CN211286074U - Self-heat-insulation system for prefabricated light high-strength foam concrete filled wallboard outer wall - Google Patents
Self-heat-insulation system for prefabricated light high-strength foam concrete filled wallboard outer wall Download PDFInfo
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- CN211286074U CN211286074U CN201920352183.1U CN201920352183U CN211286074U CN 211286074 U CN211286074 U CN 211286074U CN 201920352183 U CN201920352183 U CN 201920352183U CN 211286074 U CN211286074 U CN 211286074U
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Abstract
The utility model belongs to the technical field of the building is used, specifically disclose prefabricated light high strength foam concrete fills wallboard outer wall self preservation temperature system, including high strength self preservation temperature foam concrete, vertical double-deck distribution reinforcing bar and horizontal double-deck distribution reinforcing bar, just the filling wallboard that high strength self preservation temperature foam concrete, vertical double-deck distribution reinforcing bar and horizontal double-deck distribution reinforcing bar constitute carries out the integration prefabrication in the mill. The beneficial effects of the utility model reside in that: the prefabricated wall board can be industrially and standardly prefabricated in a factory, the thickness can be changed according to the energy-saving requirement of a building, the requirement of an assembly type building is met, based on the independent research and development result of light high-strength foam concrete, the wallboard is cast in a large area without cracks and collapse, the prefabricated wall board has the characteristics of high strength, excellent heat preservation, fire resistance, water resistance, excellent sound insulation performance and the like, can bear out-of-plane load without large deformation, can be used for hanging heavy objects on a wall body, is not easy to crack under impact load, and has good mechanical property.
Description
Technical Field
The utility model belongs to the technical field of the building is used, concretely relates to prefabricated light weight high strength foam concrete fills wallboard outer wall self preservation temperature system possesses good mechanical properties, thermal-insulated thermal insulation performance, fire resistance and durability.
Background
The green energy-saving building and the prefabrication and assembly technology are development directions of future building industries, and the application of the green energy-saving building and the prefabrication and assembly technology in engineering construction is concerned continuously. The energy consumption of buildings in China accounts for more than 20% of the total energy consumption of the nation, and the energy consumption of unit building area is 2 to 3 times of that of developed countries. The development of green energy-saving buildings is a necessary requirement for high-quality development of the building industry, and also puts higher requirements on the thermal performance of the building envelope material. And the assembly type construction mode is adopted, and a part or all of building components are prefabricated in a factory and transported to a construction site for assembly, so that the field operation amount and various construction pollutions can be reduced, the construction progress is accelerated, the construction period is saved, and the method is a building production form which is widely popularized at present.
At present, most of the filling walls of buildings in China are built by bricks, stones, aerated concrete blocks and the like, the building quality depends on the operation level of workers, and the quality discreteness is large. Meanwhile, the masonry material has higher density, and is easy to cause the over-heavy dead weight of the building structure to be unfavorable for earthquake resistance. In addition, the existing building heat preservation measures mainly adopt the pasting of heat preservation materials or heat preservation plates, the self heat preservation of structural components cannot be realized, the heat preservation materials or the heat preservation plates are poor in durability, poor in fireproof and waterproof performance, easy to fall off and incapable of having the same service life as the structure. Building block material itself is because the gap is more, and sound insulation, waterproof nature are relatively poor, and the inside rack that does not have of building block supports, can peel off layer by layer during the conflagration, finally causes in the short time and collapses. In addition, building blocks are built for enhancing integrity, the specification and regulation usually need cast-in-place ring beams and constructional columns, and steel wire mesh is hung for double-sided plastering, so that the construction process is multiple, the process is complex, the time and the labor are consumed, and the construction period is longer.
The prefabricated wall board is used as an outer wall self-heat-preservation system of the outer filling wall, and the wall board has the functions of enclosure and heat preservation and meets the requirements of green energy-saving buildings and assembly construction. The prefabricated wall panels represented by autoclaved aerated concrete slabs and ceramsite concrete slabs are already applied to certain projects, but the following problems still exist at present: the production process is complex, large-scale production is difficult, and the production cost is not competitive; the thermal performance is poor, the thermal conductivity coefficient of the material is high on the premise of meeting the mechanical performance requirement of the wallboard, and if the energy-saving requirement is met, the wall thickness must be increased, so that the manufacturing cost is increased, and the use area is influenced; the field installation process is complex, and the stress of the structural system is unreasonable. Therefore, the proper material of the outer wall is selected, and the reasonable design of the installation mode and the related structure is key.
SUMMERY OF THE UTILITY MODEL
The purpose of the invention is as follows: the utility model aims at prior art's is not enough, provides prefabricated light high strength foam concrete and fills wallboard outer wall self preservation temperature system, forms according to reasonable installation method and the assembly of structure requirement, and it has good atress performance, thermal insulation performance and durability, and construction speed is fast, and whole set of cost has competitiveness, but wide application in packing wall body construction.
The technical scheme is as follows: the self-insulation system of the prefabricated light high-strength foam concrete filled wallboard outer wall comprises high-strength self-insulation foam concrete, longitudinal double-layer distributed reinforcing steel bars and transverse double-layer distributed reinforcing steel bars, wherein a filled wallboard formed by the high-strength self-insulation foam concrete, the longitudinal double-layer distributed reinforcing steel bars and the transverse double-layer distributed reinforcing steel bars is integrally prefabricated in a factory; the longitudinal double-layer distributed steel bars (2) and the transverse double-layer distributed steel bars (3) are perpendicular to each other to form a net shape and wrap the outer surface of the high-strength self-insulation foam concrete (1).
In a preferred embodiment of the present invention, the dry density of the high-strength self-insulating foam concrete is about 750kg/m3The heat conductivity coefficient is not more than 0.14W/(m.K), and the cubic compressive strength is not less than 5 MPa.
According to a preferred scheme of the technical scheme, the high-strength self-insulation foam concrete is composed of prefabricated filling wallboards, a main structure reinforced concrete frame, embedded bars, joint filling mortar, polystyrene foam, an externally-attached heat insulation layer and externally-attached fiber gridding cloth, wherein the embedded bars are implanted into the main structure frame beams and the floor slab and connected at the joint splicing positions between the wallboards, through long sealing strips are used for sealing holes, the joint filling mortar is filled in the holes, and joint filling mortar is smeared in gaps outside the hole sealing strips for sealing protection; after the wallboard is installed at the joint position of the wallboard and the frame beam, adhering an external thermal insulation layer on the outer side of the frame beam, externally coating fiber mesh cloth at the joint of the external thermal insulation layer and the wallboard, plastering and installing a decorative layer on the outer side of the outer wall; filling polystyrene foam in the gap at the joint between the wallboard and the frame column after the wallboard is installed, and smearing flexible sealing materials such as silicone adhesive and the like on the inner side of the gap for sealing; and adhering an outer heat-insulating layer on the outer side of the frame column, externally hanging fiber mesh cloth at the joint of the outer heat-insulating layer and the wallboard, and plastering and installing a decorative layer on the outer side of the outer wall.
According to the technical scheme, when the filling area is an irregular area, the wall boards need to be cut and assembled, and the assembled wall boards are connected into a whole through the driving steel bars.
This technical scheme's an optimal scheme, at door and window entrance to a cave position, the vice frame of pre-installation door and window to it is fixed to squeeze into self-tapping screw, guarantees entrance to a cave position wallboard connection wholeness, also is convenient for later stage door and window installation as the component of door and window frame simultaneously.
Compared with the prior art, the utility model discloses a prefabricated light weight high strength foam concrete fills wallboard outer wall self preservation temperature system's beneficial effect lies in: 1. the prefabricated wall board can bear out-of-plane load without generating large deformation, can be hung with heavy objects on the wall body, is not easy to crack under impact load, and has good mechanical property; 2. the external wall self-insulation system composed of the foam concrete prefabricated filling wall boards realizes the connection between the wall boards and the main body structure by implanting reinforcing steel bars into the main body frame structure beams and the wall boards and grouting holes between the board joints, the connection mode has high construction speed, can ensure the external bearing capacity of the plane of the external wall, has small self stress of the wall boards under the action of an earthquake, is not easy to crack and fall off, avoids secondary disasters, does not influence the ductility of the main body frame structure, and avoids the brittle failure of the main body structure; 3. the whole external wall self-insulation system has no obvious heat bridge, good heat insulation performance, no steel component and excellent fire resistance; 4. the foam concrete material and the related structure ensure that the system has good air tightness and durability, the advantages of green energy-saving buildings and assembly buildings are combined, and the prefabricated filling wallboard and the structural system have wide engineering application prospects along with the development of assembly technologies and structural self-heat-insulation technologies.
Drawings
FIG. 1 is a structural diagram of a prefabricated filled wallboard of an external wall self-insulation system of a prefabricated light high-strength foam concrete filled wallboard;
FIG. 2 is a structural diagram of the self-insulation system of the outer wall;
FIG. 3 is a detail view of the position construction of the joint of the wall panel;
FIG. 4 is a detail view of the connection position of the wall plate with the frame beam and the floor slab;
FIG. 5 is a detail view of the connection location configuration of the wall panel frame posts;
FIG. 6 is a schematic view of the first panel being hoisted, positioned and temporarily fixed;
FIG. 7 is a schematic view of the embedded steel bars and the long sealant adhered to the two sides of the groove;
FIG. 8 is a schematic view of the hole grouting in the slab joints after hoisting and positioning all wall panels;
FIG. 9 is a schematic view of polystyrene foam placed in the void between the wall panel and the frame post;
FIG. 10 is a schematic view of finishing a frame structure, externally attaching a heat-insulating layer, externally attaching fiber mesh cloth, and plastering an outer layer;
FIG. 11 is a drawing of a non-standardized fill area wall panel splice construction;
FIG. 12 is a non-standardized fill area wallboard installation flow diagram;
FIG. 13 is a detail view of the position structure of the door/window opening;
FIG. 14 is a flow chart of wall panel installation at the door and window opening location;
wherein, the sequence numbers in the figure are as follows: the self-insulation concrete door and window frame comprises high-strength self-insulation foam concrete 1, longitudinal double-layer distributed steel bars 2, transverse double-layer distributed steel bars 3, prefabricated filling wallboards 4, a main structure reinforced concrete frame 5, steel bars 6, crack filling mortar 7, polystyrene foam 8, an external heat insulation layer 9, external fiber mesh cloth 10, a through long sealing strip 11, crack filling mortar 12, an external layer plastering 13, silicone adhesive 14, steel bars 15, a door and window auxiliary frame 16 and self-tapping screws 17.
Detailed Description
The invention will be further elucidated with reference to the drawings and the specific embodiments.
The self-insulation system of the prefabricated light high-strength foam concrete filled wallboard outer wall shown in fig. 1 to 14 comprises high-strength self-insulation foam concrete 1, longitudinal double-layer distributed steel bars 2 and transverse double-layer distributed steel bars 3, and the filled wallboard formed by the high-strength self-insulation foam concrete 1, the longitudinal double-layer distributed steel bars 2 and the transverse double-layer distributed steel bars 3 is integrally prefabricated in a factory.
Further preferably, the dry material density of the high-strength self-insulation foam concrete 1 is about 750kg/m3The thermal conductivity coefficient is not more than 0.14W/(m.K), the cubic compressive strength is not less than 5MPa, specifically, the high-strength self-insulation foam concrete 1 adopted by the foam concrete prefabricated filling wallboard in the external wall self-insulation system is from the research and development result of a light high-strength foam concrete material, and the parameters of water absorption, drying shrinkage, impermeability, frost resistance and the like of the material meet the relevant requirements of light partition wall batten for buildings GBT 23451. The high-strength self-heat-preservation foam concrete 1 is composed of prefabricated filling wall boards 4, a main structure reinforced concrete frame 5, embedded bars 6, crack pouring mortar 7, polystyrene foam 8, an externally-attached heat preservation layer 9 and externally-attached fiber gridding cloth 10, wherein the embedded bars 6 are implanted and connected in the main structure frame beam and the floor slab at the joint splicing position between the wall boards, through long sealing strips 11 are used for sealing holes, the crack pouring mortar 7 is arranged in the holes, and the hole sealing strips are externally connected with the hole sealing stripsThe side gap is smeared with joint filling mortar 12 for sealing protection; after the wallboard is installed at the joint position of the wallboard and the frame beam, adhering an outer heat-insulating layer 9 to the outer side of the frame beam, externally coating a fiber mesh fabric 10 at the joint of the outer heat-insulating layer 9 and the wallboard, smearing an outer layer plastering surface 13 on the outer side of the outer wall, and installing a decorative layer; at the joint position of the wallboard and the frame column, after the wallboard is installed, filling polystyrene foam 8 in the gap, and smearing flexible sealing materials such as silicone adhesive 14 and the like on the inner side of the gap for sealing; an outer heat-insulating layer 9 is adhered to the outer side of the frame column, fiber mesh cloth 10 is hung at the joint of the outer heat-insulating layer 9 and the wallboard, a surface 13 is smeared on the outer layer of the outer wall, a decorative layer is installed, and a bidirectional double-layer reinforcing mesh is configured inside the foam concrete prefabricated filled wallboard, so that the out-of-plane rigidity of the wallboard is improved, and the cracking resistance is enhanced. The wallboard is usually vertically poured by adopting a vertical template set, so that large-scale production can be realized, and the inner surface and the outer surface of the wallboard are ensured to have the same flatness. The thickness of the wall plate is determined according to the building enclosure thermal resistance calculation required by the building site energy-saving design standard of residential buildings in summer hot and winter cold regions JGJ134, the building site energy-saving design standard of residential buildings in severe cold and cold regions JGJ26 or the building site energy-saving design standard. The bending resistance bearing capacity, the impact resistance and the hanging capacity of the wall board all meet the relevant requirements of light partition wall batten for buildings GBT 23451;
the foam concrete prefabricated filling wallboard in the prefabricated light high-strength foam concrete filling wallboard outer wall self-insulation system is characterized in that two sides of the foam concrete prefabricated filling wallboard are grooves, adjacent wallboard grooves are spliced to form hexagonal holes, reinforcing steel bars are implanted into a frame beam above the hole position and a floor below the frame beam, the upper planting bars and the lower planting bars are connected through welding or binding, the planting bars penetrate through the center of the hole, and the hole is filled with high-fluidity mortar. Because the wallboard surface is not completely level and smooth, there is the space in two contact surfaces that form the hole, consequently paste logical long sealing strip in recess both sides, extrusion when the installation, avoid mortar to leak thick liquid, and guarantee the piece gas tightness in the use stage, gap reuse mortar is filled in the outer wallboard inter-plate space of sealing strip, avoid using stage sealing strip corruption, the mortar makes between the adjacent wallboard and between wallboard and the frame form a whole, the reinforcing bar of implanting frame construction then has guaranteed that the wallboard receives the bearing capacity out of the plane when wind load, impact load.
In the self-insulation system for the external wall of the prefabricated light high-strength foam concrete filled wallboard, the main structure frame beam column is poured by adopting a concrete material, the concrete heat conductivity coefficient is large, a heat bridge is formed in an external wall system, and the heat insulation performance of the external wall is influenced, so that a heat insulation layer with a low heat conductivity coefficient is required to be attached to the frame beam column, the wallboard needs to protrude outwards by the distance of the thickness of the heat insulation layer in order to ensure that the external vertical surface of the external wall is smooth, fiber gridding cloth is externally attached to the joint of the heat insulation layer and the wallboard, and then the external side is plastered, leveled or an external.
In the self-insulation system for the outer wall of the prefabricated light high-strength foam concrete filled wallboard, the foam concrete prefabricated filled wallboard is connected with the floor slab in a mortar setting mode at the bottom before assembly, gaps between the top wallboard and the frame beam are filled with cement mortar, the mortar is used for increasing the connection between the wallboard and the frame structure on one hand and ensuring the in-plane rigidity and the out-plane bearing capacity of the wallboard, and on the other hand, the air tightness of the outer wall is also ensured and the water seepage of the outer wall structure is avoided.
In the self-insulation system for the outer wall of the prefabricated light high-strength foam concrete filled wallboard, a gap of 2-3 cm is reserved between the prefabricated foam concrete filled wallboard and the frame column, polystyrene foam is filled in the gap, flexible connection between the wallboard and the frame column is guaranteed, brittle failure of the frame column under the action of an earthquake is avoided, flexible materials such as silicone adhesive are smeared on two sides of the polystyrene foam, and air tightness of the gap position is guaranteed.
According to the self-insulation system for the prefabricated light high-strength foam concrete filled wallboard outer wall, when the filling area is in a nonstandard size, the wallboard needs to be cut and assembled, the assembled wallboards are connected into a whole through the driving of the reinforcing steel bars 15, the foam concrete filled wallboard is in a standardized size, and when the actual size of the filling area is in a nonstandard size, the prefabricated light high-strength foam concrete filled wallboard can be filled in an assembling mode according to the actual engineering situation. When the filling area height is greater than wallboard length, need with the wallboard cutting to with complete wallboard concatenation, the wallboard should be crisscross to be placed in long, short assembly, horizontal concatenation seam is not on same height, avoids appearing weak position in high, squeezes into the reinforcing bar between two blocks of wallboards about two blocks of wallboards simultaneously and guarantees the reliable connection of two blocks of wallboards about.
Above-mentioned wallboard outer wall self preservation temperature system is filled to prefabricated light high strength foam concrete, at door and window entrance to a cave position, install door and window subframe 16 in advance to it is fixed to squeeze into self-tapping screw 17, guarantee entrance to a cave position wallboard connection wholeness, also be convenient for later stage door and window installation as the component of door and window frame simultaneously, the hole need be reserved to the door and window position when the wallboard installation, promptly when the wallboard assembly, adopt door and window steel subframe to fix in the entrance to a cave position through squeezing into self-tapping screw, splice hole position bar planting bottom and subframe welding of entrance to a cave upper portion wallboard when the span is great, provide the strong point for subframe, avoid because the entrance to a cave upper portion wallboard dead weight is whole to be undertaken by band steel or subframe and cause too big deformation, door and window subframe not only can improve the wholeness of entrance to a cave position wallboard, still be convenient for the later stage door.
Examples
The utility model discloses a main component of the self-insulation system of the prefabricated light high-strength foam concrete filled wallboard outer wall, the foam concrete prefabricated filled wallboard is composed of high-strength self-insulation foam concrete 1, longitudinal double-layer distributed reinforcing steel bars 2 and transverse double-layer distributed reinforcing steel bars 3, and the structural schematic diagram of the wallboard is shown in figure 1; the high-strength self-heat-preservation foam concrete 1 consists of a foam concrete prefabricated filling wallboard 4, a main structure reinforced concrete frame 5, embedded bars 6, crack pouring mortar 7, polystyrene foam 8, an externally-attached heat preservation layer 9 and an externally-attached fiber grid cloth 10; as shown in fig. 2, the joint position of the wall panel mainly comprises the planting bars 6, the joint filling mortar 7, the through long sealing strips 11 and the joint filling mortar 12, and the detailed structure is shown in fig. 3; the connection position of the wall plate, the frame beam and the floor slab mainly comprises an external heat insulation layer 9, an external fiber mesh cloth 10, joint filling mortar 12 and an external plastering layer 13, the detailed structure is shown in figure 4, the connection position of the wall plate and the frame column mainly comprises polystyrene foam 8, the external heat insulation layer 9, the external fiber mesh cloth 10, the external plastering layer 13 and a silicone adhesive 14 flexible sealing layer, and the detailed structure is shown in figure 5.
The utility model discloses a prefabricated light weight high strength foam concrete fills wallboard outer wall self preservation temperature system's installation flow does:
1. cleaning floating ash on the surface of a floor slab installation wallboard, positioning a planting bar position and paying off the wallboard position;
2. carrying out joint filling mortar 12 at the installation position of the first wallboard;
3. the first wallboard is hoisted and positioned and temporarily fixed, so that the movement and the verticality change of the wallboard are avoided, and the figure 6 is shown;
4. planting bars 6 are implanted into the side groove positions of the first fast wall plate, and the upper planting bars and the lower planting bars are connected through spot welding or binding. And the two sides of the groove of the wall plate are stuck with the through long sealing strips 11, as shown in figure 7;
5. repeating steps 2 to 4, and installing all the wall boards, as shown in figure 8;
6. mortar 12 for filling is smeared in a gap reserved outside the sealing strip at the plate joint position to be used as protection of the sealing strip and a second layer of sealing measure, the sealing performance of the base mortar position at the bottom of the hole is checked, and necessary repair is carried out;
7. pouring mortar 7 into a gap between the top frame beam and the wallboard, wherein the mortar has certain fluidity, the mortar is poured until the mortar overflows the top surface of the hole, the descending condition of the mortar is observed in the initial setting time of the mortar after the mortar is poured, and if the top surface of the mortar descends, whether the mortar leaks or not is checked, and the mortar is continuously poured until the surface of the mortar does not descend;
8. the gap between the top surface of the wallboard and the frame beam is sealed by filling cement filling mortar 12; polystyrene foam 8 is added between the wall plate and the frame column, as shown in figure 9;
9. pasting an external heat-insulating layer 9 and an external fiber grid cloth 10 on the outer side of the frame beam column, trowelling the outer surface by an outer-layer trowelling surface 13, and sealing the inner side of a gap between the wall plate and the frame column by using silicone adhesive 14, as shown in figure 10;
10. and (4) keeping the temporary support until the crack pouring mortar reaches a certain strength, and removing the temporary support to finish the installation work of the wallboard. When the size of the filling area is not standardized, the wall boards need to be cut and assembled, and the external wall self-insulation system formed by the assembled wall boards also comprises driven steel bars 15 besides all parts shown in fig. 2, and the specific structure is shown in fig. 11; the wallboard installation process is basically the same as the former, and the main difference is that step 3 changes into: when a wall panel is installed and positioned, reinforcing steel bars are driven into the side faces of the wall panel to connect the wall panel with the wall panel which is installed on the left side or below, and the detailed process is shown in fig. 12.
For the external wall with the door and window opening position, the opening position comprises a door and window auxiliary frame 16 and a self-tapping screw 17 except all parts shown in fig. 2, the specific structure is shown in fig. 13, taking the window opening as an example, the installation process of the wallboard at the opening position is as follows:
1. hoisting the cut wallboard at the lower part of the positioning window and the complete wallboards at the left side and the right side, and planting and grouting ribs at the positions of the abutted seam holes of the wallboards;
2. installing a door and window auxiliary frame 16, and driving tapping screws 17 into the left side and the right side and the lower side of the door and window auxiliary frame for fixing;
3. hoisting the cut wallboard at the upper part of the positioning window, planting ribs at the positions of the abutted seam holes of the wallboards, welding the planted ribs with the auxiliary window frame if necessary, and sealing and grouting;
4. and (3) driving a self-tapping screw at the upper part of the window subframe for fixing to finish the installation of the wallboard at the hole position, wherein the detailed flow is shown in figure 14.
In conclusion, the external wall self-insulation system of the prefabricated light high-strength foam concrete filled wallboard has the following advantages: the factory is integrally constructed, and the site assembly is carried out, so that the construction period can be greatly shortened, the cost related to manpower and construction equipment is reduced, and meanwhile, the environmental and noise pollution caused by site construction is reduced; the wallboard is cast in a large area without cracks and collapsing, the strength is high, and the built-in bidirectional double-layer reinforcing mesh meets the load effect caused by the construction processes of carrying, hoisting, mounting and the like; the closed holes in the material ensure excellent durability such as frost resistance, permeability resistance and the like, and the service life of the material can be matched with that of a building; the wall board has light dead weight, so that the internal force of the structure main body is reduced under the action of an earthquake, and the cost of the main structure can be saved to a certain extent; the wall body is connected with the main body structure through the connecting nodes, seismic structures such as tie bars, constructional columns, ring beams or reinforcing steel strips are not needed, the wall body can adapt to large interlayer angular displacement, the connecting form can effectively avoid brittle failure of the traditional block filled wall under the influence of the earthquake action of the lower frame column, and based on the advantages, the prefabricated light high-strength foam concrete filled wallboard outer wall self-insulation system has wide engineering application prospect.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.
Claims (4)
1. Prefabricated light weight, high strength foam concrete fills wallboard outer wall self preservation temperature system, its characterized in that: the high-strength self-insulation concrete filled wallboard comprises high-strength self-insulation foam concrete (1), longitudinal double-layer distributed reinforcing steel bars (2) and transverse double-layer distributed reinforcing steel bars (3), and the filled wallboard formed by the high-strength self-insulation foam concrete (1), the longitudinal double-layer distributed reinforcing steel bars (2) and the transverse double-layer distributed reinforcing steel bars (3) is integrally prefabricated in a factory; the longitudinal double-layer distributed steel bars (2) and the transverse double-layer distributed steel bars (3) are perpendicular to each other to form a net shape and wrap the outer surface of the high-strength self-insulation foam concrete (1).
2. The self-insulation system for the external wall of the prefabricated light high-strength foam concrete filled wallboard of claim 1, wherein: the dry density of the material of the high-strength self-insulation foam concrete (1) is about 750kg/m3The heat conductivity coefficient is not more than 0.14W/(m.K), and the cubic compressive strength is not less than 5 MPa.
3. The self-insulation system for the external wall of the prefabricated light high-strength foam concrete filled wallboard of claim 1 or 2, wherein: the high-strength self-heat-preservation foam concrete (1) is composed of a prefabricated filling wallboard (4), a main structure reinforced concrete frame (5), embedded bars (6), joint grouting mortar (7), polystyrene foam (8), an externally-adhered heat-preservation layer (9) and externally-adhered fiber grid cloth (10), wherein the embedded bars (6) are implanted and connected between a main structure frame beam and a floor slab at the joint position between the wallboards, the joint grouting mortar (7) is arranged in holes in the outer side of the embedded bars (6), a through-long sealing strip (11) is sealed on the outer side of the joint grouting mortar (7), the joint grouting mortar (12) is arranged on the outer side of the through-long sealing strip (11) for sealing protection, the externally-adhered heat-preservation layer (9) is adhered to the outer side of the main structure reinforced concrete frame (5), and the externally-adhered heat-preservation layer (9) is connected with the prefabricated filling wallboard (4) through the, coating an outer layer plastering surface (13) on the outer side of the prefabricated filling wallboard (4); and polystyrene foam (8) is filled in the gap between the prefabricated filling wallboard (4) and the main structure reinforced concrete frame (5), and the surface of the polystyrene foam (8) is covered with silicone adhesive (14) for sealing.
4. The self-insulation system for the external wall of the prefabricated light high-strength foam concrete filled wallboard of claim 3, wherein: a door and window auxiliary frame (16) is pre-installed at the door and window opening position, and a self-tapping screw (17) is driven in for fixing.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112538915A (en) * | 2020-12-21 | 2021-03-23 | 林荣 | Precast concrete wallboard and manufacturing method thereof |
| CN113057102A (en) * | 2021-03-25 | 2021-07-02 | 山东大学 | Flexible waterproof method for prefabricated excrement slot plate seam |
| CN114809383A (en) * | 2022-05-18 | 2022-07-29 | 江苏智聚智慧建筑科技有限公司 | Concrete rib integrated prefabricated external wall panel and construction method thereof |
-
2019
- 2019-03-14 CN CN201920352183.1U patent/CN211286074U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112538915A (en) * | 2020-12-21 | 2021-03-23 | 林荣 | Precast concrete wallboard and manufacturing method thereof |
| CN113057102A (en) * | 2021-03-25 | 2021-07-02 | 山东大学 | Flexible waterproof method for prefabricated excrement slot plate seam |
| CN114809383A (en) * | 2022-05-18 | 2022-07-29 | 江苏智聚智慧建筑科技有限公司 | Concrete rib integrated prefabricated external wall panel and construction method thereof |
| CN114809383B (en) * | 2022-05-18 | 2024-04-19 | 江苏智聚智慧建筑科技有限公司 | Integrated prefabricated external wall panel with concrete ribs and construction method thereof |
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