CN111622239A - Loess high fill slope drainage method - Google Patents
Loess high fill slope drainage method Download PDFInfo
- Publication number
- CN111622239A CN111622239A CN202010469118.4A CN202010469118A CN111622239A CN 111622239 A CN111622239 A CN 111622239A CN 202010469118 A CN202010469118 A CN 202010469118A CN 111622239 A CN111622239 A CN 111622239A
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- Prior art keywords
- slope
- drainage
- drainage ditch
- high fill
- loess high
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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
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
- E03F3/046—Open sewage channels
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention discloses a loess high fill side slope drainage method, which comprises the following steps: step S1, trimming a loess high fill slope; step S2, building a reservoir for discharging the side slope drainage system; step S3, digging a drainage ditch for slope toe of the loess high fill side slope and introducing the drainage ditch into a reservoir; step S4, constructing a longitudinal drainage ditch on the loess high fill side slope, wherein the longitudinal drainage ditch is constructed in sections, and anti-slip steps are arranged at the joint; step S5, constructing a lateral drainage ditch of the horse way; and S6, repeating the step S4 and the step S5 until the top of the loess high fill slope is reached, and constructing a loess high fill slope drainage system. Has the advantages that: through laying domatic longitudinal drainage ditch, effectively reduce rivers to the erodeing of horse way lateral drainage ditch, through horse way lateral drainage ditch, can prevent effectively that moisture from permeating to the soil body on top of the slope in.
Description
Technical Field
The invention relates to the technical field of side slope drainage systems, in particular to a loess high fill side slope drainage method.
Background
Many loess high fill side slopes can be stable under normal conditions, but after rainstorm in rainy season or underground water level rises, the stress condition is changed due to changes of hydrogeological conditions, shear-resistant indexes on potential slip surfaces are weakened, meanwhile, the gravity of soil bodies is obviously increased due to water infiltration, and the landslide probability of the high fill side slopes is increased.
Present side slope drainage system:
1. the longitudinal drainage ditch is directly communicated to the toe of the slope from the top of the slope, so that the water flow and the scouring of the longitudinal drainage ditch cannot be reduced;
2. the transverse drainage ditch is only paved on the horse way, but the water resistance of the slope top of the next grade of side slope is not considered;
3. the slope drainage system is not smooth in drainage at the slope toe, and large-area water immersion is often formed at the slope toe of the loess high fill side slope.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a loess high fill slope drainage method to overcome the technical problems in the prior related art.
The technical scheme of the invention is realized as follows:
a loess high fill side slope drainage method comprises the following steps:
step S1, trimming a loess high fill slope;
step S2, building a reservoir for discharging the side slope drainage system;
step S3, digging a drainage ditch for slope toe of the loess high fill side slope and introducing the drainage ditch into a reservoir;
step S4, constructing a longitudinal drainage ditch on the loess high fill side slope, wherein the longitudinal drainage ditch is constructed in sections, and anti-slip steps are arranged at the joint;
step S5, constructing a lateral drainage ditch of the horse way;
and S6, repeating the step S4 and the step S5 until the top of the loess high fill slope is reached, and constructing a loess high fill slope drainage system.
Further, the water reservoir includes at least an introduction inlet and an extraction outlet.
Further, in step S3, the toe drain includes the following steps:
adopting machinery to excavate a slope toe drainage ditch groove around the slope toe of the slope;
paving lime soil;
masonry stones are adopted for building the slope toe drainage ditch, and the slope toe side of the drainage ditch is of an inclined structure;
paving mortar rubble foot protectors.
Further, in step S4, the longitudinal drain includes the following steps:
excavating a longitudinal drainage ditch groove;
paving lime soil in the drainage channel groove in sections and tamping;
and constructing a longitudinal drainage ditch by using the stone chips.
Further, in step S5, the horse-race lateral drainage ditch includes the steps of:
excavating a transverse drainage channel groove on a pavement in advance;
paving lime soil in the drainage channel groove in sections and tamping the lime soil to be used as a bottom layer;
constructing a lateral drainage ditch of the horse way by using stone chips;
laying dry rubble tops and grouted rubble feet.
The invention has the beneficial effects that:
1. the invention effectively reduces the scouring of water flow to the transverse drainage ditch of the horse way by paving the longitudinal drainage ditch of the slope.
2. Through the lateral drainage ditch of the horse way, water can be effectively prevented from permeating into the soil body on the top of the slope.
3. The cistern can effectively prevent loess high fill toe large tracts of land pool gathering, and can loess high fill filling initial stage mud content is big in addition, realizes that the cistern compromises sediment filterable effect, and the water of collecting in addition can be used as the afforestation water.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view 1 of a slope longitudinal drainage ditch of a loess high fill slope drainage structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of a slope longitudinal drainage ditch of a loess high fill slope drainage structure according to an embodiment of the present invention 2;
FIG. 3 is a view of application of a longitudinal slope drainage ditch of a loess high fill slope drainage structure according to an embodiment of the present invention;
fig. 4 is a convex view illustrating a drainage structure of a loess high-fill slope according to an embodiment of the present invention;
fig. 5 is a schematic view of a reservoir of a loess high fill slope drainage structure according to an embodiment of the present invention;
fig. 6 is a schematic view illustrating a toe drain scene application of a loess high fill slope drain structure according to an embodiment of the present invention;
FIG. 7 is a schematic view of a horse-race lateral drainage ditch of a loess high-fill slope drainage structure according to an embodiment of the present invention;
fig. 8 is a schematic view of a toe drain of the loess high-fill slope drainage structure according to an embodiment of the present invention;
fig. 9 is a schematic view of a stilling pool of a loess high fill slope drainage structure according to an embodiment of the present invention;
fig. 10 is a flow chart illustrating a loess high fill slope drainage method according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
According to an embodiment of the present invention, there is provided a loess high-fill slope drainage method.
As shown in fig. 1 to 10, a loess high fill slope drainage method according to an embodiment of the present invention includes the steps of:
step S1, trimming a loess high fill slope;
step S2, building a reservoir for discharging the side slope drainage system;
step S3, digging a drainage ditch for slope toe of the loess high fill side slope and introducing the drainage ditch into a reservoir;
step S4, constructing a longitudinal drainage ditch on the loess high fill side slope, wherein the longitudinal drainage ditch is constructed in sections, and anti-slip steps are arranged at the joint;
and step S5, constructing a horse-race lateral drainage ditch.
And S6, repeating the step S4 and the step S5 until the top of the loess high fill slope is reached, and constructing a loess high fill slope drainage system.
Wherein the water reservoir includes at least an inlet and an outlet.
In step S3, the toe drain includes the following steps:
adopting machinery to excavate a slope toe drainage ditch groove around the slope toe of the slope;
paving lime soil;
masonry stones are adopted for building the slope toe drainage ditch, and the slope toe side of the drainage ditch is of an inclined structure;
paving mortar rubble foot protectors.
Wherein, in step S4, the longitudinal drain comprises the steps of:
excavating a longitudinal drainage ditch groove;
paving lime soil in the drainage channel groove in sections and tamping;
and constructing a longitudinal drainage ditch by using the stone chips.
Wherein, in step S5, the horse-race lateral drainage ditch includes the steps of:
excavating a transverse drainage channel groove on a pavement in advance;
paving lime soil in the drainage channel groove in sections and tamping the lime soil to be used as a bottom layer;
constructing a lateral drainage ditch of the horse way by using stone chips;
laying dry rubble tops and grouted rubble feet.
By means of above-mentioned technical scheme, through laying domatic longitudinal drainage ditch, effectively reduce rivers to the scouring of horse way lateral drainage ditch, through horse way lateral drainage ditch, can effectively prevent in the infiltration of moisture to the soil on top of the slope, the cistern can effectively prevent the high fill toe of loess large tracts of land water pool gathering in addition, can the high fill of loess fill initial stage mud content in addition is big, realizes that the cistern compromises and deposits filterable effect, the water of collecting can be used as the afforestation water in addition.
In addition, the water storage device specifically comprises a horse-road transverse drainage ditch 1, a slope longitudinal drainage ditch 2, a toe drainage ditch 3 and a water storage tank 4, wherein the water storage tank is provided with a water inlet and a water outlet;
the slope longitudinal drainage ditch 2 is communicated with the upper part of the horse-race transverse drainage ditch 1, the toe drainage ditch 3 is communicated with the lower part of the horse-race transverse drainage ditch 1, and the reservoir 4 is communicated with one side of the toe drainage ditch 3;
the slope longitudinal drainage ditch 2 is internally provided with a plurality of anti-skidding tenons 5 and a plurality of bulges 6 respectively, wherein the anti-skidding tenons 5 are used for building the slope longitudinal drainage ditch 2 in sections, and the bulges 6 are used for reducing the impact of water flow on the slope longitudinal drainage ditch 2;
horse race transverse drainage ditch 1 with slope toe escape canal 3 are located rivers and get into one side and all are equipped with thick liquid and build piece banket 7, just 3 runner both sides in slope toe escape canal are the tilting structure.
Wherein, the same grade domatic slope surface the domatic longitudinal drainage ditch 2 is arranged for a plurality of groups interval, and just adjacent grade domatic slope surface the domatic longitudinal drainage ditch 2 is crisscross the arranging of a plurality of groups interval.
The bottom of the slope longitudinal drainage ditch 2 is paved by lime soil, and the upper part of the lime soil is paved by mortar masonry rubbles.
Wherein, a plurality of the antiskid tenon 5 is arranged at intervals, and a plurality of the bulges 6 are arranged in a staggered way.
The bottom of the horse-road lateral drainage ditch 1 is paved by lime soil, the upper part of the lime soil is paved by mortar masonry rubbles, and the mortar masonry rubble guard feet 7 are of a V-shaped structure.
The bottom of the toe drainage ditch 3 is paved with lime soil, the upper part of the lime soil is paved with mortar masonry rubbles, and the mortar masonry rubble toe guards 7 are of T-shaped structures.
Wherein, the bottom of the slope longitudinal drainage ditch 2 is provided with a stilling pool.
In addition, as shown in fig. 1-3 and fig. 9, a lateral drainage ditch 1 is arranged on each level of the road to collect rainwater on the upper slope, and slope longitudinal drainage ditches 2 are arranged on each level of the slope at intervals to drain the rainwater to the lower slope more quickly, and finally the rainwater is drained to a reservoir 4 far away from the toe through toe drainage ditches 3. In addition, the longitudinal slope gutters 2 are staggered on the streets at different heights. As shown in the figures, grooves 1, 2, and 3 are arranged in a staggered manner. In addition, in order to prevent rainwater from washing the slope toe around the side ditch, a stilling pool can be arranged at the bottom of the longitudinal slope drainage ditch 2.
In addition, as shown in fig. 3-4, a plurality of anti-slip tenons 5 and a plurality of protrusions 6 are respectively arranged in the slope longitudinal drainage ditch 2, and the arrangement mode is as follows: set up the furrows about every 50m on the slope surface of the bank protection of same level, the furrows on the bank protection of different levels should staggered arrangement, and the interval is not less than 4 m. The construction method comprises the following steps: the M7.5 grouted blockstone is used for building, the substrate is leveled and tamped before construction, each 10M is built in a segmented mode, and anti-skidding tenons are arranged every 2.0-2.5M.
In addition, specifically, the horse-road lateral drainage ditch 1 and the toe drainage ditch 3 are built by M7.5 grouted blockstones, expansion joints are arranged every 10M, and drainage outlets of filling bodies are arranged near the horse-road lateral drainage ditch 1 and the toe drainage ditch 3.
In summary, with the above technical solution of the present invention, the following effects can be achieved:
1. precipitation on the slope: in order to prevent direct downward seepage and overflow scouring, a horse-race transverse drainage ditch 1 is arranged at the top of a side slope according to the slope, catchment area and the like, the arrangement of a slope horse race can effectively reduce the flow velocity of surface water, and rainfall on the slope flows along the slope and overflows into the horse-race transverse drainage ditches 1 on platforms at all levels and then flows out of the field through the drainage ditches along the slope, so that smooth drainage of the slope is ensured, and the erosion of the slope is reduced. The slope is organically guided, a good drainage system is arranged on the slope, the slope foot is prevented from being soaked, and the overall integrity of the slope is protected.
2. Water body inside the filling body: the damage to the side slope comprises the submerged erosion of the side slope body in the outflow process of the water body in the filling body and the scouring of the side slope after the outflow process. Therefore, the complete transverse and longitudinal drainage systems are arranged on the slope surface, so that surface water and water seeped from the interior of the filling body flow along the slope and flow into the longitudinal slope drainage ditch 2 on the horse way and flow out of the field through the toe drainage ditch 3 along the slope, smooth drainage on the slope surface is ensured, and runoff is not formed on the slope surface directly to wash the slope surface.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A loess high fill side slope drainage method is characterized by comprising the following steps:
step S1, trimming a loess high fill slope;
step S2, building a reservoir for discharging the side slope drainage system;
step S3, digging a drainage ditch for slope toe of the loess high fill side slope and introducing the drainage ditch into a reservoir;
step S4, constructing a longitudinal drainage ditch on the loess high fill side slope, wherein the longitudinal drainage ditch is constructed in sections, and anti-slip steps are arranged at the joint;
step S5, constructing a lateral drainage ditch of the horse way;
and S6, repeating the step S4 and the step S5 until the top of the loess high fill slope is reached, and constructing a loess high fill slope drainage system.
2. The loess high fill slope drainage method according to claim 1, wherein the reservoir comprises at least an introduction inlet and an extraction outlet at step S2.
3. The loess high fill slope drainage method according to claim 1,
step S3, the toe drain comprises the following steps:
adopting machinery to excavate a slope toe drainage ditch groove around the slope toe of the slope;
paving lime soil;
masonry stones are adopted for building the slope toe drainage ditch, and the slope toe side of the drainage ditch is of an inclined structure;
paving mortar rubble foot protectors.
4. The loess high fill slope drainage method according to claim 1,
step S4, the longitudinal drainage ditch comprises the following steps:
excavating a longitudinal drainage ditch groove;
paving lime soil in the drainage channel groove in sections and tamping;
and constructing a longitudinal drainage ditch by using the stone chips.
5. The loess high fill slope drainage method according to claim 1,
step S5, the horse-race lateral drainage ditch includes the steps of:
excavating a transverse drainage channel groove on a pavement in advance;
paving lime soil in the drainage channel groove in sections and tamping the lime soil to be used as a bottom layer;
constructing a lateral drainage ditch of the horse way by using stone chips;
laying dry rubble tops and grouted rubble feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010469118.4A CN111622239A (en) | 2020-05-28 | 2020-05-28 | Loess high fill slope drainage method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010469118.4A CN111622239A (en) | 2020-05-28 | 2020-05-28 | Loess high fill slope drainage method |
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| Publication Number | Publication Date |
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| CN111622239A true CN111622239A (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010469118.4A Pending CN111622239A (en) | 2020-05-28 | 2020-05-28 | Loess high fill slope drainage method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064653A (en) * | 2020-09-21 | 2020-12-11 | 长安大学 | Composite loess slope ecological slope protection method |
| CN114000475A (en) * | 2021-11-30 | 2022-02-01 | 长安大学 | Farmland soil drainage system for ditch treatment and land reclamation of loess plateau and construction method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882880A (en) * | 2014-04-16 | 2014-06-25 | 中冶集团武汉勘察研究院有限公司 | Buried type side slope drainage system and construction method thereof |
| CN106168030A (en) * | 2016-07-27 | 2016-11-30 | 西北大学 | A kind of Loess Landslide countermeasure system based on restoration of the ecosystem |
| CN106958264A (en) * | 2016-07-14 | 2017-07-18 | 宁波海逸园林工程有限公司 | A kind of highway greenbelt and its construction method |
| CN107023022A (en) * | 2017-04-12 | 2017-08-08 | 山西绿巨人环境科技有限公司 | It is a kind of based on the stone pit waste side slope massif shaping methods for harvesting alignment sequence |
| CN108265894A (en) * | 2018-03-28 | 2018-07-10 | 杭州法莱科技有限公司 | Look for slope ditching type drainage system |
| JP2019143381A (en) * | 2018-02-21 | 2019-08-29 | 積水化学工業株式会社 | Rainwater drainage system |
| CN110612793A (en) * | 2019-09-27 | 2019-12-27 | 孙二建 | Spray-seeding greening method for waste rock hill |
| CN110800415A (en) * | 2019-12-12 | 2020-02-18 | 陕西省土地工程建设集团有限责任公司 | Ecological treatment method in Qinba mountain land remediation engineering |
-
2020
- 2020-05-28 CN CN202010469118.4A patent/CN111622239A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882880A (en) * | 2014-04-16 | 2014-06-25 | 中冶集团武汉勘察研究院有限公司 | Buried type side slope drainage system and construction method thereof |
| CN106958264A (en) * | 2016-07-14 | 2017-07-18 | 宁波海逸园林工程有限公司 | A kind of highway greenbelt and its construction method |
| CN106168030A (en) * | 2016-07-27 | 2016-11-30 | 西北大学 | A kind of Loess Landslide countermeasure system based on restoration of the ecosystem |
| CN107023022A (en) * | 2017-04-12 | 2017-08-08 | 山西绿巨人环境科技有限公司 | It is a kind of based on the stone pit waste side slope massif shaping methods for harvesting alignment sequence |
| JP2019143381A (en) * | 2018-02-21 | 2019-08-29 | 積水化学工業株式会社 | Rainwater drainage system |
| CN108265894A (en) * | 2018-03-28 | 2018-07-10 | 杭州法莱科技有限公司 | Look for slope ditching type drainage system |
| CN110612793A (en) * | 2019-09-27 | 2019-12-27 | 孙二建 | Spray-seeding greening method for waste rock hill |
| CN110800415A (en) * | 2019-12-12 | 2020-02-18 | 陕西省土地工程建设集团有限责任公司 | Ecological treatment method in Qinba mountain land remediation engineering |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064653A (en) * | 2020-09-21 | 2020-12-11 | 长安大学 | Composite loess slope ecological slope protection method |
| CN114000475A (en) * | 2021-11-30 | 2022-02-01 | 长安大学 | Farmland soil drainage system for ditch treatment and land reclamation of loess plateau and construction method thereof |
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