CN105484225B - Gully head energy dissipation gully bank stabilizing method - Google Patents

Gully head energy dissipation gully bank stabilizing method Download PDF

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Publication number
CN105484225B
CN105484225B CN201510992671.5A CN201510992671A CN105484225B CN 105484225 B CN105484225 B CN 105484225B CN 201510992671 A CN201510992671 A CN 201510992671A CN 105484225 B CN105484225 B CN 105484225B
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gully
ditch
head
bank
energy dissipation
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CN105484225A (en
Inventor
熊东红
杨丹
张素
张宝军
郭敏
郑学用
董一帆
苏正安
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Institute of Mountain Hazards and Environment IMHE of CAS
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Institute of Mountain Hazards and Environment IMHE of CAS
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00Improving or preserving soil or rock, e.g. preserving permafrost soil
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B79/00Methods for working soil
    • A01B79/02Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G17/00Cultivation of hops, vines, fruit trees, or like trees
    • A01G17/02Cultivation of hops or vines
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G2/00Vegetative propagation
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02Improving by compacting
    • E02D3/10Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains

Abstract

The invention discloses a method for dissipating energy of a gully head and stabilizing a gully bank, which comprises a method for treating the gully head, the gully wall and the gully bank, and specifically comprises the following steps: in the gully head, the gully head energy dissipation and drainage water storage device is adopted to perform energy dissipation and drainage on the drop water in the water collection area; and for the groove and the bank, a groove and bank vine shading and stabilizing method is adopted. The invention relates to a ditch treatment method with strong pertinence, which is adopted based on different runoff conditions and habitat conditions of ditch head, ditch wall, ditch bank and other parts, such as strong ditch head drop erosion, rapid retreat, steep ditch bank gradient, severe water temperature change and frequent collapse. The technology has the advantages of ecological benefit, planting of vine plants with high economic value, high economic benefit, capability of exerting the enthusiasm of local residents, and high practical application and popularization value.

Description

Gully head energy dissipation gully bank stabilizing method
Technical Field
The invention belongs to the field of water and soil conservation ecological management, and particularly relates to a method for energy dissipation of a gully head and stabilization of a gully bank.
Background
The furrow erosion refers to a soil erosion form that surface runoff gathered together erodes and destroys soil and parent substances thereof to form furrows cut into the ground surface. The erosion sand production in the loess plateau area of China can account for 40-70% of the sand production in the flow field, and the ditch in the southern hilly area Erosion sand can account for 87% of the river basin sand production, and ditch erosion sand production is one of the important sources of river basin water and soil loss. The gully of the dry and hot river valley region of Jinshajiang river is developed greatly, the valley area of the region can account for 58.1 percent of the total area of the drainage basin, and the valley density can reach 7.4km/km 2the soil erosion modulus is 1.64 multiplied by 10 4t/(km2A). The gully develops the silkworm food cultivated land, destroys the road, reduces the productivity of the land, seriously influences the agricultural development of the region, and jeopardizes the downstream ecological safety and the exertion of the benefits of the water conservancy and hydropower engineering. The existing gully management measures mostly adopt natural forbidding for forbidding people and livestock from entering trampling and utilize engineering measures to artificially reinforce easily collapsed and high-yield sand areas. The time required by natural sealing is long, the plant grows slowly, the economic benefit is low, and the popularization and application value is not high; the artificial reinforcement can only cover a small part of gullies with extremely serious erosion, and has high cost and unsatisfactory treatment effect. How to adopt reasonable and effective treatment measures not only controls the growth rate of the gully and reduces water and soil loss, but also properly increases the economic benefits of barren mountains, and has profound significance on the social and economic sustainable development of the gully growth area and the ecological safety of rivers.
Disclosure of Invention
The invention provides a method for stabilizing an energy dissipation ditch bank of a gully head, aiming at the problems of long time, high cost and non-ideal effect in the prior gully treatment, which comprises a treatment scheme for the gully head, the ditch wall and the ditch bank.
The invention is realized by the following steps:
A method for stabilizing an energy dissipation ditch bank of a gully head comprises a method for treating the gully head, a gully wall and a gully bank, and comprises the following steps:
1) At the gully head, adopt gully head energy dissipation to arrange the retaining device and carry out the energy dissipation drainage to the drop of catchment area:
The gully head energy dissipation and water drainage and storage device comprises a cement pool, wherein the cross section of the cement pool is trapezoidal, one side close to the gully head is a trapezoidal narrow side, and one side far away from the gully head is a trapezoidal wide side; the cement pool bottom is horizontal, the height of one side close to the ditch head is 100cm, the height of one side far away from the ditch head is 120cm, a cobble layer with the thickness of 10cm is paved at the cement pool bottom, a shrub deadwood layer with the thickness of 20cm is horizontally arranged on the cobble layer, and thatch with the thickness of 5cm is paved on the shrub deadwood layer. A layer of backflow buffer piles stacked by cobblestones is arranged on one side, far away from the ditch head, in the cement pond, the longitudinal section of each backflow buffer pile is arc-shaped, and the height of each backflow buffer pile is 80 cm. The cement pool is transversely spaced by 10cm from the pool wall at a position 5cm away from the inner bottom surface, and a plurality of overflow holes with the aperture of 3cm are arranged on the pool wall. A circle of water storage tanks with the width and the height of 10cm are arranged on the periphery of the bottom of the cement pool. The bottom of the water storage tank is provided with a water outlet with the aperture of 8cm so as to connect a drain pipe to intensively store runoff into the ditch bed water storage tank. The cement pool has the functions of energy dissipation, water storage and drought relief. A net-shaped anti-blocking device is arranged on the water outlet hole in the water storage tank, so that the water outlet pipe is prevented from being blocked by silt. The diameters of cobbles in the cobble layer and the reflux buffer pile are 1-10 cm. In the shrub dry branch layer, the diameter of branches of the shrub dry branches is 0.5-1.0 cm.
The gully head energy dissipation and water drainage and storage device arranged at the gully head can simulate a drop pit at the lower part of the gully head to reduce the drop kinetic energy of the gully head, relieve the water disintegration rate of soil body at the lower part of the gully head and the gully wall, and inhibit the erosion of the gully head by tracing. In addition, this energy dissipation pond can also play the effect of storing up moisture, alleviating the drought. And the construction raw materials have wide sources and low cost, and are convenient for large-scale popularization and application.
2) For the ditch and bank, a ditch and bank vine shading and stabilizing method is adopted, and specifically comprises the following steps:
The vine roots are densely planted on the platform at the top of the ditch and the connection part of the bottom of the ditch and the ditch bed in a row respectively; the vine grapes are arranged in rows at the waist of the ditch and the bank in a mode of hanging potted plants. The kudzu root is a leguminous plant, has the effects of fixing nitrogen and improving soil, and can improve the conditions of large temperature difference change, fast water loss, strong physical weathering and crack development of a bare soil body of a ditch wall after growth, be beneficial to improving the habitat, promote the growth of pioneer plants and promote the stability of a ditch bank; and the harvested kudzuvine roots can generate certain economic benefit. The grapes are hung in the middle of the ditch bank in a potted mode, so that the waist of the ditch bank which is difficult to protect at ordinary times can be covered by vegetation, the effect of improving the environment is further improved, the grapes are good economic crops, and the economic benefit is remarkable.
The liana can plant multiple rows to guarantee that the ditch bank can be completely covered by the liana, so that the conditions of the soil moisture and the temperature of the ditch bank can be improved, the stability of the ditch bank is promoted, the occurrence probability of collapse is reduced, the habitat is further improved, and the growth of pioneer plants is promoted.
The invention relates to a gully management method with strong pertinence, which is based on different runoff conditions and habitat conditions of gully walls, gullies and other positions of gully heads, such as bare gully wall soil, steep gully slope, severe change of moisture and temperature and easy collapse. The technology has the advantages of ecological benefit, planting of vine plants with high economic value, high economic benefit, capability of exerting the enthusiasm of local residents, and high practical application and popularization value.
Drawings
FIG. 1 is a schematic view of the longitudinal section structure of a gully head energy dissipation and water drainage and storage device;
FIG. 2 is a schematic cross-sectional structure view of the gully head energy dissipation and water drainage and storage device;
Figure 3 is the exterior structure diagram of the gully head energy dissipation and water drainage and storage device.
Detailed Description
As shown in the attached drawings, the method for stabilizing the energy dissipation ditch bank of the gully head comprises the treatment of the gully wall and the ditch bank of the gully head, which comprises the following steps:
1) At the gully head, adopt gully head energy dissipation to arrange the retaining device and carry out the energy dissipation and reduce and lose to the drop of gully head:
As shown in attached figures 1, 2 and 3, the energy dissipation, drainage and water storage device for the gully head comprises a cement pool 1, wherein the cross section of the cement pool is trapezoidal, one side close to the gully head is a trapezoidal narrow side, and one side far away from the gully head is a trapezoidal wide side; the cement pool bottom is horizontal, the height of one side close to the ditch head is 100cm, the height of one side far away from the ditch head is 120cm, a cobble layer 2 with the thickness of 10cm is paved at the cement pool bottom, a shrub dead branch layer 3 with the thickness of 20cm is horizontally arranged on the cobble layer, and thatch 4 with the thickness of 5cm is paved on the shrub dead branch layer. A layer of backflow buffer piles 5 piled with cobblestones is arranged on one side, far away from the ditch head, in the cement pool, the longitudinal section of each backflow buffer pile is arc-shaped, and the height of each backflow buffer pile is 80 cm. And a plurality of overflow holes 6 with the aperture of 3cm are arranged on the wall of the cement pool at the position 5cm away from the inner bottom surface and at the transverse interval of 10 cm. And a circle of water storage tanks 7 with the width and the height of 10cm are arranged on the periphery of the bottom of the cement pool. The bottom of the water storage tank is provided with a water outlet with the aperture of 8cm so as to connect a drain pipe to intensively store runoff into the ditch bed water storage tank. The cement pool has the functions of energy dissipation, water storage and drought relief. A net-shaped anti-blocking device is arranged on the water outlet hole in the water storage tank, so that the water outlet pipe is prevented from being blocked by silt. The diameters of the cobbles in the cobble layer and the backflow buffer pile are 1-10 cm. In the shrub dry branch layer, the diameter of branches of the shrub dry branches is 0.5-1.0 cm.
In the practical use process, according to the condition of a gully head, the trapezoid cross section of the cement pool generally used for energy dissipation has the upper bottom width of 50-100cm, the lower bottom width of 100-200cm and the height of 100-150 cm.
The energy dissipation, water drainage and storage device for the ditch head can simulate a drop pit at the lower part of the ditch head to reduce the drop kinetic energy of the ditch head, relieve the disintegration rate of soil mass at the lower part of the ditch wall of the ditch head in water and inhibit the erosion of the ditch head in tracing. In addition, this energy dissipation pond can also play the effect of storing up moisture, alleviating the drought. And the raw materials have wide sources and low cost, and are convenient for large-scale popularization and application.
2) For the ditch and bank walls, the ditch and bank rattan shading and bank fixing is adopted, and the method specifically comprises the following steps:
The vine roots are densely planted on the platform at the top of the ditch and the connection part of the bottom of the ditch and the ditch bed in a row respectively; the vine grapes are arranged in rows at the waist of the ditch and the bank in a mode of hanging potted plants. The kudzu root is a leguminous plant, has the effects of fixing nitrogen and improving soil, and can improve the conditions of large temperature difference change, fast water loss, strong physical weathering and crack development of a bare soil body of a ditch wall after growth, be beneficial to improving the habitat, promote the growth of pioneer plants and promote the stability of a ditch bank; and the harvested kudzuvine roots can generate certain economic benefit. The grapes are hung in the middle of the ditch bank in a potted mode, so that the waist of the ditch bank which is difficult to protect at ordinary times can be covered by vegetation, the effect of improving the environment is further improved, the grapes are good economic crops, and the economic benefit is remarkable.
The liana can plant multiple rows to guarantee that the ditch bank can be completely covered by the liana, so that the conditions of the soil moisture and the temperature of the ditch bank can be improved, the stability of the ditch bank is promoted, the occurrence probability of collapse is reduced, the habitat is further improved, and the growth of pioneer plants is promoted.

Claims (1)

1. A method for dissipating energy of a gully head and stabilizing a gully bank comprises a method for treating the gully head, the gully wall and the gully bank, and is characterized in that:
1) At the gully head, adopt gully head energy dissipation to arrange the retaining device and carry out the energy dissipation drainage to the drop of catchment area:
The gully head energy dissipation and water drainage and storage device comprises a cement pool, wherein the cross section of the cement pool is trapezoidal, one side close to the gully head is a trapezoidal narrow side, and one side far away from the gully head is a trapezoidal wide side; the bottom of the cement pool is horizontal, the height of one side close to the ditch head is 100cm, the height of one side far away from the ditch head is 120cm, a cobble layer with the thickness of 10cm is paved at the bottom of the cement pool, a shrub deadwood layer with the thickness of 20cm is horizontally arranged on the cobble layer, and thatch with the thickness of 5cm is paved on the shrub deadwood layer; a layer of backflow buffer piles stacked by cobblestones is arranged on one side, far away from the ditch head, in the cement pond, the longitudinal section of each backflow buffer pile is arc-shaped, and the height of each backflow buffer pile is 80 cm; the cement pool is transversely spaced by 10cm from the pool wall at the position 5cm away from the inner bottom surface, and a plurality of overflow holes with the aperture of 3cm are arranged; a circle of water storage tanks with the width and the height of 10cm are arranged at the periphery of the bottom of the cement pool; a water outlet hole with the aperture of 8cm is formed in the bottom of the water storage tank, and the water outlet hole is connected with a drain pipe to store runoff into the ditch bed water storage tank in a centralized manner; the cement pool has the functions of energy dissipation, water storage and drought relief; a reticular anti-blocking device is arranged on the water outlet hole in the water storage tank to prevent silt from blocking the drain pipe; the diameters of cobbles in the cobble layer and the backflow buffer pile are 1-10 cm; in the shrub dry branch layer, the diameter of branches of the shrub dry branches is 0.5-1.0 cm;
2) For the ditch and bank, a ditch and bank vine shading and stabilizing method is adopted, and specifically comprises the following steps:
The vine roots are densely planted on the platform at the top of the ditch and the connection part of the bottom of the ditch and the ditch bed in a row respectively; arranging vine grapes in rows at the waist of the ditch and the bank in a mode of hoisting and potting;
The liana plants are planted in multiple rows.
CN201510992671.5A 2015-12-25 2015-12-25 Gully head energy dissipation gully bank stabilizing method Active CN105484225B (en)

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CN108834462B (en) * 2018-06-29 2021-05-14 中国科学院、水利部成都山地灾害与环境研究所 Vegetation configuration method for preventing and treating water and soil loss of dry-hot valley gully development area
CN110295612A (en) * 2019-06-25 2019-10-01 福建工程学院 The method for administering gully stone riprap waste using waste steel wire rope

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JPH11209945A (en) * 1998-01-23 1999-08-03 Sanchuu:Kk Revetment imitation stone and its manufacture
CN102146665B (en) * 2010-12-20 2012-09-26 云南省农业科学院热区生态农业研究所 Treatment method for slowing gully erosion
CN202073171U (en) * 2011-05-18 2011-12-14 西安长庆科技工程有限责任公司 Open highland water drainage energy dissipation tank
CN103125296B (en) * 2013-03-16 2015-05-20 云南省林业科学院 Plant water retention pit and water retention method of Yunnan phosphorite refuse dumps
CN103880257B (en) * 2014-04-14 2015-09-30 中国科学院亚热带农业生态研究所 The ecologic assemblage treatment process of a kind of rural area decentralized type sewage and device
CN204370437U (en) * 2014-12-16 2015-06-03 孙海元 A kind of soil and water conservation facility of bank protection
CN105103843B (en) * 2015-07-27 2018-01-12 中国科学院、水利部成都山地灾害与环境研究所 Prevent and treat the vegetation arrangement method of dry-hot valley Mine production soil erosion

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