CN209941693U - Open cut interval support system of crossing river - Google Patents

Open cut interval support system of crossing river Download PDF

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Publication number
CN209941693U
CN209941693U CN201920592618.XU CN201920592618U CN209941693U CN 209941693 U CN209941693 U CN 209941693U CN 201920592618 U CN201920592618 U CN 201920592618U CN 209941693 U CN209941693 U CN 209941693U
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China
Prior art keywords
river
steel
crossing
open cut
support
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Application number
CN201920592618.XU
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Chinese (zh)
Inventor
赵瑞亮
肖红武
肖毅
王峰
徐振龙
李小军
杨建明
杨西富
何继华
巩森
许彪
王后高
方业飞
武俊杰
姜潇
霍莉
奚成
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China Railway 23rd Bureau Group Co Ltd
Sixth Engineering Co Ltd of China Railway 23rd Bureau Group Co Ltd
Original Assignee
China Railway 23rd Bureau Group Co Ltd
Sixth Engineering Co Ltd of China Railway 23rd Bureau Group Co Ltd
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Priority to CN201920592618.XU priority Critical patent/CN209941693U/en
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Abstract

The utility model discloses a cross open cut interval support system of river. An application an open cut interval support system of crossing river, can accomplish the construction of the city underground space of the open cut crossing river fast, and adopt fender pile, uplift pile, dado pile, the concrete shotcrete, the steel shotcrete, concrete wall between the pile, the reinforced concrete panel, pour the effective support of open cut foundation ditch formation of template and corresponding support frame etc. to crossing the river and strut, guarantee the stability of foundation ditch structure, this support system adopts the progressive circulation of multilayer to dig and support and strut, construction speed is fast, it is stable to strut, be applicable to and have the construction of the open cut crossing river of the subway line that great construction area and environmental sensitivity are high, and is good in effect.

Description

Open cut interval support system of crossing river
Technical Field
The utility model relates to an engineering construction field, in particular to cross open cut interval support system of river.
Background
The subway is convenient for people to go out, along with the increasingly large and modern city, more and more subway lines are planned and constructed, most of the subway is built in urban areas, road traffic is busy, underground pipelines are complicated, particularly, part of subway lines need to penetrate through river channels, the construction mode of open cut is difficult, and a powerful support system is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a overcome the present subway that exists among the prior art and build most to be located urban area, road traffic is busy, and underground piping is complicated complicatedly, and especially some subway line need wear the river course down, and the construction method degree of difficulty of adopting open cut is big, needs the above-mentioned not enough of powerful support system, provides the open cut interval support system that wears the river.
In order to realize the purpose of the utility model, the utility model provides a following technical scheme:
a river crossing open cut interval support system comprising:
the foundation pit supporting member comprises a plurality of fender posts arranged on the periphery of a foundation pit, wherein the fender posts adjacent to two sides of a river channel are positioned at the bottom of the river channel and are also used as uplift posts;
the diversion closure supporting member comprises a cofferdam arranged on the upstream and downstream of a river channel of a river crossing area and retaining wall piles arranged on two sides of a diversion channel, reinforced concrete panels are arranged along the inner sides of all the retaining wall piles, and at least one steel support is arranged between the reinforced concrete panels on the two sides;
the underground structure supporting member comprises a plurality of pouring templates and corresponding supporting frames.
Adopt an open cut interval support system of crossing river, can accomplish the construction of the city underground space of the open cut crossing river fast, and adopt fender pile, uplift pile, dado pile, concrete support, the steel shotcrete, concrete wall between the pile, the reinforced concrete panel, pour the effective support of open cut foundation ditch formation of template and corresponding support frame etc. to crossing the river and strut, guarantee the stability of foundation ditch structure, this support system adopts the progressive circulation of multilayer to dig and support and strut, construction speed is fast, it is stable to strut, be applicable to and have the construction of the open cut crossing river of subway line that great construction area and environmental sensitivity are high, and is good in effect.
Preferably, all the fender piles are connected by a pile top crown beam, and all the concrete supports and all the steel supports on the upper layer are connected to the crown beam.
Preferably, the crown beam is provided with a retaining wall.
Preferably, steel purlins are arranged along the inner sides of all the fender piles, and all the steel supports on the lower layer are connected to the steel purlins.
Preferably, the steel purlin is closely attached to the fender pile, and the positions with gaps are filled with sprayed concrete or filled with steel plates.
Preferably, the steel support comprises a steel diagonal support and a steel diagonal support.
Preferably, the rear plate surface of the steel purlin connected by the steel diagonal bracing is provided with a shear-resistant pedal, and the shear-resistant pedal is inserted into a soil layer to prevent the steel diagonal bracing from causing lateral displacement of the steel purlin in a stress process.
Preferably, the shear stirrup is triangular.
Preferably, a pile casing is respectively sleeved outside each fender post and each uplift post, the inner diameter of the pile casing is 20-40cm larger than the diameter of the corresponding fender post, and the inner diameter of the pile casing is 20-40cm larger than the diameter of the corresponding uplift post.
Preferably, the fender pile, the uplift pile and the retaining wall pile are formed by adopting a rotary drilling rig to form holes and pouring concrete.
Preferably, the cofferdam is a steel mould cofferdam, a bamboo plywood is arranged on the upstream face of the steel mould cofferdam, and anti-seepage membrane cloth is arranged outside the bamboo plywood.
Preferably, a water collecting square ditch is arranged in the cofferdam, and a water pump is arranged for pumping and draining water.
Preferably, the underground structure comprises a bottom plate, side walls, a middle partition wall and a top plate.
Preferably, the pouring templates and the corresponding support frames adopted by the side wall are wood plywood, secondary square beam, main square beam and scaffold, the pouring templates and the corresponding support frames adopted by the middle partition wall are wood plywood, vertical secondary square beam, horizontal split steel pipes and scaffold, and the pouring templates and the corresponding support frames adopted by the top plate are wood plywood, secondary square beam, main square beam and scaffold.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
an application an open cut interval support system of crossing river, can accomplish the construction of the city underground space of the open cut crossing river fast, and adopt fender pile, uplift pile, dado pile, the concrete shotcrete, the steel shotcrete, concrete wall between the pile, the reinforced concrete panel, pour the effective support of open cut foundation ditch formation of template and corresponding support frame etc. to crossing the river and strut, guarantee the stability of foundation ditch structure, this support system adopts the progressive circulation of multilayer to dig and support and strut, construction speed is fast, it is stable to strut, be applicable to and have the construction of the open cut crossing river of the subway line that great construction area and environmental sensitivity are high, and is good in effect.
Drawings
Fig. 1 is a schematic plan view of an open cut section supporting system for crossing a river according to the present invention;
FIG. 2 is a schematic plan view of the upper foundation pit supporting member in FIG. 1;
FIG. 3 is a schematic plan view of a lower foundation pit supporting member;
FIG. 4 is a schematic cross-sectional structure view of the foundation pit in FIG. 2;
FIG. 5 is a schematic cross-sectional structure of the flow guide channel;
the labels in the figure are: 1-fender pile, 11-crown beam, 2-concrete support, 3-steel support, 4-uplift pile, 5-retaining wall pile, 51-reinforced concrete panel, 6-underground structure, 7-cofferdam and 8-diversion trench.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.
Examples
As shown in fig. 1-5, the utility model relates to a cross open cut interval support system of river, include:
a foundation pit supporting component comprises a plurality of fender posts 1 arranged on the periphery of a foundation pit, wherein the fender posts 1 adjacent to two sides of a river channel are positioned at the bottom of the river channel and are also used as uplift posts, the foundation pit is divided into two layers from top to bottom, a plurality of concrete supports 2 and a plurality of steel supports 3 are arranged on the upper layer, a plurality of steel supports 3 are arranged on the middle layer, all the fender posts 1 are connected through pile top crown beams 11, retaining walls are arranged on the crown beams 11, all the concrete supports 2 and all the steel supports 3 on the upper layer are connected to the crown beams 11, steel purlins are arranged along the inner sides of all the fender posts 1, all the steel supports 3 on the lower layer are connected to the steel purlins, the steel purlins are tightly attached to the fender posts 1, gapped places are filled with sprayed concrete or tightly filled with steel plates, and the steel supports 3 comprise steel pairs and steel diagonal braces, the rear plate surface of the steel purlin connected with the steel diagonal braces is provided with a triangular shear-resistant pedal, the shear-resistant pedal is inserted into a soil layer to prevent the steel diagonal braces from causing lateral displacement of the steel purlin in a stress process, a concrete wall between piles is arranged on a side slope of a foundation pit, a plurality of uplift piles 4 are arranged along the center line of a river through the foundation pit, a protecting cylinder is respectively sleeved outside each of the enclosure piles 1 and each of the uplift piles 4, the inner diameter of each protecting cylinder is 20-40cm larger than the diameter of the corresponding enclosure pile 1, and the inner diameter of each protecting cylinder is 20-40cm larger than the diameter of the corresponding uplift pile 4;
the diversion closure supporting member comprises cofferdams 7 arranged at the upstream and downstream of a river channel of a river crossing area and retaining wall piles 5 arranged at two sides of a diversion channel 8, reinforced concrete panels 51 are arranged along the inner sides of all the retaining wall piles 5, at least one steel support 3 is arranged between the reinforced concrete panels 51 at two sides, the enclosure piles 1, the uplift piles 4 and the retaining wall piles 5 are formed into piles by adopting rotary drilling rigs to form holes and pouring concrete, the cofferdams 7 are steel mould cofferdams, bamboo plywood with the thickness of 20-30mm is arranged on the upstream surface of each steel mould cofferdam, impermeable membrane cloth is arranged outside the bamboo plywood, water collecting square ditches are arranged in the cofferdams 7, and water pumps are arranged for pumping and draining water;
the underground structure 6 supporting component comprises a plurality of pouring templates and corresponding supporting frames, the underground structure 6 comprises a bottom plate, side walls, an intermediate wall and a top plate, the pouring templates adopted by the side walls and the corresponding supporting frames are 18-20mm thick wood plywood, 50 x 100mm secondary stupefied square wood, 100 x 100mm primary stupefied square wood and full-space disc buckle butt-bracing scaffold, the pouring templates adopted by the intermediate wall and the corresponding supporting frames are 18-20mm thick wood plywood, 50 x 100mm vertical secondary stupefied square wood, horizontal phi 48-50 split steel pipes and full-space disc buckle scaffold, and the pouring templates adopted by the top plate and the corresponding supporting frames are 18-20mm thick wood plywood, 50 x 100mm secondary stupefied square wood, 80 x 80mm thick square steel pipes and full-space disc buckle scaffold.
An application a wear open cut interval support system of river, can accomplish the construction of the city underground space of the open cut river of wearing fast, and adopt fender pile 1, uplift stake 4, dado stake 5, concrete support 2, steel shotcrete 3, concrete wall between the stake, reinforced concrete panel 51, pour the effective support of excavation foundation ditch formation of template and corresponding support frame etc. to wearing the river and strut, guarantee foundation ditch structural stability, this support system adopts the progressive circulation of multilayer to dig and support and strut, construction speed is fast, it is stable to strut, be applicable to and have the construction of great area of construction and the high subway line open cut river of environmental sensitivity, and is effectual.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A supporting system for open cut sections of river crossing is characterized by comprising:
the foundation pit supporting member comprises a plurality of fender posts (1) arranged on the periphery of a foundation pit, the foundation pit is divided into two layers from top to bottom, the upper layer is provided with a plurality of concrete supports (2) and a plurality of steel supports (3), the middle layer is provided with a plurality of steel supports (3), all the concrete supports (2) and all the steel supports (3) are connected with the fender posts (1), the side slope of the foundation pit is provided with inter-pile concrete walls, and a plurality of uplift posts (4) are arranged along the central line of a river through which the foundation pit passes;
the diversion closure supporting component comprises cofferdams (7) arranged at the upper and lower streams of a river channel of a river crossing area and retaining wall piles (5) arranged at two sides of a diversion channel (8), reinforced concrete panels (51) are arranged along the inner sides of all the retaining wall piles (5), and at least one steel support (3) is arranged between the reinforced concrete panels (51) at two sides;
the supporting component of the underground structure (6) comprises a plurality of pouring templates and corresponding supporting frames.
2. A river crossing open cut interval support system according to claim 1, characterized in that all the fender piles (1) are connected by a pile top crown beam (11), and all the concrete supports (2) and all the steel supports (3) located at an upper layer are connected to the crown beam (11).
3. The open cut interval support system for river crossing according to claim 1, wherein steel purlins are arranged along the inner sides of all the fender piles (1), and all the steel supports (3) on the lower layer are connected to the steel purlins.
4. A river crossing open cut interval support system according to claim 3, wherein the steel struts (3) comprise steel diagonal struts and steel diagonal struts.
5. The river-crossing open-cut interval support system according to claim 4, wherein the rear plate surface of the steel purlin connected with the steel diagonal braces is provided with shear-resistant pedals.
6. The open cut interval support system of crossing a river according to claim 1, characterized in that a casing is respectively sleeved outside each fender post (1) and each uplift pile (4), the inner diameter of the casing is 20-40cm larger than the diameter of the corresponding fender post (1), and the inner diameter of the casing is 20-40cm larger than the diameter of the corresponding uplift pile (4).
7. The river-crossing open cut interval supporting system according to claim 1, wherein the fender pile (1), the uplift pile (4) and the retaining wall pile (5) are formed by adopting a rotary drilling rig to form a hole and pouring concrete to form a pile.
8. The open cut interval supporting system for crossing a river according to claim 1, wherein the cofferdam (7) is a steel mould cofferdam, a bamboo plywood is arranged on the upstream face of the steel mould cofferdam, and an impermeable membrane cloth is arranged outside the bamboo plywood.
9. A river crossing open cut interval support system according to any one of claims 1 to 8, wherein the underground structure (6) comprises a bottom plate, side walls, an intermediate wall and a roof.
10. The open cut section support system of crossing a river of claim 9, wherein the casting forms and corresponding supports used for the side wall are wood plywood, secondary square stupefied wood, primary square stupefied wood, and scaffolding, the casting forms and corresponding supports used for the mid-wall are wood plywood, vertical secondary square stupefied wood, horizontal counter-pulling steel pipes, and scaffolding, and the casting forms and corresponding supports used for the roof are wood plywood, secondary square stupefied wood, primary square stupefied steel pipes, and scaffolding.
CN201920592618.XU 2019-04-26 2019-04-26 Open cut interval support system of crossing river Active CN209941693U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920592618.XU CN209941693U (en) 2019-04-26 2019-04-26 Open cut interval support system of crossing river

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920592618.XU CN209941693U (en) 2019-04-26 2019-04-26 Open cut interval support system of crossing river

Publications (1)

Publication Number Publication Date
CN209941693U true CN209941693U (en) 2020-01-14

Family

ID=69130224

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920592618.XU Active CN209941693U (en) 2019-04-26 2019-04-26 Open cut interval support system of crossing river

Country Status (1)

Country Link
CN (1) CN209941693U (en)

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