wall opening edge, it can be made if not causing the attention of height
Into security incident.
The content of the invention
The present invention is to provide a kind of load bearing wall reinforcing construction method, solves traditional reinforcement means security performance bad
Problem.
Due to arch girder construction in stress it is more reasonable, the load above arched girder can rationally be transmitted, thus this
Invention sets arched girder in load bearing wall hole top, and arch depth of beam is 350~600mm, arch beam width and brick wall width phase
Together, arched girder two ends set arched girder buttress, and arched girder buttress is highly 350~600mm, and arched girder bottom sets arched girder pre-
Stress rib, a diameter of 18~25mm of arched girder presstressed reinforcing steel, arched girder presstressed reinforcing steel passes through arched girder buttress one through to construction
Constructional column is fixed on by anchorage after post, arched girder presstressed reinforcing steel prestressed stretch-draw, arched girder top set arched girder it is non-it is pre- should
Power muscle, a diameter of 18~25mm of arched girder non-prestressing tendon, arched girder non-prestressing tendon stretches into arched girder buttress.Arched girder buttress
Position brick wall both sides set strengthening steel slab, and strengthening steel slab thickness is 12~15mm, and strengthening steel slab is to local below arched girder buttress
Brick wall is reinforced, and strengthening steel slab reinforcing scope extends to 0.5~0.7m below hole, and strengthening steel slab is carried out by split bolt
Fixed, a diameter of 16~18mm of split bolt, split bolt sets spacing to be 350~450mm.The setting of strengthening steel slab is effectively kept away
Partial pressing's destruction at arched girder buttress position is exempted from.
Because the brick wall formation stress concentration above arched girder is easily cracking, it is necessary to which the brick wall above arched girder is entered
Row is reinforced.According to simulation analysis of computer, arc area of stress concentration can be formed above arched girder, according to stress distribution feature, arch
When being arranged at the beginning of load bearing wall presstressed reinforcing steel, a diameter of 12~16mm of load bearing wall presstressed reinforcing steel, brick wall presstressed reinforcing steel are set above ellbeam
For level, vertical spacing of the brick wall presstressed reinforcing steel in level is 200~250mm, position of the brick wall presstressed reinforcing steel in level
Brick wall mortar joint position is arranged on as much as possible, and brick wall presstressed reinforcing steel forms broken line after prestressed stretch-draw.According to stress characteristic cloth
Put six row's brick wall presstressed reinforcing steels or four row's brick wall presstressed reinforcing steels, first row brick wall presstressed reinforcing steel and second row brick wall presstressed reinforcing steel
Flush, the 3rd row's brick wall presstressed reinforcing steel and the 4th row's brick wall presstressed reinforcing steel are retracted relative to second row brick wall presstressed reinforcing steel, retraction
Length is 40~60mm, and the 5th row's brick wall presstressed reinforcing steel and the 6th row's brick wall presstressed reinforcing steel are relative to the 4th row's brick wall presstressed reinforcing steel
Retraction, retraction length is 40~60mm；It is 50~70mm with a distance from first row brick wall presstressed reinforcing steel is vertical from arched girder.Brick wall in advance should
Power muscle two ends set porthole, porthole width, length, highly identical with load bearing wall width, billet are placed in porthole, brick wall in advance should
Power muscle is welded with billet, and it is C30 or the concrete of the above that intensity is clogged in porthole.Brick wall presstressed reinforcing steel is divided into
Several tensioned units, each tensioned unit length is 1.5~2m, tensioned unit two ends welding brace rod, brick wall presstressed reinforcing steel
Tensioning is fixed after finishing with lacing wire.
Construction procedure includes：
(1) form bracing is set, load bearing wall load is laid down.
(2) load-bearing wall opening is opened up with cutting machine, load bearing wall sets groove arched girder presstressed reinforcing steel is passed to through groove
Constructional column, colligation arch beam steel installs arch beam forms and arched girder buttress template, and arch side template sets concrete to pour
Hole is built, concreting bore dia is 80~120mm, and concreting hole sets spacing to be 2~3m.
(3) opened up with cutting machine and billet is placed in the porthole at brick wall presstressed reinforcing steel two ends, porthole, by brick wall presstressed reinforcing steel
Billet is welded on, brick wall presstressed reinforcing steel is fixed and finishes after-pouring concrete.
(4) brace rod is welded on by brick wall presstressed reinforcing steel according to tensioned unit.
(5) arched girder concrete and arched girder buttress concrete use pumped commercial concrete, and slump is 8~10mm,
Pumped commercial concrete is entered and poured by concreting hole.
(6) tensioning of arched girder presstressed reinforcing steel is carried out, tensioning process is as follows：By arched girder presstressed reinforcing steel initial tensioning to 10%
Control tension stress, hold lotus 3min and set up primary stress, then be stretched to control tension stress, hold lotus 5min and set up prestressing force.
Arched girder presstressed reinforcing steel by anchorage is fixed on constructional column by tensioning after finishing.
(7) brick wall prestressing force is carried out after the porthole concrete at brick wall presstressed reinforcing steel two ends reaches design strength more than 90%
Muscle tensioning, brick wall tension of prestressed tendon uses vertical tension, vertical tension to be welded and fixed after finishing with lacing wire.
Mechanical property of the present invention is good, and safe operation is reliable.
Brief description of the drawings
Fig. 1 is load bearing wall reinforcing structural representation.
Reference：1st, arched girder, 2, arched girder presstressed reinforcing steel, 3, arched girder non-prestressing tendon, 4, arched girder buttress, 5,
Anchorage, 6, strengthening steel slab, 7, split bolt, 8, constructional column, 9, brick wall presstressed reinforcing steel, 10, billet, 11 concrete, 12, support
Muscle, 13, lacing wire.
Embodiment
The present embodiment is described in detail below in conjunction with accompanying drawing.
The present embodiment load bearing wall hole top set arched girder 1, the height of arched girder 1 be 400mm, the width of arched girder 1 with
Brick wall width is identical, and the two ends of arched girder 1 set arched girder buttress 4, and the height of arched girder buttress 4 is 400mm, and the bottom of arched girder 1 is set
Arched girder presstressed reinforcing steel 2 is put, a diameter of 22mm of arched girder presstressed reinforcing steel 2, arched girder presstressed reinforcing steel 2 passes through arched girder buttress 4 one
Through to constructional column 8, constructional column 8 is fixed on by anchorage 5 after the prestressed stretch-draw of arched girder presstressed reinforcing steel 2, the top of arched girder 1 is set
Arched girder non-prestressing tendon 3 is put, a diameter of 22mm of arched girder non-prestressing tendon 3, arched girder non-prestressing tendon 3 stretches into arched girder branch
Pier 4.The position brick wall both sides of arched girder buttress 4 set strengthening steel slab 6, and the thickness of strengthening steel slab 6 is 14mm, and strengthening steel slab 6 is to arch
Beam buttress 4 below reinforced by local brick wall, and the reinforcing scope of strengthening steel slab 6 extends to 0.6m below hole, and strengthening steel slab 6 passes through
Split bolt 7 is fixed, a diameter of 16mm of split bolt 7, and split bolt 7 sets spacing to be 400mm.
The top of arched girder 1 sets load bearing wall presstressed reinforcing steel, a diameter of 12~16mm of load bearing wall presstressed reinforcing steel, brick wall prestressing force
It is level when muscle 9 is just arranged, vertical spacing of the brick wall presstressed reinforcing steel 9 in level is 240mm, and brick wall presstressed reinforcing steel 9 is in level
When position be arranged on brick wall mortar joint position as much as possible, brick wall presstressed reinforcing steel 9 forms broken line after prestressed stretch-draw.According to should
Power feature arranges six row's brick wall presstressed reinforcing steels 9, and first row brick wall presstressed reinforcing steel 9 and second row brick wall presstressed reinforcing steel 9 are flushed, the 3rd
Row's brick wall presstressed reinforcing steel 9 and the 4th row's brick wall presstressed reinforcing steel 9 are retracted relative to second row brick wall presstressed reinforcing steel 9, and retraction length is
50mm, the 5th row's brick wall presstressed reinforcing steel 9 and the 6th row's brick wall presstressed reinforcing steel 9 are retracted relative to the 4th row's brick wall presstressed reinforcing steel 9, contracting
Enter length for 50mm；It is 60mm with a distance from first row brick wall presstressed reinforcing steel 9 is vertical from arched girder 1.The two ends of brick wall presstressed reinforcing steel 9 are set
Porthole, porthole width, length, highly identical with load bearing wall width, placement billet 10, brick wall presstressed reinforcing steel 9 and steel in porthole
Backing plate 10 is welded, and it is C30 or the concrete 11 of the above that intensity is clogged in porthole.If brick wall presstressed reinforcing steel 9 is divided into
Dry tensioned unit, each tensioned unit length is 1.8m, tensioned unit two ends welding brace rod 12, brick wall presstressed reinforcing steel 9
Pull and fixed after finishing with lacing wire 13.
Construction procedure includes：
(1) form bracing is set, load bearing wall load is laid down.
(2) load-bearing wall opening is opened up with cutting machine, load bearing wall sets groove arched girder presstressed reinforcing steel 2 is passed to through groove
Constructional column 8, the reinforcing bar of colligation arched girder 1 installs the template of arched girder 1 and the template of arched girder buttress 4, and the side template of arched girder 1 sets mixed
Solidifying soil pouring hole, concreting bore dia is 100mm, and concreting hole sets spacing to be 2.5m.
(3) opened up with cutting machine and billet 10 is placed in the porthole at the two ends of brick wall presstressed reinforcing steel 9, porthole, brick wall in advance should
Power muscle 9 is welded on billet 10, and brick wall presstressed reinforcing steel 9 is fixed and finishes after-pouring concrete 11.
(4) brace rod 12 is welded on by brick wall presstressed reinforcing steel 9 according to tensioned unit.
(5) concrete of arched girder 1 and the concrete of arched girder buttress 4 use pumped commercial concrete, and slump is 8~
10mm, pumped commercial concrete is entered and poured by concreting hole.
(6) tensioning of arched girder presstressed reinforcing steel 2 is carried out, tensioning process is as follows：By the initial tensioning of arched girder presstressed reinforcing steel 2 extremely
10% control tension stress, holds lotus 3min and sets up primary stress, then is stretched to control tension stress, holds lotus 5min and sets up and in advance should
Power.Arched girder presstressed reinforcing steel 2 by anchorage 5 is fixed on constructional column 8 by tensioning after finishing.
(7) brick wall is carried out after the porthole concrete 11 at the two ends of brick wall presstressed reinforcing steel 9 reaches design strength more than 90% pre-
The tensioning of stress rib 9, the tensioning of brick wall presstressed reinforcing steel 9 uses vertical tension, vertical tension to be welded and fixed after finishing with lacing wire 13.
Claims (2)
1. a kind of load bearing wall reinforcing construction method, it is characterized in that construction procedure includes：
(1) form bracing is set, load bearing wall load is laid down；
(2) load-bearing wall opening is opened up with cutting machine, load bearing wall sets groove arched girder presstressed reinforcing steel is passed to construction through groove
Post, colligation arch beam steel installs arch beam forms and arched girder buttress template, and arch side template sets concreting
Hole, concreting bore dia is 80~120mm, and concreting hole sets spacing to be 2~3m；
(3) opened up with cutting machine and billet is placed in the porthole at brick wall presstressed reinforcing steel two ends, porthole, brick wall presstressed reinforcing steel is welded
In billet, brick wall presstressed reinforcing steel is fixed and finishes after-pouring concrete；
(4) brace rod is welded on by brick wall presstressed reinforcing steel according to tensioned unit；
(5) arched girder concrete and arched girder buttress concrete use pumped commercial concrete, and slump is 8~10mm, pumping
Commerical ready-mixed concrete is entered and poured by concreting hole；
(6) tensioning of arched girder presstressed reinforcing steel is carried out, tensioning process is as follows：By the control of arched girder presstressed reinforcing steel initial tensioning to 10%
Tension stress processed, holds lotus 3min and sets up primary stress, then is stretched to control tension stress, holds lotus 5min and sets up prestressing force；Tensioning
Arched girder presstressed reinforcing steel is fixed on constructional column by anchorage after finishing；
(7) brick wall presstressed reinforcing steel is carried out after the porthole concrete at brick wall presstressed reinforcing steel two ends reaches design strength more than 90%
Draw, brick wall tension of prestressed tendon uses vertical tension, vertical tension to be welded and fixed after finishing with lacing wire.
2. load bearing wall reinforcing construction method according to claim 1, it is characterized in that arranging six rows according to stress characteristic
Brick wall presstressed reinforcing steel or four row's brick wall presstressed reinforcing steels, first row brick wall presstressed reinforcing steel and second row brick wall presstressed reinforcing steel are flushed,
3rd row's brick wall presstressed reinforcing steel and the 4th row's brick wall presstressed reinforcing steel are retracted relative to second row brick wall presstressed reinforcing steel, and retraction length is
40~60mm, the 5th row's brick wall presstressed reinforcing steel and the 6th row's brick wall presstressed reinforcing steel are retracted relative to the 4th row's brick wall presstressed reinforcing steel,
Retraction length is 40~60mm；It is 50~70mm with a distance from first row brick wall presstressed reinforcing steel is vertical from arched girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707381.0A CN107299773B (en) | 2016-03-02 | 2016-03-02 | Load bearing wall reinforcing construction method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707381.0A CN107299773B (en) | 2016-03-02 | 2016-03-02 | Load bearing wall reinforcing construction method |
| CN201610181708.0A CN105672690B (en) | 2016-03-02 | 2016-03-02 | Load bearing wall reinforcing method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610181708.0A Division CN105672690B (en) | 2016-03-02 | 2016-03-02 | Load bearing wall reinforcing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107299773A true CN107299773A (en) | 2017-10-27 |
| CN107299773B CN107299773B (en) | 2019-08-30 |
Family
ID=56224368
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610181708.0A Expired - Fee Related CN105672690B (en) | 2016-03-02 | 2016-03-02 | Load bearing wall reinforcing method |
| CN201710707381.0A Expired - Fee Related CN107299773B (en) | 2016-03-02 | 2016-03-02 | Load bearing wall reinforcing construction method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610181708.0A Expired - Fee Related CN105672690B (en) | 2016-03-02 | 2016-03-02 | Load bearing wall reinforcing method |
Country Status (1)
| Country | Link |
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| CN (2) | CN105672690B (en) |
Cited By (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 |
| CN110331795A (en) * | 2019-07-25 | 2019-10-15 | 石家庄市住宅开发建设公司 | Arch construction top-down construction method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867931B (en) * | 2018-07-02 | 2019-12-13 | 中国建筑第八工程局有限公司 | Shear wall building door opening structure |
| CN109653533A (en) * | 2019-02-13 | 2019-04-19 | 程勇俊 | A kind of concrete floor reinforced construction method |
| 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 |
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|---|---|---|---|---|
| US6505450B1 (en) * | 1997-10-29 | 2003-01-14 | Reginald A. J. Locke | Masonry reinforcement system |
| CN201206337Y (en) * | 2008-03-14 | 2009-03-11 | 中建三局建设工程股份有限公司 | Prestressed concrete structure |
| CN101446138A (en) * | 2008-12-19 | 2009-06-03 | 上海市第五建筑有限公司 | Reconstructed project wall external decoration material anti-seepage construction method |
| 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 |
| CN103352581A (en) * | 2013-07-09 | 2013-10-16 | 北京筑福国际工程技术有限责任公司 | Method for strengthening sintering clay brick masonry structure through internal prestressed steel anchor rods |
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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 |
| CN102434008B (en) * | 2010-09-29 | 2015-02-25 | 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 |
| CN102877656B (en) * | 2012-08-10 | 2016-08-03 | 南京工业大学 | The method of steel structure reinforcing masonry wall |
| 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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2016
- 2016-03-02 CN CN201610181708.0A patent/CN105672690B/en not_active Expired - Fee Related
- 2016-03-02 CN CN201710707381.0A patent/CN107299773B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6505450B1 (en) * | 1997-10-29 | 2003-01-14 | Reginald A. J. Locke | Masonry reinforcement system |
| CN201206337Y (en) * | 2008-03-14 | 2009-03-11 | 中建三局建设工程股份有限公司 | Prestressed concrete structure |
| CN101446138A (en) * | 2008-12-19 | 2009-06-03 | 上海市第五建筑有限公司 | Reconstructed project wall external decoration material anti-seepage construction method |
| 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 |
| CN103352581A (en) * | 2013-07-09 | 2013-10-16 | 北京筑福国际工程技术有限责任公司 | Method for strengthening sintering clay brick masonry structure through internal prestressed steel anchor rods |
Cited By (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 |
| CN110331795A (en) * | 2019-07-25 | 2019-10-15 | 石家庄市住宅开发建设公司 | Arch construction top-down construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107299773B (en) | 2019-08-30 |
| CN105672690B (en) | 2017-11-28 |
| CN105672690A (en) | 2016-06-15 |
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