CN106677063B - A kind of joist bridge plate composite structure of steel trestle - Google Patents
A kind of joist bridge plate composite structure of steel trestle Download PDFInfo
- Publication number
- CN106677063B CN106677063B CN201710083544.2A CN201710083544A CN106677063B CN 106677063 B CN106677063 B CN 106677063B CN 201710083544 A CN201710083544 A CN 201710083544A CN 106677063 B CN106677063 B CN 106677063B
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- bolt
- joist
- upper flange
- plate
- shaped screw
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 25
- 239000010959 steel Substances 0.000 title claims abstract description 25
- 239000002131 composite material Substances 0.000 title claims abstract description 12
- 238000010276 construction Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 abstract description 7
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 210000001364 upper extremity Anatomy 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides a kind of joist bridge plate composite structures of steel trestle, including bridge plate, joist and special shaped screw bolt；Joist is I-steel；Bridge plate is plate-like steel construction, and the bottom plate of bridge plate is provided with bolt hole corresponding with special shaped screw bolt at the both ends at the overlapping place of the upper flange of itself and joist；Special shaped screw bolt is made of bolt head and shank of bolt, and the tail portion of shank of bolt is provided with inner hole, and bolt head is provided with clamping face；Upper flange is clipped between bottom plate and the clamping face of two bolt heads along the longitudinal direction of steel trestle, realizes being fastenedly connected for upper flange and bottom plate by special shaped screw bolt and nut, the long side of two bolt heads and the longitudinal direction of steel trestle are parallel.The present invention is due to being provided with inner hole in the tail portion of shank of bolt, and the attended operation and dismantling operation when in-site installation carry out all on bridge floor, and constructing operation is easier, and safety is good.Component will not damage when in addition removing, and reusability is preferable, reduces costs.
Description
Technical field
The present invention relates to Construction of Civil Engineering steel trestle, the joist bridge plate composite structure of especially a kind of steel trestle.
Background technique
The steel trestle used when Construction of Civil Engineering is temporary building, needs to be removed after completing principal Item.It is usually whole
Seat steel trestle structure is pile foundation, crossbeam, stringer, joist and bridge plate respectively from top to bottom.Joist is that length direction is laterally arranged
I-steel, about 1.5 meters of every interval distance is along bridge longitudinal arrangement.Bridge plate is by rectangular panel, vertical muscle, transverse bar and bottom
The plate-like steel construction that plate is constituted.The orthogonal solid matter of muti-piece bridge plate has been changed to steel trestle on more joists.Existing joist bridge plate
Composite structure is usually to use site welding method to be formed by connecting joist and bridge plate, and it is big that when construction there is welding workload,
Seriously polluted problem.It can only be removed using gas cutting mode when in addition removing, great in constructing amount, the component removed is mostly at useless
Material, i.e. the reuse rate of joist and bridge plate is very poor, causes great waste, increases construction cost.
Summary of the invention
The present invention be overcome disadvantages mentioned above and a kind of joist bridge plate composite structure be provided, the structure using standard fasteners into
The connection of row device to hole, is attached and removed from construction is simple, and will not damage bridge plate and joist, reusability is preferable.
For achieving the above object, present invention employs following technical solutions:
A kind of joist bridge plate composite structure of steel trestle, including bridge plate (1), joist (2), this composite structure further includes being used for
Connect the special shaped screw bolt (3) of bridge plate (1) and joist (2)；The joist (2) is made of upper flange (7), web and lower wing plate
I-steel；The bridge plate (1) is the plate-like steel knot being made of rectangular panel, longitudinal gusset, lateral gusset and bottom plate (4)
Structure, bottom plate (4) are provided with bolt hole corresponding with special shaped screw bolt (3) at the both ends at the overlapping place of the upper flange (7) of itself and joist (2)
(8)；The special shaped screw bolt (3) is made of bolt head (5) and shank of bolt (10), the tail portion of the shank of bolt (10) be provided with
The side of the corresponding inner hole of fastening tool shape (6), the close shank of bolt (10) of the bolt head (5) is set as clamping face；
The upper flange (7) is clipped between bottom plate (4) and the clamping face of two bolt heads (5), passes through special shaped screw bolt (3)
It realizes with nut and is fastenedly connected with bottom plate (4)；Pad is equipped between the clamping face and the bottom plate (4) of the bolt head (5)
Block (9), the thickness of the cushion block (9) and the consistency of thickness of upper flange (7), and the cushion block (9) is arranged far from upper flange (7)
Outer end at.
Preferably, the clamping face of the bolt head (5) is rectangular, between the length of long sides and length of short sides of clamping face
Ratio be greater than 2.
Preferably, the cross section of the inner hole (6) corresponding with fastening tool shape is polygon.
Preferably, the cross-sectional shape of the inner hole (6) is hexagon.
Beneficial effects of the present invention are as follows:
1, the special shaped screw bolt in the present invention is provided with rectangular-shaped clamping face, makes the installation site of two special shaped screw bolts can be with
Just upper flange is arranged between two special shaped screw bolts in insertion shape.On the one hand this mounting means is conducive to fast and accurately
Upper flange is installed in setting position, to effectively improve installation effectiveness, special shaped screw bolt and upper limb on the other hand also may be implemented
Combining closely between plate is conducive to improve clamping and fastening effect；When specific installation, first by the longitudinal direction of rectangle clamping face
Perpendicular to the plate length direction of the upper flange of joist, the long side of the close upper flange of rectangle clamping face presss from both sides upper flange and bottom plate at this time
It holds together, upper flange and backing plate are then clamped together by the long side of the separate upper flange of rectangle clamping face, keep rectangle clamping
Then the clamp position in face rotates two special shaped screw bolts, tighten nut, can tightly be clamped to upper flange and bottom plate
Together.
2, the consistency of thickness of the thickness of backing plate and upper flange, being provided with for the backing plate are conducive to keep clamping face and upper flange
Bottom surface flush, so as to realize that is fastened the most grips effect.
It 3, can due to being provided with the inner hole that cross section corresponding with fastening tool shape is polygon in the tail portion of shank of bolt
To adapt to the insertion of various fastening tools, so that being unclamped, turned to and being fastened to special shaped screw bolt can all grasp in the upper surface of bridge plate
The operation that is attached and removed from when work, i.e. in-site installation carries out all on bridge floor, and constructing operation is easier, and safety is good.
4, component will not damage when removing, and reusability is preferable.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the left view in Fig. 1 at A-A.
1, bridge plate；2, joist；3, special shaped screw bolt；4, bottom plate；5, bolt head；6, inner hole；7, upper flange；8, bolt hole；
9, cushion block；10, shank of bolt
Specific embodiment
With reference to the accompanying drawing 1 and attached drawing 2 description of specific embodiments of the present invention.
Fig. 1 is the structural schematic diagram of technical solution of the present invention.Fig. 2 is the left view in Fig. 1 at A-A, is demonstrated by spiral shell
The state of bolt head 5 is preassembled condition.As seen from Figure 1, the joist bridge plate composite structure of a kind of steel trestle of the present invention,
Including bridge plate 1, joist 2 and special shaped screw bolt 3, the orthogonal solid matter of muti-piece bridge plate 1 connects on more joists 2 and through special shaped screw bolt 3
It connects.
Joist 2 is the I-steel being made of upper flange 7, web and lower wing plate；
The bridge plate 1 is the plate-like steel construction being made of rectangular panel, longitudinal gusset, lateral gusset and bottom plate 4,
On bottom plate 4, it is provided with bolt hole 8 corresponding with special shaped screw bolt 3 at the both ends at the overlapping place of the upper flange 7 of itself and joist 2, at this
In embodiment, the center of two screw holes away from the sum of width of width and bolt head (5) for being greater than upper flange (7) and is less than upper limb
The length of the width and bolt head (5) of plate (7) each and.
The special shaped screw bolt 3 is made of bolt head 5 and shank of bolt 10, and the tail portion of the shank of bolt 10 is provided with and fastening
The corresponding inner hole 6 of tool shape, the side of the close shank of bolt 10 of the bolt head 5 are set as clamping face.In the present embodiment
In, the clamping face of bolt head 5 is rectangular, and after installation is complete, long side is parallel with the plate length direction of upper flange 7, folder
The ratio held between the length of long sides in face and length of short sides is greater than 2.Specifically, the length of long sides of bolt head 5 is 80 millimeters, it is short
Side side length is 30 millimeters, with a thickness of 30 millimeters.In addition, in the present embodiment, the cross-sectional shape of inner hole 6 is polygon, can be with
It is adapted to the insertion of multiple types of tools.
Upper flange 7 is clipped between bottom plate (4) and the clamping face of two bolt heads, is realized by special shaped screw bolt 3 and nut
With being fastenedly connected for bottom plate 4.Cushion block 9, the thickness of the cushion block 9 are equipped between the clamping face and the bottom plate 4 of the bolt head 5
The consistency of thickness of degree and upper flange 8, and the cushion block 9 is arranged far from the outer end of upper flange 7.I.e. upper flange is clipped in two spiral shells
Between bolt head 5, upper flange 7 is pushed down in one end of each bolt head 5, and the other end clips cushion block 9 and is pressed on bottom plate 4.
When installation, as shown in Fig. 2, making upper flange 7 that can put two into the first laterally fastening of bolt head 5 before bridge plate 1 is placed
Between the rectangular head of a special shaped screw bolt 3, again that bolt head 5 is longitudinally secured, i.e. one end of bolt head 5 after upper flange 7 is placed
Upper flange 7 is pushed down, the other end clips cushion block 9 and is pressed on bottom plate 4, thus realize being fastenedly connected for upper flange 7 and bottom plate 4, namely
Realize being fastenedly connected for bridge plate 1 and joist 2.Lossless dismounting can be carried out according to reverse procedure when dismounting.
In the present embodiment, 1 a length of 6 meter of bridge plate, width be 2 meters, thickness 150mm, screwhole diameter 22mm, two screw hole centers away from
It is 150；Joist I-steel model 25a, 7 width of wing plate are 116mm with a thickness of 13mm, screwhole diameter 22mm；Special shaped screw bolt
Screw portion is M20, and the long side length of clamping face is 80mm, and short side width is 30mm, the thickness of the bolt head 5 where clamping face
Degree is 30mm, and the height of cushion block 9 is 13mm.
Claims (2)
1. a kind of joist bridge plate composite structure of steel trestle, including bridge plate (1), joist (2), which is characterized in that this composite structure
It further include the special shaped screw bolt (3) for connecting bridge plate (1) and joist (2)；The joist (2) be by upper flange (7), web and under
The I-steel that wing plate is constituted；The bridge plate (1) is made of rectangular panel, longitudinal gusset, lateral gusset and bottom plate (4)
Plate-like steel construction, it is right with special shaped screw bolt (3) that bottom plate (4) is provided at the both ends that the upper flange (7) of itself and joist (2) overlaps place
The bolt hole (8) answered；The special shaped screw bolt (3) is made of bolt head (5) and shank of bolt (10), the tail of the shank of bolt (10)
Portion is provided with inner hole (6) corresponding with fastening tool shape, and the cross section of inner hole (6) is polygon, the bolt head (5)
Side close to shank of bolt (10) is set as clamping face；
The upper flange (7) is clipped between bottom plate (4) and the clamping face of two bolt heads (5), passes through special shaped screw bolt (3) and spiral shell
Mother's realization is fastenedly connected with bottom plate (4)；Cushion block is equipped between the clamping face and the bottom plate (4) of the bolt head (5)
(9), the consistency of thickness of the thickness of the cushion block (9) and upper flange (7), and the cushion block (9) is arranged far from upper flange (7)
At outer end；
The clamping face of the bolt head (5) is rectangular, and the ratio between the length of long sides and length of short sides of clamping face is greater than
2。
2. the joist bridge plate composite structure of a kind of steel trestle according to claim 1, which is characterized in that the inner hole (6)
Cross-sectional shape is regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710083544.2A CN106677063B (en) | 2017-02-16 | 2017-02-16 | A kind of joist bridge plate composite structure of steel trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710083544.2A CN106677063B (en) | 2017-02-16 | 2017-02-16 | A kind of joist bridge plate composite structure of steel trestle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106677063A CN106677063A (en) | 2017-05-17 |
| CN106677063B true CN106677063B (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710083544.2A Active CN106677063B (en) | 2017-02-16 | 2017-02-16 | A kind of joist bridge plate composite structure of steel trestle |
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| CN (1) | CN106677063B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524082A (en) * | 2017-09-14 | 2017-12-29 | 安徽昌宁新材料有限公司 | A kind of attachment structure applied to bridge temporary project |
| CN112813827B (en) * | 2021-02-02 | 2022-04-22 | 湖南工学院 | Open-hole steel pipe and steel concrete combined beam bridge structure and construction method thereof |
| CN116752420A (en) * | 2023-06-02 | 2023-09-15 | 国网吉林省电力有限公司吉林供电公司 | A prefabricated bridge for transmission tower construction in paddy field environment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100748629B1 (en) * | 2006-11-22 | 2007-08-10 | 성균관대학교산학협력단 | Connecting device of precast deck and steel beam of bridge and connecting method of precast deck and steel beam using the connecting device |
| CN102086629B (en) * | 2010-12-10 | 2012-05-16 | 清华大学 | Longitudinally slidable steel-concrete anti-lifting connecting member and construction method thereof |
| CN102678720A (en) * | 2012-04-28 | 2012-09-19 | 苏州市邓尉喷胶棉厂 | Bolt |
| CN204039922U (en) * | 2014-07-10 | 2014-12-24 | 中交二航局第四工程有限公司 | A kind of temporary steel trestle |
| CN204151666U (en) * | 2014-08-14 | 2015-02-11 | 中国建筑第六工程局有限公司 | A kind of steel trestle meeting meeting requirement |
| CN205171344U (en) * | 2015-12-05 | 2016-04-20 | 中交通力建设股份有限公司 | Flexible precast concrete decking structure for draw bridge |
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| CN106677063A (en) | 2017-05-17 |
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