CN217378909U - Subway station enclosure structure - Google Patents
Subway station enclosure structure Download PDFInfo
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- CN217378909U CN217378909U CN202220422699.0U CN202220422699U CN217378909U CN 217378909 U CN217378909 U CN 217378909U CN 202220422699 U CN202220422699 U CN 202220422699U CN 217378909 U CN217378909 U CN 217378909U
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Abstract
The utility model discloses a subway station enclosure structure, which is used as a construction main body during the construction of a subway station; the steel support structure comprises support wall groups which are respectively arranged on two sides of a construction main body and at least two rows of steel support structures which are arranged between the two support wall groups, wherein any one row of steel support structure comprises a plurality of transverse steel supports which are arranged along the length direction of the support wall groups, one end of each transverse steel support is connected with one side support wall group, and the other end of each transverse steel support is movably connected with the other side support wall group through a jack; the supporting wall group comprises a plurality of supporting wall components which are sequentially connected along the length direction of the supporting wall group, and each supporting wall component comprises a steel reinforcement cage and a concrete wall body which is formed by pouring with the steel reinforcement cage. In this way, the utility model discloses to strut the wall group and set up modular structure, make things convenient for the split, the retaining wall component sets up steel reinforcement cage and concrete placement shaping, can guarantee overall structure intensity to, set up multichannel steel bearing structure between two sets of supporting wall groups, can guarantee overall structure's stability.
Description
Technical Field
The utility model relates to a subway station construction technical field especially relates to a subway station envelope.
Background
With the rapid development of cities, subways become an important standard for measuring the development level of the cities. In the construction of the subway, the design of the subway station is extremely important. In underground construction of a subway station, a cover-excavation construction method, a subsurface-excavation construction method and an open-excavation construction method are generally adopted. The cover-excavation construction method is shallow in burial depth, but unearthing and inconvenient in material transportation; the underground excavation construction method is only suitable for tunnel construction and is not suitable for the construction of large-space subway stations. The open cut construction method is simple in construction technology, economical and efficient, but is difficult to protect foundation pit enclosure and original soil around the foundation pit.
The prior art provides a subway station construction main body envelope, including enclosing concrete bored concrete pile, concrete braced system and the steel braced system of establishing around the major structure, the concrete crown beam is pour in succession on concrete bored concrete pile top, and concrete braced system is set up to concrete crown beam inboard, and the concrete bored concrete pile lower part sets up two at least steel braced systems, sets up confined concrete barricade in the crown beam top outside. Although the concrete support system and the steel support system are matched with the cast-in-place concrete pile, the cast-in-place concrete pile can be prevented from deforming and sliding at the bottom due to soil disturbance in the excavation process. However, the concrete retaining wall of the technology has low structural strength and is inconvenient to construct, and in addition, the steel support system is not provided with an axial force compensation system, so that the dismantling difficulty is high and the structure is easy to deform.
Therefore, it is necessary to design a subway station enclosure structure with simple structure, convenient assembly and disassembly, axial force compensation system and high integral structural strength of the retaining wall.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems, the utility model provides a subway station enclosure structure, which sets the supporting wall group into a modular structure, can be assembled quickly and disassembled conveniently, and is convenient for recycling the supporting wall components in the follow-up process; in addition, the supporting wall component is set into a steel reinforcement cage and concrete pouring molding, the strength of the whole structure can be guaranteed, and a plurality of steel supporting structures are arranged between two groups of supporting wall groups, so that the stability of the whole structure can be guaranteed, and the stability of original soil around construction is guaranteed.
In order to achieve the above object, the utility model adopts the following technical scheme:
a subway station enclosure structure is used for a construction main body during the construction of a subway station; the steel support structure comprises support wall groups which are respectively arranged on two sides of a construction main body and at least two rows of steel support structures which are arranged between the two support wall groups, wherein any row of the steel support structures comprises a plurality of transverse steel supports which are arranged along the length direction of the support wall groups, one end of each transverse steel support is connected with the support wall group on one side, and the other end of each transverse steel support is movably connected with the support wall group on the other side through a jack; the supporting wall group comprises a plurality of supporting wall components which are sequentially connected along the length direction of the supporting wall group, and each supporting wall component comprises a steel reinforcement cage and a concrete wall body which is formed by pouring the steel reinforcement cage.
Further, it is two sets of supporting wall group is including the first supporting wall group and the second supporting wall group that set up side by side, first supporting wall group with the relative one side of second supporting wall group all be provided with the waist rail that steel bearing structure corresponds, first supporting wall group with the top of the relative one side of second supporting wall group all is provided with the hat beam along its length direction, first supporting wall group with the both ends of second supporting wall group all are provided with enclosure structure to connect the two.
Furthermore, the horizontal steel support comprises a middle section, a fixed end and a movable end, wherein the fixed end is arranged at one end of the middle section and fixedly connected with the waist beam which is arranged on the inner side of the first supporting wall group, the movable end is arranged at the other end of the middle section and connected with a driving end of the jack, and the jack is abutted against the waist beam which is arranged on the inner side of the second supporting wall group.
Further, be provided with a plurality of rice form stull of being connected with the two respectively between two sets of crown's roof beam, rice form stull include both ends respectively with two sets of the stull main part that the inside wall of crown's roof beam is connected and set up in the bracing at stull main part both ends, the bracing certainly the both sides of the tip of stull main part extend to along the incline direction crown's roof beam.
Furthermore, a connecting rod is arranged in the middle of the rice-shaped support in the middle of the construction main body along the length direction of the construction main body, and a plurality of supporting rods are arranged at the bottom end of the connecting rod along the vertical direction.
Further, the steel reinforcement cage includes along two sets of I-steel of vertical direction setting, set up in two-layerly two-layer mesh reinforcement between the I-steel and lay in mesh reinforcement one side and be the connecting reinforcement of crossing setting each other.
Further, the reinforcing mesh includes that both ends respectively with two sets of the horizontal reinforcing bar that the I-steel is connected and with a plurality of reinforcing bar group that the horizontal reinforcing bar set up perpendicularly each other, reinforcing bar group including follow the longitudinal reinforcement that I-steel length direction set up and set up side by side in longitudinal reinforcement one side and with the glass fiber reinforcement of longitudinal reinforcement proximate to, longitudinal reinforcement with the glass fiber reinforcement passes through U type bolted connection.
Furthermore, two ends of the transverse reinforcing steel bars are respectively connected with the two groups of I-shaped steel bars in a double-side welding mode.
Furthermore, at least four groups of hoisting reinforcing steel bars are arranged at the top ends of the plurality of reinforcing steel bar groups.
Furthermore, a plurality of inclined steel supports are arranged between the enclosing wall structure and the two supporting wall groups.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a subway station enclosure structure, through setting up supporting wall group into modular supporting wall component, can assemble fast and convenient split, also be convenient for follow-up carry out recycle to supporting wall component; in addition, the supporting wall component is set into steel reinforcement cage and concrete placement shaping, and overall structure intensity is good to, set up multichannel steel bearing structure between two sets of supporting wall group, play fine supporting role to supporting wall group, prevent among the excavation process because of the supporting wall group deformation that the soil body disturbance caused, can guarantee overall structure's stability, thereby ensure the stability of former soil around the construction.
2. The utility model discloses a subway station envelope through setting the steel reinforcement cage to the combined type structure that multilayer reinforcing bar net and I-steel constitute to adopt horizontal reinforcing bar and the longitudinal reinforcement and the glass fiber reinforcement cross that tie up each other to form with the reinforcing bar net, guaranteed steel reinforcement cage's structural strength, effectively prevent the supporting wall group deformation problem that soil layer pressure leads to, and the top of reinforcing bar net sets up hoisting structure, the dismouting of being convenient for.
3. The utility model discloses a subway station envelope is connected through the one end with horizontal steel shotcrete and the drive end of jack, forms horizontal steel shotcrete's axle power compensating system, can effective control deep basal pit envelope's deformation, reduces the structural deformation influence of foundation ditch construction to the peripheral building of foundation ditch.
Drawings
Fig. 1 is a schematic structural view of the first half part of the enclosure structure of the subway station of the present invention;
fig. 2 is a schematic structural view of a rear half part of the enclosure structure of the subway station of the present invention;
fig. 3 is a partially enlarged schematic view of the structure of the middle part of the enclosure structure of the subway station of the present invention;
fig. 4 is a schematic structural view of a guide wall of the subway station enclosure structure of the present invention;
fig. 5 is a structural schematic diagram of a horizontal steel support of the subway station enclosure structure of the present invention;
fig. 6 is a schematic view of the connection between the movable end of the envelope of the subway station and the jack of the present invention;
fig. 7 is a schematic structural view of a reinforcement cage of the subway station enclosure structure of the present invention;
fig. 8 is a schematic view of a part of the structure of the reinforcement cage of the subway station enclosure structure of the present invention;
fig. 9 is a schematic structural view of a steel bar group of the subway station enclosure structure of the present invention;
fig. 10 is an installation schematic diagram of the steel bar group and the U-shaped bolt of the subway station enclosure structure of the present invention;
the parts in the drawings are numbered as follows: 1. i-shaped steel; 2. a set of rebars; 3. transverse reinforcing steel bars; 4. connecting reinforcing steel bars; 5. hoisting the reinforcing steel bars; 6. longitudinal reinforcing steel bars; 7. a glass fiber rib; 8. a U-shaped bolt; 81. a U-shaped screw; 82. a base plate; 10. a first support wall group; 20. a second supporting wall group; 30. a rice-shaped cross brace; 31. a connecting rod; 32. a support bar; 40. supporting by using transverse steel; 41. a middle section; 42. fixing the end socket; 43. a movable end; 44. a jack; 50. a wall structure; 51. supporting the oblique steel; 60. a crown beam; 70. a wale; 90. and (4) a guide wall.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not relevant to the present invention are omitted.
In addition, it is also to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Examples
As shown in fig. 1 to 3, a subway station enclosure structure 100 is used for a construction main body during construction of a subway station, and includes support wall groups respectively disposed on two sides of the construction main body, and at least two rows of steel support structures disposed between the two support wall groups. The supporting wall group comprises a plurality of supporting wall components which are sequentially connected along the length direction of the supporting wall group, each supporting wall component is conveniently assembled on site during actual construction, and the supporting wall components can be detached for recycling after construction is finished. The supporting wall member comprises a reinforcement cage and a concrete wall body poured with the reinforcement cage.
The steel support structure can be selected according to the actual construction conditions (such as grooving depth and the like), and two to three steel support structures are generally arranged. Any row of steel bearing structure includes a plurality of horizontal steel shotcrete 40 along supporting wall group length direction setting, and the one end and one side of horizontal steel shotcrete 40 are strutted wall group and are connected, and its other end is strutted wall group swing joint through jack 44 and opposite side, and jack 44 can provide the axial force compensation, effective control deep basal pit retaining structure's deformation.
By the arrangement, the supporting wall group is set into the modularized supporting wall component, so that the supporting wall component can be quickly assembled and conveniently disassembled, and the subsequent recycling of the supporting wall component is facilitated; in addition, the supporting wall component is set into a steel reinforcement cage and is formed by pouring concrete, the overall structure strength is good, multiple steel supporting structures are arranged between two groups of supporting wall groups, the supporting wall groups are well supported, deformation of the supporting wall groups caused by soil disturbance in the excavation process is prevented, and the stability of the overall structure can be guaranteed, so that the stability of original soil around construction is guaranteed.
As shown in fig. 3 to 4, in some embodiments, the retaining wall assembly is constructed by constructing the foundation pit guide wall 90 and then installing the retaining wall assembly along the foundation pit guide wall 90. The guide walls 90 are arranged into two groups, each group of guide walls 90 are all arranged in an L-shaped structure, the upper ends of the guide walls are of horizontal structures and are parallel and level to the ground, the lower ends of the guide walls are arranged along the side wall of the groove, and a concrete cushion is arranged at the bottom end of each guide wall 90. In addition, the internal reinforcing steel bar structure of the guide walls 90 is arranged in a quincunx shape, and a batten support is arranged between the two groups of guide walls 90.
The two supporting wall groups comprise a first supporting wall group 10 and a second supporting wall group 20 which are arranged side by side. The opposite sides of the first supporting wall group 10 and the second supporting wall group 20 are provided with wales 70 corresponding to the steel supporting structures. The top ends of the opposite sides of the first supporting wall group 10 and the second supporting wall group 20 are provided with crown beams 60 along the length direction thereof. The wale 70 and the crown beam 60 are both arranged along the length direction of the supporting wall group to serve as a mounting structure of the steel support. The enclosure structures 50 are disposed at both ends of the first and second retaining wall groups 10 and 20 to connect the two. A plurality of inclined steel supports 51 are arranged between the enclosing wall structure 50 and the two supporting wall groups.
As shown in fig. 5 to 6, in some embodiments, the horizontal steel support 40 includes a middle link 41, a fixed head 42 provided at one end of the middle link 41 and fixedly connected to the wale 70 provided inside the first revetment group 10, and a movable head 43 provided at the other end of the middle link 41 and connected to the driving end of the jack 44. Wherein, the periphery wall of the fixed end 42 is provided with a plurality of groups of stiffening plates to enhance the stability of connection. The upper and lower ends of the movable end 43 are provided with connectors connected to the wale 70, and the middle position thereof is used for the driving end of the jack 44 to pass through. The jack 44 abuts against a wale 70 provided inside the second retaining wall group 20. During construction, the fixing end 42 of the transverse steel support 40 is fixed to the wale 70, and then the jack 44 is controlled to lift up, when the output pressure of the jack 44 reaches a certain value, the transverse steel support 40 can be stably supported between the first supporting wall group 10 and the second supporting wall group 20. So set up, through being connected the one end of horizontal steel shotcrete 40 with the drive end of jack 44, form horizontal steel shotcrete 40's axial force compensating system, can effectively control deep basal pit retaining structure's deformation, reduce the structural deformation influence of foundation ditch construction to the surrounding building of foundation ditch.
In some embodiments, as shown in fig. 3 in particular, a plurality of meter-shaped cross braces 30 are disposed between the two sets of crown beams 60 and connected to the two sets of crown beams 60, each meter-shaped cross brace 30 includes a cross brace body having two ends connected to the inner sidewalls of the two sets of crown beams 60, and inclined braces disposed at two ends of the cross brace body, and the inclined braces extend from two sides of the end of the cross brace body to the crown beams 60 in an inclined direction, which can improve the connection stability of the meter-shaped cross braces 30.
Specifically, a connecting rod 31 is provided at the middle position of the rice-shaped support located at the middle position of the construction body along the length direction of the construction body, and a plurality of support rods 32 are provided at the bottom end of the connecting rod 31 along the vertical direction. The combined structure of the connecting rod 31 and the supporting rod 32 can be applied to an unstable area of a construction main body, so that the stability of the rice-shaped cross brace 30 is enhanced, and the top end of the supporting wall group is prevented from deforming or deviating.
As shown in fig. 7 to 8, in some embodiments, the reinforcement cage includes two sets of i-beams 1 arranged in a vertical direction, two layers of mesh reinforcements arranged between the two sets of i-beams 1, and connecting reinforcements 4 laid on one side of the mesh reinforcements and arranged to cross each other. The connecting reinforcing steel bars 4 and the I-shaped steel 1 are inclined to each other, and the connecting reinforcing steel bars 4 are sequentially connected along the length direction of the I-shaped steel 1 to form a net structure.
As shown in fig. 8 to 10, specifically, the reinforcing mesh includes transverse reinforcing bars 3 having both ends connected to two sets of i-beams 1, respectively, and a plurality of reinforcing bar sets 2 arranged perpendicular to the transverse reinforcing bars 3. Wherein, the two ends of the transverse steel bar 3 are respectively connected with the two groups of I-beams 1 in a double-sided welding mode and welded at the male joint of the I-beams 1. The top of a plurality of reinforcing bar group 2 is provided with four at least groups of hoist and mount reinforcing bars 5. The hoisting reinforcing steel bars 5 are arranged in a U-shaped structure, and the two ends of the hoisting reinforcing steel bars are respectively connected with the different reinforcing steel bar groups 2 of the same layer of reinforcing mesh to form a hoisting structure which is convenient to carry.
Specifically, the reinforcement bar group 2 comprises longitudinal reinforcement bars 6 arranged along the length direction of the i-steel 1 and glass fiber reinforcements 7 arranged on one side of the longitudinal reinforcement bars 6 in parallel and next to the longitudinal reinforcement bars 6. The longitudinal steel bars 6 are connected with the glass fiber bars 7 through U-shaped bolts 8. The U-bolt 8 includes a backing plate 82 and a U-shaped screw 81 having both ends passing through openings of the backing plate 82. The two ends of the U-shaped screw 81 are connected with the backing plate 82 through nuts, and a space for just accommodating the longitudinal steel bar 6 and the glass fiber bar 7 is formed between the U-shaped screw 81 and the backing plate 82, so that the two are bundled.
So set up, through setting the steel reinforcement cage to the combined type structure that multilayer reinforcing mat and I-steel 1 constitute to adopt the transverse reinforcement 3 with the longitudinal reinforcement 6 and the 7 cross connections of glass fiber reinforcement that tie up each other with the reinforcing mat to form, guaranteed the structural strength of steel reinforcement cage, effectively prevent the supporting wall group deformation problem that soil layer pressure leads to, and the top of reinforcing mat sets up hoisting structure, the dismouting of being convenient for.
The above description is only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings of the utility model, or the direct or indirect application in other related technical fields, are included in the patent protection scope of the utility model.
Claims (10)
1. A subway station enclosure structure is used for a construction main body during the construction of a subway station; the steel support structure is characterized by comprising support wall groups which are respectively arranged on two sides of a construction main body and at least two rows of steel support structures which are arranged between the two support wall groups, wherein any one row of the steel support structures comprises a plurality of transverse steel supports (40) which are arranged along the length direction of the support wall groups, one end of each transverse steel support (40) is connected with the support wall group on one side, and the other end of each transverse steel support is movably connected with the support wall group on the other side through a jack (44); the supporting wall group comprises a plurality of supporting wall components which are sequentially connected along the length direction of the supporting wall group, and each supporting wall component comprises a steel reinforcement cage and a concrete wall body which is formed by pouring the steel reinforcement cage.
2. A subway station enclosure structure as claimed in claim 1, wherein said two supporting wall groups include a first supporting wall group (10) and a second supporting wall group (20) which are arranged side by side, a wale (70) corresponding to said steel supporting structure is arranged on each of opposite sides of said first supporting wall group (10) and said second supporting wall group (20), a crown beam (60) is arranged on each of top ends of each of opposite sides of said first supporting wall group (10) and said second supporting wall group (20) along a length direction thereof, and a wall structure (50) is arranged on each of two ends of said first supporting wall group (10) and said second supporting wall group (20) to connect them.
3. A subway station enclosure as claimed in claim 2, wherein said horizontal steel supports (40) comprise a middle section (41), a fixed end (42) disposed at one end of said middle section (41) and fixedly connected to said wale (70) disposed inside said first supporting wall group (10), and a movable end (43) disposed at the other end of said middle section (41) and connected to a driving end of said jack (44), said jack (44) abutting against said wale (70) disposed inside said second supporting wall group (20).
4. A subway station enclosure structure as claimed in claim 3, wherein a plurality of rice-shaped cross braces (30) are provided between two sets of said crown beams (60), said rice-shaped cross braces (30) comprise a cross brace body having both ends connected to inner sidewalls of two sets of said crown beams (60), respectively, and diagonal braces provided at both ends of said cross brace body, said diagonal braces extending from both sides of the end of said cross brace body to said crown beams (60) in an inclined direction.
5. A subway station enclosure as claimed in claim 4, wherein a connecting rod (31) is provided at the middle position of said rice-shaped support at the middle position of said construction body along the length direction of said construction body, and a plurality of support rods (32) are provided at the bottom end of said connecting rod (31) along the vertical direction.
6. A subway station enclosure as claimed in claim 1, wherein said reinforcement cage comprises two sets of i-beams (1) arranged in vertical direction, two layers of mesh reinforcement arranged between two sets of said i-beams (1), and connecting bars (4) laid on one side of said mesh reinforcement and arranged in a cross shape with each other.
7. A subway station enclosure as claimed in claim 6, wherein said reinforcing mesh comprises transverse reinforcing bars (3) having two ends connected to two sets of said I-beams (1), respectively, and a plurality of reinforcing bar sets (2) arranged perpendicular to said transverse reinforcing bars (3), said reinforcing bar sets (2) comprise longitudinal reinforcing bars (6) arranged along the length direction of said I-beams (1), and glass fiber reinforcing bars (7) arranged side by side on one side of said longitudinal reinforcing bars (6) and next to said longitudinal reinforcing bars (6), said longitudinal reinforcing bars (6) and said glass fiber reinforcing bars (7) are connected by U-shaped bolts (8).
8. A subway station enclosure structure as claimed in claim 7, wherein two ends of said transverse steel bars (3) are respectively connected with two groups of said I-beams (1) by means of double-side welding.
9. A subway station enclosure as claimed in claim 7, wherein said sets of reinforcement bars (2) are provided with at least four sets of lifting reinforcement bars (5) at the top end thereof.
10. A subway station enclosure as claimed in claim 2, wherein a plurality of diagonal steel braces (51) are provided between said enclosure structure (50) and said two sets of retaining walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220422699.0U CN217378909U (en) | 2022-02-28 | 2022-02-28 | Subway station enclosure structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220422699.0U CN217378909U (en) | 2022-02-28 | 2022-02-28 | Subway station enclosure structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217378909U true CN217378909U (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220422699.0U Active CN217378909U (en) | 2022-02-28 | 2022-02-28 | Subway station enclosure structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217378909U (en) |
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2022
- 2022-02-28 CN CN202220422699.0U patent/CN217378909U/en active Active
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