CN107965153A - The seismic hardening of dry rubble wall and reducing energy consumption integral method - Google Patents
The seismic hardening of dry rubble wall and reducing energy consumption integral method Download PDFInfo
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- CN107965153A CN107965153A CN201710837953.7A CN201710837953A CN107965153A CN 107965153 A CN107965153 A CN 107965153A CN 201710837953 A CN201710837953 A CN 201710837953A CN 107965153 A CN107965153 A CN 107965153A
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- wall
- dry rubble
- energy consumption
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- reducing energy
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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
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The present invention relates to a kind of dry rubble wall seismic hardening and reducing energy consumption integral method, to reperfusion structure glue between wall outer side stone gap, to " L " shape reinforcing bar is implanted into wall using structure glue on the inside of wall, then plug-in FRP tendons grid, finally smears the polymer mortar surface layer of 25mm to 30mm thickness.Method provided by the present invention can be effectively improved the problem of cohesive force between existing dry rubble wall stone is weak, strengthen the globality and leakproofness of existing dry rubble wall, and can significantly improve the anti-seismic performance and energy-efficient performance of existing dry rubble wall.
Description
Technical field
The present invention relates to wall seismic hardening and energy saving retrofit technology field, more particularly to dry rubble wall seismic hardening
With reducing energy consumption integral method.
Background technology
It is of low cost due to stone material abundance in mountain areas such as mountain areas in middle Shandong, Tibetan area, Da Bie Mountain area, Wuling mountain areas, stone
The performances such as material water resistance in itself, fire resistance protrude, therefore are widely used among building.Wherein, existing dry rubble
Building wall thing proportion is higher.Existing dry rubble wall outside generally use bulk woollen stone laid dry, indoor leads to
Frequently with fritter stone laid dry, due to lacking binding material, the globality and leakproofness of wall are poor, and antidetonation and energy-efficient performance are urgently
Need to improve.
Patent 201220634758.7 is related to a kind of " outer wall structure of building quake-resistant safety knot integrated with reducing energy consumption reinforcing
Structure ", by the energy-saving thermal insulation layer transformation layer be covered in building the newly generated cold-heat bridge position of original or seismic hardening and should
Position covers, and belongs to exterior insulation.This method is higher to surface of wall flatness requirement, commonly used in higher to power conservation requirement
Urban architecture；Due to existing dry rubble wall when building by laying bricks or stones without using cementitious materials such as mortars, outside surface of wall is also
Not applying mortar layer, cohesive force is weak between exposed stone and wall outer side insulating layer, easily causes energy-saving thermal insulation layer to come off, and leads
Wall entirety style and features heavy damage is caused, which is not suitable for the seismic hardening and reducing energy consumption of existing dry rubble wall.For
This, main object of the present invention using existing dry rubble wall indoor as transformation, i.e., using polymer mortar as plastering
Material, while three kinds of effects such as interior decoration, seismic hardening, reducing energy consumption are played, belong to exterior wall internal insulation, this kind of method is not only
Wall appearance is not destroyed, and weather resistance is significantly improved.
Patent 201410718582.7 is related to " a kind of barnacle wall reinforcement method ", which uses the plug-in method of screw rod through walls
Blue disk drawknot expanded metal lath chip assembly realizes the reinforcing to barnacle wall, though this method technique is relatively simple, avoids wall
The defects of body drilling hole amount is more, more effectively increase the shock resistance of stone-made house.But this method is needed in wall two
Side excavation pit, is reinforced by instruments such as screw rod, ring flange, the pre-buried hooking part of preparation, zinc-coated wires, but reinforcement
It is time-consuming and laborious, program is cumbersome, and after the completion of reinforcement the appearance of barnacle wall is influenced very big, destroy barnacle wall
Aesthetics.This patent breaks through above-mentioned thinking, and the energy-efficient performance of wall can also be improved while seismic hardening is met, and right
Wall appearance does not form destruction.
The content of the invention
It is an object of the invention to：On the premise of dry rubble wall entirety style and features is not changed, propose that one kind can be same
The integral method of the existing dry rubble wall anti-seismic performances of Shi Tigao and energy-efficient performance, and the method proposed is not only constructed work
Skill is simple, and improvement cost economy protrudes.
To achieve these goals, the technical solution adopted in the present invention is：
The seismic hardening of dry rubble wall and reducing energy consumption integral method, including wall body structure seismic hardening, wall is energy saving changes
Make, it is characterised in that：Filleting reinforcement technique is used to the outside wall of existing dry rubble wall, i.e., between stone gap
Reperfusion structure glue.To the indoor of existing dry rubble wall, " L " shape reinforcing bar is implanted into wall hole using structure glue,
Overhanging section of " L " shape reinforcing bar is hung and fixed FRP tendons grid, finally smears 25mm extremely in existing dry rubble wall indoor side surface
30mm thick polymer mortar surface layers.
The present invention is blown off the sandstone between stone gap with dust using air blower in dry rubble wall outside,
Then by between structure glue injection stone gap.
The present invention is blown off the sandstone between stone hole with dust with air blower, so in dry rubble wall indoor
Afterwards using structure glue by among " L " shape worm steel muscle implantation stone hole of diameter 8mm, all reinforcing bar implantation depths do not surpass
Cross thickness of wall body, no less than 15cm, overhanging segment length is no more than 10mm after reinforcing bar is implanted into wall.
The present invention is in the upper suspension of overhanging section of " L " shape reinforcing bar of dry rubble wall indoor implantation and fixed FRP tendons grid
Net, it is plug-in after distance of the FRP tendons grid away from indoor surface of wall be about 5mm.
The present invention exists：The polymer mortar surface layer of 25mm to 30mm thickness is smeared in dry rubble wall indoor side surface, it is described
Polymer mortar be made of polymer modifiers, cement and sandstone, the polymer modifiers using acrylate, poly- second
Any one in enol and cinnamic acrylic ester
Beneficial effects of the present invention and advantage is compared with prior art：
（1）The present invention is a kind of existing dry rubble wall seismic hardening of collection and the integrated method of reducing energy consumption.
（2）Method proposed by the invention does not change the appearance style and features of existing dry rubble wall, enhances wall
Globality and leakproofness, improve the seismic seeurity of wall and indoor livable property.
（3）Method proposed by the invention belongs to exterior wall internal insulation, and indoor plastering layer plays interior decoration at the same time, antidetonation adds
Gu, three kinds of effects such as reducing energy consumption.
（4）Reinforcing is carried out at the same time to wall indoor and outside, significantly increases reinforcement performance.
（5）FRP tendons grid high-strength light employed in the transformation process of wall indoor, good weatherability, with polymer
Mortar has good adhesive property.
（6）Construction method is simple and safe, good economy performance.
Brief description of the drawings
Fig. 1 is dry rubble wall seismic hardening of the present invention and reducing energy consumption effect diagram（Profile）；
Fig. 2 is side plan view outside dry rubble wall room of the present invention；
Fig. 3 is side plan view in dry rubble wall room of the present invention；
Fig. 4 is " L " shape bar planting part full-page proof of the present invention；
Fig. 5 is FRP tendons grid of the present invention.
Wherein 1 is the stone of dry rubble wall outside；2 be FRP tendons grid；3 be " L " shape bar planting part；4 be polymerization
Thing mortar surface layer；5 be dry rubble wall indoor stone；6 be dry rubble wall outside injecting glue point.
Embodiment
For the present invention is described in further detail, its embodiment is as follows：
Filleting reinforcement technique is used to the outside wall of dry rubble wall, i.e., the reperfusion structure glue 6 between 1 gap of stone,
To the indoor of dry rubble wall, " L " shape reinforcing bar 3 is implanted into wall hole using structure glue, it is overhanging in " L " shape reinforcing bar 3
Section is hung and fixed FRP tendons grid 2, finally smears 25mm to 30mm thick polymers in existing dry rubble wall indoor side surface
Mortar surface layer 4.
In dry rubble wall outside, the sandstone between 1 each gap of stone is blown off with dust using air blower, then
Structure glue 6 is injected between 1 each gap of stone.
In dry rubble wall indoor, the sandstone between 5 hole of stone is blown off with dust with air blower, is then used
For structure glue by among implantation 5 hole of stone of " L " shape worm steel muscle 3 of diameter 8mm, all reinforcing bar implantation depths are no more than wall
Body thickness, no less than 15cm, overhanging segment length is no more than 10mm after reinforcing bar implantation wall.
In dry rubble wall indoor, 3 overhanging sections of " L " the shape reinforcing bar of implantation is upper hangs and fixes FRP tendons grid 2, outside
Distance of the FRP tendons grid 2 away from indoor surface of wall after extension is about 5mm.
The polymer mortar surface layer 4 of 25mm to 30mm thickness is smeared in dry rubble wall indoor side surface.
Thermal conductivity factor before dry rubble wall reducing energy consumption and the thermal conductivity factor pair after dry rubble wall reducing energy consumption
Than being shown in Table 1.
The thermal conductivity factor table of comparisons before and after the existing dry rubble wall reducing energy consumption of table 1
| Existing dry rubble wall | Thermal conductivity factor W/ (mK) |
| Before reducing energy consumption | 2.94 |
| After reducing energy consumption | 0.61 |
Research shows that the front and rear shearing strength of dry rubble wall seismic hardening transformation and ductility factor contrast are shown in Table 2.
The performance table of comparisons before and after 2 dry rubble wall seismic hardening of table
| Existing dry rubble wall | The shearing strength of wallf（MPa） | Wall ductility coefficient |
| Before seismic hardening | 0.14 | 1.43 |
| After seismic hardening | 0.78 | 2.96 |
Claims (5)
1. the seismic hardening of dry rubble wall and reducing energy consumption integral method, including wall body structure seismic hardening, wall are energy saving
Transformation, it is characterised in that：Filleting reinforcement technique is used to the outside wall of dry rubble wall, i.e., is filled between stone gap
Structure glue is noted, to the indoor of dry rubble wall, " L " shape reinforcing bar is implanted into wall hole using structure glue, in " L " shape steel
Overhanging section of muscle is hung and fixed FRP tendons grid, finally smears the thick polymerizations of 25mm to 30mm in dry rubble wall indoor side surface
Thing mortar surface layer.
2. dry rubble wall seismic hardening according to claim 1 and reducing energy consumption integral method, it is characterised in that：
In dry rubble wall outside, the sandstone between stone gap is blown off with dust using air blower, then notes structure glue
Between entering stone gap, the structure glue is epoxy resin AB glue.
3. dry rubble wall seismic hardening according to claim 1 and reducing energy consumption integral method, it is characterised in that：
In dry rubble wall indoor, the sandstone between stone hole is blown off with dust with air blower, then will using structure glue
Among " L " shape worm steel muscle implantation stone hole of diameter 8mm, all reinforcing bar implantation depths are no more than thickness of wall body, steel
Overhanging segment length is no more than 10mm after muscle implantation wall.
4. the seismic hardening of dry rubble wall and reducing energy consumption integral method, its feature according to claim 1 or 3 exist
In：In existing dry rubble wall indoor, overhanging section of " L " shape reinforcing bar of implantation is upper hangs and fixes FRP tendons grid, plug-in
Distance of the FRP tendons grid away from indoor surface of wall afterwards is about 5mm.
5. existing dry rubble wall seismic hardening according to claim 1 and reducing energy consumption integral method, its feature
It is：The polymer mortar surface layer of 25mm to 30mm thickness, the polymer mortar are smeared in dry rubble wall indoor side surface
It is made of polymer modifiers, cement and sandstone, the polymer modifiers uses acrylate, polyvinyl alcohol and benzene second
Any one in alkene-acrylate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710837953.7A CN107965153B (en) | 2017-09-18 | 2017-09-18 | Dry-laid rubble wall seismic strengthening and energy-saving reconstruction integrated method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710837953.7A CN107965153B (en) | 2017-09-18 | 2017-09-18 | Dry-laid rubble wall seismic strengthening and energy-saving reconstruction integrated method |
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| Publication Number | Publication Date |
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| CN107965153A true CN107965153A (en) | 2018-04-27 |
| CN107965153B CN107965153B (en) | 2020-01-07 |
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| CN201710837953.7A Active CN107965153B (en) | 2017-09-18 | 2017-09-18 | Dry-laid rubble wall seismic strengthening and energy-saving reconstruction integrated method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610873A (en) * | 2019-01-18 | 2019-04-12 | 央固工程科技（上海）有限公司 | A kind of reinforcing of plain brick wall and Saussurea DC integral structure |
| CN113417376A (en) * | 2021-08-03 | 2021-09-21 | 河北爱厦科技有限公司 | Composite vacuum heat-preservation construction process for building external wall |
| CN114163190A (en) * | 2021-12-08 | 2022-03-11 | 福州大学 | Existing rubble wall body reinforcing UHPC material and reinforcing method thereof |
| CN114439029A (en) * | 2022-01-07 | 2022-05-06 | 山东农业大学 | Concrete combination ground pillar for civil engineering |
| CN114856239A (en) * | 2022-05-16 | 2022-08-05 | 上海建工五建集团有限公司 | Method and structure for reinforcing existing rubble wall |
| CN115897852A (en) * | 2022-11-24 | 2023-04-04 | 中建八局第三建设有限公司 | Hoisting and stacking construction method suitable for ancient city wall super-heavy stones |
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| CN102392542A (en) * | 2011-11-29 | 2012-03-28 | 上海市第四建筑有限公司 | Unilateral-ribbing anti-seismic reinforcing method for existing brickwork structure |
| CN103470067A (en) * | 2013-10-08 | 2013-12-25 | 武汉武大巨成加固实业有限公司 | Transformation and construction method used for facing bare concrete of existing building outer wall |
| CN203867106U (en) * | 2014-04-18 | 2014-10-08 | 苏州中固建筑科技有限公司 | Reinforced historic building single-piece brick wall |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610873A (en) * | 2019-01-18 | 2019-04-12 | 央固工程科技（上海）有限公司 | A kind of reinforcing of plain brick wall and Saussurea DC integral structure |
| CN113417376A (en) * | 2021-08-03 | 2021-09-21 | 河北爱厦科技有限公司 | Composite vacuum heat-preservation construction process for building external wall |
| CN114163190A (en) * | 2021-12-08 | 2022-03-11 | 福州大学 | Existing rubble wall body reinforcing UHPC material and reinforcing method thereof |
| US11732492B2 (en) | 2021-12-08 | 2023-08-22 | Fuzhou University | UHPC material for reinforcing existing stone masonry wall and reinforcing method thereof |
| CN114439029A (en) * | 2022-01-07 | 2022-05-06 | 山东农业大学 | Concrete combination ground pillar for civil engineering |
| CN114856239A (en) * | 2022-05-16 | 2022-08-05 | 上海建工五建集团有限公司 | Method and structure for reinforcing existing rubble wall |
| CN114856239B (en) * | 2022-05-16 | 2024-07-30 | 上海建工五建集团有限公司 | Method and structure for reinforcing existing rubble wall |
| CN115897852A (en) * | 2022-11-24 | 2023-04-04 | 中建八局第三建设有限公司 | Hoisting and stacking construction method suitable for ancient city wall super-heavy stones |
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| CN107965153B (en) | 2020-01-07 |
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