CN-116378254-B - Rail-crossing tunnel arch supporting shear wall system

CN116378254BCN 116378254 BCN116378254 BCN 116378254BCN-116378254-B

Abstract

The invention discloses a track-crossing tunnel arch support shear wall system which comprises a wall supporting structure, an arch-shaped conversion structure and a vibration reduction structure, wherein the wall supporting structure comprises frame support conversion columns and an upper shear wall, the two frame support conversion columns are oppositely arranged, the upper shear wall is connected to the top ends of the two frame support conversion columns, the arch-shaped conversion structure comprises an arch-shaped support beam and a middle floor beam, the arch-shaped support beam is erected between the two frame support conversion columns, two ends of the arch-shaped support beam are respectively connected with the two frame support conversion columns, the middle part of the arch-shaped support beam is arched upwards for supporting the bottom of the upper shear wall, the middle floor beam is connected to two ends of the arch-shaped support beam, and a plurality of vibration reduction structures are arranged between the middle floor beam and the arch-shaped support beam for vibration reduction. According to the invention, a cooperative stress system is formed by the stress characteristics of the arched supporting beams and the structures of the frame support conversion columns, the vibration reduction members, the middle floor beams and the like, so that the load capacity is high, and the reserved space of the lower structure is large.

Inventors

CHEN XING
ZHANG XIAOLIANG
GUO DAWEN
LI XIJIE
CHEN JIA
LIN FEIFEI
HUANG RONGJU
YANG JIAN
LIN PENG

Assignees

广东省建筑设计研究院有限公司
广州珠江外资建筑设计院有限公司

Dates

Publication Date: 20260512
Application Date: 20230407

Claims (10)

1. A track-crossing tunnel arch support shear wall system comprises a wall supporting structure (1), an arch conversion structure (2) and a vibration reduction structure (3), and is characterized in that the wall supporting structure (1) comprises frame support conversion columns (11) and upper shear walls (12), the two frame support conversion columns (11) are oppositely arranged, the upper shear walls (12) are connected to the tops of the two frame support conversion columns (11), the arch conversion structure (2) comprises an arch support beam (21) and a middle floor beam (22), the arch support beam (21) is erected between the two frame support conversion columns (11), the two ends of the arch support beam are respectively connected with the two frame support conversion columns (11), the middle of the arch support beam (21) is arched upwards for supporting the bottom of the upper shear walls (12), the middle floor beam (22) is connected to the two ends of the arch support beam (21), and a plurality of vibration reduction structures (3) are arranged between the middle floor beam (22) and the arch support beam (21) for vibration reduction.
2. The track tunneling arch support shear wall system according to claim 1, wherein the arch-shaped conversion structure (2) comprises frame support conversion beams (23), the frame support conversion beams (23) are connected to two frame support conversion columns (11) and support the upper shear wall (12).
3. The track-crossing tunnel arch shear wall system according to claim 1, wherein each frame-support converting column (11) comprises a bottom platform section (111) and a supporting section (112), the supporting section (112) is vertically arranged on one side of the top surface of the bottom platform section (111), a clamping protrusion (113) is correspondingly formed between the top surface of the bottom platform section (111) and the side surface of the supporting section (112), the clamping protrusions (113) of the two frame-support converting columns (11) are oppositely arranged, and two ends of the arch-shaped supporting beam (21) are respectively clamped and fixed on the corresponding clamping protrusions (113).
4. The track-crossing tunnel arch support shear wall system according to claim 1, wherein the wall supporting structure (1) comprises cast-in-place piles (13), the two cast-in-place piles (13) are oppositely arranged, are vertically arranged on the ground and are positioned below the frame support conversion columns (11) so as to support the frame support conversion columns (11).
5. The track-crossing tunnel arch supporting shear wall system according to claim 4, wherein the wall supporting structure (1) comprises supporting tables (14), the two supporting tables (14) are respectively fixed at the top ends of the corresponding filling piles (13), and the two frame supporting conversion columns (11) are respectively erected on the corresponding supporting tables (14).
6. The track-crossing tunnel arch supporting shear wall system according to claim 5, wherein the wall supporting structure (1) comprises a bottom plate hidden beam (15), the bottom plate hidden beam (15) is connected to two supporting platforms (14), and a plurality of vibration reduction structures (3) are arranged between the bottom plate hidden beam (15) and the middle floor beam (22).
7. The track-crossing tunnel arch support shear wall system according to claim 1, wherein the wall support structure (1) comprises an upper floor beam (16), the upper floor beam (16) is arranged in the upper shear wall (12) in a penetrating way, and two ends of the upper floor beam penetrate through corresponding ground frame support conversion columns (11).
8. The track-crossing tunnel arch support shear wall system according to claim 1, wherein the vibration reduction structure (3) comprises pre-buried plates (31), support inner rods (32) and outer sleeves (33), the two pre-buried plates (31) are respectively arranged on the bottom surface of the arch-shaped supporting beam (21) and the top surface of the middle floor beam (22), and the outer sleeves (33) are sleeved on the outer periphery of the support inner rods (32).
9. The track-crossing tunnel arch support shear wall system according to claim 8, wherein the vibration reduction structure (3) comprises a connecting plate (34) and reinforcing plates (35), the connecting plate (34) is arranged on the periphery of the support inner rod (32) in parallel, the bottom end and the top end of the connecting plate (34) are respectively connected with the reinforcing plates (35), and the two reinforcing plates (35) are respectively connected with the embedded plates (31).
10. The track-crossing tunnel arch support shear wall system according to claim 9, wherein the vibration reduction structure (3) comprises embedded anchor bars (36), the embedded anchor bars (36) are respectively connected to the two embedded plates (31), and the embedded plates (31) are respectively and correspondingly connected with the arch support beams (21) and the middle floor beams (22) through the embedded anchor bars (36).

Description

Rail-crossing tunnel arch supporting shear wall system Technical Field The invention relates to the field of building structures, in particular to a track-crossing tunnel arch supporting shear wall system. Background Shear walls are walls in houses or structures that are primarily subjected to horizontal and vertical loads (gravity) caused by wind loads or seismic action, and are used to prevent structural shear (shear) damage. In recent years, as urban rail tunnel networks are denser, the integration degree of rail traffic and urban high-rise buildings is higher, and more buildings need to be built across the rail tunnels. The requirements of the high-rise shear wall structure on the functions and comprehensive purposes of the lower floor building are higher and higher. The lower floors often require large open floor space, and it is desirable to minimize the distribution of vertical members at the lower floors. The construction of the existing track-crossing tunnel project has the following problems that firstly, the track-crossing tunnel project conversion layer is more in profession and more in coordination work, the problem that a design drawing is wrong easily occurs, the whole project result is slow to advance, the synergy is poor, secondly, the floor layer height above the track-crossing tunnel project conversion layer is different from the floor layer height below the conversion layer, the structural form is different, a weak layer is easily caused by the rigidity mutation of the bottom of a main structure, the span of a vertical component below the main structure is larger, the arrangement of the vertical component is restricted by a track, thirdly, the construction main body above the track-crossing tunnel project conversion layer is different from the construction main body below the conversion layer, and the problem that the reserved condition of the under-cover building cannot meet the requirement of the existing scheme often occurs in the later development of the upper cover property. The conversion related to the track tunnel traffic upper cover building is often far longer than the common building project in terms of conversion span, and how to reasonably design the conversion structure of the type is always a difficult problem. Disclosure of Invention In order to solve the problems, the invention provides a cross-track tunnel arch shear wall system with large reserved space of a lower floor and strong main structure load capacity. The technical scheme is that the track-crossing tunnel arch branch shear wall system comprises a wall supporting structure, an arch-shaped conversion structure and a vibration reduction structure, wherein the wall supporting structure comprises frame branch conversion columns and an upper shear wall, the two frame branch conversion columns are oppositely arranged, the upper shear wall is connected to the top ends of the two frame branch conversion columns, the arch-shaped conversion structure comprises an arch-shaped support beam and a middle floor beam, the arch-shaped support beam is erected between the two frame branch conversion columns, two ends of the arch-shaped support beam are respectively connected with the two frame branch conversion columns, the middle part of the arch-shaped support beam is arched upwards for supporting the bottom of the upper shear wall, the middle floor beam is connected to two ends of the arch-shaped support beam, and a plurality of vibration reduction structures are arranged between the middle floor beam and the arch-shaped support beam for vibration reduction. Further, the arch-shaped conversion structure comprises frame support conversion beams, wherein the frame support conversion beams are connected to the two frame support conversion columns and support the upper shear wall. Further, each frame support converting column comprises a bottom table section and a supporting section, the supporting Duan Li is arranged on one side of the top surface of the bottom table section, a clamping protrusion is correspondingly formed between the top surface of the bottom table section and the side surface of the supporting section, the clamping protrusions of the two frame support converting columns are oppositely arranged, and two ends of the arched supporting beam are respectively clamped and fixed on the corresponding clamping protrusions. Further, the wall body supporting structure comprises filling piles, the two filling piles are arranged relatively, are vertically arranged on the ground and are positioned below the frame support converting column so as to support the frame support converting column. Further, the wall body supporting structure comprises supporting tables, two supporting tables are respectively fixedly arranged at the top ends of the corresponding filling piles, and two frame support conversion columns are respectively vertically arranged on the corresponding supporting tables. Further, the wall body supporting structu