CN107165303B - External heat preservation type cross-shaped composite wall with lead pipe-coarse sand energy dissipation and shock absorption keys and manufacturing method - Google Patents
External heat preservation type cross-shaped composite wall with lead pipe-coarse sand energy dissipation and shock absorption keys and manufacturing method Download PDFInfo
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- CN107165303B CN107165303B CN201710226496.8A CN201710226496A CN107165303B CN 107165303 B CN107165303 B CN 107165303B CN 201710226496 A CN201710226496 A CN 201710226496A CN 107165303 B CN107165303 B CN 107165303B
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- 230000035939 shock Effects 0.000 title claims abstract description 68
- 230000021715 photosynthesis, light harvesting Effects 0.000 title claims abstract description 66
- 238000004321 preservation Methods 0.000 title claims abstract description 64
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 63
- 239000002131 composite material Substances 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000004567 concrete Substances 0.000 claims abstract description 97
- 238000009413 insulation Methods 0.000 claims description 44
- 229910000831 Steel Inorganic materials 0.000 claims description 31
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- 230000000694 effects Effects 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 230000001172 regenerating effect Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 229920006351 engineering plastic Polymers 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 210000002105 tongue Anatomy 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 10
- 238000004134 energy conservation Methods 0.000 abstract description 6
- 230000007123 defense Effects 0.000 abstract description 5
- 238000013016 damping Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000011449 brick Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
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- 238000001723 curing Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229920006327 polystyrene foam Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
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- 238000001816 cooling Methods 0.000 description 1
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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
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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
- E04B1/762—Exterior insulation of exterior walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
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Abstract
The invention discloses an external heat preservation type cross-shaped composite wall with a lead pipe-coarse sand energy dissipation and shock absorption key and a manufacturing method thereof, and belongs to the technical field of energy conservation and earthquake resistance of buildings. The cross-shaped composite wallboard mainly comprises a recycled concrete wallboard, an EPS heat preservation module, a PVC pipe and a lead pipe-coarse sand energy dissipation and shock absorption key. The invention adopts a lead pipe-coarse sand energy dissipation and shock absorption key, and is assembled in PVC pipes with reserved holes in the upper and lower composite wallboards when the upper and lower composite wallboards are assembled. The cross-shaped composite wall body is provided with two anti-seismic defense lines and has good energy dissipation and shock absorption performance. The invention changes the defect of temperature difference protection of the common concrete wall body, overcomes the defect of poor shock resistance of the assembled concrete wall body, and organically combines the lead pipe-coarse sand damping control device with the assembled composite wall body with a novel structure to form the shock-resistant, energy-saving and fireproof integrated wall body. Meanwhile, the composite wall body utilizes recycled concrete materials, is beneficial to the resource development of construction waste, and has obvious environmental benefit.
Description
Technical Field
The invention relates to an external heat preservation type cross-shaped composite wall with a lead pipe-coarse sand energy dissipation and shock absorption key and a manufacturing method thereof, belonging to the technical field of energy conservation and earthquake resistance of buildings.
Background
(1) China is wide in region and large in population, most buildings are in earthquake regions, and part of the buildings are mainly built by themselves. In the great earthquakes of Tangshan, Wenchuan, Yushu and Yaan, the house destruction and collapse are very tragic. The assembled earthquake-resistant energy-saving integrated structure which is low in cost, easy to operate and practical is researched and developed to meet the great demand of national development.
(2) The heat insulation performance of the wall of the house is poor, the wall is cold in winter, a large amount of energy is consumed for heating, and the indoor thermal environment and the comfort level are poor; in summer, the cooling electric appliance is used in the hot season, so that the power consumption is large. The development of the low-energy-consumption assembled earthquake-resistant energy-saving integrated structure is highly valued by the nation, and the society generally pays attention to the structure.
(3) The durability and the whole anti-seismic performance of the traditional multilayer masonry structure are generally poor. The shear wall structure of the high-rise residence has the problems of high manufacturing cost, thick wall body and difficult popularization due to the limitation on the thickness of the wall body and the complex reinforcing bar structure of the shear wall structure in the multi-layer shear wall structure. In addition, the development of a modular structure system and an industrial construction technology is a great demand for the construction and development of low-rise and multi-layer structures, and the application of ecological environment-friendly building materials in house structures is a strategic demand for sustainable development. Based on the technical scheme, the novel energy-saving and earthquake-resistant integrated structural system has the advantages of low energy consumption and easiness in construction, replaces a full concrete wall body with EPS (polystyrene foam plastics) external thermal insulation, replaces common concrete with recycled concrete, is suitable for recycling construction waste, replaces the traditional clay brick with the recycled concrete in a light wall body, is energy-saving and earthquake-resistant integrated, and is suitable for the development of a novel earthquake-resistant and energy-saving structural system of a low multi-story building.
Disclosure of Invention
The invention aims to provide an assembled external heat-insulation cross-shaped composite wall with a lead pipe-coarse sand energy dissipation and shock absorption key and a manufacturing method thereof, which have the advantages of simplicity in operation, strong practicability, environmental friendliness, earthquake resistance, energy conservation, assembly construction and the like, so that the problems of low earthquake resistance and energy consumption, poor heat insulation performance, low construction speed and the like of the traditional brick house building are effectively solved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the external heat preservation type cross-shaped composite wall body is provided with a lead pipe-coarse sand energy dissipation and shock absorption key and is formed by assembling two or more internal and external cross-shaped composite wall boards; the crossed composite wallboard is formed by assembling and assembling a recycled concrete wallboard 1, an EPS (polystyrene foam) heat insulation module 2, a PVC pipe 3 and a lead pipe-coarse sand energy dissipation and shock absorption key 4, wherein the lead pipe-coarse sand energy dissipation and shock absorption key 4 is composed of a lead pipe 5 with good plastic deformation energy dissipation and shock absorption performance, coarse sand 6 with good friction energy dissipation and shock absorption performance, a galvanized thin steel sheet cover plate 7 and a bolt 8.
Recycled concrete wallboard 1 is single arrangement of reinforcement recycled concrete wallboard, is located EPS heat preservation module 2's inboard, has both been favorable to the atress to protection EPS heat preservation module 2 still plays the effect of fire prevention.
EPS heat preservation module 2 is equipped with evenly distributed's dovetail as the outer heat preservation of recycled concrete wallboard, EPS heat preservation module 2's surface, is favorable to pouring the shaping back of recycled concrete, and EPS heat preservation module 2 carries out mechanical interlock with its inboard recycled concrete wallboard 1, constitutes outer heat preservation cross wall body. The surrounding of the EPS heat preservation module 2 is provided with a tongue-and-groove, which facilitates the module splicing, and enables the smaller EPS heat preservation module 2 to be occluded and spliced into a large EPS heat preservation template.
The PVC pipes 3 are nested in the reserved holes in the recycled concrete wall board 1 and used for placing lead pipes and coarse sand energy dissipation and shock absorption keys 4.
The lead pipe-coarse sand energy dissipation and shock absorption key 4 is characterized in that coarse sand 6 with the particle size of 2mm-5mm is poured into a lead pipe 5, a galvanized thin steel sheet cover plate 7 is adopted to cover and seal the upper end and the lower end of the lead pipe 5, and a bolt 8 is adopted to tighten the lead pipe-coarse sand energy dissipation and shock absorption key. The lead pipe-coarse sand energy dissipation and shock absorption key 4 is inserted and embedded in the PVC pipe 3.
The reserved holes are arranged at the cross center and the cross end parts of the recycled concrete wallboard 1.
The recycled concrete wallboard 1 is composed of recycled concrete and a single-row reinforced steel wire mesh, wherein the diameter of the recycled concrete coarse aggregate particles is 5-10 mm; specification of the recycled concrete wallboard: the length is 600mm-6000mm, and the length modulus is 300 mm; the height of the section is 300mm-1500mm, and the height modulus is 100 mm; the thickness is 30mm-60mm, and the thickness modulus is 10 mm; the edge of the joint of the recycled concrete wallboard is provided with a slope angle of 45 degrees, the side length of the slope angle is 3mm-5mm, and the joint of the assembly is sealed by cement mortar; the inner surface of the recycled concrete wallboard adopts 5mm-10mm thick plastering mortar as a protective surface layer; the periphery of the recycled concrete wallboard is provided with a tongue-and-groove, so that the wall body can be conveniently assembled.
The EPS heat preservation module is used as an external heat preservation layer of the recycled concrete wallboard, so that the heat preservation and heat insulation capacity of the house is enhanced; the EPS heat preservation module is also used as an outer template of a recycled concrete wallboard, the recycled concrete wallboard on the inner side is provided with a single-row reinforced steel wire mesh, a broken bridge key made of engineering plastics penetrates through the EPS heat preservation module to fix the single-row reinforced steel wire mesh on the inner side, and a dovetail groove on the surface of the EPS heat preservation module and the recycled concrete wallboard of the cross composite wallboard form mechanical occlusion in the process of pouring recycled concrete; the grooves and the tongues are arranged on the periphery of the EPS heat preservation module, so that the EPS heat preservation modules with small sizes can be conveniently assembled into an EPS heat preservation template with large size, and the EPS heat preservation modules are tightly engaged through the grooves and the tongues at the assembly joints; the thickness of the EPS heat preservation module is 60mm-100 mm; in order to prevent dust, sundries and accumulated water from entering the EPS heat insulation modules and the regenerative concrete wall panel rabbets when the upper cross-shaped composite wall panel and the lower cross-shaped composite wall panel are assembled, the EPS heat insulation modules of the lower assembled wall panel and the regenerative concrete wall panel upper end rabbets are convex grooves, and the assembled upper wall panel corresponding part lower end rabbets are grooves.
The PVC pipe is inserted and embedded in the reserved hole of the recycled concrete wallboard, the lead pipe-coarse sand energy dissipation and shock absorption key is placed in the PVC pipe, and the PVC pipe can prevent the recycled concrete wallboard from generating local damage at the reserved hole in the shearing process.
The galvanized sheet steel cover plate in the lead pipe-coarse sand energy dissipation and shock absorption key has the same outer diameter as the lead pipe and is 40-80 mm; the height is not less than the sum of the depths of the PVC pipes in the reserved holes of the upper wallboard and the lower wallboard at the assembly joint and is not less than 100 mm. The interval between the lead pipe and the coarse sand energy dissipation and shock absorption key is 300-1500 mm, the modulus is 100mm, and the lead pipe and the coarse sand energy dissipation and shock absorption key are arranged at the intersection of the longitudinal wall and the transverse wall.
The manufacturing method of the assembled external heat-insulation cross-shaped composite wall body with the lead pipe-coarse sand energy dissipation and shock absorption keys comprises the following steps:
the first step is as follows: the EPS heat insulation module is used as an outer template for pouring the heat insulation board and the recycled concrete wallboard, a single-row reinforced steel wire mesh is fixed on the inner side of the EPS heat insulation module, the mesh interval of the steel wires is 50-100 mm, the diameter of the steel wires is 1.0-1.2 mm, and the EPS heat insulation module and a dovetail groove on the surface of the EPS heat insulation module form mechanical occlusion after the recycled concrete is poured.
The second step is that: and inserting PVC pipes with the same diameter and depth into the reserved holes of the recycled concrete wall boards.
The third step: pouring coarse sand into the lead pipe, capping and plugging the upper end and the lower end of the lead pipe by adopting a galvanized thin steel sheet cover plate, and screwing up the cover plate through bolts to form the lead pipe-coarse sand energy dissipation and shock absorption key.
The fourth step: and placing the lead pipe-coarse sand energy dissipation and shock absorption key in the PVC pipe in the reserved hole, wherein an assembly gap is bonded by epoxy resin.
The fifth step: and (3) smearing plastering mortar with the thickness of 5-10 mm on the inner surface of the recycled concrete wallboard to serve as a protective surface layer.
And a sixth step: and after the wall body is assembled, adopting cement mortar to seal the joint slope angle of the recycled concrete wall board.
Compared with the prior art, the method has the following advantages:
(1) the industrialization level is high. The assembled external heat-insulation cross-shaped composite wall body with the lead pipe-coarse sand energy dissipation and shock absorption keys is suitable for low and multi-storey buildings. The lead pipe-coarse sand energy dissipation damping key, the EPS heat insulation module and the assembled light wallboard are produced in a factory, and are assembled into a light heat insulation, anti-seismic and energy-saving integrated wall body on site, so that the production efficiency is high, and the quality is good.
(2) The recycled concrete is utilized as a large amount of environment-friendly building material, so that resources are saved, and sustainable development is facilitated.
(3) The heat preservation, the anti-seismic, the energy conservation and the fire prevention are integrated. The light wall body of the invention has the advantages that the outer heat-insulating layer is an EPS module, the inner side is a recycled concrete wallboard, the dead weight is lighter than that of a solid concrete wall body, and the seismic performance is better than that of a brick wall. The EPS heat preservation module is used as the outer heat preservation layer of the light wall, and the heat preservation effect of the wall is obviously improved. The recycled concrete wall body can play a role in protecting the EPS module on the inner side of the EPS heat insulation plate, can play a role in fire prevention, and is good in durability.
(4) The wall body has two anti-seismic defense lines and has good energy dissipation and shock absorption performance. After the lead pipe-coarse sand energy dissipation and shock absorption keys are arranged between the upper and lower assembled wallboards, the assembled wall body is integrally provided with a plurality of anti-seismic defense lines. The first anti-seismic defense line is characterized in that under small earthquakes, the upper and lower assembled wallboards do not move in a staggered manner due to the bonding effect of cement mortar between the assembling gaps of the recycled concrete wallboards, the assembled wallboards are in an integral stressed state, the lateral force resisting rigidity is high, the horizontal lateral movement of the wallboards is small, and the wallboards are basically in an elastic deformation state under the small earthquakes; and in the second earthquake-proof defense line, the bonding action of cement mortar between assembly gaps of the recycled concrete wallboards between the assembled upper wallboard and the assembled lower wallboard is damaged under medium earthquake or large earthquake, the upper assembled wallboard and the assembled lower wallboard start to move in a staggered manner, the assembled wall body has the characteristic of staggered movement of the gaps of the layered wallboards, the lateral force resisting rigidity of the wall body is reduced, the structural period is prolonged, the earthquake action is correspondingly reduced after the period is prolonged, but the horizontal lateral movement of the wall body is relatively large, at the moment, a lead pipe and a coarse sand energy dissipation and shock absorption key play an important role, namely the development of the staggered movement and the displacement of the upper assembled wallboard and the lower assembled wallboard is limited, the lead pipe mainly dissipates energy and absorbs shock through plastic deformation, and the coarse sand mainly dissipates energy and absorbs shock through friction.
(6) The transportation and the installation are convenient. The prefabricated parts adopted by the invention have light weight and are convenient to transport and install.
(7) The concrete curing method has the advantages that the moisture of the concrete poured in the construction site is obviously reduced, the time required by the on-site curing of the concrete is reduced, and the construction progress is accelerated. The fabricated external heat-insulation cross-shaped composite wall with the lead pipe-coarse sand energy dissipation and shock absorption keys reduces template engineering, concrete cast-in-place engineering and the like, saves resources, labor, reduces management cost and ensures engineering quality.
Drawings
FIG. 1 is a cross-shaped composite wall elevation view of an external heat preservation type with lead pipes and coarse sand energy dissipation and shock absorption keys;
FIG. 2 is a partial view of a cross-shaped composite wall body with external heat preservation and lead pipe-coarse sand energy dissipation and shock absorption keys;
FIG. 3 is a vertical view of a lead pipe-grit energy-dissipating and shock-absorbing key;
FIG. 4 is an overall assembly diagram of a cross-shaped composite wall body of an external heat preservation type and with a lead pipe-coarse sand energy dissipation and shock absorption key;
FIG. 5 is an EPS insulation module with a single row of reinforced steel wire mesh;
FIG. 6.1 is a cross-shaped composite wall body occlusion-bonding section I of an external heat preservation type and with a lead pipe-coarse sand energy dissipation and shock absorption key.
And 6.2, a second cross-shaped composite wall occlusion-bonding section which is of an external heat preservation type and is provided with a lead pipe-coarse sand energy dissipation and shock absorption key.
In the figure: 1. the concrete wall panel comprises a recycled concrete wall panel, 2, an EPS heat preservation module, 3, PVC pipes, 4, lead pipes, a coarse sand energy dissipation and shock absorption key, 5, lead pipes, 6, coarse sand, 7, a galvanized thin steel sheet cover plate, 8 and bolts.
Detailed Description
The present invention will be further described with reference to the following embodiments.
As shown in figure 1, the external heat preservation type cross-shaped composite wall body with the lead pipe-coarse sand energy dissipation and shock absorption keys comprises a recycled concrete wallboard 1, an EPS heat preservation module 2, a PVC pipe 3, the lead pipe-coarse sand energy dissipation and shock absorption keys 4, a lead pipe 5, coarse sand 6, a galvanized thin steel sheet cover plate 7 and bolts 8.
Specifically, the method comprises the following steps:
the recycled concrete wallboard 1 is composed of recycled concrete and a single-row reinforced steel wire mesh, wherein the diameter of the recycled concrete coarse aggregate particles is 5-10 mm; 1 specification of the recycled concrete wallboard: the length is 600mm-6000mm, and the length modulus is 300 mm; the height of the section is 300mm-1500mm, and the height modulus is 100 mm; the thickness is 30mm-60mm, and the thickness modulus is 10 mm; the edge of the joint of the recycled concrete wallboard 1 is provided with a slope angle of 45 degrees, the side length of the slope angle is 3mm-5mm, and the joint is sealed by cement mortar; the inner surface of the recycled concrete wallboard 1 adopts 5mm-10mm thick plastering mortar as a protective surface layer; the periphery of the recycled concrete wallboard 1 is provided with a tongue-and-groove, so that the wall body can be conveniently assembled.
The EPS heat preservation module 2 is used as an external heat preservation layer of the recycled concrete wallboard 1, so that the heat preservation and heat insulation capacity of the house is enhanced; the EPS heat preservation module 2 is also used as an outer template of the inner side recycled concrete wallboard 1, the inner side recycled concrete wallboard 1 is provided with a single-row reinforced steel wire mesh, a bridge-cut key made of engineering plastics penetrates through the EPS heat preservation module 2 to fix the single-row reinforced steel wire mesh, and a dovetail groove on the surface of the EPS heat preservation module 2 and the recycled concrete wallboard 1 in the cross-shaped composite wallboard form mechanical occlusion in the process of pouring recycled concrete; the EPS heat preservation module 2 is provided with the tongue-and-groove around, which is convenient for assembling the EPS heat preservation module with small size into the EPS heat preservation template with large size, and the EPS heat preservation module is tightly engaged through the tongue-and-groove at the assembling joint. The thickness of the EPS heat preservation module 2 is 60mm-100 mm; in order to prevent dust, sundries and accumulated water from entering the grooves of the recycled concrete wallboard 1 and the EPS heat insulation module 2 during the assembly of the upper cross-shaped composite wallboard and the lower cross-shaped composite wallboard, the grooves at the upper ends of the recycled concrete wallboard 1 and the EPS heat insulation module 2 in the lower assembled wallboard are convex grooves, and the grooves at the lower ends of the corresponding parts of the assembled upper wallboard are grooves.
The PVC pipes 3 are inserted and embedded in the reserved holes of the recycled concrete wallboard 1, the lead pipe-coarse sand energy dissipation and shock absorption keys 4 are placed in the PVC pipes 3, and the PVC pipes 3 can prevent the recycled concrete wallboard 1 from generating local damage at the reserved holes in the shearing process.
The lead pipe-coarse sand energy dissipation and shock absorption key 4 is characterized in that coarse sand 6 with the particle size of 2mm-5mm is poured into a lead pipe 5, a galvanized thin steel sheet cover plate 7 is adopted to cover and seal the upper end and the lower end of the lead pipe 5, and a bolt 8 is adopted to tighten the lead pipe-coarse sand energy dissipation and shock absorption key. And the lead pipe-coarse sand energy dissipation and shock absorption key 4 is inserted and embedded in the PVC pipe 3 in the reserved hole of the recycled concrete wallboard 1. The galvanized sheet steel cover plate 7 in the lead pipe-coarse sand energy dissipation damping key 4 has the same outer diameter as the lead pipe, and is 40 mm-80 mm; the height is not less than the sum of the depths of the PVC pipes 3 of the upper wallboard and the lower wallboard at the assembly joint and is not less than 100 mm. The interval between the lead pipe and the coarse sand energy dissipation and shock absorption key 4 is 300mm-1500mm, the modulus is 100mm, and the lead pipe and the coarse sand energy dissipation and shock absorption key are arranged at the intersection of the longitudinal wall and the transverse wall.
The manufacturing method comprises the following steps:
the first step is as follows: the EPS heat preservation module 2 is used as an external template for pouring the heat preservation plate and the recycled concrete wallboard 1, a single-row reinforced steel wire mesh is fixed on the inner side of the EPS heat preservation module, the mesh interval of the steel wires is 50-100 mm, the diameter of the steel wires is 1.0-1.2 mm, and the EPS heat preservation module and a dovetail groove on the surface of the EPS heat preservation module 2 form mechanical occlusion after the recycled concrete is poured.
The second step is that: in the prepared hole of the recycled concrete wall panel 1, a PVC pipe 3 having the same diameter and depth is inserted.
The third step: coarse sand 6 is poured into the lead pipe 5, the upper end and the lower end of the lead pipe are capped and plugged by a galvanized thin steel sheet cover plate 7, and the lead pipe-coarse sand energy dissipation and shock absorption key 4 is formed by screwing up a bolt 8.
The fourth step: and placing the lead pipe-coarse sand energy dissipation and shock absorption key 4 in the PVC pipe 3 nested in the reserved hole of the recycled concrete wallboard 1, wherein the assembly gap is bonded by epoxy resin.
The fifth step: and smearing plastering mortar with the thickness of 5-10 mm on the inner surface of the recycled concrete wallboard 1 to serve as a protective surface layer.
And a sixth step: and after the wall body is assembled, adopting cement mortar to seal the joint slope angle of the recycled concrete wall board.
The lead pipe-coarse sand energy dissipation damping key, the EPS heat insulation module and the assembled light wallboard are produced in a factory, and are assembled into a light heat insulation, anti-seismic and energy-saving integrated wall body on site, so that the production efficiency is high, and the quality is good; the recycled concrete is utilized as a large amount of environment-friendly building material, so that resources are saved, and sustainable development is facilitated. The structure integrally realizes the characteristics of integration of heat preservation, shock resistance, energy conservation and fire prevention.
The invention aims to provide an external heat preservation type cross composite wall with a lead pipe-coarse sand energy dissipation and shock absorption key and a manufacturing method thereof, which have the advantages of simplicity in operation, strong practicability, environmental friendliness, earthquake resistance, energy conservation, assembly construction and the like, so that the problems of low earthquake resistance and energy consumption capability, poor heat preservation performance, low construction speed and the like of the traditional brick house building are effectively solved.
The above is an exemplary embodiment of the present invention, and the implementation of the present invention is not limited thereto.
Claims (3)
1. The method for manufacturing the external heat-preservation type cross-shaped composite wall with the lead pipe-coarse sand energy dissipation and shock absorption keys realizes that the external heat-preservation type cross-shaped composite wall with the lead pipe-coarse sand energy dissipation and shock absorption keys is formed by assembling two or more internal and external cross-shaped composite wallboards; the crossed composite wallboard is formed by assembling a recycled concrete wallboard (1), an EPS heat insulation module (2), a PVC pipe (3) and a lead pipe-coarse sand energy dissipation and shock absorption key (4), wherein the lead pipe-coarse sand energy dissipation and shock absorption key (4) consists of a lead pipe (5) with good plastic deformation energy dissipation and shock absorption performance, coarse sand (6) with good friction energy dissipation and shock absorption performance, a galvanized thin steel sheet cover plate (7) and a bolt (8);
the regenerated concrete wallboard (1) is a single-row reinforced regenerated concrete wallboard and is positioned on the inner side of the EPS heat insulation module (2), so that the stress is facilitated, the EPS heat insulation module (2) is protected, and the fireproof effect is achieved;
the EPS heat insulation module (2) is used as an outer heat insulation layer of the recycled concrete wallboard, dovetail grooves which are uniformly distributed are formed in the surface of the EPS heat insulation module (2), and after the recycled concrete is poured and formed, the EPS heat insulation module (2) is mechanically meshed with the recycled concrete wallboard (1) on the inner side of the EPS heat insulation module to form an outer heat insulation cross-shaped wall body; the grooves and the tongues are arranged on the periphery of the EPS heat preservation module (2), so that the modules can be conveniently spliced, and the small EPS heat preservation module (2) is engaged and spliced into a large EPS heat preservation template;
the PVC pipe (3) is nested in a reserved hole on the recycled concrete wallboard (1) and is used for placing a lead pipe-coarse sand energy dissipation and shock absorption key (4);
the lead pipe-coarse sand energy dissipation and shock absorption key (4) is characterized in that coarse sand (6) with the particle size of 2-5 mm is poured into a lead pipe (5), a galvanized thin steel sheet cover plate (7) is adopted to cover and seal the upper end and the lower end of the lead pipe (5), and a bolt (8) is adopted to screw down; the lead pipe-coarse sand energy dissipation and shock absorption key (4) is inserted and embedded in the PVC pipe (3);
the reserved holes are arranged in the centers of the crosses and the end parts of the crosses of the recycled concrete wall boards (1);
the recycled concrete wallboard (1) is composed of recycled concrete and a single-row reinforced steel wire mesh, wherein the diameter of the recycled concrete coarse aggregate particles is 5-10 mm; specification of the recycled concrete wallboard: the length is 600mm-6000mm, and the length modulus is 300 mm; the height of the section is 300mm-1500mm, and the height modulus is 100 mm; the thickness is 30mm-60mm, and the thickness modulus is 10 mm; the edge of the joint of the recycled concrete wallboard is provided with a slope angle of 45 degrees, the side length of the slope angle is 3mm-5mm, and the joint of the assembly is sealed by cement mortar; the inner surface of the recycled concrete wallboard adopts 5mm-10mm thick plastering mortar as a protective surface layer; the periphery of the recycled concrete wallboard is provided with a tongue-and-groove, so that the wall body can be conveniently assembled;
the method is characterized in that: the method comprises the following specific manufacturing steps: the EPS heat insulation module is used as an outer template for pouring the heat insulation board and the recycled concrete wallboard, a single-row reinforced steel wire mesh is fixed on the inner side of the EPS heat insulation module, the mesh interval of the steel wires is 50-100 mm, the diameter of the steel wires is 1.0-1.2 mm, and the EPS heat insulation module and a dovetail groove on the surface of the EPS heat insulation module form mechanical occlusion after the recycled concrete is poured;
the second step is that: inserting PVC pipes with the same diameter and depth as the holes in the reserved holes of the recycled concrete wall boards;
the third step: pouring coarse sand into the lead pipe, capping and plugging the upper end and the lower end of the lead pipe by adopting a galvanized thin steel sheet cover plate, and screwing up the lead pipe and the coarse sand to form a lead pipe-coarse sand energy dissipation and shock absorption key;
the fourth step: placing a lead pipe-coarse sand energy dissipation and shock absorption key in a PVC pipe in a reserved hole, and bonding an assembly gap of the lead pipe-coarse sand energy dissipation and shock absorption key by using epoxy resin;
the fifth step: smearing plastering mortar with the thickness of 5-10 mm on the inner surface of the recycled concrete wallboard to serve as a protective surface layer;
and a sixth step: and after the wall body is assembled, adopting cement mortar to seal the joint slope angle of the recycled concrete wall board.
2. The method for manufacturing the external thermal insulation type cross-shaped composite wall with the lead pipe-coarse sand energy dissipation and shock absorption keys according to claim 1, wherein the method comprises the following steps: in the process of pouring recycled concrete, a bridge cut-off key made of engineering plastics penetrates through the EPS heat insulation module to fix the inner side single-row reinforced steel wire mesh; the thickness of the EPS heat preservation module is 60mm-100 mm; in order to prevent dust, sundries and accumulated water from entering the EPS heat insulation modules and the regenerative concrete wall panel rabbets when the upper cross-shaped composite wall panel and the lower cross-shaped composite wall panel are assembled, the EPS heat insulation modules of the lower assembled wall panel and the regenerative concrete wall panel upper end rabbets are convex grooves, and the assembled upper wall panel corresponding part lower end rabbets are grooves.
3. The method for manufacturing the external thermal insulation type cross-shaped composite wall with the lead pipe-coarse sand energy dissipation and shock absorption keys according to claim 1, wherein the method comprises the following steps: the galvanized sheet steel cover plate in the lead pipe-coarse sand energy dissipation and shock absorption key has the same outer diameter as the lead pipe and is 40-80 mm; the height is not less than the sum of the depths of the PVC pipes in the reserved holes of the upper wallboard and the lower wallboard at the assembly joint and is not less than 100 mm; the interval between the lead pipe and the coarse sand energy dissipation and shock absorption key is 300-1500 mm, the modulus is 100mm, and the lead pipe and the coarse sand energy dissipation and shock absorption key are arranged at the intersection of the longitudinal wall and the transverse wall.
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| CN201710226496.8A CN107165303B (en) | 2017-04-09 | 2017-04-09 | External heat preservation type cross-shaped composite wall with lead pipe-coarse sand energy dissipation and shock absorption keys and manufacturing method |
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| CN107882199A (en) * | 2017-10-12 | 2018-04-06 | 金陵科技学院 | A kind of assembled architecture damping device |
| CN110130484A (en) * | 2019-05-20 | 2019-08-16 | 湖南云亭烯新材料科技有限公司 | A kind of graphene EPS assembled architecture system |
| CN115434446A (en) * | 2021-06-03 | 2022-12-06 | 魏勇 | External wall sandwich heat-insulation and anti-seismic integrated structure |
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|---|---|---|---|---|
| JP2007031959A (en) * | 2005-07-22 | 2007-02-08 | Sumitomo Fudosan Kk | Glass lattice aseismatic wall |
| CN104594392A (en) * | 2015-01-06 | 2015-05-06 | 北京工业大学 | Self-supply glass bead-graphite base sliding isolation system and method |
| CN204690804U (en) * | 2015-05-21 | 2015-10-07 | 河南城建学院 | A kind of seismic energy dissipation structure |
| CN105839813A (en) * | 2016-05-24 | 2016-08-10 | 北京工业大学 | Assembly type thermal insulation energy saving wall board with groovechannel steel connection piece, and manufacture method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007031959A (en) * | 2005-07-22 | 2007-02-08 | Sumitomo Fudosan Kk | Glass lattice aseismatic wall |
| CN104594392A (en) * | 2015-01-06 | 2015-05-06 | 北京工业大学 | Self-supply glass bead-graphite base sliding isolation system and method |
| CN204690804U (en) * | 2015-05-21 | 2015-10-07 | 河南城建学院 | A kind of seismic energy dissipation structure |
| CN105839813A (en) * | 2016-05-24 | 2016-08-10 | 北京工业大学 | Assembly type thermal insulation energy saving wall board with groovechannel steel connection piece, and manufacture method thereof |
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