CN107191004B - Brick column reinforced construction method - Google Patents
Brick column reinforced construction method Download PDFInfo
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- CN107191004B CN107191004B CN201710537097.3A CN201710537097A CN107191004B CN 107191004 B CN107191004 B CN 107191004B CN 201710537097 A CN201710537097 A CN 201710537097A CN 107191004 B CN107191004 B CN 107191004B
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- brick column
- brick
- presstressed reinforcing
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
- Working Measures On Existing Buildindgs (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of brick column reinforced construction methods, it is characterized in that construction procedure includes: that (1) makes brick column be in unloaded state；(2) the pre-buried U-shaped built-in fitting of brick column transverse direction mortar joint；(3) billet is inserted into the vertical mortar joint of brick column, welded gasket reinforcing bar on the outside of billet forms and turns to bloom；(4) from setting angle steel at 250~300mm of brick styletable head；(5) presstressed reinforcing steel is hung；(6) presstressed reinforcing steel is tentatively fixed on angle steel with anchorage, carries out first time electrified regulation；(7) jet expansion concrete；(8) second of electrified regulation is carried out after gunite concrete 45min；(9) third time electrified regulation is carried out after 12 hours of gunite concrete；(10) steel batten plate and U-shaped built-in fitting are welded.
Description
Technical field
The present invention relates to a kind of reinforced construction methods, in particular to brick column reinforced construction method.
Background technique
Brick columns bearing capacity will be reinforced when inadequate, and traditional reinforcement means is section-increased method, due to original structure
Body is in stress, has generated ess-strain, then plus structural body there is no ess-strain, cause original structural body and
Afterwards plus structural body ess-strain it is uncoordinated, after causing plus structural body and original structural body be difficult to form entirety.It is necessary to
This is improved, certain prestressing force is applied to the rear structural body added, so that its is generated ess-strain, is conducive to original structural body
Coordinate stress with the rear structural body added.
Summary of the invention
The present invention is to provide a kind of brick column reinforced construction method, solves to carry out consolidation effect not when brick columns bearing capacity is inadequate
Good problem.
Two presstressed reinforcing steels are hung after brick column removing surface painting mortar, presstressed reinforcing steel diameter is 18~25mm, prestressing force
Muscle interlude is to be arranged vertically, and segment length is 0.45~0.55 times of brick pillar height degree, two presstressed reinforcing steel spacing among presstressed reinforcing steel
It is determined according to brick column section, when brick column section length is 250mm, two presstressed reinforcing steel spacing are 60mm；When brick column section
Length is 300mm, and two presstressed reinforcing steel spacing are 75mm；When brick column section length is 350mm, two presstressed reinforcing steel spacing are
90mm；When brick column section length is 400mm, two presstressed reinforcing steel spacing are 100mm；When brick column section length be 450mm, two
Presstressed reinforcing steel spacing is 110mm；When brick column section length be 500mm and more than when, two presstressed reinforcing steel spacing are 120mm.
The turnover position setting that presstressed reinforcing steel vertical section becomes oblique section turns to bloom, turns to bloom and is made of billet and pad reinforcing bar,
Billet pads the round steel that reinforcing bar is 12~14mm of diameter with a thickness of 10mm, and pad steel-bar and stress technique muscle contact site according to answering in advance
Power myospasm folding radian is polished, and is contacted after so that presstressed reinforcing steel is transferred with pad reinforcing bar as face contact.It is vertical that billet is inserted into brick column
Mortar joint, from angle steel is arranged at 250~300mm of brick styletable head, angle steel is inserted into brick column transverse direction mortar joint, leads to after tension of prestressed tendon
It crosses anchorage and is fixed on angle steel.Gunite concrete is set outside presstressed reinforcing steel, and gunite concrete uses expansive concrete, expands coagulation
Native intensity be C30 or more than, with a thickness of 25~35mm, steel batten plate is set outside expansive concrete, steel batten plate and is embedded in brick
U-shaped built-in fitting welds in column, and steel batten plate width is 150~200mm, and wrapping up gunite concrete by steel batten plate makes reinforced concrete
In three-dimensional stress state, playing ruggedized construction mechanical function ahead of time has very big effect, and steel batten plate is arranged spacing and reinforces
The stress performance of concrete has very big relationship, carries out a large number of experiments thus, between being determined that steel batten plate is arranged according to test result
Away from.The stress mobilization factor situation of table 1 is brick column section length when being the 400mm setting of steel batten plate spacing and reinforced concrete, table
Middle brick column section is square, and the stress mobilization factor of reinforced concrete refers to the reinforced concrete bearing stress under upper load
With the ratio of limit stress.According to table 1 as a result, with bearing capacity increase, the stress mobilization factor of reinforced concrete can be
It is promoted, when steel batten plate setting spacing is greater than 550mm, stress mobilization factor is reduced larger, and when steel batten plate setting spacing is less than
The variation of stress mobilization factor is little when 500mm.Therefore brick column section length be 400mm when, steel batten plate be arranged spacing be greater than 500mm
And it is less than or equal to 550mm.The stress of table 2 is brick column section length when being the 450mm setting of steel batten plate spacing and reinforced concrete
Mobilization factor situation, according to 2 situation of table, when brick column section length is 450mm, steel batten plate be arranged spacing be greater than 550mm and
Less than or equal to 600mm.Successively test determine: when brick column section length be 500mm when, steel batten plate be arranged spacing be greater than
600mm and be less than or equal to 650mm.When brick column section length is 550mm or is greater than 550mm, it is big that spacing, which is arranged, in steel batten plate
In 650mm and it is less than or equal to 700mm.When brick column section length is 350mm or is less than 350mm, steel batten plate setting spacing is
More than or equal to 450mm and it is less than or equal to 550mm.
The stress mobilization factor feelings of table 1 is brick column section length when being the 400mm setting of steel batten plate spacing and reinforced concrete
Condition
The stress mobilization factor feelings of table 2 is brick column section length when being the 450mm setting of steel batten plate spacing and reinforced concrete
Condition
Construction procedure includes:
(1) brick column is made to be in unloaded state.
(2) mortar, the pre-buried U-shaped built-in fitting of brick column transverse direction mortar joint are painted in removing brick column removing surface.
(3) billet is inserted into the vertical mortar joint of brick column, welded gasket reinforcing bar on the outside of billet forms and turns to bloom.
(4) from angle steel is arranged at 250~300mm of brick styletable head, angle steel is inserted into brick column transverse direction mortar joint.
(5) presstressed reinforcing steel is hung, deformed bar end is coupled with three-phase low-voltage transformer, transformer is equipped with can power transformation
Resistance, while the electric wire on deformed bar should be connected to using insulation soft copper silk twisted wire from electric heating transformer with cooling equipment.
(6) presstressed reinforcing steel is tentatively fixed on angle steel with anchorage, carries out first time electrified regulation, electrified regulation 5min is built
Vertical primary stress, is then fixed on angle steel for deformed bar by anchorage.
(7) jet expansion concrete.
(8) second of electrified regulation, electrified regulation 5min are carried out after gunite concrete 45min.
(9) third time electrified regulation is carried out after 12 hours of gunite concrete, electrified regulation 10min will by anchorage
Deformed bar is fixed on angle steel.
(10) steel batten plate and U-shaped built-in fitting are welded, fusion length is greater than 80mm.
Mechanical property of the present invention is good, and quality is easily obtained guarantee.
Detailed description of the invention
Fig. 1 is brick column ruggedized construction elevational schematic view, and Fig. 2 is brick column ruggedized construction schematic cross-section, and Fig. 3 is to turn to bloom
Structural schematic diagram.
In each attached drawing: 1, brick column, 2, steering bloom, 3, presstressed reinforcing steel, 4, angle steel, 5, steel batten plate, 6, anchorage, 7, swelled mixture
Solidifying soil, 8, U-shaped built-in fitting, 9, billet, 10, pad reinforcing bar.
Specific embodiment
Fig. 1 is brick column ruggedized construction elevational schematic view, and Fig. 2 is brick column ruggedized construction schematic cross-section, and Fig. 3 is to turn to bloom
Structural schematic diagram.Two presstressed reinforcing steels 3 are hung after 1 removing surface of brick column painting mortar in embodiment, 3 diameter of presstressed reinforcing steel is
22mm, 3 interlude of presstressed reinforcing steel are to be arranged vertically, and the intermediate segment length of presstressed reinforcing steel 3 is 0.5 times of brick column, 1 height, 1 section of brick column
Length is 400mm, and two 3 spacing of presstressed reinforcing steel are 100mm.3 vertical section of presstressed reinforcing steel becomes oblique section of turnover position setting
Bloom 2 is turned to, bloom 2 is turned to and is made of billet 9 and pad reinforcing bar 10, for billet 9 with a thickness of 10mm, pad reinforcing bar 10 is diameter
The round steel of 12mm, pad reinforcing bar 10 are polished with 3 contact site of presstressed reinforcing steel according to the turnover radian of presstressed reinforcing steel 3, and prestressing force is made
Muscle 3 contacts after transferring with pad reinforcing bar 10 as face contact.Billet 9 is inserted into the vertical mortar joint of brick column 1, from setting at 1 end 300mm of brick column
Angle setting steel 4, angle steel 4 are inserted into the lateral mortar joint of brick column 1, are fixed on angle steel 4 by anchorage 6 after 3 tensioning of presstressed reinforcing steel.Prestressing force
Gunite concrete is set outside muscle 3, gunite concrete uses expansive concrete 7, and 7 intensity of expansive concrete is C30, with a thickness of
30mm, is arranged steel batten plate 5 outside expansive concrete 7, steel batten plate 5 and is embedded in U-shaped built-in fitting 8 in brick column 1 and welds, steel batten plate 5
Width is 180mm.It is greater than 520mm that spacing, which is arranged, in steel batten plate 5.
Construction procedure includes:
(1) brick column 1 is made to be in unloaded state.
(2) mortar, the pre-buried U-shaped built-in fitting 8 of the lateral mortar joint of brick column 1 are painted in removing 1 removing surface of brick column.
(3) billet 9 is inserted into the vertical mortar joint of brick column 1,9 outside welded gasket reinforcing bar 10 of billet forms and turns to bloom 2.
(4) from angle steel 4 is arranged at 1 end 300mm of brick column, angle steel 4 is inserted into the lateral mortar joint of brick column 1.
(5) presstressed reinforcing steel 3 is hung, deformed bar end is coupled with three-phase low-voltage transformer, transformer is equipped with variable
Resistance, while the electric wire on deformed bar should be connected to using insulation soft copper silk twisted wire from electric heating transformer with cooling equipment.
(6) presstressed reinforcing steel 3 is tentatively fixed on angle steel 4 with anchorage 6, carries out first time electrified regulation, electrified regulation 5min,
Primary stress is established, deformed bar is then fixed on by angle steel 4 by anchorage 6.
(7) jet expansion concrete seven.
(8) second of electrified regulation, electrified regulation 5min are carried out after gunite concrete 45min.
(9) third time electrified regulation is carried out after 12 hours of gunite concrete, electrified regulation 10min will by anchorage 6
Deformed bar is fixed on angle steel 4.
(10) steel batten plate 5 and U-shaped built-in fitting are welded, fusion length is greater than 80mm.
Claims (1)
1. a kind of brick column reinforced construction method, it is characterized in that hanging two presstressed reinforcing steels after brick column removing surface painting mortar, in advance
Stress rib interlude is to be arranged vertically, and segment length is 0.45~0.55 times of brick pillar height degree among presstressed reinforcing steel, and presstressed reinforcing steel is vertical
Oblique section of Duan Bianwei turnover position setting turn to bloom, billet be inserted into the vertical mortar joint of brick column, from brick styletable head 250~
Angle steel is set at 300mm, and angle steel is inserted into brick column transverse direction mortar joint, is fixed on angle steel by anchorage after tension of prestressed tendon；In advance
Gunite concrete is set outside stress rib, and gunite concrete uses expansive concrete, steel batten plate, steel is arranged outside expansive concrete
Batten plate is welded with U-shaped built-in fitting in brick column is embedded in, and steel batten plate width is 150~200mm；
Two presstressed reinforcing steel spacing are determined according to brick column section, when brick column section length is 250mm, between two presstressed reinforcing steels
Away from for 60mm；When brick column section length is 300mm, two presstressed reinforcing steel spacing are 75mm；When brick column section length be 350mm,
Two presstressed reinforcing steel spacing are 90mm；When brick column section length is 400mm, two presstressed reinforcing steel spacing are 100mm；When brick column is cut
Face length is 450mm, and two presstressed reinforcing steel spacing are 110mm；When brick column section length be 500mm and more than when, two are pre-
Stress rib spacing is 120mm；
Bloom is turned to be made of billet and pad reinforcing bar, billet pads the round steel that reinforcing bar is 12~14mm of diameter with a thickness of 10mm,
Pad steel-bar and stress technique muscle contact site according to presstressed reinforcing steel transfer radian polish, make presstressed reinforcing steel transfer after with pad reinforcing bar
Contact is face contact；
When brick column section length is 400mm, it is greater than 500mm and to be less than or equal to 550mm that spacing, which is arranged, in steel batten plate；When brick column is cut
When face length is 450mm, it is greater than 550mm and to be less than or equal to 600mm that spacing, which is arranged, in steel batten plate；When brick column section length is
When 500mm, it is greater than 600mm and to be less than or equal to 650mm that spacing, which is arranged, in steel batten plate；When brick column section length is 550mm or big
When 550mm, it is greater than 650mm and to be less than or equal to 700mm that spacing, which is arranged, in steel batten plate；When brick column section length be 350mm or
When less than 350mm, it is more than or equal to 450mm and to be less than or equal to 550mm that spacing, which is arranged, in steel batten plate；
Construction procedure includes:
(1) it is arranged around brick column, brick column is made to be in unloaded state；
(2) mortar, the pre-buried U-shaped built-in fitting of brick column transverse direction mortar joint are painted in removing brick column removing surface；
(3) billet is inserted into the vertical mortar joint of brick column, welded gasket reinforcing bar on the outside of billet forms and turns to bloom；
(4) from angle steel is arranged at 250~300mm of brick styletable head, angle steel is inserted into brick column transverse direction mortar joint；
(5) presstressed reinforcing steel is hung, deformed bar end is coupled with three-phase low-voltage transformer, transformer is equipped with variable resistance,
Simultaneously the electric wire on deformed bar should be connected to using insulation soft copper silk twisted wire from electric heating transformer with cooling equipment；
(6) presstressed reinforcing steel is tentatively fixed on angle steel with anchorage, carries out first time electrified regulation, electrified regulation 5min is established just
Then deformed bar is fixed on angle steel by anchorage by beginning stress；
(7) jet expansion concrete；
(8) second of electrified regulation, electrified regulation 5min are carried out after gunite concrete 45min；
(9) third time electrified regulation is carried out after 12 hours of gunite concrete, electrified regulation 10min will be answered in advance by anchorage
Power reinforcing bar is fixed on angle steel；
(10) steel batten plate and U-shaped built-in fitting are welded, fusion length is greater than 80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710537097.3A CN107191004B (en) | 2016-03-10 | 2016-03-10 | Brick column reinforced construction method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181674.5A CN105696805B (en) | 2016-03-10 | 2016-03-10 | Brick column reinforcing method |
| CN201710537097.3A CN107191004B (en) | 2016-03-10 | 2016-03-10 | Brick column reinforced construction method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610181674.5A Division CN105696805B (en) | 2016-03-10 | 2016-03-10 | Brick column reinforcing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107191004A CN107191004A (en) | 2017-09-22 |
| CN107191004B true CN107191004B (en) | 2019-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710537097.3A Active CN107191004B (en) | 2016-03-10 | 2016-03-10 | Brick column reinforced construction method |
| CN201610181674.5A Active CN105696805B (en) | 2016-03-10 | 2016-03-10 | Brick column reinforcing method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610181674.5A Active CN105696805B (en) | 2016-03-10 | 2016-03-10 | Brick column reinforcing method |
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| CN (2) | CN107191004B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836604B (en) * | 2017-02-07 | 2022-08-12 | 叶长青 | Method for manufacturing large-span inclined roof |
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|---|---|---|---|---|
| CN1401873A (en) * | 2002-09-05 | 2003-03-12 | 杜旌 | Method for pre-stressed reinforcing concrete compression member |
| CN101832035A (en) * | 2010-05-15 | 2010-09-15 | 朱虹 | Construction method for reinforced concrete column |
| CN202925924U (en) * | 2012-11-04 | 2013-05-08 | 西安建筑科技大学 | Combination reinforcing device for brick pillar |
| CN103306492A (en) * | 2013-05-29 | 2013-09-18 | 朱奎 | Method for reinforcing concrete weak beam |
| CN103388408A (en) * | 2013-07-28 | 2013-11-13 | 桂林理工大学 | External pre-stressed tendon reinforcing steering block for building structure |
| EA020664B1 (en) * | 2010-08-16 | 2014-12-30 | Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Сибирский Федеральный Университет" | Device for reinforcing bearing frame |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3050108B2 (en) * | 1995-12-01 | 2000-06-12 | 鹿島建設株式会社 | Column reinforcement method |
| CN201531124U (en) * | 2009-09-24 | 2010-07-21 | 马人乐 | Graded external pre-stress strengthening masonry structure |
| CN102080454B (en) * | 2010-12-02 | 2012-05-30 | 西安建筑科技大学 | Method for reinforcing pillars in buildings |
| CN202925926U (en) * | 2012-11-04 | 2013-05-08 | 西安建筑科技大学 | Reinforcing device for brick pillar |
| JP5411367B1 (en) * | 2013-01-17 | 2014-02-12 | 株式会社サンヨーホーム | Concrete column reinforcement structure |
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2016
- 2016-03-10 CN CN201710537097.3A patent/CN107191004B/en active Active
- 2016-03-10 CN CN201610181674.5A patent/CN105696805B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401873A (en) * | 2002-09-05 | 2003-03-12 | 杜旌 | Method for pre-stressed reinforcing concrete compression member |
| CN101832035A (en) * | 2010-05-15 | 2010-09-15 | 朱虹 | Construction method for reinforced concrete column |
| EA020664B1 (en) * | 2010-08-16 | 2014-12-30 | Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Сибирский Федеральный Университет" | Device for reinforcing bearing frame |
| CN202925924U (en) * | 2012-11-04 | 2013-05-08 | 西安建筑科技大学 | Combination reinforcing device for brick pillar |
| CN103306492A (en) * | 2013-05-29 | 2013-09-18 | 朱奎 | Method for reinforcing concrete weak beam |
| CN103388408A (en) * | 2013-07-28 | 2013-11-13 | 桂林理工大学 | External pre-stressed tendon reinforcing steering block for building structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107191004A (en) | 2017-09-22 |
| CN105696805B (en) | 2017-11-28 |
| CN105696805A (en) | 2016-06-22 |
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Effective date of registration: 20201125 Address after: No. 100, North Ring Road, Hede Town, Sheyang County, Yancheng City, Jiangsu Province Patentee after: Gu Yaobin Address before: 325000, No. 48, Jingshan Hill Road, Ouhai District, Wenzhou, Zhejiang Patentee before: Ye Changqing |
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Effective date of registration: 20230110 Address after: West side of Jinhai Avenue, south side of Dianchang Road, Sheyang Port Economic Zone, Sheyang County, Yancheng City, Jiangsu Province, 224300 Patentee after: Jiangsu Hengyiming New Material Technology Co.,Ltd. Address before: No. 100, North Ring Road, Hede Town, Sheyang County, Yancheng City, Jiangsu Province Patentee before: Gu Yaobin |
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