CN105862710B - A kind of drain bar and construction method for Tidal Flat Inning Area processing - Google Patents
A kind of drain bar and construction method for Tidal Flat Inning Area processing Download PDFInfo
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- CN105862710B CN105862710B CN201610211665.6A CN201610211665A CN105862710B CN 105862710 B CN105862710 B CN 105862710B CN 201610211665 A CN201610211665 A CN 201610211665A CN 105862710 B CN105862710 B CN 105862710B
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- 238000010276 construction Methods 0.000 title claims abstract description 74
- 238000012545 processing Methods 0.000 title claims abstract description 23
- 239000004576 sand Substances 0.000 claims abstract description 52
- 239000004746 geotextile Substances 0.000 claims abstract description 35
- 239000002362 mulch Substances 0.000 claims abstract description 4
- 239000002985 plastic film Substances 0.000 claims abstract description 4
- 229920006255 plastic film Polymers 0.000 claims abstract description 4
- 239000002689 soil Substances 0.000 claims description 38
- 238000002627 tracheal intubation Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 16
- 238000004062 sedimentation Methods 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 9
- 230000007480 spreading Effects 0.000 claims description 8
- 238000003892 spreading Methods 0.000 claims description 8
- 230000003068 static effect Effects 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 4
- 241001669679 Eleotris Species 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 231100000768 Toxicity label Toxicity 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 claims description 2
- 238000007592 spray painting technique Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
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- 238000003825 pressing Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
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- 241001504664 Crossocheilus latius Species 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of drain bar and construction method for Tidal Flat Inning Area processing, drain bar includes drain bar body, the first rhone is evenly distributed with drain bar body, the second rhone is evenly distributed with drain bar body, second rhone is connected with the first rhone, and osculum is evenly distributed with drain bar body；Simultaneously using the construction method of the drain bar, comprise the following steps：(a) surveying and locating；(b) place flattens；(c) setting cushion；(d) stake position setting-out；(e) drain bar is laid；(f) clear up and cut；(g) fill sand and fill out hole；(h) geotextiles are laid；(i) plastic film mulch is evacuated；(j) settlement observation plate is buried.Drainability of the present invention is strong, applied widely, and labor intensity is small, reduces construction cost, and easy for construction, efficiency of construction is high, can both reduce engineering construction cost, and and can shortens the engineering construction cycle, improves the returns of investment of engineering.
Description
Technical field
The invention belongs to hydraulic engineering technical field, more particularly to a kind of drain bar for Tidal Flat Inning Area processing and apply
Work method.
Background technology
Filler used in China's reclamation engineering is largely the weak permeability such as muck soil or organic matter clay, height at present
Saturability, low-intensity, based on high rheological variation weakness barged-in fill, the land-based area soil body is because of its moisture content within the short time after the completion of hydraulic reclamation
High, intensity and bearing capacity are extremely low and can not carry out the relevant treatment of ground in time.In addition, China cruiseway lake is annual all
Can produce substantial amounts of dredging silt, desilting mud stack for a long time dry exist to environment and land used resource certain pollution and
Waste.For the reclamation engineering of blowing-filling sludge soil, its advance drainage sunk well of superficial layer super soft weak soil need to be formed
Crust layer with some strength and thickness；For the dredging silt in stockyard, then need to carry out drainage sunk well to it to reduce soil
Body moisture content.To sum up, above engineering problem is core is how quickly to reduce the moisture content of superficial layer mud.
At present, in reclamation engineering mainly there is the Treatment Methods of superficial layer ultra-soft soil：Firstth, natural drying：The method one
As dry and at least need 1 year and easily influenceed by weather, efficiency of construction is very low.Secondth, in floating platform or in advance, laying geotechnique knits
Shallow-layer processing deep vertical plastic draining board combined vacuum preloading method is manually plugged on thing or grid and carries out drainage sunk well, because of mud
High-moisture percentage and hypotonicity, need to typically carry out vacuum preloading 1~3 month, it is general simultaneously because blowing-filling sludge deflection is very big
Logical plastic draining board will produce wide-angle bend so that influence vacuum transmission and drainage channel it is smooth.And dredging silt
Water discharge method mainly by pre-set in stockyard rigidity vertically and horizontally drainage channel to mud carry out vacuum dehydration processing, this
Method can greatly accelerate the drainage rates of mud, but pre-set displacement hull and insert process to mud and there are certain requirements, and handle knot
The rigid drainage body recovery of beam is relatively complicated, therefore the method is not suitable for the drainage system of large area barged-in fill or desilting soil.
The content of the invention
Present invention aims at solve above-mentioned technical problem present in prior art, there is provided one kind is used for Tidal Flat Inning Area
The drain bar and construction method of processing, drain bar cocker bit combination connection, installation is simple, sound construction, and intensity is high, can undertake big
Part soil pressure, drainage efficiency is high, and drainability is strong, applied widely, using the construction method of the drain bar, labor intensity
It is small, construction cost is reduced, easy for construction, efficiency of construction is high, can both reduce engineering construction cost, and and can shortens engineering construction week
Phase, improve the returns of investment of engineering.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：
A kind of drain bar for Tidal Flat Inning Area processing, including drain bar body, it is characterised in that：On drain bar body
It is evenly distributed with boss, the both sides of drain bar body are equipped with T-shaped connector, and the other both sides of drain bar body are equipped with T-shaped
Link slot, T-shaped link slot is corresponding with T-shaped connector, and the first rhone, drain bar body are evenly distributed with drain bar body
On be evenly distributed with the second rhone, the second rhone is connected with the first rhone, the row of being evenly distributed with drain bar body
Water hole；The drain bar cocker bit combination connects, and installation is simple, sound construction, and intensity is high, can undertake most of soil pressure, draining
Efficiency high, drainability is strong, applied widely, economical and practical.
Further, be provided with filter in osculum, filter is provided with dirt-blocking ring, dirt-blocking ring can stop bulky grain mud thing and
Impurity by avoiding draining hole plug, ensureing the drainage efficiency of drain bar.
Further, the first rhone and the second rhone be in being arranged in a mutually vertical manner, the first rhone be located at adjacent lands it
Between, between adjacent lands, the first rhone is interconnected the second rhone with the second rhone, adds the row of drain bar
Water efficiency and drainability.
Further, the width of the first rhone is more than the width of the second rhone, and different drainage channels helps to increase
Drainage efficiency, greatly reduce hydrostatic pressing effect.
Further, strengthened connection bar is provided between adjacent lands, increases the stability between boss, mutually pins down, be not easy
Damage, increases the service life.
Further, boss is in cone shape, and boss can resist soil pressure, prevents dirt particles by so as to avoid the
One rhone, the second rhone and osculum obstruction, make draining smooth.
A kind of draining board construction method for Tidal Flat Inning Area processing, it is characterised in that comprise the following steps：
(a) surveying and locating：Construction area is divided into unit, cell block surveying and locating is carried out with theodolite and spirit level,
Then the beginning and end pile No. provided according to design drawing gets control stake in each unit, and route Center stake is released every 5~10m,
Skirt piles and fender pile are released according to the width set；
(b) place flattens：The method that road roller rolls is bulldozed using wet land type bull-dozer, by the trees in boundary of works area,
Debris is cleaned out, and excessively soft region is smooth using giant, and gutter, center section are higher by excavation than surrounding in length and breadth
30cm, yard drain drainage is easy to construct；
(c) setting cushion：Before Base with Sand Gravel Cushion laying, first in one layer of argillaceous rocks of earth's surface place mat, certain " camber " is reserved, i.e.,
Thick middle, both sides are thin, then lay Base with Sand Gravel Cushion, and Base with Sand Gravel Cushion gross thickness is 60cm, point two layers of making, first layer laying
25cm, then injection drain bar, then lays remaining 35cm, and is compacted using 60~80kN static pressure type road rollers, protects
Card compactness reaches more than 95%, and " camber " is beneficial to draining after the sedimentation of ground basin shape；
(d) stake position setting-out：First according to design given treated length, width and plate away from the row and row for calculating laying
Number, draws the figure that lays out pile according to result of calculation, is numbered from 1, indicate the numbering of arrangement, and the axis per campshed should be perpendicular to route
Center line, it is normal direction on curve, while draws when the figure that lays out pile hands over workmen to set and use, is scheming per injection one
Upper relevant position marks, and according to the figure that lays out pile, is inserted on the stake position of the first layer Base with Sand Gravel Cushion laid with the 12cm reinforcing bars of φ 6 grown
Enter, release specific stake position, mark is made in the red spray painting in stake top portion；
(e) drain bar is laid：The symmetrical laying sleeper under drain bar track, adjacent rail sleepers are smaller than 0.8m, and work people
Member drives crawler type board-plugging device to construction area, steel plate is laid under crawler belt, two neighboring drain bar passes through the T-shaped link slot
With the matching of the T-shaped connector, screens combination connection is carried out, then the drain bar after assembling is loaded to the reel of piling machine, is drawn
Enter into intubation, drain bar is drawn from the termination of intubation, turned back, then wear back in intubation and tense, complete drain bar installation, inserting
Red-label is left on pipe in advance as projected depth, vibration is opened and intubation align piles position is pressed into ground, reach predetermined design
Intubation is extracted after depth, intubation pulls up the pore stayed afterwards, is filled with sand gravel, prevents that blocking drainage channel loses draining
Effect；
(f) clear up and cut：Then the wrench mud of exposed drain bar is cleared up, and is tamped with sand, then by Base with Sand Gravel Cushion
Surface strike off, by drain bar beyond Base with Sand Gravel Cushion part cut, be allowed to maintain an equal level with sand bedding course top surface, ensure the top of drain bar
Portion stretches into Base with Sand Gravel Cushion at least 20cm, it is penetrated with sand bedding course, then moves on to next spiling position, and repetition is above-mentioned to plug draining
Plate acts；
(g) fill sand and fill out hole：The gap formed between adjacent drainage channel plate is dug out totally, backfilled with sand gravel, and backfill
The hole formed in construction is recessed, righting drain bar when filling out hole, controls the levelness deviation of drain bar to be less than 5cm, at the same to backfill at
It is compacted with static pressure type road roller, ensures that compactness reaches more than 90%；
(h) geotextiles are laid：After hole compacting is filled out, geotextiles are re-layed, geotextiles are laterally laid, the paving of geotextiles
If route direction and the making of first layer filler are in opposite direction, later layer geotextiles are pressed in preceding layer geotextiles, adjacent geotechnique
The lap of splice of cloth is more than 25cm, and the engineering time extends, the Site Soil capping protection thick 20cm on geotextiles upper berth；
(i) plastic film mulch is evacuated：One layer of diaphragm seal is laid in geotextiles, the ground under diaphragm seal is carried out with vacuum air pump
Pumping, until vacuum stops after reaching design requirement, soil is then backfilled, staff drives static pressure type road roller and carried out most
Final pressure is real, and precompressed is loaded to ground, forces the super quiet pore water discharge in the beach soil body, and gradually consolidation, ground settle, by force
Degree steps up, and reaches the processing procedure for being previously-completed most of settlement of foundation, while improves the bearing capacity and stability of ground；
(j) settlement observation plate is buried：A length of 1m timber is buried in processing soft soil location as sedimentation observing mark, on road
Centre bottom sets sedimentation plate, and as the increase spreading of the depth of fill observes bar, sedimentation plate is embedded in Base with Sand Gravel Cushion, from roadbed bottom
10~15cm, observation bar are stretched out outside geotextiles, upper set φ 20 vinyl tube, a settlement observation are done after having buried, with
One layer of soil is often filled out afterwards, then is observed once, and is made a record in time.
Further, then sand gravel is stacked in step (c) using light vehicle transport gravel outside construction area, so
Be transported into afterwards with light transport vehicle in construction area, gravel, which paves, to be accomplished uniform, smooth, forms two-way horizontal slope, due to earth's surface compared with
Weakness, the disturbance to ground is reduced using light transport vehicle.
The present invention is by adopting the above-described technical solution, have the advantages that：
Drain bar cocker bit combination connection in the present invention, installation is simple, sound construction, and intensity is high, can undertake major part
Soil pressure, drainage efficiency is high, and drainability is strong, applied widely, economical and practical；Construction method in the present invention, labor intensity
It is small, construction cost is reduced, easy for construction, efficiency of construction is high, can both reduce engineering construction cost, and and can shortens engineering construction week
Phase, the returns of investment of engineering are improved, drain bar forms to form a synthesis with infiltration, water storage and drain function with geotextiles
System, greatly strengthen the drainability of the soil body, accelerate pore water pressure dissipation, shorten the time required for soil solidifying；Construction
Technique is simple, and construction processing effect is good, enclose and cultivate, harbour, dyke, highway communication, soft soil foundation place reinforce etc. should in engineering
With will be more and more, have broad application prospects, there is obvious Social benefit and economic benefit.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structural representation of drain bar for Tidal Flat Inning Area processing of the present invention；
Fig. 2 is the top view in Fig. 1；
Fig. 3 is the structural representation of filter in the present invention；
Fig. 4 is the schematic diagram after drain bar laying in the present invention.
In figure：1- drain bar bodies；2- boss；3- strengthened connection bars；4-T type connectors；5-T type link slots；6- first
Rhone；The rhones of 7- second；8- osculums；9- filters；10- dirt-blocking rings；11- Base with Sand Gravel Cushion；12- geotextiles；13- is sealed
Film.
Embodiment
As shown in Figures 1 to 4, it is a kind of drain bar for Tidal Flat Inning Area processing of the present invention, including drain bar body
1, boss 2 is evenly distributed with drain bar body 1, boss 2 is in cone shape, and boss 2 can resist soil pressure, prevents soil micro-
Grain is by so as to avoid drainage channel from blocking, making draining smooth.Strengthened connection bar 3 is provided between adjacent lands 2, increases boss 2
Between stability, mutually pin down, be hardly damaged, increase the service life.The both sides of drain bar body 1 are equipped with T-shaped connector
4, the other both sides of drain bar body 1 are equipped with T-shaped link slot 5, and T-shaped link slot 5 is corresponding with T-shaped connector 4, two neighboring
For drain bar by the matching of T-shaped link slot 5 and T-shaped connector 4, progress screens combination connection is simple in construction, easy for installation.
The first rhone 6 is evenly distributed with drain bar body 1, the second rhone is evenly distributed with drain bar body 1
7, the second rhone 7 is connected with the first rhone 6, and the first rhone 6 is in be arranged in a mutually vertical manner with the second rhone 7, and first
The width of rhone 6 is more than the width of the second rhone 7, and the first rhone 6 is between adjacent lands 2, the second rhone 7
Between adjacent lands 2, the first rhone 6 and the second rhone 7 are interconnected, and different drainage channels helps to increase draining
Efficiency and drainage effect, greatly reduce hydrostatic pressing effect.
Osculum 8 is evenly distributed with drain bar body 1, is provided with filter 9 in osculum 8, filter 9 is provided with blocked sewage
Circle 10, dirt-blocking ring 10 can stop bulky grain mud thing and impurity by avoiding osculum 8 from blocking, ensureing the draining effect of drain bar
Rate.The drain bar cocker bit combination connects, and installation is simple, sound construction, and intensity is high, can undertake most of soil pressure, draining effect
Rate is high, and drainability is strong, applied widely, economical and practical.
A kind of draining board construction method for Tidal Flat Inning Area processing, comprise the following steps：
(a) surveying and locating：Construction area is divided into junior unit, carrying out cell block measurement with theodolite and spirit level puts
Sample, the beginning and end pile No. then provided according to design drawing get control stake in each unit, and route center is released every 5~10m
Stake, skirt piles and fender pile are released according to the width set.
(b) place flattens：The method that road roller rolls is bulldozed using wet land type bull-dozer, by the trees in boundary of works area,
Debris is cleaned out, and local excessively soft region is smooth using giant, and gutter, center section are higher than surrounding in length and breadth for excavation
Go out 30cm, yard drain drainage is easy to construct.
(c) setting cushion：Because earth's surface is weaker, gravel is transported using light vehicle, reduces the disturbance to ground as far as possible,
Sand gravel is stacked at outside construction area, is then transported into smaller vehicle in construction area, gravel pave accomplish it is uniform, flat
It is whole, two-way horizontal slope is formed, while pay attention to avoiding soil, debris from being mixed into sand gravel.Before Base with Sand Gravel Cushion 11 is laid, first in earth's surface place mat
One layer of argillaceous rocks, certain " camber ", i.e. thick middle are reserved, both sides are thin, draining after being settled beneficial to ground basin shape.Then sand is laid
Gravel bed course 11, Base with Sand Gravel Cushion 11 are less than 5% medium coarse sand using clay content, and the gross thickness of Base with Sand Gravel Cushion 11 is 60cm, point two layers of paving
Build, first layer laying 25cm, then injection drain bar, then lay remaining 35cm, and using 60~80kN static pressure types pressure road
Machine is compacted, and must not shake stone roller, ensures that compactness reaches more than 95%, and its thickness of argillaceous rocks bed course is generally no greater than 100cm, and
Maximum particle diameter is not more than 10cm, and do not influence drain bar plugs work.
(d) stake position setting-out：First according to design given treated length, width and plate away from the row and row for calculating laying
Number, draws the figure that lays out pile according to result of calculation, is numbered from 1, indicate the numbering of arrangement, and the axis per campshed should be perpendicular to route
Center line, it is normal direction on curve, while draws when the figure that lays out pile hands over workmen to set and use, is scheming per injection one
Upper relevant position marks, in order to avoid omit.According to the figure that lays out pile, grown on the stake position of the first layer Base with Sand Gravel Cushion 11 laid with 12cm
The insertion of the reinforcing bars of φ 6, release specific stake position, red paint in stake top portion makes mark, and draining is blocked with the reinforcing bar when setting
The end of plate, drain bar is anchored in bottom hole, prevents from taking drain bar during tube drawing.Put general once unsuitable excessive during stake position, elder generation
Laid in half range, in order to avoid being lost during construction, checksum protection should be often paid attention in construction, loss is filled in time.
(e) drain bar is laid：Symmetrical laying sleeper, adjacent rail sleepers are smaller than 0.8m under drain bar track, for rail
Road joining place, it is necessary to which encryption lays railway sleepers.Staff drives crawler type board-plugging device to construction area, and steel is laid under crawler belt
Plate, the walking of crawler type board-plugging device is facilitated to prevent from miring down in mud.Using self-propelled DJL30-20A crawler type formula board-plugging devices, it has
The advantages that simple in construction, easy to maintenance, stable performance and flexible displacement.Two neighboring drain bar by T-shaped link slot 5 with it is T-shaped
The matching of connector 4, screens combination connection is carried out, then the drain bar after assembling is loaded to the reel of piling machine, be incorporated into intubation
In, drain bar is drawn from the termination of intubation, turned back, then wear back in intubation and tense, drain bar installation is completed, in intubation in advance
Red-label is left as projected depth, open vibration will intubation align piles position press-in ground, reaching will after predetermined design depth
Intubation is extracted, the pore stayed after intubation pulls up, it is impossible to is blocked with ball clay or other materials, it is necessary to filled with sand gravel,
Prevent that blocking drainage channel makes draining fail.
(f) clear up and cut：Then the wrench mud of exposed drain bar is cleared up, and is tamped with sand, then by Base with Sand Gravel Cushion
11 surface is struck off, and drain bar is cut beyond the part of Base with Sand Gravel Cushion 11, in order to avoid lay layer in bursting subsequent step, be allowed to
Sand bedding course top surface maintains an equal level, and ensures to stretch at least 20cm of Base with Sand Gravel Cushion 11 at the top of drain bar, it is penetrated with sand bedding course, Ran Houyi
To next spiling position, repeat the above-mentioned drain bar that plugs and act.
(g) fill sand and fill out hole：The gap formed between adjacent drainage channel plate is dug out totally, backfilled with sand gravel, and backfill
The hole formed in construction is recessed, righting drain bar when filling out hole, controls the levelness deviation of drain bar to be less than 5cm, at the same to backfill at
It is compacted with static pressure type road roller, ensures that compactness reaches more than 90%.
(h) geotextiles are laid：After hole compacting is filled out, geotextiles 12, the laterally laying of geotextiles 12, geotextiles are re-layed
12 laying route direction and the making of first layer filler is in opposite direction, such as first layer filler making from west to east, then geotechnological
Cloth 12 is just overlapped from east to west, and later layer geotextiles 12 are pressed in preceding layer geotextiles 12, the lap of splice of adjacent geotextiles 12
More than 25cm, to avoid the 12 long-term exposure of geotextiles completed, geotextiles 12, which are laid, should fill first layer filler as early as possible,
It is unsuitable long every the time.As that must extend the engineering time, protection is capped in Site Soil thick the upper berth 20cm of geotextiles 12, forbids applying
Work vehicle travels in geotextiles 12.
(i) plastic film mulch is evacuated：One layer of diaphragm seal 13 is laid in geotextiles 12, with vacuum air pump to the ground under diaphragm seal 13
Base is evacuated, until vacustat stops in more than 75Kpa, then backfills soil, staff drives static pressure type pressure
Road machine is finally compacted, and precompressed is loaded to ground, forces the super quiet pore water discharge in the beach soil body, gradually consolidation, ground
Settle, intensity steps up, and reaches the processing procedure for being previously-completed most of settlement of foundation, while improves the carrying of ground
Power and stability.
(j) settlement observation plate is buried：A length of 1m timber is buried in processing soft soil location as sedimentation observing mark, sedimentation
Observation monument should be protected conscientiously, make obvious mark, prevent from colliding in construction.Sedimentation plate is set in Lu Zhizheng bottom, with filling out
The increase spreading observation bar of native height, sedimentation plate is embedded in Base with Sand Gravel Cushion 11, and from 10~15cm of roadbed bottom, observation bar stretches out soil
Outside work cloth 12, upper set φ 20 vinyl tube, a settlement observation is done after having buried, construction period often fills out one layer of soil, then
Observation once, and makes a record in time.If interval is longer when filling twice, at least observe once within every 3 days.Embankment is completed
Afterwards, general first quarter moon or monthly observe once.
Drain bar cocker bit combination connection in the present invention, installation is simple, sound construction, and intensity is high, can undertake major part
Soil pressure, drainage efficiency is high, and drainability is strong, applied widely, economical and practical；Construction method in the present invention, labor intensity
It is small, construction cost is reduced, easy for construction, efficiency of construction is high, can both reduce engineering construction cost, and and can shortens engineering construction week
Phase, the returns of investment of engineering are improved, drain bar forms one with the composition of geotextiles 12 has the comprehensive of infiltration, water storage and drain function
Syzygy is united, and greatly strengthens the drainability of the soil body, accelerates pore water pressure dissipation, shortens the time required for soil solidifying；Apply
Work technique is simple, and construction processing effect is good, enclose and cultivate, harbour, dyke, highway communication, soft soil foundation place reinforce etc. in engineering
Using will be more and more, have broad application prospects, there is obvious Social benefit and economic benefit.This construction method pays attention to
Item：
(1) track direct route direction is laid, and should make same section keep level when laying track, perpendicularity during ensureing injection
<1.5%.
(2) injection promotes from banket to Lu Zhizheng, and often row can set 5~8, beat row moving door frame further along,
Until the settled point in treated length direction.Then traversing door frame, the next width of injection is returned.
(3) mud taken out of during insertion rod is pulled out on, must not be abandoned on sand bedding course, in order to avoid block drainage channel.
(4) drain bar does not allow spreading typically.If should be peeled off when wanting spreading filter membrane make core plate connect it is flat (lap of splice >=
20cm) and then filter membrane is wrapped, then jail is ordered with trigger is ordered.No more than setting the 5% of radical, general most are permitted the radical of spreading
Perhaps spreading is once.The plate of spreading is preferably adjusted to banket position and set.
(5) the sedimentation changeover portion of works both sides must be beaten in strict accordance with the beginning and the end scope of length, spacing, transition
If.Similarly handled in the range of abutment inner cone slope 2/3H (filled height).
(6) should strengthen checking when constructing, ensure plate away from, perpendicularity, plate are long, meet code requirement with strip length etc., otherwise
Should beat again, the stake position beaten again and former stake position no more than plate away from 15%.
(7) rod aperture is stayed after insertion rod rises for the duricrust (being typically 0.6~1m) of construction section earth's surface, it is impossible to use viscous
Soil block or other materials block, it is necessary to are filled with sand, make processing failure with anti-clogging drainage channel.
(8) construction note is carried out when constructing by stake.
This construction method safety measure：
(1) due to being constructed in spacious wilderness, construction operation number is few, is in the early development stage again, has been not generally possible to
Good execution conditions, it must pay much attention to safely；
(2) cable must carry out " Three-phase five-wire " system in constructing.All electrical equipments must install electricity-leakage-proof protectors, institute
Some distribution boxs, plug-in strip case must use the lock case for meeting regulation requirement.The necessary fix tightly of power line of lock case is passed in and out, and uses rubber
Plastic boot is protected；
(3) fixed power source line should try one's best aerial, when can not make somebody a mere figurehead, it is necessary to which, using water proof rubber cable, the cable that mops floor is necessary
Meet resistance to pressure request, forbid must have strict using the old cable or underproof product, all cable connectors of aging
Anticreep measure, and with rod by joint erector from the ground；
(4) pitching pile operation such as thundery sky, it is necessary to stop operation, and pile pipe is inserted in ground；
(5) the necessary special messenger commander of plate operation, the necessary coordination of the personnel for particularly wearing shoe, prevents personal injury.
This construction method environmental practice：
(1) worker's study is educated《Law of Environmental Protection of the People's Republic of China》Deng environmental regulation, strengthen worker's environmental protection
Consciousness, and voluntary observance environmental regulation；
(2) carry out the communication and education of environmental protection, improve understanding of all engineering staffs to environmental protection importance, carry out
The policy of " put prevention first, prevent and treat combination, integrated management ", education employee consciously carry out environmental protection work；
(3) basis《Environment management standard》(GB/T24000-ISO14000) environmental monitoring system is established, it is constantly anti-
Monitoring information is presented, takes measures to rectify and reform；
(4) control construction waste water, mud discharge, will set special row pond or bucket, there is professional's processing；
(5) forbid constructing in strong wind weather, measure is gone along with sb. to guard him in construction；
(6) construction machinery will avoid carrying on construction work at night；
(7) oil plant will be placed on defined position, there is special messenger's keeping；
(8) there must not be pyrotechnics around combustibles in constructing；
(9) job site reasonable Arrangement, field hold clean and tidy, closure construction, and discarded object is cleared up in time, and scene is arranged in a organized way
Water；
(10) the existing environmental protection pertinent regulations of strict implement country and corporate environment defence program file, have prevented damage
Surrounding environment and the phenomenon of health of human body occur；
(11) construction waste water, sanitary sewage are handled by relevant requirement, must not be directly discharged into farmland, river and channel；
(12) life that is occurred in constructing, production rubbish, centralized collection transports outward in time, must not arbitrarily exposed disposal pollute
Environment.
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 hair
Based on bright, to solve essentially identical technical problem, essentially identical technique effect is realized, made simple change, etc.
With replacement or modification etc., all it is covered by among protection scope of the present invention.
Claims (2)
1. a kind of draining board construction method for Tidal Flat Inning Area processing, it is characterised in that comprise the following steps：
(a) surveying and locating：Construction area is divided into unit, carries out cell block surveying and locating with theodolite and spirit level, then
Control stake is got in each unit according to the beginning and end pile No. that design drawing provides, route Center stake is released every 5~10m, according to
The width set releases skirt piles and fender pile；
(b) place flattens：The method that road roller rolls is bulldozed using wet land type bull-dozer, by the trees in boundary of works area, debris
To clean out, excessively soft region is smooth using giant, and excavates gutter, center section in length and breadth and be higher by 30cm than surrounding,
By yard drain drainage；
(c) setting cushion：Before Base with Sand Gravel Cushion laying, first in one layer of argillaceous rocks of earth's surface place mat, reserve certain " camber ", i.e., it is middle
Thickness, both sides are thin, then lay Base with Sand Gravel Cushion, and Base with Sand Gravel Cushion gross thickness is 60cm, point two layers of making, first layer laying 25cm, so
Injection drain bar afterwards, remaining 35cm is then laid, and be compacted using 60~80kN static pressure type road rollers, ensure compactness
Reach more than 95%；
(d) stake position setting-out：First according to design given treated length, width and plate away from the row and columns for calculating laying,
The figure that lays out pile is drawn according to result of calculation, is numbered from 1, indicates the numbering of arrangement, the axis per campshed should be in route
Heart line, it is normal direction on curve, while draws when the figure that lays out pile hands over workmen to set and use, per injection one on the diagram
Relevant position marks, and according to the figure that lays out pile, is inserted on the stake position of the first layer Base with Sand Gravel Cushion laid with the 12cm reinforcing bars of φ 6 grown
Enter, release specific stake position, mark is made in the red spray painting in stake top portion；
(e) drain bar is laid：The symmetrical laying sleeper under drain bar track, adjacent rail sleepers are smaller than 0.8m, and staff drives
Crawler type board-plugging device is sailed to construction area, steel plate is laid under crawler belt, two neighboring drain bar passes through T-shaped link slot and T-shaped company
The matching of fitting, screens combination connection is carried out, then the drain bar after assembling is loaded to the reel of piling machine, be incorporated into intubation,
Drain bar is drawn from the termination of intubation, turned back, then wears back in intubation and tenses, drain bar installation is completed, is stayed in advance in intubation
Lower red-label opens vibration and intubation align piles position is pressed into ground, will be inserted after reaching predetermined design depth as projected depth
Pipe is extracted, and intubation pulls up the pore stayed afterwards, is filled with sand gravel；
(f) clear up and cut：Then the wrench mud of exposed drain bar is cleared up, and is tamped with sand, then by the table of Base with Sand Gravel Cushion
Face is struck off, and drain bar is cut beyond the part of Base with Sand Gravel Cushion, is allowed to maintain an equal level with sand bedding course top surface, ensures to stretch at the top of drain bar
Enter Base with Sand Gravel Cushion at least 20cm, it is penetrated with sand bedding course, then move on to next spiling position, repeat above-mentioned laying drain bar and move
Make；
(g) fill sand and fill out hole：The gap formed between adjacent drainage channel plate is dug out totally, backfilled with sand gravel, and backfill construction
The hole of middle formation is recessed, righting drain bar when filling out hole, controls the levelness deviation of drain bar to be less than 5cm, at the same at backfill with quiet
Pressure type road roller is compacted, and ensures that compactness reaches more than 90%；
(h) geotextiles are laid：After hole compacting is filled out, geotextiles are re-layed, geotextiles are laterally laid, the laying road of geotextiles
Line direction and the making of first layer filler are in opposite direction, and later layer geotextiles are pressed in preceding layer geotextiles, adjacent geotextiles
The lap of splice is more than 25cm, and the engineering time extends, the Site Soil capping protection thick 20cm on geotextiles upper berth；
(i) plastic film mulch is evacuated：One layer of diaphragm seal is laid in geotextiles, the ground under diaphragm seal is taken out with vacuum air pump
Gas, until vacuum stops after reaching design requirement, soil is then backfilled, staff drives static pressure type road roller and carried out finally
Compacting；
(j) settlement observation plate is buried：A length of 1m timber is buried in processing soft soil location as sedimentation observing mark, in Lu Zhizheng
Bottom sets sedimentation plate, with the depth of fill increase spreading observe bar, sedimentation plate embedment Base with Sand Gravel Cushion in, from roadbed bottom 10~
15cm, observation bar are stretched out outside geotextiles, upper set φ 20 vinyl tube, a settlement observation are done after having buried, later every
One layer of soil is filled out, then is observed once, and is made a record in time.
A kind of 2. draining board construction method for Tidal Flat Inning Area processing according to claim 1, it is characterised in that：Step
Suddenly then sand gravel is stacked at outside construction area, then transported with light transport vehicle using light vehicle transport gravel in (c)
Enter in construction area, gravel, which paves, to be accomplished uniform, smooth, forms two-way horizontal slope.
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| CN201610211665.6A CN105862710B (en) | 2016-04-06 | 2016-04-06 | A kind of drain bar and construction method for Tidal Flat Inning Area processing |
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|---|---|---|---|
| CN201610211665.6A CN105862710B (en) | 2016-04-06 | 2016-04-06 | A kind of drain bar and construction method for Tidal Flat Inning Area processing |
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| CN105862710B true CN105862710B (en) | 2018-01-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029654A (en) * | 2019-04-12 | 2019-07-19 | 杭州知桔科技有限公司 | Bilateral symmetry adjustable plastic drain bar board plug device |
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| CN106382923B (en) * | 2016-08-22 | 2018-10-19 | 紫金矿业集团股份有限公司 | A kind of mining road laying out stake and its setting out method |
| CN106835956B (en) * | 2017-03-28 | 2018-08-31 | 交通运输部公路科学研究所 | Abutment Back bankets embedded rigid porous disc |
| CN107820767B (en) * | 2017-11-16 | 2021-11-23 | 江苏省农业科学院 | Method for quickly improving soil by combining reclamation shoal planting and breeding |
| CN108193664A (en) * | 2017-11-28 | 2018-06-22 | 安徽万安塑料制品有限公司 | A kind of high intensity drain bar |
| CN108374407B (en) * | 2018-04-28 | 2024-04-19 | 黄河水利职业技术学院 | Replaceable filter box interlocking extensible cover rearranged water body and construction method thereof |
| CN108978628A (en) * | 2018-07-23 | 2018-12-11 | 安徽中路工程材料有限公司 | High-strength waterproof antiskid drain bar |
| CN109137881A (en) * | 2018-10-15 | 2019-01-04 | 安徽中路工程材料有限公司 | Cross reinforcement wear-resisting type drainage module |
| CN109736413A (en) * | 2019-03-19 | 2019-05-10 | 农安隆兴土工材料有限公司 | A kind of integral type guarded drainage water storage board |
| CN111021332B (en) * | 2019-12-13 | 2021-08-10 | 诚通凯胜生态建设有限公司 | Construction method for soft foundation treatment |
| CN114381978A (en) * | 2022-01-28 | 2022-04-22 | 山东大学 | Roadbed drainage device and roadbed structure |
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