CN107896543A - The improvement greening construction method in salt-soda soil - Google Patents
The improvement greening construction method in salt-soda soil Download PDFInfo
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- CN107896543A CN107896543A CN201711121671.3A CN201711121671A CN107896543A CN 107896543 A CN107896543 A CN 107896543A CN 201711121671 A CN201711121671 A CN 201711121671A CN 107896543 A CN107896543 A CN 107896543A
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- pipe
- alkali
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- sealed tube
- sleeve
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B77/00—Machines for lifting and treating soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a kind of improvement greening construction method in salt-soda soil, comprise the following steps that：S1：Site clearing is smooth；S2：Unwrapping wire；S3：Dig salt discharge ditch；S4：Slope is looked in the backfill of salt discharge ditch rubble；S5：Pipe for draining alkali is laid with；S6：It is laid with salt discharge alkali separation layer；S7：Isolate with surrounding saline-alkali soil；S8：Backfill planting technique soil；S9：Build salt discharge inspection shaft by laying bricks or stones；S10：Greening construction.The present invention realizes the separation of alkaline earth and planting soil by the cooperation of Pipe for draining alkali, surface water channel and separation layer, the salinity in alkaline earth is avoided to rise in planting soil, again by the cooperation of the first sleeve and second sleeve, realize the cleaning to Pipe for draining alkali surrounding soil, avoid Pipe for draining alkali from blocking.
Description
Technical field
The present invention relates to a kind of alkaline land improving technical field, more specifically, it relates to which a kind of improvement in salt-soda soil is green
Change construction method.
Background technology
At present, saline Land is a global problem of facing mankind, and there is the wetland with saline-alkaline of large area in China, main
It is distributed in the North China Plain, Northeast plain, Northwest inland area and coastal region.The survival rate of planting plants is general in salt-soda soil
It is all very low, thus drastically influence the agriculture and forestry production in China.
Notification number CN106171104A, publication date 20161207 patent in disclose a kind of tiling deep ploughing and apply desulfurization stone
The method that cream improves salt-soda soil, the method that desulfurated plaster improvement salt-soda soil is applied in tiling deep ploughing, comprises the following steps that：S1：Change
The proportioning of good timber material, S2：The processing of salt-soda soil topsoil, S3：On the salt-soda soil that topsoil will be removed material is improved in tiling
Material, S4：Deep ploughing is handled, S5：The mixing of topsoil and improved materials, S6：Irrigate.
The above method is handled the relatively low soil of deep layer salinization of soil using a small amount of improved materials, to capping salt
The higher soil of alkalization degree uses the processing of more improved materials hybridization, improves salt-soda soil treatment effect.But top layer
The salinity in alkaline earth below soil can rise along soil capillary and enter topsoil, after a period of time, topsoil
Secondary salinization can occur.
The content of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of improvement greening construction side in salt-soda soil
Method, has the effect that the greening duration is permanent.
To realize above-mentioned technical purpose, the present invention provides following technical solution：A kind of improvement greening construction in salt-soda soil
Method, comprises the following steps that：
S1：Site clearing is smooth, first removes the salt slurry, rubbish and weeds on top layer, depth and width further according to design requirement and
Saline-alkali soil is excavated and transported outward by flatness, forms greenbelt；
S2：Unwrapping wire, by the various element on drawing in proportion by its tick lables on the spot；
S3：Salt discharge ditch is dug, excavates surface water channel again around greenbelt, the earthwork that surface water channel produces is excavated and is used for surface water channel
Build a dam and backfill the paragraph that elevation is low in greenbelt in both sides；
S4：Slope is looked in the backfill of salt discharge ditch rubble, and the impurity in surface water channel is removed and dried, and is laid with the canal bottom of surface water channel broken
Stone, makes the canal bottom of surface water channel form the angle that relative level tilts down；
S5：Pipe for draining alkali is laid with, according to the depth of greenery area, level of ground water, road drainage elevation and planting soil come the row's of decision alkali
The laying density and the gradient of pipe, complete layout design, and unwrapping wire is pinpointed according to drawing, then slot along unwrapping wire position, Pipe for draining alkali bag
Get up, by Pipe for draining alkali paving directly in groove, sand in finally backfilling；
S6：Salt discharge alkali separation layer is laid with, one layer of stone separation layer is laid with above Pipe for draining alkali, wheat straw is re-layed on stone separation layer
Deng straw screen or mat made of material；
S7：Isolate with surrounding saline-alkali soil, isolated greenbelt surrounding with the alkaline earth on periphery with HDPE film；
S8：Planting technique soil is backfilled, is had bad luck planting soil on separation layer several times by excavator, planting soil is higher than neighbouring alkali
Soil；
S9：Salt discharge inspection shaft is built by laying bricks or stones, using 240 red machine brick masonry side walls of internal diameter 700mm wall thickness, and with the cement mortar of M7.5
To pour side wall, the bottom plain concrete of C10-C20 makees basis, and interior 12 cement sand plaster of external application, the head cover of inspection shaft is using element
Concrete or cast iron；
S10：Greening construction, spreads fertilizer over the fields fertilizer by 0.5Kg/m2 on planting soil, and with twice of rotary cultivator rotary tillage.
By using above-mentioned technical proposal, it is bright that the water in greenbelt can flow into around greenbelt the draining excavated along soil layer
Canal, avoids the capillarity that the salinity in the alkaline earth of lower section follows moisture from entering in the planting soil of top.Salinity in alkaline earth along
When soil capillary rises and reaches Pipe for draining alkali plane, capillary is destroyed, while the middle sand around Pipe for draining alkali, and seepage of water is strong,
Moisture can be collected into Pipe for draining alkali by the water seepage hole on Pipe for draining alkali in time and drained in time, level of ground water is controlled in critical depth
Below degree, achieve the purpose that Soil Desalting and prevent secondary salinization.The separation layer being covered on Pipe for draining alkali is prevented through row's alkali
The salinity of pipe is risen in planting soil, achievees the purpose that soil is delayed.Planting soil is higher than neighbouring alkaline earth, on the one hand makes lower part water salt
It is difficult to rise to earth's surface by capillarity, is on the other hand conducive to the soil water and moves down, soil is not susceptible to secondary salt
Desalinate phenomenon, and the saline-alkali soil of lower part also can gradually desalinate.
Preferably, the cobble-stone diameter of the stone separation layer is 0.5cm-2cm, the clay content of the stone separation layer is small
In 3%, the thickness of the stone separation layer is 19-21cm, and the thickness of the straw screen or mat is 4cm, straw screen or mat and the stone separation layer it
Between be filled with the boiler ash sediment of 10cm thickness, the loess of 80cm thickness is equipped with the straw screen or mat.
By using above-mentioned technical proposal, the gap of adjacent stone is more than 0.2cm, while silt is few, there is no capillary,
Further prevent salinity from rising.Closely knit boiler ash sediment and loess avoids the moisture in planting soil from largely flowing to lower section due to conducting oneself with dignity
It in alkaline earth, while can also play a supporting role to planting soil, ensure the structural soundness of planting soil.
Preferably, the fertilizer uses humic acid organic fertilizer, the nitrogen of the humic acid organic fertilizer, phosphorus, the content of potassium are equal
More than 10%, the content of organic matter is more than 20% in the humic acid organic fertilizer, and content of humic acid is more than in the humic acid organic fertilizer
30%。
By using above-mentioned technical proposal, humic acid organic fertilizer can improve soil texture, required for improving plant growth
Various nutrients, meanwhile, can also be produced during organic fertilizer corruption in acidic materials and saline and alkaline, make the land occupation condition of plant
Obtain a degree of improvement.
Preferably, in step S1, if job location uneven surface, it is necessary to be first laid with 30cm metallings, then backfill alkaline earth,
Form smooth location.
By using above-mentioned technical proposal, the job location for out-of-flatness is, it is necessary to first be laid with metalling to strengthen place
Structural strength, re-lay soil layer, when avoiding one section after, greenbelt caves in, and achieves due to lower floor's alkaline earth built on the sand
Improve the beneficial effect of structural soundness.
Preferably, the Pipe for draining alkali is made of no sand cement pipe.
By using above-mentioned technical proposal, non-fine concrete mesopore is big, so conductivity of heat is low, good water permeability, lower floor's alkali
When salinity in soil is risen near Pipe for draining alkali, salinity can to pass through the hole on no sand cement pipe and enter Pipe for draining alkali in, salt
Dividing follows moisture to flow away along inclined Pipe for draining alkali, achieves the beneficial effect of the row's of raising alkali efficiency.
Preferably, the Pipe for draining alkali is coated with three layers of non-woven fabrics, the non-woven fabrics is tightened in Pipe for draining alkali by the rope made of hemp
Outside.
By using above-mentioned technical proposal, the good air permeability of non-woven fabrics, does not influence water and salinity enters Pipe for draining alkali, at the same time
Also it can prevent soil from blocking the gap of Pipe for draining alkali, influence the seepage of water and water penetration of Pipe for draining alkali, achieve and prolong the service life
Beneficial effect.
Preferably, being arranged with first set cylinder outside the Pipe for draining alkali, the outer concentric locking collar of first sleeve is equipped with second sleeve,
Equally distributed first through hole is offered on first sleeve and second sleeve, fitting first set is arranged with outside the Pipe for draining alkali
First sealed tube of cylinder lateral wall, the Pipe for draining alkali are arranged with the second sealed tube of fitting second sleeve madial wall, first envelope outside
Equally distributed second through hole is offered in cylinder and the second sealed tube, in same circumferential direction between two adjacent first through hole
Distance is more than the diameter of first through hole, and the first through hole is identical with the second hole size, the first through hole and the second through hole
Arrangement mode it is identical.
By using above-mentioned technical proposal, the first sealed tube and the second sealed tube, first through hole and the second adjacent through hole are rotated
Connect completely, the salinity in alkaline earth outside second sleeve enters Pipe for draining alkali after passing through first through hole and the second through hole.Long-term work
Afterwards, soil can be deposited between the first sleeve and second sleeve, rotate the first sealed tube and the second sealed tube again, make first through hole and
Second through hole is spaced, and the first sealed tube closes the first sleeve, and the second sealed tube closes second sleeve, the first sleeve and second
Closing pipe line is formed between sleeve, is directed water into by water pump between the first sleeve and second sleeve, water takes away soil, cleaning
After the completion of, the first sealed tube and the second sealed tube are resetted, first through hole connects again with the second through hole, after avoiding long-term work, soil
Pipe for draining alkali is blocked, achieves the beneficial effect to prolong the service life.First sleeve and second sleeve can also play protection row
The effect of alkali pipe, avoids brittle Pipe for draining alkali from being subject to crushing.
Preferably, the outer fitting sle of first sealed tube is equipped with several along the first sealed tube length direction equally distributed first
Spacing ring, in second sealed tube fitting be provided with along equally distributed second spacing ring of the second sealed tube length direction, described the
The diameter of one spacing ring and the second spacing ring is less than the gap of the first sealed tube and the second sealed tube, the first spacing ring and the second spacing ring
It is spaced.
By using above-mentioned technical proposal, the first spacing ring allows the first sealed tube to keep form stable, avoids the first envelope
The tube length phase deforms after being subject to the pressure of soil, and there are gap between the first sealed tube and the first sleeve, water is through the first sleeve and the
It can be drained to when between two sleeves in Pipe for draining alkali, the effect of the second spacing ring and the first spacing ring is identical, when avoiding rinsing soil, water
It can penetrate into surrounding alkaline earth, salinity is extruded into the planting soil of top, achieve the beneficial effect for improving structural soundness.
Preferably, the both ends of first sealed tube and the second sealed tube pass through several consolidating along Pipe for draining alkali axial array respectively
Fixed pole is fixedly connected.
By using above-mentioned technical proposal, stirring fixed link can drive the first sealed tube and the second sealed tube to move at the same time, side
Convenient to operate, while can also further enhance the structural soundness of the first sealed tube and the second sealed tube.
In conclusion the present invention realizes alkaline earth and planting soil by the cooperation of Pipe for draining alkali, surface water channel and separation layer
Separation, avoids the salinity in alkaline earth from rising in planting soil, then the cooperation by the first sleeve and second sleeve, realizes to arranging alkali
The cleaning of pipe surrounding soil, avoids Pipe for draining alkali from blocking.
Brief description of the drawings
Fig. 1 is to be used to show the integrally-built partial schematic diagram of Pipe for draining alkali in the present embodiment；
Fig. 2 is the partial sectional view for being used to show second sleeve internal structure in the present embodiment.
In figure, 1, Pipe for draining alkali；11st, the first sleeve；12nd, second sleeve；13rd, the first sealed tube；14th, the second sealed tube；15th, first
Through hole；16th, the second through hole；17th, the first spacing ring；18th, the second spacing ring；19th, fixed link.
Embodiment
The present invention is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation of the invention, it is not limitation of the present invention, people in the art
Member as needed can make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
All protected in the right of invention be subject to Patent Law.
Embodiment：A kind of improvement greening construction method in salt-soda soil, it is comprised the following steps that：
S1：Site clearing is smooth, first removes the salt slurry, rubbish and weeds on top layer, depth and width further according to design requirement and
Saline-alkali soil is excavated and transported outward by flatness, forms greenbelt.Saline-alkali soil capping salt cement content is substantially saturated, and salt slurry is all excavated outer
Fortune, both has the function that exclusion is saline and alkaline, can also avoid the soil flowing water effect of the rubbish and impurity effect greenbelt in salt slurry.
, it is necessary to first be laid with 30cm metallings, then backfill alkaline earth, if formation smooth location, strengthens job location uneven surface
The structural strength in place, re-lays soil layer, when avoiding one section after, greenbelt caves in due to lower floor's alkaline earth built on the sand.
S2：Unwrapping wire, by the various element on drawing in proportion by its tick lables on the spot.Can unwrapping wire be to realize design
It is intended to, the key link of construction success or failure, unwrapping wire should be carried out strictly by the proportional sizes on drawing, control the error model in permission
In enclosing.
S3：Salt discharge ditch is dug, excavates surface water channel again around greenbelt, the earthwork that surface water channel produces is excavated and is used for draining
Build a dam and backfill the paragraph that elevation is low in greenbelt in open channel both sides.Underground water is imported into surface water channel, reaches reduction underground water
The purpose of position.
S4：Slope is looked in the backfill of salt discharge ditch rubble, and the impurity in surface water channel is removed and dried, in the Qu Dipu of surface water channel
If rubble, the canal bottom of surface water channel is set to form the angle that relative level tilts down.
S5：Pipe for draining alkali is laid with, and is determined according to the depth of greenery area, level of ground water, road drainage elevation and planting soil
The laying density and the gradient of Pipe for draining alkali, complete layout design, pinpoint unwrapping wire according to drawing, then along unwrapping wire position fluting, arrange alkali
Pipe is wrapped, by Pipe for draining alkali paving directly in groove, sand in finally backfilling.
Pipe for draining alkali is made of no sand cement pipe, and non-fine concrete mesopore is big, so conductivity of heat is low, good water permeability, lower floor
When salinity in alkaline earth is risen near Pipe for draining alkali, salinity can to pass through the hole on no sand cement pipe and enter Pipe for draining alkali in,
Salinity follows moisture to flow away along inclined Pipe for draining alkali.Pipe for draining alkali is coated with three layers of non-woven fabrics, and non-woven fabrics is tightened by the rope made of hemp
Outside Pipe for draining alkali.The good air permeability of non-woven fabrics, does not influence water and salinity enters Pipe for draining alkali, while can prevent soil from will arrange alkali yet
The gap of pipe is blocked, and influences the seepage of water and water penetration of Pipe for draining alkali.
As shown in Figure 1, be arranged with columnar first sleeve 11 outside Pipe for draining alkali 1,11 outer concentric locking collar of the first sleeve is equipped with the
Two sleeves 12, equally distributed first through hole 15 is offered on the first sleeve 11 and second sleeve 12, patch is arranged with outside Pipe for draining alkali 1
The first sealed tube 13 of 11 lateral wall of the first sleeve is closed, the second sealed tube of fitting 12 madial wall of second sleeve is arranged with outside Pipe for draining alkali 1
14, equally distributed second through hole 16,15 and second through hole 16 of first through hole are offered in the first sealed tube 13 and the second sealed tube 14
Size is identical, and the distance between two adjacent first through hole 15 are more than the diameter of first through hole 15 in same circumferential direction, and first is logical
Hole 15 is identical with the arrangement mode of the second through hole 16.Rotate the first sealed tube 13 and the second sealed tube 14, first through hole 15 and adjacent
Second through hole 16 connects completely, and the salinity in alkaline earth outside second sleeve 12 enters after passing through 15 and second through hole 16 of first through hole
Pipe for draining alkali 1.
As shown in Figure 1, the both ends of the first sealed tube 13 and the second sealed tube 14 are respectively by several along 1 axial array of Pipe for draining alkali
Fixed link 19 is fixedly connected, and to stir fixed link 19 can drive the first sealed tube 13 and the second sealed tube 14 while move, convenient behaviour
Make, while can also further enhance the structural soundness of the first sealed tube 13 and the second sealed tube 14.
After long-term work, soil can be deposited between the first sleeve 11 and second sleeve 12, rotate the first sealed tube 13 again
With the second sealed tube 14, it is spaced 15 and second through hole 16 of first through hole, the first sealed tube 13 closes the first sleeve 11, and second
Sealed tube 14 closes second sleeve 12, and closing pipe line is formed between the first sleeve 11 and second sleeve 12, leads water by water pump
Enter between the first sleeve 11 and second sleeve 12, water takes away soil.First sleeve 11 and second sleeve 12 can also play guarantor
The effect of Pipe for draining alkali 1 is protected, avoids brittle Pipe for draining alkali 1 from being subject to crushing.
As shown in Fig. 2, 13 outer fitting sle of the first sealed tube be equipped with it is several along 13 length direction of the first sealed tube equally distributed the
One spacing ring 17, the 14 interior fitting of the second sealed tube are provided with along equally distributed second spacing ring 18 of 14 length direction of the second sealed tube,
The diameter of first spacing ring 17 and the second spacing ring 18 is less than the gap of the first sealed tube 13 and the second sealed tube 14, the first spacing ring 17
It is spaced with the second spacing ring 18.First spacing ring 17 allows the first sealed tube 13 to keep form stable, avoids the first sealed tube
13 it is long-term be subject to the pressure of soil after deform, there are gap, water between the first sealed tube 13 and the first sleeve 11 to pass through the first sleeve
It can be drained in Pipe for draining alkali 1 when between 11 and second sleeve 12, the second spacing ring 18 is identical with the effect of the first spacing ring 17, avoids
When rinsing soil, water can be penetrated into surrounding alkaline earth, salinity is extruded into the planting soil of top.
S6：Salt discharge alkali separation layer is laid with, one layer of stone separation layer, the stone grain of stone separation layer are laid with above Pipe for draining alkali
Footpath is 0.5cm-2cm, and the clay content of stone separation layer is less than 3%, and the thickness of stone separation layer is 19-21cm.On stone separation layer
Straw screen or mat made of the materials such as wheat straw is re-layed, the thickness of straw screen or mat is 4cm, filled with 10cm thickness between straw screen or mat and stone separation layer
Boiler ash sediment, the loess of 80cm thickness is equipped with straw screen or mat.
Closely knit boiler ash sediment and loess avoids the moisture in planting soil from largely being flowed to due to conducting oneself with dignity in the alkaline earth of lower section, at the same time
Also it can play a supporting role to planting soil, ensure the structural soundness of planting soil.The separation layer being covered on Pipe for draining alkali prevents from wearing
The salinity for crossing Pipe for draining alkali is risen in planting soil, achievees the purpose that soil is delayed.
S7：Isolate with surrounding saline-alkali soil, isolated greenbelt surrounding with the alkaline earth on periphery with HDPE film.
The bottom and separation layer of HDPE film are combined closely, and top is higher by greening belt surface about 20cm, and is compressed with stone etc.,
Prevent from sliding when backfill planting technique is native.Because greenery patches is one week longer, HDPE film is shorter and has the situation of overlap joint, and overlap joint size should foot
It is enough big, no more than 50cm.
S8：Planting technique soil is backfilled, has bad luck planting soil on separation layer several times by excavator, planting soil is higher than attached
Nearly alkaline earth.
Excavator enter banket scope when, the crawler belt of excavator cannot be pressed on Pipe for draining alkali line, and distance be more than 1m；Load
Machine cannot the directly operation in row's alkali system, arrange alkali system upper strata earthing it is thick up to 1m when, loading machine can just enter.It is meanwhile green
Changing the plastic cloth with surrounding isolation cannot fall, in order to avoid mix the alkaline earth of planting soil and surrounding.In order to prevent
Because water level is excessive and caused by salification, plantation earthen backfill elevation will raise certain altitude, raise behind ground relative reduction underground
Water level, on the one hand makes lower part water salt be difficult to rise to earth's surface by capillarity, is on the other hand conducive to the soil water to moving down
Dynamic, soil is not susceptible to secondary salt desalination phenomenon, and the saline-alkali soil of lower part also can gradually desalinate.
S9：Salt discharge inspection shaft is built by laying bricks or stones, using 240 red machine brick masonry side walls of internal diameter 700mm wall thickness, and with the cement of M7.5
Mortar pours side wall, and basis is made in bottom with the plain concrete of C10-C20, interior 12 cement sand plaster of external application, the head cover of inspection shaft is adopted
With plain concrete or cast iron.After the completion of, from most significant end water filling, see whether water can discharge from lowermost end, the row's of inspection alkali effect.
S10：Greening construction, spreads fertilizer over the fields fertilizer by 0.5Kg/m2 on planting soil, and with twice of rotary cultivator rotary tillage.
Fertilizer uses humic acid organic fertilizer, and the nitrogen of humic acid organic fertilizer, phosphorus, the content of potassium are all higher than 10%, and humic acid is organic
The content of organic matter is more than 20% in fertilizer, and content of humic acid is more than 30% in humic acid organic fertilizer, and humic acid organic fertilizer can improve soil
Earth structure, improves the required various nutrients of plant growth, meanwhile, it can also produce acidic materials during organic fertilizer corruption
Neutralize saline and alkaline, the land occupation condition of plant is obtained a degree of improvement.
Claims (9)
1. a kind of improvement greening construction method in salt-soda soil, it is characterised in that comprise the following steps that：
S1：Site clearing is smooth, first removes the salt slurry, rubbish and weeds on top layer, depth and width further according to design requirement and
Saline-alkali soil is excavated and transported outward by flatness, forms greenbelt；
S2：Unwrapping wire, by the various element on drawing in proportion by its tick lables on the spot；
S3：Salt discharge ditch is dug, excavates surface water channel again around greenbelt, the earthwork that surface water channel produces is excavated and is used for surface water channel
Build a dam and backfill the paragraph that elevation is low in greenbelt in both sides；
S4：Slope is looked in the backfill of salt discharge ditch rubble, and the impurity in surface water channel is removed and dried, and is laid with the canal bottom of surface water channel broken
Stone, makes the canal bottom of surface water channel form the angle that relative level tilts down；
S5：Pipe for draining alkali is laid with, according to the depth of greenery area, level of ground water, road drainage elevation and planting soil come the row's of decision alkali
The laying density and the gradient of pipe, complete layout design, and unwrapping wire is pinpointed according to drawing, then slot along unwrapping wire position, Pipe for draining alkali bag
Get up, by Pipe for draining alkali paving directly in groove, sand in finally backfilling；
S6：Salt discharge alkali separation layer is laid with, one layer of stone separation layer is laid with above Pipe for draining alkali, wheat straw is re-layed on stone separation layer
Deng straw screen or mat made of material；
S7：Isolate with surrounding saline-alkali soil, isolated greenbelt surrounding with the alkaline earth on periphery with HDPE film；
S8：Planting technique soil is backfilled, is had bad luck planting soil on separation layer several times by excavator, planting soil is higher than neighbouring alkali
Soil；
S9：Salt discharge inspection shaft is built by laying bricks or stones, using 240 red machine brick masonry side walls of internal diameter 700mm wall thickness, and with the cement mortar of M7.5
To pour side wall, the bottom plain concrete of C10-C20 makees basis, and interior 12 cement sand plaster of external application, the head cover of inspection shaft is using element
Concrete or cast iron；
S10：Greening construction, spreads fertilizer over the fields fertilizer by 0.5Kg/m2 on planting soil, and with twice of rotary cultivator rotary tillage.
2. the detecting tool of auto-parts according to claim 1, it is characterised in that：The stone of the stone separation layer
Particle diameter is 0.5cm-2cm, and the clay content of the stone separation layer is less than 3%, and the thickness of the stone separation layer is 19-21cm, institute
The thickness for stating straw screen or mat is 4cm, and the boiler ash sediment of 10cm thickness is filled between straw screen or mat and the stone separation layer, is laid with the straw screen or mat
There is the loess of 80cm thickness.
3. the detecting tool of auto-parts according to claim 2, it is characterised in that：The fertilizer is had using humic acid
Machine fertilizer, the nitrogen of the humic acid organic fertilizer, phosphorus, the content of potassium are all higher than 10%, and the content of organic matter is big in the humic acid organic fertilizer
Content of humic acid is more than 30% in 20%, the humic acid organic fertilizer.
4. the detecting tool of auto-parts according to claim 3, it is characterised in that：In step S1, if job location
Uneven surface forms smooth location, it is necessary to first laying 30cm metallings, then backfill alkaline earth.
5. the detecting tool of auto-parts according to claim 4, it is characterised in that：The Pipe for draining alkali (1) is by no sand
Pipe of cement is made.
6. the detecting tool of auto-parts according to claim 5, it is characterised in that：Pipe for draining alkali (1) outer cladding
There are three layers of non-woven fabrics, the non-woven fabrics is tightened in Pipe for draining alkali (1) outside by the rope made of hemp.
7. the detecting tool of auto-parts according to claim 6, it is characterised in that：It is arranged outside the Pipe for draining alkali (1)
There is the first sleeve (11), the outer concentric locking collar of first sleeve (11) is equipped with second sleeve (12), first sleeve (11) and
Equally distributed first through hole (15) is offered on two sleeves (12), the first sleeve of fitting is arranged with outside the Pipe for draining alkali (1)
(11) the first sealed tube (13) of lateral wall, the Pipe for draining alkali (1) are arranged with second envelope of fitting second sleeve (12) madial wall outside
Cylinder (14), offers equally distributed second through hole (16), same circumferential direction on first sealed tube (13) and the second sealed tube (14)
The distance between upper two adjacent described first through hole (15) are more than the diameter of first through hole (15), the first through hole (15)
Identical with the second through hole (16) size, the first through hole (15) is identical with the arrangement mode of the second through hole (16).
8. the detecting tool of auto-parts according to claim 7, it is characterised in that：First sealed tube (13) outer patch
Trap is equipped with several interior along equally distributed first spacing ring (17) of the first sealed tube (13) length direction, second sealed tube (14)
Fitting is provided with along equally distributed second spacing ring (18) of the second sealed tube (14) length direction, first spacing ring (17) and
The diameter of second spacing ring (18) is less than the gap of the first sealed tube (13) and the second sealed tube (14), the first spacing ring (17) and second
Spacing ring (18) is spaced.
9. the detecting tool of auto-parts according to claim 8, it is characterised in that：First sealed tube (13) and
The both ends of two sealed tubes (14) are fixedly connected by several fixed links (19) along Pipe for draining alkali (1) axial array respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121671.3A CN107896543A (en) | 2017-11-14 | 2017-11-14 | The improvement greening construction method in salt-soda soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121671.3A CN107896543A (en) | 2017-11-14 | 2017-11-14 | The improvement greening construction method in salt-soda soil |
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Cited By (1)
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| CN109661867A (en) * | 2018-12-29 | 2019-04-23 | 华北水利水电大学 | It combines nested saline-alkali soil treatment method and administers set bucket |
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