CN207519098U - A kind of coastal saline-alkali area Yield rainfall relation is every drenching layer and hidden pipe salt discharge alkali system - Google Patents

Abstract

The utility model provides a kind of coastal saline-alkali area Yield rainfall relation every drenching layer and hidden pipe salt discharge alkali system, the ontology that several interconnections are included every drenching layer；The obverse and reverse of the ontology is equipped with the osculum of non-through ontology；And the center of the osculum of reverse side is on reverse side position corresponding with the geometric center of positive adjacent several osculums composition that it is connected with each other.Yield rainfall relation described in the utility model not only has the characteristics that rapid draining, stabilized structure, production are easy, easy for construction every drenching layer, while it is more convenient also to possess construction, does not pollute atmospheric environment, cost economy, compression strength higher, drainage space bigger；The novel water discharge device that beach saline land greening is suitble to use.

Description

A kind of coastal saline-alkali area Yield rainfall relation is every drenching layer and hidden pipe salt discharge alkali system

Technical field

The utility model belongs to beach saline land desalting system technical field, is used more particularly, to a kind of coastal saline-alkali area Yield rainfall relation is every drenching layer and hidden pipe salt discharge alkali system.

Background technology

Common saline land greening salt discharge alkali mode at present：Gutter drainage, hidden pipe are combined combines row every drenching layer draining and the two Water mode, in addition, also coiled material type, sheet type plastic draining board drainage pattern.

Gutter drainage mode:Main draining is set according to a determining deviation according to soil physical property and depth of groundwater table Ditch, branch gutter and the whole drainage system of hair ditch composition.Such water discharge method land utilization ratio is low, wastes valuable land resource； Secondly, the soil body must be exposed to the external world for a long time in the range of bright ditch and both sides, and there are gully, landslide and slope failures etc. to ask for generality Topic, not only daily maintenance costly (needing to put into a large amount of human and material resources for a long time) but also there are security risks；In addition, bright ditch The loss of a certain amount of soil is also resulted in during draining, influences irrigation canals and ditches adjacent outside the region being connected with gutter and river and city Political affairs pipeline it is unobstructed, difficulty is increased to the work of its associated maintenance unit；It finally, can not using gutter drainage in varieties in saline-alkali areas The capillarity of the lower part soil body is blocked, the soil water containing salt basic ion can take saline and alkaline ion to top by soil body capillary force In the soil body in addition formed earth's surface salinity high aggregation, cause topsoil saline and alkaline exceeded, the weak increment of plant growing way is small, very It cannot extremely survive.

Hidden pipe is combined every drenching layer drainage pattern：In the suitable depth plane in underground, parallel laid pipeline at a certain distance, Hidden pipe is embedded in stone fragment water drenching layer or hidden pipe embedment in sand french drain, is laid with stone fragment water drenching layer in french drain upper epidermis, is formed Sewerage pipeline network with certain drop, connecting each other permeates discharge underground water by hidden pipe.Shortcoming is by sandstone Material exploitation process pollution air, polluted water resources, destruction eco-environmental impact is especially big, and current China or even the whole world are to protecting It protects and improves the ecological environment and increasingly pay attention to, especially atmosphere pollution, water pollution control and illegal punish punishment increasingly Weight.Be affected by this, many is closed on city mine mining and processing plant and is shut down successively, and sand material price is unprecedented soaring, cause in face of it is wide The hidden pipe of general use is combined and is greatly improved every drenching layer drainage pattern practicing system cost.Secondly, construction needs heavy mechanical equipment It is carried out with reference to artificial, dust pollution air is generated in construction, the construction time is long, and operating expenses is high, and laying depth quality is difficult to protect Card；Again, stone fragment is about 42% or so through theoretical calculation every drenching layer porosity, and in practical applications, stone fragment contains centainly Mountain flour is measured, according to China's latest edition《Landscape engineering is constructed and acceptance specification》In CJJ82-2012 the 3rd section of 4.14.3 3) it Regulation：" mountain flour and soil content must not exceed 10% in aggregate chips drenching layer material ", i.e. mountain flour and soil content≤10%, to close Thus lattice calculate, stone fragment is about 32% or so every drenching layer actual porosity；In addition stone fragment is transplanted the soil body and ground by top Other gravity squeeze and the influence of the factors such as the etch of varieties in saline-alkali areas high salinity underground water and crustal movement, with the time Passage, can also generate a small amount of mountain flour between pellet, being carried in itself based on material can also produce during soil and mountain flour and use Two true factors of raw a small amount of mountain flour, stone fragment every drenching layer under the comprehensive function of Infiltration water, stone fragment, mountain flour, soil and Water ultimately forms the caking of permeable aeration difference being mutually adhered, and with gradually increasing for caking quantity, ultimately forms water penetration Poor plate body structure, at this point, stone fragment is further reduced every drenching layer effective drainage porosity, aggregate chips, soil plug hidden pipe water seepage hole, Cause to ooze drainability every, salt discharge alkali system and decline.Through in Tianjin Economic Technological Develop- ment Area 10 years (1989-1999) 2 × 10⁶m²Greenery patches in the range of choose 38 soil profiles as water salt dynamic monitoring point, annual generaI investigation sampling 2-3 times, progress PH The chemical analysis of the indexs such as value, total salt, observation result is in terms of variation general trend, and salinity shows from top to bottom in gradient in the 1m soil bodys Distribution, shows that, once pipeline silts up, salt branch returns to ground due to deposition every polysalt in drenching layer more than 10-20cm soil, produces Raw secondary salinization.

Gutter drainage combination closed drainage mode：Arterial drainage is bright ditch form, and branch drainpipe and hair ditch are hidden pipe form, It is connected with each other, is discharged underground water by draining outside bright ditch.The drainage pattern disadvantage packet of such combination expands above two draining side The position being also connected there are hidden pipe french drain with Ming Gou outside the shortcoming of formula be easy to occur bright ditch come down, the soil for accumulation of caving in The phenomenon that body damages french drain and blocks hidden pipe water outlet needs to increase the design of water outlet flinty slope, so as to improve Maintenance Difficulty It spends and increases practicing system cost.

Coiled material type, sheet type plastic draining board drainage pattern：It is applied to shed deckhead greening row in roof in afforestation project more Water, ground greening draining application example is few, and saline land greening engineer application does not almost have.Its operation principle is：Plastic draining It is the quilted plastic panel of extrusion molding among plate, is the skeleton and drainage channel of drain bar, mostly hollow cone boss dentation or half Filtering layer is made in ball dentation, two sides with non-woven geotextile package, and the water that core ribbon plays a supportive role and infilters filtering layer is horizontal Drain into the ovum all around set, gravel french drain, french drain is connected the drainage system of composition with water outlet.Connection mode for bond, Overlap joint, thermal weld, drain bar also known as weather board, water filter plate.It is divided into single, double surface concave-convex type, rectangular drainage plate (such as Figure 18, figure Shown in 19).Be by high density polyethylene (HDPE) (HDPE) plastic cement bottom plate by punching press be made circular cone convex or ribbed stiffener salient point (or Hollow semicircular boss) it forms.Main specifications has：Drain bar body thickness 8,12,16,20,25,30mm.The top surface of circular cone convex It is glued one layer of filtering geotextiles, dirt particles to be prevented to pass through, so as to which drainage channel obstruction be avoided to make duct draining smooth；Resistance to compression Intensity 150--400KPa.

In the application range of afforestation project：Shed deckhead greening, roof garden, vertical greening, pitched roof greening, football Field, golf course.Its shortcoming is：Its structure design support force structure is convex for hollow cone boss or hollow semi-cylindrical Platform, material thickness is thin, and generally in 0.7-2.0mm, entire compression intensity is weaker, and compression strength and plate body thickness are inversely proportional. Coastal saline-alkali area, level of ground water is generally higher, in addition the Pluvial meet heavy rain, torrential rain, extra torrential rain weather often, it is desirable that row Water system, instantaneous displacement is big, is eager to excel.Drain bar body thickness 8, though 12,16,20mm products can meet compression strength, nothing Method meets instantaneous displacement will greatly, and design requirement eager to excel in whatever one does, drain bar body thickness 25,30mm are on the contrary, can not meet resistance to compression Intensity requirement.Such drain bar needs to increase material thickness, be so necessarily multiplied list in the case where constructional appearance is constant Position quality and raising production cost.It is insufficient second is that connection mode, during seam welds, generates exhaust gas, pollutes atmospheric environment, must be specially Industry personnel operate, and take a lot of work, is time-consuming；Overlapping connection mode needs certain lap width, and the width of general two double wedges wastes material Material improves cost；Bonding connection mode needs adhesive, contains benzene,toluene,xylene, formaldehyde and toluene diisocynate more Ester, toxicity is larger, serious to human health damage, while soil and water can be polluted.

Invention content

In view of this, the utility model is directed to a kind of coastal saline-alkali area Yield rainfall relation every drenching layer and hidden pipe salt discharge alkali System, with overcome the deficiencies in the prior art.

In order to achieve the above objectives, the technical solution of the utility model is realized in：

A kind of coastal saline-alkali area Yield rainfall relation includes the ontology of several interconnections every drenching layer；

The obverse and reverse of the ontology is equipped with the osculum of non-through ontology；And the center of the osculum of reverse side is located at On reverse side position corresponding with the geometric center that several adjacent osculums of front that it is connected with each other form.

Further, the shape of the osculum is one kind in octagon, circle, square or rectangular；

Four sides of the ontology are wherein equipped with card slot with respect to both sides, and another corresponding both sides are equipped with cutting, and ontology mutually interconnects The cutting connection of card slot and corresponding position when connecing；

Front and the reverse side of the ontology paste permeable non-woven fabrics.

Further, the ontology is plastic plate；

The front of the plastic plate is equipped with the first osculum of octagon；Reverse side is equipped with the second draining of octagon Hole, the edge of the reverse side of plastic plate are equipped with third osculum, and four angles of plastic plate reverse side are equipped with the 4th osculum；First Osculum is equal sized with the second osculum；

Second osculum centre bit of the octagon of plastic plate reverse side in its be connected with each other front it is adjacent four just On the corresponding reverse side position of geometric center of octagonal first osculum composition.

Further, the edge of the plastic plate reverse side is equipped with edge supports item；Between the edge supports item of the same side Distance is equal to the diameter length of the first osculum inscribed circle；

The edge supports article the first osculum adjacent thereto, third osculum and the 4th osculum are connected；Its Middle edge supports top is connect with plastic plate front first row the first osculum outermost side, edge supports lower part and plastic plate Reverse side bottom plate is connected.

Further, plastic plate surrounding first row and first support post, the first osculum adjacent thereto, the second draining Hole and the connection of third osculum；

Other support posts the first osculum adjacent thereto and the second osculum are connected.

Further, groove structure of corresponding 4th osculum in plastic plate quadrangle for non-through plastic plate on reverse side；

When plastic plate docks, four the 4th osculums being close to are mutually twisted with chain fastener on reverse side connect.

Further, the plastic plate, chain fastener are made of HDPE or PVC or PP materials；It is greatly improved resistance to compression Performance, tensile resistance.

The thickness range of the plastic running surface layer of support post upper and lower bottom surface connection is 0.7-5mm, planar dimension 30*30, 40*40,50*50,100*100cm, whole height ranging from 0.24-20cm；

The hole edge length or inscribed circle or circumscribed circle diameter model of first osculum, the second osculum and third osculum It encloses for 0.5-10cm；

The support post cross section be square or cuboid, cross section side size range be 0.2-2cm, free height range For 0.24-20cm；

The chain catch bottom face side size range is 2-20cm, altitude range 0.24-20cm；The edge supports item is Cuboid or square, length range 0.5-20cm, width range 0.2-2cm, altitude range 0.24-20cm.

The utility model also provides a kind of coastal saline-alkali area desalting system, including Yield rainfall relation as described above every drenching layer.

A kind of coastal saline-alkali area hidden pipe salt discharge alkali system, including Yield rainfall relation as described above every drenching layer, weeper drain And salt discharge inspection shaft；

The longitudinal section (longitudinal section is perpendicular to the section of plastics weeper drain long axis) of the weeper drain is arch； And carry out rounded corner processing in its longitudinal section lower part bilateral footing；And gully-hole and cutting are equipped in the both sides of weeper drain, it inserts Item and the ontology connection mode every drenching layer are clamping, and the connection mode of adj acent plastic weeper drain is spigot-and-socket, the shape of longitudinal section Shape width range is 5-30cm, altitude range 5-30cm, wall thickness range 0.2-2cm；And the height f of arcuate part and its bottom The ratio of minister's degree L is 1:2.

Further, the bottom of the salt discharge inspection shaft is square or cuboid, and top is cylinder, in its facade side Wall is equipped with connecting hole, is connected with weeper drain and salt discharge collection pipe, and the salt discharge inspection shaft is buried, and bottom is pros The width range of body or cuboid is 50-250cm, and top is cylinder diameter ranging from 40-100cm, and whole height is ranging from 50cm-500cm；Wall thickness range is 0.3-15cm.The weeper drain is made of HDPE or PVC or PP materials, salt discharge inspection Well is made of HDPE or PVC or PP materials or armored concrete or fiberglass (FRP) material.

Relative to the prior art, a kind of coastal saline-alkali area Yield rainfall relation described in the utility model is arranged every drenching layer and hidden pipe Saline and alkaline system, has the advantage that：

Yield rainfall relation described in the utility model is every drenching layer, not only with draining is rapid, stabilized structure, production is easy, constructs The features such as facilitating, at the same also possess construction it is more convenient, do not pollute atmospheric environment, cost economy, compression strength higher, drainage space Bigger；The novel water discharge device that beach saline land greening is suitble to use.

Hidden pipe salt discharge alkali system described in the utility model, construction and installation are simply easily grasped, convenient rapid, save 1/2-3/ 4 construction times compared the construction of stone fragment hidden pipe desalting system and conventional discharge plate system construction save 4/5 and 1/2 construction and installation Expense, and 1/2-3/4 subsequent handlings construction machinery machine-team cost of idleness and construction management expense can be saved.

Hidden pipe salt discharge alkali system described in the utility model, system later maintenance expense are low；Installation uses clamping, holds Insert connection, process without dust, without toxic gas, solid waste generates, and does not pollute air, soil and groundwater, ecological, environmental protective；System Service life united up to 20 years or more, it can be with turnaround cycle secondary use, energy conservation and environmental protection.

Hidden pipe salt discharge alkali system described in the utility model, whole system is using factorial praluction, component of a system flexibility Good, transport and installation are hardly damaged, and construction is simple is convenient, and quality easily ensures；Can solve that large-area construction brings looks for Slope difficulty problem realizes zero gradient functional in organized water drainage；The hidden pipe desalting system by plastics weeper drain, novel salt discharge inspection shaft, Three subsystem compositions of plastic partition drenching layer.Wherein, plastics weeper drain internal diameter is approximate circle, and compression strength is big, when flow passes through When, wetted perimeter is small, fluid friction resistance is small, and flow velocity is fast；Novel salt discharge inspection shaft use light-weight design, bottom for square base just It is installed in plastic partition drenching layer, top is that round well body compression strength is good, and firm durable, inner air and outer air exchanges；Plastic partition drenches Layer root resistance is good, while has thoroughly blocked the capillarity of underlying soil, eliminates top subsoil and topsoil polysalt Phenomenon reduces the entire soil body in top after soil in-situ is improved the phenomenon that the secondary accumulation of salt in the surface soil.Its drain aperture rate tall and big 96% is left The right side is traditional stone fragment every 2-3 times of drenching layer effective drainage porosity, is 1.5-2 times of existing drain bar drain aperture rate.Each point is It is flowed smoothly between system and with air (extraneous air) gas exchanges so that draining is rapider, so as to cope with rain well Phase torrential rain and the big demand of the instantaneous displacement of extra torrential rain；System entire compression intensity is big, is conventional plastic drainage system 2.8 times or so, conducive to the large-scale equipment construction operation of rear process engineering.

Hidden pipe salt discharge alkali system described in the utility model, system use light-weight design, and the system components are light-weight, During installation, it can ensure matter by the 3-5 simple assembly of worker under supplier's construction technical staff simply guidance Amount, no machinery, equipment construction prevent the security risk that construction machinery construction is brought；The exposure drying time is short after foundation pit slot excavates, Reduce the construction risk hidden danger that slope failure is brought.

Description of the drawings

The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new The illustrative embodiments and their description of type do not form the improper restriction to the utility model for explaining the utility model. In attached drawing：

Fig. 1 is the positive plate face schematic diagram of structure of the plastic partition drenching layer described in the utility model embodiment；

Fig. 2 is the enlarged diagram of part A in Fig. 1；

Fig. 3 is the enlarged diagram of part B in Fig. 1；

Fig. 4 is the enlarged diagram of C portion in Fig. 1；

Fig. 5 is the structure inverse plate surface schematic diagram of the plastic partition drenching layer described in the utility model embodiment；；

Fig. 6 is the side view of Fig. 1；

Fig. 7 is the chain fastener structures schematic front view of plastic partition drenching layer；

Fig. 8 is the chain fastener structures diagrammatic top view of plastic partition drenching layer.

Fig. 9 is the plastics weeper drain front view described in the utility model embodiment.

Figure 10 is the plastics weeper drain vertical view described in the utility model embodiment.

Figure 11 is the plastics weeper drain side view described in the utility model embodiment.

Figure 12 is the plastics weeper drain threeway schematic diagram described in the utility model embodiment；

Figure 13 is the plastics weeper drain four-way schematic diagram described in the utility model embodiment；

Figure 14 is that the plastics weeper drain described in the utility model embodiment leads directly to schematic diagram.

Figure 15 is the novel salt discharge inspection shaft front view described in the utility model embodiment.

Figure 16 is the novel salt discharge inspection shaft vertical view described in the utility model embodiment.

Figure 17 is the desalting system connection diagram described in the utility model embodiment；

Figure 18 is rectangular drainage plate diagrammatic top view in the prior art；

Figure 19 is rectangular drainage plate elevational diagrammatic view in the prior art；

Reference sign：

1st, plastic plate；201st, the first osculum；202nd, the second osculum；203rd, third osculum；204th, the 4th osculum； 3rd, support post；4th, edge supports item；5th, card slot；6th, cutting；7th, non-woven fabrics；8th, chain fastener；9th, weeper drain；10th, salt discharge Inspection shaft；11st, salt discharge collection pipe；12nd, well lid；13rd, venthole；14th, communicating pipe；15th, municipal drainage sump.

Specific embodiment

It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the utility model can To be combined with each other.

In the description of the present invention, it is to be appreciated that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ", The orientation or position relationship of the instructions such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description rather than instruction Or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore be not understood that For the limitation to the utility model.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction Or imply relative importance or the implicit quantity for indicating indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can express or implicitly include one or more this feature.It is in the description of the present invention, unless another It is described, " multiple " are meant that two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally Connection；It can be directly connected, can also be indirectly connected by intermediary, can be the connection inside two elements.For For those of ordinary skill in the art, it can understand that specific in the utility model of above-mentioned term containing by concrete condition Justice.

The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

A kind of coastal saline-alkali area Yield rainfall relation includes the ontology of several interconnections every drenching layer；The front of the ontology The osculum of non-through ontology is equipped with reverse side；And the center of the osculum of reverse side is adjacent positioned at the front being connected with each other with it The geometric center of several osculums composition is corresponded on reverse side position.

Four sides of the ontology are wherein equipped with card slot 5 with respect to both sides, and another corresponding both sides are equipped with cutting 6, and ontology is mutual Card slot 5 is connect with the cutting 6 of corresponding position during connection；

Front and the reverse side of the ontology paste permeable non-woven fabrics 7.

As shown in Fig. 1~Fig. 8, the ontology is plastic plate 1；The front of the plastic plate 1 is equipped with the first of octagon Osculum 201；Reverse side is equipped with the second osculum 202 of octagon, and the edge of the reverse side of plastic plate 1 is equipped with third draining Hole 203, four angles of 1 reverse side of plastic plate are equipped with the 4th osculum 204；The size of first osculum 201 and the second osculum 202 It is equal；

202 center of the second osculum of the octagon of 1 reverse side of plastic plate is located at the front adjacent four being connected with each other with it On the corresponding reverse side position of geometric center of the first osculum 201 composition of a octagon.

The edge of 1 reverse side of plastic plate is equipped with edge supports item 4；Distance etc. between the same side edge supports item 4 In the diameter length of 201 inscribed circle of the first osculum；

The edge supports article 4 first osculum 201 adjacent thereto, 203 and the 4th osculum 204 of third osculum It is connected；Wherein 4 top of edge supports item is connect with first osculum of the positive first row of plastic plate 1,201 outermost side, edge supports 4 lower part of item is connected with 1 reverse side bottom plate of plastic plate.

1 surrounding first row of plastic plate and first support post 3, the first osculum 201 adjacent thereto, the second osculum 202 and third osculum 203 connect；

Other support posts 3 first osculum 201 adjacent thereto and the second osculum 202 are connected.

Groove structure of corresponding 4th osculum 204 of 1 four jiaos of plastic plate for non-through plastic plate 1 on reverse side；

When plastic plate 1 docks, four the 4th osculums 204 being close to and chain 8 company of being mutually twisted of fastener on reverse side It connects.

The plastic plate 1, chain fastener 8 are made of HDPE or PVC or PP materials；

The thickness range of 1 face of the plastic plate layer of 3 upper and lower bottom surface of support post connection is 0.7-5mm, planar dimension 30* 30th, 40*40,50*50,100*100cm, whole height ranging from 0.24-20cm；

The hole edge length or inscribed circle or outer of first osculum 201, the second osculum 202 and third osculum 203 Meet circular diameter ranging from 0.5-10cm；

3 cross section of support post be square or cuboid, cross section side size range be 0.2-2cm, free height model It encloses for 0.24-20cm；

The 8 bottom surface side size range of chain fastener is 2-20cm, altitude range 0.24-20cm；The edge supports item 4 For cuboid or square, length range 0.5-20cm, width range 0.2-2cm, altitude range 0.24-20cm.

As shown in Fig. 9~Figure 17, a kind of coastal saline-alkali area hidden pipe salt discharge alkali system, including Yield rainfall relation as described above Every drenching layer, weeper drain and salt discharge inspection shaft；

The longitudinal section (longitudinal section is perpendicular to the section of plastics weeper drain long axis) of the weeper drain is arch； And carry out rounded corner processing in its longitudinal section lower part bilateral footing；And gully-hole and cutting 6 are equipped in the both sides of weeper drain 9, Cutting 6 and the ontology connection mode every drenching layer are clamping, and the connection mode of adj acent plastic weeper drain 9 is spigot-and-socket, longitudinal section Shape width range be 5-30cm, altitude range 5-30cm, wall thickness range 0.2-2cm；And the height f of arcuate part with The ratio of its bottom lengths L is 1:2.

The domes major bearing structures of weeper drain is encircle wall vertical with both sides, under vertical uniform load q, two The vertical wall in side bears horizontal thrust and vertical pressure outward, while this horizontal thrust will significantly offset vertical load Moment in caused arch, to weaken influence of the horizontal thrust to plastic partition drenching layer lateral compression, foundation：" when arrow across On the contrary during than increase, the horizontal thrust of arch reduces, the increase of then horizontal thrust " principle, f is highly increased to the 1/2 of L, i.e., just Round radius length is more suitable.To weaken the influence of vertical pressure vertical wall to both sides, taking increases the vertical wall in both sides The width of footing increases the method for stress cross-sectional area, effect puts foot similar to building foundation, therefore carries out chamfering and set Meter；When by the timing of flow one, the wetted perimeter of circular cross-section is minimum, and wetted perimeter is smaller, shows the week that fluid is in direct contact with tube wall Length is smaller, and the frictional resistance of fluid is minimum；In addition, circular object is than other shapes easy to manufacture；Round ratio under force Other shapes are firm, so using rounded corners.

The bottom of the salt discharge inspection shaft 10 is square or cuboid, and top is cylinder, is set on its facade side wall There is connecting hole, connected with weeper drain 9 and salt discharge collection pipe 10, the salt discharge inspection shaft 10 is buried, and bottom is pros The width range of body or cuboid is 50-250cm, and top is cylinder diameter ranging from 40-100cm, and whole height is ranging from 50cm-500cm；Wall thickness range is 0.3-15cm.

To described in the utility model compliance test result is carried out every drenching layer：

The relevant parameter every drenching layer tested is as follows, material HDPE；The connection of 3 upper and lower bottom surface of support post The thickness of 1 face of plastic plate layer is 1.2mm, planar dimension 30*30, whole height 3cm；First osculum 201, second The hole edge of osculum 202 and third osculum 203 length or inscribed circle or circumscribed circle diameter ranging from 2cm；The support post 3 Cross section is square or cuboid, and the cross section length of side is 0.3cm, free height ranging from 3cm；The 8 bottom surface side of chain fastener Long ranging from 3.82cm, is highly 3cm；The edge supports item 4 is cuboid, and length 1cm, width 0.3cm are highly 3cm。

Experiment one：Drain discharge is tested

Experiment process is sketched：It improves the technology for planting soil in situ with reference to barged-in fill, 3 years was close at 2015-2017, My company has carried out continuous laboratory test to plastic partition drenching layer every the actual effect of, salt discharge buck, experiment pedotheque in It is derived from Tianjin Gangdong Jiang Gang areas reclaiming land around sea barged-in fill in April, 2015, dries in the shade fully through room ventilation after removing shell sundries Dry, artificial pulverizing simultaneously passes through 2mm standard inspection sieves, through measuring soil sample total salt content：1.31%, pH value：8.54 Ran Houyu The desulfurated plaster powder blending of 5% soil volume is uniformly spare；Leaching scouring water is urban duct tap water.Experimental design is three It repeats, 1 control, experimental rig is the cubic container that 4 length × width × heights are 1m × 1m × 1.2m, and on each container left side Top reference numerals SY1-1, SY1-2, SY1-3, CK-1.Each container wherein side elevation median vertical line lower section and container bottom Binding site trepanning, wherein tri- experiment container open pore size sizes of SY1-1, SY1-2, SY1-3 and plastic blind-ditch cross section ruler Very little consistent, CK-1 test chamber open pore size sizes are consistent with blind pipe cross sectional dimensions.Respectively number SY1-1, SY1-2, Bottom installation plastic partition drenching layer and plastic blind-ditch in three containers of SY1-3, and join its phase interfix and connect, formation one is whole Body, wherein french drain side end are reserved position of opening by container and are inserted into, and then install drainage catheter in container outer wall position of opening, Dust-collecting bucket is placed in underface, and it is thick to be laid with permeable non-woven fabrics, 1m above plastic partition drenching layer from down to up successively in container later The above-mentioned spare soil of experiment.

Number CK-1 removes bottom centre's line position in cubic container and installs hidden pipe, and hidden pipe faces end head plugging is tight, another End is inserted into reserved position of opening, is installed outside drainage catheter, and dust-collecting bucket is placed in underface, and completely applied thickness 0.15m is broken thereon For aggregate chips every drenching layer, other are identical with above-mentioned experimental group.3 equivalent are carried out to the soil body in experiment container respectively with reference to experimental design to fill Water wash soluble-salt, and periodic detection soluble-salt relevant ions index collects the outer salt discharge of measure in native in-vivo content and periodically The volume of buck, and carry out related data and summarize and statistical analysis；Finally plastic partition drenching layer structure appearance is tentatively divided Analysis.

Outer salt discharge buck rate determination analysis：

The washing salinity by irrigation three times of experiment initial stage, experiment soil body soluble-salt content to be detected, pH value reaches greening soil property will After asking, the soil body in experiment container is irrigated according to green land irrigation and weather precipitation outside soil dry-wet situation simulating chamber.Include 3 Secondary elution water consumption of pouring water, year irrigation quantity 1.3t/m2, points of 11 times irrigations, SY1-1, SY1-2, SY1-3 and CK-1 irrigation quantity and secondary Number is identical.CK-1 discharges saline-alkali water rate no significant difference with respect to SY1-1, SY1-2, SY1-3 in preceding water-pouring process three times；Experiment Intermediary and later stages, especially later stage CK-1 are heteropolar significantly with respect to SY1-1, SY1-2, SY1-3 discharge saline-alkali water speed difference, after experiment Phase, SY1-1, SY1-2, SY1-3 discharge saline-alkali water Mean Speed are respectively 1.23-1.40 times of CK-1, SY1-1, SY1-2, Without significant difference between SY1-3.

Control group stone fragment is smaller every drenching layer drainage ventilation gap, has a small amount of tiny mud particles to wear certainly due to pouring Saturating non-woven fabrics enters rubble and is attached to stone fragment particle surface every drenching layer aggregation, with eluting and pouring being incremented by for number, centainly The tiny mud particles of quantity can be migrated along with the tiny flow entered every drenching layer to the middle and lower part of rubble water drenching layer, in rubble Under the influence of the retardance for considering particle and air to be worth doing, tiny flow rate of water flow and flow disperse in horizontal direction around, and make it downward Power gradually weakens, these a certain number of tiny mud particles will be gathered into relatively large walk and be adhered to stone fragment Around grain, stone fragment is blocked every drenching layer drainage ventilation gap, outer salt discharge buck rate is caused to reduce；It is possible thereby to infer：It is broken Aggregate chips is using no adhesion between particle every drenching layer principle, and saline-alkali water is discharged using gap between particle, is actually afforesting work Cheng Zhong, stone fragment basis below drenching layer are generally soil, and the Annual variations impression by depth of groundwater table is larger, though through ramming It rolls, but foundation soil below, underground air stream moment, lower floor certainly will be being soaked during drenching layer salt discharge buck in fact Soil air humidity is big, no light, and temperature substantially remains in certain numerical value range, and variation is little.Therefore it should not restore drying, it is long The particle every drenching layer lower part was easy to enter in the foundation soil of lower section in the past for this, caused every leaching thinner layer thickness, and drainage space reduces, Later stage salt discharge buck rate can equally be caused to decline compared with During Initial Stage Construction apparent.

It generally no less than 20 years permanent greenery patches service life, even if Late reformation is promoted, is also only limited to earth's surface mima type microrelief and changes Make and soft, hard landscape rearrange on the ground, be not generally related to basic salt discharge every drenching layer position transformation, so on use The time limit, to ensure Afforestation Landscape quality steady in a long-term, using traditional stone fragment when drenching layer designs, it is necessary to fully consider every leaching Layer needs the method for increasing laying depth that can just ensure safety.Though can ensure long-term landscape quality in this respect, improve every leaching Layer project cost, loses more than gain.

Soluble-salt index analysis：

It is detected after 2 years through laboratory test, tri- repetitions of SY1-1, SY1-2, SY1-3, the experiment soil body above plastic partition drenching layer Soluble-salt content is reduced to 0.1%-0.2%, and during the experiment soil body soluble-salt is shown as from top to bottom in the 0-1m soil bodys Distribution gradient, earth's surface 0-0.2m soil layers are built up phenomenon without salinity and are occurred, and 0.8-1.0m soil layers are also without apparent polysalt.And CK-1 tables Now for stone fragment every polysalt is particularly evident in the range of 0.1-0.2m soil in drenching layer more than soil layer；

Analyze reason：Control group stone fragment is smaller every drenching layer drainage ventilation gap, and the later stage is by a certain amount of tiny soil Soil capillary force enhances after grain blocks, and the soluble-salt in the soil body of lower section is adjacent more than drenching layer capillary force rises to its top 0.1-0.2m range soil layers in, such as washing salinity by irrigation not in time, upper strata, which is entirely laid with soil layer, to be had by the danger of secondary salinization It may.In addition, in practical afforestation project, salt discharge also suffers from the border buried depth variation of underground water year every drenching layer and underlying soil Be affected, need further to be researched and analysed in this respect.

Plastic partition drenching layer structure appearance preliminary analysis.After above-mentioned experiment 3 years, structure will be tested through estimating without deformation After device is removed, unchanged, structure plate body entire body flawless before measuring its apparent size using tool and test, no warped, in Between supporting upright post and edge supports item without bending.Thus infer that the plastic partition drenching layer intensity, rigidity, stability are good.Structure is in itself Pressure-bearing is big, and mechanical property is good, and versatility is high, fully meets practical afforestation project needs.

Because the device be batch production batch production, can at the construction field (site) by a small amount of worker can quick-assembling, construct matter Amount easily ensures；The device uses high-density polyethylene material, and one-step building, ageing-resistant, resistance to immersion, displacement is reliable and stable, and It is not easy to plug.

Experiment two：Compressive strength test

Testing key instrument equipment is：WDN-600 multifunctional comprehensive mechanics machines, required precision are ± 0.5%.

Plastic partition drenching layer of the specimen size for 300mm*300mm*30mm, 3 pieces altogether.

Test procedure

With reference to《The standard test method of the compressive property of rigid plastics》ASTM D695-2010, this plastic products are using In perpendicular to board direction be main compression direction, therefore to plastic partition drenching layer structure carry out vertical direction compression test.It is first Plastic partition drenching layer sample positive direction is first placed in parallel in testing stand upwards, is then further applied load, test speed is set as 1.3mm/min records the failing load of sample.

(4) result of the test

The payload values of plastic partition drenching layer sample compression test are respectively obtained, test data then is substituted into compression strength calculates Formula

In formula：

σ_{Press max}The compression strength (MPa) of sample；

P_maxBroken ring load (N) under the conditions of specimen test；

B- compression faces width (mm)；

L- compression faces length (mm)；

By plank compressive property result of the test it is found that plastic partition drenching layer perpendicular to board direction compression strength be 1120KPa, Far above existing drain bar maximum compression strength value 400KPa, compression strength is its 2.8 times.

Structure porosity 96% or so is computed, drainage space is big, meets the dewatering needs of a-hundred-year heavy rain.This practicality Novel material object is obtained through experiment：The utility model material object is obtained through experiment：Compression strength 1120KPa is common plastics drain bar 2.8 times, compressive resistance is with the obvious advantage.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection domain within.

Claims (10)

1. a kind of coastal saline-alkali area Yield rainfall relation is every drenching layer, it is characterised in that：Include the ontology of several interconnections；

The obverse and reverse of the ontology is equipped with the osculum of non-through ontology；And the center of the osculum of reverse side is located at and it The geometric center of adjacent several osculums composition in front of interconnection is corresponded on reverse side position.

2. coastal saline-alkali area according to claim 1 Yield rainfall relation is every drenching layer, it is characterised in that：The shape of the osculum Shape is octagon, one kind in circle, square or rectangular；

Four sides of the ontology are wherein equipped with card slot (5) with respect to both sides, and another corresponding both sides are equipped with cutting (6), and ontology is mutual Card slot (5) is connect with the cutting (6) of corresponding position during connection；

Front and the reverse side of the ontology paste permeable non-woven fabrics (7).

3. coastal saline-alkali area according to claim 1 Yield rainfall relation is every drenching layer, it is characterised in that：The ontology is plastics Plate (1)；

The front of the plastic plate (1) is equipped with the first osculum (201) of octagon；Reverse side is equipped with the second row of octagon Water hole (202), the edge of the reverse side of plastic plate (1) are equipped with third osculum (203), four angles of plastic plate (1) reverse side Equipped with the 4th osculum (204)；First osculum (201) is equal sized with the second osculum (202)；

The second osculum (202) center of the octagon of plastic plate (1) reverse side is located at the front adjacent four being connected with each other with it On the corresponding reverse side position of geometric center of the first osculum (201) composition of a octagon.

4. coastal saline-alkali area according to claim 3 Yield rainfall relation is every drenching layer, it is characterised in that：The plastic plate (1) The edge of reverse side is equipped with edge supports item (4)；Distance is equal to the first osculum between the same side edge supports item (4) (201) diameter length of inscribed circle；

The edge supports article (4) the first osculum (201) adjacent thereto, third osculum (203) and the 4th osculum (204) it is connected；Wherein edge supports item (4) top connects with the positive outermost side of the first osculum of first row (201) of plastic plate (1) It connects, edge supports item (4) lower part is connected with plastic plate (1) reverse side bottom plate.

5. coastal saline-alkali area according to claim 3 Yield rainfall relation is every drenching layer, it is characterised in that：Plastic plate (1) surrounding First row and first support post (3), the first osculum (201) adjacent thereto, the second osculum (202) and third draining Hole (203) connects；

Other support posts (3) the first osculum (201) adjacent thereto and the second osculum (202) are connected.

6. coastal saline-alkali area according to claim 3 Yield rainfall relation is every drenching layer, it is characterised in that：Plastic plate (1) quadrangle Groove structure of corresponding 4th osculum (204) for non-through plastic plate (1) on reverse side；

When plastic plate (1) docks, four the 4th osculums (204) being close to are mutually twisted with chain fastener (8) on reverse side Connection.

7. coastal saline-alkali area according to claim 6 Yield rainfall relation is every drenching layer, it is characterised in that：The plastic plate (1), Chain fastener (8) is made of HDPE or PVC or PP materials；

The thickness range of plastic plate (1) face layer of the upper and lower bottom surface connection of support post (3) is 0.7-5mm, planar dimension 30* 30th, 40*40,50*50,100*100cm, whole height ranging from 0.24-20cm；

The hole edge of first osculum (201), the second osculum (202) and third osculum (203) is long or inscribed circle or Circumscribed circle diameter ranging from 0.5-10cm；

Support post (3) cross section be square or cuboid, cross section side size range be 0.2-2cm, free height range For 0.24-20cm；

Chain fastener (8) bottom surface side size range is 2-20cm, altitude range 0.24-20cm；The edge supports item (4) For cuboid or square, length range 0.5-20cm, width range 0.2-2cm, altitude range 0.24-20cm.

8. a kind of coastal saline-alkali area desalting system, it is characterised in that：It drops and arranges including such as claim 1~7 any one of them Water is every drenching layer.

9. a kind of coastal saline-alkali area hidden pipe salt discharge alkali system, it is characterised in that：Including any one of such as claim 1~7 institute The Yield rainfall relation stated is every drenching layer, weeper drain and salt discharge inspection shaft；

The longitudinal section of the weeper drain is arch；And carry out rounded corner processing in its longitudinal section lower part bilateral footing；And collecting The both sides of water french drain (9) are equipped with gully-hole and cutting (6), and cutting (6) and the ontology connection mode every drenching layer are to be clamped, adjacent modeling The connection mode for expecting weeper drain (9) is spigot-and-socket, and the shape width range of longitudinal section is 5-30cm, altitude range 5- 30cm, wall thickness range 0.2-2cm；And the ratio of the height f of arcuate part and its bottom lengths L is 1:2.

10. the coastal saline-alkali area hidden pipe salt discharge alkali system according to claim 9, it is characterised in that：The salt discharge inspection The bottom for looking into well (10) is square or cuboid, and top is cylinder, connecting hole is equipped on its facade side wall, with catchmenting French drain (9) is connected with salt discharge collection pipe (11), and the salt discharge inspection shaft (10) is buried, and bottom is square or cuboid Width range for 50-250cm, top is cylinder diameter ranging from 40-100cm, whole height ranging from 50cm-500cm； Wall thickness range is 0.3-15cm；The weeper drain is made of HDPE or PVC or PP materials, salt discharge inspection shaft using HDPE or PVC or PP materials or armored concrete or glass-reinforced plastic material are made.