CN212175752U - Recoverable combination HPC worker method steel underground continuous wall - Google Patents
Recoverable combination HPC worker method steel underground continuous wall Download PDFInfo
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- CN212175752U CN212175752U CN202020379871.XU CN202020379871U CN212175752U CN 212175752 U CN212175752 U CN 212175752U CN 202020379871 U CN202020379871 U CN 202020379871U CN 212175752 U CN212175752 U CN 212175752U
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Abstract
The utility model provides a recoverable combination HPC worker method steel underground continuous wall, including upper portion and lower part, the upper portion includes steel-pipe pile, little tongue-and-groove and C shaped steel sheet pile, the both sides of steel-pipe pile are equipped with little tongue-and-groove, little tongue-and-groove is connected with C shaped steel sheet pile, the lower part includes H shaped steel and steel sheet, the lower extreme welding of steel-pipe pile has the steel sheet, the steel sheet is connected with the upper end of H shaped steel. The utility model relates to a recoverable combination HPC worker method steel underground continuous wall, the transportation is convenient for the availability factor of PC steel-pipe pile, and the atress is reasonable, and the steel content is lower and economic environmental protection.
Description
Technical Field
The utility model relates to a geotechnical engineering's foundation ditch engineering technical field, in particular to recoverable combination HPC worker method steel underground continuous wall.
Background
The foundation pit engineering is widely applied to the fields of urban building engineering, subway engineering, underground comprehensive pipe gallery engineering and the like. At present, domestic foundation pit supporting structures are in the forms of steel plate pile construction method, cast-in-situ bored pile structures, PC construction method piles, HC construction method piles, SMW construction method piles and the like.
The steel plate pile construction method has the characteristics of high quality, convenient and fast construction, high speed and reusability, and is widely applied to temporary enclosure of railway piers and foundation pit engineering with shallow excavation depth; the most common structures in deep foundation pit engineering are cast-in-situ bored piles and piles in an SMW (soil mixing wall) construction method, but the leakage phenomenon often occurs because the construction quality of a waterproof curtain is difficult to control. A large amount of mud exists in the construction process of the drilled pile, and the drilled pile is buried underground after being used, so that the influence on the underground environment is large. The PC construction method pile adopts the combination of the steel pipe pile and the Larsen steel plate pile, has large integral rigidity and better water stop and stress, but has difficult transportation and large cost of the overlong steel pipe pile due to the small specification of the existing PC steel pipe pile in the market.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a recoverable combination HPC worker method steel underground continuous wall, the transportation is convenient for the availability factor of PC steel-pipe pile, and the atress is reasonable, and the steel content is lower and economic environmental protection.
In order to realize the above-mentioned purpose, the utility model provides a recoverable combination HPC worker method steel underground continuous wall, including upper portion and lower part, the upper portion includes steel-pipe pile, little tongue-and-groove and C shaped steel sheet pile, the both sides of steel-pipe pile are equipped with little tongue-and-groove, little tongue-and-groove is connected with C shaped steel sheet pile, the lower part includes H shaped steel and steel sheet, the lower extreme welding of steel-pipe pile has the steel sheet, the steel sheet is connected with the upper end of H shaped steel.
The utility model discloses a set up the steel-pipe pile that H shaped steel replaces the lower part, utilize the steel sheet to be connected H shaped steel and steel-pipe pile, reduced the length of steel-pipe pile, transportation convenient and fast has also reduced the more economic environmental protection of steel content, has satisfied the requirement that diaphragm wall rigidity is big, warp for a short time, the stagnant water is effectual simultaneously, can also retrieve completely, very friendly to the environment.
Preferably, the steel plate and the H-shaped steel are connected by welding.
Preferably, the steel plate and the H-shaped steel are connected through high-strength bolts.
Preferably, the C-shaped steel sheet pile is a larsen steel sheet pile.
Preferably, the small rabbet is welded with the steel pipe pile, the small rabbet comprises a welding part, a connecting part and a first hook part, the welding part, the connecting part and the first hook part form an unsealed space, the welding part is welded with the steel pipe pile, two sides of the C-shaped steel sheet pile are provided with a second hook part, and the C-shaped steel sheet pile and the small rabbet are connected through the first hook part and the second hook part. The connection between C type steel sheet pile and the steel-pipe pile can not only be guaranteed to such setting reliable and stable, still make things convenient for the dismantlement between the two when pulling out simultaneously.
The utility model has the advantages that: the utility model discloses modes such as vibration hammer, hydraulic pressure and jump bit, static pressure can be adopted. The rigidity is large, the deformation is small, the water stopping effect is excellent, the construction speed is high, the maintenance time can be saved, and the construction period is greatly shortened; but make full use of PC steel-pipe pile and H shaped steel on the existing market, through high strength bolt or welded connection, retrieve completely, the environmental protection has solved the transportation difficult problem of overlength PC steel-pipe pile for the availability factor of PC steel-pipe pile, and the atress is reasonable, and the steel content is lower and economic environmental protection.
The features and advantages of the present invention will be described in detail by way of examples and figures.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a cross-sectional structure a-a in fig. 1.
Fig. 3 is a schematic diagram of a cross-sectional structure a-a in fig. 1.
Fig. 4 is a schematic structural diagram of a tongue-and-groove.
The steel pipe pile comprises a 1-PC steel pipe pile body, 2-small grooves and tongues, a 3-C type steel plate pile body, 4-H type steel, 5-steel plates, 6-high-strength bolts, 21-welding portions, 22-connecting portions, 23-hook portions I and 31-hook portions II.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail by the following embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 to 4, the utility model relates to a recoverable combination HPC construction method steel underground continuous wall, including an upper portion and a lower portion, the upper portion includes a PC steel pipe pile 1, a small rabbet 2 and a C-shaped steel plate pile 3, both sides of the PC steel pipe pile 1 are provided with the small rabbet 2, the small rabbet 2 is welded with the PC steel pipe pile 1, the small rabbet 2 includes a welding portion 21, a connecting portion 22 and a hook portion 23, the welding portion 21, the connecting portion 22 and the hook portion 23 constitute an unsealed space, the welding portion 21 is welded with the PC steel pipe pile 1, the C-shaped steel plate pile 3 is a larsen steel plate pile, both sides of the larsen steel plate pile are provided with a hook portion two 31, the larsen steel plate pile and the small rabbet 2 are connected through the hook portion one 23 and the hook portion two 31, the upper portion forms a more reliable water stopping and soil retaining PC pile steel underground continuous wall construction method, the lower portion includes an H-shaped steel plate 4, the lower extreme welding of PC steel-pipe pile 1 has steel sheet 5, steel sheet 5 adopts welding or high-strength bolt 6 to be connected with the upper end of H shaped steel 4, on the basis that satisfies the big, deformation little, the effectual requirement of stagnant water of rigidity, can also recycle, economic environmental protection.
During construction, the construction method comprises the following steps:
the first step is as follows: determining the types of the H-shaped steel 4, the Larsen steel plate pile and the steel pipe pile according to site conditions and calculation analysis;
the second step is that: welding small tongue-and-groove 2 on the PC steel pipe pile 1 according to the designed lengths of the H-shaped steel 4, the Larsen steel plate pile and the steel pipe pile;
the third step: constructing a PC steel pipe pile 1 with a small rabbet 2, a Larsen steel plate pile and H-shaped steel 4;
the fourth step: excavating a foundation pit and constructing a supporting system;
the fifth step: cleaning the bottom of a foundation pit, filling plain soil, leveling, pouring a cushion layer, and constructing a bottom plate and a main body structure;
and a sixth step: and after earth backfilling, sequentially pulling out and recovering the Larsen steel plate pile, the steel pipe pile and the H-shaped steel 4.
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 modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (5)
1. A recoverable combination HPC worker method steel underground continuous wall which characterized in that: the steel pipe pile comprises an upper part and a lower part, wherein the upper part comprises a steel pipe pile, small tongues and grooves and a C-shaped steel plate pile, the small tongues and grooves are arranged on two sides of the steel pipe pile and connected with the C-shaped steel plate pile, the lower part comprises H-shaped steel and a steel plate, the steel plate is welded at the lower end of the steel pipe pile, and the steel plate is connected with the upper end of the H-shaped steel.
2. The recyclable combined HPC construction steel underground continuous wall as described in claim 1, wherein: the steel plate is connected with the H-shaped steel in a welding mode.
3. The recyclable combined HPC construction steel underground continuous wall as described in claim 1, wherein: the steel plate is connected with the H-shaped steel through high-strength bolts.
4. The recyclable combined HPC construction steel underground continuous wall as described in claim 1, wherein: the C-shaped steel sheet pile is a Larsen steel sheet pile.
5. The recyclable combined HPC construction steel underground continuous wall as described in claim 1, wherein: the small rabbet is welded with the steel pipe pile, the small rabbet comprises a welding part, a connecting part and a first hook part, the welding part, the connecting part and the first hook part form an unsealed space, the welding part is welded with the steel pipe pile, two sides of the C-shaped steel plate pile are provided with a second hook part, and the C-shaped steel plate pile is connected with the small rabbet through the first hook part and the second hook part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020379871.XU CN212175752U (en) | 2020-03-24 | 2020-03-24 | Recoverable combination HPC worker method steel underground continuous wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020379871.XU CN212175752U (en) | 2020-03-24 | 2020-03-24 | Recoverable combination HPC worker method steel underground continuous wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212175752U true CN212175752U (en) | 2020-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020379871.XU Active CN212175752U (en) | 2020-03-24 | 2020-03-24 | Recoverable combination HPC worker method steel underground continuous wall |
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| Country | Link |
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| CN (1) | CN212175752U (en) |
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2020
- 2020-03-24 CN CN202020379871.XU patent/CN212175752U/en active Active
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230902 Address after: Room 241, No. 603 Hongfeng Road, Donghu Street, Linping District, Hangzhou City, Zhejiang Province, 311103 Patentee after: Hangzhou Wending Rock and Soil Technology Co.,Ltd. Address before: 310000 No. 38, Zhejiang Road, Hangzhou, Zhejiang, Xihu District Patentee before: Jin Xiaorong |