CN113622461A - Construction method of assembled subway station - Google Patents
Construction method of assembled subway station Download PDFInfo
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- CN113622461A CN113622461A CN202110920255.XA CN202110920255A CN113622461A CN 113622461 A CN113622461 A CN 113622461A CN 202110920255 A CN202110920255 A CN 202110920255A CN 113622461 A CN113622461 A CN 113622461A
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Abstract
The invention provides a construction method of an assembled subway station, which comprises the following steps: excavating a foundation pit; assembling a bottom layer assembly, and when the assembly of the bottom layer assembly with a preset ring number is completed, starting to assemble a middle layer assembly on the bottom layer assembly; when the assembly of the middle layer assembly of the preset number of rings is completed, the assembly of the top layer assembly on the middle layer assembly is started. Compared with the prior art, the invention can start the assembly of the middle layer assembly after the bottom layer assembly is assembled to the preset number of rings, then start the assembly of the top layer assembly after the middle layer assembly is assembled to the preset number of rings, and then assemble the bottom layer assembly, the middle layer assembly and the top layer assembly in a stepped manner at the same time until all the bottom layer assembly, the middle layer assembly and the top layer assembly are completely assembled to form the subway station, thereby improving the assembly efficiency and shortening the construction period.
Description
Technical Field
The invention relates to the technical field of subway station construction, in particular to an assembly type subway station construction method.
Background
With the increase of urban population, people have more and more alternative traveling modes, the subway is a traveling mode selected by many people, a long period is needed for building the subway, and the construction speed is a problem to be solved all the time. In order to solve the problem of subway construction speed, more and more subways are assembled by an assembly type construction method, the existing assembly type construction method is generally assembled by adopting a method that gantry cranes are assembled layer by layer or sequentially assembled into rings one by one, the assembly method is generally low in efficiency, and the construction period and the use requirements are seriously influenced.
Disclosure of Invention
The invention solves the problem of how to improve the construction efficiency of the assembled subway station.
In order to solve the problems, the invention provides a construction method of an assembly type subway station, wherein the assembly type subway station comprises a bottom layer assembly, a middle layer assembly and a top layer assembly, and the bottom layer assembly is mutually connected with the top layer assembly through the middle layer assembly; the construction method of the assembly type subway station comprises the following steps:
excavating a foundation pit;
assembling a bottom layer assembly, and when the bottom layer assembly with a preset number of rings is assembled, starting to assemble the middle layer assembly on the bottom layer assembly;
when the assembly of the middle layer assembly with the preset number of rings is completed, the assembly of the top layer assembly on the middle layer assembly is started.
At this time, the bottom layer assembly, the middle layer assembly and the top layer assembly are arranged in a stepped mode and are assembled simultaneously.
Compared with the prior art, the assembly type subway station construction method can start the assembly of the middle layer assembly after the bottom layer assembly is assembled to the preset number of rings, then start the assembly of the top layer assembly after the middle layer assembly is assembled to the preset number of rings, and then assemble the bottom layer assembly, the middle layer assembly and the top layer assembly simultaneously in a stepped mode until all the bottom layer assembly, the middle layer assembly and the top layer assembly are assembled completely, so that the assembly efficiency is improved, and the construction period is shortened.
Optionally, the bottom layer assembly comprises a bottom member and two bottom corner members, wherein the two bottom corner members are respectively arranged at two ends of the bottom member; the assembly of the bottom layer assembly comprises:
and fixing the bottom component on the bottom surface of the foundation pit by using a gantry crane, and fixing the two bottom corner components at two ends of the bottom component respectively so as to assemble the first ring of the bottom component.
Therefore, the accuracy and stability of the assembly of the first ring bottom layer assembly are guaranteed, and the accuracy of subsequent assembly is guaranteed by taking the first ring bottom layer assembly as a reference.
Optionally, the assembling of the bottom layer assembly further comprises:
after the first ring bottom component is assembled, the rest rings are assembled by using a bottom layer assembling machine, and each ring is longitudinally compressed by using the bottom layer assembling machine.
From this, follow-up bottom subassembly carries out automatic assembly and compresses tightly each ring through bottom erector, has improved assembly efficiency and the steadiness of assembly back bottom subassembly.
Optionally, the assembling the rest rings by using the bottom layer assembling machine comprises:
and fixing the bottom component on the bottom surface of the foundation pit by using the bottom layer assembling machine, and fixing the two bottom corner components at two ends of the bottom component respectively.
Therefore, the assembly of the whole annular bottom layer assembly can be completed by only respectively fixing the two bottom corner members at the two ends of the bottom member, and the assembly of the whole annular bottom layer assembly is completed sequentially and repeatedly.
Optionally, the construction method of the assembly type subway station further includes:
and backfilling the fertilizer tank of the bottom layer assembly when the assembly of the bottom layer assembly with the preset ring number is finished, backfilling the fertilizer tank of the middle layer assembly when the assembly of the middle layer assembly with the preset ring number is finished, and backfilling the fertilizer tank of the top layer assembly when the assembly of the top layer assembly with the preset ring number is finished.
Therefore, the structural strength of the bottom layer assembly, the middle layer assembly and the top layer assembly during assembly is guaranteed.
Optionally, the middle layer assembly includes a middle plate member and two side plate members, bottom ends of the two side plate members are respectively and fixedly connected to top ends of the two bottom corner members, and two ends of the middle plate member are respectively and fixedly connected to the two side plate members; the assembly of the mid-level assembly comprises:
and respectively fixing the two side plate components on the two bottom corner components by using a middle layer assembling machine, and fixing the middle plate component between the two side plate components.
Thus, the assembly of the middle layer assembly continues on the bottom layer assembly.
Optionally, the top layer assembly comprises two top corner components and a top plate component, one end of each of the two top corner components is fixedly connected with the top end of each of the two side plate components, and the two ends of the top plate component are fixedly connected with the other end of each of the two side plate components; the assembly of the topping assembly comprises:
and the top layer assembling machine is utilized to fix the two top corner components at the top ends of the two side plate components respectively, and the top plate component is fixed between the two top corner components.
Thus, the assembly of the top layer assembly continues on the middle layer assembly.
Optionally, the assembling of the bottom layer assembly comprises:
laying a base track at the bottom of the foundation pit, placing a bottom layer assembling machine on the base track by using a gantry crane, and assembling the bottom layer assembly by the bottom layer assembling machine.
Therefore, the bottom layer assembling machine can conveniently move on the base layer track to complete the assembly of all bottom layer components.
Optionally, the assembling of the mid-tier assembly comprises:
and after the bottom layer assembly is assembled to the preset number of rings, starting to lay a bottom layer track on the assembled bottom layer assembly, placing a middle layer assembly machine on the bottom layer track by using the gantry crane, and assembling the middle layer assembly by using the middle layer assembly machine.
Therefore, the middle-layer assembling machine can conveniently move on the bottom layer track to complete the assembly of all the middle-layer components.
Optionally, the assembling of the topping assembly comprises:
and after the middle layer assembly is assembled to the preset number of rings, starting to lay a middle layer track on the assembled middle layer assembly, placing a top layer assembling machine on the middle layer track by using the gantry crane, and assembling the top layer assembly by using the top layer assembling machine.
Therefore, the top layer assembly can move on the middle layer track conveniently to complete the assembly of all the top layer components.
Drawings
Fig. 1 is a flowchart of a construction method of an assembly type subway station according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a construction method of an assembly type subway station according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an assembled subway station according to an embodiment of the present invention.
Description of reference numerals:
1-a bottom layer component, 11-a bottom component, 12-a bottom corner component, 2-a middle layer component, 21-a middle plate component, 22-a side plate component, 3-a top layer component, 31-a top plate component, 32-a top corner component, 4-a bottom layer assembling machine, 5-a middle layer assembling machine, 6-a top layer assembling machine, 7-a first steel support and 8-a second steel support.
Detailed Description
In order to make the objects, 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 drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. In the drawings of the embodiments of the present invention, a coordinate system XYZ is provided, in which a forward direction of an X axis represents a forward direction, a reverse direction of the X axis represents a backward direction, a forward direction of a Y axis represents a right direction, a reverse direction of the Y axis represents a left direction, a forward direction of a Z axis represents an upward direction, and a reverse direction of the Z axis represents a downward direction.
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to fig. 1 and 2, a construction method of an assembly type subway station according to an embodiment of the present invention includes a bottom layer assembly 1, a middle layer assembly 2, and a top layer assembly 3, where the bottom layer assembly 1 is connected to the top layer assembly 3 through the middle layer assembly 2; the construction method of the assembly type subway station comprises the following steps:
excavating a foundation pit;
assembling the bottom layer assembly 1, and when the assembly of the bottom layer assembly 1 with the preset ring number is completed, assembling the middle layer assembly 2 on the bottom layer assembly 1;
when the middle layer assembly 2 with the preset number of rings is assembled, the top layer assembly 3 is assembled on the middle layer assembly 2, and the bottom layer assembly 1, the middle layer assembly 2 and the top layer assembly 3 are arranged in a stepped mode and are assembled simultaneously.
Specifically, as shown in fig. 2, in the present embodiment, after the excavation of the foundation pit is completed, the bottom layer assembly 1 is assembled, and after the bottom layer assembly 1 is assembled to a predetermined number of rings, the middle layer assembly 2 is assembled on the bottom layer assembly 1, and at this time, the bottom layer assembly 1 and the middle layer assembly 2 are assembled at the same time. When the assembly progress of the middle layer assembly 2 reaches the preset number of rings, the assembly of the top layer assembly 3 on the middle layer assembly 2 is started, a complete ring can be formed when the assembly of the top layer assembly 3 and the middle layer assembly 2 is completed, and at the moment, the bottom layer assembly 1, the middle layer assembly 2 and the top layer assembly 3 are assembled in a stepped mode simultaneously. It should be understood that when the top layer assembly 3 completes the assembly of a predetermined number of rings, the middle layer assembly 2 completes the assembly of a second predetermined number of rings, and the bottom layer assembly 1 completes the assembly of a third predetermined number of rings, that is, the bottom layer assembly 1 always completes one more predetermined number of rings than the middle layer assembly 2, and the middle layer assembly 2 always completes one more predetermined number of rings than the top layer assembly 3, so that the bottom layer assembly 1, the middle layer assembly 2 and the top layer assembly 3 can be assembled simultaneously, and the working efficiency is further improved compared with the sequential ring formation or the final assembly of the top layer assembly 3 after the assembly of all the bottom layer assemblies 1 is completed, the middle layer assembly 2 is assembled again.
It should be noted that, after the bottom layer assembly 1 is assembled to the predetermined number of rings, when the middle layer assembly 2 is assembled, the assembly of the bottom layer assembly 1 is not stopped, and at this time, the bottom layer assembly 1 and the middle layer assembly 2 are assembled simultaneously. Therefore, after the assembly of the bottom layer assembly 1 reaches the preset number of rings for the first time, the assembly of the middle layer assembly 2 is started, and after the assembly of the middle layer assembly 2 reaches the preset number of rings for the first time, the bottom layer assembly 1 reaches the preset number of rings for the second time. After the middle layer assembly 2 is assembled to reach the preset number of rings, the top layer assembly 3 starts to be assembled, the bottom layer assembly 1 and the middle layer assembly 2 are not assembled, and then the bottom layer assembly 1, the middle layer assembly 2 and the top layer assembly 3 are assembled at the same time. Therefore, after the top layer component 3 is assembled for the first time to reach the preset number of rings, the middle layer component 2 reaches the preset number of rings for the second time, the bottom layer component 1 reaches the preset number of rings for the third time, and the bottom layer component 1, the middle layer component 2 and the top layer component 3 can be assembled continuously and simultaneously in a stepped mode until the assembly is completed.
It should be understood that the number of rings refers to the number of the bottom floor module 1, the middle floor module 2, or the top floor module 3 arranged in the running direction of the subway.
It should be noted that, in this embodiment, after all the bottom layer components 1 are assembled, the middle layer components 2 are assembled on the bottom layer components 1, and after all the middle layer components 2 are assembled, the top layer component 3 is finally assembled on the middle layer component 2.
Referring to fig. 2 and 3, preferably, the bottom layer assembly 1 includes a bottom member 11 and two bottom corner members 12, the two bottom corner members 12 are respectively disposed at two ends of the bottom member 11, when the bottom layer assembly 1 is assembled, a first ring of the bottom layer assembly 1 is assembled by a gantry crane, the bottom member 11 is fixed on the bottom surface of the foundation pit by the gantry crane, then the two bottom corner members 12 are respectively fixed at two ends of the bottom member 11 to complete the assembly of the first ring of the bottom layer assembly 1, and after the first ring of the bottom layer assembly 1 is assembled, the bottom member 11 and the two bottom corner members 12 are fixed together.
Therefore, when the bottom layer assembly 1 is assembled, the first ring is assembled through the gantry crane, and the accuracy in assembling at the beginning is ensured
Preferably, the assembly of the sub-assembly 1 further comprises: and assembling the rest ring bottom components 1 by using the bottom layer assembling machine 4 and utilizing the bottom layer assembling machine 4 to longitudinally compress each ring, so that the stability of the bottom layer component 1 is ensured.
It should be understood that the longitudinal pressing means pressing in a direction perpendicular to the ground, and each ring is pressed in a direction perpendicular to the ground by the bottom layer erector 4, so that the stability after assembly is ensured.
Assembling the rest of the ring bottom assembly 1 with the bottom erector 4 in this embodiment includes fixing the bottom member 11 to the bottom surface of the foundation pit with the bottom erector 4, and fixing the two bottom corner members 12 to both ends of the bottom member 11, respectively.
Referring to fig. 3, specifically, the bottom assembly 1 includes a bottom member 11 and two bottom corner members 12, the bottom assembly machine 4 needs to fix the bottom member 11 on the bottom surface of the foundation pit, then the two bottom corner members 12 are installed to two ends of the bottom member 11, so as to complete the assembly of a ring of bottom assemblies 1, and the assembly of the bottom member 11 and the two bottom corner members 12 is repeated until the assembly of all the bottom assemblies 1 is completed.
In this embodiment, the subway station construction method further includes: and backfilling the fertilizer tank of the bottom layer assembly 1 every time the assembly of the bottom layer assembly 1 with a preset number of rings is completed, backfilling the fertilizer tank of the middle layer assembly 2 every time the assembly of the middle layer assembly 2 with a preset number of rings is completed, and backfilling the fertilizer tank of the top layer assembly 3 every time the assembly of the top layer assembly 3 with a preset number of rings is completed.
In one embodiment, after the first predetermined number of rings of sub-assemblies 1 are completed, the fertilizer tank of the sub-assembly 1 within the first predetermined number of rings is backfilled. When the bottom layer assembly 1 finishes the second preset number of rings, the middle layer assembly 2 finishes the first preset number of rings, and the fertilizer grooves of the bottom layer assembly 1 in the second preset number of rings and the middle layer assembly 2 in the first preset number of rings are backfilled. When the bottom layer assembly 1 finishes the third preset number of rings, the middle layer assembly 2 finishes the second preset number of rings and the top layer assembly 3 finishes the first preset number of rings, the fertilizer tanks of the bottom layer assembly 1 in the third preset number of rings, the middle layer assembly 2 in the second preset number of rings and the top layer assembly 3 in the first number of rings are backfilled, and the structural strength in the construction process is guaranteed. And the rest can be done in the same way until all the fertilizer grooves of the bottom layer assembly 1, the middle layer assembly 2 and the top layer assembly 3 are backfilled.
Referring to fig. 2 and 3, in the present embodiment, the middle layer assembly 2 includes a middle plate member 21 and two side plate members 22, bottom ends of the two side plate members 22 are respectively fixedly connected to top ends of the two bottom corner members 12, and two ends of the middle plate member 21 are respectively fixedly connected to the two side plate members 22; after the bottom assembly 1 is assembled to the predetermined number of rings, the middle assembly machine 5 is used to fix the two side plate members 22 on the two bottom corner members 12 of the bottom assembly 1, respectively, and the middle plate member 21 is assembled and fixed between the two side plate members 22, thereby completing the assembly of the middle assembly 2 on the bottom assembly 1.
As shown in fig. 3, preferably, the top layer assembly 3 includes two corner angle members 32 and a top plate member 31, one end of each of the two corner angle members 32 is fixedly connected to the top end of each of the two side plate members 22, and both ends of the top plate member 31 are fixedly connected to the other end of each of the two side plate members 22, after the middle layer assembly 2 is assembled to a predetermined number of rings, the top layer assembly machine 6 is used to fix the two corner angle members 32 to the top ends of the two side plate members 22 of the middle layer assembly 2, and the top plate member 31 is fixed between the two corner angle members 32, so as to complete the assembly between the middle layer assembly 2 and the top layer assembly 3.
As a preferred embodiment, rails are laid before the assembly of the top layer assembly 3, the middle layer assembly 2 and the top layer assembly 3, and the assembly of the bottom layer assembly 1, the middle layer assembly 2 and the top layer assembly 3 is respectively carried out by arranging corresponding assembling machines on each rail.
Specifically, after the assembly of the first ring bottom assembly 1 is completed through the gantry crane, a base layer track is laid at the bottom of the foundation pit, then the bottom erector 4 is placed on the base layer track through the gantry crane, and the continuous assembly of the multi-ring bottom assembly 1 is realized through the movement of the base layer erector on the base layer track.
It should be noted that, the base track is completely laid at the bottom of the foundation pit at the beginning, the gantry crane can continuously assemble the bottom component 1 by placing the bottom erector 4 on the base track, and the bottom track and the middle track are correspondingly increasingly laid along with the number of times of completing the predetermined number of loops of the components.
Specifically, as shown in fig. 2, after the bottom layer assembly 1 is assembled to the predetermined number of rings, a bottom layer track is laid on the bottom layer assembly 1 which completes the predetermined number of rings for the first time, the middle layer erector 5 is placed on the bottom layer track by the gantry crane, and the middle layer erector 5 moves on the bottom layer track, so that the middle layer assembly 2 which completes the predetermined number of rings for the first time is assembled on the bottom layer assembly 1 which completes the predetermined number of rings for the first time, at this time, the bottom layer erector 4 and the middle layer erector 5 operate simultaneously, and after the middle layer assembly 2 completes the predetermined number of rings for the first time, at this time, the bottom layer assembly 1 completes the assembly which completes the predetermined number of rings for the second time.
After the middle layer assembly 2 finishes the assembly of the first preset ring number, the bottom layer assembly 1 finishes the assembly of the second preset ring number, the middle layer assembly 2 which finishes the first preset ring number is paved with a first section of middle layer track, meanwhile, the bottom layer assembly 1 which finishes the second preset ring number is paved with a second section of bottom layer track, after the middle layer track and the second section of bottom layer track are paved, the top layer assembling machine 6 is placed on the first section of middle layer track through a gantry crane, and at the moment, the bottom layer assembling machine 4, the middle layer assembling machine 5 and the top layer assembling machine 6 are simultaneously started to respectively assemble the bottom layer assembly 1, the middle layer assembly 2 and the next preset ring number of the top layer assembly 3. It should be understood that the next predetermined number of rings of assembly at this time means that the bottom layer assembly 1 completes the third predetermined number of rings of assembly, the middle layer assembly 2 completes the second predetermined number of rings of assembly, and the top layer assembly 3 completes the first predetermined number of rings of assembly. When the next preset number of rings is assembled again, a third section of bottom track needs to be laid on the bottom component 1 with the third preset number of rings and a second section of middle track needs to be laid on the middle component 2 with the second preset number of rings, and then the bottom erector 4, the middle erector 5 and the top erector 6 are started to be assembled simultaneously again, so that the assembly of the fourth preset number of rings of the bottom component 1, the third preset number of rings of the middle component 2 and the second preset number of rings of the top component 3 is completed in a stepped manner. And by parity of reasoning, the assembly of all the bottom layer assembly 1, the middle layer assembly 2 and the top layer assembly 3 is completed.
The invention is illustrated in detail below by means of a specific example.
Illustratively, the construction method of the fabricated subway station includes the following steps:
and (6) excavating a foundation pit.
And (3) paving a track on the base layer, assembling the first ring of the bottom layer by using a gantry crane, and transversely fixing the bottom corner member 12 and the bottom member 11. It should be understood that lateral fixation refers to the direction of assembly of the bottom corner member 12 with the bottom member 11.
And laying a base track at the bottom of the foundation pit, and placing the bottom splicing machine 4 on the base track by using a gantry crane.
The bottom layer assembly machine 4 is used for assembling the bottom layer assembly 1, the bottom layer assembly machine 4 is used for longitudinally pressing each ring, and after the first water flowing section is completed, the bottom layer fertilizer groove of the bottom layer assembly 1 of the water flowing section is backfilled. It should be noted that the number of rings included in one of the sections of the flowing water section is the number of rings included in the one of the sections when the flowing water section is divided into multiple sections, and the number of rings in one flowing water section can be selected according to actual requirements.
And when the backfill strength meets the requirement, removing the second steel support 8 in the range of the bottom layer of the first flowing water section.
And after the dismantling is finished, laying a bottom track on the bottom component 1 in the first flowing water section, installing the middle layer erector 5 on the bottom track by using a gantry crane, and assembling the middle plate component 21 and the side plate component 22 so as to finish the assembly between the bottom component 1 and the middle layer component 2.
And at the moment, the middle-layer assembling machine 5 and the bottom-layer assembling machine 4 perform assembling operation simultaneously, after the middle-layer assembly 2 completes the assembly of the first flowing water section, the bottom-layer assembly 1 completes the assembly of the second flowing water section, and the bottom-layer fertilizer tank in the second flowing water section of the bottom-layer assembly 1 and the middle-layer fertilizer tank in the first flowing water section of the middle-layer assembly 2 are backfilled.
And when the backfill strength meets the requirement, removing the second steel support 8 in the second flowing water section of the bottom layer assembly 1, and simultaneously removing the first steel support 7 in the first flowing water section of the middle layer assembly 2. It should be understood that the first steel support 7 and the second steel support 8 are removed in sequence along with the flowing water section which is completed by the bottom layer assembly 1 and the middle layer assembly 2 in sequence, so that the structural strength of the foundation pit is guaranteed, and collapse is prevented.
After the steel support is removed, a bottom track is paved on the bottom component 1 in the second flowing water section and a middle track is paved on the middle component 2 in the first flowing water section, after paving is finished, the top layer assembling machine 6 is installed on the middle track through a gantry crane, the top plate component 31 and the top angle component 32 are assembled through the top layer assembling machine 6, and therefore the top layer component 3 is assembled on the middle component 2 in the first flowing water section.
At this time, the bottom layer assembling machine 4, the middle layer assembling machine 5 and the top layer assembling machine 6 are respectively assembled in a stepped mode at the same time, namely when the top layer assembly 3 completes the assembly of the first flowing water section, the middle layer assembly 2 completes the assembly of the second flowing water section, and the bottom layer assembly 1 completes the assembly of the third flowing water section.
And repeating the steps until the whole subway station is assembled.
In the description herein, references to the terms "an embodiment," "one embodiment," and "one implementation," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or implementation is included in at least one embodiment or example implementation of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will 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; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The construction method of the assembly type subway station is characterized in that the assembly type subway station comprises a bottom layer assembly (1), a middle layer assembly (2) and a top layer assembly (3), wherein the bottom layer assembly (1) is connected with the top layer assembly (3) through the middle layer assembly (2); the construction method of the assembly type subway station comprises the following steps:
excavating a foundation pit;
assembling the bottom layer assembly (1), and when the assembly of the bottom layer assembly (1) with a preset number of rings is completed, starting to assemble the middle layer assembly (2) on the bottom layer assembly (1);
when the middle layer assembly (2) with the preset number of rings is assembled, the top layer assembly (3) is assembled on the middle layer assembly (2), and at the moment, the bottom layer assembly (1), the middle layer assembly (2) and the top layer assembly (3) are arranged in a stepped mode and are assembled simultaneously.
2. The assembled subway station construction method as claimed in claim 1, wherein said floor assembly comprises a bottom member (11) and two sill members (12), said sill members (12) being respectively provided at both ends of said bottom member (11); the assembly of the sub-assembly (1) comprises:
and fixing the bottom component (11) on the bottom surface of the foundation pit by using a gantry crane, and fixing the two bottom corner components (12) at two ends of the bottom component (11) respectively so as to assemble the first ring of the bottom component (1).
3. The assembly type subway station construction method as claimed in claim 2, wherein said assembly of said basement assembly (1) further comprises:
after the first ring of the bottom layer assembly (1) is assembled, the rest rings of the bottom layer assembly (1) are assembled by using a bottom layer assembling machine (4), and each ring is longitudinally compressed by using the bottom layer assembling machine (4).
4. The assembly type subway station construction method as claimed in claim 3, wherein said assembling the remaining rings of said floor assembly (1) by using a floor erector (4) comprises:
and (3) fixing the bottom component (11) on the bottom surface of the foundation pit by using the bottom layer assembling machine (4), and fixing the two bottom corner components (12) at two ends of the bottom component (11) respectively.
5. The assembly type subway station construction method as claimed in claim 1, further comprising:
and backfilling the fertilizer tank of the bottom layer assembly (1) every time the assembly of the bottom layer assembly (1) with the preset ring number is finished, backfilling the fertilizer tank of the middle layer assembly (2) every time the assembly of the middle layer assembly (2) with the preset ring number is finished, and backfilling the fertilizer tank of the top layer assembly (3) every time the assembly of the top layer assembly (3) with the preset ring number is finished.
6. The construction method of the assembled subway station as claimed in claim 2, wherein said middle layer assembly (2) comprises a middle plate member (21) and two side plate members (22), the bottom ends of said two side plate members (22) are respectively fixedly connected with the top ends of said two bottom corner members (12), and the two ends of said middle plate member (21) are respectively fixedly connected with said two side plate members (22); the assembly of the mid-level assembly (2) comprises:
and (2) respectively fixing the two side plate components (22) on the two bottom corner components (12) by using a middle layer assembling machine (5), and fixing the middle plate component (21) between the two side plate components (22).
7. The construction method of the assembled subway station as claimed in claim 6, wherein said top layer assembly (3) comprises two vertical corner members (32) and a top plate member (31), one end of each of said two vertical corner members (32) is fixedly connected to the top end of each of said two side plate members (22), and the other end of each of said top plate member (31) is fixedly connected to the other end of each of said two side plate members (22); the assembly of the topping assembly (3) comprises:
and the top layer erector (6) is used for fixing the two top corner components (32) at the top ends of the two side plate components (22) respectively, and fixing the top plate component (31) between the two top corner components (32).
8. The assembled subway station construction method as claimed in claim 1, wherein said assembling of said basement assembly (1) comprises:
laying a base layer track at the bottom of the foundation pit, placing a bottom layer assembling machine (4) on the base layer track by using a gantry crane, and assembling the bottom layer assembly (1) through the bottom layer assembling machine (4).
9. The assembly type subway station construction method as claimed in claim 8, wherein said assembly of said middle layer assembly (2) comprises:
after the bottom layer assembly (1) is assembled to a preset number of rings, a bottom layer track is laid on the assembled bottom layer assembly (1), a middle layer erector (5) is placed on the bottom layer track by using the gantry crane, and the middle layer assembly (2) is assembled by the middle layer erector (5).
10. The assembled subway station construction method as claimed in claim 9, wherein said assembling of said top assembly (3) comprises:
and after the middle layer assembly (2) is assembled to a preset number of rings, starting to lay a middle layer track on the assembled middle layer assembly (2), placing a top layer assembling machine (6) on the middle layer track by using the gantry crane, and assembling the top layer assembly (3) by using the top layer assembling machine (6).
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| CN202110920255.XA CN113622461A (en) | 2021-08-11 | 2021-08-11 | Construction method of assembled subway station |
| PCT/CN2021/123000 WO2023015711A1 (en) | 2021-08-11 | 2021-10-11 | Fabricated subway station construction method |
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| CN202110920255.XA CN113622461A (en) | 2021-08-11 | 2021-08-11 | Construction method of assembled subway station |
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|---|---|---|---|---|
| CN115110575A (en) * | 2022-06-13 | 2022-09-27 | 中电建南方建设投资有限公司 | Assembling method for assembly type station component |
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| WO2023015711A1 (en) | 2023-02-16 |
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