CN115387500A - Construction method of energy-saving heat-insulating non-bearing wall body of frame structure building - Google Patents

Construction method of energy-saving heat-insulating non-bearing wall body of frame structure building Download PDF

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Publication number
CN115387500A
CN115387500A CN202211112023.2A CN202211112023A CN115387500A CN 115387500 A CN115387500 A CN 115387500A CN 202211112023 A CN202211112023 A CN 202211112023A CN 115387500 A CN115387500 A CN 115387500A
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CN
China
Prior art keywords
template
heat
wall body
insulating
fireproof heat
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Pending
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CN202211112023.2A
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Chinese (zh)
Inventor
刘丙强
刘念界
季良
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Shanghai Shengkui New Building Materials Co ltd
Shanghai Shengkui Plastic Industry Co ltd
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Shanghai Shengkui New Building Materials Co ltd
Shanghai Shengkui Plastic Industry Co ltd
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Priority to CN202211112023.2A priority Critical patent/CN115387500A/en
Publication of CN115387500A publication Critical patent/CN115387500A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • 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
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/941—Building elements specially adapted therefor
    • E04B1/942—Building elements specially adapted therefor slab-shaped
    • 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
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/90—Passive houses; Double facade technology

Abstract

The invention discloses a construction method of an energy-saving heat-preservation non-bearing wall body of a frame structure building, which comprises the following steps: erecting an outer-side disassembly-free template; coating an interface agent on the inner side surface of the A-grade fireproof heat-insulating template to form an interface agent layer; binding wall body steel bars on the inner side of the A-level fireproof heat-insulation template and installing a connecting piece; installing a limiting clamping piece and an inner side template; installing an inner and outer template supporting system; pouring lightweight concrete between the A-level fireproof heat-insulation template and the inner side template, and coating the lightweight concrete on the wall body reinforcing steel bars to form a wall body; dismantling the inner and outer template support system; plugging the top of the wall; and arranging waterproof layers at the outer sides and the plate joints of the A-level fireproof heat-insulation template for waterproof treatment, arranging a plastering layer on the outer side surface of the A-level fireproof heat-insulation template, and leveling the inner side of the wall body. The extremely high straightness and the straightness that hangs down of building facade are realized. The bonding strength is reliable. The method is economic and efficient on the premise of ensuring safety.

Description

Construction method of energy-saving heat-insulating non-bearing wall body of frame structure building
Technical Field
The invention relates to the field of energy-saving construction of an outer protective structure of a frame structure building, in particular to a construction method of an energy-saving heat-preservation non-bearing wall body of the frame structure building.
Background
In many energy consumption fields, the building energy consumption accounts for about 30% of the total social energy consumption, so that building energy conservation is an important work in the energy conservation field in China. China is wide in regions and various in climate types, and in cold and severe regions such as the north, the summer is hot, dry and rainless, and the winter is cold and difficult to endure. Meanwhile, along with the gradual improvement of energy-saving requirements, ultralow-energy-consumption building technologies such as 'zero-energy-consumption buildings' and 'passive buildings' are continuously developed, and higher requirements are put forward on the performance of building external wall heat-insulating materials and external wall heat-insulating structures.
In the building construction process, the wall body of the frame structure mainly plays roles of enclosing and separating and does not play a role of bearing, and the bearing is born by the beam column part. The heat-insulating construction of non-bearing wall body portion is characterized by that after the wall body is built, its external side is equipped with heat-insulating layer in the form of adhesive anchor or dry-hanging mode. Due to factors such as structural form and construction quality, the problems of cracking, water seepage, falling and fire disaster often exist in the construction and use processes, the heat insulation effect of the building is influenced, and safety accidents (fire disaster and heat insulation layer falling) are caused. In addition, a non-bearing wall in a traditional frame structure building generally adopts self-insulation materials such as autoclaved aerated blocks or ALC laths, although the materials have certain heat insulation effect through intersecting concrete materials, the performance is not ideal, and meanwhile, the problem of water seepage and water leakage caused by large water absorption is suffered from industrial scaling. Therefore, a wall construction scheme which is safer, more reliable, easier to construct and more energy-saving and is suitable for the non-bearing wall of the frame structure building is urgently needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a construction method of an energy-saving heat-insulating non-bearing wall body of a frame structure building.
The invention is realized by the following technical scheme:
a construction method of an energy-saving heat-insulating non-bearing wall body of a frame structure building comprises the following steps:
step 1, erecting an outer-side disassembly-free template, wherein the outer-side disassembly-free template is an A-level fireproof heat-insulation template, the combustion grade of the A-level fireproof heat-insulation template is not lower than A2 level, the heat conductivity coefficient is not more than 0.054W/(m.K), the bending load is not less than 3000N, and the compression elastic modulus is not less than 20000kPa;
step 2, coating an interface agent on the inner side surface of the A-level fireproof heat-insulation template to form an interface agent layer;
step 3, binding wall body steel bars on the inner side of the grade A fireproof heat-insulation template and installing connecting pieces;
step 4, installing a limiting clamping piece and an inner side template, wherein the inner side template is positioned on the inner side surface of the wall body steel bar, and two ends of the limiting clamping piece are respectively abutted against the A-grade fireproof heat-insulation template and the inner side template;
step 5, installing an inner and outer side template supporting system;
step 6, pouring lightweight concrete between the A-level fireproof heat-preservation template and the inner side template, and coating the lightweight concrete on the wall body reinforcing steel bars to form a wall body;
step 7, dismantling the inner and outer side formwork supporting system;
8, plugging the top of the wall;
step 9, arranging waterproof layers on the outer sides of the A-level fireproof heat-insulation templates and plate joints for waterproof treatment, and arranging a finishing layer on the outer side surfaces of the A-level fireproof heat-insulation templates;
and 10, leveling the inner side of the wall body.
Further, step 0.5 is also included before step 1, and step 0.5 is to provide a metal bracket; the metal bracket is connected with the beam bottom and the floor slab part, so that the A-level fireproof heat-insulation template is installed and connected with the metal bracket.
Further, step 2.5 is included after step 2, and step 2.5 is to perform waterproof reinforcement treatment of the anti-crack mortar embedded glass fiber mesh cloth at the inner side plate joint of the A-level fireproof heat-insulation template.
Furthermore, the compression strength of the A-level fireproof heat-insulation template is more than or equal to 0.30MPa, the tensile strength perpendicular to the plate surface is more than or equal to 0.20MPa, and the dry density is 160-220 kg/m 3 (ii) a The impact resistance of the A-grade fireproof heat-insulation template is tested for 10 times, and the surface of the A-grade fireproof heat-insulation template is free of cracks after the impact resistance test.
Furthermore, at least one reinforcing component is arranged in the A-level fireproof heat-insulation template, and the connecting piece penetrates through the A-level fireproof heat-insulation template and is arranged in the reinforcing component in a penetrating mode.
Further, the connecting piece includes anchor disc and stock, the anchor disc support lean on in the lateral surface of A level fire prevention heat preservation template, the one end of stock connect in the anchor disc, the other end of stock passes A level fire prevention heat preservation template and expose in the medial surface of A level fire prevention heat preservation template, the stock with the wall body is connected.
Further, the outer surface of the anchor rod is provided with a plurality of blocking structures extending outwards;
and/or the outer side surface of the anchor disc is flush with the outer side surface of the A-level fireproof heat-insulation template.
Further, the connecting piece is made of metal, preferably stainless steel;
and/or the outer surface of the connecting piece is coated with a heat insulation material layer.
Furthermore, the inner side template is a disassembly-free heat preservation template.
Furthermore, a grouting hole is reserved in the top of the inner side template, and a plurality of observation holes are formed in the inner side template;
in the step 6, the light concrete is poured in sections, the pouring of the section is proved to be completed when slurry overflows from the observation holes at the corresponding positions in the pouring process of the section of light concrete, and the observation holes at the corresponding positions are plugged by using plugs until the positions of the grouting holes at the top.
Further, the lightweight concrete material is a cement-based material with bubble cavities and/or a cement-based material filled with lightweight aggregate.
Further, the A-level fireproof heat-insulation template is made of a silicon graphene heat-insulation material.
Furthermore, A level fire prevention heat preservation template includes A level fire prevention heat preservation and high-efficient insulation material layer, high-efficient insulation material layer connect in the medial surface of A level fire prevention heat preservation.
Further, before the step 10, a reinforcing net is installed on the inner side of the wall, wherein one end of the connecting piece is connected to the class a fireproof heat-insulating formwork, and the other end of the connecting piece penetrates through the wall and is connected to the reinforcing net at a position exposed out of the inner side surface of the wall.
Further, in the step 10, leveling the inner side of the wall body by a leveling layer, wherein the leveling layer is made of cement mortar; preferably, the leveling layer is made of anti-crack mortar.
The invention has the beneficial effects that:
according to the construction method of the energy-saving heat-insulating non-bearing wall body of the frame structure building, the A-grade fireproof heat-insulating template on the outer side is erected firstly, and the inner and outer template supporting systems are arranged in a matched mode, so that the extremely high straightness and perpendicularity of the outer vertical surface of the building are achieved. Meanwhile, the light concrete cast-in-place process is adopted, the bonding strength is reliable, and the problems of brick/plate seams and water leakage at the brick/plate seams which are necessary to adopt self-insulation materials are solved. And the construction method is convenient and fast, and is economic and efficient on the premise of ensuring safety.
Drawings
Fig. 1 is a schematic view of an internal structure of a vertical external side non-dismantling formwork in embodiment 1 of the present invention.
Fig. 2 is a schematic view of the internal structure of the a-level fireproof heat-insulating template of embodiment 1 after the interface agent is coated on the inner side surface.
Fig. 3 is a schematic view of the internal structure of the class a fire-proof heat-insulating form according to embodiment 1 of the present invention after wall reinforcing steel bars are bound to the inner side of the class a fire-proof heat-insulating form and connectors are installed.
Fig. 4 is a schematic view of the internal structure of the inner formwork panel after the limit clip and the inner formwork panel are installed in embodiment 1 of the present invention.
Fig. 5 is a schematic view of the internal structure after the installation of the inside and outside formwork support system according to embodiment 1 of the present invention.
Fig. 6 is a schematic view of the internal structure of the lightweight concrete cast according to embodiment 1 of the present invention.
Fig. 7 is a schematic view of the internal structure of the internal and external formwork support system according to embodiment 1 of the present invention after removal.
Fig. 8 is a schematic view of the internal structure of the wall plugged at the top in embodiment 1 of the present invention.
Fig. 9 is a schematic view of the internal structure of the energy-saving heat-insulating non-load-bearing wall of the frame structure building in embodiment 1 of the present invention.
Fig. 10 is a schematic view of the internal structure of a wall body to which a reinforcing mesh is attached in embodiment 1 of the present invention.
Fig. 11 is a partial structural schematic view of the a-level fireproof heat-insulating template in embodiment 1 of the present invention, after waterproof layers are disposed at the outer sides and plate seams of the a-level fireproof heat-insulating template and subjected to waterproof treatment.
Fig. 12 is a schematic diagram of an internal structure of the class a fireproof heat insulation formwork of embodiment 1 after waterproof reinforcement treatment of an anti-crack mortar embedded fiberglass mesh cloth at an inner side plate joint.
Fig. 13 is a schematic view of the internal structures of the metal bracket and the outer non-dismantling formwork in embodiment 2 of the present invention.
Fig. 14 is a schematic view of the internal structure of the energy-saving heat-insulating non-load-bearing wall of the frame-structured building according to embodiment 3 of the present invention.
Description of the reference numerals:
a-level fireproof heat-preservation template 1
Interfacial agent layer 2
Wall 3
Wall body reinforcing steel bar 31
Lightweight concrete 32
Connecting piece 4
Anchor disc 41
Anchor rod 42
Stop structure 43
Inner side formwork 5
Viewing port 51
Grouting holes 52
Limiting clamp piece 6
Outer side support system 7
Inner side support system 8
Plugging structure 9
Finishing layer 10
Leveling course 11
Reinforcing member 12
Metal bracket 13
First waterproof layer 14
A second waterproof layer 15
Reinforcing mesh 16
Bearing beam 100
Detailed Description
The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced.
Example 1
As shown in fig. 1 to 12, the embodiment discloses a method for constructing an energy-saving heat-insulating non-bearing wall of a frame structure building, which comprises the following steps: step 1, erecting an outer-side disassembly-free template, wherein the outer-side disassembly-free template is an A-level fireproof heat-insulation template 1, the combustion grade of the A-level fireproof heat-insulation template 1 is not lower than A2, the heat conductivity coefficient is less than or equal to 0.054W/(m.K), the bending load is more than or equal to 3000N, and the compression elastic modulus is more than or equal to 20000kPa; step 2, coating an interface agent on the inner side surface of the A-grade fireproof heat-insulation template 1 to form an interface agent layer 2; step 3, binding wall body steel bars 31 on the inner side of the A-level fireproof heat-insulation template 1 and installing connecting pieces 4; step 4, installing a limiting clamping piece 6 and an inner side template 5, wherein the inner side template 5 is positioned on the inner side surface of the wall body steel bar 31, and two ends of the limiting clamping piece 6 are respectively abutted against the A-grade fireproof heat-preservation template 1 and the inner side template 5; step 5, installing an inner and outer side template supporting system; step 6, pouring lightweight concrete 32 between the A-level fireproof heat-preservation template 1 and the inner side template 5, and coating the lightweight concrete 32 on the wall body reinforcing steel bars 31 to form a wall body 3; step 7, dismantling the inner and outer template supporting system; step 8, plugging the top of the wall body 3; step 9, arranging waterproof layers on the outer sides of the A-level fireproof heat-insulation templates 1 and plate seams for waterproof treatment, and arranging a plastering layer 10 on the outer side surfaces of the A-level fireproof heat-insulation templates 1; and 10, leveling the inner side of the wall body 3.
Compared with the traditional template construction sequence that the inner mold is erected firstly and the outer mold is erected secondly, the construction method of the energy-saving heat-insulating non-bearing wall body of the frame structure building adopts the method that the outer mold is erected firstly, if the inner mold is erected firstly and the outer mold is erected secondly, construction cannot be carried out, and the outer mold can be erected firstly to optimize the flatness and the verticality of the outer vertical surface of the building; and the supporting system for the inner side template and the outer side template is arranged to support and fix the A-level fireproof heat-preservation template 1 and the inner side template 5, so that the extremely high flatness and verticality of the outer vertical surface of the building are realized.
Compared with the traditional concrete material, the light concrete 32 cast-in-place process for realizing the energy-saving heat-insulating non-bearing wall body of the frame structure building has lighter weight; and the inner side of the A-level fireproof heat-insulation template 1 is a material contact surface with the lightweight concrete 32, so that the bonding strength of the A-level fireproof heat-insulation template 1 and the lightweight concrete 32 can be better ensured after the interface agent is coated, the tensile strength of the A-level fireproof heat-insulation template 1 is obviously improved, and the anti-falling effect of the A-level fireproof heat-insulation template 1 is further optimized.
The installation connecting piece 4 further strengthens the connection strength between the A-level fireproof heat-insulation template 1 and the wall body 3, provides necessary safe buffering time when the A-level fireproof heat-insulation template 1 is separated from the wall body 3 in an extreme case, and provides necessary time guarantee for maintenance at the place. Meanwhile, the problems of brick/plate seams and water leakage at the brick/plate seams which are necessary to adopt self-insulation materials are solved.
The reinforcing net 16 is arranged before leveling, the connecting piece 4 penetrates through the wall body 3 and is exposed out of the reinforcing net 16 arranged on the inner side surface of the wall body 3, and the leveling layer 11 is completely coated on the reinforcing net 16 during leveling, so that the leveling layer 11 in the wall body 3 can be effectively prevented from cracking, and each layer of structure of the wall body is connected through the connecting piece 4, and the integrity of the wall body system is higher. Meanwhile, the construction method is convenient and fast, and is economical and efficient on the premise of ensuring safety.
Specifically, in step 1, the top end and the bottom end of the outer non-dismantling formwork may be installed on the bearing beam 100, and both sides of the outer non-dismantling formwork may be installed on the bearing columns. The outer-side disassembly-free template is an A-level fireproof heat-insulation template 1, the combustion grade of the A-level fireproof heat-insulation template 1 is A2, the heat conductivity coefficient is less than or equal to 0.054W/(m.K), the bending load is more than or equal to 3000N, and the compression elastic modulus is more than or equal to 20000kPa. The combustion grade meets the fireproof requirement of building design, the heat conductivity coefficient meets the energy-saving requirement of building design, and the performance indexes of bending load resistance and compression elasticity modulus meet the strength requirement of the material in the template construction process.
Wherein the compression strength of the A-grade fireproof heat-insulating template 1 is more than or equal to 0.30MPa, the tensile strength vertical to the plate surface is more than or equal to 0.20MPa, and the dry density is 160-220 kg/m 3 And the plate surface has no crack after 10 times of impact resistance experiments. Further, the safety of the heat-insulating material in the system can be better ensured.
In this embodiment, the material of the class a fireproof insulation template 1 is a silicon graphene insulation material. The silicon graphene thermal insulation material is adopted to realize the thermal insulation performance, so that the strength can meet the standard requirements of related products under the condition of the thermal insulation material with the same thickness, the fireproof performance reaches A2 level, an additional composite inorganic plate is not needed to strengthen the strength and the fireproof performance, and the thermal insulation performance and the fireproof performance of the energy-saving thermal insulation non-bearing wall body of the frame structure building are effectively ensured.
Of course, in other embodiments, the class a fireproof insulation formwork 1 includes a class a fireproof insulation layer and a high-efficiency insulation material layer, and the high-efficiency insulation material layer is connected to the inner side surface of the class a fireproof insulation layer. The high-efficiency heat insulation material layer is integrated on the inner side of the A-level fireproof heat insulation template 1, and the heat insulation effect can be further improved through the high-efficiency heat insulation material layer. Wherein, the high-efficient insulation material layer includes moulding polyphenyl board, extruded polystyrene board, graphite moulding polyphenyl board, graphite extruded polystyrene board, polyurethane insulation material, rock wool insulation material one or more. Thereby improving the overall heat-insulating effect of the finally formed frame structure building energy-saving heat-insulating non-bearing wall body and meeting the energy-saving requirement of ultra-low energy consumption.
In this embodiment, be provided with at least one stiffening component 12 in the A level fire prevention heat preservation template 1, stiffening component 12 is pre-buried in A level fire prevention heat preservation template 1, can effectively strengthen the self structural strength of A level fire prevention heat preservation template 1 through stiffening component 12, further improves the 1 rigidity physical properties index of A level fire prevention heat preservation template, effectively improves the security under the operating condition. The reinforcing member 12 may be made of one or more of a metal mesh, an FRP mesh, and an alkali-resistant glass fiber mesh. The FRP net is made of Fiber Reinforced Polymer (FRP).
In the step 2, an interface agent is coated on the inner side surface of the A-level fireproof heat-insulation template 1, so that the interface agent layer 2 is connected to the inner side surface of the A-level fireproof heat-insulation template 1, and after the light concrete 32 is poured subsequently, the interface agent layer 2 is connected to the A-level fireproof heat-insulation template 1 and the wall 3. The connection bonding strength of the A-level fireproof heat-preservation template 1 and the wall 3 can be further enhanced through the interface agent layer 2.
In step 3, wall body reinforcing steel bars 31 are bound on the inner side of the A-level fireproof heat-insulation template 1, and a connecting piece 4 is installed to connect the A-level fireproof heat-insulation template 1 and the wall body 3. Connecting piece 4 includes anchor disc 41 and stock 42, and anchor disc 41 supports by in the lateral surface of A level fire prevention insulation template 1, and the one end of stock 42 is connected in anchor disc 41, and the other end of stock 42 passes A level fire prevention insulation template 1 and exposes in the medial surface of A level fire prevention insulation template 1, and stock 42 is connected with wall body 3. The wall body 3 formed after the lightweight concrete 32 is poured completely wraps the anchor rod 42, so that an anchoring connection structure among the A-level fireproof heat-insulation template 1, the connecting piece 4 and the wall body 3 is formed. The anchoring connection structure can provide necessary safe buffering time when the A-level fireproof heat-insulation template 1 is separated from the wall body 3 in an extreme case, and provides necessary time guarantee for maintenance at the position.
The connecting element 4 is made of metal, and the anchor disc 41 and the anchor rod 42 in the connecting element 4 are made of metal so as to provide enough strength. More preferably, the connecting member 4 is stainless steel.
The outer surface of the connecting piece 4 is coated with a layer of heat insulating material. The heat insulation material layer can be totally or partially coated on the connecting piece 4, the heat insulation effect can be effectively enhanced through the heat insulation material layer, and a cold bridge is prevented from being generated at the connecting piece 4. Wherein, the material of the heat insulation material layer is made of heat insulation materials such as nylon, plastics or fiber reinforced composite materials.
Wherein, the partial structure of anchor rod 42 exposed out of the inner side of the grade a fireproof heat preservation template 1 can be connected with the wall body reinforcing steel bar 31. At least one reinforcing component 12 is arranged in the A-level fireproof heat-insulation template 1, and the connecting piece 4 penetrates through the A-level fireproof heat-insulation template 1 and penetrates through the reinforcing component 12. The connection strength of the structure is effectively enhanced, so that a more stable mechanical connection structure is formed, and the safety of the system is further ensured.
The number of the connecting pieces 4 is multiple, and the arrangement form of the connecting pieces 4 can be a quincuncial pile form.
The outer surface of the anchor rod 42 has a plurality of outwardly extending stop formations 43. Connecting piece 4 will effectively strengthen the joint strength with A level fire prevention heat preservation template 1 and wall body 3 through blockking structure 43, ensure that connecting piece 4 when the installation, light concrete 32 when pouring, effectively avoid taking place connecting piece 4 and deviate from and lead to the system to have the potential safety hazard, improved the safety and stability of frame construction building energy-conserving heat preservation non-bearing wall body greatly. In this embodiment, the blocking formation 43 extends outwardly to an inclined projection. In other embodiments, the blocking structure 43 may be a partial bend, a nut, a groove or a protrusion on the surface, a thickening, a screw opening, or a wave structure.
The outer side surface of the anchor disc 41 is flush with the outer side surface of the A-level fireproof heat-preservation template 1. Thereby further promote outside face roughness, straightness that hangs down to and reduce the construction thickness of outside rendering coat 10, and then reduce rendering coat 10 because of the too big circumstances that takes place to peel off, fall of thickness dead weight, improved the security of system greatly.
In step 4, the two ends of the limiting clamping piece 6 are respectively abutted against the A-level fireproof heat-insulating template 1 and the inner side template 5, so that the light concrete 32 is filled between the A-level fireproof heat-insulating template 1 and the inner side template 5, and the condition that the A-level fireproof heat-insulating template 1 and the inner side template 5 incline inwards or bulge is effectively avoided. Simultaneously, make the interval of adjusting between A level fire prevention heat preservation template 1 and the inboard template 5 through spacing fastener 6 to the realization is to 3 fill thickness's of wall body accurate control, has improved safety and stability greatly. Wherein, spacing fastener 6 is including chuck, gag lever post, and the inboard of A level fire prevention heat preservation template 1 is arranged in to the chuck, and the gag lever post is worn to locate the chuck and is run through in wall body reinforcing bar 31, and the afterbody supports the inboard of inboard template 5. The thickness of the light concrete wall body is consistent when the A-level fireproof heat-preservation template 1 and the inner side template 5 are reinforced, and the flatness of the wall surface after pouring is ensured.
In the step 5, the inner side supporting system 8 and the outer side supporting system 7 are respectively abutted against the outer side surfaces of the inner side template 5 and the A-level fireproof heat-insulation template 1, and the A-level fireproof heat-insulation template 1 and the inner side template 5 are supported and fixed, so that the extremely high flatness and perpendicularity of the outer vertical surface of the building are realized.
A grouting hole 52 is reserved at the top of the inner side template 5, and a plurality of observation holes 51 are formed in the inner side template 5; in step 6, the lightweight concrete 32 is poured in sections, and when the slurry overflows from the observation hole 51 at the corresponding position in the pouring process of the lightweight concrete 32, the pouring of the section is finished, and the observation hole 51 at the corresponding position is blocked by a plug until the position of the top grouting hole 52.
The lightweight concrete 32 material is a cement-based material with bubble cavities and/or a cement-based material filled with lightweight aggregates. Wherein, can have the bubble chamber in the lightweight concrete 32, can reach the effect of weight reduction through the bubble chamber, realize that frame construction building energy-saving keeps warm non-bearing wall's whole weight is lighter. The lightweight concrete 32 may also be filled with lightweight aggregate, which may be polyphenyl particles, ceramsite, expanded perlite, etc. Compared with the traditional concrete, the material of the lightweight concrete 32 has the effects of lightweight heat preservation and energy conservation, and an energy-saving wall structure formed by matching with a heat preservation template can better meet the building energy-saving requirement. By adopting the lightweight concrete 32 cast-in-place process, the bonding strength of the cement-based material and the A-grade fireproof heat-insulation template 1 is reliable, and the problems of brick/plate seams and water leakage at the brick/plate seams which are necessary to adopt self-insulation wall materials (such as autoclaved aerated concrete blocks, ALC (autoclaved lightweight concrete) battens and the like) are solved.
The A-level fireproof heat-insulation template 1 is made of a silicon graphene heat-insulation material, and the lightweight concrete 32 is made of a cement-based material with bubble cavities and/or a cement-based material filled with lightweight aggregate. The active silicon dioxide substance in the A-level fireproof heat-preservation template 1 and the calcium hydroxide substance in the cement-based material are hydrated to generate calcium silicate hydrate crystals in the cast-in-place process and the later-stage curing and using process, the connection strength of the A-level fireproof heat-preservation template 1 and the wall 3 can be effectively enhanced through the calcium silicate hydrate crystals, the tensile strength of the A-level fireproof heat-preservation template 1 is remarkably improved, and the anti-falling effect of the A-level fireproof heat-preservation template 1 is further optimized.
When the inner side formwork 5 is installed, because the system installation working condition is generally that the upper and lower bearing beams 100 of the wall body are constructed, grouting holes 52 are reserved at the top of the inner side formwork 5, and light concrete 32 is poured between the A-level fireproof heat-insulation formwork 1 and the inner side formwork 5 through the grouting holes 52 so as to conveniently pour the wall body 3. In the pouring process, the observation hole 51 is reserved in the corresponding position of the inner side template 5, the observation hole 51 can be proved to be finished in the pouring process, the observation hole 51 is plugged by a wooden plug, the pouring compactness of the lightweight concrete 32 is ensured, and the pouring quality of the wall body 3 is improved.
In step 7, after the lightweight concrete 32 is poured, the inner and outer sheathing systems 8 and 7 are dismantled. Meanwhile, a gap exists between the top of the wall body 3 and the bearing beam 100, the gap at the top of the wall body 3 is plugged by the plugging structure 9 in the step 8, and the plugging structure 9 can be made of fine aggregate concrete and plug the top.
And 2.5, performing waterproof reinforcement treatment of an anti-crack mortar embedded glass fiber mesh cloth at the joint of the inner side plate of the A-grade fireproof heat-insulation template 1 in step 2.5. The first waterproof layer 14 is arranged at the board seam on the inner side of the A-level fireproof heat-insulation template 1, the first waterproof layer 14 can prevent the board seam from leaking when the lightweight concrete 32 is poured, and meanwhile, the waterproof and reinforcing effects at the board seam are also achieved. The first waterproof layer 14 is made of anti-crack mortar with glass fiber mesh cloth inside.
As shown in fig. 9, 11 and 12, in step 9, a waterproof layer is provided on the outer side of the anchor disk 41 of the connecting member 4 and at the plate joint of the class a fireproof insulation formwork 1 to perform waterproof treatment. A first waterproof layer 14 is arranged at the joint of the inner side of the A-level fireproof heat-insulation template 1, a second waterproof layer 15 is arranged at the joint of the outer side plate of the A-level fireproof heat-insulation template 1 and the outer side of the anchor disc 41, and the second waterproof layer 15 can be made of one or more of anti-crack mortar built-in glass fiber mesh cloth, waterproof coating built-in non-woven fabric and waterproof breathable/air-barrier film. The waterproof layer can effectively block the penetration of external water vapor aiming at the plate joint and the part of the through connecting piece 4 so as to meet the use requirement of the building.
As shown in fig. 10, before step 10, the method further includes: and a reinforcing net 16 is arranged on the inner side of the wall body 3, wherein one end of the connecting piece 4 is connected to the A-level fireproof heat-preservation template 1, and the other end of the connecting piece 4 penetrates through the wall body 3 and is connected to the reinforcing net 16 at a position exposed out of the inner side surface of the wall body 3. The reinforcing net 16 is arranged before leveling, the connecting piece 4 penetrates through the wall body 3 and is exposed out of the reinforcing net 16 arranged on the inner side surface of the wall body 3, and the leveling layer 11 is completely coated on the reinforcing net 16 during leveling, so that the leveling layer 11 in the wall body 3 can be effectively prevented from cracking, and each layer of structure of the wall body is connected through the connecting piece 4, and the integrity of the wall body system is higher. Meanwhile, the construction method is convenient and fast, and is economical and efficient on the premise of ensuring safety.
The connecting piece 4 penetrates through the wall body 3 and is exposed out of the inner side surface of the wall body 3, a reinforcing net 16 is installed at the position, and a plastering layer 10 is arranged on the outer side surface of the A-level fireproof heat-preservation template 1. In step 10, the inner side of the wall 3 is leveled by the leveling layer 11, the leveling layer 11 is disposed on the inner side of the wall 3, and the leveling layer 11 is completely covered on the reinforcing mesh 16. Through with reinforcing mesh 16 erection joint in connecting piece 4 for reinforcing mesh 16 will set up in screed-coat 11, play to strengthen to screed-coat 11 and prevent ftractureing and reinforce intensity effect, and then form effective protection and strengthen overall structure joint strength to lightweight concrete 32. Wherein, the leveling layer 11 is made of cement mortar; preferably, the material of the leveling layer 11 is anti-crack mortar. The reinforcing mesh 16 is a sheet of steel mesh or other material.
As shown in fig. 1 to 12, the embodiment also discloses an energy-saving heat-insulating non-bearing wall of a frame structure building, which is constructed and manufactured by the above-mentioned construction method of the energy-saving heat-insulating non-bearing wall of the frame structure building.
The energy-saving heat-insulating non-bearing wall body of the frame structure building comprises an A-level fireproof heat-insulating template 1, an interface agent layer 2, a wall body 3 and a plurality of connecting pieces 4, wherein the wall body 3 comprises light concrete 32 and wall body steel bars 31, the A-level fireproof heat-insulating template 1 is arranged on the outer side surfaces of the wall body steel bars 31, the interface agent layer 2 is located between the A-level fireproof heat-insulating template 1 and the wall body steel bars 31, the light concrete 32 is poured and coated on the wall body steel bars 31 to form the wall body 3, so that the wall body 3 and the A-level fireproof heat-insulating template 1 are connected to the two sides of the interface agent layer 2 respectively, and the connecting pieces 4 are connected to the A-level fireproof heat-insulating template 1 and the wall body 3. The bonding strength of the A-level fireproof heat-insulating template 1 and the lightweight concrete 32 can be better ensured by adopting a lightweight concrete 32 cast-in-place process for the wall 3 and the interfacial agent layer 2, so that the bonding strength is reliable. Meanwhile, the connection strength between the A-level fireproof heat-insulation template 1 and the wall body 3 is further enhanced through the connecting piece 4, necessary safe buffering time is provided when the A-level fireproof heat-insulation template 1 is separated from the wall body 3 in an extreme case, and necessary time guarantee is provided for maintenance at the position.
The energy-saving heat-insulating non-bearing wall body of the frame structure building further comprises a plastering layer 10, and the plastering layer 10 is connected to the outer side face of the A-level fireproof heat-insulating template 1.
The energy-saving heat-insulating non-bearing wall body of the frame structure building further comprises a leveling layer 11, and the leveling layer 11 is connected to the inner side face of the wall body 3.
The energy-saving heat-insulating non-bearing wall body of the frame structure building further comprises a reinforcing net 16, one end of the connecting piece 4 is connected to the A-level fireproof heat-insulating template 1, the other end of the connecting piece 4 penetrates through the wall body 3 and is connected to the reinforcing net 16 at a position exposed out of the inner side face of the wall body 3, and the reinforcing net 16 is located in the leveling layer 11.
The energy-saving heat-insulating non-bearing wall body of the frame structure building further comprises a waterproof layer, and the waterproof layer is arranged at a plate joint of the A-level fireproof heat-insulating template 1.
The energy-saving heat-insulating non-bearing wall body of the frame structure building further comprises a limiting clamping piece 6, and the limiting clamping piece 6 penetrates through the wall body steel bars 31 and abuts against the inner side face of the A-level fireproof heat-insulating template 1.
The energy-saving heat-preservation non-bearing wall body of the frame structure building further comprises a blocking structure 9, and the blocking structure 9 is arranged at the top of the wall body 3.
Example 2
As shown in fig. 13, the construction method of the energy-saving heat-insulating non-load-bearing wall of the frame structure building and the energy-saving heat-insulating non-load-bearing wall of the frame structure building in this embodiment 2 are not repeated, and only the differences will be described. In the method for constructing the energy-saving heat-insulating non-bearing wall body of the frame structure building in the embodiment 2, the method further comprises a step 0.5 before the step 1, wherein the step 0.5 is to arrange a metal bracket 13; wherein, the metal bracket 13 is connected with the beam bottom and the floor part, so that the A-level fireproof heat preservation template 1 is installed and connected with the metal bracket 13. Metal bracket 13 will install the connection on spandrel girder 100 for follow-up when installation A level fire prevention heat preservation template 1, can be connected A level fire prevention heat preservation template 1 with metal bracket 13, the effect of holding in the palm is down drawn to A level fire prevention heat preservation template 1 to the realization through metal bracket 13, the installation is fixed temporarily, the roughness and the straightness that hangs down of A level fire prevention heat preservation template 1 of lateral surface are ensured to the work progress, make A level fire prevention heat preservation template 1 in the system more safe, reliable simultaneously. The shape of the metal bracket 13 may be T-shaped, L-shaped, I-shaped, or the like.
In the energy-saving heat-insulating non-bearing wall body of the frame structure building of the embodiment, the energy-saving heat-insulating non-bearing wall body of the frame structure building further comprises at least one metal bracket 13, and the metal bracket 13 is connected to the bottom and/or the top of the class-a fireproof heat-insulating template 1.
Example 3
As shown in fig. 14, the construction method of the energy-saving heat-insulating non-load-bearing wall body of the frame structure building and the energy-saving heat-insulating non-load-bearing wall body of the frame structure building in the embodiment 3 are not repeated, and only the differences will be described. In this embodiment 1, the inner formwork 5 is not a non-dismantling heat preservation formwork, and will be dismantled together with the inner and outer formwork support systems in step 7. In this embodiment 3, the inner formwork 5 is a non-detachable heat insulating formwork. Will not be removed and attached to the wall 3 in step 7. The combination of the A-grade fireproof heat-insulation template 1 on the outer side, the wall body 3 with the lightweight concrete 32 in the middle and the disassembly-free heat-insulation template on the inner side is realized, so that the energy-saving heat-insulation effect of the energy-saving heat-insulation non-bearing wall body of the frame structure building can be further improved, and the requirement of higher standard building energy conservation can be met.
The energy-saving heat-insulating non-bearing wall body of the frame structure building further comprises a disassembly-free heat-insulating template, the disassembly-free heat-insulating template and the A-level fireproof heat-insulating template 1 are respectively arranged on the inner side and the outer side of the wall body steel bars 31, and the lightweight concrete 32 is poured on the wall body steel bars 31 so that the disassembly-free heat-insulating template is connected to the inner side face of the wall body 3.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.

Claims (15)

1. A construction method of a frame structure building energy-saving heat-preservation non-bearing wall is characterized by comprising the following steps:
step 1, erecting an outer-side disassembly-free template, wherein the outer-side disassembly-free template is an A-level fireproof heat-insulation template, the combustion grade of the A-level fireproof heat-insulation template is not lower than A2 level, the heat conductivity coefficient is not more than 0.054W/(m.K), the bending load is not less than 3000N, and the compression elastic modulus is not less than 20000kPa;
step 2, coating an interface agent on the inner side surface of the A-grade fireproof heat-insulation template to form an interface agent layer;
step 3, binding wall body steel bars on the inner side of the A-level fireproof heat-insulation template and installing connecting pieces;
step 4, installing a limiting clamping piece and an inner side template, wherein the inner side template is positioned on the inner side surface of the wall body steel bar, and two ends of the limiting clamping piece are respectively abutted against the A-grade fireproof heat-insulation template and the inner side template;
step 5, installing an inner side template supporting system and an outer side template supporting system;
step 6, pouring lightweight concrete between the A-level fireproof heat-insulation template and the inner side template, and coating the lightweight concrete on the wall body reinforcing steel bars to form a wall body;
step 7, dismantling the inner and outer side template supporting systems;
8, plugging the top of the wall;
step 9, arranging waterproof layers on the outer sides of the A-level fireproof heat-insulation templates and plate joints for waterproof treatment, and arranging a finishing layer on the outer side surfaces of the A-level fireproof heat-insulation templates;
and 10, leveling the inner side of the wall body.
2. The method for constructing an energy-saving and heat-insulating non-load-bearing wall body of a frame structure building according to claim 1, characterized by further comprising the step 0.5 before the step 1, wherein the step 0.5 is to provide a metal bracket; the metal bracket is connected with the beam bottom and the floor slab part, so that the A-level fireproof heat-preservation template is installed and connected with the metal bracket.
3. The construction method of the energy-saving heat-insulating non-load-bearing wall body of the frame structure building as claimed in claim 1, wherein the step 2 is further followed by a step 2.5, and the step 2.5 is a waterproof reinforcing treatment of an anti-crack mortar embedded glass fiber mesh cloth at the inner side plate joint of the A-grade fireproof heat-insulating template.
4. The construction method of the energy-saving heat-insulating non-bearing wall body of the frame structure building as claimed in claim 1, wherein the compression strength of the A-level fireproof heat-insulating template is not less than 0.30MPa, the tensile strength perpendicular to the plate surface is not less than 0.20MPa, and the dry density is 160-220 kg/m 3 (ii) a The impact resistance of the A-grade fireproof heat-insulation template is tested for 10 times, and the surface of the A-grade fireproof heat-insulation template is free of cracks after the impact resistance test.
5. The method for constructing an energy-saving heat-insulating non-load-bearing wall of a frame structure building as claimed in claim 1, wherein at least one reinforcing member is arranged in the A-level fireproof heat-insulating formwork, and the connecting member penetrates through the A-level fireproof heat-insulating formwork and is arranged through the reinforcing member.
6. The construction method of the energy-saving heat-insulating non-bearing wall body of the frame structure building as claimed in claim 1, wherein the connecting member comprises an anchor disc and an anchor rod, the anchor disc is abutted against the outer side surface of the class A fireproof heat-insulating template, one end of the anchor rod is connected to the anchor disc, the other end of the anchor rod penetrates through the class A fireproof heat-insulating template and is exposed out of the inner side surface of the class A fireproof heat-insulating template, and the anchor rod is connected with the wall body.
7. An energy-saving heat-insulating non-load-bearing wall construction method for a frame structure building according to claim 6, wherein the outer surface of the anchor rod is provided with a plurality of blocking structures extending outwards;
and/or the outer side surface of the anchor disc is flush with the outer side surface of the A-level fireproof heat-insulation template.
8. A method for constructing an energy-saving heat-insulating non-load-bearing wall body of a frame structure building as claimed in claim 1, wherein the connecting member is made of metal, preferably stainless steel;
and/or the outer surface of the connecting piece is coated with a heat insulation material layer.
9. The method for constructing an energy-saving heat-insulating non-load-bearing wall body of a frame structure building as claimed in claim 1, wherein the inner side formwork is a disassembly-free heat-insulating formwork.
10. The construction method of the energy-saving heat-insulating non-bearing wall body of the frame structure building as claimed in claim 1, wherein grouting holes are reserved at the top of the inner side formwork, and a plurality of observation holes are formed in the inner side formwork;
in the step 6, the light concrete is poured in sections, the pouring of the section is proved to be completed when the observation holes at the corresponding parts have slurry overflowing in the pouring process of the section of light concrete, and the observation holes at the corresponding parts are plugged by plugs until the grouting holes at the top.
11. An energy-saving heat-insulating non-load-bearing wall construction method for a frame structure building according to claim 1, wherein the lightweight concrete material is a cement-based material with bubble cavities and/or a cement-based material filled with lightweight aggregate.
12. The construction method of the energy-saving heat-insulating non-bearing wall body of the frame structure building as claimed in claim 1, wherein the material of the A-level fireproof heat-insulating template is a silicon graphene heat-insulating material.
13. The construction method of the energy-saving heat-insulating non-bearing wall body of the frame structure building as claimed in claim 1, wherein the A-level fireproof heat-insulating template comprises an A-level fireproof heat-insulating layer and a high-efficiency heat-insulating material layer, and the high-efficiency heat-insulating material layer is connected to the inner side surface of the A-level fireproof heat-insulating layer.
14. The method for constructing an energy-saving heat-insulating non-load-bearing wall body of a frame structure building according to claim 1, further comprising installing a reinforcing net on the inner side of the wall body before the step 10, wherein one end of the connecting member is connected to the class-a fireproof heat-insulating formwork, and the other end of the connecting member penetrates through the wall body and is connected to the reinforcing net at a position exposed out of the inner side surface of the wall body.
15. The method for constructing an energy-saving heat-insulating non-load-bearing wall body of a frame structure building according to claim 1, wherein in the step 10, the inner side of the wall body is leveled by a leveling layer, and the material of the leveling layer is cement mortar; preferably, the leveling layer is made of anti-crack mortar.
CN202211112023.2A 2022-09-13 2022-09-13 Construction method of energy-saving heat-insulating non-bearing wall body of frame structure building Pending CN115387500A (en)

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