CN109930856A - A kind of the old and new's wall concatenation construction method - Google Patents
A kind of the old and new's wall concatenation construction method Download PDFInfo
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- CN109930856A CN109930856A CN201910260829.8A CN201910260829A CN109930856A CN 109930856 A CN109930856 A CN 109930856A CN 201910260829 A CN201910260829 A CN 201910260829A CN 109930856 A CN109930856 A CN 109930856A
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Abstract
The invention discloses a kind of the old and new's wall concatenation construction methods, are related to interior decoration technology, its key points of the technical solution are that: the following steps are included: S1: old wall processing roots out wall skin at old wall Mosaic face, so that old plinth course exposes, and clears up dust；S2: default lacing wire, old wall base level are equipped with lacing wire every 500~600mm along vertical height；S3: building brick wall, and brick is staggeredly stacked, is bonded between two neighboring brick by M5 cement mortar, while lacing wire is embedded in brick wall；S4: new wall cleaning, metope are evened out, wetting of sprinkling water after cleaning up；S5: metope smears bottom ash, and bottom ash layer is provided at least two layers, every layer with a thickness of 5~9mm；S6: float coat ash after bottom ash solidifies at least 12 hours, carries out finish coat to metope, finish coat is with a thickness of 5~8mm.It is shoveled out by wall skin and lacing wire, so that splicing between the old and new's wall secured, it is not easy to generate crack.
Description
Technical field
The present invention relates to interior decoration technologies, more specifically, it relates to a kind of the old and new's wall concatenation construction method.
Background technique
In house decoration, the case where splicing of the old and new's wall is a frequently encountered.Existing the old and new's wall splicing is usually true by new wall
After setting, by the way that brick is stacked masonry, then by the metope of new wall by cement plastering, so that new wall construction finishes, still
Such wall, in long-term use, the meeting that new wall has in subsequent use generate slight sedimentation, so that between Xin Qiang and old wall
It is easy to appear dislocation, so that generating crack between Xin Qiang and old wall, influences the beauty of metope, it is more troublesome, have much room for improvement.
Summary of the invention
In view of the deficienciess of the prior art, the present invention provides a kind of the old and new's wall concatenation construction method, with the old and new's wall
Between splicing it is secured, it is not easy to the advantages of generating crack.
To achieve the above object, the present invention provides the following technical scheme that
A kind of the old and new's wall concatenation construction method, comprising the following steps:
S1: old wall processing roots out wall skin at old wall Mosaic face, so that old plinth course exposes, and clears up dust；
S2: default lacing wire, old wall base level are equipped with lacing wire every 500~600mm along vertical height；
S3: building brick wall, and brick is staggeredly stacked, is bonded between two neighboring brick by cement mortar, while lacing wire is embedded in brick
Within the walls；
S4: new wall cleaning, metope are evened out, wetting of sprinkling water after cleaning up；
S5: metope smears bottom ash, and bottom ash layer is provided at least two layers, every layer with a thickness of 5~9mm；
S6: float coat ash after bottom ash solidifies at least 12 hours, carries out finish coat to metope, finish coat with a thickness of 5~
8mm。
Through the above technical solutions, first shoveling out the wall skin of old wall, so that the base of old wall exposes, Dang Xinqiang lays bricks
When, the brick of new wall can directly contradict with the metope of old wall and pass through cementing, so that the splicing between the old and new's wall bonds
More preferably.In addition lacing wire is also distributed in the metope of old wall, and lacing wire can be embedded into new reinforcement support within the walls, so that new wall is initially solid
It is not easy to misplace between old wall when change, while the support of lacing wire, moreover it is possible to reduce new wall relatively old wall in use
Sedimentation dislocation, to reduce the case where generating crack between the old and new's wall, so that splicing between the old and new's wall secured, it is not easy to
Generate crack.
Further, S41, S42 are provided between S4 and S5,
S41: old wall seam crossing feather plucking, the seam crossing feather plucking processing of Jiang Laoqiang and Xin wall metope；
S42: it is laid with wire netting, Xin Qiang and old wall seam crossing are equipped with wire netting.
Through the above technical solutions, old wall seam crossing using tool is broken into metope it is crude, concavo-concave convexo-convex, as far as possible will
Original lacquer painting and bottom are purged, and so that the later period is constructed again and are provided better condition, absciss layer caused by constructing after preventing etc. is existing
As.Then it is laid with wire netting in Xin Qiang and old wall seam crossing, stitching portion setting is completely covered in wire netting.When the old and new's wall splices metope
When in same level metope, wire netting is laid in horizontal, and when being at right angles distributed after the old and new's wall split, wire netting is corresponding rectangular
Bending setting, wire netting is fitted in the metope of the old and new's wall simultaneously, and is pre-fixed by cement slurry.It is further strengthened by wire netting
Intensity between the old and new's wall at splicing seams further reduces between the old and new's wall there is a situation where crack, so that wall splicing is more
Add securely.
Further, in S42, wire netting fits in Xin Qiang and the width of old wall is all larger than equal to 150mm.
Through the above technical solutions, the width of wire netting is more than or equal to 150mm, it is strong that the old and new's wall is able to maintain stronger splicing
Degree, can reduce between the old and new's wall and the case where crack occur, so that fixing-stable at the old and new's wall splicing seams.
Further, in S2, lacing wire is that two diameters of horizontal distribution are more than or equal to the reinforcing bar of 6mm, and reinforcing bar length is greater than
Equal to 400mm, reinforcing bar, which enters in wall, to be fixed with anchoring adhesive.
Through the above technical solutions, generalling use the reinforcing bar that diameter is 6mm, individual cases will use directly according to actual needs
Diameter is the reinforcing bar of 10mm, and two lacing wires are horizontal and are arranged in parallel, lacing wire one end be inserted into old wall wall and by anchoring adhesive into
One step is strengthened, the other end of lacing wire built when building new wall into it is new within the walls so that the old and new's wall diameter splice it is stronger.
Further, S21 is provided between S2 and S3,
S21: brick watering, brick water wet on the day before masonry.
Through the above technical solutions, clay brick mentions, the previous day watering is wet, and generally immersing four side 1.5m of brick with water is advisable, and contains
Water rate is 10%~15%.By reducing brick pre-wetting when building a wall, brick is by the feelings of the water adsorption in cement mortar
Condition, so that the metope piled up is in conjunction with stronger.
Further, in S3, watering wetting first is carried out to the surface Lao Qiang before building a wall.
Through the above technical solutions, the surface Lao Qiang is soaked, so that new wall reduces old wall for new wall when piling up
Moisture in cement mortar, which siphons away, causes new wall to solidify unstable situation.
Further, further include S31 in S3: wall binds, when brick is staggeredly stacked to long from top just less than one piece brick
When spending, solidification at least two days later, brick inclination arrangement is filled and is bound.
Through the above technical solutions, avoiding direct brick stacks the cavity for causing top less than one piece of brick thickness when, it can
To be successively staggeredly overlapped by cement mortar, brick when filling, water by the way that brick inclination arrangement to be filled upper cavity
Cement mortar can reinforce the solid conjunction of two neighboring brick, and cement mortar can also fill up the oblique angle cavity of brick slant setting generation, make
The structure for obtaining new wall is stronger.
Further, in S31, the arrangement of brick is symmetrical arranged in two sides in the horizontal direction, the cavity of middle and two sides
It is filled up by filling block.
Through the above technical solutions, monosymmetric tilt distribution, can make being more uniformly stressed for the portion of binding, reduce
The case where stress deflection caused by whole unidirectional inclinations.Filling block can be prefabricated triangle concrete block, be also possible to cut brick disconnected
Shorten the block to be formed.
Further, it in S6, first waters and soaks to metope before float coat ash, after plastering, first struck off with darby, and then used
Wooden float, which is rubbed with the hands, puts down, then is tentatively pressed one time with steel trowel；After 0.5~1 hour, then struck off with darby, with wooden float stranding grind it is smooth,
Coarse uniform surface；It is carried out, so that metope is more concordant smooth, it is straight smearing line along smearing with steel trowel again.
It is soaked through the above technical solutions, first watering to metope, 1:2.5 cement mortar is smeared to form surface layer ash, then
It is tentatively struck off by darby, so that metope is whole more concordant, then further rub with the hands by wooden float and put down, then use
Steel trowel carries out preliminary consolidation；After 0.5~1 hour, after metope is slightly dry, then is struck off with darby, ground with wooden float stranding smooth, thick
Rough uniform surface, so that surface layer ash is more uniform.
Further, S7 is additionally provided with after S6: surface press polish, after smoothing out metope, if surface layer has excessive moisture, with plain ash
It is equably sprinkling upon in construction surface, rolls light with trowel.
Through the above technical solutions, making the more smooth beauty of metope.
Compared with prior art, the beneficial effects of the present invention are:
(1) it is shoveled out by wall skin and lacing wire, so that splicing between the old and new's wall secured, it is not easy to generate crack；
(2) intensity between the old and new's wall at splicing seams is further strengthened by wire netting, further reduces and is sent out between the old and new's wall
The case where raw crack, so that wall splicing is stronger；
(3) it is bound by wall, so that the structure of new wall is stronger；
(4) by float coat ash and surface press polish, so that the more smooth beauty of metope.
Detailed description of the invention
Fig. 1 is the overall flow figure of embodiment；
Fig. 2 is the lacing wire schematic diagram of embodiment；
Fig. 3 is the wall sealing-top structure schematic diagram of embodiment；
Fig. 4 is that the wire netting of embodiment is laid with schematic diagram.
Appended drawing reference: 1, Lao Qiang；2, lacing wire；3, Xin Qiang；4, filling block；5, wire netting.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment:
A kind of the old and new's wall concatenation construction method, as shown in Figure 1, comprising the following steps:
S1: old wall processing roots out wall skin at old wall Mosaic face, so that old plinth course exposes, and clears up dust.Xin Qiang and upper contact
When connecing, upper top is also required to shovel out the processing of wall skin towards the end face of new wall.When new wall is laid bricks, the brick of new wall can be direct
Cementing is contradicted and passed through with the metope of old wall, so that the splicing bonding between the old and new's wall is more preferable.
S2: default lacing wire, the aperture on old wall, old wall base level are equipped with lacing wire every 500~600mm along vertical height.
As shown in Fig. 2, lacing wire 2 is that two diameters of horizontal distribution are more than or equal to the reinforcing bar of 6mm, reinforcing bar length is more than or equal to 400mm, steel
Muscle is inserted into the wall of old wall 1 and smears gap with anchoring adhesive and fixed.
Lacing wire generallys use the reinforcing bar that diameter is 6mm, and individual cases will use the steel that diameter is 10mm according to actual needs
Muscle, two lacing wires are horizontal and are arranged in parallel, and lacing wire one end is inserted into old wall wall and is further strengthened by anchoring adhesive, lacing wire
The other end built when building new wall into it is new within the walls so that the splicing of the old and new's wall diameter is stronger.
S21: brick watering, brick water wet on the day before masonry.Clay brick proposes the previous day watering and moistens, generally with water logging
Entering four side 1.5m of brick is advisable, and moisture content is 10%~15%.By reducing brick pre-wetting when building a wall, brick is by cement bonded sand
The case where water adsorption in slurry so that the metope piled up combine it is stronger.
S3: brick wall is built, watering wetting first is carried out to the surface Lao Qiang before building a wall, the surface Lao Qiang is soaked, so that new wall
When piling up, reducing old wall and siphoning away the moisture in the cement mortar of new wall causes new wall to solidify unstable situation.Configuration
M5 cement mortar (M5 cement mortar is that the volume ratio of cement and sand is that 1:5.23 adds water to mix) is spare, and then brick interlocks
Stack, bonded between two neighboring brick by M5 cement mortar, while lacing wire is embedded in brick wall, lay bricks preferably use one shovel ash,
One piece of brick, one squeeze " 31 " chimney bond rubbed, i.e. Man Pu, completely squeeze maneuver, full degree of mortar at bed joint cannot be less than 80%.
S31: wall binds, when brick staggeredly stack to from top just less than one piece of brick length when, solidification at least two days later,
Brick inclination arrangement is filled and is bound.As shown in figure 3, the arrangement of the brick to bind is in that two sides are symmetrical arranged two sides in the horizontal direction
Symmetrical tilt distribution can make being more uniformly stressed for the portion of binding, and reduce stress deflection caused by all unidirectional inclinations
The case where.The cavity of middle and two sides is filled up by filling block 4, and filling block 4 can be prefabricated triangle concrete block, can also
To be that brick is cut to the disconnected block to be formed that shortens.
By the way that brick inclination arrangement to be filled upper cavity, when filling, successively presses cement mortar, brick and staggeredly carries out
Superposition, cement mortar can reinforce the solid conjunction of two neighboring brick, and cement mortar can also fill up the oblique angle of brick slant setting generation
Cavity, so that the structure of new wall is stronger.
S4: new wall is cleared up, and after metope primary solidification, metope cement block outstanding is evened out, wetting of sprinkling water after cleaning up.
By the wetting of metope, subsequent bottom ash can be made stronger in conjunction with metope.
S41: old wall seam crossing feather plucking, the seam crossing feather plucking processing of Jiang Laoqiang and Xin wall metope.Old wall seam crossing is utilized
Tool metope is broken into it is crude, concavo-concave convexo-convex, original lacquer painting and bottom are purged as far as possible, practice of construction middle groove directly will
The wall skin of old wall metope shovels out, and exposes base, base is then broken into crude face, so that the later period is constructed again and provides better item
Phenomena such as part, absciss layer caused by constructing after preventing.
S42: being laid with wire netting, and Xin Qiang and old wall seam crossing are equipped with wire netting, and wire netting fits in Xin Qiang and old wall
Width is all larger than equal to 150mm.As shown in figure 4, new wall 3 and 1 seam crossing of old wall are laid with wire netting 5, wire netting 5, which is completely covered, to be connect
It is arranged at seam.
When the old and new's wall splicing metope is in same level metope, wire netting is bonded two metopes and is laid in horizontal, works as the old and new
When being at right angles distributed after wall split, the corresponding at right angles bending setting of wire netting, wire netting is fitted in the metope of the old and new's wall simultaneously, and
It is pre-fixed by cement slurry.The intensity between the old and new's wall at splicing seams is further strengthened by wire netting, is further reduced new
There is a situation where cracks between old wall, so that wall is secured.
S5: metope smears bottom ash, and bottom ash at the feather plucking processing of new wall metope and old wall simultaneously to smearing, so that two
A metope splicing is stronger.Bottom ash layer is provided at least two layers, every layer with a thickness of 5~9mm.When bottom ash is 1:2.5 water
When cement mortar, plaster it is every all over thickness be preferably 5~7mm, when bottom ash layer is 1:2.5 cement mixed mortar, it is every all over thickness be preferably 7~
9mm, each layer depth of plastering of strict control, prevents from once plastering blocked up, drying shrinkage is caused to increase, and the quality such as hollowing, dry and cracked is caused to ask
Topic.
Cement mortar=sand+cement+water, 1:2.5 are the volume ratio of cement and sand, and exactly 1 part of cement and 2.5 parts of sands add
Water appropriate, the mortar mixed；Cement mixed mortar=sand+cement+lime paste (or clay etc.)+water, 1:2.5 is water
The volume ratio of mud and sand, exactly 1 part of cement and 2.5 parts of sands add water and lime paste appropriate (or clay etc.), mix
Mortar.
S6: float coat ash after bottom ash solidifies at least 12 hours, carries out finish coat to metope, first to metope before plastering
Watering wetting usually stands 15 minutes after watering, then smears the cement mortar of 1:2.5 or 1:2 to form surface layer ash, surface layer
Depth of plastering is usually 5~8mm.It after plastering, is first struck off with darby, is and then rubbed with the hands and put down with wooden float, then tentatively pressed with steel trowel
One time.It after 0.5~1 hour, then is struck off with darby, grinds smooth, coarse uniform surface with wooden float stranding；Again with steel trowel into
Row, so that metope is more concordant smooth, it is straight to smear line along smearing.
S7: surface press polish after smoothing out metope, if surface layer has excessive moisture, is equably sprinkling upon in construction surface with plain ash, is used
Trowel rolls light, so that the more smooth beauty of metope；If surface is without extra moisture, dry cement must not be arbitrarily spread, otherwise can be caused
Surface layer dry shrinkage and cracking.
When practical splicing, old wall is also possible to cylinder, operates identical.
Cement among the above generally uses No. 325 ordinary portland cements or portland slag cement；Sand: sand in use is matched
The clay content of sand used in M5 or less mortar processed is no more than 10%, M5 and its sand clay content of the above mortar is no more than 5%, before use,
The sieve in the sand aperture 5mm.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of the old and new's wall concatenation construction method, it is characterised in that: the following steps are included:
S1: old wall processing roots out wall skin at old wall Mosaic face, so that old plinth course exposes, and clears up dust；
S2: default lacing wire, old wall base level are equipped with lacing wire every 500~600mm along vertical height；
S3: building brick wall, and brick is staggeredly stacked, is bonded between two neighboring brick by cement mortar, while lacing wire is embedded in brick
Within the walls；
S4: new wall cleaning, metope are evened out, wetting of sprinkling water after cleaning up；
S5: metope smears bottom ash, and bottom ash layer is provided at least two layers, every layer with a thickness of 5~9mm；
S6: float coat ash after bottom ash solidifies at least 12 hours, carries out finish coat to metope, finish coat with a thickness of 5~
8mm。
2. a kind of the old and new's wall concatenation construction method according to claim 1, it is characterised in that: be provided between S4 and S5
S41, S42,
S41: old wall seam crossing feather plucking, the seam crossing feather plucking processing of Jiang Laoqiang and Xin wall metope；
S42: it is laid with wire netting, Xin Qiang and old wall seam crossing are equipped with wire netting.
3. a kind of the old and new's wall concatenation construction method according to claim 2, it is characterised in that: in S42, wire netting is fitted in
The width of Xin Qiang and old wall is all larger than equal to 150mm.
4. a kind of the old and new's wall concatenation construction method according to claim 1, it is characterised in that: in S2, lacing wire is horizontal point
Two diameters of cloth are more than or equal to the reinforcing bar of 6mm, and reinforcing bar length is more than or equal to 400mm, and reinforcing bar enters must be solid with anchoring adhesive in wall
It is fixed.
5. a kind of the old and new's wall concatenation construction method according to claim 1, it is characterised in that: be provided between S2 and S3
S21,
S21: brick watering, brick water wet on the day before masonry.
6. a kind of the old and new's wall concatenation construction method according to claim 1, it is characterised in that: in S3, first to old before building a wall
Wall surface carries out watering wetting.
7. a kind of the old and new's wall concatenation construction method according to claim 1, it is characterised in that: further include S31 in S3: wall
Body binds, when brick staggeredly stack to from top just less than one piece of brick length when, solidification at least two days later, by brick inclination arrange into
Row filling is bound.
8. a kind of the old and new's wall concatenation construction method according to claim 7, it is characterised in that: in S31, the arrangement of brick is along water
Square in two sides be symmetrical arranged, the cavity of middle and two sides is filled up by filling block.
9. a kind of the old and new's wall concatenation construction method according to claim 1, it is characterised in that: in S6, before float coat ash first
It waters and soaks to metope, after plastering, first struck off with darby, and then rubbed with the hands and put down with wooden float, then tentatively pressed one time with steel trowel；
It after 0.5~1 hour, then is struck off with darby, grinds smooth, coarse uniform surface with wooden float stranding；It is carried out again with steel trowel suitable
It smears, so that metope is more concordant smooth, it is straight to smear line.
10. a kind of the old and new's wall concatenation construction method according to claim 9, it is characterised in that: be additionally provided with S7 after S6: table
Face pressure light after smoothing out metope, if surface layer has excessive moisture, is equably sprinkling upon in construction surface with plain ash, rolls light with trowel.
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Cited By (3)
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| CN110439311A (en) * | 2019-07-24 | 2019-11-12 | 上海市建筑装饰工程集团有限公司 | A kind of imitative historical building artistic decoration wall hollow out common brick repairing replacement method |
| CN112709438A (en) * | 2020-12-29 | 2021-04-27 | 上海云兰建筑装饰工程有限公司 | Splicing construction method for new and old walls |
| CN114150888A (en) * | 2021-11-25 | 2022-03-08 | 金川集团股份有限公司 | Wall plastering layer crack treatment method |
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| CN114150888A (en) * | 2021-11-25 | 2022-03-08 | 金川集团股份有限公司 | Wall plastering layer crack treatment method |
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Application publication date: 20190625 |
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