CN203233657U - Local modeling of coast saline-alkali land terraced field dredger fill - Google Patents
Local modeling of coast saline-alkali land terraced field dredger fill Download PDFInfo
- Publication number
- CN203233657U CN203233657U CN 201320292655 CN201320292655U CN203233657U CN 203233657 U CN203233657 U CN 203233657U CN 201320292655 CN201320292655 CN 201320292655 CN 201320292655 U CN201320292655 U CN 201320292655U CN 203233657 U CN203233657 U CN 203233657U
- Authority
- CN
- China
- Prior art keywords
- fill
- barged
- soil
- local
- dredger fill
- 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.)
- Expired - Fee Related
Links
- 239000003513 alkali Substances 0.000 title abstract description 11
- 239000002689 soil Substances 0.000 claims abstract description 78
- 239000010902 straw Substances 0.000 claims abstract description 35
- 238000001764 infiltration Methods 0.000 claims abstract description 26
- 239000011780 sodium chloride Substances 0.000 claims description 42
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 23
- 239000004746 geotextile Substances 0.000 claims description 19
- 238000007689 inspection Methods 0.000 claims description 15
- 239000004575 stone Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 6
- 230000004083 survival Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 27
- 241000196324 Embryophyta Species 0.000 description 22
- 150000003839 salts Chemical class 0.000 description 20
- 230000000694 effects Effects 0.000 description 15
- 238000009412 basement excavation Methods 0.000 description 6
- 239000010802 sludge Substances 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 235000015097 nutrients Nutrition 0.000 description 5
- 230000002262 irrigation Effects 0.000 description 4
- 238000003973 irrigation Methods 0.000 description 4
- 239000011505 plaster Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 240000007185 Albizia julibrissin Species 0.000 description 3
- 235000011468 Albizia julibrissin Nutrition 0.000 description 3
- 241000169680 Aphloia theiformis Species 0.000 description 3
- 240000008886 Ceratonia siliqua Species 0.000 description 3
- 210000003608 Feces Anatomy 0.000 description 3
- 240000001690 Hibiscus syriacus Species 0.000 description 3
- 235000018081 Hibiscus syriacus Nutrition 0.000 description 3
- 244000046101 Sophora japonica Species 0.000 description 3
- 235000010586 Sophora japonica Nutrition 0.000 description 3
- 239000010828 animal waste Substances 0.000 description 3
- 239000012174 chinese wax Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009114 investigational therapy Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000000630 rising Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 210000003371 Toes Anatomy 0.000 description 2
- 210000004027 cells Anatomy 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 239000010871 livestock manure Substances 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L na2so4 Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 241000195940 Bryophyta Species 0.000 description 1
- 101700010245 CDC23 Proteins 0.000 description 1
- 210000001736 Capillaries Anatomy 0.000 description 1
- 230000036536 Cave Effects 0.000 description 1
- 241000287828 Gallus gallus Species 0.000 description 1
- 101700050571 SUOX Proteins 0.000 description 1
- 240000004344 Tamarix gallica Species 0.000 description 1
- 235000014265 Tamarix gallica Nutrition 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001488 breeding Effects 0.000 description 1
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000001264 neutralization Effects 0.000 description 1
- 230000003204 osmotic Effects 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000004905 short-term response Effects 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002426 superphosphate Substances 0.000 description 1
Images
Abstract
The utility model provides a local modeling of coast saline-alkali land terraced field dredger fill, which comprises an infiltration ditch, foundation terrain dredger fill, a straw curtain, a geotechnical cloth, improved planting soil and a local modeling and the like from top to bottom, wherein the infiltration ditch is arranged on a slope bottom of the foundation terrain dredger fill, the straw curtain is arranged on the foundation terrain dredger fill, the geotechnical cloth and the improved planting soil are distributed on the foundation terrain dredger fill, and the local modeling is arranged on the planting soil. The local modeling of the coast saline-alkali land terraced field dredger fill is that a certain specification of terraces are built along contour line elevation slope layered soil preparation, ridges having heights of 0.15-0.2m are arranged on the outer edge of a field surface, and ridges having the heights of 0.15-0.5m is further arranged interval of 4m along a contour line, thereby forming a 4*1m narrow border. The local modeling of the coast saline-alkali land terraced field dredger fill directly mounds soil to raise the ground, thereby preventing processes for arranging blind drains and blind pipes by slotting, simplifying construction process, saving above 50% greening cost, and enabling survival rate of garden plants to be above 90%.
Description
Technical field
The utility model belongs to the landscape engineering technical field, designs the method for afforestation, especially relates to a kind of local sculpt of beach saline land terrace-type barged-in fill.
Background technology
According to UNESCO and food and agricultural organization's incomplete statistics, the area in saline land, the whole world is 9.5438 hundred million hectares, and wherein China is 9,913 ten thousand hectares.The formation of China's alkaline earth and alkali-affected soil, most of relevant with the accumulative total of Carbonates In Soil, thereby basicity is generally higher, serious salt affected soil regional plant almost can not be survived.
Beach saline land has the characteristics such as area is wide, areal variation large, improvement difficulty as one of China's saline land main Types.Coastal saline-alkali soil is owing to be subject to for a long time the dipping of seawater, the neutral salinities such as the sodium chloride in the soil, sodium sulphate constantly deposit, and cause the physical characteristics such as marine solonchak has structure viscous, air capacity of soils is poor, the aerobic microorganism activity is poor, nutrient discharges slowly, osmotic coefficient is low, capillarity is strong.In addition, because the coastal region shortage of water resources, thereby causing topsoil salination aggravation, garden plants is difficult to survive at this, is having a strong impact on beach saline land greening survival rate.
The greening of the original saline-alkali soil of coastal region and barged-in fill is a difficult problem that perplexs for a long time the PORT OF TIANJIN Urban Greening always.The in the past harbor district greening modes that adopt the strange land soil removal and replacement need to be bought a large amount of cubic metres of earth from elsewhere, exist easily the native source of greening nervous, cause the elsewhere ecological disruption, the disadvantage such as be difficult to continue.The barged-in fill improvement greening technique that adopt first the PORT OF TIANJIN is a kind of rapidly and efficiently improvement and the practical engineering of greening for marine solonchak and barged-in fill.It take the draining desalination as the basis, realizes land improvement under the prerequisite of not changing planting soil, have the characteristics such as fresh-water-saving, saving engineering cost.
Coastal saline-alkali area original soil greening method has the reclamation of salinep-alkali soil measure of many maturations at present, it is physically improved to mainly contain (1), such as ground grading, deep ploughing is suned the earth which has been ploughed up, soil moved in to improve the original is raised ground, microcell is improved the soil, whole ground, large cave etc., this has certain improved effect for low water level, soil below the salinity moderate, but for the high water level area, under the effect of soil capillary, still accumulation of salt in the surface soil phenomenon can appear, cause the upper soll layer salinity to gather, occur hardening, plant is difficult to survive; (2) river construction improvement,, storage fresh water on saline-alkali land for leaching supporting such as irrigation and drainage, washing salinity by irrigation, hidden pipe salt discharge etc., although the salt discharge successful, the afforestation project cost that the fluting stringing makes increases greatly; (3) chemical modifying, add soil chemistry modifying agent technology, such as superphosphate, detritus acid, acid-sludge etc., it is also fast to take effect, but newly-increased chemical substance has changed the physicochemical property of original soil, from a long-term perspective, single large tracts of land uses chemical improvement agent can increase environmental risk, such as the change of edaphon kind; (4) biological modification, as by breeding, Selection of Salt-Tolerant plant, although the method is also effective, time cycle is long but the plant after the improvement conforms, short-term response is slow, and directly selects the strong saline alkali tolerant plant of plantation, and plant variety is single, common halophytes such as alkali is fluffy, Chinese tamarisk, twocolor sealavander herb etc., all is that the herbaceous plant view is not good.
Summary of the invention
The purpose of this utility model is the shortcoming and deficiency for prior art, a kind of local sculpt of beach saline land terrace-type barged-in fill is provided, this local sculpt comprises from bottom to top: infiltration ditch 1, basis landform barged-in fill 2, straw curtain 3, geotextiles 4, the planting soil 5 after the improvement, local sculpt 6, inspection shaft 7.
Wherein: 1, the effect of infiltration ditch (interior filling quarrel stone): collect unnecessary water in the soil, enter inspection shaft, prevent that subterranean water level from rising.2, the effect on barged-in fill basis: raise ground, lowering of watertable.3, the effect of straw curtain: the soil excessive moisture is oozed under smooth and easy, reach the purpose of salt discharge, can effectively stop again the basal layer soil salt with Investigation of Upward Movement of Soil Water, suppress accumulation of salt in the surface soil phenomenon.4, the effect of geotextiles: buffer action, control soil enters in the straw curtain slit.
5, the effect of the planting soil after the improvement: for plant growth provides available nutrient.6, the effect of local sculpt: retain rainwater.
7, the effect of inspection shaft: the later stage checks and cleaning that the ditch of avoiding seeping water stops up.
Described infiltration ditch 1 is positioned at the sloping end of basic landform barged-in fill 2, lays straw curtain 3 on the basic landform barged-in fill 2, spreads geotextiles 4 on the straw curtain, repaves the planting soil 5 after the improvement on the geotextiles, and local sculpt 6 on planting soil.
Described basic landform barged-in fill 2 is high 1-1.5m to ground, 15 °-30 ° of the gradients.
The sloping end that described infiltration ditch 1 is positioned at basic landform barged-in fill 2 refers to: infiltration ditch 1 is at the vertical square sewer of excavation 0.5 * 0.5m of basic landform barged-in fill 2 lowest parts, in fill out particle diameter 10-12cm quarrel stone.
Described infiltration ditch 1 peak has 0.3% the gradient to minimum point; Minimum point links to each other with greenery patches inspection shaft 7.The greenery patches inspection shaft will check and clear up in the later stage, and the ditch of avoiding seeping water stops up.Straw screen or mat 3 is the straw of the thick compacting of thickness 20-30cm.
Described local sculpt 6 refers to: repair along the whole ground of sloping layering along the contour absolute altitude, build the terraced fields on 45 ° on wide 0.5-1m, the high 0.5-0.6m of bank, bank slope, in field face outer rim the high low bank of earth between fields of 0.15-0.2m is set, along contour interval 4m the high low bank of earth between fields of 0.15-0.2m is set again, forms the little furrow of 4 * 1m.
The manufacture method of the local sculpt of beach saline land terrace-type barged-in fill described in the utility model is as follows:
The first step: the arrangement place, do basic landform: air-dry barged-in fill is carried out the compacting of layering mound, the high 1-1.5m to ground, gradient 15-30 °, purpose is to raise ground, lowering of watertable.
Second step: in slope end lowest part excavation infiltration ditch: the toe lowest part is the square sewer of excavation 0.5 * 0.5m vertically, in fill out particle diameter 10-12cm quarrel stone, be used for collecting the water that drenches under the layer row; Sewer peak to minimum point has 0.3% the gradient; Minimum point links to each other with the greenery patches inspection shaft.Collect unnecessary water in the soil, enter inspection shaft, prevent that subterranean water level from rising.
The 3rd step: curtain spreads straw on basic landform, the infiltration ditch: the straw curtain of laying the thick compacting of 20-30cm on basic landform and the infiltration ditch.The straw curtain can make the soil excessive moisture ooze under smooth and easy, reaches the purpose of salt discharge, can effectively stop again the basal layer soil salt with Investigation of Upward Movement of Soil Water, suppresses accumulation of salt in the surface soil phenomenon.
The 4th step: spread geotextiles on the straw curtain: the shop has the geotextiles of anticorrosion water permeability on the straw curtain, is used for isolation implant soil, and control soil enters into straw.
The 5th step: spread the barged-in fill after improveing on the geotextiles: loose air-dry barged-in fill is piled on the pouring layer of completing soil thickness 1-1.5m after mixing organic matter.The described organic matter that mixes refers to parts by weight and is: stalk or the peat composed of rotten mosses: mud: desulfurated plaster: acid-sludge 1:1:0.2:0.2～1:1:0.5:0.5, purpose increases the soil water permeability of barged-in fill.
The 6th step: local sculpt: repair along the whole ground of sloping layering along the contour absolute altitude, build the terraced fields on 45 ° on wide 0.5-1m, the high 0.5-0.6m of bank, bank slope, in field face outer rim the high low bank of earth between fields of 0.15-0.2m is set, along contour interval 4m the high low bank of earth between fields of 0.15-0.2m is set again, form the little furrow of 4 * 1m, purpose is convenient to retaining.
The 7th step: retaining washed out soil salinity: utilize natural precipitation or fresh water in rainy season, each little furrow retaining 0.15-0.2m is high, treats to have oozed under the nature again and pours water, and measures soil salt after carrying out three times altogether.
The 8th step: applying organic manure plowed soils: enrich the animal wastes of slaking on washed terraced fields cell surface, the component ratio is 1:1, then turn over and carry out fertilizing soil, measure the soil nutrient index, purpose provides the growth substrate with nutrient (animal wastes of slaking refer to: cow dung or chicken manure) for plant.
The 9th step: plant ornamental plant on the barged-in fill after the improvement: plantation is adapted at the ornamental plant of slight alkaline land growth, such as Chinese wax, Chinese scholar tree, locust tree, Luan Shu, silk tree, the rose of Sharon or mountain peach etc.
The utility model is conducive to retain rainwater in conjunction with the terrace-type moulding, and fully washed out soil reduces salinity, solves simultaneously the problem of beach saline land afforestation freshwater resources deficiency; Utilize landform and lay the isolated materials such as permeable geotextiles, straw curtain, both can reach the purpose of salt discharge so that soil moisture is oozed under smooth and easy, effectively stop simultaneously the basal layer soil salt with Investigation of Upward Movement of Soil Water, suppressed accumulation of salt in the surface soil phenomenon; By mixing stalk after the pulverizing, domestic sludge, the acid-sludge behind the compost fermentation, the refuses such as desulfurated plaster in power plant, increased the porosity of barged-in fill, accelerate to ooze, to have avoided the salification phenomenon under the moisture, effectively reduce simultaneously the pH value of washing behind the soil, increased the fertility of soil; By the utility model, ornamental plant can be planted the tool appreciation effect and the plant of salt resistance is arranged, and such as Chinese wax, Chinese scholar tree, locust tree, Luan Shu, silk tree, the rose of Sharon, mountain peach etc., survival rate is more than 90%.
The good effect that the local sculpt of the disclosed beach saline land terrace-type of the utility model barged-in fill compared with prior art has is:
(1) the direct mound of the utility model is raised ground, has avoided fluting to break ground and has laid the operation of french drain, blind pipe, has simplified construction technology.Particularly by mixing debirs, improve barged-in fill as the method for planting soil and use the straw curtain to substitute tradition quarrel masonry for the method for pouring layer, effectively utilized refuse, protected natural resources, saved the greening cost more than 50%.
(2) the utility model is conducive to retain rainwater in conjunction with the terrace-type moulding, makes salinity obtain effective drip washing and reduces; Be conducive to the fertilizer conservation soil conservation, make the ornamental plant survival rate more than 90%.
Description of drawings:
Fig. 1 is the local sculpt structural representation of beach saline land terrace-type barged-in fill;
Fig. 2 is the plane design drawing of the local sculpt of beach saline land terrace-type barged-in fill;
1, infiltration ditch (interior filling quarrel stone); 2 barged-in fills basis;
3, straw curtain; 4, geotextiles; 5, the planting soil after the improvement; 6, local sculpt; 7, inspection shaft.
Embodiment:
Below in conjunction with specific embodiment the utility model is described further, following each embodiment only is used for explanation the utility model and is not limitation of the utility model.
Embodiment 1
The local sculpt of beach saline land terrace-type barged-in fill, this local sculpt comprises from bottom to top: infiltration ditch 1, basic landform barged-in fill 2, straw curtain 3, geotextiles 4, the planting soil 5 after the improvement, local sculpt 6, inspection shaft 7, wherein:
(1) infiltration ditch 1 is at the vertical square sewer of excavation 0.5 * 0.5m of basic landform barged-in fill 2 lowest parts, in fill out particle diameter 10cm quarrel stone, infiltration ditch 1 peak has 0.3% the gradient to minimum point; Minimum point links to each other with greenery patches inspection shaft 7, and purpose is to collect unnecessary water in the soil, prevents that subterranean water level from rising.
(2) basic landform barged-in fill 2 to ground high 1.5m, 30 ° of the gradients, purpose are to raise ground, lowering of watertable.
(3) the straw curtain 3 of laying compacting on the basic landform barged-in fill 2, its thickness is 20cm, its objective is in order to play isolation, salt discharge water.
(4) spreading geotextiles 4 on the straw curtain, mainly is for isolation implant soil, and control soil enters into straw.
(5) repave planting soil 5 after the improvement on the geotextiles, carry out local sculpt 6 at planting soil.Described local sculpt 6 refers to: repair along sloping layering mound along the contour absolute altitude, build the terraced fields on 45 ° on wide 1m, the high 0.6m of bank, bank slope, in field face outer rim the high low bank of earth between fields of 0.2m is set, along contour interval 4m the high low bank of earth between fields of 0.2m is set again, form the little furrow of 4 * 1m, purpose is to be convenient to retaining.
Embodiment 2
A kind of local sculpt of beach saline land terrace-type barged-in fill is characterized in that this local sculpt comprises from bottom to top: infiltration ditch 1, basic landform barged-in fill 2, straw curtain 3, geotextiles 4, the planting soil 5 after the improvement, local sculpt 6, inspection shaft 7; Infiltration ditch 1 is positioned at the sloping end of basic landform barged-in fill 2, lays straw curtain 3 on the basic landform barged-in fill 2, spreads geotextiles 4 on the straw curtain, repaves the planting soil 5 after the improvement on the geotextiles, carries out local sculpt 6 at planting soil.Described basic landform barged-in fill is high 1.5m to ground, 15 ° of the gradients.The sloping end that described infiltration ditch 1 is positioned at basic landform barged-in fill 2 refers to: infiltration ditch 1 is at the vertical square sewer of excavation 0.5 * 0.5m of basic landform barged-in fill 2 lowest parts, in fill out particle diameter 12cm quarrel stone.
Described infiltration ditch 1 peak has 0.3% the gradient to minimum point; Minimum point links to each other with greenery patches inspection shaft 7.Straw curtain 3 is the straw of the thick compacting of thickness 30cm.Described local sculpt 6 refers to: repair along the whole ground of sloping layering along the contour absolute altitude, build the terraced fields on 45 ° on wide 1m, the high 1m of bank, bank slope, in field face outer rim the high low bank of earth between fields of 0.2m is set, along contour interval 4m the high low bank of earth between fields of 0.2m is set again, form the little furrow of 4 * 1m.
Embodiment 3
Be positioned at by the interim service area office building of prince wife Cao pasture, Hebei province ecological city, experiment soil is the ooze barged-in fill, and soil property is sandy loam, total salt 1.36%, pH value 7.72.
(1) barged-in fill with water content 12% carries out the compacting of layering mound, the high 1.5m to ground, and 25 ° of the gradients are as basic landform;
(2) the vertical square sewer of excavation 0.5 * 0.5m of toe lowest part, in fill out particle diameter 10-12cm quarrel stone; The sewer peak is to minimum point gradient 0.3%, and minimum point links to each other with the greenery patches inspection shaft;
(3) the straw curtain of the thick compacting of laying 25cm on basic landform and the infiltration ditch;
(4) spread one deck on the straw curtain and have the geotextiles of anticorrosion water permeability;
The hydraulic reclamation mound that (5) will mix the stalk pulverized, mud, desulfurated plaster, acid-sludge is on the straw curtain, and soil thickness 1.5m mixes the thing stalk: mud: desulfurated plaster: the component ratio of acid-sludge is 1:1:0.25:0.25(weight fraction ratio);
(6) along the whole ground of sloping layering, build the terraced fields on 45 ° on wide 0.6m, the high 1m of bank, bank slope, in field face outer rim the low bank of earth between fields of high 0.2 * 0.2m is set, along contour interval 4m the low bank of earth between fields of 0.2 * 0.2m is set again, form the little furrow of 4 * 1m;
(7) enter the high fresh water of 0.2m to each little border irrigation, treat to have oozed under the nature and continue again to pour water, carry out altogether three times;
(8) enrich the animal wastes of slaking in component ratio 1:1 on washed terraced fields cell surface, the plants such as plantation Chinese wax, Chinese scholar tree, locust tree, Luan Shu, silk tree, the rose of Sharon, mountain peach of turning over, plant survival rate 95%.
The desalination test effect of table 1 chiltern barged-in fill
Nutrient before and after the improvement of table 2 sandy loam matter barged-in fill changes
| The frequency of irrigation index | Initial soil | After 1 time | Behind 2 water | Behind 3 water |
| Total salt (%) | 1.36 | 0.917 | 0.544 | 0.238 |
| pH | 7.72 | 7.92 | 8.06 | 8.12 |
Embodiment 4
Cost compare
The effect of implantation methods and plant
Conclusion:
(1) retains rainwater, raises under the landform acceleration moisture and ooze by the terrace-type moulding, realize that finally soil salt obtains effective drip washing, has suppressed accumulation of salt in the surface soil phenomenon;
(2) terrace-type moulding is conducive to the soil conservation fertilizer conservation, and the plant growing way does very well;
(3) the terrace-type greening method of moulding of improving the soil, more traditional soil improvement greening mode, plant survival rate improves more than 2 times.
Claims (6)
1. the local sculpt of a beach saline land terrace-type barged-in fill is characterized in that this local sculpt comprises from bottom to top: infiltration ditch (1), basic landform barged-in fill (2), straw curtain (3), geotextiles (4), the planting soil after the improvement (5), local sculpt (6), inspection shaft (7); Infiltration ditch (1) is positioned at the sloping end of basic landform barged-in fill (2), the upper straw curtain (3) of laying of basis landform barged-in fill (2), spread geotextiles (4) on the straw curtain, repave the planting soil (5) after the improvement on the geotextiles, carry out local sculpt (6) at planting soil.
2. beach saline land terrace-type barged-in fill local sculpt according to claim 1, it is characterized in that described basic landform barged-in fill (2) to ground high 1-1.5m, 15 °-30 ° of the gradients.
3. beach saline land terrace-type barged-in fill local sculpt according to claim 1, it is characterized in that the sloping end that described infiltration ditch (1) is positioned at basic landform barged-in fill (2) refers to: infiltration ditch (1) vertically excavates the square sewer of 0.5 * 0.5m at basic landform barged-in fill (2) lowest part, in fill out particle diameter 10-12cm quarrel stone.
4. beach saline land terrace-type barged-in fill local sculpt according to claim 1 is characterized in that described infiltration ditch (1) peak has 0.3% the gradient to minimum point; Minimum point links to each other with greenery patches inspection shaft (7).
5. beach saline land terrace-type barged-in fill local sculpt according to claim 1 is characterized in that described straw curtain (3) is the straw of the thick compacting of thickness 20-30cm.
6. beach saline land terrace-type barged-in fill local sculpt according to claim 1, it is characterized in that described local sculpt (6) refers to: repair along the whole ground of sloping layering along the contour absolute altitude, build the terraced fields on 45 ° on wide 0.5-1m, the high 0.5-0.6m of bank, bank slope, in field face outer rim the high low bank of earth between fields of 0.15-0.2m is set, along contour interval 4m the high low bank of earth between fields of 0.15-0.2m is set again, forms the little furrow of 4 * 1m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320292655 CN203233657U (en) | 2013-05-27 | 2013-05-27 | Local modeling of coast saline-alkali land terraced field dredger fill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320292655 CN203233657U (en) | 2013-05-27 | 2013-05-27 | Local modeling of coast saline-alkali land terraced field dredger fill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203233657U true CN203233657U (en) | 2013-10-16 |
Family
ID=49311008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320292655 Expired - Fee Related CN203233657U (en) | 2013-05-27 | 2013-05-27 | Local modeling of coast saline-alkali land terraced field dredger fill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203233657U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105325225A (en) * | 2014-08-08 | 2016-02-17 | 北京碧青园园林绿化工程有限公司 | Method improving tree plantation survival rate in severe saline-alkali soil |
| CN107409522A (en) * | 2017-07-18 | 2017-12-01 | 天津港(集团)有限公司 | A kind of method that soil structure of coastal dredger fills is improved using mushroom bran base composite high-water-absorptivresin resin |
| CN110984200A (en) * | 2019-12-29 | 2020-04-10 | 河南省地质矿产勘查开发局第二地质环境调查院 | Method for draining water of foundation pit of binary geological structure layer |
| CN113317098A (en) * | 2021-04-02 | 2021-08-31 | 深圳市华美绿生态环境集团有限公司 | Hierarchical greening method suitable for saline-alkali soil |
-
2013
- 2013-05-27 CN CN 201320292655 patent/CN203233657U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105325225A (en) * | 2014-08-08 | 2016-02-17 | 北京碧青园园林绿化工程有限公司 | Method improving tree plantation survival rate in severe saline-alkali soil |
| CN107409522A (en) * | 2017-07-18 | 2017-12-01 | 天津港(集团)有限公司 | A kind of method that soil structure of coastal dredger fills is improved using mushroom bran base composite high-water-absorptivresin resin |
| CN110984200A (en) * | 2019-12-29 | 2020-04-10 | 河南省地质矿产勘查开发局第二地质环境调查院 | Method for draining water of foundation pit of binary geological structure layer |
| CN110984200B (en) * | 2019-12-29 | 2022-01-07 | 河南省地质矿产勘查开发局第二地质环境调查院 | Method for draining water of foundation pit of binary geological structure layer |
| CN113317098A (en) * | 2021-04-02 | 2021-08-31 | 深圳市华美绿生态环境集团有限公司 | Hierarchical greening method suitable for saline-alkali soil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103262689B (en) | Coastal saline-alkali soil terrace type afforesting method for improvement of dredger fill | |
| CN105519274B (en) | A kind of integrated approach of extensive coastal new Climacteric symptoms farmland ecology exploitation | |
| CN104472052B (en) | A kind of engineering-chemical-biological-desalination water saving-information technology improvement saline land method | |
| CN101849454B (en) | Biological synthesis improvement method of salt-alkali shoaly land | |
| CN102037806B (en) | Greening method for dredger fill | |
| CN102577789B (en) | Method of cyclic sustainable vegetation recovery for waste dump of grassland mining area | |
| CN203896685U (en) | Tree planting structure in coastal saline-alkali land | |
| CN106900322A (en) | The engineering wound-surface Ecological recovery technology of moss crust | |
| CN101336593B (en) | Method for constructing ecology garden landscape compound structures to improve salt-affected soil | |
| CN102160483A (en) | Method for afforesting desert and retaining water | |
| CN104521363A (en) | Reclamation method for rural residence lands on coastal saline land region | |
| CN103181258A (en) | Saline-alkali soil improvement method | |
| Chen et al. | Chinese rose (Rosa chinensis) cultivation in Bohai Bay, China, using an improved drip irrigation method to reclaim heavy coastal saline soils | |
| CN104770097B (en) | Original soil improvement greening method based on the strand severe salt-affected soil that material mixes | |
| CN102067753A (en) | Long-term governance method for converting saline-alkali soil into fertile farmland | |
| CN104186137A (en) | Technology for cultivating and greening tall fescue grass on inshore mud flat saline-alkali soil | |
| CN203233657U (en) | Local modeling of coast saline-alkali land terraced field dredger fill | |
| CN101849453A (en) | Earth surface planting desert reforming technology | |
| CN110073756A (en) | A kind of beach newly encloses tideland for cultivation the efficient modification method of farmland soil | |
| CN101946675A (en) | Method for constructing muddy coast protection forest | |
| CN107969188A (en) | A kind of salt-soda soil irrigation canals and ditches side slope herbosa plants raw structure and planting and establishing method | |
| CN204090476U (en) | The ecology structure of improvement waters, river course degenerated soil | |
| CN102144523A (en) | Sidewalk-frozen tree planting method for coastal saline-salt soil | |
| CN207739092U (en) | Landscape ecology Pavement Construction | |
| CN103609386B (en) | Muddy coastal zone plant groove or plant hole afforestation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20190527 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |