CN105544815B - One kind is cast-in-place to build prefabricated whole assembly heat preservation exterior sheathing assembling structure free of demolition - Google Patents

One kind is cast-in-place to build prefabricated whole assembly heat preservation exterior sheathing assembling structure free of demolition Download PDF

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Publication number
CN105544815B
CN105544815B CN201610084725.2A CN201610084725A CN105544815B CN 105544815 B CN105544815 B CN 105544815B CN 201610084725 A CN201610084725 A CN 201610084725A CN 105544815 B CN105544815 B CN 105544815B
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China
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heat preservation
precast facade
prefabricated
die plate
exterior sheathing
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CN105544815A (en
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张东
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TIANJIN GOLDEN VIRTUE ENERGY SOURCES TECHNOLOGY DEVELOPMENT Co Ltd
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TIANJIN GOLDEN VIRTUE ENERGY SOURCES TECHNOLOGY DEVELOPMENT Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84Walls made by casting, pouring, or tamping in situ
    • E04B2/86Walls made by casting, pouring, or tamping in situ made in permanent forms
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78Heat insulating elements
    • E04B1/80Heat insulating elements slab-shaped

Abstract

The present invention relates to it is a kind of it is cast-in-place build prefabricated whole assembly heat preservation exterior sheathing assembling structure free of demolition, it is cast-in-place to build prefabricated whole assembly heat preservation exterior sheathing assembling structure free of demolition, including precast facade compound heat preservation die plate monomer;Prefabricated whole assembly heat preservation exterior sheathing is formed after the splicing of precast facade compound heat preservation die plate monomer;The prefabricated whole assembly heat preservation exterior sheathing is fixedly mounted on precast facade and keeps the temperature on outer mould bases, and the precast facade heat preservation external mold is provided with and extends transversely through wall steel bar, precast facade keeps the temperature the split bolt component of outer mould bases and inner template;The precast facade compound heat preservation die plate monomer is equipped with the first prefabricated connector being inserted into wall steel bar.Compared with prior art, using integral prefabricated lifting, the secondary construction of insulating layer is saved;Make insulating layer and main structure integrated same service life, increases the durability of insulating layer;It can be improved construction wall thermal insulation property, improve build guality;Construction exterior sheathing and external scaffolding can be saved using this system, improve construction efficiency.

Description

One kind is cast-in-place to build prefabricated whole assembly heat preservation exterior sheathing assembling structure free of demolition
Technical field
The invention belongs to external wall technical fields, build prefabricated whole assembly heat preservation free of demolition more particularly to one kind is cast-in-place Exterior sheathing assembling structure.
Background technique
Stringent control of the compulsory execution and city management of building energy-saving standard to building waste and construction noise.
Traditional shear wall construction is after the completion of reinforcing bar Peng is pricked, and worker installs respectively on the landing stage of scaffold and floor Outside, interior template and support system, inner and outer template is in inner support (being generally fixed on steel reinforcement cage with wall thickness equal length reinforcing bar) and right It draws bolt or under the collective effect for drawing band iron, forms concrete placings cavity, after concrete reaches strength of mould stripping, remove template and support.
Currently, in order to reach power conservation requirement, newly-built concrete shear wall external wall is both needed to the construction of insulating layer, existing skill Art solves the problems, such as that the scheme of heat preservation mainly has two kinds, first is that be placed on the inside of exterior sheathing with the adiabator plate with steel wire, It after demoulding, plasters in conjunction with concrete wall by plugging wire when concrete placings, make decoration of exterior wall;Second is that concrete main body is first constructed, after paste guarantor Warm plate makees wall decoration after screening, nailing are reinforced.This two kinds of schemes are both needed to scaffolding again or hanger, have plastering, apply The wet constructions such as material, there are high-altitude applications and fire hazard, and the quality accident that insulating layer falls off also once occurred.There is long in time limit, investment Big reality.
A kind of precast facade formwork structure system and its construction method with heat insulation function, patent are disclosed in the prior art Application number: 201510436301.3;It proposes precast concrete outer wall template, that is, includes precast concrete outer wall template, it is prefabricated mixed It is fixed with insulating layer on the inside of solidifying soil outer wall template, cast-in-place shear wall has been poured on the inside of insulating layer, needed for reaching to concrete It removes inner template after intensity, forms cast-in-place shear wall, form outer wall template containing precast concrete, insulating layer, cast-in-place shear wall External wall system.But the intensity of depending merely on precast concrete outer wall template and insulating layer when implementing is at all unbearable to pour coagulation Soil self weight and when vibrating to the lateral pressure of template, it is inadequate for relying solely on split bolt, it is easy to swollen mould etc. be caused to ask Topic;In addition after timely pouring molding, from the point of view of durability, fastness test, insulating layer bears self weight and precast concrete at all The weight of outer wall template, in turn results in and falls off;It is main reason is that insulating layer and the direct pouring molding of walls concrete, first The insulating layer mutability under larger tension force effect causes hollowing occur with walls concrete bonding place;Two kinds of material insulating layers with The bonding of concrete is not bonded, and cohesive force is also relatively poor, and expected purpose is not achieved at all, so implement the technology without Method practice and extension, equally, there is also the problems with insulating layer junction for precast concrete outer wall template.
Summary of the invention
The present invention is to solve technical problem present in well-known technique and provide a kind of increase thermal insulation property durability, is reduced Construction cost shortens the construction period, and saves the secondary construction of insulating layer, can be improved construction wall thermal insulation property, improve build guality, Meet National Fire design specification, the self-heat conserving preferably to contribute for energy-saving and emission-reduction it is permanent it is cast-in-place build it is prefabricated free of demolition whole Body assembly heat preservation exterior sheathing assembling structure.
The technical scheme adopted by the present invention to solve the technical problems existing in the known art is that
One kind is cast-in-place to build prefabricated whole assembly heat preservation exterior sheathing assembling structure free of demolition, it is characterised in that: including prefabricated outer Wall compound heat preservation die plate monomer;Prefabricated whole assembly heat preservation exterior sheathing is formed after the splicing of precast facade compound heat preservation die plate monomer;
The prefabricated whole assembly heat preservation exterior sheathing is fixedly mounted on precast facade and keeps the temperature on outer mould bases, the precast facade Heat preservation external mold is provided with and extends transversely through wall steel bar, precast facade keeps the temperature the split bolt component of outer mould bases and inner template;Institute It states precast facade compound heat preservation die plate monomer and is equipped with the first prefabricated connector being inserted into wall steel bar.
The present invention can also use following technical measures:
The first prefabricated connector includes shear connector and/or is fixedly mounted with connector, and the shear connector setting exists Between adjacent precast facade compound heat preservation die plate monomer splicing seams;The connector that is fixedly mounted with is from precast facade compound heat preservation die plate The lateral surface of monomer runs through entire precast facade compound heat preservation die plate monomer, and stretches out in precast facade compound heat preservation die plate monomer Side.
It includes the external mould frame surrounded by upper beam, lower beam, left vertical beam and right vertical beam that the precast facade, which keeps the temperature outer mould bases,; Mast-up is also equipped on the external mould frame;Medial surface upper beam, lower beam, left vertical beam and the right vertical beam of the external mould frame are located at On same datum level;In external mould frame the upper beam, lower beam medial surface be equipped with and precast facade compound heat preservation die plate list First connection frame of body connection;The lateral surface of the external mould frame is connected with outer support frame;External mould frame lateral surface along height side To the left at least provided with one group of preload crossbeam between vertical beam and right vertical beam;Installed in the preload crossbeam connect with inner template to drawing Bolt assembly;Several heat insulation formwork supporting beams are being equipped at intervals in external mould frame between upper beam and lower beam;Several heat insulation formworks The medial surface of supporting beam is located on same datum level with upper beam, lower beam, left vertical beam and right vertical beam;Each heat insulation formwork branch The short transverse of the side or two lateral edge heat insulation formwork supporting beams of supportting beam is equipped with to be connected with precast facade compound heat preservation die plate monomer The second connection frame connect;Detachable second prefabricated connector is installed on second connection frame;In external mould frame the upper beam, The side of lower beam is equipped with the connection long hole for connecting the outer mould bases of contiguous prefabricated exterior-wall heat insulation.
Precast facade is installed on the outer support frame and keeps the temperature outer mould bases verticality adjusting device;The adjustment device includes Support base is movably installed with adjusting screw in the support base, and swivel nut is fitted on the adjusting screw, and the swivel nut is solid Dingan County is on outer support frame.
The advantages and positive effects of the present invention are: being had the advantage that since the present invention uses above-mentioned technology
1, insulating layer is combined with precast facade compound heat preservation die plate, saves the secondary construction of insulating layer, can be improved and build Wall insulation performance is built, build guality is improved, meets national exterior wall fireproof code requirement, while wall and outer guarantor may be implemented Warm simultaneous construction, and then preferably contribute for energy-saving and emission-reduction.
2, prefabricated whole assembly insulation board uses composite construction, i.e. insulating layer is arranged in cement-based mortar outer coversheet Side avoids exposing to the weather, increases the durability of insulating layer.
3, the corresponding inside of exterior sheathing is kept the temperature in prefabricated whole assembly and set up inner template, then connection component is passed through into inner template Outer mould bases is kept the temperature with prefabricated whole assembly heat preservation exterior sheathing and precast facade and is fixedly connected, and building exterior sheathing and outer foot can be saved Hand cradle improves construction efficiency, reduces cost, shorten the construction period.
4, outer mould bases is kept the temperature using precast facade, to support the self weight of powerful concrete, while can resists and pour When vibrate generated lateral force;Solve the problems, such as that prior art exterior sheathing bearing capacity is poor, because insulating layer deformation due to caused by There is the problem of hollowing in junction.
5, the connection with concrete wall is improved in preset connector in precast concrete outer wall template, overcomes external thermal insulation The shearing force of plate self weight, improves fastness, extends the durability of insulating layer, fundamentally solves exterior wall heat-preserving system presence and opens It splits, play drum and fall off and other issues;
6, factory normalization production and processing may be implemented in the present invention, solves bringing for execute-in-place in construction process Quality uncontrollability;
7, the present invention is basic realizes heat preservation and builds the same service life.
In conclusion this practical provides that a kind of self-heat conserving, permanent cast-in-place to build prefabricated whole assembly heat preservation free of demolition outer Template assembling structure.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is the left view of Fig. 3;
Fig. 3 is the right view of Fig. 3;
Fig. 4 is Fig. 3 left view perspective view;
Fig. 5 is the right parallax stereogram of Fig. 3;
Fig. 6 is the structural schematic diagram of Construction State of the present invention;
Fig. 7 is shear wall structure schematic diagram after molding;
Fig. 8 and Fig. 8 a is precast facade compound heat preservation die plate monomer structure schematic diagram;
Fig. 9 is to be fixedly mounted with connecting-piece structure schematic diagram;
Figure 10 is the first preload gland structure schematic diagram in Fig. 9;
Figure 11 is the second prefabricated connecting-piece structure schematic diagram;
Figure 12 is the second preload gland body structural schematic diagram in Figure 11;
Figure 13 is the second prefabricated connector and the first connection frame or the second connection frame attachment structure schematic diagram;
Figure 14 is shear connector structural schematic diagram;
Figure 15 is A-A cross-sectional view in Figure 14;
Figure 16 is that the precast facade with unilateral external corner keeps the temperature outer mould bases structural schematic diagram;
Figure 17 is that the precast facade with bilateral external corner keeps the temperature outer mould bases structural schematic diagram;
Figure 18 is to keep the temperature outer mould bases structural schematic diagram with unilateral inner corner trim precast facade;
Figure 19 is to keep the temperature outer mould bases structural schematic diagram with jack to jack adapter angle precast facade;
Figure 20 is with the prefabricated whole assembly heat preservation exterior sheathing splicing structure schematic diagram in fire-blocking belt.
In figure: 100, inner template;
200, prefabricated whole assembly heat preservation exterior sheathing;210, precast facade compound heat preservation die plate monomer;211, pregroove marks; 212, first slot is pre-tightened;213, second slot is pre-tightened;214, cement-based mortar outer coversheet;215, vitrification micropearl morttar transition zone; 216, binding sand pulp layer;217, phenol formaldehyde foam insulating layer;218, rock wool heat-preservation layer;219, cement-based mortar internal surface layer;220, glass Fibre web cloth or zinc-plated weldering net;230, latticed reinforcing rib;
300, shear wall;
400, wall steel bar;
500, precast facade keeps the temperature outer mould bases;501, upper beam;501-1, connection long hole;502, lower beam;503, Zuo Li Beam;504, right vertical beam;505, mast-up;506, the first connection frame;507, outer support frame;508, crossbeam is pre-tightened;509, mould is kept the temperature Plate supporting beam;510, the second connection frame;511, the second prefabricated connector;5110, the second pre- gland;5110-1, second pre-tighten Gland body;5110-2, mounting hole;5111, the second pretension bolt;5111-1, the second nut;5111-2, the second screw rod; 5112, third pre-load nut;512, device is adjusted;5120, support base;5121, adjusting screw;5122, swivel nut;
600, split bolt component;
710, shear connector;711, shear resisting board;712, horizontal plate;713, Y type anchors end;720, it is fixedly mounted with connection Part;721, the first pretension bolt;7210, the first nut;7211, slot is screwed;7212, the first screw rod;722, the first pre- gland; 7220, first gland body is pre-tightened;7221, mounting hole;723, the first locking nut;724, the second locking nut;
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing Detailed description are as follows:
Fig. 1 to Fig. 7 is please referred to, one kind is cast-in-place to build prefabricated whole assembly heat preservation exterior sheathing assembling structure free of demolition, including pre- Exterior wall composite thermal insulation template monomer 210 processed forms prefabricated whole assembly heat preservation after the splicing of precast facade compound heat preservation die plate monomer Exterior sheathing 200, the prefabricated whole assembly heat preservation exterior sheathing 200 is fixedly mounted on precast facade and keeps the temperature on outer mould bases 500, described The prefabricated whole assembly heat preservation exterior sheathing that precast facade keeps the temperature outer mould bases 500 and is mounted on the outer mould bases of precast facade heat preservation is whole It is lifted on the outside of wall steel bar 400, and corresponding with the inner template on the inside of wall steel bar, and is equipped with laterally in wall steel bar The split bolt component 600 of outer mould bases 500 and inner template 100 is kept the temperature through wall steel bar 400, precast facade;It is described prefabricated outer Wall compound heat preservation die plate monomer 201 is equipped with the first prefabricated connector being inserted into wall steel bar, the first prefabricated connection Part is now cast in shear wall 300.
During actual construction, cast-in-place shear wall of building is formed between prefabricated whole assembly heat preservation exterior sheathing 200 and inner template 100 Inner cavity, it is intracavitary inside to be banded with wall steel bar 400;The inside of the prefabricated whole assembly heat preservation exterior sheathing is cast-in-place shear wall 300, the cast-in-place shear wall 300 is that the inner template 100 installed with prefabricated whole assembly heat preservation exterior sheathing 200 and its inside is Support cast in situs forms;
In above structure, the first prefabricated connector includes shear connector 710 and/or is fixedly mounted with connector 720, described Shear connector 710 is arranged between adjacent 210 splicing seams of precast facade compound heat preservation die plate monomer;It is described to be fixedly mounted with connector 720 run through entire precast facade compound heat preservation die plate monomer 210 from the lateral surface of precast facade compound heat preservation die plate monomer 210, And stretch out 210 medial surface of precast facade compound heat preservation die plate monomer.
Figure 14 and Figure 15 are please referred to, the shear connector 710 mainly includes shear resisting board 711, one end of the shear resisting board It is symmetrically bent with horizontal plate 712, the plate is inserted into contiguous prefabricated 210 side of exterior wall composite thermal insulation template monomer respectively and opens If pregroove marks 211 in;The other end of the shear resisting board is equipped with Y type and anchors end 713, the Y type anchoring end and shear wall 300 one are cast-in-place to build together.
Fig. 9 and Figure 10 are please referred to, the connector 720 that is fixedly mounted with mainly includes the first pretension bolt 721, and described first pre-tightens The first pre- gland 722 is set on bolt 721, first pre- 722 spiral-lock of gland is in precast facade compound heat preservation die plate First pre-tightens in slot 212 on 210 lateral surface of monomer, and the first locking nut 723 and second is equipped on first pretension bolt 721 Locking nut 724;Wherein the first pretension bolt 721 and the first pre- gland 722 are fastened on prefabricated outer by the first locking nut 723 On wall compound heat preservation die plate monomer 210;The outer end insertion that second locking nut 724 is located at the first pretension bolt 721 is cut Within the walls, and shear wall is cast-in-place builds together for power.The first above-mentioned pretension bolt and the first pre- gland 722 can also be using one Structure.
First pretension bolt 721 includes the first nut 7210 and the first screw rod 7212, and the first nut outer end face is equipped with Slot 7211 is screwed, the inner face of the first nut is pyramidal structure;The first pre- gland 722 includes the first preload gland body 7220 and the mounting hole 7221 of the first pretension bolt is installed, the mounting hole is the pyramidal structure phase with the first nut inner face The taper hole matched;First pretension bolt 721 and the first pre- gland 722 and the first locking nut 723 are pre- next, guarantee first The lateral surface of the outer end face of pre- gland 722, the outer end face of the first nut 7210 and precast facade compound heat preservation die plate monomer 210 It is in the same plane, to guarantee that the outer surface of prefabricated whole assembly heat preservation exterior sheathing is relatively flat, convenient for the decoration of exterior wall Construction.
Fig. 3 to Fig. 7 is please referred to, it includes by upper beam 501, lower beam 502, a left side that the precast facade, which keeps the temperature outer mould bases 500, The external mould frame that vertical beam 503 and right vertical beam 504 surround;Mast-up 505 is also equipped on the external mould frame;The inside of the external mould frame Face upper beam, lower beam, left vertical beam and right vertical beam are located on same datum level, guarantee prefabricated laying precast facade complex heat-preservation mould Later period decoration construction is convenient in same level in the outer surface of precast facade compound heat preservation die plate monomer after plate monomer;Outside The framed interior upper beam 501, lower beam 502 medial surface be equipped with and connect with precast facade compound heat preservation die plate monomer 210 L-type structure is made in first connection frame 506, first connection frame, convenient for welding with the medial surface of upper beam 501, lower beam 502 Together;The lateral surface of the external mould frame is connected with outer support frame 507;External mould frame lateral surface along the left vertical beam of short transverse and At least provided with one group of preload crossbeam 508 between right vertical beam;The split bolt group connecting with inner template is installed in the preload crossbeam Part 600, the purpose of split bolt component 600 are precast facade keeping the temperature outer mould bases 500, precast facade compound heat preservation die plate 200 and inner template 100 be connected as an entirety, guarantee not fall apart when pouring.
Several heat insulation formwork supporting beams 509 are being equipped at intervals in external mould frame between upper beam 501 and lower beam 502;It is several The medial surface of heat insulation formwork supporting beam is located at same base with upper beam 501, lower beam 502, Zuo Liliang 503 and right vertical beam 504 On quasi- face;The short transverse of the side of each heat insulation formwork supporting beam 509 or two lateral edge heat insulation formwork supporting beams be equipped with it is pre- Second connection frame 510 of exterior wall composite thermal insulation template monomer connection processed, in order to simplify production, second connection frame 510 is also made L-shaped structure;Detachable second prefabricated connector 511 is installed on second connection frame 510;Figure 11 is please referred to Figure 13;Institute Stating the second prefabricated connector 511 includes the second pre- gland 5110 and the second pretension bolt 5111, the second pre- gland 5110 spiral-locks pre-tighten in slot 213 the second of the inside of precast facade compound heat preservation die plate monomer 210, the second pretension bolt 5111 from The first connection frame 506 and the second connection frame 510 are stretched out and passed through in the inside of precast facade compound heat preservation die plate monomer 210, Detachable third pre-load nut is equipped on the second pretension bolt of lateral surface 5111 of one connection frame 506 and the second connection frame 510 5112;The second above-mentioned pretension bolt 5111 includes the second nut 5111-1 and the second screw rod 5111-2, second nut 51110 outer end faces, which are equipped with, screws slot 5111-3, and the inner face of the second nut is pyramidal structure;The second pre- gland 5110 is wrapped It includes the second preload gland body 5110-1 and installs the mounting hole 5110-2, the mounting hole 5110-2 of the second pretension bolt 5111 For the taper hole to match with the pyramidal structure of the second nut 5111-1 inner face;Second pretension bolt 5111 and second pre-tightens Gland 5110 and third locking nut 5112 are pre- next, guarantee outer end face, the second nut 5111-1 of the second pre- gland 5110 Outer end face and precast facade compound heat preservation die plate monomer 210 lateral surface it is in the same plane;In external mould frame it is described on Crossbeam 501, lower beam 502 side be equipped with the connection long hole 501-1 for connecting the outer mould bases of contiguous prefabricated exterior-wall heat insulation.Above-mentioned Second pre- gland 5110 of two prefabricated connectors 511 and the second pretension bolt 5111 can also use integral structure.
According to actual architectural design, the precast facade, which is kept the temperature, can also be integrally formed with external corner frame (such as on outer mould bases Figure 16 and Figure 17) or inner corner trim frame (such as Figure 18), it can also be there are two inner corner trim frame (such as Figure 19).
Precast facade is installed on the outer support frame 507 and keeps the temperature outer mould bases verticality adjusting device 512;The adjustment dress Setting 512 includes support base 5120, is movably installed with adjusting screw 5121 in the support base 5120, on the adjusting screw It is fitted with swivel nut 5122, the swivel nut 5122 is fixedly mounted on outer support frame 507.
Precast facade compound heat preservation die plate monomer 210 preferably using such as flowering structure, please refers to Fig. 8 and Fig. 8 a, i.e., from export-oriented It inside successively include cement-based mortar outer coversheet 214, vitrification micropearl morttar transition zone 215, binding sand pulp layer 216, phenol formaldehyde foam guarantor Warm layer 217 or rock wool heat-preservation layer 218 and cement-based mortar internal surface layer 219, wherein cement-based mortar outer coversheet, adhesive mortar Glass screen cloth or zinc-plated weldering net 220 are equipped in layer and cement-based mortar internal surface layer;It is protected in binding sand pulp layer and phenol formaldehyde foam Latticed reinforcing rib 230 is equipped between warm layer or rock wool heat-preservation layer.
External thermal insulation design requirement is built according to practical, increases fire prevention isolation in prefabricated whole assembly heat preservation exterior sheathing system Band, the material selection rock wool heat-preservation layer of the insulating layer of the precast facade compound heat preservation die plate monomer for forming fire-blocking belt, Such as Figure 20.
Precast facade template monomer uses above-mentioned composite construction, has the advantage that 1, design and construction are technically simple, is easy to It is widely applied.The load-carrying members form of cast-in-place concrete frame (frame is cut) structure is constant, and beam column and shear wall are still pressed now The quasi- Specification Design of rower, design standard and software for calculation are complete, and construction technology is mature, are easy to be widely applied.
2, reach integrated technique requirement, realize building heat preservation and wall with the purpose in service life.It will permanent compound guarantor The casting of the cast-in-situ concrete members such as beam column and shear wall of warm exterior sheathing and frame (frame is cut) structure together, and passes through connector Securely connection (tensile bearing capacity >=0.5Mpa) has reached Synchronization Design, synchronous construction, the synchronous technical requirements checked and accepted, has realized The purpose of building heat preservation and wall with the service life.
3, using multi-layer structure design pattern, intensity with higher and good thermal insulation property.Permanent complex heat-preservation Exterior sheathing is made of rock-wool heat insulation plate, inside and outside bonding enhancement layer and heat preservation transition zone etc., and mechanical strength with higher can be direct Exterior sheathing use is done, thermal and insulating performance is good, meets the standard requirements of building energy conservation 65%.
4, using this structure fire technical method, there is good fire protecting performance.Main facade is gathered by cement inside and outside insulating layer Object mortar cover cladding is closed, can effectively avoid the generation of fire phenomena in the construction process, after architectural engineering is completed, insulating layer Outside cement mortar protective course reaches 30mm or more, and fire protecting performance greatly improves, and meets the needs of security against fire.
5, being provided with for novelty keeps the temperature transition zone, avoids the common quality defects problem such as float coat hollowing, cracking.Permanent Property composite thermal-insulating exterior formwork structural shape design in be provided with heat preservation transition zone, alleviate what heat insulation formwork was generated by environmental change Strain, avoids the common quality defects problem such as float coat hollowing, cracking.
6, using engineering preformed patterns, it is ensured that product engineering quality.Permanent composite thermal-insulating exterior formwork all uses work Factoryization is prefabricated, and in use, no fraud opportunity, the generation for the phenomenon that prevented to use inferior materials and turn out substandard goods was poured in concrete Cheng Zhong has carried out on-site verification to the product quality of permanent composite thermal-insulating exterior formwork, effectively prevents counterfeit and shoddy goods use In architectural engineering.
7, integrated composite thermal-insulating exterior formwork uses multi-layer structure design, is provided with interior outboard bonds enhancement layer, improves The mechanical properties such as the anti-folding of heat insulation formwork, resistance to compression, shock resistance have reached cast in place concrete form using technical requirements, have reduced mould Plate dosage.
8, heat insulation core material uses high-performance pnenolic aldehyde foam heat-insulating board, and thermal coefficient is less than 0.024W/m.K, far superior to mesh The 0.032W/m.K of preceding mainstay material in the market, and since the material is thermosetting property thermal insulation material, it is excellent to have taken into account fire protecting performance. Heat insulation core material uses rock-wool heat insulation plate, which is that existing market keeps the temperature optimal inorganic material, it is ensured that the fire prevention of total system Property be entirely capable of being up to state standards as defined in A grades of fire-protection ratings.
The present invention, which also mentions, a kind of integrally cast-in-place with concrete builds applying for prefabricated whole assembly heat preservation exterior sheathing assembling structure free of demolition Work method, comprising the following steps:
(1), prefabricated inner template 100, precast facade compound heat preservation die plate monomer 210, precast facade keep the temperature outer mould bases 500;
(2), the shear connector 710 of the first prefabricated connector is installed on precast facade compound heat preservation die plate monomer and is fixedly mounted with Connector 720 and the second prefabricated connector 511, and be assembled in precast facade and keep the temperature formation and precast facade guarantor on outer mould bases The prefabricated whole assembly heat preservation exterior sheathing 200 of the outer mould bases one of temperature;
(3), the cast-in-place wall steel bar 400 for building shear wall is bound on the inside of prefabricated whole assembly heat preservation exterior sheathing,
(4), precast facade is kept the temperature outer mould bases 500 to lift in place, and supports fixation, installed on the inside of wall steel bar interior Template 100, inner template are installed using the prior art, and this will not be repeated here;Precast facade is kept the temperature into outer mould bases 400 and inner template again 100 are tightly connected in advance by split bolt component;The split bolt component uses the prior art, and the split bolt component includes Through wall steel bar, the wall bushing of precast facade heat preservation outer mould bases and inner template, the pretension bolt being installed in wall bushing, Inner template is stretched out in one end of the pretension bolt, and the other end of pretension bolt stretches out the preload crossbeam on outer membrane frame, is pre-tightening spiral shell The both ends of bolt are fitted with pre-load nut respectively;Adjust the second locking screw that connector is fixedly mounted on prefabricated whole assembly heat preservation exterior sheathing Mother 724;Then adjustment precast facade keeps the temperature the verticality adjusting device 512 on the outside of outer mould bases, and adjustment precast facade keeps the temperature external mold The verticality of frame after adjustment is vertical, adjusts split bolt component on the basis of keeping the temperature outer mould bases according to adjustment precast facade again, so that The outer mould bases of precast facade heat preservation is parallel with inner template to be tightly connected in advance;
(5), the casting concrete into the wall steel bar between inner template and prefabricated whole assembly heat preservation exterior sheathing;
(6), inner template is removed after concrete reaches required intensity and precast facade keeps the temperature outer mould bases, forms cast-in-place shearing Wall forms the external wall system containing prefabricated whole assembly heat preservation exterior sheathing, cast-in-place shear wall.
In summary the invention has the following advantages that
1, insulating layer is combined with assembled template component, saves the secondary construction of insulating layer, can be improved construction wall Thermal insulation property improves build guality, meets national exterior wall fireproof code requirement, while wall and the external thermal insulation same period may be implemented Construction, and then preferably contribute for energy-saving and emission-reduction.
2, prefabricated whole assembly insulation board uses composite construction, i.e. insulating layer is arranged in cement-based mortar outer coversheet Side avoids exposing to the weather, increases the durability of insulating layer.
3, the corresponding inside of exterior sheathing is kept the temperature in prefabricated whole assembly and set up inner template, then connection component is passed through into inner template Outer mould bases is kept the temperature with prefabricated whole assembly heat preservation exterior sheathing and precast facade and is fixedly connected, and building exterior sheathing and outer foot can be saved Hand cradle improves construction efficiency, reduces cost, shorten the construction period.
4, outer mould bases is kept the temperature using precast facade, to support the self weight of powerful concrete, while can resists and pour When vibrate generated lateral force;Solve the problems, such as that prior art exterior sheathing bearing capacity is poor, because insulating layer deformation due to caused by There is the problem of hollowing in junction.
5, the connection with concrete wall is improved in preset connector in precast concrete outer wall template, overcomes external thermal insulation The shearing force of plate self weight, improves fastness, extends the durability of insulating layer, fundamentally solves exterior wall heat-preserving system presence and opens It splits, play drum and fall off and other issues;
6, factory normalization production and processing may be implemented in the present invention, solves bringing for execute-in-place in construction process Quality uncontrollability;
7, the present invention is basic realizes heat preservation and builds the same service life.
In conclusion the present invention increases thermal insulation property durability, reduces construction cost, shortens the construction period, save insulating layer two Secondary construction can be improved construction wall thermal insulation property, improve build guality, meet National Fire design specification, can reach Fire prevention A grade standard.
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form, Any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to In the range of technical solution of the present invention.

Claims (1)

1. one kind is cast-in-place to build prefabricated whole assembly heat preservation exterior sheathing assembling structure free of demolition, it is characterised in that: including precast facade Compound heat preservation die plate monomer;Prefabricated whole assembly heat preservation exterior sheathing is formed after the splicing of precast facade compound heat preservation die plate monomer;
The prefabricated whole assembly heat preservation exterior sheathing is fixedly mounted on precast facade and keeps the temperature on outer mould bases, the precast facade heat preservation Outer mould bases is equipped with and extends transversely through wall steel bar, precast facade keeps the temperature the split bolt component of outer mould bases and inner template;It is described pre- Exterior wall composite thermal insulation template monomer processed is equipped with the first prefabricated connector being inserted into wall steel bar;
The first prefabricated connector includes shear connector and/or is fixedly mounted with connector, and the shear connector is arranged adjacent Precast facade compound heat preservation die plate monomer splicing seams between;The connector that is fixedly mounted with is from precast facade compound heat preservation die plate monomer Lateral surface run through entire precast facade compound heat preservation die plate monomer, and stretch out on the inside of precast facade compound heat preservation die plate monomer Face, and be inserted into shear wall;
The shear connector mainly includes shear resisting board, and one end of the shear resisting board is symmetrically bent with horizontal plate, the plate It is inserted into the pregroove marks that contiguous prefabricated exterior wall composite thermal insulation template monomer side opens up respectively;The other end of the shear resisting board is set There is Y type to anchor end, Y type anchoring end with shear wall is integrally cast-in-place builds together;The precast facade keeps the temperature outer mould bases Including the external mould frame surrounded by upper beam, lower beam, left vertical beam and right vertical beam;Mast-up is also equipped on the external mould frame;
Medial surface upper beam, lower beam, left vertical beam and the right vertical beam of the external mould frame are located on same datum level;
In external mould frame the upper beam, lower beam medial surface be equipped with the connect with precast facade compound heat preservation die plate monomer One connection frame;
The lateral surface of the external mould frame is connected with outer support frame;
External mould frame lateral surface between the left vertical beam of short transverse and right vertical beam at least provided with one group of preload crossbeam;The preload The split bolt component connecting with inner template is installed in crossbeam;
Several heat insulation formwork supporting beams are being equipped at intervals in external mould frame between upper beam and lower beam;Several heat insulation formwork supporting beams Medial surface be located on same datum level with upper beam, lower beam, left vertical beam and right vertical beam;Each heat insulation formwork supporting beam The short transverse of side or two lateral edge heat insulation formwork supporting beams is equipped with the connect with precast facade compound heat preservation die plate monomer Two connection frames;Detachable second prefabricated connector is installed on second connection frame;
The upper beam, the side of lower beam are long equipped with the connection for connecting mould bases outside contiguous prefabricated exterior-wall heat insulation in external mould frame Hole;
Precast facade is installed on the outer support frame and keeps the temperature outer mould bases verticality adjusting device;The adjustment device includes support Pedestal is movably installed with adjusting screw in the support base, and swivel nut, the fixed peace of the swivel nut are fitted on the adjusting screw On outer support frame.
CN201610084725.2A 2016-02-07 2016-02-07 One kind is cast-in-place to build prefabricated whole assembly heat preservation exterior sheathing assembling structure free of demolition Active CN105544815B (en)

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