CN113700169B - Embedded core type concrete outer wall and construction method - Google Patents
Embedded core type concrete outer wall and construction method Download PDFInfo
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- CN113700169B CN113700169B CN202111031622.7A CN202111031622A CN113700169B CN 113700169 B CN113700169 B CN 113700169B CN 202111031622 A CN202111031622 A CN 202111031622A CN 113700169 B CN113700169 B CN 113700169B
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- 238000010276 construction Methods 0.000 title claims abstract description 41
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 117
- 238000004321 preservation Methods 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 87
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 15
- 238000003466 welding Methods 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 230000001680 brushing effect Effects 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 4
- 238000003491 array Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 14
- 239000004793 Polystyrene Substances 0.000 description 10
- 238000009415 formwork Methods 0.000 description 10
- 229920002223 polystyrene Polymers 0.000 description 10
- 239000003292 glue Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—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
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
- E04C5/04—Mats
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
-
- 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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
-
- 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
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The invention relates to a core-embedded concrete outer wall and a construction method, wherein the core-embedded concrete outer wall comprises a wall body, and heat preservation plates, an inner reinforcing net, an outer reinforcing net and hoops which are arranged in the wall body, wherein the inner reinforcing net and the outer reinforcing net are arranged in parallel and at intervals; the construction method of the embedded core type concrete outer wall has the advantages that the heat preservation performance of the poured wall is better, and the structural strength is higher.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a core-embedded concrete outer wall and a construction method.
Background
The insulation board is filled in the hollow concrete wall, so that the insulation property of the wall can be improved, the problems of infirm installation and easy displacement during pouring exist in the existing hollow concrete wall construction, and the insulation board is positioned in the wall after pouring, so that the insulation property of the wall after pouring is poor and the structural strength is weak.
Therefore, a core-embedded concrete outer wall with better heat preservation and high structural strength and a construction method are needed to be developed.
Disclosure of Invention
The invention provides a core-embedded concrete outer wall and a construction method, which are used for solving the technical problem that the insulation property and the structural property of a poured wall are affected due to the fact that the insulation board is not firmly positioned in the wall in the prior art.
The invention is realized by the following technical scheme: the utility model provides a core embedded concrete outer wall, includes the wall body and establishes heated board, interior reinforcing grid, the external reinforcing grid and the clamp in the wall body, interior reinforcing grid and external reinforcing grid are parallel and the interval sets up, and is a plurality of the heated board sets up between interior reinforcing grid and the external reinforcing grid, the one end and interior reinforcing grid and the external reinforcing grid of clamp are connected and another end joint is in on the heated board.
Further, in order to better realize the invention, the inner reinforcing net comprises inner horizontal ribs and inner vertical ribs, a plurality of the inner horizontal ribs and a plurality of the inner vertical ribs are vertically staggered, the number of the inner horizontal ribs projected on a single heat insulation plate is at least three, and the number of the inner vertical ribs projected on the single heat insulation plate is at least two.
Further, in order to better realize the invention, the external reinforcing net comprises external horizontal ribs and external vertical ribs, a plurality of external horizontal ribs and a plurality of external vertical ribs are vertically staggered, the number of the external horizontal ribs projected on a single heat insulation plate is at least three, and the number of the external vertical ribs projected on the single heat insulation plate is at least two.
Further, in order to better realize the invention, the heat-insulating plates are EPS plates, a plurality of heat-insulating plates are uniformly distributed between the inner reinforcing net and the outer reinforcing net at intervals in a rectangular array, and the two ends of each heat-insulating plate are provided with the clamping hoops.
Further, in order to better realize the invention, the clamp is of a U-shaped structure formed by welding a cross rod and two vertical rods, two ends of the cross rod are respectively fixed on the inner horizontal rib and the outer horizontal rib, and one side of the heat insulation plate is clamped in an opening formed by the two vertical rods.
Further, in order to better realize the invention, the heat insulation board further comprises support rods, and the bottom of each heat insulation board is provided with the support rods.
Further, in order to better realize the invention, the supporting rod is of an I-shaped structure formed by welding one connecting rod and two longitudinal rods, two ends of the connecting rod protrude out of the two longitudinal rods, and the two longitudinal rods are respectively abutted against the upper and lower adjacent two heat insulation plates.
A construction method of a core-embedded concrete outer wall comprises the following steps:
step one: prefabricating steel bars for fixing the inner reinforcing net and the outer reinforcing net at a soil wall construction position, cleaning the root position of the wall, and uniformly brushing polyurethane waterproof paint;
step two: installing vertical polyphenyl plates at positions of the shear walls connected with two ends of the wall, installing top polyphenyl plates at positions of the structural beams connected with the top of the wall, and reserving embedded slots at the junctions of the vertical polyphenyl plates and the shear walls and the junctions of the top polyphenyl plates and the structural beams;
step three: binding the external reinforcing net and the internal reinforcing net at the construction position of the soil wall, so that the insulation board is fixed between the external reinforcing net and the internal reinforcing net;
step four: the two sides of the external reinforcing net and the internal reinforcing net are provided with wallboard supporting molds and are reinforced by battens, and the tops of the wallboard supporting molds are provided with detachable bell mouths;
step five: pouring the wall body by adopting a concrete delivery pump, removing the mould after final setting, and gluing or attaching the decorative pattern paper to the caulking part.
Further, in order to better realize the invention, in the third step, firstly, the external reinforcing net is bound on one side of the earth wall construction position, then the clamp is welded and fixed on the position of the external reinforcing net corresponding to each insulation board, the insulation boards are fixed on the external reinforcing net through the clamp, the EPS boards are ensured not to shake and deviate left and right and up and down, and finally, the internal reinforcing net is bound on the other side of the earth wall construction position, so that the internal reinforcing net and the external reinforcing net are aligned, and the clamp and the internal reinforcing net are welded and fixed.
Further, in order to better realize the invention, in the third step, after the binding of the inner reinforcing mesh and the outer reinforcing mesh is completed, binding the drag hook ribs at the positions where the inner horizontal ribs and the inner vertical ribs are crossed and at the positions where the outer horizontal ribs and the outer vertical ribs are crossed, wherein the drag hook ribs are arranged in a quincunx shape.
Compared with the prior art, the invention has the following beneficial effects:
the embedded core type concrete outer wall comprises a wall body, and a heat insulation plate, an inner reinforcing net, an outer reinforcing net and a clamp which are arranged in the wall body, wherein the inner reinforcing net and the outer reinforcing net are arranged in parallel and at intervals, a plurality of heat insulation plates are arranged between the inner reinforcing net and the outer reinforcing net, one end of the clamp is connected with the inner reinforcing net and the outer reinforcing net, the other end of the clamp is clamped on the heat insulation plate, the inner reinforcing net and the outer reinforcing net are connected through the clamp, the inner reinforcing net and the outer reinforcing net are kept at a fixed distance, the inner layer thickness and the outer layer thickness of the poured wall body are uniform, the heat insulation plate is clamped and fixed through the clamp, the heat insulation plate is kept at a fixed position between the inner reinforcing net and the outer reinforcing net, displacement of the heat insulation plate in pouring is avoided, the heat insulation plate can be uniformly arranged in the wall body, and the whole heat insulation performance of the wall body is improved.
The construction method of the embedded core type concrete outer wall comprises the following steps:
step one: prefabricating steel bars for fixing the inner reinforcing net and the outer reinforcing net at a soil wall construction position, cleaning the root position of the wall, and uniformly brushing polyurethane waterproof paint;
step two: the two ends of the wall body are connected with shear walls, vertical polystyrene boards are arranged at the positions of the shear walls, and top polystyrene boards are arranged at the positions of connecting structural beams at the tops of the wall body;
step three: binding the external reinforcing net and the internal reinforcing net at the construction position of the soil wall, so that the insulation board is fixed between the external reinforcing net and the internal reinforcing net;
step four: the two sides of the external reinforcing net and the internal reinforcing net are provided with wallboard supporting molds and are reinforced by battens, and the tops of the wallboard supporting molds are provided with detachable bell mouths;
step five: pouring the wall body by adopting a concrete delivery pump, removing the mould after final setting, and gluing or attaching the decorative pattern paper to the caulking part.
By adopting the method, the insulation board is fixed through the clamp, and cannot be displaced and deformed due to impact in pouring, so that the wall body after pouring has better insulation property and higher structural strength.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a core concrete exterior wall according to the present invention;
FIG. 2 is a schematic view of an insulation panel of the present invention disposed between an inner reinforcing mesh and an outer reinforcing mesh;
FIG. 3 is a schematic view of the structure of the clip of the present invention;
fig. 4 is a schematic structural view of the support bar in the present invention.
In the figure:
1-a wall body; 2-an insulation board; 3-an inner reinforcing mesh; 31-inner horizontal ribs; 32-inner vertical ribs; 4-externally adding a reinforcing net; 41-outer horizontal ribs; 42-outer vertical ribs; 5-clamping hoop; 51-a cross bar; 52-a vertical rod; 6-supporting rods; 61-connecting rods; 62-a vertical rod; 7-reinforcing steel bars; 8-vertical polyphenyl plates; 9-top polystyrene plate; 10-a shear wall; 11-structural beams; 12-floor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
In the description of the present invention, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", etc., refer to an orientation or positional relationship based on that shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
Example 1:
in this embodiment, as shown in fig. 1 to 4, the embedded core type concrete outer wall comprises a wall body 1, and an insulation board 2, an inner reinforcing net 3, an outer reinforcing net 4 and a clamp 5 which are arranged in the wall body 1, specifically, the inner reinforcing net 3 and the outer reinforcing net 4 are parallel and are arranged at intervals, a plurality of insulation boards 2 are arranged between the inner reinforcing net 3 and the outer reinforcing net 4, one end of the clamp 5 is connected with the inner reinforcing net 3 and the outer reinforcing net 4, and the other end of the clamp 5 is clamped on the insulation board 2.
By adopting the structure, the inner reinforcing net 3 and the outer reinforcing net 4 are connected through the clamp 5, so that the inner reinforcing net 3 and the outer reinforcing net 4 keep a fixed distance, the thickness of the inner layer and the outer layer of the poured wall body 1 is uniform, the structure strength is enough, the heat-insulating plate 2 is clamped and fixed through the clamp 5, the heat-insulating plate 2 is kept at a fixed position between the inner reinforcing net 3 and the outer reinforcing net 4, and the heat-insulating plate 2 is prevented from shifting in pouring, so that all the heat-insulating plates 2 can be uniformly arranged in the wall body 1, and the whole heat insulation property of the wall body 1 is improved.
In this embodiment, the inner reinforcing net 3 includes inner horizontal ribs 31 and inner vertical ribs 32, the inner horizontal ribs 31 and inner vertical ribs 32 are vertically staggered, the staggered positions of the inner horizontal ribs 31 and inner vertical ribs 32 are fixed by steel wire binding, the number of the inner horizontal ribs 31 projected onto a single heat insulation plate 2 is at least three, the number of the inner vertical ribs 32 projected onto the single heat insulation plate 2 is at least two, so that the inner reinforcing net 3 can fully cover each heat insulation plate 2 from the inner side, the outer reinforcing net 4 includes outer horizontal ribs 41 and outer vertical ribs 42, the outer horizontal ribs 41 and the outer vertical ribs 42 are vertically staggered, the number of the outer horizontal ribs 41 projected onto the single heat insulation plate 2 is at least three, the number of the outer vertical ribs 42 projected onto the single heat insulation plate 2 is at least two, and the outer reinforcing net 4 can fully cover each heat insulation plate 2 from the outer side, thereby the inner reinforcing net 4 can be positioned on the inner side of the wall body and is in a circle-shaped manner that the outer horizontal ribs 41 and the outer vertical ribs 42 are in a circle-shaped manner, and the outer wall body is in a circle-shaped manner that the outer horizontal ribs 41 and the inner wall body 1 are in a circle-shaped manner that the outer horizontal ribs 1 and the outer horizontal ribs 2 are positioned on the inner wall body 1 are in a circle-shaped.
As a specific implementation manner of this embodiment, as shown in fig. 1, the heat-insulating boards 2 are EPS boards, a plurality of heat-insulating boards 2 are uniformly arranged between the inner reinforcing net 3 and the outer reinforcing net 4 in a rectangular array at intervals, each heat-insulating board 2 has an interval, cement slurry is convenient to flow through during pouring, the two ends of each heat-insulating board 2 are provided with the clips 5, the clips 5 clamp the heat-insulating boards 2 from the two ends, and it is ensured that the heat-insulating boards 2 cannot displace in the front-rear direction and the left-right direction.
In this embodiment, as shown in fig. 3, the clip 5 has a "u" shape formed by welding a cross bar 51 and two vertical bars 52, two ends of the cross bar 51 are welded and fixed to the inner horizontal rib 31 and the outer horizontal rib 41 at corresponding positions, one side of the heat insulation board 2 is clamped in the opening formed by the two vertical bars 52, and the caliber size of the opening formed by the two vertical bars 52 is slightly smaller than the thickness of the heat insulation board 2, so that the heat insulation board 2 can be clamped in the clip 5.
Further, as shown in fig. 1 and 4, the heat insulation board further comprises support rods 6, wherein the support rods 6 are used for supporting the heat insulation board 2 from the bottom of the heat insulation board 2, so that the heat insulation board 2 is guaranteed not to generate gravity sinking displacement during pouring, the support rods 6 are arranged at the bottom of each heat insulation board 2, the support rods 6 at the bottom of the heat insulation board 2 at the lowest layer are supported between the heat insulation board 2 at the lowest layer and the floor 12, the support rods 6 at the bottom of the heat insulation board 2 above the heat insulation board 2 at the lowest layer are supported between the heat insulation boards 2 at the upper layer and the lower layer, the number of the support rods 6 at the bottom of each heat insulation board 2 is at least two, and the two support rods 6 are symmetrically arranged left and right, so that the heat insulation board 2 above is kept stable.
As shown in fig. 4, the support bar 6 has an i-shaped structure formed by welding a connecting bar 61 and two longitudinal bars 62, wherein two ends of the connecting bar 61 protrude from the two longitudinal bars 62, the two longitudinal bars 62 are respectively abutted against the upper and lower adjacent two insulation boards 2, the longitudinal bars 62 play a role in supporting and positioning the insulation boards 2, one end of the connecting bar 61 is fixedly inserted into the bottom of the upper insulation board 2, and the other end is fixedly inserted into the top or the floor 12 of the lower insulation board 2, so that the insulation boards 2 play a role in anchoring and fixing, and the insulation boards 2 are firmly positioned in position.
Example 2:
in this embodiment, a construction method of a core-embedded concrete outer wall includes the following steps:
step one: prefabricating steel bars 7 for fixing the inner reinforcing net 3 and the outer reinforcing net 4 at the construction position of the soil wall, cleaning the root position of the wall body 1, and uniformly brushing polyurethane waterproof paint;
step two: the method comprises the steps that vertical polyphenyl plates 8 are installed at positions where two ends of a wall body 1 are connected with shear walls 10, top polyphenyl plates 9 are installed at positions where structural beams 11 are connected to the top of the wall body 1, and embedded seam grooves are reserved at the junctions of the vertical polyphenyl plates 8 and the shear walls 10 and at the junctions of the top polyphenyl plates 9 and the structural beams 11;
step three: binding the outer reinforcing net 4 and the inner reinforcing net 3 at a soil wall construction position, so that the heat insulation plate 2 is fixed between the outer reinforcing net 4 and the inner reinforcing net 3;
step four: the two sides of the outer reinforcing net 4 and the inner reinforcing net 3 are provided with wallboard support molds and are reinforced by battens, and the tops of the wallboard support molds are provided with detachable horn mouths;
step five: pouring the wall body 1 by adopting a concrete delivery pump, removing the mould after final setting, and gluing or attaching the decorative pattern paper to the caulking part.
By adopting the method, in construction, the heat-insulating board 2 is fixed through the clamp 5 and cannot be displaced and deformed due to impact in pouring, so that the wall body 1 after pouring has better heat insulation property and higher structural strength.
Specifically, before formal construction, preparation before construction is needed, drawings are carefully familiar before construction, necessary drawing review and technical intersection are carried out, the technical key and the key points of the embedded core type concrete outer wall construction are known and mastered, the specification, the number and the types of required materials are proposed according to the corresponding parts of a design large sample so as to facilitate processing and order, the waste of human materials is reduced, the specific parts of the embedded core type concrete outer wall are confirmed according to a building diagram and a structural diagram, various node specific practices are determined, and raw materials and tools used for construction are prepared; after confirming the specific construction position, starting basic measurement pay-off, measuring and placing the inner side line and the 200mm control line of the wall body 1 according to a building diagram, discharging an axis net according to a main axis discharge ruler, checking the errors of original structure construction pay-off and building axis net, performing next procedure construction after checking, bouncing 500 control lines in a room on a structure wall before construction, hanging vertical lines and control lines in two directions at corners of an outer wall respectively, controlling the height and the size of a window sill at the position of the window hole to be tested, communicating the structure size of a hole with a door unit and the size of a building hole in advance, checking technical indexes such as the section size, the concrete surface flatness, the concrete surface perpendicularity, the size deviation of the hole and the like according to actual measurement standard after the main structure is disassembled.
After the above work is completed, when the steps are implemented, the two steel bars 7 at the end are required to be connected with the upper and lower structural beams 11, the rear planted bars are adopted to be connected with the structural beams 11, the planted bars are required to be hung according to the positions of the walls, the specific positions of the steel bars 7 are found out, and the positions of the steel bars 7 deducting the protective layers are accurately marked out.
Further punching, wherein the depth of the hole is more than or equal to 15D, measuring the hole depth by using an welding rod or other slender objects, cleaning the hole after meeting the requirements, inserting a thin hose at the end of a blower into the root of the punching, and cleaning floating ash of concrete slag; the bar planting holes are fully plugged by the bar planting glue, the steel bars 7 are inserted into the root parts of the holes, and the hand is stopped for a few seconds, so that the glue and the steel bars 7 have a certain nest wrapping force and can be loosened by the sagging force, the steel bars 7 are vertical or horizontal as much as possible, and the steel bars are not deviated, inclined and degummed; the steel bar is not easy to be immediately bound and connected with the reinforcing net and the external reinforcing net 4 after being planted, the steel bar is intermittently bound and connected with the reinforcing net and the external reinforcing net 4 after the strength of the steel bar planting glue reaches the design strength completely, and the binding connection length is more than or equal to 600mm and the binding is not less than three times.
The polyurethane waterproof coating is constructed, the base layer is cleaned up firstly, the dust such as wall root floating dust is cleaned up by adopting a blower, the wall edge is uniformly coated with the brush, the thickness is 1mm, the brush is used for preventing the wall edge from falling down, the bottom is not exposed, the steel bar 7 is not polluted, other non-waterproof parts are not polluted to be optimal, the root of the planted bar is fully coated along the periphery of the steel bar 7 by the brush, the inspection and acceptance is notified after the waterproof coating is finished according to floors, the next working procedure can be performed after the inspection is qualified, the protection of the waterproof coating finished product is paid attention when the steel bar 7 is bound, the waterproof layer is prevented from being damaged, and the local damage is timely repaired.
In the implementation step II, the polystyrene boards are connected with the side columns or the shear walls 10 or the structural beams 11 by adopting double-sided adhesives, and are glued as vertically or horizontally as possible, 20mm of each polystyrene board is deducted, 20mm of battens are adopted for caulking the caulking grooves, and the battens of the wedge openings and the templates are firmly marked by nails, so that the formwork is convenient to disassemble together;
the polyphenyl board of the wedge-shaped wood strip with inconvenient part positions can be stuck according to the width of 200 mm; the double-sided adhesive tape is at least 30mm away from the edge of the polystyrene board, and the double-sided adhesive tape is adhered to both sides of the polystyrene board, so that the polystyrene board is ensured not to fall off and warp;
after the wedge-shaped battens are removed, the impression and depth width of the grooves are trimmed, and the grooves which are 20mm deep and 20mm wide are trimmed along the edge of the polystyrene board by a paper cutter without being buckled and reduced on each side of the polystyrene board, so that the chips are required to be cleaned, and the later gluing quality is affected.
In the third step, the installation of the outer reinforcing net 4, the inner reinforcing net 3 and the insulation board 2 may be divided into three small steps, preferably, the outer reinforcing net 4 is installed, the outer vertical ribs 42 are installed in advance, the outer vertical ribs 42 are installed between the two reinforcing steel bars 7 at the end, the outer vertical ribs 42 are not connected with the structural beam 11, the end is placed with a 90-degree hook, then the outer horizontal ribs 41 are installed, 20mm is required to be left at the top, the binding distance between the outer horizontal ribs 41 and the outer vertical ribs 42, the specification, the protection layer, the lap joint length, the bending section length, the forming effect and the like are constructed according to the actual measurement requirement of the structural standard, the distance deviation of the outer vertical ribs 42 is less than 20mm, and the distance deviation of the outer horizontal ribs 41 is less than 10mm.
Secondly, installing the heat-insulating plates 2, blanking the heat-insulating plates 2 according to the wall size, deducting 100mm from top to bottom respectively, equally dividing the space between the heat-insulating plates 2 by 100mm after deducting 300mm from the height direction according to the wall clear height, fixing the heat-insulating plates 2 according to the principle that each plate is fixed with at least 4 points, and fixing by adopting the clamping hoop 5, so that the heat-insulating plates 2 are not rocked left and right, and are not deviated from top to bottom; the distance between the two vertical rods 52 of the clamp 5 is 100mm, the thickness of the clamp is the same as that of the heat insulation board 2, the extension length of each side is 50mm, and the upper heat insulation bag and the lower heat insulation bag are supported and fixed by the support rods 6, so that the heat insulation board 2 is prevented from moving up and down and sinking.
Finally, installing the inner vertical ribs 32, wherein the inner vertical ribs 32 are installed between two steel bars 7 at the end, the inner vertical ribs 32 are not connected with the structural beam 11, the end parts are placed in a 90-degree hook, then the inner horizontal ribs 31 are installed, 20mm is required to be reserved at the top, the binding interval, specification, protection layer, overlap length, bending section length, forming effect and the like of the inner horizontal ribs 31 and the inner vertical ribs 32 are constructed according to the actual measurement actual quantity requirements of structural standards, the interval deviation of the inner vertical ribs 32 is smaller than 20mm, the interval deviation of the inner horizontal ribs 31 is smaller than 10mm, and the inner vertical ribs 32 and the outer vertical ribs 42, the inner horizontal ribs 31 and the outer horizontal ribs 41 are respectively aligned on the same vertical line and the same horizontal plane; after the installation is completed, the drag hook ribs are required to be bound, the specification interval is horizontally arranged to 400mm, the vertical interval is arranged to 600mm, the drag hook ribs are arranged in a plum blossom shape, and the drag hook ribs are fully bound with the outer vertical ribs 42, the inner horizontal ribs 31 and the outer horizontal ribs 41.
In the fourth step, the formwork and reinforcement construction are carried out according to the standard of a formwork system of the shear wall 10, a rear formwork of 1.5mm and 88 x 38 wood Fang Beileng are adopted, steel pipes are used for oppositely pulling and fixing, the split bolts 14 are used for horizontally fixing the spacing of 400mm, the vertical fixing spacing of 600mm, 20 x 10 wedge-shaped wood strips are needed to be fixed in advance at the contact part of the wall 1 and the original structural shear wall 10, each formwork is sequentially numbered, and the formworks at the same part of other floors are supported after the subsequent formwork removal, so that the material waste of the matched formwork is reduced, and the section size control is facilitated; adhering a sponge strip to the joint of cast-in-situ and original poured concrete to prevent slurry leakage; at least one horn mouth is reserved at the upper opening of each wallboard formwork, and the horn mouth is 30-50mm higher than the concrete surface after finishing, so that concrete pouring is convenient to compact; the horn mouth is a loose joint, can be detached and installed at any time, and can start pouring construction after acceptance inspection is qualified.
In the fifth implementation step, a small concrete delivery pump is adopted to pour the wall body 1, a concrete mark C25 is adopted, a 50 vibration rod is adopted, the concrete is poured and pulled upwards slowly in advance along the part which is not the heat insulation board 2, and the vibration rod is tightly forbidden to vibrate on the heat insulation board 2; preventing damage or deviation to the heat insulation board 2 to influence the thickness of the protective layer; pouring the part which cannot be reached by the small-sized conveying pump in a manual vehicle relay mode, and tightly forbidden to pour the concrete on the pouring ground by adopting a self-made vessel for transportation; and after pouring, the site civilized construction is finished, the spilled concrete and the concrete on the templates and the like need to be cleaned in time, the concrete at the horn mouth is chiseled after the concrete is finally set, the chiseling is forbidden before the initial setting, and the disturbance is prevented from damaging the integrity of the concrete.
After the construction is completed, the formwork is disassembled, then the polyphenyl board and the wedge-shaped battens at the caulking part are disassembled, the base layer is cleaned up, the bell mouth concrete is chiseled, the whole floor is cleaned in a sanitary way, the adjacent edge protection work is timely carried out at the position where the adjacent edge protection is not in place, the caulking part of the wall body 1 after casting molding is required to be glued, the damaged part of the concrete corner at the caulking part is required to be repaired by mortar in advance, and the consistency and the beautiful appearance of the width after glue injection are ensured; adhering masking paper along two sides of the caulking part of the wall body 1 to prevent pollution to other parts, pouring weather-proof glue into the caulking part, and filling sealing glue into gaps or bubbles; the paper with the beautiful patterns is cleaned, collected by a pocket and transported to a designated stacking place, the paper cannot be discarded at will to cause secondary pollution, and finally the protection work of the finished product of the wall body 1 is finished.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a core-embedded concrete outer wall which characterized in that: the heat insulation board comprises a wall body, and heat insulation boards, an inner reinforcing net, an outer reinforcing net and a clamp which are arranged in the wall body, wherein the inner reinforcing net and the outer reinforcing net are parallel and are arranged at intervals, a plurality of heat insulation boards are arranged between the inner reinforcing net and the outer reinforcing net, one end of the clamp is connected with the inner reinforcing net and the outer reinforcing net, and the other end of the clamp is clamped on the heat insulation boards;
the heat insulation board also comprises support rods, and the bottom of each heat insulation board is provided with the support rods;
the support rod is of an I-shaped structure formed by welding a connecting rod and two longitudinal rods, two ends of the connecting rod protrude out of the two longitudinal rods, and the two longitudinal rods are respectively abutted to the upper and lower adjacent two heat insulation boards.
2. The embedded concrete exterior wall according to claim 1, wherein: the inner reinforcing net comprises inner horizontal ribs and inner vertical ribs, a plurality of inner horizontal ribs and a plurality of inner vertical ribs are vertically staggered, the number of the inner horizontal ribs projected on the single heat insulation plate is at least three, and the number of the inner vertical ribs projected on the single heat insulation plate is at least two.
3. The embedded concrete exterior wall according to claim 2, wherein: the external reinforcing net comprises external horizontal ribs and external vertical ribs, a plurality of external horizontal ribs and a plurality of external vertical ribs are vertically staggered, the number of the external horizontal ribs projected on the single heat insulation plate is at least three, and the number of the external vertical ribs projected on the single heat insulation plate is at least two.
4. A core concrete exterior wall according to claim 3, wherein: the heat preservation boards are EPS boards, a plurality of heat preservation boards are rectangular arrays and are evenly distributed between the inner reinforcing net and the outer reinforcing net at intervals, and the two ends of each heat preservation board are provided with the clamping hoops.
5. The embedded concrete exterior wall according to claim 4, wherein: the clamp is of a U-shaped structure formed by welding a cross rod and two vertical rods, two ends of the cross rod are respectively fixed on the inner horizontal rib and the outer horizontal rib, and one side of the heat insulation plate is clamped in an opening formed by the two vertical rods.
6. A method of constructing a core concrete exterior wall according to any one of claims 3 to 5, wherein: the method comprises the following steps:
step one: prefabricating steel bars for fixing the inner reinforcing net and the outer reinforcing net at a soil wall construction position, cleaning the root position of the wall, and uniformly brushing polyurethane waterproof paint;
step two: installing vertical polyphenyl plates at positions of the shear walls connected with two ends of the wall, installing top polyphenyl plates at positions of the structural beams connected with the top of the wall, and reserving embedded slots at the junctions of the vertical polyphenyl plates and the shear walls and the junctions of the top polyphenyl plates and the structural beams;
step three: binding the external reinforcing net and the internal reinforcing net at the construction position of the soil wall, so that the insulation board is fixed between the external reinforcing net and the internal reinforcing net;
step four: the two sides of the external reinforcing net and the internal reinforcing net are provided with wallboard supporting molds and are reinforced by battens, and the tops of the wallboard supporting molds are provided with detachable bell mouths;
step five: pouring the wall body by adopting a concrete delivery pump, removing the mould after final setting, and gluing or attaching the decorative pattern paper to the caulking part.
7. The construction method of the embedded concrete outer wall according to claim 6, wherein the construction method comprises the following steps: in the third step, firstly binding the external fixed net on one side of the earth wall construction position, then welding and fixing the clamp on the position of the external fixed net corresponding to each heat insulation board, fixing the heat insulation boards on the external fixed net through the clamp, ensuring that the heat insulation boards do not shake and deviate left and right and up and down, and finally binding the internal fixed net on the other side of the earth wall construction position, ensuring that the internal fixed net is aligned with the external fixed net, and welding and fixing the clamp and the internal fixed net.
8. The construction method of the embedded concrete outer wall according to claim 7, wherein the construction method comprises the following steps: in the third step, after the binding of the inner reinforcing net and the outer reinforcing net is completed, binding drag hook ribs at the positions where the inner horizontal ribs and the inner vertical ribs are crossed and at the positions where the outer horizontal ribs and the outer vertical ribs are crossed, wherein the drag hook ribs are arranged in a quincunx shape.
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| CN110080439A (en) * | 2019-04-23 | 2019-08-02 | 济南捷源新材料有限公司 | Novel wall and its construction technology |
| CN211499326U (en) * | 2019-11-12 | 2020-09-15 | 中国新兴建筑工程有限责任公司 | Synchronous construction structures of concrete infilled wall and cast-in-place structure |
| CN112538915A (en) * | 2020-12-21 | 2021-03-23 | 林荣 | Precast concrete wallboard and manufacturing method thereof |
| TW202132668A (en) * | 2020-02-20 | 2021-09-01 | 陳傳亨 | Heat-insulating formwork and building method of the same |
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2021
- 2021-09-03 CN CN202111031622.7A patent/CN113700169B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205242658U (en) * | 2015-11-28 | 2016-05-18 | 常化南 | External wall insulation adds muscle composite sheet, Thermal insulation wall integral structure |
| CN208668672U (en) * | 2018-07-25 | 2019-03-29 | 邯郸市曙光新型建材科技有限公司 | A kind of beam and the filling integrated prefabricated interior wall of wall |
| CN110080439A (en) * | 2019-04-23 | 2019-08-02 | 济南捷源新材料有限公司 | Novel wall and its construction technology |
| CN211499326U (en) * | 2019-11-12 | 2020-09-15 | 中国新兴建筑工程有限责任公司 | Synchronous construction structures of concrete infilled wall and cast-in-place structure |
| TW202132668A (en) * | 2020-02-20 | 2021-09-01 | 陳傳亨 | Heat-insulating formwork and building method of the same |
| CN112538915A (en) * | 2020-12-21 | 2021-03-23 | 林荣 | Precast concrete wallboard and manufacturing method thereof |
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