CN-122014285-A - Circular working well negative ring pipe piece assembling and supporting system and assembling method thereof

Abstract

The invention discloses a circular working well negative ring pipe piece assembling and supporting system and an assembling method thereof, wherein the system comprises a guide table positioned at the bottom and a guide rail arranged on the guide table, the side end of the guide table is provided with a pier, and the pier is provided with a bottom steel box structure for supporting the bottom side of the negative ring pipe piece. The inside of negative ring section of jurisdiction sets up a set of section of jurisdiction hoop support along tunnel longitudinal side by side. The duct piece circumferential support is formed by splicing a group of arc-shaped support steels, the arc-shaped support steels are arc-shaped I-shaped steels, and the end parts of the adjacent arc-shaped support steels are fixedly connected through assembling plates on the side surfaces after being butted. The construction scheme for splicing and reinforcing the negative ring pipe piece comprehensively ensures construction quality and structural safety through accurate elevation control, a complete stress system and multiple reinforcement supports, and constructs a shield tail to counterforce frame integral force transmission structure through the arrangement of the through steel box, and meanwhile, the annular support, the locking structure and the embedded plate are connected, so that the integral rigidity and the splicing stability of the pipe piece are greatly improved.

Inventors

• QU LINJUN
• ZHOU BIN
• Ma Zhenhang
• FANG KE
• LIU JIARUI
• LIU BO
• ZHANG YAN
• SONG HU
• XU SHAOHONG
• WANG YAQIANG
• LIU BEI
• KONG TIANLONG
• LIANG FENG
• SHEN KAN

Assignees

• 中交（广州）建设有限公司
• 中交二航局深圳建设有限公司
• 中交(深圳)工程局有限公司

Dates

Publication Date

20260512

Application Date

20260316

Claims (10)

1. 1. The circular working well negative ring pipe piece assembling and supporting system comprises a guide table at the bottom and a guide rail arranged on the guide table, and is characterized in that a pier is arranged at the side end of the guide table, and a bottom steel box structure for supporting the bottom side of the negative ring pipe piece is arranged on the pier.
2. 2. The negative annular pipe piece assembling and supporting system of the round working well, as set forth in claim 1, characterized in that the bottom steel box structure is a hollow steel box, the top of the hollow steel box is an inclined structure jointed with the outer edge of the negative annular pipe piece, and the bottom of the hollow steel box is a bottom steel plate.
3. 3. The negative annular pipe piece assembling and supporting system of the round working well according to claim 2, wherein a group of bottom strip-shaped holes are arranged on the bottom steel plate side by side, reinforcing plates are arranged corresponding to the bottom strip-shaped holes, and the reinforcing plates are positioned in the hollow steel box and used for supporting the inclined structure.
4. 4. The negative annular pipe piece assembling and supporting system of the circular working well according to claim 1, wherein a lateral supporting structure is arranged at the waist part corresponding to the outer side of the negative annular pipe piece, the lateral supporting structure comprises a group of embedded steel bars, embedded steel plates and lateral section steel, the embedded steel bars are embedded into a tunnel, the embedded steel plates are used for connecting the embedded steel bars up and down to form a cavity structure, the lateral section steel is arranged in the cavity structure, and the extending end faces of the lateral section steel plates form a lateral supporting side wall guide rail structure.
5. 5. The assembly support system of the circular working well negative ring pipe piece, as set forth in claim 1, wherein the outer side of the guide table is provided with an inclined support structure corresponding to the range of the negative ring pipe piece out of the guide hole, the inclined support structure comprises a triangular support frame and inclined support section steel, the inclined support section steel is fixed at the top of the triangular support frame, and the section steel surface of the inclined support section steel corresponds to the outer side surface of the negative ring pipe piece.
6. 6. The negative ring pipe piece assembling and supporting system of the circular working well, as set forth in claim 1, is characterized in that a group of pipe piece annular supports are arranged in parallel in the longitudinal direction of the tunnel.
7. 7. The negative annular pipe piece assembling and supporting system of the circular working well, as set forth in claim 6, wherein the pipe piece annular support is formed by splicing a group of arc-shaped support steels, the arc-shaped support steels are arc-shaped I-shaped steels, and the end parts of the adjacent arc-shaped support steels are fixedly connected through assembling plates on the side surfaces after being butted.
8. 8. The negative ring pipe piece assembling and supporting system of the circular working well according to claim 7, wherein the middle part of the arc-shaped I-steel is provided with a connecting structure, the connecting structure comprises a connecting plate and a rib plate, the connecting plate is connected with the edge part of the outer flange, the rib plate is arranged between the two flanges and connected with the connecting plate, and the connecting plate is provided with a connecting hole for connecting with the negative ring pipe piece.
9. 9. The negative annular pipe piece assembling and supporting system of the circular working well according to claim 8, wherein a locking structure is arranged between two adjacent pipe piece annular supports, the locking structure is of a square pipe structure, the end part of the square pipe structure is connected with a web plate of the corresponding arc-shaped I-steel, and a locking hole which is correspondingly connected with a pipe piece lifting hole is arranged in the middle of the square pipe structure.
10. 10. -A method of splicing a circular working well negative collar segment splicing support system according to any one of claims 1 to 9, characterized by comprising the following construction steps: S1, constructing a guide table of a negative ring pipe slice and a guide rail and bottom steel box structure on the guide table; s2, positioning construction of guide rails of the two lining side walls; S3, supporting and constructing a tripod outside the negative ring pipe piece; S4, carrying out annular support construction on the inner side duct pieces of the negative circular duct pieces; S5, assembling the negative ring pipe piece.

Description

Circular working well negative ring pipe piece assembling and supporting system and assembling method thereof Technical Field The invention relates to the technical field of shield construction, in particular to a circular working well negative ring pipe piece assembling and supporting system and an assembling method thereof. Background At present, in construction is assembled to shield a negative ring pipe piece in a narrow space combining a round working well and a front guide hole and a rear guide hole, the negative ring pipe piece cannot be assembled in a conventional mode under the condition of the narrow space, 6-7 ring pipe pieces are required to be continuously assembled and then are reversely pushed, the pipe pieces are influenced by self structural gravity in the reverse pushing process, an elliptic phenomenon is easy to occur, the pipe pieces fall down, and certain support is required to be provided in the process of assembling and reversely pushing the negative ring pipe pieces to avoid the risk. The method for assembling and fixing the shield negative ring pipe piece comprises the steps of assembling the negative 7 ring pipe piece and the negative 6 ring pipe piece in a closed ring installation mode, pushing the whole of the two ring pipe pieces to a reaction frame after assembling, timely supporting the support triangular frame longitudinal I-shaped steel and the starting table rail outside the negative 7 ring pipe piece and the negative 6 ring pipe piece by using battens, fixing the negative 7 ring pipe piece and the negative 6 ring pipe piece by using steel wires, installing negative ring anti-roll devices on two sides of the bottoms of the negative 7 ring pipe piece and the negative 6 ring pipe piece, and sequentially installing the rest 6 negative ring pipe pieces by taking the negative 7 ring pipe piece as a reference, wherein if the negative ring pipe piece is not stably supported, the falling risk of the pipe piece is easy to occur. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a circular working well negative annular pipe piece assembling and supporting system and an assembling method thereof, so as to achieve the purpose of stable and reliable assembling of the negative annular pipe piece. In order to solve the technical problems, the invention adopts the following technical scheme: The utility model provides a braced system is assembled to circular work well negative ring pipe piece, is including being located the guide table of bottom and establishing the guide rail on the guide table, the side of guide table is equipped with the pier, is equipped with the bottom steel box structure that is used for supporting negative ring pipe piece bottom side on the pier. Further or preferred: the bottom steel box structure is a hollow steel box, the top of the hollow steel box is an inclined structure attached to the outer edge of the negative ring pipe piece, and the bottom of the hollow steel box is a bottom steel plate. The bottom steel plate is provided with a group of bottom strip-shaped holes side by side, a stiffening plate is arranged corresponding to the bottom strip-shaped holes, and the stiffening plate is positioned in the hollow steel box and supports the inclined structure. The side supporting structure is arranged at the waist part outside the negative ring pipe piece and comprises a group of embedded steel bars, embedded steel plates and side section steel, wherein the group of embedded steel bars are embedded into the tunnel, the embedded steel plates are used for connecting the upper embedded steel bars and the lower embedded steel bars to form a cavity structure, the side section steel is arranged in the cavity structure, and the side section steel extends out of the end face to form a side supporting side wall guide rail structure. The outer side of the guide table corresponds to the front side of the range of the negative ring pipe piece out of the guide hole, and is provided with an inclined strut structure which comprises a triangular support frame and inclined strut section steel, wherein the inclined strut section steel is fixed at the top of the triangular support frame, and the section steel surface of the inclined strut section steel corresponds to the outer side surface of the negative ring pipe piece. The inside of negative ring section of jurisdiction sets up a set of section of jurisdiction hoop support along tunnel longitudinal side by side. The duct piece circumferential support is formed by splicing a group of arc-shaped support steels, the arc-shaped support steels are arc-shaped I-shaped steels, and the end parts of the adjacent arc-shaped support steels are fixedly connected through assembling plates on the side surfaces after being butted. The middle part of arc I-steel is equipped with connection structure, connection structure includes connecting plate and gusset, the connecting plate links to each other with outs