CN216194892U - Subway upper cover project construction elevator foundation structure - Google Patents
Subway upper cover project construction elevator foundation structure Download PDFInfo
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- CN216194892U CN216194892U CN202122675718.9U CN202122675718U CN216194892U CN 216194892 U CN216194892 U CN 216194892U CN 202122675718 U CN202122675718 U CN 202122675718U CN 216194892 U CN216194892 U CN 216194892U
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Abstract
The utility model provides a subway upper cover project construction elevator foundation structure, including subway apron roof beam, newly-increased extension girder, newly-increased coincide secondary beam and construction elevator face, subway apron roof beam includes two at least and the interval sets up, every subway apron roof beam top fluting makes the roof beam face muscle expose, a fixedly connected with newly-increased extension girder on the roof beam gluten at every subway apron roof beam top respectively, newly-increased extension is connected with a plurality of newly-increased coincide secondary beams between the girder, the top surface of novel coincide secondary beam and the novel top surface that connects the long girder are in same horizontal plane, the bottom surface of novel coincide secondary beam and subway apron top surface have the interval between, construction elevator face is fixed in newly-increased on the top surface that connects long girder and newly-increased coincide secondary beam. According to the utility model, the newly-added lengthened main beam is connected in a form of the superposed beam, and the newly-added superposed secondary beam is additionally arranged, so that the span of the foundation plate is reduced, the condition that the steel bearing plate is used as a template support is met, and the condition that the cover plate structure is cracked due to the fact that load is transmitted to the cover plate of the subway application warehouse is avoided.
Description
Technical Field
The utility model relates to the technical field of construction elevator foundation structures, in particular to a subway upper cover project construction elevator foundation structure.
Background
At present, city construction is developed rapidly, and the demand for underground space is more and more, so that more and more new projects are subway upper cover projects. However, because the construction working face of the subway upper cover project is on the top plate of the subway application garage, no basement is available for the construction elevator to return to the top. Therefore, the face of the top plate of the subway operation warehouse is difficult to bear the load of the construction elevator, which causes trouble to the installation of the construction elevator, and if the top plate of the subway operation warehouse is still directly installed on the face of the top plate of the subway operation warehouse, the structure of the face of the top plate can be damaged, and even safety production accidents can be caused. Therefore, the subway upper cover project construction elevator foundation structure is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a subway upper cover project construction elevator foundation structure, which aims to overcome the defects that the plate surface of the top plate of the conventional subway application warehouse is difficult to bear the load of a construction elevator, the installation of the construction elevator is disturbed and the like.
The utility model adopts the following technical scheme:
the utility model provides a subway upper cover project construction elevator foundation structure, includes subway apron roof beam, newly-increased extension girder, newly-increased coincide secondary beam and construction elevator face, subway apron roof beam includes two at least and the interval sets up, and every subway apron roof beam top fluting makes the roof beam face muscle expose, and a fixedly connected with newly-increased extension girder on the roof beam gluten at every subway apron roof beam top respectively, be connected with a plurality of newly-increased coincide secondary beams between the newly-increased extension girder, the top surface of novel coincide secondary beam with the top surface of novel extension girder is in same horizontal plane, has the interval between the bottom surface of novel coincide secondary beam and the subway apron top surface, construction elevator face is fixed in newly-increased extension girder reaches on the top surface of newly-increased coincide secondary beam.
In a preferred embodiment, the subway cover plate beams are arranged in parallel, and an acute angle is formed between the long edge of the construction elevator plate surface and the central axis of the subway cover plate beam.
In a preferred embodiment, the subway cover plate beams comprise three and parallel beams, a newly-added elongated main beam is fixedly connected to the beam gluten at the top of each subway cover plate beam in parallel, and a plurality of newly-added superposed secondary beams which are intersected or arranged in parallel are arranged between every two adjacent newly-added elongated main beams.
In a preferred embodiment, the subway cover plate beam comprises three, two of the three are arranged in parallel and are perpendicular to the other, a newly added elongated main beam is fixedly connected to the beam gluten at the top of each subway cover plate beam respectively, two of the newly added elongated main beams form a cross structure, the other newly added elongated main beam is positioned on one quadrant of the cross structure, a plurality of newly added superposed secondary beams are arranged between the newly added elongated main beam and the newly added elongated main beam parallel to the newly added elongated main beam, and the other three quadrants of the cross structure are correspondingly connected with the newly added superposed secondary beams respectively.
In a preferred embodiment, the height of the newly-added long main beam is 800mm, and the length of the newly-added long main beam is not more than 8000 mm; the height and the width of the newly-added superposed secondary beam are 600mm and 650mm respectively.
From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:
according to the utility model, the newly-added lengthened main beam is connected in a form of the superposed beam, and the newly-added superposed secondary beam is additionally arranged, so that the span of the foundation plate is reduced, the condition that the steel bearing plate is used as a template support is met, and the condition that the cover plate structure is cracked due to the fact that the steel bearing plate does not need to be supported by the vertical rod is avoided. The space is reserved between the newly-added superposed secondary beam and the subway application library cover plate, so that the load borne by the construction elevator foundation is only transmitted to the superposed main beam, and then is transmitted to the subway cover plate beam structure through the superposed main beam, the subway cover plate surface is prevented from bearing the load, the use of the main structure construction elevator can be met, and the field progress is ensured under the condition of ensuring the safety of the whole structure.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural view of the newly added extension main beam and the subway cover plate beam.
Fig. 3 is a schematic structural diagram of the newly added composite secondary beam of the present invention.
Fig. 4 is a schematic structural diagram of a second embodiment of the present invention.
FIG. 5 is a schematic structural diagram of a third embodiment of the present invention.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings. Numerous details are set forth below in order to provide a thorough understanding of the present invention, but it will be apparent to those skilled in the art that the present invention may be practiced without these details. Well-known components, methods and processes are not described in detail below.
Example one
The utility model provides a subway upper cover project construction elevator foundation structure, refers to figure 1, includes subway apron roof beam 1, newly-increased extension girder 10, newly-increased coincide secondary beam 20 and construction elevator face 30. The subway cover plate beam 1 of the embodiment includes four subway cover plate beams, wherein three subway cover plate beams 1 are arranged in parallel, and the other subway cover plate beam 1 is respectively perpendicular to the other three subway cover plate beams 1. The beam gluten at the top of each subway cover plate beam 1 is fixedly connected with a newly-added long main beam 10 in parallel. The height of the newly added lengthened main beam 10 is 800mm, and the maximum length is not more than 8000 mm.
Referring to fig. 1, a plurality of newly-added overlapped secondary beams 20 which are intersected or staggered are connected between every two adjacent newly-added lengthened main beams 10, and the height and the width of each newly-added overlapped secondary beam 20 are 600mm and 650mm respectively.
The top surface of above-mentioned novel coincide secondary beam 20 and the top surface of novel extension girder 10 are in same horizontal plane, have the interval between the bottom surface of novel coincide secondary beam 20 and the 2 top surfaces of subway apron, and construction elevator face 30 is fixed in on the top surface of newly-increased extension girder 10 and newly-increased coincide secondary beam 20.
Specifically, referring to fig. 2, the stirrups of the newly added lengthened main beam 10 include a main beam bottom rib 101, a main beam waist rib 102, and a main beam gluten 103, wherein the bottom rib 101 is fixedly connected with the beam surface rib of the floor slab beam 1 by a single-side welding method. Referring to fig. 3, the stirrup of the newly added composite secondary beam 20 includes a secondary beam bottom rib 201, a secondary beam waist rib 202 and a secondary beam rib 203, and the secondary beam waist rib 202 is also fixedly connected with the primary beam waist rib 102 by a single-side welding method. And sand filling 3 is arranged between the bottom lower part of the bottom rib 201 of the secondary beam and the subway cover plate 2, and the steel bearing plate steel rib of the construction elevator plate surface 30 is anchored in the newly added superposed secondary beam 20.
An acute angle is formed between the long edge of the construction elevator plate surface 30 and the central axis of the subway cover plate beam 1, so that the whole construction elevator plate surface 30 covers a plurality of subway cover plate beams 1 as much as possible, and the stress of each subway cover plate beam 1 is reduced.
The concrete construction mode of the foundation structure of the subway upper cover project construction elevator is as follows:
the design drawing is positioned at the site for lofting and actual new extension main beam positioning, chiseling treatment is carried out on the subway cover plate beam, beam gluten is exposed, broken stones generated after chiseling are cleared, and flushing and scouring are carried out.
And secondly, welding newly-added lengthened main beam stirrups on the beam surface stirrups.
And thirdly, completing the binding of newly-added lengthened main beams, newly-added superposed secondary beams and construction elevator plate surface structural steel bars.
Fourthly, adopting permanent template supporting molds for the side molds of the newly added lengthened main beam and the newly added superposed secondary beam; the plate bottom of the newly added lengthened main beam adopts a steel bearing plate formwork, and the newly added secondary beam bottom adopts a sand filling mode as a secondary beam bottom formwork.
Fifthly, pre-burying the embedded part of the construction elevator and then pouring.
And sixthly, maintaining the foundation of the construction elevator after the pouring is finished, dismantling the beam side mold when the mold dismantling requirement is met, and flushing the bottom of the secondary beam with a high-pressure water gun to fill sand to finish the seam removal.
Example two
Referring to fig. 4, the number of the subway cover plate beams 1 corresponding to the position of the foundation structure of the construction elevator in this embodiment is relatively small, so the number of the subway cover plate beams 1 in this embodiment is three, two of the subway cover plate beams are arranged in parallel and are perpendicular to the other subway cover plate beam, a newly added elongated main beam 10 is fixedly connected to a beam gluten at the top of each subway cover plate beam 1 respectively, two of the newly added elongated main beams 10 form a cross structure, the other newly added elongated main beam 10 is located in one of quadrants of the cross structure, a plurality of newly added superposed secondary beams 20 are arranged between the newly added elongated main beam 10 and the newly added elongated main beam 10 parallel thereto, and the other three quadrants of the cross structure are correspondingly connected to one newly added superposed secondary beam 20 respectively. The construction elevator plate surface 30 is fixed on the top surfaces of the newly added lengthened main beam 10 and the newly added superposed secondary beam 20.
EXAMPLE III
Referring to fig. 5, a set of rectangular subway cover plate beam structures is arranged below the foundation structure of the construction elevator in the embodiment, but one corner of the foundation structure of the construction elevator protrudes out more. Therefore, the subway cover plate beam of the embodiment includes, in addition to four subway cover plate beams 1 forming a rectangular structure, one subway cover plate beam 1 located beside the rectangular structure, and one newly added elongated main beam 10 is respectively and fixedly connected above each subway cover plate beam 1, wherein the four newly added elongated main beams 10 form a rectangular structure, and the other one is located outside the rectangle. A plurality of newly-added overlapped secondary beams 20 which are distributed in parallel at intervals are fixed in parallel in the four newly-added lengthened main beams 10 which form a rectangular structure, and a plurality of intersected newly-added overlapped secondary beams 20 are fixed between the newly-added lengthened main beam 10 outside the rectangle and the newly-added lengthened main beam 10 nearest to the newly-added lengthened main beam. The construction elevator plate surface 30 is fixed above the newly-added lengthened main beam 10 with a rectangular structure and the newly-added overlapped secondary beam 20 inside the newly-added lengthened main beam, and one corner of the newly-added lengthened main beam is fixed on the novel overlapped secondary beam 20 intersected with the rectangular outside.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (5)
1. The utility model provides a subway upper cover project construction elevator foundation structure which characterized in that: including subway apron roof beam, newly-increased extension girder, newly-increased coincide secondary beam and construction elevator face, subway apron roof beam includes two and interval setting at least, and every subway apron roof beam top fluting makes roof beam face muscle expose, and fixedly connected with is a newly-increased extension girder on the roof beam gluten at every subway apron roof beam top respectively, newly-increased extension is connected with a plurality of newly-increased coincide secondary beams between the girder, newly-increased coincide secondary beam's top surface with newly-increased top surface that connects long girder is in same horizontal plane, has the interval between the bottom surface of novel coincide secondary beam and the subway apron top surface, construction elevator face is fixed in newly-increased extension girder reaches on the top surface of newly-increased coincide secondary beam.
2. The subway upper cover project construction elevator foundation structure of claim 1, wherein: the subway cover plate beams are arranged in parallel, and an acute angle is formed between the long edge of the construction elevator plate surface and the central axis of the subway cover plate beams.
3. The subway upper cover project construction elevator foundation structure of claim 1, wherein: the subway apron roof beam includes three and parallel arrangement, and parallel fixedly connected with increases the extension girder on the roof beam gluten at every subway apron roof beam top respectively, is equipped with a plurality of crossing or parallel arrangement's increase coincide secondary beam between every two adjacent increase extension girders.
4. The subway upper cover project construction elevator foundation structure of claim 1, wherein: the subway cover plate beam comprises three subway cover plate beams, wherein two subway cover plate beams are arranged in parallel and are perpendicular to the other subway cover plate beam, a newly-added lengthened main beam is fixedly connected to a beam gluten at the top of each subway cover plate beam respectively, the two newly-added lengthened main beams form a cross structure, the other newly-added lengthened main beam is positioned on one quadrant of the cross structure, a plurality of newly-added superposed secondary beams are arranged between the newly-added lengthened main beam and the newly-added lengthened main beam parallel to the newly-added lengthened main beam, and the other three quadrants of the cross structure are correspondingly connected with the newly-added superposed secondary beams respectively.
5. The subway upper cover project construction elevator foundation structure of claim 1, wherein: the height of the newly-added long main beam is 800mm, and the length of the newly-added long main beam is not more than 8000 mm; the height and the width of the newly-added superposed secondary beam are 600mm and 650mm respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122675718.9U CN216194892U (en) | 2021-11-03 | 2021-11-03 | Subway upper cover project construction elevator foundation structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122675718.9U CN216194892U (en) | 2021-11-03 | 2021-11-03 | Subway upper cover project construction elevator foundation structure |
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| CN216194892U true CN216194892U (en) | 2022-04-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506399A (en) * | 2022-10-08 | 2022-12-23 | 中国华西企业有限公司 | Construction method of sinking type construction elevator foundation structure |
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2021
- 2021-11-03 CN CN202122675718.9U patent/CN216194892U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506399A (en) * | 2022-10-08 | 2022-12-23 | 中国华西企业有限公司 | Construction method of sinking type construction elevator foundation structure |
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