CN106544987A - A kind of anti-seepage of channels construction method for storing flooded wetland - Google Patents
A kind of anti-seepage of channels construction method for storing flooded wetland Download PDFInfo
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- CN106544987A CN106544987A CN201610941991.2A CN201610941991A CN106544987A CN 106544987 A CN106544987 A CN 106544987A CN 201610941991 A CN201610941991 A CN 201610941991A CN 106544987 A CN106544987 A CN 106544987A
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- seepage
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- 238000010276 construction Methods 0.000 title claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 14
- 239000002689 soil Substances 0.000 claims description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 239000004575 stone Substances 0.000 claims description 26
- 239000004567 concrete Substances 0.000 claims description 22
- 239000011449 brick Substances 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 239000004570 mortar (masonry) Substances 0.000 claims description 13
- 238000013461 design Methods 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 7
- 238000005056 compaction Methods 0.000 claims description 5
- 241000196324 Embryophyta Species 0.000 claims description 3
- 238000007605 air drying Methods 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000003823 mortar mixing Methods 0.000 claims description 3
- 239000013558 reference substance Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 abstract description 4
- 238000003860 storage Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000003079 width control Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Revetment (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of anti-seepage of channels construction method for storing flooded wetland, comprises the steps：(a) basement process；B () lowest tier of channels sand-gravel cushion is constructed；C the first building block of () lowest tier of channels is constructed；D the first building block of () channel side slopes is constructed；E the second building block of () channel side slopes is constructed；The process of (f) first building block construction area；G () is rinsed to the first building block construction area and the second building block construction area.The present invention adopts the first building block and the second building block to be constructed as anti-seepage of channels layer, anti-seepage of channels single structure is changed into into composite construction, anti-seepage of channels layer construction globality and planarization are good, channel be less prone to ooze, drainage, channel hydraulic pipeline ability is improved, water conveyance loss is reduced.
Description
Technical field
The invention belongs to store flooded wetland construction technique field, and in particular to a kind of anti-seepage of channels construction party of storage flood wetland
Method.
Background technology
At present, for the improvement of " black smelly " water body, many storage flood wetland variation technologies have been occurred in that, artificial storage flood is wet
Ground is the combination process that a kind of natural purification is combined with artificial-strengthening, can take suitable scale according to the size of sewage quantity
Adapt to therewith, improve the water quality of water body using the purification for storing flooded wetland, and then eliminate black smelly.It is artificial to store flooded wetland and tradition
Secondary biochemical treatment compare, with building and operating cost is low, it is good to safeguard simple, effluent quality and to load variations adaptation energy
The advantages of power is strong, it is not very high, the less cities and towns of scale or rural sewage disposal to be relatively more suitable for technology management level.Promoting
On the premise of entering the benign cycle of Pollutants in Wastewater matter, the productive potentialities of resource can be given full play to, the recontamination of environment is prevented, from
And acquisition sewage disposal and the optimum efficiency of resource, obtain more and more extensive research and apply.
In flooded wetland process of construction is stored, needs carry out storing the Canal Seepage Control Project construction of flooded wetland.After the anti-seepage of channels, one
Aspect improves the utilization rate of water, alleviates peripheral facility water, the contradiction of agricultural water supply and demand, and the water of saving can expand irrigation face
Product, promotes to store the construction and the development of agricultural production of flooded wetland；On the other hand can improve and store flooded wetland with lowering of watertable
Water quality, is conducive to the construction of ecological environment.Therefore, develop and promote the Anti-seepage Engineering Techniques for Irrigation Canals for storing flooded wetland, to alleviating me
State's the contradiction of supply and demand for the water resource and national sustained economic development have great importance.The channel for storing flooded wetland of the prior art is prevented
Ooze in engineering construction, the materials such as earth material, soil cement, building stones, concrete, bituminous concrete and antiseepage film are commonly used as the anti-seepage of channels
Layer, reaching prevents the purpose of canal seepage.At present in the anti-seepage of channels work that building stones are stored flooded wetland as the construction of anti-seepage of channels layer
Cheng Shi, the impervious material of employing are single, and the anti-seepage of channels structure of the flooded wetland of the storage built is single, and channel easily occurs oozing, leaks
Water phenomenon, causes channel hydraulic pipeline ability to reduce, and water conveyance loss is larger.
The content of the invention
Present invention aim at solving above-mentioned technical problem present in prior art, there is provided a kind of channel of storage flood wetland
Seepage method, is constructed as anti-seepage of channels layer using the first building block and the second building block, in the first building block of lowest tier of channels
Levelling block is pressed in construction, levelling block can play reference role, the position of the first concrete block masonry can be controlled again, improve canal
The first building block of lowest tier of channels is kept globality and planarization by the efficiency of construction of the first building block of road bottom, prevents lowest tier of channels the
There is gap and the phenomenon of leak occur between one building block；In the first building block of channel side slopes construction, using fixed mount, U-shaped frame
The mode interfixed with building block installing rack, improves the stability that the first building block is arranged at channel side slopes, is less prone to due to canal
Excessively cause the first building block at channel side slopes staggered floor phenomenon occur between road side slope and lowest tier of channels, improve at channel side slopes the
One building block keeps globality and planarization；In the second building block of channel side slopes construction, by the first building block and canal at channel side slopes
Interaction between road side slope, up carries out the second concrete block masonry, horizontal phase under at the soil filled and led up along channel side slopes
Adjacent two piece of second building block is inlayed, and improves the second building block at channel side slopes and keeps globality and planarization.By anti-seepage of channels list
One structural transformation is composite construction, and anti-seepage of channels layer construction globality and planarization are good, channel be less prone to ooze, leak it is existing
As improving channel hydraulic pipeline ability, reducing water conveyance loss.
In order to solve above-mentioned technical problem, the present invention is adopted the following technical scheme that：
A kind of anti-seepage of channels construction method for storing flooded wetland, it is characterised in that comprise the steps：
(a) basement process；
B () lowest tier of channels sand-gravel cushion is constructed；
C the first building block of () lowest tier of channels is constructed：First lowest tier of channels along channel the equidistant subsection setup of width
Control line, control line are fixed on timber by iron wire, and timber is arranged at lowest tier of channels, are drawn further along the length direction of channel
Go out a horizontal line, then using horizontal line as reference substance, adjust the rational height of timber, the control line of the different sections of adjustment one by one
In same level, levelling block is pressed in lowest tier of channels further according to control line, and by the end face of levelling block and is controlled
Line is flushed, then carries out mortar mixing, then by the first concrete block masonry to lowest tier of channels, and the first building block is pasted with levelling block
Tightly, the end face of the first building block is kept flushing with the end face of levelling block when building by laying bricks or stones by sand-lime slurry THICKNESS CONTROL in 20～30mm；
D the first building block of () channel side slopes is constructed：Along the channel side slopes mounting and fixing support after process, then insert in fixed mount
Enter U-shaped frame, during lower slotting U-shaped frame, the set location of step in the first building block construction area reserved according to design drawing,
Then U-shaped frame and fixed mount are bundled with iron wire, then oblique two U-shaped framves up and down is bundled with iron wire, then
According to the set location of U-shaped frame, building block installing rack is fixed in the installing hole of U-shaped frame by fixing bolt, building block installing rack peace
After the completion of dress, left and right two neighboring building block installing rack is fixed using metallic plate, is then arranged in reserved stepped locations
Place's support template, then casting concrete in a template, make step, then conserve 10-15 days, then the first building block is slided into block
In block installing rack, soil is then backfilled between the first building block and channel side slopes, and leveling compacting is carried out to soil；
E the second building block of () channel side slopes is constructed：Second building block is carried out at the soil filled and led up along channel side slopes under up
Build by laying bricks or stones, laterally adjacent two piece of second building block is inlayed, during the second building block is built by laying bricks or stones, according to design drawing reserved second
The set location of step in building block construction area, after building by laying bricks or stones and completing the second building block, the supporting at the reserved stepped locations setting
Template, then the groove of the second building block is filled up with concrete, then casting concrete in a template, makes step, then conserves 10-
15 days, then stone is pressed at the second building block of top；
The process of (f) first building block construction area：The first building block to lowest tier of channels is processed, at laterally adjacent two piece
Mortar is inserted at gap between one building block, and mortar and the first building block are kept flushing, then the first building block to channel side slopes
Processed, mortar is inserted at the gap between oblique neighbouring two piece of first building block, and mortar and the first building block are protected
Hold and flush, then smear close between the first building block of the outermost end of undermost first building block and lowest tier of channels of channel side slopes
Strip of paper used for sealing；
G () is rinsed to the first building block construction area and the second building block construction area.
Further, step (a) is specially carries out setting-out according to design drawing to channel, releases channel footing line and Qu Kou
Line, then carry out machinery and manually cooperate and excavated, before earth excavation, ground carries out natural air drying, then using from upper
And lower leaf is excavated along the method on slope, the weeds, mud, tree root, organic fertile soil to channel side remove, and are excavating pine
Dynamic place carries out backfilling of earthwork, then carries out compaction treatment with manually be combineding with each other using machinery, per layer of paving during mechanical ramming
Soil thickness is not more than 20cm, and per layer of paving soil thickness during hand compaction is not more than 20cm, then drains alluvial water, and drops
Low its water content, until ground basal plane meets design requirement.
Further, step (b) is specially arrived building stones transport at channel, with loader equably by stone using dump truck
Material paves at lowest tier of channels, forms sand-gravel cushion, then is sprinkled water in sand-gravel cushion, then with manually being flattened,
Then sand-gravel cushion is rolled with road roller.
Further, in step (d), what fixed mount was installed concretely comprises the following steps the arranged parallel cross bar at the side slope of channel, will
During the 1/3 of cross bar places into the soil, then equidistant on cross bar it is welded and fixed bar.
Further, in step (e), after the completion of the second concrete block masonry, reinforcing bar is passed through in the through hole in the second building block, and is poured
Build concrete.
The present invention is had the advantages that as a result of above-mentioned technical proposal：
1st, the present invention adopts the first building block and the second building block to be constructed as anti-seepage of channels layer, builds in lowest tier of channels first
In block construction, control line is adjusted by the horizontal line segment that the length direction along channel is pulled out, further in accordance with control line as reference
Thing, is pressed into levelling block in lowest tier of channels, and levelling block can play reference role, can control the position of the first concrete block masonry again
Put, improve the efficiency of construction of the first building block of lowest tier of channels, the first building block of lowest tier of channels is kept into globality and planarization, canal is prevented
There is gap and the phenomenon of leak occur between the first building block of road bottom.In the first building block of channel side slopes construction, using fixation
The mode that frame, U-shaped frame and building block installing rack interfix, U-shaped frame are inserted in fixed mount, with iron wire by U-shaped frame and fixed mount
Bundled, then oblique two U-shaped framves up and down are bundled with iron wire, building block installing rack is fixed to U by fixing bolt
In the installing hole of type frame, after building block installing rack installation, left and right two neighboring building block installing rack is carried out using metallic plate solid
It is fixed, so that the first building block setting structure stably firmly, improves the stability that the first building block is arranged at channel side slopes, is difficult out
Now due to excessively causing the first building block at channel side slopes staggered floor phenomenon occur between channel side slopes and lowest tier of channels, channel is improved
First building block at side slope keeps globality and planarization.In the second building block of channel side slopes construction, by channel side slopes first
Interaction between building block and channel side slopes, up carries out the second building block block under at the soil filled and led up along channel side slopes
Build, laterally adjacent two piece of second building block is inlayed, improve the second building block at channel side slopes and keep globality and planarization.It is comprehensive
Anti-seepage of channels single structure is changed into composite construction, anti-seepage of channels layer construction globality peace by above-mentioned working measure, the present invention
Whole property is good, channel be less prone to ooze, drainage, improve channel hydraulic pipeline ability, reduce water conveyance loss.
2nd, present invention setting table in channel side slopes the first building block construction area and channel side slopes the second building block construction area
Rank, is easy to the maintenance work of channel.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is structural representation when the first building block of lowest tier of channels is constructed in the present invention；
Fig. 2 is structural representation when fixed mount is installed in the present invention；
Fig. 3 is the structural representation of building block installing rack in the present invention；
Fig. 4 is structural representation when building block installing rack is fixedly connected with fixed mount in the present invention；
Fig. 5 is the structural representation of the first building block construction area and the second building block construction area in the present invention；
Fig. 6 is the structural representation for arranging step in the present invention in the first building block construction area and the second building block construction area
Figure.
Specific embodiment
As shown in Figures 1 to 6, it is a kind of anti-seepage of channels construction method for storing flooded wetland of the present invention, comprises the steps：
(a) basement process：Setting-out is carried out to channel according to design drawing, channel footing line and canal mouth line is released, then is carried out
Machinery is excavated with manually cooperating, and before earth excavation, ground carries out natural air drying.Then it is suitable using being layered from top to bottom
The method on slope is excavated, and the weeds, mud, tree root, organic fertile soil to channel side remove, and carry out soil at loosening excavating
Side backfills.Compaction treatment is carried out with manually be combineding with each other using machinery again, per layer of paving soil thickness during mechanical ramming is little
Per layer of paving soil thickness during 20cm, hand compaction is not more than 20cm.Then alluvial water is drained, and it is aqueous to reduce which
Amount, until ground basal plane meets design requirement.
B () lowest tier of channels sand-gravel cushion is constructed：Selected sand gravel pad need to control the granule gravel of a certain size sieve aperture
Content, it is concrete as shown in table 1：
Table 1
After dispensing, building stones transport is arrived at channel using dump truck, equably building stones are paved in channel with loader
At bottom, sand-gravel cushion is formed, then is sprinkled water in sand-gravel cushion, then with manually being flattened, then use road roller
Sand-gravel cushion is rolled.
C the first building block of () lowest tier of channels 2 is constructed：First lowest tier of channels along channel the equidistant subsection setup of width
Control line, control line are fixed on timber by iron wire, and timber is arranged at lowest tier of channels.Draw further along the length direction of channel
Go out a horizontal line, horizontal height is the height that the first building block 2 is built by laying bricks or stones.Then horizontal line is adjusted one by one as reference substance
The rational height of whole timber, the control line of the different sections of adjustment are in same level.Press in lowest tier of channels further according to control line
Enter levelling block 1, and the end face of levelling block 1 is flushed with control line.Mortar mixing is carried out again, and then the first building block 2 is built
Lowest tier of channels is built, and the first building block 2 and levelling block 1 are adjacent to, sand-lime starches THICKNESS CONTROL in 20～30mm, by the when building by laying bricks or stones
The end face of one building block 2 keeps flushing with the end face of levelling block 1.
D the first building block of () channel side slopes 2 is constructed：Along the channel side slopes mounting and fixing support 3 after process, specially in channel
Side slope at arranged parallel cross bar 8, during the 1/3 of cross bar 8 is placed into the soil, then equidistant on cross bar 8 be welded and fixed bar 9.Again
U-shaped frame 4 is inserted in fixed mount 3, during lower slotting U-shaped frame 4, according to design drawing 2 construction area of reserved first building block
Then U-shaped frame 4 is bundled with fixed mount 3 by the set location of middle step with iron wire, then to oblique two U-shaped framves 4 up and down
Bundled with iron wire.Then the set location according to U-shaped frame 4, building block installing rack 5 are fixed to U-shaped frame 4 by fixing bolt
In installing hole, building block installing rack 5 adopts the top of wooden structures, wooden structures to arrange a pair of card frames, and card frame includes two in opposite directions
The metal clamping block of setting, metal clamping block are L-shaped.After 5 installation of building block installing rack, using metallic plate by left and right adjacent two
Individual building block installing rack 5 is fixed.Then the support template at the reserved stepped locations setting, then coagulation is poured in a template
Soil, makes step 7, then conserves 10-15 days.Again the first building block 2 is slided in building block installing rack 5, then in the first building block 2
Soil is backfilled between channel side slopes, and leveling compacting is carried out to soil.
E the second building block of () channel side slopes 6 is constructed：Second building block is carried out at the soil filled and led up along channel side slopes under up
6 build by laying bricks or stones, and laterally adjacent two piece of second building block 6 is inlayed.During the second building block 6 is built by laying bricks or stones, reserved according to design drawing
The set location of step in second building block, 6 construction area.After the completion of second building block 6 is built by laying bricks or stones, lead in the through hole in the second building block 6
Enter reinforcing bar, and casting concrete.After building by laying bricks or stones and completing the second building block 6, the support template at the reserved stepped locations setting, then use
Concrete fills up the groove of the second building block 6, then casting concrete in a template, makes step 7, then conserves 10-15 days, so
Stone is pressed at the second building block 6 of top afterwards.
The process of 2 construction area of (f) first building block：The first building block 2 to lowest tier of channels is processed, at laterally adjacent two pieces
Mortar is inserted at gap between first building block 2, and mortar and the first building block 2 are kept flushing, then first to channel side slopes
Building block 2 is processed.Insert mortar at gap between oblique neighbouring two piece of first building block 2, and by mortar and first
Building block 2 keeps flushing.Then channel side slopes undermost first building block 2 and the outermost end of lowest tier of channels the first building block 2
Between smear sealing strip.
G () is rinsed to 2 construction area of the first building block and 6 construction area of the second building block.
, after the completion of construction, in canal, flow velocity is up to 5～14m/s and freeze proof and impermeability strengthens for the present invention.
The present invention adopts the first building block 2 and the second building block 6 to be constructed as anti-seepage of channels layer, builds in lowest tier of channels first
During block 2 is constructed, control line is adjusted by the horizontal line segment that the length direction along channel is pulled out, further in accordance with control line as reference
Thing, is pressed into levelling block 1 in lowest tier of channels, and levelling block 1 can play reference role, can control the first building block 2 again and build by laying bricks or stones
Position, improve the efficiency of construction of lowest tier of channels the first building block 2, the first building block of lowest tier of channels 2 kept into globality and planarization,
Prevent from gap occur and the phenomenon of leak occur between the first building block of lowest tier of channels 2.In the first building block of channel side slopes 2 is constructed,
By the way of fixed mount 3, U-shaped frame 4 and building block installing rack 5 interfix, U-shaped frame 4 is inserted in fixed mount 3, with iron wire by U
Type frame 4 is bundled with fixed mount 3, then oblique two U-shaped framves 4 up and down are bundled with iron wire, and building block installing rack 5 passes through
Fixing bolt is fixed in the installing hole of U-shaped frame 4, after 5 installation of building block installing rack, left and right is two neighboring using metallic plate
Building block installing rack 5 is fixed, so that 2 setting structure of the first building block stably firmly, improves the first building block 2 at channel side slopes
The stability of setting, is less prone to due to excessively causing the first building block 2 at channel side slopes between channel side slopes and lowest tier of channels
There is staggered floor phenomenon, improve the first building block 2 at channel side slopes and keep globality and planarization.Apply in the second building block of channel side slopes 6
In work, by the interaction at channel side slopes between the first building block 2 and channel side slopes, at the soil filled and led up along channel side slopes
The second building block 6 is up carried out under to build by laying bricks or stones, laterally adjacent two piece of second building block 6 is inlayed, at raising channel side slopes, second builds
Block 6 keeps globality and planarization.Anti-seepage of channels single structure is changed into composite junction by summary working measure, the present invention
Structure, anti-seepage of channels layer construction globality and planarization it is good, channel be less prone to ooze, drainage, improve channel hydraulic pipeline ability,
Reduce water conveyance loss.The present invention is set in 6 construction area of 2 construction area of the first building block of channel side slopes and the second building block of channel side slopes
Step is put, is easy to the maintenance work of channel.
The specific embodiment of the present invention is these are only, but the technical characteristic of the present invention is not limited thereto.It is any with this
Based on bright, it is to solve essentially identical technical problem, realizes essentially identical technique effect, done simple change, etc.
With replacement or modification etc., among being all covered by protection scope of the present invention.
Claims (5)
1. a kind of anti-seepage of channels construction method for storing flooded wetland, it is characterised in that comprise the steps：
(a) basement process；
B () lowest tier of channels sand-gravel cushion is constructed；
C the first building block of () lowest tier of channels is constructed：First control along the equidistant subsection setup of width of channel in lowest tier of channels
Line, control line are fixed on timber by iron wire, and timber is arranged at lowest tier of channels, pull out one further along the length direction of channel
Bar horizontal line, then using horizontal line as reference substance, adjusts the rational height of timber one by one, and the control line of the different sections of adjustment is in
Same level, is pressed into levelling block in lowest tier of channels further according to control line, and will be the end face of levelling block and control line neat
It is flat, then mortar mixing is carried out, then by the first concrete block masonry to lowest tier of channels, and the first building block and levelling block are adjacent to, sand
The end face of the first building block is kept flushing with the end face of levelling block when building by laying bricks or stones by mortar THICKNESS CONTROL in 20～30mm；
D the first building block of () channel side slopes is constructed：Along the channel side slopes mounting and fixing support after process, then U is inserted in fixed mount
Type frame, during lower slotting U-shaped frame, has reserved the set location of step in the first building block construction area according to design drawing, so
U-shaped frame and fixed mount are bundled with iron wire afterwards, then oblique two U-shaped framves up and down are bundled with iron wire, Ran Hougen
According to the set location of U-shaped frame, building block installing rack is fixed in the installing hole of U-shaped frame by fixing bolt, and building block installing rack is installed
After the completion of, left and right two neighboring building block installing rack is fixed using metallic plate, then at reserved stepped locations setting
Support template, then casting concrete in a template, make step, then conserve 10-15 days, then the first building block is slided into building block
In installing rack, soil is then backfilled between the first building block and channel side slopes, and leveling compacting is carried out to soil；
E the second building block of () channel side slopes is constructed：Second concrete block masonry is carried out at the soil filled and led up along channel side slopes under up,
Laterally adjacent two piece of second building block is inlayed, during the second building block is built by laying bricks or stones, according to reserved second building block of design drawing
The set location of step in construction area, after building by laying bricks or stones and completing the second building block, the support template at the reserved stepped locations setting,
Fill up the groove of the second building block again with concrete, then casting concrete in a template, make step, then conserve 10-15 days,
Then stone is pressed at the second building block of top；
The process of (f) first building block construction area：The first building block to lowest tier of channels is processed, and is built at laterally adjacent two piece first
Insert mortar at gap between block, and mortar and the first building block are kept flushing, then the first building block of channel side slopes is carried out
Process, mortar is inserted at the gap between oblique neighbouring two piece of first building block, and mortar and the first building block are kept into neat
It is flat, then sealing is smeared between the first building block of the outermost end of undermost first building block and lowest tier of channels of channel side slopes
Bar；
G () is rinsed to the first building block construction area and the second building block construction area.
2. a kind of anti-seepage of channels construction method for storing flooded wetland according to claim 1, it is characterised in that：Step (a) has
Body is that setting-out is carried out to channel according to design drawing, releases channel footing line and canal mouth line, then carries out mechanical and artificial phase interworking
Conjunction is excavated, and before earth excavation, ground carries out natural air drying, is then opened using the method being layered along slope from top to bottom
Dig, the weeds, mud, tree root, organic fertile soil to channel side remove, and carry out backfilling of earthwork at loosening excavating, then adopt
Machinery carries out compaction treatment with manually be combineding with each other, and per layer of paving soil thickness during mechanical ramming is not more than 20cm, artificial to ram
Per layer of paving soil thickness during reality is not more than 20cm, then drains alluvial water, and reduces its water content, until ground basal plane
Meet design requirement.
3. a kind of anti-seepage of channels construction method for storing flooded wetland according to claim 1, it is characterised in that：Step (b) has
Body is building stones transport to be arrived at channel using dump truck, equably building stones is paved at lowest tier of channels with loader, is formed
Sand-gravel cushion, then sprinkled water in sand-gravel cushion, then with manually being flattened, then with road roller to sand-gravel cushion
Rolled.
4. a kind of anti-seepage of channels construction method for storing flooded wetland according to claim 1, it is characterised in that：In step (d),
What fixed mount was installed concretely comprises the following steps the arranged parallel cross bar at the side slope of channel, during the 1/3 of cross bar is placed into the soil, then in horizontal stroke
It is equidistant on bar to be welded and fixed bar.
5. a kind of anti-seepage of channels construction method for storing flooded wetland according to claim 1, it is characterised in that：In step (e),
After the completion of second concrete block masonry, reinforcing bar, and casting concrete in the through hole in the second building block, are passed through.
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| CN106544987B (en) | 2018-10-26 |
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