CN216865604U - Integrated form-removal-free prefabricated hollow wall body with decorative structure - Google Patents
Integrated form-removal-free prefabricated hollow wall body with decorative structure Download PDFInfo
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Abstract
The utility model relates to a decorative structure integrated form-removal-free prefabricated hollow wall and a construction method thereof. The decorative structure integrated form-removal-free prefabricated hollow wall body is simple in structure, convenient and flexible.
Description
Technical Field
The utility model relates to a form-dismantling-free prefabricated hollow wall, in particular to a decorative structure integrated form-dismantling-free prefabricated hollow wall, and belongs to the technical field of external wall heat preservation processing production.
Background
The traditional external wall insulation is a 'rear anchoring and sticking method', namely: the method is commonly called as a thin plastering and pasting method, and not only has poor heat preservation and energy saving effects, but also has difficult quality control and is easy to cause engineering accidents such as falling off.
The integrated concept of the decorative structure is as follows: the building outer wall comprises the following components in layers from outside to inside: outer decorative layer, fire-proof and heat-insulating layer, structural layer and inner decorative layer. And combining the outer decorative layer and the fireproof heat-insulating layer through the anchoring piece and pouring the outer decorative layer and the structural layer together to obtain the decorative structure integration. The method has the advantages that the heat-insulating layer is prevented from falling off, and a plurality of working procedures for decorating the outer wall are not needed. The external wall panel with the functions of decoration, fire prevention and thermal insulation, which is formed by pre-anchoring and combining the external decoration layer and the fire prevention and thermal insulation layer, is generally called an integrated external wall panel.
The mold removal-free concept: the form-stripping-free form is a form permanently combined with the concrete structure.
The concept of the prefabricated hollow wall body is as follows: the wall body is a form of an assembled building wall body, also called a superposed wall, and is divided into a double-faced superposed wall and a single-faced superposed wall. The wall plate is prefabricated in a factory, a cast-in-place cavity is reserved, and secondary pouring is completed on a construction site to form the structural stressed wall body. Due to the cast-in-place cavity, the wall body reinforcing steel bars can be conveniently connected up and down, left and right, and the cast-in-place hollow wall body has more advantages than the traditional prefabricated solid wall body.
The existing 'decoration structure integrated form-removal-free prefabricated hollow wall' structure form and construction process at home and abroad:
1. prefabricating a sandwich outer wall:
(1) the structural form is as follows: the wall body is fully prefabricated, the forming is finished in a factory, and the assembled building evaluation standard is met. The wall body is divided into:
a) inner leaf wall: the reinforcing bar stressed structural body is a structural stressed component, namely the structural stress of the prefabricated sandwich outer wall is borne by the inner leaf wall. As the factory prefabrication is adopted, the reinforcing steel bars of the whole outer wall body can be cut off, and the stressed reinforcing steel bars of the wall body are connected between the upper layer and the lower layer of the house through a sleeve grouting technology.
b) Fireproof and heat-insulating layer: is laid between the inner and outer leaf walls.
c) Outer leaf wall: and the precast concrete thin plate structure is connected with the inner leaf wall through a special member, and the fireproof heat-insulating layer is clamped in the middle.
d) Finishing layer: the surface of the outer leaf wallboard is laid to play a role in beauty and decoration.
(2) The construction process comprises the following steps:
a) and (3) factory manufacturing and forming: the process is a traditional process.
b) Hoisting in place on site: the built-in sleeve of the upper wall body needs to be accurately aligned with the reserved steel bar at the top end of the lower wall body.
c) Secondary grouting: after the wall is in place and calibrated, a key procedure must be completed: and (5) secondary grouting. The slurry is a special expensive material, and special equipment is needed to fill the gap between the sleeve and the wall body with the slurry. Namely: the steel bar connection and the wall body gap connection are completed by a secondary grouting process.
d) Curing and forming: and (4) carrying out a traditional process.
e) And finishing.
2. Exempt from to tear open form insulation construction integration outer wall:
(1) the structural form is as follows: a full cast-in-place concrete wall body does not belong to an assembly type building system. The external wall template is replaced by a heat-insulating integrated plate, and is permanently combined with a concrete wall, and the wall is respectively composed of:
a) shear wall: a reinforcing bar stressed structure body is a traditional cast-in-place process.
b) Disassembling-free integrated plate: the manufacturing is finished by a factory, namely: the heat preservation and fireproof plates are combined together, and an anchoring piece connected with a concrete structure is preset.
c) An outer cover surface: generally plastering and spraying.
(2) The construction process comprises the following steps:
a) and (3) binding the shear wall steel bars: the process is a traditional process.
b) Supporting an internal mold: typically a steel form, an aluminum alloy form, or a wood form.
c) Installing an inner mold back rib: the back ridges are stressed rod pieces for enhancing the integral rigidity of the template, are generally perforated channel steel or parallel round tubes and are horizontally arranged, and the distance between the back ridges is determined by calculation.
d) Installing an integrated plate: the mould-disassembly-free heat insulation board is generally an integrated board, namely a heat insulation layer and inner and outer lining boards, so that the whole rigidity and the strength are increased, the heat insulation board can be used as a template, pre-drilling holes are needed before installation, and heat insulation nails are installed according to the standard requirements.
e) Installing an outer back edge: at this time, the inner and outer back edges clamp the inner and outer molds by the split bolts.
f) Threading split bolts: the inner back edge and the outer back edge are connected through the split bolts to enable the split bolts to clamp the inner template and the outer template, so that the stability of the wall body is guaranteed during concrete pouring.
g) Pouring a concrete wall: and (4) carrying out a traditional process.
h) Curing and forming: the process is a traditional process.
i) Drawing out the split screw, and removing the inner and outer back edges:
j) removing the inner template: and (4) carrying out a traditional process.
k) Plugging holes: according to the standard requirement.
l) insulating layer facing: and performing according to the specification requirement.
m) is finished.
ii, technical defects of the existing structural forms and processes:
1. prefabricating a sandwich outer wall:
1) the factory manufacturing process is complex, the efficiency is low and the manufacturing cost is high.
2) The components are heavy: the transportation and the hoisting are difficult.
3) The field alignment operation is difficult: the overall accuracy of the house is poor.
4) The potential safety hazard of secondary grouting is large, frequent grouting is not full, and the detection means is deficient.
5) Horizontal through seams are formed around each wall, and water leakage is easy to occur.
6) The outer leaf wall board is heavy, the middle part of the outer leaf wall board can be connected with the inner leaf wall bearing stress through the heat insulation layer, and the hidden danger of falling off is huge.
2. Exempt from to tear open form insulation construction integration outer wall:
1) internal mold problem: the traditional wood template, steel template or aluminum alloy template is adopted, and the wall body steel bars are bound on site and cannot meet the basic requirements of the fabricated building.
2) The alignment operation is difficult: the split bolt hole site of centre form is many, and is counterpointed the difficulty with outer heated board, because template rigidity is little, the hole site interval is big, and the template can warp, rise the mould and lead to the hole site many during concrete placement.
3) The heat preservation fragile, and difficult discovery: direct trompil of heat preservation, no protection device, during the counterpoint, the screw rod is disclosed in disorder, very easily harms soft heated board, owing to be "blind hole to", damaged also difficult discovery.
4) The problem of wall body accuracy control: the heat preservation is soft body, does not have stop device, when the bolt was drawn to each other, easy compression deformation, especially from the outward appearance, the surface is unsmooth.
5) The construction operation problem is as follows: in national regulation and actual operation, a lining back edge mode is adopted. Namely: the weak point of the easy-to-expand mold is required to be placed with the lining back edge or the supporting plate firstly and then clamped by the main back edge, so that the material waste is serious, the lining back edge is required to be arranged integrally, otherwise, the main back edge can be suspended, and mistakes are not allowed to be made.
6) Cold bridge problem: mainly during concrete placement, the inlayer trompil of heat preservation does not have any safeguard measure, especially can pour the grout backward during the vibration, forms the cold bridge, seriously influences the heat preservation effect, and the outward appearance sees hardly to discover.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a decorative structure integrated form-removal-free prefabricated hollow wall body which is simple in structure, convenient and flexible.
In order to solve the above problems, the specific technical scheme of the utility model is as follows: the utility model provides a prefabricated hollow wall body of decorative structure integration exempts from to tear open mould, includes prefabricated coincide wallboard and integration decorative board, is provided with cast-in-place between the two and builds the cavity, and integration decorative board another side is connected with the stupefied structure of integrated board back of the body, and cast-in-place is built and is provided with interim bracing piece in the cavity, and integration decorative board embedding is in the support, and the support is frame construction, including the net at the bottom of the support, and net contact at the bottom of integration decorative board bottom surface and the support, support side frame are two, and the both ends of the length direction of net at the bottom of the support of a body coupling respectively, support side frame length direction bottom is provided with solid fixed ring.
Follow prefabricated coincide wallboard width direction, perpendicular through connection has the pulling-on piece sheath, the pulling-on piece sheath is a plurality of, along the length direction parallel arrangement of prefabricated coincide wallboard, the contact of net at the bottom of pulling-on piece sheath and support, in the pulling-on piece sheath, the template pulling-on piece has been inserted, including the pulling-on piece, the pulling-on piece passes the board seam of pulling-on piece sheath and two adjacent integrated decorative boards, pulling-on piece one end is provided with the counter-pulling hole, the pulling-on piece other end is provided with the handle, the handle is close to pulling-on piece one side and is provided with the baffle, handle and baffle are located the relative outside of prefabricated coincide wallboard.
The integral plate back edge structure comprises a back edge main body, wherein end plates are integrally connected to two sides of the back edge main body in the length direction, connecting holes are formed in the end plates, the back edge main body and the end plates form a U-shaped structure, and openings face to the opposite sides of the integrated decorative plate.
The back edge main body bottom is sleeved with a back edge bottom plate envelope.
The back arris bottom plate envelope is made of rubber and PVC flexible materials.
The height of the bottom net of the bracket is equal to the thickness of the protective layer of the concrete wall steel bars.
The inner side distance between the two oppositely arranged bracket side frames is the width of the integrated plate, the height of the inner side is not more than the designed thickness of the integrated plate,
the connecting hole is coaxial with the counter-pulling hole and is locked by a pin.
And T-shaped joint strips are inserted into the gaps between the support side frames of the two adjacent supports, and the vertical parts of the T-shaped joint strips are plugged into the gaps.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model changes 'post-anchoring' of the building outer wall heat-insulating layer into 'first-anchoring', namely the heat-insulating layer anchoring nails are poured together with the wall body concrete, thereby solving the potential safety hazard problem that the heat-insulating layer is easy to fall off;
the problem of repeated procedures of the decorative layer is solved by adopting a pull piece structure and a flexible back edge system;
the evaluation standard of the existing national assembly type building is met, namely, the semi-prefabrication process of the wall fully meets various requirements of the assembly type building which is vigorously popularized by the nation;
the prefabricated solid shear wall at the present stage adopts a grouting sleeve connection process, so that potential safety hazards are great. The semi-prefabricated superposed wall solves the problem of up-down through connection of the reinforcing steel bars, so that the building is safer and more reliable;
the internal and external two-way form-free plate greatly reduces the construction cost and simultaneously realizes simple, convenient and quick construction;
the equipment investment is low, and the effect is quick;
the insulation board is installed on site without dead angle in the whole process, and the insulation effect is fully ensured;
the process is simple, and the work efficiency is greatly improved;
the problem of integral precision of the wall is solved, so that the integral building can better meet the requirement of beauty;
the problems of easy cracking, mold expansion and the like in wall pouring are solved;
the heat preservation and the structure are integrated, the energy is saved, the environment is protected, and the falling-off is avoided;
the whole engineering cost is greatly reduced.
Drawings
Fig. 1 is a structural schematic view of a decorative structure integrated form-removal-free prefabricated hollow wall.
Fig. 2 is a schematic view of a connection structure of the prefabricated composite wall panel and the temporary support rod.
Fig. 3 is a schematic view of a stent structure.
Fig. 4 is a schematic structural diagram of a back edge of a one-piece board.
Fig. 5 is a side view of the structure of fig. 4.
Fig. 6 is a schematic structural view of the end plate.
Fig. 7 is a schematic view of the structure of the back rib bottom board envelope.
FIG. 8 is a schematic sectional view A-A of FIG. 1.
Fig. 9 is a structural schematic diagram of a T-shaped spline.
Fig. 10 is a schematic view of a pull tab sheath construction.
Detailed Description
As shown in fig. 1 to 10, the decorative structure integrated form-removal-free prefabricated hollow wall comprises a prefabricated laminated wall panel 1 and an integrated decorative panel 4, a cast-in-place cavity 2 is arranged between the prefabricated laminated wall panel and the integrated decorative panel 4, the other side surface of the integrated decorative panel 4 is connected with an integrated panel back edge structure, temporary support rods 1-2 are arranged in the cast-in-place cavity 2, and concrete is poured into the cast-in-place cavity 2 in a construction site.
The integrated decorative plate 4 is embedded in the bracket 3, the bracket 3 is a frame structure and comprises a bracket bottom net 3-1 which is a continuous, hollow and rib-shaped grid plate with the height H2The thickness of the protective layer of the concrete wall steel bars is generally 15 mm. When the support bottom net is used, the bottom surface of the integrated decorative plate 4 is in contact with the support bottom net 3-1, the two support side frames 3-2 are continuous hollow grid plates and are respectively and integrally connected to two ends of the support bottom net 3-1 in the length direction to restrict the horizontal position, and the distance L between the inner sides of the two oppositely arranged support side frames 3-2 is1I.e. the width of the integrated plate, the height H of the inner side1Is not larger than the design thickness of the integrated plate, and the bottom of the frame side frame 3-2 in the length direction is provided with a fixing ring 3-3 for facilitating the insertion of a pin 9.
A pull piece sheath 7 is vertically connected in a penetrating way along the width direction of a prefabricated superposed wallboard 1, a plurality of pull piece sheaths 7 are arranged in parallel along the length direction of the prefabricated superposed wallboard 1, the pull piece sheaths 7 are contacted with a support bottom net 3-1, a template pull piece 6 is inserted into each pull piece sheath 7 and is in a shape of a saber knife with a handle, each pull piece sheath comprises a pull piece 6-1 made of high-strength material such as stainless steel plates, galvanized steel plates and the like and used for drawing and connecting the prefabricated superposed wallboard 1 and an integrated decorative plate 4, during work, the pull piece 6-1 penetrates through a plate seam between each pull piece sheath 7 and two adjacent integrated decorative plates 4, one end of each pull piece 6-1 is provided with a counter-pull hole 6-4 for connecting with a back edge structure of the integrated plate, the other end of each pull piece 6-1 is provided with a handle 6-3, one side of each handle 6-3, which is close to the handle 6-1, is provided with a baffle 6-2, handles 6-3 and baffles 6-2 are located on opposite outer sides of prefabricated laminated wall panel 1.
The integral plate back edge structure is a member for restraining a template during concrete wall pouring and basically has the function of preventing the pouring from expanding the template. When in use, the connecting device is connected with the opposite template in a bolt or other mode. The integral plate back edge structure comprises a back edge main body 5-1 which is made of light and high-strength materials such as aluminum alloy, high-strength plastic and the like, wherein two sides of the back edge main body 5-1 in the length direction are integrally connected with end plates 5-2, the end plates 5-2 are provided with connecting holes 5-4, the back edge main body 5-1 and the end plates 5-2 form a U-shaped structure, and the opening faces to the opposite side of the integral decorative plate 4. The bottom of the back edge main body 5-1 is sleeved with a back edge bottom plate envelope 5-3, and the back edge bottom plate envelope 5-3 is made of rubber and PVC flexible materials. In the installation process, the connecting hole 5-4 is coaxial with the opposite pulling hole 6-4 and is locked by the pin 9.
T-shaped joint strips 8 are inserted into the gaps between the support side frames 3-2 of the two adjacent supports 3, the T-shaped joint strips 8 are made of pvc and soft rubber materials, and the vertical parts of the T-shaped joint strips 8 are plugged into the gaps, so that a paddle does not flow out when concrete is poured.
Field installation:
(1) the prefabricated superposed wall panel 1 is hoisted in place, temporary fixing support rods 1-2 are installed, the wall body verticality is adjusted, and a reinforcing steel bar system, especially the flatness of a reinforcing steel bar net close to a non-dismantling formwork, is rechecked;
(2) the template-piercing tab 6: the prefabricated composite wall board 1 is integrally cast with the component 7 when being manufactured, the die plate penetrating pull piece 6 vertically penetrates through the prefabricated composite wall board 1 and the pull rod sheath 7 until penetrating through the decorative integrated board 4, one end of the pull piece 6-1, which is provided with the opposite-pulling hole 6-4, extends out, the opposite-pulling hole 6-4 corresponds to the connecting hole 5-4, and is locked through the pin 9;
(3) from bottom to top, install first piece support 3: the side frame 3-2 of the bracket clings to the pulling piece 6-1, the bottom net 3-1 of the bracket is bound, and the traditional process of binding the steel bar net by using iron wires or other binding bands is used for binding a plurality of points, namely: the support bottom net 3-1 is tightly attached to the reinforcing mesh and firmly bound;
(4) by analogy, other supports are installed, at the moment, each support side frame 3-2 is tightly attached to the pull sheet 6-1, and the support bottom net 3-1 is firmly bound with the reinforcing mesh; if meeting the corner, cutting a section of the support bottom net 3-1, splicing, and ensuring that at least one support side frame 3-2 temporarily fixes the integrated plate;
(5) from bottom to top, integrated decorative board 4 of mating formation: width L of integrated board2And the width L of the bracket1After the integrated plate is embedded into the bracket 3, the pin is inserted into the fixing ring 3-3 immediately to temporarily fix the integrated decorative plate 4;
(6) by parity of reasoning, other integrated decorative plates 4 are installed; in summary, the bracket 3 corresponds to the integrated trim panel 4, namely: the integrated decorative plate 4 must be ensured to be temporarily fixed by the bracket 3;
(7) installing a T-shaped caulking strip 8: the slit strips are sponge soft objects and can be easily cut, and the pull pieces are broken; the bracket can be directly clamped when being installed, and can be plugged into the gap after the bracket is installed, in a word, the gap plugging strip needs to be installed before the integrated plate is installed, so that concrete pouring and slurry leakage are avoided;
(8) mounting a back rib 5: the back edge is a key component for preventing concrete from pouring and expanding the die, and the section size of the back edge is determined according to the width and the thickness of the integrated plate and the longitudinal interval of the arrangement of the pull tabs; the hole position of the end plate is determined according to the thickness of the wall body or the hole position of the pull sheet; the length of the back edge is equal to the width of the bracket; at the moment, the back edge main body 5-1, the pulling piece 6-1 and the integrated decorative plate 4 are locked to form a precise and stable external wall template;
(9) mounting the pin 9: the back edges are aligned in sequence and wedged into the groove, which is the traditional process;
(10) at the moment, the inner wall body template and the outer wall body template form a stable whole, and a concrete pouring cavity is formed;
(11) need to explain: in the embodiment, the back edge system is arranged on one side, and if the thickness of the precast concrete superposed wall is insufficient through calculation, two schemes are adopted to ensure that the inner wall template is stable: firstly, the baffle 6-2 is enlarged, and secondly, an integral plate back edge structure is additionally arranged, and a pulling joint point of the integral plate back edge structure is the handle 6-3;
(12) pouring concrete in the cavity: the traditional process; the anchoring nails of the integrated plate are poured together with the concrete;
(13) curing and forming;
(14) removing the outer back edge;
(15) the template pull sheet 6 is drawn out;
(16) cutting short the temporary fixing ring 3-3;
(17) according to the traditional process requirements, the integrated plate is subjected to joint filling and gluing;
(18) tearing off the veneer protective film of the integrated plate;
(19) and finishing.
What has been described above is merely a preferred embodiment of the utility model. It should be noted that variations and modifications can be made by those skilled in the art without departing from the principle of the present invention, and they should also be considered as falling within the scope of the present invention.
Claims (9)
1. The utility model provides a prefabricated hollow wall body of decorative structure integration exempts from to tear off mould, includes prefabricated coincide wallboard (1) and integration decorative board (4), is provided with cast-in-place between the two and builds cavity (2), and integration decorative board (4) another side is connected with the stupefied structure of integrated board back of the body, and cast-in-place is built and is provided with interim bracing piece (1-2) in cavity (2), its characterized in that: the integrated decorative plate (4) is embedded in the support (3), the support (3) is of a frame structure and comprises a support bottom net (3-1), the bottom surface of the integrated decorative plate (4) is in contact with the support bottom net (3-1), two support side frames (3-2) are respectively and integrally connected to two ends of the support bottom net (3-1) in the length direction, and fixing rings (3-3) are arranged at the bottom of the support side frames (3-2) in the length direction.
2. The decoration structure integrated form-removal-free prefabricated hollow wall body of claim 1, wherein: the pull piece sheaths (7) are vertically connected in a penetrating way along the width direction of the prefabricated superposed wallboard (1), a plurality of pull piece sheaths (7) are arranged in parallel along the length direction of the prefabricated superposed wallboard (1), the pull piece sheaths (7) are contacted with the support bottom net (3-1), a template pull sheet (6) is inserted into a pull sheet sheath (7) and comprises a pull sheet (6-1), the pull sheet (6-1) penetrates through a plate seam between the pull sheet sheath (7) and two adjacent integrated decorative plates (4), a counter-pull hole (6-4) is formed in one end of the pull sheet (6-1), a handle (6-3) is arranged at the other end of the pull sheet (6-1), a baffle plate (6-2) is arranged on one side, close to the pull sheet (6-1), of the handle (6-3), and the handle (6-3) and the baffle plate (6-2) are located on the opposite outer side of the prefabricated laminated wall plate (1).
3. The decorative structure integrated form-removal-free prefabricated hollow wall body as claimed in claim 2, wherein: the integral plate back edge structure comprises a back edge main body (5-1), wherein end plates (5-2) are integrally connected to two sides of the back edge main body (5-1) in the length direction, connecting holes (5-4) are formed in the end plates (5-2), the back edge main body (5-1) and the end plates (5-2) form a U-shaped structure, and openings face to the opposite sides of an integral decorative plate (4).
4. The decorative structure integrated form-removal-free prefabricated hollow wall body as claimed in claim 3, wherein: the back edge main body (5-1) is sleeved with a back edge bottom plate envelope (5-3).
5. The decorative structure integrated form-removal-free prefabricated hollow wall body as claimed in claim 4, wherein: the back arris bottom board envelope (5-3) is made of rubber and PVC flexible materials.
6. The decoration structure integrated form-removal-free prefabricated hollow wall body of claim 1, wherein: the height H of the bottom net (3-1) of the bracket2The thickness of the protective layer is equal to the thickness of the reinforcing steel bar of the concrete wall.
7. The decorative structure integrated form-removal-free prefabricated hollow wall body as claimed in claim 1, wherein: the inner side interval L of the two oppositely arranged bracket side frames (3-2)1I.e. the width of the integrated plate, the height H of the inner side1Not greater than the design thickness of the integrated plate.
8. The decorative structure integrated form-removal-free prefabricated hollow wall body as claimed in claim 3, wherein: the connecting hole (5-4) is coaxial with the counter-pulling hole (6-4) and is locked by a pin (9).
9. The decorative structure integrated form-removal-free prefabricated hollow wall body as claimed in claim 1, wherein: a T-shaped joint strip (8) is inserted into a gap between the support side frames (3-2) of the two adjacent supports (3), and the vertical part of the T-shaped joint strip (8) is plugged into the gap.
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| CN114197705A (en) * | 2021-10-16 | 2022-03-18 | 锦州市好为尔保温材料有限公司 | Integrated decoration structure form-removal-free prefabricated hollow wall and construction method thereof |
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| CN114197705A (en) * | 2021-10-16 | 2022-03-18 | 锦州市好为尔保温材料有限公司 | Integrated decoration structure form-removal-free prefabricated hollow wall and construction method thereof |
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Effective date of registration: 20221128 Address after: 121000 Panghe Industrial Park, Heishan County, Jinzhou City, Liaoning Province Patentee after: Li Mei Address before: 121400 panghe Industrial Park, Heishan County, Jinzhou City, Liaoning Province Patentee before: JINZHOU HOWAR INSULATION MATERIAL Co.,Ltd. |
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