CN111424614A - Rapid construction method for lining of small-sized section canal - Google Patents
Rapid construction method for lining of small-sized section canal Download PDFInfo
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- CN111424614A CN111424614A CN202010222764.0A CN202010222764A CN111424614A CN 111424614 A CN111424614 A CN 111424614A CN 202010222764 A CN202010222764 A CN 202010222764A CN 111424614 A CN111424614 A CN 111424614A
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- lining
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention belongs to the technical field of infrastructure engineering, and relates to a small-section canal lining rapid construction method, which comprises the following steps: the method has the advantages that the steps of lofting measurement, channel filling, channel excavation, cushion layer construction, channel lining, face collection maintenance and the like are performed, the construction progress is accelerated, the construction quality is improved, the construction cost is reduced, the construction progress and quality are improved, the construction cost is reduced, a plurality of procedures of template installation, manual leveling, vibration and face collection are completed at one time through the equipment, meanwhile, continuous construction is realized, the use of templates is eliminated from the material use consideration, wood is saved, and the waste of concrete is avoided in the continuous construction; the construction cross section is guaranteed to be consistent in size, and the problems of vibration leakage and the like cannot occur in the continuous concrete vibration.
Description
Technical Field
The invention belongs to the technical field of infrastructure engineering, and relates to a method for quickly constructing a small-section canal lining.
Background
At present, two methods are mainly used for channel concrete lining construction: and (5) constructing a manual lining and a lining machine. The artificial lining comprises the processes of foundation surface treatment, template installation, concrete construction and form removal, and needs warehouse adjustment construction. The manual lining requires more manpower, consumes a large number of templates, and is wasted during construction in the last cabin of the shift. The construction quality is difficult to guarantee.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a rapid construction method for a small-sized section canal lining.
In order to achieve the purpose, the invention adopts the following technical scheme: a lining rapid construction method for a small-sized section canal comprises the following steps:
(1) measuring and lofting:
measuring and lofting the plane position of the drainage ditch provided by a design drawing, defining a central positioning pile and a bottom slope boundary pile by using a total station or a theodolite, driving the central pile at the position of 50m interval, numbering, measuring pile point elevation by using a level gauge, determining the sideline of the drainage ditch according to the central line, and marking by using lime;
(2) channel filling:
the channel filling utilizes the nearby field grids to arrange and excavate earthwork, the earthwork is paved and filled according to a horizontal layer, and the parameters of the layering thickness and the compaction parameters are determined according to a field test; the filling soil is transported by a loader and a backhoe excavator, and is spread by manual cooperation, the compaction of the earthwork is carried out by the backhoe excavator and a hand-held vibrating plate compactor, the compaction direction is parallel to the axis of the ditch, the filling of the ditch bank avoids filling along the slope, and the adjacent working faces are connected by inclined planes;
(3) channel excavation:
the channel excavation is formed by adopting CAT220 back-shovel excavator one-step excavation, and the side slope of the ditch and the channel is trimmed by manual cooperation at the part with poor local soil condition;
(4) cushion layer construction:
a 5cm sand-gravel cushion layer is arranged at the bottom of the channel, sand-gravel is conveyed to a construction position through a tricycle, manually conveyed to the bottom of the channel, paved, leveled and compacted;
(5) canal lining:
the canal lining adopts a lining machine for concrete pouring, a mechanical lining part is not provided, manual lining is adopted, concrete is intensively mixed, and a tricycle is transported to the vicinity of an operation surface; the lining machine selects a self-propelled trapezoidal canal lining machine;
(6) dough collection and maintenance:
after the lining machine passes, carry out artifical press polish to partial channel surface and receive the face, receive the face job requirement and accomplish that the surface is level and smooth, no stone leaks outward, no honeycomb pitted surface, reach closely knit, level and smooth requirement, if the local appearance is few thick liquid, the honeycomb, pitted surface can mix the local thick liquid of wrapping up in high-grade mortar, press polish with the steel trowel.
Curing the concrete 18-24 h after pouring, manufacturing a U-shaped framework by adopting a mulching film covering method for curing, fixing the framework on two sides of the channel, covering plastic films on the framework to form a closed space, and properly sprinkling water on the surface according to the actual air temperature.
When the lining machine works, a backhoe excavator is matched with manpower to continuously load the mixed concrete into the feeding hole, the vibration equipment works simultaneously, and the lining section of the canal is formed at one time.
The lining machine keeps constant-speed continuous work, the walking speed is controlled to be about 1m/min, the adjustment is carried out by combining the actual situation on site, and the vibrating effect is ensured.
The working condition of the lining trolley vibrating device is required to be frequently checked in the lining process, if the phenomena of exposed stones, honeycombs and pitted surfaces appear on the concrete surface after lining is found, the lining trolley needs to be supplemented and vibrated again to prevent leakage vibration, when the materials are congested, manual leveling is required, sufficient concrete mixture is required to be kept in front of a vibrating box of the lining machine, and the material level is 2-3 cm higher than the bottom surface of the vibrating box.
During construction, a plurality of iron sheets are prepared beside the channel, concrete is stacked to ensure the purity of the concrete, and the loss and waste of the concrete can be avoided.
Before lining, if the canal bed is dry and soil rises, water should be sprayed and wetted so as to avoid fine cracks on the surface of the poured concrete slab due to excessive water loss.
Compared with the prior art, the invention has the beneficial effects that: the invention accelerates the construction progress, improves the construction quality, reduces the construction cost, improves the construction progress and quality, reduces the construction cost, completes a plurality of procedures of template installation, manual leveling, vibration and surface folding at one time through the equipment, simultaneously realizes continuous construction, cancels the use of the template from the material use consideration, saves wood, and avoids the waste of concrete in the continuous construction; the construction cross section is guaranteed to be consistent in size, and the problems of vibration leakage and the like cannot occur in the continuous concrete vibration.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are provided only for illustrating the present invention and are not intended to limit the scope of the present invention.
Example (b): a lining rapid construction method for a small-sized section canal comprises the following steps:
(1) measuring and lofting:
measuring and lofting the plane position of the drainage ditch provided by a design drawing, defining a central positioning pile and a bottom slope boundary pile by using a total station or a theodolite, driving the central pile (the piles are nailed at the bent positions at intervals of 5 m) at intervals of 50m, numbering, measuring the elevation of a pile point by using a leveling instrument, determining the side line of the drainage ditch according to the central line, and marking by using lime;
(2) channel filling
The channel filling utilizes the nearby field grids to arrange and excavate earthwork, the earthwork is paved and filled according to a horizontal layer, and the parameters of the layering thickness and the compaction parameters are determined according to a field test; the filling soil is mainly transported by a loader and a backhoe excavator and spread by manual cooperation. Because the filling section is smaller, the earthwork compaction is mainly carried out by adopting a backhoe excavator and a hand-held vibrating plate compactor, the compacting direction is parallel to the axis of the ditch, the filling of the ditch bank avoids the filling along the slope, and the adjacent working surfaces are connected by adopting an inclined plane;
(3) channel excavation
The channel excavation adopts CAT220 backhoe excavator one-time excavation molding, in order to carry out the excavation of the trapezoid cross section of the ditch and the ditch with high quality, a steel plate which is consistent with the shape of the ditch body is customized and welded with the backhoe excavator bucket to realize the one-time excavation molding, the shape of the cross section of the steel plate is consistent with the shape of the cross section of the ditch, the edge of the steel plate facing the retreating movement direction of the backhoe excavator is provided with a knife edge-shaped structure, and the part with poor local soil condition is manually matched to carry out the trimming of;
(4) bedding construction
A 5cm sand-gravel cushion layer is arranged at the bottom of the channel, sand-gravel is conveyed to a construction position through a tricycle, manually conveyed to the bottom of the channel, paved, leveled and compacted;
(5) canal lining
The canal lining adopts a lining machine for concrete pouring, a mechanical lining part is not provided, manual lining is adopted, concrete is intensively mixed, and a tricycle (a crawler-type transport vehicle or a four-wheel-drive concrete transport vehicle) is transported to the position near the working surface; the lining machine is a self-advancing type trapezoidal channel lining machine which is provided with a walking vehicle, and a feeding device, a trapezoidal die, an extrusion device matched with the trapezoidal die and a joint cutting device are arranged on an equipment frame. When the lining machine works, the lining machine is placed in the ditch. The concrete is fed into the ditch by the feeding device and distributed along the inner wall of the ditch, the trapezoidal pressure head of the extruding device moves to push the concrete into a trapezoidal cavity formed by the trapezoidal die and the inner wall of the ditch for extrusion forming, and the expansion joint is completed by the joint cutting device.
(6) Harvesting and maintaining
After the lining machine passes, carry out artifical press polish to partial channel surface and receive the face, receive the face job requirement and accomplish that the surface is level and smooth, no stone leaks outward, no honeycomb pitted surface, reach closely knit, level and smooth requirement, if the local appearance is few thick liquid, the honeycomb, pitted surface can mix the local thick liquid of wrapping up in high-grade mortar, press polish with the steel trowel.
Curing the concrete 18-24 h after pouring, manufacturing a U-shaped framework by adopting a mulching film covering method for curing, fixing the framework on two sides of the channel, covering plastic films on the framework to form a closed space, and properly sprinkling water on the surface according to the actual air temperature.
When the lining machine works, a backhoe excavator is matched with manpower to continuously load the mixed concrete into the feeding hole, the vibration equipment works simultaneously, and the lining section of the canal is formed at one time.
The lining machine keeps constant-speed continuous work, the walking speed is controlled to be about 1m/min, the adjustment is carried out by combining the actual situation on site, and the vibrating effect is ensured.
The lining machine has the joint cutting function, and joint cutting is directly completed when mixed soil is poured.
The working condition of the lining trolley vibrating device is required to be frequently checked in the lining process, if the phenomena of exposed stones, honeycombs and pitted surfaces appear on the concrete surface after lining is found, the lining trolley needs to be supplemented and vibrated again to prevent leakage vibration, when the materials are congested, manual leveling is required, sufficient concrete mixture is required to be kept in front of a vibrating box of the lining machine, and the material level is 2-3 cm higher than the bottom surface of the vibrating box.
During construction, a plurality of iron sheets are prepared beside the channel, concrete is stacked to ensure the purity of the concrete, and the loss and waste of the concrete can be avoided.
Before lining, if the canal bed is dry and soil rises, water should be sprayed and wetted so as to avoid fine cracks on the surface of the poured concrete slab due to excessive water loss.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (7)
1. A method for quickly constructing a lining of a small-sized section canal is characterized by comprising the following steps:
(1) measuring and lofting:
measuring and lofting the plane position of the drainage ditch provided by a design drawing, defining a central positioning pile and a bottom slope boundary pile by using a total station or a theodolite, driving the central pile at the position of 50m interval, numbering, measuring pile point elevation by using a level gauge, determining the sideline of the drainage ditch according to the central line, and marking by using lime;
(2) channel filling:
the channel filling utilizes the nearby field grids to arrange and excavate earthwork, the earthwork is paved and filled according to a horizontal layer, and the parameters of the layering thickness and the compaction parameters are determined according to a field test; the filling soil is transported by a loader and a backhoe excavator, and is spread by manual cooperation, the compaction of the earthwork is carried out by the backhoe excavator and a hand-held vibrating plate compactor, the compaction direction is parallel to the axis of the ditch, the filling of the ditch bank avoids filling along the slope, and the adjacent working faces are connected by inclined planes;
(3) channel excavation:
the channel excavation is formed by adopting CAT220 back-shovel excavator one-step excavation, and the side slope of the ditch and the channel is trimmed by manual cooperation at the part with poor local soil condition;
(4) cushion layer construction:
a 5cm sand-gravel cushion layer is arranged at the bottom of the channel, sand-gravel is conveyed to a construction position through a tricycle, manually conveyed to the bottom of the channel, paved, leveled and compacted;
(5) canal lining:
the canal lining adopts a lining machine for concrete pouring, a mechanical lining part is not provided, manual lining is adopted, concrete is intensively mixed, and a tricycle is transported to the vicinity of an operation surface; the lining machine selects a self-propelled trapezoidal canal lining machine;
(6) dough collection and maintenance:
after the lining machine passes, carry out artifical press polish to partial channel surface and receive the face, receive the face job requirement and accomplish that the surface is level and smooth, no stone leaks outward, no honeycomb pitted surface, reach closely knit, level and smooth requirement, if the local appearance is few thick liquid, the honeycomb, pitted surface can mix the local thick liquid of wrapping up in high-grade mortar, press polish with the steel trowel.
2. The method for rapid construction of the channel lining of the small-sized section according to claim 1, wherein the concrete is cured 18 to 24 hours after pouring, the curing is performed by a method of mulching, a U-shaped framework is manufactured and fixed on both sides of the channel, plastic films are covered on the framework to form a closed space, and the surface is sprayed with water properly according to the actual air temperature.
3. The method of claim 2, wherein the lining machine is operated by continuously feeding the mixed concrete into the feed port by a backhoe excavator in cooperation with manual work, and the vibrating device is operated simultaneously to form the lining section of the canal in one step.
4. The lining rapid construction method of a small-sized cross-section canal according to claim 1, characterized in that the lining machine keeps constant speed continuous operation, the walking speed is controlled at about 1m/min, and the adjustment is carried out in combination with the actual situation on site to ensure the vibrating effect.
5. The method as claimed in claim 4, wherein the lining trolley is used for checking the operation of the vibrating device of the lining trolley during lining, if the phenomena of exposed stones, honeycombs and pitted surfaces appear on the concrete surface after lining, the concrete is supplemented and vibrated again to prevent leakage, and when the clogging occurs, the concrete is leveled manually, and sufficient concrete mixture is kept in front of the vibrating box of the lining machine, and the material level is 2-3 cm higher than the bottom surface of the vibrating box.
6. The method of claim 4, wherein a plurality of sheets of iron are prepared beside the canal during construction, and concrete is piled to ensure the purity of the concrete and avoid the loss and waste of the concrete.
7. The method for lining a small-sized cross-section canal of claim 4, wherein if the canal bed is dry and earthed before lining, the surface of the cast concrete slab should be wetted by spraying water to avoid fine cracks due to excessive loss of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010222764.0A CN111424614A (en) | 2020-03-26 | 2020-03-26 | Rapid construction method for lining of small-sized section canal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010222764.0A CN111424614A (en) | 2020-03-26 | 2020-03-26 | Rapid construction method for lining of small-sized section canal |
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| CN111424614A true CN111424614A (en) | 2020-07-17 |
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| CN202010222764.0A Pending CN111424614A (en) | 2020-03-26 | 2020-03-26 | Rapid construction method for lining of small-sized section canal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106869152A (en) * | 2017-03-31 | 2017-06-20 | 中国水利水电第十工程局有限公司 | A kind of phreatic high chiltern canal slope is changed and is filled out from row's drainage system construction method |
| CN110485377A (en) * | 2019-07-16 | 2019-11-22 | 中电建十一局工程有限公司 | A kind of light section canal lining construction method |
| CN110485231A (en) * | 2019-09-12 | 2019-11-22 | 蓝海建设集团有限公司 | A kind of rainy season roadbed earthwork engineering construction method |
-
2020
- 2020-03-26 CN CN202010222764.0A patent/CN111424614A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106869152A (en) * | 2017-03-31 | 2017-06-20 | 中国水利水电第十工程局有限公司 | A kind of phreatic high chiltern canal slope is changed and is filled out from row's drainage system construction method |
| CN110485377A (en) * | 2019-07-16 | 2019-11-22 | 中电建十一局工程有限公司 | A kind of light section canal lining construction method |
| CN110485231A (en) * | 2019-09-12 | 2019-11-22 | 蓝海建设集团有限公司 | A kind of rainy season roadbed earthwork engineering construction method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Application publication date: 20200717 |
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