CN220746886U - Rock-socketed miniature steel pipe pile gallery road foundation - Google Patents

Rock-socketed miniature steel pipe pile gallery road foundation Download PDF

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Publication number
CN220746886U
CN220746886U CN202322012545.1U CN202322012545U CN220746886U CN 220746886 U CN220746886 U CN 220746886U CN 202322012545 U CN202322012545 U CN 202322012545U CN 220746886 U CN220746886 U CN 220746886U
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China
Prior art keywords
steel pipe
rock
pipe pile
miniature steel
trestle
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CN202322012545.1U
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Chinese (zh)
Inventor
何青鹏
邹禄江
房洪强
焦珂
李珍珍
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China Railway Construction Group Zhongyuan Construction Co ltd
China Railway Construction Group Co Ltd
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China Railway Construction Group Zhongyuan Construction Co ltd
China Railway Construction Group Co Ltd
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Priority to CN202322012545.1U priority Critical patent/CN220746886U/en
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Abstract

The utility model discloses a rock-socketed miniature steel pipe pile gallery road foundation which is applied to a target gallery road; the target trestle is an upper trestle of the rock in the river course, and the surface of the rock in the river course is an inclined plane inclined towards the inside of the river course; comprising the following steps: miniature steel pipe piles and concrete columns; the lower half part of the miniature steel pipe pile is embedded into the rock in the river channel; the upper half part of the miniature steel pipe pile is embedded into a concrete column; and the concrete column is used for supporting the target trestle. The utility model relieves the technical problem that the trestle has the risk of sliding in the river under the condition that the rock part of the trestle is inclined rock and inclines in the river.

Description

Rock-socketed miniature steel pipe pile gallery road foundation
Technical Field
The utility model relates to the technical field of trestle foundations, in particular to a rock-socketed miniature steel pipe pile trestle foundation.
Background
Along with the development of the urban process, trestle roads are developed into a special form to be applied to the landscape, and the trestle roads are mainly displayed on the periphery of the landscape lake area and are arranged in a suspended or partially suspended form to play roles in hydrophilic landscape and connecting roads on the periphery of the lake area. The lake edge geology of the scenic spot is complex and changeable, the trestle is stably erected in various geology, and targeted foundation reinforcement treatment is required according to different geology.
The cases of designing trestle on the rock or designing trestle in the river are common in China, but fewer cases of designing trestle on the rock in the river are provided, the construction environments and construction conditions in each river are different, and no systematic rock trestle construction technology is available. Aiming at the condition that the rock parts of the trestle are inclined rocks and incline towards the river, the trestle foundation is positioned in the river, the foundation is also washed by river water in the flood season, and the trestle has the risk of sliding towards the river.
Disclosure of Invention
The utility model aims to solve at least one technical problem and provide a miniature rock-socketed steel pipe pile gallery foundation.
In a first aspect, the embodiment of the utility model provides a rock-socketed miniature steel pipe pile gallery road foundation, which is applied to a target gallery road; the target trestle is an upper trestle of the rock in the river course, and the surface of the rock in the river course is an inclined plane inclined towards the inside of the river course; comprising the following steps: miniature steel pipe piles and concrete columns; the lower half part of the miniature steel pipe pile is embedded into rocks in a river channel; the upper half part of the miniature steel pipe pile is embedded into the concrete column; the concrete column is used for supporting the target trestle.
Further, the miniature steel pipe pile comprises a seamless steel pipe and grouting materials; drilling pile holes in the rock in the river channel; and pouring the grouting material between the seamless steel pipe and the pile hole.
Further, the grouting material comprises CGM grouting material.
Further, the length of the seamless steel pipe is 600mm, and the rock entering depth of the miniature steel pipe pile is 300mm.
Further, the diameter of the miniature steel pipe pile is 200mm; the diameter of the seamless steel pipe is 100mm.
Further, longitudinal steel bars and transverse steel bars are arranged in the concrete column; the longitudinal steel bars and the transverse steel bars are mutually crossed and erected.
Further, concrete foundations are cast on the upper surface of the rock in the river channel and the periphery of the concrete column.
The utility model provides a rock-embedded miniature steel pipe pile gallery foundation, which is characterized in that miniature steel pipe piles are embedded into rocks and are connected with the gallery foundation, so that the shearing resistance and the sliding resistance of the rock gallery foundation can be effectively enhanced, and the technical problem that the gallery has a sliding risk in a river under the condition that the rock parts of the gallery are inclined rocks and incline in the river is solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following description will briefly introduce the drawings that are needed in the detailed description or the prior art, it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a side sectional view of a rock-socketed miniature steel pipe pile gallery road foundation provided by an embodiment of the utility model;
fig. 2 is a top view of a pile foundation of a miniature steel pipe pile with rock-socketed according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a drilling construction of a miniature steel pipe pile according to an embodiment of the present utility model;
fig. 4 is a sectional view of a miniature steel pipe pile according to an embodiment of the present utility model.
In the figure: 1. the pile comprises a miniature steel pipe pile, 2, a concrete column, 3, rock in a river channel, 4, a seamless steel pipe, 5, grouting materials, 6, pile holes, 7, longitudinal steel bars, 8, transverse steel bars, 9, a concrete foundation, 10, bolts, 11, a positioning template, 12, a water drilling machine, 13 and steel bars.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Fig. 1 is a side sectional view of a miniature steel pipe pile gallery road foundation with rock-socketed according to an embodiment of the utility model, the gallery road foundation being applied to a target gallery road. The target trestle is an upper trestle of the rock in the river channel, and the surface of the rock in the river channel is an inclined surface inclined towards the inside of the river channel.
As shown in fig. 1, the miniature steel pipe pile foundation for rock-socketed according to the embodiment of the present utility model includes: a miniature steel pipe pile 1 and a concrete column 2; the lower half part of the miniature steel pipe pile 1 is embedded into a rock 3 in a river channel; the upper half part of the miniature steel pipe pile 1 is embedded into a concrete column 2.
Specifically, concrete columns 2 are used for supporting the target trestle.
Specifically, as shown in fig. 1, the miniature steel pipe pile 1 comprises a seamless steel pipe 4 and a grouting material 5; pile holes 6 are drilled in the rock 3 in the river channel. Grouting material 5 is poured between the seamless steel pipe 4 and the pile hole 6.
Preferably, in the embodiment of the present utility model, the grouting material 5 comprises CGM grouting material.
Alternatively, the length of the seamless steel pipe 4 is 600mm, and the rock-in depth of the miniature steel pipe pile 1 is 300mm.
Optionally, the diameter of the miniature steel pipe pile 1 is 200mm; the diameter of the seamless steel pipe 4 was 100mm. Preferably, in the embodiment of the present utility model, the seamless steel pipe 4 has a gauge of phi 100 x 4.0mm thick.
Specifically, as shown in fig. 1, the inside of the concrete column 2 is provided with longitudinal bars 7 and transverse bars 8. Wherein the longitudinal steel bars 7 and the transverse steel bars 8 are mutually crossed and erected.
Preferably, in the embodiment of the present utility model, the transverse reinforcing bars 8 are disposed at equal intervals on the longitudinal reinforcing bars 7.
Optionally, concrete foundations 9 are also cast on the upper surface of the rock 3 and the periphery of the concrete columns 2 in the river.
Fig. 2 is a top view of a miniature steel pipe pile gallery foundation with rock-socketed according to an embodiment of the present utility model. As shown in fig. 2, the concrete column 2 is a square column.
The construction flow of the rock-socketed miniature steel pipe pile gallery foundation provided by the embodiment of the utility model is as follows: miniature steel pipe pile design, positioning and paying off, miniature steel pipe pile drilling, hole cleaning, miniature steel pipe pile construction, trestle foundation reinforcement binding, trestle foundation template supporting and concrete pouring.
(1) Miniature steel-pipe pile design: in the embodiment of the utility model, the upper structure of the trestle is of a steel structure, the diameter of the miniature steel pipe pile 1 is 200mm, the depth of the engineered rock is 300mm, a seamless steel pipe 4 with the length of 600mm (the specification is phi 100 multiplied by 4.0 mm) is arranged in the trestle foundation column, and the trestle foundation is connected with the rock 3 in the river channel, so that the requirements of shearing resistance and sliding resistance of the trestle foundation can be met. And the steel pipe rock-entering part is filled with CGM grouting materials, and concrete is poured on the part above the rock and the trestle foundation simultaneously, so that the integrity of the trestle foundation and the miniature steel pipe pile is ensured.
(2) Positioning and paying off: after the measurer enters the field, retesting is carried out on the field control point, the control point is encrypted by using a GPS, and a secondary control point is arranged in a trestle construction area, so that the trestle construction paying-off and measurement retesting are facilitated. And positioning and axially arranging a trestle foundation by adopting a total station through a second-level control point of the trestle area, and marking the position of the miniature steel pipe pile 1.
(3) Drilling and cleaning a miniature steel pipe pile: according to the size and rock entering depth of the miniature steel pipe pile 1, rock drilling by using a water drill can be determined.
Fig. 3 is a schematic diagram of a miniature steel pipe pile drilling construction according to an embodiment of the present utility model. As shown in fig. 3, steel pipe pile drilling is performed according to the marked positions of the miniature steel pipe piles. And before drilling, the rock at the bottom of the trestle column is processed smoothly, the working surface of the drilling is ensured to be smooth, after the position of the miniature steel pipe pile is checked, the positioning template 11 is fixed by the bolts 10, and the water drilling machine 12 is locked on the rock surface layer through the positioning template 11, so that the deviation of drilling is avoided. And (3) connecting a water drill power supply, drilling the water drill bit at the aligned position, stopping water drill construction when the specified depth is reached, taking out the bit and the rock mass, and cleaning the pile hole 6 by adopting a high-pressure air pump to ensure that the pile hole is free of sundries and dust.
(4) Construction of a miniature steel pipe pile: fig. 4 is a sectional view of a miniature steel pipe pile according to an embodiment of the present utility model. As shown in fig. 4, three sides of the seamless steel pipe 4 are welded with steel bars 13 as supporting points in the hole to ensure that the seamless steel pipe 4 is fixed in the middle, and the manufactured seamless steel pipe 4 is placed in the pile hole 6. The CGM grouting material is added according to the recommended water consumption on the product qualification certificate provided with the goods, and is stirred uniformly. And then injecting CGM grouting material into the pile hole 6 until the CGM grouting material emerges from the rock surface layer by 10-20 mm, and timely laminating and curing.
(5) Trestle foundation construction includes: binding steel bars, supporting trestle foundation templates and pouring concrete. Specifically, after grouting and solidification of the miniature steel pipe pile, roughening and cleaning the rock surface of the foundation part of the trestle, processing and binding steel bars according to a detailed view of the foundation of the trestle, supporting a template, pouring C30 concrete, and paying attention to reinforcing vibration inside and outside the rock-socketed steel pipe during pouring the concrete so as to ensure compaction of vibration. The light is received on the foundation surface of the guaranteed trestle, and the smoothness and the attractiveness of the surface layer are guaranteed.
As can be seen from the description, the embodiment of the utility model provides a miniature steel pipe pile gallery foundation for rock-socketed, which has the following technical effects compared with the prior art:
(1) The miniature steel pipe pile has stronger shearing resistance, is embedded into rock and is connected with a trestle foundation, so that the shearing resistance and the sliding resistance of the rock trestle foundation can be effectively enhanced, and the durability and the stability of a foundation structure are ensured;
(2) The application of the miniature steel pipe pile greatly improves the anti-scouring capability of the trestle foundation and effectively ensures the flood-passing safety of the trestle foundation;
(3) The embedded miniature steel pipe pile can enable a trestle foundation to be directly constructed on a rock inclined plane layer, so that the inclined plane rock is not required to be subjected to chiseling treatment, the labor investment is greatly reduced, the construction cost is saved, and the construction period is effectively shortened;
(4) The miniature steel pipe pile is constructed by adopting the water drill, large-scale machinery is not needed, the construction is convenient and quick, the rock layer and the rock landscape are not damaged, the ecological environment is effectively protected, and the construction is economical and environment-friendly.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The rock-embedded miniature steel pipe pile gallery road foundation is characterized by being applied to a target gallery road; the target trestle is an upper trestle of the rock in the river course, and the surface of the rock in the river course is an inclined plane inclined towards the inside of the river course; comprising the following steps: miniature steel pipe piles and concrete columns; the lower half part of the miniature steel pipe pile is embedded into the rock in the river channel; the upper half part of the miniature steel pipe pile is embedded into the concrete column; the concrete column is used for supporting the target trestle.
2. The miniature steel pipe pile gallery foundation of claim 1, wherein: the miniature steel pipe pile comprises a seamless steel pipe and grouting materials; drilling pile holes in the rock in the river channel;
and pouring the grouting material between the seamless steel pipe and the pile hole.
3. The miniature steel-pipe pile gallery foundation of claim 2, wherein: the grouting material comprises CGM grouting material.
4. The miniature steel-pipe pile gallery foundation of claim 2, wherein: the length of the seamless steel pipe is 600mm, and the rock-entering depth of the miniature steel pipe pile is 300mm.
5. The miniature steel-pipe pile gallery foundation of claim 2, wherein: the diameter of the miniature steel pipe pile is 200mm; the diameter of the seamless steel pipe is 100mm.
6. The miniature steel pipe pile gallery foundation of claim 1, wherein: longitudinal steel bars and transverse steel bars are arranged in the concrete column; the longitudinal steel bars and the transverse steel bars are mutually crossed and erected.
7. The miniature steel pipe pile gallery foundation of claim 1, wherein: and concrete foundations are also poured on the upper surface of the rock in the river channel and the periphery of the concrete column.
CN202322012545.1U 2023-07-28 2023-07-28 Rock-socketed miniature steel pipe pile gallery road foundation Active CN220746886U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322012545.1U CN220746886U (en) 2023-07-28 2023-07-28 Rock-socketed miniature steel pipe pile gallery road foundation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322012545.1U CN220746886U (en) 2023-07-28 2023-07-28 Rock-socketed miniature steel pipe pile gallery road foundation

Publications (1)

Publication Number Publication Date
CN220746886U true CN220746886U (en) 2024-04-09

Family

ID=90556057

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322012545.1U Active CN220746886U (en) 2023-07-28 2023-07-28 Rock-socketed miniature steel pipe pile gallery road foundation

Country Status (1)

Country Link
CN (1) CN220746886U (en)

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