CN214657076U - Prefabricated precipitation square pile and underground side wall steel plate superposed structure system - Google Patents
Prefabricated precipitation square pile and underground side wall steel plate superposed structure system Download PDFInfo
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- CN214657076U CN214657076U CN202120424445.8U CN202120424445U CN214657076U CN 214657076 U CN214657076 U CN 214657076U CN 202120424445 U CN202120424445 U CN 202120424445U CN 214657076 U CN214657076 U CN 214657076U
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Abstract
The utility model relates to a prefabricated precipitation square pile and underground side wall steel sheet superimposed structure system, including hollow square pile and structure side wall, both upper and lower both ends are pre-buried respectively on the surface separately and are inlayed and have been had the steel sheet, and all are equipped with the bolt pore on the steel sheet, correspond the bolt pore respectively on the pile body of hollow square pile and the structure side wall and seted up the through-hole, it is fixed through bolt pore and through-hole in-connection prestressing steel bar in the steel sheet department between hollow square pile and the structure side wall, and the gap slip casting between hollow square pile and the structure side wall is fixed. The utility model provides a prefabricated hollow square pile is the precipitation well concurrently to the steel sheet is buried underground in the adoption, adopts the prestressing steel stick, is connected into coincide wall atress system with prefabricated underground space structure side wall, and maneuverability is strong, practices thrift the land used, and economic benefits and social are showing.
Description
Technical Field
The utility model relates to a road engineering technical field, concretely relates to prefabricated precipitation square pile and underground side wall steel sheet superimposed structure system.
Background
With the development of cities, ground roads have not been able to meet the increasing traffic of vehicles, but only underground roads have been constructed for relief.
The open cut method is a construction method with low cost and high benefit how to build underground roads on the main traffic roads. However, the open cut method has great limitations:
in the support of the two sides of the foundation pit, the conventional method is to drill a cast-in-place pile, and the construction of the pile foundation on site can cause noise pollution, slurry generation and the like to the periphery, the strength of the cast-in-place pile needs a long period, and the quality cannot be guaranteed.
And secondly, the underground road is excavated to be deeper and basically in the underground water level, and precipitation is needed. Generally, a dewatering well is arranged inside and outside a foundation pit, the dewatering well of the foundation pit can cause certain damage to the dewatering well along with the excavation of the foundation pit, and the construction of a later-stage structure is to perform well sealing treatment on a structural bottom plate, so that the hidden danger of water leakage exists.
And (III) the support pile is a temporary support measure which is put in once, so that the concrete demand of the solid pile is high, and the material waste is caused.
And (IV) the underground space structure does not consider the stress of the supporting structure, the thickness of the side wall is large generally, the concrete demand is high, the material waste is caused, and the occupied space is large.
The above problems need to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the hollow square pile is connected coincide structure system with the structure side wall through the prestressing steel stick, guarantees the connectivity of structure, and the precipitation well is done simultaneously to hollow square pile, and reduce cost material saving quantity has avoided executing the process of doing the precipitation well separately, has practiced thrift the cost, has improved precipitation efficiency.
The utility model discloses a realize through following technical scheme:
the utility model provides a prefabricated precipitation square pile and underground side wall steel sheet superimposed structure system, including hollow square pile and structure side wall, both upper and lower both ends are pre-buried respectively on the surface separately and are inlayed and have been had the steel sheet, and all be equipped with the bolt pore on the steel sheet, correspond the bolt pore respectively on the pile body of hollow square pile and the structure side wall and seted up the through-hole, it is fixed through bolt pore and through-hole in-connection prestressing steel bar in the steel sheet department between hollow square pile and the structure side wall, and the gap slip casting between hollow square pile and the structure side wall is fixed.
The scheme considers that the prefabricated hollow square pile is used as a supporting structure form and can be used as a foundation pit dewatering well, meanwhile, the steel plate is buried in the side wall of the square pile and the steel plate is buried in the side wall of the prefabricated underground space at the relevant position, a method for superposition construction is carried out, a superposition system is formed by connecting and fixing the prefabricated hollow square pile and the prefabricated structure side wall through the steel plates and the prestressed steel bars, and various problems existing in an open cut method are solved.
Furthermore, the hollow square pile is arranged with water seepage holes on other three sides of the pile body below the depth of the structural bottom plate and not close to one side of the structural side wall.
Whether the hole needs to be led is determined according to the stratum condition on site, if underground water exists, water can be led in by utilizing the water seepage holes according to the depth relation between the excavation depth of the foundation pit and the underground water below the depth of the structural bottom plate, and the water pump is lowered to lower water.
Furthermore, the pile body is pre-buried in the infiltration hole and oozes the water pipe, packs the infiltration granule in the infiltration pipe.
The pile body is pre-buried infiltration pipe in the infiltration hole, and the cooperation infiltration granule can prevent that silt from blockking up the infiltration pore, guarantees the permeability in infiltration hole.
Further, set up the suction pump in the hollow square pile, the drainage ditch is seted up on the subaerial of keeping away from the structure side wall at hollow square pile top, and the drain pipe setting of suction pump is in the drainage ditch.
The hollow square pile is also used as a precipitation well, and can pump water in the precipitation well and discharge the water into the drainage ditch in cooperation with the water pump.
Furthermore, the shape and the size of the steel plates embedded on the side walls of the hollow square pile and the structure are the same, and the steel plates are square steel plates with the side length of 100cm and the thickness of 2 cm.
The square steel plates are adopted for connection, so that the contact area of the structure is effectively increased.
Furthermore, the thickness of the hollow square pile is 200cm, and the steel plate embedded on the hollow square pile is flush with the surface of the pile body.
Furthermore, the total thickness of the hollow square pile and the structural side wall is not less than 500cm after superposition.
The thickness of the side wall is 500cm after the side wall and the prefabricated square piles are superposed, and the requirement on the thickness of the side wall of a common underground space structure can be met.
The utility model has the advantages that:
the prefabricated hollow square pile is used as a supporting structure in construction, the prefabricated hollow square pile can be used as a foundation pit dewatering well, and meanwhile, steel plates are buried in the side wall of the square pile and the side wall of the prefabricated underground space at relevant positions to carry out superposition construction.
The prefabricated hollow square pile is also used as a dewatering well, and is connected with the side wall of the prefabricated underground space structure to form a superposed wall stress system by adopting an embedded steel plate and a prestressed steel bar. And the prefabricated hollow square pile is adopted, so that the cost is reduced, and the material consumption is saved. And the space is saved, and the empty pile is fully utilized and also used as a dewatering well. The working procedure of additionally constructing a precipitation well is avoided, the cost is saved, and the precipitation efficiency is improved. The embedded steel plates are used for connection, so that the contact area of the structure is effectively increased, and the prestressed steel bars are used for connection, so that the connection of the structure is guaranteed.
The whole operability is strong, the land is saved, and the economic benefit and the social benefit are obvious.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a top view of fig. 1.
Shown in the figure:
1. hollow square pile, 2, structure side wall, 3, steel sheet, 4, prestressing force steel bar, 5, escape canal, 6, drain pipe, 7, infiltration pipe, 8, water pump.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
The utility model provides a prefabricated precipitation square pile and underground side wall steel sheet superimposed structure system, includes hollow square pile and structure side wall, both upper and lower both ends are pre-buried respectively on the surface separately and are inlayed and have the steel sheet, and all be equipped with the bolt pore on the steel sheet, correspond the bolt pore respectively on the pile body of hollow square pile and the structure side wall and seted up the through-hole, it is fixed through bolt pore and through-hole in-connection prestressing steel bar in the steel sheet department between hollow square pile and the structure side wall, and the gap slip casting between hollow square pile and the structure side wall is fixed. The total thickness of the hollow square pile and the structural side wall is not less than 500cm after superposition.
The hollow square pile is arranged with water seepage holes on other three sides of the pile body below the depth of the structural bottom plate and not close to one side of the structural side wall. The pile body is pre-buried infiltration pipe in the infiltration hole, packs the infiltration granule in the infiltration pipe. The water suction pump is arranged in the hollow square pile, the drainage ditch is formed in the ground far away from the side wall of the structure at the top of the hollow square pile, and the drainage pipe of the water suction pump is arranged in the drainage ditch.
The hollow square pile and the steel plate embedded on the structural side wall are the same in shape and size, and are square steel plates with the side length of 100cm and the thickness of 2 cm. The thickness of the hollow square pile is 200cm, and the steel plate embedded on the hollow square pile is flush with the surface of the pile body.
The utility model discloses a work progress:
the method is characterized in that prefabricated hollow square piles are manufactured in a factory, and conventionally, the prefabricated hollow square piles are square with an inner clearance and a side length of 600cm, the wall thickness of 200cm and the outer edge length of 1000 cm. And (3) embedding square steel plates with the side length of 100cm and the thickness of 2cm at the upper end and the lower end of the hollow square pile by combining the height of the structural side wall of the underground space, embedding the steel plates into concrete, keeping the total thickness of 200cm, and embedding bolt pore channels.
Prefabricating the structural side wall of the underground space in a factory, and pre-embedding square steel plates with the side length of 100cm and the thickness of 2cm at the upper end and the lower end of the side wall according to the spacing modulus of the support piles, wherein the steel plates are embedded into concrete and have the total thickness of 300 cm. The thickness of the side wall is 500cm after the side wall and the prefabricated square piles are superposed, and the requirement on the thickness of the side wall of a common underground space structure can be met.
Whether a hole needs to be led is determined according to the stratum condition on site, if underground water exists after the prefabricated hollow square pile is arranged, water seepage holes with the diameter of 10 cm can be arranged on other three-side pile bodies below the depth of a structural bottom plate according to the depth relation between the excavation depth of a foundation pit and the underground water on one side not close to a structural side wall, a reserved water seepage pipe is adopted as a PC pipe and is embedded on a prefabricated pile body, and seepage particles are filled in the pipe to prevent silt from blocking a water seepage hole channel. And after the pile body is arranged in place, pumping water by using a water discharging pump and discharging the water into a drainage ditch, and excavating the foundation pit after the water level is reduced to 1 m below the elevation of the structural bottom plate.
And excavating the foundation pit, assembling the prefabricated underground space structure after constructing a cushion layer, correspondingly connecting the steel plate pre-embedded corresponding to the prefabricated square pile with the steel plate pre-embedded in the underground space according to the design size, and connecting by adopting prestressed steel bars. And connecting the prefabricated square pile with the underground space prefabricated side wall structure through a prestressed steel bar to form superposition.
And then grouting the gap between the prefabricated square pile and the structural side wall.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (7)
1. The utility model provides a prefabricated precipitation square pile and underground side wall steel sheet coincide structure system which characterized in that: including hollow square pile and structure side wall, both upper and lower both ends are pre-buried respectively on the surface separately and are inlayed and have the steel sheet, and all are equipped with the bolt pore on the steel sheet, correspond the bolt pore respectively on the pile body of hollow square pile and the structure side wall and seted up the through-hole, it is fixed through bolt pore and through-hole in-connection prestressing steel bar in steel sheet department between hollow square pile and the structure side wall, and the gap slip casting between hollow square pile and the structure side wall is fixed.
2. The prefabricated precipitation square pile and underground side wall steel plate superposed structure system as claimed in claim 1, wherein: the hollow square pile is arranged with water seepage holes on other three sides of the pile body below the depth of the structural bottom plate and not close to one side of the structural side wall.
3. The prefabricated precipitation square pile and underground side wall steel plate superposed structure system as claimed in claim 2, wherein: the pile body is pre-buried infiltration pipe in the infiltration hole, packs the infiltration granule in the infiltration pipe.
4. The prefabricated precipitation square pile and underground side wall steel plate superposed structure system as claimed in claim 1, wherein: the water suction pump is arranged in the hollow square pile, the drainage ditch is formed in the ground far away from the side wall of the structure at the top of the hollow square pile, and the drainage pipe of the water suction pump is arranged in the drainage ditch.
5. The prefabricated precipitation square pile and underground side wall steel plate superposed structure system as claimed in claim 1, wherein: the hollow square pile and the steel plate embedded on the structural side wall are the same in shape and size, and are square steel plates with the side length of 100cm and the thickness of 2 cm.
6. The prefabricated precipitation square pile and underground side wall steel plate superposed structure system as claimed in claim 5, wherein: the thickness of the hollow square pile is 200cm, and the steel plate embedded on the hollow square pile is flush with the surface of the pile body.
7. The prefabricated precipitation square pile and underground side wall steel plate superposed structure system as claimed in claim 1, wherein: the total thickness of the hollow square pile and the structural side wall is not less than 500cm after superposition.
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CN202120424445.8U CN214657076U (en) | 2021-02-26 | 2021-02-26 | Prefabricated precipitation square pile and underground side wall steel plate superposed structure system |
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CN202120424445.8U CN214657076U (en) | 2021-02-26 | 2021-02-26 | Prefabricated precipitation square pile and underground side wall steel plate superposed structure system |
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