CN110485377A - A kind of light section canal lining construction method - Google Patents
A kind of light section canal lining construction method Download PDFInfo
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- CN110485377A CN110485377A CN201910642601.5A CN201910642601A CN110485377A CN 110485377 A CN110485377 A CN 110485377A CN 201910642601 A CN201910642601 A CN 201910642601A CN 110485377 A CN110485377 A CN 110485377A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/02—Making or lining canals
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Abstract
The present invention discloses a kind of light section canal lining construction method, comprising: step 1, surveying and locating measures setting-out according to the excavation channel plan-position that design drawing provides；Step 2, channel fills, and channel, which is filled, arranges earth excavation using nearest field lattice, fills out by level course paving；Step 3: channel excavates, and once excavates molding using backhoe equipment；Step 4: cushion construction sets the sand-stone cushion of 5cm in the channel bottom heap for excavating completion, paves operation in progress sand-stone cushion；Step 5: canal lining carries out concreting in such a way that integrally forming machine lining cutting cooperates artificial lining cutting；Step 6: receiving face maintenance, after the completion of the lining cutting for excavating channel, artificial press polish is carried out to the surface of channel and receives face, 18-24h should be conserved after concreting.Construction method of the present invention passes through the construction procedure of cushion construction and canal lining, effectively prevents the leakage of channel.
Description
Technical field
The present invention relates to Open Channel Construction technical fields, and in particular to a kind of light section canal lining construction method.
Background technique
Currently, there are mainly two types of methods for central line tunnel concrete lining in south construction: artificial lining cutting and coffering machine construction, artificial lining cutting packet
Containing basic surface treatment, installation template, concrete construction and demoulding process, needing that storehouse is adjusted to construct, artificial lining cutting needs more manpower,
A large amount of templates are expended simultaneously, and generate waste when last storehouse on duty is constructed, and construction quality is difficult to ensure.
Coffering machine uses sliding mode technology, and template is installed, manually flattens, vibrate, the multiple processes in receipts face pass through the equipment one
Secondary completion, while realizing continuous construction.Consider from materials'use, eliminates the use of template, saved timber, coffering machine
Continuous construction avoids the waste of concrete；Due to using typified form in quality, it ensure that the size for section of constructing is consistent, and
And concrete vibrating the problems such as being continuously not in leakage.
But the technical solution constructed using synovial membrane, it is suitble to relatively uniform channel soil body environment, in addition, using coagulation
The channel of native lining construction often generates infiltration phenomenon in actual use process.
For example, the patent application document that Chinese invention patent application number is CN201510396372.5 discloses a kind of municipal administration
Road passes through the construction method of river embankment or irrigation canals and ditches, it is characterised in that includes the following steps:
Step 1: building cofferdam, required according to technique, cofferdam water retaining is carried out to river or irrigation canals and ditches two sides；To river two sides
Cofferdam water retaining is carried out, upstream and downstream or road in river pass through the two sides in pool, stream, build cofferdam；It is put into water pump, is arranged
Except the ponding between cofferdam, infiltration；
The construction of second step temporary road, requires according to technique, one or two cofferdam is built as temporary road, convenient for applying
Working hour vehicle, personnel are current；When build, the 300-600mm thickness soil bodys, same wide, layering at the top of width and cofferdam are spread in cofferdam top surface
It rolls, every thickness degree is no more than 200mm；
Third step Dewatering, requires according to technique, the ponding between two cofferdam is reduced, convenient for applying for next step
Work；
4th step earth excavation, requires according to technique, carries out earth excavation to cofferdam interior zone, excavates deep to design
Degree；And according to the Deep Foundation Pit axis of design drawing, notch position is determined, excavate the foundation trench that pipe laying needs；
5th step Pipe installing will be in Pipe installing to foundation trench according to production engineering specifications；
6th step trench backfill: will be between two cofferdam according to the needs for building town road according to production engineering specifications
Region completely or partially backfill；
7th step road construction: requiring according to technique, and road is built between cofferdam；
8th step canal lining: requiring according to technique, to progress lining cutting processing at the side slope of both sides of the road；
9th step cofferdam demolition: by cofferdam demolition；It is required according to technique, to road by conserving, after reaching curing requirements,
Remove cofferdam.
It is as above prior art discloses the construction method that a kind of town road passes through river embankment or irrigation canals and ditches, and above-mentioned existing skill
Art there is technical issues that channel.
Based on above-mentioned technical problem of the existing technology, the present invention combines the construction and design experiences proposition and one of many years
Kind light section canal lining construction method.
Summary of the invention
The present invention provides a kind of light section canal lining construction method, and the construction method is served as a contrast by cushion construction and channel
The construction procedure of block effectively prevents the leakage of channel.
In order to achieve the above objectives, the invention adopts the following technical scheme:
A kind of light section canal lining construction method, comprising:
Step 1, surveying and locating measures setting-out excavating channel plan-position, is defined with total station or theodolite
Heart guide pile and the stake of base slope boundary along the direction for excavating channel and are stamped Center stake in the position of scheduled spacing distance and are compiled
Number, a point height is measured with level, the sideline for excavating channel is determined further according to center line, is crossed and is indicated with pen machine；
Step 2, channel fills, and channel is filled using nearest consolidation earth excavation, fills out by level course paving；
Step 3: channel excavates, and molding is once excavated using backhoe equipment, using milling roller to the bottom surface and side of channel
It is rolled, sprays mono-composition poyurethane water-proof paint in the bottom surface of channel and side after the completion of rolling, then in the bottom surface of channel
With on side be laid with benzene plate layer, and on benzene plate layer be laid with composite geo-membrane layer；
Step 4: cushion construction sets the sand-stone cushion of 5cm in the channel bottom heap for excavating completion, is carrying out sandy gravel pad
Layer is paved in work progress, and sand-stone cushion includes three-decker from bottom to top, and three-decker is respectively the first of bottom
Blotter, the cobble bed course being laid on the first blotter and the sand-stone cushion being laid on cobble bed course, wherein the
The partial size of one blotter medium stone is 10-20mm, and the partial size of cobble is 25-50mm in cobble bed course；
Step 5: canal lining carries out concreting in such a way that integrally forming machine lining cutting cooperates artificial lining cutting；
Step 6: receiving face maintenance, after the completion of the lining cutting for excavating channel, light is received to the surface finisher plastering of channel, is poured mixed
In 18-24h after solidifying soil, maintenance work is carried out to the concrete poured.
It further, further include in the channel for rolling completion before spraying mono-composition poyurethane water-proof paint in step 3
The step of interior laying geotextiles.
Further, further include the steps that the channel surface completed to lining cutting is checked in step 5, leak outside to stone,
There is the channel surface of honeycomb and pitted skin locally to wrap up in slurry, then the repair mode with finisher press polish using high grade mortar.
Further, concrete includes: 40-50 parts of portland cement, 80-100 parts of aggregate, sand 45-55 in step 5
Part, 20-22 parts of waterglass, 5-15 parts of flyash, 40-80 parts of steel fibre, 2-3 parts of high performance water reducing agent of polyocarboxy acid and water 40-50
Part, above-mentioned each ingredient is by mass.
Further, in step 6, the method that concrete curing operation uses covering with ground sheeting makes U-shaped skeleton, is fixed on
Channel two sides, above plastic covering film, form enclosure space, when daily mean temperature is more than 10 degree or more, sprinkled water using sprinkler.
Further, further include the steps that carrying out joints cement pulp layer to sand-stone cushion in step 4.
Further, further include the steps that the channel face that split trenching is completed carries out secondary roll in step 3.
Further, Center stake is beaten along the excavation channel interval 50m of straight line, the excavation channel interval 5m along corner is followed closely
Stake.
Further, in step 3, further include the steps that digging channel corner protector space, channel corner protector space is located at excavation canal
The two sides in road section.
It further, further include using channel corner protector space described in concreting in step 4 or step 5.
Further, concrete includes: 40-50 parts of portland cement, 80-100 parts of aggregate, sand 45-55 in step 5
Part, 20-22 parts of waterglass, 5-15 parts of flyash, 40-80 parts of steel fibre, 2-3 parts of high performance water reducing agent of polyocarboxy acid, polycarboxylic acids are protected
Collapse 5-15 parts of agent, 5-10 parts of calcium nitrate, 5-10 parts of calcium carbonate, and 1-2 parts of air entraining agent, 1-2 parts of defoaming agent, 2-3 parts of carbon fiber and water
40-50 parts, above-mentioned each ingredient is by mass.
Compared with prior art, superior effect of the invention is:
1, light section canal lining construction method of the present invention is filled by being equipped with channel, channel excavates, pad
The construction procedure of layer construction, canal lining and the maintenance of receipts face is equipped with, and realizes the Seepage to channel, can be effective
Prevent the infiltration of channel；
2, light section canal lining construction method of the present invention by stone leakage, has the channel of honeycomb and pitted skin
Slurry and being equipped with the construction procedure of trowel press polish are locally wrapped up in using high grade mortar in surface, realize to molding lining cutting
Channel face is repaired, and ensure that the construction quality of lining construction.
3, light section canal lining construction method of the present invention, by digging channel corner protector space and concreting
The construction procedure in channel corner protector space is equipped with, and ensure that channel face is unlikely to deform, and extend the use of channel
Service life.
4, light section canal lining construction method of the present invention carries out joints cement to sand-stone cushion by setting
The step of pulp layer, realizes and carries out firm support to the concrete of lining cutting.
5, light section canal lining construction method of the present invention is laid with soil by being arranged in the channel for excavating and completing
The step of work cloth, keeps the anti-seepage effect of channel more preferable.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section in channel corner protector space in the embodiment of the present invention 2.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail, it should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
Embodiment 1
A kind of light section canal lining construction method, comprising:
Step 1, surveying and locating measures setting-out excavating channel plan-position, is defined with total station or theodolite
Heart guide pile and the stake of base slope boundary along the direction for excavating channel and are stamped Center stake in the position of scheduled spacing distance and are compiled
Number, a point height is measured with level, the sideline for excavating channel is determined further according to center line, is crossed and is indicated with pen machine；
Step 2, channel fills, and channel is filled using nearest consolidation earth excavation, fills out by level course paving；
Step 3: channel excavates, and molding is once excavated using backhoe equipment, using milling roller to the bottom surface and side of channel
It is rolled, sprays mono-composition poyurethane water-proof paint in the bottom surface of channel and side after the completion of rolling, then in the bottom surface of channel
With on side be laid with benzene plate layer, and on benzene plate layer be laid with composite geo-membrane layer；
Step 4: cushion construction sets the sand-stone cushion of 5cm in the channel bottom heap for excavating completion, is carrying out sandy gravel pad
Layer is paved in work progress, and sand-stone cushion includes three-decker from bottom to top, and three-decker is respectively the first of bottom
Blotter, the cobble bed course being laid on the first blotter and the sand-stone cushion being laid on cobble bed course, wherein the
The partial size of one blotter medium stone is 10-15mm, and the partial size of cobble is 15-30mm in cobble bed course；
Step 5: canal lining carries out concreting in such a way that integrally forming machine lining cutting cooperates artificial lining cutting；
Step 6: receiving face maintenance, after the completion of the lining cutting for excavating channel, light is received to the surface finisher plastering of channel, is poured mixed
In 18-24h after solidifying soil, maintenance work is carried out to the concrete poured.
Further include the steps that the channel surface completed to lining cutting is checked in step 5, to stone leakage, has honeycomb and fiber crops
The channel surface in face slurry, then the repair mode with trowel press polish are locally wrapped up in using high grade mortar.
In step 6, the method that concrete curing operation uses covering with ground sheeting makes U-shaped skeleton, is fixed on channel two sides,
Plastic covering film above forms enclosure space, when daily mean temperature is more than 10 degree or more, is sprinkled water using sprinkler.
Further include the steps that the channel face that split trenching is completed carries out secondary roll in step 3.
Excavation channel interval 50m along straight line beats Center stake, and the excavation channel interval 5m along corner follows closely stake.
In the step 2 of the present embodiment, carry out the natural building materials such as soil sand stone according to the principle gathered materials on the spot
The engineering that exploitation, charging, transport, discharging, paving dissipate, are compacted, fills earth material and loading machine and backhoe is mainly used to be had bad luck, manually
Cooperation paves, and smaller due to filling section, soil compaction mainly uses backhoe and hand steered vibratory plate compactor to be compacted, and rams
Pressure is oriented parallel to trench axis, is noted that canal dike must not fill in actual work progress and fills along slope, adjacent operation
Face connects to be connected using inclined-plane.Lift height and compacting parameter are determined according to field test.
In the step 3 of the present embodiment, for the excavation for carrying out ditch, canal trapezoidal cross-section of fast and high quality, customization and ditch
The steel plate of canal uniformity of type and back-hoe bucket welding realize that primary excavate forms, the poor position of local soil condition, hand fit into
Hang Gou, canal slope trimming.
In the step 5 of the present embodiment, when coffering machine works, 60 backhoes cooperation is artificial continuously to be mixed and stirred to feed inlet loading
Concrete, vibratory equipment works at the same time, canal lining section one-pass molding, and coffering machine remains a constant speed continuous work, walking speed
Degree control is adjusted in 1m/min or so in conjunction with on-site actual situations, guarantees effect of vibrating, and coffering machine has joint-cutting function,
Joint-cutting is done directly when pouring mixed soil.The working condition of running check lining carriage tamping equipment is answered during lining cutting, is such as found
Occur dew stone, honeycomb, pitted skin phenomenon on concrete surface after lining cutting, feed supplement is needed to vibrate again, to prevent leak-stopping vibration, when stopping up
It when material, need to manually flatten, coffering machine vibrates the concrete batching system that should keep sufficient before case, and material position should be higher than that bottom face 2 of vibrating
~3cm.
Concrete includes: 40-50 parts of portland cement, 80-100 parts of aggregate, 45-55 parts of sand, waterglass in step 5
20-22 parts, 5-15 parts of flyash, 40-80 parts of steel fibre, 2-3 parts of high performance water reducing agent of polyocarboxy acid, polycarboxylic acid slump retaining agent 5-15
Part, 5-10 parts of calcium nitrate, 5-10 parts of calcium carbonate, 1-2 parts of air entraining agent, 1-2 parts of defoaming agent, 2-3 parts of carbon fiber and 40-50 parts of water,
Above-mentioned each ingredient is by mass.
Be ready to beside canal when construction iron sheet several, stack concrete to guarantee concrete purity, also can avoid mixed
The loss waste for coagulating soil, if canal bed has dried soil before lining cutting, should first sprinkle water wet, to avoid the concrete slab poured because of water
Excessively loss surface is divided hair check occur.
Embodiment 2
As shown in Figure 1, further including the steps that digging channel corner protector space, channel corner protector space is located at excavation canal in step 3
The two sides in road section.
Further include the steps that in step 4 or step 5 using channel corner protector space described in concreting.
In the routine maintenance procedure of channel, due to earth's surface deformation or canal lining quality, often there is channel lining
The case where building concrete cracks, in order to solve the above technical problems, in the regional location for being easy to produce channel deformation, using in channel
Casting concrete is as concrete-lined structure is clamped in corner protector space, in canal lining, by channel and channel corner protector sky
Interior casting concrete is combined as a whole.As an improvement of this embodiment, the concrete that will be poured in channel corner protector space
It is changed to armored concrete, the another kind as the present embodiment improves, mixed for the ease of pouring in channel and channel corner protector space
Solidifying soil is combined as a whole, and after the completion of concreting in channel corner protector space, the hair stubble of concrete is brushed out using iron brush.This
Embodiment is only digging channel corner protector space and being defined using the step of channel corner protector space described in concreting, except such as
Except upper restriction, the present embodiment is in the same manner as in Example 1.
Embodiment 3
Further include the steps that carrying out joints cement pulp layer to sand-stone cushion in step 4.The cement slurry poured is conducive to sand ovum
One firm entirety of formation of stone bed course, to be supported to the concrete of lining cutting.The present embodiment only to sand-stone cushion into
The step of row joints cement pulp layer, is defined, and in addition to being defined as above, the present embodiment is in the same manner as in Example 1.
Embodiment 4
In the present embodiment, in order to further prevent the infiltration of channel, in step 3, mono-component polyurethane waterproof is sprayed
Before coating, further include the steps that being laid with geotextiles in the channel for rolling completion.The present embodiment is only excavating the channel completed
The step of interior laying geotextiles, is defined, and in addition to being defined as above, the present embodiment is in the same manner as in Example 1.
In the present embodiment, the geotextiles can be by screw fit screw elastic mounting on channel wall；The geotechnique
Cloth can also be by waterproof resin glue on channel wall；The geotextiles can also be by waterproof resin glue in conjunction with screw
It is fixed on channel wall.
The present invention is not limited to the above embodiments, and the above embodiments and description only describe of the invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these change and change
Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is defined by the following claims.
Claims (10)
1. a kind of light section canal lining construction method characterized by comprising
Step 1, surveying and locating, measures setting-out excavating channel plan-position, and it is fixed to define center with total station or theodolite
Position stake and the stake of base slope boundary along the direction for excavating channel and are stamped Center stake in the position of scheduled spacing distance and are numbered, and use
Level measures a point height, and the sideline for excavating channel is determined further according to center line, is crossed and is indicated with pen machine；
Step 2, channel fills, and channel is filled using nearest consolidation earth excavation, fills out by level course paving；
Step 3: channel excavates, and once excavates molding using backhoe equipment, is carried out using milling roller to the bottom surface of channel and side
It rolls, sprays mono-composition poyurethane water-proof paint in the bottom surface of channel and side after the completion of rolling, then in the bottom surface and side of channel
It is laid with benzene plate layer on face, and is laid with composite geo-membrane layer on benzene plate layer；
Step 4: cushion construction sets the sand-stone cushion of 5cm in the channel bottom heap for excavating completion, is carrying out sand-stone cushion
It paves in work progress, sand-stone cushion includes three-decker from bottom to top, and three-decker is respectively the first rubble of bottom
Bed course, the cobble bed course being laid on the first blotter and the sand-stone cushion being laid on cobble bed course, wherein first is broken
The partial size of stone bed course medium stone is 10-15mm, and the partial size of cobble is 15-30mm in cobble bed course；
Step 5: canal lining carries out concreting in such a way that integrally forming machine lining cutting cooperates artificial lining cutting；
Step 6: receiving face maintenance, after the completion of the lining cutting for excavating channel, light, casting concrete are received to the surface finisher plastering of channel
In 18-24h afterwards, maintenance work is carried out to the concrete poured.
2. light section canal lining construction method according to claim 1, which is characterized in that in step 3, spray one pack system
Before polyurethane water-proof paint, further include the steps that being laid with geotextiles in the channel for rolling completion.
3. light section canal lining construction method according to claim 1, which is characterized in that further include to lining in step 5
The step of channel surface finished building is checked to stone leakage, has the channel surface of honeycomb and pitted skin using high grade sand
Wrap up in slurry, then the repair mode with finisher press polish in slurry part.
4. light section canal lining construction method according to claim 1, which is characterized in that in step 6, concrete curing
The method that operation uses covering with ground sheeting, makes U-shaped skeleton, is fixed on channel two sides, above plastic covering film, it is empty to form closing
Between, when daily mean temperature is more than 10 degree or more, sprinkled water using sprinkler.
5. light section canal lining construction method according to claim 1, which is characterized in that further include to sand in step 4
Cobble bed course carries out the step of joints cement pulp layer.
6. light section canal lining construction method according to claim 1-5, which is characterized in that in step 3 also
Include the steps that the channel face that split trenching is completed carries out secondary roll.
7. light section canal lining construction method according to claim 6, which is characterized in that between the excavation channel of straight line
Center stake is beaten every 50m, the excavation channel interval 5m along corner follows closely stake.
8. light section canal lining construction method according to claim 1, which is characterized in that further include digging in step 3
The step of channel corner protector space, channel corner protector space are located at the two sides for excavating canal section.
9. light section canal lining construction method according to claim 8, which is characterized in that also wrapped in step 4 or step 5
The step of including using channel corner protector space described in concreting.
10. light section canal lining construction method according to claim 1, which is characterized in that concrete packet in step 5
Include: 40-50 parts of portland cement, 80-100 parts of aggregate, 45-55 parts of sand, 20-22 parts of waterglass, 5-15 parts of flyash, steel are fine
Tie up 40-80 parts, 2-3 parts of high performance water reducing agent of polyocarboxy acid, 5-15 parts of polycarboxylic acid slump retaining agent, 5-10 parts of calcium nitrate, calcium carbonate 5-10
Part, 1-2 parts of air entraining agent, 1-2 parts of defoaming agent, 2-3 parts of carbon fiber and 40-50 parts of water, above-mentioned each ingredient is by mass.
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| CN201910642601.5A CN110485377A (en) | 2019-07-16 | 2019-07-16 | A kind of light section canal lining construction method |
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| CN111424614A (en) * | 2020-03-26 | 2020-07-17 | 中电建十一局工程有限公司 | Rapid construction method for lining of small-sized section canal |
| CN111576347A (en) * | 2020-06-11 | 2020-08-25 | 浙江世润建创科技发展有限公司 | Cast-in-situ aqueduct maintenance device and construction method |
| CN111778941A (en) * | 2020-07-22 | 2020-10-16 | 湖北凯耀宏建设工程有限公司 | High-standard farmland channel construction method and structure |
| CN111778992A (en) * | 2020-07-01 | 2020-10-16 | 中电建十一局工程有限公司 | Construction method for crossing U-shaped channel section of old city building group area |
| CN114293515A (en) * | 2021-12-31 | 2022-04-08 | 广东中都建筑集团有限公司 | One-step forming construction method for cast-in-situ water channel of rolling type forming machine |
| CN114808859A (en) * | 2022-06-09 | 2022-07-29 | 陈利 | Concrete channel structure in northern alpine region and construction process |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424614A (en) * | 2020-03-26 | 2020-07-17 | 中电建十一局工程有限公司 | Rapid construction method for lining of small-sized section canal |
| CN111576347A (en) * | 2020-06-11 | 2020-08-25 | 浙江世润建创科技发展有限公司 | Cast-in-situ aqueduct maintenance device and construction method |
| CN111576347B (en) * | 2020-06-11 | 2022-02-15 | 浙江世润建创科技发展有限公司 | Cast-in-situ aqueduct maintenance device and construction method |
| CN111778992A (en) * | 2020-07-01 | 2020-10-16 | 中电建十一局工程有限公司 | Construction method for crossing U-shaped channel section of old city building group area |
| CN111778941A (en) * | 2020-07-22 | 2020-10-16 | 湖北凯耀宏建设工程有限公司 | High-standard farmland channel construction method and structure |
| CN114293515A (en) * | 2021-12-31 | 2022-04-08 | 广东中都建筑集团有限公司 | One-step forming construction method for cast-in-situ water channel of rolling type forming machine |
| CN114808859A (en) * | 2022-06-09 | 2022-07-29 | 陈利 | Concrete channel structure in northern alpine region and construction process |
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Application publication date: 20191122 |