CN109281296B - Construction method of irrigation water delivery channel - Google Patents
Construction method of irrigation water delivery channel Download PDFInfo
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- CN109281296B CN109281296B CN201811228557.5A CN201811228557A CN109281296B CN 109281296 B CN109281296 B CN 109281296B CN 201811228557 A CN201811228557 A CN 201811228557A CN 109281296 B CN109281296 B CN 109281296B
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- 238000010276 construction Methods 0.000 title claims abstract description 72
- 239000003621 irrigation water Substances 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000004746 geotextile Substances 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000004567 concrete Substances 0.000 claims description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 230000000903 blocking effect Effects 0.000 claims description 16
- 239000004927 clay Substances 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 7
- 238000004873 anchoring Methods 0.000 claims description 6
- 239000010426 asphalt Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 238000009966 trimming Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 11
- 230000003014 reinforcing effect Effects 0.000 abstract description 7
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- 238000009434 installation Methods 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000011083 cement mortar Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000002262 irrigation Effects 0.000 description 4
- 238000003973 irrigation Methods 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000003796 beauty Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
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- 238000004519 manufacturing process Methods 0.000 description 2
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- 239000011241 protective layer Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
-
- 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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/02—Making or lining canals
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Revetment (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention discloses a construction method of an irrigation water delivery channel, which comprises the following steps: (a) construction preparation; (b) laying geotextile; (c) erecting a supporting frame body; (d) mounting a planting frame; (e) sealing edges; (f) pouring in sections; (g) reinforcing and protecting; (h) and pouring the bottom of the channel. The construction process is simple, reasonable and orderly, the construction efficiency is high, the construction difficulty is low, the segmented construction mode is adopted, the construction progress is convenient to control, the flexible adjustment can be realized in the construction process, the construction quality is easy to control, and the service life of the channel is favorably prolonged.
Description
Technical Field
The invention belongs to the technical field of hydraulic engineering, and particularly relates to a construction method of an irrigation water delivery channel.
Background
With the rapid development of agriculture, irrigation construction in agriculture becomes more and more important, and whether agricultural production is good or not is concerned, so that the state invests huge manpower, material resources and financial resources every year to carry out farmland hydraulic engineering construction. The irrigation ditch is an important one in farmland water conservancy construction, and the last kilometer of irrigation is realized. Traditional irrigation ditch is mostly through adopting on-the-spot concrete placement mode, can adapt to the ground and change, and level and smooth surface is favorable to irrigating, and the shortcoming is the difficult control construction quality, and structural stability is relatively poor, and crack or the phenomenon that drops easily appear for a long time, and life is short.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art, and provides a construction method for an irrigation water delivery channel, which has the advantages of simple, reasonable and orderly construction process, high construction efficiency and low construction difficulty, is convenient to control the construction progress by adopting a segmented construction mode, can be flexibly adjusted in the construction process, is easy to control the construction quality, and is beneficial to prolonging the service life of the channel.
In order to solve the technical problems, the invention adopts the following technical scheme:
a construction method of an irrigation water delivery channel is characterized by comprising the following steps:
(a) construction preparation: marking an opening line according to a construction drawing, excavating a channel base by adopting a mode of mainly mechanical excavation and assisting manual excavation, leveling a foundation surface by using sand or clay, compacting and leveling, manually repairing a slope according to a designed slope, and controlling the flatness of the slope within +/-2 cm;
(b) laying geotextile: laying anti-seepage geotextiles layer by layer from bottom to top, laying a clay layer with the thickness of 20-25 cm on the anti-seepage geotextiles after laying, and compacting and leveling;
(c) erecting a supporting frame body: the distance between adjacent supporting frame bodies is 3-5 cm;
① one side assembling, namely driving an upper supporting pile into the top of the canal to make the fixing anchor rod at the bottom of the upper supporting pile penetrate into the clay layer to complete the fixing, then clamping the convex strip at one end of the supporting side plate into the limiting groove of the upper supporting pile to make the supporting side plate stand on the canal slope, clamping the convex strip at the other end of the supporting side plate through the positioning groove of a lower supporting pile, and then fixing the lower supporting pile on the bottom of the canal;
② bottom side assembly, namely, respectively inserting the fixed clamping blocks at two ends of the middle threshold blocking plate into the fixed clamping grooves of the two side threshold blocking plates to assemble a complete threshold blocking plate, then transversely clamping the positioning strip at one side of the threshold blocking plate into the positioning groove of the lower support pile, and then fixing the lower support pile and one side of the threshold blocking plate;
③ assembling into a body, namely sleeving the other lower supporting pile on the positioning strip at the other side of the stopping sill on the bottom of the canal to finish primary positioning, marking the center line of the upper supporting pile on the top of the canal according to the installation position of the lower supporting pile, fixing the other upper supporting pile according to the center line, then sliding the lower supporting pile outwards to leave an installation space, assembling the other supporting side plate and the upper supporting pile, pushing the lower supporting pile inwards to sleeve one end of the supporting side plate, fixing the lower supporting pile and the other side of the stopping sill, and then fixing the lower supporting pile on the bottom of the canal;
(d) and (3) planting frame installation: in a slope area formed by enclosing the supporting frame bodies, fixing a mounting bottom plate of a first planting frame along a slope from one side, enabling a steel bar to penetrate through a first positioning hole in a supporting side plate and a positioning insertion hole in a supporting plate, meanwhile, enabling the steel bar to penetrate through a second positioning hole in the supporting side plate and a central through hole in a supporting rod, then mounting a next planting frame, enabling the steel bar to penetrate through a fixing through hole in the supporting rod of the adjacent planting frame, simultaneously enabling the steel bar to penetrate through the positioning insertion hole in the supporting plate of the adjacent planting frame, keeping the distance between the planting plates of the adjacent planting frames to be 3-5 cm, nailing and fixing the next planting frame, and repeating the steps;
(e) edge sealing: firstly, fixing a top side baffle on the top of the canal so as to enable the top side baffle to be positioned between two upper supporting piles, then fixing a top cover plate between the tops of the two upper supporting piles, enabling the top cover plate to press the top surface of the top side baffle, then inserting a bottom side baffle between bayonets of two lower supporting piles from top to bottom, and then fixing a bottom cover plate between the tops of the two lower supporting piles;
(f) pouring in sections: temporarily fixing guard plates between the upper supporting piles and the lower supporting piles of the adjacent supporting frame bodies, pouring concrete into the supporting frame bodies to fill the supporting frame bodies, cleaning the concrete which exceeds the surface of the planting plate and the concrete which flows into the planting grooves, pouring the concrete into the area enclosed by the two adjacent supporting frame bodies and the guard plates, evenly spreading the concrete to two ends, vibrating for 3-5 minutes, then smearing the top surface of the concrete to be flush with the supporting side plates, then performing watering maintenance, and planting emergent aquatic plants in the planting grooves after the maintenance is finished;
(g) reinforcement and protection: paving a cement mortar layer on the planting plate and the concrete surface, wherein the surface of the cement mortar layer is flush with the top cover plate and the bottom cover plate;
(h) pouring at the bottom of the canal: and (4) dismantling the guard plate, pouring concrete at the bottom of the channel, leveling the poured top surface with the bottom cover plate, and performing watering maintenance after pouring.
Further, a temporary drainage intercepting ditch is dug in an area with the radius of 1-5 m at the periphery of the outer side of the opening line, and external water on the channel slope is drained or pumped to the outer side of the channel, so that a large amount of water is prevented from flowing into a construction operation surface, and the dry ground operation of the whole construction operation surface is ensured.
Further, before concrete is poured at the bottom of the channel in the step (h), firstly, timber piles are arranged at the bottom of the channel, the interval between the timber piles is 1.5-2 m 0.8-1.2 m, cement is smeared at the peripheral gap of the bottom of the timber pile for sealing, the timber piles are arranged to enable the channel to be stable and resistant to water erosion, the service life of the channel is prolonged, the cement smearing sealing is adopted to avoid downward water seepage at the piling position, and the water loss is reduced.
Further, the supporting frame body in the step (c) comprises a supporting side plate, an upper supporting pile, a lower supporting pile, a blocking sill, a bottom cover plate, a bottom side baffle plate, a top cover plate and a top side baffle plate, wherein the bottom cover plate, the bottom side baffle plate and the blocking sill are respectively arranged between the lower supporting piles, the bottom side baffle plate is positioned between the bottom cover plate and the blocking sill, the bottom cover plate and the bottom side baffle plate are mutually vertical, one side of the lower supporting pile is provided with a bayonet, the bottom side baffle plate is arranged between the bayonets, the top cover plate and the top side baffle plate are respectively arranged between the upper supporting piles, the top cover plate is mutually vertical to the top side baffle plate, the supporting side plate is arranged between the upper supporting piles and the lower supporting piles, one side of the lower supporting piles is provided with a mounting plate, the mounting plate is provided with anchoring holes, the bottom of the upper supporting piles is provided with fixing anchor, high strength, convenient construction, strong shock resistance and long service life.
Further, the both ends of supporting the curb plate all are equipped with the sand grip, one side of going up the support pile is equipped with spacing recess, one side of lower support pile is equipped with positioning groove, spacing recess all with the sand grip phase-match, the sand grip that will support the curb plate both ends is gone into respectively in the spacing recess of going up the support pile and the positioning groove of lower support pile, it is spacing fixed between last support pile and lower support pile to make the support curb plate, the equipment is simple, the site operation of being convenient for, construction strength is reduced, manufacturing process is simple, and convenient for processing, therefore, the clothes hanger is strong in practicability.
Further, the stop threshold includes middle stop threshold board and side stop threshold board, and middle stop threshold board is located between the side stop threshold board, and the both sides of middle stop threshold board all are equipped with fixed fixture block, and one side of side stop threshold board is equipped with fixed slot, fixed slot and fixed fixture block phase-match, and the stop threshold equipment is simple, and it is small to occupy after the dismantlement, and the transportation of being convenient for is gone into the fixed fixture block of middle stop threshold board both sides respectively in the card goes into the fixed slot to two side stop threshold boards, makes the spacing fixing of middle stop threshold board between two side stop threshold boards, forms one complete stop threshold, and the construction is simple and quick again.
Further, the opposite side of side fender threshold board is equipped with the location strip, one side of lower support stake is equipped with location fluting and fixed plate respectively, location fluting and location strip phase-match, be equipped with the bar groove on the fixed plate, be equipped with the thread groove on the side fender threshold board, be equipped with the binding nail between thread groove and the bar groove, go into the location fluting of lower support stake with the location strip card of side fender threshold board in, realize the installation location of side fender threshold board on the lower support stake, be convenient for improve the installation rate, pass bar groove and thread groove with the binding nail again, it is fixed to screw up, it is fixed with being connected of side fender threshold board to realize the lower support stake, bar groove adjustment range is big, it is fixed to the hole.
Further, plant the frame in step (d) and include mounting plate, the bracing piece, layer board and planting board, bracing piece swing joint is between mounting plate and layer board, planting board locates on the layer board, be equipped with planting groove on the planting board, be equipped with central through-hole and fixed through-hole on the bracing piece respectively, be equipped with the location jack on the layer board, plant the inslot and be convenient for plant the plant, the area of afforestation improves, when adjacent planting frame is installed in the bank, pass the fixed through-hole on the bracing piece of adjacent planting frame with iron set or reinforcing bar, pass the location jack on the layer board of adjacent planting frame with iron set or reinforcing bar simultaneously, make the planting board inclination of adjacent planting frame unanimous, form one level and smooth view face, the view effect is improved.
And (c) further, overlapping the adjacent anti-seepage geotextiles in the step (b) by 20-30 cm in width, coating emulsified asphalt for bonding, connecting the anti-seepage geotextiles with the peripheral structure, anchoring by adopting expansion bolts and steel plate battens, and coating the emulsified asphalt at the joint for bonding so as to prevent the joint from leaking and improve the anti-seepage effect.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the construction process is simple, reasonable and orderly, the construction efficiency is high, the construction difficulty is low, the construction progress is convenient to control by adopting a segmented construction mode, the construction process can be flexibly adjusted, the construction quality is easy to control, the service life of the channel is favorably prolonged, the additionally arranged supporting frame body is used as an attaching carrier of concrete, an independent reinforcing section is formed, and the integral structural strength of the channel is improved. The braced frame body equipment is simple, and the quick construction structure of being convenient for is firm, and each part pin down each other, is difficult to the separation, forms a firm whole, and intensity is high, and shock resistance is strong, long service life, four sides enclose to close, form behind the concreting and strengthen the section, have effectively improved the structural strength and the antiscour ability of canal slope, and are sturdy and durable, long service life. The planting frame is arranged on the supporting frame body and connected through the steel bars, so that the stability of the planting frame after installation is improved; when the adjacent planting frames are installed in rows, the planting plates of the adjacent planting frames are connected in an inserting mode through the reinforcing steel bars, so that the inclination angles of the planting plates of the adjacent planting frames are consistent, emergent aquatic plants are planted in the planting grooves, a flat landscape surface is formed, and the landscape effect is improved; after the supporting frame body is filled with concrete, the reinforced concrete is formed by matching with the steel bars, so that the overall structural strength of the supporting frame body is improved, and the planting frame is fixed, so that the stability of the planting frame is improved; emergent aquatic plants provide a growing environment for microorganisms to form a micro-ecological system, pollutants in the water body can be purified through the actions of interception, absorption, degradation and the like, the water quality of the water body conveyed in a channel is improved, and the visual beauty is increased. In the construction process, the outer frame of the supporting frame body is firstly erected, the planting frame is installed, and the edge sealing is finally carried out.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of a support frame according to the present invention;
FIG. 2 is a schematic structural view of the connection of an upper support pile and a lower support pile according to the present invention;
FIG. 3 is a schematic view of the assembled planting frame of the present invention;
FIG. 4 is a schematic view showing a structure in which a lower support pile and a side sill plate are connected according to the present invention;
FIG. 5 is a schematic view of the connection of the center sill and the side sill of the present invention;
FIG. 6 is a schematic view of the structure of the supporting side plate of the present invention;
fig. 7 is a schematic structural diagram of the channel after casting.
In the figure: 1-a support frame body; 2-supporting the side plate; 3-supporting the pile; 4-lower support piles; 5-a threshold; 6-bottom cover plate; 7-bottom side baffle; 8-top cover plate; 9-top side baffle; 10-bayonet; 11-convex strips; 12-a limit groove; 13-positioning the groove; 14-a mounting plate; 15-anchoring holes; 16-fixing the anchor rod; 17-positioning the anchor rod; 18-a first locating hole; 19-a second positioning hole; 20-intermediate sill plate; 21-side sill plate; 22-fixing the fixture block; 23-fixing the clamping groove; 24-a positioning bar; 25-positioning and slotting; 26-fixing plate; 27-a strip groove; 28-thread groove; 29-fastening nails; 30-planting frames; 31-mounting a bottom plate; 32-a support bar; 33-a supporting plate; 34-planting plates; 35-planting grooves; 36-a central through hole; 37-fixing the through hole; 38-positioning receptacle; 39-cement mortar layer; 40-reinforcing steel bars; 41-spacer.
Detailed Description
As shown in fig. 1 to 7, the construction method of an irrigation water delivery channel of the present invention comprises the following steps:
(a) construction preparation: an opening line is marked according to construction drawings, a trench base is excavated by adopting a mode of mainly mechanical excavation and assisting manual excavation, and drainage can be more convenient by adopting an excavation sequence from top to bottom. Digging a temporary drainage intercepting ditch in an area with the radius of 1-5 m at the outer side of the opening line, and draining or pumping the water outside the ditch slope to the outer side of the ditch, so as to avoid a large amount of water from flowing into the construction operation surface and ensure the dry-land operation of the whole construction operation surface. And (3) leveling the foundation surface by using sand or clay, compacting and leveling, manually repairing the slope according to the designed slope, and controlling the slope cutting flatness within +/-2 cm so as to reduce the bending of the ditch caused by insufficient slope flatness.
(b) Laying geotextile: the anti-seepage geotextile is laid layer by layer from bottom to top, excessive tightness is avoided during laying, and the part of the two ends of the anti-seepage geotextile, which is embedded into the soil body, is corrugated so as to adapt to the stretching change of the anti-seepage geotextile. The overlapping width of adjacent anti-seepage geotextiles is 20-30 cm, and the adjacent anti-seepage geotextiles are coated with emulsified asphalt for bonding so as to prevent the joints from leaking and improve the anti-seepage effect. The anti-seepage geotextile is connected with the peripheral structure and anchored by adopting the expansion bolts and the steel plate pressing strips, so that the operation is simple, the compaction is stable, the anti-seepage geotextile is prevented from locally lifting, and the additional construction operation is increased. The joint is coated with emulsified asphalt for bonding, so that the joint is prevented from leaking, and the anti-seepage effect is improved. And after the paving, paving a clay layer with the thickness of 20-25 cm on the anti-seepage geotextile as a protective layer, and compacting and leveling.
(c) Erecting a supporting frame body: the distance between adjacent supporting frame bodies is 3-5 cm.
The supporting frame body 1 comprises supporting side plates 2, upper supporting piles 3, lower supporting piles 4, a blocking sill 5, a bottom cover plate 6, bottom side baffle plates 7, a top cover plate 8 and a top side baffle plate 9, wherein the bottom cover plate 6, the bottom side baffle plates 7 and the blocking sill 5 are respectively arranged between the lower supporting piles 4, the bottom side baffle plates 7 are positioned between the bottom cover plate 6 and the blocking sill 5, the bottom cover plate 6 and the bottom side baffle plates 7 are mutually vertical, one side of each lower supporting pile 4 is provided with a bayonet 10, the bottom side baffle plates 7 are arranged between the bayonet 10, the top cover plate 8 and the top side baffle plates 9 are respectively arranged between the upper supporting piles 3, the top cover plate 8 and the top side baffle plates 9 are mutually vertical, the supporting side plates 2 are arranged between the upper supporting piles 3 and the lower supporting piles 4, both ends of the supporting side plates 2 are provided with convex strips 11, one side of each upper supporting pile 3 is provided with a limiting groove 12, one, the sand grips 11 at the two ends of the supporting side plate 2 are respectively clamped into the limiting groove 12 of the upper supporting pile 3 and the positioning groove 13 of the lower supporting pile 4, so that the supporting side plate 2 is limited and fixed between the upper supporting pile 3 and the lower supporting pile 4, the assembling is simple, the site construction operation is convenient, the construction intensity is reduced, the manufacturing process is simple, the processing is convenient, and the practicability is high. One side of the lower support pile 4 is provided with a mounting plate 14, and the mounting plate 14 is provided with an anchoring hole 15, so that the lower support pile 4 can be nailed and fixed conveniently. The bottom of the upper supporting pile 3 is provided with a fixing anchor rod 16, and the fixing anchor rod 16 is arranged below the ground to realize the fixation of the upper supporting pile 3. And a positioning anchor rod 17 is arranged at the bottom of the top side baffle plate 9, and the positioning anchor rod 17 is arranged below the ground to realize the fixation of the top side baffle plate 9. The supporting side plates 2 are respectively provided with a first positioning hole 18 and a second positioning hole 19, so that the steel bars 40 can be conveniently transversely inserted, and the integral structural strength is improved after concrete is poured. Support curb plate 2 and receive support pile 3 and lower support pile 4 in spacing, top side baffle 9 is spacing to be installed between support pile 3, and compress tightly by lamina tecti 8, keep off threshold 5, bottom side baffle 7 is spacing to be installed between lower support pile 4, lamina tecti 6 presses bottom side baffle 7 on keeping off threshold 5, each part is drawn back each other, be difficult to the separation, form a firm whole, high strength, strong impact resistance, long service life, the four sides are enclosed and are closed, form the reinforced section behind the concreting, effectively improved the structural strength and the antiscour ability of canal slope, and is firm and durable, long service life.
Keep off threshold 5 including middle fender threshold 20 and side fender threshold 21, middle fender threshold 20 is located between the side fender threshold 21, middle fender threshold 20's both sides all are equipped with fixed fixture block 22, one side of side fender threshold 21 is equipped with fixed slot 23, fixed slot 23 and fixed fixture block 22 phase-match, it is simple to keep off threshold 5 equipment, it is small to occupy after the dismantlement, be convenient for transport, go into respectively in fixed fixture block 22 of middle fender threshold 20 both sides card to the fixed slot 23 of two side fender thresholds 21, it fixes between two side fender thresholds 21 to make middle fender threshold 20 spacing, form one complete fender threshold 5, the construction is simple and quick. The opposite side of side fender threshold board 21 is equipped with location strip 24, and one side of lower support stake 4 is equipped with location fluting 25 and fixed plate 26 respectively, and location fluting 25 and location strip 24 phase-match are equipped with bar groove 27 on the fixed plate 26, and bar groove 27 adjustment range is big, is convenient for fixed to the hole. The side blocking sill plate 21 is provided with a thread groove 28, a fastening nail 29 is arranged between the thread groove 28 and the strip-shaped groove 27, a positioning strip 24 of the side blocking sill plate 21 is clamped into a positioning groove 25 of the lower supporting pile 4, the side blocking sill plate 21 is installed and positioned on the lower supporting pile 4, installation speed is improved conveniently, the fastening nail 29 penetrates through the strip-shaped groove 27 and the thread groove 28 and is screwed and fixed, the lower supporting pile 4 and the side blocking sill plate 21 are connected and fixed, a gasket 41 can be additionally arranged to increase contact area, and the fastening nail 29 is fastened more.
① one side assembling, namely firstly driving an upper supporting pile 3 at the top of the canal to enable a fixing anchor rod 16 at the bottom of the upper supporting pile 3 to penetrate into a clay layer to finish fixing, then clamping a convex strip 11 at one end of a supporting side plate 2 into a limiting groove 12 of the upper supporting pile 3 to enable the supporting side plate 2 to lean against the canal slope, then clamping the convex strip 11 at the other end of the supporting side plate 2 through a positioning groove 13 of a lower supporting pile 4, then fixing the lower supporting pile 4 at the bottom of the canal, after the upper supporting pile 3 and the lower supporting pile 4 are fixed, the supporting side plate 2 can not move, the installation is stable, one side is assembled in place to serve as a positioning foundation for subsequent installation, the construction progress is accelerated, the construction difficulty is reduced, and the construction quality is easy to control.
②, assembling the bottom side, namely, respectively inserting the fixed clamping blocks 22 at the two ends of the middle threshold plate 20 into the fixed clamping grooves 23 of the two side threshold plates 21 to assemble a complete threshold 5, then transversely clamping the positioning strip 24 at one side of the threshold 5 into the positioning slot 25 of the lower support pile 4, then penetrating the fastening nail 29 through the strip-shaped groove 27 on the fixed plate 26 at one side of the lower support pile 4 and the thread groove 28 on the side threshold plate 21, and screwing and fixing to complete the connection and fixation of the lower support pile 4 and the side threshold plates 21.
③ the assembly is that another lower supporting pile 4 is sleeved on the positioning strip 24 on the other side of the stopping sill 5 to complete the preliminary positioning, the center line of the upper supporting pile 3 is marked on the top of the canal according to the installation position of the lower supporting pile 4, another upper supporting pile 3 is fixed according to the center line, then the lower supporting pile 4 is slid outwards to leave the installation space, another supporting side plate 2 and the upper supporting pile 3 are assembled, the lower supporting pile 4 is pushed back inwards to be sleeved on one end of the supporting side plate 2, then the lower supporting pile 4 is fixed on the other side of the stopping sill 5, then the lower supporting pile 4 is fixed on the bottom of the canal, after the lower supporting piles 4 on the other side are fixed, the stopping sill 5 is clamped and limited by the lower supporting piles 4 on both sides, the stopping sill 5 can not move, the stability after the installation is improved, the construction is simple, the construction steps are reasonable and orderly, the positioning construction is realized, the construction difficulty is reduced, the construction efficiency is improved, the flexible adjustment in the construction process is easy to control the construction quality.
(d) And (3) planting frame installation: plant frame 30 including mounting plate 31, bracing piece 32, layer board 33 and planting board 34, bracing piece 32 swing joint is between mounting plate 31 and layer board 33, planting board 34 is located on layer board 33, be equipped with planting groove 35 on planting board 34, be equipped with central through-hole 36 and fixed through-hole 37 on the bracing piece 32 respectively, be equipped with location jack 38 on the layer board 33, plant the plant of being convenient for in the groove 35, the area of afforestation is improved, when adjacent planting frame 30 is installed in a row, pass iron set or reinforcing bar 40 through the fixed through-hole 37 on the bracing piece 32 of adjacent planting frame 30, pass iron set or reinforcing bar 40 the location jack 38 on the layer board 33 of adjacent planting frame 30 simultaneously, make the planting board 34 inclination of adjacent planting frame 30 unanimous, form one level and smooth view face, the view effect has been improved.
In a slope area enclosed by the supporting frame body 1, fixing the mounting bottom plate 31 of a first planting frame 30 along a slope from one side, enabling a steel bar 40 to pass through a first positioning hole on the supporting side plate 2 and a positioning insertion hole 38 on the supporting plate 33, enabling the steel bar 40 to pass through a second positioning hole 19 on the supporting side plate 2 and a central through hole 36 on the supporting rod 32, enabling the planting frame 30 to be connected with the supporting frame body 1 through inserting the steel bar 40, improving the stability of the planting frame 30 after mounting, then mounting the next planting frame 30, enabling the steel bar 40 to pass through a fixing through hole 37 on the supporting rod 32 of the adjacent planting frame 30, enabling the steel bar 40 to pass through the positioning insertion hole 38 on the supporting plate 33 of the adjacent planting frame 30, connecting the adjacent planting frames 30 into a whole through inserting the steel bar 40, improving the stability of the whole body after the planting frames 30 are mounted in rows, and keeping the same inclination state of the planting plates 34, is convenient for plant and improves the integral landscape. Keeping the distance between the planting plates 34 of the adjacent planting frames 30 to be 3-5 cm, nailing and fixing the next planting frame 30, and repeating the steps.
(e) Edge sealing: fix top baffle 9 on the canal top earlier, make it be located between two upper support piles 3, then fix lamina tecti 8 between the top of two upper support piles 3, make lamina tecti 8 push down the top surface of top baffle 9, improve the stability after top baffle 9 is installed, insert bottom baffle 7 from last down between the bayonet socket 10 of two lower support piles 4, again fixed end cover 6 between the top of two lower support piles 4, press bottom baffle 7 on the fender threshold 5 through end cover 6, bottom baffle 7 is spacing again installed between bayonet socket 10, the fastness after bottom baffle 7 is installed has been improved.
(f) Pouring in sections: the backplate is all fixed temporarily between the last supporting pile 3 of adjacent braced frame 1, lower support 4, then pour the concrete into braced frame 1, make the braced frame 1 be full of the concrete, the clearance surpasss the concrete on planting 34 surfaces and flows into the concrete of planting in the groove 35, pour the concrete into the region that two adjacent braced frame 1 and backplate enclose, evenly to the both ends fair share, and use the vibration of formula vibrator directly cut into, vibrate 3 ~ 5 minutes, the bubble in the discharge concrete, make the concrete combine closely. Then the top surface of the concrete is smeared to be flush with the supporting side plate 2, watering maintenance is carried out, emergent aquatic plants are planted in the planting groove 35 after maintenance is finished, a growth environment is provided for microorganisms, a micro-ecological system is formed, pollutants in the water body can be purified through the actions of interception, absorption, degradation and the like, the water quality of the water body conveyed in the channel is improved, and the beauty of vision is improved.
(g) Reinforcement and protection: lay cement mortar layer 39 on planting board 34 and concrete face, cement mortar layer 39 surface flushes with lamina tecti 8, end apron 6, and cement mortar layer 39 prevents to lead to the concrete fracture because of the difference in temperature grow as the protective layer, prolongs the life of channel.
(h) Pouring at the bottom of the canal: demolish the backplate, pile at the bottom of the canal earlier and establish the stake, the interval between the stake is 1.5 ~ 2m 0.8 ~ 1.2m to it is sealed to smear cement in stake bottom peripheral gap department, sets up the stake and makes the channel stabilize anti water erosion and water erosion, prolongs the life of channel, and the sealed department that avoids the pile of plastering cement seeps water downwards, reduces the water loss. And then, pouring concrete at the bottom of the channel, wherein the pouring top surface is flush with the bottom cover plate 6, and performing watering maintenance after pouring.
The construction process is simple, reasonable and orderly, the construction efficiency is high, the construction difficulty is low, the construction progress is convenient to control by adopting a segmented construction mode, the construction process can be flexibly adjusted, the construction quality is easy to control, the service life of the channel is favorably prolonged, the additionally arranged supporting frame body 1 is used as an attachment carrier of concrete, an independent reinforcing section is formed, and the integral structural strength of the channel is improved. Supporting frame body 1 equipment is simple, and the structure is firm, and each part pin-down each other, is difficult to the separation, forms a firm whole, and intensity is high, and shock resistance is strong, long service life, four sides enclose to close, form the reinforced section behind the concreting, have effectively improved the structural strength and the antiscour ability of canal slope, and is sturdy and durable, long service life. The planting frame 30 is arranged on the supporting frame body 1 and is connected through the steel bars 40, so that the stability of the planting frame 30 after installation is improved; when the adjacent planting frames 30 are installed in rows, the steel bars 40 are inserted and connected, so that the inclination angles of the planting plates 34 of the adjacent planting frames 30 are consistent, emergent aquatic plants are planted in the planting grooves 35, a flat landscape surface is formed, and the landscape effect is improved; after the supporting frame body 1 is filled with concrete, the reinforced concrete is formed by matching with the reinforcing steel bars 40, so that the overall structural strength of the supporting frame body 1 is improved, and the planting frame 30 is fixed, so that the stability of the planting frame 30 is improved; emergent aquatic plants provide a growing environment for microorganisms to form a micro-ecological system, pollutants in the water body can be purified through the actions of interception, absorption, degradation and the like, the water quality of the water body conveyed in a channel is improved, and the visual beauty is increased. In the construction process, the outer frame of the supporting frame body 1 is firstly erected, the planting frame 30 is installed, and the edge sealing is finally carried out, so that the operation space is reasonably and orderly, the construction difficulty is reduced, and the construction efficiency is effectively improved.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (9)
1. A construction method of irrigation water delivery channel includes such steps as digging out the open line according to construction drawing, digging out the channel foundation by mechanical digging and manual digging, leveling with sand or clay, compacting, trimming slope according to designed slope, controlling slope flatness to +/-2 cm, (b) laying geotextile, laying a layer of 20-25 cm thick geotextile, compacting, setting the geotextile, setting the top of a supporting frame, fixing a retaining plate, inserting the supporting frame, a retaining plate, a retaining hole, a retaining wall, a retaining plate, a retaining wall, a retaining plate, a retaining wall, a retaining plate, a retaining wall, a retaining plate, a retaining wall, a retaining wall, a retaining wall, a retaining wall, a retaining wall, a retaining wall, a retaining wall, a retaining wall, and a retaining wall, a retaining wall, and a retaining wall, a retaining wall, and a retaining wall, a retaining wall, and a retaining wall, a.
2. The method of claim 1, wherein the method comprises the steps of: and (a) digging a temporary drainage cut-off ditch in an area of 1-5 m outside the opening line.
3. The method of claim 1, wherein the method comprises the steps of: before concrete is poured at the bottom of the canal in the step (h), firstly, timber piles are arranged at the bottom of the canal, the interval between the timber piles is 1.5-2 m/0.8-1.2 m, and cement is smeared at the peripheral gap of the bottom of the timber pile for sealing.
4. The method of claim 1, wherein the method comprises the steps of: in the step (c), the supporting frame body further comprises a bottom cover plate, a bottom side baffle, a top cover plate and a top side baffle, the bottom cover plate is perpendicular to the bottom side baffle, the top cover plate is perpendicular to the top side baffle, a mounting plate is arranged on one side of the lower supporting pile, anchoring holes are formed in the mounting plate, and a positioning anchor rod is arranged at the bottom of the top side baffle.
5. The method of claim 4, wherein the method comprises the steps of: the positioning groove and the limiting groove are matched with the convex strip.
6. The method of claim 4, wherein the method comprises the steps of: the fixed clamping groove is matched with the fixed clamping block.
7. The method of claim 6, wherein the method comprises the steps of: one side of the lower supporting pile is provided with a positioning groove and a fixing plate respectively, the positioning groove is matched with the positioning strip, the fixing plate is provided with a strip-shaped groove, the side blocking sill plate is provided with a thread groove, and a fastening nail is arranged between the thread groove and the strip-shaped groove.
8. The method of claim 1, wherein the method comprises the steps of: the planting frame in the step (d) comprises a mounting base plate, a supporting rod, a supporting plate and a planting plate, wherein the supporting rod is movably connected between the mounting base plate and the supporting plate, the planting plate is arranged on the supporting plate, and a planting groove is formed in the planting plate.
9. The method of claim 1, wherein the method comprises the steps of: and (b) overlapping the adjacent anti-seepage geotextiles in the step (b) by 20-30 cm in width, coating emulsified asphalt for bonding, connecting the anti-seepage geotextiles with the peripheral structure, anchoring by adopting expansion bolts and steel plate pressing strips, and coating the emulsified asphalt at the joint for bonding.
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CN106544987B (en) * | 2016-11-01 | 2018-10-26 | 浙江景昌建设有限公司 | A kind of anti-seepage of channels construction method storing flooded wetland |
CN108396707A (en) * | 2018-01-23 | 2018-08-14 | 浙江建设职业技术学院 | A kind of novel ecological channel revetment structure and its construction method |
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