CN217949068U - Assembled supporting construction suitable for municipal works foundation ditch - Google Patents
Assembled supporting construction suitable for municipal works foundation ditch Download PDFInfo
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- CN217949068U CN217949068U CN202221874882.0U CN202221874882U CN217949068U CN 217949068 U CN217949068 U CN 217949068U CN 202221874882 U CN202221874882 U CN 202221874882U CN 217949068 U CN217949068 U CN 217949068U
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Abstract
The utility model relates to an assembled supporting construction suitable for municipal works foundation ditch belongs to municipal works and foundation ditch engineering technical field, specifically includes Larsen steel sheet pile and shaped steel purlin, larsen steel sheet pile arranges in the foundation ditch to arrange along the both sides of foundation ditch, form continuous steel sheet wall, be provided with shaped steel purlin on the Larsen steel sheet pile, install shaped steel between the shaped steel purlin of foundation ditch both sides and support, bolted connection between shaped steel support and the shaped steel purlin, be provided with between Larsen steel sheet pile and the shaped steel purlin and articulate the subassembly, the utility model discloses construction period is short, and turnover speed is fast, and construction cost is low.
Description
Technical Field
The utility model relates to an assembled supporting construction suitable for municipal works foundation ditch belongs to municipal works and foundation ditch engineering technical field.
Background
With the acceleration of the urbanization process, the construction of municipal drainage pipe network engineering is the most important factor in the urbanization construction. The normal operation of the project is beneficial to creating good urban environment for urban construction, promotes reasonable application of urban resources and realizes the policy goal of sustainable development. In the construction of municipal drainage network engineering, the foundation pit engineering becomes an important content. Because the buildings in cities are dense, construction equipment, building materials and the like are limited by space, and particularly, the foundation pit in the central zone of the city needs to take into account economic benefits, construction period, safety and other factors, so that how to accelerate the construction speed of foundation pit support and reduce the construction cost on the premise of ensuring safety is more and more important. Meanwhile, the green energy-saving concept is advocated in the countries and industries in recent years, and along with the proposal and the promotion of the concept, a novel green foundation pit supporting structure is continuously developed, and assembled components are arranged in a hundred of flowers under the promotion of various novel materials and novel processes. The fabricated foundation pit support has the advantages of safety, rapidness and economy, and the improvement and popularization of the fabricated foundation pit support technology undoubtedly can bring great help to the development and construction of cities. Therefore, the research on an assembly type foundation pit supporting technology suitable for the field of municipal drainage pipe networks is urgently needed.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that prior art exists, the utility model provides a construction period is short, and the turnover is fast, and construction cost is low is applicable to the assembled supporting construction of municipal works foundation ditch.
For realizing above-mentioned purpose, the utility model discloses a technical scheme be an assembled supporting construction suitable for municipal works foundation ditch, including Larsen steel sheet pile and shaped steel purlin, larsen steel sheet pile arranges in the foundation ditch to arrange along the both sides of foundation ditch, form continuous steel sheet wall, be provided with shaped steel purlin on the Larsen steel sheet pile, install shaped steel between the shaped steel purlin of foundation ditch both sides and support, bolted connection between shaped steel support and the shaped steel purlin, be provided with between Larsen steel sheet pile and the shaped steel purlin and articulate the subassembly.
Preferably, the shaped steel purlin includes a plurality of first shaped steel subassemblies, be connected through the bolt between the first shaped steel subassembly, first shaped steel subassembly includes first shaped steel and installs the first end plate at first shaped steel both ends, be provided with first deep floor between the web of first end plate and first shaped steel, install the bolt hole that is used for connecting between the first shaped steel subassembly on the first end plate.
Preferably, the shaped steel supports including a plurality of second shaped steel subassemblies, be connected through the bolt between the second shaped steel subassembly, the second shaped steel subassembly includes second shaped steel and installs the second end plate at second shaped steel both ends, be provided with second deep floor between the web of second end plate and second shaped steel, install the bolt hole that is used for connecting between the second shaped steel subassembly on the second end plate.
Preferably, the hanging and connecting assemblies are arranged between the middle part and the two ends of the profile steel purlin and the Larsen steel sheet pile respectively, each hanging and connecting assembly comprises a hanging piece and a turn buckle, the hanging pieces are fixed to the top of the Larsen steel sheet pile, the hanging pieces and the inner side and the outer side of the profile steel purlin are connected through the turn buckle respectively, two ends of the turn buckle are provided with connecting steel wire ropes respectively, and the connecting steel wire ropes are used for connecting the hanging pieces and the profile steel purlin.
Compared with the prior art, the utility model discloses following technological effect has:
1. this assembled excavation supporting technology adopts Larsen steel sheet pile and steel braced system, can effectively solve municipal drainage pipe network excavation supporting problem, and supporting construction safety, reliable, reasonable, feasible both can fully exert the supporting effect of structure, guarantee deep basal pit construction safety, effectively prevent the appearance of all kinds of construction incident, simultaneously, avoid causing adverse effect to municipal works's service function to obtain higher economic benefits and social.
2. This assembled underground structure supporting technology, supporting construction are full assembled component, adopt the bolt, hang the class connected mode such as replace traditional welding mode, saved a large amount of welding and cutting work, and the construction is convenient, and the installation rate is fast, conveniently demolishs, has improved the construction speed greatly, improves on-the-spot adaptability and turnover, saves engineering cycle by a wide margin.
3. The fabricated foundation pit supporting technology has the advantages of short construction period, high turnover speed, low construction cost and effective reduction of construction cost.
4. According to the assembly type foundation pit supporting technology, all components are assembly type and recyclable steel components, and the assembly type foundation pit supporting technology has the characteristics of energy conservation, high efficiency, environmental protection, greenness and the like, and has no dust, noise and pollution in the material processing and transportation process and the construction period, so that the national guidelines of green and low carbon are fulfilled.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic sectional view of the supporting structure of the present invention.
Fig. 3 is the structure schematic diagram of the medium profile steel support and the steel surrounding purlin of the utility model.
Fig. 4 is the utility model discloses well shaped steel encloses the connection structure sketch map of purlin.
Fig. 5 is a schematic view of the connection structure of the middle profile steel support of the present invention.
Detailed Description
In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in figures 1 to 5, an assembled supporting construction suitable for municipal works foundation ditch, including Larsen steel sheet pile 1 and shaped steel purlin 2, larsen steel sheet pile 1 arranges in the foundation ditch to arrange along the both sides of foundation ditch, form continuous steel sheet wall, be provided with shaped steel purlin 2 on the Larsen steel sheet pile 1, install shaped steel support 3 between the shaped steel purlin of foundation ditch both sides, bolted connection between shaped steel support 3 and the shaped steel purlin 2, be provided with between Larsen steel sheet pile 1 and the shaped steel purlin 2 and articulate subassembly 4.
The utility model discloses well larsen steel sheet pile is a novel temporary support form suitable for assembled foundation ditch, continuously hits via vibratory hammer or pile driver and hits the beating, forms the continuous sheet wall of the embedding soil body. The pile body adopts the steel sheet as construction materials, and material strength is high, rigidity is big, can regard as effectual soil retaining structure, and adjacent pile body has better interlock ability each other, plays the stagnant water effect simultaneously. Meanwhile, the Larsen steel sheet pile occupies a small space, and can exert the advantages in municipal engineering in narrow space. The steel sheet pile material can be repeatedly used, the cost is greatly reduced, and the problem of material waste of temporary engineering is relieved.
The support system comprises a profile steel surrounding purlin and a profile steel support, which are formed by assembling H-shaped steel, the profile steel has high strength and large rigidity, can apply prestress, effectively controls the deformation of foundation pit engineering, and protects the surrounding construction environment. Meanwhile, all the supporting members are connected by adopting on-site assembling bolts without welding, so that the excavation space is greatly increased, the construction period of the foundation pit is obviously shortened, all materials can be recycled, and the construction cost is reduced.
Wherein, shaped steel encloses purlin 2 and includes a plurality of first shaped steel subassemblies 5, is connected through the bolt between the first shaped steel subassembly 5, and first shaped steel subassembly 5 includes first shaped steel 6 and installs the first end plate 7 at first shaped steel both ends, is provided with first deep floor 8 between the web of first end plate 7 and first shaped steel 6, installs the bolt hole 9 that is used for connecting between the first shaped steel subassembly on the first end plate 7. The profiled bar supports 3 and includes a plurality of second profiled bar subassemblies 10, is connected through the bolt between the second profiled bar subassembly 10, and second profiled bar subassembly 10 includes second profiled bar 11 and installs the second end plate 12 at second profiled bar both ends, is provided with second deep floor 13 between the web of second end plate 12 and second profiled bar 11, installs the bolt hole 14 that is used for connecting between the second profiled bar subassembly on the second end plate 12.
As shown in fig. 5, set up respectively between the middle part and both ends of shaped steel purlin 2 and the larsen steel sheet pile 1 and articulate the subassembly, articulate the subassembly and include pendant 15 and turnbuckle 16, and pendant 15 is fixed at the top of larsen steel sheet pile 1, is connected through turnbuckle 16 between the inboard of pendant 15 and shaped steel purlin 2, the outside respectively, and turnbuckle 16's both ends are provided with respectively connect wire rope 17, connect wire rope 17 be used for connecting pendant and shaped steel purlin.
The utility model discloses when using, insert Larsen steel sheet pile in the foundation ditch both sides, steel sheet pile plane layout form is connected for little fore shaft, and in the earth was beaten to the screen formula, continuous steel sheet wall formed, as the retaining wall and the supporting construction who does the stagnant water concurrently. The structural steel enclosing purlin is arranged at the designed depth below the top of the steel sheet pile, the structural steel enclosing purlin is arranged along the extending direction of the foundation pit in a through mode, and each section of structural steel enclosing purlin is spliced into a whole through high-strength bolts. A hanging piece is arranged on the top of the Larsen steel sheet pile 1, and the Larsen steel sheet pile 1 is matched with a steel wire rope and a turn buckle and is connected with the profile steel purlin through the steel wire rope and the turn buckle. Every section shaped steel encloses the purlin and sets up pendant and wire rope and turnbuckle quantity and be no less than 2, arranges two ends and the middle part that the point is located shaped steel encloses the purlin. The horizontal section steel supports are arranged in the cross section direction of the foundation pit, the length is determined according to the excavation width of the foundation pit, each section steel support is formed by splicing high-strength bolts, and the horizontal distance between the section steel supports is determined through calculation. The section steel support is connected with the section steel enclosing purlin through high-strength bolts, and the number of the bolts is determined according to calculation. If the prestress is required, the prestress is applied at the pressing end of the steel section support through a jack. Through the steps, the assembly of the assembled foundation pit supporting structure is completed. After the foundation pit is used, loosening the high-strength bolts and releasing the prestress, dismantling the section steel support and the section steel purlin, dismantling the steel wire rope, the turnbuckle and the hanging piece, and extracting the Larsen steel sheet pile.
To sum up, this assembled excavation supporting design through steel members such as high strength bolt, steel link plate with Larsen steel sheet pile supporting construction and shaped steel purlin and the reliable connection of shaped steel support system is whole, effectively plays the effect of keeping out foundation ditch lateral wall water, soil pressure and control foundation ditch stability and deformation requirement. Meanwhile, all supporting members are processed in a factory and spliced on site, so that the supporting member is extremely convenient to mount and dismount, can be recycled, has little influence on environmental pollution, can effectively save construction time and reduce construction cost, and particularly can adapt to the concept that drainage pipe networks in dense urban areas require efficient operation, green environmental protection, energy conservation and emission reduction.
The above description is only exemplary of the present invention and should not be taken as limiting, and any modifications, equivalents, and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The utility model provides an assembled supporting construction suitable for municipal works foundation ditch, includes Larsen steel sheet pile and shaped steel purlin, its characterized in that: the Larsen steel sheet pile is arranged in the foundation pit and arranged along two sides of the foundation pit to form a continuous steel sheet wall, the Larsen steel sheet pile is provided with a profile steel purlin, profile steel supports are installed between the profile steel purlins on two sides of the foundation pit, the profile steel supports are connected with the profile steel purlins through bolts, and a hanging assembly is arranged between the Larsen steel sheet pile and the profile steel purlins.
2. The fabricated supporting structure suitable for municipal engineering foundation pits according to claim 1, characterized in that: the profiled bar purlin includes a plurality of first profiled bar subassemblies, be connected through the bolt between the first profiled bar subassembly, first profiled bar subassembly includes first profiled bar and installs the first end plate at first profiled bar both ends, be provided with first deep floor between the web of first end plate and first profiled bar, install the bolt hole that is used for connecting between the first profiled bar subassembly on the first end plate.
3. The fabricated supporting structure suitable for the municipal engineering foundation pit according to claim 1, wherein: the shaped steel supports and includes a plurality of second shaped steel subassemblies, be connected through the bolt between the second shaped steel subassembly, the second shaped steel subassembly includes second shaped steel and installs the second end plate at second shaped steel both ends, be provided with second deep floor between the web of second end plate and second shaped steel, install the bolt hole that is used for connecting between the second shaped steel subassembly on the second end plate.
4. The fabricated supporting structure suitable for the municipal engineering foundation pit according to claim 1, wherein: the hanging component is arranged between the middle portion and the two ends of the profile steel purlin and the Larsen steel sheet pile respectively, the hanging component comprises a hanging piece and a turnbuckle, the hanging piece is fixed to the top of the Larsen steel sheet pile, the hanging piece and the profile steel purlin are connected between the inner side and the outer side of the hanging piece and the profile steel purlin through the turnbuckle respectively, the two ends of the turnbuckle are provided with connecting steel wire ropes respectively, and the connecting steel wire ropes are used for connecting the hanging piece and the profile steel purlin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221874882.0U CN217949068U (en) | 2022-07-21 | 2022-07-21 | Assembled supporting construction suitable for municipal works foundation ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221874882.0U CN217949068U (en) | 2022-07-21 | 2022-07-21 | Assembled supporting construction suitable for municipal works foundation ditch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217949068U true CN217949068U (en) | 2022-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221874882.0U Active CN217949068U (en) | 2022-07-21 | 2022-07-21 | Assembled supporting construction suitable for municipal works foundation ditch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217949068U (en) |
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2022
- 2022-07-21 CN CN202221874882.0U patent/CN217949068U/en active Active
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