An integrated connection structure of ring frame beam and ground-connected wall of subway station

Abstract

The invention discloses an integrated connection structure of a ring frame beam and a ground-connected wall of a subway station, comprising a ground-connected wall, a pre-embedded steel plate of the ground-connected wall, steel bars on the outer side of the ground-connected wall, a welded steel sleeve, main bars of the ring frame beam, stirrups of the ring frame beam, longitudinal bars of the ring frame beam, distribution bars of the top plate, tension bars of the top plate, and main bars of the top plate. The beneficial effects of the invention are: the connection structure has good integrity, can make full use of the strength of the ground-connected wall, and has high shear strength of the ring frame beam of the station.

Description

Technical Field

[0001] The invention relates to the technical field of rail transit engineering, in particular to an integrated connection structure of a ring frame beam and a ground-connected wall of a subway station. Background Art

[0002] Subway stations are super-large and super-deep structures. The conventional construction method is to first construct ground-connected walls to temporarily support the enclosure structure and create a working environment, and then construct the main structure. The ground-connected walls are only used as temporary structures and not as station load-bearing structures. Due to the limitations of the construction site, the movement of groundwater during the flood season, and the influence of surrounding buildings, the main structure of the subway station is subject to exponentially more soil shear force as the depth of the opening increases. At the same time, in order to fully utilize the stiffness of temporary supporting structures such as ground-connected walls, the ring frame beam is connected to the ground-connected wall as a whole, and the idea of ​​combining permanent and temporary structures is adopted to jointly bear the soil force. This approach can not only give full play to the stiffness characteristics of the ground-connected wall and improve the station's ability to resist soil pressure, but also reduce the cost of the station to a certain extent. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide an integrated connection structure between the ring frame beam and the ground-connected wall of a subway station. It proposes a method of connecting the two separate load-bearing components, the ring frame beam and the ground-connected wall, as a whole by pre-setting steel plate embedded parts, welding sleeves and the ring frame beam stirrups by welding, thereby greatly improving the overall ability of the station to resist soil pressure and reducing the construction cost to a certain extent.

[0004] The object of the present invention is achieved by the following technical solutions: An integrated connection structure of a ring frame beam and a ground-connected wall of a subway station, comprising a ground-connected wall body, the ground-connected wall body being provided with at least one connection groove, the connection groove being provided with a bottom plate 1, a vertical side wall plate 1 and a vertical side wall plate 2, and the depth and width of the connection groove being provided with at least two types;

[0005] A rectangular embedded bar 1 and a rectangular embedded bar 2 are provided on the base plate 1, and the lengths of the rectangular embedded bar 1 and the rectangular embedded bar 2 are provided in at least two kinds. The rectangular embedded bar 1 and the rectangular embedded bar 2 are both provided with a through hole thread 1 and a through hole thread 2, and the base plate 1 also has an embedded blind hole thread 1 and an embedded blind hole thread 2. A connecting column 1 and a connecting column 2 are provided on the base plate 1, and a detachable fixed transverse rod is provided on the top of the connecting column 1 and the connecting column 2.

[0006] In the integrated connection structure of the ring frame beam and the ground-connected wall of the subway station of the present invention, a longitudinal and transverse supporting frame is provided between the vertical side wall plate 1 and the vertical side wall plate 2, and the longitudinal and transverse supporting frame includes a transverse supporting rod 1 and a longitudinal supporting rod 1, and the transverse supporting rod 1 and the longitudinal supporting rod 1 are staggered, and the two ends of the longitudinal supporting rod 1 are embedded in the vertical side wall plate 1 and the vertical side wall plate 2.

[0007] In the integrated connection structure of the ring frame beam and the ground-connected wall of the subway station of the present invention, at least two types of longitudinal and transverse mounting frames are provided, and a mounting groove is provided on both ends of the connecting groove, and at least ten mounting grooves are provided, each mounting groove is provided with a transverse fixing rib, and at least ten transverse fixing ribs are provided, and both ends of each transverse fixing rib are fixed by wire tying.

[0008] In the integrated connection structure of the ring frame beam and the ground-anchored wall of the subway station of the present invention, a welded steel sleeve is provided on the bottom of the connecting column one, and the diameter of the welded steel sleeve is provided with at least two types. A detachable connecting component is provided on the end of the connecting column one, and a detachable connecting component one is provided at the opposite side of the detachable connecting component, and a detachable connecting column two is provided on the detachable connecting component one.

[0009] In the integrated connection structure of the ring frame beam and the ground-connected wall of the subway station of the present invention, the side walls of the connecting column 1 and the connecting column 2 are provided with supporting grooves, and supporting rods 1 are arranged on two or more supporting grooves. The supporting rods 1 are arranged at equal intervals, and the ground-connected wall body also includes outer steel bars of the ground-connected wall, ring frame beam stirrups, ring frame beam longitudinal bars, top plate distribution bars, top plate tension bars and top plate main bars.

[0010] In the integrated connection structure of the ring frame beam and the ground-connected wall of the subway station of the present invention, the connection groove is chiseled inward, and welded steel sleeves are welded in sequence along the extension direction of the ring frame beam according to the designed spacing, wherein the size of the steel sleeves must meet the design requirements; it should be noted that after the ground-connected wall is chiseled out, it should be roughened to facilitate better connection of the newly poured concrete during the subsequent concrete pouring.

[0011] In the integrated connection structure of the ring frame beam and the ground-anchored wall of the subway station of the present invention, the outer steel bars of the ground-anchored wall are exposed on the outside, and are tied with the stirrups of the ring frame beam according to design requirements. The welded steel sleeve is welded to the stirrups of the ring frame beam on both sides, and the welding length is not less than 5 times the diameter of the steel bar.

[0012] In the integrated connection structure of the ring frame beam and the ground-connected wall of the subway station of the present invention, a welded steel sleeve is arranged on the upper and lower parts of the ring frame beam, and the welding length is not less than 5 times the diameter of the steel bar. Rectangular clamping groove 1, rectangular clamping groove 2, rectangular clamping groove 3, rectangular clamping groove 4, rectangular clamping groove 5 and rectangular clamping groove 6 are arranged between the rectangular embedded bar 1 and the rectangular embedded bar 2. The rectangular clamping groove 1, rectangular clamping groove 2, rectangular clamping groove 3, rectangular clamping groove 4, rectangular clamping groove 5 and rectangular clamping groove 6 are concave structures.

[0013] In the integrated connection structure of the ring frame beam and the ground-connected wall of the subway station of the present invention, the top plate tensioning reinforcement is made into 135° hooks at both ends to fix the top plate main reinforcement and the top plate distribution reinforcement, and a blind hole thread three is provided between the two rectangular clamping grooves, and a fixing rod one and a fixing rod two are provided on the connecting column one and the connecting column two, and a clamping rib one and a clamping rib two are provided between the fixing rod one and the fixing rod two, and the ends of the clamping rib one and the clamping rib two are fixed by bolts and fixed by wire tying.

[0014] In the integrated connection structure of the ring frame beam and the ground-connected wall of the subway station of the present invention, the stirrups of the ring frame beam and the slab distribution reinforcement, the main reinforcement of the slab, the distribution reinforcement of the slab and the tension reinforcement of the slab are arranged vertically, and the main reinforcement of the slab is arranged at equal intervals.

[0015] The present invention has the following advantages:

[0016] 1. The ground-connected wall body of the present invention is provided with at least one connecting groove, the connecting groove is provided with a bottom plate 1, a vertical side wall plate 1 and a vertical side wall plate 2, and the depth and width of the connecting groove are provided with at least two types;

[0017] A rectangular embedded bar 1 and a rectangular embedded bar 2 are provided on the bottom plate 1, and the lengths of the rectangular embedded bar 1 and the rectangular embedded bar 2 are provided in at least two ways. The rectangular embedded bar 1 and the rectangular embedded bar 2 are both provided with a through hole thread 1 and a through hole thread 2, and the bottom plate 1 also has an embedded blind hole thread 1 and an embedded blind hole thread 2. A connecting column 1 and a connecting column 2 are provided on the bottom plate 1, and a detachable fixed transverse rod is provided on the top of the connecting column 1 and the connecting column 2. The present invention provides an integrated connection structure between the ring frame beam and the ground-connected wall of a subway station, and proposes that the two separate load-bearing components of the ring frame beam and the ground-connected wall are connected as a whole to bear the load together by pre-setting steel plate embedded parts, welding sleeves and the ring frame beam stirrups are connected by welding, so as to greatly improve the overall ability of the station to resist soil pressure and reduce the construction cost to a certain extent.

[0018] 2. A longitudinal and transverse support frame is provided between the vertical side wall plate 1 and the vertical side wall plate 2 of the present invention, and the longitudinal and transverse support frame includes a transverse support rod 1 and a longitudinal support rod 1, and the transverse support rod 1 and the longitudinal support rod 1 are staggered, and the two ends of the longitudinal support rod 1 are embedded in the vertical side wall plate 1 and the vertical side wall plate 2.

[0019] There are at least two types of longitudinal and transverse mounting frames, and a mounting groove is provided on both ends of the connecting groove, and there are at least ten mounting grooves. Each mounting groove is provided with a transverse fixing rib, and there are at least ten transverse fixing ribs. The two ends of each transverse fixing rib are fixed by binding wire.

[0020] A welded steel sleeve is provided at the bottom of the connecting column one, and the welded steel sleeve has at least two diameters. A detachable connecting component is provided on the end of the connecting column one, and a detachable connecting component one is provided opposite to the detachable connecting component, and a detachable connecting column two is provided on the detachable connecting component one, thereby ensuring integrated construction and stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention;

[0022] Figure 2 It is a structural schematic diagram of the bottom plate 1 of the present invention;

[0023] Figure 3 It is a schematic diagram of the structure of the connecting column 1 and the connecting column 2 in the present invention;

[0024] Figure 4 It is a schematic diagram of the structure of the ring frame beam stirrups in the present invention;

[0025] Figure 5 for Figure 1 A local enlarged schematic diagram of the middle A;

[0026] Figure 6 for Figure 1 A partial enlarged schematic diagram of point B in the middle;

[0027] Figure 7 for Figure 1 A partial enlarged schematic diagram of point C in the middle;

[0028] Figure 8 for Figure 1 A partial enlarged schematic diagram of point D in the middle;

[0029] Fig. 9 for Figure 3 A partial enlarged schematic diagram of point E in the middle.

[0030] In the figure, the ground-connected wall body 1, the connecting groove 2, the bottom plate 13, the rectangular embedded strip 14, the rectangular embedded strip 25, the connecting column 16, the connecting column 27, the mounting groove 10, the transverse fixing rib 11, the welded steel sleeve 12, the detachable connecting column 213, the mounting rod 14, the outer steel bars of the ground-connected wall 15, the ring frame beam stirrups 16, the ring frame beam longitudinal bars 17, the top plate distribution bars 18, the top plate tension bars 19, the top plate main bars 20, the rectangular clamping groove 1 21, the rectangular clamping groove 6 22, the blind hole thread 3 23, the fixing rod 1 24, the fixing rod 2 25, the clamping rib 1 26, and the clamping rib 2 27. DETAILED DESCRIPTION

[0031] The present invention is further described below in conjunction with the accompanying drawings, and the protection scope of the present invention is not limited to the following:

[0032] like Figure 1 to Figure 9 As shown, an integrated connection structure of a ring frame beam and a ground-connected wall of a subway station includes a ground-connected wall body 1, and at least one connection groove 2 is provided on the ground-connected wall body 1. The connection groove 2 is provided with a bottom plate 1 3, a vertical side wall plate 1 and a vertical side wall plate 2, and the depth and width of the connection groove 2 are provided with at least two types;

[0033] A rectangular embedded bar 1 4 and a rectangular embedded bar 2 5 are provided on the bottom plate 1 3, and the rectangular embedded bar 1 4 and the rectangular embedded bar 2 5 have at least two lengths, and the rectangular embedded bar 1 4 and the rectangular embedded bar 2 5 are both provided with a through hole thread 1 and a through hole thread 2, and the bottom plate 1 3 also has embedded blind hole thread 1 and embedded blind hole thread 2, and the bottom plate 1 3 is provided with a connecting column 1 6 and a connecting column 2 7, and a detachable fixed transverse rod is provided on the top of the connecting column 1 6 and the connecting column 2 7.

[0034] A longitudinal and transverse support frame is provided between the vertical side wall plate 1 and the vertical side wall plate 2, and the longitudinal and transverse support frame includes a transverse support rod 1 and a longitudinal support rod 1, and the transverse support rod 1 and the longitudinal support rod 1 are staggered, and the two ends of the longitudinal support rod 1 are embedded in the vertical side wall plate 1 and the vertical side wall plate 2.

[0035] There are at least two types of longitudinal and transverse mounting frames, and mounting grooves 10 are provided on both ends of the connecting groove 2, and there are at least ten mounting grooves 10. Each mounting groove 10 is provided with a transverse fixing rib 11, and there are at least ten transverse fixing ribs 11. The two ends of each transverse fixing rib 11 are fixed by wire tying.

[0036] A welded steel sleeve 12 is provided at the bottom of the connecting column 16, and the welded steel sleeve 12 has at least two diameters. A detachable connecting component is provided at the end of the connecting column 16, and a detachable connecting component 1 is provided opposite to the detachable connecting component, and a detachable connecting column 2 13 is provided on the detachable connecting component 1.

[0037] The side walls of the connecting column 1 6 and the connecting column 2 13 are provided with mounting grooves, and mounting rods 14 are arranged on two or more mounting grooves. The mounting rods 14 are arranged at equal intervals. The ground-connected wall body 1 also includes outer steel bars 15 of the ground-connected wall, ring frame beam stirrups 16, ring frame beam longitudinal bars 17, top plate distribution bars 18, top plate tension bars 19 and top plate main bars 20.

[0038] The connecting groove 2 is set as an inner chisel, and the welded steel sleeves 12 are welded in sequence along the extension direction of the ring frame beam according to the designed spacing, and the size of the steel sleeves must meet the design requirements; it should be noted that after the ground-connected wall is chiseled out, it should be roughened to facilitate better connection of the newly poured concrete during the later concrete pouring.

[0039] The outer steel bars 15 of the ground-connected wall are exposed on the outside, and are bound with the ring frame beam stirrups 16 according to design requirements. The welded steel sleeve 12 is welded to the ring frame beam stirrups 16 on both sides, and the welding length is not less than 5 times the steel bar diameter.

[0040] A welded steel sleeve 12 is arranged above and below the ring frame beam, and the welding length is not less than 5 times the diameter of the steel bar. A rectangular clamping groove 1 21, a rectangular clamping groove 2, a rectangular clamping groove 3, a rectangular clamping groove 4, a rectangular clamping groove 5 and a rectangular clamping groove 6 22 are arranged between the rectangular embedded bar 1 4 and the rectangular embedded bar 2 5. The rectangular clamping groove 1 21, the rectangular clamping groove 2, the rectangular clamping groove 3, the rectangular clamping groove 4, the rectangular clamping groove 5 and the rectangular clamping groove 6 22 are concave structures.

[0041] The top plate tensioning bar 19 is made into 135° hooks at both ends to fix the top plate main bar 20 and the top plate distribution bar 18. A blind hole thread three 23 is provided between the two rectangular clamping grooves. A fixing rod one 24 and a fixing rod two 25 are provided on the connecting column one 6 and the connecting column two 13, and a clamping bar one 26 and a clamping bar two 27 are provided between the fixing rod one 24 and the fixing rod two 25. The clamping bar one 26 and the clamping bar two 27 have an arched structure at one end so that rigid disturbance can be generated, thereby improving the overall stability. The ends of the clamping bar one 26 and the clamping bar two 27 are fixed by bolts and fixed by wire tying.

[0042] The ring frame beam stirrups 16 and the top plate distribution bars 18, the plate main bars, the plate distribution bars, and the plate tension bars are arranged vertically, and the plate main bars are arranged at equal intervals;

[0043] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An integrated connection structure between a ring frame beam and a ground-connected wall of a subway station, characterized in that: It comprises a ground-connected wall body, wherein the ground-connected wall body is provided with at least one connecting groove, the connecting groove is provided with a bottom plate 1, a vertical side wall plate 1 and a vertical side wall plate 2, and the depth and width of the connecting groove are provided with at least two types; The bottom plate 1 is provided with a rectangular embedded bar 1 and a rectangular embedded bar 2, and the lengths of the rectangular embedded bar 1 and the rectangular embedded bar 2 are provided with at least two types, the rectangular embedded bar 1 and the rectangular embedded bar 2 are both provided with a through hole thread 1 and a through hole thread 2, and the bottom plate 1 is also provided with a blind hole thread 1 and a blind hole thread 2, the bottom plate 1 is provided with a connecting column 1 and a connecting column 2, and a detachable fixed transverse rod is provided on the top of the connecting column 1 and the connecting column 2; A longitudinal and transverse support frame is provided between the vertical side wall plate 1 and the vertical side wall plate 2, and the longitudinal and transverse support frame includes a transverse support rod 1 and a longitudinal support rod 1, and the transverse support rod 1 and the longitudinal support rod 1 are staggered, and the two ends of the longitudinal support rod 1 are embedded in the vertical side wall plate 1 and the vertical side wall plate 2; The longitudinal and transverse mounting frames are provided with at least two types, and a mounting groove is provided on both ends of the connecting groove, and at least ten mounting grooves are provided, and each mounting groove is provided with a transverse fixing rib, and at least ten transverse fixing ribs are provided, and both ends of each transverse fixing rib are fixed by a wire tie; A welded steel sleeve is provided at the bottom of the first connecting column, and the welded steel sleeve has at least two diameters. A detachable connecting component is provided at the end of the first connecting column, and a detachable connecting component 1 is provided at the opposite side of the detachable connecting component, and a detachable connecting column 2 is provided on the detachable connecting component 1; The side walls of the connecting column 1 and the connecting column 2 are both provided with mounting grooves, and mounting rods 1 are arranged on two or more mounting grooves. The mounting rods 1 are arranged at equal intervals. The ground-connected wall body also includes outer steel bars of the ground-connected wall, hoop bars of the ring frame beam, longitudinal bars of the ring frame beam, top plate distribution bars, top plate tension bars and top plate main bars.

2. The integrated connection structure of ring frame beam and ground-connected wall of a subway station according to claim 1, characterized in that: The connecting groove is chiseled internally, and welded steel sleeves are welded in sequence along the extension direction of the ring frame beam according to the designed spacing, wherein the size of the steel sleeves must meet the design requirements; it should be noted that after the ground-connected wall is chiseled out, it should be roughened to facilitate better connection of the newly poured concrete during the subsequent concrete pouring.

3. The integrated connection structure of ring frame beam and ground-connected wall of a subway station according to claim 2, characterized in that: The outer steel bars of the ground-anchored wall are exposed on the outside, and are bound with the ring frame beam stirrups according to design requirements. The welded steel sleeve is welded to the ring frame beam stirrups on both sides, and the welding length is not less than 5 times the steel bar diameter.

4. The integrated connection structure of ring frame beam and ground-connected wall of a subway station according to claim 3, characterized in that: A welded steel sleeve is arranged on the upper and lower parts of the ring frame beam, and the welding length is not less than 5 times the diameter of the steel bar. Rectangular clamping groove 1, rectangular clamping groove 2, rectangular clamping groove 3, rectangular clamping groove 4, rectangular clamping groove 5 and rectangular clamping groove 6 are arranged between the rectangular embedded bar 1 and the rectangular embedded bar 2. The rectangular clamping groove 1, rectangular clamping groove 2, rectangular clamping groove 3, rectangular clamping groove 4, rectangular clamping groove 5 and rectangular clamping groove 6 are concave structures.

5. The integrated connection structure of ring frame beam and ground-connected wall of a subway station according to claim 4, characterized in that: The top plate tensioning bar is made into 135° hooks at both ends to fix the top plate main bar and the top plate distribution bar. A blind hole thread three is provided between the two rectangular clamping grooves. A fixing rod one and a fixing rod two are provided on the connecting column one and the connecting column two, and a clamping bar one and a clamping bar two are provided between the fixing rod one and the fixing rod two. The ends of the clamping bar one and the clamping bar two are fixed by bolts and fixed by wire tying.

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