CN110607855A - Internal thermal insulation construction method for assembled external wall panel - Google Patents
Internal thermal insulation construction method for assembled external wall panel Download PDFInfo
- Publication number
- CN110607855A CN110607855A CN201910866177.2A CN201910866177A CN110607855A CN 110607855 A CN110607855 A CN 110607855A CN 201910866177 A CN201910866177 A CN 201910866177A CN 110607855 A CN110607855 A CN 110607855A
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- prefabricated wall
- wall body
- thermal insulation
- angle steel
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- 238000009413 insulation Methods 0.000 title claims abstract description 30
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- 239000004567 concrete Substances 0.000 claims abstract description 24
- 238000005507 spraying Methods 0.000 claims abstract description 15
- 238000005336 cracking Methods 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000004744 fabric Substances 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 11
- 239000004570 mortar (masonry) Substances 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 9
- 239000011083 cement mortar Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000005553 drilling Methods 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000009499 grossing Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 10
- 238000004321 preservation Methods 0.000 description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010422 painting Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000007105 physical stamina Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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
- 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
- E04B1/7675—Insulating linings for the interior face of exterior walls
-
- 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
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/7407—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts
-
- 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
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/7407—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts
- E04B2/7409—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts special measures for sound or thermal insulation, including fire protection
-
- 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
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/7407—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts
- E04B2/7453—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts with panels and support posts, extending from floor to ceiling
-
- 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
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/82—Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions as far as related to the connection with other parts of the building
- E04B2/821—Connections between two opposed surfaces (i.e. floor and ceiling) by means of a device offering a restraining force acting in the plane of the partition
-
- 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
- E04B2001/7691—Heat reflecting layers or coatings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The invention relates to the technical field of external wall panel heat insulation construction, in particular to an internal heat insulation construction method of an assembled external wall panel, which comprises the following steps: s1: building angle steel, and installing angle steel parallel to the concrete beams on the upper side and the lower side; s2: installing the prefabricated wall body, and embedding and fixing two ends of the prefabricated wall body between the two angle steels; s3: plate seam processing, namely sealing between two adjacent prefabricated walls, so that the possibility of cracking and leakage of the walls is reduced; s4: spraying a heat-insulating layer, namely spraying the heat-insulating layer on the inner side of the prefabricated wall body to realize the heat-insulating effect; the step of S3 includes the steps of: s3.1: checking and cleaning, namely checking the edge of the prefabricated wall body to ensure that the edge of the plate is smooth, and cleaning the plate seam; s3.2: and (5) filling plate gaps. The invention has the following effects: the plate seam is cleaned and filled later, so that the possibility of leakage of foreign matters in the use process is reduced, the possibility of cracking and leakage is reduced, and the installation quality is improved.
Description
Technical Field
The invention relates to the technical field of external wall panel heat insulation construction, in particular to an internal heat insulation construction method of an assembled external wall panel.
Background
At present, in the middle of building engineering, the assembled wallboard can be used, and most of the existing external wallboards use ALC external wallboards. ALC is a short name for Autoclaved Lightweight Concrete (Autoclaved Lightweight Concrete), and is one of high-performance Autoclaved aerated Concrete. The ALC board is a porous concrete forming board (reinforced with processed reinforcing steel bars) which is formed by curing fly ash (or silica sand), cement, lime and the like serving as main raw materials through high-pressure steam. The ALC board can be used as a wall material and a roof board, and is a novel building material with excellent performance.
When an existing ALC external wall panel is installed, prefabricated walls need to be installed on concrete beams at intervals, then a complete wall surface is formed, and then a heat insulation layer is sprayed on the wall surface, so that the requirement of a building for energy conservation is met. When the indoor refrigeration or heating is carried out, the relatively good temperature difference can be kept between the inside and the outside, and the relative heat exchange is reduced. However, when the assembled external wall panel is installed, the prefabricated wall bodies are spliced and installed at intervals, gaps are inevitably formed between the two prefabricated wall bodies, cracking and leakage can be caused, and the installation quality is poor.
Disclosure of Invention
The invention aims to provide an internal heat insulation construction method of an assembled external wall panel, which can treat panel joints when a prefabricated wall body is installed, reduce the possibility of cracking and leakage and improve the installation quality.
The technical purpose of the invention is realized by the following technical scheme: an internal thermal insulation construction method for an assembled external wall panel comprises the following steps:
s1: building angle steel, and installing angle steel parallel to the concrete beams on the upper side and the lower side;
s2: installing the prefabricated wall body, and embedding and fixing two ends of the prefabricated wall body between the two angle steels;
s3: plate seam processing, namely sealing between two adjacent prefabricated walls, so that the possibility of cracking and leakage of the walls is reduced;
s4: spraying a heat-insulating layer, namely spraying the heat-insulating layer on the inner side of the prefabricated wall body to realize the heat-insulating effect;
the step of S3 includes the steps of:
s3.1: checking and cleaning, namely checking the edge of the prefabricated wall body to ensure that the edge of the plate is smooth, and cleaning the plate seam;
s3.2: and (5) filling plate gaps.
Through adopting above-mentioned technical scheme, when the construction, installation angle steel on concrete beam, make the angle steel be on a parallel with concrete beam, and in prefabricated wall body embedding to the angle steel, the wall that prefabricated wall body constitutes can keep parallel, after the prefabricated wall body installation finishes, in the gap between two adjacent prefabricated wall bodies, at first inspect its edge, and clear up in the board seam, fill the board seam afterwards, reduce the possibility that foreign matter reveals in the use, reduce the possibility of fracture seepage, improve the installation quality.
The invention is further provided with: said step S3.2 comprises the steps of:
s3.2.1: filling a PE rod, filling the through seams between the plates with the PE rod for plugging, wherein the PE rod is tightly filled, and no gap is left at the joint of the upper end and the lower end and the PE rod;
s3.2.2: performing plate seam treatment on the inner side of the plate, filling a caulking agent into the gap on the inner side of the plate, and compacting;
s3.2.2: plugging the outer side of the plate, constructing at an angle of 45 degrees, gluing and sealing the gap, trowelling and finishing the surface of the glue along the surface of the glue applying position by using a brush, and removing redundant glue to form a U-shaped groove;
s3.2.3: and filling the groove, and after the sealant is cured, adopting thermal insulation mortar mixed with an anti-cracking agent to fill and compact the U-shaped groove.
Through adopting above-mentioned technical scheme, when filling the PE stick to between the prefabricated wall body, the stick physical stamina is earlier better with the clearance packing, then after filling the caulking agent into the gap, can fill the inboard back of leveling up, fills the gap that the stick body can't be sealed to after the clearance between stick body and the wall body diminishes, with the area of contact increase between caulking agent and its surplus body, improve the leakproofness, and fill the heat preservation effect in the U type groove and can improve.
The invention is further provided with: step S3.2.4 follows the step S3.2.3: and (3) reinforcing the grid cloth, sticking the grid cloth on the U-shaped groove, covering the whole plate joint, cutting off the redundant grid cloth, and sticking, compacting, flattening and smoothing the redundant grid cloth by using thermal insulation mortar to be flush with the external wall panel.
Through adopting above-mentioned technical scheme, after the heat preservation mortar is smeared, paste the net cloth, can increase the adhesive force of heat preservation mortar to can reduce the possibility that the heat preservation mortar dropped, improve the stable in structure degree, further improve the leakproofness.
The invention is further provided with: the step of S1 includes the steps of:
s1.1: paying off and positioning, and paying off a position line of the guide angle steel according to a control line;
s1.2: installing a buried plate, drilling a hole in the concrete beam, and installing the buried plate on the concrete beam through an expansion bolt;
s1.3: and (4) installing angle steel, temporarily fixing the angle steel on the buried plate, and welding and fixing the angle steel after ensuring that the angle steel is parallel to the concrete beam.
Through adopting above-mentioned technical scheme, when the board is buried in the installation, can be according to the prefabricated wall body thickness of installation to the position of board is buried in the regulation, the prefabricated wall body of being convenient for imbeds to the angle steel, and the angle steel can keep keeping parallelism with the concrete beam.
The invention is further provided with: step S1.4 is also followed by step S1.3: and (4) bottom base mortar, cleaning the bottom surface of the angle steel, and paving cement mortar on the bottom surface to be flush with the protruded expansion bolt.
Through adopting above-mentioned technical scheme, before the prefabricated wall body of installation, with the angle steel bottom surface through cement mortar trowel the back, can make prefabricated wall body inlay better and establish in the angle steel, improve structural stability.
The invention is further provided with: the step S2 includes the steps of:
s2.1: drilling a prefabricated wall, wherein a first connecting hole is formed in the direction perpendicular to the prefabricated wall, the first connecting hole is positioned at two ends of the prefabricated wall, and then a second connecting hole is formed in the direction perpendicular to the prefabricated wall and communicated with the first connecting hole;
s2.2: a second connecting rod with a lantern ring at one end is arranged in the second connecting hole in a penetrating mode, then a first connecting rod is arranged in the first connecting hole in a penetrating mode, the first connecting rod penetrates through the lantern ring, the first connecting rod and the lantern ring are connected, and the second connecting rod is connected with a positioning plate in a sliding mode in a positioning mode;
s2.3: the two ends of the prefabricated wall body are respectively embedded in the angle steels on the two sides, and then the positioning plate is slid to enable the two ends of the positioning plate to respectively abut against the prefabricated wall body and the angle steels.
Through adopting above-mentioned technical scheme, with in the head rod embedding to the first connecting hole, the head rod will wear to establish in the second connecting hole simultaneously, and the head rod will pass the lantern ring of second connecting rod this moment, and after the locating plate slided on the second connecting rod and supported tightly on the angle steel, the head rod will order about prefabricated wall body and support tightly for prefabricated wall body can arrange neatly on the concrete beam.
The invention is further provided with: the second connecting rod is internally embedded with a guide sleeve, the inner wall of the guide sleeve is provided with at least two guide strips along the length direction of the guide sleeve, and the outer wall of the second connecting rod is provided with a guide groove for embedding the guide strips along the length direction of the outer wall of the second connecting rod.
Through adopting above-mentioned technical scheme, before inserting the second connecting rod, in embedding the uide bushing to the second connecting hole earlier for two gib blocks keep parallel state, make the lantern ring when embedding to the first connecting hole, can keep parallel state, the head rod of being convenient for inserts.
The invention is further provided with: the positioning plate comprises a first plate, a bending plate and a second plate, wherein the first plate is connected with one end of a second connecting rod and used for abutting against the prefabricated wall body, the bending plate is vertically arranged on one side of the first plate, the second plate is vertically arranged on one side of the bending plate, far away from the first plate, and used for abutting against the angle steel, and the first plate and the second plate are respectively positioned on two sides of the bending plate.
Through adopting above-mentioned technical scheme, when the locating plate slided towards angle steel one side, the second board will support tightly on the locating plate, and the first board will support tightly on prefabricated wall body, and the bent plate will be located one side of angle steel for the locating plate can laminate the junction of angle steel and prefabricated wall body, improves fastening effect.
The invention is further provided with: the step S4 includes the steps of:
s4.1: base layer treatment, wherein dust, oil stain, cement mortar falling objects, steel bar joints and the like on the surface of the base layer are checked and cleaned;
s4.2: coating a damp-proof primer, and coating the damp-proof primer on one side of the prefabricated wall;
s4.3: installing a horizontal keel, and installing the horizontal keel on the angle steel on the upper side and the lower side;
s4.4: and spraying a heat-insulating layer, namely spraying polyurethane on the surface of the prefabricated wall body to form the heat-insulating layer.
Through adopting above-mentioned technical scheme, after setting up the dampproofing course, can improve the dampproofing and waterproofing's of whole wall effect to reduce the influence to the heat preservation, extension heat preservation effect duration can improve the heat preservation effect when smearing polyurethane again.
The invention is further provided with: step S4.3.1 follows step S4.3: and a plurality of vertical keels vertically arranged at intervals are arranged between the two horizontal keels.
Through adopting above-mentioned technical scheme, after the interval sets up vertical keel between horizontal keel, fix the back with vertical keel for a plurality of regions are separated into to the wall, and when the heat preservation spraying to between two adjacent vertical keels, the heat preservation downside and prefabricated wall connection, heat preservation week side links to each other with horizontal keel and vertical keel, has reduced the weight that reduces single region, reduces the possibility that the heat preservation drops, improves stability.
In conclusion, the beneficial technical effects of the invention are as follows:
1. after the prefabricated walls are installed, gaps between two adjacent prefabricated walls are filled with the PE rods, the caulking agents and the thermal insulation mortar are sequentially filled, and the grid cloth is pasted on the U-shaped groove, so that the possibility of leakage of external substances in the use process is reduced, the possibility of cracking and leakage is reduced, and the installation quality is improved;
2. through the first connecting rod and the second connecting rod, two ends of the positioning plate are respectively abutted against the angle steel and the prefabricated wall body, so that the prefabricated wall body can form a better wall surface after being installed;
3. through set up vertical keel between horizontal keel, can separate into a plurality of regions with the wall, the heat preservation downside and prefabricated wall connection, heat preservation week side links to each other with horizontal keel and vertical keel, has reduced the weight that reduces single region, reduces the possibility that the heat preservation drops, improves stability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention with the horizontal and vertical keels hidden;
FIG. 3 is a partial schematic view of FIG. 2 with a prefabricated wall hidden;
FIG. 4 is a partial cross-sectional view of a prefabricated wall;
FIG. 5 is an enlarged view of portion B of FIG. 4, showing the first and second connecting rods;
FIG. 6 is a schematic view showing the connection relationship between the second connecting rod and the guide sleeve;
FIG. 7 is a schematic structural diagram of two adjacent prefabricated walls for showing PE rods;
fig. 8 is a schematic view of the connection between the vertical keel and the positioning block;
FIG. 9 is an enlarged view of portion A of FIG. 1 to show the retaining bar;
fig. 10 is a partial exploded view of the drive assembly.
Reference numerals: 100. a concrete beam; 110. angle steel; 111. burying a plate; 112. an expansion bolt; 120. prefabricating a wall body; 121. a first connection hole; 122. a second connection hole; 123. a first connecting rod; 124. a second connecting rod; 125. a collar; 130. positioning a plate; 131. a first plate; 132. a bending plate; 133. a second plate; 134. a first waist-shaped groove; 135. positioning the bolt; 136. a barrier ring; 140. a guide sleeve; 141. a guide strip; 142. a guide groove; 143. a containing groove; 150. a PE rod; 152. mesh cloth; 160. a horizontal keel; 161. a vertical keel; 170. positioning blocks; 171. positioning a groove; 172. fixing the bolt; 173. a countersunk hole; 180. fixing the rod; 181. a fixing plate; 182. an adjusting block; 190. a drive assembly; 191. a drive block; 192. a threaded rod; 193. twisting the block; 194. penetrating a groove; 195. caulking grooves; 196. a limiting square block; 197. a limiting groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
An internal thermal insulation construction method for an assembled external wall panel comprises the following steps:
s1: building angle steel 110, and referring to fig. 1 and 2, installing angle steel 110 parallel to concrete beams 100 on the upper and lower sides;
the method specifically comprises the following steps:
s1.1: paying off and positioning, namely paying off a position line of the guide angle steel 110 according to a control line with reference to fig. 2 and 3;
s1.2: installing a buried plate 111, drilling a hole in the concrete beam 100, and installing the buried plate 111 on the concrete beam 100 through expansion bolts 112;
s1.3: installing angle steel 110, temporarily fixing the angle steel on the buried plate 111, and welding and fixing the angle steel 110 after ensuring that the angle steel is parallel to the concrete beam 100;
s1.4: bottom setting grout cleans the bottom surface of the angle steel 110, and cement mortar is laid on the bottom surface to be flush with the protruded expansion bolts 112.
S2: installing a prefabricated wall 120, so that two ends of the wall are embedded between the two angle steels 110 and are fixed;
the method specifically comprises the following steps:
s2.1: drilling a prefabricated wall 120, and referring to fig. 4 and 5, forming a first connecting hole 121 in a direction perpendicular to the prefabricated wall 120, wherein the first connecting hole 121 is located at two ends of the prefabricated wall 120, and then forming a second connecting hole 122 in a direction perpendicular to the prefabricated wall 120, wherein the second connecting hole 122 is communicated with the first connecting hole 121;
s2.2: a second connecting rod 124 with a collar 125 at one end is inserted into the second connecting hole 122, and then a first connecting rod 123 is inserted into the first connecting hole 121, so that the first connecting rod 123 passes through the collar 125, thereby connecting the two, and the second connecting rod 124 is connected with a positioning plate 130 in a positioning and sliding manner;
s2.3: the two ends of the prefabricated wall 120 are respectively embedded in the angle steels 110 at the two sides, and then the positioning plate 130 is slid to make the two ends of the prefabricated wall 120 and the angle steels 110 respectively abut against each other.
Referring to fig. 5 and 6, a guide sleeve 140 is embedded in the second connecting hole 122, at least two guide bars 141 are arranged on the inner wall of the guide sleeve 140 along the length direction thereof, and a guide groove 142 for the guide bars 141 to be embedded is arranged on the outer wall of the second connecting rod 124 along the length direction thereof. Meanwhile, the inner walls of the two opposite sides of the guide sleeve 140 are further provided with accommodating grooves 143 for the collar 125 to pass through, and the connecting line direction of the two accommodating grooves 143 is perpendicular to the connecting direction of the two guide strips 141.
When the guide sleeve 140 is inserted, the two guide bars 141 are inserted in a direction perpendicular to the ground, so that the sleeve 125 can be inserted in a parallel state, and at this time, the first connecting rod 123 is introduced into the first connecting hole 121, so that the first connecting rod 123 can conveniently pass through the sleeve 125.
Furthermore, the positioning plate 130 in this embodiment includes a first plate 131 connected to one end of the second connecting rod 124 and used for abutting against the prefabricated wall 120, a bending plate 132 vertically disposed on one side of the first plate 131, and a second plate 133 vertically disposed on one side of the bending plate 132 away from the first plate 131 and used for abutting against the angle steel 110, wherein the first plate 131 and the second plate 133 are respectively located on two sides of the bending plate 132. A first waist-shaped groove 134 is formed in the first plate 131, one end of the second connecting rod 124 penetrates through the first waist-shaped groove 134, and one end of the second connecting rod 124 is in threaded connection with a positioning bolt 135 which tightly supports the second plate 133 on the angle steel 110. Meanwhile, the second connecting rod 124 is sleeved with a blocking ring 136, and the blocking ring 136 is located between the first plate 131 and the positioning bolt 135.
Subsequently, S3: plate seam processing, referring to fig. 7, sealing processing is performed between two adjacent prefabricated walls 120, so that the possibility of wall cracking and leakage is reduced; the method specifically comprises the following steps:
s3.1: checking and cleaning, namely checking the edge of the prefabricated wall body 120 to ensure that the edge of the plate is smooth, and cleaning the plate seam;
s3.2: and (5) filling plate gaps. Step S3.2 comprises the following steps:
s3.2.1: filling the PE rods 150, filling the through gaps between the plates with the PE rods 150 for blocking, tightly filling the PE rods 150, and leaving no gap at the joint of the upper end and the lower end of the PE rods 150;
s3.2.2: performing plate seam treatment on the inner side of the plate, filling a caulking agent into the gap on the inner side of the plate, and compacting;
s3.2.2: plugging the outer side of the plate, constructing at an angle of 45 degrees, gluing and sealing the gap, trowelling and finishing the surface of the glue along the surface of the glue applying position by using a brush, and removing redundant glue to form a U-shaped groove;
s3.2.3: filling the groove, and after the sealant is cured, adopting thermal insulation mortar mixed with an anti-cracking agent to fill and compact the U-shaped groove;
s3.2.4: and reinforcing the grid cloth 152, sticking the grid cloth 152 on the U-shaped groove, covering the whole plate joint, cutting off the redundant grid cloth 152, and sticking, compacting, flattening and smoothing the residual grid cloth 152 by using thermal insulation mortar to be flush with the external wall plate.
S4: spraying a heat insulation layer, namely spraying the heat insulation layer on the inner side of the prefabricated wall body 120 to realize the heat insulation effect; the method comprises the following steps:
s4.1: base layer treatment, wherein dust, oil stain, cement mortar falling objects, steel bar joints and the like on the surface of the base layer are checked and cleaned;
s4.2: painting a damp-proof primer, and painting the damp-proof primer on one side of the prefabricated wall 120;
s4.3: installing a horizontal keel 160, and installing the horizontal keel 160 on the angle steel 110 at the upper and lower sides;
s4.3.1: referring to fig. 1 and 8, a plurality of vertical keels 161 vertically arranged at intervals are arranged between two horizontal keels 160; vertical keel 161 evenly sets up at the interval between two horizontal keels 160, evenly the interval is provided with a plurality of locating pieces 170 on the relative one side of two horizontal keels 160, positioning groove 171 has been seted up to the relative one side of upper and lower both sides locating piece 170, vertical keel 161 both ends are inlayed respectively and are established in two positioning grooves 171, and the positioning groove 171 tank bottom is equipped with fixing bolt 172, the counter sink 173 that supplies fixing bolt 172 embedding is seted up to positioning groove 171 tank bottom simultaneously, make vertical keel 161 both ends can the butt on the positioning groove 171 tank bottom.
Referring to fig. 1 and 9, a fixing rod 180 penetrates through the vertical keel 161, the cross section of the fixing rod 180 is trapezoidal, and one side of the bottom surface of the fixing rod 180 is arranged toward one side of the prefabricated wall 120. On prefabricated wall body 120 and be located vertical keel 161 both sides and all be fixed with the fixed plate 181 through the bolt, two fixed plate 181 relative one side is fixed integrative and is provided with regulating block 182, be provided with on prefabricated wall body 120 and be used for driving about dead lever 180 towards the drive assembly 190 of prefabricated wall body 120 one side motion, drive assembly 190 includes that the direction along perpendicular to prefabricated wall body 120 slides and connects on regulating block 182 and support the drive block 191 on dead lever 180, set up on regulating block 182 and wear to establish threaded rod 192 on drive block 191, and threaded connection just is used for conflicting the piece 193 of twisting on drive block 191 on threaded rod 192.
Referring to fig. 10, a through groove 194 for embedding the fixing rod 180 is formed in one side of the driving block 191 facing the prefabricated wall 120, two threaded rods 192 are arranged and located on two sides of the fixing rod 180, two ends of the adjusting block 182 are both provided with an embedded groove 195 for embedding one end of the threaded rod 192, meanwhile, one end of the threaded rod 192 embedded in the embedded groove 195 is integrally provided with a limiting block 196, and a limiting groove 197 for embedding the limiting block 196 is formed in the inner wall of the accommodating groove 143. When the prefabricated wall is installed, one end of the threaded rod 192 is embedded into the embedding groove 195, the limiting block 196 is embedded into the limiting groove 197, the driving block 191 is arranged on the threaded rod 192 in a penetrating mode, the fixing rod 180 penetrates through the penetrating groove 194 at the moment, and when the screwing block 193 is screwed down, the driving block 191 drives the fixing rod 180 to move towards one side of the prefabricated wall 120, so that the vertical keel 161 is abutted against the prefabricated wall 120.
And finally S4.4: and (3) spraying an insulating layer (not shown in the figure), and spraying polyurethane on the surface of the prefabricated wall body 120 to form the insulating layer. The heat preservation in this embodiment is formed by the spraying of stereoplasm foaming polyurethane, fixes back with vertical keel 161 for a plurality of regions are separated into to the wall, and when the heat preservation spraying between to two adjacent vertical keel 161, the heat preservation downside is connected with prefabricated wall 120, and heat preservation week side links to each other with horizontal keel 160 and vertical keel 161, has reduced the weight that reduces single region, reduces the possibility that the heat preservation drops, improves stability.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. An internal thermal insulation construction method for an assembled external wall panel is characterized in that: the method comprises the following steps:
s1: building angle steel (110), and installing the angle steel (110) parallel to the concrete beam (100) on the concrete beams (100) on the upper side and the lower side;
s2: installing the prefabricated wall body (120) to enable two ends of the prefabricated wall body (120) to be embedded between the two angle steels (110) and fixing the two angle steels;
s3: plate seam processing, namely sealing between two adjacent prefabricated walls (120) to reduce the possibility of cracking and leakage of the walls;
s4: spraying an insulating layer, wherein the insulating layer is sprayed on the inner side of the prefabricated wall body (120) to realize the insulating effect;
the step of S3 includes the steps of:
s3.1: checking and cleaning, namely checking the edge of the prefabricated wall body (120), ensuring the edge of the plate to be smooth, and cleaning the plate seam;
s3.2: and (5) filling plate gaps.
2. The internal thermal insulation construction method of the fabricated external wall panel according to claim 1, characterized in that: said step S3.2 comprises the steps of:
s3.2.1: filling the PE rods (150), filling the gaps between the plates with the PE rods (150) for plugging, densely filling the PE rods (150), and leaving no gap at the joint of the upper end and the lower end of the PE rods (150);
s3.2.2: performing plate seam treatment on the inner side of the plate, filling a caulking agent into the gap on the inner side of the plate, and compacting;
s3.2.2: plugging the outer side of the plate, constructing at an angle of 45 degrees, gluing and sealing the gap, trowelling and finishing the surface of the glue along the surface of the glue applying position by using a brush, and removing redundant glue to form a U-shaped groove;
s3.2.3: and filling the groove, and after the sealant is cured, adopting thermal insulation mortar mixed with an anti-cracking agent to fill and compact the U-shaped groove.
3. The internal thermal insulation construction method of the fabricated external wall panel as claimed in claim 2, wherein: step S3.2.4 follows the step S3.2.3: reinforcing the grid cloth (152), adhering the grid cloth (152) on the U-shaped groove to cover the whole plate joint, cutting off the redundant grid cloth (152), and adhering, compacting, flattening and smoothing the redundant grid cloth (152) by using thermal insulation mortar to be level with the external wall plate.
4. The internal thermal insulation construction method of the fabricated external wall panel according to claim 1, characterized in that: the step of S1 includes the steps of:
s1.1: paying off and positioning, namely paying off a position line of the guide angle steel (110) according to a control line;
s1.2: installing a buried plate (111), drilling a hole on the concrete beam (100), and installing the buried plate (111) on the concrete beam (100) through an expansion bolt (112);
s1.3: and installing angle steel (110), temporarily fixing the angle steel on the buried plate (111), ensuring that the angle steel (110) is parallel to the concrete beam (100), and then welding and fixing.
5. The internal thermal insulation construction method of the fabricated external wall panel as claimed in claim 4, wherein: step S1.4 is also followed by step S1.3: and (3) bottom setting slurry, cleaning the bottom surface of the angle steel (110), and paving cement mortar on the bottom surface to be flush with the protruded expansion bolt (112).
6. The internal thermal insulation construction method of the fabricated external wall panel according to claim 1, characterized in that: the step S2 includes the steps of:
s2.1: drilling a prefabricated wall body (120), forming a first connecting hole (121) in the direction perpendicular to the prefabricated wall body (120), wherein the first connecting hole (121) is positioned at two ends of the prefabricated wall body (120), then forming a second connecting hole (122) in the direction perpendicular to the prefabricated wall body (120), and the second connecting hole (122) is communicated with the first connecting hole (121);
s2.2: a second connecting rod (124) with a lantern ring (125) at one end is arranged in the second connecting hole (122) in a penetrating mode, then a first connecting rod (123) is arranged in the first connecting hole (121) in a penetrating mode, the first connecting rod (123) penetrates through the lantern ring (125) to achieve connection of the first connecting rod and the second connecting rod, and the second connecting rod (124) is connected with a positioning plate (130) in a positioning and sliding mode;
s2.3: two ends of the prefabricated wall body (120) are respectively embedded in the angle steels (110) at two sides, and then the positioning plate (130) is slid to enable the two ends to respectively abut against the prefabricated wall body (120) and the angle steels (110).
7. The internal thermal insulation construction method of the fabricated external wall panel as claimed in claim 6, wherein: the embedded uide bushing (140) that is equipped with of second connecting hole (122), be provided with along its length direction on uide bushing (140) inner wall and be no less than two gib blocks (141), set up guide way (142) that supply gib block (141) embedding along its length direction on the outer wall of second connecting rod (124).
8. The internal thermal insulation construction method of the fabricated external wall panel as claimed in claim 7, wherein: the positioning plate (130) comprises a first plate (131) which is connected with one end of the second connecting rod (124) and used for abutting against the prefabricated wall body (120), a bending plate (132) which is vertically arranged on one side of the first plate (131), and a second plate (133) which is vertically arranged on one side of the bending plate (132) far away from the first plate (131) and used for abutting against the angle steel (110), wherein the first plate (131) and the second plate (133) are respectively positioned on two sides of the bending plate (132).
9. The internal thermal insulation construction method of the fabricated external wall panel according to claim 1, characterized in that: the step S4 includes the steps of:
s4.1: base layer treatment, wherein dust, oil stain, cement mortar falling objects, steel bar joints and the like on the surface of the base layer are checked and cleaned;
s4.2: coating a damp-proof primer, and coating the damp-proof primer on one side of the prefabricated wall (120);
s4.3: a horizontal keel (160) is installed, and the horizontal keel (160) is installed on the angle steel (110) at the upper side and the lower side;
s4.4: and (3) spraying a heat-insulating layer, wherein polyurethane is sprayed on the surface of the prefabricated wall body (120) to form the heat-insulating layer.
10. The internal thermal insulation construction method of the fabricated external wall panel according to claim 9, wherein: step S4.3.1 follows step S4.3: and a plurality of vertical keels (161) vertically arranged at intervals are arranged between the two horizontal keels (160).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115370184A (en) * | 2022-09-30 | 2022-11-22 | 湖南金格建筑科技有限公司 | Prefabricated wall body reinforcement of assembled building new material |
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