CN114411472B

CN114411472B - Assembled square ground structure on basement roof and construction method thereof

Info

Publication number: CN114411472B
Application number: CN202210116624.4A
Authority: CN
Inventors: 陈少刚; 朱秀方; 唐浩铭; 韦年达; 徐珍; 张晓�; 王腾
Original assignee: China Construction Eighth Engineering Division Co Ltd
Current assignee: China Construction Eighth Engineering Division Co Ltd
Priority date: 2022-02-07
Filing date: 2022-02-07
Publication date: 2023-05-02
Anticipated expiration: 2042-02-07
Also published as: CN114411472A

Abstract

The invention discloses an assembled square ground structure on a basement roof and a construction method thereof, wherein the assembled square ground structure comprises an arch frame assembly (1), a horizontal support (2), an arch wedge assembly (3), a surface bracket assembly (4) and a surface facing (5); the arch assembly is connected into an arch row unit with a straight-line structure, a plurality of arch row units are distributed on a basement top plate (6), a horizontal brace is connected with two arch row units, a plurality of arc grooves (30) are formed in the bottom of the arch wedge assembly and are matched and embedded with the arch assembly, the arch wedge assembly is horizontally erected on the arch row unit, the surface layer bracket assembly is arranged on the arch wedge assembly, and a surface layer facing is paved on the surface layer bracket assembly. The invention can uniformly disperse and reduce the load of the basement roof, has convenient ground structure disassembly and assembly and simple construction procedures, and is beneficial to repairing the basement roof.

Description

Assembled square ground structure on basement roof and construction method thereof

Technical Field

The invention relates to a ground structure and a construction method thereof, in particular to an assembled square ground structure on a basement roof and a construction method thereof.

Background

In the construction of building engineering such as modern residential houses and CBD business centers, the body and shadow of outdoor squares are already visible everywhere, and most of the outdoor squares are designed to be arranged on the top plate of the basement. The existing construction method for setting squares above the basement top plate is as follows: and after the waterproof engineering construction of the basement roof is finished, backfilling earthwork (or light materials) and compacting, pouring a cushion layer, and finally constructing a surface layer.

The existing construction method for setting squares above the basement roof has the following defects: 1. the compaction of backfill soil, which is heavy, increases the load of the basement roof, resulting in improved construction costs and increased earth costs. 2. If leakage points exist on the top plate of the basement, the repair of the leakage points is difficult. 3. The construction procedures are as follows: pouring a concrete cushion layer, stirring dry hard mortar of a surface layer, backfilling and compacting earthwork and the like, and more mechanical equipment and materials are involved in each working procedure.

Disclosure of Invention

The invention aims to provide an assembled square ground structure on a basement roof and a construction method thereof, which can uniformly disperse and reduce the load of the basement roof, and the ground structure is convenient to assemble and disassemble and simple in construction process, thereby being beneficial to repairing the basement roof.

The invention is realized in the following way:

an assembled square ground structure on a basement roof comprises an arch frame assembly, a horizontal support, an arch wedge assembly, a surface layer bracket assembly and a surface layer facing; the arch frame assemblies are sequentially connected into arch frame row units with a straight-line structure, and the arch frame row units are respectively and alternately distributed on the waterproof protective layer of the basement top plate; each arch frame component of each two adjacent arch frame row units is arranged in a staggered way, two ends of the horizontal support are respectively connected with the arch frame components of each two adjacent arch frame row units, and the horizontal support is arranged vertically to the arch frame row units; the bottom of the arch wedge component is provided with a plurality of arc grooves at intervals, and the arc grooves can be matched and embedded with the arch of the arch frame component, so that the arch wedge component is horizontally erected on the arch frame row unit; the top surface of the arch wedge component is of a plane structure, the surface layer bracket component is arranged on the arch wedge component, and the surface layer facing is paved on the surface layer bracket component.

The arch frame assembly comprises arch springing, arch surfaces and arch pulling pieces; the arch surface is in an arch structure and is erected between the arch feet, and the arch pulling piece is horizontally tied between the inner walls of the two sides of the bottom of the arch surface; the arch wedge component is erected on the arch surface, and the horizontal support is connected with the middle part of the arch surface.

The arch springing, the arch surface and the arch pulling piece are of an integrated reinforced concrete structure, and ribbed steel bars are arranged in the arch springing, the arch surface and the arch pulling piece.

The horizontal support is arranged in a spanning mode, namely one end of the horizontal support is connected with the arch face of the nth arch bar row unit, the other end of the horizontal support is connected with the arch face of the nth+arch bar row unit, and the middle part of the horizontal support penetrates through a gap between two adjacent arch faces in the nth+arch bar row unit.

The arch wedge assembly comprises a flat plate part and side wings, and a plurality of side wings are sequentially connected to the bottom of the flat plate part; each side wing is in an inverted triangle structure, and an arc-shaped groove is formed between two adjacent side wings, so that the flat plate part can be erected on the arch surface of the arch frame assembly in a matched manner through the arc-shaped groove; the facing bracket assembly is mounted on the flat plate portion.

The width of the flank is consistent with the width of the arch surface of the arch frame assembly.

The flat plate part is provided with a plurality of arch wedge holes at intervals, and the horizontal support is arranged on the flat plate part in a penetrating way through the arch wedge holes.

The surface layer bracket assembly comprises a bracket main body, a bracket drainage groove and stress rods, wherein the bracket main body is of a frame type structure, and a plurality of stress rods are respectively arranged in the bracket main body at intervals; the bracket main body is fixedly arranged on the flat plate part of the arch wedge assembly, and bracket drainage grooves are formed in the bottoms of two sides of the bracket main body; the facing is laid on the bracket bodies with the gap between two adjacent bracket bodies being located directly above the bracket drainage channel which is connected to the drainage system.

The length direction of the stress rod is perpendicular to the length direction of the arch bar row units.

A construction method of an assembled square ground structure on a basement roof comprises the following steps:

step 1: after the construction of the waterproof protective layer of the basement roof is finished, the installation position of the arch frame assembly is positioned on the waterproof protective layer by a spring line;

step 2: installing arch frame assemblies on the waterproof protective layer of the basement roof to form a plurality of rows of arch frame row units which are uniformly distributed;

step 3: a horizontal brace is arranged across the rows, so that the horizontal brace is vertically connected between arch faces of arch frame assemblies of arch frame row units of the separation rows;

step 4: the arch wedge assemblies are arranged on the arch frame row units in a matching way through the arc grooves, so that the side wings of the arch wedge assemblies are arranged at the notches between the arch faces of two adjacent groups of arch frame assemblies, and the flat plate parts of the arch wedge assemblies are horizontally arranged at the tops of the arch faces of the arch frame assemblies;

step 5: checking that the installation of all arch frame assemblies, horizontal supports and arch wedge assemblies is stable, and then performing hydro-electric installation;

step 6: the bracket main body of the surface layer bracket assembly is fixed on the flat plate part of the arch wedge assembly, and bracket drainage grooves are reserved on two sides of the bracket main body of the surface layer bracket assembly;

step 7: paving the surface finish on the bracket main body and the stress rod of the surface bracket assembly to complete assembly construction of the square ground.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention adopts the arch frame component, the horizontal support and the arch wedge component, the arch faces of the arch frame and the arch wedge are utilized to uniformly disperse the load, the integrity and the structural stability of the arch frame component are improved through the horizontal support, the stress safety of the basement roof can be ensured, the earth backfill is not needed, the load of the basement roof is reduced, and the safety of the basement roof is improved.

2. The surface layer bracket assembly is arranged, so that the paving evenness and the stability of the surface layer facing can be ensured, the ground load transmission is ensured through the bracket main body and the stressed rod, meanwhile, the drainage of the square ground is ensured through the reserved bracket drainage groove, and the construction quality of the square ground is improved.

3. The invention adopts the shaping components to carry out assembly type construction, greatly simplifies the construction flow, reduces the construction cost, is beneficial to improving the construction quality and the construction efficiency, has convenient disassembly and assembly of square ground structures, and is beneficial to repairing the basement top plate.

Drawings

FIG. 1 is an elevational schematic view of an assembled square floor construction on a basement roof of the present invention;

FIG. 2 is a schematic plan view of an assembled square floor construction on a basement roof of the present invention;

FIG. 3 is an elevational cross-sectional view of an arch assembly in an assembled square floor construction on a basement roof of the present invention;

FIG. 4 is a perspective view of an arch wedge assembly in an assembled square floor construction on a basement roof of the present invention;

FIG. 5 is a plan view of a face bracket assembly in an assembled square floor construction on a basement roof of the present invention;

FIG. 6 is a construction elevation view of step 2 of the construction method of the assembled square floor construction on the basement roof of the present invention;

FIG. 7 is a plan view of the construction of step 3 in the method of constructing an assembled square floor construction on a basement roof of the present invention;

FIG. 8 is a construction elevation view of step 4 of the construction method of the assembled square floor construction on the basement roof of the present invention;

FIG. 9 is a plan sectional view of the construction of step 6 in the method of constructing an assembled square floor construction on a basement roof of the present invention; .

In the figure, 1 arch frame component, 10 ribbed steel bar, 11 arch leg, 12 arch surface, 13 arch pull piece, 2 horizontal brace, 3 arch wedge component, 30 arc groove, 31 flat plate part, 32 flank, 4 surface layer bracket component, 41 bracket main body, 42 bracket drainage channel, 43 stress rod, 5 surface layer facing, 6 basement roof.

Detailed Description

The invention will be further described with reference to the drawings and the specific examples.

Referring to fig. 1 and 2, an assembled square floor structure on a basement roof comprises an arch frame assembly 1, a horizontal brace 2, an arch wedge assembly 3, a surface layer bracket assembly 4 and a surface layer facing 5; the arch frame assemblies 1 are sequentially connected into arch frame row units with a straight-line structure, and the arch frame row units are respectively and alternately distributed on the waterproof protection layer of the basement roof 6; each arch frame component 1 of two adjacent arch frame row units is arranged in a staggered way, two ends of the horizontal support 2 are respectively connected with the arch frame components 1 of two of the two arch frame row units, and the horizontal support 2 is arranged vertically to the arch frame row units; a plurality of arc grooves 30 are formed at intervals at the bottom of the arch wedge assembly 3, and the arc grooves 30 can be matched and embedded with the arch of the arch frame assembly 1, so that the arch wedge assembly 3 is horizontally erected on the arch frame row unit; the top surface of the arch wedge assembly 3 is of a plane structure, the surface layer bracket assembly 4 is arranged on the arch wedge assembly 3, and the surface layer facing 5 is paved on the surface layer bracket assembly 4. The load of the facing 5 is transferred downwards to the arch wedge assembly 3 through the facing bracket assembly 4, and then transferred to the arch frame assembly 1 through the arch wedge assembly 3, and the load is uniformly dispersed to the basement roof 6 through the arch structure and the inverted arch structure. Meanwhile, the arch wedge assembly 3 and the arch frame assembly 1 are high in structural strength, the arch frame assembly 1 is pulled through the horizontal support 2, earth backfill construction can be replaced, and the use safety and the surface smoothness of the square ground are ensured.

Referring to fig. 1 to 3, the arch assembly 1 includes a leg 11, a face 12 and a pull 13; the arch surface 12 is in an arch structure and is erected between the arch legs 11, and the arch pulling piece 13 is horizontally tied between the inner walls of the two sides of the bottom of the arch surface 12; the arch wedge assembly 3 is erected on the arch surface 12, and the horizontal brace 2 is connected with the middle part of the arch surface 12. The arch structure of the arch surface 12 has strong loading capacity, and the arch frame rows of units are integrally tied through the horizontal support 2, so that the safety of the square ground is ensured.

The arch springing 11, the arch surface 12 and the arch pulling piece 13 are of an integrated reinforced concrete structure, and the ribbed steel bars 10 are arranged in the arch springing 11, the arch surface 12 and the arch pulling piece 13, so that the structure is high in strength, can be prefabricated and formed in a standardized mode, and is convenient to install.

Preferably, the width of the arch 12 is 300mm, the thickness is 80mm, and the height of the arch 12 can be designed according to actual load requirements, space requirements and the like. The width of the arch leg 11 is consistent with the width of the arch face 12 and is 300mm, the setting stability and the compression stability of the arch face 12 can be improved, and the length and the height of the arch leg 11 can be adjusted according to practical conditions. The number and arrangement of the ribbed bars 10 is designed and arranged according to the load requirements of the arch assembly 1.

The horizontal support 2 is arranged in a crossing way, namely one end of the horizontal support 2 is connected with the arch face 12 of the nth arch bar row unit, the other end of the horizontal support 2 is connected with the arch face 12 of the (n+2) th arch bar row unit, and the middle part of the horizontal support 2 passes through a gap between two adjacent arch faces 12 in the (n+1) th arch bar row unit. n is a natural number, and the multiple rows of arch frame row units are connected into an integral structure through the horizontal support 2, so that the structural strength and the load capacity of the arch frame row units can be greatly enhanced.

Referring to fig. 1, 2 and 4, the arch wedge assembly 3 includes a flat plate portion 31 and side wings 32, and a plurality of side wings 32 are sequentially connected to the bottom of the flat plate portion 31; each side wing 32 is in an inverted triangle structure, and an arc-shaped groove 30 is formed between two adjacent side wings 32, so that a flat plate part 31 can be erected on the arch surface 12 of the arch frame assembly 1 in a matched manner through the arc-shaped groove 30; the cover bracket assembly 4 is mounted on the flat plate portion 31. The flat plate part 31 transmits the upper load to the top of the arch surface 12, and downwards distributes the arch surface 12 to the arch legs 11 on two sides, and finally uniformly distributes the upper load to the basement roof 6, so that the load of the basement roof 6 is reduced, and the load multistage transmission and stress uniformity of the basement roof 6 are ensured.

The width of the side wings 32 is consistent with the width of the arch surface 12 of the arch assembly 1, so that the erection stability of the arch wedge assembly 3 on the arch row unit is ensured.

The flat plate part 31 is provided with a plurality of arch wedge holes 33 at intervals, and the horizontal support 2 is arranged on the flat plate part 31 in a penetrating way through the arch wedge holes 33, so that the horizontal support 2 and the flat plate part 31 are prevented from interfering with each other.

Preferably, the flat plate portion 31 and the side wings 32 may be made of an integrated prefabricated member made of industrial waste or renewable materials, the width of the arch wedge assembly 3 is 300mm, the length of the arch wedge assembly 3 may be determined according to the length of the arch bar unit, and the height of the arch wedge assembly 3 may be determined according to design requirements. The edge covering can be arranged outside the arch wedge assembly 3, so that the service life of the arch wedge assembly 3 is prolonged.

Referring to fig. 1, 2 and 5, the surface layer bracket assembly 4 includes a bracket main body 41, a bracket drainage slot 42 and a force-bearing rod 43, wherein the bracket main body 41 is in a frame structure, and a plurality of force-bearing rods 43 are respectively arranged in the bracket main body 41 at intervals; the bracket main body 41 is fixedly arranged on the flat plate part 31 of the arch wedge assembly 3 by means of a fixing clamp and the like, and bracket drainage grooves 42 are formed in the bottoms of two sides of the bracket main body 41; the facing 5 is laid on the bracket bodies 41 with the gap between adjacent two bracket bodies 41 being located directly above the bracket drain channel 42, the bracket drain channel 42 being connected to a drain system. The laying stability and the flatness of the surface finish 5 are guaranteed through the bracket main body 41 and the stress rod 43, a gap between the surface finish 5 can be used for guiding flow, water is guided to the bracket drainage groove 42 and discharged, and water accumulation on the ground of a square is prevented.

The length direction of the stress rod 43 is perpendicular to the length direction of the arch bar unit, so that the surface layer bracket assembly 4 and the arch bar assembly 1 form stress in the longitudinal and transverse directions, and the stress of the ground structure of the whole square is uniform and stable.

Preferably, the bracket main body 41 can be a finished product member formed by prefabricating solid alloy or solid hard plastic, the stress rod 43 can be hollow square steel made of alloy material, the size and shape of the bracket main body 41 and the number of the stress rods 43 can be determined according to the size, shape and material of the surface finish 5, and the paving smoothness and stability of the surface finish 5 are ensured.

Referring to fig. 1 and 2, a construction method of an assembled square ground structure on a basement roof includes the following steps:

step 1: after the construction of the waterproof protective layer of the basement roof 6 is completed, the installation position of the arch frame assembly 1 is positioned by a spring line on the waterproof protective layer.

Referring to fig. 1, fig. 2 and fig. 6, step 2: the arch assembly 1 is arranged on the waterproof protective layer of the basement roof 6 to form a plurality of rows of arch row units which are uniformly distributed. In the same arch row units, two adjacent arch assemblies 1 are closely abutted, and the spacing between the adjacent arch row units is determined according to the material of the facing 5.

Please refer to fig. 1, fig. 2 and fig. 7, step 3: the horizontal braces 2 are arranged across the rows, so that the horizontal braces 2 are vertically connected between the arches 12 of the arch bar assemblies 1 of the arch bar units of the partition rows. The horizontal brace 2 is used for connecting arch frame row units of each row, so that the overall stability of the arch frame row units is enhanced.

Referring to fig. 1, fig. 2 and fig. 8, step 4: the arch wedge assemblies 3 are arranged on the arch bar units in a matching way through the arc-shaped grooves 30, so that the side wings 32 of the arch wedge assemblies 3 are arranged at the notches between the arch faces 12 of two adjacent groups of arch assemblies 1, and the flat plate parts 31 of the arch wedge assemblies 3 are horizontally arranged on the tops of the arch faces 12 of the arch assemblies 1. By matching and embedding the arch surface, the notch and other structures, the relative stability of the arch wedge assembly 3 and the arch frame assembly 1 is ensured, and the safety of the whole structure is ensured.

Step 5: checking whether the arrangement of all arch frame assemblies 1, horizontal supports 2 and arch wedge assemblies 3 is stable or not, and ensuring that the construction can be carried out after the structure is stable.

Referring to fig. 1, fig. 2 and fig. 9, step 6: the upper surface layer bracket assembly 4 is mounted on the arch wedge assembly 3, the bracket main body 41 of the upper surface layer bracket assembly 4 is fixed on the flat plate part 31 of the arch wedge assembly 3 by a fixed clamp according to a fixed interval, and bracket drainage grooves 42 are reserved on two sides of the bracket main body 41 of the upper surface layer bracket assembly 4.

Referring to fig. 1 and 2, step 7: the surface finish 5 is paved on the bracket main body 41 and the stress rod 43 of the surface bracket assembly 4, so that the assembly construction of the square ground is completed.

The foregoing description of the preferred embodiments of the invention is not intended to limit the scope of the invention, and therefore, any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. An assembled square ground structure on basement roof, characterized by: comprises an arch frame component (1), a horizontal brace (2), an arch wedge component (3), a surface layer bracket component (4) and a surface layer facing (5); the arch frame assemblies (1) are sequentially connected into arch frame row units with a straight-line structure, and the arch frame row units are respectively and alternately distributed on the waterproof protection layer of the basement top plate (6); each arch frame component (1) of each two adjacent arch frame row units is arranged in a staggered mode, two ends of each horizontal support (2) are respectively connected with the arch frame components (1) of each two adjacent arch frame row units, and each horizontal support (2) is arranged vertically to each arch frame row unit; a plurality of arc grooves (30) are formed at intervals at the bottom of the arch wedge assembly (3), and the arc grooves (30) can be matched and embedded with the arch of the arch frame assembly (1), so that the arch wedge assembly (3) is horizontally erected on the arch frame row unit; the top surface of the arch wedge assembly (3) is of a plane structure, the surface layer bracket assembly (4) is arranged on the arch wedge assembly (3), and the surface layer facing (5) is paved on the surface layer bracket assembly (4);

the arch frame assembly (1) comprises arch legs (11), arch surfaces (12) and arch pull pieces (13); the arch legs (11) are respectively arranged on the waterproof protection layers of the basement roof (6), the arch surface (12) is in an arch structure and is erected between the arch legs (11), and the arch pulling piece (13) is horizontally tied between the inner walls of the two sides of the bottom of the arch surface (12); the arch wedge assembly (3) is erected on the arch surface (12), and the horizontal support (2) is connected with the middle part of the arch surface (12);

the horizontal support (2) is arranged in a crossing way, namely one end of the horizontal support (2) is connected with the arch surface (12) of the nth arch bar row unit, the other end of the horizontal support (2) is connected with the arch surface (12) of the (n+2) th arch bar row unit, and the middle part of the horizontal support (2) passes through a gap between two adjacent arch surfaces (12) in the (n+1) th arch bar row unit;

the arch wedge assembly (3) comprises a flat plate part (31) and side wings (32), and a plurality of side wings (32) are sequentially connected to the bottom of the flat plate part (31); each flank (32) is in an inverted triangle structure, and an arc-shaped groove (30) is formed between two adjacent flanks (32), so that the flat plate part (31) can be erected on the arch surface (12) of the arch frame assembly (1) in a matched manner through the arc-shaped groove (30); the surface layer bracket component (4) is arranged on the flat plate part (31);

the surface layer bracket assembly (4) comprises a bracket main body (41), a bracket drainage groove (42) and stress rods (43), wherein the bracket main body (41) is of a frame structure, and a plurality of stress rods (43) are respectively arranged in the bracket main body (41) at intervals; the bracket main body (41) is fixedly arranged on the flat plate part (31) of the arch wedge assembly (3), and bracket drainage grooves (42) are formed in the bottoms of two sides of the bracket main body (41); the facing (5) is laid on the bracket bodies (41) with the gap between two adjacent bracket bodies (41) being located directly above the bracket drainage channel (42), the bracket drainage channel (42) being connected to the drainage system.

2. The assembled square floor construction on a basement roof of claim 1, wherein: the arch leg (11), the arch surface (12) and the arch pulling piece (13) are of an integrated reinforced concrete structure, and ribbed steel bars (10) are arranged in the arch leg (11), the arch surface (12) and the arch pulling piece (13).

3. The assembled square floor construction on a basement roof of claim 1, wherein: the width of the flank (32) is consistent with the width of the arch surface (12) of the arch assembly (1).

4. The assembled square floor construction on a basement roof of claim 1, wherein: a plurality of arch wedge holes (33) are formed on the flat plate part (31) at intervals, and the horizontal support (2) is penetrated on the flat plate part (31) through the arch wedge holes (33).

5. The assembled square floor construction on a basement roof of claim 1, wherein: the length direction of the stress rod (43) is perpendicular to the length direction of the arch bar unit.

6. A method of constructing an assembled square floor construction on a basement roof as defined in claim 5, wherein: the method comprises the following steps:

step 1: after the construction of the waterproof protection layer of the basement roof (6) is finished, the installation position of the arch frame assembly (1) is positioned on the waterproof protection layer in a springing line manner;

step 2: an arch assembly (1) is arranged on a waterproof protective layer of a basement roof (6) to form a plurality of rows of arch bars arranged units which are uniformly distributed;

step 3: a horizontal brace (2) is arranged across the rows, so that the horizontal brace (2) is vertically connected between arch faces (12) of arch frame assemblies (1) of arch frame row units of the separation rows;

step 4: the arch wedge assemblies (3) are arranged on the arch bar units in a matching way through the arc-shaped grooves (30), so that side wings (32) of the arch wedge assemblies (3) are arranged at notches between arch faces (12) of two adjacent groups of arch assemblies (1), and flat plate parts (31) of the arch wedge assemblies (3) are horizontally arranged at the tops of the arch faces (12) of the arch assemblies (1);

step 5: checking that the installation of all arch frame components (1), horizontal braces (2) and arch wedge components (3) is stable and then performing hydro-electric installation;

step 6: the bracket main body (41) of the surface layer bracket assembly (4) is fixed on the flat plate part (31) of the arch wedge assembly (3), and bracket drainage grooves (42) are reserved on two sides of the bracket main body (41) of the surface layer bracket assembly (4);

step 7: the surface finish (5) is paved on a bracket main body (41) and a stress rod (43) of the surface bracket assembly (4), so that the assembly construction of the square ground is completed.