Double-layer or staggered-layer combined frame

Abstract

The utility model discloses a double-layer or staggered-layer combined frame which comprises prefabricated stand columns, a high-layer prefabricated beam plate assembly and a low-layer prefabricated beam plate assembly. The prefabricated stand columns are distributed in an array mode, and at least one of a high-layer bearing assembly and a low-layer bearing assembly is arranged on the prefabricated stand columns. The high-layer bearing assemblies of the adjacent prefabricated stand columns jointly support one high-layer prefabricated beam and slab assembly, and the low-layer bearing assemblies of the adjacent prefabricated stand columns jointly support one low-layer prefabricated beam and slab assembly. The high-layer bearing assemblies and the low-layer bearing assemblies are arranged at the positions of different heights on the prefabricated stand columns, so that the construction operation of the upper layer can be carried out without waiting for pouring forming and complete solidification of one layer in the construction process of a building in a multi-layer combined frame form; and instead, rapid installation and pouring of the prefabricated beam and slab assemblies of the high layer and the low layer can be completed continuously or simultaneously, the construction cost is reduced, and meanwhile the site construction speed of a corresponding multi-layer building is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to building technology field especially relates to a double -deck or staggered combination frame. BACKGROUND

[0002] The existing assembly type concrete building adopts the composite floor and the prefabricated composite beam, and the support is usually arranged in the construction stage. When the layer height is large, the support system is complex and the cost is high. Therefore, in order to speed up the construction speed, reduce the project measure cost, realize the support-free and form-free construction of prefabricated structure, it has great practical value.

[0003] In order to solve the above problems, the existing prefabricated concrete structure of beam slab integration is proposed, which realizes the support-free and form-free construction of prefabricated concrete structure, can significantly speed up the construction speed, and significantly reduce the construction cost.

[0004] However, for part of the specific configuration of the house structure, such as the transformer substation using double -deck or staggered combination frame, if the prefabricated concrete structure of beam slab integration is used for construction, two times of pouring are needed, that is, the second layer construction needs to wait for the first layer to be poured into the shape and completely solidified before carrying out, which affects the construction speed of the multi -layer form building. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem that a double -deck or staggered combination frame is provided, which can reduce the construction cost and improve the construction speed of the corresponding multi -layer form building.

[0006] In order to solve the above technical problem, the utility model adopts the technical scheme that:

[0007] A double -deck or staggered combination frame, comprising a prefabricated column, a high -level prefabricated beam plate assembly and a low -level prefabricated beam plate assembly;

[0008] The prefabricated column is arrayed, and at least one of the high -level bearing assembly and the low -level bearing assembly is arranged on the prefabricated column;

[0009] The high -level bearing assembly of the adjacent prefabricated column supports one high -level prefabricated beam plate assembly, and the low -level bearing assembly of the adjacent prefabricated column supports one low -level prefabricated beam plate assembly.

[0010] Further, only the prefabricated column of the low -level bearing assembly is a prefabricated short column, and the prefabricated column with the high -level bearing assembly and the low -level bearing assembly is a prefabricated high column;

[0011] The low-layer supporting assembly is located at the top of the prefabricated short column, and the low-layer supporting assembly of the prefabricated short column and the low-layer supporting assembly of the prefabricated high column jointly support a low-layer prefabricated beam slab assembly.

[0012] Further, the high-layer prefabricated beam slab assembly comprises a high-layer prefabricated composite beam and a prefabricated beam slab unit;

[0013] The high-layer prefabricated composite beam is erected on the high-layer supporting assembly of the adjacent prefabricated column;

[0014] The prefabricated beam slab unit is simultaneously erected on two mutually parallel high-layer prefabricated composite beams and the high-layer supporting assembly of the adjacent prefabricated column.

[0015] Further, the low-layer prefabricated beam slab assembly comprises a low-layer prefabricated composite beam and a prefabricated beam slab unit;

[0016] The two ends of the low-layer prefabricated composite beam are erected on the low-layer supporting assembly of the adjacent prefabricated column;

[0017] The prefabricated beam slab unit is simultaneously erected on two mutually parallel low-layer prefabricated composite beams and the low-layer supporting assembly of the adjacent prefabricated column.

[0018] Further, the low-layer supporting assembly comprises a low-layer beam supporting member and a low-layer beam slab supporting member;

[0019] At least one side of the opposite sides of the prefabricated column is provided with the low-layer beam supporting member, and the two ends of the low-layer prefabricated composite beam are respectively erected on the low-layer beam supporting member of the adjacent prefabricated column;

[0020] The low-layer beam slab supporting member is arranged on a side adjacent to the low-layer beam supporting member on the prefabricated column, and the low-layer beam slab supporting member corresponds to the prefabricated beam slab unit.

[0021] Further, the high-layer supporting assembly comprises a high-layer beam supporting member and a high-layer beam slab supporting member;

[0022] At least one side of the opposite sides of the prefabricated column is provided with the high-layer beam supporting member, and the two ends of the high-layer prefabricated composite beam are respectively erected on the high-layer beam supporting member of the adjacent prefabricated column;

[0023] The high-layer beam slab supporting member is arranged on a side adjacent to the high-layer beam supporting member on the prefabricated column, and the high-layer beam slab supporting member corresponds to the prefabricated beam slab unit.

[0024] Further, it further comprises a first column outer extending steel bar;

[0025] The high-layer supporting assembly is arranged on the top side of the prefabricated column, and the first column external reinforcement is arranged on the top of the prefabricated high column;

[0026] The high-layer prefabricated composite beam is provided with high-layer beam external reinforcement and beam end shear key grooves at two ends thereof, the high-layer beam external reinforcement corresponds to the first column external reinforcement one by one and is staggered with each other.

[0027] Further, the low-layer prefabricated composite beam arranged on the prefabricated high column is embedded with an I-shaped steel and a low-layer beam stirrup, the I-shaped steel has an extension at two ends of the low-layer prefabricated composite beam;

[0028] The low-layer prefabricated composite beam arranged on the prefabricated low column is provided with low-layer beam external reinforcement and the extension at two ends thereof respectively, the top of the prefabricated low column is provided with second column external reinforcement, and the low-layer beam external reinforcement is staggered with the second column external reinforcement.

[0029] Further, the prefabricated beam plate unit comprises a flat plate and support beams arranged on opposite sides of the flat plate;

[0030] The flat plate is arranged with truss reinforcement perpendicular to the support beams, at least two flat plates are arranged between the high-layer prefabricated composite beams in parallel to each other, and the high-layer prefabricated composite beam is provided with a high-layer supporting groove;

[0031] The support beam is arranged on the high-layer supporting groove or the high-layer supporting assembly correspondingly;

[0032] The beam plate external reinforcement is arranged at two ends of the support beam on the high-layer supporting assembly, and the beam plate external reinforcement penetrates into the area where the first column external reinforcement is arranged.

[0033] Further, the low-layer prefabricated composite beam is provided with a low-layer supporting groove corresponding to the prefabricated beam plate unit.

[0034] The beneficial effect of the utility model lies in: provide a double-layer or staggered combination frame, through setting high-layer supporting assembly and low-layer supporting assembly on different height positions of prefabricated column, make the construction process of building of multilayer combination frame form not need to wait for one layer to be formed and completely solidified before carrying out the construction operation of upper layer, but can continuously or simultaneously complete the rapid installation and pouring of high and low two layers of prefabricated beam plate assembly, reduce construction cost, improve the on-site construction speed of corresponding multilayer form building. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 It is a structural schematic view when the double-layer or staggered combination frame of the utility model forms double-layer frame;

[0036] Figure 2The utility model discloses a prefabricated base structure schematic diagram of double -deck or staggered combination frame,

[0037] Figure 3 The utility model discloses a prefabricated high stand column structure schematic diagram of double -deck or staggered combination frame with high -order bearing component and low -order bearing component simultaneously,

[0038] Figure 4 The utility model discloses a high -order prefabricated superimposed beam structure schematic diagram of double -deck or staggered combination frame,

[0039] Figure 5 The utility model discloses a low -order prefabricated superimposed beam structure schematic diagram of double -deck or staggered combination frame,

[0040] Figure 6 The utility model discloses a prefabricated beam plate unit structure schematic diagram of double -deck or staggered combination frame,

[0041] Figure 7 The utility model discloses a double -deck combination frame prefabricated stand column installation schematic diagram of double -deck or staggered combination frame,

[0042] Figure 8 The utility model discloses a low -order prefabricated superimposed beam installation schematic diagram of double -deck combination frame of double -deck or staggered combination frame,

[0043] Figure 9 The utility model discloses a prefabricated beam plate unit installation schematic diagram of double -deck combination frame of double -deck or staggered combination frame,

[0044] Figure 10 The utility model discloses a double -deck combination frame in -low -order cast -in -situ concrete surface layer pouring effect schematic diagram of double -deck or staggered combination frame,

[0045] Figure 11 The utility model discloses a high -order prefabricated superimposed beam installation schematic diagram of double -deck combination frame of double -deck or staggered combination frame,

[0046] Figure 12 The utility model discloses a prefabricated beam plate unit installation schematic diagram on the high -order prefabricated superimposed beam of double -deck combination frame of double -deck or staggered combination frame,

[0047] Figure 13 The utility model discloses a double -deck combination frame in -high -order cast -in -situ concrete surface layer pouring effect schematic diagram of double -deck or staggered combination frame,

[0048] Figure 14 The utility model discloses a structure schematic diagram when forming staggered frame structure of double -deck or staggered combination frame,

[0049] Figure 15 A structure schematic view of a prefabricated low column of a double-layer or staggered combined frame according to the utility model;

[0050] Figure 16 A structure schematic view of a low-layer prefabricated composite beam of a double-layer or staggered combined frame located on a prefabricated low column according to the utility model;

[0051] Figure 17 A prefabricated column installation schematic view of a double-layer or staggered combined frame according to the utility model;

[0052] Figure 18 An effect schematic view of a prefabricated beam plate unit of a double-layer or staggered combined frame according to the utility model after installation is completed;

[0053] Figure 19 A cast-in-situ concrete surface layer pouring completion schematic view of a staggered combined frame of a double-layer or staggered combined frame according to the utility model.

[0054] Label explanation:

[0055] 1, prefabricated base; 11, bottom plate; 12, limiting frame;

[0056] 2, prefabricated high column; 21, high-layer beam supporting piece; 22, high-layer beam plate supporting piece; 23, low-layer beam supporting piece; 24, low-layer beam plate supporting piece; 25, first column external reinforcement;

[0057] 3, prefabricated low column; 31, vice beam supporting piece; 32, vice beam plate supporting piece; 33, second column external reinforcement;

[0058] 4, high-layer prefabricated composite beam; 41, high-layer beam external reinforcement; 42, beam end shear key groove; 43, high-layer supporting groove; 44, high-layer beam stirrup;

[0059] 5, low-layer prefabricated composite beam; 51, extension; 52, low-layer supporting groove; 53, I-beam; 54, low-layer beam external reinforcement; 55, low-layer beam stirrup;

[0060] 6, prefabricated beam plate unit; 61, flat plate; 62, supporting beam; 63, beam plate external reinforcement; 64, longitudinal beam stirrup; 65, truss reinforcement; 66, recess.

[0061] 7, cast-in-situ concrete surface layer. Specific implementation

[0062] In order to explain the technical content, the purpose and the effect of the utility model in detail, the following will be explained by combining with the embodiment and the drawings.

[0063] Please refer to Figures 1 to 19The double-layer or staggered-layer combined frame comprises prefabricated columns, high-layer prefabricated beam plate assemblies and low-layer prefabricated beam plate assemblies.

[0064] The prefabricated columns are arranged in an array, and at least one of the high-layer supporting assemblies and the low-layer supporting assemblies is arranged on the prefabricated columns.

[0065] The high-layer supporting assemblies of adjacent prefabricated columns jointly support one high-layer prefabricated beam plate assembly, and the low-layer supporting assemblies of adjacent prefabricated columns jointly support one low-layer prefabricated beam plate assembly.

[0066] From the above description, it can be known that the beneficial effects of the utility model lie in that the high-layer supporting assemblies and the low-layer supporting assemblies are arranged at different heights on the prefabricated columns, so that the construction process of the building in the form of the multi-layer combined frame can be continuously or simultaneously completed with the rapid installation and pouring of the high-layer and low-layer prefabricated beam plate assemblies, the construction cost is reduced, and the on-site construction speed of the building in the corresponding multi-layer form is improved.

[0067] Further, the prefabricated columns with the low-layer supporting assemblies are prefabricated short columns 3, and the prefabricated columns with both the high-layer supporting assemblies and the low-layer supporting assemblies are prefabricated high columns 2.

[0068] The low-layer supporting assemblies are located at the top of the prefabricated short columns 3, and the low-layer supporting assemblies of the prefabricated short columns 3 and the low-layer supporting assemblies of the prefabricated high columns 2 jointly support one low-layer prefabricated beam plate assembly.

[0069] From the above description, in some buildings in the form of the multi-layer combined frame, for the staggered-layer combined frame, the prefabricated short columns 3 with only the low-layer supporting assemblies are arranged, so that they are matched with the prefabricated high columns 2 with both the high-layer supporting assemblies and the low-layer supporting assemblies, the low-layer supporting assemblies of the prefabricated short columns 3 and the low-layer supporting assemblies of the prefabricated high columns are matched for installing the low-layer prefabricated beam plate assemblies, and the high-layer supporting assemblies of the plurality of prefabricated high columns are matched for installing the high-layer prefabricated beam plate assemblies, which helps to efficiently complete the construction work of the staggered-layer combined frame.

[0070] Further, the high-layer prefabricated beam plate assembly comprises a high-layer prefabricated composite beam 4 and a prefabricated beam plate unit 6.

[0071] The high-layer prefabricated composite beam 4 is arranged on the high-layer supporting assemblies of adjacent prefabricated columns.

[0072] The prefabricated beam plate unit 6 is arranged on two mutually parallel high-layer prefabricated composite beams 4 and the high-layer supporting assemblies of adjacent prefabricated columns.

[0073] Further, the low-layer prefabricated beam plate assembly comprises a low-layer prefabricated composite beam 5 and a prefabricated beam plate unit 6;

[0074] The two ends of the low-layer prefabricated composite beam 5 are erected on the low-layer supporting assemblies of the adjacent prefabricated columns;

[0075] The prefabricated beam plate unit 6 is erected on two mutually parallel low-layer prefabricated composite beams 5 and the low-layer supporting assemblies of the adjacent prefabricated columns.

[0076] As can be seen from the above description, the high-layer prefabricated beam plate assembly is composed of a high-layer prefabricated composite beam 4 and a prefabricated beam plate unit 6. When installed, two parallel high-layer prefabricated composite beams 4 are first erected on prefabricated columns, and then the prefabricated beam plate unit 6 is laid on the high-layer prefabricated composite beam 4. The low-layer prefabricated beam plate assembly is the same as the above, both of which use the construction method of prefabrication and on-site assembly, greatly improving the work efficiency.

[0077] Further, the low-layer supporting assembly comprises a low-layer beam supporting member 23 and a low-layer beam plate supporting member 24;

[0078] At least one side of the opposite sides of the prefabricated column is provided with the low-layer beam supporting member 23, and the two ends of the low-layer prefabricated composite beam 5 are respectively erected on the low-layer beam supporting members 23 of the adjacent prefabricated columns;

[0079] The low-layer beam plate supporting member 24 is arranged on the side adjacent to the low-layer beam supporting member 23 of the prefabricated column, and the low-layer beam plate supporting member 24 corresponds to the prefabricated beam plate unit 6.

[0080] Further, the high-layer supporting assembly comprises a high-layer beam supporting member 21 and a high-layer beam plate supporting member 22;

[0081] At least one side of the opposite sides of the prefabricated column is provided with the high-layer beam supporting member 21, and the two ends of the high-layer prefabricated composite beam 4 are respectively erected on the high-layer beam supporting members 21 of the adjacent prefabricated columns;

[0082] The high-layer beam plate supporting member 22 is arranged on the side adjacent to the high-layer beam supporting member 21 of the prefabricated column, and the high-layer beam plate supporting member 22 corresponds to the prefabricated beam plate unit 6.

[0083] As can be seen from the above description, the high-layer supporting assembly and the low-layer supporting assembly have the same structure, both of which are composed of a beam supporting member and a beam plate supporting member, and correspond to each other in structure to ensure the support strength; in use, they are adapted to the process of first installing the prefabricated composite beam and then installing the prefabricated beam plate unit 6 of the beam plate assembly, providing a support base while helping to realize the rapid positioning and installation of the beam plate assembly.

[0084] Further, the first column external reinforcement 25 is further included;

[0085] The high-rise supporting assembly is arranged on the top side of the prefabricated column, and the first column external reinforcement 25 is located on the top of the prefabricated high column 2;

[0086] Both ends of the high-rise prefabricated composite beam 4 are provided with high-rise beam external reinforcement 41 and beam end shear key groove 42, the high-rise beam external reinforcement 41 corresponds to the first column external reinforcement 25 and is staggered with each other.

[0087] From the above description, it can be seen that the first column external reinforcement 25 is arranged on the top of the prefabricated column, which cooperates with the high-rise beam external reinforcement 41 provided at both ends of the high-rise prefabricated composite beam 4, and the connection between the prefabricated column and the high-rise prefabricated composite beam 4 is realized by concrete pouring; meanwhile, the beam end shear key groove 42 is arranged to improve the stability.

[0088] Further, the low-rise prefabricated composite beam 5 on the prefabricated high column 2 is embedded with an I-beam 53 and a low-rise beam stirrup 55, and the I-beam 53 has an extension 51 at both ends of the low-rise prefabricated composite beam 5;

[0089] Both ends of the low-rise prefabricated composite beam 5 on the prefabricated low column 3 are respectively provided with a low-rise beam external reinforcement 54 and the extension 51, the top of the prefabricated low column 3 is provided with a second column external reinforcement 33, and the low-rise beam external reinforcement 54 and the second column external reinforcement 33 are staggered with each other.

[0090] From the above description, it can be seen that the low-rise prefabricated composite beam 5 on the prefabricated high column 2 is embedded with an I-beam 53 and a low-rise beam stirrup 55, which guarantees the support strength and deformation resistance of the low-rise prefabricated composite beam 5.

[0091] Further, the prefabricated beam slab unit 6 includes a flat plate 61 and a support beam 62 arranged on opposite sides of the flat plate 61;

[0092] The flat plate 61 is arrayed with truss reinforcement 65 perpendicular to the support beam 62, at least two flat plates 61 are laid between the high-rise prefabricated composite beams 4 which are parallel to each other, and the high-rise prefabricated composite beams 4 are provided with high-rise supporting grooves 43;

[0093] The support beam 62 is correspondingly arranged on the high-rise supporting groove 43 or the high-rise supporting assembly;

[0094] Both ends of the support beam 62 on the high-rise supporting assembly are provided with beam slab external reinforcement 63, and the beam slab external reinforcement 63 penetrates the area where the first column external reinforcement 25 is located.

[0095] From the above description, the prefabricated beam plate unit 6 is combined by the flat plate 61, the truss steel bar 65 and the support beam 62, the single support strength is high, meanwhile, the splicing design of laying multiple flat plates 61 is adopted between the high-level prefabricated composite beams 4, the installation difficulty of the on-site construction is reduced, and the prefabricated column and the high-level bearing groove 43 can be closely matched with the support beam 62 and the beam plate outrigger steel bar 63, so that the assembly compactness and the overall stability are improved.

[0096] Further, the low-level prefabricated composite beam 5 is provided with the low-level bearing groove 52 corresponding to the prefabricated beam plate unit 6.

[0097] From the above description, the low-level bearing groove 52 is arranged on the low-level prefabricated composite beam 5, which is used for adapting the prefabricated beam plate unit 6, providing close limiting support, improving the assembly compactness and the overall stability.

[0098] Please refer to Figures 1 to 19 , the embodiment one of the utility model is:

[0099] A double-layer or staggered-layer combined frame, comprising a prefabricated column, a high-level prefabricated beam plate assembly and a low-level prefabricated beam plate assembly; the prefabricated columns are arranged in an array, and at least one of a high-level bearing assembly and a low-level bearing assembly is arranged on the prefabricated columns; the high-level bearing assemblies of adjacent prefabricated columns jointly support a high-level prefabricated beam plate assembly, and the low-level bearing assemblies of adjacent prefabricated columns jointly support a low-level prefabricated beam plate assembly. Figure 2 As shown in the figure, the bottom of the prefabricated column is provided with a prefabricated base 1, and the prefabricated base 1 comprises a bottom plate 11 and a limiting frame 12 arranged on the bottom plate 11; the limiting frame 12 is matched with the prefabricated column.

[0100] In the embodiment, as shown in the figures, Figure 3 and Figure 15 Due to the difference in height and surface structure, the prefabricated columns are divided into two types; the prefabricated column with only the low-level bearing assembly is a prefabricated short column 3, and the prefabricated column with both the high-level bearing assembly and the low-level bearing assembly is a prefabricated high column 2; the high-level bearing assembly is arranged on the top side of the prefabricated high column 2, and the low-level bearing assembly of the prefabricated high column 2 is arranged on the column body in the middle of the column;

[0101] As shown in the figure, Figure 1 When arranged in an array, the high-level bearing assemblies of adjacent prefabricated high columns 2 jointly support a high-level prefabricated beam plate assembly, and the low-level bearing assemblies jointly support a low-level prefabricated beam plate assembly; thus, a double-layer building is formed; it should be noted that, according to the actual construction requirements, two or more low-level bearing assemblies can be arranged on the prefabricated high column 2 in an up-down manner to form a multi-layer combined frame.

[0102] As shown in the figure, Figure 14As shown in the figure, the low-layer supporting assembly is located at the top of the prefabricated low column 3. When the prefabricated high column 2 is arranged adjacent to the prefabricated low column 3, the low-layer supporting assembly of the prefabricated low column 3 is at the same horizontal plane as the low-layer supporting assembly of the prefabricated high column 2, and they jointly support a low-layer prefabricated beam slab assembly, thereby forming a staggered combined frame with the high-layer prefabricated beam slab assembly on the prefabricated high column 2.

[0103] As shown in the figure, Figure 4 and Figure 5 the high-layer prefabricated beam slab assembly includes a high-layer prefabricated composite beam 4 and a prefabricated beam slab unit 6. The high-layer prefabricated composite beam 4 is erected on the high-layer supporting assembly of the adjacent prefabricated column. The prefabricated beam slab unit 6 is erected on two mutually parallel high-layer prefabricated composite beams 4 and the high-layer supporting assembly of the adjacent prefabricated column. The low-layer prefabricated beam slab assembly includes a low-layer prefabricated composite beam 5 and a prefabricated beam slab unit 6. The two ends of the low-layer prefabricated composite beam 5 are erected on the low-layer supporting assembly of the adjacent prefabricated column. The prefabricated beam slab unit 6 is erected on two mutually parallel low-layer prefabricated composite beams 5 and the low-layer supporting assembly of the adjacent prefabricated column.

[0104] In the embodiment, as shown in the figure, Figure 3 the low-layer supporting assembly includes a low-layer beam supporting member 23 and a low-layer beam slab supporting member 24. At least one side of the opposite sides of the prefabricated column is provided with the low-layer beam supporting member 23. The two ends of the low-layer prefabricated composite beam 5 are respectively erected on the low-layer beam supporting member 23 of the adjacent prefabricated column. The low-layer beam slab supporting member 24 is arranged on the side of the prefabricated column adjacent to the low-layer beam supporting member 23, and the low-layer beam slab supporting member 24 corresponds to the prefabricated beam slab unit 6.

[0105] In the staggered combined frame, as shown in the figure, Figure 15 in order to distinguish the low-layer supporting assembly located on the prefabricated low column and the low-layer supporting assembly located on the prefabricated high column 2, the low-layer supporting assembly located on the prefabricated low column is marked as including a secondary beam supporting member 31 and a secondary beam slab supporting member 32. The secondary beam supporting member 31 and the low-layer beam supporting member 23 jointly support a low-layer prefabricated composite beam 5, and the secondary beam slab supporting member 32 jointly supports the prefabricated beam slab unit 6 located on the low-layer prefabricated composite beam 5 with the low-layer beam slab supporting member 24.

[0106] Meanwhile, similarly, as shown in the figure, Figure 3 the high-layer supporting assembly includes a high-layer beam supporting member 21 and a high-layer beam slab supporting member 22. At least one side of the opposite sides of the prefabricated column is provided with the high-layer beam supporting member 21. The two ends of the high-layer prefabricated composite beam 4 are respectively erected on the high-layer beam supporting member 21 of the adjacent prefabricated column. The high-layer beam slab supporting member 22 is arranged on the side of the prefabricated column adjacent to the high-layer beam supporting member 21, and the high-layer beam slab supporting member 22 corresponds to the prefabricated beam slab unit 6.

[0107] In the present embodiment, the construction process of a double-layer or staggered-layer combined frame is as follows:

[0108] First, all the prefabricated columns are arranged in an array at the construction site;

[0109] In the present embodiment, as shown in Figure 7 and Figure 17 , prefabricated pedestals 1 are first arranged on site, and then prefabricated columns are installed one by one on the prefabricated pedestals 1; how many prefabricated high columns 2 and how many prefabricated low columns are selected depends on the actual construction of the combined frame drawing, for example:

[0110] If it is a double-layer combined frame, prefabricated high columns 2 are laid, and at least part of the prefabricated high columns 2 is provided with a low-layer bearing assembly according to the arrangement requirements of the low-layer prefabricated beam slab assembly;

[0111] If it is a staggered-layer combined frame, one column of prefabricated short columns 3 and two columns of prefabricated high columns 2 are laid, the prefabricated high columns 2 and the prefabricated short columns 3 correspond one by one, and both are provided with a low-layer bearing assembly.

[0112] Then, the low-layer prefabricated beam slab assembly is installed on the low-layer bearing assembly of the adjacent prefabricated columns, and then concrete is poured on the low-layer prefabricated beam slab assembly to form a low-layer cast-in-place concrete surface layer 7;

[0113] In the double-layer combined frame, as shown in Figure 8 , the extension part 51 of the low-layer prefabricated composite beam 5 is respectively placed on the low-layer beam bearing part 23 of the left and right adjacent two prefabricated high columns 2;

[0114] In the staggered-layer combined frame, as shown in the figure, the extension part 51 of the low-layer prefabricated composite beam 5 is placed on the low-layer beam bearing part 23 of the prefabricated high column 2, and the other end of the low-layer prefabricated composite beam 5 is placed on the secondary beam bearing part 31 of the prefabricated short column 3; wherein the low-layer beam outer steel bar 54 of the low-layer prefabricated composite beam 5 extends into the area where the second column outer steel bar 33 is located;

[0115] Then, in the double-layer combined frame, as shown in Figure 9 , the support beam 62 of the prefabricated beam slab unit 6 is erected on the low-layer bearing groove 52 of the low-layer prefabricated composite beam 5 and the low-layer beam slab bearing part 24;

[0116] In the staggered-layer combined frame, as shown in Figure 18 , the support beam 62 of the prefabricated beam slab unit 6 is erected on the low-layer bearing groove 52 of the low-layer prefabricated composite beam 5, the secondary beam bearing part 31 and the secondary beam slab bearing part 32, wherein the beam slab outer steel bar 63 of the support beam 62 extends into the area where the second column outer steel bar 33 is located;

[0117] Finally, the high-level prefabricated beam plate assembly is installed on the high-level bearing assembly of the adjacent prefabricated column, and then the concrete is poured on the high-level prefabricated beam plate assembly to form a low-level high-level cast-in-situ concrete surface layer 7.

[0118] In the double-layer combined frame, as shown in Figure 11 , the high-level prefabricated composite beam 4 is placed on the high-level beam bearing part 21 of the left and right adjacent two prefabricated high columns 2, and the high-level beam external reinforcement 41 of the high-level prefabricated composite beam 4 extends into the area where the first column external reinforcement 25 is located.

[0119] In the staggered-layer combined frame, as shown in Figure 18 , the high-level prefabricated composite beam 4 is placed on the high-level beam bearing part 21 of the left and right adjacent two prefabricated high columns 2, and the high-level beam external reinforcement 41 of the high-level prefabricated composite beam 4 extends into the area where the first column external reinforcement 25 is located.

[0120] Then, in the double-layer combined frame, as shown in Figure 12 , the support beam 62 of the prefabricated beam plate unit 6 is erected on the high-level bearing groove 43 of the high-level prefabricated composite beam 4 and the high-level beam plate bearing part 22; wherein the beam plate external reinforcement 63 of the support beam 62 extends into the area where the first column external reinforcement 25 is located.

[0121] In the staggered-layer combined frame, as shown in Figure 18 , the support beam 62 of the prefabricated beam plate unit 6 is erected on the high-level bearing groove 43 of the high-level prefabricated composite beam 4 and the high-level beam plate bearing part 22; wherein the beam plate external reinforcement 63 of the support beam 62 extends into the area where the first column external reinforcement 25 is located.

[0122] Please refer to Figure 3 , Figure 4 , Figure 6 , Figure 15 and Figure 16 , the second embodiment of the utility model is:

[0123] A double-layer or staggered-layer combined frame, on the basis of the above-mentioned first embodiment, further comprises a first column external reinforcement 25 and a second column external reinforcement 33; the high-level bearing assembly is arranged on the top side wall of the prefabricated column, and the first column external reinforcement 25 is located on the top of the prefabricated high column 2; the high-level prefabricated composite beam 4 is provided with a high-level beam external reinforcement 41 and a beam end shear key groove 42 at both ends, the high-level beam external reinforcement 41 corresponds to the first column external reinforcement 25 one by one and is staggered with each other; the high-level prefabricated composite beam 4 is provided with a high-level beam stirrup 44.

[0124] The low layer prefabricated composite beam 5 on the prefabricated high column 2 is embedded with I-shaped steel 53 and low layer beam hoop 55, and the I-shaped steel 53 has an extension 51 at both ends of the low layer prefabricated composite beam 5; the low layer prefabricated composite beam 5 on the prefabricated low column 3 is respectively provided with a low layer beam external reinforcement 54 and an extension 51 at both ends, and the prefabricated low column 3 is provided with a second column external reinforcement 33 at the top, and the low layer beam external reinforcement 54 and the second column external reinforcement 33 are staggered with each other.

[0125] Please refer to Figure 5 Embodiment three of the utility model is:

[0126] A double-layer or staggered combined frame, on the basis of the above-mentioned embodiment two, the prefabricated beam plate unit 6 includes a flat plate 61 and a support beam 62 arranged on the opposite sides of the flat plate 61, and the support beam 62 is provided with longitudinal beam hoop 64; the flat plate 61 is provided with truss reinforcement 65 perpendicular to the support beam 62 in an array, at least two flat plates 61 are laid between the mutually parallel high layer prefabricated composite beams 4, and the high layer prefabricated composite beams 4 are provided with high layer bearing grooves 43; the support beam 62 is correspondingly arranged on the high layer bearing groove 43 or high layer bearing assembly; the support beam 62 is provided with beam plate external reinforcement 63 at both ends corresponding to the high layer bearing assembly, the beam plate external reinforcement 63 penetrates into the area where the first column external reinforcement 25 is located, and the support beam 62 is provided with a groove 66 at the top corner.

[0127] In summary, the double-layer or staggered combined frame provided by the utility model can realize the rapid installation and pouring of the prefabricated beam plate assembly of the high and low layers continuously or simultaneously without waiting for the pouring and complete solidification of a layer before the construction work of the upper layer is carried out, thereby reducing the construction cost and improving the on-site construction speed of the corresponding multi-layer building.

[0128] The above-mentioned embodiments are only examples of the utility model, and do not limit the patent range of the utility model, and any equivalent transformation or direct or indirect application in the related technical field according to the content of the utility model specification and drawings is also included in the patent protection range of the utility model.

Claims

1. A double-layer or staggered-layer composite frame, characterized in that, This includes precast columns, high-rise precast beam and slab assemblies, and low-rise precast beam and slab assemblies; The prefabricated columns are arranged in an array, and each prefabricated column is provided with at least one of a high-rise support component and a low-rise support component; The high-rise support components of adjacent precast columns jointly support a high-rise precast beam-slab assembly, and the low-rise support components of adjacent precast columns jointly support a low-rise precast beam-slab assembly.

2. A double-layer or staggered-layer composite frame according to claim 1, characterized in that, Only one of the prefabricated columns of the low-level support component is a prefabricated short column, and the prefabricated columns of both the high-level support component and the low-level support component are prefabricated tall columns. The low-level support component is located on top of the precast short column, and the low-level support component of the precast short column and the low-level support component of the precast tall column together support one of the low-level precast beam-slab components.

3. A double-layer or staggered-layer composite frame according to claim 2, characterized in that, The high-rise precast beam-slab assembly includes high-rise precast composite beams and precast beam-slab units; The high-rise precast composite beam is erected on the high-rise support component of the adjacent precast column; The precast beam-slab unit is simultaneously erected on the high-rise support assembly of two parallel high-rise precast composite beams and adjacent precast columns.

4. A double-layer or staggered-layer composite frame according to claim 3, characterized in that, The low-rise precast beam-slab assembly includes low-rise precast composite beams and precast beam-slab units; The two ends of the low-rise precast composite beam are supported on the low-rise support components of the adjacent precast columns. The precast beam-slab unit is simultaneously erected on the low-level support components of two parallel low-level precast composite beams and adjacent precast columns.

5. A double-layer or staggered-layer composite frame according to claim 4, characterized in that, The low-rise support components include low-rise beam support components and low-rise beam-slab support components; The low-level beam support is provided on at least one of the opposite sides of the precast column, and the two ends of the low-level precast composite beam are respectively supported on the low-level beam support of the adjacent precast column. The low-rise beam support is disposed on the side of the precast column adjacent to the low-rise beam support, and the low-rise beam support corresponds to the precast beam unit.

6. A double-layer or staggered-layer composite frame according to claim 3, characterized in that, The high-rise support components include high-rise beam support components and high-rise beam-slab support components; The high-rise beam support is provided on at least one of the opposite sides of the precast column, and the two ends of the high-rise precast composite beam are respectively supported on the high-rise beam support of the adjacent precast column. The high-rise beam and slab support is installed on the precast column on the side adjacent to the high-rise beam support, and the high-rise beam and slab support corresponds to the precast beam and slab unit.

7. A double-layer or staggered-layer composite frame according to claim 3, characterized in that, It also includes the outward-extending reinforcing bars of the first column; The high-rise support component is disposed on the top side of the precast column, and the first column outward reinforcing bar is located at the top of the precast high-rise column; The high-rise precast composite beam is provided with high-rise beam extended reinforcing bars and beam end shear keyways at both ends. The high-rise beam extended reinforcing bars correspond one-to-one with the first column extended reinforcing bars and are interleaved with each other.

8. A double-layer or staggered-layer composite frame according to claim 5, characterized in that, The low-level precast composite beam located on the precast high column is equipped with I-beams and low-level beam stirrups, and the I-beams have extensions at both ends of the low-level precast composite beam; The two ends of the low-rise precast composite beam located on the precast short column are respectively provided with low-rise beam extended steel bars and the extension portion. The top of the precast short column is provided with second column extended steel bars. The low-rise beam extended steel bars and the second column extended steel bars are intertwined.

9. A double-layer or staggered-layer composite frame according to claim 7, characterized in that, The precast beam-slab unit includes a flat plate and supporting beams disposed on opposite sides of the flat plate; The flat plate is provided with truss steel bars perpendicular to the supporting beam, and at least two flat plates are laid between the high-rise precast composite beams that are parallel to each other. The high-rise precast composite beams are provided with high-rise support grooves. The support beam is correspondingly mounted on the high-rise support groove or the high-rise support assembly; The supporting beams on the high-rise support assembly are provided with beam-slab extended reinforcing bars at both ends, and the beam-slab extended reinforcing bars pass through the area where the first column extended reinforcing bars are located.

10. A double-layer or staggered-layer composite frame according to claim 4, characterized in that, The low-level precast composite beam is provided with a low-level support groove corresponding to the precast beam slab unit.

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