CN111877272A - Construction method for water-carrying lining of canal - Google Patents
Construction method for water-carrying lining of canal Download PDFInfo
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- CN111877272A CN111877272A CN202010757420.XA CN202010757420A CN111877272A CN 111877272 A CN111877272 A CN 111877272A CN 202010757420 A CN202010757420 A CN 202010757420A CN 111877272 A CN111877272 A CN 111877272A
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- water
- clay
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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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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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Abstract
The invention discloses a construction method for water-carrying lining of a canal, which comprises the steps of firstly assembling a water passing groove which is formed by a water inlet end, a connecting section and a water outlet end and has a square cross section and is provided with an upper cover on a bank, and then hoisting the water passing groove to the center of a water passing canal to be lined on site, wherein the water inlet end and the water outlet end are both provided with bell mouths; the left side and the right side of the outer side of the bell mouth of the water inlet end are provided with an upstream sand bag and upstream clay, and the bottom of the bell mouth of the front end of the water inlet end is provided with an upstream clay geotextile bag for blocking running water; and arranging downstream sandbags and downstream clay on the left side and the right side of the bell mouth at the water outlet end, arranging a downstream clay geotextile bag at the bottom of the bell mouth at the tail end of the water outlet end for blocking running water, and pumping and discharging water in an area surrounded by the upstream sandbags, the upstream clay, the downstream sandbags, the downstream clay and the water passing groove on the two sides of the water passing groove to form a waterless construction area for lining the channel. The construction of canal lining can be carried out under the condition of water supply, the construction is rapid and convenient, the investment is saved, and the normal water use of people is not influenced.
Description
Technical Field
The invention relates to a construction method of canal lining, in particular to a construction method of canal water lining.
Background
In poor areas, some water diversion channels are usually communicated with water after being excavated, and are not lined, the channels are seriously leaked, fine particles are mixed in the water, and the water is easy to cause harm to human bodies after being drunk for a long time, so that the channels which are not lined need to be lined. However, during lining construction, the construction can not be carried out when water is not supplied or when water is cut off, as in the conventional canal lining construction. The channel in the severe cold area is used for domestic water supply and agricultural water supply in summer, and water supply cannot be interrupted, so that lining construction must be carried out under the condition of water supply. In order to reduce the interference to people's life to the utmost extent when ensuring the engineering, and to accomplish the minimum to agricultural irrigation influence, therefore put forward higher requirement to the water-carrying lining construction of channel.
Disclosure of Invention
The invention aims to solve the technical problem of providing a construction method for water-carrying lining of a canal, which is characterized in that a water passing groove is arranged in the canal, sand bags and clay impermeable layers are arranged at two ends of the groove, and clay bags are arranged at the front end and the rear end of the groove to form a waterless working area and provide a working space for canal lining construction.
In order to solve the problems, the technical scheme adopted by the invention is as follows: a construction method for water-carrying lining of a canal comprises the following steps:
(1) firstly, assembling a water passing groove which is formed by a water inlet end, a connecting section and a water outlet end and has a square cross section and is provided with an upper cover on the bank, and then hoisting the water passing groove to the center of a water passing channel to be lined on site, wherein the water inlet end and the water outlet end are both provided with bell mouths;
(2) the left side and the right side of the outer side of the bell mouth of the water inlet end are provided with an upstream sand bag and upstream clay, and the bottom of the bell mouth of the front end of the water inlet end is provided with an upstream clay geotextile bag for blocking running water; and arranging downstream sandbags and downstream clay on the left side and the right side of the bell mouth at the water outlet end, arranging a downstream clay geotextile bag at the bottom of the bell mouth at the tail end of the water outlet end for blocking running water, and pumping and discharging water in an area surrounded by the upstream sandbags, the upstream clay, the downstream sandbags, the downstream clay and the water passing groove on the two sides of the water passing groove to form a waterless construction area for lining the channel.
The outer side walls of the water inlet end, the connecting section and the water outlet end are provided with stiffening steel pipes, and the front ends of the connecting section and the water outlet end are provided with water stop rubber sheets.
The widths of the water inlet end, the connecting section and the water outlet end are set according to the width of the lining channel as required, the distance of at least 50cm is reserved on two sides of the water passing groove, the construction requirement is met, and the heights of the water inlet end, the connecting section and the water outlet end are at least 20cm greater than the water depth so as to be used for passing flowing water.
The upstream sandbag is divided into two layers, the upstream clay is positioned between the two layers of upstream sandbags, the thickness of the upstream clay is more than or equal to 50cm, and flowing water is prevented from entering an anhydrous construction area; the downstream sandbag is divided into two layers, the downstream clay is positioned between the two layers of downstream sandbags, the thickness of the downstream clay is more than or equal to 50cm, and flowing water is prevented from entering an anhydrous construction area.
The thickness of the upstream clay geotextile bag and the thickness of the downstream clay geotextile bag are more than or equal to 10cm, and flowing water is prevented from entering a waterless construction area.
The lengths of the water inlet end and the water outlet end are more than or equal to 1.5m, and the length of the connecting section is set on site according to the length of the lining channel.
The invention has the beneficial effects that: the construction of canal lining can be carried out under the condition of water supply, the construction is rapid and convenient, the investment is saved, the normal water consumption of people is not influenced, the water safety of the majority of people is ensured, and the life quality is improved.
Drawings
FIG. 1 is a schematic view of the construction method of the canal water lining of the present invention.
Fig. 2 is a schematic view of the water inlet end of the present invention.
Fig. 3 is a schematic view of a connection segment of the present invention.
Fig. 4 is a schematic view of the outlet end of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The construction method of the canal water lining comprises the following steps:
(1) firstly, assembling a water passing groove which is formed by a water inlet end, a connecting section and a water outlet end and has a square cross section and is provided with an upper cover on the bank, and then hoisting the water passing groove to the center of a water passing channel to be lined on site, wherein the water inlet end and the water outlet end are both provided with bell mouths;
(2) the left side and the right side of the outer side of the bell mouth of the water inlet end are provided with an upstream sand bag and upstream clay, and the bottom of the bell mouth of the front end of the water inlet end is provided with an upstream clay geotextile bag for blocking running water; and arranging downstream sandbags and downstream clay on the left side and the right side of the bell mouth at the water outlet end, arranging a downstream clay geotextile bag at the bottom of the bell mouth at the tail end of the water outlet end for blocking running water, and pumping and discharging water in an area surrounded by the upstream sandbags, the upstream clay, the downstream sandbags, the downstream clay and the water passing groove on the two sides of the water passing groove to form a waterless construction area for lining the channel.
The outer side walls of the water inlet end, the connecting section and the water outlet end are provided with stiffening steel pipes, and the front ends of the connecting section and the water outlet end are provided with water stop rubber sheets.
The widths of the water inlet end, the connecting section and the water outlet end are set according to the width of the lining channel as required, the distance of at least 50cm is reserved on two sides of the water passing groove, the construction requirement is met, and the heights of the water inlet end, the connecting section and the water outlet end are at least 20cm greater than the water depth so as to be used for passing flowing water.
The upstream sandbag is divided into two layers, the upstream clay is positioned between the two layers of upstream sandbags, the thickness of the upstream clay is more than or equal to 50cm, and flowing water is prevented from entering an anhydrous construction area; the downstream sandbag is divided into two layers, the downstream clay is positioned between the two layers of downstream sandbags, the thickness of the downstream clay is more than or equal to 50cm, and flowing water is prevented from entering an anhydrous construction area.
The thickness of the upstream clay geotextile bag and the thickness of the downstream clay geotextile bag are more than or equal to 10cm, and flowing water is prevented from entering a waterless construction area.
The lengths of the water inlet end and the water outlet end are more than or equal to 1.5m, and the length of the connecting section is set on site according to the length of the lining channel.
The concrete description is as follows:
as shown in fig. 1 to 4, a concrete lining 2 is constructed on an unlined canal 1, flowing water 3 is present in the unlined canal 1, a water inlet end 4, a connecting section 5 and a water outlet end 6 are provided in the unlined canal 1 to allow the flowing water 3 to pass through, upstream sandbags 9 and upstream clays 10 are provided on both sides of the water inlet end 4 to block the flowing water 3, an upstream clay geotextile bag 7 is provided at the bottom of the front section of the water inlet end 4 to block the flowing water 3, downstream sandbags 11 and downstream clays 12 are provided on both sides of the water outlet end 6 to block the flowing water 3, a downstream clay geotextile bag 8 is provided at the bottom of the end of the water outlet end 6 to block the flowing water 3, a reinforced steel pipe 13 is provided on the side walls of the water inlet end 4, the connecting section 5 and the water outlet end 6, a water-stop rubber sheet 14 is provided at the front ends of the connecting section 5 and the water outlet end 6, and a water-free zone 15, for constructing a concrete lining 2. The invention can carry out canal lining construction under the condition of water supply, has quick and convenient construction and investment saving, and does not influence the normal water use of people.
The widths of the water inlet end, the connecting section and the water outlet end are set according to the width of an unlined channel, the reserved distance of more than or equal to 50cm meets the construction requirement, and the height of the water inlet end is more than 20cm of water depth so as to be used for flowing water.
The widths of the upstream clay and the downstream clay are more than or equal to 50cm, so that running water is prevented from entering an anhydrous construction area; the thickness of the upstream clay geotextile bag and the thickness of the downstream clay geotextile bag are more than or equal to 10cm, so that running water is prevented from entering a waterless construction area; the lengths of the water inlet end and the water outlet end are more than or equal to 1.5m, and the length of the connecting section is set on site according to the length of the unlined canal.
In the embodiment, the construction is performed according to the following steps: firstly, assembling a water inlet end, a connecting section and a water outlet end on the bank to form a water passing groove, and then hoisting and conveying the water into the non-lined water passing channel on site. The sand bags and the clay are arranged on two sides of the water passing groove to prevent flowing water from entering the anhydrous working area, the clay bags are arranged at the bottoms of the front end and the rear end of the water passing groove to prevent the flowing water from entering the anhydrous working area, and after the anhydrous working area is formed, channel lining construction is carried out, and the whole construction process is completed.
The above examples are only for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the scope of the present invention is not limited by the examples, i.e., the equivalent changes or modifications made in the spirit of the present invention disclosed are still within the scope of the present invention.
Claims (6)
1. A construction method for water-carrying lining of a canal is characterized by comprising the following steps:
(1) firstly, assembling a water passing groove which is formed by a water inlet end, a connecting section and a water outlet end and has a square cross section and is provided with an upper cover on the bank, and then hoisting the water passing groove to the center of a water passing channel to be lined on site, wherein the water inlet end and the water outlet end are both provided with bell mouths;
(2) the left side and the right side of the outer side of the bell mouth of the water inlet end are provided with an upstream sand bag and upstream clay, and the bottom of the bell mouth of the front end of the water inlet end is provided with an upstream clay geotextile bag for blocking running water; and arranging downstream sandbags and downstream clay on the left side and the right side of the bell mouth at the water outlet end, arranging a downstream clay geotextile bag at the bottom of the bell mouth at the tail end of the water outlet end for blocking running water, and pumping and discharging water in an area surrounded by the upstream sandbags, the upstream clay, the downstream sandbags, the downstream clay and the water passing groove on the two sides of the water passing groove to form a waterless construction area for lining the channel.
2. The construction method of canal water lining as claimed in claim 1, wherein the outer side walls of the water inlet end, the connecting section and the water outlet end are provided with stiffening steel pipes, and the front ends of the connecting section and the water outlet end are provided with water-stop rubber.
3. The construction method of canal water lining according to claim 1, wherein the width of the water inlet end, the connecting section and the water outlet end is set according to the width of the lining canal, the distance of at least 50cm is reserved on two sides of the water passing trench to meet the construction requirement, and the height of the water inlet end, the connecting section and the water outlet end is at least 20cm greater than the depth of water to pass through flowing water.
4. The construction method of the canal water lining as claimed in claim 1, wherein the upstream sandbag is two layers, the upstream clay is located between the two layers of upstream sandbags, the thickness is more than or equal to 50cm, and the flowing water is prevented from entering the waterless construction area; the downstream sandbag is divided into two layers, the downstream clay is positioned between the two layers of downstream sandbags, the thickness of the downstream clay is more than or equal to 50cm, and flowing water is prevented from entering an anhydrous construction area.
5. The construction method of the canal water lining according to claim 1, wherein the thickness of the upstream clay geotextile bag and the downstream clay geotextile bag is more than or equal to 10cm, and the flowing water is prevented from entering the waterless construction area.
6. The construction method for water-carrying lining of canal of claim 1, wherein the length of the water inlet end and the water outlet end is more than or equal to 1.5m, and the length of the connecting segment is set on site according to the length of the lining canal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010757420.XA CN111877272A (en) | 2020-07-31 | 2020-07-31 | Construction method for water-carrying lining of canal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010757420.XA CN111877272A (en) | 2020-07-31 | 2020-07-31 | Construction method for water-carrying lining of canal |
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| Publication Number | Publication Date |
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| CN111877272A true CN111877272A (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010757420.XA Pending CN111877272A (en) | 2020-07-31 | 2020-07-31 | Construction method for water-carrying lining of canal |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1209488A (en) * | 1997-08-25 | 1999-03-03 | 江苏河海疏浚工程集团公司 | Construction method for confferdam and dyke-dam |
| CN2536647Y (en) * | 2002-03-22 | 2003-02-19 | 阮思忠 | Cement U-shape channel with taped end |
| CN104790417A (en) * | 2015-04-17 | 2015-07-22 | 中水北方勘测设计研究有限责任公司 | Spliced chamber cofferdam for repair of canal lining projects |
| CN106381842A (en) * | 2016-10-20 | 2017-02-08 | 长江勘测规划设计研究有限责任公司 | Canal lining repair buried pipe water transfer and cofferdam intercepted foundation pit and method |
| CN106400746A (en) * | 2016-10-20 | 2017-02-15 | 长江勘测规划设计研究有限责任公司 | Water delivery of by-pass pipe and cofferdaming truncation-typed foundation trench and method for canal lining repairing |
| CN110424331A (en) * | 2019-09-09 | 2019-11-08 | 四川清和水利水电工程设计有限公司 | A kind of power station pin-connected panel water-drawing channel and construction method |
| CN110565665A (en) * | 2019-09-18 | 2019-12-13 | 河南省水利勘测设计研究有限公司 | Construction method for repairing channel side slope without water cut based on canopy type cofferdam |
-
2020
- 2020-07-31 CN CN202010757420.XA patent/CN111877272A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1209488A (en) * | 1997-08-25 | 1999-03-03 | 江苏河海疏浚工程集团公司 | Construction method for confferdam and dyke-dam |
| CN2536647Y (en) * | 2002-03-22 | 2003-02-19 | 阮思忠 | Cement U-shape channel with taped end |
| CN104790417A (en) * | 2015-04-17 | 2015-07-22 | 中水北方勘测设计研究有限责任公司 | Spliced chamber cofferdam for repair of canal lining projects |
| CN106381842A (en) * | 2016-10-20 | 2017-02-08 | 长江勘测规划设计研究有限责任公司 | Canal lining repair buried pipe water transfer and cofferdam intercepted foundation pit and method |
| CN106400746A (en) * | 2016-10-20 | 2017-02-15 | 长江勘测规划设计研究有限责任公司 | Water delivery of by-pass pipe and cofferdaming truncation-typed foundation trench and method for canal lining repairing |
| CN110424331A (en) * | 2019-09-09 | 2019-11-08 | 四川清和水利水电工程设计有限公司 | A kind of power station pin-connected panel water-drawing channel and construction method |
| CN110565665A (en) * | 2019-09-18 | 2019-12-13 | 河南省水利勘测设计研究有限公司 | Construction method for repairing channel side slope without water cut based on canopy type cofferdam |
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Application publication date: 20201103 |