CN106150118A - A kind of old body of wall underpinning construction method and beam slab transformation load-carrying members thereof - Google Patents
A kind of old body of wall underpinning construction method and beam slab transformation load-carrying members thereof Download PDFInfo
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- CN106150118A CN106150118A CN201510199215.5A CN201510199215A CN106150118A CN 106150118 A CN106150118 A CN 106150118A CN 201510199215 A CN201510199215 A CN 201510199215A CN 106150118 A CN106150118 A CN 106150118A
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 230000009466 transformation Effects 0.000 title claims abstract description 17
- 238000009424 underpinning Methods 0.000 title claims abstract description 15
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 230000008859 change Effects 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000004567 concrete Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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Abstract
nullThe invention discloses a kind of old body of wall underpinning construction method and beam slab transformation load-carrying members thereof，First on the old body of wall of required dismounting, it is intended to first offer bolt hole，And this prepared screw-bolt hole is arranged along the structural beams both sides below structural slab，Then support means is installed along structural beams both sides，And in support means, it is provided with batten plate，Hereafter the old body of wall below support means is removed，But it is not required to remove at the old body of wall in two ends coupling part with support means，So can disposably remove the old body of wall below beam slab load bearing system，Can ensure that wall body vertical degree is without exception by the stable frame structure that the old body of wall of part and support means are formed again，And free from flaw produces，To reach to change the purpose of body of wall under beam，Needed for the present invention, apparatus structure is simple，It is easy to site operation and tear tower open，And short construction period，It is convenient to install，And then transform beams depth of section can be reduced in construction，Thus transformation is greatly improved and underpins use space，Reduce cost，Wall body slit reduces.
Description
Technical field
Patent of the present invention relates to a kind of old body of wall underpinning construction method and beam slab transformation load-carrying members thereof, belongs to technical field of building construction.
Background technology
At present, development with city, some old towns become central business district gradually, and the building of these old towns is mostly historical building or commemorative architecture, build of the remote past, structural shape mostly is brick mix structure or post and panel structure, and the house standard width of a room in an old-style house and depth are all less, it tends to be difficult to meet the requirement to space for the modern commerce operation.These buildings often need to extract partial weight-bearing body of wall carry out spatial spread because functions changes, in order to meet safe handling after taking out wall for the structure, the method generally using design armored concrete transform beams at the bottom of bottom collar tie beam or plate carries out transforming underpinning beam, and this design and construction method needs each staged construction step must strict unified time, and before extremely easily occurring that concrete transform beams pours, wall body vertical degree and flaw level are abnormal for occurring, and after concreting, but there is the situation beyond specification limit in wall, transform beams structure member crevices and amount of deflection.This is to be primarily due to, concrete transform beams is when being configured and pour, owing to non-homogeneity and the intensity of concrete material do not completely arrive at design strength, so causing easily causing wall crazing when upper wall body load is transferred to transform beams, beam deflection is excessive, causing underpining program to delay, severe patient causes interruption or the failure that wall reconstruction constructs, so existing construction method and structure are still perfect not.
Content of the invention
It is an object of the invention to: provide a kind of simple in construction, install fast, reduce cost, safe and reliable, and can have and solve one old body of wall underpinning construction method and the beam slab transformation load-carrying members thereof that current body of wall underpinning construction process is slow and body of wall easily ftractures, to overcome prior art not enough.
The present invention is achieved in that a kind of old body of wall underpinning construction method, first on the old body of wall of required dismounting, it is intended to first offer bolt hole, and this prepared screw-bolt hole is arranged along the structural beams both sides below structural slab, then support means is installed along structural beams both sides, and fasten with bolt, it is connected fixing with employing structure glue at the bottom of structural slab above support means, and in support means, it is provided with batten plate, hereafter the old body of wall below support means is removed, but it is not required to remove at the old body of wall in two ends coupling part with support means, so can disposably remove the old body of wall below beam slab load bearing system, can ensure that wall body vertical degree is without exception by the stable frame structure that the old body of wall of part and support means are formed again, and free from flaw produces, to reach to change the purpose of body of wall under beam.
Described support means cross section is rectangle.
The width of the old body of wall of described part is 200mm～400mm.
A kind of beam slab transformation load-carrying members, including structural slab, structural beams and old body of wall, lower section at structural slab the both sides in structural beams are provided with support means, and the two ends of support means are connected with old body of wall, are provided with supporting arrangement connecting plate between support means and old body of wall.
Structural beams is provided with bolt hole, in bolt hole, is provided with perforated bolt support means being connected with structural beams.
The cross section of described support means is rectangle, and the both sides of support means are provided with batten plate.
The spacing between two batten plates adjacent in support means is 300～400mm.
The width of described old body of wall is 200mm～400mm.
Owing to have employed technique scheme, compared with prior art, wall segment is carried out removing transformation by the present invention between floors, and support means is directly installed on structural beams both sides under structural slab, then the old body of wall of overall pulling down, finally when building body of wall with support means as being integrally formed new body of wall；Needed for the present invention, apparatus structure is simple, it is easy to site operation and tear tower open, and short construction period, it is convenient to install, and then transform beams depth of section can be reduced in construction, thus transformation is greatly improved and underpins use space, reduce cost, making that underpinning construction process is simple, power transmission clearly fully makes beam deflection reduce, wall body slit reduces.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the attachment structure schematic diagram of support means and old body of wall；
Description of reference numerals: 1-structural slab, 2-support means, the old body of wall of 3-, 4-supporting arrangement connecting plate, 6-structural beams, 7-perforated bolt, 8-batten plate.
Detailed description of the invention
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings, but not as limitation of the present invention.
Embodiments of the invention: a kind of old body of wall underpinning construction method, first on the old body of wall of required dismounting, it is intended to first offer bolt hole, and this prepared screw-bolt hole is arranged along the structural beams both sides below structural slab, then support means is installed along structural beams both sides, and fasten with bolt, it is connected fixing with employing structure glue at the bottom of structural slab above support means, and in support means, it is provided with batten plate, hereafter the old body of wall below support means is removed, but it is not required to remove at the old body of wall in two ends coupling part with support means, so can disposably remove the old body of wall below beam slab load bearing system, can ensure that wall body vertical degree is without exception by the stable frame structure that the old body of wall of part and support means are formed again, and free from flaw produces, to reach to change the purpose of body of wall under beam.
Described support means cross section is rectangle.
The width of the old body of wall of described part is 200mm～400mm.
A kind of beam slab transformation load-carrying members, including structural slab the 1st, structural beams 6 and old body of wall 3, in the lower section of structural slab 1 and be provided with support means 2 in the both sides of structural beams 6, the two ends of support means 2 are connected with old body of wall 3, are provided with supporting arrangement connecting plate 4 between support means 2 and old body of wall 3.
Structural beams 6 is provided with bolt hole, in bolt hole, is provided with the perforated bolt 7 support means 2 being connected with structural beams 6.
The cross section of described support means 2 is rectangle, and the both sides of support means 2 are provided with batten plate 5.
The spacing between two batten plates 5 adjacent in support means 2 is 300～400mm.
Described but the old body of wall in two ends coupling part with support means be not required to remove, the width of old body of wall 3 is 200mm～400mm.
The cross section of described support means 2 is rectangle, it is made by U-steel, after the U-steel prepared screw-bolt hole of both sides, carry out support arrangement along structural beams 6 both sides, plate lower part body of wall and beam can be made after installing to form new beam slab underpinning structure, owing to the feature of steel is that intensity is high, poor stability, and the feature contrast of masonry structure, its intensity is relatively low, cross section is often bigger, by this programme technology, steel and building material form steel masonry compound section, the respective advantage of bi-material can be given full play to, substantially increase strength and stability, and it is arranged on support means two ends by batten plate, facilitate the connection of support means and old body of wall and structural beams, add mutual stability.
Wall segment is carried out removing transformation by the present invention between floors, and support means is directly installed on structural beams both sides under structural slab, the then old body of wall of overall pulling down, finally when building body of wall with support means as being integrally formed new body of wall；Needed for the present invention, apparatus structure is simple, it is easy to site operation and tear tower open, and short construction period, it is convenient to install, and then transform beams depth of section can be reduced in construction, thus transformation is greatly improved and underpins use space, reduce cost, making that underpinning construction process is simple, power transmission clearly fully makes beam deflection reduce, wall body slit reduces.
Claims (8)
1. an old body of wall underpinning construction method, it is characterized in that: on the old body of wall of required dismounting, first be intended to first offer bolt hole, and this prepared screw-bolt hole is arranged along the structural beams both sides below structural slab, then support means is installed along structural beams both sides, and fasten with bolt, it is connected fixing with employing structure glue at the bottom of structural slab above support means, and in support means, it is provided with batten plate, hereafter the old body of wall below support means is removed, but it is not required to remove at the old body of wall in two ends coupling part with support means, so can disposably remove the old body of wall below beam slab load bearing system, can ensure that wall body vertical degree is without exception by the stable frame structure that the old body of wall of part and support means are formed again, and free from flaw produces, to reach to change the purpose of body of wall under beam.
2. old body of wall underpinning construction method according to claim 1, it is characterised in that: described support means cross section is rectangle.
3. old body of wall underpinning construction method according to claim 1, it is characterised in that: the width of the old body of wall of described part is 200mm～400mm.
4. beam slab transformation load-carrying members, including structural slab (1), structural beams (6) and old body of wall (3), it is characterized in that: be provided with support means (2) in the lower section of structural slab (1) and in the both sides of structural beams (6), the two ends of support means (2) are connected with old body of wall (3), are provided with supporting arrangement connecting plate (4) between support means (2) and old body of wall (3).
5. beam slab according to claim 4 transformation load-carrying members, it is characterised in that: it in structural beams (6), is provided with bolt hole, in bolt hole, be provided with the perforated bolt (7) support means (2) being connected with structural beams (6).
6. beam slab according to claim 4 transformation load-carrying members, it is characterised in that: the cross section of described support means (2) is rectangle, and the both sides of support means (2) are provided with batten plate (5).
7. beam slab according to claim 6 transformation load-carrying members, it is characterised in that: the spacing between upper two the adjacent batten plates (5) of support means (2) is 300～400mm.
8. beam slab according to claim 4 transformation load-carrying members, it is characterised in that: the width of described old body of wall (3) is 200mm～400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510199215.5A CN106150118A (en) | 2015-04-24 | 2015-04-24 | A kind of old body of wall underpinning construction method and beam slab transformation load-carrying members thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510199215.5A CN106150118A (en) | 2015-04-24 | 2015-04-24 | A kind of old body of wall underpinning construction method and beam slab transformation load-carrying members thereof |
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| CN106150118A true CN106150118A (en) | 2016-11-23 |
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| CN201510199215.5A Pending CN106150118A (en) | 2015-04-24 | 2015-04-24 | A kind of old body of wall underpinning construction method and beam slab transformation load-carrying members thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5174085A (en) * | 1988-12-13 | 1992-12-29 | Chinese Building Technology Services Corp. Ltd. | Method of adding additional stories to an existing storied building |
| US6062770A (en) * | 1995-08-17 | 2000-05-16 | Beck; Roland | Method for underpinning buildings |
| CN203547161U (en) * | 2013-05-17 | 2014-04-16 | 西安科技大学 | Self-bearing type underpinning supporting device |
| CN203755715U (en) * | 2014-03-28 | 2014-08-06 | 贵州中建建筑科研设计院有限公司 | Wall underpinning structure |
| CN104032973A (en) * | 2014-03-28 | 2014-09-10 | 贵州中建建筑科研设计院有限公司 | Wall underpinning technology and structure |
| CN104088473A (en) * | 2014-07-17 | 2014-10-08 | 湖南大兴加固改造工程有限公司 | Construction structure and method used for underpinning load-bearing wall |
| CN204571349U (en) * | 2015-04-24 | 2015-08-19 | 贵州中建建筑科研设计院有限公司 | A kind of beam slab transformation load-carrying members |
-
2015
- 2015-04-24 CN CN201510199215.5A patent/CN106150118A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5174085A (en) * | 1988-12-13 | 1992-12-29 | Chinese Building Technology Services Corp. Ltd. | Method of adding additional stories to an existing storied building |
| US6062770A (en) * | 1995-08-17 | 2000-05-16 | Beck; Roland | Method for underpinning buildings |
| CN203547161U (en) * | 2013-05-17 | 2014-04-16 | 西安科技大学 | Self-bearing type underpinning supporting device |
| CN203755715U (en) * | 2014-03-28 | 2014-08-06 | 贵州中建建筑科研设计院有限公司 | Wall underpinning structure |
| CN104032973A (en) * | 2014-03-28 | 2014-09-10 | 贵州中建建筑科研设计院有限公司 | Wall underpinning technology and structure |
| CN104088473A (en) * | 2014-07-17 | 2014-10-08 | 湖南大兴加固改造工程有限公司 | Construction structure and method used for underpinning load-bearing wall |
| CN204571349U (en) * | 2015-04-24 | 2015-08-19 | 贵州中建建筑科研设计院有限公司 | A kind of beam slab transformation load-carrying members |
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