CN210529732U - Concrete highway bridge foundation - Google Patents
Concrete highway bridge foundation Download PDFInfo
- Publication number
- CN210529732U CN210529732U CN201920929817.5U CN201920929817U CN210529732U CN 210529732 U CN210529732 U CN 210529732U CN 201920929817 U CN201920929817 U CN 201920929817U CN 210529732 U CN210529732 U CN 210529732U
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- reinforcing plate
- precast pile
- precast
- pile
- bridge foundation
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Abstract
The utility model relates to a concrete highway bridge basis, including square cushion cap and the fixed precast pile who sets up at the cushion cap downside, the bottom surface of precast pile perpendicular to cushion cap, the precast pile is provided with four, and respectively is provided with one in the four corners department of cushion cap, fixes being provided with the reinforcing plate on the side of precast pile, in two precast piles at diagonal angle, reinforcing plate and precast pile all are located the coplanar, and the reinforcing plate is located between two precast piles. The precast pile is arranged to be vertical to the bottom surface of the bearing platform, so that when the bearing platform and the precast pile are driven into the ground, the direction of the force applied to the precast pile mainly follows the straight line of the precast pile, and the precast pile is not easy to bend. When the precast pile is driven, the reinforcing plate fixedly arranged on the side surface of the precast pile is driven into the ground, so that the whole bearing platform and the precast pile are not easy to generate the phenomenon of overlarge horizontal displacement.
Description
Technical Field
The utility model relates to a bridge engineering's technical field especially relates to a concrete highway bridge basis.
Background
The bridge foundation is the structure of bridge lowermost part, directly sits on rock or ground, and its top is connected the abutment, and the effect is to guarantee abutment safety and transmit the load to the ground. Thus for the safety performance and normal use of the full bridge, it is required that both the rock and the foundation have sufficient strength, rigidity and overall stability so that they do not produce excessive horizontal deflection or uneven settlement. The construction of the bridge foundation plays an important role in the whole bridge engineering.
Chinese patent with publication number CN204098057U discloses an urban highway bridge foundation, including cushion cap, precast pile and steel sheet, cushion cap welded connection is at the top of four precast piles, and four precast piles incline to the four corners direction of cushion cap respectively, and the cushion cap is reinforced concrete structure, and the steel sheet has been inlayed to upper surface and lower surface, and the cushion cap is big end down's convex, and the precast pile is reinforced concrete structure, and the pile top is inlayed and is had the steel sheet. The foundation structure is light, the foundation is deep, and the construction mechanization degree is high. However, in such a structure, four precast piles need to be driven into the ground during the burying process. Because the precast pile is the slope setting, buckle appears in the very easy time of beating into, lead to the precast pile to destroy, increased manufacturing cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a concrete highway bridge foundation, when squeezing into ground, the phenomenon of the damage of buckling is difficult for appearing in the precast pile.
The above object of the present invention can be achieved by the following technical solutions: the utility model provides a concrete highway bridge foundation, includes square cushion cap and the fixed precast pile who sets up at the cushion cap downside, the bottom surface of precast pile perpendicular to cushion cap, the precast pile is provided with four, and respectively is provided with one in the four corners department of cushion cap, the fixed reinforcing plate that is provided with on the side of precast pile, in two precast piles that lie in the diagonal angle, reinforcing plate and precast pile all lie in the coplanar, and the reinforcing plate lies in between two precast piles.
Through adopting above-mentioned technical scheme, set the precast pile into the structure of perpendicular to cushion cap bottom surface to when driving cushion cap and precast pile into the ground, the direction of precast pile atress is main along the straight line that the precast pile belongs to, therefore the difficult phenomenon of buckling that appears of precast pile. And when the precast pile is driven in, the reinforcing plate fixedly arranged on the side surface of the precast pile is also driven into the ground, so that the phenomenon of overlarge horizontal displacement of the whole bridge foundation is not easy to occur.
The utility model discloses further set up to: the cross section of the reinforcing plate is in a right-angled triangle shape, one right-angled side of the reinforcing plate is fixedly connected with the precast pile, and the other side of the reinforcing plate is fixedly connected with the bottom surface of the bearing platform.
By adopting the technical scheme, the reinforcing plate is driven into the ground while the precast pile is driven into the ground. And the lower end of the reinforcing plate is arranged to be a sharp end, so that the resistance of the reinforcing plate when the reinforcing plate is driven in can be reduced, and the reinforcing plate is convenient to drive in the ground. Make reinforcing plate and precast pile fixed connection, when squeezing into reinforcing plate and precast pile ground, the structure of reinforcing plate and precast pile is more firm, is difficult for appearing the phenomenon of rupture damage.
The utility model discloses further set up to: the bottom surface of the precast pile is fixedly provided with a pile tip, the pile tip is arranged to be conical, and the bottom surface of the pile tip is fixedly connected with the bottom surface of the precast pile.
By adopting the technical scheme, the resistance of the precast pile in the ground is further reduced, and the bearing platform and the precast pile are conveniently driven into the ground.
The utility model discloses further set up to: the hypotenuse of reinforcing plate on the fixed installation limit that is provided with, the transversal triangle-shaped of personally submitting of installation limit, and the laminating of one side of installation limit and the hypotenuse of reinforcing plate, the side width of installation limit and the laminating of reinforcing plate equal with the thickness of reinforcing plate.
Through adopting above-mentioned technical scheme, when squeezing into the reinforcing plate ground, the installation limit can reduce the resistance that receives when the reinforcing plate is squeezed into the ground, is convenient for squeeze into the ground with whole bridge foundation.
The utility model discloses further set up to: the length of one side of the reinforcing plate, which is attached to the precast pile, is equal to the length of the precast pile.
By adopting the technical scheme, the length of the reinforcing plate is longer, and the area of the reinforcing plate is larger under the condition that the width of the reinforcing plate is the same. When the whole bridge foundation is driven into the ground, overlarge horizontal displacement is less likely to occur, and the structure is firmer.
The utility model discloses further set up to: the side of reinforcing plate on the fixed strengthening rib that is provided with, strengthening rib top and cushion cap bottom surface butt, and the bottom of strengthening rib is adjacent with the hypotenuse of reinforcing plate.
Through adopting above-mentioned technical scheme, the strengthening rib makes the structure of reinforcing plate obtain further reinforcement. When the whole bridge foundation has the tendency of horizontal displacement, the reinforcing plate is not easy to deform or crack, so that the whole bridge foundation is not easy to horizontally displace.
The utility model discloses further set up to: the reinforcing ribs are parallel to the precast piles.
Through adopting above-mentioned technical scheme, when squeezing into the floor with the reinforcing plate, the strengthening rib can be comparatively relaxed and the reinforcing plate is squeezed into in the floor together.
The utility model discloses further set up to: one end of the reinforcing rib close to the bevel edge is set to be a sharp end.
By adopting the technical scheme, the resistance borne by the reinforcing ribs when the reinforcing plate is driven into the ground is further reduced, and the reinforcing plate and the reinforcing ribs are conveniently driven into the ground.
To sum up, the utility model discloses a beneficial technological effect does:
1. the whole bearing platform and the precast pile are not easy to generate the phenomenon of overlarge horizontal displacement, and the precast pile is not easy to bend when the bearing platform and the precast pile are driven into the ground;
2. the resistance that it received when the effectual reduction is hit into this bridge foundation ground, be convenient for this bridge foundation to hit into ground.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a bottom view of the present invention.
Reference numerals: 1. a bearing platform; 11. prefabricating a pile; 12. pile tip; 2. a reinforcing plate; 21. installing edges; 3. and (5) reinforcing ribs.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a concrete road bridge foundation comprises a square bearing platform 1, four precast piles 11 are integrally formed on the bottom surface of the bearing platform 1, and the precast piles 11 are respectively located at four corners of the bottom surface of the bearing platform 1 and are perpendicular to the bottom surface of the bearing platform 1. The cross section of precast pile 11 is square, and integrated into one piece has stake point 12 on precast pile 11's bottom, and stake point 12 becomes four pyramid, and the cross section size of the bottom surface of four pyramid and precast pile 11 is equal. When the precast pile 11 is driven into the ground, the sharp pile tip 12 is convenient to be driven into the ground, so that the resistance of the precast pile 11 when the precast pile is driven into the ground is reduced, and the direction of the force applied to the precast pile 11 is mainly along the straight line of the precast pile 11, so that the precast pile 11 is not easy to bend.
As shown in fig. 1 and 2, a reinforced plate 2 is integrally formed on the precast pile 11, the cross section of the reinforced plate 2 is a right triangle, and two right-angle sides of the reinforced plate 2 are respectively connected with the bottom surface of the bearing platform 1 and the precast pile 11. Two precast piles 11 located at opposite angles of the bearing platform 1 and the reinforcing plate 2 connected with the precast piles 11 are located in the same plane, and the reinforcing plate 2 is located between the two precast piles 11. The length of the vertical right-angle side of the reinforcing plate 2 is equal to that of the precast pile 11. The hypotenuse of reinforcing plate 2 is integrated into one piece has installation limit 21, and the cross section of installation limit 21 is regular triangle, and the length of side of installation limit 21 is equal with the thickness of reinforcing plate 2. The reinforcing plate 2 is driven into the ground simultaneously with driving the precast pile 11. When the reinforcing plate 2 is driven into the ground, the reinforcing plate 2 effectively limits the position of the bridge foundation, so that the phenomenon of overlarge horizontal displacement of the whole bridge foundation is not easy to occur.
As shown in fig. 1 and 2, reinforcing ribs 3 are integrally formed on both side surfaces of the reinforcing plate 2, and the reinforcing ribs 3 are parallel to a line on which the precast pile 11 is located. The upper end of the reinforcing rib 3 abuts against the bottom surface of the bearing platform 1, and the lower end of the reinforcing rib 3 is adjacent to the mounting edge 21 of the reinforcing plate 2. The cross section of the reinforcing rib 3 is semicircular, the bottom end of the reinforcing rib 3 is in the shape of a semicircular cone, the size of the bottom surface of the semicircular cone is equal to that of the semicircular cross section, and the tip of the semicircular cone vertically points downwards. The reinforcing ribs 3 further strengthen the structure of the reinforcing plate 2. When the whole bridge foundation has the tendency of horizontal displacement, the reinforcing plate 2 is not easy to deform or crack, and the probability of the horizontal displacement of the bridge foundation is reduced.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a concrete highway bridge foundation, includes square cushion cap (1) and fixed precast pile (11) of setting in cushion cap (1) downside, its characterized in that: precast pile (11) perpendicular to the bottom surface of cushion cap (1), precast pile (11) are provided with four, and respectively are provided with one in the four corners department of cushion cap (1), fixedly on the side of precast pile (11) be provided with reinforcing plate (2), in two precast piles (11) that lie in the diagonal angle, reinforcing plate (2) and precast pile (11) all are located the coplanar, and reinforcing plate (2) are located between two precast piles (11).
2. The concrete road bridge foundation of claim 1, wherein: the cross section of the reinforcing plate (2) is in a right-angled triangle shape, one right-angled side of the reinforcing plate (2) is fixedly connected with the precast pile (11), and the other side of the reinforcing plate is fixedly connected with the bottom surface of the bearing platform (1).
3. The concrete road bridge foundation of claim 2, wherein: the bottom surface of the precast pile (11) is fixedly provided with a pile tip (12), the pile tip (12) is arranged to be conical, and the bottom surface of the pile tip (12) is fixedly connected with the bottom surface of the precast pile (11).
4. A concrete road bridge foundation according to claim 3, wherein: the hypotenuse of reinforcing plate (2) on the fixed installation limit (21) that is provided with, the transversal triangle-shaped of personally submitting of installation limit (21), and the laminating of the hypotenuse of one side of installation limit (21) and reinforcing plate (2), the side width of installation limit (21) and reinforcing plate (2) laminating equal with the thickness of reinforcing plate (2).
5. The concrete road bridge foundation of claim 2, wherein: the length of one side of the reinforcing plate (2) which is attached to the precast pile (11) is equal to the length of the precast pile (11).
6. The concrete road bridge foundation of claim 5, wherein: the side of reinforcing plate (2) on the fixed strengthening rib (3) that is provided with, strengthening rib (3) top and cushion cap (1) bottom surface butt, and the bottom of strengthening rib (3) is adjacent with the hypotenuse of reinforcing plate (2).
7. The concrete road bridge foundation of claim 6, wherein: the reinforcing ribs (3) are parallel to the precast piles (11).
8. The concrete road bridge foundation of claim 7, wherein: one end of the reinforcing rib (3) close to the bevel edge is set to be a sharp end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920929817.5U CN210529732U (en) | 2019-06-19 | 2019-06-19 | Concrete highway bridge foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920929817.5U CN210529732U (en) | 2019-06-19 | 2019-06-19 | Concrete highway bridge foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210529732U true CN210529732U (en) | 2020-05-15 |
Family
ID=70595402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920929817.5U Expired - Fee Related CN210529732U (en) | 2019-06-19 | 2019-06-19 | Concrete highway bridge foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210529732U (en) |
-
2019
- 2019-06-19 CN CN201920929817.5U patent/CN210529732U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200515 Termination date: 20210619 |
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| CF01 | Termination of patent right due to non-payment of annual fee |