CN113898219A

CN113898219A - Commercial layer structure with core barrel, building and design method thereof

Info

Publication number: CN113898219A
Application number: CN202111117478.9A
Authority: CN
Inventors: 王淞; 欧阳唯志; 舒凌; 张锐
Original assignee: Chengdu Binjiang Ruitai Architectural Design Consulting Co ltd
Current assignee: Chengdu Binjiang Ruitai Architectural Design Consulting Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-01-07
Anticipated expiration: 2041-09-23
Also published as: CN113898219B

Abstract

The invention relates to a building, in particular to a commercial floor structure with a core tube, a building and a design method thereof, wherein the commercial floor structure with the core tube comprises a house structure body, the house structure body comprises the core tube, the outer side of the core tube is communicated with an inner corridor, the outer side of the inner corridor is provided with an office room, the outer side of the office room is provided with an outer corridor, the outer side vertical wall of the outer corridor is used as a first outer wall of the house structure body, the inner corridor is communicated with the outer corridor through a passageway, and the office room is configured as follows: can only pass in and out of the office room through the outer corridor, and the wall body between the office room and the inner corridor is a closed wall body. The utility model provides a commercial layer structure with a core section of thick bamboo can effectively reduce the volume and the speed that smog got into gallery and a core section of thick bamboo, has prolonged the time that smog got into the gallery greatly, and then provides the valuable time for the personnel evacuation of conflagration layer and top floor, effectively reduces conflagration smog to sparse crowd's harm.

Description

Commercial layer structure with core barrel, building and design method thereof

Technical Field

The invention relates to a building, in particular to a commercial floor structure with a core barrel, a building and a design method thereof.

Background

At present, a core tube structure is often selected for commercial buildings, the core tube is a central core tube formed by enclosing of an elevator hoistway, a stair, a ventilation shaft, a cable shaft, a public washroom and partial equipment rooms in the central part of the building, and an outer frame inner tube structure is formed by the core tube and a peripheral frame and is poured by reinforced concrete. The structure is very beneficial to the stress of the structure and has excellent shock resistance. Is a mainstream structure form widely adopted by international super high-rise buildings. Meanwhile, the structure has the advantages that the use space which is as wide as possible can be obtained, various auxiliary service spaces are concentrated towards the center of the plane, the main function space occupies the best lighting position, and the effects of good sight and convenient and fast internal traffic are achieved.

As shown in fig. 1, at present, commercial buildings with core tube structure are commonly used: 1 outside intercommunication of a core section of thick bamboo is provided with gallery 2, the outside of gallery 2 is provided with office room 3, and office room 3 has seted up the door on being close to the wall of gallery 2, and office staff gets into gallery 2 from a core section of thick bamboo 1 during on duty, directly gets into office room 3 from gallery 2 again, carries out the official working activity, and above-mentioned commercial building can have following problem:

1. once a fire disaster occurs in the office room 3, most of smoke generated in the office room can directly enter the inner corridor 2 through a door arranged on the wall surface of the office room 3 close to the inner corridor 2 and enter the core barrel 1, and can be gathered in the inner corridor 2 and the core barrel 1 in a short time, so that very large difficult smoke caused by evacuation through a fire disaster layer when people on the fire disaster layer and the floor above the fire disaster layer are evacuated is a main injury factor to a human body during the building fire disaster;

2. the structural characteristics of the up-down communication of the core barrel 1 can cause the core barrel 1 to become a chimney of smoke, so that the smoke can quickly flee to a floor above a fire, and people on the floor above the fire are difficult to evacuate.

Therefore, how to reduce the amount and speed of smoke entering the inner gallery 2 and the core barrel 1 in case of fire is one of the problems studied in the art.

Disclosure of Invention

The invention aims to: aiming at the problem that once a fire disaster occurs in an office room in a commercial building with a core barrel in the prior art, most of smoke generated in the office room directly enters an inner corridor and the core barrel, and great difficulty is caused to people evacuation on a fire floor and a floor above the fire floor, the commercial floor structure with the core barrel, the building and a design method thereof are provided.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a commercial layer structure with core section of thick bamboo, includes the house structure body, the house structure body includes a core section of thick bamboo, core section of thick bamboo outside intercommunication is provided with the vestibule, the outside of vestibule is provided with the office room, a serial communication port, the outside in office room is provided with the vestibule, the outside facade wall conduct of vestibule the first outer wall of house structure body, the vestibule with the vestibule is linked together through the passageway, the office room is configured into: the office room can only pass through the outer corridor, and the wall between the office room and the inner corridor is a closed wall.

The wall between the office room and the inner gallery is a closed wall: and a door or a window is not arranged on the wall between the office room and the inner gallery, so that smoke cannot pass through the office room and the wall between the office room and the inner gallery to reach the inner gallery.

The utility model provides a commercial layer structure with a core section of thick bamboo, office staff gets into the vestibule from the core section of thick bamboo earlier after coming out, and get into the vestibule through the passageway, get into the office room by the vestibule again and do official business, in case the office room conflagration breaks out, smog can get into the vestibule from the office room earlier, just can get into the vestibule through the passageway from the vestibule, it compares in directly getting into the vestibule from the office room from smog, the time that smog got into the vestibule has been prolonged greatly, the speed that smog got into the vestibule has been reduced effectively, and then the personnel evacuation of floor and top floor provides the time.

Simultaneously, the gallery can be preserved a large amount of smog, and then effectively reduces the volume that smog got into the gallery, and then makes the gallery have the function of buffering smog to reduce the concentration of smog in gallery and the core section of thick bamboo, effectively reduce conflagration smog to sparse crowd's harm.

In summary, the following steps: the utility model provides a commercial layer structure with a core section of thick bamboo can effectively reduce the volume and the speed that smog got into gallery and a core section of thick bamboo, has prolonged the time that smog got into the gallery greatly, and then provides the valuable time for the personnel evacuation of conflagration layer and top floor, effectively reduces conflagration smog to sparse crowd's harm.

Preferably, the gallery extends through the body of the building structure.

Specifically, the facade wall at one end of the outer lane serves as part of the second outer wall of the building structure body, and the facade wall at the other end of the outer lane serves as part of the third outer wall of the building structure body.

Preferably, the outline runs through on the basis of housing construction body, the both ends of outline all are provided with the vent for form the wind of crossing the hall on following outline length direction, and then when the conflagration breaing out, directly take out housing construction body through the smog of crossing the hall wind in with the outline, and then indirectly reduce the volume that smog got into the interior corridor, in order to reduce conflagration smog to sparse crowd's harm.

Preferably, on the basis of forming the cross wind along the length direction of the outer corridor, the corridor is perpendicular to the outer corridor, so that the corridor becomes a wind-sheltering area, a large amount of smoke is brought out of the house structure body along the cross wind, the smoke entering the inner corridor is greatly reduced, and the harm of the fire smoke to the evacuated crowd is reduced.

Preferably, the inner gallery is disposed parallel to the outer gallery.

Preferably, a landscape greening area is arranged on the outer corridor and is positioned on one side of the outer corridor, which is close to the first outer wall.

The temporary meeting area can be used as a temporary meeting area at ordinary times, and the landscape greening area is close to the first outer wall so as to prevent people from being evacuated.

Preferably, first outer wall includes the edge a plurality of decorative columns that gallery length direction interval set up, it is adjacent be connected with clear glass between the decorative column, provide sufficient light for the gallery.

Preferably, there are at least two of said office rooms, all of said office rooms being in communication with said external corridor only.

Preferably, the number of the aisles is at least two, and the office rooms are arranged between the adjacent aisles.

Preferably, a toilet area is arranged at the end of the inner gallery, and a wall where an inlet of the toilet area is located is flush with a vertical wall on one side of the aisle close to the toilet area.

Because the office room with wall body between the interior corridor is for sealing the wall body, need not open door or window towards interior corridor for the commercial layer structure that has a core section of thick bamboo of this application can be at office room and core section of thick bamboo, and is located the interior corridor tip and sets up the bathroom region, the wall body at the entrance place in bathroom region with the passageway is close to the wall is leveled mutually to one side vertical wall in the bathroom region for the bathroom region is bigger, more can satisfy personnel like the lavatory demand.

Preferably, toilet areas are arranged at the end parts of the galleries at the two sides, an equipment platform is arranged between the toilet areas at the two sides and used for breeding a central air conditioner outdoor unit or fresh air equipment, and the equipment platform is separated from an office room through the toilet areas, so that the noise influence of the equipment on the equipment platform on the office room is greatly reduced.

Preferably, a plurality of structural columns are arranged between the office room and the outer corridor, and all the structural columns are arranged at intervals along the length direction of the outer corridor.

Preferably, at least two of the structural columns are connected with shear walls, and the shear walls are arranged towards the inner gallery.

The application also discloses a building, which comprises at least one layer of the commercial layer structure with the core barrel, and at least one layer of commercial layer structure, wherein the structural columns, the shear walls and the core barrel penetrate through the commercial layer structure, and the commercial layer structure is used as a shopping mall, a parking lot or a supermarket.

The utility model provides a building, include at least one deck like this application commercial floor structure with a core section of thick bamboo, the official working personnel advance to go into the gallery after coming out from a core section of thick bamboo, and get into the gallery through the corridor, get into the office room by the gallery again and do official business, in case the office room conflagration breaks out, smog can follow the office room earlier and get into the gallery, just can pass through the corridor from the gallery and get into the gallery, it compares in directly getting into the gallery from smog, the time that smog got into the gallery has been prolonged greatly, the speed that smog got into the gallery has been reduced effectively, and then the personnel evacuation for conflagration layer and top floor provides the valuable time.

At the same time, the building also comprises at least one commercial layer structure used as a shopping mall, a parking lot or a supermarket, so that different layers of the building have different commercial functions.

In summary, the following steps: the utility model provides a building can effectively reduce the volume and the speed that smog got into gallery and core section of thick bamboo, has prolonged the time that smog got into the gallery greatly, and then provides the valuable time for the personnel evacuation of conflagration layer and top floor, effectively reduces conflagration smog to sparse crowd's harm, simultaneously, still includes at least one deck commercial layer structure to be used as market, parking area or supermarket, make this application the different floors of a building have different commercial functions.

Preferably, a first commercial area is provided within the commercial floor structure, the first commercial area vertically corresponding to the external porch, the first commercial area serving as at least a portion of a mall, parking lot or supermarket.

The application also discloses a design method for the building, which is used for designing the structural columns and the shear walls and comprises the following steps:

s1, setting up arrangement parameters of structural columns based on the length and size parameters of an outer corridor, the size parameters of an office room and a commercial layer structure;

s2, building a building calculation model based on the building, so that the building calculation model meets the requirements, and when the arrangement parameters of the structural columns are input, the side length of the structural columns and the length of the shear wall are output;

s3, calculating the net width from the structural column to the first outer wall based on the structural column, determining whether the net width meets the minimum width size requirement of the outer corridor, and checking whether the structural column and the shear wall meet the design requirement of the commercial layer structure;

s4, if the net width does not meet the minimum width dimension requirement of the outer corridor or the structural columns and the shear walls do not meet the design requirement of the commercial layer structure in the step S3, reducing the upper structure load of the commercial layer structure or increasing the number of the structural columns, and repeating the steps S1 to S3 until the net width from the structural columns to the first outer wall meets the minimum width dimension requirement of the outer corridor and whether the structural columns and the shear walls meet the design requirement of the commercial layer structure or not, so as to obtain the final dimension parameters of the structural columns and the shear walls.

Based on the corridor as the fire transition evacuation area and the corridor area that ordinary personnel got into the office room, make the clear width of corridor have certain requirement, a design method for this application for the building, based on corridor length size parameter, the size parameter of office room and the arrangement parameter of commercial layer structure design the constructional column, through establishing the building calculation model, and make with the help of commercial layer structure superstructure load or the control of constructional column quantity makes the clear width of constructional column extremely first outer wall satisfy the minimum width dimensional requirement of corridor and whether the constructional column with the shear force wall satisfies the design requirement of commercial layer structure, obtain the final dimensional parameter of constructional column and the shear force wall, whole process, can compromise the clear width of corridor and the design requirement of commercial layer structure, make the constructional column and the first outer wall that design obtain can satisfy commercial layer structure and commercial layer structure that have a core section of thick bamboo simultaneously The structure is used.

Preferably, the structural pillar arrangement parameters include the number of structural pillars and the position parameters of all the structural pillars.

Preferably, step S2 specifically includes the following steps:

s21, building a three-dimensional structure model based on the building, building structure design software, and inputting structural layer loads of a commercial layer structure and structural layer loads of the commercial layer structure into the three-dimensional structure model to form the building calculation model;

and S22, inputting the arrangement parameters of the structural column into the building calculation model, calculating the floor reaction force, the floor shearing force, the floor bending moment, the floor displacement and the interlayer displacement angle under the action of earthquake and wind load and the column axial pressure ratio of the structural column by using the building calculation model to obtain the side length of the structural column, and simultaneously calculating the floor reaction force, the floor shearing force, the floor bending moment, the floor displacement and the interlayer displacement angle under the action of earthquake and wind load and the wall axial pressure ratio of the shear wall to obtain the length of the shear wall.

Preferably, the design requirements of the commercial layer structure are in particular: a minimum clear distance of the shear wall to the core barrel reaches a first threshold.

When the commercial layer structure is used as a shopping mall, a parking lot or a supermarket, since the distance between the structural column and the outer wall corresponding to the first outer wall of the layer is small, the space between the shear wall and the core barrel needs to be controlled to be used as a main area for people or vehicles to pass through, and the space between the shear wall and the core barrel can be ensured to be used as the main area for people or vehicles to pass through by the requirement of the minimum clear distance between the shear wall and the core barrel.

Specifically, the first threshold is 2700 mm.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. the utility model provides a commercial layer structure with a core section of thick bamboo can effectively reduce the volume and the speed that smog got into gallery and a core section of thick bamboo, has prolonged the time that smog got into the gallery greatly, and then provides the valuable time for the personnel evacuation of conflagration layer and top floor, effectively reduces conflagration smog to sparse crowd's harm.

2. The utility model provides a commercial layer structure with a core section of thick bamboo the outline runs through on the basis of building structure body, the both ends of outline all are provided with the vent for form the wind of crossing the hall on following outline length direction, and then when the conflagration breaing out, directly take out the building structure body through the smog of crossing the wind in with the outline, and then indirectly reduce the volume that smog got into the interior corridor, with the harm of reduction conflagration smog to sparse crowd.

3. The utility model provides a commercial layer structure with a core section of thick bamboo forms on the basis of crossing the wind in hall along corridor length direction, the corridor with the corridor is mutually perpendicular for the corridor becomes the region of keeping away the wind, and then makes a large amount of smog follow the wind in hall and take out the house structure body, and the smog that significantly reduces gets into the volume of inner porch, with the harm of reduction conflagration smog to sparse crowd.

4. The utility model provides a commercial layer structure with a core section of thick bamboo, because the office room with wall body between the interior corridor is for sealing the wall body, need not open door or window towards interior corridor for the commercial layer structure with a core section of thick bamboo of this application can be at office room and a core section of thick bamboo, and is located the interior corridor tip and sets up the bathroom regional, the wall body at the entrance place in bathroom region with the passageway is close to the wall is erected to one side in the bathroom region and flushes mutually, makes the bathroom regional bigger, more can satisfy personnel like the lavatory demand.

5. The utility model provides a commercial layer structure with a core section of thick bamboo, both sides the tip of vestibule all is provided with the lavatory area, both sides be provided with the equipment platform between the lavatory area. The equipment platform is separated from the office room through a toilet area, and the noise influence of the equipment on the equipment platform on the office room is greatly reduced.

6. The utility model provides a commercial layer structure with a core section of thick bamboo, at least one the shear force wall is as a part of passageway side wall guarantees the antidetonation security in passageway based on shear force wall and structure post, makes the passageway can satisfy the evacuation requirement of fleing when the earthquake.

7. The utility model provides a building can effectively reduce the volume and the speed that smog got into gallery and core section of thick bamboo, has prolonged the time that smog got into the gallery greatly, and then provides the valuable time for the personnel evacuation of conflagration layer and top floor, effectively reduces conflagration smog to sparse crowd's harm, simultaneously, still includes at least one deck commercial layer structure to be used as market, parking area or supermarket, make this application the different floors of a building have different commercial functions.

8. The design method for the building comprises the steps of setting up a building calculation model, enabling the clear width of the structural column to the first outer wall to meet the minimum width dimension requirement of the outer corridor and whether the structural column and the shear wall meet the design requirement of the commercial layer structure or not by means of the control of the upper structural load of the commercial layer structure or the number of the structural columns, obtaining the final dimension parameters of the structural column and the shear wall, and considering both the clear width of the outer corridor and the design requirement of the commercial layer structure, so that the designed structural column and the first outer wall can simultaneously meet the use of the commercial layer structure and the commercial layer structure with the core barrel.

9. In the method for designing the building, the design requirements of the commercial floor structure are as follows: a minimum clear distance requirement of the shear wall to the core barrel. When the commercial layer structure is used as a shopping mall, a parking lot or a supermarket, since the distance between the structural column and the outer wall corresponding to the first outer wall of the layer is small, the space between the shear wall and the core barrel needs to be controlled to be used as a main area for people or vehicles to pass through, and the space between the shear wall and the core barrel can be ensured to be used as the main area for people or vehicles to pass through by the requirement of the minimum clear distance between the shear wall and the core barrel.

Drawings

Fig. 1 is a schematic plan view of a prior art commercial building floor structure.

Fig. 2 is a schematic plan view of a commercial layer structure having a core barrel of the present invention.

Fig. 3 is a schematic plan view of a business layer structure of the present invention.

Fig. 4 is a structural three-dimensional model diagram of a building design method according to the present invention.

Figure 5 is a graph of the floor reaction force of the commercial layer structure of the present invention under X-direction (horizontal) seismic action.

Figure 6 is a graph of the floor reaction force of the commercial layer structure of the present invention under the action of a Y-direction (vertical) earthquake.

Figure 7 is a plot of the floor shear of a commercial story structure of the present invention under X-direction (horizontal) seismic events.

FIG. 8 is a graph of the floor shear of a commercial story structure of the present invention under the action of a Y-direction (vertical) earthquake

FIG. 9 is a graph of floor bending moment of a commercial storey structure of the present invention under X-direction (horizontal) seismic action

FIG. 10 is a graph of floor bending moment of a commercial storey structure of the present invention under Y-direction (vertical) seismic action

FIG. 11 is a graph of the displacement of the commercial layer structure of the present invention in the X direction (horizontal) seismic event

FIG. 12 is a graph of the displacement of the commercial layer structure of the present invention in the Y direction (vertical) seismic event

FIG. 13 is a graph of the interval displacement angle of the stories of the commercial layer structure of the present invention under the action of an X-direction (horizontal) earthquake

FIG. 14 is a graph of the interval displacement angle of the stories of the commercial layer structure of the present invention under the action of a Y-direction (vertical) earthquake

FIG. 15 is a graph of the reaction force of the commercial layer structure of the present invention in the X direction (horizontal) wind load

FIG. 16 is a graph of the floor reaction force of the commercial story structure of the present invention under Y-direction (vertical) wind loading

FIG. 17 is a graph of the shear of the commercial layer structure of the present invention in the X direction (horizontal) wind loading

FIG. 18 is a graph of the shear of the commercial layer structure of the present invention in the Y direction (vertical) under wind loading

FIG. 19 is a graph of the floor bending moment of a commercial storey structure of the invention under X-direction (horizontal) wind loading

FIG. 20 is a graph of the floor bending moment of the commercial storey structure of the present invention under Y-direction (vertical) wind loading

FIG. 21 is a graph of the displacement of a commercial storey structure of the present invention under X direction (horizontal) wind loading

FIG. 22 is a graph of the displacement of a commercial storey structure of the present invention under Y-direction (vertical) wind loading

FIG. 23 is a graphical representation of the inter-floor displacement angle of the commercial storey structure of the present invention under X-direction (horizontal) wind loading

FIG. 24 is a graph of the inter-floor displacement angle of the commercial storey structure of the present invention under Y-direction (vertical) wind loading

FIG. 25 is a plan view of a commercial layer structure load of the present invention

FIG. 26 is a schematic cross-sectional view of a commercial deck concrete beam of the present invention

FIG. 27 is a schematic diagram of a commercial layer structure of the present invention (preliminary calculation in example 4)

FIG. 28 is a schematic diagram of a commercial layer structure of the present invention (preliminary calculation in example 5)

FIG. 29 is a net-of-posts diagram of a commercial layer structure of the present invention (final calculation in examples 4 and 5)

Figure 30 is a schematic cross-sectional view of a first storey column of the building of the present invention.

Figure 31 is a schematic view of the first storey wall axial pressure ratio and column axial pressure ratio of the building of the present invention.

FIG. 32 is a schematic enlarged view of the first storey wall axial pressure ratio and column axial pressure ratio of the building of the present invention.

Icon: 1-a core barrel; 2-inner gallery; 3-office room; 4-a passageway; 5-landscaping area; 6-structural columns; 7-transparent glass; 8-restroom area; 9-decorative columns; 10-a housing structure body, 11-a first outer wall; 12-a business layer structure; 13-a device platform; 14-shear walls; 15-outer corridor.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

As shown in fig. 2, the commercial layer structure with a core tube in the embodiment includes a room structure body 10, the room structure body includes a core tube 1, an inner gallery 2 is provided outside the core tube 1, an office room 3 is provided outside the inner gallery 2, and an outer gallery 15 is provided outside the office room 3, an outer side vertical wall of the outer gallery 15 is used as a first outer wall 11 of the room structure body 10, the inner gallery 2 and the outer gallery 15 are communicated through a passageway 4, and the office room 3 is configured as: the office room 3 can only be accessed through the outer corridor 15, and the wall between the office room 3 and the inner corridor 2 is a closed wall.

The wall between the office room 3 and the inner gallery 2 is a closed wall: and a door or a window is not arranged on the wall between the office room 3 and the inner corridor 2, so that smoke cannot pass through the office room 3 and the wall between the office room 3 and the inner corridor 2 to reach the inner corridor 2.

Personnel can only enter and exit the office room 3 through the doors on the walls of the office room 3 and the external corridor 15.

The utility model provides a commercial layer structure with core section of thick bamboo, office staff gets into gallery 2 earlier after 1 comes out from core section of thick bamboo, and get into gallery 15 through passageway 4, get into office room 3 by gallery 15 again and official working, in case office room 3 conflagration breaks out, smog can follow office room 3 earlier and get into gallery 15, just can get into gallery 2 through passageway 4 from gallery 15, it compares in directly getting into gallery 2 from smoke from office room 3, the time that precious smog got into gallery 2 has been prolonged greatly, the speed that smog got into gallery 2 has been reduced effectively, and then provide sparse time for the personnel of conflagration layer and top floor.

Simultaneously, a large amount of smog can be kept in the corridor 15, and then effectively reduces the volume that smog got into the corridor 2, and then makes the corridor 15 have the function of buffering smog to reduce the concentration of smog in the corridor 2 and the core section of thick bamboo 1, effectively reduce conflagration smog to sparse crowd's harm.

In addition, in a more preferable mode, the outer lane 15 penetrates the house structure body 10.

In particular, a facade wall at one end of the outer lane 15 is part of the second outer wall 12 of the room arrangement body 10, and a facade wall at the other end of the outer lane 15 is part of the third outer wall 1 of the room arrangement body 10.

On the basis, further preferred mode the outline 15 runs through on the basis of housing construction body 10, the both ends of outline 15 all are provided with the vent for form the air of crossing the hall on following the 15 length direction of outline, and then when the conflagration breaing out, directly bring out housing construction body 10 through the smog of crossing the hall in with outline 15, and then indirectly reduce the volume that smog got into gallery 2, in order to reduce conflagration smog to sparse crowd's harm.

On the basis of the above, further preferred mode is on the basis of forming the wind of crossing the hall on the 15 length direction in edge corridor, corridor 4 with corridor 15 is mutually perpendicular for corridor 4 becomes the region of keeping away the wind, and then makes a large amount of smog follow the wind of crossing the hall and take out housing construction body 10, and the smog that significantly reduces gets into the volume of inner corridor 2 to reduce conflagration smog to sparse crowd's harm.

In addition, in a more preferable mode, the inner lane 2 is disposed in parallel with the outer lane 15.

In addition, in a further preferable mode, a landscape greening area 5 is provided on the outer corridor 15, and the landscape greening area 5 is located on one side of the outer corridor 15 close to the first outer wall 11.

The landscape greening area 5 can be used as a temporary passenger meeting area at ordinary times and is close to the first outer wall 11 to prevent the evacuation of interference personnel.

On the basis, in a further preferred mode, the first outer wall 11 comprises a plurality of decorative columns 9 arranged along the length direction of the outer corridor 15 at intervals, and transparent glass 7 is connected between the decorative columns 9 to provide sufficient light for the outer corridor 15.

In addition to the above, it is further preferable that at least two office rooms 3 are provided, and all the office rooms 3 communicate with only the external corridor 15.

On the basis, it is further preferable that at least two of the aisles 4 are provided, and the office rooms 3 are provided between the adjacent aisles 4.

On the basis, in a further preferable mode, a toilet area 8 is arranged at the end of the inner corridor 2, and a wall where an entrance of the toilet area 8 is located is flush with a vertical wall of the aisle 4 close to one side of the toilet area 8.

Because office room 3 with wall body between the gallery 2 is for sealing the wall body, need not open a door or window towards gallery 2 for the commercial layer structure that has a core section of thick bamboo of this application can be at office room 3 and a core section of thick bamboo 1, and is located 2 tip of gallery and sets up the bathroom regional 8, the wall body at the entry place of the regional 8 in bathroom with passageway 4 is close to the wall is leveled mutually to one side of the regional 8 in bathroom, makes the bathroom regional 8 bigger, more can satisfy personnel's like the lavatory demand.

On the basis, in a further preferable mode, the end parts of the inner galleries 2 on the two sides are provided with toilet areas 8, an equipment platform 13 is arranged between the toilet areas 8 on the two sides, the equipment platform 13 is used for breeding a central air conditioner outdoor unit or fresh air equipment, the equipment platform 13 is separated from the office room 3 through the toilet areas 8, and therefore noise influence of the equipment on the equipment platform 13 on the office room 3 is greatly reduced.

On the basis, in a further preferable mode, a plurality of structural columns 6 are arranged between the office room 3 and the outer corridor 15, and all the structural columns 6 are arranged at intervals along the length direction of the outer corridor 15.

On the basis, in a further preferable mode, at least one part of the vertical wall on at least one side of the passageway 4 is a shear wall, and the structural column 6 is connected to the end part of the shear wall, so that the earthquake-proof safety of the passageway 4 is ensured based on the shear wall and the structural column 6, and the passageway 4 can meet the evacuation escape requirement in the case of an earthquake.

Preferably, a shear wall 14 is connected to at least two of the structural columns 6, the shear wall 14 being disposed towards the gallery 2.

On the basis, in a further preferable mode, at least one shear wall 14 is used as a part of the side wall of the aisle 4, and the anti-seismic safety of the aisle 4 is ensured based on the shear wall 14 and the structural columns 6, so that the aisle 4 can meet the evacuation and escape requirement in the case of an earthquake.

The beneficial effects of this embodiment: a commercial floor structure with a core section of thick bamboo, can effectively reduce smog and get into the volume and the speed of an interior corridor 2 and a core section of thick bamboo 1, prolonged smog greatly and got into the time of interior corridor 2, and then for the personnel evacuation of conflagration layer and top floor provide the valuable time, effectively reduce conflagration smog to sparse crowd's harm.

Example 2

As shown in fig. 2 and 3, the building of the present embodiment includes at least one commercial layer structure with a core tube as described in the present application, and further includes at least one commercial layer structure 12, wherein the structural columns 6, the shear walls 14 and the core tube 1 penetrate through the commercial layer structure 12, and the commercial layer structure 12 is used as a mall, a parking lot or a supermarket.

The utility model provides a building, include at least one deck like this application commercial floor structure with a core section of thick bamboo, office staff gets into gallery 2 earlier after 1 comes out from a core section of thick bamboo, and get into gallery 15 through corridor 4, get into office room 3 by gallery 15 again and official business, in case office room 3 takes place the conflagration, smog can get into gallery 15 from office room 3 earlier, just can get into gallery 2 through corridor 4 from gallery 15, it is compared in directly getting into gallery 2 from office room 3 from smog, the time that smog got into gallery 2 has been prolonged greatly, the speed that smog got into gallery 2 has been reduced effectively, and then the personnel evacuation of floor and top floor provides the valuable time for the conflagration layer.

At least one commercial floor structure 12 is also included for use as a mall, parking lot or supermarket, allowing different floors of a building as described herein to have different commercial functions.

On the basis of the above, it is further preferable that a first commercial area 21 is provided in the commercial floor structure 12, the first commercial area 21 vertically corresponds to the outer lane 15, and the first commercial area 21 is used as at least one part of a mall, a parking lot or a supermarket.

The beneficial effects of this embodiment: the building of this embodiment, can effectively reduce the volume and the speed that smog got into gallery 2 and core section of thick bamboo 1, prolonged smog greatly and got into gallery 2's time, and then for the personnel evacuation of conflagration layer and top floor provide the precious time, effectively reduce conflagration smog to sparse crowd's harm, simultaneously, still include at least one deck commercial layer structure 12 to be used as market, parking area or supermarket, make this application the different floors of a building have different commercial functions.

Example 3

As shown in fig. 2 to 31, the present application further discloses a design method for a building according to the present application, which is used for designing the structural columns 6 and the shear walls 14, and the design method comprises the following steps:

s1, setting up the arrangement parameters of the structural columns 6 based on the length dimension parameters of the outer corridor 15, the dimension parameters of the office room 3 and the commercial layer structure 12;

s2, building a building calculation model based on the building of claim 16, so that the building calculation model meets the requirement that when the arrangement parameters of the structural columns 6 are input, the side length of the structural columns 6 and the length of the shear wall 14 are output;

s3, calculating the net width from the structural column 6 to the first outer wall 11 based on the structural column 6, determining whether the net width meets the minimum width dimension requirement of the outer corridor 15, and checking whether the structural column 6 and the shear wall 14 meet the design requirement of the commercial layer structure 12;

s4. if the clear width does not meet the minimum width dimension requirement of the external porch 15 in step S3, or the structural columns 6 and the shear walls 14 do not meet the design requirement of the commercial layer structure 12, reducing the structural load on the commercial layer structure 12 or increasing the number of the structural columns 6, and repeating steps S1 to S3 until the clear width of the structural columns 6 to the first external wall 11 meets the minimum width dimension requirement of the external porch 15 and whether the structural columns 6 and the shear walls 14 meet the design requirement of the commercial layer structure 12, resulting in the final dimension parameters of the structural columns 6 and the shear walls 14.

On the basis of the above, it is further preferred that the structural pillars 6 arrangement parameters include the number of the structural pillars 6 and the position parameters of all the structural pillars 6.

In addition to the above, in a more preferable mode, the step S2 specifically includes the steps of:

s21, building a structural three-dimensional model through building structure design software based on the building of claim 14, and inputting structural layer loads of the commercial layer structure 12 and the structural layer loads of the commercial layer structure into the structural three-dimensional model to form the building calculation model;

s22, inputting the layout parameters of the structural column 6 into the building calculation model, calculating the floor reaction force, the floor shearing force, the floor bending moment, the floor displacement and the interlayer displacement angle under the action of earthquake and wind load and the column axial pressure ratio of the structural column 6 by using the building calculation model to obtain the side length of the structural column 6, and simultaneously calculating the floor reaction force, the floor shearing force, the floor bending moment, the floor displacement and the interlayer displacement angle under the action of earthquake and wind load and the wall axial pressure ratio of the shear wall 14 to obtain the length of the shear wall 14.

On the basis of the above, in a further preferred manner, the design requirement of the business layer structure 12 is specifically: the minimum clear distance of the shear wall 14 to the core barrel 1 reaches a first threshold value, in particular a first threshold value of 2700 mm.

When the commercial layer structure 12 is used as a mall, a parking lot or a supermarket, since the distance between the structural columns 6 and the outer wall of the layer corresponding to the first outer wall 11 is small, the space between the shear wall 14 and the core barrel 1 needs to be controlled as a main area for people or vehicles to pass through, so that the space between the shear wall 14 and the core barrel 1 can be ensured as the main area for people or vehicles to pass through by the requirement of the minimum clear distance between the shear wall 14 and the core barrel 1.

The beneficial effects of this embodiment: in the design method for the building according to this embodiment, based on the corridor 15 as the fire transition evacuation area and the corridor area where ordinary people enter the office room 3, the clear width of the corridor 15 has certain requirements, the clear width of the structural column 6 is drawn up based on the length dimension parameter of the corridor 15, the dimension parameter of the office room 3 and the commercial floor structure 12, the building calculation model is built, and the control of the upper structural load of the commercial floor structure 12 or the number of the structural columns 6 is used to make the clear width of the structural column 6 to the first outer wall 11 meet the minimum width dimension requirement of the corridor 15 and the design requirement of the commercial floor structure 12 or not by the structural load on the commercial floor structure 12 or the number of the structural columns 6, so as to obtain the final dimension parameters of the structural column 6 and the shear wall 14, and the whole process can take account of the clear width of the corridor 15 and the design requirement of the commercial floor structure 12, so that the structural column 6 and the first outer wall 11 are designed to be used for both the commercial layer structure with the core barrel and the commercial layer structure 12.

Example 4

As shown in fig. 27 and 29, the design method for the building according to the present embodiment takes practical experiments as an example:

the plan layout of the commercial layer structure of the office building is shown in fig. 27, a frame core tube structure is adopted, 28 layers are arranged on the ground, the size of the building plane is 31.50 multiplied by 26.40m, the total height of the building from the outdoor floor to the main roof is 98.00m, and the roof framework is 6.3 m. The structural height-width ratio is 4.76, and the inner cylinder size is 13.35 multiplied by 7.10 m; the basement has 4 layers, the heights of the layers from top to bottom are respectively 6.5 m, 7.0 m, 4.0m and 4.0m, and the buried depth is 21.50 m; the height of 1-2 layers is 6.0m, and the height of the rest layers is 3.3 m. The large-chassis commercial skirt house and the main building are separated by adopting a structural seam, and the structural embedded end is positioned on a top plate of a negative layer of the basement.

The earthquake fortification intensity of the project is 7 degrees, the designed basic earthquake acceleration value is 0.10g, the earthquake grouping third group is provided, the basic wind pressure is 0.30kPa (the structure height exceeds 60m, and 1.1 times of the basic wind pressure is taken during calculation of the bearing capacity), the structure wind load body type coefficient is 1.4, the basic snow pressure is 0.10kPa, the earthquake fortification category of the building is class C, the site category is class II, the design base period is 50 years, the structure safety level is two, the foundation base design level is class A, and the core barrel and the outer frame earthquake resistance level are two levels. According to the structure calculation result, the tower has two general irregular terms of irregular lateral rigidity and multi-tower.

Since the business floor structure 12 at the bottom of the office building is a business and garage, it is desirable to reduce the impact of the frame columns and shear walls on the use of the business and garage in space.

In a commercial layer structure, the minimum width dimension of the outer lane 15 is required to be 2650 mm;

the design requirements of the business layer structure 12 are specifically: the minimum clear distance of the shear wall 14 to the core barrel 1 requires 2700 mm.

Based on the above conditions, the design method is as follows:

s1, setting up the arrangement parameters of the structural columns 6 based on the length dimension parameters of the outer corridor 15, the dimension parameters of the office room 3 and the commercial layer structure 12, specifically; the quantity of structure post 6 is 4, and the distance between the adjacent structure post 6 is respectively: 10050mm, 10800mm, 9450 mm;

s2, building a building calculation model based on the building in the

embodiment

1 or 2, so that the building calculation model meets the requirements, and when the arrangement parameters of the structural column 6 are input, the side length of the structural column 6 and the length of the shear wall 14 are output;

the method specifically comprises the following steps:

as shown in fig. 4 and 25, s21, based on the building described in

embodiment

1 or 2, building a structural three-dimensional model by building structure design software, and inputting the structural layer load of the commercial layer structure 12 and the structural layer load of the commercial layer structure into the structural three-dimensional model to form the building calculation model; (ii) a

As shown in fig. 5-26, s22, inputting the arrangement parameters of the structural columns 6 into the structural three-dimensional model, and calculating:

the reaction force of the commercial layer structure on the floor under the action of earthquake in the X direction (horizontal direction);

the reaction force of the commercial layer structure on the floor under the action of earthquake in the Y direction (vertical direction);

the shear force of the commercial layer structure on the floor under the action of the earthquake in the X direction (horizontal direction);

the commercial layer structure is subjected to floor shearing force under the action of earthquake in the Y direction (vertical direction);

the commercial layer structure is subjected to floor bending moment under the action of earthquake in the X direction (horizontal direction);

the commercial layer structure generates floor bending moment under the action of earthquake in the Y direction (vertical direction);

the commercial layer structure is displaced under the action of earthquake in the X direction (horizontal direction);

the commercial layer structure displaces under the action of earthquake in the Y direction (vertical direction);

the displacement angle of the commercial layer structure between the layers of the building under the action of the earthquake in the X direction (horizontal direction);

the commercial layer structure shifts the angle between the layers of the building under the action of earthquake in the Y direction (vertical direction);

the reaction force of the commercial layer structure on the lower floor under the action of wind load in the X direction (horizontal direction);

the commercial layer structure has the reaction force of the lower floor under the action of wind load in the Y direction (vertical direction);

the commercial layer structure is subjected to floor shearing force under the action of wind load in the X direction (horizontal direction);

the commercial layer structure is subjected to floor shearing force under the action of wind load in the Y direction (vertical direction);

the commercial layer structure is subjected to floor bending moment under the action of wind load in the X direction (horizontal direction);

the commercial layer structure is subjected to floor bending moment under the action of wind load in the Y direction (vertical direction);

the commercial layer structure moves downwards under the action of wind load in the X direction (horizontal direction);

the commercial layer structure moves downwards under the action of wind load in the Y direction (vertical direction);

the commercial layer structure shifts the angle between the layers of the building under the action of the wind load in the X direction (horizontal direction);

the commercial layer structure shifts the angle between the layers of the building under the action of wind load in the Y direction (vertical direction);

and as shown in FIGS. 30-31, the wall axial pressure ratio and column axial pressure ratio for the first (most dangerous) layer are calculated;

the side length of the structural column 6 meeting the standard is 900mmX900mm, and at the moment, the minimum width dimension of the outer corridor 15 is required to be 2620mm and less than 2650 mm;

s3, obtaining the length 4400mm of the shear wall 14 based on the interlayer displacement angle of each layer, the wall axial pressure ratio of the shear wall 14 of the first layer and the column axial pressure ratio of the structural column 6, wherein the minimum clear distance from the shear wall 14 to the core barrel 1 is 1450mm and is smaller than 2700 mm.

S4. either the clear width does not meet the minimum width dimension requirement of the outer lane 15 in step S3, or the structural columns 6 and the shear walls 14 do not meet the design requirements of the commercial layer structure 12, increasing the number of structural columns 6, and repeating steps S1 to S3, recalculating:

and the wall axial pressure ratio 0.58<0.6 for the shear wall 14 of the first (most dangerous case) layer and the column axial pressure ratio 0.65<0.85 for the structural column 6 (as shown in fig. 31 and 32);

index summary

TABLE 1

Firstly, the index requirement is as follows: overall index requirement

Structural regularity (torsional displacement ratio, lateral stiffness ratio, etc.): the requirement of no overrun is met;

structural natural vibration period ratio: not more than 0.9;

structural elastic displacement angle: not greater than 1/800;

second, component calculation requirements

The wall axial pressure ratio is not more than 0.6;

column axial pressure ratio: conventionally no greater than 0.85, stub no greater than 0.80;

column section strength: the calculation requirements of the relevant specifications are met;

column section stability: the calculation requirements of the relevant specifications are met;

the key role of the size of the section of the frame column is the column axial pressure ratio and then the structure elastic displacement angle.

The side length of the structural column 6 is 800mmX800mm, and at the moment, the minimum width dimension of the outer corridor 15 is 2670mm which is more than 2650mm, so that the requirement is met;

as shown in fig. 29, s3, based on the interlayer displacement angle of each layer and the wall axial pressure ratio and column axial pressure ratio of the first layer, the length 3000 of the shear wall 14 is obtained, and the minimum clear distance from the shear wall 14 to the core barrel 1 is 3750 mm, which is greater than 2700mm, so that the requirement that the size parameters of the structural column 6 and the shear wall 14 at this time are final size parameters is satisfied.

Example 5

As shown in fig. 28 and 29, the design method for the building according to the present embodiment takes practical experiments as an example:

the plan layout of the commercial layer structure of the office building is shown in fig. 28, a frame core tube structure is adopted, 28 layers are arranged on the ground, the size of the building plane is 31.50 multiplied by 26.40m, the total height of the building from the outdoor floor to the main roof is 98.00m, and the roof framework is 6.3 m. The structural height-width ratio is 4.76, and the inner cylinder size is 13.35 multiplied by 7.10 m; the basement has 4 layers, the heights of the layers from top to bottom are respectively 6.5 m, 7.0 m, 4.0m and 4.0m, and the buried depth is 21.50 m; the height of 1-2 layers is 6.0m, and the height of the rest layers is 3.3 m. The large-chassis commercial skirt house and the main building are separated by adopting a structural seam, and the structural embedded end is positioned on a top plate of a negative layer of the basement.

Based on the above conditions, the design method is as follows:

s1, setting up the arrangement parameters of the structural columns 6 based on the length dimension parameters of the outer corridor 15, the dimension parameters of the office room 3 and the commercial layer structure 12, specifically; the quantity of structure post 6 is 7, and the distance between the adjacent structure post 6 is respectively: 3075mm, 6975mm, 5550mm, 5250mm, 6375mm, 3075 mm;

s2, building a building calculation model based on the building in the

embodiment

the method specifically comprises the following steps:

as shown in fig. 4, s21, building a three-dimensional model of the structure based on the building described in

embodiment

1 or 2 and by building structure design software;

s22, inputting the arrangement parameters of the structural column 6 into the structural three-dimensional model, and calculating:

as shown in fig. 5-26, the commercial layer structure has a floor reaction force under the action of an X-direction (horizontal) earthquake;

and

as shown in fig. 30-31, the wall axial pressure ratio and column axial pressure ratio for the first (most dangerous) layer are calculated;

obtaining the maximum side length of the structural column 6 as 950mmX950mm, wherein the minimum width dimension of the outer corridor 15 is 2595mm and less than 2650mm, and the requirement is not met;

s3, obtaining the length 1700mm of the shear wall 14 based on the interlayer displacement angle of each layer and the wall axial pressure ratio and column axial pressure ratio of the first layer, wherein the minimum clear distance from the shear wall 14 to the core cylinder 1 is 5050mm and is more than 2700mm, and the requirements are met.

S4. since the clear width does not meet the minimum width dimension requirement of the corridor 15 in step S3, the structural load, in particular, the earthing load of the upper part, of the commercial layer structure 12 is reduced, and steps S1 to S3 are repeated, recalculating:

index summary

TABLE 2

Firstly, the index requirement is as follows: overall index requirement

structural natural vibration period ratio: not more than 0.9;

structural elastic displacement angle: not greater than 1/800;

second, component calculation requirements

The wall axial pressure ratio is not more than 0.6;

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a commercial floor structure with core section of thick bamboo, includes house structure body (10), the house structure body includes core section of thick bamboo (1), core section of thick bamboo (1) outside intercommunication is provided with inner corridor (2), the outside of inner corridor (2) is provided with office room (3), a serial communication port, the outside of office room (3) is provided with outer corridor (15), the outside facade wall of outer corridor (15) does first outer wall (11) of house structure body (10), inner corridor (2) with outer corridor (15) are linked together through passageway (4), office room (3) are configured into: can only pass through outer corridor (15) business turn over office room (3), office room (3) with the wall body between gallery (2) is for sealing the wall body.

2. A commercial storey structure with core barrel according to claim 1 wherein the external porch (15) extends through the house structure body (10).

3. A commercial layer structure with a core barrel, in accordance with claim 2, characterized in that both ends of the outer lane (15) are provided with ventilation openings.

4. A commercial layer structure with core barrel according to claim 3, characterized in that the aisle (4) is perpendicular to the outer corridor (15).

5. A commercial layer structure with core barrel according to claim 1, characterized in that the inner corridor (2) is arranged parallel to the outer corridor (15).

6. A commercial layer structure with core barrel according to claim 1, characterized in that the outer corridor (15) is provided with landscaping areas (5), the landscaping areas (5) being located on the side of the outer corridor (15) close to the first outer wall (11).

7. A commercial layer structure with core barrel according to claim 1, characterized in that the number of office rooms (3) is at least two, all office rooms (3) being in communication with the outer corridor (15) only.

8. A commercial layer structure with core barrel according to claim 1, characterized in that the number of aisles (4) is at least two, and the office rooms (3) are arranged between adjacent aisles (4).

9. A commercial layer structure with core barrel according to claim 1, characterized in that the inner corridor (2), the walkway (4), the office room (3) and the outer corridor (15) are provided on both opposite sides of the core barrel (1).

10. A commercial layer structure with core barrel according to claim 9, characterized in that the end of the inner gallery (2) is provided with a toilet area (8), the wall of the entrance of the toilet area (8) is flush with the vertical wall of the aisle (4) near the toilet area (8).

11. A commercial layer structure with a core cartridge as claimed in claim 10, characterised in that the ends of both side galleries (2) are provided with toilet areas (8), and in that an equipment platform (13) is provided between both side toilet areas (8).

12. A commercial floor structure with core barrel according to any of claims 1-11, characterized in that between the office room (3) and the outer corridor (15) a number of structural columns (6) are arranged, all structural columns (6) being arranged at intervals along the length of the outer corridor (15).

13. A commercial storey structure with core barrel according to claim 12, wherein shear walls (14) are connected to at least two of the structural columns (6), the shear walls (14) being arranged towards the inner corridor (2).

14. A building comprising at least one commercial layer structure with core tubes according to claim 13, further comprising at least one commercial layer structure (12), said structural columns (6), said shear walls (14) and said core tubes (1) extending through said commercial layer structure (12), said commercial layer structure (12) being used as a mall, parking lot or supermarket.

15. A design method for a building according to claim 14, for designing the structural columns (6) and the shear walls (14), comprising the steps of:

s1, setting up the arrangement parameters of the structural columns (6) based on the length dimension parameters of the outer corridor (15), the dimension parameters of the office room (3) and the commercial layer structure (12);

s2, building a building calculation model based on the building of claim 14, so that the building calculation model meets the condition that when the arrangement parameters of the structural columns (6) are input, the side length of the structural columns (6) and the length of the shear wall (14) are output;

s3, calculating the net width from the structural column (6) to the first outer wall (11) based on the structural column (6), determining whether the net width meets the minimum width dimension requirement of the outer corridor (15), and checking whether the structural column (6) and the shear wall (14) meet the design requirement of the commercial layer structure (12);

s4, if the net width does not meet the minimum width dimension requirement of the outer corridor (15) in the step S3 or the structural columns (6) and the shear walls (14) do not meet the design requirement of the commercial layer structure (12), reducing the upper structural load of the commercial layer structure (12) or increasing the number of the structural columns (6), and repeating the steps S1 to S3 until the net width of the structural columns (6) to the first outer wall (11) meets the minimum width dimension requirement of the outer corridor (15) and whether the structural columns (6) and the shear walls (14) meet the design requirement of the commercial layer structure (12), so as to obtain the final dimension parameters of the structural columns (6) and the shear walls (14).

16. A design method for a building according to claim 15, characterized in that said structural columns (6) arrangement parameters comprise the number of said structural columns (6) and the location parameters of all said structural columns (6).

17. The design method for the building according to claim 16, wherein the step S2 specifically comprises the steps of:

s21, building a structural three-dimensional model based on the building of claim 14 through building structure design software, and inputting structural layer loads of a commercial layer structure (12) and structural layer loads of the commercial layer structure into the structural three-dimensional model to form the building calculation model;

and S22, inputting the arrangement parameters of the structural columns (6) into the building calculation model, calculating the floor reaction force, the floor shearing force, the floor bending moment, the floor displacement and the interlayer displacement angle under the action of earthquake and wind load by using the building calculation model, and calculating the column axial pressure ratio of the structural columns (6) to obtain the side length of the structural columns (6), and meanwhile, calculating the floor reaction force, the floor shearing force, the floor bending moment, the floor displacement and the interlayer displacement angle under the action of earthquake and wind load and the wall axial pressure ratio of the shear wall (14) to obtain the length of the shear wall (14).

18. A design method for a building according to claim 17, characterized in that the design requirements of the commercial layer structure (12) are in particular: the minimum clear distance of the shear wall (14) to the core barrel (1) reaches a first threshold value.