CN112499467A - Subway station expanded end assembled gantry crane track foundation and construction method thereof - Google Patents
Subway station expanded end assembled gantry crane track foundation and construction method thereof Download PDFInfo
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- CN112499467A CN112499467A CN202011329142.4A CN202011329142A CN112499467A CN 112499467 A CN112499467 A CN 112499467A CN 202011329142 A CN202011329142 A CN 202011329142A CN 112499467 A CN112499467 A CN 112499467A
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- steel
- foundation
- gantry crane
- crane track
- subway station
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- 238000010276 construction Methods 0.000 title claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 129
- 239000010959 steel Substances 0.000 claims abstract description 129
- 238000003466 welding Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 7
- 239000011378 shotcrete Substances 0.000 claims description 3
- 241001669679 Eleotris Species 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a subway station expanded end fabricated gantry crane track foundation and a construction method thereof, wherein the track foundation comprises a plurality of combined steel structure components which are sequentially arranged and connected; the combined steel structure component comprises a steel support fixed end arranged on an inclined support at the inner side of the foundation expansion end; the combined steel structure component also comprises a steel purlin beam foundation arranged below the gantry crane track, two ends of the steel purlin beam foundation are respectively erected and fixed on the fixed ends of the steel supports, and the center lines of the steel purlin beam foundation and the non-expanded end track beam foundation are positioned in the same plane; the steel purlin beam foundation is connected with the inner wall of the side wall in the horizontal direction by adopting a transverse connecting piece to form transverse restraint. The invention utilizes the existing structure, does not cause any influence on the foundation construction, can solve the problems of long construction time, complicated steps and large occupied space of the foundation of the expanded end gantry crane, and can also reduce the influence on the construction of subsequent auxiliary structures.
Description
Technical Field
The invention relates to a construction method of a track foundation, in particular to an expanded end assembly type gantry crane track foundation of a subway station and a construction method thereof.
Background
At present, urban rail transit construction is carried out in all big cities in China, and the application of the shield tunnel technology is increasingly popularized and standardized. The reasonable arrangement relationship of the shield tunnel and the originating well is quite close, and the arrangement and design of the gantry crane track beam are key links of the plane arrangement of the shield originating well. Usually, the outer side of a foundation pit is used as a gantry crane foundation, but in order to meet the starting and receiving requirements of a shield machine during design of a subway station, the local expansion of the end well is often caused, and the distance between the foundation pits is increased. The width of the expanded end is used as the track interval of the gantry crane, so that the span of the gantry crane is increased, the economical efficiency is reduced, and the occupied area is larger.
At present, some stations are provided with expanded end track beams, namely, retaining walls are used as bases of gantry cranes, the track beams are arranged at the expanded ends, but reinforced concrete beams are often adopted, and the defects that the structure is complex, the self weight is large, the construction investment is large, the period is long, the post-treatment is complex, the cyclic utilization cannot be realized and the like are obvious.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention provides an expanded end fabricated gantry crane track foundation for a subway station and a construction method thereof.
The technical scheme provided by the invention is as follows: an enlarged end fabricated gantry crane track foundation for a subway station comprises a plurality of combined steel structure components which are sequentially arranged and connected; the combined steel structure component comprises a steel support fixed end arranged on an inclined support at the inner side of the foundation expansion end; the combined steel structure component also comprises a steel purlin beam foundation arranged below the gantry crane track, two ends of the steel purlin beam foundation are respectively erected and fixed on the steel support fixing ends, and the center lines of the steel purlin beam foundation and the non-expanded end track beam foundation are in the same plane; the steel purlin beam foundation is connected with the inner wall of the side wall in the horizontal direction by adopting a transverse connecting piece to form transverse restraint.
As an implementation mode of the gantry crane track foundation, adjacent combined steel structural members are connected through welding.
As an implementation mode of the gantry crane track foundation, the lower part of the steel support fixing end is provided with a lower supporting surface, and the lower supporting surface is connected with the inclined support through an embedded bolt and a nut.
As an implementation mode of the gantry crane track foundation, an upper supporting surface is arranged at the upper part of the steel support fixing end and is connected with a steel plate in a welding mode.
As an implementation mode of the gantry crane track foundation, a lower top plate of the steel purlin beam foundation is in welded connection with a steel plate of an upper supporting surface of a fixed end of the steel support.
As an implementation mode of the gantry crane track foundation, an upper top plate of the steel purlin beam foundation and the gantry crane track are fixedly connected through 7-shaped plates.
As an implementation mode of the gantry crane track foundation, one end of the transverse connecting piece is connected with the steel purlin beam foundation through welding, and the other end of the I-shaped steel is connected with the embedded steel plate arranged on the side wall through welding.
A construction method of a subway station expanded end assembly type gantry crane track foundation comprises the following steps:
mounting a steel support fixing end on an inclined support at the inner side of the foundation expansion end;
erecting and fixing two ends of a steel purlin beam foundation to the steel support fixing ends, wherein the center lines of the steel purlin beam foundation and the non-expanded end track beam foundation are in the same plane;
the adjacent steel purlin beam foundations are fixedly connected;
in the horizontal direction, a transverse connecting piece is connected between the steel purlin beam foundation and the inner wall of the side wall;
and installing a gantry crane track on the basis of the steel purlin beam.
The construction method of the invention further comprises the following steps: and embedding a bolt at the position where the steel support fixed end is installed on the inclined support in advance, and connecting and fixing the lower support surface of the steel support fixed end on the inclined support through the bolt and the nut.
The construction method of the invention further comprises the following steps: and embedding a steel plate in the position which is connected with the transverse connecting piece on the inner wall of the side wall in advance, and welding and connecting the transverse connecting piece on the side wall through the steel plate.
The invention fully utilizes the existing structure of the subway station, does not cause any influence on the foundation construction, can solve the problems of long construction time, complicated steps and large occupied space of the foundation of the gantry crane at the expanded end of the station, can reduce the influence on the construction of subsequent auxiliary structures, accelerates the construction speed, reduces the manufacturing cost, is convenient for transportation and installation, can quickly carry out field installation, and can realize quick installation and use of a gantry; and all adopt high-strength steel, the structural deformation is little, rigidity and stability are good, long service life. The invention can be circularly used, saves a large amount of materials, and is economical and practical.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic elevation structure view of a combined steel structural member according to an embodiment of the present invention.
Fig. 2 is a schematic plan view of the modular steel structural member according to the embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of a combined steel structural member according to an embodiment of the present invention.
The notations in the figures have the following meanings:
1-combined steel structural member, 2-steel support fixed end, 3-upper supporting surface, 4-lower supporting surface,
The steel plate is 5-steel plate, 6-embedded bolt, 7-nut, 8-inclined strut, 9-steel purlin beam foundation, 9 a-steel purlin beam foundation upper top plate, 9 b-steel purlin beam foundation lower top plate, 10-sleeper, 11-7 word plate, 12-I-steel, 13-side wall and 14-embedded steel plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The existing construction of the expanded end track beam foundation usually utilizes the outer side of a foundation pit to construct a gantry crane foundation, but the subway station is usually locally expanded at an end well to meet the starting and receiving requirements of a shield machine during design, so that the distance between the foundation pits is increased. The width of the expanded end is used as the track interval of the gantry crane, so that the span of the gantry crane is increased, the economical efficiency is reduced, and the occupied area is larger.
At present, some stations are provided with expanded end track beams, namely, retaining walls are used as bases of gantry cranes, the track beams are arranged at the expanded ends, but reinforced concrete beams are often adopted, and the defects that the structure is complex, the self weight is large, the construction investment is large, the period is long, the post-treatment is complex, the cyclic utilization cannot be realized and the like are obvious.
In order to overcome the defects of the prior art, the rail foundation and the construction method of the assembled gantry crane rail foundation with the expanded ends of the subway station are provided, the existing inclined supports on the inner sides of the expanded ends of the foundation are mainly utilized to arrange the rail foundation, no adverse effect is caused to the foundation construction, the problems of long construction time, complex steps and large occupied space of the expanded end gantry crane foundation can be solved, and the influence on the subsequent auxiliary structure construction can be reduced. The method has obvious effects on the aspects of construction process, construction period, construction mechanization, land conservation, energy conservation, environmental protection, cost benefit and the like.
The technical solution of the present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 3, the expanded end fabricated gantry crane track foundation of the subway station and the construction method thereof improve the traditional construction method of the gantry crane track foundation in the shield starting well area, and belong to a fabricated and recyclable steel structure gantry crane track foundation and the construction method thereof. The track foundation comprises a plurality of combined steel structural members 1 which are sequentially arranged, and the adjacent combined steel structural members 1 are connected through welding, so that the strength, the rigidity and the stability among the steel structural members are enhanced. A plurality of combined steel structural members 1 are connected together to form a long-span gantry crane track foundation.
Referring to fig. 1-3, a combined steel structure member 1 comprises a steel support fixing end 2 arranged on an inner side inclined support 8 of a foundation expansion end, and the inclined support 8 is an existing support structure of a shield starting well and an inner side corner of a side wall of the foundation expansion end. The upper portion of steel shotcrete stiff end 2 is provided with holding surface 3, and the lower part is provided with under bracing face 4, goes up holding surface 3 and 5 welded connection of steel sheet, and under bracing face 4 is connected with bearing diagonal 8 through buried bolt 6 and nut 7 in advance to the stability on track basis has been strengthened.
Referring to fig. 1-3, the combined steel structural member 1 further comprises a steel surrounding purlin beam foundation 9 arranged below the gantry crane track, two ends of the steel surrounding purlin beam foundation 9 are respectively erected and fixed on the steel support fixing ends 2, and the steel surrounding purlin beam foundation 9 and a central line of the non-expanded end track beam foundation are located in the same plane. The steel encloses lower roof 9b of purlin roof beam basis 9 and the steel sheet 5 welded connection on the last supporting surface 3 of steel shotcrete stiff end 2, the steel encloses upper roof 9a of purlin roof beam basis 9 and adopts 7 word boards 11 to be connected fixedly with orbital sleeper 10 of portal crane, the steel encloses purlin roof beam basis 9 horizontal direction and adopts transverse connection spare and side wall 13 to be connected and form horizontal restraint, the preferred I-steel 12 of transverse connection spare, I-steel 12 encloses purlin roof beam basis 9 with the steel through the welding and is connected, I-steel 12 opposite side through with the pre-buried steel sheet 14 welded connection that sets up on the 13 inner walls of side wall.
The invention also provides a construction method using the track foundation, which comprises the following steps:
firstly, embedding bolts 6 to the designed positions of inclined struts 8 in advance, and embedding steel plates 14 to the designed positions of side walls 13 of the expansion ends in advance;
step two, mounting the fixed end 2 of the steel support on an inclined support 8, and connecting the fixed end 2 of the steel support with the inclined support 8 through an embedded bolt 6 and a nut 7;
placing a steel plate 5 on the steel support fixing end 2, and welding;
fourthly, placing the steel purlin beam foundation 9 on the steel plate 5, and connecting the steel purlin beam foundation 9 with the steel plate 5 through welding;
fifthly, the adjacent steel purlin beam foundations 9 are connected through welding;
sixthly, placing I-shaped steel 12 between the steel purlin beam foundation 9 and the side wall 13 in the horizontal direction;
seventhly, connecting the I-shaped steel 12 with the beam foundation 9 of the steel purlin by welding, and connecting the other side of the I-shaped steel by welding with an embedded steel plate 14 arranged on the side wall 13;
placing the sleeper 10 at a designed position on the steel purlin beam foundation 9;
and step nine, respectively installing 7-shaped plates 11 on two sides of the sleeper 10 according to a certain distance to fix the sleeper 11.
Referring to fig. 1 to 3, the gantry crane track foundation has a simple structure, is convenient to mount, dismount and use, and can be dismounted and recycled; and the gantry crane has reasonable strength and strong size adaptability, can be quickly installed on site, and is greatly favorable for the rapid use of the gantry crane in a working range.
Compared with the prior art, the invention has the beneficial effects that:
1. the track beam foundation fully utilizes the existing structure of the subway station, and the expanded end track beam foundation is directly arranged on the upper part of the expanded end inclined support, so that the construction speed is accelerated, and the manufacturing cost is reduced;
2. the combined steel structure member in the track foundation is convenient to transport and install, can be quickly installed on site, and can realize quick installation and use of the gantry; high-strength steel is adopted in the combined steel structural member, so that the combined steel structural member has small structural deformation, good rigidity and stability and long service time;
3. besides the embedded parts, other components can be circularly used, so that a large amount of materials are saved, and the method is economical and practical.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention, and are all included in the scope of the present invention.
The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (10)
1. The utility model provides a subway station enlarges end assembled portal crane track basis which characterized in that: comprises a plurality of combined steel structure members which are sequentially arranged and connected; the combined steel structure component comprises a steel support fixed end arranged on an inclined support at the inner side of the foundation expansion end; the combined steel structure component also comprises a steel purlin beam foundation arranged below the gantry crane track, two ends of the steel purlin beam foundation are respectively erected and fixed on the steel support fixing ends, and the center lines of the steel purlin beam foundation and the non-expanded end track beam foundation are in the same plane; the steel purlin beam foundation is connected with the inner wall of the side wall in the horizontal direction by adopting a transverse connecting piece to form transverse restraint.
2. The subway station enlarged end fabricated gantry crane track foundation of claim 1, wherein: and the adjacent combined steel structural members are connected by welding.
3. The subway station enlarged end fabricated gantry crane track foundation of claim 1, wherein: the lower part of the steel support fixed end is provided with a lower supporting surface, and the lower supporting surface is connected with the inclined support through a pre-buried bolt and a nut.
4. The subway station enlarged end fabricated gantry crane track foundation of claim 3, wherein: the upper portion of steel shotcrete stiff end is provided with the holding surface, go up holding surface and steel sheet welded connection.
5. The subway station enlarged end fabricated gantry crane track foundation of claim 4, wherein: and the lower top plate of the steel purlin beam foundation is welded and connected with the steel plate of the upper supporting surface of the steel support fixing end.
6. The subway station enlarged end fabricated gantry crane track foundation of claim 5, wherein: and an upper top plate of the steel purlin beam foundation is fixedly connected with a gantry crane track by adopting a 7-shaped plate.
7. The subway station enlarged end fabricated gantry crane track foundation of claim 1, wherein: one end of the transverse connecting piece is connected with the steel purlin beam foundation through welding, and the other end of the I-shaped steel is connected with the embedded steel plate arranged on the side wall through welding.
8. A construction method of a subway station expanded end assembly type gantry crane track foundation is characterized by comprising the following steps:
mounting a steel support fixing end on an inclined support at the inner side of the foundation expansion end;
erecting and fixing two ends of a steel purlin beam foundation to the steel support fixing ends, wherein the center lines of the steel purlin beam foundation and the non-expanded end track beam foundation are in the same plane;
the adjacent steel purlin beam foundations are fixedly connected;
in the horizontal direction, a transverse connecting piece is connected between the steel purlin beam foundation and the inner wall of the side wall;
and installing a gantry crane track on the basis of the steel purlin beam.
9. The method for constructing the enlarged-end assembly type gantry crane track foundation for the subway station as claimed in claim 8, further comprising the steps of: and embedding a bolt at the position where the steel support fixed end is installed on the inclined support in advance, and connecting and fixing the lower support surface of the steel support fixed end on the inclined support through the bolt and the nut.
10. The method for constructing the enlarged-end assembly type gantry crane track foundation for the subway station as claimed in claim 8, further comprising the steps of: and embedding a steel plate in the position which is connected with the transverse connecting piece on the inner wall of the side wall in advance, and welding and connecting the transverse connecting piece on the side wall through the steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011329142.4A CN112499467A (en) | 2020-11-24 | 2020-11-24 | Subway station expanded end assembled gantry crane track foundation and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011329142.4A CN112499467A (en) | 2020-11-24 | 2020-11-24 | Subway station expanded end assembled gantry crane track foundation and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112499467A true CN112499467A (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011329142.4A Pending CN112499467A (en) | 2020-11-24 | 2020-11-24 | Subway station expanded end assembled gantry crane track foundation and construction method thereof |
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| CN (1) | CN112499467A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117188224A (en) * | 2023-08-22 | 2023-12-08 | 中铁十一局集团有限公司 | Recyclable track beam and construction method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1016588C1 (en) * | 2000-11-13 | 2002-05-14 | Van Leeuwen Harmelen Bv Geb | Method for stabilizing the foundation blocks of a catenary portal in the substructure of a railway track. |
| DE10238033A1 (en) * | 2002-08-20 | 2004-03-04 | Alpine Project Technology Gmbh | Concrete foundation for road sign support has flat foundation block with concrete shuttering elements of different height, filled with poured concrete with anchors for carrier fittings |
| CN111364511A (en) * | 2020-03-30 | 2020-07-03 | 中铁第四勘察设计院集团有限公司 | Interface structure for subway station and property development and rail transit subway platform |
| CN211141349U (en) * | 2019-06-25 | 2020-07-31 | 中交一公局桥隧工程有限公司 | Track panel well gantry crane foundation fixing structure |
| CN211172073U (en) * | 2019-12-04 | 2020-08-04 | 中铁十二局集团第二工程有限公司 | Semi-covered subway station gantry crane foundation and muck pit retaining wall combined construction structure |
-
2020
- 2020-11-24 CN CN202011329142.4A patent/CN112499467A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1016588C1 (en) * | 2000-11-13 | 2002-05-14 | Van Leeuwen Harmelen Bv Geb | Method for stabilizing the foundation blocks of a catenary portal in the substructure of a railway track. |
| DE10238033A1 (en) * | 2002-08-20 | 2004-03-04 | Alpine Project Technology Gmbh | Concrete foundation for road sign support has flat foundation block with concrete shuttering elements of different height, filled with poured concrete with anchors for carrier fittings |
| CN211141349U (en) * | 2019-06-25 | 2020-07-31 | 中交一公局桥隧工程有限公司 | Track panel well gantry crane foundation fixing structure |
| CN211172073U (en) * | 2019-12-04 | 2020-08-04 | 中铁十二局集团第二工程有限公司 | Semi-covered subway station gantry crane foundation and muck pit retaining wall combined construction structure |
| CN111364511A (en) * | 2020-03-30 | 2020-07-03 | 中铁第四勘察设计院集团有限公司 | Interface structure for subway station and property development and rail transit subway platform |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117188224A (en) * | 2023-08-22 | 2023-12-08 | 中铁十一局集团有限公司 | Recyclable track beam and construction method thereof |
| CN117188224B (en) * | 2023-08-22 | 2024-03-08 | 中铁十一局集团有限公司 | Recyclable track beam and construction method thereof |
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Application publication date: 20210316 |