CN101029490A - Method for preventing and managing rock/upper side slope - Google Patents
Method for preventing and managing rock/upper side slope Download PDFInfo
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- CN101029490A CN101029490A CNA2007100487864A CN200710048786A CN101029490A CN 101029490 A CN101029490 A CN 101029490A CN A2007100487864 A CNA2007100487864 A CN A2007100487864A CN 200710048786 A CN200710048786 A CN 200710048786A CN 101029490 A CN101029490 A CN 101029490A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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Abstract
A fencing method for sloping field is as: grove along the sloping field and build supporting walls in it. The wall is 1-3m in width, 0.5-1m in depth into the base rock, the same height of the field foot to top. The distance between walls is 2-8m.
Description
Technical field
The present invention relates to a kind of protection and improvement method of rock/upper side slope.
Background technology
The protection of side slope and improvement are mountain highway, railway construction, the major issue of water conservancy and hydropower exploitation and urban construction.Although country and local annual all drop into huge manpower and materials and administer, the traffic that causes because of the side slope accident is obstructed and interruption, river stop up, feedwater Kuku district and city/rural area are brought to such an extent that harm remains huge, and the loss that causes is still very huge.Along with rapidly carrying out of constructing well-off society,, must make the seriousness of side slope problem become more outstanding especially along with the rise energetically of development of the West Regions.Therefore, the preventing and controlling of side slope are not only indispensable, and become more important.
Side slope, particularly be tending towards wriggling and be in the cohesive soil side slope of slip, existing improvement method has: various types of gravity and non-gravity formula retaining wall, anchor cable/anchored bolt retaining wall, soil nailing barricade, reinforced earth bulkhead, antislide pile, sheet pile structure and multi-form combining structure etc. between them.There is following deficiency in these existing methods: to building the material requirements height, the freight volume of material is big; Construction machinery requires high, the job practices complexity; Improvement construction costs height; The excavation face is big, and spoir is many behind the slope treatment; Domatic should not the greening, side slope and surrounding enviroment are inharmonious after administering; Supporting and protection structure is bigger to influence on groundwater; Excavation or vibration effect such as boring are excessive, and the stability of side slope further reduces because of additional construction factor such as excavation in a big way or boring vibration, may cause slope sliding or quicken its slip, causes bigger destruction and loss.
Therefore for the improvement of side slope, need create low, good in economic efficiency, safe and reliable, the eco-friendly new method of construction costs.
Summary of the invention
Purpose of the present invention just provides a kind of protection and improvement method of rock/upper side slope, and this method construction is simple, and construction costs is low, and compliance is strong, and is safe and reliable, with the environment harmony, is beneficial to environmental protection; Be particularly useful for having inconvenient traffic, the side slope protection and the improvement in landform difficulty, the unapproachable hills of big machinery or mountain region.
The present invention realizes its goal of the invention, and the technical scheme that is adopted is: a kind of protection of rock/upper side slope and improvement method, and its way is: the groove of building the knee wall body of wall along slope sliding direction excavation; In groove, build the longitudinal bracing wall, longitudinal bracing wall width 1～3m, the degree of depth has the basement rock 0.5～1m of supporting capacity or surpasses slope sliding face (9) for embedding the side slope bottom, length from the side slope toe to exceeding the slope slide top; Clear distance is 2～8m between the knee wall wall.
Compared with prior art, the invention has the beneficial effects as follows: utilize and the slope sliding direction in the same way longitudinal bracing wall body of wall side and the side frictional resistance effect between the side slope, slope slide between knee wall provides sliding resistance, forces original least favorable slide plane to be developed to the depths by shallow place; And the degree of depth of knee wall surpasses slope sliding face or basement rock position, and self is firm, thereby slope slide is combined new deep space stabilising system of formation with knee wall; Increase degree of safety, the stability of side slope greatly, reached the purpose of administering side slope.Owing to be to utilize the side friction power of a plurality of longitudinal bracing walls to realize control to slope slide, therefore the mechanical property requirements to single knee wall body of wall reduces greatly, thereby material and construction requirement to body of wall reduce greatly, excavate more convenient, whole process need not big machinery and can finish, and construction is simple, and construction costs is low, compliance is strong, can weak soil, cohesive soil, silt, silt, sand gravel soil and more than use in the various geological conditionss such as various composite soil and rock decay layer; More be applicable to have inconvenient traffic, landform difficulty, the unapproachable hills of big machinery or mountain region.Longitudinal bracing does not almost have influence to the draining and the ground water regime of side slope yet, with the environment harmony, is beneficial to environmental protection.
The specific practice of above-mentioned excavation groove is: same groove is one section by 6～10 meters, and segmentation is excavated, and the excavation of a different grooves groove at least at interval carries out; After excavation was finished, the side of groove, bottom surface kept nature excavation face, do not carry out any smooth, floating processing, and in 24 hours, begin to build the longitudinal bracing wall.
Since low to the whole mechanical property requirements of longitudinal bracing wall, adopt above-mentioned segmentation, separate slot mode to construct, do not need disposable large volume excavation, little to the adverse effect of stability of slope.
The specific practice of above-mentioned build longitudinal bracing wall is: cement is mixed cement paste by water ash weight ratio 0.4～0.6, again with the on-site soil/rock of side slope on the spot mix become mix, wherein the weight addition of cement is 7～15%, with the mix backfill in groove, or in groove directly spice repair wall.
The cubic metre of earth and stone that utilization is excavated out adds cement paste on the spot, thereby greatly reduces the amount of being transported into and the quantities delivered of the used constructional materials of walling, effectively reduces construction costs; Construction machinery and job practices are also very simple on the other hand.
Above-mentioned mix reaches the specific practice of repairing wall in groove: layering is built, and mix backfill thickness 25～30cm of every layer is densified to 22～25cm; It is coarse that upper surface after the compacting keeps, and do not do any smooth, floating processing; Carry out the build of top one deck body of wall by identical way, until building to filling up groove.
The mode that adopts layering to build does not all need large-scale construction equipment at the work progress of mix, backfill and compacting, construct simpler, make things convenient for, cost is low.
Arched framework helps preventing side slope surface soil layer between knee wall by rain drop erosion, the protection that makes side slope with administer more effective, reliable.
Lay the longitudinal drainage pipe in the soil layer below the above-mentioned arched framework, the suction hole is offered on this longitudinal drainage tube wall top, and the filtration rubble is piled up in longitudinal drainage pipe top; The lower end of longitudinal drainage pipe links to each other with the horizontal cunette of toe.
At above-mentioned slope slide top excavation catchwater.
The effect of gutter and catchwater is: with in the slope slide and the rain water-harvesting at slope slide top, drain by horizontal cunette, avoid slope slide to be soaked by rainwater, make that soil layer is wet excessively, deliquescing and cause the landslide.
After above-mentioned longitudinal bracing wall is fixed, no soil place on side slope domatic, mulching soil again, and carry out whole domatic greening and vegetation recovery.
Like this, side slope after protection is administered and surrounding environment coordination, attractive in appearance; Also help water and soil conservation.
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 is the sectional structure schematic diagram (the A-A sectional drawing of Fig. 1) of embodiment of the invention longitudinal bracing wall.
The specific embodiment
Embodiment
Fig. 1,2 illustrates, and a kind of specific embodiment of the present invention is:
A kind of protection of rock/upper side slope and improvement method, its way is: the groove of building the knee wall body of wall along slope sliding direction excavation; In groove, build longitudinal bracing wall 1, longitudinal bracing wall 1 width 1～3m, the degree of depth has the basement rock 0.5～1m of supporting capacity or surpasses slope sliding face 9 for embedding the side slope bottom, length from the side slope toe to exceeding slope slide top 11; Clear distance is 2～8m between knee wall 1 wall.
During the excavation groove, same groove is one section by 6～10 meters, and segmentation is excavated, and the excavation of a different grooves groove at least at interval carries out; After excavation was finished, the side of groove, bottom surface kept nature excavation face, do not carry out any smooth, floating processing, and in 24 hours, begin to build longitudinal bracing wall 1.
Dotted line on the longitudinal bracing wall 1 among Fig. 1 and Fig. 2 is the boundary line of each section wall of same knee wall 1 when segmentation is built of same groove, and after the longitudinal bracing wall was fixed, same knee wall became the integral body that side direction is stepped.
When building the longitudinal bracing wall, cement is mixed cement paste by water ash weight ratio 0.4～0.6, again with the on-site soil/rock of side slope on the spot mix become mix, wherein the weight addition of cement is 7～15%, with the mix backfill in groove, or in groove directly spice repair wall.Directly spice is repaiied wall in groove, generally is to be applicable to the groove broad, the situation that the degree of depth is more shallow.
When repairing wall in groove, specific practice is: layering is built, and mix backfill thickness 25～30cm of every layer is densified to 22～25cm; Upper surface after the compacting should keep coarse as far as possible, does not do any smooth, floating processing; Carry out the build of top one deck body of wall by identical way, until building to filling up groove.
The mechanical index of the longitudinal bracing wall that the present invention constructs should reach: single shaft intensity σ 〉=2MPa, shear strength φ 〉=35 °, cohesion c 〉=50kPa, unit weight γ 〉=20kN/m
3The specific targets value of construction should require to decide according to the safety factor of field investigation and protection improvement; As not reaching requirement, then should select for use the higher cement of label to carry out the mix batching, also can add a spot of thin, medium sand in case of necessity again.
After fixing the longitudinal bracing wall, build by laying arched framework 2 with slabstone again between the longitudinal bracing wall.Lay longitudinal drainage pipe 3 in the soil layer below the arched framework 2, the suction hole is offered on these longitudinal drainage pipe 3 tube wall tops, and the filtration rubble is piled up in longitudinal drainage pipe 3 tops; The lower end of longitudinal drainage pipe 3 links to each other with the horizontal cunette 4 of toe.Rock/upper side slope gliding mass top excavation catchwater 5.Longitudinal drainage pipe 3 can use pvc pipe.
After longitudinal bracing wall 1 is fixed, no soil place on side slope surface 12, mulching soil again, and carry out whole domatic greening and vegetation recovery.
For the ease of the draining of sloping top catchwater 5, can on part longitudinal bracing wall 1, drop 8 by the build stepping type, more for a long time, the water of catchwater 5 can directly compile, flow into the horizontal cunette 4 of toe by stepping type drop 8 in the water yield.Simultaneously, the walking passage can be doublely done in stepping type drop 8.
Longitudinal bracing wall 1 of the present invention generally should fill up groove when building, but for more convenient greening, also can be guaranteeing under the safe preceding topic a little less than groove.
The present invention requires not tight to construction environments such as construction plant, water supply, power supplies.In slope treatment engineering construction and that be in positive slip that can't walk, extremely difficult, still can be suitable for.As long as required constructional materials and construction machinery are simple, generally speaking cement paste and original place soil.Construction machinery also can adopt the hand excavation for reaching the excavator of knee wall projected depth under safing situation.In whole construction course, should note the displacement and the phreatic variation on massif, domatic, stratum at any time, guarantee construction safety.
The present invention is suitable for Dynamic Construction, by excavation, can accurately determine the situation of side slope soil layer, underground water and slide plane.The discovery accident can be changed the knee wall design at any time by actual conditions, to satisfy stability requirement.
Claims (8)
1, a kind of protection of rock/upper side slope and improvement method, its way is:
Build the groove of knee wall body of wall along slope sliding direction excavation; In groove, build longitudinal bracing wall (1), longitudinal bracing wall (1) width 1～3m, the degree of depth has the basement rock 0.5～1m of supporting capacity or surpasses slope sliding face (9) for embedding the side slope bottom, length from the side slope toe to exceeding slope slide top (11); Clear distance is 2～8m between knee wall (1) wall.
2, the protection of rock/upper side slope according to claim 1 and improvement method, it is characterized in that: the specific practice of described excavation groove is: same groove is one section by 6～10 meters, and segmentation is excavated, the excavation of a different grooves groove at least at interval carries out; After excavation was finished, the side of groove, bottom surface kept nature excavation face, do not carry out any smooth, floating processing, and in 24 hours, begin to build longitudinal bracing wall (1).
3, the protection of rock/upper side slope according to claim 1 and improvement method, it is characterized in that: the specific practice of described build longitudinal bracing wall (1) is: cement is mixed cement paste by water ash weight ratio 0.4～0.6, again with the on-site soil/rock of side slope on the spot mix become mix, wherein the weight addition of cement is 7～15%, with the mix backfill in groove, or in groove directly the spice backfill repair wall.
4, the protection of rock/upper side slope according to claim 3 and improvement method is characterized in that: the specific practice of repairing wall in the described groove is: layering is built, and mix backfill thickness 25～30cm of every layer is densified to 22～25cm; It is coarse that upper surface after the compacting keeps, and do not do any smooth, floating processing; Carry out the build of top one deck body of wall by identical way, until building to filling up groove.
5, the protection of rock/upper side slope according to claim 1 and improvement method is characterized in that: build by laying arched framework (2) with slabstone between the described longitudinal bracing wall (1).
6, the protection of rock/upper side slope according to claim 5 and improvement method, it is characterized in that: lay longitudinal drainage pipe (3) in the soil layer below the described arched framework (2), the suction hole is offered on this longitudinal drainage pipe (3) tube wall top, and the filtration rubble is piled up in longitudinal drainage pipe (3) top; The lower end of longitudinal drainage pipe (3) links to each other with the horizontal cunette (4) of toe.
7, the protection of rock/upper side slope according to claim 1 and improvement method is characterized in that: described slope slide top (11) excavation catchwater (5).
8, the protection of rock/upper side slope according to claim 1 and improvement method, it is characterized in that: after described longitudinal bracing wall (1) is fixed, go up no soil place in domatic (12) of side slope, mulching soil again, and carry out whole domatic greening and vegetation recovery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100487864A CN101029490B (en) | 2007-04-02 | 2007-04-02 | Method for preventing and managing rock/upper side slope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100487864A CN101029490B (en) | 2007-04-02 | 2007-04-02 | Method for preventing and managing rock/upper side slope |
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| Publication Number | Publication Date |
|---|---|
| CN101029490A true CN101029490A (en) | 2007-09-05 |
| CN101029490B CN101029490B (en) | 2010-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100487864A Expired - Fee Related CN101029490B (en) | 2007-04-02 | 2007-04-02 | Method for preventing and managing rock/upper side slope |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104794348A (en) * | 2015-04-23 | 2015-07-22 | 刘洋 | Method for calculating sliding resistance of anchored piles |
| CN105696701A (en) * | 2016-01-15 | 2016-06-22 | 武汉大学 | Along-slope shear wall building development platform and construction method thereof |
| CN107859044A (en) * | 2017-10-20 | 2018-03-30 | 成都菲斯普科技有限公司 | Soil embankment side slope protection unit and slope protecting device |
| CN108625353A (en) * | 2018-05-11 | 2018-10-09 | 闫涛 | A kind of bringing soil erosion under control method |
| CN108978579A (en) * | 2018-09-06 | 2018-12-11 | 江苏建筑职业技术学院 | A kind of river course environment repairs structure and river channel ecology environment restoration method |
| CN112049132A (en) * | 2020-09-16 | 2020-12-08 | 宁波大学 | Umbrella ladder-shaped landslide prevention structure and construction method thereof |
| CN112627204A (en) * | 2020-12-28 | 2021-04-09 | 中水北方勘测设计研究有限责任公司 | Reinforcing structure of unstable side slope and construction method thereof |
-
2007
- 2007-04-02 CN CN2007100487864A patent/CN101029490B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104794348A (en) * | 2015-04-23 | 2015-07-22 | 刘洋 | Method for calculating sliding resistance of anchored piles |
| CN105696701A (en) * | 2016-01-15 | 2016-06-22 | 武汉大学 | Along-slope shear wall building development platform and construction method thereof |
| CN105696701B (en) * | 2016-01-15 | 2017-11-10 | 武汉大学 | A kind of suitable slope shear wall building development platform and its construction method |
| CN107859044A (en) * | 2017-10-20 | 2018-03-30 | 成都菲斯普科技有限公司 | Soil embankment side slope protection unit and slope protecting device |
| CN108625353A (en) * | 2018-05-11 | 2018-10-09 | 闫涛 | A kind of bringing soil erosion under control method |
| CN108978579A (en) * | 2018-09-06 | 2018-12-11 | 江苏建筑职业技术学院 | A kind of river course environment repairs structure and river channel ecology environment restoration method |
| CN112049132A (en) * | 2020-09-16 | 2020-12-08 | 宁波大学 | Umbrella ladder-shaped landslide prevention structure and construction method thereof |
| CN112627204A (en) * | 2020-12-28 | 2021-04-09 | 中水北方勘测设计研究有限责任公司 | Reinforcing structure of unstable side slope and construction method thereof |
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| Publication number | Publication date |
|---|---|
| CN101029490B (en) | 2010-12-22 |
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Granted publication date: 20101222 Termination date: 20130402 |