CN105409725A - Water seepage pipe, revegetation area water-saving irrigation system and construction method thereof - Google Patents
Water seepage pipe, revegetation area water-saving irrigation system and construction method thereof Download PDFInfo
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- CN105409725A CN105409725A CN201510822117.2A CN201510822117A CN105409725A CN 105409725 A CN105409725 A CN 105409725A CN 201510822117 A CN201510822117 A CN 201510822117A CN 105409725 A CN105409725 A CN 105409725A
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- water
- soakaway trench
- revegetation
- district
- sand
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/06—Watering arrangements making use of perforated pipe-lines located in the soil
Abstract
The invention discloses a water seepage pipe, a revegetation area water-saving irrigation system and a construction method thereof and solves the problem that existing water seepage pipes waste water resources and are poor in irrigation effect. The water seepage pipe comprises a pipe body provided with multiple water seepage holes in the pipe wall and a water seepage filler arranged inside the pipe body. Through the water seepage filler arranged inside the pipe body, irrigation water entering the water seepage pipe slowly seeps out, water resources are saved, and absorption by vegetation is facilitated; the irrigation water entering the water seepage pipe is given convenience to diffuse around and enabled to seep out from the water seepage holes in the pipe body, so that irrigation effect is good.
Description
Technical field
The invention belongs to field of agricultural irrigation, be specifically related to a kind of soakaway trench, revegetation district water-saving irrigation system and construction method thereof.
Background technology
For excavating the rock matter that causes or the mixed high gradient slope of spray on a large scale, need to carry out ecological recovery, and the moisture factor that to be of ecological recovery very crucial.Because side slope is comparatively suddenly high, and after the mixed supporting measure of enforcement spray, the matrix of vegetation growth is almost blocked completely, and the maintenance of revegetation often needs the manpower and materials of at substantial, and most of side slope is difficult to, and arrival is domatic carries out man-made irrigation maintenance.
At present, for high gradient slope Ecological Restoration Measure, its maintenance in early stage is mainly irrigated by manpower or is installed complete irrigating facility, later stage terminated due to regulation curing period, vegetation is in without maintenance state substantially, water source is mainly derived from natural rainfall, therefore slope vegetation restoration is not good to later stage equal growing way, is difficult to the revegetation target reaching expection.
Existing irrigation method is mainly divided into two kinds, and one adopts sprinkling truck to irrigate, and another kind adopts complete irrigation installation drip irrigation or sprinkling irrigation.The first irrigation method is only applicable to the roadside side slope of traffic convenience, and limitation is very large, and current power station major part high gradient slope is all unsuitable for this mode; The investment of the second irrigation method is large, difficult in maintenance, need early stage to lay irrigation pipeline, draw water, the later stage is run to be needed to safeguard in time, need the larger investment of cost, after project completion simultaneously, road etc. cannot retain, and maintenance work cannot be implemented, and due to the most of ditch-water for extraction of irrigation water or river, without filtration treatment, pipeline is very easily blocked to the later stage, cannot run; In addition, existing soakaway trench is generally the structure arranging multiple water seepage hole on the tube wall of tube body, and irrigation water directly can overflow in water seepage hole, and major part is evaporated, and is only absorbed by vegetation on a small quantity, and water resource waste is serious; And irrigation water often overflows from the water seepage hole being arranged in downside, irrigation effect is bad.
Summary of the invention
The technical problem to be solved in the present invention is to provide one can using water wisely, and is beneficial to the soakaway trench improving irrigation effect.
The technical solution adopted for the present invention to solve the technical problems is: soakaway trench, comprises the tube body that tube wall is provided with multiple water seepage hole, also comprises the infiltration filler being arranged on tube body inside.
Further, described infiltration filler is mixed by the rubble of different-grain diameter and sand and forms.
Further, the tube wall surface of described tube body is provided with infiltration loaded filter.
Present invention also offers a kind of irrigation effect good revegetation district water-saving irrigation system, comprise and harvest pond and revegetation district, also comprise above-mentioned soakaway trench, described soakaway trench is arranged on the underground in revegetation district, and by conveyance conduit with harvest pond and be communicated with.
Further, harvest pond described in and comprise gathering surface and cistern; Described gathering surface is obliquely installed, and its lower end is corresponding with the import of cistern.
Further, described in harvest pond and also comprise at least one piece of cover plate, described cover plate lid is located on cistern, and the gap between cover plate and cistern sidewall or between cover plate and cover plate is the import of cistern.
Further, described revegetation district comprises planting groove and is successively set on sand-gravel cushion, plantation soil layer and the bark cover layer in planting groove from the bottom up; Described soakaway trench is arranged in sand-gravel cushion along the length direction of planting groove.
Further, described planting groove surrounds primarily of planting groove outer abutment wall, packway platform and side slope; Also be provided with within the walls outside described planting groove and be communicated with plantation soil layer and extraneous drainpipe, the water inlet of described drainpipe is provided with geotextiles.
Further, the middle part of described sand-gravel cushion cross section have raise up and embed plantation soil layer in infiltration portion, described soakaway trench is arranged in this infiltration portion; The bottom of the cross section of described plantation soil layer has at least one to lower convexity and the portion that draws water embedded in sand-gravel cushion.
Present invention also offers the construction method of a kind of revegetation district water-saving irrigation system, for the revegetation district water-saving irrigation system of constructing above-mentioned, the method comprises the following steps:
Step one, permeability test; The infiltration filler of composition after the rubble of different-grain diameter and sand mixing is packed into the inside of tube body and crosses water, carries out permeability test, determine the seepage velocity of the infiltration filler of different-grain diameter and different mixing proportion;
Step 2, builds and harvests pond; Before pouring construction, first by smooth to side slope, packway platform and catchment area cleaning, removing foreign material, and the landform around catchment area is processed, to meet construction requirement; Then, by construction drawing unwrapping wire on side slope, packway platform and catchment area, accurate calibration harvests position and the size in pond; Finally, according to construction drawing, build in unwrapping wire position and harvest pond;
Step 3, packway platform arranges planting groove;
Step 4, according to the speed of catchmenting harvesting pond of building in step 2, determines the seepage velocity of soakaway trench; According to the length of planting groove in step 3, determine the length of soakaway trench; According to seepage velocity and the length of soakaway trench, determine the seepage velocity of the soakaway trench of unit length, then select the infiltration filler with corresponding seepage velocity;
Step 5, makes soakaway trench; The infiltration filler selected in step 4 to be loaded in tube body that tube wall is provided with multiple water seepage hole and compacting, then wrap up geotextiles on the tube wall surface of tube body;
Step 6, lays sand-gravel cushion in planting groove, then imbeds in sand-gravel cushion by the soakaway trench made in step 5; Then, by conveyance conduit by soakaway trench with harvest pond and be communicated with;
Step 7, by planting requirement, sand-gravel cushion is laid planting soil layer, and covers bark cover layer on plantation soil layer.
The invention has the beneficial effects as follows: by being arranged on the infiltration filler of tube body inside, on the one hand the irrigation water entering this soakaway trench is slowly oozed out, saving water resource, is beneficial to the absorption of vegetation; Be beneficial to the irrigation water entering this soakaway trench on the other hand to spread to surrounding, irrigation water can be oozed out from each water seepage hole tube body, and irrigation effect is better.By the infiltration loaded filter arranged, when irrigation water can be avoided to ooze out from water seepage hole on the one hand, infiltration filler is taken out of; On the other hand under the immersional wetting of infiltration loaded filter, be beneficial to the irrigation water oozed out and spread to surrounding, further increase irrigation effect.Described irrigation system by harvest pond achieve catchment, water storage function, can slowly to revegetation district supply moisture by adopting above-mentioned soakaway trench to carry out irrigation, meet the required moisture requirement of side slope vegetation growth, effectively improve the survival rate that vegetation is planted, and ensure that the growth result in vegetation later stage.
Accompanying drawing explanation
Fig. 1 is the cross-sectional structure schematic diagram of soakaway trench;
The enforcement structural representation of Tu2Shi revegetation district water-saving irrigation system;
Fig. 3 is the cutaway view along A-A line in Fig. 2;
Be labeled as in figure: tube body 11, infiltration filler 12, infiltration loaded filter 13, harvest pond 2, conveyance conduit 21, cistern 22, cover plate 23, revegetation district 3, planting groove 31, the outer abutment wall 311 of planting groove, sand-gravel cushion 32, infiltration portion 321, plantation soil layer 33, the portion 331 that draws water, bark cover layer 34, drainpipe 35, packway platform 4, side slope 5.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, soakaway trench, comprises the tube body 11 that tube wall is provided with multiple water seepage hole, also comprises the infiltration filler 12 being arranged on tube body 11 inside.Wherein, multiple water seepage hole uniform setting on the tube wall of tube body 11 usually; The Main Function of infiltration filler 12 is choked flow infiltrations and irrigation water is spread to surrounding, the embodiment of infiltration filler 12 can have multiple, such as: the material that hole can be adopted larger makes infiltration filler 12, and the bulk materials such as the mixture of sandy soil, rubble or rubble and sand also can be adopted to make the filler 12 that seeps water.Preferably, described infiltration filler 12 is mixed by the rubble of different-grain diameter and sand and forms.Usually, select different infiltration fillers 12 to change the seepage velocity of this soakaway trench of unit length.
In order to avoid irrigation water ooze out from water seepage hole time, infiltration filler 12 to be taken out of, more as shown in Figure 1, the tube wall surface of described tube body 11 is provided with infiltration loaded filter 13.The Main Function of described infiltration loaded filter 13 filters infiltration filler 12, and it can be made of a variety of materials, such as: permeable membrane, cloth, timber etc.Infiltration loaded filter 13 preferably adopts geotextiles to make, and geotextiles is wrapped in tube body 11 tube wall surface when arranging.Infiltration loaded filter 13 has certain effect of impregnation usually, under the immersional wetting of infiltration loaded filter, is beneficial to the irrigation water oozed out and spreads to surrounding, further increase irrigation effect.
As shown in Figure 2, revegetation district water-saving irrigation system, comprise and harvest pond 2 and revegetation district 3, also comprise above-mentioned soakaway trench, described soakaway trench is arranged on the underground in revegetation district 3, and by conveyance conduit 21 with harvest pond 2 and be communicated with.Wherein, harvest the pond that pond 2 is generally concreting, preferred intensity grade is the concreting of C20, harvests pond 2 and has the function of catchmenting with retaining, for supplying water to revegetation district 3; The underground being embedded in revegetation district 3 by above-mentioned soakaway trench is irrigated, and not only saved water resource, and irrigation effect is higher; By the soakaway trench selecting the infiltration filler 12 of suitable seepage velocity to make, the balance of catchmenting and irrigating can be realized, when also required moisture can be absorbed in the process of growth of vegetation in the later stage, effectively ensure that the growing way of vegetation.Described conveyance conduit 21 is embedded in underground usually, carries out the conveying of irrigation water, usually also fills out and be provided with infiltration filler 12 in conveyance conduit 21.
Concrete, more as shown in Figure 2, described in harvest pond 2 and comprise gathering surface and cistern 22; Described gathering surface is obliquely installed, and its lower end is corresponding with the import of cistern 22.In order to reduce the evaporation discharge harvested in pond 2, described in harvest pond 2 and also comprise at least one piece of cover plate 23, described cover plate 23 lid is located on cistern 22, and the gap between cover plate 23 and cistern 22 sidewall or between cover plate 23 and cover plate 23 is the import of cistern 22.
As a kind of preferred version of revegetation district water-saving irrigation system, shown in composition graphs 2 and Fig. 3, described revegetation district 3 comprises planting groove 31 and is successively set on sand-gravel cushion 32, plantation soil layer 33 and the bark cover layer 34 in planting groove 31 from the bottom up; Described soakaway trench is arranged in sand-gravel cushion 32 along the length direction of planting groove 31.Wherein, sand-gravel cushion 32 adopts sand gravel laying to form; Plantation soil layer 33 is selected the planting soil meeting side slope vegetation planting requirement to lay and is formed; Bark cover layer 34 covers the surface being arranged on plantation soil layer 33, and for reducing the evaporation discharge of plantation soil layer 33 and being incubated plantation soil layer 33, its laying depth is generally 5 ~ 7cm.Usually abutment wall in the planting groove piled up by sand gravel is also provided with at sand-gravel cushion 32 with between plantation soil layer 33 and side slope 5.In the place that the temperature difference is larger, usually can also cover one deck burlap on bark cover layer 34, improve insulation further and subtract evaporation effect.
Concrete, as shown in Figure 3, described planting groove 31 surrounds primarily of planting groove outer abutment wall 311, packway platform 4 and side slope 5; Described planting in the outer abutment wall 311 of groove is also provided with the drainpipe 35 being communicated with plantation soil layer 33 and the external world, and the water inlet of described drainpipe 35 is provided with geotextiles.Drainpipe 35, for discharging unnecessary irrigation water, avoids vegetation root to be flooded; Be arranged on the geotextiles of drainpipe 35 water inlet, can avoid during drainpipe 35 draining, planting soil being taken out of.
On the basis of the above, in order to improve irrigation effect further, the middle part of described sand-gravel cushion 32 cross section have raise up and embed plantation soil layer 33 in infiltration portion 321, described soakaway trench is arranged in this infiltration portion 321; The bottom of the cross section of described plantation soil layer 33 has at least one to lower convexity and the portion that draws water 331 embedded in sand-gravel cushion 32.Infiltration portion 321 can make the irrigation water oozed out from soakaway trench directly penetrate into the middle part of plantation soil layer 33, the portion 331 that draws water is beneficial to plantation soil layer 33 and draws the irrigation water of sand-gravel cushion 32, irrigation effect is substantially increased with the portion 331 that draws water by the infiltration portion 321 of said structure, meet the required moisture requirement of side slope vegetation growth, effectively improve the survival rate that vegetation is planted, and ensure that the growth result in vegetation later stage.
The construction method of revegetation district water-saving irrigation system, for the revegetation district water-saving irrigation system of constructing above-mentioned, comprises the following steps:
Step one, permeability test; The infiltration filler 12 of composition after the rubble of different-grain diameter and sand mixing is packed into the inside of tube body 11 and crosses water, carries out permeability test, determine the seepage velocity of the infiltration filler 12 of different-grain diameter and different mixing proportion;
Step 2, builds and harvests pond 2; Before pouring construction, first by smooth to side slope 5, packway platform 4 and catchment area cleaning, removing foreign material, and the landform around catchment area is processed, to meet construction requirement; Then, by construction drawing unwrapping wire on side slope 5, packway platform 4 and catchment area, accurate calibration harvests position and the size in pond 2; Finally, according to construction drawing, build in unwrapping wire position and harvest pond 2;
Step 3, packway platform 4 arranges planting groove 31; As shown in Figure 3, one outer abutment wall 311 of planting groove is set usually on packway platform 4, makes planting groove outer abutment wall 311, packway platform 4 and side slope 5 jointly surround planting groove 31; Plant outside groove and be usually reserved with passageway between abutment wall 311 and the edge of packway platform 4;
Step 4, according to the speed of catchmenting harvesting pond 2 of building in step 2, determines the seepage velocity (referring to the seepage velocity that soakaway trench is total) of soakaway trench; According to the length of planting groove in step 3 31, determine the length of soakaway trench; According to seepage velocity and the length of soakaway trench, determine the seepage velocity of the soakaway trench of unit length, then select the infiltration filler 12 with corresponding seepage velocity;
Step 5, makes soakaway trench; The infiltration filler 12 selected in step 4 is loaded the interior also compacting of tube body 11 that tube wall is provided with multiple water seepage hole, then wrap up geotextiles on the tube wall surface of tube body 11;
Step 6, lays sand-gravel cushion 32, then imbeds in sand-gravel cushion 32 by the soakaway trench made in step 5 in planting groove 31; Then, by conveyance conduit 21 by soakaway trench with harvest pond 2 and be communicated with; Conveyance conduit 21 is also filled with infiltration filler 12 usually, now, using the seepage velocity of seepage velocity determined soakaway trench in step 4 of conveyance conduit 21 delivery port;
Step 7, by planting requirement, sand-gravel cushion 32 is laid planting soil layer 33, and covers bark cover layer 34 on plantation soil layer 33.
Claims (10)
1. soakaway trench, comprises the tube body (11) that tube wall is provided with multiple water seepage hole, it is characterized in that: also comprise and be arranged on the inner infiltration filler (12) of tube body (11).
2. soakaway trench as claimed in claim 1, is characterized in that: described infiltration filler (12) is mixed by the rubble of different-grain diameter and sand and forms.
3. soakaway trench as claimed in claim 1 or 2, is characterized in that: the tube wall surface of described tube body (11) is provided with infiltration loaded filter (13).
4. revegetation district water-saving irrigation system, comprise and harvest pond (2) and revegetation district (3), it is characterized in that: also comprise soakaway trench as claimed any one in claims 1 to 3, described soakaway trench is arranged on the underground of revegetation district (3), and by conveyance conduit (21) with harvest pond (2) and be communicated with.
5. revegetation district as claimed in claim 4 water-saving irrigation system, is characterized in that: described in harvest pond (2) and comprise gathering surface and cistern (22); Described gathering surface is obliquely installed, and its lower end is corresponding with the import of cistern (22).
6. revegetation district as claimed in claim 5 water-saving irrigation system, it is characterized in that: described in harvest pond (2) and also comprise at least one piece of cover plate (23), described cover plate (23) lid is located on cistern (22), and the gap between cover plate (23) and cistern (22) sidewall or between cover plate (23) and cover plate (23) is the import of cistern (22).
7. the revegetation district water-saving irrigation system as described in claim 4,5 or 6, is characterized in that: described revegetation district (3) comprises planting groove (31) and is successively set on sand-gravel cushion (32) in planting groove (31), plantation soil layer (33) and bark cover layer (34) from the bottom up; Described soakaway trench is arranged in sand-gravel cushion (32) along the length direction of planting groove (31).
8. revegetation district as claimed in claim 7 water-saving irrigation system, is characterized in that: described planting groove (31) surrounds primarily of planting groove outer abutment wall (311), packway platform (4) and side slope (5); Also be provided with in the outer abutment wall (311) of described planting groove and be communicated with plantation soil layer (33) and extraneous drainpipe (35), the water inlet of described drainpipe (35) is provided with geotextiles.
9. revegetation district as claimed in claim 7 water-saving irrigation system, it is characterized in that: the middle part of described sand-gravel cushion (32) cross section has and raises up and the infiltration portion (321) embedded in plantation soil layer (33), and described soakaway trench is arranged in this infiltration portion (321); The bottom of the cross section of described plantation soil layer (33) has at least one to lower convexity and the portion that draws water (331) embedded in sand-gravel cushion (32).
10. the construction method of revegetation district water-saving irrigation system, for the revegetation district water-saving irrigation system of constructing according to any one of claim 4 to 9, is characterized in that, comprise the following steps:
Step one, permeability test; The infiltration filler (12) of composition after the rubble of different-grain diameter and sand mixing is packed into the inside of tube body (11) and crosses water, carry out permeability test, determine the seepage velocity of the infiltration filler (12) of different-grain diameter and different mixing proportion;
Step 2, builds and harvests pond (2); Before pouring construction, first by smooth to side slope (5), packway platform (4) and catchment area cleaning, removing foreign material, and the landform around catchment area is processed, to meet construction requirement; Then, by construction drawing unwrapping wire on side slope (5), packway platform (4) and catchment area, accurate calibration harvests position and the size in pond (2); Finally, according to construction drawing, build in unwrapping wire position and harvest pond (2);
Step 3, packway platform (4) arranges planting groove (31);
Step 4, according to the speed of catchmenting harvesting pond (2) of building in step 2, determines the seepage velocity of soakaway trench; According to the length of planting groove in step 3 (31), determine the length of soakaway trench; According to seepage velocity and the length of soakaway trench, determine the seepage velocity of the soakaway trench of unit length, then select the infiltration filler (12) with corresponding seepage velocity;
Step 5, makes soakaway trench; The infiltration filler (12) selected in step 4 is loaded the interior also compacting of tube body (11) that tube wall is provided with multiple water seepage hole, then wrap up geotextiles on the tube wall surface of tube body (11);
Step 6, lays sand-gravel cushion (32), is then imbedded by the soakaway trench made in step 5 in sand-gravel cushion (32) in planting groove (31); Then, by conveyance conduit (21) by soakaway trench with harvest pond (2) and be communicated with;
Step 7, by planting requirement, at sand-gravel cushion (32) upper laying planting soil layer (33), and in plantation soil layer (33) upper covering bark cover layer (34).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510822117.2A CN105409725B (en) | 2015-11-24 | 2015-11-24 | Soakaway trench, revegetation area water-saving irrigation system and its construction method |
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| CN201510822117.2A CN105409725B (en) | 2015-11-24 | 2015-11-24 | Soakaway trench, revegetation area water-saving irrigation system and its construction method |
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| CN105409725B CN105409725B (en) | 2018-08-14 |
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| CN106105451A (en) * | 2016-07-15 | 2016-11-16 | 山东胜伟园林科技有限公司 | A kind of alkaline land soil plate and maintaining method thereof |
| CN106359002A (en) * | 2016-08-30 | 2017-02-01 | 山东胜伟园林科技有限公司 | Secondary saline-alkali soil crop drip irrigation device and drip irrigation method |
| CN106759171A (en) * | 2016-11-15 | 2017-05-31 | 于光成 | Ooze water drainage water pipe |
| CN106818413A (en) * | 2016-12-23 | 2017-06-13 | 西北农林科技大学 | A kind of method of utilization slope underground water irrigated crop |
| CN107494023A (en) * | 2017-09-26 | 2017-12-22 | 界首市高丰农业专业合作社 | A kind of network grating type corn planting groove |
| CN114223454A (en) * | 2021-12-20 | 2022-03-25 | 蒙阴县林业局 | Seedling planting device and method for barren mountain area |
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| CN106818413A (en) * | 2016-12-23 | 2017-06-13 | 西北农林科技大学 | A kind of method of utilization slope underground water irrigated crop |
| CN107494023A (en) * | 2017-09-26 | 2017-12-22 | 界首市高丰农业专业合作社 | A kind of network grating type corn planting groove |
| CN114223454A (en) * | 2021-12-20 | 2022-03-25 | 蒙阴县林业局 | Seedling planting device and method for barren mountain area |
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| CN105409725B (en) | 2018-08-14 |
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