CN107351222B - Special-shaped column type prefabricated sandwich heat-insulating light wallboard and manufacturing method thereof - Google Patents
Special-shaped column type prefabricated sandwich heat-insulating light wallboard and manufacturing method thereof Download PDFInfo
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- CN107351222B CN107351222B CN201710764597.0A CN201710764597A CN107351222B CN 107351222 B CN107351222 B CN 107351222B CN 201710764597 A CN201710764597 A CN 201710764597A CN 107351222 B CN107351222 B CN 107351222B
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- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 239000010410 layer Substances 0.000 claims abstract description 103
- 239000004567 concrete Substances 0.000 claims abstract description 73
- 238000004321 preservation Methods 0.000 claims abstract description 59
- 239000011241 protective layer Substances 0.000 claims abstract description 19
- 238000005266 casting Methods 0.000 claims abstract description 7
- 206010066054 Dysmorphism Diseases 0.000 claims abstract 5
- 229910000831 Steel Inorganic materials 0.000 claims description 84
- 239000010959 steel Substances 0.000 claims description 84
- 238000009413 insulation Methods 0.000 claims description 16
- 230000002787 reinforcement Effects 0.000 claims description 9
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000007605 air drying Methods 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 229920006389 polyphenyl polymer Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
- B28B23/12—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed to form prestressed circumferential reinforcements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/38—Treating surfaces of moulds, cores, or mandrels to prevent sticking
- B28B7/384—Treating agents
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The utility model provides a prefabricated sandwich heat preservation lightweight wallboard of dysmorphism column type and its preparation method, the wallboard includes atress structural layer, plate body heat preservation and heat preservation protective layer, atress structural layer includes the close post portion of T type, the close post portion of T type dysmorphism includes perpendicular portion and horizontal portion, atress structural layer still includes the close post portion of post casting concrete, form the recess between the inboard of heat preservation protective layer and the close post of T type dysmorphism, this recess includes heat preservation filling slot and the back casting concrete piece filling slot that form between heat preservation protective layer and the close post portion of T type dysmorphism, plate body heat preservation is filled into the heat preservation filling slot, the back casting concrete piece portion is pour in the upside of plate body heat preservation, the back casting concrete piece filling slot, the close post portion of T type includes close post atress reinforcing bar and close post concrete, be equipped with horizontal connection reinforcing bar in the horizontal portion. Aiming at the technical requirement of structural heat preservation integration, the invention avoids a series of problems of the prefabricated sandwich plate used at present, solves the defects of the sandwich wall plate, and is suitable for low-rise and multi-storey assembled houses.
Description
Technical Field
The invention belongs to the field of prefabricated building components, and particularly relates to a special-shaped column type prefabricated sandwich heat-insulating wall and a manufacturing method thereof.
Background
With the rapid development of energy-saving technology of buildings, the energy-saving requirements of people on the buildings are increasingly improved, and the energy-saving requirements of the buildings are higher as an emerging residential industrialization mode. The assembled building at the present stage is rapid in development, and has more important significance and value for popularization of the assembled building in vast rural areas and towns.
The traditional rural low-rise residence only considers the basic functions of shielding wind and rain of the building residence in the design stage, but does not consider the energy conservation of the building and the loss of heating energy consumption in winter. The energy consumption of the unit area wallboard of the building enclosure structure of China is 3-4 times that of the developed country, and the energy consumption in winter is 4-5 times that of the developed country with similar climate. Although the energy-saving composite wallboard suitable for low-rise assembled houses is developed in China at the present stage, the development of the prefabricated composite energy-saving wallboard is hindered because the assembled building in China starts late. The prefabricated composite energy-saving wallboard adopted in China at the present stage mainly introduces a foreign sandwich technology and is improved on the basis of the foreign sandwich technology, and is not completely suitable for the residence in China due to the introduction technology, and the following defects are particularly caused:
the prefabricated sandwich wallboard has great weight; the connection performance of the sandwich plate and the outer leaf plate needs to be improved, the heat preservation protection layer in the sandwich wallboard can generate durability problems along with the time to cause falling, the usage amount of the single prefabricated sandwich wallboard connecting piece is large, and the cost of the prefabricated wallboard is further increased.
Aiming at the 'four-section one-environmental protection' of the building proposed in China at the present stage, the self energy-saving performance of the wallboard is improved and the construction process is reduced while the assembled building is developed, so that the development of the assembled building integrating heat preservation and bearing into a whole for the prefabricated wallboard to be pushed into rural areas and towns is particularly important.
Disclosure of Invention
The invention aims to provide a special-shaped column type prefabricated sandwich heat-insulating light wallboard and a manufacturing method thereof, and aims to solve the technical problems of large self weight, falling off of a protective layer of a heat-insulating layer, large consumption of a drawknot piece, high cost and extremely low manufacturing efficiency of the traditional prefabricated sandwich wallboard.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a special-shaped column type prefabricated sandwich heat-insulating light wallboard comprises a board body, wherein the board body comprises a stress structure layer, a board body heat-insulating layer and a heat-insulating protective layer,
the stress structure layer comprises an inner side protruding out of the heat insulation protection layer and a T-shaped dense column part integrally cast with the heat insulation protection layer, a group of T-shaped dense column parts are arranged at intervals in parallel along the width direction of the plate body, the T-shaped dense column parts comprise vertical parts and transverse parts, the bottom ends of the vertical parts are connected with the heat insulation protection layer, the stress structure layer further comprises post-cast concrete block parts,
a groove is formed between the inner side of the heat preservation protection layer and the T-shaped dense column part, the groove comprises a heat preservation layer filling groove formed between the heat preservation protection layer and the vertical part, the size of the plate heat preservation layer is matched with the size of the heat preservation layer filling groove, the plate heat preservation layer is filled in the heat preservation layer filling groove, two ends of the plate heat preservation layer are clamped at the folding angle formed by the T-shaped dense column part and the heat preservation protection layer,
the groove also comprises a post-pouring concrete block filling groove between the transverse parts, the post-pouring concrete block part is poured on the upper side of the plate body heat preservation layer and in the post-pouring concrete block filling groove by taking the plate body heat preservation layer as a template, the thickness of the post-pouring concrete block part is equal to the thickness of the post-pouring concrete block filling groove, the outer side surface of the post-pouring concrete block part is level with the outer side surface of the transverse part,
the T-shaped dense column part comprises dense column stress steel bars and dense column concrete, horizontal connecting steel bars which transversely penetrate through the plate body and connect the horizontal part with post-cast concrete block parts are arranged in the horizontal part, two sides of the horizontal connecting steel bars, which extend out of the plate body, form beard bars, the dense column stress steel bars are located in the horizontal part, and the horizontal connecting steel bars are fixedly connected with the dense column stress steel bars.
The plate body is internally provided with two horizontal hidden beams positioned at the upper end part and the lower end part of the plate body, the horizontal hidden beams are arranged along the width direction of the plate body, the length of each horizontal hidden beam is not greater than the width of the plate body, each horizontal hidden beam comprises a hidden beam reinforcement cage and hidden beam concrete, the hidden beam reinforcement cage transversely penetrates through the transverse part, and the hidden beam concrete and the dense column concrete are formed by casting at one time.
The post-cast concrete block is made of lightweight aggregate concrete.
The board body heat preservation is polyphenyl board, extruded sheet or phenolic foam board.
The heat preservation protective layer is a reinforced concrete layer, and transverse and longitudinal double-layer steel bars or steel bar meshes are arranged in the heat preservation protective layer.
The manufacturing method of the special-shaped column type prefabricated sandwich heat-insulating light wallboard comprises the following manufacturing steps:
step one, manufacturing a die with the same size as the heat-insulating layer filling slot according to the designed size of the plate body of the special-shaped column type prefabricated sandwich heat-insulating light wallboard, wherein a steel bar perforation which is suitable for a horizontal connecting steel bar is arranged on the die;
cutting the heat-insulating plate of the heat-insulating layer of the plate body according to the size of the heat-insulating layer filling groove;
step three, cleaning the die table, and brushing a release agent on the inner side of the die table;
binding reinforcing steel bars in the heat preservation and protection layer or placing reinforcing steel meshes;
fifthly, paving heat-insulating plates according to the elevation position of the heat-insulating layer of the plate body to form a heat-insulating layer of the wallboard;
binding the stress steel bars of the dense columns and the hidden beam steel bar cages, and connecting the stress steel bars of the dense columns, the hidden beam steel bar cages and the steel bars in the fourth step into a whole;
step seven, placing the die manufactured in the step one at the position of forming the heat-insulating layer filling groove in the die table, then inserting the horizontal connecting steel bars into the steel bar perforation, then placing a vertical steel bar with the same height direction as the wall body at the junction of the horizontal connecting steel bars and the steel bar perforation, binding and fixing the vertical steel bars and the horizontal connecting steel bars, and finally binding, connecting and fixing the horizontal connecting steel bars and the sealing column stress steel bars;
pouring dense column concrete into the mold table, and performing vibration molding to meet the compactness requirement and form a stress structure layer of the plate body;
step nine, removing the mould in the step six to form a groove after the time interval is not more than 40 minutes before the concrete reaches the initial setting;
step ten, according to the plate body design of the special-shaped column type prefabricated sandwich heat-insulating light wallboard, placing transverse and longitudinal steel bars in the filling grooves of the post-pouring concrete blocks, and then welding or binding and fixing the horizontal connecting steel bars exposed out of the filling grooves of the post-pouring concrete blocks with the transverse and longitudinal steel bars of the part;
step eleven, pouring concrete into the filling groove of the post-pouring concrete block in the step ten, and performing vibration molding to meet the compactness requirement;
and twelve, demolding the board body after maintaining for 24 hours, and then naturally air-drying.
The mold comprises a first mold and a second mold used in pairs,
the first die is a groove type and comprises a first groove bottom plate and two first groove side plates, one side of the first groove bottom plate is provided with first strip-shaped blind holes which are arranged at intervals along the length direction of the first groove bottom plate, the first groove side plates are provided with first fixing holes which are fixedly connected with the die table for use,
the second die is a groove type and comprises a second groove bottom plate and two second groove side plates, one side of the second groove bottom plate is provided with second strip-shaped blind holes which are arranged at intervals along the length direction of the second groove bottom plate, the second groove side plates are provided with second fixing holes which are fixedly connected with the die table,
the second mould card is in first mould, and the upside of first groove bottom plate is laminated to the second tank bottom plate, and the inboard of first groove side plate is laminated to the second ledge board, and the trompil opposite direction of first bar blind hole and second bar blind hole, the size of first bar blind hole suits and aligns with the blind hole of second bar, forms the reinforcing bar perforation that the horizontal connecting reinforcement passed respectively between the front and back blind hole, and first fixed orifices 84 are aligned with second fixed orifices 94 shown.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
aiming at the technical requirement of structural heat preservation integration, the invention avoids a series of problems of the prefabricated sandwich plate used at present, designs the structural heat preservation integration assembled external wall panel, solves the defects of the sandwich plate, and is suitable for low-rise and multi-layer assembled houses.
The invention innovatively designs the heat-insulating protection plate integrally cast with the structural layer, and the reinforcing steel bar net sheet is arranged in the protection plate, so that the stress is good, the durability is fundamentally improved, and the falling off is prevented.
The wallboard disclosed by the invention has the advantages of low cost and convenience in manufacturing, the structural layer is designed to be special-shaped, the structural layer adopts ordinary concrete and lightweight aggregate concrete which are poured in a layered manner, the middle heat-insulating layer plate is buckled at the T-shaped folded angle of the special-shaped column, the problem that a large number of drawknot pieces are adopted in the traditional sandwich wallboard is skillfully avoided, the cost is reduced, the heat-insulating layer is buried between the structural layer and the protective layer to obtain double protection, the fireproof performance is improved due to the fact that the heat-insulating plate is embedded in the sandwich, and the wallboard has the advantage that the structure is heat-insulating and integrated and no drawknot pieces are adopted, so that the construction is more convenient.
The structural layer of the prefabricated wallboard adopts a special-shaped column stress form, and the structural layer and the heat preservation protective layer are connected together through the connection form of the reinforcing steel bars, so that the integrity and the bearing capacity of the wallboard are improved. The lightweight aggregate concrete is poured between the special-shaped columns, so that the dead weight of the wall is reduced; meanwhile, the horizontal hidden beam is additionally arranged to bear horizontal force, so that the stress performance of the wallboard is improved, the rigidity of the wall is increased, and the earthquake resistance is improved.
The plate manufacturing process is simple and feasible, the prefabrication work can be completed by using the groove die formed by the designed special-shaped columns at intervals, and the method is convenient to popularize and use. The invention is generally applicable to low-rise and multi-storey houses.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic view of the structure of the plate body of the present invention.
Fig. 2 is a schematic diagram of the structure of the T-shaped dense column portion and the thermal insulation protection layer thereof in fig. 1.
Fig. 3 is a schematic diagram showing the assembly of the T-shaped dense column part, the heat insulating protective layer, the heat insulating layer of the plate body and the post-cast concrete block part in fig. 1.
Fig. 4 is a schematic structural view of the first mold.
Fig. 5 is a schematic structural view of the second mold.
Fig. 6 is a schematic view of the mold assembly.
Reference numerals: the concrete slab comprises a 1-stress structural layer, a 11-T-shaped dense column part, a 111-vertical part, a 112-transverse part, a 12-post-pouring concrete block part, a 2-plate body heat preservation layer, a 3-heat preservation protection layer, 4-horizontal connecting steel bars, 5-heat preservation layer filling grooves, 6-post-pouring concrete block filling grooves, 7-hidden beam reinforcement cages, 8-first dies, 81-first groove bottom plates, 82-first groove side plates 2, 83-first strip-shaped blind holes, 84-first fixing holes, 9-second dies, 91-second groove bottom plates, 92-second groove side plates 2, 93-second strip-shaped blind holes, 94-second fixing holes and 10-steel bar perforation.
Detailed Description
1-3, the special-shaped column type prefabricated sandwich heat-insulating light wallboard comprises a board body, wherein the board body comprises a stress structure layer 1, a board body heat-insulating layer 2 and a heat-insulating protective layer 3.
The stress structure layer comprises an inner side protruding out of the heat preservation protective layer 3 and a T-shaped dense column part 11 integrally cast with the heat preservation protective layer 3, a group of T-shaped dense column parts are arranged at intervals in parallel along the width direction of the plate body, the T-shaped dense column part 11 comprises a vertical part 111 and a transverse part 112, the bottom end of the vertical part 111 is connected with the heat preservation protective layer 3, and the stress structure layer further comprises a post-cast concrete block part 12.
The groove is formed between the inner side of the thermal insulation protection layer 3 and the T-shaped dense column part 11, the groove comprises a thermal insulation layer filling groove 5 formed between the thermal insulation protection layer 3 and the vertical part 111, the size of the plate thermal insulation layer 2 is matched with the size of the thermal insulation layer filling groove 5, the plate thermal insulation layer 2 is filled in the thermal insulation layer filling groove 5, and two ends of the plate thermal insulation layer 2 are clamped at the folded angle formed by the T-shaped dense column part 11 and the thermal insulation protection layer 3.
The groove further comprises post-pouring concrete block filling grooves 6 between the transverse parts 112, the post-pouring concrete block parts 12 are poured on the upper side of the plate body heat preservation layer 2 and in the post-pouring concrete block filling grooves 6 by taking the plate body heat preservation layer 2 as a template, the thickness of the post-pouring concrete block parts 12 is equal to that of the post-pouring concrete block filling grooves 6, and the outer side surfaces of the post-pouring concrete block parts 12 are flush with the outer side surfaces of the transverse parts 112.
The T-shaped dense column part comprises dense column stress steel bars and dense column concrete, a horizontal connecting steel bar 4 which transversely penetrates through the plate body and connects the horizontal part 112 with the post-cast concrete block part 12 is arranged in the horizontal part 112, two sides of the horizontal connecting steel bar 4, which extend out of the plate body, form beard bars, the dense column stress steel bars are all positioned in the horizontal part, and the horizontal connecting steel bars are fixedly connected with the dense column stress steel bars.
The plate body is internally provided with two horizontal hidden beams positioned at the upper end part and the lower end part of the plate body, the horizontal hidden beams are arranged along the width direction of the plate body, the length of each horizontal hidden beam is not greater than the width of the plate body, each horizontal hidden beam comprises a hidden beam reinforcement cage 7 and hidden beam concrete, the hidden beam reinforcement cage 7 transversely penetrates through the transverse part 112, and the hidden beam concrete and the dense column concrete are formed by casting at one time.
In this embodiment, the post-cast concrete block is made of lightweight aggregate concrete. The board body heat preservation is polyphenyl board, extruded sheet or phenolic foam board. The heat preservation protective layer is a reinforced concrete layer, and transverse and longitudinal double-layer steel bars or steel bar meshes are arranged in the heat preservation protective layer.
In the embodiment, the thickness x length x width of the close-column type prefabricated sandwich heat-insulating light wallboard is 200mm x 3000mm, the thickness of the heat-insulating protective layer is 40mm, the thickness of the post-cast concrete block part is 100mm, and the thickness of the board heat-insulating layer is 60mm.
The manufacturing method of the special-shaped column type prefabricated sandwich heat-insulating light wallboard comprises the following manufacturing steps:
step one, according to the design size of the plate body of the special-shaped column type prefabricated sandwich heat-insulating light wallboard, a die with the same size as the heat-insulating layer filling groove 5 is manufactured, and a steel bar perforation which is suitable for the horizontal connecting steel bar 4 is arranged on the die.
And step two, cutting the heat-insulating plate of the plate heat-insulating layer 2 according to the size of the heat-insulating layer filling groove 5.
Step three, cleaning the die table, and brushing a release agent on the inner side of the die table.
And step four, binding reinforcing steel bars in the heat preservation and protection layer or placing reinforcing steel bar meshes.
And fifthly, paving heat-insulating plates according to the elevation position of the heat-insulating layer of the plate body to form the heat-insulating layer of the wallboard.
Binding the stress steel bars of the dense columns and the hidden beam steel bar cages, and connecting the stress steel bars of the dense columns, the hidden beam steel bar cages and the steel bars in the fourth step into a whole.
And seventhly, placing the die manufactured in the step I at the position of forming the heat-insulating layer filling groove 5 in the die table, inserting the horizontal connecting steel bars 4 into the steel bar perforation, placing a vertical steel bar with the same height direction as the wall body at the junction of the horizontal connecting steel bars 4 and the steel bar perforation, binding and fixing the vertical steel bar and the horizontal connecting steel bars 4, and binding and connecting the horizontal connecting steel bars 4 and the sealing column stress steel bars together.
Referring to fig. 4-6, the mold comprises a first mold 8 and a second mold 9 used in pairs, the first mold 8 is in a groove shape and comprises a first groove bottom plate 81 and two first groove side plates 82, one side of the first groove bottom plate 81 is provided with first strip-shaped blind holes 83 which are arranged at intervals along the length direction of the first groove bottom plate 81, and the first groove side plates 82 are provided with first fixing holes 84 which are fixedly connected with a mold table. The second die 9 is a groove type and comprises a second groove bottom plate 91 and two second groove side plates 92, one side of the second groove bottom plate 91 is provided with second strip-shaped blind holes 93 which are arranged at intervals along the length direction of the second groove bottom plate 91, and the second groove side plates 92 are provided with second fixing holes 94 which are fixedly connected with the die table.
The second mold 9 is clamped in the first mold 8, the second groove bottom plate 91 is attached to the upper side of the first groove bottom plate 81, the second groove side plate 92 is attached to the inner side of the first groove side plate 82, the opening directions of the first strip-shaped blind holes 83 and the second strip-shaped blind holes 93 are opposite, the first strip-shaped blind holes 83 and the second strip-shaped blind holes 93 are in fit and alignment, reinforcing bar through holes 10 for the horizontal connecting reinforcing bars to pass through are formed between the front blind holes and the rear blind holes respectively, and the first fixing holes 84 and the second fixing holes 94 are aligned.
And step eight, pouring dense column concrete into the mold table, and performing vibration molding to meet the compactness requirement so as to form the stress structure layer 1 of the plate body.
And step nine, removing the mould in the step six to form a groove after the time interval is not more than 40 minutes before the concrete reaches the initial setting.
And step ten, according to the plate body design of the special-shaped column type prefabricated sandwich heat-insulating light wallboard, placing transverse and longitudinal steel bars in the filling grooves of the post-pouring concrete blocks, and then welding or binding and fixing the exposed horizontal connecting steel bars 4 of the filling grooves of the post-pouring concrete blocks with the transverse and longitudinal steel bars of the part.
And eleventh, pouring concrete into the post-pouring concrete block filling groove 6 in the tenth step, and performing vibration molding to meet the compactness requirement.
And twelve, demolding the board body after maintaining for 24 hours, and then naturally air-drying.
Claims (3)
1. The utility model provides a prefabricated sandwich heat preservation light wallboard of dysmorphism column type, includes the plate body, its characterized in that: the plate body comprises a stress structure layer (1), a plate body heat preservation layer (2) and a heat preservation protection layer (3),
the stress structure layer comprises an inner side protruding out of the heat insulation protection layer (3) and a T-shaped dense column part (11) which is integrally and pre-poured with the heat insulation protection layer (3), a group of T-shaped dense column parts are arranged at intervals in parallel along the width direction of the plate body, the T-shaped dense column part (11) comprises a vertical part (111) and a transverse part (112), the bottom end of the vertical part (111) is connected with the heat insulation protection layer (3), the stress structure layer further comprises a post-pouring concrete block part (12),
a groove is formed between the inner side of the heat preservation protection layer (3) and the T-shaped dense column part (11), the groove comprises a heat preservation layer filling groove (5) formed between the heat preservation protection layer (3) and the vertical part (111), the size of the plate heat preservation layer (2) is matched with the size of the heat preservation layer filling groove (5), the plate heat preservation layer (2) is filled in the heat preservation layer filling groove (5), two ends of the plate heat preservation layer (2) are clamped at the folding angle formed by the T-shaped dense column part (11) and the heat preservation protection layer (3),
the groove also comprises post-pouring concrete block filling grooves (6) between the transverse parts (112), the post-pouring concrete block parts (12) are poured on the upper side of the plate body heat preservation layer (2) and in the post-pouring concrete block filling grooves (6) by taking the plate body heat preservation layer (2) as a template, the thickness of the post-pouring concrete block parts (12) is equal to the thickness of the post-pouring concrete block filling grooves (6), the outer side surfaces of the post-pouring concrete block parts (12) are flush with the outer side surfaces of the transverse parts (112),
the T-shaped dense column part comprises dense column stress steel bars and dense column concrete, a horizontal connecting steel bar (4) which transversely penetrates through the plate body and connects the horizontal part (112) with the post-cast concrete block part (12) is arranged in the horizontal part (112), two ends of the horizontal connecting steel bar (4) extend out of two sides of the plate body to form beard ribs, the dense column stress steel bars are all positioned in the horizontal part, the horizontal connecting steel bar is fixedly connected with the dense column stress steel bars,
the plate body is internally provided with two horizontal hidden beams positioned at the upper end part and the lower end part of the plate body, the horizontal hidden beams are arranged along the width direction of the plate body, the length of each horizontal hidden beam is not more than the width of the plate body, each horizontal hidden beam comprises a hidden beam reinforcement cage (7) and hidden beam concrete, the hidden beam reinforcement cage (7) transversely penetrates through the transverse part (112), the hidden beam concrete and the dense column concrete are formed by casting at one time,
the post-cast concrete block part is made of lightweight aggregate concrete,
the heat preservation protective layer is a reinforced concrete layer, and transverse and longitudinal double-layer steel bars or steel bar meshes are arranged in the heat preservation protective layer.
2. The method for manufacturing the special-shaped column type prefabricated sandwich heat-insulating light wallboard according to claim 1, wherein the manufacturing steps are as follows:
step one, manufacturing a die with the same size as the heat-insulating layer filling groove (5) according to the designed size of the plate body of the special-shaped column type prefabricated sandwich heat-insulating light wallboard, wherein a steel bar perforation which is matched with the horizontal connecting steel bar (4) is formed in the die;
cutting the heat-insulating plate of the plate body heat-insulating layer (2) according to the size of the heat-insulating layer filling groove (5);
step three, cleaning the die table, and brushing a release agent on the inner side of the die table;
binding reinforcing steel bars in the heat preservation and protection layer or placing reinforcing steel meshes;
fifthly, paving heat-insulating plates according to the elevation position of the heat-insulating layer of the plate body to form a heat-insulating layer of the wallboard;
binding the stress steel bars of the dense columns and the hidden beam steel bar cages, and connecting the stress steel bars of the dense columns, the hidden beam steel bar cages and the steel bars in the fourth step into a whole;
step seven, placing the die manufactured in the step one at the position of forming the heat-insulating layer filling groove (5) in the die table, then inserting the horizontal connecting steel bars (4) into the steel bar perforation, then placing a vertical steel bar with the same height direction as the wall body at the junction of the horizontal connecting steel bars (4) and the steel bar perforation, then binding and fixing the vertical steel bar and the horizontal connecting steel bars (4), and finally binding and fixing the horizontal connecting steel bars (4) and the sealing column stressed steel bars;
pouring dense column concrete into a mould table, and performing vibration forming to meet the compactness requirement to form a stress structure layer (1) of the plate body;
step nine, removing the mould in the step six to form a groove after the time interval is not more than 40 minutes before the concrete reaches the initial setting;
step ten, according to the plate body design of the special-shaped column type prefabricated sandwich heat-insulating light wallboard, placing transverse and longitudinal steel bars in the filling grooves of the post-pouring concrete blocks, and then welding or binding and fixing the horizontal connecting steel bars (4) of the exposed filling grooves of the post-pouring concrete blocks with the transverse and longitudinal steel bars;
step eleven, pouring concrete into the post-pouring concrete block filling groove (6) in the step ten, and performing vibration molding to meet the compactness requirement;
and twelve, demolding the board body after maintaining for 24 hours, and then naturally air-drying.
3. The method for manufacturing the special-shaped column type prefabricated sandwich heat-insulating light wallboard is characterized by comprising the following steps of: the mould comprises a first mould (8) and a second mould (9) used in pairs,
the first die (8) is in a groove shape and comprises a first groove bottom plate (81) and two first groove side plates (82), one side of the first groove bottom plate (81) is provided with first strip-shaped blind holes (83) which are arranged at intervals along the length direction of the first groove bottom plate (81), the first groove side plates (82) are provided with first fixing holes (84) which are fixedly connected with the die table,
the second die (9) is in a groove shape and comprises a second groove bottom plate (91) and two second groove side plates (92), one side of the second groove bottom plate (91) is provided with second strip-shaped blind holes (93) which are arranged at intervals along the length direction of the second groove bottom plate (91), the second groove side plates (92) are provided with second fixing holes (94) which are fixedly connected with the die table,
the second mould (9) card is in first mould (8), the upside of first groove bottom plate (81) of second groove bottom plate (91) laminating, the inboard of first groove side plate (82) of second groove side plate (92) laminating, the trompil opposite direction of first bar blind hole (83) and second bar blind hole (93), the size of first bar blind hole (83) and second bar blind hole (93) suits and aligns, form respectively between the front and back blind hole and supply steel bar perforation (10) that the horizontal connecting reinforcement passed, shown first fixed orifices (84) are aligned with second fixed orifices (94).
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| CN111791361B (en) * | 2020-07-04 | 2021-11-05 | 上海弘昊建材有限公司 | Method for manufacturing bare concrete building prefabricated part and related tools |
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