WO2022178936A1

WO2022178936A1 - Floor structure composed of prefabricated boxes

Info

Publication number: WO2022178936A1
Application number: PCT/CN2021/082918
Authority: WO
Inventors: 王勇; 部翼翔; 王功臣; 任兆卿; 赵行行; 曹哲源; 苗力元; 陈振兴; 姜亚强; 张亚军
Original assignee: 中国矿业大学
Priority date: 2021-02-23
Filing date: 2021-03-25
Publication date: 2022-09-01
Also published as: CN112746702A

Abstract

The present invention relates to the field of buildings. Disclosed is a floor structure composed of prefabricated boxes, comprising a prefabricated box array composed of a plurality of prefabricated boxes. Communicating pipes communicated with each other are connected between adjacent prefabricated boxes in the prefabricated box array; pipelines are laid in the prefabricated box array; cross beams are provided in gaps of the prefabricated box array; the plurality of prefabricated boxes have one-to-one correspondence to a plurality of beam grids of the cross beams, respectively; outer frame beams fixedly connected to the cross beams are provided on the periphery of the prefabricated box array; a plurality of peripheral prefabricated boxes located on the periphery of the prefabricated box array are all connected to webs of the outer frame beams; and pipe outlets corresponding to the pipelines are formed in the webs of the outer frame beams. In the present invention, the floor structure is structurally unitized by means of the prefabricated box array, such that damaged prefabricated boxes can be directly replaced in maintenance, without needing to replace the entire structure, thereby prolonging the long-term stable operation time of the entire structure.

Description

A floor structure composed of assembly boxes

technical field

The invention relates to the field of hollow floor structures in the field of construction, in particular to a floor structure composed of assembling boxes.

Background technique

With the improvement of construction efficiency requirements, more and more construction projects adopt assembly construction, that is, various prefabricated functional modules are assembled together on demand during construction, but due to the particularity of pipelines, it is difficult to achieve a simple overall Assembly construction, and the maintenance of assembled components after use is also difficult to achieve modularization and unitization; the current conventional operation method is to lay the pipeline under the plate, but the structure and pipeline layout of each pipeline installed separately is complicated, which is inconvenient for installation and laying and later inspection and repair. Therefore, it is now proposed to lay the pipeline inside the assembly box, which not only uses the modular division of the floor structure, but also facilitates the fixed-point inspection and maintenance of the later maintenance, so as to realize the unitized modular maintenance.

The advantages of the assembly box

The assembly box has the advantages of convenient construction, saving formwork, low cost, reducing floor height, increasing structural use space, significant economic benefits, good integrity, high rigidity, obvious sound insulation effect, obvious heat insulation effect, good impermeability, and good performance. It has the advantages of corrosion resistance, saving steel and concrete, good overall work performance, convenient disassembly and assembly, and subsequent maintenance.

SUMMARY OF THE INVENTION

In view of the above problems, the present invention achieves the purpose of modularizing the floor for easy installation and facilitating the laying of pipes by designing a floor structure composed of an assembly box.

A floor structure composed of assembly boxes includes an assembly box array composed of a plurality of assembly boxes, adjacent assembly boxes in the assembly box array are connected with interconnecting pipes, and pipelines are laid in the assembly box array , a well-shaped beam is arranged in the gap of the assembly box array, and a plurality of assembly boxes correspond to a plurality of beam grids of the well-shaped beam respectively, and the outer frame beam fixedly connected with the well-shaped beam is arranged on the periphery of the assembly box array A plurality of peripheral assembly boxes on the periphery of the assembly box array are all connected with the webs of the outer frame beams, and the webs of the outer frame beams are provided with pipe outlets corresponding to the pipelines.

Further, the plate surface of the peripheral assembly box facing the web of the outer frame beam is provided with a nozzle that is sealedly connected to the outlet, and a ring piece made of NiTi shape memory alloy is installed in the outlet.

Further, a plurality of assembling boxes are respectively correspondingly installed above the plurality of beam lattices of the well-shaped beam, and the edge of the bottom plate of the assembling box and the upper beam plate of the well-shaped beam are fixedly connected by bolts.

Further, a plurality of assembly boxes are respectively installed in a plurality of beam lattices of the well-shaped beam, the web of the well-shaped beam is provided with a web hole through which the communication pipe passes, and the top plate of the assembly box is connected to the upper surface of the well-shaped beam. Aligned horizontally, there is an upper cover plate integrally connected with the top plate above the top plate of the assembly box, the edge of the upper cover plate extends to the top of the well-shaped beam located around the assembly box, and the two adjacent upper cover plates completely cover the two adjacent upper cover plates. The upper surface of the well-shaped beam between the assembly boxes; the bottom plate of the assembly box is horizontally aligned with the lower surface of the well-shaped beam, and a lower cover plate integrally connected with the bottom plate is arranged under the bottom plate of the assembly box, and the edge of the lower cover plate extends to the position in the assembly box. Below the well-shaped beam around the box, two adjacent lower cover plates completely cover the lower surface of the well-shaped beam located between the two assembling boxes.

Further, the beam structures of the outer frame beam and the well-shaped beam are both I-beams.

Further, the edge of the bottom plate of the assembly box is installed above the upper flange of the corresponding I-beam, and the bottom plate of the assembly box and the upper flange are fixedly connected by bolts.

Further, the edge of the assembly box is embedded in the groove formed by the web of the I-beam, the upper flange and the lower flange, the top plate of the assembly box is horizontally aligned with the upper flange of the I-beam, and the edge of the top plate is provided The recessed steps in the plate, the height of the steps is the same as the thickness of the upper flange, and the two adjacent upper cover plates completely cover the upper surface of the I-beam located between the two assembly boxes; the bottom plate of the assembly box and the bottom of the I-beam The surface is horizontally aligned, the edge of the bottom plate is provided with a step recessed into the plate, the height of the step is consistent with the thickness of the lower flange, and the two adjacent lower cover plates completely cover the lower surface of the I-beam located between the two assembly boxes .

Further, the pipelines include branch pipelines respectively arranged in the corresponding assembly boxes, the branch pipelines include a plurality of inner pipes respectively connected with the communication pipes, and the plurality of inner pipes are connected through a transition joint.

Further, the pipeline is a smoke exhaust pipeline, the bottom plate of the assembly box with the branch pipeline is arranged with an inlet pipe connected with the branch pipeline, and the branch pipeline is provided with an inner pipe connected with the inlet pipe.

Further, the top plate of the assembly box is provided with a baffle that can be opened, the top plate corresponding to the edge of the baffle is provided with a step that protrudes outward, the bottom of the edge of the baffle is erected on the step, and the edge of the baffle passes through the baffle. Embedded bolts make the baffle fixed to the step

Compared with the prior art, the advantages of the present invention are as follows:

1. In the present invention, the structure of the floor cover is unitized through the assembly box array, and the damaged assembly box can be directly replaced during maintenance, without the need for overall replacement, and the overall long-term stable operation time is improved;

2. The present invention can install air conditioners, exhaust fans, heat insulation panels, etc. in the beam lattice below the assembly box by installing the assembly box on the top of the well-shaped beam, and this structure is suitable for the floor structure on the top of the building;

3. The present invention has the advantage of improving the overall structural strength of the floor by installing the assembly box in the lattice of the well-shaped beam, which is suitable for the floor structure located in the middle floor of the building;

4. In the present invention, the assembly box is modularized and unitized by arranging pipelines in the assembly box, which is beneficial to the later pipeline replacement and maintenance.

5. In the present invention, a smoke exhaust pipe is arranged in the assembly box array, an outlet is arranged on the outer frame beam, and a ring piece made of nickel-titanium-niobium shape memory alloy is installed in the outlet, so that the size of the smoke exhaust hole can be adjusted by temperature. When the floor structure encounters a fire, the temperature gradually increases from low to high, and the generated flue gas is also proportional to the temperature change. The ring hole of the sheet is gradually enlarged, and the amount of smoke exhausted in the smoke exhaust pipe can be increased with the expansion of the ring hole.

6. In the present invention, the assembly box is installed in the beam grid, and the upper cover plate and the lower cover plate covering the well-shaped beam are arranged on both sides of the assembly box, so as to delay the time for the well-shaped beam to be exposed to fire, thereby maintaining the overall structure of the floor. The structure is not broken.

7. In the present invention, an openable baffle or plate is arranged on the top plate of the assembly box, and the pipeline can be repaired by opening the assembly box at the position of the pipeline where the fault occurs. The size of the baffle or plate is based on the structural force requirements and the actual operation space, etc. Ask to be sure.

Description of drawings

Fig. 1 is the structure diagram of the present invention;

Fig. 2 is a positional relationship diagram of the outer frame beam and the peripheral assembly box;

Fig. 3 is another positional relationship diagram of the outer frame beam and the peripheral assembly box;

Fig. 4 is the structural diagram of the assembly box and the pipeline in the assembly box;

Fig. 5 is the structure diagram that the assembly box is installed above the I-beam girder;

Fig. 6 is the structural drawing that the assembly box is embedded in the I-beam girder;

Fig. 7 is the three-dimensional structural diagram of the beam lattice of the I-beam structure;

Figure 8 is a structural diagram of the outlet in the outer frame beam web;

FIG. 9 is a structural diagram of the top plate and the top plate of the assembling box.

Reference number:

1. Assembly box; 2. Connecting pipe; 3. Well-shaped beam; 31. Beam lattice; 4. Outer frame beam; 41. Side beam; 5. Peripheral assembly box; 6. Outlet; 7. Take over; 8. Web hole; 9, upper cover plate; 10, lower cover plate; 11, branch line; 12, inner pipe; 13, adapter; 14, ring piece; 15, inlet pipe; 16, reinforcing steel bar; 17, top plate; 18. Baffle.

Detailed ways

The technical solutions of the invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the invention, not all of the embodiments.

Based on the embodiments in the invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the invention.

In the description of the invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate The orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection , or integrally connected; it can be a mechanical connection or a welded connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication of the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the invention can be understood in specific situations.

In the description of the invention, it should be noted that, unless otherwise expressly specified and limited, the term "pipe" should be understood in a broad sense, for example, it can be a smoke exhaust pipe, a ventilation pipe, or a fire pipe; it can be a heating pipe. It can also be a wire pipeline, or the inner cavity of the assembly box can be directly used as a related pipeline to achieve different functions. For those of ordinary skill in the art, the specific meanings of the above terms in the invention can be understood in specific situations.

Example 1

As shown in Figures 1 and 4, a floor structure composed of assembly boxes includes an assembly box array composed of a plurality of assembly boxes 1, and adjacent assembly boxes 1 in the assembly box array are connected with each other. The connecting pipe 2, pipelines are laid in the assembly box array, and the pipelines can be smoke exhaust pipelines, fire pipelines, ventilation pipelines, etc. There are well-shaped beams 3 arranged in the gaps of the assembly box array, and a plurality of assembly boxes 1 are respectively connected to the wells. The multiple beam lattices 31 of the character beam 3 are in one-to-one correspondence, the outer frame beams 4 fixedly connected with the well-shaped beam 3 are arranged on the periphery of the assembly box array, and the multiple peripheral assembly boxes 5 located on the periphery of the assembly box array are all connected with the outer frame beams. The webs of 4 are connected, and the web of the outer frame beam 4 is provided with an outlet 6 corresponding to the pipeline. The outlet 6 can be a smoke exhaust port, a nozzle, a vent, etc. Set to circle, square, etc. as required. The inlet port 15 of the pipeline can be opened on the bottom plate of the assembly box 1 as required.

A plurality of assembling boxes 1 are respectively correspondingly installed above the plurality of beam lattices 31 of the well-shaped beam 3 , and the edge of the bottom plate of the assembling box 1 and the upper beam plate of the well-shaped beam 3 are fixedly connected by bolts.

A vertical column is arranged at the bottom of the outer frame beam 4 or the well-shaped beam 3, and the vertical column is a hollow structure.

As shown in FIG. 2 , the side beams 4 of the outer frame beams 4 are provided with side beams 41 which are arranged to fit the outer frame beams 4. The side beams 41 are of the same height as the well-shaped beams 3, and the peripheral assembly box 5 is arranged on the side beams. 41 and above the well beam 3. A plurality of assembly boxes 1 are respectively installed in a plurality of beam lattices 31 of the well-shaped beam 3, the web plate of the well-shaped beam 3 is provided with a web hole 8 through which the communication pipe 2 passes, and the top plate 17 of the assembly box 1 is provided. Horizontally aligned with the upper surface of the well-shaped beam 3, the top plate 17 of the assembly box 1 is provided with an upper cover plate 9 integrally connected with the top plate 17, and the edge of the upper cover plate 9 extends to the top of the well-shaped beam 3 around the assembly box 1 , the two adjacent upper cover plates 9 completely cover the upper surface of the well-shaped beam 3 between the two assembly boxes 1; There is a lower cover plate 10 integrally connected with the bottom plate, the edge of the lower cover plate 10 extends to the bottom of the well-shaped beam 3 located around the assembly box 1, and the two adjacent lower cover plates 10 completely cover the two assembly boxes 1. between the lower surface of the well-beam 3. The bottom plate and the lower cover plate 10 can be provided with inlet ports 15 for pipelines as required.

As shown in FIG. 3 , the peripheral assembly box 5 is arranged in the beam grid 31 formed by the outer frame beam 4 and the well-shaped beam 3, and the upper cover 9 and the lower cover 10 of the peripheral assembly box 5 are connected to the outer frame. The webs of the beams 4 are fixedly connected, and the upper cover 9 and the lower cover 10 are respectively provided with reinforcing steel bars 16 passing through the webs of the outer frame beam 4 .

As shown in FIG. 8 , the surface of the peripheral assembly box 5 facing the web of the outer frame beam 4 is provided with a connecting pipe 7 which is sealingly connected to the outlet 6 , and a ring piece 14 is installed in the outlet 6 , and the material of the ring piece 14 is For concrete, steel plate, plastic, stainless steel, nickel-titanium-niobium shape memory alloy, etc., the preferred material of the ring piece 14 in the present invention is nickel-titanium-niobium shape memory alloy.

As shown in FIG. 4 , the pipeline includes branch lines 11 respectively arranged in the corresponding assembly boxes. The branch lines 11 include a plurality of inner pipes 12 respectively connected with the communication pipes 2 , and the plurality of inner pipes 12 are connected by adapters. 13 is on. For example, the pipeline is a smoke exhaust pipeline, the bottom plate of the assembly box with the branch pipeline 11 is arranged with an inlet pipe 15 connected to the branch pipeline 11, and the branch pipeline 11 is provided with an inner pipe 12 connected to the inlet pipe 15. .

As shown in FIG. 9 , a baffle plate 18 that can be opened is provided on the top plate 17 or the bottom plate of the assembly box 1 . A preferred solution in the present invention is to set a baffle plate 18 in the top plate 17 , and the top plate 17 corresponds to the baffle plate. The edge of the baffle 18 is provided with a step that protrudes outward, the bottom of the edge of the baffle 18 is erected on the step, and the edge of the baffle 18 is fixedly connected to the baffle 18 and the step through embedded bolts; the present invention is not limited to the use of bolts. It can also be fixed by pouring concrete for sealing and other fixing solutions.

Example 2

The well-shaped beam 3 and the outer frame beam 4 can be hollow rectangular beams, T-shaped beams and I-shaped beams according to the cross-sectional shape, and the present invention selects the I-shaped beams as an example to focus on description.

As shown in FIG. 5 , the beam structures of the outer frame beam 4 and the well-shaped beam 3 are I-beams, and the edge of the bottom plate of the assembly box 1 is installed above the upper flange of the corresponding I-beam, and the assembly box 1 The bottom plate and the upper flange are fixedly connected by bolts.

As shown in Figures 6 and 7, the edge of the assembly box 1 is embedded in the groove formed by the web, the upper flange and the lower flange of the I-beam, and the top plate 17 of the assembly box 1 and the upper wing of the I-beam The edge is horizontally aligned, the edge of the top plate 17 is provided with a step recessed into the plate, the height of the step is consistent with the thickness of the upper flange, and the two adjacent upper cover plates 9 completely cover the I-beam located between the two assembly boxes 1. The bottom surface of the assembly box 1 is horizontally aligned with the lower surface of the I-beam, the edge of the bottom plate is provided with a step recessed into the plate, the height of the step is consistent with the thickness of the lower flange, and the two adjacent lower cover plates 10 are completely Covers the lower surface of the I-beam located between the two assembly boxes 1 .

The upper cover 9 and the top or lower cover 10 integrally connected with it are provided with a baffle 18 that can be opened. The preferred solution in the present invention is that the upper cover 9 and the top integrally connected with it are provided with a baffle 18 that can be opened. A baffle 18 is provided in the middle, the upper cover 9 and the top plate 17 integrally connected with it are provided with outwardly convex steps corresponding to the edge of the baffle 18, the edge bottom of the baffle 18 is erected on the step, and the edge of the baffle 18 The baffle 18 is fixedly connected to the steps by burying the bolts; the present invention is not limited to fixing by bolts, but also fixing solutions such as sealing by pouring concrete.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the invention, but not to limit them; although the invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it is still The technical solutions described in the foregoing embodiments can be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the invention.

Claims

A floor structure composed of assembly boxes, comprising an assembly box array composed of a plurality of assembly boxes, characterized in that the adjacent assembly boxes in the assembly box array are connected with interconnecting pipes, and the assembly box array Pipelines are laid in the middle, and well-shaped beams are arranged in the gaps of the assembly box array. The multiple assembly boxes are respectively corresponding to the multiple beam grids of the well-shaped beams. For the frame beam, a plurality of peripheral assembly boxes located at the periphery of the assembly box array are all connected with the web of the outer frame beam, and the web of the outer frame beam is provided with a pipe outlet corresponding to the pipeline.
A floor structure composed of an assembly box according to claim 1, characterized in that, on the plate surface of the peripheral assembly box facing the web of the outer frame beam, there is a connecting pipe sealingly connected to the outlet, and the outlet is installed in the outlet. There are ring pieces made of nickel-titanium-niobium shape memory alloy.
A floor structure composed of assembly boxes according to claim 1, characterized in that, a plurality of assembly boxes are respectively installed above the plurality of beam lattices of the well-shaped beam, and the edge of the bottom plate of the assembly box is connected to the well-shaped beam. The upper beam plate of the beam is connected by bolts.
A floor structure composed of assembly boxes according to claim 1, wherein a plurality of assembly boxes are respectively installed in a plurality of beam lattices of the well-shaped beam, and the web of the well-shaped beam is provided with The web hole through which the connecting pipe passes, the top plate of the assembly box is horizontally aligned with the upper surface of the well-shaped beam, the top plate of the assembly box is provided with an upper cover plate integrally connected with the top plate, and the edge of the upper cover plate extends to the periphery of the assembly box Above the well-shaped beam, the two adjacent upper cover plates completely cover the upper surface of the well-shaped beam located between the two assembly boxes; the bottom plate of the assembly box is horizontally aligned with the lower surface of the well-shaped beam, and the bottom of the assembly box is below the bottom surface of the well-shaped beam. There is a lower cover plate integrally connected with the bottom plate, the edge of the lower cover plate extends to the bottom of the well-shaped beam located around the assembly box, and the two adjacent lower cover plates completely cover the well-shaped beam located between the two assembly boxes. the lower surface.
A floor structure composed of an assembly box according to claim 1, wherein the beam structures of the outer frame beam and the well-shaped beam are both I-beams.
A floor structure composed of an assembly box according to claim 3 or 5, wherein the edge of the bottom plate of the assembly box is installed above the upper flange of the corresponding I-beam, and the bottom plate of the assembly box is connected to the upper flange of the corresponding I-beam. The flanges are connected by bolts.
A floor structure composed of an assembly box according to claim 4 or 5, characterized in that the edge of the assembly box is embedded in the web, the upper flange and the lower flange of the I-beam. In the groove, the top plate of the assembly box is horizontally aligned with the upper flange of the I-beam, the edge of the top plate is provided with a step recessed into the plate, the height of the step is consistent with the thickness of the upper flange, and the two adjacent upper cover plates are completely covered. The upper surface of the I-beam between two assembly boxes; the bottom plate of the assembly box is horizontally aligned with the lower surface of the I-beam, and the edge of the bottom plate is provided with a step recessed into the plate, and the height of the step is consistent with the thickness of the lower flange, adjacent to The two lower cover plates completely cover the lower surface of the I-beam located between the two assembly boxes.
A floor structure composed of an assembly box according to claim 1, wherein the pipeline comprises branch pipelines respectively arranged in the corresponding assembly boxes, and the branch pipeline comprises a plurality of inner pipelines respectively connected with the communication pipes Tubes, and the multiple inner tubes are connected through adapters.
A floor structure composed of an assembly box according to claim 8, wherein the pipeline is a smoke exhaust pipeline, and the bottom plate of the assembly box with the branch pipeline is arranged with an inlet pipe connected to the branch pipeline. There is an inner pipe connected to the inlet pipe in the branch line.
A floor structure composed of an assembly box according to claim 1, characterized in that a baffle plate that can be opened is provided in the top plate of the assembly box, and an edge of the top plate corresponding to the baffle plate is provided with an outward-facing baffle plate. A raised step, the edge bottom of the baffle is erected on the step, and the baffle is fixedly connected to the step through embedded bolts on the edge of the baffle.