CN207392210U - A kind of support replacement device for plate large opening in underground structure - Google Patents
A kind of support replacement device for plate large opening in underground structure Download PDFInfo
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- CN207392210U CN207392210U CN201721419399.2U CN201721419399U CN207392210U CN 207392210 U CN207392210 U CN 207392210U CN 201721419399 U CN201721419399 U CN 201721419399U CN 207392210 U CN207392210 U CN 207392210U
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- plate
- support replacement
- shaped steel
- girder
- underground structure
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Abstract
The utility model discloses a kind of support replacement devices for plate large opening in underground structure, fixing piece including multiple shaped steel support replacements and in being embedded at perforate sideline on plate-girder, the fixing piece include steel plate and be connected with the Interal fixation, the anchor bar that is inserted in inside middle plate-girder；Interal fixation connection in one end and one side of the shaped steel support replacement on plate-girder, the other end are connected with the Interal fixation in offside on plate-girder, and the multiple shaped steel support replacement is each perpendicular to the middle plate-girder of both sides.The utility model sets multiple shaped steel support replacements in middle plate open area, shaped steel support replacement perpendicular to both sides middle plate-girder, so as to centering plate tapping carry out it is effective horizontally-supported, it is simple in structure, convenient for construction.
Description
Technical field
The utility model belongs to technical field of building construction, is opened greatly for plate in underground structure more particularly, to one kind
The support replacement device in hole.
Background technology
The undergrounds mechanism such as subway station is frequently encountered the situation of middle plate large opening, as station Atrium Structure, section of track well are opened
Hole etc..Middle plate large opening scope is unfavorable for resisting the Water And Earth Pressures that horizontal direction is subject to, and generally requires to add support replacement therefore with full
Boll of foot girth protection structure force request, traditional support replacement mode are preceding by steel pipe support replacement for the Horizontal concrete support in dismounting above plate
Level is erected above middle plate, the both ends of the steel pipe support replacement both walls fastening support with underground structure respectively, the length of steel pipe support replacement
Degree is big, and support replacement is required to expend substantial amounts of manpower and materials with when removing, and construction speed is slow, and time-consuming and laborious and economy is poor.
Utility model content
For the disadvantages described above or Improvement requirement of the prior art, the utility model provides a kind of for plate in underground structure
The support replacement device of large opening, the device set shaped steel support replacement in middle plate open area, and shaped steel support replacement is perpendicular to the middle plate of both sides
Beam, it is simple in structure so as to which the progress of centering plate tapping is effective horizontally-supported, convenient for construction.
To achieve the above object, according to the one side of the utility model, provide a kind of big for plate in underground structure
The support replacement device of perforate, the fixing piece including multiple shaped steel support replacements and in being embedded at perforate sideline on plate-girder, fixing piece include
Steel plate and be connected with the Interal fixation, the anchor bar that is inserted in inside middle plate-girder；One end and one side of shaped steel support replacement
Interal fixation connection on middle plate-girder, the other end are connected with the Interal fixation in offside on plate-girder, and multiple shaped steel support replacements are vertical
Middle plate-girder in both sides.
Preferably, the above-mentioned support replacement device for plate large opening in underground structure, multiple shaped steel support replacements equidistantly arrange.
Preferably, the above-mentioned support replacement device for plate large opening in underground structure, shaped steel support replacement use I-steel or H-type
Steel.
Preferably, the above-mentioned support replacement device for plate large opening in underground structure, shaped steel support replacement are welded to connect with steel plate.
Preferably, the above-mentioned support replacement device for plate large opening in underground structure, anchor bar is with steel plate with weldering of perforating
The mode connect is fixedly connected.
Preferably, the above-mentioned support replacement device for plate large opening in underground structure, the spacing of adjacent shaped steel support replacement is 3-4m.
Preferably, the above-mentioned support replacement device for plate large opening in underground structure, the thickness of steel plate is 20mm.
Preferably, the above-mentioned support replacement device for plate large opening in underground structure, the length of anchor bar is 500mm,
A diameter of 16mm.
In general, by the contemplated above technical scheme of the utility model compared with prior art, can obtain down
Row advantageous effect：
A kind of support replacement device for plate large opening in underground structure provided by the utility model, it is simple in structure, convenient for applying
Work, the effective level support of plate tapping in can realizing, compared to steel pipe support replacement, has preferably operability and security, tears open
Shaped steel after removing can recycle, and save construction cost.
Description of the drawings
Fig. 1 is the diagrammatic cross-section of traditional support replacement device；
Fig. 2 is the diagrammatic cross-section for the support replacement device that the utility model embodiment provides；
Fig. 3 is the floor map for the shaped steel support replacement arrangement that embodiment one provides；
Fig. 4 is the floor map for the shaped steel support replacement arrangement that embodiment two provides；
Fig. 5 is the floor map for the shaped steel support replacement arrangement that embodiment three provides；
Fig. 6 is the detail of construction of Fig. 3 interior joints A；
In all of the figs, same reference numeral represents identical technical characteristic, is specially：Plate in 1-；2- steel pipes change
Support；3- side walls；4- shaped steel support replacements；5- fixing pieces；51- steel plates；52- anchor bars；Plate-girder in 6-；7- bottom plates；8- top plates；9- encloses
Protection structure.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in each embodiment of the utility model disclosed below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.
Fig. 1 is the diagrammatic cross-section of traditional support replacement device；The work progress of the undergrounds such as subway station, Large Foundation Pit mechanism
In, the situation of middle 1 large opening of plate is frequently encountered, middle 1 large opening scope of plate is unfavorable for resisting the water and soil pressure that horizontal direction is subject to
Power generally requires to add therefore support replacement device to meet building enclosure force request, the Horizontal concrete in dismounting above plate 1
2 level of steel pipe support replacement is erected above middle plate before support, the both ends of steel pipe support replacement 2 are tight with the both walls of underground structure 3 respectively
Clamped support, and economy time-consuming and laborious using steel pipe support replacement 2 are poor.
To solve the above problems, the utility model provides a kind of support replacement device for plate large opening in underground structure,
Including shaped steel support replacement 4 and for shaped steel support replacement 4 to be fixed on to the fixing piece 5 on middle plate perforate sideline, a shaped steel support replacement 4
Two fixing pieces 5 are needed to configure, plate perforate long side during two fixing pieces 5 are embedded in plate in pouring 1 and middle plate-girder 6
On middle plate-girder 6, fixing piece 5 includes steel plate 51 and the anchor bar 52 for being welded on steel plate one side, and anchor bar 52 is embedded in middle plate
In beam 6, steel plate 51 is close to middle 6 outside of plate-girder；During support replacement, the both ends of shaped steel support replacement 4 are respectively welded to the steel of two fixing pieces 5
On plate 51；
Fig. 2 is the diagrammatic cross-section for the support replacement device that the utility model embodiment provides；The preferred underground structure of the present embodiment
Longitudinal cross-section for rectangle, underground structure is made of middle plate 1, side wall 3, bottom plate 7, top plate 8 and building enclosure 9, is opened in middle plate
Hole site is provided with middle plate-girder 6, and respectively with 6 fastening support of plate-girder in both sides, the node A in Fig. 2 is for the both ends of shaped steel support replacement 4
The contact site of shaped steel support replacement 4 and middle plate-girder 6.
The utility model embodiment provides the horizontal layout mode of three kinds of shaped steel support replacements, specific as follows：
Embodiment one
Fig. 3 is the floor map of the first shaped steel support replacement arrangement, the transverse direction of preferably middle 1 perforate of plate of the utility model
Section is rectangle, and middle plate-girder 6 is arranged on the long side position of perforate；
As shown in figure 3, multiple shaped steel support replacements 4 be erected in a manner of plate-girder 6 in vertical tapping both sides middle plate-girder 6 it
Between, using such arrangement, shaped steel support replacement provides the horizontal supporting force on vertical open pores director side for middle plate 1, so as to centering
Plate tapping provides effective horizontally-supported.The shaped steel support replacement 4 preferably uses I-steel or H profile steel；The quantity of shaped steel support replacement 4 and
Spacing between two shaped steel support replacements 4 is not specifically limited, the size of 1 perforate of plate and the water and soil of horizontal direction preferably in
Pressure sets the spacing between the quantity of shaped steel support replacement 4 and two shaped steel support replacements 4, the present embodiment preferably two shaped steel support replacements 4
Spacing distance be 3-4m.
Embodiment two
It is the floor map of second of shaped steel support replacement arrangement shown in Fig. 4, as shown in the figure, shaped steel support replacement 4 and middle plate
Beam 6 may be employed non-perpendicular fashion and be attached, and shaped steel support replacement 4 and the angle of middle plate-girder 6 are not specifically limited, and the present embodiment is excellent
Angle between type selecting steel support replacement 4 and middle plate-girder 6 is 70 °；Using such arrangement, shaped steel support replacement is provided and opened for middle plate 1
Director Kong side is in the horizontal supporting force on 70 ° of directions, so as to which the offer of centering plate tapping is effective horizontally-supported.The shaped steel support replacement
4 preferably use I-steel or H profile steel；Spacing between the quantity of shaped steel support replacement 4 and two shaped steel support replacements 4 is not specifically limited,
The size of its 1 perforate of plate preferably in and the Water And Earth Pressures of horizontal direction set the quantity of shaped steel support replacement 4 and two shaped steel
Spacing between support replacement 4, the spacing distance of preferably two shaped steel support replacements 4 of the present embodiment is 3-4m.
Embodiment three
It is the floor map of the third shaped steel support replacement arrangement shown in Fig. 5, as shown in the figure, adjacent using each two
Shaped steel support replacement 4 forms the arrangement of V-shape, the shaped steel support replacement 4 preferably using I-steel or H profile steel, two shaped steel support replacements 4
V-shape corner dimension is not specifically limited, and the present embodiment is preferably 60 degree；Two adjacent V-shape shaped steel support replacements 4 can be close
Arranged adjacent can also be intervally arranged, and the present embodiment is preferably in close proximity the arrangement of arrangement；During using being intervally arranged,
Spacing distance is not specifically limited, and preferably the size of 1 perforate of plate and the Water And Earth Pressures of horizontal direction are configured in, this
Embodiment is preferably 2-3m；Using the arrangement of adjacent shaped steel support replacement 4 composition V-shape, each V-shape apex on middle plate-girder
The Water And Earth Pressures of horizontal direction be dispersed to respectively by two shaped steel support replacements on the middle plate-girder of offside, the present embodiment is using can
The shaped steel support replacement arrangement of scattered Water And Earth Pressures, can avoid stress point from excessively concentrating, so as to which centering plate tapping is more had
What is imitated is horizontally-supported.
Fig. 6 is the detail of construction of Fig. 3 interior joints A；As shown in fig. 6, for shaped steel support replacement 4 to be fixed on consolidating on middle plate-girder
Determining part 5 includes anchor bar 52 and steel plate 51, and anchor bar 52 is preferably fixed in a manner of piercing welding on steel plate 51, steel plate
51 shape, size and thickness is not specifically limited, and the present embodiment is preferably square, and size is 500mm × 500mm,
Its thickness is preferably 20mm；The quantity of anchor bar 4 is not specifically limited, and is preferably four Angle Positions difference in steel plate 51
An anchor bar 52 is welded, the length and diameter of anchor bar 52 is not specifically limited, and length is preferably 500mm, diameter
Preferably 16mm.During in plate in pouring 1 and middle plate-girder 6, two fixing pieces 5 are symmetrically embedded in 1 tapping both sides of plate
On plate-girder 6, anchor bar 52 be inserted into inside plate-girder 6, steel plate 51 is close to be placed on middle 6 outside of plate-girder, and during support replacement, shaped steel is changed
The both ends of support 4 are respectively welded at 51 surface of steel plate of two symmetrically placed fixing pieces 5, multiple shaped steel support replacements 4 being arranged in parallel
Centering plate tapping carries out effective horizontally-supported；After underground structure structure construction is completed and reaches design strength, by perforate
In the range of shaped steel support replacement 4 be cut and disassembled, the shaped steel after dismounting can also recycle, save construction cost.
Compared to existing steel pipe support replacement, support replacement apparatus structure provided by the utility model is simple, convenient for construction, Neng Goushi
The effective level support of plate tapping in existing, compared to steel pipe support replacement, has preferably operability and security, the shaped steel after dismounting
It can recycle, save construction cost.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
Limiting the utility model, any modification for being made within the spirit and principle of the utility model, equivalent substitution and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of support replacement device for plate large opening in underground structure, which is characterized in that including multiple shaped steel support replacements and pre-buried
Fixing piece at the perforate sideline on plate-girder, the fixing piece include steel plate and be connected with the Interal fixation, be inserted into
Anchor bar inside middle plate-girder；Interal fixation connection in one end and one side of the shaped steel support replacement on plate-girder, the other end
It is connected with the Interal fixation in offside on plate-girder, the multiple shaped steel support replacement is each perpendicular to the middle plate-girder of both sides.
2. as described in claim 1 for the support replacement device of plate large opening in underground structure, which is characterized in that the multiple type
Steel support replacement is equidistantly arrangement.
3. as claimed in claim 1 or 2 for the support replacement device of plate large opening in underground structure, which is characterized in that the type
Steel support replacement uses I-steel or H profile steel.
4. as claimed in claim 3 for the support replacement device of plate large opening in underground structure, which is characterized in that the shaped steel changes
Support is welded to connect with steel plate.
5. as described in claim 1 for the support replacement device of plate large opening in underground structure, which is characterized in that the anchoring steel
Muscle is fixedly connected with steel plate in a manner of piercing welding.
6. as claimed in claim 2 for the support replacement device of plate large opening in underground structure, which is characterized in that the spacing is
3-4m。
7. as claimed in claim 6 for the support replacement device of plate large opening in underground structure, which is characterized in that the steel plate
Thickness is 20mm.
8. as claimed in claim 7 for the support replacement device of plate large opening in underground structure, which is characterized in that the anchoring steel
The length of muscle is 500mm, a diameter of 16mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721419399.2U CN207392210U (en) | 2017-10-31 | 2017-10-31 | A kind of support replacement device for plate large opening in underground structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721419399.2U CN207392210U (en) | 2017-10-31 | 2017-10-31 | A kind of support replacement device for plate large opening in underground structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207392210U true CN207392210U (en) | 2018-05-22 |
Family
ID=62327398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721419399.2U Active CN207392210U (en) | 2017-10-31 | 2017-10-31 | A kind of support replacement device for plate large opening in underground structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207392210U (en) |
-
2017
- 2017-10-31 CN CN201721419399.2U patent/CN207392210U/en active Active
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