CN110067401A - A kind of existing masonry structure is reinforced using prefabricated board wall and its construction method - Google Patents
A kind of existing masonry structure is reinforced using prefabricated board wall and its construction method Download PDFInfo
- Publication number
- CN110067401A CN110067401A CN201910231001.XA CN201910231001A CN110067401A CN 110067401 A CN110067401 A CN 110067401A CN 201910231001 A CN201910231001 A CN 201910231001A CN 110067401 A CN110067401 A CN 110067401A
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- China
- Prior art keywords
- prefabricated board
- reinforcing bar
- board wall
- newly
- assembled
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- 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.)
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Classifications
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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
-
- 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
Abstract
The present invention relates to a kind of existing masonry structures to be reinforced using prefabricated board wall, including former constructional column, former collar tie beam, former masonry wall.Between the prefabricated board wall of the newly-increased assembled and former masonry wall using gravity mortar and across bolt hole bolt connection；The prefabricated board wall single side of newly-increased assembled configures two-way reinforcement, and the vertical reinforcement in two-way reinforcement is arranged in the outside of horizontal reinforcement；The prefabricated board wall of newly-increased assembled is provided in plate surrounding throws away reinforcing bar；Beam side of the prefabricated board wall of newly-increased assembled at former collar tie beam throws away reinforcing bar using connection reinforcement welding, and has poured concrete；The connection reinforcing bar passes through floor, and is fixed with structure glue.The most significant advantage of the present invention is construction is simple, and wet construction is few, and force path is clear, and connection is reliable, can share top vertical load on prefabricated panel, also advantageous to earthquake-resistant structure.
Description
Technical field
The present invention relates to a kind of existing masonry structures using the reinforcing of prefabricated board wall and its construction method, belongs to existing
Hollow Block Masonry Structure Anti-seismic reinforcement technique field.
Background technique
Currently, existing masonry structure is built that generally existing Aseismic Design is unreasonable, construction quality is poor, anti-seismic performance is weak etc. and is lacked
It falls into, therefore large area is collapsed or damaged in earthquake in recent years.In order to guarantee these buildings using safe, be badly in need of to existing
Masonry structure building carries out seismic hardening.With the research and development of reinforcement technique, a variety of reinforcement means have been applied in reality
In engineering, such as cast-in-place board wall method for strengthening, CFRP Sheet Strengthening Method, glass fibre method for strengthening, but these reinforcement means have it is certain
Limitation, wet construction is more, long construction period, influences the use of resident.
Summary of the invention
Based on the above issues, in order to reduce the construction period, influence of the construction to resident is reduced, the invention proposes one kind both
There is masonry structure using the reinforcing of prefabricated board wall and its construction method.Primarily to it is uneasy to solve existing masonry structure
Entirely, traditional reinforcement means long construction period is influenced resident's use, needs to be reinforced the skill of original structure using prefabricated board wall
Art problem.
Technical scheme is as follows:
A kind of existing masonry structure is reinforced using prefabricated board wall, including former constructional column, former collar tie beam, former masonry wall,
It further include the prefabricated board wall of newly-increased assembled, the bolt hole on former masonry wall, wherein the newly-increased prefabricated board wall of assembled and former block
Between body wall using gravity mortar with the bolt across bolt hole connects；The prefabricated board wall single side configuration of newly-increased assembled is two-way
Arrangement of reinforcement, and the vertical reinforcement in two-way reinforcement is arranged in the outside of horizontal reinforcement；The prefabricated board wall of newly-increased assembled is in plate four
It is provided in week and throws away reinforcing bar；Beam side of the prefabricated board wall of newly-increased assembled at former collar tie beam throws away reinforcing bar using connection reinforcing bar
Welding, and poured concrete；The connection reinforcing bar passes through floor, and is fixed with structure glue；The newly-increased assembled prefabricated board
Wall throws away bar splicing welding using elongated reinforcing bar and beam side at the top of floor；The elongated reinforcing bar passes through former collar tie beam, and with tying
Structure glue is fixed；The prefabricated board wall of newly-increased assembled is reserved with horse tooth trough at former constructional column；The newly-increased assembled prefabricated board
Column side of the wall at former constructional column throws away bar splicing welding, and newly-increased at the prefabricated board wall docking of newly-increased assembled has construction
Column.
Further, the gap 25mm is stayed between the prefabricated board wall of the newly-increased assembled and former masonry wall, and is used and quickly filled out
The gravity mortar cementation of fissures is filled, i.e. gravity mortar is with a thickness of 25mm.
Further, the newly-increased assembled prefabricated board wall thickness 120mm, using C35 concreting, single-layer bidirectional is matchedReinforcing bar.
Further, the concrete is poured using C35 slightly expanded concrete.
Further, the horse tooth trough is retracted one section of wall every 300mm, advanced retrogressing.
Further, the weld length that the beam throws away reinforcing bar when throwing away reinforcing bar and column is not less than 100mm.
Further, the constructional column is equipped with column angle steel muscle and stirrup.
Further, the column angle steel muscle isReinforcing bar, stirrup are
Further, the hole on the bolt periphery is tamped using grout material.
Above-mentioned existing masonry structure is reinforced using prefabricated board wall and its construction method, using following steps:
Step 1: cutting the surface layer of original structure, carries out bolt hole positioning according to design document and drills；
Step 2: removing dust in bolt hole, guarantees clean free from admixture in bolt hole, the prefabricated board wall of newly-increased assembled is determined
It is in place behind position, it is ensured that the newly-increased prefabricated board wall slope of assembled and position deviation are in allowed band；
Step 3: insertion bolt, the hole on bolt periphery are tamped with grout material, increase the prefabricated board wall of assembled and former masonry newly
The Fast Filling gravity mortar cementation of fissures is used between wall, tightens nut, is guaranteed between the newly-increased prefabricated board wall of assembled and former masonry wall
Be reliably connected；
Step 4: the column side of the prefabricated board wall of newly-increased assembled is thrown away reinforcement welding together by binding constructional column reinforcing bar, complete
Finish the concrete of after-pouring constructional column, the demoulding after concrete reaches design strength；
Step 5: according to the positions and dimensions of connection reinforcing bar, corresponding position drills on floor, dust in cleaning hole, implantation
Connection reinforcing bar simultaneously fixed with structure glue, will connection reinforcing bar and beam side throw away reinforcement welding, after casting concrete, to concrete
Reach demoulding after design strength；
Step 6: the former collar tie beam corresponding position drilling at the top of floor is implanted into elongated reinforcing bar after removing dust, uses structure glue
It is fixed, the both sides of elongated reinforcing bar are thrown away into reinforcement welding with beam side respectively, after casting concrete, reach design to concrete
Demoulding after intensity.
The utility model has the advantages that
The most significant advantage of the present invention is that existing masonry structure is reinforced using prefabricated board wall to the daily life of resident
Influence living is smaller, and construction is simple, wet construction is few, and force path is clear, and connection is reliable, can share top vertical load pre-
Also advantageous to earthquake-resistant structure on wallboard processed, this method is safe and reliable.
Detailed description of the invention
Fig. 1 is existing masonry structure of the present invention using prefabricated board wall reinforcing schematic diagram；
Fig. 2 is existing masonry structure using prefabricated board wall reinforcing elevational schematic view；
Fig. 3 is the A-A sectional view of Fig. 2；
Fig. 4 is the newly-increased prefabricated board wall reinforcement location schematic diagram of assembled.
In figure, 1: former constructional column；2: former collar tie beam；3: bolt hole；4: former masonry wall；5: the newly-increased prefabricated board wall of assembled；6:
Bolt；7: grout material；8: beam side throws away reinforcing bar；9: connection reinforcing bar；10: concrete；11: gravity mortar；12: elongated reinforcing bar；13:
Constructional column；14: column angle steel muscle；15: column side throws away reinforcing bar；16: stirrup；17: vertical reinforcement；18: horizontal reinforcement；19: horse tooth trough.
Specific embodiment
A kind of existing masonry structure of the invention is reinforced using prefabricated board wall and its construction method, referring to Fig. 1 to 4
It is shown, including former constructional column 1, former collar tie beam 2, former masonry wall 4, further include on former masonry wall 4 the prefabricated board wall 5 of newly-increased assembled,
Bolt hole 3；Wherein, using gravity mortar 11 and across bolt hole between the prefabricated board wall 5 of the newly-increased assembled and former masonry wall 4
3 bolt 6 connects；Prefabricated 5 single side of board wall of newly-increased assembled configures two-way reinforcement, and the vertical reinforcement 17 in two-way reinforcement
It is arranged in the outside of horizontal reinforcement 18；The prefabricated board wall 5 of newly-increased assembled is provided in plate surrounding throws away reinforcing bar；It is described new
Increase beam side of the prefabricated board wall 5 of assembled at former collar tie beam 2 and throw away reinforcing bar 8 using the connection welding of reinforcing bar 9, and pours concrete
10；The connection reinforcing bar 9 passes through floor, and is fixed with structure glue；The prefabricated board wall 5 of newly-increased assembled uses at the top of floor
Elongated reinforcing bar 12 throws away 8 overlap joint welding of reinforcing bar with beam side；The elongated reinforcing bar 12 passes through former collar tie beam 2, and is fixed with structure glue；Institute
It states the prefabricated board wall 5 of newly-increased assembled and is reserved with horse tooth trough 19 at former constructional column 1；The prefabricated board wall of the newly-increased assembled 5 is in original
Column side at constructional column 1 throws away 15 overlap joint welding of reinforcing bar, and at prefabricated 5 docking of board wall of newly-increased assembled increase newly have constructional column
13。
Further, the gap 25mm is stayed between the prefabricated board wall 5 of the newly-increased assembled and former masonry wall 4, and using quick
11 cementation of fissures of gravity mortar is filled, i.e., gravity mortar 11 is with a thickness of 25mm.
Further, the prefabricated 5 thickness 120mm of board wall of the newly-increased assembled, using C35 concreting, single-layer bidirectional is matchedReinforcing bar.
Further, the concrete is poured using C35 slightly expanded concrete.
Further, the horse tooth trough 19 is retracted one section of wall every 300mm, advanced retrogressing.
Further, the weld length that the beam throws away reinforcing bar 15 when throwing away reinforcing bar 8 and column is not less than 100mm.
Further, the constructional column 13 is equipped with column angle steel muscle 14 and stirrup 16.
Further, the column angle steel muscle 14 isReinforcing bar, stirrup 16 are
Further, the hole on 6 periphery of bolt is tamped using grout material 7.
Above-mentioned existing masonry structure is reinforced using prefabricated board wall and its construction method, using following steps:
Step 1: cutting the surface layer of original structure, carries out the positioning of bolt hole 3 according to design document and drills；
Step 2: removing dust in bolt hole 3, guarantees clean free from admixture in bolt hole 3, by the prefabricated board wall of newly-increased assembled
It is in place after 5 positioning, it is ensured that newly-increased prefabricated 5 slope of board wall of assembled and position deviation are in allowed band；
Step 3: insertion bolt 6, the hole grout material 7 on 6 periphery of bolt tamp, and increase the prefabricated board wall 5 of assembled and original newly
11 cementation of fissures of Fast Filling gravity mortar is used between masonry wall 4, tightens nut, guarantees that the prefabricated board wall 5 of newly-increased assembled is built with former
Being reliably connected between body wall 4；
Step 4: the column side of the prefabricated board wall 5 of newly-increased assembled is thrown away reinforcing bar 15 and is welded on one by binding 13 reinforcing bar of constructional column
It rises, finishes the concrete 10 of after-pouring constructional column 13, the demoulding after concrete 10 reaches design strength；
Step 5: according to the positions and dimensions of connection reinforcing bar 9, corresponding position drills on floor, and dust in cleaning hole is planted
Enter to connect reinforcing bar 9 and fixed with structure glue, connection reinforcing bar 9 is thrown away reinforcing bar 8 with beam side and welds, after casting concrete 10,
The demoulding after concrete 10 reaches design strength；
Step 6: 2 corresponding position of the former collar tie beam drilling at the top of floor is implanted into elongated reinforcing bar 12 after removing dust, with knot
Structure glue is fixed, and the both sides of elongated reinforcing bar 12 are thrown away reinforcing bar 8 with beam side respectively and are welded, after casting concrete 10, to coagulation
Soil 10 reaches demoulding after design strength.
It is a kind of exemplary embodiment of the invention above, specific implementation of the invention is without being limited thereto.
Claims (8)
1. a kind of existing masonry structure is reinforced using prefabricated board wall and its construction method, including former constructional column (1), former circle
Beam (2), former masonry wall (4), it is characterised in that: using weight between the newly-increased prefabricated board wall of assembled (5) and former masonry wall (4)
Power mortar (11) and the bolt (6) for passing through bolt hole (3) connect；The prefabricated board wall of newly-increased assembled (5) the single side configuration is two-way
Arrangement of reinforcement, and the vertical reinforcement (17) in two-way reinforcement is arranged in the outside of horizontal reinforcement (18)；The newly-increased assembled prefabricated board
Wall (5) is provided in plate surrounding throws away reinforcing bar；It gets rid of on beam side of the prefabricated board wall of newly-increased assembled (5) at former collar tie beam (2)
Reinforcing bar (8) is using connection reinforcing bar (9) welding out, and has poured concrete (10)；The connection reinforcing bar (9) passes through floor, is used in combination
Structure glue is fixed；The prefabricated board wall of newly-increased assembled (5) throws away reinforcing bar using elongated reinforcing bar (12) and beam side at the top of floor
(8) overlap joint welding；The elongated reinforcing bar (12) passes through former collar tie beam (2), and is fixed with structure glue；The newly-increased assembled prefabricated board
Wall (5) is reserved with horse tooth trough (19) at former constructional column (1)；The prefabricated board wall of newly-increased assembled (5) is at former constructional column (1)
Column side throw away reinforcing bar (15) overlap joint welding, and at the newly-increased prefabricated board wall of assembled (5) docking increase newly have constructional column (13).
2. a kind of existing masonry structure according to claim 1 is reinforced using prefabricated board wall and its construction method,
It is characterized by: staying the gap 25mm between the prefabricated board wall of newly-increased assembled (5) and former masonry wall (4), and using quick
Gravity mortar (11) cementation of fissures is filled, i.e., gravity mortar (11) is with a thickness of 25mm.
3. a kind of existing masonry structure according to claim 1 is reinforced using prefabricated board wall and its construction method,
It is characterized by: the prefabricated board wall of newly-increased assembled (5) the thickness 120mm, using C35 concreting, single-layer bidirectional is matchedReinforcing bar.
4. a kind of existing masonry structure according to claim 1 is reinforced using prefabricated board wall and its construction method,
It is characterized by: the horse tooth trough (19) is retracted one section of wall every 300mm, advanced retrogressing.
5. a kind of existing masonry structure according to claim 1 is reinforced using prefabricated board wall and its construction method,
It is characterized by: the weld length that the beam throws away reinforcing bar (15) when throwing away reinforcing bar (8) and column is not less than 100mm.
6. a kind of existing masonry structure according to claim 1 is reinforced using prefabricated board wall and its construction method,
It is characterized by: the constructional column (13) is equipped with column angle steel muscle (14) and stirrup (16).
7. a kind of existing masonry structure according to claim 1 is reinforced using prefabricated board wall and its construction method,
It is characterized by: the column angle steel muscle (14) isReinforcing bar, stirrup (16) are
8. a kind of existing masonry structure described in -7 is reinforced and its construction party using prefabricated board wall according to claim 1
Method, it is characterised in that: comprise the following specific steps that:
Step 1: cutting the surface layer of original structure, carries out bolt hole (3) positioning according to design document and drills；
Step 2: removing bolt hole (3) interior dust, guarantees clean free from admixture in bolt hole (3), by the prefabricated board wall of newly-increased assembled
(5) in place after positioning, it is ensured that the newly-increased prefabricated board wall of assembled (5) slope and position deviation are in allowed band；
Step 3: insertion bolt (6), the hole on bolt (6) periphery are tamped with grout material (7), increase the prefabricated board wall of assembled (5) newly
Fast Filling gravity mortar (11) cementation of fissures is used between former masonry wall (4), tightens nut, guarantees the newly-increased prefabricated board wall of assembled
(5) being reliably connected between former masonry wall (4)；
Step 4: the column side of the prefabricated board wall of newly-increased assembled (5) is thrown away reinforcing bar (15) and is welded on by binding constructional column (13) reinforcing bar
Together, the concrete (10) for finishing after-pouring constructional column (13), the demoulding after concrete (10) reaches design strength；
Step 5: according to the positions and dimensions of connection reinforcing bar (9), corresponding position drills on floor, dust in cleaning hole, implantation
Connection reinforcing bar (9) simultaneously fixed with structure glue, will connection reinforcing bar (9) and beam side throw away reinforcing bar (8) welding, after casting concrete
(10), the demoulding after concrete (10) reaches design strength；
Step 6: former collar tie beam (2) the corresponding position drilling at the top of floor is implanted into elongated reinforcing bar (12) after removing dust, with knot
Structure glue is fixed, the both sides of elongated reinforcing bar (12) are thrown away with beam side respectively reinforcing bar (8) welding, after casting concrete (10),
The demoulding after concrete (10) reaches design strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910231001.XA CN110067401A (en) | 2019-03-25 | 2019-03-25 | A kind of existing masonry structure is reinforced using prefabricated board wall and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910231001.XA CN110067401A (en) | 2019-03-25 | 2019-03-25 | A kind of existing masonry structure is reinforced using prefabricated board wall and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110067401A true CN110067401A (en) | 2019-07-30 |
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| CN201910231001.XA Withdrawn CN110067401A (en) | 2019-03-25 | 2019-03-25 | A kind of existing masonry structure is reinforced using prefabricated board wall and its construction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111441604A (en) * | 2020-04-11 | 2020-07-24 | 河北天昊建筑设计有限公司 | Old house wall body reinforcing device and construction process thereof |
| CN113982304A (en) * | 2021-10-26 | 2022-01-28 | 陕西省建筑科学研究院有限公司 | Method for reinforcing existing masonry wall by adopting concrete prefabricated splicing assembly mode |
| CN114517595A (en) * | 2022-03-10 | 2022-05-20 | 山东省建筑科学研究院有限公司 | Assembly type reinforced existing masonry structure system and construction method thereof |
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| JP2005330758A (en) * | 2004-05-21 | 2005-12-02 | Yasutoshi Yamamoto | Additional reinforced wall method and additional reinforced wall structure of existing concrete wall |
| CN103758362A (en) * | 2014-01-06 | 2014-04-30 | 北京筑福国际工程技术有限责任公司 | Earthquake resistant reinforcing method of subsequently added ring beams, constructive columns and steel pulling rods in existing building |
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| CN205243063U (en) * | 2015-12-17 | 2016-05-18 | 北京筑福建筑事务有限责任公司 | Masonry structure is consolidated to prefabricated wallboard |
| CN105908864A (en) * | 2016-05-25 | 2016-08-31 | 杭州江润科技有限公司 | Interface crack preventing structure for filling brickwork and framework shear wall and construction method |
| CN205875457U (en) * | 2016-05-25 | 2017-01-11 | 杭州江润科技有限公司 | Fill brickwork and prevent interface crack structure with frame shear force wall |
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2019
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005330758A (en) * | 2004-05-21 | 2005-12-02 | Yasutoshi Yamamoto | Additional reinforced wall method and additional reinforced wall structure of existing concrete wall |
| CN103758362A (en) * | 2014-01-06 | 2014-04-30 | 北京筑福国际工程技术有限责任公司 | Earthquake resistant reinforcing method of subsequently added ring beams, constructive columns and steel pulling rods in existing building |
| CN105421810A (en) * | 2015-12-17 | 2016-03-23 | 北京筑福建筑事务有限责任公司 | Prefabricated panel reinforced masonry structure and construction method thereof |
| CN205243063U (en) * | 2015-12-17 | 2016-05-18 | 北京筑福建筑事务有限责任公司 | Masonry structure is consolidated to prefabricated wallboard |
| CN105908864A (en) * | 2016-05-25 | 2016-08-31 | 杭州江润科技有限公司 | Interface crack preventing structure for filling brickwork and framework shear wall and construction method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111441604A (en) * | 2020-04-11 | 2020-07-24 | 河北天昊建筑设计有限公司 | Old house wall body reinforcing device and construction process thereof |
| CN113982304A (en) * | 2021-10-26 | 2022-01-28 | 陕西省建筑科学研究院有限公司 | Method for reinforcing existing masonry wall by adopting concrete prefabricated splicing assembly mode |
| CN114517595A (en) * | 2022-03-10 | 2022-05-20 | 山东省建筑科学研究院有限公司 | Assembly type reinforced existing masonry structure system and construction method thereof |
| CN114517595B (en) * | 2022-03-10 | 2023-12-08 | 山东省建筑科学研究院有限公司 | Assembled reinforced existing masonry structure system and construction method thereof |
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Application publication date: 20190730 |