CN114232806A

CN114232806A - Dry construction method building construction structure and construction method thereof

Info

Publication number: CN114232806A
Application number: CN202111226406.8A
Authority: CN
Inventors: 赵国庆; 赵光瑞; 李慧; 张帮耀
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-03-25

Abstract

The invention is suitable for the technical field of building engineering, and provides a building construction structure of a dry construction method and a construction method thereof, wherein the construction component part is commercialized and is convenient and quick to reversibly install, and the building construction structure comprises a plurality of wallboards with preset sizes, a floor slab, a foundation and a prestressed stair; the wall board is light, integrates structure, heat preservation, water prevention and decoration, is not easy to crack and deform, is connected with the tongue-and-groove, is provided with a water stop sealing groove, an olecranon line and a flashing slope, prevents water seepage at the joint of the wall board, is evacuated bidirectionally by the prestressed stair, saves materials, and is firm; the floor slab adopts a thin shell structure, so that the longitudinal displacement and the horizontal displacement of the floor slab are reduced; the foundation is provided with the anti-pulling ground anchor, so that the stability and the safety of the building are enhanced; the installation process is dry, the construction efficiency is high, and the field cutting operation and the construction waste are reduced; standardized production processing of each component, the installation deviation is little, does not produce destructive influence to adjacent part article part when part article part installation, dismantlement, change to adopt hidden connection, hide the installation node inside the decorative cover.

Description

Dry construction method building construction structure and construction method thereof

Technical Field

The invention belongs to the technical field of constructional engineering, and particularly relates to a building construction structure and a building construction method thereof.

Background

The house building technology can accelerate building industrialization, but the existing house building technology mostly adopts wet building, the traditional wet building mode consumes energy, consumes water and materials, the field wet operation is more, the labor efficiency is lower, a large amount of building garbage, noise and raised dust are generated on the field, the environment is polluted, the construction surrounding environment and the resident life are seriously influenced, a large amount of labor is needed, the labor intensity is high, the building efficiency is greatly reduced, the building period is long, the equipment investment is large, the building cost is increased, the construction period is shortened for improving the assembly efficiency, the cost is saved, the pollution caused by the traditional wet building to the environment is reduced, the existing assembly type structure is large in weight of whole house parts, more materials are consumed, the wall boards are easy to crack, sand is easy to rise and hollows, and the waterproof performance of the wall board joint is poor, so that the design of light weight, firmness and excellent waterproof performance is urgently needed, The house building structure and the building method thereof have low cost and high assembly efficiency, and achieve the purposes of saving energy and water in the building process, recycling materials, having excellent waterproof performance and less labor demand, shortening the building period, and reducing the noise, dust and building garbage pollution of the building site.

Disclosure of Invention

The invention provides a building construction structure and a building method thereof, aiming at solving the problems in the prior art, and realizing high construction efficiency, low construction cost and green construction.

The invention is realized in this way, a dry construction method building construction structure, including several prefabricated wallboards, floor, foundation, the said wallboard and the said foundation can be dismantled and connected, the said wallboard and the said foundation are connected vertically, the said floor can be dismantled and connected with the said wallboard;

the wall board is a bridge-cut composite board, the bridge-cut composite board is composed of an inner decoration layer, a heat preservation layer, a structural layer, a filling layer, a waterproof layer and an outer decoration layer from indoor to outdoor, the structural layer is arranged on one side in a room, lattice-type hidden columns are arranged in the structural layer, the hidden columns extend towards one side of the outer decoration layer by using rod structures with poor heat conductivity to form bridge-cut lattice connecting rods, the stability of an outer wall is enhanced, heat transfer of a heat bridge can be prevented, foaming concrete is filled in middle gaps to form the filling layer, the rod structures with poor heat conductivity are any one of wood rods, bamboo rods, plastic rods, nylon rods and carbon fiber rods, the wall board is provided with transverse lattice beams, one side in the room of the wall board is a fiber mesh anti-cracking gypsum surface layer, the waterproof layer is made of a steel wire mesh or alkali-resistant glass fiber and cement waterproof mortar, the inner decoration layer and the outer decoration layer are arranged by adopting paint, the wallboard left and right sides is equipped with the convex-concave tongue-and-groove seam, and the convex-concave tongue-and-groove seam is by establishing stagnant water seal groove in outdoor one side, the wallboard upper end is equipped with the apron slope of slope, the wallboard lower extreme is equipped with the olecranon line that covers the apron slope of lower floor's wallboard board, pre-buried connecting piece in the wallboard board seam, the connecting piece includes C type steel ring and the T word steel head of mutual adaptation, covers lower floor's wallboard apron slope through upper wallboard olecranon line after the installation, draws the rainwater outdoor, and stagnant water seal groove can prevent that house outside water from getting into or permeating the outer wall inside, effectively guarantees house leakproofness.

As a further scheme of the invention, the floor slab is a prestressed double-T-shaped floor slab, two hidden beams and three transverse ribs are arranged in the prestressed double-T-shaped floor slab, and the two hidden beams are symmetrical relative to the center line of the bottom surface, so that the material is saved, and the floor slab is firm and stable.

As a further scheme of the invention, the floor slab is a GRC thin shell closed-loop pressure floor slab or a circular closed-loop tension mesh floor slab, the GRC thin shell closed-loop pressure floor slab is composed of GRC thin shells and circular ring steel bars, the thickness of the thin shell of the GRC thin shell closed-loop pressure floor slab is 1/500, the upper part is filled with a light material and provided with a surface layer, the lower part is provided with a light ceiling, and the circular closed loop in the circular closed-loop tension mesh floor slab is formed by assembling and welding angle steels. GRC is a very thin structural material with very high strength, and the vertical surface of the GRC bears the pressure, so that the thin shell and the reinforcing steel bar form a closed loop to work together, and the GRC is an ideal combination of a large-span and light structure.

As a further scheme of the invention, the foundation is composed of a ground beam, a short column and a base, wherein a pull-out resistant ground anchor is arranged below the base, and the pull-out resistant ground anchor is any one of an expansion bolt, a check rod and a check ball. The main structure of the house can be particularly stable by adopting the anti-pulling ground anchor, and the safety coefficient is improved.

The invention is provided with the anti-pulling ground anchor, the house is made of light materials in large quantity, the anti-pulling ground anchor is additionally arranged when the dead weight can not meet the wind load resistance requirement only through calculation, when the foundation is made of hard materials, the foundation is anchored and stretched tightly by using the large-diameter expansion bolt, and when the foundation is soft and scattered, the foundation is anchored by using the check rod or the check ball.

The prefabricated prestressed evacuated stair comprises a stair inclined plate and a stair tread triangular area, wherein the stair inclined plate is a prestressed hollow plate, a hole structure is arranged on the side face of the solid part of the stair tread triangular area, or the stair tread triangular area is in a right-angle hollow shape formed by plates. The material is saved while the stable structure is ensured, and the weight and the usage amount of the steel bars are less than 50 percent of that of the solid concrete prefabricated staircase.

As a further scheme of the invention, the light stair is a GRC sheet stair, each section of stair is composed of 2 stair beams and a plurality of stair step triangular areas, and the stair beams and the stair step triangular areas are both GRC sheets, so that the light stair is light in weight and steel bars are saved.

According to a further scheme of the invention, the floor slab is connected with the lower-layer wall slab through bolts, the upper-layer wall slab is connected with the floor slab through bolts, sleeve nuts are pre-embedded at the top of the lower-layer wall slab, steel pipes are pre-embedded in the floor slab, screw holes are drilled at the bottoms of the steel pipes, internal threads are sleeved at the upper openings, an installation box with an installation opening formed inwards is pre-embedded at the bottom of the upper-layer wall slab, the floor slab is fixed at the top of the lower-layer wall slab through the internal bolts of the steel pipes, and the upper-layer wall slab and the floor slab are fixed through the internal bolts of the installation box at the bottom of the upper-layer wall slab.

As a further proposal of the invention, the waterproof layer is composed of a cement waterproof mortar surface layer with the thickness of 3mm of a 100 multiplied by 100 steel wire net touch.

As a further scheme of the invention, the thickness of the structural layer of the wallboard is 100mm, 2 lattice type hidden columns are arranged in the wallboard, and 4 transverse lattice beams are arranged on the wallboard. The stability of reinforcing wallboard structure, increase of service life.

The invention also provides a building method of the building construction structure of the dry construction method, which comprises the following steps:

s1: assembling and fixing the foundation at an installation position;

s2: plate joints are restrained and disassembled, arch deflection contrast is limited, the wall boards are installed on the foundation and are connected through convex-concave tongue-and-groove joints matched with the wall boards, the wall boards are connected through pre-embedded connecting pieces in the wall board joints during installation, the C-shaped steel ring and the T-shaped steel head are connected and fixed with the adjacent wall boards, the wall boards are installed later and staggered firstly and are close to the installed wall boards, and the wall boards are reset along the trend after being attached tightly, so that self-locking fixation is completed, and reversible installation is realized;

s3: when the lower wallboard, the floor and the upper wallboard are connected with each other, the floor is in bolted connection with the lower wallboard, the upper wallboard is in bolted connection with the floor, a sleeve nut is embedded in the top of the lower wallboard, a steel pipe is embedded in the floor, a screw hole is drilled in the bottom of the steel pipe, an internal thread is sleeved in the upper opening, an installation box with an installation opening formed inwards is embedded in the bottom of the upper wallboard, the floor fixes the floor at the top of the lower wallboard through the internal bolt of the steel pipe, the upper wallboard and the floor are fixed through the internal bolt of the installation box at the bottom of the upper wallboard, a horizontal wrapping slope of the lower wallboard is covered by an upper wallboard olecranon line in the installation process of the upper wallboard and the lower wallboard, and levelness, installation position and elevation are checked after the installation is in place;

s4: and arranging a roof plate according to the preset floor height.

The prefabricated structure is a full-prefabricated structure, all structural components are prefabricated in a factory, the construction efficiency is improved, the production difficulty is reduced, the production cost is reduced, the prefabricated structure is transported to a construction site for assembly and installation, a dry type connecting method is adopted, the construction speed is high, the mechanization degree is high, the standardized structure has the characteristics of serialization and universalization, a house structure which is high in universality and meets the diversity requirements can be combined according to a standardized design principle, and building products with diversity are formed.

During assembly, the assembly type building is composed of hundreds of parts, the parts are produced according to uniform size requirements, the parts are transported to a construction site for assembly and installation, and the parts can be assembled together in coordination with each other. The component can lead the paying-off and installation of the components and the equipment to be regulated, lead manufacturers of the components and the equipment and the like to be free from being restricted, realize the maximization of production benefit, promote the interchangeability of the components and the equipment, lead the interchange of the components and the equipment to be unrelated to materials, production modes and manufacturers, realize the reconstruction of the whole life cycle and realize the diversification of building types.

The invention realizes the reliable connection of the nodes, the assembled structures with different structural forms have different node connections, the sealing and heat preservation are carried out through the tongue-and-groove joint connection, the wall board has high durability, the wall board is completely separated from the floor slab, the internal structure pattern variability of the house is strong, the maintenance and the replacement are convenient, the decorative layer of the wall body is easy to repair and replace, the anti-pulling ground anchor is arranged on the foundation of the building body, the safety protection effect is enhanced, and the temperature and the humidity in the house can be maintained in a certain range in a certain space away from the ground.

The invention adopts the prestress to evacuate the stairs, the prestress can deal with the applied tension and apply a certain pressure to the stairs in advance so as to improve the service performance of the structure by the prestress, the pressure is applied to the structure in advance during construction, the prestress can completely or partially offset the tensile stress caused by load during the service of the structure, the structural damage is avoided, and the structure does not generate cracks or cracks later under the condition of normal use. The prestressed stair is light in weight, saves materials and is high in safety coefficient.

The prestressed double-T-shaped floor slab has good crack resistance and high rigidity. Prestress is applied to the component, under the action of using load, the time of crack occurrence of the component is delayed, even no crack occurs, the rigidity of the component is improved, the durability of the structure is improved, materials are saved, the dead weight is reduced, high-strength materials are adopted for the structure, the using amount of reinforcing steel bars and the section size of the component can be reduced, steel and concrete are saved, the dead weight of the structure is reduced, the structure has obvious advantages on large-span and heavy-load structures, the vertical shearing force and the main tensile stress of a concrete beam can be reduced, and the stability of a pressed component is improved. When the length ratio of the pressed component is larger, the pressed component is easily bent after being pressed by certain pressure, so that the pressed component is damaged due to loss of stability, the stress distribution of the prestressed double-T-shaped floor slab is more reasonable, the structure is more reasonable, and the service cycle is long.

The technical principle of the invention is as follows: the invention provides a building construction structure and a building method thereof by a dry construction method, wherein the building structure is assembled by a dry method by adopting assembly type structural components, the components are detachably connected, the maintenance of the components is convenient, a wallboard is provided with a broken bridge lattice connecting rod, the stability of an outer wall is enhanced, a heat bridge can be prevented from transferring heat, a middle gap is filled with foaming concrete, the wallboard is not easy to crack, the wallboard is connected by a convex-concave rabbet joint, and a water-stopping sealing groove is arranged and is provided with a waterproof layer, so that water outside a building is prevented from entering or permeating into the inner part of the outer wall; each connected node all conceals the setting, strengthens the house aesthetic feeling to set up the decorative layer, the anti-pull ground anchor simple structure, it is with low costs, ensured house structure's stability, improve house security. Main structure, the article of portion connect interface safe and reliable each other, guarantee structural durability and security, connect through dismantling between the article and realize reversible dismouting, reduce the regional restriction of building, are equipped with the ornamental material that is difficult for polluting on the wallboard, make things convenient for later maintenance, and inside is equipped with insulation material, has the thermal-insulated requirement of heat preservation, and light wallboard practices thrift construction material.

The invention has the technical effects that: the invention provides a building construction structure and a building method thereof by a dry construction method, which have the following advantages:

1. the design of the components is standardized, and the required building components, such as building foundations, wallboards, floor slabs, stairs and the like, are all prefabricated by a factory and transported to a construction site for quick installation, and the assembly rate is 100%; the wallboard is provided with a broken bridge lattice connecting rod, so that the stability of the outer wall is enhanced, the heat transfer of a heat bridge can be prevented, the middle gap is filled with foamed concrete, the wallboard is not easy to crack, the wallboard is connected through a convex-concave tongue-and-groove seam, and a water-stopping sealing groove is arranged to prevent water outside a house from entering or permeating into the outer wall; the modulus of the component is controlled within 400mm in length, 2000mm in width and 1000kg in weight, so that the component is convenient to transport; the installation is quick, the node is hidden, the disassembly is reversible, and the influence by seasons is small.

2. The building components are commercialized, all the required building functions are integrated on the corresponding building components, the structure, the heat preservation, the interior decoration, the exterior waterproof, the exterior decoration and the like are completed in a factory, and the building components can be used after being installed on site.

3. The component manufacturing is industrialized, the intensive production is realized, the working efficiency is high, and the material is saved.

4. The installation process is dry, a green construction mode is adopted, no wet operation is required on a construction site, the construction environment is improved, no site cutting operation is required, no construction waste is generated, and the environmental pollution is reduced.

5. Installation node is disguised, and all construct accessory connected node and all design inside fitment, decorative layer or between adjacent board seam, all realize hiding the decorations and beautify.

6. The invention has the obvious characteristics of realizing full assembly, particularly, realizing 100 percent full movement and reproduction in different places by emphatically considering no destructive influence on adjacent parts during disassembly and replacement.

Drawings

FIG. 1 is a schematic perspective view of a building according to an embodiment of the present invention;

FIG. 2 is a sectional view of a three-dimensional structure of a house according to an embodiment of the present invention;

FIG. 3 is a schematic plan view of a wall panel in an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a wall panel in an embodiment of the invention;

FIG. 5 is a plan view of the upper portion of a floor panel in an embodiment of the present invention;

FIG. 6 is a cross-sectional view of a pre-stressed double T-shaped floor in an embodiment of the invention;

FIG. 7 is a schematic view of a longitudinal hollow beam of a prestressed double-T-shaped floor slab in an embodiment of the invention;

fig. 8 is a schematic view of a longitudinal i-beam of a prestressed double-T floor slab in the embodiment of the invention.

FIG. 9 is a schematic view of a wall panel connection according to an embodiment of the present invention;

FIG. 10 is a schematic view of a floor panel connection according to an embodiment of the present invention;

FIG. 11 is a schematic view of a concealed connection structure of a connection node of a floor slab and a wall slab in the embodiment of the invention;

FIG. 12 is a side view of a 241-GRC thin shell closed loop pressure floor in an embodiment of the present invention;

FIG. 13 is a top plan view of a 241-GRC thin shell closed loop pressure floor slab in an embodiment of the invention;

FIG. 14 is a schematic view of a pre-stressed evacuated staircase according to an embodiment of the invention;

FIG. 15 is a schematic cross-sectional view of a pre-stressed evacuated staircase according to an embodiment of the invention;

FIG. 16 is a schematic view of an embodiment of the invention illustrating a pre-stressed evacuated stairway 420-stair tread triangle;

FIG. 17 is a schematic structural view of a GRC stair embodiment of the present invention;

fig. 18 is a schematic structural diagram of a hole structure of a GRC stair in an embodiment of the present invention.

In the figure: 1-wall board, 101-lower wall board, 102-upper wall board, 110-inner decorative layer, 120-heat insulation layer, 130-structural layer, 131-lattice hidden column, 132-rod structure, 140-filling layer, 150-waterproof layer, 160-outer decorative layer, 170-transverse lattice beam, 180-convex-concave rabbet seam, 181-sealing strip, 182-water-stop sealing groove, 183-water-covered slope, 184-eagle mouth line, 2-floor slab, 210-prestressed double-T floor slab, 211-hidden beam, 212-transverse rib, 220-GRC thin shell closed-loop pressure floor slab, 221-GRC thin shell, 222-circular steel bar, 230-sleeve nut, 240-steel pipe, 310-ground beam, 320-short column, 330-base, 410-sloping plate, 420-stair step triangle area, 421-hole structure, 430-ladder beam, 440-step vertical part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 17, the present invention provides a building construction structure using a dry construction method, including a plurality of prefabricated wall panels 1, floor panels 2, and a foundation, wherein the wall panels 1 are detachably connected to the foundation, the wall panels 1 are vertically connected to the foundation, the floor panels 2 are detachably connected to the wall panels 1, and a three-dimensional structure of the building is as shown in fig. 1 and 2, and the structural connection points are hidden, so that the overall structure is highly ornamental.

As shown in fig. 3 and 4, the wall panel 1 is a bridge-cut composite panel, the bridge-cut composite panel comprises an interior decoration layer 110, a heat insulation layer 120, a structure layer 130, a filling layer 140, a waterproof layer 150 and an exterior decoration layer 160 from indoor to outdoor, the structure layer 130 is arranged on one side of the indoor, the interior is provided with lattice-type hidden posts 131, the hidden posts 131 extend towards one side of the exterior decoration layer to form bridge-cut lattice connecting rods by using rod structures 132 with poor thermal conductivity, the middle gaps are filled by foaming concrete to form the filling layer 140, the rod structures with poor thermal conductivity are any one of wood rods, bamboo rods, plastic rods, nylon rods and carbon fiber rods, the wall panel 1 is provided with transverse lattice beams 170, the inner side of the wall panel 1 is a fiber-mesh crack-resistant gypsum surface layer, the gypsum surface layer has a thickness of 2mm, the outdoor side of the wall panel 1 is provided with the waterproof layer 150 made of steel wire mesh or alkali-resistant glass fiber cement waterproof mortar, the exterior decoration layer 160 is provided by using paint, the left and right sides of the wall panel 1 are provided with convex-concave grooves 180, the wall board connecting groove can be embedded with a rubber or felt sealing strip 181, a water-stopping sealing groove 182 is arranged at one side of the convex-concave groove 180 close to the outside of the house, an inclined flashing 183 is arranged at the upper end of the wall board 1, a eagle beak line 184 for covering the flashing 183 at the top of the lower layer wall board is arranged at the lower end of the wall board 1, the wall board can be set to be 3m high and 2m wide, a plurality of wall boards are assembled according to the size of the house, if a house with the length and the width of 8m is assembled, four sides of wall boards with preset sizes are assembled and constructed, a connecting piece is pre-embedded in the wall board groove and comprises a C-shaped steel ring and a T-shaped steel head which are mutually matched; after the water-proof device is installed, the upper wallboard olecranon line covers the lower wallboard waterscape slope, rainwater is led out of a room, the water-proof sealing groove can prevent water outside a house from entering or permeating into the outer wall, and the sealing strip on the rabbet seam is matched to effectively ensure the tightness of the house.

The floor slab 2 is a prestressed double-T-shaped floor slab 210, as shown in fig. 5 and 6, two hidden beams 211 and three cross ribs 212 are arranged in the prestressed double-T-shaped floor slab 210, and the two hidden beams 211 are symmetrical with respect to the center line of the bottom surface. The prestressed double-T-shaped floor slab hidden beam can be of a hollow beam structure, as shown in a schematic diagram of fig. 7, the floor slab is provided with transverse ribs, the transverse ribs are uniformly distributed in three rows on the plane, the hidden beam is perpendicular to the transverse ribs, the hidden beam is arranged in two rows, materials are saved, enough stability can be kept, the prestressed double-T-shaped floor slab hidden beam can also be an I-shaped beam, and as shown in fig. 8, the prestressed double-T-shaped floor slab hidden beam can also play the same role.

The connecting nodes between the wallboards are arranged at hidden positions, the mutual connecting positions of the wallboards are provided with semicircular water stopping grooves, and the tongue-and-groove is provided with a sealing strip 181. As shown in the middle drawing of fig. 9, a phi 10 semicircular water stopping groove is arranged at the joint of the left side plate and the right side plate of the wallboard and at the outdoor side of the joint rabbet part, a sealing strip 181 of a hexagonal rabbet is arranged at the joint of the left corner and the groove plate at the left side of fig. 9, a convex rabbet is matched and connected with the groove part at the joint of the right corner and the convex groove plate at the right side of fig. 9, the mounting node of the wallboard is arranged inside the decorative surface, and the mounting joint and the transition area are both subjected to shading and beautifying treatment.

As shown in fig. 10 and 11, wallboard top and floor are connected, the wallboard is protruding to closely meet in the floor recess, the floor middle part, for recessive wallboard connection, pre-buried steel sheet and setting up the mounting hole at the bottom of the lower part board of upper strata wallboard, floor board installation immersed tube, the perforation of pipe bottom, through bolt connection floor board and lower floor body wallboard in the immersed tube, the pre-buried sleeve nut of lower floor wall top, through the box nut, the steel pipe is established ties, the reducing bolt knot, make the structure firm, upper and lower layer wallboard installation technology horizontal joint covers lower floor wallboard 101 apron flashing 183 through upper strata wallboard olecranon line 184, effectively prevent the infiltration phenomenon.

The invention relates to a building component, which realizes factory prefabrication production of building components and components such as columns, beams, walls, plates, roofs, even integral toilets, integral kitchens and the like by using a modern industrial production technology, and achieves the building engineering finished by transporting the components to a building construction site for assembly and installation. In the connecting process, the tongue-and-groove joint is provided with the sealing strip, so that the house structure is tight, and the waterproof and heat-insulating effects are good.

As a further scheme of the invention, the floor slab 2 is a GRC thin shell closed-loop pressure floor slab 220 or a circular closed-loop tension mesh floor slab, the GRC thin shell closed-loop pressure floor slab 220 is composed of GRC thin shells 221 and circular ring steel bars 222, the thickness of the thin shell of the GRC thin shell closed-loop pressure floor slab 220 is a span 1/500, the upper part is filled with a light material to form a surface layer, the lower part is provided with a light ceiling, and the circular closed loop in the circular closed-loop tension mesh floor slab is formed by assembling and welding angle steels.

Fig. 12 and 13 are side and top views of the thin shell structure. In the GRC thin shell closed-loop pressure floor slab, GRC is a fiber concrete composite material which takes alkali-resistant glass fiber as a reinforcing material and cement mortar as a matrix material. The upper part is filled with a light material and provided with a surface layer, the lower part is provided with a light suspended ceiling, a circular closed loop in a circular closed loop tension net floor slab is formed by assembling and welding angle steel, holes are drilled in the circular closed loop according to phi 2@200 grids, the grids @200 are formed inside steel rings, screw ends are stretched tightly gradually to form a steel wire mesh tension structure, the upper part is filled with the light material and provided with the surface layer, the lower part is provided with the light suspended ceiling, and the light suspended ceiling is made of one of gypsum boards, wood veneer boards, calcium silicate boards and plastic boards. The light material is foamed cement, has heat insulating performance and can maintain indoor temperature stability. The heat-insulating layer is arranged on the inner side of the wall body, so that the main structure of the house is effectively protected while heat is preserved.

As a further scheme of the present invention, the main building foundation is composed of a ground beam 310, a short column 320 and a base 330, wherein a pull-out resistant ground anchor is arranged under the base 330, and the pull-out resistant ground anchor is any one of an expansion bolt, a check rod and a check ball. The main structure of the house can be particularly stable by adopting the anti-pulling ground anchor, and the safety coefficient is improved.

As a further scheme of the invention, the prefabricated prestressed evacuated stairway further comprises a light stairway, wherein the light stairway is a prefabricated prestressed evacuated stairway, the prefabricated prestressed evacuated stairway comprises a stairway sloping plate 410 and a stairway step triangular area 420, the stairway sloping plate is a prestressed hollow plate, and a hole structure 421 is arranged on the side surface of the solid part of the stairway step triangular area, as shown in fig. 14 and 15, or the stairway step triangular area is in a right-angle hollow shape formed by plates. As shown in fig. 16, material is saved while structural stability is ensured.

As a further scheme of the invention, the light stair is a GRC sheet stair, each section of stair is composed of 2 stair beams and a plurality of stair step triangular areas, as shown in FIG. 17, the stair beams 430 and the stair step triangular areas 420 are GRC sheets, the thickness of the GRC sheets of the stair beams is 30mm, the thickness of the GRC sheets of the stair step triangular areas is 15mm, the weight is light, reinforcing steel bars are saved, and the extending screw heads of the phi 4 reinforcing steel bars at the lower parts of the stair steps penetrate through reserved holes of the stair beams and are fixed by nuts. The stair step triangular area is composed of a step horizontal part and a step vertical part, and the step vertical part of the upper stage and the step horizontal part of the lower stage are fixed through screws. The stair inclination is 45 degrees, and the ladder beam is factory-shaped section, and ladder beam length is decided along with platform height, and the stair triangular space of marking time is factory-shaped.

As a further scheme of the invention, as shown in figure 18, the light stair is a GRC thin plate stair, and the stair beam 430 and the step vertical part 440 of the step triangular area of the stair are provided with hole structures, so that the structure is light, and the material is saved.

As a further scheme of the present invention, as shown in fig. 11, a floor slab 2 is bolted to a lower wall slab 101, an upper wall slab 102 is bolted to the floor slab 2, a sleeve nut 230 is pre-embedded at the top of the lower wall slab 101, a steel pipe 240 is pre-embedded in the floor slab 2, a threaded hole is drilled at the bottom of the steel pipe 240, an internal thread is sleeved at the upper opening, an installation box with an installation opening opened inward is pre-embedded at the bottom of the upper wall slab 102, the floor slab 1 fixes the floor slab 2 at the top of the lower wall slab 101 through the internal bolt of the steel pipe 240, and the upper wall slab 102 and the floor slab 1 are fixed through the internal bolt of the installation box at the bottom of the upper wall slab 102.

In a further aspect of the present invention, the waterproof layer 150 is formed of a cement waterproof mortar surface layer with a thickness of 3mm with a 100 × 100 steel wire mesh touch.

As a further proposal of the invention, the thickness of the structural layer of the wall panel 1 is 100mm, 2 lattice type hidden columns 131 are arranged in the wall panel 1, and 4 transverse lattice beams 170 are arranged on the wall panel 1. Form a stable stressed framework, enhance the structural stability and prolong the service life. The stressed floor slab and the stressed wall slab adopt a transverse cantilever structure, the span of the transverse small beam is reduced 1/2, the steel bars are saved, the stress is reasonable, and the weight is reduced.

s1: assembling and fixing the foundation 3 at the installation position;

s2: plate joints restrict and disassemble nodes, limit arch contrast, install the wall panel 1 on the foundation, connect through the convex-concave tongue-and-groove joint 180 that the wall panel 1 is adaptive, connect through the pre-buried connecting piece in the seam of the wall panel 1 while installing, C-type steel ring and T-shaped steel head connect fix the adjacent said wall panel, after install the wall panel misplaces first, close to already installing the wall panel, return to the place along the way after attaching tightly, namely finish the self-locking to fix, and reversible installation;

s3: when the lower wallboard 101, the floor 2 and the upper wallboard 102 are connected with a node, the floor 2 is in bolted connection with the lower wallboard 101, the upper wallboard 102 is in bolted connection with the floor 2, a sleeve nut 230 is pre-embedded at the top of the lower wallboard 101, a steel pipe 240 is pre-embedded in the floor 2, a screw hole is drilled at the bottom of the steel pipe 240, an internal thread is sleeved at the upper opening, an installation box with an installation opening opened inwards is pre-embedded at the bottom of the upper wallboard 102, the floor 2 is fixed at the top of the lower wallboard 101 through the internal bolt of the steel pipe 240, the upper wallboard 102 and the floor 2 are fixed through the internal bolt of the installation box at the bottom of the upper wallboard 102, a transverse seam of an installation process of the upper wallboard and the lower wallboard covers a flashing slope 183 of the lower wallboard 101 through an eagle mouth line 184 of the upper wallboard, and levelness, installation position and elevation are checked after the installation is in place;

s4: and arranging a roof plate according to the preset floor height.

In the installation process, the connection nodes of the lower wallboard, the floor slab and the upper wallboard are hidden, sleeve nuts are embedded in the top of the lower wallboard, steel pipes are embedded in two ends of the floor slab, internal threads are sleeved at the upper opening of a screw hole drilled in the bottom of the steel pipes, and a steel plate installation box with an installation opening formed inwards is embedded in the bottom of the upper wallboard. The floor slab is fixed on the top of the lower wallboard by bolts through steel pipes. The upper wallboard is fixed on the floor by bolts through the bottom mounting box. The whole installation process is rapid and efficient, and reverse installation can be realized. And (4) restraining and disassembling nodes by plate seams to limit arch-deflection contrast. The C-shaped steel ring is pre-embedded in the wall panel joint span firstly, and the T-shaped steel head is pre-embedded at the corresponding position after the wall panel is installed. During installation, the rear wall plate is staggered and is close to the installed wall plate, and the rear wall plate is reset along the situation after being tightly attached, so that self-locking fixation and reversible installation are completed. The installation process is dry, no wet operation is needed in a construction site, no cutting processing link is needed, no construction waste is generated, and an environment-friendly and green construction mode is realized. Invisible connection, the installation nodes are hidden inside the decorative surface layer, and seams and transition areas in the installation process are all subjected to decoration and beautification treatment. And reversible installation is realized, when the component parts are installed, disassembled and replaced, destructive influence is not generated on adjacent component parts, when disassembly is needed, the whole building can be disassembled in a reversible installation sequence and transported to a new position, and 100% original copy is copied.

The invention has the advantages that the components of the building are convenient to produce and mount reversibly, each component is simple, the standardized production and processing are convenient, and the manufacturing and mounting deviation is small; the plate member is integrated, the structure, the heat preservation, the inner decoration layer and the outer waterproof layer are integrated; the installation process is dry, a green construction mode is adopted, the field cutting operation and the construction waste are reduced, and the pollution in the construction process is small; reversible installation, when the component parts are installed, disassembled and replaced, the adjacent component parts are not destructively affected; the prefabricated prestressed stairway is firm and firm, and saves materials; the prestressed double-T structure composite floor slab has the advantages of uniform stress, good connection effect and high installation speed; the water stopping groove is arranged at the tongue-and-groove joint of the wallboard, so that the waterproof function is realized; the anti-pulling ground anchor is arranged, so that the stability and safety of the building are enhanced; adopt the recessive connection, the installation node is hidden inside the decorative cover, and seam, transition region all hide the decorations and beautify between the mounting process and handle, and the sight is strong. In addition, the dry construction method of the invention has the advantages of building design, light weight, high strength, heat preservation, fire prevention, economy, component production and full assembly principle. On the premise of meeting the structural requirements, the weight of the component is reduced to the maximum extent, the labor intensity is reduced, and the transportation cost is saved; a steel bar prestress technology is introduced, so that the utilization efficiency of steel is improved; the thickness of the heat preservation layer is controlled according to the national standard of saving energy by 75 percent, so that the heat preservation, heat insulation and sound insulation requirements of buildings are met; selecting A-grade non-combustible filling materials, and controlling the fire-proof standard from the source; the used materials are modified, the materials with high cost performance are preferentially used, and the construction cost is controlled to the maximum extent; all the components are subjected to component design, and the components can be used after being installed on site; all building components are prefabricated by factories, and 100% assembly rate is realized.

1. the component design is standardized. Required building components, such as building foundations, wallboards, floor slabs, stairs and the like, are prefabricated by a factory, transported to a construction site, and rapidly installed, and the assembly rate is 100%; the wallboard is provided with a broken bridge lattice connecting rod, so that the stability of the outer wall is enhanced, the heat transfer of a heat bridge can be prevented, the middle gap is filled with foamed concrete, the wallboard is not easy to crack, the wallboard is connected through a convex-concave tongue-and-groove seam, and a water-stopping sealing groove is arranged to prevent water outside a house from entering or permeating into the outer wall; the modulus of the component is controlled within 400mm in length, 2000mm in width and 1000kg in weight, so that the component is convenient to transport; the installation is quick, the node is hidden, the disassembly is reversible, and the influence by seasons is small.

2. The building components are commercialized. The required building functions are all integrated on corresponding building components, including structure, heat preservation, internal decoration, external waterproof, external decoration and the like are all completed in a factory, and the building can be used after field installation is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dry construction method building construction structure is characterized in that: the wall plate structure comprises a plurality of prefabricated wall plates (1), floor plates (2) and a foundation, wherein the wall plates (1) are detachably connected with the foundation, the wall plates (1) are vertically connected with the foundation, and the floor plates (2) are detachably connected with the wall plates (1);

the wall panel (1) is a bridge-cut composite board, the bridge-cut composite board is respectively an inner decoration layer (110), a heat preservation layer (120), a structural layer (130), a filling layer (140), a waterproof layer (150) and an outer decoration layer (160) from indoor to outdoor, the structural layer (130) is arranged on one side in a room, a lattice-type hidden column (131) is arranged in the structural layer, the hidden column (131) extends to one side of the outer decoration layer by using a rod structure (132) with poor thermal conductivity to form a bridge-cut lattice connecting rod, a middle gap is filled with concrete to form the filling layer (140), the rod structure with poor thermal conductivity is any one of a wood rod, a bamboo rod, a plastic rod, a nylon rod and a carbon fiber rod, the wall panel (1) is provided with a transverse lattice beam (170), one side in the room of the wall panel (1) is a fiber grid anti-crack gypsum surface layer, one side outside the wall panel (1) is made of a steel wire mesh or alkali-resistant glass fiber and cement waterproof mortar, the waterproof layer (150), the outer decorative layer (160) is arranged by adopting paint, convex-concave rabbet joints (180) are arranged on the left side and the right side of the wall board (1), a water stopping sealing groove (182) is arranged on one side, close to the outside, of the convex-concave rabbet joints (180), an inclined water-covering slope (183) is arranged at the upper end of the wall board (1), an olecranon line (184) for covering the water-covering slope (183) at the top of the lower wall board is arranged at the lower end of the wall board (1), connecting pieces are embedded in the wallboard rabbet joints, and the connecting pieces comprise C-shaped steel rings and T-shaped steel heads which are mutually matched.

2. A dry construction method building construction structure according to claim 1, wherein: the floor (2) is a prestressed double-T-shaped floor (210), two concealed beams (211) and three transverse ribs (212) are arranged in the prestressed double-T-shaped floor (210), and the two concealed beams (211) are symmetrical relative to the center line of the bottom surface.

3. A dry construction method building construction structure according to claim 1, wherein: the floor slab (2) is a GRC thin shell closed-loop pressure floor slab (220) or a circular closed-loop tension mesh floor slab, the GRC thin shell closed-loop pressure floor slab (220) is composed of GRC thin shells (221) and circular ring steel bars (222), the thickness of the thin shells of the GRC thin shell closed-loop pressure floor slab (220) is a span 1/500, the upper portion of the GRC thin shell closed-loop pressure floor slab is filled with a light material to form a surface layer, the lower portion of the GRC thin shell closed-loop pressure floor slab is provided with a light ceiling, and a circular closed loop in the circular closed-loop tension mesh floor slab is formed by angle steel through assembly welding.

4. A dry construction method building construction structure according to claim 1, wherein: the foundation comprises a ground beam (310), a short column (320) and a base (330), wherein an anti-pulling ground anchor is arranged below the base (330), and the anti-pulling ground anchor is any one of an expansion bolt, a check rod and a check ball.

5. A dry construction method building construction structure according to claim 1, wherein: still include light-duty stair, light-duty stair are managed to find time the stair for prefabricated prestressing force, prefabricated prestressing force is managed to find time the stair and is included stair swash plate (410) and stair triangular space (420) of marking time, the stair swash plate is the hollow board of prestressing force, stair triangular space entity part side of marking time sets up pore structure (421), perhaps stair triangular space of marking time is the hollow form of right angle that constitutes by the board.

6. A dry construction method building construction structure according to claim 5, wherein: the light stair is GRC sheet metal stair, and every section of stair comprises 2 terraced roof beams and a plurality of stair trigones of marking time, the terraced roof beam with the stair trigones of marking time are the GRC sheet metal.

7. A dry construction method building construction structure according to claim 1, wherein: floor (2) and lower floor's wallboard (101) bolted connection, upper wallboard (102) with floor (2) bolted connection, pre-buried box nut (230) in lower floor's wallboard (101) top, pre-buried steel pipe (240) of floor (2), the screw hole is bored to steel pipe (240) bottom, and upper aperture department overlaps the internal thread, the mounting box of installing the mouth is opened to the inboard to pre-buried in upper wallboard (102) bottom, floor (1) passes through the bolt will in steel pipe (240) floor (2) are fixed lower floor's wallboard (101) top, upper wallboard (102) with floor (1) passes through the bolt is fixed in upper wallboard (102) bottom mounting box.

8. A dry construction method building construction structure according to claim 1, wherein: the waterproof layer (150) is formed by a cement waterproof mortar surface layer with the thickness of 3mm, and a 100 x 100 steel wire mesh is used for touching the cement waterproof mortar surface layer.

9. A dry construction method building construction structure according to claim 1, wherein: the thickness of the structural layer of the wallboard (1) is 100mm, 2 lattice type hidden columns (131) are arranged in the wallboard, and 4 transverse lattice beams (170) are arranged on the wallboard (1).

10. A method of constructing a building construction structure using a dry construction method as claimed in claim 1, wherein: the method comprises the following steps:

s1: assembling and fixing the foundation at an installation position;

s2: plate joints are restrained and disassembled, arch deflection contrast is limited, the wall plates (1) are installed on the foundation and are connected through convex-concave tongue-and-groove joints (180) matched with the wall plates (1), the wall plates are connected through pre-embedded connecting pieces in the joints of the wall plates (1) during installation, C-shaped steel rings and T-shaped steel heads are connected and fixed to the adjacent wall plates, the wall plates are installed later and are staggered firstly, and are close to the installed wall plates, and the wall plates are reset along the situation after being attached tightly, so that self-locking fixation is completed, and reversible installation is realized;

s3: when the lower wallboard (101), the floor (2) and the upper wallboard (102) are connected with each other, the floor (2) is connected with the lower wallboard (101) through bolts, the upper wallboard (102) is connected with the floor (2) through bolts, the sleeve nut (230) is embedded at the top of the lower wallboard (101), the steel pipe (240) is embedded in the floor (2), a threaded hole is drilled at the bottom of the steel pipe (240), an internal thread is sleeved at the upper opening, a mounting box with a mounting opening formed inwards is embedded at the bottom of the upper wallboard (102), the floor (2) is fixed at the top of the lower wallboard (101) through the internal bolt of the steel pipe (240), the upper wallboard (102) and the floor (2) are fixed through the internal bolt of the mounting box at the bottom of the upper wallboard (102), and transverse joints of the mounting process of the upper and lower wallboards cover a water-covered slope (183) of the lower wallboard (101) through an eagle line (184) of the upper wallboard, after the installation is in place, the levelness, the installation position and the elevation are checked;

s4: and arranging a roof plate according to the preset floor height.