CN210482370U

CN210482370U - Assembled interior wall of track traffic

Info

Publication number: CN210482370U
Application number: CN201920682587.7U
Authority: CN
Inventors: 张启迪; 包晗; 袁珏; 柴家远; 易丹; 奉鹏
Original assignee: Sichuan Metro Technology Co ltd
Current assignee: Sichuan Metro Technology Co ltd
Priority date: 2019-05-12
Filing date: 2019-05-12
Publication date: 2020-05-08
Anticipated expiration: 2029-05-12

Abstract

The rail transit assembled interior wall remarkably improves the safety, environmental protection and civilization requirements of a secondary structure masonry construction operation area in rail transit engineering, greatly improves the construction efficiency, and saves the labor cost and the time cost. The interior wall sets up between superstructure structure and lower floor's building structure, the interior wall includes transversely assembles upper wall body, the lower floor's wall body that forms by prefabricated fire wall board, has the vertical through-hole that horizontal interval set up in the prefabricated fire wall board, and horizontal adjacent prefabricated fire wall board passes through transverse connection structure and connects as an organic wholely. The top of upper wall forms fixed connection through upper end connection structure and superstructure structure, and the bottom of lower floor's wall forms fixed connection through lower extreme connection structure and superstructure structure, and the bottom of upper wall, the top of lower floor's wall form fixed connection through the connection structure between the layer.

Description

Assembled interior wall of track traffic

Technical Field

The utility model relates to a subway station especially relates to an assembled interior wall that is used for inside wall body of subway station.

Background

Generally, an aerated concrete solid block is adopted as an internal wall masonry infilled wall of a station equipment area, and the strength grade is not lower than A5.0, and M7.5 mixed mortar is used for masonry; the partition walls facing public areas, toilets, rooms with water, rooms with wind pressure requirements, lighting distribution rooms and rooms needing weight hanging are built by using lime-sand brick blocks or solid shale bricks with the strength not less than MU10 and M7.5 mixed mortar.

At present, a secondary structure in the subway industry mainly adopts a field wet operation method, mainly comprises the contents of reinforcing steel bar engineering, template engineering, concrete engineering, masonry construction and the like, and has more construction procedures; meanwhile, steel bar workers, woodworkers, tile workers and other workers are needed, and all working procedures are closely connected in the construction process; the use of materials such as on-site shale bricks, mortar, commercial mixing and the like is not beneficial to environmental protection; the process connection and the field test and detection of various materials occupy a large amount of time.

At present, the assembly type station is continuously shown in China, Changchun, Shanghai and other places before the public, and the building of the station enters the building block era from now on; the external structure realizes the assembled type, and then the internal wall realizes the assembled type and becomes the future development trend of the subway. Through preliminary investigation, the application of the assembly wall body in the civil building market is very extensive and mature, but due to the particularity of rail transit, the assembly wall body is not used in the rail transit field.

Furthermore, according to the requirement of a document No. 19 issued by a state institute, the assembly type building accounts for 30% of the area of the newly built building within about 10 years; the requirement in a file of 'novel wall material popularization and application action scheme' is printed by the national development and transformation committee and the Ministry of industry and correspondence, the application proportion of the novel wall material in a newly-built building reaches 90 percent in 2020, wherein the proportion of assembled wall part products reaches 20 percent, and the notice also provides application and system integration technology which needs to be intensively researched and developed for the wall material parts in various assembled buildings; the working key points of 2018, which are printed by the Ministry of domestic housing and construction at the end of 3 months in 2018, put forward an effort to make the urban green building account for 40 percent of the new building at the end of this year. In addition, the Ministry of construction, the Ministry of trade and industry, the State administration of quality control and the State building and construction agency stipulate in No. 295 of 1999 that one hundred and sixty major cities in China forbid the use of solid clay bricks at the time limit, and the State Commission of trade and industry issues a notice about forbidding the use of a solid clay brick city list when listing 10 province cities in 2001, so that the number of the cities in which the solid clay bricks are forbidden is increased to 170. In the notification of the national institute of offices about further promotion of wall material innovation and promotion of energy-saving buildings in 2005, it is clearly indicated that all cities are prohibited from using solid clay bricks by the end of 2010, and the annual output of the national solid clay bricks is controlled to be less than 4000 hundred million blocks. Meanwhile, in 2010, the yield of the novel wall material accounts for more than 55% of the total weight of the wall material, and the building application proportion reaches more than 65%.

At present, the country is in the golden period of rail transit construction, the research and development of the assembly wall body are further promoted by the designation and implementation of the related prohibitions and policies, and the subway internal wall body masonry era of Qin brick Han tile is about to be distinguished.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a rail transit assembled interior wall is provided to show safety, environmental protection, the civilization requirement that promotes secondary structure masonry construction operation region among the rail transit engineering, and improve the efficiency of construction by a wide margin, practice thrift human cost and time cost.

The utility model provides a technical scheme as follows that above-mentioned technical problem took:

the utility model discloses rail transit assembled interior wall, interior wall set up between superstructure structure and superstructure structure, characterized by: the inner wall comprises an upper wall body and a lower wall body which are formed by transversely assembling prefabricated fireproof wallboards, longitudinal through holes which are transversely arranged at intervals are formed in the prefabricated fireproof wallboards, and transversely adjacent prefabricated fireproof wallboards are connected into a whole through a transverse connecting structure; the top of upper wall forms fixed connection through upper end connection structure and superstructure structure, and the bottom of lower floor's wall forms fixed connection through lower extreme connection structure and superstructure structure, and the bottom of upper wall, the top of lower floor's wall form fixed connection through the connection structure between the layer.

In order to further improve the overall strength, the anti-seismic performance and the installation speed of the assembled inner wall structure, as the optimization of the technical scheme, vertical connecting members can be arranged in at least one longitudinal through hole of the prefabricated fireproof wall board which corresponds to the upper layer wall body and the lower layer wall body up and down, and the upper end and the lower end of each vertical connecting member are fixedly connected with the top beam and the ground beam respectively. The utility model has the advantages that the standardization, modularization and integration of the subway equipment room can be realized, the arrangement of the station equipment area is further simplified, the subway station secondary structure space can be further optimized by combining the Building Information Model (BIM) technology, the thickness is smaller than that of building blocks and bricks, the actual use area of the room is increased, and the segmented assembly of the wall body of the room is realized; the integral rigidity, fire resistance limit and weight hanging capacity of the wall body can be obvious; compared with the traditional station, the building method of the air-adding blocks and the shale bricks is adopted, so that the adverse factors such as pollution caused by on-site wet operation and secondary construction can be avoided, and the building period of the wall can be shortened by nearly three-quarters.

Drawings

The specification includes the following seventeen drawings:

fig. 1 is a schematic elevation view of the rail transit assembled interior wall of the present invention.

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic elevation view of the rail transit fabricated interior wall of the present invention;

FIG. 4 is a schematic view of a transverse connection structure in the rail transit fabricated interior wall of the present invention;

FIG. 5 is a schematic view of a transverse connection structure in the rail transit fabricated interior wall of the present invention;

FIG. 6 is a schematic view of a transverse connection structure in the rail transit fabricated interior wall of the present invention;

fig. 7 is a schematic view of a transverse connection structure in the rail transit fabricated interior wall of the present invention;

FIG. 8 is a schematic view of the connection structure of the lower end of the rail transit assembly type inner wall of the present invention;

FIG. 9 is a schematic view of the connection structure of the lower end of the rail transit assembly type inner wall of the present invention;

FIG. 10 is a schematic view of the connection structure of the lower end of the rail transit fabricated interior wall of the present invention;

fig. 11 is a schematic view of the connection structure of the upper end of the rail transit assembly type inner wall according to the present invention;

fig. 12 is a schematic view of the connection structure of the upper end of the rail transit fabricated interior wall of the present invention;

fig. 13 is a schematic view of the connection structure of the upper end of the rail transit fabricated interior wall of the present invention;

fig. 14 is a schematic view of the connection structure of the upper end of the rail transit fabricated interior wall of the present invention;

fig. 15 is a schematic view of a vertical connecting member in the rail transit fabricated interior wall of the present invention;

fig. 16 is a schematic view of the connection structure between layers in the assembled inner wall of the rail transit system of the present invention;

fig. 17 is a schematic view of the connection structure between layers in the assembled inner wall of the rail transit system of the present invention.

The component names and corresponding labels are shown in the figure: the prefabricated fireproof wallboard comprises a prefabricated fireproof wallboard 10, a longitudinal through hole 11, a top plate 21, a top beam 22, a bottom plate 23, a ground beam 24, a ring beam 25, a convex shoulder 31, a bolt and embedded steel plate assembly 32, a central boss 33, a central groove 34, a positioning rod 35, a positioning hole 36, an L-shaped connecting member 41, an upper positioning pile 42, an upper transverse positioning groove 43, an upper transverse positioning boss 44, an upper transverse arc-shaped positioning groove 45, a beam body convex shoulder 46, a plate body convex shoulder 47, an adhesive layer 50, a lower positioning pile 61, a lower transverse positioning groove 62, a lower transverse positioning boss 63, a lower transverse arc-shaped positioning groove 64, a prestressed steel cable 81, a positioning ring 82, a hanging lug 83 and a.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, 2 and 3, the utility model discloses a rail transit assembled interior wall, interior wall set up between superstructure structure and lower floor's building structure. Interior wall includes transversely assembles upper wall body, the lower floor's wall body that forms by prefabricated fire wall board 10, has the vertical through-hole 11 of horizontal interval setting in prefabricated fire wall board 10, and horizontal adjacent prefabricated fire wall board 10 connects as an organic wholely through transverse connection structure. The top of upper wall forms fixed connection through upper end connection structure and superstructure structure, and the bottom of lower floor's wall forms fixed connection through lower extreme connection structure and superstructure structure, and the bottom of upper wall, the top of lower floor's wall form fixed connection through the connection structure between the layer.

The prefabricated fireproof wallboard 10 is usually a prefabricated concrete slab, the fire resistance limit is not lower than 3 hours (reaching the fire protection grade of A1), the sound insulation effect is larger than 40db, the single-point suspension force is larger than 1000N, the water content is smaller than 10%, the bending failure load is larger than the self-weight multiple of the batten by more than 1.5 times, the drying shrinkage value is smaller than 0.6mm/m, and the radioactivity is avoided. The thickness is less than 200mm, the volume weight is approximately equal to the volume weight of water and is less than the volume weight of the aerated block after the aeration block is wholesale (1200-1500 kg/m)³)。

The utility model discloses can realize the standardization of subway equipment room, modularization, integrate and also further retrench the arrangement in station equipment district, optimize subway station secondary structure space, thickness is less than building block and fragment of brick, increases the actual usable floor area in room to realize the segmentation of room wall body and assemble; the rigidity, fire resistance limit and weight hanging capability of the whole wall body can be obvious. Compared with the traditional station, the building method of the air-adding blocks and the shale bricks is adopted, so that the adverse factors such as pollution caused by on-site wet operation and secondary construction can be avoided, and the building period of the wall can be shortened by nearly three-quarters.

The transverse link configuration may have a variety of configurations and forms, and the following are several exemplary configurations:

referring to fig. 4, the transverse connection structure includes a longitudinally extending shoulder 31 provided on one side of the transverse end surface of prefabricated fire wall panel 10, and the shoulders 31 of the left and right prefabricated fire wall panels 10 are staggered. Bolts and embedded steel plate assemblies 32 which enable two adjacent prefabricated fire-proof wall boards 10 to form fixed connection are longitudinally arranged at intervals at the position of the convex shoulder 31 of the prefabricated fire-proof wall board 10 on the right side, and cement mortar is poured into a joint between the prefabricated fire-proof wall boards 10 on the left side and the right side to form a bonding layer 50.

Referring to fig. 5, the transverse connection structure includes a central boss 33 disposed on the transverse end surface of the left prefabricated fire-proof wall panel 10 and a central groove 34 correspondingly disposed on the transverse end surface of the right prefabricated fire-proof wall panel 10, the central boss 33 and the central groove 34 extend in the longitudinal direction, and cement mortar is poured into the joint between the left and right prefabricated fire-proof wall panels 10 to form an adhesive layer 50.

Referring to fig. 6, the transverse connection structure further includes a pair of bolts and embedded steel plate assemblies 32 formed on the right prefabricated fire wall panel 10 at a position corresponding to the central groove 34 and spaced apart from each other in the longitudinal direction so that two adjacent prefabricated fire wall panels 10 form a fixed connection.

Referring to fig. 7, the transverse connection structure further includes positioning rods 35 disposed on both sides of the central boss 33, one end of each positioning rod 35 is fixed in the left prefabricated fire wall panel 10 in a pre-buried manner, and the extending section of each positioning rod 35 is inserted into the positioning holes 36 on both sides of the central groove 34 of the right prefabricated fire wall panel 10.

Referring to fig. 2 and 3, the lower building structure includes a floor beam 24 constructed on the bottom plate 23, the floor beam 24 may be cast on the bottom plate 23 and integrated with the bottom plate 23, or a leveling layer may be disposed on the bottom plate 23, and the floor beam 24 is cast on the leveling layer.

The lower end connecting structure can have various structures and forms, and the following are typical structures:

referring to fig. 8, the lower end connection structure includes lower spuds 61 spaced laterally on the top surface of the floor beam 24 at positions corresponding to the longitudinal through-holes 11 of the prefabricated fire-proof wall panel 10, the lower spuds 61 being inserted into the longitudinal through-holes 11, and cement mortar being poured into the joints between the top surface of the floor beam 24 and the bottom surface of the prefabricated fire-proof wall panel 10 to form the adhesive layer 50.

Referring to fig. 9, the lower end connection structure includes a lower transverse positioning groove 62 provided on the top surface of the ground beam 24 and a lower transverse positioning boss 63 provided at the lower end of the prefabricated fire wall panel 10, and cement mortar is poured into the joints between the top surface of the ground beam 24 and the bottom surface of the prefabricated fire wall panel 10, and between the lower transverse positioning groove 62 and the lower transverse positioning boss 63 to form the adhesive layer 50.

Referring to fig. 10, the lower end connection structure includes a lower transverse arc-shaped positioning groove 64 extending in a transverse direction provided on the bottom surface of the prefabricated fire wall panel 10, and a bonding layer 50 formed by pouring cement mortar into a joint between the top surface of the ground beam 24 and the bottom surface of the prefabricated fire wall panel 10 and the lower transverse arc-shaped positioning groove 64.

Referring to fig. 1 and 11, the superstructure may be a roof 21, or may be composed of a roof 21 and a top beam 22 constructed thereon. The upper end connection structure can have various structures and forms, and the following are typical structures:

referring to fig. 2, the upper end connection structure includes an L-shaped connection member 41 having a lateral leg and a longitudinal leg, the longitudinal leg being located in a lateral joint between the left and right prefabricated fire-proof wall panels 10 and fixed to a lateral end surface of the left prefabricated fire-proof wall panel 10 by an expansion screw. The longitudinal limb is located in the longitudinal joint between the top surface of the right prefabricated fire-proof wall panel 10 and the bottom surface of the superstructure structure, and is fixed on the bottom surface of the superstructure structure by expansion screws. Cement mortar is poured into the transverse joints and the longitudinal joints to form the bonding layer 50.

Referring to fig. 11, the upper end connection structure includes upper spuds 42 spaced apart laterally on the bottom surface of the top beam 22 at positions corresponding to the longitudinal through-holes 11 of the prefabricated fire wall panel 10, the upper spuds 42 being inserted into the longitudinal through-holes 11, and cement mortar being poured into the joints between the bottom surface of the top beam 22 and the top surface of the prefabricated fire wall panel 10 to form an adhesive layer 50.

Referring to fig. 12, the upper end connection structure includes an upper lateral positioning groove 43 provided on the bottom surface of the top beam 22 and an upper lateral positioning boss 44 provided on the upper end of the prefabricated fire wall panel 10, and cement mortar is poured into the joint between the top surface of the top beam 22 and the top surface of the prefabricated fire wall panel 10, the upper lateral positioning groove 43 and the upper lateral positioning boss 44 to form an adhesive layer 50.

Referring to fig. 13, the upper end coupling structure includes upper laterally extending arc-shaped positioning grooves 45 provided on the top surface of prefabricated fire wall panel 10, and cement mortar is poured into the joints between the bottom surface of top beam 22 and the top surface of prefabricated fire wall panel 10 and upper laterally arc-shaped positioning grooves 45 to form an adhesive layer 50.

Referring to fig. 14, the upper end connection structure includes a beam body shoulder 46 disposed at a transverse right side of the top beam 22 and a plate body shoulder 47 correspondingly disposed at a thickness direction left side of the prefabricated fire wall panel 10, bolts and embedded steel plate assemblies 32 for fixing the upper end of the prefabricated fire wall panel 10 to the top beam 22 are disposed at transverse intervals at positions of the beam body shoulder 46 and the plate body shoulder 47, and cement mortar is poured into a joint between the bottom surface of the top beam 22 and the top surface of the prefabricated fire wall panel 10 and between the beam body shoulder 46 and the plate body shoulder 47 to form a bonding layer 50.

In order to further improve the overall strength, the seismic performance and the installation speed of the fabricated interior wall structure, referring to fig. 15, the prefabricated fire wall panels 10 corresponding to the upper and lower walls of the upper and lower walls may be provided with vertical connecting members in at least one longitudinal through hole 11 thereof, and the upper and lower ends of the vertical connecting members are respectively and fixedly connected with the top beam 22 and the ground beam 24. In a preferred structure, the vertical connecting member comprises a hanging lug 83 fixedly mounted on the top beam 22, a cable end fastener 84 fixedly mounted on the ground beam 24, and a prestressed steel cable 81 with two ends fixedly connected with the hanging lug 83 and the cable end fastener 84 respectively and applying prestress, wherein the prestressed steel cable 81 is longitudinally provided with positioning rings 82 at intervals and acting on the wall of the longitudinal through hole 11. For convenience of construction, hand holes are formed on the surface of the prefabricated fire wall panel 10 corresponding to the hanging lugs 83 and the cable end fasteners 84.

Referring to fig. 16, the interlayer connection structure is formed by pouring cement mortar into a joint between the bottom surface of the upper wall and the top surface of the lower wall to form an adhesive layer 50. Referring to fig. 17, the interlayer connection structure may further include a prefabricated or cast-in-place ring beam 25 disposed between the bottom surface of the upper wall and the top surface of the lower wall, and cement mortar is poured into joints between the top surface of the ring beam 25 and the bottom surfaces of the upper wall and the lower wall and the bottom surface of the ring beam 25 to form an adhesive layer 50.

The above is only used for illustrating the basic structure and design principle of the assembled interior wall of the rail transit of the present invention, because it is easy for the ordinary skilled in the same technical field to carry out a plurality of modifications and changes on this basis, therefore, this specification does not intend to limit the present invention to the specific structure, parameters and application range shown and described, so all the corresponding modifications and equivalents that may be utilized all belong to the patent scope applied by the present invention.

Claims

1. Track traffic assembled interior wall, interior wall set up between superstructure structure and lower floor's building structure, characterized by: the inner wall comprises an upper wall body and a lower wall body which are formed by transversely assembling prefabricated fireproof wallboards (10), longitudinal through holes (11) which are transversely arranged at intervals are formed in the prefabricated fireproof wallboards (10), and transversely adjacent prefabricated fireproof wallboards (10) are connected into a whole through a transverse connecting structure; the top of upper wall forms fixed connection through upper end connection structure and superstructure structure, and the bottom of lower floor's wall forms fixed connection through lower extreme connection structure and superstructure structure, and the bottom of upper wall, the top of lower floor's wall form fixed connection through the connection structure between the layer.

2. The rail transit fabricated interior wall of claim 1, wherein: the transverse connecting structure comprises a longitudinally extending convex shoulder (31) arranged on one side of the transverse end face of the prefabricated fire-proof wall board (10), and the convex shoulders (31) of the prefabricated fire-proof wall boards (10) on the left side and the right side are staggered; bolts and embedded steel plate assemblies (32) which enable two adjacent prefabricated fireproof wallboards (10) to form fixed connection are longitudinally arranged at the convex shoulder (31) of the prefabricated fireproof wallboard (10) on the right side at intervals, and cement mortar is poured into a joint between the prefabricated fireproof wallboards (10) on the left side and the right side to form a bonding layer (50).

3. The rail transit fabricated interior wall of claim 1, wherein: the transverse connection structure comprises a central boss (33) arranged on the transverse end face of the prefabricated fireproof wallboard (10) on the left side and a central groove (34) correspondingly arranged on the transverse end face of the prefabricated fireproof wallboard (10) on the right side, the central boss (33) and the central groove (34) extend longitudinally, and cement mortar is poured into a joint between the prefabricated fireproof wallboards on the left side and the right side to form a bonding layer (50).

4. The rail transit fabricated interior wall of claim 3, wherein: the transverse connection structure further comprises a fixed connection bolt and an embedded steel plate assembly (32) which are arranged on the right prefabricated fireproof wallboard (10) at the position corresponding to the central groove (34) at intervals in the longitudinal direction, so that the two adjacent prefabricated fireproof wallboards (10) form the fixed connection bolt and the embedded steel plate assembly.

5. The rail transit fabricated interior wall of claim 3, wherein: the transverse connection structure further comprises positioning rods (35) arranged on two sides of the central boss (33), one ends of the positioning rods (35) are pre-embedded and fixed in the prefabricated fire-proof wall board (10) on the left side, and the extending sections of the positioning rods (35) are inserted into the positioning holes (36) on two sides of the central groove (34) of the prefabricated fire-proof wall board (10) on the right side.

6. The rail transit fabricated interior wall of claim 1, wherein: the sub-structure comprises a floor beam (24) of a floor (23) built thereon.

7. The rail transit fabricated interior wall of claim 6, wherein: the lower end connecting structure comprises lower positioning piles (61) which are arranged on the top surface of the ground beam (24) at intervals in the transverse direction and correspond to the longitudinal through holes (11) of the prefabricated fireproof wall board (10), the lower positioning piles (61) are inserted into the longitudinal through holes (11), and cement mortar is poured into a joint between the top surface of the ground beam (24) and the bottom surface of the prefabricated fireproof wall board (10) to form a bonding layer (50).

8. The rail transit fabricated interior wall of claim 6, wherein: lower extreme connection structure includes horizontal extension's lower horizontal positioning groove (62) that sets up on grade beam (24) top surface to and correspond lower horizontal positioning boss (63) that set up at prefabricated fire wall board (10) lower extreme, and pour into cement mortar in the seam between grade beam (24) top surface and prefabricated fire wall board (10) bottom surface, lower horizontal positioning groove (62) and lower horizontal positioning boss (63) and form adhesive linkage (50).

9. The rail transit fabricated interior wall of claim 6, wherein: the lower end connecting structure comprises a lower transverse arc-shaped positioning groove (64) which is arranged on the bottom surface of the prefabricated fireproof wallboard (10) and transversely extends, and a bonding layer (50) is formed by pouring cement mortar into a joint between the top surface of the ground beam (24) and the bottom surface of the prefabricated fireproof wallboard (10) and between the lower transverse arc-shaped positioning grooves (64).

10. The rail transit fabricated interior wall of claim 1, wherein: the upper end connecting structure comprises an L-shaped connecting member (41) with a transverse limb and a longitudinal limb, wherein the longitudinal limb is positioned in a transverse joint between the left prefabricated fire-proof wallboard (10) and the right prefabricated fire-proof wallboard (10) and is fixed on the transverse end face of the left prefabricated fire-proof wallboard (10) by an expansion screw; the longitudinal limb is positioned in a longitudinal joint between the top surface of the right prefabricated fire-proof wallboard (10) and the bottom surface of the superstructure structure, and is fixed on the bottom surface of the superstructure structure by expansion screws; and cement mortar is poured into the transverse joints and the longitudinal joints to form bonding layers (50).

11. The rail transit fabricated interior wall of claim 6, wherein: the superstructure structure comprises a roof panel (21) and a roof beam (22) constructed thereon.

12. The rail transit fabricated interior wall of claim 11, wherein: the upper end connecting structure comprises upper positioning piles (42) which are arranged on the bottom surface of the top beam (22) at intervals in the transverse direction and correspond to the longitudinal through holes (11) of the prefabricated fireproof wallboard (10), the upper positioning piles (42) are inserted into the longitudinal through holes (11), and cement mortar is poured into a joint between the bottom surface of the top beam (22) and the top surface of the prefabricated fireproof wallboard (10) to form a bonding layer (50).

13. The rail transit fabricated interior wall of claim 11, wherein: the upper end connecting structure comprises an upper transverse positioning groove (43) which is arranged on the bottom surface of the top beam (22) and transversely extends, and an upper transverse positioning boss (44) which is correspondingly arranged at the upper end of the prefabricated fireproof wallboard (10), and cement mortar is poured into a joint between the top surface of the top beam (22) and the top surface of the prefabricated fireproof wallboard (10), the upper transverse positioning groove (43) and the upper transverse positioning boss (44) to form a bonding layer (50).

14. The rail transit fabricated interior wall of claim 11, wherein: the upper end connecting structure comprises an upper transverse arc-shaped positioning groove (45) which is arranged on the top surface of the prefabricated fireproof wallboard (10) and transversely extends, and a bonding layer (50) is formed by pouring cement mortar into a joint between the bottom surface of the top beam (22) and the top surface of the prefabricated fireproof wallboard (10) and the upper transverse arc-shaped positioning groove (45).

15. The rail transit fabricated interior wall of claim 11, wherein: the upper end connection structure includes setting up in roof beam body convex shoulder (46) on the horizontal right side of back timber (22) to and correspond and set up in left plate body convex shoulder (47) of prefabricated fire wall board (10) thickness direction, at roof beam body convex shoulder (46), the horizontal interval in plate body convex shoulder (47) position sets up bolt and pre-buried steel sheet subassembly (32) of fixing prefabricated fire wall board (10) upper end on back timber (22), and at back timber (22) bottom surface and prefabricated fire wall board (10) top surface, cement mortar pours into in the seam between roof beam body convex shoulder (46) and plate body convex shoulder (47) and forms adhesive linkage (50).

16. The rail transit fabricated interior wall of claim 11, wherein: the prefabricated fireproof wall board (10) which corresponds to the upper layer wall body and the lower layer wall body up and down can be provided with a vertical connecting component in at least one longitudinal through hole (11), and the upper end and the lower end of the vertical connecting component are respectively and fixedly connected with the top beam (22) and the ground beam (24).

17. The rail transit fabricated interior wall of claim 16, wherein: the vertical connecting component comprises a suspension loop (83) fixedly arranged on the top beam (22), a cable end fastener (84) fixedly arranged on the ground beam (24) and a prestressed steel cable (81) with two ends respectively fixedly connected with the suspension loop (83) and the cable end fastener (84) and applied with prestress, and positioning rings (82) acting on the wall of the longitudinal through hole (11) are longitudinally arranged on the prestressed steel cable (81) at intervals; hand holes are arranged on the plate surface of the prefabricated fireproof wallboard (10) at the positions corresponding to the hanging lugs (83) and the cable end fasteners (84).

18. The rail transit fabricated interior wall of claim 11, wherein: the interlayer connection structure is characterized in that cement mortar is poured into a joint between the bottom surface of the upper-layer wall body and the top surface of the lower-layer wall body to form a bonding layer (50).

19. The rail transit fabricated interior wall of claim 1, wherein: the interlayer connection structure comprises a prefabricated or cast-in-place ring beam (25) arranged between the bottom surface of the upper wall body and the top surface of the lower wall body, and cement mortar is poured into joints between the top surface of the ring beam (25) and the bottom surfaces of the upper wall body and the lower wall body and the bottom surfaces of the ring beam (25) to form a bonding layer (50).

20. The rail transit fabricated interior wall of claim 1, wherein: the prefabricated fireproof wallboard (10) is a prefabricated concrete slab, the fire resistance limit is not lower than 3 hours, the sound insulation effect is larger than 40db, the single-point suspension force is larger than 1000N, the water content is smaller than 10%, the bending resistance failure load is larger than the dead weight multiple of the batten by more than 1.5 times, the drying shrinkage value is smaller than 0.6mm/m, no radioactivity is generated, and the thickness is smaller than 200 mm.