CN218263922U - Pipeline excavation supporting construction to complicated underground condition - Google Patents
Pipeline excavation supporting construction to complicated underground condition Download PDFInfo
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- CN218263922U CN218263922U CN202222138355.XU CN202222138355U CN218263922U CN 218263922 U CN218263922 U CN 218263922U CN 202222138355 U CN202222138355 U CN 202222138355U CN 218263922 U CN218263922 U CN 218263922U
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Abstract
The utility model provides a pipeline excavation supporting construction to complicated underground condition, it forms to strut the module concatenation by a plurality of independent excavations, every excavation supporting module structure is the same, all baffle module that the symmetry set up around including, connect through horizontal support square steel between the baffle module that the symmetry set up around, the baffle module is including controlling the vertical steel pipe stand that the interval set up side by side, side splint are all installed to the left and right sides of vertical steel pipe stand, prefabricated fender apron inserts and installs in side splint, control and connect through inserting of prefabricated fender apron between the adjacent excavation supporting module, the head and the tail butt joint back welding is in the same place between the vertical steel pipe stand of module is strutted in the adjacent excavation from top to bottom. This supporting construction adopts the modular structure design, can splice according to actual conditions in a flexible way, does not receive the aspect ratio restriction, and disposable long distance construction keeps off native steel sheet recycle simultaneously, and construction speed is fast, can use better and establish municipal works in the more urban area of underground line.
Description
Technical Field
The utility model relates to a supporting construction, concretely relates to pipeline excavation supporting construction to complicated underground condition.
Background
For newly-built municipal pipelines buried at a certain depth, the laying method generally comprises the steps of firstly making supports and then excavating, wherein the common supports comprise steel sheet piles and jet grouting piles for inserting steel pipes. The pipe jacking process can also be considered when excavation is not appropriate. However, whether open cut or pipe jacking, it is difficult to implement when too many unknown pipelines or various obstacles are encountered underground. For example, steel sheet piles or jet grouting piles cannot be driven, and the existing unknown pipelines are broken or damaged in the driving process. In particular, when the pipeline is an important water supply pipe, military cable pipe or dangerous high-voltage electric wire pipe, gas pipe or petroleum pipe, the consequences are serious once the pipeline is damaged, and the important pipes are not proved by the limitation of the existing exploration technology. This results in many urban pipeline projects being operated with risks.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a pipeline excavation supporting construction to complicated underground condition adopts the modular structure design, can splice according to actual conditions in a flexible way, does not receive the aspect ratio restriction, and disposable long distance construction keeps off native steel sheet recycle simultaneously, and construction speed is fast, can use better and establish municipal works in the more urban area of underground line.
In order to realize the technical scheme, the utility model provides a pipeline excavation supporting construction to complicated underground condition is formed by the concatenation of a plurality of independent excavation supporting module, and every excavation supporting module structure is the same, all includes the baffle module that the front and back symmetry set up, connect through horizontal support square steel between the baffle module that the front and back symmetry set up, the baffle module is including controlling the vertical steel pipe stand that the interval set up side by side, side splint are all installed to the left and right sides of vertical steel pipe stand, and prefabricated fender apron inserts and installs in the side splint that the left and right sides set up, and horizontal support square steel's both ends are fixed on the vertical steel pipe stand of two baffle modules along horizontal parallel respectively, control to connect through inserting of prefabricated fender apron between the adjacent excavation supporting module, and the head and the tail butt joint back welding is in the same place between the vertical steel pipe stand of upper and lower adjacent excavation supporting module.
In the technical scheme, the whole pipeline excavation supporting structure adopts a mode of splicing a plurality of independent excavation supporting modules, the excavation supporting modules adopt a form of longitudinal steel pipe columns, transverse supporting square steels and inserting type prefabricated soil retaining plates, wherein the longitudinal steel pipe columns are oppositely supported by 1-2 transverse supporting square steels in the vertical direction as required to form a steel frame system, and the steel frames are welded into a whole in the longitudinal direction by adopting a form of welding the longitudinal steel pipe columns. Adopt vertical steel pipe stand both sides to adopt the side splint of reserving the socket so that prefabricated fender apron is convenient to insert, also makes things convenient for prefabricated fender apron recycle simultaneously. Adopt welded connection mode between the module is strutted in the upper and lower excavation, the stable steel frame system that forms through this kind of mode, can sink gradually the design elevation along with foundation ditch excavation, when sinking the in-process and meetting pipeline or barrier down, can be nimble according to actual conditions, adopt the back skew mode of plugging into, or the part moves the mode and handles, can splice according to actual conditions in a flexible way, do not receive the aspect ratio restriction, disposable long distance construction, keep off native steel sheet recycle simultaneously, construction speed is fast, can use in the more urban area of underground line well and newly-build municipal works.
Preferably, prefabricated earth-retaining plate includes the earth-retaining steel sheet, the both ends insert respectively to the side splint that the left and right sides set up about the earth-retaining steel sheet in, the skin weld of earth-retaining steel sheet has vertically and horizontally staggered's reinforcing floor, and this kind of structural design both can strengthen the self intensity of earth-retaining steel sheet, make things convenient for the quick installation, the dismantlement of earth-retaining steel sheet again.
Preferably, the transverse directions of the longitudinal steel pipe columns between the left and right adjacent excavation supporting modules are welded through welded steel plates, so that the transverse stability of the longitudinal steel pipe columns is enhanced.
Preferably, the newly-built pipeline is installed between baffle modules which are symmetrically arranged in front and back so as to form the safety guarantee for the construction of the newly-built pipeline.
The utility model provides a pair of pipeline excavation supporting construction to complicated underground situation's beneficial effect lies in: this pipeline excavation supporting construction to complicated underground condition reasonable in design, convenient assembling adopts modular structure design, can splice according to actual conditions in a flexible way, does not receive the aspect ratio restriction, and disposable long distance construction, but while prefabricated fender apron recycle, construction speed is fast, can use the newly-built municipal works in the more urban area of underground line betterly. The whole pipeline excavation supporting structure adopts a mode of splicing a plurality of independent excavation supporting modules, the excavation supporting modules adopt the forms of longitudinal steel pipe columns, transverse supporting square steels and inserting type prefabricated soil retaining plates, wherein the longitudinal steel pipe columns are oppositely supported by 1-2 transverse supporting square steels in the vertical direction as required to form a steel frame system, and the longitudinal steel pipe columns are welded to form the steel frames into a whole. Adopt vertical steel pipe stand both sides to adopt the side splint of reserving the socket so that prefabricated earth-retaining plate conveniently inserts, also conveniently prefabricated earth-retaining plate recycle simultaneously. Adopt the welded connection mode between the module is strutted in upper and lower excavation, the stable steel frame system that forms through this kind of mode, can sink gradually to the design elevation along with foundation ditch excavation, when meetting pipeline or barrier when sinking the in-process down, can be nimble according to actual conditions, adopt the skew mode after plugging into, or the local mode of changing that changes carries out the processing, avoided driving earlier and strutted/push pipe top under the condition of unknown underground pipeline or barrier, but adopt the mode of digging open cut gradually, make the complicated pipeline condition in underground expose gradually, do pertinent protection or change the measure to the pipeline again, just so can avoid driving into a fender pile to destroy unknown pipeline or push pipe and meet the barrier on the way and be blocked. Can be better applied to newly building municipal works in urban areas with more underground pipelines. Compared with the conventional open caisson method, the supporting structure is not limited by the length-width ratio, can be used for one-time long-distance construction, can recycle the prefabricated retaining plate, has high construction speed, no vibration influence and small occupied area, and achieves the purposes of safety, economy, high efficiency, environmental protection and sustainable development.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is the front view of the module is strutted in well excavation of the utility model.
Fig. 3 is a side sectional view of the present invention.
Fig. 4 is a top view of the present invention.
In the figure: 1. a side clamping plate; 2. a longitudinal steel pipe upright post; 3. transversely supporting the square steel; 4. prefabricating a soil retaining plate; 41. a soil-retaining steel plate; 42. a reinforcing rib plate; 5. newly building a pipeline; 6. welding wires; 7. and (5) welding steel plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive step are within the scope of the present invention.
The embodiment is as follows: a pipe excavation supporting construction for complex underground conditions.
Referring to fig. 1 to 4, a pipeline excavation supporting structure for complex underground conditions is formed by splicing a plurality of independent excavation supporting modules, each excavation supporting module has the same structure and comprises baffle modules symmetrically arranged front and back, the baffle modules symmetrically arranged front and back are connected through transverse supporting square steel 3, each baffle module comprises a longitudinal steel pipe upright 2 arranged left and right side by side at intervals, side clamping plates 1 are arranged on the left and right sides of the longitudinal steel pipe upright 2, side inserting holes are reserved on the side clamping plates 1, prefabricated retaining plates 4 are inserted into the side clamping plates 1 arranged on the left and right sides, each prefabricated retaining plate 4 comprises a retaining steel plate 41, the left and right ends of each retaining steel plate 41 are respectively inserted into the side clamping plates 1 arranged on the left and right sides, reinforcing rib plates 42 are welded on the surface of each retaining steel plate 41, and by the structural design, the self strength of each retaining steel plate 41 can be enhanced, the quick installation and disassembly of each retaining steel plate 41 are facilitated, and the prefabricated retaining plates 4 can be integrally recycled.
The both ends of horizontal support square steel 3 are fixed respectively on the vertical steel pipe stand 2 of two baffle modules along horizontal parallel, in order to ensure that the horizontal position is stable between the baffle module that the front and back symmetry set up, it connects through the insertion of prefabricated fender native board 4 to control between the adjacent excavation supporting module, and control between the adjacent excavation supporting module vertical steel pipe stand 2 transversely between weld through welding steel sheet 7 welding, in order to strengthen the stability between the horizontal of vertical steel pipe stand 2, the welding together after the head and the tail butt joint between the vertical steel pipe stand 2 of module is strutted in the upper and lower adjacent excavation, newly-built pipeline 5 is installed between the baffle module that the front and back symmetry set up, so that form the safety guarantee to newly-built pipeline 5 construction.
This pipeline excavation supporting construction to complicated underground situation reasonable in design, convenient assembling adopts the modular structure design, can splice according to actual conditions in a flexible way, does not receive the aspect ratio restriction, and disposable long distance construction, but simultaneously prefabricated 4 recycle that keep off the native board, construction speed is fast, can use at the more urban area of underground line newly-built municipal works betterly. The whole pipeline excavation supporting structure adopts a mode of splicing a plurality of independent excavation supporting modules, the excavation supporting modules adopt a form of longitudinal steel pipe columns 2+ transverse supporting square steels 3+ inserting type prefabricated retaining plates 4, wherein the longitudinal steel pipe columns 2 are vertically supported by 1-2 transverse supporting square steels 3 to form a steel frame system according to needs, and the steel frames are welded into a whole by adopting a form of welding the longitudinal steel pipe columns 2 in the longitudinal direction. Adopt 2 both sides of vertical steel pipe stand to adopt the side splint 1 of reserving the socket so that prefabricated fender native board 4 conveniently inserts, also conveniently prefabricated 4 recycle of fender native board simultaneously. Adopt welded connection mode between the module is strutted in the upper and lower excavation, the stable steel frame system that forms through this kind of mode, can sink gradually to the design elevation along with foundation ditch excavation, when sinking in-process meetting pipeline or barrier down, can be nimble according to actual conditions, adopt the skew mode after plugging into, or the local mode of changing of moving is handled, avoided piling earlier under the condition of unknown underground pipeline or barrier and strut/push pipe top advance, but adopt the mode of digging open cut gradually, make the complicated pipeline condition in underground expose gradually, do pertinent protection or move the measure to the pipeline again, just so can avoid driving into the fender pile and destroy unknown pipeline or push pipe and meet the barrier and be blocked on the way. Can be better applied to newly building municipal works in urban areas with more underground pipelines. Compared with the conventional open caisson method, the supporting structure is not limited by the length-width ratio, can be used for one-time long-distance construction, can recycle the prefabricated soil retaining plate 4, is high in construction speed, free of vibration influence and small in occupied area, and achieves safe, economic, efficient, environment-friendly and sustainable development.
The above description is a preferred embodiment of the present invention, but the present invention should not be limited to the disclosure of the embodiment and the accompanying drawings, and therefore, all equivalents and modifications that can be accomplished without departing from the spirit of the present invention are within the protection scope of the present invention.
Claims (4)
1. The utility model provides a pipeline excavation supporting construction to complicated underground condition which characterized in that: the module concatenation is supported by a plurality of independent excavations and is formed, and every excavation supporting module structure is the same, all includes the baffle module that the longitudinal symmetry set up around, connect through horizontal support square steel between the baffle module that the longitudinal steel pipe stand that the baffle module set up side by side including controlling, the side splint are all installed to the left and right sides of longitudinal steel pipe stand, and prefabricated fender soil plate inserts and installs in the side splint that the left and right sides set up, and horizontal support square steel's both ends are fixed on the longitudinal steel pipe stand of two baffle modules along horizontal parallel respectively, control and connect through the insertion of prefabricated fender soil plate between the adjacent excavation supporting module, and the head and the tail butt joint postwelding is in the same place between the longitudinal steel pipe stand of the adjacent excavation supporting module from top to bottom.
2. A pipe excavation supporting structure for complex underground conditions as claimed in claim 1, wherein: the prefabricated soil retaining plate comprises a soil retaining steel plate, the left end and the right end of the soil retaining steel plate are respectively inserted into the side clamping plates arranged on the left side and the right side, and criss-cross reinforcing rib plates are welded on the surface of the soil retaining steel plate.
3. The trenching support structure for complex subterranean conditions of claim 1 wherein: and the transverse directions of the longitudinal steel pipe columns between the left and right adjacent excavation supporting modules are welded through welding steel plates.
4. The trenching support structure for complex subterranean conditions of claim 1 wherein: the newly-built pipeline is installed between baffle modules which are symmetrically arranged in front and back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222138355.XU CN218263922U (en) | 2022-08-15 | 2022-08-15 | Pipeline excavation supporting construction to complicated underground condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222138355.XU CN218263922U (en) | 2022-08-15 | 2022-08-15 | Pipeline excavation supporting construction to complicated underground condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218263922U true CN218263922U (en) | 2023-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222138355.XU Active CN218263922U (en) | 2022-08-15 | 2022-08-15 | Pipeline excavation supporting construction to complicated underground condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218263922U (en) |
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2022
- 2022-08-15 CN CN202222138355.XU patent/CN218263922U/en active Active
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