Steel structure assembly type two-ladder two-household unit type second-class high-rise residence traffic core

Abstract

The invention relates to a steel structure assembly type two-stair two-household unit type second-class high-rise residence traffic core which comprises multiple layers of core tube layer units, and each layer of core tube layer unit comprises a staircase; the first elevator and the second elevator are oppositely arranged at intervals in a face-to-face mode in the first direction; the elevator waiting hall is formed at the interval between the first elevator and the second elevator and serves as a fire elevator and staircase shared front room; the free windows are arranged on the outer walls of the elevator waiting halls, are communicated with the outside and are used for natural ventilation and lighting; the first entrance door and the second entrance door are oppositely arranged on the two sides of one of the first elevator and the second elevator in the second direction and both face the other one of the first elevator and the second elevator. A pressurized air supply shaft and mechanical pressurized air supply system equipment do not need to be additionally arranged, on one hand, the shared area is greatly reduced, and public space awareness is improved; and on the other hand, the life problems of lighting of the elevator waiting hall, natural ventilation, neighborhood communication space, physical and psychological health, high-quality life requirements and the like are solved. And meanwhile, a steel structure pilaster system is adopted, and the requirements of greenness, low carbon, intelligence and safety are better met.

Description

Technical Field

[0001] The present invention relates to the technical field of building design and construction, in particular to residential design and intelligent construction, and more specifically to a steel structure assembled two-elevator two-household unit-type second-class high-rise residential traffic core. Background Art

[0002] The policy and industrial systems for the coordinated development of intelligent construction and new building industrialization have been basically established, and the proportion of prefabricated buildings in new buildings has reached more than 30%. The components of steel-structured houses can be prefabricated in factories and then assembled on site, which is an inherent advantage for the industrial development of steel-structured houses.

[0004] According to the current "Code for Fire Protection Design of Buildings" (GB50016-2014 (2018 Edition)), an 18-story residential building with a floor height of 3 meters and a height of no more than 54 meters is classified as a Class II high-rise residential building. According to the requirements of relevant design specifications, this type of residential traffic core requires a smoke-proof stairwell, two elevators (one fire elevator, one passenger and freight elevator that can accommodate stretchers and meet the requirements of fire elevators can also serve as fire elevators), and corresponding antechambers, public corridors and necessary equipment shafts are configured as required. At the same time, the necessary smoke-proof requirements for relevant elevators and antechambers in the "Technical Standards for Building Smoke and Exhaust Systems" (GB51251-2017) should be met. The design of the building smoke-proof system should be based on factors such as building height and usage nature, and adopt a natural ventilation system or a mechanical pressurized air supply system.

[0005] The main function of the residential traffic core is to meet the daily traffic needs of residents and fire evacuation. It is a key part of residential design and an important public space for residents outside their homes.

[0006] According to market research, the elevator lobby in the traffic core, which is currently used frequently, is mainly closed. Except for some stairwells, the antechamber corridors in the traffic core lack direct lighting and poor natural ventilation conditions. The antechamber generally uses mechanical pressurized air supply to meet the fire safety evacuation requirements. The public space is fragmented, the traffic flow is complex, and the evacuation distance is long.

[0007] like Figure 1-4 Shown is the most common floor elevator combination for residential units with 12-18 floors. Figure 1-2 Generally speaking, it is a form that is symmetrical with stairwells, with two households in one unit. The apartment type is also basically symmetrical with the traffic core, which is most directly related to the suite type. There is no natural lighting and ventilation through external windows, and artificial lighting and mechanical pressurized air supply are required. Figure 2 It is more often used to emphasize the private elevator lobby, dividing the elevator lobby into two spaces and selling it in the form of a private elevator lobby. Figure 3-4 The elevator hall has natural lighting and ventilation, but it is rarely used in units with two households because of its large shared area. Figure 3 It is mostly used in houses with more than three households.

[0008] In addition, traditional houses mostly use reinforced concrete structures, which have high energy consumption, high carbon emissions, and high solid waste, and cannot help achieve the dual carbon goals. Steel-structured houses are a high-end and realistic choice. It is understood that at present, the proportion of steel-structured buildings in the total construction volume in developed countries is more than 40%, especially steel-structured houses, which only account for about 1%, and there is huge room for development.

[0009] In summary, the existing practices have the following shortcomings:

[0010] Large public area: The most obvious feature of the existing high-rise unit-type two-type slab residential traffic core is its large area, which makes the cost of purchasing a house high, consumes more resources, and has low applicability. In order to reduce the proportion of public area, it is often used for three or more households.

[0011] It is not conducive to energy conservation and emission reduction, and is not conducive to health and epidemic prevention: the traffic core does not make full use of natural lighting and ventilation, and the private hall elevators are not linked, the utilization efficiency is low, and energy is wasted. There is no ventilation in public spaces all year round, and pressurized air supply is only started in case of fire, which increases the risk of aerosol transmission.

[0012] Low quality of public space: It cannot meet the basic behavioral and psychological needs of residents. The private halls have weakened the public space attributes of smoke-proof stairwells and fire elevator vestibules, making owners subconsciously think that this is private territory and use it. They may place a large number of personal belongings or even flammable materials, increase fire safety hazards in normal times, and affect fire rescue in case of fire. The dim and cramped public space makes the housing lack of basic mutual exchanges, and the social relationship network is destroyed at the most basic level of communication. People passively avoid each other, and the neighborhood relationship is indifferent, which subtly affects the entire social atmosphere and social civilization.

[0013] In order to meet the development plan's requirement of "vigorously developing prefabrication", the market mostly uses prefabricated concrete structures. However, concrete structural components are not only large, bulky and heavy, but also require completely different installation equipment and methods. Buildings are ultimately installed on-site, not in factories. Building products have obvious personalized characteristics. No two houses are exactly the same. Components are difficult to mass produce, and the degree of standardization and generalization is low, which is not conducive to factory processing and difficult to achieve intelligent construction. Summary of the invention

[0014] The purpose of the present invention is to overcome the shortcomings of the prior art and to provide a steel structure assembled two-elevator two-household unit type second-class high-rise residential traffic core.

[0015] The technical solution of the present invention is as follows:

[0016] The present invention provides a steel structure assembled two-elevator two-household unit type second-class high-rise residential traffic core, the traffic core comprises a plurality of core tube layer units, the upper and lower adjacent two layers of core tube layer units are vertically connected, and each layer of core tube layer units comprises:

[0017] Steel frame columns;

[0018] Stairwells;

[0019] Elevator 1 and Elevator 2, wherein Elevator 1 and Elevator 2 are arranged face to face and spaced from each other along a first direction, and one of Elevator 1 and Elevator 2 is a fire elevator;

[0020] An elevator lobby, which is formed at the interval between the elevator 1 and the elevator 2 and serves as a common antechamber for the fire elevator and the stairwell;

[0021] Air-facing windows are arranged on the outer wall of the elevator lobby and communicate with the outside world for natural ventilation and lighting;

[0022] Entrance door 1 and entrance door 2, wherein entrance door 1 and entrance door 2 are arranged on both sides of one of elevator 1 and elevator 2 along a second direction and face the other of elevator 1 and elevator 2.

[0023] In some embodiments, the steel frame columns are disposed at corners of the core tube.

[0024] In some embodiments, the stairwell is located at the edge of the core tube and is arranged on the same wall as one of the elevator 1 and the elevator 2.

[0025] In some embodiments, each core tube layer unit further comprises:

[0026] Equipment room 1 and equipment room 2, wherein the equipment room 1 and the equipment room 2 are arranged face to face and opposite to each other on the other two sides of the elevator lobby along the second direction.

[0027] In some embodiments, the equipment room 1 is arranged between one of the elevator 1 and the elevator 2 and one of the households, and the equipment room 2 is arranged between the stairwell and another of the households.

[0028] In some embodiments, the equipment room is arranged between the air-facing window and one of the households.

[0029] In some embodiments, the equipment room one is a water equipment room or an electrical equipment room, the equipment room two is a water equipment room or an electrical equipment room, and the equipment room one is different from the equipment room two.

[0030] In some embodiments, each core tube layer unit further comprises:

[0031] Porch 1 and porch 2, wherein the porch 1 is arranged on the inner side of the first entrance door, and the porch 2 is arranged on the inner side of the second entrance door.

[0032] In some embodiments, the first porch and the second porch are both arranged along the first direction.

[0033] The present invention also provides a steel structure assembled two-elevator two-household unit-type second-class high-rise residential building, comprising the above-mentioned traffic core.

[0034] The beneficial effects of the present invention compared with the prior art are as follows: the present invention proposes a two-elevator two-household unit-type multi-story residential traffic core, specifically a core tube of a high-rise steel structure high-quality low-carbon residential building, which can at least achieve the following beneficial effects:

[0035] 1. Natural lighting and good ventilation: We have made a relatively comprehensive consideration on improving the quality of housing, optimized the energy-saving and carbon-reducing design of the building, and set up windows on the outer wall of the elevator lobby to communicate with the outside world, making full use of natural lighting and ventilation. The elevator lobby and stairwells can be lit and ventilated independently without the doors and windows of the residents, solving the problem of natural lighting and ventilation that has long been wanted to be solved but has not been solved well in the past, and meeting the requirements of smoke prevention regulations. The stairwells and shared vestibules use natural ventilation for smoke prevention to reduce carbon emissions.

[0036] 2. It utilizes natural lighting and ventilation, does not rely on mechanical pressurized air supply, does not require air shafts, does not require fans, and does not require a fan room on the roof. It greatly reduces the common area, increases the room ratio, and provides greater room for improvement in indoor space design, which not only reduces the project cost but also reduces the workload of construction drawing design.

[0037] 3. Reduce the public area: In the case of a certain area of ​​traditional apartment, the failure to compress the outdoor public area and the emphasis on the concept of private hall will sacrifice the use area of ​​the house and cause some rooms to be small in size and area. Intensively integrate the public space of the traffic core, merge the elevator lobby and share it with the staircase vestibule. The doors of the staircase, elevators, windows facing the air, entrance doors and doors of the equipment room are all facing the elevator lobby. The elevator lobby has a regular structure, reduces the fuzzy gray space, achieves a small public area, clarifies the ownership of space, reduces the fuzzy space to enhance the public space awareness, and gives the compressed fuzzy space area to the house, greatly improving the layout and room size of the house, promoting harmonious neighborhood relations with people as the center, and increasing the safety factor of fire evacuation by simplifying the traffic flow.

[0038] 4. Elevator group linkage: Elevators are arranged face to face in groups to facilitate linkage and improve utilization efficiency. This design can also realize the scheduled operation of elevators adjacent to indoor areas. For example, at night when the frequency of use is low, only another elevator that is not adjacent to the indoor area can be operated, which saves operating costs and avoids interference with the indoor area.

[0039] 5. Doors: The doors are placed on both sides of the elevator. A good design of the entrance position can significantly change the space effect and enhance privacy, and it is also convenient to organize the space inside the suite. Guests cannot be seen by each other, and standing at the door, you no longer have a clear view of the neighbor's house, and privacy is well guaranteed.

[0040] 6. Porch: A good porch is designed to facilitate the use requirements when entering and exiting the house, and to ensure the privacy of the suite. People do not want to have a clear view of the house at the door. It is ensured that the living room, dining room and other living spaces will not directly see the messy state of shoes. Considering the needs of the elderly and children, it is convenient to set up benches, and the position is convenient for taking shoes from the shoe cabinet. Some residents are accustomed to setting up a space for hanging coats in winter at the entrance. There needs to be a writing space in the foyer to facilitate the signing of express delivery, meter reading, etc. The above requirements can be easily achieved in this plan.

[0041] 7. In line with the needs of modernization and high-quality development of the new quality productivity of the construction industry, the structural form adopts steel structure assembly. Starting from the design end, low-carbon energy conservation and emission reduction throughout the life cycle of the building are considered, adapted to market demand, and integrated design, industrialized production, assembly construction, and integrated decoration are promoted to promote the modernization of construction methods.

[0042] It should be understood that the contents described in the Summary of the Invention section are not intended to limit the key or important features of the embodiments of the present invention, nor are they intended to limit the scope of the present invention. Other features of the present invention will become easy to understand through the following description. In addition, the implementation of any embodiment of the present invention does not mean that multiple or all of the above-mentioned beneficial effects must be possessed or achieved at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0044] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment in size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0045] Figure 1 A schematic diagram of a structure of a core tube without windows in an existing second-class high-rise residential unit;

[0046] Figure 2 It is a schematic diagram of another structure of the core tube without windows of the existing second-class high-rise residential unit;

[0047] Figure 3 A schematic diagram of a core tube window structure for an existing second-class high-rise residential unit;

[0048] Figure 4 A schematic diagram of another core tube window structure for an existing second-class high-rise residential unit;

[0049] Figure 5 A schematic structural diagram of a core tube of a residential unit according to the first embodiment of the present invention;

[0050] Figure 6 A schematic structural diagram of a core tube of a residential unit according to a second embodiment of the present invention;

[0051] Figure 7 A schematic structural diagram of a core tube of a residential unit according to a third embodiment of the present invention;

[0052] Figure 8 A schematic structural diagram of a core tube of a residential unit according to a fourth embodiment of the present invention;

[0053] Fig. 9 For the general Figure 2 The first apartment design drawing using the core tube;

[0054] Fig.10 For the general Figure 2 The second apartment design drawing using the core tube;

[0055] Fig.11 To adopt Figure 5 The core tube pair Fig. 9 Improved floor plan drawings;

[0056] Fig.12 To adopt Figure 5 The core tube pair Fig.10 Improved floor plan drawings.

[0057] In the figure:

[0058] 1. Stairwell; 2. Elevator lobby; 3. Elevator 1 (passenger elevator); 4. Elevator 2 (fire elevator and stretcher elevator); 5. Air-facing windows; 6. Entrance door 1; 7. Entrance door 2; 8. Equipment room 1; 9. Equipment room 2; 10. Porch 1; 11. Porch 2; 12. Steel frame columns.

[0059] In the various drawings, the same or corresponding reference numerals represent the same or corresponding parts. DETAILED DESCRIPTION

[0060] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clearly understood, the embodiments of the present invention are further described in detail below in conjunction with the embodiments and drawings. Here, the illustrative embodiments of the present invention and their description are used to explain the present invention, but are not intended to limit the present invention.

[0061] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0062] It should be understood that the terms "include / comprise", "consist of..." or any other variations are intended to cover non-exclusive inclusion, so that a product, device, process or method that includes a series of elements includes not only those elements, but also may include other elements not explicitly listed when necessary, or also includes elements inherent to such product, device, process or method. In the absence of more restrictions, the elements defined by the sentence "include / comprise...", "consist of..." do not exclude the presence of other identical elements in the product, device, process or method that includes the elements.

[0063] It is also necessary to understand that terms such as "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside" and "outside" to indicate directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device, component or structure must have a specific direction, be constructed or operate in a specific direction, and should not be understood as a limitation on the present invention.

[0064] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0065] The residential traffic core, also called the core tube, is the "personnel traffic and equipment layout" space that connects the floors of the residence vertically. It is the public part of the entire residential floor plan and occupies a core position. The main function of the residential traffic core is to meet the daily traffic behavior and fire evacuation of residents. It is a key part of residential design and an important public space for residents outside the door. The elevator in a high-rise building is an important tool for vertical transportation, and its elevator lobby is where passengers wait for the elevator. It is an important node for vertical transportation. Its spatial quality first affects passengers' impression of the interior space of the building.

[0066] According to the current residential design code (GB50096-2011) and building design fire protection code (GB50016-2014), for residential buildings with a building height of 33m to 54m, which is equivalent to 12-18 floors based on a 3.0-meter floor height, each unit needs to have two elevators. Among them, at least one can accommodate a stretcher, one fire elevator (passenger and freight elevators can also serve as fire elevators if they meet the requirements), and a smokeproof stairwell is required. Smokeproof stairwells and fire elevators should have an antechamber. The usable area of ​​the shared antechamber of residential buildings should not be less than 6.0 square meters, and the number of doors opening to the same antechamber on each floor should not be more than 3.

[0067] The Technical Standard for Building Smoke and Exhaust Systems (GB51251-2017) (hereinafter referred to as the "new standard") implemented in August 2018 added a requirement that was not in the old standard: "When the mechanical pressurized air supply outlet is not set at the top of the antechamber or on the wall facing the entrance of the antechamber, the stairwell should use a mechanical pressurized air supply system." The building smoke control system is divided into two systems: natural ventilation and mechanical pressurized air supply according to the building height and usage nature. The smoke-proof stairwell and its antechamber using the mechanical pressurized air supply system should be equipped with air supply shafts, air supply outlets and air supply fans respectively. The air supply fan should be installed in a dedicated machine room, which is usually located on the roof.

[0068] Article 3.1.5 of this standard states that the mechanical pressurized air supply system for smoke-proof stairwells and their antechambers shall comply with the following provisions:

[0069] 1. For residential buildings with a building height of less than or equal to 100m, when an independent antechamber is used and it has only one door connecting to the corridor or room, a mechanical pressurized air supply system can be installed only in the stairwell; when the independent antechamber has multiple doors, the stairwell and the independent antechamber should be equipped with mechanical pressurized air supply systems respectively.

[0070] 2. When a shared antechamber is used, the stairwell and shared antechamber should be equipped with independent mechanical pressurized air supply systems.

[0071] Smoke prevention in smoke-proof stairwells and antechambers is generally done by natural ventilation through openable external windows if there are windows, and by pressurized air supply without windows. Mechanical pressurized air supply makes the pressure in the stairwell > the pressure in the antechamber > the pressure in the corridor and room, forming a positive pressure to block the entry of smoke. Generally speaking, the smoke prevention of this mechanical pressurized air supply system is a remedial measure for the natural exhaust ventilation system, which is used in situations where natural ventilation conditions are not met and in public buildings over 50 meters and residential buildings over 100 meters with higher fire risks. Venetian blinds should not be installed in places using mechanical pressurized air supply, and openable external windows should not be installed.

[0072] It can be seen from the above standard provisions that for residential buildings with a height of less than 100 meters, the preferred smoke-proof design for stairwells, antechambers, etc. is a natural ventilation system. If mechanical pressurized air supply is used, it is because it does not meet the requirements of natural ventilation.

[0073] Why should the smoke-proof stairwell be mechanically pressurized when natural ventilation can be used? In fact, it is still a problem with the setting of the front room. After the implementation of the new standard, many designs still use the previous apartment types, resulting in the setting of the elevator lobby not being able to achieve natural ventilation and only mechanical pressurized air supply. When the elevator lobby is pressurized, it is usually difficult to set the air outlet at the top of the front room due to the influence of the floor height and structural beams. If the air outlet is directly opposite the door of the stairwell or not directly opposite the door opening to the elevator lobby, it will not play a good role in blocking smoke, and will also help smoke enter the stairwell. Article 3.3.10 of the new standard stipulates that "blinds should not be installed in places where mechanical pressurized air supply is used, and openable external windows should not be installed." The purpose is to ensure the effect of mechanical pressurized air supply. When external windows are set at the location of mechanical pressurized air supply, a large amount of air often leaks out due to the opening of the external windows, and the positive pressure value or door opening wind speed of the air supply location cannot be guaranteed, resulting in the failure of the smoke prevention system.

[0074] When a fire occurs and residents escape, the positive pressure fan system will start pressurized air supply to prevent indoor toxic smoke from reaching the stairs, creating conditions for escape. However, this system is only turned on when a fire occurs, and residents cannot turn it on by themselves, so it cannot solve the problem of ventilation in the corridor. Obviously, fire escape is important, but it is an accidental emergency after all. Sacrificing daily ventilation, a basic need that affects health and comfort, is putting the cart before the horse. Healthiness is undoubtedly the first issue that residential buildings must consider and solve. The health of residential buildings directly affects the physical and mental health of residents. Any one-sided pursuit of other aspects at the expense of health is not desirable.

[0075] like Figure 1-4 Shown is the most common floor elevator combination for residential units with 12-18 floors. Figure 1-2Generally speaking, it is a form that is symmetrical with the stairwell, with two households in one unit. The apartment type is also basically symmetrical with the traffic core, which is most directly related to the suite type. The disadvantage is that the elevator hall (smoke-proof stairwell waiting hall) has no windows directly facing the outside, no natural lighting and natural ventilation, and requires artificial lighting and mechanical pressurized air supply. Figure 2 It is more often used to emphasize the private elevator lobby, dividing the elevator lobby into two spaces and selling it in the form of a private elevator lobby. Figure 3-4 The elevator hall has natural lighting and ventilation, but it is rarely used in units with two households because of its large shared area. Figure 3 It is mostly used in houses with more than three households.

[0076] In terms of structural form, the above two conventional housing types are both reinforced concrete structures. The design is still based on cast-in-place. The splitting method of component design lacks proprietary technology for processing and assembly. The integration, standardization and digitization are low, and it cannot meet the needs of industrialized production and assembly construction. During the implementation of the project, cast-in-place and prefabrication methods coexist. The component forms are numerous, the connection nodes are complex, and the construction process is cumbersome. In order to make up the prefabrication rate, some components that are not suitable for prefabrication at present are also split and prefabricated. Contrary to the original intention of implementing prefabrication, to achieve the vision of energy conservation and emission reduction, a design that is more suitable for prefabrication is needed.

[0077] It can be seen that the design of the core tube is an important part of residential design. It should not only meet the requirements of the specifications, but also strive for green energy saving, convenient streamlines, comfortable environment, and be conducive to neighborhood communication. In the existing residential projects of this type, there is still a lack of a better traffic core plane design that can satisfy designers, developers and owners. In addition to the plane layout, a good green, low-carbon, intelligent and safe house also needs to design a more suitable prefabricated structure. Unlike traditional construction that requires a large amount of on-site construction work, the components of steel-structured houses can be prefabricated in the factory and then assembled on site. This is the inherent advantage of the industrial development of steel-structured houses.

[0078] In view of this, the present invention provides a steel structure assembled two-elevator two-household unit-type second-class high-rise residential traffic core, which belongs to the core tube of a high-rise steel structure high-quality low-carbon residence. On the one hand, it avoids the setting of heating and ventilation shafts and machine rooms, greatly reduces the common area, and enhances the awareness of public space; on the other hand, it solves life problems such as lighting and natural ventilation in the elevator lobby, neighborhood interaction space, physical and mental health and high-quality life needs; at the same time, it is more adaptable to assembled intelligent construction, actively promotes the transformation of building industrialization, and helps achieve the dual carbon goals.

[0079] The implementation of the present invention is described in detail below in conjunction with preferred embodiments.

[0080] The residential traffic core provided by the present invention is suitable for 12-18-story two-elevator two-family unit-type Class II high-rise residential buildings. It is not applicable to residential buildings with 19 floors or more because they do not meet the regulatory requirements. Although it is applicable to residential buildings with 11 floors or less, it is wasteful and uneconomical.

[0081] The present invention provides a steel structure assembled two-elevator two-household unit-type second-class high-rise residential traffic core, which includes multi-layer core tube layer units, and the upper and lower adjacent core tube layer units are vertically connected to meet the needs of vertical traffic between upper and lower floors.

[0082] like Figure 5 As shown, Figure 5 A steel structure assembled two-elevator two-household unit-type second-class high-rise residential traffic core in the form of an embodiment of the present invention is shown, and each core tube layer unit of the multi-layer core tube layer unit includes a stairwell 1, an elevator lobby 2, elevator one 3 and elevator two 4, air-facing windows 5, entrance door one 6 and entrance door two 7, and steel frame columns 12.

[0083] The core tube structure adopts a steel structure assembly structure, with steel frame columns 12 bearing the vertical load-bearing function. The steel frame columns 12 are arranged at the corners of the core tube and buried in the wall to form a pilaster system without exposed beams or columns. Each structural unit is mainly prefabricated in the factory and assembled on site, which conforms to the concept of green, low-carbon, intelligent and safe.

[0084] Stairwell 1 vertically connects the upper and lower adjacent core tube units to meet basic up and down traffic needs while also serving as an emergency evacuation function.

[0085] Two elevators are arranged in the core tube layer unit, namely, elevator 1 3 and elevator 2 4. The upper and lower adjacent core tube layer units are also vertically connected through elevator 1 3 and elevator 2 4. Elevator 1 3 and elevator 2 4 are arranged face to face and spaced relative to each other along the first direction. Figure 5 The first direction is the passage direction of the stairwell 1, and the interval between the elevator 1 3 and the elevator 2 4 forms an elevator lobby 2, which is shared with the front room of the stairwell 1.

[0086] Specifically, elevator 1 3 is a passenger elevator, which is arranged at the entrance side, and elevator 2 4 is a fire elevator and a stretcher elevator, which is arranged beside the stairwell 1. Alternatively, elevator 2 4 can be a fire elevator, and elevator 1 3 can be a stretcher elevator, or the fire elevator and the stretcher elevator can be designed at the entrance side, and the passenger elevator can be arranged beside the stairwell 1.

[0087] In the embodiment of the present invention, elevator 1 3 and elevator 2 4 are designed with face-to-face linkage, thereby avoiding the problems of long waiting time for elevators and inconvenience in stretcher entry and exit in some high-rise residential buildings, and integrating the waiting space to the maximum extent, improving the efficiency of elevator use and reducing the waiting time.

[0088] The residential traffic core provided by the embodiment of the present invention also includes air-facing windows 5, which are arranged on the outer wall of the elevator lobby 2. The air-facing windows 5 are connected to the elevator lobby 2 inwardly and to the outside world outwardly for natural ventilation and lighting.

[0089] In this way, on the one hand, the windows facing the air 5 provide natural lighting, and the elevator lobby 2 does not need artificial lighting in sunny weather, which saves energy and reduces emissions. On the other hand, the windows facing the air 5 are well ventilated, and the core tube adopts natural ventilation. The elevator lobby 2 and the stairwell 1 can generate ventilation independently without the doors and windows of the residents, and do not rely on mechanical pressurized air supply. In this way, there is no need to set up a pressurized air supply shaft, which saves the space of the elevator lobby 2. The space of the elevator lobby 2 is reduced, and the indoor space can be partially increased accordingly, such as Figure 5 As shown in the figure, the saved space can be used to add a cabinet as storage space at the back of elevator 13, which also meets the regulatory requirement that the elevator cannot be directly adjacent to the bedroom. In addition, since it does not rely on mechanical pressurized air supply, there is no need to set up a fan, and there is no need to set up a fan room on the roof, which reduces both the project cost and the workload of construction drawing design. In short, it provides a positive space that is bright, fresh, spacious, and conducive to encounter and communication in accordance with the concept of green buildings.

[0090] The residential traffic core provided by the embodiment of the present invention has two elevators and two households, and the entrance door 1 6 and the entrance door 2 7 are arranged relatively on both sides of one of the elevator 1 3 and the elevator 2 4, and both face the other of the elevator 1 3 and the elevator 2 4. Figure 5 It is shown that they are arranged on both sides of elevator 1 3 , that is, they are distributed (or symmetrically distributed) on both sides of elevator 1 3 , and both face elevator 2 4 , that is, entrance door 1 6 and entrance door 2 7 both open toward elevator 2 4 .

[0091] Through such design and arrangement, two households are no longer facing each other or next to each other. In this way, when one of the residents opens the door, the space effect can be significantly changed without affecting the side, and it is also convenient to organize the space inside the suite. It can also enhance privacy, so that guests cannot be seen by each other, and standing at the door, you can no longer have a clear view of the neighbor's house, and privacy is well guaranteed. It avoids the traditional unit with two households per elevator. If it is not a private hall design, the most common doors are facing or adjacent. Standing at the door, you can see through the neighbor's house at a glance, and the visit of guests can easily affect the neighbors, and the privacy is not good.

[0092] In addition, the entrance door 1 6 and the entrance door 2 7 are arranged relatively on both sides of one of the elevators. Such a plane design can realize the scheduled operation of the elevator adjacent to the indoor room. For example, at night when the frequency of use is low, only the other elevator that is not adjacent to the indoor room can be operated, which saves operating costs and avoids interference with the indoor room.

[0093] In the embodiment of the present invention, each core tube unit also includes an equipment room, which is used for water, electricity and gas wiring or other equipment. Figure 5 , equipment room 1 8 and equipment room 2 9 are set up, among which equipment room 1 8 is an electrical equipment room, and equipment room 2 9 is a water equipment room. Of course, the two can be interchanged or other equipment can be arranged as needed.

[0094] In the embodiment of the present invention, the equipment room 1 8 and the equipment room 2 9 are arranged face to face and spaced relative to each other on the other two sides of the elevator lobby 2 along the second direction. Figure 5 The second direction is the vertical direction of the stairwell 1, which is perpendicular to the first direction. In this way, the door of the stairwell 1, elevator 1 3 and elevator 2 4, the window facing the sky 5, the entrance door 1 6 and entrance door 2 7, and the doors of equipment room 1 8 and equipment room 2 9 are all connected to the elevator lobby 2 and all face the elevator lobby 2, making the elevator lobby 2 structure regular, that is, the scattered spaces around the elevator lobby are concentrated together. The intensive design can integrate and save space to form an elevator lobby space that is almost non-turning and hidden. The public space is a pure shared space with almost no dead corners. The elevator lobby space is integrated to the maximum extent. There is basically no fuzzy space or hidden corner for residents to place personal items, which can also avoid the occurrence of neighborhood conflicts, and provide a bright, fresh air, good space, and positive space that is conducive to encounter communication in line with the concept of green buildings.

[0095] In the embodiment of the present invention, each core tube layer unit further includes a porch 1 10 and a porch 2 11 . The porch 1 10 is arranged on the inner side of the entrance door 1 6 , and the porch 2 11 is arranged on the inner side of the entrance door 2 7 .

[0096] As mentioned earlier, Zhou Zheng's elevator lobby 2 integrates public space so that the space in the suite can be used reasonably to the maximum extent. By setting up a good entrance hall, it is convenient to provide the requirements for entering and leaving the house, and can ensure the privacy of the suite, so that the interior of the house will not be visible at the door, and the living room, dining room and other living spaces will not directly see the chaotic state of shoes. Considering the needs of the elderly and children, benches can be conveniently set up, and their positions can facilitate taking shoes from the shoe cabinet. Some residents are accustomed to setting up space for hanging coats in winter at the entrance. There needs to be a writing space in the foyer to facilitate the signature needs such as express delivery and meter reading. The above requirements can be easily achieved in this plan.

[0097] Preferably, the first entrance 10 and the second entrance 11 are both arranged along the first direction. Figure 5 The middle is the traffic direction along stairwell 1, which is also the north-south direction, forming a north-south transparent indoor public area.

[0098] In one embodiment of the present invention, the stairwell 1 is arranged at the edge of the core tube, and the stairwell 1 is arranged on the same wall as one of the elevator 1 3 and the elevator 2 4. Figure 5As shown in , the elevator 2 4 is arranged on the same wall as the stairwell 1. Such an arrangement of the stairwell can meet the requirements of the standard for natural ventilation, and no mechanical pressurized air supply is required.

[0099] In one embodiment of the present invention, the stairwell 1 is arranged on the left or right side of one of the elevator 1 3 and the elevator 2 4. Figure 5 As shown in FIG. 1 , the stairwell 1 is arranged on the right side of the elevator 2 4. Figure 6 As shown in FIG. 1 , the stairwell 1 is arranged on the left side of the elevator 2 4 .

[0100] In one embodiment of the present invention, the equipment room 1 8 is arranged between one of the elevator 1 3 and the elevator 2 4 and one of the households, and the equipment room 2 9 is arranged between the stairwell 1 and another of the households. Figure 5 As shown, equipment room 1 8 is arranged between elevator 1 3 and entrance door 1 6 of one of the households, and equipment room 2 9 is arranged between stairwell 1 and entrance door 2 7 of another household.

[0101] More specifically, the equipment room 8 is arranged between the air-facing window 5 and the entrance door 6 of one of the households.

[0102] In one embodiment of the present invention, Figure 7 , Figure 8 ,and Figure 5 , Figure 6 The layout shown is slightly different in that the core tube public corridor is fine-tuned to meet the different needs of various apartment types. After passing through the entrance hall, the complete indoor public area is transparent from north to south, and the LDKB can be opened and closed freely. No matter where you are, you are in a space where you can be "seen", providing more possibilities for family scenes in a healthy indoor environment. In this way, the indoor space is more complete, the dynamic line layout is more flexible, and with the help of the air-facing window 5 of the elevator lobby 2, when the door is opened, even if the light in the house is dim, it will not affect the normal passage at the door and the normal needs of wearing shoes and signing.

[0103] like Fig. 9 , Fig.10 As shown in the figure, the core tube air supply shaft is directly opposite the door, and the two elevators correspond to a private elevator lobby (smoke-proof front room) for marketing output, so they cannot be linked. All elevator lobby have no lighting and ventilation, and the elevator lobby is connected by stairwells, which creates more unknown hidden spaces. The bedroom is forcibly occupied to arrange the entrance cabinet, making the entrance and bedroom space cramped and inconvenient to use.

[0104] Use the present invention to Fig. 9 , Fig.10 Optimize, such as Fig.11 , Fig.12 As shown, Fig.11 To adopt the embodiment of the present invention Figure 5 The core tube pair Fig. 9Improved floor plan design. Fig.12 To adopt the embodiment of the present invention Figure 5 The core tube pair Fig.10 The improved apartment design makes the elevator lobby a real shared space, with almost no corners for residents to place personal items. The face-to-face linkage design of the elevators maximizes the integration of the elevator waiting space, improves the efficiency of elevator use, and reduces the waiting time.

[0105] After the improvement Fig.11 , Fig.12 The apartment design has the following advantages:

[0106] 1. Natural lighting and good ventilation: The elevator hall does not need artificial lighting in sunny weather. The elevator hall and stairwell can generate ventilation independently without the doors and windows of the residents. There are almost no dead corners and no reliance on mechanical pressurized air supply. Of course, there is no need to set up air supply shafts or fans. There is no need to set up fan rooms on the roof, which reduces the project cost.

[0107] 2. Elevator group linkage: Some high-rise residential buildings have problems such as long waiting time for elevators and inconvenience in stretcher access. The elevator group arrangement can facilitate linkage and improve utilization efficiency. This design can also realize the scheduled operation of elevators adjacent to the household. For example, at night when the frequency of use is low, only another elevator that is not adjacent to the household can be operated, which saves operating costs and avoids interference with the household.

[0108] 3. House doors: In a residential unit with two households on one elevator, if there is no private living room design, the most common situation is that the house doors are adjacent or opposite to each other. Standing at the door, you can see through the neighbor's house opposite at a glance. The arrival of guests can easily affect the neighbors, and the privacy is poor. Fig.11 The doors are placed on both sides of the elevator. The good design of the entrance position can significantly change the space effect and enhance privacy, and it is also convenient to organize the space inside the suite. Guests cannot be seen by each other, and standing at the door, you no longer have a clear view of the neighbor's house, and privacy is well guaranteed;

[0109] 4. Porch: A good porch is designed to facilitate the use requirements when entering and exiting the house, and to ensure the privacy of the suite. People do not want to have a clear view of the house at the door. It is necessary to ensure that the living room, dining room and other living spaces will not directly see the chaotic state of shoes. Considering the needs of the elderly and children, it is convenient to set up benches, and the position is convenient for taking shoes from the shoe cabinet. Some residents are accustomed to setting up a space for hanging winter coats at the entrance. There needs to be a writing space in the foyer to facilitate the signing of express delivery, meter reading, etc. The above requirements can be easily achieved in this plan.

[0110] 5. Reduce public areas: If the apartment area is fixed, the outdoor public area is not compressed well and the concept of private hall is emphasized, the indoor usable area will be sacrificed, resulting in some rooms being smaller in size and area. The design of the present invention will give the compressed fuzzy space area to the indoor area, which will greatly improve the indoor layout and room size.

[0111] Fig.11 and Fig. 9 Compared with the standard floor area, the area of ​​the standard floor has increased by 3.84㎡ (see Table 1). Fig.11 Compare Fig. 9 The public area of ​​the house has been reduced by 10.44㎡, the effective use area of ​​the house has been increased by 6㎡, and the room rate has been increased by 3.27%. It is possible to design a complete entrance hall, so that the children's room can become a more adaptable bedroom, and the size of other rooms can be appropriately increased as needed. Because the room size has been adjusted, one wall of the living room can be aligned with the wall of the dining room, and each unit even has 6 horizontal walls that can be aligned and connected. At the same time, the structural system is simpler and the structural rigidity is evenly distributed. Such a steel structure pilaster system is obviously cheaper and has better earthquake resistance. With only six load-bearing columns, the space feels more comfortable and the layout is more flexible and changeable.

[0112] Fig.12 and Fig.10 Compared with the standard floor, the area of ​​the standard floor increased by 12.95㎡, and the public area did not increase but decreased by 7.52㎡. The room rate increased by 3.44%, and there was also the condition to design a complete entrance hall, thus solving the problem of Fig.10 To solve the problem of having no place to place a shoe cabinet in the house, the door of the second bedroom can be set on the side opposite to the window to avoid the door of the house facing the door of the master bedroom. This can create good ventilation and the bedroom no longer requires passing through the living room.

[0113] The optimized data are shown in Table 1.

[0114] Table 1 Figures 9 to 12 Floor area data table

[0115]

[0116] In summary, the core tube of the unit high-rise residential building in the embodiment of the present invention solves the lighting and ventilation problems of the public space on the one hand, avoids the installation of pressurized air shafts, fans and machine rooms, reduces equipment and related investments, reduces the common area, and significantly improves the room rate; on the other hand, it provides a positive public communication space to promote communication, improve public space awareness and safety psychological needs, and other issues.

[0117] The apartment type obtained by this improved traffic core design can produce the following benefits:

[0118] 1. Economic Benefits: The face-to-face linkage design of the core tube elevator integrates the waiting space to the maximum extent, and the efficiency of elevator use is improved; the natural ventilation of the elevator lobby and stairwell meets the smoke prevention requirements, and there are almost no dead corners for lighting and ventilation, which meets the requirements for normal use. In the event of a fire, there is no need for mechanical pressurized air supply, air supply shafts, or fans, and there is no need to set up a fan room on the roof, which reduces both the project cost and the workload of construction drawing design; the core tube strives for natural lighting, reduces dependence on artificial lighting, strives to use natural ventilation to improve air quality, reduce dependence on fans, and provide appropriate shading and sun protection, improve the public space environment, and comprehensively improve the quality of housing.

[0119] 2. Social benefits: The core tube public space is open and bright with a good environment, which can promote a good community humanistic atmosphere. Residents of the community are more likely to form a collective centripetal force, and residents will have a stronger sense of belonging and security, which in turn affects the level of civilization of the entire community. The boundaries between public and private spaces are clear, and the public space awareness of the people has been greatly improved, which promotes the improvement of neighborhood relations, reduces social disorder and chaos, and can also stimulate more and more positive energy, which is conducive to promoting social harmony, stability and progress. Paying attention to the public communication space inside the residence is to meet people's higher-level spiritual needs. Natural ventilation and lighting are more beneficial to the physical and mental health of the owners, and provide a good foundation for community health and epidemic prevention.

[0120] 3. Environmental benefits: Steel structure is applied in the field of construction, with unique advantages such as high strength, light weight, good seismic performance, flexible construction, small number of workers, short construction period, recyclable, green and environmental protection. Compared with steel-concrete structure, steel structure has no obvious difference in technical quality, etc. At the same time, it has advantages in construction efficiency, housing rate, pattern adjustment, etc., and from the perspective of the whole life cycle, the green and low-carbon advantages of steel structure buildings are more obvious. Steel structure housing meets the requirements of residential industrialization and sustainable development, is suitable for mass production in factories, and has a high degree of industrialization and commercialization. It combines advanced finished products such as energy saving, waterproofing, and heat insulation to achieve comprehensive set application, integrate design, production, construction and installation, and improve the industrialization level of housing. With the development of urban construction, urban transformation requires the demolition of a large number of old buildings. Steel structure demolition is easier to implement, with high steel recycling rate, low demolition cost, and low pollution, which meets the requirements of sustainable development. According to the report data of "Steel Structure Housing Industrialization Consultation Research" of the Chinese Academy of Engineering, steel structure buildings can reduce energy consumption by 12%, carbon dioxide emissions by 15%, and solid waste by 51% per square meter compared with reinforced concrete buildings during production and construction. Driven by the goal of carbon neutrality, low-carbonization of the construction industry will become an inevitable trend. Prefabricated steel structure buildings have high construction efficiency, high control precision, high installation flexibility, and recyclable materials. At the same time, the interior intelligent manufacturing system, pipelines, equipment, interior decoration, etc. The assembly rate can reach more than 90%, which will be conducive to the realization of zero-carbon buildings.

[0121] In accordance with the requirements of promoting supply-side structural reform and new urbanization development, the high-quality and low-carbon transportation core of steel structure has the effect of achieving multiple goals at one stroke, such as developing new energy-saving and environmentally friendly industries, improving the safety level of buildings, and promoting the resolution of overcapacity.

[0122] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used in the present invention is intended to best explain the principles of the embodiments, practical applications, or technical improvements in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed in the present invention.

[0123] Although several specific implementation details are included in the above discussion, these should not be construed as limiting the scope of the present invention. Certain features described in the context of separate embodiments may also be implemented in a single implementation in combination. On the contrary, the various features described in the context of a single implementation may also be implemented in multiple implementations individually or in any suitable sub-combination.

Claims

1. A steel structure assembled two-elevator two-household unit type second-class high-rise residential traffic core, the traffic core comprises multiple layers of core tube layer units, and the upper and lower adjacent layers of core tube layer units are vertically connected, characterized in that: Each core layer unit includes: Steel frame columns; Stairwells; Elevator 1 and Elevator 2, wherein Elevator 1 and Elevator 2 are arranged face to face and spaced from each other along a first direction, and one of Elevator 1 and Elevator 2 is a fire elevator; An elevator lobby, which is formed at the interval between the elevator 1 and the elevator 2 and serves as a common antechamber for the fire elevator and the stairwell; Air-facing windows are arranged on the outer wall of the elevator lobby and communicate with the outside world for natural ventilation and lighting; Entrance door 1 and entrance door 2, wherein entrance door 1 and entrance door 2 are arranged on both sides of one of elevator 1 and elevator 2 along a second direction and face the other of elevator 1 and elevator 2.

2. The traffic core according to claim 1, characterized in that: The steel frame columns are arranged at the corners of the core tube.

3. The traffic core according to claim 1, characterized in that: The stairwell is located at the edge of the core tube and is arranged on the same wall as one of the elevator 1 and the elevator 2.

4. The traffic core according to claim 1, characterized in that: Each core layer unit also includes: Equipment room 1 and equipment room 2, wherein the equipment room 1 and the equipment room 2 are arranged face to face and opposite to each other on the other two sides of the elevator lobby along the second direction.

5. The traffic core according to claim 4, characterized in that: The equipment room 1 is arranged between one of the elevator 1 and the elevator 2 and one of the households, and the equipment room 2 is arranged between the stairwell and another of the households.

6. The traffic core according to claim 5, characterized in that: The equipment room is arranged between the window facing the air and one of the households.

7. The traffic core according to claim 4, characterized in that: The equipment room one is a water equipment room or an electrical equipment room, the equipment room two is a water equipment room or an electrical equipment room, and the equipment room one is different from the equipment room two.

8. The traffic core according to claim 1, characterized in that: Each core layer unit also includes: Porch 1 and porch 2, wherein the porch 1 is arranged on the inner side of the first entrance door, and the porch 2 is arranged on the inner side of the second entrance door.

9. The traffic core according to claim 1, characterized in that: The first porch and the second porch are both arranged along the first direction for passage.

10. A steel structure assembled two-elevator two-family unit type second-class high-rise residential building, characterized in that: Comprising the traffic core as described in any one of claims 1 to 9.

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