CN106088097B - Construction method and fog chute device for delivering concrete under gentle slope and abrupt slope - Google Patents
Construction method and fog chute device for delivering concrete under gentle slope and abrupt slope Download PDFInfo
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- CN106088097B CN106088097B CN201610529745.6A CN201610529745A CN106088097B CN 106088097 B CN106088097 B CN 106088097B CN 201610529745 A CN201610529745 A CN 201610529745A CN 106088097 B CN106088097 B CN 106088097B
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- elephant trunk
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- hopper
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 241000406668 Loxodonta cyclotis Species 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000004744 fabric Substances 0.000 claims abstract description 27
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 31
- 239000010959 steel Substances 0.000 claims description 31
- 239000004033 plastic Substances 0.000 claims description 23
- 229920003023 plastic Polymers 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 12
- 239000004568 cement Substances 0.000 claims description 8
- 241000209094 Oryza Species 0.000 claims description 7
- 235000007164 Oryza sativa Nutrition 0.000 claims description 7
- 235000009566 rice Nutrition 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000003595 mist Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 239000002002 slurry Substances 0.000 claims 1
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 238000005086 pumping Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 240000009087 Crescentia cujete Species 0.000 description 1
- 235000005983 Crescentia cujete Nutrition 0.000 description 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004540 pour-on Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of construction method and fog chute device for delivering concrete under gentle slope and abrupt slope, 3 60 6 meters of long straight tubes of section connect into elephant trunk by flange, axial flow blower is installed on the first segment straight tube of elephant trunk top, fog generator is installed on each section straight tube；Elephant trunk top first segment straight tube upper end slips straight tube by flange bridge piece under the connection of hopper discharging opening, under slip in straight tube insertion bend pipe；Hopper is erected on hopper base, and water tank is set on hopper base, draws water pipe from water tank, water pipe is connected one by one with fog generator；Elephant trunk tail end final section straight tube is connected by flange with tremie pipe one end, a hanger is welded with tremie pipe outer layer pipe, cloth sleeve pipe is enclosed on tremie pipe, present device small investment, operating cost are low, cost saving, durable, fault rate is low, save the duration.
Description
Technical field
The invention belongs to the realm of building construction, is related to the construction method and fog for delivering concrete under gentle slope and abrupt slope
Chute device.Particularly box culvert, channel, inverted-siphon, water-supply-pipe during the field work such as water conservancy, electric power, mine, agricultural irrigation
The basis of concrete structures under the slopes such as road, underplate concrete, short concrete structures pour.Equipment investment is few, operation
Expense is low, cost saving, durable, fault rate is low, save the duration.
Background technology
At present at basis under the construction such as water conservancy, electric power, mine industry pours heavy grade and structures concrete, because
The gradient is excessive（The needs of stability of slope）, can not directly repair the roads（Or expense is very big）To pouring location, water conservancy industry is generally adopted
With the method repaired the roads under cheating or neighbouring method power industry then uses elephant trunk.During using the method repaired the roads, investment is significantly
Improve, it is sometimes even infeasible.Elephant trunk method because inner-walls of duct need slip send before soak, slip and send the time to grow rear mortar to exist
Solidification caused by when the solidification of above inner-walls of duct and left and right or higher temperature, which causes to slip, send failure, simultaneously as concrete is from stirring
It is longer to mix the time slipped between sending, cause concrete slump loss exceeded as defined in specification through when slump-loss value.
Also have pumped using pump truck, the method that material distributing machine cloth puts in storage, but pumping method need repair the roads, while need to concrete according to
The specification of pumping, which carries out the gel material content such as mix Design, cement, must reach 300kg/m3More than, add
Construction investment, simultaneous pumping concrete pumping must smoothly increase water-cement ratio, cause the loss that concrete strength is larger, Er Qienai
Long property is poor.The investment of material distributing machine method is larger, and apart from it is remote when just do not apply to.Now use the method that chute is directly put in storage most
It is feasible also most economical, but at present elephant trunk it is usually used be steel pipe, easily abrasion, heaviness be not easy displacement, discharging opening fix not
Beneficial to cloth, and pipeline must be soaked with water before use, now easily be spread to pour on face by eaves gutter, if earth foundation is just
Base surface can be caused unqualified.And steel pipe necessarily be in a kind of straight line angle, installation accuracy requires very high, is not otherwise production
Raw plugging is exactly to produce isolation.When producing concrete disintegration, the slump of concrete can only be adjusted, and from the linearity of steel pipe
It is then very troublesome with being adjusted in angle.
The content of the invention
It is an object of the invention to for above technical deficiency, there is provided a kind of for delivering concrete under gentle slope and abrupt slope
Construction method and fog chute device.Equipment investment is few, operating cost is low, cost saving, durable, fault rate is low, save
Duration.
To achieve the above object, adopt the following technical scheme that：
A kind of fog chute device for delivering concrete under gentle slope and abrupt slope, including hopper, under slip straight tube, bend pipe,
Straight tube, tremie pipe, it is characterised in that：3-60 section rice is long（Nominal diameter DN125mm-DN350mm）Straight tube, connected into by flange
Elephant trunk, leakproof rubber cushion is fitted between flange, axial flow blower is installed on the first segment straight tube of elephant trunk top, pacified on each section straight tube
Equipped with fog generator；
Elephant trunk top first segment straight tube upper end is by flange bridge piece, and bend pipe diameter is identical with straight tube, bent arc radius
R300mm-R2000mm, arc length 400mm-3000mm；
Hopper discharging opening connection under slip straight tube, under slip straight tube nominal diameter DN100mm-DN300mm, length 500mm-
2000mm, under slip 60 degree -85 of straight tube horizontal sextant angle degree, under slip in straight tube insertion bend pipe；Hopper is erected on hopper base, hopper
Water tank is set on support, draws water pipe from water tank, water pipe is connected one by one with fog generator；
Elephant trunk tail end final section straight tube is connected by flange with tremie pipe one end, and tremie pipe is plastic-steel products compound tube,
Internal layer is PE or PP plastics, and outer layer is steel, and tremie pipe inner layer plastic tube nominal diameter is identical with straight tube, and outer layer pipe rolls chi
It is very little to be interference fitted with inner layer plastic tube external diameter, a hanger is welded with tremie pipe outer layer pipe, cloth sleeve pipe is enclosed on tremie pipe,
Cloth sleeve pipe is steel pipe, nominal diameter DN150mm-DN400mm, length 3-9 rice, and cloth sleeve pipe is provided with width 15mm- vertically
30mm grooves, length 2.8-8.8 rice.
A kind of construction method for delivering concrete under gentle slope and abrupt slope, its step are：
A, elephant trunk is made：By the plastic tube purchased or the good flange of steel pipe melting welding, pipe inside weld is polished；Wherein it is used for elephant trunk
The branch pipe being welded on the first segment straight tube on top for connection of axial flow fan, each save are welded on straight tube for connecting fog
The branch pipe of device；
B, earth anchor is squeezed into：Angle steel is squeezed on road on the transversal line slope of arrangement elephant trunk, is used as earth anchor；
Hawser is installed C,：The flexible steel wire on the upper flange bottom set for need first segment elephant trunk straight tube to be mounted, by cable
Rope is fixed on earth anchor.
D, elephant trunk is installed：According to the slope excavating gradient（1：0.5；1：1；1：1.5；1：2 or the reality between above-mentioned slope ratio
Border slope ratio）, prolong domatic arrangement installation plastic tube or steel pipe on the transversal line for need casting concrete（Either plastic tube and steel
Pipe mixes, that is, is needing the place for adjusting conduit slope to arrange plastic tube）, connected using flange between pipeline, matched somebody with somebody between flange
Fill leakproof rubber cushion；
Supporting trolley is installed E,：It is longer in side slope, when being disposed with packway in the middle part of slope, the good and sound supporting trolley on packway；
F, hopper mounting platform is excavated：On elephant trunk top, the top elevation of first segment straight tube digs 1.25m*1.25m platform,
Hopper base is set on platform；
Bend pipe is installed G,：Bend pipe is installed in the first segment straight tube upper end on elephant trunk top；
H, install hopper and under slip straight tube：Hopper be arranged on hopper base on, hopper discharging opening connection under slip straight tube, under slip
75 degree -85 of straight tube horizontal sextant angle degree, under slip in straight tube insertion bend pipe, and adjust the height of hopper in 1.5m-3m；
Water tank is installed I,：Water tank is installed on hopper base；
Tremie pipe and cloth sleeve pipe are installed J,：Elephant trunk tail end final section straight tube is connected by flange with tremie pipe one end,
Cloth sleeve pipe is enclosed on tremie pipe, and the hanger on tremie pipe is connected by suspension hook with the electric block on walking door frame, passes through row
Movable and electric block the lifting moving tremie pipe of door frame is walked, and the extension and contraction control cloth for passing through cloth sleeve pipe is remote
Closely；
Fog generator is installed K,：Fog generator is installed on the branch pipe welded in advance on straight tube, water is drawn from water tank
Pipe, water pipe are connected one by one with fog generator；
Axial flow blower is installed L,：Axial flow blower is installed on the branch pipe that first segment straight tube welds in advance on elephant trunk top；
Cable is installed M,：Cable is loaded onto on fog generator and axial flow blower；
N, examination is slipped：Examination is slipped and the rubber cement that the mix Design parameter sent is prepared is slipped using plan（It is during without admixture
Mortar）, before examination are slipped, fog generator and axial flow blower are opened, allows fog to be full of pipeline, and keep moisture state；It is wet in pipeline
After profit, the rubber cement prepared is subjected to examination and slipped（Examination can close axial flow blower when slipping）；
O, adjust：The gradient is too slow when slipping motionless or plugging, first adjusts the linearity of pipeline, pipeline is kept straight line, then adjust
The vertical angle of straight tube is slipped under whole, while adjusts the height of hopper and bend pipe top, or the first segment upper end by elephant trunk straight tube
Portion raises, and improves material initial velocity, is slipped under being easy to；When material produces isolation, middle part, the middle and lower part of padded elephant trunk, or in the gradient
When too steep, pipeline can be put into S molded line, or it is 30 degree of -60 degree of horizontal sextant angle that the vertical angle of straight tube 2 is slipped under adjustment.
It is 1 that the construction method, which is applied to the gradient,：2-1：0.5（21.800-63.430）.
The construction method is applied to length of grade 50m-350m.
Beneficial effects of the present invention are as follows compared with prior art：
1, the long-term wet channels inwall of fog is used in elephant trunk, is reduced the frictional resistance slipped under material, has been reached low
In 300 The effect of delivering concrete under slope, at the same overcome can not directly plus water compensation slump-loss the drawbacks of；
2, elephant trunk uses plastic tube（PE, PP pipe etc.）Slight S can be arranged to or plastic tube is combined with steel pipe, during abrupt slope
Type pipe, solves the problems, such as aggregate segregation during abrupt slope, while lower end can be lifted and be swung, and both solve reduction discharging section
The problem of material speed, voluntarily cloth is also achieved, solve the problems, such as that elephant trunk is unable to cloth；
3, construct the intermittent phase, be not required to wash pipe in 10h, water profit pipe need not be used during beginning, labor intensity is both alleviated, also solve
Base surface can not have the problem of water；
4, trucd mixer can directly under expect hopper, hopper and the height of bend pipe upper port can voluntarily be adjusted, avoided
The problem of Uneven road causes aggregate bin to be higher than trucd mixer discharging opening；
5, a chain-wales, hopper and water tank are excavated out in place during gentle slope directly in side slope upper shed with digging machine, letter
Folk prescription just, is not necessary to fill or make discharging platform at gentle slope, solves the problems, such as to improve initial velocity during gentle slope；
6, by the adjustment in step, cover 1：2-1：0.5（21.800-63.430）Side slope in the case of elephant trunk mix
Solidifying soil conveying scope, have also been enlarged the use range of elephant trunk technology；
7, during using plastic tube, overall weight is light, and slope upper tube road manually can be adjusted and moved, the water consumption of fog device
Also very little, will not be limited by field condition.
8, supporting trolley track is made of channel-section steel, is easy to artificial movement.
9, abrupt slope slips straight tube and tilts 70 at present0-850, fallen immediately close to tube wall when material falls, and it is smooth along bend pipe
Flow forward, avoid the segregation phenomenon that rebounded caused by falling behind excessive velocities under straight line.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention
Wherein：1- hoppers, slip straight tube under 2-, 3- bend pipes, 4- flanges, 5- axial flow blowers, 6- straight tubes, 7- fog generators,
8- joint steel pipes, 9- water tanks, 10- water pipes, 11- supporting trolleys, 12- hangers, 13- tremie pipes, 14- cloth sleeve pipes, the electronic calabashes of 15-
Reed, 16- mobile holders.
Embodiment
A kind of fog chute device for delivering concrete under gentle slope and abrupt slope, including hopper 1, under slip straight tube 2, bend pipe
3rd, straight tube 6, tremie pipe 13, it is characterised in that：3-60 sections are 6 meters long（Nominal diameter DN125mm-DN350mm）Straight tube 6, passes through method
Orchid connects into elephant trunk, and leakproof rubber cushion is fitted between flange, and axial flow blower 5 is provided with elephant trunk top first segment straight tube 6, each
Fog generator 7 is installed on section straight tube 6；
The upper end of elephant trunk top first segment straight tube 6 is by flange bridge piece 3, and the diameter of bend pipe 3 is identical with straight tube 6, curved arc half
Footpath R300mm-R2000mm, arc length 400mm-3000mm；
The discharging opening of hopper 1 connection under slip straight tube 2, under slip straight tube 2 nominal diameter DN100mm-DN300mm, length 500mm-
2000mm, under slip 60 degree -85 of 2 horizontal sextant angle of straight tube degree, under slip straight tube 2 and insert in bend pipe 3；Hopper 1 is erected on hopper base,
Water tank 9 is set on hopper base, draws water pipe 10 from water tank 9, water pipe 10 is connected one by one with fog generator 7；
Elephant trunk tail end final section straight tube 6 is connected by flange with the one end of tremie pipe 13, and tremie pipe 13 is plastic-steel products group
Pipe is closed, internal layer is PE or PP plastics, and outer layer is steel, and the inner layer plastic tube nominal diameter of tremie pipe 13 is identical with straight tube 6, outer layer steel
Pipe rolls size and is interference fitted with inner layer plastic tube external diameter, and a hanger 12, cloth sleeve pipe are welded with the outer layer pipe of tremie pipe 13
14 are enclosed on tremie pipe 13, and cloth sleeve pipe 14 is steel pipe, nominal diameter DN150mm-DN400mm, length 3-9 rice, cloth sleeve pipe
14 are provided with width 15mm-30mm grooves, length 2.8-8.8 rice vertically.
A kind of construction method for delivering concrete under gentle slope and abrupt slope, its step are：
A, elephant trunk is made：By the plastic tube purchased or the good flange of steel pipe melting welding, pipe inside weld is polished；Wherein it is used for elephant trunk
The branch pipe being welded on the first segment straight tube 6 on top for connection of axial flow fan 5, each save are welded on straight tube 6 for connecting fog
The branch pipe of generator；
B, earth anchor is squeezed into：Angle steel is squeezed on road on the transversal line slope of arrangement elephant trunk, is used as earth anchor；
Hawser is installed C,：The flexible steel wire on the upper flange bottom set for need first segment elephant trunk straight tube to be mounted, by cable
Rope is fixed on earth anchor.
D, elephant trunk is installed：According to the slope excavating gradient（1：0.5；1：1；1：1.5；1：2 or the reality between above-mentioned slope ratio
Border slope ratio）, prolong domatic arrangement installation plastic tube or steel pipe on the transversal line for need casting concrete（Either plastic tube and steel
Pipe mixes, that is, is needing the place for adjusting conduit slope to arrange plastic tube）, connected using flange between pipeline, matched somebody with somebody between flange
Fill leakproof rubber cushion；
Supporting trolley 11 is installed E,：It is longer in side slope, when being disposed with packway in the middle part of slope, the good and sound supporting trolley on packway
11；
F, hopper mounting platform is excavated：On elephant trunk top, the top elevation of first segment straight tube 6 digs the flat of 1.25m*1.25m
Platform, hopper base is set on platform；
Bend pipe 3 is installed G,：Bend pipe is installed in the upper end of first segment straight tube 6 on elephant trunk top；
H, install hopper 1 and under slip straight tube 2：Hopper 1 is arranged on hopper base, and straight tube is slipped under the connection of the discharging opening of hopper 1
2, under slip 75 degree -85 of 2 horizontal sextant angle of straight tube degree, under slip straight tube 2 and insert in bend pipe 3, and adjust the height of hopper 1 in 1.5m-
3m；
Water tank 10 is installed I,：Water tank 10 is installed on hopper base；
Tremie pipe 13 and cloth sleeve pipe 14 are installed J,：Elephant trunk tail end final section straight tube 6 passes through flange and tremie pipe 13 1
End connection, cloth sleeve pipe 14 are enclosed on tremie pipe 13, and the hanger 12 on tremie pipe 13 passes through suspension hook and the electricity on walking door frame 16
Dynamic cucurbit 15 connects, and by movable and electric block 15 the lifting moving tremie pipe 13 for door frame 16 of walking, and passes through cloth
Expect the distance of the extension and contraction control cloth of sleeve pipe 14；
Fog generator 7 is installed K,：Fog generator 7 is installed on the branch pipe welded in advance on straight tube 6, drawn from water tank 9
Outlet pipe 10, water pipe 10 are connected one by one with fog generator 7；
Axial flow blower 5 is installed L,：Axial flow blower is installed on the branch pipe that elephant trunk top first segment straight tube 6 welds in advance；
Cable is installed M,：Cable is loaded onto on fog generator 7 and axial flow blower 5；
N, examination is slipped：Examination is slipped and the rubber cement that the mix Design parameter sent is prepared is slipped using plan（It is during without admixture
Mortar）, before examination are slipped, fog generator and axial flow blower are opened, allows fog to be full of pipeline, and keep moisture state；It is wet in pipeline
After profit, the rubber cement prepared is subjected to examination and slipped（Examination can close axial flow blower when slipping）；
O, adjust：The gradient is too slow when slipping motionless or plugging, first adjusts the linearity of pipeline, pipeline is kept straight line, then adjust
The vertical angle of straight tube 2 is slipped under whole, while adjusts the height of hopper 1 and the top of bend pipe 3, or the first segment by elephant trunk straight tube 6
Upper end is raised, and is improved material initial velocity, is slipped under being easy to；When material produces isolation, middle part, the middle and lower part of padded elephant trunk, or
When the gradient is too steep, pipeline can be put into S molded line, or the vertical angle of straight tube 2 is slipped under adjustment as 30 degree -60 of horizontal sextant angle
Degree.
It is 1 that the construction method, which is applied to the gradient,：2-1：0.5（21.800-63.430）.
The construction method is applied to length of grade 50m-350m.
Claims (4)
1. a kind of fog chute device for delivering concrete under gentle slope and abrupt slope, including hopper（1）, under slip straight tube（2）, it is curved
Pipe（3）, straight tube（6）, tremie pipe（13）, it is characterised in that：3-60 saves 6 meters long, nominal diameter DN125mm-DN350mm straight tube
（6）Elephant trunk is connected into by flange, leakproof rubber cushion, elephant trunk top first segment straight tube are fitted between flange（6）On axle is installed
Flow fan（5）, each section straight tube（6）On fog generator is installed（7）；
Elephant trunk top first segment straight tube（6）Upper end passes through flange bridge piece（3）, bend pipe（3）Diameter and straight tube（6）It is identical, it is curved
Arc radius R300mm-R2000mm, arc length 400mm-3000mm；
Hopper（1）Straight tube is slipped under discharging opening connection（2）, under slip straight tube（2）Nominal diameter DN100mm-DN300mm, length
500mm-2000mm, under slip straight tube（2）60 degree -85 of horizontal sextant angle degree, under slip straight tube（2）Insert bend pipe（3）It is interior；Hopper（1）Frame
It is located on hopper base, water tank is set on hopper base（9）, from water tank（9）Draw water pipe（10）, water pipe（10）Occur with fog
Device（7）Connect one by one；
Elephant trunk tail end final section straight tube（6）Pass through flange and tremie pipe（13）One end connects, tremie pipe（13）For plastic-steel products
Compound tube, internal layer are PE or PP plastics, and outer layer is steel, tremie pipe（13）Inner layer plastic tube nominal diameter and straight tube（6）It is identical,
Outer layer pipe rolls size and is interference fitted with inner layer plastic tube external diameter, tremie pipe（13）A hanger is welded with outer layer pipe
（12）, cloth sleeve pipe（14）It is enclosed on tremie pipe（13）On, cloth sleeve pipe（14）For steel pipe, nominal diameter DN150mm-DN400mm,
Length 3-9 rice, cloth sleeve pipe（14）Width 15mm-30mm grooves, length 2.8-8.8 rice are provided with vertically.
2. a kind of construction method for delivering concrete under gentle slope and abrupt slope, its step are：
A, elephant trunk is made：By the plastic tube purchased or the good flange of steel pipe melting welding, pipe inside weld is polished；Wherein it is used for elephant trunk top
First segment straight tube（6）On be welded for connection of axial flow fan（5）Branch pipe, each section straight tube（6）On be welded for connecting mist
The branch pipe of gas generator；
B, earth anchor is squeezed into：Angle steel is squeezed on road on the transversal line slope of arrangement elephant trunk, is used as earth anchor；
Hawser is installed C,：The flexible steel wire on the upper flange bottom set for need first segment elephant trunk straight tube to be mounted, hawser is consolidated
It is scheduled on earth anchor；
D, elephant trunk is installed：According to the slope excavating gradient, the gradient is 1：0.5 or 1：1 or 1：1.5 or 1：2 or between above-mentioned slope
Actual slope ratio than between, the either modeling of plastic tube or steel pipe is installed along domatic arrangement on the transversal line for need casting concrete
Expects pipe mixes with steel pipe, that is, is needing the place for adjusting conduit slope to arrange plastic tube, connected between pipeline using flange, flange
Between be equipped with leakproof rubber cushion；
Supporting trolley is installed E,（11）：It is longer in side slope, when being disposed with packway in the middle part of slope, the good and sound supporting trolley on packway
（11）；
F, hopper mounting platform is excavated：In elephant trunk top first segment straight tube（6）Top elevation dig 1.25m*1.25m platform,
Hopper base is set on platform；
Bend pipe is installed G,（3）：First segment straight tube on elephant trunk top（6）Upper end installs bend pipe；
Hopper is installed H,（1）Straight tube is slipped with（2）：Hopper（1）On hopper base, hopper（1）Slipped under discharging opening connection
Straight tube（2）, under slip straight tube（2）75 degree -85 of horizontal sextant angle degree, under slip straight tube（2）Insert bend pipe（3）It is interior, and adjust hopper（1）
Height in 1.5m-3m；
Water tank is installed I,（9）：Water tank is installed on hopper base（9）；
Tremie pipe is installed J,（13）With cloth sleeve pipe（14）：Elephant trunk tail end final section straight tube（6）Pass through flange and tremie pipe
（13）One end connects, cloth sleeve pipe（14）It is enclosed on tremie pipe（13）On, tremie pipe（13）On hanger（12）Pass through suspension hook and row
Walk door frame（16）On electric block（15）Connection, passes through door frame of walking（16）Movable and electric block（15）Lifting
Mobile tremie pipe（13）, and pass through cloth sleeve pipe（14）Extension and contraction control cloth distance；
Fog generator is installed K,（7）：In straight tube（6）On fog generator is installed on the branch pipe that welds in advance（7）, from water tank
（9）Draw water pipe（10）, water pipe（10）With fog generator（7）Connect one by one；
Axial flow blower is installed L,（5）：In elephant trunk top first segment straight tube（6）Axial flow blower is installed on the branch pipe welded in advance；
Cable is installed M,：In fog generator（7）And axial flow blower（5）On load onto cable；
N, examination is slipped：Examination slips the rubber cement that use plan to slip the mix Design parameter preparation sent or during without admixture for sand
Slurry, before examination is slipped, fog generator and axial flow blower are opened, allows fog to be full of pipeline, and keep moisture state；It is moistened in pipeline
Afterwards, the rubber cement prepared is carried out into examination to slip, examination can close axial flow blower when slipping；
O, adjust：The gradient is too slow when slipping motionless or plugging, first adjusts the linearity of pipeline, pipeline is kept straight line, then adjust down
Slip straight tube（2）Vertical angle, while adjust hopper（1）With bend pipe（3）The height on top, or by elephant trunk straight tube（6）
One section upper end is raised, and is improved material initial velocity, is slipped under being easy to；When material produces isolation, middle part, the middle and lower part of padded elephant trunk,
Or when the gradient is too steep, pipeline is put under S molded line, or adjustment and slips straight tube（2）Vertical angle be 30 degree -60 of horizontal sextant angle
Degree.
A kind of 3. construction method for delivering concrete under gentle slope and abrupt slope as claimed in claim 2, it is characterised in that：Institute
It is 1 that construction method, which is stated, suitable for the gradient：2-1：0.5 i.e. 21.800-63.430。
A kind of 4. construction method for delivering concrete under gentle slope and abrupt slope as claimed in claim 2, it is characterised in that：Institute
State construction method and be applied to length of grade 50m-350m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110984577B (en) * | 2019-12-21 | 2021-07-20 | 河南昊锦建设集团有限公司 | Concrete pouring system |
| CN111396676B (en) * | 2020-04-27 | 2024-04-12 | 南京晨光东螺波纹管有限公司 | Displacement compensation device of arc-shaped heat pipe and installation method thereof |
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