CN112160449A - Assembly type composite wall structure and assembly method thereof - Google Patents
Assembly type composite wall structure and assembly method thereof Download PDFInfo
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- CN112160449A CN112160449A CN202011080772.2A CN202011080772A CN112160449A CN 112160449 A CN112160449 A CN 112160449A CN 202011080772 A CN202011080772 A CN 202011080772A CN 112160449 A CN112160449 A CN 112160449A
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Images
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
-
- 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
- E04B1/66—Sealings
-
- 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
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- 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
- E04G21/14—Conveying or assembling building elements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
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- Ceramic Engineering (AREA)
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- Mechanical Engineering (AREA)
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- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The invention relates to an assembly type composite wall structure and an assembly method thereof. The wall structure comprises a main beam, wherein heat insulation layers are arranged on two sides of the main beam, a steel plate is arranged on one side of the heat insulation layer on one side, and a calcium silicate plate is arranged on the other side of the steel plate; a waterproof layer is arranged on one side of the heat-insulating layer on the other side; be equipped with steel reinforcement framework in the girder, steel reinforcement framework pierces through the side lacing wire that links to each other with its both sides the heat preservation respectively with the steel sheet with the waterproof layer links to each other. The assembly method comprises the following steps: manufacturing a plurality of main beam steel reinforcement frameworks and side tie bars, then placing the main beam steel reinforcement frameworks and the side tie bars into a mould to pour concrete to form a main beam blank, cutting the main beam blank to form a main beam, and transporting the main beam blank to a site to wait for assembly; coating heat insulation layers on two sides of the main beam; assembling a steel plate outside the heat-insulating layer on one side, welding the steel plate with the side tie bars, and assembling a calcium silicate plate on the other side of the steel plate; and a waterproof layer is formed outside the heat preservation layer on the other side.
Description
Technical Field
The invention relates to the technical field of wall construction, in particular to an assembly type composite wall structure and an assembly method thereof.
Background
With the development of modern industrial technology, building houses can be manufactured in batches and sets like machine production. The prefabricated house components are transported to a construction site to be assembled. The prefabricated building mainly comprises a prefabricated concrete structure, a steel structure, a modern wood structure building and the like, and is a representative of a modern industrial production mode due to the adoption of standardized design, factory production, assembly construction, informatization management and intelligent application. The assembly type building really greatly reduces the difficulty and the strength of field operation, saves the construction time and improves the construction efficiency. But at the same time, the assembly type building is easy to have the problems of falling off due to the fact that the connection assembly part is not firmly fixed, easy deformation, crack generation, poor heat insulation and ventilation effect, poor earthquake resistance and the like. Therefore, there is a need to continue to optimize existing techniques for assembly building construction.
Disclosure of Invention
In view of the above, it is necessary to provide a fabricated composite wall structure and a method for fabricating the same. The technical scheme of the invention is as follows:
in a first aspect, the invention provides an assembled composite wall structure, which comprises a main beam, wherein heat-insulating layers are arranged on two sides of the main beam, a steel plate is arranged on one side of the heat-insulating layer on one side, and a calcium silicate plate is arranged on the other side of the steel plate; a waterproof layer is arranged on one side of the heat-insulating layer on the other side; be equipped with steel reinforcement framework in the girder, steel reinforcement framework pierces through the side lacing wire that links to each other with its both sides the heat preservation respectively with the steel sheet with the waterproof layer links to each other.
Preferably, the calcium silicate board is fixed to the steel plate by a tapping screw.
Preferably, the thickness of the steel plate is 12-20 mm.
Further, the heat-insulating layer is prepared from a master batch of mortar and a base material according to the mass ratio of (2-10): 100, wherein the base material comprises the following components in parts by weight: 15-35 parts of fly ash, 50-100 parts of mountain flour, 8-15 parts of talcum powder, 1-5 parts of calcium powder, 6-12 parts of red soil powder and 5-15 parts of fine sand.
Optionally, the base stock further comprises: 2-5 parts of expanded perlite and 3-6 parts of silanized polypropylene fiber.
Preferably, the waterproof layer consists of a steel wire mesh and waterproof mortar pressed and smeared on the steel wire mesh.
Further, the waterproof mortar comprises the following components in parts by weight: 300-400 parts of cement, 330-500 parts of sand, 50-100 parts of a permeable crystallization master batch, 0.3-1.0 part of hydroxyethyl methyl cellulose, 20-40 parts of rubber powder and 1-7 parts of a water reducing agent.
Furthermore, the steel reinforcement framework is composed of two vertical main steel reinforcements and inverted V-shaped steel reinforcements connected between the main steel reinforcements.
Optionally, an embedded part is arranged in the main beam, the embedded part comprises a steel bar sleeve welded with the two vertical main steel bars respectively, a balance bar is sleeved in the steel bar sleeve, two ends of the balance bar are connected with positioning blocks, and the positioning blocks are close to the upper side end face and the lower side end face of the main beam.
In a second aspect, the present invention provides an assembling method of the assembled composite wall structure, including the following steps:
firstly, manufacturing a plurality of main beam steel reinforcement frameworks and side tie bars, then placing the main beam steel reinforcement frameworks and the side tie bars into a mould to pour concrete to form a main beam blank, cutting the main beam blank to form a main beam, and transporting the main beam blank to a site to wait for assembly;
coating heat insulation layers on two sides of the main beam;
assembling a steel plate outside the heat-insulating layer on one side, welding the steel plate with the side lacing wires, and assembling a calcium silicate plate on the other side of the steel plate;
and step four, forming a waterproof layer outside the heat preservation layer on the other side to obtain the heat preservation layer.
Further, the preparation method of the heat-insulating layer comprises the following steps: preparing a base material from 15-35 parts of fly ash, 50-100 parts of mountain flour, 8-15 parts of talcum powder, 1-5 parts of calcium powder, 6-12 parts of red earth powder and 5-15 parts of fine sand, and preparing a base material from the master batch of the mortar and the base material according to the mass ratio of (2-10): 100 adding the master batch of the mortar king into the base material, and then adding water and stirring into a paste.
Further, a waterproof layer is formed outside the heat preservation layer on the other side, and the waterproof layer specifically comprises: fixing the steel wire mesh on the surface of the heat-insulating layer and binding the steel wire mesh with iron wires; the waterproof mortar is prepared by adding water into 300-400 parts of cement, 330-500 parts of sand, 50-100 parts of a permeable crystallization master batch, 0.3-1.0 part of hydroxyethyl methyl cellulose, 20-40 parts of rubber powder and 1-7 parts of a water reducing agent, uniformly mixing to obtain the waterproof mortar, and then coating the waterproof mortar on a steel wire mesh in a pressing and smearing manner.
Preferably, the pressing and wiping mode comprises the following steps: 3 pressing and smearing processes, wherein gaps between the steel wire mesh and the surface of the heat insulation layer are smeared and compacted in the first pressing and smearing process; the steel wire mesh is completely covered by the second pressing and smearing; and pressing and smearing to the designed thickness for the third time.
The invention has the technical effects that:
the wall structure and the assembling method thereof can ensure the bonding strength of the main beam, improve the capability of the whole wall structure for bearing the impact energy of earthquake and the like, and solve the problems of the existing assembled wall body that the assembly part is not firmly fixed and falls off, is easy to deform, generates cracks, has poor heat insulation and ventilation effect, has poor earthquake resistance and the like. In addition, the assembly method is simple in site construction and convenient to install, and a wall body structure with high overall structure stability can be obtained.
Drawings
Fig. 1 is a schematic structural view of an assembled composite wall structure according to the present invention.
Fig. 2 is a schematic structural view of a steel skeleton in a main beam of the invention.
Fig. 3 is a schematic structural view of the waterproof layer of the present invention.
Fig. 4 is a schematic structural diagram of an embedded part in a main beam of the invention.
Fig. 5 is a schematic view of a connection structure of one of the vertical main reinforcements and the embedded part according to the present invention.
In the drawings 1-5, 1-main beam, 2-insulating layer, 3-steel plate, 4-calcium silicate plate, 5-waterproof layer, 6-main beam internal reinforcement framework, 7-side tie bar, 8-steel wire mesh, 9-vertical main reinforcement, 10-inverted V-shaped reinforcement, 11-embedded part, 12-reinforcement sleeve, 13-balance bar and 14-positioning block.
Detailed Description
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms 'mounted', 'connected' and 'connected' are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The present invention will now be described in further detail with reference to the following figures and specific examples, which are intended to be illustrative, but not limiting, of the invention.
Example 1
As shown in fig. 1-3, this embodiment provides a structural schematic diagram of assembled composite wall structure, including girder 1, girder 1's both sides are equipped with heat preservation 2 to heat preservation 2 is 5 by the master batch of mortar and basic material according to the mass ratio: 100, wherein the base material comprises the following components in parts by weight: 20 parts of fly ash, 50 parts of stone powder, 15 parts of talcum powder, 3 parts of calcium powder, 10 parts of red soil powder and 5 parts of fine sand. The heat preservation of this embodiment both can increase the thermal insulation performance of whole wall body, can also increase the structural strength of heat preservation. The existing wall structure is only provided with one heat insulation layer, the heat insulation layer is made of heat insulation materials such as perlite heat insulation plates and polyurethane heat insulation plates, the heat insulation layer is light and convenient, and is environment-friendly, the heat insulation performance of the wall body can be well improved, and the wall structure is low in structural strength and durable. Therefore, in this embodiment, a new insulating layer material is adopted to simultaneously improve the heat insulation and the structural performance.
In the wall structure of this embodiment, one side of one of them one side heat preservation 2 is equipped with steel sheet 3, and the thickness of steel sheet 3 is better at 12 ~ 20mm, can increase the structural strength of whole wall body on the one hand, and on the other hand can guarantee that heat preservation 2 and girder 1 are difficult for taking place structural damage at the transmission seismic energy in-process. The other side of the steel plate 3 is provided with a calcium silicate plate 4, and the calcium silicate plate 4 is fixed on the steel plate 3 through a self-tapping screw. The calcium silicate board has the advantages of fire resistance, moisture resistance, sound insulation, durability and the like. In this embodiment, preferably adopt the heat preservation to use calcium silicate board to further strengthen the heat preservation function, if the wall structure of this embodiment is used in the cold region in the north or middle and west region, then it is especially important to adopt heat preservation calcium silicate board to further strengthen the heat preservation function of wall.
In the wall structure of this embodiment, a waterproof layer 5 is disposed on one side of the insulating layer 2 on the other side. The waterproof layer 5 consists of a steel wire mesh 8 and waterproof mortar pressed on the steel wire mesh 8. The waterproof mortar comprises the following components in parts by weight: 400 parts of cement, 450 parts of sand, 80 parts of a permeable crystallization master batch, 0.3 part of hydroxyethyl methyl cellulose, 30 parts of rubber powder and 3 parts of a water reducing agent. The waterproof layer has the advantages that cracks cannot be generated due to factors such as structural settlement, temperature/humidity change and vibration, and the like, and the compactness and the crack resistance are excellent.
In the wall structure of this embodiment, be equipped with framework of steel reinforcement 6 in the girder 1, framework of steel reinforcement 6 comprises two vertical main reinforcement 9 and the inverted "V" font reinforcing bar 10 of connection between main reinforcement 9, and the framework of steel reinforcement of this kind of structure on the one hand bonding strength is high, and on the other hand can disperse the impact force that causes like vibrations well. Side lacing wires 7 are welded on two sides of the steel bar framework 6, and the side lacing wires 7 on the two sides penetrate through the heat preservation layer 2 and are respectively welded with the steel plate 3 and a steel wire mesh 8 in the waterproof layer 5. The steel reinforcement framework 6, the tie bars 7 on the same side and the steel plates 3 and the steel wire meshes 8 are combined to form a stable wall framework system.
Example 2
As shown in fig. 1 to 5, the present embodiment provides an assembly type composite wall structure, which is different from embodiment 1 in that: still be equipped with built-in fitting 11 in girder 1, built-in fitting 11 is including respectively with two vertical main reinforcement 9 welded steel bar cover 12, has cup jointed balanced muscle 13 in the steel bar cover 12, balanced muscle 13's both ends fixed connection locating piece 14, in this embodiment, balanced muscle 13 and locating piece 14 are an overall structure, and the quantity of locating piece 14 is 8 to 8 locating pieces 14 are 4/4 respectively and are being close to the upper and lower both sides terminal surface of girder 1 fixed, and the fixed block is iron plate or steel plate. In other embodiments, the balancing rib and the positioning block can be connected by hinging, welding or the like. No matter the earthquake energy is transmitted from the left and right side parts of the main beam 1 or the upper and lower side parts of the main beam 1, the positioning blocks 14 can well ensure the stability of the main beam structure, and further the stability of the whole structure of the wall body is enhanced. The reinforcing steel bar sleeve 12 and the balance ribs 13 have transmission and consumption functions on energy capable of generating impact force, and impact force caused by seismic energy can be well weakened by combining the stabilizing effect of the reinforcing steel bar framework 6 in the main beam 1. In addition, the steel plate 3 arranged on the heat-insulating layer 2 on one side of the main beam 1 also has a good stabilizing effect, and can also consume vibration energy to a certain extent. The combination of the two can further enhance the earthquake resistance of the wall structure.
Example 3
The present embodiment provides an assembled composite wall structure, which is different from embodiment 2 in that: the heat-insulating layer is prepared from a master batch of mortar and a base material according to the mass ratio of 2: 100, wherein the base material comprises the following components in parts by weight: 35 parts of fly ash, 100 parts of stone powder, 8 parts of talcum powder, 1 part of calcium powder, 6 parts of laterite powder, 15 parts of fine sand, 5 parts of expanded perlite and 3 parts of silanized polypropylene fiber.
Example 4
The present embodiment provides an assembled composite wall structure, which is different from embodiment 2 in that: 1) the heat-insulating layer is prepared from a master batch of mortar and a base material according to the mass ratio of 1: 10, wherein the base material comprises the following components in parts by weight: 15 parts of fly ash, 75 parts of stone powder, 10 parts of talcum powder, 5 parts of calcium powder, 12 parts of red soil powder, 10 parts of fine sand, 2 parts of expanded perlite and 6 parts of silanized polypropylene fiber. 2) The waterproof mortar comprises the following components in parts by weight: 300 parts of cement, 330 parts of sand, 50 parts of a permeable crystallization master batch, 0.5 part of hydroxyethyl methyl cellulose, 20 parts of rubber powder and 7 parts of a water reducing agent.
Example 5
The present embodiment provides an assembled composite wall structure, which is different from embodiment 4 in that: the waterproof mortar comprises the following components in parts by weight: 350 parts of cement, 500 parts of sand, 100 parts of a permeable crystallization master batch, 1.0 part of hydroxyethyl methyl cellulose, 40 parts of rubber powder and 1 part of a water reducing agent.
Example 6
The invention provides an assembly method of an assembly type composite wall structure, which adopts the wall structure of embodiment 1 and comprises the following steps:
firstly, manufacturing all main beam steel reinforcement frameworks and side tension bars according to a construction design drawing, then placing the main beam steel reinforcement frameworks and the side tension bars into a mould to be poured with concrete to form a main beam blank, cutting the main beam blank to form a main beam, and transporting the main beam to a site to wait for assembly;
fixing the main beam, mixing the raw materials according to the components of the heat-insulating layer, adding water, stirring into a paste shape, and coating the heat-insulating layer on two sides of the main beam;
assembling a steel plate outside the heat-insulating layer on one side, welding the steel plate with the side pull ribs, and assembling a calcium silicate plate on the other side of the steel plate through self-tapping screws;
step four, forming a waterproof layer outside the heat preservation layer on the other side, and specifically comprising the following steps: fixing the steel wire mesh on the surface of the heat-insulating layer and binding the steel wire mesh with iron wires; preparing materials according to the components of the waterproof mortar, adding water, uniformly mixing to obtain the waterproof mortar, then pressing and plastering the waterproof mortar on a steel wire mesh in a pressing and plastering mode for 3 times, and plastering and compacting gaps between the steel wire mesh and the surface of the heat insulation layer in the first pressing and plastering; the steel wire mesh is completely covered by the second pressing and smearing; pressing and smearing to the designed thickness for the third time, and then maintaining to obtain the product.
Example 7
The invention provides an assembly method of an assembly type composite wall structure, which adopts the wall structure of embodiment 2 and comprises the following steps:
firstly, manufacturing all main beam steel reinforcement frameworks, side pull bars and embedded parts according to a construction design drawing, welding steel reinforcement sleeves with vertical main steel reinforcements after manufacturing, then placing the main beam blank into a mold for pouring concrete to form a main beam blank, cutting the main beam blank to form a main beam, and transporting the main beam blank to a site for assembly;
fixing the main beam, mixing the raw materials according to the components of the heat-insulating layer, adding water, stirring into a paste shape, and coating the heat-insulating layer on two sides of the main beam;
assembling a steel plate outside the heat-insulating layer on one side, welding the steel plate with the side pull ribs, and assembling a calcium silicate plate on the other side of the steel plate through self-tapping screws;
step four, forming a waterproof layer outside the heat preservation layer on the other side, and specifically comprising the following steps: fixing the steel wire mesh on the surface of the heat-insulating layer and binding the steel wire mesh with iron wires; preparing materials according to the components of the waterproof mortar, adding water, uniformly mixing to obtain the waterproof mortar, then pressing and plastering the waterproof mortar on a steel wire mesh in a pressing and plastering mode for 3 times, and plastering and compacting gaps between the steel wire mesh and the surface of the heat insulation layer in the first pressing and plastering; the steel wire mesh is completely covered by the second pressing and smearing; pressing and smearing to the designed thickness for the third time, and then maintaining to obtain the product.
Example 8
The wall structure strength of examples 6 and 7 was measured by in situ detection, as follows: firstly, cutting two horizontal slotted holes on a wall body, and placing an in-situ press, wherein the size of an upper horizontal slot is as follows: 24 × 25 × 7(cm), and the lower horizontal tank size is: 24X 25X 14(cm), with the upper and lower horizontal slot apertures aligned, the slots being spaced approximately 43cm apart. During testing, the load is added in stages, each stage of load is about 10% of the predicted failure load and is added to 80% of the predicted failure load, and the load is continuously added until the structure of the wall body between the grooves is broken (when the structure crack of the wall body between the grooves is rapidly expanded and the pointer of the pressure gauge is obviously retracted, the breaking load of the wall body between the grooves is obtained). And converting the damage load into the compressive strength and the standard compressive strength of the wall structure between the grooves, and comparing the compressive strength and the standard compressive strength with a design value. The specific calculation steps are as follows:
1) structural damage load N of wall body between groovesmij(kN): subtracting the initial reading of the pressure gauge according to the reading of the pressure gauge when the structure of the wall body between the grooves is damaged, and obtaining N from the difference of the pressure gauge 1mijThe value is obtained.
2) Compressive strength of wall structure between groovesuij(MPa)：uij＝Nmij/Aij，AijThe pressure area of the jth measuring point of the ith measuring area is shown. In this example, Aij＝24×24(cm)。
TABLE 1 pressure gauge reading and NmijComparison table
3) Converting the compressive strength of the wall structure between the grooves into standard compressive strength fmij(MPa)：fmij＝uij/ξijIn which ξijThe dimensionless intensity conversion coefficient of the in-situ axial compression method is calculated by the following formula: xiij＝1.36+0.54oijWhereinoijAnd calculating the working compressive stress of the wall body at the measuring point by adopting the standard value of the load actually born by the wall body).
The detection result is that the brick structure meets the design code (GBJ 3-88) of the masonry structure.
In conclusion, the wall structure and the assembling method thereof can ensure the bonding strength of the main beam, improve the capability of the whole wall structure for bearing the impact energy of earthquake and the like, and solve the problems of the existing assembled wall body that the assembly part is not firmly fixed and falls off, is easy to deform, generates cracks, has poor heat insulation and ventilation effect, has poor earthquake resistance and the like. In addition, the assembly method is simple in site construction and convenient to install, and a wall body structure with high overall structure stability can be obtained.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides an assembled floor reinforced structure which characterized in that: the heat-insulation main beam comprises a main beam, wherein heat-insulation layers are arranged on two sides of the main beam, a steel plate is arranged on one side of the heat-insulation layer on one side, and a calcium silicate plate is arranged on the other side of the steel plate; a waterproof layer is arranged on one side of the heat-insulating layer on the other side; be equipped with steel reinforcement framework in the girder, steel reinforcement framework pierces through the side lacing wire that links to each other with its both sides the heat preservation respectively with the steel sheet with the waterproof layer links to each other.
2. A fabricated composite wall structure according to claim 1, wherein: the calcium silicate plate is fixed on the steel plate through a self-tapping screw.
3. A fabricated composite wall structure according to claim 2, wherein: the thickness of the steel plate is 12-20 mm.
4. A fabricated composite wall structure according to claim 1, wherein: the heat-insulating layer is prepared from a master batch of mortar and a base material according to the mass ratio of (2-10): 100, wherein the base material comprises the following components in parts by weight: 15-35 parts of fly ash, 50-100 parts of mountain flour, 8-15 parts of talcum powder, 1-5 parts of calcium powder, 6-12 parts of red soil powder and 5-15 parts of fine sand.
5. The fabricated composite wall structure of claim 4, wherein: the base material further comprises: 2-5 parts of expanded perlite and 3-6 parts of silanized polypropylene fiber.
6. A fabricated composite wall structure according to claim 1, wherein: the waterproof layer consists of a steel wire mesh and waterproof mortar pressed and smeared on the steel wire mesh.
7. A fabricated composite wall structure according to claim 6, wherein: the waterproof mortar comprises the following components in parts by weight: 300-400 parts of cement, 330-500 parts of sand, 50-100 parts of a permeable crystallization master batch, 0.3-1.0 part of hydroxyethyl methyl cellulose, 20-40 parts of rubber powder and 1-7 parts of a water reducing agent.
8. An assembled composite wall structure according to any one of claims 1 to 7, wherein: the steel bar framework is composed of two vertical main steel bars and inverted V-shaped steel bars connected between the main steel bars.
9. A fabricated composite wall structure according to claim 8, wherein: the main beam is internally provided with an embedded part, the embedded part comprises two steel bar sleeves welded with the vertical main steel bars respectively, balance bars are sleeved in the steel bar sleeves, two ends of each balance bar are hinged with positioning blocks, and the positioning blocks are close to the upper side end face and the lower side end face of the main beam.
10. An assembly method of an assembled composite wall structure according to any one of claims 1 to 9, characterised in that: the method comprises the following steps:
firstly, manufacturing a plurality of main beam steel reinforcement frameworks and side tie bars, then placing the main beam steel reinforcement frameworks and the side tie bars into a mould to pour concrete to form a main beam blank, cutting the main beam blank to form a main beam, and transporting the main beam blank to a site to wait for assembly;
coating heat insulation layers on two sides of the main beam;
assembling a steel plate outside the heat-insulating layer on one side, welding the steel plate with the side lacing wires, and assembling a calcium silicate plate on the other side of the steel plate;
and step four, forming a waterproof layer outside the heat preservation layer on the other side to obtain the heat preservation layer.
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| CN102093020A (en) * | 2010-12-03 | 2011-06-15 | 吉林省志惠防腐保温工程有限公司 | Special light-weight fireproof waterproof thermal-insulation slurry for polyurethane (PU) |
| CN102924009A (en) * | 2012-10-09 | 2013-02-13 | 天津哈澳德建筑材料研究院有限公司 | Inorganic composite thermal mortar |
| WO2017035674A1 (en) * | 2015-08-31 | 2017-03-09 | Pontificia Universidad Católica De Chile | Structural wall made of reinforced concrete with thermal insulation and associated production method |
| CN209760492U (en) * | 2019-01-15 | 2019-12-10 | 洛阳城市建设勘察设计院有限公司 | Integration wall body heat preservation waterproof additional strengthening |
| CN110886407A (en) * | 2019-12-15 | 2020-03-17 | 张影 | Sound insulation and heat preservation structure for residential buildings with steel structures |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102093020A (en) * | 2010-12-03 | 2011-06-15 | 吉林省志惠防腐保温工程有限公司 | Special light-weight fireproof waterproof thermal-insulation slurry for polyurethane (PU) |
| CN102924009A (en) * | 2012-10-09 | 2013-02-13 | 天津哈澳德建筑材料研究院有限公司 | Inorganic composite thermal mortar |
| WO2017035674A1 (en) * | 2015-08-31 | 2017-03-09 | Pontificia Universidad Católica De Chile | Structural wall made of reinforced concrete with thermal insulation and associated production method |
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