CN111441507A - Environment-friendly energy-saving connecting piece for composite external wall panel and use method thereof - Google Patents
Environment-friendly energy-saving connecting piece for composite external wall panel and use method thereof Download PDFInfo
- Publication number
- CN111441507A CN111441507A CN202010267937.0A CN202010267937A CN111441507A CN 111441507 A CN111441507 A CN 111441507A CN 202010267937 A CN202010267937 A CN 202010267937A CN 111441507 A CN111441507 A CN 111441507A
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- wall
- carbon fiber
- connecting piece
- supporting plate
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- 239000002131 composite material Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 9
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 57
- 239000004917 carbon fiber Substances 0.000 claims abstract description 57
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 57
- 230000003014 reinforcing effect Effects 0.000 claims description 19
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 9
- 210000003205 muscle Anatomy 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 210000003195 fascia Anatomy 0.000 claims description 2
- 239000004567 concrete Substances 0.000 abstract description 9
- 238000007710 freezing Methods 0.000 abstract description 7
- 230000008014 freezing Effects 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
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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
- 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
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
- Building Environments (AREA)
Abstract
The invention relates to the technical field of building prefabricated parts, in particular to an environment-friendly and energy-saving connecting piece for a composite external wall panel, which comprises a straight pipe, wherein a first supporting plate and a second supporting plate are respectively fixed at two ends of the straight pipe, the first supporting plate is arranged to be clung to an inner leaf wall, the second supporting plate is arranged to be clung to an outer leaf wall, the straight pipe penetrates through a heat insulation layer, straightened carbon fiber ropes penetrate through the straight pipe, round holes for the carbon fiber ropes to penetrate through are formed in the first supporting plate and the second supporting plate, the inner diameter of each round hole is matched with the diameter of each carbon fiber rope, one end of each carbon fiber rope is pre-buried in the inner leaf wall. Aiming at the defects in the prior art, the invention aims to provide an environment-friendly energy-saving connecting piece for a composite external wall panel and a using method thereof, and the environment-friendly energy-saving connecting piece has the advantages of overcoming the damage of outer leaf concrete caused by repeated freezing expansion of the connecting piece and improving the durability of the connecting piece. The invention has the advantages of overcoming the damage of the outer leaf concrete caused by repeated freezing expansion of the connecting piece and improving the durability of the connecting piece.
Description
Technical Field
The invention relates to the technical field of building prefabricated parts, in particular to an environment-friendly and energy-saving connecting piece for a composite external wall panel and a using method thereof.
Background
The connecting piece for the composite external wall panel of the existing steel structure building and reinforced concrete building generally has the following defects:
firstly, the existing composite external wall panel in the market at present adopts metal connecting pieces between the reinforced concrete of the inner and outer leaves and the sandwich energy-saving material, although the requirements of tensile strength, durability and the like are met, due to the side effect of a cold bridge of the connecting pieces, condensed water is generated in winter in the north, and the outer leaf concrete is damaged due to repeated freezing expansion, so that the service life of the building is seriously influenced;
and the FRP connecting piece for the composite external wall panel is made of glass fiber reinforced plastic materials made of certain resin, has poor aging resistance and durability, and has great influence on the durability of buildings.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an environment-friendly energy-saving connecting piece for a composite external wall panel and a using method thereof, and the environment-friendly energy-saving connecting piece has the advantages of overcoming the damage of outer leaf concrete caused by repeated freezing expansion of the connecting piece and improving the durability of the connecting piece.
The above object of the present invention is achieved by the following technical solutions: the utility model provides a combined type is environmental protection and energy saving type connecting piece for side fascia, includes the straight tube, first fagging, second fagging are fixed respectively to the both ends of straight tube, and interior leaf wall setting is hugged closely to first fagging, and exterior leaf wall setting is hugged closely to the second fagging, and the straight tube passes the heat preservation, wears to establish the carbon fiber rope of flare-outing in the straight tube, all is equipped with the round hole that supplies the carbon fiber rope to wear out on first fagging and the second fagging, the diameter cooperation of round hole internal diameter and carbon fiber rope, the one end of carbon fiber rope is buried in interior leaf wall.
By adopting the technical scheme, the carbon fiber rope is less affected by low temperature, so that the carbon fiber rope cannot be frozen and expanded like other metal connecting pieces embedded into the inner leaf wall and the outer leaf wall; and the first supporting plate, the second supporting plate and the straight pipe which are made of metal are not embedded into the inner leaf wall and the outer leaf wall but are positioned in the heat-insulating layer, so that the freezing expansion of the first supporting plate, the second supporting plate and the straight pipe has no influence on the inner leaf wall and the outer leaf wall basically. To sum up, this environmental protection and energy saving type connecting piece has and overcomes the connecting piece and freezes repeatedly and rises to lead to the outer leaf concrete to suffer harm, improve the advantage of connecting piece durability.
Preferably, the carbon fiber wires at one end of the carbon fiber rope are expanded to be circular and are embedded in the inner leaf wall.
Through adopting above-mentioned technical scheme, improved the stability that carbon fiber rope and concrete are connected, made the carbon fiber rope can bear very big pulling force and do not deviate from interior leaf wall.
Preferably, a nut is fixed on the second supporting plate, a wire clamping block is screwed in the nut, and the carbon fiber rope is fixed on the wire clamping block.
Through adopting above-mentioned technical scheme, rotatory trapping mechanism can be straightened the carbon fiber rope in the straight pipe.
Preferably, the connecting plate is further included and used for connecting two adjacent first supporting plates on the inner leaf wall and two adjacent second supporting plates on the outer leaf wall.
By adopting the technical scheme, the connecting plate improves the stress performance of the single first supporting plate and the single second supporting plate in the horizontal direction.
Preferably, the outer leaf wall comprises an early-forming wall and a later-forming wall, the second supporting plate is arranged close to the early-forming wall, foundation ribs are embedded in the early-forming wall, the carbon fiber ropes are embedded in the early-forming wall and connected with the foundation ribs, reinforcing mesh is arranged in the later-forming wall, and the foundation ribs are connected with the reinforcing mesh.
By adopting the technical scheme, the outer leaf wall is formed under the condition that the second supporting plate is tightly attached to the outer leaf wall and the carbon fiber ropes tension the outer leaf wall.
Preferably, the side of the foundation rib is provided with a plurality of notches, and the carbon fiber rope spirally surrounds the foundation rib and is embedded into all notches.
Through adopting above-mentioned technical scheme, make the carbon fiber rope even to many places pulling force of basis muscle, avoid the basis muscle by the stretch-break, stretch bending and destroy the concrete structure of outer leaf wall, also improved the stability of being connected of carbon fiber rope and basis muscle simultaneously.
Preferably, a reinforcing rod is connected between the first supporting plate and the non-corresponding second supporting plate.
By adopting the technical scheme, the compression resistance of the environment-friendly energy-saving connecting piece in the direction perpendicular to the inner leaf wall surface is improved.
The above object of the present invention is also achieved by the following technical solutions: the use method of the environment-friendly energy-saving connecting piece for the composite external wall panel comprises the following steps:
STEP1, when the inner leaf wall is poured, one end of the carbon fiber rope is stretched to be round and is embedded in the inner leaf wall;
STEP2, after the inner leaf wall is hardened, sequentially penetrating a first supporting plate, a straight pipe and a second supporting plate on the carbon fiber rope, and then welding and fixing the first supporting plate and the second supporting plate at two ends of the straight pipe;
and STEP3, building templates to pour part of the wall body of the outer leaf wall by clinging to the second supporting plates, wherein the thickness of the wall body is smaller than half of that of the outer leaf wall, connecting the end parts of the carbon fiber ropes with reinforcing steel bars and then pre-embedding the reinforcing steel bars into the wall body on the premise of straightening the carbon fiber ropes, exposing one part of the reinforcing steel bars from one side of the wall body back to the inner leaf wall, binding reinforcing mesh on the reinforcing steel bars exposed out of the wall body, and then continuously building the rest part of the template poured and molded outer leaf wall outside the reinforcing mesh.
By adopting the technical scheme, the environment-friendly energy-saving connecting piece is mounted between the inner leaf wall and the outer leaf wall.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the method has the advantages of overcoming the damage of the outer leaf concrete caused by repeated freezing expansion of the connecting piece and improving the durability of the connecting piece;
2. the environment-friendly energy-saving connecting piece has the advantage of being convenient to install between the inner leaf wall and the outer leaf wall.
Drawings
FIG. 1 is a top view of an inner leaf wall, an outer leaf wall, and an insulating layer;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure, 1, inner leaf wall; 2. an outer leaf wall; 3. a heat-insulating layer; 4. a straight pipe; 5. a first supporting plate; 6. a second supporting plate; 7. A carbon fiber rope; 8. a circular hole; 9. a nut; 10. a wire clamping block; 11. a connecting plate; 12. firstly, forming a wall; 13. forming a wall; 14. a foundation bar; 15. a reinforcing mesh; 16. grooving; 17. a reinforcing rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the environment-friendly and energy-saving connector for the composite external wall panel disclosed by the invention comprises a straight pipe 4, a first supporting plate 5, a second supporting plate 6, a carbon fiber rope 7, a connecting plate 11 and a reinforcing rod 17, wherein the first supporting plate 5 and the second supporting plate 6 are respectively welded and fixed at two ends of the straight pipe 4, and the central axis of the straight pipe 4 is perpendicular to the wall surface of the inner leaf wall 1. The straight pipe 4 passes through the heat preservation 3, and first fagging 5 hugs closely interior leaf wall 1, and second fagging 6 hugs closely outer leaf wall 2. Round hole 8 is all seted up on first fagging 5 and the second fagging 6, and round hole 8 is located the axis of straight tube 4, and carbon fiber rope 7 penetrates straight tube 4 and wears out from the round hole 8 of first fagging 5 from the round hole 8 of second fagging 6, and the diameter cooperation of round hole 8 internal diameter and carbon fiber rope 7, carbon fiber rope 7 is the state of flare-outing in straight tube 4. One end of the carbon fiber rope 7 is embedded in the inner leaf wall 1, and the other end is embedded in the outer leaf wall 2.
As shown in fig. 3, a nut 9 is welded and fixed on the surface of the second supporting plate 6 facing the outer leaf wall 2, the nut 9 is concentric with a circular hole 8 of the second supporting plate 6, a wire clamping block 10 is screwed in the nut 9, the wire clamping block 10 is provided with a central hole, the carbon fiber rope 7 is clamped and fixed in the central hole, and the carbon fiber rope 7 in the straight pipe 4 can be straightened by rotating the wire clamping block 10.
As shown in fig. 2 and 3, the external leaf wall 2 is composed of a pre-formed wall 12 and a post-formed wall 13, the second supporting plate 6 is tightly attached to the surface of the pre-formed wall 12, foundation bars 14 are pre-embedded in the pre-formed wall 12, the carbon fiber ropes 7 are embedded in the pre-formed wall 12 and connected with the foundation bars 14, a reinforcing mesh 15 is arranged in the post-formed wall 13, and the foundation bars 14 are connected with the reinforcing mesh 15. The connection mode of the carbon fiber rope 7 and the foundation rib 14 is as follows: the side surface of the foundation rib 14 is provided with a plurality of notches 16, and the carbon fiber rope 7 spirally surrounds the foundation rib 14 and is embedded into all notches 16.
As shown in fig. 1, the connection plates 11 are welded between two adjacent first supporting plates 5 on the inner leaf wall 1 and between two adjacent second supporting plates 6 on the outer leaf wall 2, all the first supporting plates 5 are connected into a whole by the connection plates 11 on the inner leaf wall 1, and all the second supporting plates 6 are connected into a whole by the connection plates 11 on the outer leaf wall 2. Reinforcing rods 17 are welded between the first supporting plates 5 and the non-corresponding second supporting plates 6, and all the first supporting plates 5 and all the second supporting plates 6 are connected into a whole through the reinforcing rods 17.
The use method of the environment-friendly energy-saving connecting piece for the composite external wall panel comprises the following steps:
firstly, when the inner leaf wall 1 is poured, opening carbon fiber wires at one end of a carbon fiber rope 7 to be circular (see figure 2) and burying the carbon fiber wires in the inner leaf wall 1;
secondly, after the inner leaf wall 1 is hardened, sequentially penetrating a first supporting plate 5, a straight pipe 4 and a second supporting plate 6 on a carbon fiber rope 7, and then welding and fixing the first supporting plate 5 and the second supporting plate 6 at two ends of the straight pipe 4;
thirdly, building templates to be attached to a plurality of second supporting plates 6 to pour part of the wall body (a forming wall 12) of the outer leaf wall 2, wherein the thickness of the forming wall 12 is smaller than half of the thickness of the outer leaf wall 2, connecting reinforcing steel bars (foundation bars 14) at the end parts of the carbon fiber ropes 7 to be embedded in the forming wall 12 on the premise of straightening the carbon fiber ropes 7, exposing part of the foundation bars 14 from one side of the forming wall 12 back to the inner leaf wall 1, tying reinforcing mesh 15 on the foundation bars 14 exposing the forming wall 12, and then continuously building templates to pour the rest part (a rear forming wall 13) of the forming outer leaf wall 2 outside the reinforcing mesh 15.
The implementation principle of the embodiment is as follows: because the carbon fiber ropes 7 are slightly influenced by low temperature, the carbon fiber ropes cannot be frozen and expanded like other metal connecting pieces embedded into the inner leaf wall 1 and the outer leaf wall 2; and the first supporting plate 5, the second supporting plate 6 and the straight pipe 4 which are made of metal are not embedded into the inner leaf wall 1 and the outer leaf wall 2, but are positioned in the heat-insulating layer 3, so that the freezing expansion of the first supporting plate, the second supporting plate and the straight pipe has no influence on the inner leaf wall 1 and the outer leaf wall 2 basically. To sum up, this environmental protection and energy saving type connecting piece has and overcomes the connecting piece and freezes repeatedly and rises to lead to the outer leaf concrete to suffer harm, improve the advantage of connecting piece durability.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a combined type is environmental protection and energy saving type connecting piece for side fascia which characterized in that: including straight tube (4), first fagging (5) are fixed respectively to the both ends of straight tube (4), second fagging (6), interior leaf wall (1) setting is hugged closely in first fagging (5), outer leaf wall (2) setting is hugged closely in second fagging (6), heat preservation (3) are passed in straight tube (4), wear to establish carbon fiber rope (7) of flare-outing in straight tube (4), all be equipped with round hole (8) that supply carbon fiber rope (7) to wear out on first fagging (5) and second fagging (6), the diameter cooperation of round hole (8) internal diameter and carbon fiber rope (7), the one end of carbon fiber rope (7) is pre-buried in interior leaf wall (1), the other end buries in outer leaf wall (2).
2. The environment-friendly energy-saving connecting piece for the composite external wall panel as claimed in claim 1, wherein: the carbon fiber wires at one end of the carbon fiber rope (7) are expanded to be circular and are embedded in the inner leaf wall (1).
3. The environment-friendly energy-saving connecting piece for the composite external wall panel as claimed in claim 1, wherein: and a nut (9) is fixed on the second supporting plate (6), a wire clamping block (10) is screwed in the nut (9), and the carbon fiber rope (7) is fixed on the wire clamping block (10).
4. The environment-friendly energy-saving connecting piece for the composite external wall panel as claimed in claim 1, wherein: the novel combined type leaf wall is characterized by further comprising a connecting plate (11), wherein the connecting plate (11) is used for connecting two adjacent first supporting plates (5) on the inner leaf wall (1) and two adjacent second supporting plates (6) on the outer leaf wall (2).
5. The environment-friendly energy-saving connecting piece for the composite external wall panel as claimed in claim 1, wherein: outer leaf wall (2) are including forming wall (12) earlier and back forming wall (13), and second fagging (6) are hugged closely and are set up forming wall (12) earlier, pre-buried foundation muscle (14) in forming wall (12) earlier, and carbon fiber rope (7) are buried and are connected foundation muscle (14) in forming wall (12) earlier, have reinforcing bar net (15) in back forming wall (13), and reinforcing bar net (15) are connected in foundation muscle (14).
6. The environment-friendly energy-saving connecting piece for the composite external wall panel as claimed in claim 5, wherein: the side of the foundation rib (14) is provided with a plurality of notches (16), and the carbon fiber rope (7) spirally surrounds the foundation rib (14) and is embedded into all notches (16).
7. The environment-friendly energy-saving connecting piece for the composite external wall panel as claimed in claim 1, wherein: and a reinforcing rod (17) is connected between the first supporting plate (5) and the non-corresponding second supporting plate (6).
8. The use method of the environment-friendly energy-saving type connecting piece for the composite external wall panel according to any one of the claims 2 to 7 is characterized by comprising the following steps:
STEP1, when the inner leaf wall (1) is poured, one end of the carbon fiber rope (7) is stretched to be round and is buried in the inner leaf wall (1);
STEP2, after the inner leaf wall (1) is hardened, sequentially penetrating a first supporting plate (5), a straight pipe (4) and a second supporting plate (6) on a carbon fiber rope (7), and then welding and fixing the first supporting plate (5) and the second supporting plate (6) at two ends of the straight pipe (4);
and STEP3, building templates to pour part of the wall body of the outer leaf wall (2) by clinging to a plurality of second supporting plates (6), wherein the thickness of the wall body is smaller than half of that of the outer leaf wall (2), connecting the end parts of the carbon fiber ropes (7) with reinforcing steel bars and then pre-embedding the reinforcing steel bars in the wall body on the premise of straightening the carbon fiber ropes (7), exposing one part of the reinforcing steel bars from one side of the wall body back to the inner leaf wall (1), binding reinforcing mesh (15) on the reinforcing steel bars exposed out of the wall body, and then continuously building the rest part of the template to pour and form the outer leaf wall (2) outside the reinforcing mesh (15).
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CN202010267937.0A CN111441507B (en) | 2020-04-08 | 2020-04-08 | Environment-friendly energy-saving connecting piece for composite external wall panel and use method thereof |
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CN202010267937.0A CN111441507B (en) | 2020-04-08 | 2020-04-08 | Environment-friendly energy-saving connecting piece for composite external wall panel and use method thereof |
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