CN109457741B - Device for preventing abutment from shifting and sand leakage and implementation method thereof - Google Patents
Device for preventing abutment from shifting and sand leakage and implementation method thereof Download PDFInfo
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- CN109457741B CN109457741B CN201811539326.6A CN201811539326A CN109457741B CN 109457741 B CN109457741 B CN 109457741B CN 201811539326 A CN201811539326 A CN 201811539326A CN 109457741 B CN109457741 B CN 109457741B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- 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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Bridges Or Land Bridges (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention relates to the fields of highway traffic engineering, bridge engineering, geotechnical engineering and the like, in particular to a device for preventing abutment from shifting and sand leakage, which comprises a steel box, wherein two sides of the inner wall of the steel box are respectively connected with longitudinal steel plates, the rear sides of the two longitudinal steel plates are respectively and fixedly connected with the inner wall of the steel box through transverse steel plates, supporting channel steel is fixedly connected below the bottoms of the two longitudinal steel plates, two ends of the supporting channel steel are vertically connected with the inner wall of the steel box, a horizontal steel plate is arranged between the two longitudinal steel plates, the horizontal steel plate is fixedly connected with the upper parts of the two supporting channel steel plates, a vertical channel for placing the abutment is formed between the two longitudinal steel plates and the horizontal steel plate, and polytetrafluoroethylene plates are respectively and fixedly attached to the inner side walls of the two longitudinal steel plates and the upper surface of the horizontal steel plate; the invention provides a device for preventing abutment from shifting and sand leakage and an implementation method thereof, which are convenient to install, save funds, can be reused, can truly reflect the displacement response of the abutment under the action of internal and external factors, and have high test precision and reliable conclusion.
Description
Technical field:
the invention relates to the fields of highway traffic engineering, bridge engineering, geotechnical engineering and the like, in particular to a device for preventing abutment deviation and sand leakage and an implementation method thereof.
The background technology is as follows:
with the continuous achievement of our economy construction, highway traffic industry is greatly developed, but for countries with complex geological structures like our country, the complexity of bridge construction in design, construction and detail construction is unprecedented, but the most troublesome problem for the whole bridge construction is the interaction between the girder structure and the soil.
As is well known, the interaction between the seamless bridge and the earth is an unsolved problem in the world today, mainly because, compared with the traditional slotted bridge, the upper structure of the seamless bridge is connected with the full bending moment of the bridge abutment so as to form the whole bridge, but the problem that the bridge body is influenced by displacement caused by internal and external factors is not fundamentally solved, but the problem is distinguished from the non-integral bridge in terms of the magnitude of displacement and the change of the transverse earth pressure after the abutment caused by displacement, and the problem that the seamless bridge is very integral so as to cause the influence on the earth pressure after the abutment to be considered.
The invention comprises the following steps:
the invention aims to provide the device for preventing the abutment from shifting and leaking sand and the implementation method thereof, which are convenient to install, save funds, can be reused, can truly reflect the displacement response of the abutment under the action of internal and external factors, and have high test precision and reliable conclusion.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a prevent abutment deviation and hourglass sand device, includes the steel case that is used for filling sand, its characterized in that: the steel box inner wall both sides are connected with vertical and along vertically extending's vertical steel sheet respectively, two vertical steel sheet rear sides respectively with adjacent steel box inner wall one side through horizontal steel sheet fixed connection, two horizontal support channel-section steels that are used for supporting that set up of two vertical steel sheet bottom fixedly connected with, support channel-section steel both ends are connected in the steel box inner wall perpendicularly, be equipped with horizontal steel sheet between the two vertical steel sheets, horizontal steel sheet and two support channel-section steel top fixed connection, form the vertical passageway that is used for placing the abutment between two vertical steel sheets and the horizontal steel sheet, two vertical steel sheet inside walls are fixed respectively with horizontal steel sheet upper surface and are equipped with polytetrafluoroethylene board.
Further, an angle steel is fixedly connected between the longitudinal steel plate and one side of the inner wall of the adjacent steel box, the angle steel is perpendicular to the inner wall of the steel box connected with the angle steel, and the upper end face of the angle steel is flush with the upper end face of the steel box.
Further, the transverse steel plate and the longitudinal steel plate are perpendicular to each other and both are perpendicular to the horizontal plane.
Further, the two support channel steels are symmetrically distributed along the central line of the longitudinal steel plate, and the symmetry axis is coincident with the transverse symmetry axis of the horizontal steel plate.
Further, the transverse steel plate, the longitudinal steel plate and the horizontal steel plate are all rectangular steel plates.
Further, the length of the longitudinal steel plate is 1520mm, the width of the longitudinal steel plate is 560mm, and the thickness range is 5 mm-10 mm;
the length of the transverse steel plate is 1520mm, the width of the transverse steel plate is 670mm, and the thickness range of the transverse steel plate is 5 mm-10 mm;
the length of the supporting channel steel is 2000mm, and the width range is 20 mm-30 mm;
the thickness range of the horizontal steel plate is 10 mm-20 mm;
the thickness range of the polytetrafluoroethylene plate is 1 mm-2 mm;
the upper end surfaces of the longitudinal steel plates and the transverse steel plates are flush with the upper end surface of the steel box.
The implementation method of the device for preventing abutment offset and sand leakage is characterized by comprising the following steps of:
a. respectively welding transverse steel plates on two side walls in the steel box, so that a vertical edge on one side of the transverse steel plates is tightly attached to the side walls of the steel box, and an opening is formed between the transverse steel plates on two sides;
b. the longitudinal steel plates are welded on one side of the transverse steel plate, which is not welded with the steel box, respectively, so that the longitudinal steel plates are in seamless and tight connection with the transverse steel plates;
c. a layer of rough tetrafluoroethylene plates are respectively and fixedly attached to the inner side surfaces of the two longitudinal steel plates;
d. respectively welding a supporting channel steel at the bottom of the longitudinal steel plate along two sides of the central line;
e. a horizontal steel plate is arranged below the space between the two longitudinal steel plates and welded with the upper end of the supporting channel steel;
f. fixedly attaching a layer of polytetrafluoroethylene plate on the upper side of the horizontal steel plate, and placing the bridge abutment on the polytetrafluoroethylene plate;
g. and filling sand in the steel box, so that the upper surface of the sand positioned on the front side of the transverse steel plate is flush with the lower surface of the abutment, and the upper end surface of the sand positioned on the rear side of the transverse steel plate is flush with the upper end surface of the abutment.
The invention provides a device for preventing abutment from shifting and sand leakage and an implementation method thereof, which are convenient to install, save funds, can be reused, can truly reflect the displacement response of the abutment under the action of internal and external factors, and have high test precision and reliable conclusion.
The present invention will be further described in detail below with reference to specific embodiments and associated drawings for the purpose of making the objects, technical solutions and advantages of the present invention more apparent.
Description of the drawings:
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic diagram of the front view structure of the present invention;
FIG. 3 is a schematic cross-sectional structural view of section A-A of FIG. 1.
Description of the reference numerals: 1-steel box, 2-longitudinal steel plate, 3-transverse steel plate, 4-supporting channel steel, 5-horizontal steel plate, 6-vertical channel, 7-polytetrafluoroethylene plate, 8-angle steel, 9-abutment and 10-sand.
The specific embodiment is as follows:
the utility model provides a prevent abutment deviation and hourglass sand device, includes steel case 2 that is used for filling sand 1, its characterized in that: the two sides of the inner wall of the steel box are respectively connected with vertical longitudinal steel plates 3 which extend longitudinally, the rear sides of the two longitudinal steel plates are respectively and fixedly connected with one side of the inner wall of the adjacent steel box through transverse steel plates 4, two supporting channel steel 5 which are transversely arranged and used for supporting are fixedly connected below the bottoms of the two longitudinal steel plates, two ends of the supporting channel steel are vertically connected with the inner wall of the steel box, a horizontal steel plate 6 is arranged between the two longitudinal steel plates, the horizontal steel plate is fixedly connected with the upper parts of the two supporting channel steel plates, a vertical channel 8 for placing an abutment 7 is formed between the two longitudinal steel plates and the horizontal steel plate, and polytetrafluoroethylene plates 9 are respectively and fixedly attached to the inner side walls of the two longitudinal steel plates and the upper surface of the horizontal steel plate;
the transverse steel plate is used for connecting the longitudinal steel plate with the inner wall of the steel box, reinforcing the longitudinal steel plate and forming a space for storing sand with the steel box; the channel steel is used for supporting the horizontal steel plate and the bridge abutment arranged on the channel steel; the friction coefficient on polytetrafluoroethylene board and abutment surface is little to can guarantee that abutment bottom surface and lateral wall can take place effectual slip when using, during the use, the abutment is laid in vertical passageway, and the polytetrafluoroethylene board between abutment both sides wall and the two vertical steel sheets closely laminates the contact, and the bottom surface of abutment sticiss on the polytetrafluoroethylene board on horizontal steel sheet upper surface, and abutment is horizontal and vertical direction all by fixed constraint, can only be along vertical skew, can improve experimental accuracy, makes experimental result more accurate.
In one embodiment, an angle steel 10 is fixedly connected between the longitudinal steel plate and one side of the inner wall of the adjacent steel box, the angle steel is perpendicular to the inner wall of the steel box connected with the angle steel, and the upper end face of the angle steel is level with the upper end face of the steel box;
the angle steel can be equal-sided or unequal-sided, the angle steel is perpendicular to the inner wall of the steel box, sufficient supporting force is provided for the longitudinal steel plate, deformation displacement of the longitudinal steel plate is prevented, and transverse constraint can be provided for the bridge abutment better.
Further, the transverse steel plate and the longitudinal steel plate are perpendicular to each other and both are perpendicular to the horizontal plane.
Further, the two supporting channel steels are symmetrically distributed along the central line of the longitudinal steel plate, and the symmetry axis is overlapped with the transverse symmetry axis of the horizontal steel plate;
the horizontal steel plate and the channel steel are symmetrically arranged along the central line of the longitudinal steel plate, so that the bridge abutment and the polytetrafluoroethylene plate on the horizontal steel plate can be fully contacted to effectively slide, and the distance between the two channel steels can be automatically determined according to the use requirement.
Further, the transverse steel plate, the longitudinal steel plate and the horizontal steel plate are all rectangular steel plates;
the rectangular steel plates are beneficial to keeping the vertical relation among the transverse steel plates, the longitudinal steel plates and the inner walls of the steel box, and can ensure seamless connection among the steel plates, so that the tightness is further ensured, and sand is prevented from leaking out;
when the device is used, the bottoms of the longitudinal steel plates and the transverse steel plates are inserted into soil, the tops of the longitudinal steel plates and the transverse steel plates are higher than the top end face of the bridge abutment, and the distances for the longitudinal steel plates and the transverse steel plates to be inserted into the soil and higher than the soil can be automatically determined according to actual requirements.
In one embodiment, the length of the longitudinal steel plate is 1520mm, the width is 560mm, and the thickness is in the range of 5mm to 10mm;
the length of the transverse steel plate is 1520mm, the width of the transverse steel plate is 670mm, and the thickness range of the transverse steel plate is 5 mm-10 mm;
the length of the supporting channel steel is 2000mm, and the width range is 20 mm-30 mm;
the thickness range of the horizontal steel plate is 10 mm-20 mm;
the thickness range of the polytetrafluoroethylene plate is 1 mm-2 mm;
the upper end surfaces of the longitudinal steel plates and the transverse steel plates are flush with the upper end surface of the steel box.
The implementation method of the device for preventing abutment offset and sand leakage comprises the following steps:
a. respectively welding transverse steel plates on two side walls in the steel box, so that a vertical edge on one side of the transverse steel plates is tightly attached to the side walls of the steel box, and an opening is formed between the transverse steel plates on two sides;
b. the longitudinal steel plates are welded on one side of the transverse steel plate, which is not welded with the steel box, respectively, so that the longitudinal steel plates are in seamless and tight connection with the transverse steel plates;
c. a layer of rough tetrafluoroethylene plates are respectively and fixedly attached to the inner side surfaces of the two longitudinal steel plates;
d. respectively welding a supporting channel steel at the bottom of the longitudinal steel plate along two sides of the central line;
e. a horizontal steel plate is arranged below the space between the two longitudinal steel plates and welded with the upper end of the supporting channel steel;
f. fixedly attaching a layer of polytetrafluoroethylene plate on the upper side of the horizontal steel plate, and placing the bridge abutment on the polytetrafluoroethylene plate;
g. and filling sand in the steel box, so that the upper surface of the sand positioned on the front side of the transverse steel plate is flush with the lower surface of the abutment, and the upper end surface of the sand positioned on the rear side of the transverse steel plate is flush with the upper end surface of the abutment.
The invention provides a device for preventing abutment from shifting and sand leakage and an implementation method thereof, which can restrict and support the abutment from both sides and the bottom, ensure that the abutment can only shift along the required direction, and the device is convenient to install, saves funds, can be reused, can truly reflect the shifting response of the abutment under the action of internal and external factors, and has high test precision and reliable conclusion.
While the foregoing is directed to the preferred embodiment, other and further embodiments of the invention will be apparent to those skilled in the art from the following description, wherein the invention is described, by way of illustration and example only, and it is intended that the invention not be limited to the specific embodiments illustrated and described, but that the invention is to be limited to the specific embodiments illustrated and described.
Claims (5)
1. The utility model provides a prevent abutment deviation and hourglass sand device, includes the steel case that is used for filling sand, its characterized in that: the two sides of the inner wall of the steel box are respectively connected with vertical longitudinal steel plates which extend longitudinally, the rear sides of the two longitudinal steel plates are respectively and fixedly connected with one side of the inner wall of the adjacent steel box through transverse steel plates, two supporting channel steel which is transversely arranged and used for supporting are fixedly connected below the bottoms of the two longitudinal steel plates, two ends of the supporting channel steel are vertically connected with the inner wall of the steel box, a horizontal steel plate is arranged between the two longitudinal steel plates, the horizontal steel plate is fixedly connected with the upper parts of the two supporting channel steel plates, a vertical channel for placing an abutment is formed between the two longitudinal steel plates and the horizontal steel plate, and polytetrafluoroethylene plates are respectively and fixedly attached to the inner side walls of the two longitudinal steel plates and the upper surface of the horizontal steel plate; the transverse steel plate and the longitudinal steel plate are mutually perpendicular and are both perpendicular to the horizontal plane; the transverse steel plate, the longitudinal steel plate and the horizontal steel plate are rectangular steel plates; the two side walls of the bridge abutment are tightly attached to the polytetrafluoroethylene plates between the two longitudinal steel plates, and the bottom surface of the bridge abutment is tightly pressed on the polytetrafluoroethylene plates on the upper surface of the horizontal steel plate; the bottoms of the longitudinal steel plates and the transverse steel plates are inserted into soil, and the top of the longitudinal steel plates and the bottom of the transverse steel plates are higher than the top end face of the abutment.
2. The apparatus for preventing abutment offset and sand leakage according to claim 1, wherein: an angle steel is fixedly connected between the longitudinal steel plate and one side of the inner wall of the adjacent steel box, and is perpendicular to the inner wall of the steel box connected with the angle steel and the upper end face of the angle steel is flush with the upper end face of the steel box.
3. The apparatus for preventing abutment offset and sand leakage according to claim 1, wherein: the two supporting channel steels are symmetrically distributed along the central line of the longitudinal steel plate, and the symmetry axis coincides with the transverse symmetry axis of the horizontal steel plate.
4. The apparatus for preventing abutment offset and sand leakage according to claim 1, wherein: the length of the longitudinal steel plate is 1520mm, the width of the longitudinal steel plate is 560mm, and the thickness range of the longitudinal steel plate is 5 mm-10 mm;
the length of the transverse steel plate is 1520mm, the width of the transverse steel plate is 670mm, and the thickness range of the transverse steel plate is 5 mm-10 mm;
the length of the supporting channel steel is 2000mm, and the width range is 20 mm-30 mm;
the thickness range of the horizontal steel plate is 10 mm-20 mm;
the thickness range of the polytetrafluoroethylene plate is 1 mm-2 mm;
the upper end surfaces of the longitudinal steel plates and the transverse steel plates are flush with the upper end surface of the steel box.
5. A method of implementing the abutment shift and sand leakage prevention device of any one of claims 1-4, comprising the steps of:
a. respectively welding transverse steel plates on two side walls in the steel box, so that a vertical edge on one side of the transverse steel plates is tightly attached to the side walls of the steel box, and an opening is formed between the transverse steel plates on two sides;
b. the longitudinal steel plates are welded on one side of the transverse steel plate, which is not welded with the steel box, respectively, so that the longitudinal steel plates are in seamless and tight connection with the transverse steel plates;
c. a layer of rough tetrafluoroethylene plates are respectively and fixedly attached to the inner side surfaces of the two longitudinal steel plates;
d. respectively welding a supporting channel steel at the bottom of the longitudinal steel plate along two sides of the central line;
e. a horizontal steel plate is arranged below the space between the two longitudinal steel plates and welded with the upper end of the supporting channel steel;
f. fixedly attaching a layer of polytetrafluoroethylene plate on the upper side of the horizontal steel plate, and placing the bridge abutment on the polytetrafluoroethylene plate;
g. and filling sand in the steel box, so that the upper surface of the sand positioned on the front side of the transverse steel plate is flush with the lower surface of the abutment, and the upper end surface of the sand positioned on the rear side of the transverse steel plate is flush with the upper end surface of the abutment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539326.6A CN109457741B (en) | 2018-12-17 | 2018-12-17 | Device for preventing abutment from shifting and sand leakage and implementation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539326.6A CN109457741B (en) | 2018-12-17 | 2018-12-17 | Device for preventing abutment from shifting and sand leakage and implementation method thereof |
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| Publication Number | Publication Date |
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| CN109457741A CN109457741A (en) | 2019-03-12 |
| CN109457741B true CN109457741B (en) | 2023-08-04 |
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| CN113899544B (en) * | 2021-12-09 | 2022-02-18 | 中国飞机强度研究所 | Airplane climate test connecting device and parameter optimization method thereof |
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| JP2014129719A (en) * | 2012-11-28 | 2014-07-10 | Tokyo Fabric Kogyo Kk | Lateral displacement restraining device |
| CN105442457B (en) * | 2016-01-06 | 2017-02-01 | 福州大学 | Construction structure and method for extending bridge floor plate bridge filled with fine sand |
| CN108801666B (en) * | 2018-07-05 | 2019-11-12 | 福州大学 | A kind of device and its implementation method of enhancing abutment-soil body interaction |
| CN209384294U (en) * | 2018-12-17 | 2019-09-13 | 福州大学 | A kind of device preventing abutment displacement and sand leakage |
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