CN212956586U

CN212956586U - Dangerous rock enclosure structure

Info

Publication number: CN212956586U
Application number: CN202021540372.0U
Authority: CN
Inventors: 蔡灿; 周成渝
Original assignee: Chongqing 607 Engineering Survey And Design Co ltd
Current assignee: Chongqing 607 Engineering Survey And Design Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-04-13
Anticipated expiration: 2030-07-29

Abstract

The utility model relates to a dangerous rock envelope, it is including setting up in the catch basin at dangerous rock side slope top and setting up in the envelope of dangerous rock side slope outer wall, and envelope includes a plurality of enclosure units that distribute along road length direction, and enclosure unit includes a plurality of anchors and a plurality of laying in proper order in the stock of dangerous rock side slope stable rock stratum and the fashioned inoxidizing coating of dangerous rock side slope, be provided with the reinforcing bar net in the inoxidizing coating, a plurality of inoxidizing coatings and fixed connection in reinforcing bar net are worn to locate by the stock. The application has the effect of relatively large maintenance range.

Description

Dangerous rock enclosure structure

Technical Field

The application relates to the field of dangerous rock protection, in particular to a dangerous rock envelope structure.

Background

In the process of road construction, high and steep slope dangerous rocks are not avoided, the high and steep slope dangerous rocks pose considerable threat to the safety of roads and surrounding residential areas, and the structures of slope brushing, metal stone blocking nets, tunnel open cut tunnels, multi-line shed tunnels, gravity type stone blocking walls, pile slab stone blocking walls, steel rail fences and the like are adopted for the protection of dangerous rocks and falling rocks of railways and highways. The protection height of the prior related art is relatively low, so that the protection effect is relatively poor.

The Chinese patent with the publication number of CN109736216A in the prior related art discloses a high and steep slope dangerous rock falling protecting method and a combined stone blocking wall structure thereof, and the technical key points are as follows: the vertical stone blocking wall comprises supporting wall type pier bodies arranged on one side of a high and steep slope in a longitudinal row, wherein a longitudinal horizontal top plate is arranged above the supporting wall type pier bodies, an upright longitudinal stone blocking wall panel is longitudinally arranged above the horizontal top plate, and a plurality of transverse stone blocking wall rib plates which are transversely perpendicular to the slope surface and upright are arranged between the outer side of the longitudinal stone blocking wall panel and the horizontal top plate as well as between the outer side of the longitudinal stone blocking wall panel and the high and steep slope.

With respect to the related art in the above, the inventors consider that there is a drawback that the protection range is relatively small.

SUMMERY OF THE UTILITY MODEL

The application provides a dangerous rock envelope adopts following technical scheme:

the utility model provides a dangerous rock envelope, is including setting up in the intercepting ditch at dangerous rock side slope top and setting up in the envelope of dangerous rock side slope outer wall, and envelope includes a plurality of enclosure units that distribute along road length direction, is the clearance setting between the adjacent enclosure unit, and enclosure unit includes that a plurality of anchors set up in the inoxidizing coating of dangerous rock side slope stability rock stratum and a plurality of stromatolite that are in the stromatolite in dangerous rock side slope, the outside the inoxidizing coating is provided with the escape canal that communicates in the intercepting ditch, be provided with the reinforcing bar net in the inoxidizing coating, a plurality of inoxidizing coatings and fixed connection in the reinforcing bar net are worn to locate by.

By adopting the technical scheme, rainwater flowing to the joint position of the enclosing structure and the dangerous rock side slope can be effectively reduced by the intercepting ditch, the possibility of defect retention of bubbles and the like in the enclosing unit after forming can be effectively reduced by the aid of the protective layers arranged in a laminated mode during pouring, so that the strength of the enclosing unit is optimized, meanwhile, the enclosing unit is coated outside the dangerous rock side slope, the dangerous rock side slope can be fully enclosed, and the adjacent enclosing units are arranged in a clearance mode, so that the probability of damage of the enclosing unit caused by expansion caused by heat and contraction caused by cold can be effectively reduced; in addition, when dangerous rocks and the like on dangerous rock slopes can be settled, the anchor rods can limit the protective layers through the plurality of reinforcing meshes so as to limit the possibility that the protective layers are far away from the dangerous rock slopes, so that the dangerous rocks of the dangerous rock slopes are limited, and the overall maintenance effect is relatively better.

Preferably, a plurality of water drainage holes are formed in the upstream face of the intercepting drain.

Through adopting above-mentioned technical scheme, the outlet can effectually be guided the rainwater of intercepting ditch upstream face to the intercepting ditch in to can do the collection to the rainwater of inside, reduce the influence that the rainwater produced dangerous rock side slope.

Preferably, gaps between adjacent enclosure units are filled with asphalt to form caulking layers.

By adopting the technical scheme, when the temperature difference is relatively large, the heat expansion and the cooling of the enclosure units are adapted and the enclosure units are sealed, so that the erosion of external rainwater and the like to rock strata on the inner side of the enclosure units through gaps between the adjacent enclosure units is reduced, and the enclosure effect of the protective layer is optimized.

Preferably, the protective layer is arranged in a step shape, so that at least one riding track is formed on the outer wall of the protective layer, and the riding track is horizontally arranged.

By adopting the technical scheme, the berm can be convenient for later maintenance to serve as a channel, and meanwhile, the protective layer can achieve the effect of graded buffering, and the rock of the part which is not surrounded by the surrounding units is buffered.

Preferably, the inoxidizing coating in the outside is provided with a plurality of vertically and horizontally staggered's rib, rib fixed connection is in the inoxidizing coating, the stock wears to establish and is fixed in the vertically and horizontally staggered portion of rib.

By adopting the technical scheme, the ribs can effectively increase the overall structural strength of the protective layer so as to optimize the enclosure reinforcing effect on dangerous rocks, and meanwhile, the anchor rods are fixedly connected to the criss-cross parts of the ribs, so that the possibility that the protective layer deforms due to the load of the dangerous rock side slope when the protective layer is used for enclosing the dangerous rock side slope can be further reduced.

Preferably, the anchor rod comprises a plurality of mutually parallel anchor bars.

Through adopting above-mentioned technical scheme, a plurality of anchor bars can effectual increase and the downthehole cement mortar's of stock area of contact, simultaneously can also the intensity of effectual increase stock itself, optimize the restriction effect to the inoxidizing coating.

Preferably, the anchor bars positioned at the lowermost side are fixedly connected with a plurality of positioning brackets distributed along the length direction of the anchor bars.

Through adopting above-mentioned technical scheme to when being used for the anchor stock, do the support to the dowel for the dowel is whole to be located the middle part position in stock hole, optimizes the result of use.

Preferably, a plurality of anchor bars overcoat is limited the pipe, the restriction pipe is seted up a plurality of long banding mounting holes, the locating support wears to locate the mounting hole and fixed connection in the anchor bar, and part the mounting hole corresponds and sets up between adjacent anchor bar.

Through adopting above-mentioned technical scheme, the restriction pipe can be done the restriction to a plurality of anchor bars to place a plurality of anchor bars in the stock hole during the installation, the mounting hole can make locating support lug connection in anchor bar simultaneously, with the optimization after pouring stock with pour the joint strength between the downthehole cement mortar of anchor bar.

Preferably, a plurality of connecting rings are sleeved at the positions of the anchor bars in the protective layer, the connecting rings are provided with a plurality of connecting holes which are axially parallel to the radial plane of the connecting rings, and the steel bars of the steel bar net in the protective layer penetrate through the connecting holes.

Through adopting above-mentioned technical scheme, can be effectual the compactness of being connected between optimization stock and the inoxidizing coating.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the intercepting ditch can effectively reduce rainwater flowing to the joint position of the enclosing structure and the dangerous rock side slope, the protective layers arranged in a laminated mode can effectively reduce the possibility of defect retention of bubbles and the like in the enclosing unit after forming during pouring so as to optimize the strength of the enclosing unit, meanwhile, the enclosing unit is coated outside the dangerous rock side slope and can fully enclose the dangerous rock side slope, and meanwhile, when the anchor rod can settle dangerous rocks and the like on the dangerous rock side slope, the protective layers are limited through the plurality of reinforcing steel bar nets so as to limit the possibility that the protective layers are far away from the dangerous rock side slope, so that the dangerous rocks of the dangerous rock side slope are limited, and the overall maintenance effect is relatively better;

2. the limiting pipe can be restricted to a plurality of anchor bars to place a plurality of anchor bars in the stock hole during installation, the mounting hole can make locating support lug connection in anchor bar simultaneously, with the joint strength of optimizing the back stock of pouring and pouring between the anchor bar downthehole cement mortar.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of a first embodiment of the present application.

Fig. 2 is a partial structural schematic diagram of the first embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a of fig. 1.

Fig. 4 is an enlarged schematic view of part B of fig. 2.

Fig. 5 is a partial cross-sectional view of the first embodiment of the present application.

Fig. 6 is an exploded view of the anchor rod in the second embodiment of the present application.

Description of reference numerals: 1. intercepting a ditch; 10. a drainage ditch; 11. a water drain hole; 12. a drain pipe; 121. geotextile; 2. an anchor rod; 21. anchoring ribs; 211. positioning the bracket; 212. a connecting ring; 22. a limiting tube; 221. a limiting pipe I; 3. a protective layer; 31. a horse way; 32. a rib; 4. and (4) caulking layers.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses dangerous rock envelope structure.

Example one

Referring to fig. 1 and 2, the water cut-off ditch comprises a cut-off ditch 1 arranged at the top of a dangerous rock side slope and a building envelope arranged on the outer wall of the dangerous rock side slope. The enclosing structure comprises a plurality of enclosing units distributed along the length direction of a road, expansion joints are formed between adjacent enclosing units, and the expansion joints are filled with asphalt to form caulking layers 4 so as to adapt to thermal expansion and cooling of the enclosing units and seal when the temperature difference is relatively large, thereby reducing the erosion of external rainwater and the like to rock stratums on the inner sides of the enclosing units through gaps between the adjacent enclosing units. The enclosure unit is also provided with a plurality of drainage ditches 10 communicated with the intercepting drain 1 for assisting drainage to reduce the pressure of drainage of the intercepting drain 1.

Referring to fig. 1 and 2, the enclosure unit comprises a plurality of anchor rods 2 anchored in the stable rock stratum in the dangerous rock slope and a plurality of protective layers 3 which are arranged outwards in a laminated manner from the dangerous rock slope, and the protective layers 3 are formed by sequentially laying concrete outside the dangerous rock slope. All be provided with the reinforcing bar net in the inoxidizing coating 3, a plurality of inoxidizing coatings 3 and fixed connection in reinforcing bar net are worn to locate by stock 2. Wherein, the outermost or all protective layers 3 extend to the opening edge of the intercepting ditch 1, when a plurality of protective layers 3 are poured, the construction is carried out by adopting a concrete spraying mode, when the concrete is sprayed, the spraying is carried out in a layered mode, the segmented and separated mode is carried out in sequence, the spraying sequence is from bottom to top, when the layered spraying is carried out, the spraying of the later layer is carried out after the final setting of the former layer of concrete is 1 hour, the reinforcing mesh is laid after the spraying of the first layer of concrete on the rock surface, and the gap between the reinforcing mesh and the wall surface is preferably 30 mm. The second layer of mesh reinforcement should be laid after the first layer of mesh reinforcement is covered with concrete.

The intercepting ditch 1 can effectively reduce rainwater flowing to the joint position of the building enclosure and the dangerous rock side slope, the protective layers 3 arranged in a plurality of layers can effectively reduce the possibility of defect retention such as bubbles in the building enclosure units after forming during pouring, so as to optimize the strength of the building enclosure units, meanwhile, the building enclosure units are coated outside the dangerous rock side slope, so as to fully protect the dangerous rock side slope, meanwhile, when the anchor rod 2 can subside dangerous rocks on the dangerous rock side slope, the protective layers 3 are limited through a plurality of reinforcing steel bar nets, so as to limit the possibility that the protective layers 3 are far away from the dangerous rock side slope, so as to limit the dangerous rocks of the dangerous rock side slope, and the overall maintenance effect is relatively better.

Referring to fig. 2 and 3, the upstream surface of the intercepting drain 1 is provided with a plurality of drainage holes 11 distributed along the length direction thereof, and the drainage holes 11 communicate with the intercepting drain 1. The water drainage holes 11 can effectively guide rainwater on the upstream surface of the intercepting ditch 1 into the intercepting ditch 1, can collect rainwater in the intercepting ditch, and reduce the influence of the rainwater on dangerous rock slopes.

The protective layer 3 is arranged in a step shape, so that at least one horse way 31 is formed outside the protective layer, and the horse way 31 is horizontally arranged. The effect of hierarchical buffering can be reached, and the rock of the part that is not enclosed by the enclosure unit can be buffered when the later maintenance is convenient for.

The protective layer 3 in the outermost side is provided with a plurality of criss-cross ribs 32, the ribs 32 are located on one side, away from the dangerous rock slope, of the protective layer 3, the ribs 32 are fixedly connected to the protective layer 3, and the anchor rod 2 penetrates through and is fixedly connected to the criss-cross positions of the ribs 32. Wherein, the drainage ditch 10 is formed by grooves among the ribs 32 parallel to the inclined direction of the dangerous rock slope.

Through rib 32 can effectual increase inoxidizing coating 3's overall structure intensity to optimize the enclosure reinforcement effect to the dangerous rock, stock 2 fixed connection in the vertically and horizontally staggered position of a plurality of ribs 32 simultaneously can further make inoxidizing coating 3 do the enclosure to the dangerous rock side slope when, reduce inoxidizing coating 3 because of the possibility of deformation of the load of dangerous rock side slope.

Referring to fig. 2 and 4, the anchor rod 2 includes a plurality of parallel anchor bars 21, wherein the anchor bars 21 may be made of deformed steel, and adjacent anchor bars 21 may be welded or connected by binding. A plurality of anchor bars 21 can effectual increase and the downthehole cement mortar's of stock area of contact, simultaneously can also the effectual intensity that increases 2 themselves of stock, optimize the restriction effect to inoxidizing coating 3.

The plurality of anchor bars 21 or the plurality of anchor bars 21 that are located the downside are all fixedly connected with a plurality of locating support 211 that distribute along its length direction, and wherein, locating support 211 can select the ship shape support. When being used for anchor stock 2, support the anchor bar 21 for the anchor bar 21 is whole to be located the middle part position in anchor rod hole, optimizes the result of use.

Referring to fig. 5, the enclosure unit is provided with a plurality of drain pipes 12 for draining water, a plurality of drain holes are formed at the parts of the drain pipes 12 penetrating into the dangerous rock side slope, and the parts of the drain pipes 12 penetrating into the dangerous rock side slope are coated with geotextile 121 for reducing the entrance of external silt. For draining water inside the enclosure unit to the drain pipe 12 through the drain hole.

Example two

Referring to fig. 6, the difference from the first embodiment is that the restricting tube 22 is externally fitted over the anchor bars 21, the restricting tube 22 is opened with a plurality of elongated mounting holes, and the positioning bracket 211 is inserted into the mounting holes and welded to the anchor bars 21. Wherein, some mounting holes are correspondingly opened in the clearance position between the adjacent anchor bars 21 to make the concrete mortar can be anchored in the anchor bars 21 and increase the joint strength between the solidified concrete mortar and the limiting pipe 22.

Limiting pipe 22 can do the restriction to a plurality of anchor bars 21 to place a plurality of anchor bars 21 in the stock hole during the installation, the mounting hole can make locating support 211 lug connection in anchor bar 21 simultaneously, with optimize the tie strength of pouring back stock 2 and pouring between the downthehole cement mortar of stock.

The limiting pipe 22 is composed of two limiting pipes 221 with semicircular cross sections, the anchor bars 21 are clamped between the two limiting pipes 221, and the opposite opening edges of the two limiting pipes 221 are connected through flanges or welded. When the construction method is used for construction, the anchor bars 21 are clamped between the two limiting pipes 221, and then the two limiting pipes 221 are fixedly connected, so that the construction is facilitated.

The inner and outer walls of the first restrictor pipe 221 are formed with a restricting thread. So as to increase the connection strength between the limiting pipe 22 and the anchor bar 21 and between the limiting pipe 22 and the cement mortar in the anchor bolt hole.

The positions of the anchor bars 21 in the protective layer 3 are sleeved with a plurality of connecting rings 212, the connecting rings 212 are provided with a plurality of connecting holes which are axially parallel to the radial plane of the connecting rings, and the steel bars of the steel bar mesh in the protective layer 3 penetrate through the connecting holes so as to optimize the tightness of the connection between the anchor bar 2 and the protective layer 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A dangerous rock envelope structure is characterized in that: including setting up in intercepting ditch (1) at dangerous rock side slope top and setting up in the envelope of dangerous rock side slope outer wall, envelope includes a plurality of enclosure units that distribute along road length direction, is the clearance setting between the adjacent enclosure unit, and the enclosure unit includes that a plurality of anchors set up in inoxidizing coating (3) of dangerous rock side slope in stock (2) and a plurality of stromatolite that are of dangerous rock side slope stable rock stratum, the outside inoxidizing coating (3) are provided with escape canal (10) that communicate in intercepting ditch (1), be provided with the reinforcing bar net in inoxidizing coating (3), a plurality of inoxidizing coatings (3) and fixed connection in the reinforcing bar net are worn to locate in stock (2).

2. The crisis rock envelope of claim 1, wherein: the upstream surface of the intercepting ditch (1) is provided with a plurality of water drainage holes (11).

3. The crisis rock envelope of claim 1, wherein: gaps between adjacent enclosure units are filled with asphalt to form caulking layers (4).

4. The crisis rock envelope of claim 1, wherein: the protective layer (3) is arranged in a step shape, so that at least one riding track (31) is formed on the outer wall of the protective layer, and the riding track (31) is horizontally arranged.

5. The crisis rock envelope of claim 1, wherein: the inoxidizing coating (3) of outside are provided with a plurality of vertically and horizontally staggered's rib (32), rib (32) fixed connection is in inoxidizing coating (3), stock (2) wear to establish and are fixed in the vertically and horizontally staggered portion of rib (32).

6. The crisis rock envelope of claim 1, wherein: the anchor rod (2) comprises a plurality of anchor bars (21) which are parallel to each other.

7. The crisis rock envelope of claim 6, wherein: the anchor bars (21) positioned at the lowest side are fixedly connected with a plurality of positioning brackets (211) distributed along the length direction of the anchor bars.

8. The crisis rock envelope of claim 7, wherein: it is a plurality of anchorage bar (21) overcoat is limited pipe (22), a plurality of long banding mounting holes have been seted up in limiting pipe (22), locating support (211) wear to locate mounting hole and fixed connection in anchorage bar (21), part the mounting hole corresponds and sets up between adjacent anchorage bar (21).

9. The crisis rock envelope of claim 8, wherein: a plurality of the position cover that the anchor muscle (21) is located inoxidizing coating (3) is equipped with a plurality of go-between (212), a plurality of axial directions are seted up in go-between (212) and are on a parallel with its radial planar connecting hole, the connecting hole is worn to locate by the reinforcing bar of the reinforcing bar net in inoxidizing coating (3).