CN108166520B - Water and soil conservation method for electric power transmission line engineering construction - Google Patents

Water and soil conservation method for electric power transmission line engineering construction Download PDF

Info

Publication number
CN108166520B
CN108166520B CN201711486480.7A CN201711486480A CN108166520B CN 108166520 B CN108166520 B CN 108166520B CN 201711486480 A CN201711486480 A CN 201711486480A CN 108166520 B CN108166520 B CN 108166520B
Authority
CN
China
Prior art keywords
foundation
soil
water
power transmission
transmission line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201711486480.7A
Other languages
Chinese (zh)
Other versions
CN108166520A (en
Inventor
潘晴子
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Hua Bo Supply And Use Engineering Co Ltd
Original Assignee
Nanjing Hua Bo Supply And Use Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Hua Bo Supply And Use Engineering Co Ltd filed Critical Nanjing Hua Bo Supply And Use Engineering Co Ltd
Priority to CN201711486480.7A priority Critical patent/CN108166520B/en
Publication of CN108166520A publication Critical patent/CN108166520A/en
Application granted granted Critical
Publication of CN108166520B publication Critical patent/CN108166520B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/42Foundations for poles, masts or chimneys
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • E02D29/0258Retaining or protecting walls characterised by constructional features
    • E02D29/0283Retaining or protecting walls characterised by constructional features of mixed type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Cultivation Of Plants (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)

Abstract

The invention discloses a water and soil conservation method for electric power transmission line engineering construction, which comprises the following steps of 1: evaluating the along-the-way environment of the power transmission line; step 2: building a pole tower foundation, and selecting any one of an excavation backfill foundation, an excavation foundation, a rock foundation, a pile foundation, a spiral anchor foundation, a sunk well foundation and a composite foundation; and step 3: and (3) water and soil conservation of the tower footing side slope: engineering measures are as follows: in order to ensure the safety of the upper slope, a drainage ditch is arranged on the slope according to the water catchment condition above the tower position and the steepness and slowness of the mountain, and a rock block slope protection or a retaining wall is adopted to protect the slope on the upper slope with poor water quality; plant measures are as follows: and (4) avoiding large trees in the construction process, and planting local grass on the constructed ground. The side slope after the tower footing is built can play the effect of keeping soil through building retaining wall to keeping soil and water, and set up the escape canal that is the contained angle setting with the side slope incline direction on the side slope and can make the effect of keeping soil and water more excellent.

Description

Water and soil conservation method for electric power transmission line engineering construction
Technical Field
The invention relates to the field of electric power engineering construction, in particular to a water and soil conservation method for electric power transmission line engineering construction.
Background
With the continuous and rapid development of national economy, the demand of the power market is increasing day by day, but the power transmission line engineering can affect the environment, which is embodied as the influence on the ecological environment, the influence on water and soil loss, the conformity and compatibility of land occupation, line selection and site selection of a line corridor and related planning, the influence on the electromagnetic environment in operation, even the influence on landscape and the like.
The influence of the transmission line on the water and soil loss mainly comprises that the undisturbed earth surface is damaged to different degrees due to the fact that the iron tower foundation, the construction anchor pit excavation, the iron tower base surface leveling, the construction road construction and the leveling disturbance earth surface of a tension field in the engineering construction process.
Except that each tower foundation permanently occupies the soil, the power transmission line still needs to temporarily occupy partial soil in the construction process, so that partial crops and fruit trees are damaged in a short period, and the original landform and vegetation are damaged by surface excavation during the pouring of the iron tower foundation, so that water and soil loss is generated.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a method for maintaining water and soil in the engineering construction of a power transmission line, which can reduce the loss of water and soil.
The technical purpose of the invention is realized by the following technical scheme:
a method for maintaining water and soil for electric power transmission line engineering construction comprises the following steps:
step 1: evaluating the along-the-way environment along the power transmission line, and analyzing the landform, the geological structure, the geotechnical foundation engineering geological condition, the geotechnical foundation hydrogeological condition and the temperature change along the power transmission line;
step 2: building a pole tower foundation, and selecting any one of an excavation backfill foundation, an excavation foundation, a rock foundation, a pile foundation, a spiral anchor foundation, a sunk well foundation and a composite foundation;
and step 3: and (3) water and soil conservation of the tower footing side slope:
engineering measures are as follows: in order to ensure the safety of the upper slope, a drainage ditch is arranged on the slope according to the water catchment condition above the pole tower and the steepness and slowness of the mountain, and a rock block slope protection or a retaining wall is adopted to protect the slope on the upper slope with poor water quality; in order to ensure the safety of the side slope below the tower footing, a second drainage ditch is arranged at the edge of the surface of the tower footing;
plant measures are as follows: and (4) avoiding large trees in the construction process, and planting local grass on the constructed ground.
Through the technical scheme, a proper construction scheme can be selected through the operation of environment evaluation in the step 1; selecting a proper construction mode for constructing the tower foundation in the step 2 so as to ensure that the stability of the tower foundation structure is high; the water and soil conservation in the step 3 can reduce water and soil loss caused by landslide and other phenomena at the position of the side slope; and in the plant measures, avoidance is carried out on large numbers, so that the damage to the ground surface is reduced, the ecological restoration of the construction region is facilitated, and the engineering measures are used for reducing water and soil loss in the initial stage after the construction is finished.
The invention is further configured to: when the tower foundation is built, raw soil, mature soil and waste are stacked separately and covered by a dustproof net after being stacked.
Through the technical scheme, the raw soil, the mellow soil and the waste are separately stacked, so that the raw soil, the mellow soil and the waste can be separately backfilled when the tower foundation is buried, and the soil recovery speed is increased.
The invention is further configured to: the drainage ditch on the side slope and the slope direction of the side slope form an included angle.
Through above-mentioned technical scheme, the escape canal is the effect that the structure that the contained angle set up can play certain separation soil and water with side slope incline direction, has prolonged the route that rivers passed through, has strengthened the drainage effect.
The invention is further configured to: building block stone bank protection sets up the piece stone layer in ecological bag layer top including setting up the ecological bag layer on the bank protection surface course, and the piece stone is provided with evenly distributed's opening on the layer, plants the plant on the bank protection and wears out the opening and grow.
Through above-mentioned technical scheme, the ecological bag layer can play the effect of protection soil and water, and can play additional strengthening's effect on the cubic stone layer that ecological bag top set up. And the plant of planting on the bank protection is grown from the opening part, keeps soil and water on the one hand, and on the other hand makes the plant growth even.
The invention is further configured to: the retaining wall comprises a foundation layer, the foundation layer is a permeable concrete pipeline, a notch is formed in the permeable concrete pipeline close to the upper surface, a soil layer is arranged inside the permeable concrete pipeline, a retaining wall body is built along the notch, and a stone block layer, a permeable reinforced concrete reinforcing layer, a cement blanket layer and a reinforcing layer are sequentially arranged on the retaining wall body from a tower to the back of the tower; the gaps of the masonry block layers are filled with pervious concrete layers.
Through the technical scheme, the permeable concrete pipeline arranged on the foundation layer keeps normal diffusion of moisture, and meanwhile, the concrete pipeline can increase the blocking area of water and soil, so that the effect of blocking soil is enhanced; the concrete pipeline is provided with a notch, the retaining wall arranged along the notch can enhance the water and soil retention capacity, and the retaining wall comprises a masonry block layer and has stronger structural strength; the permeable reinforced concrete layer can not only enhance the structural strength, but also allow partial water flow to pass through, thereby keeping good ecological balance; the cement blanket layer has good structural strength.
The invention is further configured to: the semi-circular arc type pipeline that is close to subbase bottom goes up the border and is provided with a plurality of evenly distributed's lug, is provided with the locating part of injecing the concrete pipe position of permeating water on the subbase, the lug is fixed in on the locating part.
Through above-mentioned technical scheme, the setting of locating part can strengthen the structural strength of concrete pipe that permeates water, and retaining wall's structural stability is high.
The invention is further configured to: the locating part sets up to be located the concrete block that permeates water the cross-section of concrete pipe both sides and be right trapezoid, and the right angle face of concrete block is close to the concrete pipe setting that permeates water.
Through above-mentioned technical scheme, concrete block can strengthen soil and water retentivity on the one hand, and on the other hand can play the position of injecing the concrete pipe that permeates water, and the retaining wall's that makes structure is more stable, and concrete block's structure sets up to right trapezoid structure, and right trapezoid structure can play the effect that bears soil, reduces soil erosion and water loss.
The invention is further configured to: the reinforcing layer is set to be a reinforced concrete layer.
Through above-mentioned technical scheme, the structural strength of reinforcing retaining wall that setting up of back up coat can be further for retaining wall is good when being used for the manger plate.
The invention is further configured to: one side of the retaining wall, which is far away from the tower footing, is provided with a soil wall, and local grass is planted on the soil wall.
Through the technical scheme, the arrangement of the local grass on the earth wall is beneficial to the recovery of the constructed soil, and the water and soil conservation capability is enhanced.
In summary, compared with the prior art, the beneficial effects of the invention are as follows:
1. the soil and water conservation of the side slope after the tower footing is built can be realized by building a retaining wall, and the effect of soil and water conservation can be better by arranging the drainage ditch which forms an included angle with the slope direction on the side slope;
2. the ecological bag layer and the stone layer which are arranged on the side slope can be matched with each other, so that the water and soil retention capacity is enhanced.
Drawings
FIG. 1 is an overall block diagram of one embodiment;
FIG. 2 is a structural diagram of the rock slope according to the first embodiment;
FIG. 3 is a structural view of the second embodiment;
fig. 4 is a structural view of a retaining wall according to the second embodiment.
Reference numerals: 1. a pole tower; 2. a drainage ditch; 3. block stone slope protection; 31. an ecological bag layer; 32. a lump stone layer; 321. an opening; 4. a retaining wall; 41. a pervious concrete pipe; 42. cutting; 43. building a stone block layer; 44. a permeable reinforced concrete reinforcing layer; 45. a cement blanket layer; 46. a reinforcement layer; 47. a bump; 48. a limiting member; 5. and (5) earth wall.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example 1
A method for maintaining water and soil for electric power transmission line engineering construction comprises the following steps:
step 1: evaluating the along-the-way environment along the power transmission line, and analyzing the landform, the geological structure, the geotechnical foundation engineering geological condition, the geotechnical foundation hydrogeological condition and the temperature change along the power transmission line;
step 2: building a tower 1 foundation, and selecting any one of an excavation backfill foundation, an excavation foundation, a rock foundation, a pile foundation, a spiral anchor foundation, a sunk well foundation and a composite foundation;
and step 3: and (3) water and soil conservation of the tower footing side slope:
engineering measures are as follows: in order to ensure the safety of the upper slope, a drainage ditch 2 is arranged on the slope according to the water catchment condition above the tower position and the steepness and slowness of the mountain, and a rock block protection slope 3 is adopted on the upper slope with poor water quality to protect the slope;
plant measures are as follows: and (4) avoiding large trees in the construction process, and planting local grass on the constructed ground.
When the foundation of the tower 1 is built, the raw soil, the mellow soil and the waste are stacked separately, and the raw soil, the mellow soil and the waste are covered by the dustproof net during stacking, so that the soil loss caused in rainy days is reduced.
As shown in fig. 1, the drainage ditch 2 is arranged at an angle to the slope direction of the side slope.
As shown in fig. 2, the stone block revetment 3 includes an ecological bag layer 31 disposed on the revetment surface layer, and a stone block layer 32 disposed on the ecological bag layer 31, wherein the stone block layer 32 is provided with openings 321 uniformly distributed, and plants planted on the revetment penetrate through the openings 321 to grow. The plants grown are preferably plants that are compatible with the local soil environment.
Set up good back with stone block bank protection 3, during rainwater weather, the rainwater removed along escape canal 2, and the intensity of stone layer 32 cooperation reinforcing side slope, wholly set up the harmful effects that have reduced the electric power transmission engineering and caused natural environment.
Example 2
The difference between the embodiment 2 and the embodiment 1 is that the retaining wall 4 is arranged to function when retaining the slope soil, as shown in fig. 3 and 4, when the retaining wall 4 is arranged, firstly, an installation groove is dug on the slope, then a foundation layer is built in the installation groove, wherein the foundation layer is a pervious concrete pipeline 41, a notch 42 is arranged on the pervious concrete pipeline 41 close to the upper surface, a soil layer is arranged in the pipeline, and a retaining wall body is built along the notch 321, and the retaining wall body is sequentially provided with a stone block layer 43, a pervious reinforced concrete reinforcing layer 44, a cement blanket layer 45 and a reinforcing layer 46 from the tower 1 to the position away from the tower 1; a permeable concrete layer is filled in the gap of the masonry block layer 43; the reinforcement layer 46 is provided as a reinforced concrete layer.
The lateral wall of the pervious concrete pipe 41 is provided with a plurality of uniformly distributed lugs 47, the foundation layer is provided with a limiting part 48 for limiting the position of the pervious concrete pipe 41, and the lugs 47 are fixed on the limiting part 48. The limiting members 48 are concrete blocks with right-angled trapezoidal cross sections located on both sides of the pervious concrete pipes 41, and the right-angled surfaces of the concrete blocks are arranged close to the pervious concrete pipes 41.
Retaining wall 4 deviates from column foot one side and is provided with soil wall 5, has planted local grass on the soil wall 5. Escape canal 2 is the contained angle setting with side slope incline direction, and is close to retaining wall 4 and deviates from one side and retaining wall 4 parallel arrangement of 1 base face of shaft tower.
After the retaining wall 4 is arranged, in the rain weather, the rain water moves along the drainage ditch 2, and the rain water close to the retaining wall 4 moves along the direction parallel to the retaining wall 4, so that the phenomenon of strength reduction of the retaining wall 4 caused by flushing of the rain water in front of the retaining wall 4 is reduced; meanwhile, the local grass planted in front of the retaining wall 4 can assist the recovery of the natural environment, and the adverse effect of the power transmission engineering on the natural environment is reduced.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.

Claims (8)

1. A method for maintaining water and soil for electric power transmission line engineering construction is characterized by comprising the following steps: the method comprises the following steps:
step 1: evaluating the along-the-way environment along the power transmission line, and analyzing the landform, the geological structure, the geotechnical foundation engineering geological condition, the geotechnical foundation hydrogeological condition and the temperature change along the power transmission line;
step 2: building a tower (1) foundation, and selecting any one of an excavation backfill foundation, an excavation foundation, a rock foundation, a pile foundation, a spiral anchor foundation, a sunk well foundation and a composite foundation;
and step 3: and (3) water and soil conservation of the tower footing side slope:
engineering measures are as follows: in order to ensure the safety of the upward slope, a drainage ditch (2) is arranged on the upward slope according to the water catchment condition above the tower (1) and the steepness and slowness of the mountain, and a retaining wall (4) is adopted to protect the upward slope with poor soil quality;
plant measures are as follows: large trees in the construction process are avoided, and local grass is planted on the ground after construction;
the retaining wall (4) comprises a foundation layer, the foundation layer is provided with permeable concrete pipelines (41), the permeable concrete pipelines (41) are provided with notches (42) close to the upper surface, soil layers are arranged inside the permeable concrete pipelines (41), retaining wall bodies are laid along the notches (42), and the retaining wall bodies are sequentially provided with a stone block layer (43), a permeable reinforced concrete reinforcing layer (44), a cement blanket layer (45) and a reinforcing layer (46) from the tower (1) to the direction away from the tower (1); the gap of the masonry block layer (43) is filled with a permeable concrete layer.
2. The method for maintaining water and soil for electric power transmission line engineering construction according to claim 1, which is characterized in that: when the foundation of the tower (1) is built, raw soil, mature soil and waste are stacked separately and covered by a dustproof net after being stacked.
3. The method for maintaining water and soil for electric power transmission line engineering construction according to claim 1, which is characterized in that: the drainage ditch (2) on the side slope and the slope direction of the side slope form an included angle.
4. The method for maintaining water and soil for electric power transmission line engineering construction according to claim 1, which is characterized in that: the lateral wall of the pervious concrete pipeline (41) is provided with a plurality of uniformly distributed lugs (47), the foundation bed layer is provided with a limiting part (48) for limiting the position of the pervious concrete pipeline (41), and the lugs (47) are fixed on the limiting part (48).
5. The method for maintaining water and soil for electric power transmission line engineering construction according to claim 4, characterized by comprising the following steps: the limiting pieces (48) are arranged into concrete blocks with right-angled trapezoid cross sections on two sides of the pervious concrete pipelines (41), and the right-angled surfaces of the concrete blocks are arranged close to the pervious concrete pipelines (41).
6. The method for maintaining water and soil for electric power transmission line engineering construction according to claim 4, characterized by comprising the following steps: the reinforcing layer (46) is set to be a reinforced concrete layer.
7. The method for maintaining water and soil for electric power transmission line engineering construction according to claim 6, characterized by comprising the following steps: one side, deviating from the tower footing, of the retaining wall (4) is provided with a soil wall (5), and local grass is planted on the soil wall (5).
8. The method for maintaining water and soil for electric power transmission line engineering construction according to claim 6, characterized by comprising the following steps: escape canal (2) are the contained angle setting with side slope incline direction, and are close to retaining wall (4) and deviate from one side and retaining wall (4) parallel arrangement of shaft tower (1) base face.
CN201711486480.7A 2017-12-30 2017-12-30 Water and soil conservation method for electric power transmission line engineering construction Active CN108166520B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711486480.7A CN108166520B (en) 2017-12-30 2017-12-30 Water and soil conservation method for electric power transmission line engineering construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711486480.7A CN108166520B (en) 2017-12-30 2017-12-30 Water and soil conservation method for electric power transmission line engineering construction

Publications (2)

Publication Number Publication Date
CN108166520A CN108166520A (en) 2018-06-15
CN108166520B true CN108166520B (en) 2020-02-14

Family

ID=62516199

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711486480.7A Active CN108166520B (en) 2017-12-30 2017-12-30 Water and soil conservation method for electric power transmission line engineering construction

Country Status (1)

Country Link
CN (1) CN108166520B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110924407A (en) * 2019-12-04 2020-03-27 中国电建集团江西省水电工程局有限公司 Construction Method of Zero Disturbance Soil and Water Conservation on Lower Slope
CN113502825B (en) * 2021-07-30 2022-10-18 中国电建集团福建省电力勘测设计院有限公司 Water conservation method for mountain power transmission line tower position mechanized construction
CN113529686B (en) * 2021-08-20 2023-02-28 国网福建省电力有限公司电力科学研究院 A Soil and Water Conservation System in Tower Base Area of Transmission Line
CN113982002B (en) * 2021-12-06 2022-11-18 中铁二院工程集团有限责任公司 Construction method of light side slope framework structure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100696271B1 (en) * 2004-02-05 2007-03-19 (주)바로건설기술 Ready-made concrete pile used for permanent cladding structure
CN200967963Y (en) * 2006-11-15 2007-10-31 广东省电力设计研究院 Digging base with baffle plate
CN104452729A (en) * 2013-09-16 2015-03-25 姜丹宁 Water and soil conservation method of electric power transmission line engineering construction

Also Published As

Publication number Publication date
CN108166520A (en) 2018-06-15

Similar Documents

Publication Publication Date Title
CN106149625B (en) A kind of ecological self-purification type landscape revetment reconstruction structure and its construction method
CN108166520B (en) Water and soil conservation method for electric power transmission line engineering construction
CN103898870A (en) Gabion box ecological gabion river channel slope protection construction method
CN101622931A (en) Greening sloping surface for rock side slope facing wall and construction method thereof
CN106368227A (en) Water erosion prevention system and method for ecology of slope of abandoned rear-earth mine land
CN103362135B (en) Fang Beng hilllock, protect water and soil net grass bank protection
CN110565577A (en) Ecological restoration method for channel renovation project
CN108222026A (en) The restorative procedure of coal mine small-sized hillock
CN103290911A (en) Ecological reinforced concrete drainage ditch and construction method thereof
Hearn et al. Performance of slope stabilization trials on the road network of Laos
CN105887757A (en) Ecological slope protection composite retaining wall structure and construction method
CN108411856B (en) Ecological restoration structure and method for river waste residue bank slope
CN206438465U (en) A kind of ecological self-purification type landscape revetment reconstruction structure
CN206693140U (en) A kind of protection slope
CN105756015B (en) A method for restoration of biodiversity dynamic landscape ecological composite system
CN215252645U (en) Simple supporting structure for treating channel slope collapse
CN106836243B (en) A kind of sponge greenery patches of suitable mountain topography and its building method
CN114444311A (en) Water and soil conservation design method and system for overhead transmission line engineering in hilly area
CN206245320U (en) A kind of rare earth slash protecting slope ecology system
CN206245319U (en) A kind of anti-rare earth slash side slope water erosion system
CN111955254A (en) Forest-water symbiotic construction method for coastal high-heap areas
CN108222216B (en) A rainwater ecological drainage system and its construction method
CN206418460U (en) Ecological slope protection structure
CN215562318U (en) Ecological bank protection
CN112854131B (en) Ecological revetment in water source protection area and construction method thereof

Legal Events

Date Code Title Description
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant