CN217000463U - Steel construction assembled die casting wall body - Google Patents
Steel construction assembled die casting wall body Download PDFInfo
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- CN217000463U CN217000463U CN202121375356.5U CN202121375356U CN217000463U CN 217000463 U CN217000463 U CN 217000463U CN 202121375356 U CN202121375356 U CN 202121375356U CN 217000463 U CN217000463 U CN 217000463U
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Abstract
The utility model relates to the technical field of building materials, in particular to a steel structure assembled die casting outer wall body, which is characterized in that a cavity structure, heat preservation and water prevention are completed in one production process, a unique production process is adopted, so that the wall body has enough excellent performances of wind pressure resistance, impact resistance and the like, an inner layer part of a concrete wall body of the outer wall body is embedded with a vertically-arranged inner-leaf steel mesh, the middle layer part of the concrete wall body is embedded with a middle leaf steel mesh in the vertical direction, the outer layer part of the concrete wall body is embedded with an outer leaf steel mesh in the vertical direction, the part of the concrete wall body between the inner leaf steel mesh and the middle leaf steel mesh is embedded with heat preservation rock wool, the concrete wall body is characterized in that a plurality of first connecting ribs are arranged on the part, located between the middle leaf steel mesh and the outer leaf steel mesh, of the concrete wall body, a plurality of cavities are formed among the first connecting ribs, and cavity rock wool is filled in the cavities.
Description
Technical Field
The utility model relates to the technical field of building materials, in particular to a steel structure assembled die casting outer wall body.
Background
In recent years, with rapid development of economy, increase of labor cost, improvement of processing precision and quality of prefabricated parts, improvement of construction technology and management level of prefabricated buildings and promotion of national policy factors, domestic prefabricated buildings are continuously heated and rapidly develop. The requirements in the opinion on the promotion of the sustainable and healthy development of the construction industry issued by the homework are as follows: by 2025, the proportion of the assembled buildings in the country is up to 30% of the proportion of the newly built buildings.
In thirteen five days, the application of green building materials in fabricated buildings is actively promoted by the nation. Compiling a green building material product catalog of the assembly type building. By popularizing the green multifunctional composite material, the application proportion of the green building material in the fabricated building reaches more than 50 percent by 2020.
The Qinhuang island city firstly proposes a steel structure assembly type building as a main direction of assembly type development, actively promotes a novel assembly type wall body and materials to enter the market (notice of popularization and application of building heat preservation and structure integration technology of housing in the Qinhuang island city and urban and rural construction bureaus), and only a public construction part has about 30 ten thousand square meters of steel structure assembly type buildings every year, so that the integrated die-cast external wall body has great rigidity market demand, and the current market really meets the national requirements and has almost no external wall materials.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a steel structure assembled die casting external wall body, a pouring method thereof and fine stone concrete, wherein a cavity structure, heat preservation and water prevention are completed in one production process, the unique production process ensures that the wall body has enough excellent performances of wind pressure resistance, impact resistance and the like, and the special cement mortar proportioning technology simplifies the production process, saves the equipment investment and the production process of steam curing and heating curing, and meets the requirements of various technical indexes of the external wall body.
In order to realize the purpose, the utility model is realized according to the following technical scheme:
in a first aspect, the utility model provides a steel structure assembly type die casting external wall body which comprises a concrete wall body, an inner leaf steel mesh, a middle leaf steel mesh, an outer leaf steel mesh, cavity rock wool and heat preservation rock wool, wherein the inner leaf steel mesh in the vertical direction is embedded and installed in the inner layer part of the concrete wall body, the middle leaf steel mesh in the vertical direction is embedded and installed in the middle layer part of the concrete wall body, the outer leaf steel mesh in the vertical direction is embedded and installed in the outer layer part of the concrete wall body, the heat preservation rock wool is embedded and installed in the part, located between the inner leaf steel mesh and the middle leaf steel mesh, of the concrete wall body, a plurality of first connecting ribs are arranged in the part, located between the middle leaf steel mesh and the outer leaf steel mesh, a plurality of cavities are formed among the first connecting ribs, and the cavity rock wool is filled in the cavities.
In the technical scheme, a bridge cut-off rod is connected between the inner leaf steel mesh and the middle leaf steel mesh.
In the technical scheme, the bridge-cut-off rods are connected in the inclined direction or the horizontal direction.
In the technical scheme, a plurality of second connecting ribs are arranged on the part, located between the inner leaf steel mesh and the middle leaf steel mesh, of the concrete wall body, the heat-preservation rock wool is filled in cavities among the second connecting ribs, and the first connecting ribs and the second connecting ribs are staggered with each other.
In the above technical solution, the cavities between the plurality of first connecting ribs and the cavities between the plurality of second connecting ribs are both square holes, and the horizontal distance between the first connecting ribs and the second connecting ribs is not less than 300 mm.
In the technical scheme, a vertical hoisting screw pipe is installed at the top of the outer wall, a lateral screw pipe is installed on the side surface of the inner wall, a positioning groove for positioning with a floor slab is formed in the bottom of the lateral screw pipe, and a single-side positioning groove is formed in the bottom of the side surface of the inner wall; the top of the side surface of the outer wall is provided with a concave part, the bottom of the side surface of the outer wall is provided with a convex part, and the convex part is arranged on the outer side of the floor and matched with the concave part of the lower outer wall.
In the technical scheme, the vertical side of the outer wall body comprises a first vertical surface, a first vertical groove, a second vertical surface, a second vertical groove, a third vertical surface, a third vertical groove and a fourth vertical surface which are sequentially connected from inside to outside, the vertical side of the outer wall body is symmetrical to each other, the first vertical surface is flush with the fourth vertical surface in the lateral direction, and the second vertical surface and the third vertical surface are flush in the lateral direction and protrude out of the first vertical surface and the fourth vertical surface.
In the technical scheme, anti-crack mortar is filled between the two first vertical surfaces of the adjacent outer walls; two fill foaming PU between the first vertical recess, two fill anti-crack mortar between the vertical recess of second, two fill water swelling sealing rod, two between the vertical recess of third fill weatherproof sealed glue between the fourth vertical face.
The utility model provides a pouring method of a steel structure assembly type die casting external wall body, which is realized according to any one of the steel structure assembly type die casting external wall bodies, firstly, the edge strips of a mould are assembled on a platform, the upper edge strips are used for fixing hoisting screwed pipes, and the upper edge strips form a structure with a concave part; structures of a first vertical surface, a first vertical groove, a second vertical surface, a second vertical groove, a third vertical surface, a third vertical groove and a fourth vertical surface are formed on the left edge strip and the right edge strip; the lower edge strip is used for fixing the positioning groove, and the lower edge strip forms a structure with a single-side positioning groove and a protruding part; pouring fine stone concrete, placing an inner leaf steel mesh, pouring the fine stone concrete again, placing cavity rock wool according to the position of a cavity of the mold, and pouring the fine stone concrete, wherein the pouring height is about 1/3 of the height of the cavity rock wool, the fluidity of the fine stone concrete to be poured is smaller, and the pouring height is higher than that of the cavity rock wool; placing the composite assembled on another platform: the heat preservation rock wool is arranged between the inner leaf steel mesh and the middle leaf steel mesh, a bridge-cut-off rod is connected between the inner leaf steel mesh and the middle leaf steel mesh, and meanwhile, the heat preservation rock wool is provided with a plurality of round holes for placing lateral spiral pipes; grouting fine stone concrete in the heat-preservation rock wool round holes by pressure, and completely blocking all the round holes by using the heat-preservation rock wool with the same thickness and size larger than the diameter of the heat-preservation rock wool round holes by 2mm when part of the heat-preservation rock wool round holes which are not grouted are discharged with slurry; pouring fine stone concrete again, vibrating and leveling, maintaining for 10-12 h at normal temperature, removing the mold and transferring to a secondary maintenance area, finishing maintenance, and leaving the factory after the detection is qualified.
In a third aspect, the utility model provides fine aggregate concrete for a pouring method of a steel structure assembled die casting external wall body, which comprises the following components in parts by weight: 40-50 parts of anti-cracking double-rapid cement, 400 parts of cement 350-containing slag powder, 200 parts of S95-grade slag powder, 1200 parts of medium sand 800-containing slag, 450 parts of broken stone 400-containing slag, 230 parts of water 200-containing slag powder, 0.2-0.5 part of a water reducing agent, 0.01-0.05 part of lithium carbonate, 0.1-0.5 part of aluminum sulfate, 0.05-0.2 part of a defoaming agent, 0.5-1.5 parts of rubber powder and 0.1-0.3 part of citric acid.
Compared with the prior art, the utility model has the following beneficial effects:
the die-cast external wall body is prefabricated and formed in an integrated factory, the main body is a concrete wall body, the inner leaf steel mesh, the middle leaf steel mesh and the outer leaf steel mesh are respectively embedded in the inner layer, the middle layer and the outer layer, a cavity structure is formed between the middle leaf steel mesh and the outer leaf steel mesh, the cavity frame has obvious mechanical advantages in the aspects of bending resistance, wind pressure resistance, impact resistance and the like, cavity rock wool is filled in the cavity, compared with a solid concrete structure, the cavity structure has lighter dead weight, the weight of the cavity structure is obviously lighter than that of the solid concrete on the one hand while the requirement of the stability of the whole structure is met, the installation of the wall body is facilitated, the working efficiency is improved, and the labor consumption is reduced; on the other hand, the cavity structure uses less materials, is more energy-saving and environment-friendly, saves engineering investment and reduces manufacturing cost; the heat-preservation rock wool is embedded and installed in the part between the inner leaf steel mesh and the middle leaf steel mesh, so that the wall body can well block heat transfer; according to the utility model, the wall body adopts the structure with the embedded multilayer steel mesh and the outer layer cavity to ensure the stability of the wall body and simultaneously obviously reduce the overall weight of the wall body, the inner layer is embedded with the heat-preservation rock wool to play a heat preservation function, the structural stability and the heat preservation function of the wall body are integrated and integrally formed, when the wall body is actually used, the prefabricated cast external wall body with the steel structure assembly type is prefabricated and produced in a factory according to the construction layout requirement, the construction process is only the hoisting and splicing of components, the construction period is about 1/3 of the traditional construction mode, the manpower required by construction is greatly reduced, and the wall body has the advantages of time saving, energy saving, material saving, low carbon, environmental protection and the like; the special cement mortar proportioning technology simplifies the production process, saves the equipment investment and the production process of steam curing and heating curing, and meets various technical index requirements of the outer wall body.
Drawings
Fig. 1 is a vertical sectional view of a steel structure fabricated die-cast exterior wall body according to example 1 of the present invention.
Fig. 2 is a cross sectional view of the steel structure fabricated molded exterior wall body according to example 1 of the present invention.
Fig. 3 is a sectional view showing a corner structure of a steel structure fabricated die-cast exterior wall body according to example 1 of the present invention.
Fig. 4 is a sectional view of a lateral waterproof structure of a wall body of the steel structure fabricated die-cast exterior wall body according to embodiment 1 of the present invention.
Fig. 5 is a sectional view of a vertical waterproof structure of a wall body of the steel structure fabricated die-cast exterior wall body according to embodiment 1 of the present invention.
Fig. 6 is a sectional view of a vertical waterproof structure of a wall corner of the steel structure fabricated die-cast exterior wall according to embodiment 1 of the present invention.
Fig. 7 is a cross sectional view of the steel structure fabricated molded exterior wall body according to example 2 of the present invention.
Fig. 8 is a cross sectional view of the fabricated cast exterior wall of steel structure according to example 3 of the present invention.
Reference numerals: the bridge-cut-off rod comprises a bridge-cut-off rod 1, an inner leaf steel mesh 2, a middle leaf steel mesh 3, an outer leaf steel mesh 4, cavity rock wool 5, heat-preservation rock wool 6, a concrete wall 7, a first connecting rib 71, a second connecting rib 72, a hoisting screwed pipe 8, a lateral screwed pipe 9, a single-side positioning groove 10, a positioning groove 11, a convex part 12, a concave part 13, a first vertical surface 14, a first vertical groove 15, a second vertical surface 16, a second vertical groove 17, a third vertical surface 18, a third vertical groove 19, a fourth vertical surface 20, anti-crack mortar A, foaming PU B, a water-swelling water stop strip C and weather-resistant sealant D.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Example 1
The steel structure assembly type die casting exterior wall body of embodiment 1 of the utility model, as shown in fig. 1 and fig. 2, comprises a concrete wall body 7, an inner leaf steel mesh 2, a middle leaf steel mesh 3, an outer leaf steel mesh 4, cavity rock wool 5 and heat preservation rock wool 6, the inner layer part of the concrete wall body 7 is embedded with the inner leaf steel mesh 2 in the vertical direction, the middle layer part of the concrete wall body 7 is embedded with the middle leaf steel mesh 3 in the vertical direction, the outer layer part of the concrete wall body 7 is embedded and installed with the outer leaf steel mesh 4 in the vertical direction, the part of the concrete wall body 7 positioned between the inner leaf steel mesh 2 and the middle leaf steel mesh 3 is embedded and installed with the heat preservation rock wool 6, the concrete wall 7 is provided with a plurality of first connecting ribs 71 at the part between the middle leaf steel mesh 3 and the outer leaf steel mesh 4, a plurality of cavities are formed between the first connecting ribs 71, and the cavities are filled with rock wool 5.
The prefabricated building adopts factory production, reduces construction waste, greatly saves templates, reduces the field construction strength because most components are prefabricated in factories, greatly shortens the construction period, has light weight, high strength, good shock resistance, small component section size, easy assembly, short construction period, and is beneficial to industrial production and standardized manufacture, so the prefabricated steel structure becomes the key development project of building industrialization and housing industrialization in China, and the light-weight prefabricated external wall panel in a steel structure system really meets the requirements of the building industrialization.
The die-cast external wall body is prefabricated and formed in an integrated factory, the main body is a concrete wall body 7, an inner leaf steel mesh 2, a middle leaf steel mesh 3 and an outer leaf steel mesh 4 are respectively embedded in the inner layer, the middle layer and the outer layer, a cavity structure is formed between the middle leaf steel mesh 3 and the outer leaf steel mesh 4, a cavity frame has obvious mechanical advantages in the aspects of bending resistance, wind pressure resistance, impact resistance and the like, cavity rock wool 5 is filled in a cavity, compared with a solid concrete structure, the dead weight of the cavity structure is light, the weight of the cavity structure is obviously lighter than that of the solid concrete on the one hand, the installation of the wall body is facilitated, the working efficiency is improved, and the labor consumption is reduced; on the other hand, the cavity structure uses less materials, is more energy-saving and environment-friendly, saves engineering investment and reduces manufacturing cost; the heat-preservation rock wool 6 is embedded and installed in the part between the inner leaf steel mesh 2 and the middle leaf steel mesh 3, so that the wall body can well block heat transfer; according to the utility model, the wall body adopts the structure with multiple layers of embedded steel meshes and outer layers of cavities to ensure the stability of the wall body and simultaneously obviously reduce the overall weight of the wall body, the heat-preservation rock wool 6 embedded in the inner layer plays a role in heat preservation, integrates the structural stability and heat preservation of the wall body and is integrally formed, when the wall body is actually used, the steel structure assembly type die casting external wall body is prefabricated and produced in a factory according to the requirement of construction layout, the specification of the external wall body can be designed into a proper size according to the actual building requirement, the construction process only comprises hoisting and splicing of components, the construction period is about 1/3 of the traditional building mode, the manpower required by construction is greatly reduced, and the wall body has the advantages of time saving, energy saving, material saving, low carbon, environmental protection and the like; the experimental test verifies that the index performances of the die-cast external wall body such as air sound insulation, bending damage resistance load, drying shrinkage, hanging force, heat transfer coefficient, wind pressure resistance, impact resistance, radioactivity, formaldehyde release rate, fire resistance and the like meet or are higher than the industrial standard, and the overall performance is obviously superior to the prior art product.
In the embodiment, a bridge-cut-off rod 1 is connected between the inner leaf steel mesh 2 and the middle leaf steel mesh 3, the bridge-cut-off rod 1 is in an inclined direction, the bridge-cut-off rod 1 penetrates through the heat-preservation rock wool 6, two ends of the bridge-cut-off rod are respectively fixed on the inner leaf steel mesh 2 and the middle leaf steel mesh 3, the inner leaf steel mesh 2 and the middle leaf steel mesh 3 are firmly connected by the bridge-cut-off rod 1, and the structural firmness of the external wall body is enhanced; preferably, the bridge-cut-off rod 1 is a nylon rod, the nylon rod has the characteristics of good toughness, strong wear resistance, oil resistance, shock resistance, good tensile strength and bending strength, small water absorption, good dimensional stability and the like, and meanwhile, the nylon rod is a poor conductor for heat transfer, so that the heat transfer is further blocked, and the heat insulation performance is improved; further, the number of nylon rods used per square meter is at least 6.
As a specific embodiment of the present invention, in this embodiment, a vertical hoisting screw tube 8 is installed at the top of the outer wall, two to four hoisting screw tubes 8 are installed on the upper end surface of the wall for vertical hoisting of the outer wall, a lateral screw tube 9 is installed on the side surface of the inner wall, four to eight lateral screw tubes 9 are installed for lateral traction movement of the outer wall, a positioning groove 11 for positioning with a floor slab is formed at the bottom of the lateral screw tube, and a single-side positioning groove 10 is formed at the bottom of the side surface of the inner wall; the positioning grooves 11 and the unilateral positioning grooves 10 are respectively aligned and positioned with the steel bar pieces pre-embedded on the floor slab, the top of the side surface of the outer wall is provided with a concave part 13, the bottom of the side surface of the outer wall is provided with a convex part 12, the convex part 12 is arranged at the outer side of the floor slab and matched with the concave part 13 of the outer wall body at the lower layer, the gap between the convex part 12 and the concave part 13 is lower than the height of the floor slab, so that water on the outer wall surface can not enter the wall body through the gap, as shown in figure 4, during installation, the lateral screwed pipe 9 at the top is fixed with the steel connecting piece reserved for positioning through a bolt, the positioning grooves 11 and the unilateral positioning grooves 10 are respectively fixed with the steel bar pieces pre-embedded on the floor slab, the contact part of the top and the floor slab is filled with foamed PU polyurethane B to play a role in water resistance and heat preservation, the contact part of the side surface between the convex part 12 and the concave part 13 is filled with a water swelling water stop bar C, the horizontal contact part is filled with weather-proof sealant D, so that a good transverse waterproof effect is achieved.
As a specific embodiment of the present invention, in this embodiment, as shown in fig. 2 and fig. 3, the vertical side surfaces of the external wall body include a first vertical surface 14, a first vertical groove 15, a second vertical surface 16, a second vertical groove 17, a third vertical surface 18, a third vertical groove 19, and a fourth vertical surface 20, which are sequentially connected from inside to outside, the vertical side surfaces of two adjacent external wall bodies are symmetrical to each other, the first vertical surface 14 and the fourth vertical surface 20 are laterally aligned, the second vertical surface 16 and the third vertical surface 18 are laterally aligned and protrude from the first vertical surface 14 and the fourth vertical surface 20, the vertical side surfaces of two adjacent external wall bodies are opposite and closely contacted with each other, and a space formed therebetween is filled with a waterproof or thermal insulation material.
As shown in fig. 5 and 6, crack-resistant mortar a is filled in a gap between two first vertical surfaces 14 of the adjacent external wall bodies; the foaming PU B is filled between the two first vertical grooves 15, the anti-crack mortar A is filled between the two second vertical grooves 17, the water-swelling water stop strip C is filled between the two third vertical grooves 19, and the weather-resistant sealant D is filled between the two fourth vertical surfaces 20, wherein the foaming PU B plays a role in water prevention and heat preservation, and the two layers of the anti-crack mortar A, the water-swelling water stop strip C and the weather-resistant sealant D on the inner side and the outer side jointly play multiple waterproof roles; it should be understood that two adjacent vertical surfaces required by the vertical waterproof structure and the corner waterproof structure of the outer wall body can be designed into any suitable other shapes, the space formed by the two vertical surfaces in a surrounding manner is filled with the corresponding waterproof material, and the filling amount of the waterproof material can be properly adjusted according to actual use requirements.
As a preferred embodiment of the utility model, the outer side surface of the outer layer part of the concrete wall 7 can be cast into any suitable pattern or shape according to requirements, so that the outer wall body has a decoration function.
The performance of the steel structure assembled die casting exterior wall body of the embodiment 1 of the utility model is tested, and the test results are shown in table 1:
TABLE 1 test results of the performance of the fabricated die cast exterior wall with steel structure of example 1
Example 2
As shown in fig. 7, the steel structure fabricated die-cast exterior wall according to embodiment 2 of the present invention has the same main structure as that of embodiment 1, except that the bridge-cut-off bars 1 are horizontally connected.
Example 3
As shown in fig. 8, the main structure of the steel structure assembly type cast external wall body according to embodiment 3 of the present invention is the same as that of embodiment 1, except that a plurality of second connection ribs 72 are disposed on a portion of the concrete wall 7 located between the inner leaf steel nets 2 and the middle leaf steel nets 3, the heat preservation rock wool 6 is filled in cavities between the second connection ribs 72, and the first connection ribs 71 and the second connection ribs 72 are staggered with each other; cavities among the first connecting ribs 71 and cavities among the second connecting ribs 72 are all square holes, the horizontal distance between the first connecting ribs 71 and the second connecting ribs 72 is not less than 300mm, the structure omits the use of a bridge-cut-off bar, and the second connecting ribs 72 are directly poured by concrete, so that on one hand, the production process is simpler and more efficient, the consumable material is saved, the labor use is reduced, and the large-scale production is facilitated; on the other hand, when the first connecting ribs 71 and the second connecting ribs 72 are staggered with each other and the horizontal distance is not less than 300mm, the heat outside the outer wall cannot be transferred to the inside of the outer wall through the wall, and the good heat insulation effect is achieved while the stability of the whole structure is ensured.
Example 4
The pouring method of the steel structure assembly type die casting external wall body in the embodiment 4 of the utility model comprises the following steps of firstly assembling the edge strips of the mould on a platform, fixing the hoisting screw pipes 8 on the upper edge strips, and forming the structures of the concave parts 13 on the upper edge strips; structures of a first vertical surface 14, a first vertical groove 15, a second vertical surface 16, a second vertical groove 17, a third vertical surface 18, a third vertical groove 19 and a fourth vertical surface 20 are formed on the left edge strip and the right edge strip; the lower edge strip is used for fixing a positioning groove 11, and the lower edge strip forms a structure with a single-side positioning groove 10 and a convex part 12; pouring 15mm of fine stone concrete, placing the steel mesh 2 with the inner leaves, pouring 15mm of fine stone concrete again, placing cavity rock wool 5 according to the cavity position of the mold, and pouring 15mm of fine stone concrete, wherein the pouring height is about 1/3 of the height of the cavity rock wool 5, the fluidity of the fine stone concrete to be poured is smaller, and the pouring height is 15mm higher than the cavity rock wool; placing the composite assembled on another platform: the heat preservation rock wool 6 is arranged between the inner leaf steel mesh 2 and the middle leaf steel mesh 3, the bridge breaking rod 1 is connected between the inner leaf steel mesh 2 and the middle leaf steel mesh 3, meanwhile, a plurality of round holes are formed in the heat preservation rock wool 6, and the lateral spiral tubes 9 are placed; grouting fine rock concrete in the heat-preservation rock wool 6 round holes by pressure, and completely blocking all the round holes by using the heat-preservation rock wool with the same thickness and size which are larger than the diameter of the heat-preservation rock wool 6 round holes by 2mm when part of the heat-preservation rock wool 6 round holes which are not grouted are discharged with slurry; pouring fine stone concrete again, vibrating and leveling, maintaining for 10-12 h at normal temperature, removing the mold and transferring to a secondary maintenance area, finishing maintenance, and leaving the factory after the detection is qualified; preferably, the mold is designed into any suitable pattern or shape according to requirements, and the cast and molded outer wall body has a decoration function.
Example 5
The fine aggregate concrete for the pouring method of the steel structure assembly type die casting outer wall body in the embodiment 5 of the utility model comprises the following components in parts by weight: 40 parts of anti-cracking quick-setting cement, 350 parts of cement, 100 parts of S95-grade slag powder, 800 parts of medium sand, 400 parts of broken stone, 200 parts of water, 0.2 part of water reducing agent, 0.01 part of lithium carbonate, 0.1 part of aluminum sulfate, 0.05 part of defoaming agent, 0.5 part of rubber powder and 0.1 part of citric acid.
Example 6
The fine aggregate concrete for the pouring method of the steel structure assembly type die casting outer wall body in the embodiment 6 of the utility model comprises the following components in parts by weight: 50 parts of anti-cracking quick-setting cement, 400 parts of cement, 200 parts of S95-grade slag powder, 1200 parts of medium sand, 450 parts of broken stone, 230 parts of water, 0.5 part of water reducing agent, 0.05 part of lithium carbonate, 0.5 part of aluminum sulfate, 0.2 part of defoaming agent, 1.5 parts of rubber powder and 0.3 part of citric acid.
Example 7
The fine aggregate concrete for the pouring method of the steel structure assembly type die casting external wall body in the embodiment 7 comprises the following components in parts by weight: 45 parts of anti-cracking quick-setting cement, 280 parts of cement, 150 parts of S95-grade slag powder, 1000 parts of medium sand, 430 parts of crushed stone, 220 parts of water, 0.3 part of water reducing agent, 0.03 part of lithium carbonate, 0.3 part of aluminum sulfate, 0.1 part of defoaming agent, 1 part of rubber powder and 0.2 part of citric acid.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments are merely for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions which are made by those skilled in the art within the spirit of the present invention are also within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides an outer wall body of steel construction assembled die casting, its characterized in that, including concrete wall (7), inner leaf steel mesh (2), well leaf steel mesh (3), outer leaf steel mesh (4), cavity rock wool (5) and heat preservation rock wool (6), the inner leaf steel mesh (2) of the vertical direction of inlayer part embedding installation of concrete wall (7), the middle leaf steel mesh (3) of the vertical direction of middle level part embedding installation of concrete wall (7), the outer leaf steel mesh (4) of the vertical direction of outer layer part embedding installation of concrete wall (7), concrete wall (7) are located the inner leaf steel mesh (2) and the part embedding installation heat preservation rock wool (6) between well leaf steel mesh (3), concrete wall (7) are located the part between well leaf steel mesh (3) and the outer leaf steel mesh (4) sets up a plurality of first connection rib (71), a plurality of cavities are formed among the first connecting ribs (71), and cavity rock wool (5) is filled in the cavities.
2. The fabricated and cast exterior wall body with steel structure as claimed in claim 1, wherein a bridge-cut bar (1) is connected between the inner leaf steel mesh (2) and the middle leaf steel mesh (3).
3. The fabricated cast exterior wall body with steel structure as claimed in claim 2, wherein the bridge-cut-off bars (1) are connected in an inclined direction or a horizontal direction.
4. The fabricated cast external wall with steel structure as claimed in claim 1, wherein the concrete wall (7) has a plurality of second connection ribs (72) at the portion between the inner leaf steel nets (2) and the middle leaf steel nets (3), the insulation rock wool (6) is filled in the cavities between the second connection ribs (72), and the first connection ribs (71) and the second connection ribs (72) are staggered with each other.
5. The fabricated cast exterior wall of steel structure as claimed in claim 4, wherein the cavities between the first connecting ribs (71) and the cavities between the second connecting ribs (72) are square holes, and the horizontal distance between the first connecting ribs (71) and the second connecting ribs (72) is not less than 300 mm.
6. The steel structure assembly type die casting external wall body according to claim 1, wherein a vertical hoisting screw pipe (8) is installed at the top of the external wall body, a lateral screw pipe (9) is installed at the side surface of the internal wall body, a positioning groove (11) for positioning with a floor slab is formed at the bottom of the internal wall body, and a single-side positioning groove (10) is formed at the bottom of the side surface of the internal wall body; the top of the side surface of the outer wall is provided with a concave part (13), the bottom of the side surface of the outer wall is provided with a convex part (12), and the convex part (12) is arranged on the outer side of the floor and matched with the concave part (13) of the lower outer wall.
7. The steel structure assembly type die cast external wall body according to claim 6, wherein the vertical side surface of the external wall body comprises a first vertical surface (14), a first vertical groove (15), a second vertical surface (16), a second vertical groove (17), a third vertical surface (18), a third vertical groove (19) and a fourth vertical surface (20) which are sequentially connected from inside to outside, two adjacent vertical side surfaces of the external wall body are mutually symmetrical, the first vertical surface (14) and the fourth vertical surface (20) are laterally flush, and the second vertical surface (16) and the third vertical surface (18) are laterally flush and protrude out of the first vertical surface (14) and the fourth vertical surface (20).
8. The steel structure fabricated cast exterior wall body according to claim 7, wherein the space between two first vertical surfaces (14) of the adjacent exterior wall bodies is filled with anti-crack mortar; two fill foaming PU between first vertical recess (15), two fill anti-crack mortar between second vertical recess (17), two fill between third vertical recess (19) and meet water inflation sealing rod, two the sealed glue of waiting of packing between fourth vertical face (20).
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| CN113266101A (en) * | 2021-06-21 | 2021-08-17 | 张强 | Steel structure assembly type die casting outer wall body, pouring method thereof and fine aggregate concrete |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266101A (en) * | 2021-06-21 | 2021-08-17 | 张强 | Steel structure assembly type die casting outer wall body, pouring method thereof and fine aggregate concrete |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A steel structure assembly type molded exterior wall body Effective date of registration: 20230711 Granted publication date: 20220719 Pledgee: Cangzhou Bank Co.,Ltd. Qinhuangdao Haigang Branch Pledgor: Hebei Yongxiang Construction Development Group Co.,Ltd. Registration number: Y2023980048021 |