CN111472816A - Construction method of corrugated plate support structure and subway cross passage - Google Patents

Abstract

The invention relates to the field of subway channel support, in particular to a construction method of a corrugated plate support structure and a subway transverse channel. The construction method of the corrugated plate support structure includes the following steps: step 1, the upper step of the horse head gate is removed; step 2, the first tie ring waist beam is erected on the upper step; step 3, the corrugated plate is erected on the upper step, and the annular waist beam is erected on the upper step Erection, install longitudinal channel steel; step 4, stop the construction after going up the steps for a certain distance; step 5, break down the steps under the horse head gate; step 6, erect the first ring waist beam on the upper steps; step 7, go up the steps corrugated board Erection, erect the annular waist beam on the steps, and install the longitudinal channel steel; step 8, after forming a ring, backfill and grouting behind the corrugated plate; step 9, cycle step 1 to step 8. Through the arrangement of the inner support ring belt and the outer support ring beam, the present invention greatly improves the overall support strength of the transverse channel and ensures the support effect of the transverse channel.

Description

Construction method of corrugated plate support structure and subway cross passage

technical field

The invention relates to the field of subway channel support, in particular to a construction method of a corrugated plate support structure and a subway transverse channel.

Background technique

During the construction of the subway cross passage, steel grating and shotcrete are required for initial support. This kind of support method will produce smoke and dust pollution to the surrounding environment by using electric welding machine and shotcrete mixture during the use process. Compared with the prefabricated support method, the traditional initial support method has many procedures and low construction efficiency, which affects the construction progress.

However, the prefabricated support method has relatively low support strength because it is a spliced annular structure.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a construction method of a corrugated plate support structure and a subway transverse passage, which can effectively improve the support strength of the prefabricated support method.

Embodiments of the present invention are implemented as follows:

A construction method for a corrugated plate support structure, comprising the following steps:

Step 1, break the steps on the horse head gate;

Step 2, go up the steps and erect the first ring waist beam;

Step 3, erect the corrugated plate on the upper step, erect the annular waist beam on the upper step, and install the longitudinal channel steel;

Step 4, stop the construction after a certain distance on the steps;

Step 5, break down the steps of the horse head gate;

Step 6, go up the steps to erect the waist beam with the first ring;

Step 7, erect the corrugated plate on the upper step, erect the annular waist beam on the upper step, and install the longitudinal channel steel;

Step 8: After forming a ring, backfill grouting behind the corrugated board;

Step 9, cycle Step 1 to Step 8.

In a preferred embodiment of the present invention, in the third step, the corrugated plate is erected and the annular waist beam is erected, and the cyclic construction is carried out.

In a preferred embodiment of the present invention, in the third step, after the annular waist beam is erected, a retracting anchor rod is set.

In a preferred embodiment of the present invention, when the upper step corrugated plate is erected in the third step, a temporary support is added on the upper step, and both sides of the temporary support are connected to the annular waist beam.

In a preferred embodiment of the present invention, the bottom of the temporary support needs to be padded, and a jack can be used to adjust the actual height.

In a preferred embodiment of the present invention, in the third step, the corrugated plate at the position of the arching line and the node of the ring waist beam are connected by three-sided sockets.

In a preferred embodiment of the present invention, in the fourth step, a certain distance for the construction on the steps is 2 meters to 5 meters.

In a preferred embodiment of the present invention, flanges are provided on the corrugated plates, and when the upper-step corrugated plate or the lower-step corrugated plate is erected, bolts are used to connect the flanges on the adjacent corrugated plates to realize The erection of corrugated sheets.

In a preferred embodiment of the present invention, when adjacent corrugated plates are connected, a gasket is provided between the two flanges connected by bolts to prevent water seepage between the corrugated plates.

A subway transverse passage is constructed by using the construction method of the corrugated plate support structure described in any one of the above.

The beneficial effects of the embodiments of the present invention are:

Through the arrangement of the inner support ring belt and the outer support ring beam, the overall support strength of the transverse channel is greatly improved, and the supporting effect of the transverse channel is guaranteed.

The arrangement of the annular plate belt and the annular waist beam of the inner support ring ensures that it can be supported in a large area, and does not require a large number of outer support ring beams. The guaranteed support strength is the same as the above, and the cost is reduced.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore do not It should be regarded as a limitation of the scope, and for those of ordinary skill in the art, other related drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is the construction process flow chart of the corrugated plate support structure provided by the embodiment of the present invention;

2 is a schematic structural diagram of a corrugated plate support structure provided by an embodiment of the present invention;

Fig. 3 is the A-A sectional view of Fig. 2;

4 is a schematic diagram of the connection structure of the outer support ring beam and the inner support ring belt of the corrugated plate support structure provided by the embodiment of the present invention;

5 is a schematic structural diagram of a transverse beam or a vertical beam of a corrugated plate support structure provided by an embodiment of the present invention;

6 is a schematic diagram of the position of the end plates of the transverse beam or the vertical beam of the corrugated plate support structure provided by the embodiment of the present invention;

7 is a schematic diagram of an installation structure between a transverse beam and a vertical beam in a corrugated plate support structure provided by an embodiment of the present invention;

8 is a schematic structural diagram of a steel support of a corrugated plate support structure at the initial stage of a tunnel provided by an embodiment of the present invention;

9 is a schematic structural diagram of a device for adjusting the corrugated plate support structure in the initial stage of a tunnel provided by an embodiment of the present invention;

FIG. 10 is a reference diagram of the use state of the steel support of the corrugated plate support structure at the initial stage of the tunnel provided by the embodiment of the present invention.

In the picture:

1: beam; 2: vertical beam; 3: inner support ring belt; 4: grouting layer; 5: corrugated plate; 6: annular waist beam; 7: outer connecting plate; 8: I-beam; 9: end plate ;10: Mounting hole; 11: Base; 12: Adjustment device; 13: Vertical support; 14: Lateral support; 15: Core soil; 16: Decompression groove, 17: Upper plate; 18: Fixing rod; Fixed sleeve; 20: Lower plate; 21: Lower adjustment rod; 22: Adjustment sleeve; 23: Upper adjustment rod; 24: Hoop; 25: Longitudinal channel steel.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Thus, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product of the invention is usually placed in use, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying The device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second", "third", etc. are only used to differentiate the description and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhanging" etc. do not imply that a component is required to be absolutely horizontal or overhang, but rather may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arranged", "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In the present invention, the construction technology of the corrugated plate support structure is as follows:

1. Reinforcement of horse head door;

2. The steps on the horse head door are broken;

3. The annular waist beam of the first step on the upper step is erected, and the locking anchor rod is set;

4. The corrugated plates on the upper steps are erected, the annular waist beams on the upper steps are erected 6, the annular waist beams 6 are set with locking anchors, and longitudinal channel steel is installed, (the third part of the content cycle construction);

5. Set up temporary supports;

6. The cover is stopped when the construction footage is about 3m on the steps;

7. Break down the steps of the horse head gate;

8. The first ring-shaped waist beam of the lower step is erected, forming a ring with the ring-shaped waist beam 6 of the upper step, and the locking anchor rod is set;

9. The corrugated plate of the lower step is erected, the annular waist beam 6 of the lower step is erected, the annular waist beam 6 is set with locking anchors, and the longitudinal channel steel 25 is installed. ;

10. Temporary support removal;

11. The upper and lower steps are cycled forward for construction.

The construction of corrugated plate support structure is simple, and the construction efficiency is effectively improved. The main process is: earthwork excavation + corrugated plate installation (bolt connection) + backfill grouting behind the initial support.

The corrugated plate supporting structure is used for construction, which effectively solves the cumbersome problem of traditional construction technology, improves construction efficiency, reduces labor costs, and speeds up production progress.

Installation of the first step on the steps: 1 point is set on the upper part of the vault, and 1 point is set above the arch feet of the upper steps on both sides, and the position of the waist beam of the first ring is determined by the lower return value of these three points.

In the present invention, during the installation and construction of the corrugated board, a temporary support 24 can be added on the upper step considering the subsidence of the arch. As shown in Figures 8 and 10, the temporary support 24 is provided with gusset plates on both sides to be bolted to the gusset plate of the ring waist beam . The corrugated board arch and the bottom of the temporary support need to be padded. After the corrugated board on the lower step is formed into a ring, the temporary support is removed and used alternately.

Through the provision of temporary supports, the accuracy of construction can be improved and the settlement can be reduced at the same time.

Specifically, as shown in FIG. 8, the temporary support includes a lateral support 14 and a vertical support 13, the lateral support 14 is located on the core soil 15, a decompression groove 16 is provided under the core soil 15, and the vertical support 13 is erected on the core soil 15. On the lateral support 14 , both sides of the lateral support 14 and the top of the vertical support 13 are provided with a base 11 , and the base 11 supports the corrugated plate 5 .

The temporary support is only performed when the structure is not formed into a loop. In order to facilitate reuse, an adjusting device 12 is provided between the base 11 and the steel support, and the length of the support is adjusted by hand-tightening.

Specifically, as shown in FIG. 9 , the adjusting device 12 includes an upper plate 17 , a lower plate 20 , a fixing sleeve 19 , a fixing rod 18 , an upper adjusting rod 23 , a lower adjusting rod 22 and an adjusting sleeve 22 .

The upper plate 17 and the lower plate 20 are arranged in parallel and opposite to each other, a plurality of fixing rods 18 are arranged on the upper plate 17, a plurality of fixing sleeves 19 are arranged on the lower plate 20, and the fixing sleeves 19 are sleeved on the fixing rod 18; the upper adjusting rod 23 is fixedly arranged on the upper plate 17, the lower adjusting rod 22 is fixedly arranged on the lower plate 20, the upper end of the adjusting sleeve 22 is threadedly connected with the upper adjusting rod 23, and the lower end of the adjusting sleeve 22 is rotatably connected with the lower adjusting rod 22, through the threaded connection In the manner of a screw, the distance between the upper plate 17 and the lower plate 20 can be adjusted, which can facilitate the disassembly and fixing of the steel support and realize reusability.

More specifically, the lower adjusting rod 22 is provided with a hoop 24, the outer portion of the hoop 24 is convex, and steel balls are arranged on the hoop 24, which not only ensures the rotation effect of the adjusting sleeve 22, but also can axially adjust the adjusting sleeve 22. position.

The corrugated plate at the position of the arching line and the joint of the ring-waist beam are connected by three-sided sockets; other parts of the corrugated plate and the joint of the ring-waist beam are staggered, and the bolt holes are properly densified and adjusted at the joint of the ring-waist beam.

The construction of the corrugated plate support structure is controlled from the processing of the corrugated plate. The corrugated plate is processed by a factory-type CNC machine tool, and the raw material is mechanically controlled. Etc., the CNC machining control parameter accuracy is higher than the grid arch machining accuracy, and the high accuracy of the corrugated plate reduces the error probability during the installation process.

The installation and connection of the corrugated plate adopts the flange plate to connect with bolts, which makes it easier to determine the installation size and improve the construction accuracy.

For the construction of corrugated plate support structure, the corrugated plate shall be reserved for backfill grouting joints during processing in the factory according to the design drawings, and the corrugated plates shall be installed according to the drawings. When the mileage of backfill grouting is reached, the backfill grouting pipe joints can be directly connected on site , to carry out backfill grouting behind the initial support to improve construction efficiency, construction accuracy and standardization.

During the construction of the corrugated board support structure, in order to solve the problem of groundwater seepage from the joints of the corrugated board flanges, a waterproof rubber pad is added to the joints of the corrugated board flanges, and the initial backfilling is carried out in time during the construction of the corrugated board. Grouting, and installing longitudinal channel steel on the inside of the corrugated plate to prevent uneven settlement of the corrugated plate, causing water seepage at the joints of the flanges, and ensuring the safety of tunnel construction.

The structures used in some embodiments of the present invention will be described in detail below with reference to FIGS. 2 to 7 . In the case of no conflict, the following embodiments and features in the embodiments may be combined with each other, or the above-mentioned embodiments and features in the embodiments may be combined with each other.

A corrugated plate support structure, which includes an inner support ring belt 3 and an outer support ring beam; the inner support ring belt 3 is arranged in the outer support ring beam, and the inner wall of the inner support ring belt 3 is connected to the outer support ring beam. The inner wall of the ring beam is tangent; the inner support ring belt 3 includes n support plate belts and n+1 annular waist beams 6, and the support plate belt is arranged between two adjacent annular waist beams 6; The annular waist beams 6 at both ends of the retaining ring belt 3 are connected with the outer supporting ring beams.

In this embodiment, through the arrangement of the inner support ring belt 3 and the outer support ring beam, the inside and the outside are combined, which can effectively increase the stability and support strength of the corrugated plate support structure.

Specifically, in this embodiment, the inner support ring belt 3 includes a support plate belt and an annular waist beam 6, the support plate belt mainly plays the role of large-area support, and the annular waist beam 6 is equivalent to an inner support ring The skeleton of the belt 3 can play a role in improving the supporting force and stability.

In the specific installation process, both ends of each support plate belt are fixedly connected with the annular waist beam 6, that is, the installation sequence is the annular waist beam 6, the support plate belt, the annular waist beam 6, the support plate belt, the annular waist beam 6, the support plate belt, the annular waist beam 6 The structure of the waist beam 6, that is, the two ends of the inner support ring belt 3 are annular waist beams 6, and the annular waist beam 6 is fixedly connected with the outer support ring beam, which ensures the strength of the connection and the stability of the connection.

In this embodiment, the number of annular waist beams 6 included in each inner support ring belt 3 is not necessarily the same, but the number of annular waist beams 6 in each inner support ring belt 3 is larger than that of the support plate belt One more in number to ensure the connection strength and connection stability between the support plate belt and the outer support ring beam.

In use, after the outer support ring beam and the inner support ring belt 3 are installed on the outer wall, through the opening on the inner support ring belt 3, grouting is carried out to the outside of the overall corrugated plate support structure to form a grouting layer 4. At this time, the mortar of the grouting layer 4 will fix the outer support ring beam as a whole, and due to the fixed connection between the inner support ring belt 3 and the outer support ring beam, the stability of the inner support ring belt 3 is improved. It has been greatly improved, thereby greatly improving the support strength and support effect of the transverse channel.

In a preferred embodiment of the present invention, the support plate belt includes a plurality of corrugated plates 5, and the corrugated plates 5 are connected in sequence to form a ring shape.

In this embodiment, the support plate belt is an annular belt structure formed by connecting a plurality of corrugated plates 5 in sequence.

The initial corrugated plate support structure system with the corrugated plate 5 as the main force-bearing member, the corrugated plate 5 has a unique structural advantage, and its axial and radial load bearing increases the radial stiffness of the structure. The longitudinal corrugation can also play the effect of displacement compensation, which can better adapt to the uneven deformation of the surrounding rock, especially for underground tunnels. The load effect of the earth pressure and the overall flexible bearing greatly improve the seismic capacity and fatigue performance of the structure, so that the isotropic characteristics of steel can be brought into full play. When using the corrugated plate 5 as the plate support structure, it can be adjusted to different section types (horseshoe, pear, tube, box, circle, etc.) according to the characteristics of the stratum and the needs of use.

In a preferred embodiment of the present invention, an axial fixing beam is also provided on the inner wall of the inner support ring belt 3 , and the axial fixing beam is fixedly connected with the annular waist beam 6 .

Through the arrangement of the axially fixed beams, the adjacent annular waist beams 6 are connected together to form a complete skeleton structure, which can effectively increase the support strength and support stability of the inner support ring belt 3 .

Specifically, there are two ways to set the axially fixed beam. One way is that the two ends of the axially fixed beam are respectively fixedly connected to the side walls of the annular waist beam 6 that are connected to the corrugated plate 5, and the other way is to The length of the axially fixed beam is the same as the width of the inner support ring belt 3 , it is fixedly arranged on the inner side of the annular waist beam 6 , and is connected with all the annular waist beams 6 .

More specifically, in this embodiment, the fixed connection between the axial fixed beam and the annular waist beam 6 may be bolted connection, or welding, riveting, etc., as long as the axial fixed beam can be fixedly arranged in the The annular waist beam 6 can be used.

In a preferred embodiment of the present invention, the length direction of the axially fixed beam is parallel to the axis of the support ring belt, that is, the axially fixed beam is perpendicular to the annular waist beam 6, thereby ensuring the maximum extent of the entire inner support The strength and stability of the grommet belt 3.

It should be pointed out that the axial fixed beam and the annular waist beam 6 may be vertical, or they may not be set vertically, which can be set according to the specific conditions of the transverse channel, as long as the inner support ring belt 3 can be ensured. Support strength.

In a preferred embodiment of the present invention, the outer support ring beam includes a transverse beam 1 and a vertical beam 2, and the transverse beam 1 and the vertical beam 2 are connected in sequence to form a square ring beam.

Specifically, the outer support ring beam retains two transverse beams 1 and two vertical beams 2. During specific installation, as shown in FIG. The waist beam 6 is fixedly connected.

In this embodiment, the specific fixed connection method is bolt connection.

It should be pointed out that the fixed connection between the horizontal beam 1 and the annular waist beam 6 and between the vertical beam 2 and the annular waist beam 6 may be bolt connection, or other fixed connection methods such as riveting and welding.

More specifically, after the inner support ring belt 3 and the outer support ring beam are installed, since the annular waist beam 6 is arc-shaped, and the horizontal beam 1 and the vertical beam 2 are linear, after the two are fixedly connected, they will be A gap is formed between the two annular waist beams 6, so that some positions cannot be supported.

In order to avoid the above situation, in this embodiment, a special-shaped annular waist beam 6 is arranged between the adjacent two annular waist beams 6 at this position, that is, the part of the whole annular waist beam 6 is cut off to form a supplementary support. The arc-shaped waist beam, the two ends of the arc-shaped waist beam are respectively fixedly connected with the inner side walls of the horizontal beam 1 and the vertical beam 2, and the opposite two side walls of the arc-shaped waist beam are respectively fixedly connected with the annular waist beam 6, thereby ensuring that the Complete support of the cross channel.

In a preferred embodiment of the present invention, both the transverse beam 1 and the vertical beam 2 include inner profiles and outer connecting plates 7; the outer connecting plates 7 are arranged on opposite sides of the inner profiles.

In this embodiment, the beams 1 and the vertical beams 2 both include internal forming and external connecting plates 7 , and through the arrangement of the external connecting plates 7 , a plurality of internal profiles can be formed into a whole, which ensures the overall support strength.

Specifically, a plurality of inner profiles are arranged side by side, and then connected by the outer connecting plates 7 arranged on opposite sides to form a complete whole.

In this embodiment, in order to facilitate the installation between the cross beam 1 and the vertical beam 2, an end plate 9 is provided at the end of the inner profile, and the outer connecting plate 7, the end plate 9, and the outer connecting plate 7 are connected in sequence to form a U-shaped The structure can better ensure the strength and stability between multiple internal profiles.

As shown in FIG. 7 , when the horizontal beam 1 and the vertical beam 2 are fixedly connected, the end plate 9 of the horizontal beam 1 and the outer connecting plate 7 of the vertical beam 2 can be abutted, and then fixedly connected by bolts.

More specifically, in a preferred embodiment of the present invention, the internal profiles are double-jointed I-beams 8 .

In this embodiment, the strength of the I-beam 8 is relatively high, and it can meet the support requirements of the transverse channel after being double-spliced.

Specifically, in this embodiment, the upper and lower end surfaces of the I-beam 8 are fixedly connected to the outer connecting plate 7 .

More specifically, in a preferred embodiment of the present invention, the outer connecting plate 7 is provided with mounting holes 10 for cooperating with bolts to realize connection with the inner support.

In order to reduce the number of installation holes 10 on the outer connecting plate 7, in this embodiment, when connecting the horizontal beam 1 or the vertical beam 2 with the annular waist beam 6, the installation hole 10 at the connection position is connected to the annular waist beam 6. The mounting holes 10 are correspondingly arranged, and the same bolt can be used to realize the installation.

In a preferred embodiment of the present invention, the vertical beams 2 are formed by splicing multiple ones.

In a normal horizontal passage, under normal circumstances, the height is relatively high, and the required length of the vertical beams 2 is also longer. In order to facilitate transportation, in this embodiment, the vertical beams 2 are arranged as multiple splices. made.

Specifically, after the short vertical beam 2 is prefabricated in the factory, it is transported to the construction site, and then spliced to make it reach a preset height.

Because the supporting strength required by the beam 1 is relatively large, in this embodiment, it is generally not recommended that the beam 1 be multi-spliced.

A subway cross passage is constructed by using the construction method described in any one of the above.

The beneficial effects of the embodiments of the present invention are:

Through the arrangement of the inner support ring belt 3 and the outer support ring beam, the overall support strength of the transverse channel is greatly improved, and the support effect of the transverse channel is guaranteed.

The arrangement of the annular plate belt of the inner support ring belt 3 and the annular waist beam 6 ensures that it can be supported in a large area, and does not require a large number of outer support ring beams. cost.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A construction method of a corrugated plate supporting structure is characterized by comprising the following steps:

firstly, breaking the upper step of the ingate;

step two, erecting a top step truss annular waist beam;

step three, erecting an upper step corrugated plate, erecting an upper step annular waist beam and installing longitudinal channel steel;

step four, stopping construction after the upper step is constructed for a certain distance;

fifthly, breaking the lower step of the ingate;

step six, erecting a top step truss annular waist beam;

step seven, erecting an upper step corrugated plate, erecting an upper step annular waist beam and installing longitudinal channel steel;

step eight, backfilling grouting at the back of the corrugated plate after forming a ring into a single truss;

step nine, the step one to the step eight are circulated.

2. The construction method of a corrugated plate supporting structure according to claim 1, wherein the corrugated plate erection and the ring-shaped wale erection are performed in the third step, and the circulation construction is performed.

3. The construction method of a corrugated plate supporting structure according to claim 1, wherein in the third step, after the ring-shaped wale is erected, a foot-contracting anchor rod is drilled.

4. The construction method of a corrugated plate supporting structure according to claim 1, wherein a temporary support is added on the upper step when the corrugated plate frame of the upper step of the third step is erected, and both sides of the temporary support are connected with the annular waist rail.

5. The construction method of a corrugated plate supporting structure according to claim 4, wherein the lower side of the temporary support is tamped and an actual height can be adjusted by using a jack.

6. The construction method of a corrugated plate supporting structure according to claim 1, wherein in the third step, the corrugated plate at the arch line position is connected with the ring waist beam node in a three-side socket manner.

7. The construction method of a corrugated plate supporting structure according to claim 1, wherein a certain distance for constructing the upper step is 2 m to 5 m in the fourth step.

8. The method of constructing a corrugated plate supporting structure according to claim 1, wherein the corrugated plates are provided with flanges, and when the upper step corrugated plate or the lower step corrugated plate is erected, the flanges of the adjacent corrugated plates are connected by using bolts, thereby erecting the corrugated plates.

9. The corrugated plate supporting structure of claim 8, wherein a packing is provided between two flanges bolted to each other when the adjacent corrugated plates are coupled, for preventing water from being permeated between the corrugated plates.

10. A subway crossroad comprising a construction method using the corrugated plate supporting structure according to any one of claims 1 to 9.

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