Steel sheet pile stand column and steel pipe combined supporting structure

Abstract

The utility model provides a steel sheet pile stand column and steel pipe combined supporting structure which comprises a steel sheet pile stand column and a steel pipe support, the steel sheet pile stand column is connected with the steel pipe support through a connecting structure, and the steel pipe support comprises a steel pipe located in the middle and rectangular connecting steel plates located on the two end faces of the steel pipe. The connecting structure is arranged in the middle of the steel pipe and comprises a steel plate located at the bottom and a plurality of fixing steel bars located on the upper portion of the steel plate and connected with the steel pipe support, the fixing steel bars are bent according to the diameter of the steel pipe, the bottoms of the fixing steel bars are bent inwards, the inwards-bent steel bar parts of the fixing steel bars are welded and fixed to the steel plate, and the steel plate is welded and fixed to the top of the steel plate pile stand column. The rectangular connecting steel plate is connected with the three-section steel enclosing purlin, the three-section steel enclosing purlin is welded to the T-shaped fender post of the steel sheet pile, and the three-section steel enclosing purlin is arranged on one side of the top of the T-shaped fender post of the steel sheet pile. Assembling parts in the supporting structure can be recycled, so that the material consumption of components is saved, and the construction cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to civil engineering geotechnical engineering field, especially relate to a kind of support structure of steel sheet pile stand column and steel pipe combination. BACKGROUND

[0002] For larger-span foundation pit, steel lattice stand column and stand column pile are important components in foundation pit supporting structure and inner support system, which jointly act with supporting pile, surrounding purlin, inner support and other supporting structures in foundation pit supporting system to ensure the stability of foundation pit.

[0003] At present, for non-great deep foundation pit in industrial and civil building field, but larger-span, foundation pit inner support system uses steel pipe support, and needs to use the supporting form of steel lattice stand column and stand column pile.But traditional structure joint form engineering cost is high, and other stand column and construction equipment need to be brought in separately, which prolongs construction period. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a kind of support structure of steel sheet pile stand column and steel pipe combination to solve the problem of high engineering cost of foundation pit inner support system for non-great deep foundation pit in industrial and civil building field, but larger-span, and the need to bring in other stand column and construction equipment separately, which prolongs construction period.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] The utility model provides a kind of support structure of steel sheet pile stand column and steel pipe combination, including, steel sheet pile stand column and steel pipe support, the steel sheet pile stand column is connected with the steel pipe support by connecting structure, the steel pipe support includes steel pipe in middle part, rectangular connecting steel plate in both ends of steel pipe;Connecting structure is arranged in middle part of steel pipe, and the connecting structure includes steel plate in bottom, a plurality of fixed steel bars connected with steel pipe support in upper part of steel plate, the fixed steel bar is bent according to the size of steel pipe diameter and the bottom is bent inward, the steel bar part bent inward of fixed steel bar is welded and fixed with steel plate, and the steel plate is welded and fixed with the top of steel sheet pile stand column;Rectangular connecting steel plate in support structure is connected with three-spliced steel surrounding purlin, three-spliced steel surrounding purlin is welded with steel sheet pile "T" shape fender pile, and three-spliced steel surrounding purlin is arranged on one side of the top of steel sheet pile "T" shape fender pile.

[0007] Further, the steel pipe in steel pipe support adopts spiral welded steel pipe.

[0008] Further, steel sheet pile "T" shape fender pile is arranged by two steel sheet piles in "T" shape, and it is embedded in stratum.

[0009] Further, three-spliced steel surrounding purlin is composed of three steel sheet piles and steel plates.

[0010] Further, when the number of connecting structures is one, the connecting structure is arranged at the middle of the steel pipe support.

[0011] Further, when the number of connecting structures is several, the connecting structures are evenly arranged on the steel pipe support, and the number of steel sheet pile columns is the same as the number of connecting structures.

[0012] Compared with the prior art, the steel sheet pile column and steel pipe combined support structure has the following advantages:

[0013] (1) The assembled parts of the utility model can be recycled, compared with the traditional structure, the component consumption is greatly saved, and the engineering cost is reduced; the steel sheet pile column profile can be made of I-beam or profile steel according to the actual construction condition on site, without other column piles and construction equipment, and the construction period is saved. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings forming part of the present utility model are used to provide further understanding of the present utility model, and the illustrative embodiments of the present utility model and the description thereof are used to explain the present utility model, and do not constitute undue limitation on the present utility model.

[0015] In the drawings:

[0016] Figure 1 The overall axial side view of the steel sheet pile column and steel pipe combined support structure is shown in the drawings;

[0017] Figure 2 The connecting structure axial side view of the steel sheet pile column and steel pipe combined support structure is shown in the drawings;

[0018] Figure 3 The steel sheet pile column and steel pipe combined support structure in use is shown in the drawings;

[0019] Figure 4 The enlarged view of the connection between the steel sheet pile "T" shaped enclosure pile and the three-ply steel enclosure purlin of the steel sheet pile column and steel pipe combined support structure in use is shown in the drawings.

[0020] Explanation of reference signs:

[0021] 1, steel sheet pile column; 2, connecting structure; 3, steel pipe support; 4, steel sheet pile "T" shaped enclosure pile; 5, three-ply steel enclosure purlin; 201, fixed steel bar; 202, steel sheet. DETAILED DESCRIPTION

[0022] It should be noted that the embodiments in the present utility model and the features in the embodiments can be combined with each other without conflict.

[0023] In the description of the utility model, it needs to be understood that, the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0024] In the description of the utility model, it needs to be understood that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0025] The utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0026] Referring to Figures 1-4 As shown in the figure, the embodiment provides a support structure combining steel sheet pile stand and steel pipe, which comprises a steel sheet pile stand 1 and a steel pipe support 3, the steel sheet pile stand 1 is connected with the steel pipe support 3 through a connecting structure 2, the steel pipe support 3 comprises a steel pipe located in the middle, and a rectangular connecting steel plate located at the two end faces of the steel pipe; the connecting structure 2 is arranged in the middle of the steel pipe, and the connecting structure 2 comprises a steel plate 202 located at the bottom, and a plurality of fixed steel bars 201 connected with the steel pipe support 3 at the upper part of the steel plate 202, the fixed steel bars 201 are bent according to the size of the diameter of the steel pipe and the bottom is bent inward, the steel bar part bent inward of the fixed steel bars 201 is welded and fixed with the steel plate 202, and the steel plate 202 is welded and fixed with the top of the steel sheet pile stand 1; the rectangular connecting steel plate in the support structure is connected with a three-spliced steel enclosing purlin 5, the three-spliced steel enclosing purlin 5 is welded with a steel sheet pile "T" shaped enclosing pile 4, and the three-spliced steel enclosing purlin 5 is arranged at one side of the top of the steel sheet pile "T" shaped enclosing pile 4.

[0027] Specifically, in the embodiment, the steel pipe in the steel pipe support 3 adopts a spiral welded steel pipe.

[0028] Specifically, in this embodiment, the steel sheet pile "T" shape enclosure pile 4 is arranged by two steel sheet piles in "T" shape, which is embedded in the stratum.

[0029] Specifically, in this embodiment, the three-ply steel enclosure purlin 5 is composed of three steel sheet piles and steel plates.

[0030] Specifically, in this embodiment, when the number of the connecting structure 2 is one, the connecting structure 2 is arranged in the middle of the steel pipe support 3.

[0031] Specifically, in this embodiment, when the number of the connecting structure 2 is several, the connecting structure 2 is evenly arranged on the steel pipe support 3, and the number of the steel sheet pile column 1 is the same as that of the connecting structure 2.

[0032] The construction procedure of the support structure is as follows: (1) according to the design requirements, the position of the steel sheet pile is excavated, and the excavation is carried out to the design elevation, the steel sheet pile is constructed, and two steel sheet piles are arranged in "T" shape; (2) according to the design requirements, the connecting structure of the steel sheet pile column and the steel pipe support is made on site, including the fixed steel bars at the upper part and the steel plates at the bottom. The fixed steel bars are bent according to the diameter of the steel pipe and welded with the steel plates at the bottom; (3) the steel sheet pile column and the steel pipe support are placed on the top of the steel sheet pile through the connecting structure, and the contact parts are welded and fixed.

[0033] According to the structure calculation near the span of the three-ply steel enclosure purlin, the position of the steel pipe support is reasonably arranged, and the steel sheet pile column is arranged in the middle of the horizontally arranged steel pipe of the steel pipe support. If the horizontal span of the steel pipe support is large, the steel sheet pile column should be appropriately increased to bear the weight of the steel pipe in the steel pipe support.

[0034] The steel sheet pile "T" shape enclosure pile is arranged by two steel sheet piles in "T" shape, which plays a role in water stop and enclosure. The three-ply steel enclosure purlin is composed of three steel sheet piles and steel plates, and is welded with the steel sheet pile "T" shape enclosure pile to control the horizontal deformation of the foundation pit. The steel pipe support generally adopts spiral welded steel pipe, and the two ends are welded with the three-ply steel enclosure purlin and the steel sheet pile "T" shape enclosure pile through the steel plates to resist the horizontal deformation together.

[0035] When the steel sheet pile column and steel pipe combined support structure is used, the specific construction method of the overall support system includes the following steps:

[0036] (1) Steel sheet pile "T" shape enclosure pile construction: the steel sheet pile "T" shape enclosure pile is used as the enclosure structure for retaining soil and water stop, and the steel sheet pile is arranged in "T" shape in groups and embedded in the stratum to a depth that meets the stability requirements of the foundation pit.

[0037] (2) Steel sheet pile column construction: the steel sheet pile column is arranged in "T" shape, and the arrangement position and embedding depth of the steel sheet pile column should meet the requirements of bearing the weight of the steel pipe support.

[0038] (3) The foundation pit is excavated to the bottom elevation of the steel pipe horizontal support. Three-pieced steel enclosing purlins are arranged on the inner side of the top of the steel sheet pile. The steel pipe support and the connecting structure node position are arranged according to the design requirements and are welded and connected with the three-pieced steel enclosing purlins and the steel sheet pile stand column respectively, and jointly form the foundation pit horizontal support system.

[0039] (4) With the excavation of the foundation pit, the construction of the underground main structure, and the backfilling of the foundation pit, finally the three-pieced steel enclosing purlins, the steel sheet pile stand column, the steel pipe support and the like are removed and recycled, and are properly treated to be used continuously next time.

[0040] In the embodiment, the assembled parts can be recycled, compared with the traditional structure form, the component material consumption is greatly saved, and the engineering cost is reduced; the steel sheet pile stand column profile can be I-shaped steel or profile steel according to the actual construction condition on site, other stand column piles and construction equipment do not have to be separately brought on site, and the construction period is saved.

[0041] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A support structure of a steel sheet pile stand combined with a steel pipe, characterized by, The utility model relates to a steel sheet pile support structure, including steel sheet pile stand (1) and steel pipe support (3), steel sheet pile stand (1) is connected with steel pipe support (3) through connecting structure (2), steel pipe support (3) includes steel pipe in the middle, rectangular connecting steel sheet in both ends of steel pipe, connecting structure (2) is located in the middle of steel pipe, connecting structure (2) includes steel sheet (202) in the bottom, a plurality of fixed steel bars (201) in the upper portion of steel sheet (202) and steel pipe support (3) connection, the fixed steel bar (201) is curved according to the size of steel pipe diameter and is bent inward at the bottom, the steel bar portion bent inward of fixed steel bar (201) is welded and fixed with steel sheet (202), steel sheet (202) is welded and fixed with the top of steel sheet pile stand (1), the rectangular connecting steel sheet in the support structure is connected with three spliced steel encloses purlin (5), three spliced steel encloses purlin (5) is welded with steel sheet pile " T " shape enclosure stake (4), three spliced steel encloses purlin (5) is arranged in the one side of stake top of steel sheet pile " T " shape enclosure stake (4).

2. The steel sheet pile column and steel pipe combined support structure according to claim 1, characterized by, The steel pipe in the steel pipe support (3) is a spiral welded steel pipe.

3. The steel sheet pile column and steel pipe combined support structure according to claim 1, characterized by, The steel sheet pile " T " shape enclosure stake (4) is composed of two steel sheet piles arranged in a " T " shape, which are embedded in the stratum.

4. The steel sheet pile column and steel pipe combined support structure according to claim 1, characterized by, The three spliced steel encloses purlin (5) is composed of three steel sheet piles and steel sheets.

5. The steel sheet pile column and steel pipe combined support structure according to claim 1, characterized by, When the number of connecting structures (2) is one, the connecting structure (2) is arranged in the middle of the steel pipe support (3).

6. The steel sheet pile column and steel pipe combined support structure according to claim 1, characterized by, When the number of connecting structures (2) is several, the connecting structures (2) are evenly arranged on the steel pipe support (3), and the number of steel sheet pile stands (1) is the same as that of the connecting structures (2).

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