CN108396752A - A kind of assembled side slope protection flexible net and its construction method - Google Patents
A kind of assembled side slope protection flexible net and its construction method Download PDFInfo
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- CN108396752A CN108396752A CN201810258571.3A CN201810258571A CN108396752A CN 108396752 A CN108396752 A CN 108396752A CN 201810258571 A CN201810258571 A CN 201810258571A CN 108396752 A CN108396752 A CN 108396752A
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- tension rope
- flexible
- side slope
- anchor pole
- flexible protective
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/202—Securing of slopes or inclines with flexible securing means
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a kind of assembled side slope protection flexible nets, including lateral tension rope, longitudinal tension rope, anchor pole and spud pile；The transverse direction tension rope is more, and the both ends of the transverse direction tension rope are connect with anchor pole respectively；The upper end of the longitudinal direction tension rope is connect with spud pile；The longitudinal direction tension rope is orthogonal with lateral tension rope, and the intersection of the two links together, and forms support dictyosome；Further include several flexible protective units, the flexible protective unit is in the tubular spiral bar material of helical；Adjacent two flexible protectives unit is placed above and below along slope surface, and the lower part for the flexible protective unit being located above is Chong Die with the underlying top of flexible protective unit, forms overlay region；The transverse direction tension rope passes through the overlay region.Its construction method is that bolthole-anchor pole is beaten in preparation of construction-point is put in measurement-and the paving of spud pile installation-assembled side slope protection flexible net is hung and spliced.
Description
Technical field
The invention belongs to Journal of Geological Hazards and Environment Preservation fields, and in particular to a kind of assembled side slope protection flexible net and its
Construction method.
Background technology
Since human resource exploits being on the increase for behavior and mountain road transport development, it is steep to produce a large amount of exposed urgency
Rock side slope.Exposed rock mass such as is not only susceptible to falling rocks, caves in and come down at the geological disasters, causes some potential safety problems,
And destroy original environment and the ecosystem.Existing slope protection measures are mainly arched framework stone-laying or grid network framework
The protection of stone-laying combination grass planting, the protection of geotechnical grid grass planting etc..Although durability is preferable, cost height, narrow application range, construction are multiple
Miscellaneous, rainy season easily causes impeded drainage and makes somebody a mere figurehead, and inside, which easy tos produce coombe, influences the protection effect of structure.As people are to slope surface
The continuous research of geological hazard control and protection, side slope protective screen slowly come into the visual field of people, and rapidly develop immediately.Mesh
Before, the side slope protective screen used in domestic slope protection project can be divided mainly into active protecting net system and passive protection net system
Two kinds：Active protecting net system be to based on wire rope net the covering of all kinds of flexible nets or be wrapped in the slope that need to be protected or rock
Shi Shang plays the role of reinforcement effect and goes along with sb. to guard him to limit weathering off or destruction and the crag avalanche of slope surface Rock And Soil.Passively
Guard system be by wire rope net, high intensity iron wire grid, anchor pole, steel I-column, upper drop-down anchor line, Energy eliminating ring, pedestal and
The components such as upper and lower supporting rope are constituted, and form slope protection to the region protected plays side to prevent the tenesmus of avalanche rock
The effect of slope protection.
Although side slope protective screen in terms of the slope controlling disaster in achieve certain achievement, the side slope protection of the prior art
Netcom weaves frequently with flexible wire ropes, and not only factory's production process is cumbersome, but also site operation needs a large amount of manpowers to carry out
Binding connection between component, it is time-consuming and laborious, labor intensity is big.Flexible net is chronically exposed in air, by rain of exposing to the weather
After leaching, steel wire rope, which is rusted, will appear fracture, lose to the Support Function of rock mass, and every block of flexible net component by steel wire rope with
The interspersed binding of adjacent members is integral, and it is cumbersome to remove replacement.If in addition, although the gap of netting is larger can to prevent bulk
Native stone fall, can not but prevent the native stone of smaller piece；It can be effectively prevented native stone if the gap of netting is smaller and fall, but
It can not ensure that vegetation has sufficient space to be grown.
Invention content
For deficiencies of the prior art, the purpose of the present invention is to provide one kind by larger stress and to answer
The assembled side slope protection flexible net that becomes and can simply be repaired in the case of destroying, and corresponding its construction party of offer
Method.
To achieve the goals above, the technical solution adopted by the present invention is as follows：
A kind of assembled side slope protection flexible net, including lateral tension rope, longitudinal tension rope, anchor pole and spud pile；It is described
Lateral tension rope is more, is placed horizontally at side slope surface without overlapping, the both ends of the transverse direction tension rope respectively with anchor pole
Connection；The upper end of the longitudinal direction tension rope is connect with spud pile, and lower end edge slope surface extends downwardly；The longitudinal direction tension rope and transverse direction
Tension rope is orthogonal, and the intersection of the two links together, and forms support dictyosome；It is characterized in that, further including several flexible anti-
Unit is protected, the flexible protective unit is in the tubular spiral bar material of helical；The flexible protective unit is placed on the side slope
Surface, axis horizontal setting, adjacent two flexible protectives unit places above and below along slope surface, and what is be located above is described flexible anti-
The lower part for protecting unit is Chong Die with the underlying top of flexible protective unit, forms overlay region；The transverse direction tension rope
Across the overlay region, adjacent two flexible protectives unit is linked together, forms assembled side slope protection flexible net.
Further, the flexible protective unit is spliced by several substantially flexible protective units.
Further, the substantially flexible protective unit is tubular in helical, and helical is provided at both ends with external screw thread；It is adjacent
The two substantially flexible protective units are linked together by screw threads for fastening fixture, so that the adjacent two substantially flexible protection is single
The axis of member overlaps, several substantially flexible protective unit head and the tail are in turn connected to form the flexible protective unit.
Further, the section of the flexible protective unit is rounded, oval or polygon.
Further, the intersection of longitudinal tension rope and lateral tension rope is fixed together by cross lock.
Further, the both ends of the lateral tension rope are connect by U-shaped fastener with the anchor pole.
Further, at least four intersections of longitudinal tension rope and lateral tension rope are provided with anchor pole, the anchor pole
Lower part be provided with backing plate, opened on the backing plate there are two orthogonal groove, the transverse direction tension rope and longitudinal tension rope pass through U
Type fastener connects, and is positioned in the groove, to improve skid resistance.
Further, the line apart from four farthest anchor poles of slope protection flexible net center is rectangular, at this
Rectangle is provided centrally with center anchor pole, and oblique tension rope is connected between the center anchor pole and aforementioned four anchor pole.
Above-mentioned lateral, longitudinal tension rope is made of tensile materials, such as metal, fibrous material, resin material.Oblique tension
Rope can be used material identical as laterally, longitudinal tension rope and manufacture.
A kind of construction method of above-mentioned assembled side slope protection flexible net, includes the following steps：
1) surface dust and float stone in slope protection region are removed, and modifies earth surface of side slope；Anchor is determined further according to side slope landform
Rod aperture position and spud pile installation site.
2) spud pile is buried at the top of side slope；By projected depth drilling anchor rod hole and borehole cleaning, it is inserted into anchor pole and slip casting, makes note
Slurry reaches predetermined strength, to improve the frictional force between the country rock of crack.
3) the flexible protective unit is laterally laid on side slope face, by each basic of the same flexible protective unit
Flexible protective unit head and the tail overlap joint is simultaneously connected by the screw threads for fastening fixture, and the flexible protective unit is constituted.
4) multiple flexible protective units are sequentially placed from top to bottom, and adjacent two flexible protectives unit is made to be located above
The lower part of the flexible protective unit is Chong Die with the underlying top of flexible protective unit, forms overlay region；By institute
It states lateral tension rope and passes through the overlay region, adjacent two flexible protectives unit is linked together, then by the transverse direction tension
The both ends of rope are separately fixed on the anchor pole.
5) upper end of longitudinal tension rope is connect in the vertical direction with spud pile, makes the lower end of longitudinal tension rope to downward
It stretches, is fixed using cross lock in lateral tension rope and longitudinal tension rope intersection location.
6) anchor pole is set at least four intersections of longitudinal tension rope and lateral tension rope, makes to be located at the intersection
Lateral tension rope and longitudinal tension rope pass through roof bolt plate, and be fixedly connected with anchor pole by U-shaped fastener.
7) step 3) -6 is repeated), until the assembled side slope protection flexibility net laying for being paved with entire side slope face is hung into.
In step 6), keep the line apart from four farthest anchor poles of slope protection flexible net center rectangular,
The center installation center anchor pole of the rectangle will connect oblique tension rope between the center anchor pole and aforementioned four anchor pole.
Integrated structure includes the prefabricated basic unit part of helically spring-like, the connector (spiral shell between each basic unit part
Line fastening clips), it is coupled the tension rope of cell cubes at different levels, for the anchor pole of cell cube anchoring, cross lock, U-shaped fastener etc..
Several prefabricated unit parts are set in the side slope face that need to be protected, is connected by the connector between the unit piece, constitutes top
Cell cube；The lower unit body that upper unit body and same method are built is connected integral by lateral tension rope；In vertical side
It is equally fixedly connected upwards using tension rope, the spud pile good with pre-plugged is connect at the top of longitudinal tension rope；In transverse direction
It is fixed using cross lock with longitudinal tension rope intersection location, horizontal and vertical tension rope is by U-shaped fastener and has buried
Anchor pole is fixedly connected；Next stage cell cube is built successively and is coupled with upper level cell cube, and formation is paved with the soft of entire side slope face
Property web frame.Cell cubes at different levels are more easily damaged due to bearing main sliding force (impact force), but because basic unit part is
Interrupted, therefore only need to replace the partial demolition being damaged when safeguarding.Meanwhile the present invention also provides above-mentioned flexibilities
The construction method of net has many advantages, such as quick, small investment of constructing.This flexibility web frame has and will not be caused to massif environment around
It influences, while effectivelying prevent the geological disasters such as shallow failure, falling rocks, ensures that vegetation fully grows, structure construction is convenient and efficient,
Economize on resources, quality is easy to control, it is cheap, can be achieved be factory produced etc. advantages.
Compared with prior art, the present invention has the advantages that：
1, rock mass itself stress-strain characteristics are made full use of.Do not consider that rock mass is occurring to break based on existing protecting screen structure
The ability destroyed itself is resisted before bad, the present invention considers that lower skating area slope rock mass own wt can offset part sliding force, then
The flexible web frame overall coordination effect of the cooperation present invention gives full play to before the two reaches ess-strain destruction critical point
The protection effect of flexible web frame, improves stock utilization.
2, protection effect is good.It is small etc. excellent that the present invention has given full play to assembled flexible network process simple, quick construction, deformation
Gesture fits together basic unit part by connector, then is fixed into integral protection web frame by the series connection of tension rope, makes stress
It is decomposed well.The present invention does not allow integrally to be also easy to produce larger displacement, to improve impact resistance, adds and has changed protection effect
Fruit.
3, safeguard that speed is fast and at low cost.Replacement based on existing protection network damaged component is cumbersome, the present invention provides
A kind of Simple detachable formula side slope protection flexible net is replaced, it can be achieved that destroying the fast quick-detach of component, and material can return factory's remodeling, realize
The recycling of resource, effectively reduces cost.To prevent material corrosion from influencing the service life of material, it is prefabricated in the factory each
It is handled using nickel-plating technology when part, substantially increases the ability of material anti-corrosion.
4, short construction period.The connection method of unit piece provided by the invention and cell cube system at different levels, it is easy to operate easy
Row, can effectively reduce construction cost, increase the recoverability of structure, improve construction speed, reduce construction period.
5, vegetation deterioration is few and has a wide range of application.The present invention is spliced by cell cube scene, can be avoided big tree in side slope and be planted
While the larger growth for not interfering with herbosa of structure interval.It is equilateral to can be widely applied to highway, shore protection, dike bank, reservoir
Slope engineering field.
Description of the drawings
Fig. 1 is the lateral tension rope and flexible protective unit connection structure figure of the present invention；
Fig. 2-a are the structural schematic diagram of the rounded flexible protective unit in section；
Fig. 2-b are the structural schematic diagram of the flexible protective unit of ellipsoidal cross section；
Fig. 2-c are the structural schematic diagram for the flexible protective unit that section assumes diamond in shape；
Fig. 3 is the structural schematic diagram of screw threads for fastening fixture；
Fig. 4 is the assembling schematic diagram of cross lock；
Fig. 5 is U-shaped fastener constructions schematic diagram；
Fig. 6 is a kind of diagram of bowing of assembled side slope protection flexible net；
Fig. 7 is the diagram of bowing of another assembled side slope protection flexible net；
Fig. 8 is the assembling structure schematic diagram of backing plate；
Fig. 9 is the application example schematic diagram of the present invention；
Figure 10 is the structural schematic diagram when present invention deforms upon.
In attached drawing：1-flexible protective unit；21-lateral tension ropes；22-longitudinal tension ropes；23-oblique tension ropes；
5-backing plates；6-anchor poles；7-spud piles；8-crosses latch.
Specific implementation mode
With reference to specific embodiment, invention is further described in detail.
A kind of assembled side slope protection flexible net, as shown in Fig. 1,6,7,9, including lateral tension rope 21, longitudinal tension rope
22, anchor pole 6 and spud pile 7；The transverse direction tension rope 21 is more, is placed horizontally at side slope surface, the cross without overlapping
It is connect respectively with anchor pole 6 to the both ends of tension rope 21；The upper end of the longitudinal direction tension rope 22 is connect with spud pile 7, lower end edge slope
Extend downwards；The longitudinal direction tension rope 22 is orthogonal with lateral tension rope 21, and the intersection of the two links together, and forms branch
Support dictyosome；It is characterized in that, further including several flexible protective units 1, the flexible protective unit 1 is in the tubular spiral of helical
Muscle material；The flexible protective unit 1 is placed on the surface of the side slope, axis horizontal setting, adjacent two flexible protectives unit 1
It is placed above and below along slope surface, the lower part for the flexible protective unit 1 being located above and the underlying flexible protective unit
1 top overlapping, forms overlay region；The transverse direction tension rope 21 passes through the overlay region, by adjacent two flexible protectives unit 1
It links together, forms assembled side slope protection flexible net.
As an optimization, the flexible protective unit 1 is spliced by several substantially flexible protective units.
As an optimization, the substantially flexible protective unit is tubular in helical, and helical is provided at both ends with external screw thread；It is adjacent
The two substantially flexible protective units are linked together by screw threads for fastening fixture, so that the adjacent two substantially flexible protection is single
The axis of member overlaps, several substantially flexible protective unit head and the tail are in turn connected to form the flexible protective unit.Wherein, screw thread
Fastening clips can select different type according to execution conditions, as shown in Figure 3.
As an optimization, the section of the flexible protective unit 1 can be made into various shapes as needed, and such as circle is (see Fig. 2-
A), oval (see Fig. 2-b) or polygon are (as schemed (see diamond shape etc. shown in Fig. 2-c).
As an optimization, longitudinal tension rope 22 and the intersection of lateral tension rope 21 are fixed on by cross lock (8)
Together.In practical applications, there are many forms for the structure of cross lock, and common type shown in fig. 5 can be used.
As an optimization, the both ends of the lateral tension rope 21 are connect by U-shaped fastener with the anchor pole 6.
As an optimization, longitudinal tension rope 22 and at least four intersections of lateral tension rope 21 are provided with anchor pole 6, institute
The lower part for stating anchor pole 6 is provided with backing plate 5, is opened on the backing plate 5 there are two orthogonal groove, the transverse direction tension rope 21 and longitudinal
Tension rope 22 is connected by U-shaped fastener, and is positioned in the groove, to improve skid resistance.
As an optimization, the line apart from four farthest anchor poles 6 of slope protection flexible net center is rectangular, at this
Rectangle is provided centrally with center anchor pole, and oblique tension rope 23 is connected between the center anchor pole and aforementioned four anchor pole 6.Anchor
The distribution of bar 6 needs to may be designed as different type according to scene, such as rectangle (as shown in Figure 6) or quincunx (as shown in Figure 7).
A kind of construction method of above-mentioned assembled side slope protection flexible net, includes the following steps：
1) surface dust and float stone in slope protection region are removed in order to avoid threatening construction safety, while modifying earth surface of side slope, i.e.,
It is suitably modified on being unfavorable for construction and installation and influencing the local landform that normal function plays after flexible web frame is installed；Root again
7 installation site of bolthole position and spud pile is determined according to side slope landform.Within the scope of the adjustment amount that pitch of holes allows, as far as possible low
Recess selectes bolthole position.
2) spud pile 7 is buried at the top of side slope；By projected depth drilling anchor rod hole and borehole cleaning, it is inserted into anchor pole 6 and slip casting, is made
Injecting cement paste reaches predetermined strength, to improve the frictional force between the country rock of crack.
It is ensured that slurries are full when slip casting, (injecting cement paste maintenance is no less than before carrying out next process for the maintenance of injecting cement paste
Three days).Until after injecting cement paste reaches some strength, the force environment of 6 surrounding country rock of anchor pole can be changed, crack country rock is improved
Between frictional force.
3) the flexible protective unit 1 is laterally laid on side slope face, by each base of the same flexible protective unit 1
This flexible protective unit head and the tail overlap joint is simultaneously connected by the screw threads for fastening fixture figure, and the flexible protective unit 1 is constituted.
4) multiple flexible protective units 1 are sequentially placed from top to bottom, and adjacent two flexible protectives unit 1 is made to be located above
The flexible protective unit 1 lower part it is Chong Die with the top of the underlying flexible protective unit 1, formed overlay region；
The lateral tension rope 21 is passed through into the overlay region, adjacent two flexible protectives unit 1 is linked together, then by the cross
It is separately fixed on the anchor pole 6 to the both ends of tension rope 21.
5) it is to improve integrally-built stability, in the vertical direction connects the upper end of longitudinal tension rope 22 with spud pile 7
It connects, the lower end of longitudinal tension rope 22 is made to extend downwardly, cross is used in lateral tension rope 21 and longitudinal 22 intersection location of tension rope
Lock is fixed.
6) anchor pole 6 is set in the longitudinal direction tension rope 22 and at least four intersections of lateral tension rope 21, makes to be located at and is somebody's turn to do
The lateral tension rope 21 of intersection and longitudinal tension rope 22 pass through backing plate 5, and are fixedly connected with anchor pole by U-shaped fastener.
7) step 3) -6 is repeated), until the assembled side slope protection flexibility net laying for being paved with entire side slope face is hung into, such as scheme
6, shown in 7,9.
In step 6), keep the line apart from four farthest anchor poles of slope protection flexible net center rectangular,
The center installation center anchor pole of the rectangle will connect oblique tension rope 23 between the center anchor pole and aforementioned four anchor pole 6.
After the completion of present invention paving is hung, as shown in Figure 9.When the generation of the disasters such as shallow failure, avalanche, falling rocks, load action
When on flexible web frame, as shown in Figure 10, since each flexible protective unit 1 itself tubular in helical allows slightly
Degree deformation, simultaneously because fixed by screw threads for fastening fixture between substantially flexible protective unit, then it is integral by the series connection of tension rope
Synergistic effect, effectively reduces the sliding force (impact force) of slip mass (falling rocks).This processing method gives full play to spiral bar material
The strength of materials, improve the utilization rate of overall construction intensity.More importantly the method for the present invention can overcome general side slope anti-
Protecting wire net production process is cumbersome, site operation is time-consuming and laborious, be damaged after be difficult to repair, destroy ecology the defects of.Prefabricated component factory
Mass production avoids the braiding of existing protection network complexity；Live directly assembled, constructing operation is simple, improves construction effect
Rate shortens the construction period；When being caused local compliance net deformation failure by larger stress or generation large strain, due to structure
It is interrupted at the basic unit part of flexible web frame, therefore only needs to replace the partial demolition being damaged when safeguarding, no
It needs all to remove total, has achieved the effect that ensure to save economic cost while construction quality.
The above embodiment of the present invention is only example to illustrate the invention, and is not the implementation to the present invention
The restriction of mode.For those of ordinary skill in the art, other can also be made not on the basis of the above description
With the variation and variation of form.Here all embodiments can not be exhaustive.It is every to belong to technical scheme of the present invention
Row of the changes and variations that derived from still in protection scope of the present invention.
Claims (10)
1. a kind of assembled side slope protection flexible net, including lateral tension rope, longitudinal tension rope, anchor pole and spud pile；The cross
It is more to tension rope, is placed horizontally at side slope surface without overlapping, the both ends of the transverse direction tension rope connects with anchor pole respectively
It connects；The upper end of the longitudinal direction tension rope is connect with spud pile, and lower end edge slope surface extends downwardly；The longitudinal direction tension rope resists with lateral
Drag-line is orthogonal, and the intersection of the two links together, and forms support dictyosome；It is characterized in that, further including several flexible protectives
Unit, the flexible protective unit are in the tubular spiral bar material of helical；The flexible protective unit is placed on the side slope
Surface, axis horizontal setting, adjacent two flexible protectives unit are placed above and below along slope surface, the flexible protective being located above
The lower part of unit is Chong Die with the underlying top of flexible protective unit, forms overlay region；The transverse direction tension rope is worn
The overlay region is crossed, adjacent two flexible protectives unit is linked together, forms assembled side slope protection flexible net.
2. assembled side slope protection flexible net according to claim 1, which is characterized in that if the flexible protective unit by
A dry substantially flexible protective unit is spliced.
3. assembled side slope protection flexible net according to claim 2, which is characterized in that the substantially flexible protective unit
Tubular in helical, helical is provided at both ends with external screw thread；The adjacent two substantially flexible protective unit is pressed from both sides by screw threads for fastening
Tool links together, so that the axis of the adjacent two substantially flexible protective unit overlaps, several substantially flexible protective units
Head and the tail are in turn connected to form the flexible protective unit.
4. assembled side slope protection flexible net according to claim 1, which is characterized in that the flexible protective unit is cut
Face is rounded, oval or polygon.
5. assembled side slope protection flexible net according to claim 1, which is characterized in that the longitudinal direction tension rope and transverse direction
The intersection of tension rope is fixed together by cross lock.
6. assembled side slope protection flexible net according to claim 1, which is characterized in that the both ends of the transverse direction tension rope
It is connect with the anchor pole by U-shaped fastener.
7. assembled side slope protection flexible net according to claim 1, which is characterized in that the longitudinal direction tension rope and transverse direction
At least four intersections of tension rope are provided with anchor pole, and the lower part of the anchor pole is provided with backing plate, opened on the backing plate there are two
Orthogonal groove, the transverse direction tension rope is connected with longitudinal tension rope by U-shaped fastener, and is positioned in the groove, with
Improve skid resistance.
8. assembled side slope protection flexible net according to claim 7, which is characterized in that protect flexible net apart from the slope
The line of four farthest anchor poles of center is rectangular, and center anchor pole, the center anchor pole are provided centrally in the rectangle
Oblique tension rope is connected between aforementioned four anchor pole.
9. a kind of construction method of assembled side slope protection flexible net as claimed in claim 2, which is characterized in that including following
Step：
1) surface dust and float stone in slope protection region are removed, and modifies earth surface of side slope；Bolthole is determined further according to side slope landform
Position and spud pile installation site；
2) spud pile is buried at the top of side slope；By projected depth drilling anchor rod hole and borehole cleaning, it is inserted into anchor pole and slip casting, makes injecting cement paste
Reach predetermined strength, to improve the frictional force between the country rock of crack；
3) the flexible protective unit is laterally laid on side slope face, by each substantially flexible of the same flexible protective unit
Protective unit head and the tail overlap joint is simultaneously connected by the screw threads for fastening fixture, and the flexible protective unit is constituted；
4) multiple flexible protective units are sequentially placed from top to bottom, and it is described so that adjacent two flexible protectives unit is located above
The lower part of flexible protective unit is Chong Die with the underlying top of flexible protective unit, forms overlay region；By the cross
The overlay region is passed through to tension rope, adjacent two flexible protectives unit is linked together, then by the transverse direction tension rope
Both ends are separately fixed on the anchor pole；
5) upper end of longitudinal tension rope is connect in the vertical direction with spud pile, the lower end of longitudinal tension rope is made to extend downwardly,
It is fixed using cross lock in lateral tension rope and longitudinal tension rope intersection location；
6) anchor pole is set at least four intersections of longitudinal tension rope and lateral tension rope, makes the cross positioned at the intersection
Roof bolt plate is passed through to tension rope and longitudinal tension rope, and is fixedly connected with anchor pole by U-shaped fastener；
7) step 3) -6 is repeated), until the assembled side slope protection flexibility net laying for being paved with entire side slope face is hung into.
10. the construction method of assembled side slope protection flexible net according to claim 9, which is characterized in that in step 6),
Keep the line apart from four farthest anchor poles of slope protection flexible net center rectangular, in the installation of the center of the rectangle
Heart anchor pole will connect oblique tension rope between the center anchor pole and aforementioned four anchor pole.
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| CN201810258571.3A CN108396752A (en) | 2018-03-27 | 2018-03-27 | A kind of assembled side slope protection flexible net and its construction method |
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| CN201810258571.3A CN108396752A (en) | 2018-03-27 | 2018-03-27 | A kind of assembled side slope protection flexible net and its construction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487802A (en) * | 2018-10-26 | 2019-03-19 | 中铁二院成都勘察设计研究院有限责任公司 | A kind of wide processing method of roadbed side |
| CN110387892A (en) * | 2019-07-25 | 2019-10-29 | 西宁特殊钢股份有限公司 | A kind of multiple method for green of ladder bed structure |
| CN116290020A (en) * | 2023-03-21 | 2023-06-23 | 重庆交通大学 | Geotechnical grid three-dimensional net slope protection structure and construction method thereof |
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Application publication date: 20180814 |