CN207846436U - Ruggedized construction for loose crushing Dangerous Rock Body - Google Patents
Ruggedized construction for loose crushing Dangerous Rock Body Download PDFInfo
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- CN207846436U CN207846436U CN201721612605.1U CN201721612605U CN207846436U CN 207846436 U CN207846436 U CN 207846436U CN 201721612605 U CN201721612605 U CN 201721612605U CN 207846436 U CN207846436 U CN 207846436U
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- rock body
- dangerous rock
- ruggedized construction
- protection network
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Abstract
The utility model, which discloses, is related to a kind of ruggedized construction of Dangerous Rock Body, a kind of especially ruggedized construction for loose crushing Dangerous Rock Body, it includes protection network, grouting rock bolt, concrete strengthening mechanism, the protection network matching is arranged on Dangerous Rock Body, and protection network is embedded in concrete strengthening mechanism, described grouting rock bolt one end is arranged in Dangerous Rock Body, and the other end is connected with protection network, and the utility model provides the ruggedized construction of a kind of fastening strength height, the high loose crushing Dangerous Rock Body of working security.
Description
Technical field
The utility model is related to a kind of ruggedized constructions of Dangerous Rock Body, especially a kind of reinforcing for loose crushing Dangerous Rock Body
Structure.
Background technology
In hydraulic and hydroelectric engineering, traffic engineering, usually other than engineering works excavation slope, distribution is various differently
The Dangerous Rock Body of matter characteristic, Dangerous Rock Body belongs to a kind of special geologic body in environmental slope, and relative volume is larger, be by it is multigroup not
The cutting separation of continuous structure face, stability is poor, may by slump, fall or topple over etc. in the form of unstability geologic body.
It is present in Engineering Zone, the operation that the Dangerous Rock Body other than building excavation slope builds lower part and construction safety
It is to have apparent threat.Although from macroscopic aspect, the Dangerous Rock Body in environmental slope experienced the long-term of earth history period
Test, in the case of not by construction strong disturbance, the overall stability condition of side slope is preferable.But in long-term wind
Change, under the influence of off-load, " local stability " problem of side slope superficial layer be it is existing, especially this part slopes " uphanging " in
Building top, even local very little range is because natural cause (such as rainfall, gradual weathering) and construction factor are (such as quick-fried
Broken vibration) lead to local " Dangerous Rock Body " unstability, high-order avalanche is formed, can also bring significant threat to the construction safety of its underpart
And disaster；Runtime is also possible to bring significant damage or even catastrophic effect to lower part buildings or structures.
Currently, having the measure that some reinforce Dangerous Rock Body to have prevented avalanche, but due to the feature of Dangerous Rock Body, cause
Constructional difficulties, fastening strength is relatively low, and safety is relatively low when construction, influences the safety of construction personnel.
Utility model content
That the technical problem to be solved by the utility model is to provide a kind of fastening strengths is high, working security is high loose breaks
The ruggedized construction of broken Dangerous Rock Body.
The utility model solves the ruggedized construction that loose crushing Dangerous Rock Body is used for used by its technical problem, including protection
Net, grouting rock bolt, pneumatically placed concrete ruggedized construction, the protection network matching are arranged on Dangerous Rock Body, and protection network is embedded in spray and mixes
In solidifying soil ruggedized construction, described grouting rock bolt one end is arranged in Dangerous Rock Body, and the other end is connected with protection network.
Further, the protection network includes supporting rope skeleton, rope bolt, steel rope net, the supporting rope skeleton
Longitudinal bracing rope, cross-brace rope including multiple connections that intersect, the steel rope net is by suturing rope and supporting rope skeleton
It is connected, rope bolt one end is arranged in Dangerous Rock Body, and the other end is connected with longitudinal bracing rope, cross-brace rope.
Further, the other end of the rope bolt is provided with connection ring, longitudinal bracing rope, cross-brace rope
With being connected with rope bolt across connection ring.
Further, the steel rope net is made of the first grid, the size of the first grid is 5m × 5m.
Further, the protection network further includes grid, the grid is made of the second grid, the second grid
Size is 2m × 2m, and the grid is arranged in the centre of steel rope net.
Further, the other end of the grouting rock bolt is connected with the supporting rope skeleton of protection network.
Further, the other end of the grouting rock bolt is provided with connection crotch, longitudinal bracing rope, cross-brace rope with
Connection crotch is connected.
Further, concrete contains polypropylene fibre in pneumatically placed concrete ruggedized construction.
The utility model has the beneficial effects that：The utility model on Dangerous Rock Body by being arranged protection network, grouting rock bolt, spray
Concrete strengthening structure, protection network are embedded in pneumatically placed concrete ruggedized construction, that is to say that pneumatically placed concrete ruggedized construction is also direct
It is arranged on Dangerous Rock Body, protection network, grouting rock bolt, pneumatically placed concrete ruggedized construction all have certain reinforcement ability to Dangerous Rock Body,
Dangerous Rock Body is reinforced under the collective effect mutually reinforced, significantly enhances the reinforcement ability of Dangerous Rock Body, especially suitable for
The Dangerous Rock Body of loose crushing；Meanwhile in the construction of ruggedized construction, the construction of protection network is carried out first, then carries out grouting rock bolt
Construction, finally carry out pneumatically placed concrete ruggedized construction construction, protection network construction efficiency is fast, quickly complete protection network construction,
It prevents Dangerous Rock Body to cave in ruggedized construction work progress, effectively the construction of grouting rock bolt, pneumatically placed concrete is reinforced
The construction of structure provides safety guarantee, in grouting rock bolt construction, the construction of pneumatically placed concrete ruggedized construction, does not interfere with adjacent cells
And normal excavation, the supporting construction of lower part side slope, to significantly improve ruggedized construction working security.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is the structural schematic diagram of protection network；
Parts, position and number in figure：Dangerous Rock Body 1, protection network 2, supporting rope skeleton 21, rope bolt 22, longitudinal direction
Supporting rope 221, cross-brace rope 222, steel rope net 23, suture rope 24, grid 25, grouting rock bolt 3, pneumatically placed concrete ruggedized construction
4。
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, the utility model is in the ruggedized construction of loose crushing Dangerous Rock Body, including protection network 2, mortar anchor
Bar 3, pneumatically placed concrete ruggedized construction 4, the matching of the protection network 2 is arranged on Dangerous Rock Body 1, and protection network 2 is embedded in pneumatically placed concrete
In ruggedized construction 4,3 one end of the grouting rock bolt is arranged in Dangerous Rock Body 1, and the other end is connected with protection network 2.
The utility model on Dangerous Rock Body by being arranged protection network 2, grouting rock bolt 3, pneumatically placed concrete ruggedized construction 4, protection
Net 2 is embedded in pneumatically placed concrete ruggedized construction 4, that is to say that pneumatically placed concrete ruggedized construction 4 is also to be set up directly on Dangerous Rock Body 1,
Protection network 2, grouting rock bolt 3, pneumatically placed concrete ruggedized construction 4 all have certain reinforcement ability to Dangerous Rock Body, what is mutually reinforced
Dangerous Rock Body 1 is reinforced under collective effect, the reinforcement ability of Dangerous Rock Body 1 is significantly enhanced, especially suitable for loose crushing
Dangerous Rock Body.
Specifically, the structure of protection network 2 is varied, preferably a kind of mode is the utility model：As shown in figure 3, anti-
Protecting wire net 2 includes supporting rope skeleton 21, rope bolt 22, steel rope net 23, and the supporting rope skeleton 21 includes multiple intersects
Longitudinal bracing rope 221, the cross-brace rope 222 of connection, the steel rope net 23 are connected by suturing rope 24 with supporting rope skeleton 21
It connects, 22 one end of rope bolt is arranged in Dangerous Rock Body 1, and the other end is connected with longitudinal bracing rope 221, cross-brace rope 222.
It is connect with supporting rope skeleton 21 in order to facilitate rope bolt 22, one end of rope bolt 22 is provided with connection annulus, indulged
It is connected to supporting rope 221, the matching of cross-brace rope 222 with rope bolt 22 across connection ring.It is obtained according in a large amount of practices
Come, steel rope net 23 is made of the first grid, and the size of the first grid is 5m × 5m.Some are dissipated with broken Dangerous Rock Body 1, is existed
Smaller size, in order to prevent the rock of the part small size fall, the utility model protection network 2 is additionally provided with grid 25,
The grid 25 is made of the second grid, and the size of the second grid is 2m × 2m, and the grid 25 is arranged in steel rope net 23
Centre.Specially：Rope bolt 22 is generally folded to form using 1 Φ 16mm steel cable, array pitch 5.0m × 5.0m, deeply
2.0m in Dangerous Rock Body 1, exposed parts form annulus, and longitudinal bracing rope 221 and cross-brace rope 222 pass through, longitudinal bracing
It is 5.0m × 5.0m that rope 221 and cross-brace rope 222, which use Φ 16mm steel wire ropes, the every size of steel rope net 23,.Crisscross
φ 16mm cross-braces rope 222 and φ 16mm longitudinal bracings rope 221 and rope bolt 22 are linked and carry out pre- tensioning, every
Steel rope net 23 is coupled and tenses with 24 suture of surrounding suture rope, which can make system impose certain normal direction to slope surface
Preload pressure prevents the generation of collapse rock-fall and by fraction falling rocks as much as possible to improve the stability of surface layer Rock And Soil
It is limited in certain space and moves.
3-5m in Dangerous Rock Body 1 is goed deep into one end of grouting rock bolt 3, and the other end is connected with the supporting rope skeleton 21 of protection network 2,
Dangerous Rock Body 1 can be reinforced by being provided with one in this way, and two it can reinforce fixed effect to protection network 2.In order to facilitate sand
The connection for starching anchor pole 3 and supporting rope skeleton 21 is provided with connection crotch in the other end of grouting rock bolt 3, longitudinal bracing rope 221,
Cross-brace rope 222 is connected with crotch is connect.
Polypropylene fibre intensity height, light weight, so concrete contains polypropylene fibre in pneumatically placed concrete ruggedized construction 4,
Oil content is 0.9kg/m3, the mode of injection can be used in pneumatically placed concrete ruggedized construction 4.
The construction method of the ruggedized construction of the loose crushing Dangerous Rock Body of the utility model carries out the construction of protection network 2 first,
The construction of grouting rock bolt 3 is carried out again, finally carries out the construction of pneumatically placed concrete ruggedized construction 4.2 construction efficiency of protection network is fast, quickly
It completes protection network 2 and constructs in ground, it is therefore prevented that Dangerous Rock Body 1 caves in ruggedized construction work progress, effectively to grouting rock bolt 3
Construction, pneumatically placed concrete ruggedized construction 4 construction provide safety guarantee, grouting rock bolt construct 3, pneumatically placed concrete ruggedized construction 4
When construction, adjacent cells and normal excavation, the supporting construction of lower part side slope are not interfered with, is applied to significantly improve ruggedized construction
Work safety.
The Specific construction process of protection network 2 is：1, the surface dust that construction safety is threatened in 1 slope protection region of Dangerous Rock Body is removed
And float stone, local landform (the local accumulation body and convex played being unfavorable for normal function after construction and installation and the installation of influence system
Play body etc.) suitably modified；
2, it is long not less than 22 exposed ring set of rope bolt to dig a depth at each hole position for the construction of rope bolt 22
The pit of degree, general bore 20cm, deep 20cm, at partial bores position because stratum is loose or it is broken due to be unable to pore-forming when, can adopt
C15 concrete foundations displacement with cross dimensions not less than 0.4 × 0.4m is unable to the ground section of pore-forming.Slip casting is simultaneously inserted into anchor pole, uses
Label is not less than the cement mortar of M20, preferably uses cement-sand ratio 1:1~1.2, the cement mortar or the ratio of mud of the ratio of mud 0.45~0.50
0.45~0.50 neat slurry, cement preferably use 42.5 Portland cements, preferential to select grain size thin no more than in 3mm
Sand, it is ensured that slurries are full, injecting cement paste maintenance no less than three days before carrying out next process；
3, installation supporting rope skeleton 21；
4, paving hangs steel rope net 23 from the top down, and steel rope net 23 is connected by suturing rope 24 with supporting rope skeleton 21.
3 Specific construction process of grouting rock bolt is：Grouting rock bolt 3 uses grouting rock bolt, L=6m the and Φ 32mm sand of Φ 28mm
Starch anchor pole, L=9m, arranged for interval.3 exposed 45cm of grouting rock bolt forms crotch, longitudinal bracing rope 221 and cross-brace rope 222
It passes through.
4 Specific construction process of pneumatically placed concrete ruggedized construction is：Pneumatically placed concrete ruggedized construction 4 uses blown polypropylene fibrin tissue adhesive,
Polypropylene fibre, volume 0.9kg/m are added in side slope pneumatically placed concrete3, polypropylene fiber shotcrete use wet shot method, mix
It is evenly distributed as determining standard with the time with ensureing microfibre in concrete.
Claims (7)
1. the ruggedized construction for loose crushing Dangerous Rock Body, it is characterised in that：It is mixed including protection network (2), grouting rock bolt (3), spray
Solidifying soil ruggedized construction (4), protection network (2) matching is arranged on Dangerous Rock Body (1), and protection network (2) is embedded in pneumatically placed concrete
In ruggedized construction (4), described grouting rock bolt (3) one end is arranged in Dangerous Rock Body (1), and the other end is connected with protection network (2).
2. a kind of ruggedized construction for loose crushing Dangerous Rock Body as described in claim 1, it is characterised in that：The protection network
(2) include supporting rope skeleton (21), rope bolt (22), steel rope net (23), the supporting rope skeleton (21) includes multiple phases
Longitudinal bracing rope (221), the cross-brace rope (222) of mutual interconnection, the steel rope net (23) is restricted (24) by suture and branch
Support rope skeleton (21) is connected, and rope bolt (22) one end is arranged in Dangerous Rock Body (1), the other end and longitudinal bracing rope
(221), cross-brace rope (222) is connected.
3. a kind of ruggedized construction for loose crushing Dangerous Rock Body as claimed in claim 2, it is characterised in that：The steel wire rope
The other end of anchor pole (22) is provided with connection ring, longitudinal bracing rope (221), cross-brace rope (222) matching across connection ring with
Rope bolt (22) is connected.
4. a kind of ruggedized construction for loose crushing Dangerous Rock Body as claimed in claim 2, it is characterised in that：The steel rope net
(23) it is made of the first grid, the size of the first grid is 5m × 5m.
5. a kind of ruggedized construction for loose crushing Dangerous Rock Body as claimed in claim 4, it is characterised in that：The protection network
(2) further include grid (25), the grid (25) is made of the second grid, and the size of the second grid is 2m × 2m, described
Grid (25) is arranged in the centre of steel rope net (23).
6. a kind of ruggedized construction for loose crushing Dangerous Rock Body as claimed in claim 2, it is characterised in that：The mortar anchor
The other end of bar (3) is connected with the supporting rope skeleton (21) of protection network (2).
7. a kind of ruggedized construction for loose crushing Dangerous Rock Body as claimed in claim 6, it is characterised in that：The mortar anchor
The other end of bar (3) is provided with connection crotch, longitudinal bracing rope (221), cross-brace rope (222) and connect crotch and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721612605.1U CN207846436U (en) | 2017-11-27 | 2017-11-27 | Ruggedized construction for loose crushing Dangerous Rock Body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721612605.1U CN207846436U (en) | 2017-11-27 | 2017-11-27 | Ruggedized construction for loose crushing Dangerous Rock Body |
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| Publication Number | Publication Date |
|---|---|
| CN207846436U true CN207846436U (en) | 2018-09-11 |
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ID=63422908
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721612605.1U Active CN207846436U (en) | 2017-11-27 | 2017-11-27 | Ruggedized construction for loose crushing Dangerous Rock Body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869143A (en) * | 2017-11-27 | 2018-04-03 | 中国电建集团成都勘测设计研究院有限公司 | Ruggedized construction for loose crushing Dangerous Rock Body |
-
2017
- 2017-11-27 CN CN201721612605.1U patent/CN207846436U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869143A (en) * | 2017-11-27 | 2018-04-03 | 中国电建集团成都勘测设计研究院有限公司 | Ruggedized construction for loose crushing Dangerous Rock Body |
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