CN110847422A - Construction method of prefabricated external wall panel of fabricated building - Google Patents
Construction method of prefabricated external wall panel of fabricated building Download PDFInfo
- Publication number
- CN110847422A CN110847422A CN201911182686.XA CN201911182686A CN110847422A CN 110847422 A CN110847422 A CN 110847422A CN 201911182686 A CN201911182686 A CN 201911182686A CN 110847422 A CN110847422 A CN 110847422A
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- Prior art keywords
- wall panel
- external wall
- prefabricated external
- prefabricated
- base layer
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- 238000010276 construction Methods 0.000 title claims abstract description 27
- 238000004873 anchoring Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000011440 grout Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000004570 mortar (masonry) Substances 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012994 industrial processing Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6806—Waterstops
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The invention relates to the technical field of building construction, in particular to a construction method of prefabricated external wall panels of an assembly type building.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction method of an assembled building prefabricated external wall panel.
Background
The assembly type building PC engineering is commonly applied in the field of current world buildings, and the house industrialization is to realize the industrialization of house production, supply and the like in the sense of the meaning. The industrial processing is carried out on the building components in a factory, so that the labor productivity of the house production is improved, the overall quality of the house is improved, the cost is reduced, and the material consumption and the energy consumption are reduced. The assembled structure can be expected to become the market mainstream in 10-20 years or even longer. However, the existing wallboard construction process still adopts the traditional process, the construction quality is poor, and the cost is high, so that how to apply the assembly type building mode to the wallboard construction process becomes the research direction of the technicians in the field.
Disclosure of Invention
Aiming at the existing problems, the invention discloses a construction method of an assembled building prefabricated external wall panel, wherein grouting holes are prefabricated in the prefabricated external wall panel, and the construction method comprises the following steps:
step S1, base layer processing: arranging anchoring steel bars at the wallboard mounting positions of the base layer, and processing the base layer;
step S2, measuring the pay-off: positioning and paying off the mounting position of the wallboard according to a design construction drawing so as to determine side lines on two sides of the wallboard;
step S3, elevation adjustment: placing leveling cushion blocks in sidelines on two sides of the wallboard;
step S4, wallboard installation: hoisting the prefabricated external wall panel in place according to the side lines on the two sides of the wall panel, wherein the prefabricated external wall panel is sleeved on the anchoring steel bars through the grouting holes;
step S5, diagonal brace installation: after the levelness and the verticality of the prefabricated external wall panel are adjusted, installing an inclined strut between the prefabricated external wall panel and the base layer to support the prefabricated external wall panel;
step S6, installing heat preservation and insulation strips: 2 heat-insulating strips are placed between the bottom of the prefabricated external wall panel and the base layer, and the distance between each heat-insulating strip and the outer side line of the adjacent wall panel is 20-40 mm;
step S7, plugging waterproof mortar: plugging gaps which are positioned between the bottom of the prefabricated external wall panel and the base layer and are positioned outside the 2 heat-insulating strips by using waterproof mortar;
step S8, grouting construction: and after the grouting holes of the prefabricated external wall panel are washed and cleaned, grouting is carried out on the grouting holes of the prefabricated external wall panel so as to complete the construction of the prefabricated external wall panel.
Further, in step S1, the step of processing the base layer specifically includes: and carrying out primary grinding and cleaning treatment on the base layer at the mounting position of the wallboard.
Further, in step S3, at least 3 leveling pads are disposed on the base layer corresponding to each prefabricated external wall panel.
Furthermore, metal parts are prefabricated on the prefabricated external wall panel, and anchoring parts are pre-buried on the base layer; in the step S5, in the above step,
and two ends of the inclined strut are respectively fixed on the metal piece and the anchoring piece.
Furthermore, the inclined strut is made of a steel pipe.
Furthermore, the material of the heat-preservation and heat-insulation strip is PE.
And further, grouting is carried out on the prefabricated external wall panel from the inlet of the grouting hole until grout is discharged from the grout outlet for 3-6 seconds, and then grouting is stopped.
The invention has the following advantages or beneficial effects:
the invention discloses a construction method of prefabricated external wall panels of an assembly type building, which is characterized in that anchoring reinforcing steel bars are preset at the installation positions of wall panels of a base layer, and then after leveling treatment of the base layer, elevation adjustment, wall panel installation, diagonal bracing installation, heat-insulating and heat-insulating strip installation, waterproof mortar plugging and grouting construction processes are sequentially carried out to complete the assembly type building of the prefabricated external wall panels.
Drawings
The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a flow chart illustrating a method for constructing prefabricated external wall panels for prefabricated buildings according to an embodiment of the present invention;
FIG. 2 is a schematic view of a configuration of placing leveling pads in the two side lines of the wall panel according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a wall panel in place according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of an embodiment of the present invention after installation of the diagonal brace;
FIG. 5 is a schematic structural diagram of the embodiment of the present invention after the insulating strips are installed;
FIG. 6 is a schematic structural diagram of the embodiment of the invention for plugging the outer side of the heat-insulating strip with waterproof mortar;
fig. 7 is a schematic structural view of the prefabricated external wall panel for the prefabricated building according to the embodiment of the present invention after grouting.
Detailed Description
The structure of the present invention will be further described with reference to the accompanying drawings and specific examples, but the present invention is not limited thereto.
As shown in fig. 1 to 7, the embodiment discloses a construction method of an assembly type building prefabricated external wall panel, the prefabricated external wall panel 5 is provided with a grouting hole 51 from the bottom, the grouting hole 51 is provided with a grouting port 512 and a grout outlet 511 which are located at one side of the prefabricated external wall panel 5, and the grout outlet 511 is located above the grouting port 512, specifically, the construction method includes the following steps:
step S1, base layer processing: set up anchor reinforcing bar 3 in the wallboard mounted position of basic unit 1 to should and carry out preliminary polishing and clean the processing to basic unit 1, wherein, the diameter of this anchor reinforcing bar 3 is less than the diameter of this grout hole 51.
Wherein, this basic unit 1 is cast-in-place structural slab, and the lower part of this anchor reinforcing bar 3 passes cast-in-place structural slab and sets up in cast-in-place frame roof beam 2, and the upper portion of this anchor reinforcing bar 3 is located the top of this cast-in-place structural slab.
Step S2, measuring the pay-off: and positioning and paying off the mounting position of the wallboard according to a design construction drawing so as to determine the sidelines on the two sides of the wallboard.
Step S3, elevation adjustment: the leveling cushion blocks 4 are placed in the side lines of the two sides of the wall board, and at least 3 leveling cushion blocks 4 are placed on the base layer 1 corresponding to each prefabricated external wall board 5, so that the prefabricated external wall boards 5 can be conveniently installed, and the structure is shown in fig. 2.
Step S4, wallboard installation: hoisting the prefabricated external wall panel 5 in place by using a crane according to two side lines of the wall panel, wherein the prefabricated external wall panel 5 is sleeved on the anchoring steel bars 3 through grouting holes 51 (wherein the height of the grouting holes 51 needs to be greater than the height of the anchoring steel bars 3 above the base layer 1), as shown in fig. 3.
Step S5, diagonal brace installation: after finely adjusting the levelness and the verticality of the prefabricated external wall panel 5, an inclined strut 6 is installed between the prefabricated external wall panel 5 and the base layer 1 to support the prefabricated external wall panel 5, so that the prefabricated external wall panel 5 cannot be inclined, and the levelness and the verticality of the prefabricated external wall panel 5 can be kept, as shown in fig. 4.
Specifically, the prefabricated external wall panel 5 is prefabricated with a metal piece 52, the base layer 1 is pre-embedded with a U-shaped anchoring piece 11, the inclined strut 6 is made of a phi 48 steel pipe, two ends of the inclined strut are adjusting fixing joints 61, one end of the inclined strut is fixed on the prefabricated metal piece 52 of the prefabricated external wall panel 5, and the other end of the inclined strut is connected with the U-shaped anchoring piece 11 pre-embedded on the base layer 1.
Step S6, installing heat preservation and insulation strips: 2 heat preservation and insulation strips 7 are arranged between the bottom of the prefabricated external wall panel 5 and the base layer 1, and the distance between each heat preservation and insulation strip 7 and the outer side line of the adjacent wall panel is 20-40 mm (for example, 20mm, 25mm, 30mm or 40mm and the like), as shown in fig. 5.
The material of the heat-insulating strip 7 is PE, such as a round PE rod.
Step S7, plugging waterproof mortar: and (3) plugging gaps which are positioned between the bottom of the prefabricated external wall panel 5 and the base layer 1 and are positioned outside the 2 heat-insulating strips 7 by using waterproof mortar 8, wherein the structure is shown in fig. 6.
Step S8, grouting construction: after the grouting holes 51 of the prefabricated external wall panel 5 are washed and cleaned, grouting is performed from the grouting port 512 to the grouting holes 51 of the prefabricated external wall panel 5 until the grout is discharged from the grout outlet 511 for 3 to 6 seconds (for example, 3 seconds, 4 seconds, 5 seconds, or 6 seconds), and then grouting is stopped, so that the construction of the prefabricated external wall panel 5 is completed, as shown in fig. 7.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described herein in detail. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments to equivalent variations, without departing from the spirit of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (7)
1. The construction method of the prefabricated external wall panel of the prefabricated building is characterized in that grouting holes are prefabricated in the prefabricated external wall panel, and comprises the following steps:
step S1, base layer processing: arranging anchoring steel bars at the wallboard mounting positions of the base layer, and processing the base layer;
step S2, measuring the pay-off: positioning and paying off the mounting position of the wallboard according to a design construction drawing so as to determine side lines on two sides of the wallboard;
step S3, elevation adjustment: placing leveling cushion blocks in sidelines on two sides of the wallboard;
step S4, wallboard installation: hoisting the prefabricated external wall panel in place according to the side lines on the two sides of the wall panel, wherein the prefabricated external wall panel is sleeved on the anchoring steel bars through the grouting holes;
step S5, diagonal brace installation: after the levelness and the verticality of the prefabricated external wall panel are adjusted, installing an inclined strut between the prefabricated external wall panel and the base layer to support the prefabricated external wall panel;
step S6, installing heat preservation and insulation strips: 2 heat-insulating strips are placed between the bottom of the prefabricated external wall panel and the base layer, and the distance between each heat-insulating strip and the outer side line of the adjacent wall panel is 20-40 mm;
step S7, plugging waterproof mortar: plugging gaps which are positioned between the bottom of the prefabricated external wall panel and the base layer and are positioned outside the 2 heat-insulating strips by using waterproof mortar;
step S8, grouting construction: and after the grouting holes of the prefabricated external wall panel are washed and cleaned, grouting is carried out on the grouting holes of the prefabricated external wall panel so as to complete the construction of the prefabricated external wall panel.
2. The prefabricated external wall panel construction method for the fabricated building as claimed in claim 1, wherein in the step S1, the step of processing the base layer comprises: and carrying out primary grinding and cleaning treatment on the base layer at the mounting position of the wallboard.
3. The method of constructing prefabricated exterior wall panels for prefabricated buildings according to claim 1, wherein at least 3 leveling blocks are disposed on the base plate corresponding to each prefabricated exterior wall panel in step S3.
4. The construction method of the prefabricated external wall panel of the fabricated building as claimed in claim 1, wherein metal members are prefabricated on the prefabricated external wall panel, and anchoring members are pre-buried on the base layer; in the step S5, in the above step,
and two ends of the inclined strut are respectively fixed on the metal piece and the anchoring piece.
5. The prefabricated external wall panel construction method for an assembly type building according to claim 1, wherein the diagonal brace is made of a steel pipe.
6. The method for constructing prefabricated external wall panels of an assembly building as claimed in claim 1, wherein the material of the heat-insulating strips is PE.
7. The prefabricated external wall panel construction method of claim 1, wherein in the step S8, grouting is performed on the grouting holes of the prefabricated external wall panel until grout is discharged from the grout outlet for 3-6 seconds, and then grouting is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911182686.XA CN110847422A (en) | 2019-11-27 | 2019-11-27 | Construction method of prefabricated external wall panel of fabricated building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911182686.XA CN110847422A (en) | 2019-11-27 | 2019-11-27 | Construction method of prefabricated external wall panel of fabricated building |
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| Publication Number | Publication Date |
|---|---|
| CN110847422A true CN110847422A (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911182686.XA Pending CN110847422A (en) | 2019-11-27 | 2019-11-27 | Construction method of prefabricated external wall panel of fabricated building |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177352A (en) * | 2020-09-29 | 2021-01-05 | 唐山盾石建筑工程有限责任公司 | Construction method for splicing aerated concrete slabs |
| CN112392218A (en) * | 2020-12-09 | 2021-02-23 | 广州建筑产业开发有限公司 | Assembled decoration and heat preservation integrated wallboard and dry construction method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3798856A (en) * | 1972-05-24 | 1974-03-26 | W Gloskowski | Tilt-up wall panel brace assembly |
| CN207260633U (en) * | 2017-06-22 | 2018-04-20 | 江苏宇辉住宅工业有限公司 | Dry wall construction inclined support structure |
| CN108118900A (en) * | 2017-12-29 | 2018-06-05 | 北京城建北方建设有限责任公司 | The construction method of prefabricated panel |
| CN110158969A (en) * | 2019-05-06 | 2019-08-23 | 河北建设集团股份有限公司 | A kind of construction method of low temperature environment fabricated shear wall |
| CN209585340U (en) * | 2019-01-16 | 2019-11-05 | 上海中森建筑与工程设计顾问有限公司 | Prefabricated sandwich heat preservation exterior wall with dried hanging hang structure |
-
2019
- 2019-11-27 CN CN201911182686.XA patent/CN110847422A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3798856A (en) * | 1972-05-24 | 1974-03-26 | W Gloskowski | Tilt-up wall panel brace assembly |
| CN207260633U (en) * | 2017-06-22 | 2018-04-20 | 江苏宇辉住宅工业有限公司 | Dry wall construction inclined support structure |
| CN108118900A (en) * | 2017-12-29 | 2018-06-05 | 北京城建北方建设有限责任公司 | The construction method of prefabricated panel |
| CN209585340U (en) * | 2019-01-16 | 2019-11-05 | 上海中森建筑与工程设计顾问有限公司 | Prefabricated sandwich heat preservation exterior wall with dried hanging hang structure |
| CN110158969A (en) * | 2019-05-06 | 2019-08-23 | 河北建设集团股份有限公司 | A kind of construction method of low temperature environment fabricated shear wall |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177352A (en) * | 2020-09-29 | 2021-01-05 | 唐山盾石建筑工程有限责任公司 | Construction method for splicing aerated concrete slabs |
| CN112392218A (en) * | 2020-12-09 | 2021-02-23 | 广州建筑产业开发有限公司 | Assembled decoration and heat preservation integrated wallboard and dry construction method thereof |
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