CN213203989U - Bridge engineering toper slope protection structure - Google Patents
Bridge engineering toper slope protection structure Download PDFInfo
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- CN213203989U CN213203989U CN202021637247.1U CN202021637247U CN213203989U CN 213203989 U CN213203989 U CN 213203989U CN 202021637247 U CN202021637247 U CN 202021637247U CN 213203989 U CN213203989 U CN 213203989U
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Abstract
The utility model discloses a bridge engineering toper slope protection structure. The slope protection structure comprises a plurality of levels of slope protection grooves, the slope protection grooves are formed by inward sinking of an original terrain slope, and the plurality of levels of slope protection grooves are sequentially arranged from top to bottom; the geogrid is laid in the horizontal direction and comprises a first end and a second end which are arranged oppositely, the first end is borne at the bottom of the slope protection groove, the second end is located outside the slope protection groove, the connecting surfaces of the second ends form a slope protection surface, the geogrid and the groove wall of the slope protection groove are matched in a star shape to form a soil filling area, and sandy soil is filled in the soil filling area; the mortar cushion layer is laid on the sandy soil along the slope protection surface; and the UHPC brick is laid on the mortar cushion layer. The utility model provides a bridge engineering toper slope protection structure impervious corrosion resistance is strong to can prolong slope protection life.
Description
Technical Field
The utility model relates to a bridge engineering technical field especially relates to a bridge engineering toper slope protection structure.
Background
The bridge is an important traffic engineering, and has the main function of crossing obstacles such as rivers, canyons and the like, so that people can conveniently pass through the bridge; in the conventional wading bridge of crossing a river and striding a river etc. in, in order to protect the stability of abutment road bed, prevent to erode, often set up the taper slope in both sides, adopt the masonry on taper slope top layer surface, the mode of grout rubble stone, prefabricated section protection protects toper bank protection banket, and good toper slope protection structure can prevent the bridgehead from jumping the car effectively to can balance the impact of vehicle gravity to the road bed.
In the related technology, the construction process of the conical protection slope mainly comprises the steps of finishing a slope surface, filling soil in the conical slope, and then protecting the conical slope by using grouted rubbles or grouted hexagonal bricks, but no matter the grouted rubbles or the grouted hexagonal bricks are used, the strength, the impermeability and corrosion resistance of the conical protection slope are continuously reduced due to erosion of running water or oxidation of air in the long-term use process, and finally, engineering safety problems such as precast block falling and local collapse of the conical slope can be caused.
Therefore, there is a need to provide a tapered slope protection structure for bridge engineering to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem that the aforesaid will be solved, provide an impervious corrosion resistance reinforce to can prolong slope protection life's bridge engineering toper slope protection structure.
The utility model provides a bridge engineering toper slope protection structure, include:
the slope protection device comprises a plurality of levels of slope protection grooves, a plurality of sets of slope protection grooves and a plurality of sets of slope protection grooves, wherein the slope protection grooves are formed by inwards sinking an original terrain slope;
the geogrid laid in the horizontal direction comprises a first end and a second end which are arranged oppositely, the first end is borne at the bottom of the slope protection groove, the second end is located outside the slope protection groove, the connecting surfaces of the second ends form a slope protection surface, the geogrid and the groove wall of the slope protection groove are matched to form a soil filling area, and sandy soil is filled in the soil filling area;
the mortar cushion layer is laid on the sandy soil along the slope protection surface;
and the UHPC brick is laid on the mortar cushion layer.
Preferably, the height of the slope protection groove is 30-60cm, and the width of the slope protection groove is 80-100 cm.
Preferably, the geogrid is a bidirectional geogrid.
Preferably, the side length of the UHPC brick is 50cm-60cm, the thickness of the UHPC brick is 10-20cm, and the strength of the UHPC brick is more than 120 MPa.
Preferably, one surface of the UHPC brick, which is in contact with the mortar cushion layer, is provided with a plurality of strip-shaped convex strips, and the convex strips are distributed in an annular array along the central axis of the UHPC brick.
Preferably, the thickness of the mortar cushion layer is 10-15 cm.
Preferably, the UHPC brick is a UHPC hexagonal brick.
Compared with the prior art, the utility model provides an among the bridge engineering toper slope protection structure, protect domatic, geogrid and protect the cell wall cooperation of slope groove and form the filled-up district, the filled-up district intussuseption is filled with sandy soil, and the mortar bed course is followed protect domatic laying is located on the sandy soil, UHPC brick laying is located on the mortar bed course, through setting up geogrid has strengthened the intensity of sandy soil to the UHPC material is a mechanical properties is excellent, and impervious corrosion resistance's cement base combined material is strong, becomes the UHPC brick with its preparation and is used for slope protection structure, not only can protect slope protection structure effectively not erodeed by the flowing water and damage, can give certain shock resistance of conical slope moreover, increase of service life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic view of a tapered slope protection structure of bridge engineering provided by the present invention;
FIG. 2 is a schematic diagram of the position relationship of the slope protection groove;
fig. 3 is a schematic cross-sectional view of the tapered slope protection structure of the bridge engineering shown in fig. 1;
fig. 4 is a schematic view of the structure of a UHPC brick.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a tapered slope protection structure 100 for bridge engineering, which includes a slope protection groove 10, a geogrid 20, a mortar cushion layer 30, and UHPC bricks 40(Ultra-High Performance Concrete).
The slope protection groove 10 is formed by inwards sinking an original terrain slope surface 200, and the height of the slope protection groove 10 is 30-60cm, and the width is 80-100 cm. Preferably, in the present embodiment, the height h of the slope protection groove 10 is 40cm, and the width d is 85 cm. The number of the slope protection grooves 10 is multistage, the multistage slope protection grooves 10 are sequentially arranged from top to bottom, and the specific stage number of the slope protection grooves 10 is set according to the height of the original terrain slope surface 200.
The geogrid 20 is laid in the horizontal direction and comprises a first end 21 and a second end 22 which are arranged oppositely, the first end 21 is borne at the bottom of the slope protection groove 10, and the second end 22 is located outside the slope protection groove 10, namely the width of the geogrid 20 is larger than that of the slope protection groove 10. The connecting surfaces of the second ends 22 form slope protection surfaces, the geogrids 20 and the groove walls of the slope protection grooves 10 are matched to form a soil filling area, and sand 50 is filled in the soil filling area.
The geogrid 20 is preferably a bidirectional geogrid, and is laid with a reinforcing rib which can effectively distribute the load of the sandy soil 50, improve the stability and the bearing capacity and prolong the service life; and the sand 50 can be prevented from being lost. During construction, the geogrid 20 is placed at the bottom of the slope protection groove 10 at the lowest position, then sandy soil 50 is backfilled above the geogrid 20 and compacted, the geogrid is repeatedly placed and backfilled from bottom to top, and it can be understood that the part, located outside the slope protection groove 10, of the geogrid 20 is borne on the sandy soil 50, and after the sandy soil 50 is completely backfilled, the outer side face of the sandy soil coincides with the slope protection face. It can be understood that the sandy soil 50 can be directly taken out after the slope protection groove 10 is grooved, so that the raw material cost can be reduced.
The mortar bed course 30 is followed the slope protection surface lays in on the sand 50, the mortar bed course 30 forms the barricade after solidifying, blocks sand 50, prevents sand 50 runs off. Preferably, the mortar pad 30 has a thickness of 10-15 cm.
The UHPC bricks 40 are laid on the mortar cushion layer 30. The UHPC hexagonal brick 40 is made of an ultra-high performance concrete material, is in a regular hexagon shape, can be conveniently laid, has the side length of 50-60 cm and the thickness of 10-20cm, and is attractive in appearance after being laid. Preferably, the strength of the UHPC brick 40 is greater than 120 MPa.
The UHPC brick 40 has good water permeability, can avoid the aggregation of flowing water, is a cement-based composite material with excellent mechanical property and strong impermeability and corrosion resistance, can effectively protect a slope protection structure from erosion and damage caused by flowing water, can endow a conical slope with certain impact resistance, and prolongs the service life. The UHPC brick 40 is manufactured in a factory prefabricating mode, so that the quality of components can be effectively controlled, the resource waste is reduced, and the pollution to the environment is reduced.
Furthermore, a plurality of strip-shaped convex strips 41 are arranged on one surface of the UHPC brick 40, which is in contact with the mortar cushion layer 30, after the UHPC brick 40 is laid, the convex strips 41 are embedded into the mortar cushion layer 30, and after the mortar cushion layer 30 is solidified, the convex strips 41 and the mortar cushion layer 30 are integrated into a whole, so that the connection firmness of the UHPC brick 40 and the mortar cushion layer 30 can be improved, and the UHPC brick is not easy to fall off. The raised strips 41 are distributed in an annular array along the central axis of the UHPC brick 40, so that the UHPC brick 40 is uniformly stressed everywhere after being installed, and the raised strips 41 are prevented from being broken due to stress concentration.
Compared with the prior art, the utility model provides an among the bridge engineering toper slope protection structure, protect domatic, geogrid and protect the cell wall cooperation of slope groove and form the filled-up district, the filled-up district intussuseption is filled with sandy soil, and the mortar bed course is followed protect domatic laying is located on the sandy soil, UHPC brick laying is located on the mortar bed course, through setting up geogrid has strengthened the intensity of sandy soil to the UHPC material is a mechanical properties is excellent, and impervious corrosion resistance's cement base combined material is strong, becomes the UHPC brick with its preparation and is used for slope protection structure, not only can protect slope protection structure effectively not erodeed by the flowing water and damage, can give certain shock resistance of conical slope moreover, increase of service life.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (7)
1. The utility model provides a bridge engineering toper slope protection structure which characterized in that includes:
the slope protection device comprises a plurality of levels of slope protection grooves, a plurality of sets of slope protection grooves and a plurality of sets of slope protection grooves, wherein the slope protection grooves are formed by inwards sinking an original terrain slope;
the geogrid laid in the horizontal direction comprises a first end and a second end which are arranged oppositely, the first end is borne at the bottom of the slope protection groove, the second end is located outside the slope protection groove, the connecting surfaces of the second ends form a slope protection surface, the geogrid and the groove wall of the slope protection groove are matched to form a soil filling area, and sandy soil is filled in the soil filling area;
the mortar cushion layer is laid on the sandy soil along the slope protection surface;
and the UHPC brick is laid on the mortar cushion layer.
2. The tapered slope protection structure for bridge engineering according to claim 1, wherein the height of the slope protection groove is 30-60cm, and the width is 80-100 cm.
3. The tapered slope protection structure for bridge engineering according to claim 1, wherein the geogrid is a bidirectional geogrid.
4. The tapered slope protection structure of bridge engineering according to claim 1, wherein the side length of the UHPC brick is 50cm to 60cm, the thickness is 10 cm to 20cm, and the strength of the UHPC brick is greater than 120 MPa.
5. The tapered slope protection structure for bridge engineering according to any one of claims 1 to 4, wherein a plurality of strip-shaped convex strips are arranged on the surface of the UHPC brick, which is in contact with the mortar cushion layer, and the plurality of convex strips are distributed in an annular array along the central axis of the UHPC brick.
6. The tapered slope protection structure for bridge engineering according to any one of claims 1 to 4, wherein the mortar bed has a thickness of 10 to 15 cm.
7. The tapered slope protection structure of bridge engineering according to any one of claims 1 to 4, wherein the UHPC bricks are UHPC hexagonal bricks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021637247.1U CN213203989U (en) | 2020-08-07 | 2020-08-07 | Bridge engineering toper slope protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021637247.1U CN213203989U (en) | 2020-08-07 | 2020-08-07 | Bridge engineering toper slope protection structure |
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| CN213203989U true CN213203989U (en) | 2021-05-14 |
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| CN202021637247.1U Active CN213203989U (en) | 2020-08-07 | 2020-08-07 | Bridge engineering toper slope protection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114032778A (en) * | 2021-11-25 | 2022-02-11 | 武汉一冶建筑安装工程有限责任公司 | Anti-settling and anti-sliding bridge conical slope construction method |
-
2020
- 2020-08-07 CN CN202021637247.1U patent/CN213203989U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114032778A (en) * | 2021-11-25 | 2022-02-11 | 武汉一冶建筑安装工程有限责任公司 | Anti-settling and anti-sliding bridge conical slope construction method |
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