CN211815488U - Arch foot connecting piece of corrugated steel arch structure - Google Patents
Arch foot connecting piece of corrugated steel arch structure Download PDFInfo
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- CN211815488U CN211815488U CN201921858779.5U CN201921858779U CN211815488U CN 211815488 U CN211815488 U CN 211815488U CN 201921858779 U CN201921858779 U CN 201921858779U CN 211815488 U CN211815488 U CN 211815488U
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Abstract
The utility model provides a corrugated steel arch structure's hunch foot connecting piece, belongs to corrugated steel installation device technical field for corrugated steel arch structure and hunch foot fixed connection. The technical scheme is as follows: built-in channel-section steel is pour in hunch foot founds the wall, the backing plate is placed in the horizontal plane below of L shaped steel, the relative rag bolt hole of backing plate and L shaped steel is passed on L shaped rag bolt's upper portion, both ends are fastened by nut and backing plate and L shaped steel, a plurality ofly by the backing plate, L shaped steel and L shaped rag bolt order interval place on pre-buried channel-section steel, L shaped rag bolt is located pre-buried channel-section steel recess, it is relative with the screw of corrugated steel plate lower extreme to have the connection screw on a plurality of L shaped steel's the perpendicular respectively, and connect by. The utility model discloses simple structure, construction convenience, connect easily, the location is accurate, construction speed is fast, has reduced the construction degree of difficulty greatly, has thoroughly solved the inaccurate difficult problem of corrugated steel plate lower extreme and hunch foot connecting piece butt joint hole site, is showing and has shortened the engineering time, is worth using widely in industry.
Description
Technical Field
The utility model relates to an hunch foot connecting piece for corrugated steel arch structure belongs to corrugated steel installation device technical field.
Background
Corrugated steel plates are a new type of building material, and are increasingly widely used because of their advantages of light weight, high strength, good bending resistance, etc. At present, the open corrugated steel arch structure is widely applied to road traffic engineering, and whether the connection between the arch springing of the arch structure and the foundation is firm and stable is an important link for ensuring the engineering quality. The arch foot connecting structure and the construction mode of the existing corrugated steel arch structure are as follows: l-shaped foundation bolts and channel steel are embedded in the concrete foundation, and the corrugated steel plate is directly connected with the channel steel through bolts. This measure is simple in construction, but has the following problems: firstly, the hole position of the embedded channel steel bolt is not matched with the hole position of the upper structure corrugated steel plate, so that the construction and connection are difficult; secondly, the requirement for positioning the embedded channel steel on site is high, and if the offset of the embedded position is too large, the upper structure can not be normally assembled or the linear offset after molding is serious. With the wide application of the arch structure of the corrugated steel plate, the existing arch springing connection structure of the arch of the corrugated steel plate can not meet the construction requirements, and the improvement is very necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a corrugated steel arch structure's hunch foot connecting piece is provided, this kind of hunch foot connecting piece can with the accurate butt joint of corrugated steel plate, have that the construction speed is fast, the construction is simple, characteristics such as location are accurate.
The technical scheme for solving the technical problems is as follows:
an arch foot connecting piece of a corrugated steel arch structure comprises pre-buried channel steel, L-shaped foundation bolts, a base plate and L-shaped steel, wherein the pre-buried channel steel is poured in an arch foot standing wall along the length direction of an arch foot, the notch of the pre-buried channel steel faces upwards, the upper edge of the notch of the pre-buried channel steel is flush with the upper surface of the arch foot standing wall, the base plate is placed below the horizontal plane of the L-shaped steel, corresponding foundation bolt holes are formed in the horizontal planes of the base plate and the L-shaped steel, the upper portion of each L-shaped foundation bolt penetrates through the corresponding foundation bolt holes of the base plate and the L-shaped steel, the two ends of each L-shaped foundation bolt are fastened with the base plate and the L-shaped steel through nuts, a plurality of fasteners consisting of the base plate, the L-shaped steel and the L-shaped foundation bolts are sequentially placed on the pre-buried channel steel at intervals, the lower surfaces of the faces of, the vertical surfaces of the L-shaped steels are respectively provided with a connecting screw hole, the lower ends of the corrugated steel plates of the corrugated steel arch structures are provided with screw holes, and the connecting screw holes of the vertical surfaces of the L-shaped steels are respectively connected with the screw holes at the lower ends of the corrugated steel plates by a plurality of connecting bolts.
Above-mentioned corrugated steel arch structure's hunch foot connecting piece, the length of backing plate is greater than the width of pre-buried channel-section steel notch, and the backing plate is sliding fit with the notch of pre-buried channel-section steel, and the backing plate is dull and stereotyped or corrugated steel board, and corrugated steel board's ripple direction is perpendicular with the length direction of channel-section steel.
Above-mentioned corrugated steel arch structure's hunch foot connecting piece, the welding of notch department of pre-buried channel-section steel has the brace rod, and a plurality of brace rod intervals are placed in the notch department of pre-buried channel-section steel, and the brace rod level is placed, and the both ends of brace rod and the notch both sides top edge welded connection of pre-buried channel-section steel.
According to the arch springing connecting piece of the corrugated steel arch structure, the lower part of the embedded channel steel is connected with the vertical wall steel bars in the arch springing vertical wall in a welding mode.
According to the arch foot connecting piece of the corrugated steel arch structure, the upper surface of the arch foot vertical wall is further provided with secondary pouring concrete, and the lower end of the corrugated steel plate, the L-shaped steel, the base plate and the L-shaped foundation bolt are poured in the secondary pouring concrete.
The utility model has the advantages that:
the plurality of L-shaped steel of the utility model are connected with the lower ends of the steel corrugated plates of the corrugated steel arch structure through the connecting bolts, the L-shaped steel is placed on the pre-embedded channel steel poured on the upper end of the arch foot vertical wall through the backing plate, and the L-shaped steel can slide along the pre-embedded channel steel in the horizontal direction, so that the problem that the installation hole position of the corrugated steel plate is not matched with the connecting hole position of the arch foot connecting structure in the original structure is solved; after the corrugated steel plate is connected and positioned with the L-shaped steel, secondary concrete pouring is carried out to complete the connection of the arch springing connecting piece and the arch springing vertical wall, and in the process of connecting and forming the corrugated steel plate and the L-shaped steel, the arch springing vertical wall cannot generate fixed restraint, so that the assembly of the corrugated steel plate and the release of internal force are facilitated, and the linear maintenance of the whole arch structure is facilitated; concrete is poured on the arch springing connecting piece for the second time, so that the arch springing connecting piece is fixedly connected with the arch springing vertical wall, steel of the arch springing connecting piece is not easily corroded by the outside, and the reliability of arch springing connection is improved.
The utility model discloses simple structure, construction convenience, connect easily, the location is accurate, construction speed is fast, has reduced the construction degree of difficulty greatly, has thoroughly solved the inaccurate difficult problem of corrugated steel plate lower extreme and hunch foot connecting piece butt joint hole site, is showing and has shortened the engineering time, is worth using widely in industry.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic connection diagram of the embedded channel steel, the L-shaped foundation bolts, the backing plate, the L-shaped steel and the supporting ribs;
fig. 3 is a top view of fig. 2.
The figures are labeled as follows: the steel structure comprises an arch foot vertical wall 1, vertical wall steel bars 2, embedded channel steel 3, support ribs 4, a base plate 5, L-shaped foundation bolts 6, L-shaped steel 7, corrugated steel plates 8, secondary pouring concrete 9, connecting bolts 10 and nuts 11.
Detailed Description
The utility model discloses constitute by pre-buried channel-section steel 3, brace rod 4, backing plate 5, L type rag bolt 6, L shaped steel 7, corrugated steel plate 8, secondary concreting 9.
The embedded channel steel 3 is poured in the arch foot vertical wall 1 along the length direction of the arch foot, the notch of the embedded channel steel 3 faces upwards, the upper edge of the notch of the embedded channel steel 3 is flush with the upper surface of the arch foot vertical wall 1, and the lower part of the embedded channel steel 3 is connected with the vertical wall steel bar 2 in the arch foot vertical wall 1 in a welding mode.
It shows in the picture that L shaped steel 7, backing plate 5 and L type rag bolt 6 are a plurality ofly respectively, and L shaped steel 7, backing plate 5 and L type rag bolt 6 constitute a plurality of fasteners respectively, and a plurality of fasteners are connected corrugated steel plate 8 with pre-buried channel-section steel 3, and it is fixed to accomplish being connected of corrugated steel plate 8 and hunch foot.
As shown in the figure, the backing plate 5 of each fastener is placed below the horizontal plane of the L-shaped steel 7, the backing plate 5 and the horizontal plane of the L-shaped steel 7 are provided with corresponding anchor bolt holes, the upper part of an L-shaped anchor bolt 6 penetrates through the backing plate 5 and the opposite anchor bolt holes of the L-shaped steel 7, and the two ends of the L-shaped anchor bolt are fastened with the backing plate 5 and the L-shaped steel 7 through nuts 11.
The drawing shows that a plurality of fasteners composed of backing plates 5, L-shaped steel 7 and L-shaped foundation bolts 6 are sequentially placed on the embedded channel steel 3 at intervals, the lower surfaces of the backing plates 5 are in contact with the upper ends of the notches of the embedded channel steel 3, the L-shaped foundation bolts 6 connected below the backing plates 5 are located in grooves of the embedded channel steel 3, and the vertical surfaces of the L-shaped steel 7 are opposite to the lower ends of corrugated steel plates 8 at intervals respectively. The vertical surfaces of the L-shaped steels 7 are respectively provided with a connecting screw hole, the lower ends of corrugated steel plates 8 of the corrugated steel arch structures are provided with screw holes, and the connecting screw holes of the vertical surfaces of the L-shaped steels 7 are respectively connected with the screw holes at the lower ends of the corrugated steel plates 8 through a plurality of connecting bolts 10.
The length of the backing plate 5 is greater than the width of the notch of the embedded channel steel 3, the backing plate 5 is in sliding fit with the notch of the embedded channel steel 3, the backing plate 5 is a flat plate or a corrugated steel plate, and the corrugated direction of the corrugated steel plate is perpendicular to the length direction of the channel steel 3. Through removing backing plate 5 on the notch of pre-buried channel-section steel 3, can adjust the position of the connection screw of the 7 perpendicular faces of L shaped steel, make the connection screw accurately relative with the screw of 8 face lower extremes of ripple steel sheet, solved ripple steel sheet lower extreme and the inaccurate problem of hunch foot connecting piece butt joint hole site, reduced the construction degree of difficulty greatly, improved the construction speed.
The support bars 4 are welded at the notches of the embedded channel steel 3, the support bars 4 are placed at the notches of the embedded channel steel 3 at intervals, the support bars 4 are horizontally placed, the two ends of the support bars 4 are connected with the edges of the two sides of the notches of the embedded channel steel 3 in a welded mode, and the support bars 4 can prevent the notches of the embedded channel steel 3 from generating large deformation in the pouring process.
The upper surface of the arch foot standing wall 1 is also shown with secondary casting concrete 9, and the secondary casting concrete 9 casts the lower end of the corrugated steel plate 8, the L-shaped steel 7 and the backing plate 5. During construction, after the lower end of the corrugated steel plate 8 is fixedly connected with the L-shaped steel 7, the relative position of the arch foot connecting piece and the corrugated steel plate 8 is determined, secondary pouring is conducted at the moment, concrete is poured into a groove body of the embedded channel steel 3 and is poured into the groove body integrally with the L-shaped foundation bolt 6, meanwhile, the lower end of the corrugated steel plate 8, the L-shaped steel 7 and the base plate 5 are poured integrally into the secondary pouring concrete 9, and the arch foot connection of the corrugated steel plate arch structure and the arch foot vertical wall 1 is completed.
The utility model discloses a construction flow does:
pre-assembling a base plate 5, an L-shaped foundation bolt 6 and L-shaped steel 7 to form a plurality of fasteners; welding the embedded channel steel 3 and the vertical wall steel bar 2 in a positioning manner, and pouring the embedded channel steel 3 and the vertical wall steel bar into a whole; setting the base plates 5 of a plurality of fasteners above the notches of the embedded channel steel 3 at intervals; assembling corrugated steel plates 8 of corrugated steel arch structures; placing the corrugated steel plate 8 above the fastening piece, moving the backing plate 5 of the fastening piece to enable the connecting screw hole of the L-shaped steel 7 to be accurately opposite to the screw hole at the lower end of the surface of the corrugated steel plate 8, and connecting the corrugated steel plate 8 with the L-shaped steel 7 by using a connecting bolt 10; and performing secondary pouring, namely integrally pouring the lower ends of the embedded channel steel 3, the L-shaped foundation bolts 6, the L-shaped steel 7, the base plate 5 and the corrugated steel plate 8 into a whole to complete the arch foot connection of the corrugated steel plate arch structure and the arch foot vertical wall 1.
The utility model discloses an embodiment as follows:
the length of the embedded channel steel 3 is 12000 mm; the width is 300mm, and the height is 400 mm;
the length of the support rib 4 is 290mm, and the diameter is 20 mm;
the length of the backing plate 5 is 500mm, the width is 300mm, and the thickness is 14 mm;
the diameter of the L-shaped foundation bolt 6 is 20mm, and the length of the L-shaped foundation bolt is 300 mm;
the length of the L-shaped steel 7 is 12000mm, the width is 160mm, the height is 160mm, and the thickness of the plate surface is 12 mm;
the corrugated steel plate 8 has the specification of a waveform of 200-55 and the thickness of 5 mm;
the connecting bolt 10 has a diameter of 20mm and a length of 55 mm.
Claims (5)
1. The utility model provides a corrugated steel arch structure's hunch foot connecting piece which characterized in that: the novel arch foot vertical wall structure comprises pre-buried channel steel (3), L-shaped foundation bolts (6), a base plate (5) and L-shaped steel (7), wherein the pre-buried channel steel (3) is poured in an arch foot vertical wall (1) along the length direction of an arch foot, the notches of the pre-buried channel steel (3) face upwards, the upper edges of the notches of the pre-buried channel steel (3) are flush with the upper surface of the arch foot vertical wall (1), the base plate (5) is placed below the horizontal plane of the L-shaped steel (7), corresponding foundation bolt holes are formed in the horizontal planes of the base plate (5) and the L-shaped steel (7), the upper portions of the L-shaped foundation bolts (6) penetrate through the base plate (5) and the corresponding foundation bolt holes of the L-shaped steel (7), two ends of the L-shaped foundation bolts are fastened with the base plate (5) and the L-shaped steel (7) through nuts (11), a plurality of fasteners consisting of the base plate (5), the face lower surface of a plurality of backing plates (5) contacts with the notch upper end of pre-buried channel-section steel (3), L type rag bolt (6) that backing plate (5) below is connected are located pre-buried channel-section steel (3) recess, the perpendicular of a plurality of L shaped steel (7) is relative with corrugated steel plate (8) lower extreme interval of corrugated steel domes respectively, there is the connection screw on the perpendicular of a plurality of L shaped steel (7) respectively, corrugated steel plate (8) lower extreme of corrugated steel domes have the screw, a plurality of connecting bolt (10) are connected the connection screw of the perpendicular of a plurality of L shaped steel (7) with the screw of the lower extreme of corrugated steel plate (8) respectively.
2. The arch foot connector of a corrugated steel arch structure according to claim 1, wherein: the length of backing plate (5) is greater than the width of pre-buried channel-section steel (3) notch, and backing plate (5) are sliding fit with the notch of pre-buried channel-section steel (3), and backing plate (5) are dull and stereotyped or corrugated steel plate, and corrugated steel plate's ripple direction is perpendicular with the length direction of channel-section steel (3).
3. The arch foot connector of a corrugated steel arch structure according to claim 1, wherein: the embedded steel channel is characterized in that supporting ribs (4) are welded at the notches of the embedded steel channels (3), a plurality of supporting ribs (4) are arranged at the notches of the embedded steel channels (3) at intervals, the supporting ribs (4) are horizontally arranged, and two ends of the supporting ribs (4) are respectively connected with the upper edges of two sides of the notches of the embedded steel channels (3) in a vertical welding mode.
4. The arch foot connector of a corrugated steel arch structure according to claim 1, wherein: the lower part of the embedded channel steel (3) is connected with a vertical wall steel bar (2) in the arch foot vertical wall (1) in a welding mode.
5. The arch foot connector of a corrugated steel arch structure according to claim 1, wherein: the upper surface of the arch foot vertical wall (1) is provided with secondary pouring concrete (9), and the lower end of the corrugated steel plate (8), the L-shaped steel (7), the base plate (5) and the L-shaped foundation bolt (6) are poured into the secondary pouring concrete (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921858779.5U CN211815488U (en) | 2019-10-31 | 2019-10-31 | Arch foot connecting piece of corrugated steel arch structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921858779.5U CN211815488U (en) | 2019-10-31 | 2019-10-31 | Arch foot connecting piece of corrugated steel arch structure |
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| CN211815488U true CN211815488U (en) | 2020-10-30 |
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| CN201921858779.5U Active CN211815488U (en) | 2019-10-31 | 2019-10-31 | Arch foot connecting piece of corrugated steel arch structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942148A (en) * | 2021-02-07 | 2021-06-11 | 湖北楚天联发路桥养护有限公司 | Method for reinforcing bridge by corrugated steel arch structure |
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2019
- 2019-10-31 CN CN201921858779.5U patent/CN211815488U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942148A (en) * | 2021-02-07 | 2021-06-11 | 湖北楚天联发路桥养护有限公司 | Method for reinforcing bridge by corrugated steel arch structure |
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