CN106436724A - Root-anchor system reinforcing ecological slope protection method for fill slope - Google Patents
Root-anchor system reinforcing ecological slope protection method for fill slope Download PDFInfo
- Publication number
- CN106436724A CN106436724A CN201610993784.1A CN201610993784A CN106436724A CN 106436724 A CN106436724 A CN 106436724A CN 201610993784 A CN201610993784 A CN 201610993784A CN 106436724 A CN106436724 A CN 106436724A
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- Prior art keywords
- slope
- embankment
- anchor
- drag
- line
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Classifications
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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
Abstract
The invention provides a root-anchor system reinforcing ecological slope protection method for a fill slope. Firstly, multiple lines of reinforcing steel bar anchor rods are embedded in the surface of an existing hard side slope in the slope direction, concrete slab anchor heads are poured at the positions of the tops, exposed out of the surface of the hard side slope, of the anchor rods, and a fixed pulley with the rotation direction in the downhill direction is installed on each concrete slab anchor head; meanwhile, a banket retaining wall is constructed at the position of the toe of the hard side slope; and a pull rope is wound around each fixed pulley, one end of each pull rope is perpendicularly stretched to the designed slope surface height of the fill, and the other end of each pull rope is then wound around the other fixed pulleys, in the same line with the corresponding fixed pulley and located below the corresponding fixed pulley in the slope direction, so as to be embedded in and fixed to the back face of the retaining wall, the end, corresponding to the last anchor rod in each line of anchor rods in the slope direction, of the corresponding pull rope is directly embedded in and fixed to the back face of the retaining wall, filling is conducted till the designed slope surface height, concrete lattice girders are constructed, and the tip, perpendicularly stretched to the fill slope height, of each pull rope is anchored after being pulled and tensioned. By means of the method, deep reinforcing and ecological protection of the fill slope can be achieved.
Description
Technical field
Slope project field of the present invention and in particular to a kind of utilization root anchor system reinforce embankment side slope method.
Background technology
Very steep slope project for the gradient, at present mainly by spread grass seeds, turfing, hydraulic sprinkle grass planting, three
The methods such as dimension grass planting on net, lattice beam framework grass planting carry out ecological protection.But these ecological bank protecting methods can only play draft plants
The geo-grid reinforcement of thing shallow-layer root system acts on it is difficult to reinforce the potential deeper sliding surface of side slope.In some slags and solid waste
In thing embankment slope project, due to landfill side's thicker soil, the landslide of filling body, the life of herbaceous plant shallow-layer root system also can be formed
State bank protecting method is difficult to reinforce and arrives sliding surface.And in China large-area this specially mountain area of looks and Dry-hot Valley Area, by
In side slope precipitous, land occupation condition is difficult to set up, water holding soil conservation difficulty is big, ecological revetment and vegetation plantation are extremely difficult.
Content of the invention
In order to overcome the shortcomings of existing slope project ecological protection technology, the present invention provides a kind of root anchor system to reinforce and fills out
The ecological bank protecting method of Fang Bianpo, to realize deep-layer reinforcing and the ecological protection of embankment side slope.
For the purpose of the present invention, the present invention provides a kind of anchor system to reinforce the ecological bank protecting method of embankment side slope：First
Bury some row reinforced anchor bolts along slope aspect on original hard side slope surface, expose in anchor pole and pour at the top of hard side slope surface
Build concrete slab anchor head, a rotation direction is installed on each concrete slab anchor head along the fixed pulley of inclined slope aspect, simultaneously hard
Build spats barricade at matter side slope toe, each fixed pulley piece flexible cable of outfit, this fixed pulley of described guy cable rounds, one
The domatic height that end stretched vertically designs to embankment, the other end with this fixed pulley same column and is located at slope below this fixed pulley further around mistake
To fixed pulley bury be fixed on the barricade back side, each column anchor pole is along the drag-line of last corresponding fixed pulley of root anchor pole of slope aspect
This one end is directly buried and is fixed on the barricade back side, and then embankment is to designing domatic height, builds concrete lattice embankment is domatic
Beam, and the termination of every drag-line stretched vertically to the domatic height of embankment is passed through anchoring after concrete lattice beam tractive tensioning.
In the technique scheme of the present invention, leading before drag-line, on concrete slab anchor head, preferably pouring one section
For fixed pulley and banketing being separated perpendicular to domatic casing section, during this fixed pulley of guy cable rounds is drawn, root
According to the distracted position of drag-line, drag-line is passed through mate with length be used for drag-line and the sleeve pipe separating that bankets, described sleeve pipe and
Casing section linking connection.Described sleeve pipe and casing section can protect fixed pulley and drag-line it is ensured that fixed pulley smooth rotation, facilitate drag-line
Pull, stretched vertically serves the effect of friction pile to the domatic corresponding plastic bushing of drag-line section of embankment simultaneously.Described sleeve pipe
It is preferably plastic bushing and plastic sheath pipeline section with casing section.
In the technique scheme of the present invention, when building concrete lattice beam, preferably with every drag-line stretched vertically extremely
The end of the domatic height of embankment is the intersection point of concrete lattice beam frame, and the end anchorage making drag-line is in concrete lattice beam frame
Point of intersection.
In the technique scheme of the present invention, preferably in embankment slope concrete lattice girder sash, plantation draft is planted
Thing, shrub and arbor, form root bed course in the shallow-layer of embankment, are conducive to reinforcing shallow-layer to banket.
In the technique scheme of the present invention, one end of drag-line is buried and is fixed on the mode at the barricade back side and can be：?
During building spats barricade, laterally bury in spats barricade and fix a reinforcing bar, the termination of each drag-line is wound around
It is fixed on this reinforcing bar, be more jointly embedded in spats barricade.
In the technique scheme of the present invention, the column pitch of described reinforced anchor bolt is preferably 2～3m, and each column is two neighboring
Spacing between anchor pole is preferably 2～3m.
In the technique scheme of the present invention, the depth that hard side slope imbedded by described reinforcing bar anchor should be not less than 0.5m,
It is more than well 1m.
In the technique scheme of the present invention, described reinforced anchor bolt is preferably enclosed with plastics or Colophonium antirust coat.
In the technique scheme of the present invention, described drag-line crosses plastic steel wire drag-line from zinc-plated.
In the technique scheme of the present invention, bionical of the deep layer of drag-line and bolt simulation, the shallow-layer root pad with plant
Layer and the plastic bushing composition root anchor system with friction pile effect.
The present invention obtains Natural Science Fund In The Light general project (No:51579167) subsidy.
The action principle of root anchor system in the inventive method：
After embankment, the deadweight that original side slope is banketed can be decomposed into normal direction normal pressure and slope aspect sliding force, bankets
Thrust is delivered to the wall back of spats barricade.When rainfall infiltration is in slight slope, bankets and start to produce falling tendency, wall is carried on the back
The Thrust being increased produces sliding trend, thus pulling drag-line；Originally pretensioned drag-line is domatic by hard
On fixed pulley suffered pulling force is delivered on domatic lattice girder, thus to banket produce normal pressure increment.According to mole-
Coulomb theorem, the skid resistance that bankets increases, thus reducing falling tendency of banketing it is achieved that the small axial dimension banketed and stable
Property.The small axial dimension of system is shown in Fig. 4.
Compared with prior art, the invention has the advantages that：
1. the method for the invention reinforces the deep layer (vegetation of embankment side slope using the effect that anchor pole and drag-line play bionical
The depth bounds that root system does not reach) slope soil, using system small axial dimension pushing to slide under the residue acting on spats barricade
Power is converted to the mormal stress of slope soil, improves the shearing strength of slope soil and root bed course, thus effective reinforcing side slope, solves existing
Ecological vestige is unable to the problem of reinforcing deep slope soil.
2. the inventive method is simple, be easy to construction, low cost, easy to spread.
Brief description
Fig. 1 is the side view of the small axial dimension root anchor system reinforcing embankment side slope in the method for the invention.
Fig. 2 is the plane graph of the small axial dimension root anchor system reinforcing embankment side slope in the method for the invention.
Fig. 3 is anchor pole in the method for the invention, fixed pulley and drag-line arrangement figure on anchor head.
Fig. 4 is the power system schematic diagram that in the method for the invention, root anchor system reinforces embankment side slope small axial dimension.
In figure, 1 barricade, 2 hard side slopes, 3 reinforced anchor bolts, 4 concrete slab anchor heads, 5 fixed pulleys, 6 draw
Rope, 7 casing sections, 8 embankments (are banketed), 9 concrete lattice beams, 10 tall grass-shrub vegetation (including root bed course), 11 sets
Pipe.
Specific embodiment
Make below by the ecological bank protecting method that specific embodiment reinforces embankment side slope to of the present invention anchor system
Further illustrate.
Embodiment
Root anchor system reinforces the ecological bank protecting method of embankment side slope, first holes along slope aspect on original hard side slope 2 is domatic
Bury the reinforced anchor bolt 3 that some row are enclosed with plastics or Colophonium antirust coat, the column pitch of reinforced anchor bolt is about 2m, each column adjacent two
It is spaced about 2m between individual anchor pole.Expose the top casting concrete plate anchor head 4 of hard side slope surface in every anchor pole, every
On individual concrete slab anchor head, inclined slope aspect installs a fixed pulley 5, each concrete slab anchor head pours for by fixed pulley and
Banket the plastic sheath pipeline section 7 perpendicular to slope aspect separating；Build spats barricade 1 at hard side slope toe, each is fixed simultaneously
Pulley piece flexibility of outfit is zinc-plated to cross plastic steel wire drag-line 6, this fixed pulley of described guy cable rounds, and one end stretched vertically to embankment designs
Domatic height, the other end, further around crossing with this fixed pulley same column and being located at this fixed pulley along the fixed pulley below slope aspect, is buried solid
It is scheduled on the spats barricade back side.Leading during drag-line, according to the distracted position of drag-line, drag-line is being passed through the use of length coupling
In by drag-line and 8 plastic bushings 11 separating that banket, and by vertical with fixed pulley for these plastic bushings to plastic sheath pipeline section rank
Lead in succession.Each column anchor pole along last corresponding fixed pulley of root anchor pole of slope aspect stay wire end directly bury be fixed on barricade the back of the body
Face.One end of drag-line is buried and is fixed on the mode at the barricade back side is during building foot guard wall, horizontal in spats barricade
To an embedded reinforcing bar with elbow, the termination of each drag-line is fastened on this reinforcing bar, is more jointly embedded in spats
In barricade.Then embankment, to designing domatic height, in embankment domatic build concrete lattice beam 9, is building concrete lattice beam
When, with every drag-line stretched vertically to the end of the domatic height of embankment for the intersection point of concrete lattice beam frame, and every is drawn
Rope stretched vertically passes through anchoring after concrete lattice beam tractive tensioning to the termination of the domatic height of embankment, makes the end anchorage of drag-line
Point of intersection in concrete lattice beam frame.Plantation herbaceous plant, shrub and arbor in embankment slope concrete lattice girder sash
10.The root system of plant penetrates underground and forms root bed course.So, the shallow-layer root bed course, drag-line and the bolt simulation that define plant are deep
Bionical root anchor system constituting with plastics pile tube (as small-sized friction pile) of layer.
Bionical of the deep layer of drag-line and bolt simulation, shallow-layer root bed course and the plastics with friction pile effect with plant
Sleeve pipe constitutes root anchor system, as Figure 1-3.The stress balance of root anchor system is as shown in Figure 4.After embankment, the deadweight banketed
Normal direction normal pressure and slope aspect sliding force can be decomposed into, the Thrust banketing is delivered to the wall back of spats barricade.Work as rainfall
When entering to be seeped in slight slope, banket and start to produce falling tendency, the Thrust that the wall back of the body is increased produces sliding trend, thus drawing
Dynamic drag-line, originally pretensioned drag-line by hard domatic on fixed pulley suffered pulling force is delivered to domatic lattice
Liang Shang, thus produce normal pressure increment to banketing.Now, as shown in Fig. 4 (a), lattice girder is pulled stress T by drag-line1And T2Afterwards,
In embankment domatic generation normal pressure P1And P2, according to mole-coulomb theorem, increased skid resistance and the shearing strength of embankment, thus
Reduce falling tendency of banketing, also achieve the self-balancing of lattice beam stress simultaneously.As shown in Fig. 4 (b), fixed pulley changes drag-line
Suffered pulling force T1And T2Direction, point different directions pass to lattice girder and barricade it is achieved that lattice girder, anchor pole and barricade are comprehensive
The self-balancing of stress.As shown in Fig. 4 (c), barricade by the Thrust E that bankets, barricade conducted oneself with dignity G, subgrade reaction N of barricade,
Barricade and frictional force F of ground and the pulling force T of drag-line1And T2It is achieved that the self-balancing of barricade stress system.
Claims (10)
1. an anchor system reinforces embankment slope ecological bank protecting method it is characterised in that elder generation is on the domatic upper edge of original hard side slope (2)
Slope aspect buries some row reinforced anchor bolts (3), exposes casting concrete plate anchor head (4) at the top of hard side slope surface in anchor pole,
The fixed pulley (5) that one rotation direction is inclined slope aspect is installed on each concrete slab anchor head, simultaneously at hard side slope toe
Build spats barricade (1), each fixed pulley is equipped with a flexible cable (6), this fixed pulley of described guy cable rounds, and one end is vertical
It is stretched to the domatic height of embankment design, the other end is further around crossing with this fixed pulley same column and be located at the determining of slope aspect below this fixed pulley
Pulley is buried and is fixed on the barricade back side, this one end of the drag-line along last corresponding fixed pulley of root anchor pole of slope aspect for each column anchor pole
Directly bury and be fixed on the barricade back side, then embankment is to designing domatic height, build concrete lattice beam (9) embankment is domatic,
And the termination of every drag-line stretched vertically to the domatic height of embankment is passed through anchoring after concrete lattice beam tractive tensioning.
2. root anchor system reinforces the ecological bank protecting method of embankment side slope it is characterised in that in concrete according to claim 1
Pour on plate anchor head one section for by fixed pulley and banket that (8) separate perpendicular to domatic casing section (7), and drag-line is passed through
Mate with length for by drag-line and the sleeve pipe (11) separating that bankets, described sleeve pipe is connected connection with casing section.
3. according to claim 1 or claim 2 anchor system reinforces the ecological bank protecting method of embankment side slope it is characterised in that building mixed
During solidifying soil lattice girder, with every drag-line stretched vertically to the end of the domatic height of embankment for the intersection point of concrete lattice beam frame,
Make the point of intersection in concrete lattice beam frame for the end anchorage of drag-line.
4. according to claim 1 or claim 2 anchor system reinforces the ecological bank protecting method of embankment side slope it is characterised in that in embankment
The tall grass-shrub vegetation (10) of plantation in slope concrete lattice girder sash.
5. root anchor system reinforces the ecological bank protecting method of embankment side slope it is characterised in that on embankment slope according to claim 3
Plantation herbaceous plant, shrub and arbor in surface concrete lattice girder sash.
6. according to claim 1 or claim 2 anchor system reinforces the ecological bank protecting method of embankment side slope it is characterised in that drag-line
One end bury be fixed on the barricade back side mode be build foot guard wall during, in spats barricade laterally bury fix
A piece reinforcing bar, the termination of each drag-line is fastened on this reinforcing bar, is more jointly embedded in spats barricade.
7. according to claim 1 or claim 2 anchor system reinforces the ecological bank protecting method of embankment side slope it is characterised in that described steel
The column pitch of muscle anchor pole is 2～3m, and the spacing between the two neighboring anchor pole of each column is 2～3m.
8. according to claim 1 or claim 2 anchor system reinforces the ecological bank protecting method of embankment side slope it is characterised in that described steel
The depth that hard side slope imbedded by muscle anchor is not less than 0.5m.
9. according to claim 1 or claim 2 anchor system reinforces the ecological bank protecting method of embankment side slope it is characterised in that described steel
Muscle anchor pole is enclosed with plastics or Colophonium antirust coat.
10. according to claim 1 or claim 2 anchor system reinforces the ecological bank protecting method of embankment side slope it is characterised in that described
Drag-line crosses plastic steel wire drag-line for zinc-plated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610993784.1A CN106436724B (en) | 2016-11-11 | 2016-11-11 | Root anchor system reinforces embankment slope ecological bank protecting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610993784.1A CN106436724B (en) | 2016-11-11 | 2016-11-11 | Root anchor system reinforces embankment slope ecological bank protecting method |
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| Publication Number | Publication Date |
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| CN106436724A true CN106436724A (en) | 2017-02-22 |
| CN106436724B CN106436724B (en) | 2018-08-28 |
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| CN201610993784.1A Active CN106436724B (en) | 2016-11-11 | 2016-11-11 | Root anchor system reinforces embankment slope ecological bank protecting method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107085659A (en) * | 2017-04-24 | 2017-08-22 | 吉林大学 | A kind of preparation method of the soft and hard alternation pattern biomimetic material based on frictional behaviour |
| CN107653892A (en) * | 2017-10-30 | 2018-02-02 | 江苏开放大学 | A kind of ecological revetment system based on plant root species form |
| CN108360537A (en) * | 2018-01-31 | 2018-08-03 | 河海大学 | A kind of microorganism consolidates the bank protection anchor structure used in sand engineering and its application method |
| CN111173006A (en) * | 2020-01-06 | 2020-05-19 | 四川大学 | Ecological slope protection method for reinforcing hilly soil by combining permeable retaining wall and sounding type bar planting belt |
| CN111501796A (en) * | 2020-04-30 | 2020-08-07 | 浙江大学城市学院 | High embankment slope stabilizing structure and construction method |
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| JP2000328542A (en) * | 1999-05-19 | 2000-11-28 | Toa Harbor Works Co Ltd | Vegetation type slope protecting assembly block and installation thereof |
| CN103628489A (en) * | 2013-12-05 | 2014-03-12 | 长沙理工大学 | Expressway slope reinforcement structure |
| CN204138201U (en) * | 2014-09-30 | 2015-02-04 | 中交一公局第六工程有限公司 | Cable hoisting concrete apparatus in slope construction on express highway |
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2016
- 2016-11-11 CN CN201610993784.1A patent/CN106436724B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000328542A (en) * | 1999-05-19 | 2000-11-28 | Toa Harbor Works Co Ltd | Vegetation type slope protecting assembly block and installation thereof |
| CN103628489A (en) * | 2013-12-05 | 2014-03-12 | 长沙理工大学 | Expressway slope reinforcement structure |
| CN204138201U (en) * | 2014-09-30 | 2015-02-04 | 中交一公局第六工程有限公司 | Cable hoisting concrete apparatus in slope construction on express highway |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107085659A (en) * | 2017-04-24 | 2017-08-22 | 吉林大学 | A kind of preparation method of the soft and hard alternation pattern biomimetic material based on frictional behaviour |
| CN107085659B (en) * | 2017-04-24 | 2020-06-23 | 吉林大学 | Preparation method of soft and hard interphase morphology bionic material based on friction performance |
| CN107653892A (en) * | 2017-10-30 | 2018-02-02 | 江苏开放大学 | A kind of ecological revetment system based on plant root species form |
| CN108360537A (en) * | 2018-01-31 | 2018-08-03 | 河海大学 | A kind of microorganism consolidates the bank protection anchor structure used in sand engineering and its application method |
| CN108360537B (en) * | 2018-01-31 | 2021-04-27 | 河海大学 | Slope protection anchor pulling structure used in microbial sand consolidation engineering and use method thereof |
| CN111173006A (en) * | 2020-01-06 | 2020-05-19 | 四川大学 | Ecological slope protection method for reinforcing hilly soil by combining permeable retaining wall and sounding type bar planting belt |
| CN111501796A (en) * | 2020-04-30 | 2020-08-07 | 浙江大学城市学院 | High embankment slope stabilizing structure and construction method |
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| Publication number | Publication date |
|---|---|
| CN106436724B (en) | 2018-08-28 |
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