CN112482299A - Construction method based on water system area field transformation - Google Patents
Construction method based on water system area field transformation Download PDFInfo
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- CN112482299A CN112482299A CN202011118527.6A CN202011118527A CN112482299A CN 112482299 A CN112482299 A CN 112482299A CN 202011118527 A CN202011118527 A CN 202011118527A CN 112482299 A CN112482299 A CN 112482299A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D18/00—Bridges specially adapted for particular applications or functions not provided for elsewhere, e.g. aqueducts, bridges for supporting pipe-lines
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/128—Coherent linings made on the spot, e.g. cast in situ, extruded on the spot
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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
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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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a construction method based on site transformation of a water system area, which creatively changes the way of an original river by arranging a temporary river so that the construction site has time and space for moving, solves the problem of project content in the construction site after the construction of a permanent river is finished, can carry out the construction content in the site while constructing the permanent river, shortens the construction period, improves the time and space utilization rate and improves the project construction investment utilization rate.
Description
Technical Field
The invention relates to the technical field of construction of water system area fields, in particular to a construction method based on water system area field reconstruction.
Background
In the traditional water system construction operation, a construction site is generally constructed by using methods such as backfill leveling and the like, the construction site is long in modification period, water and soil conservation and environmental protection are not facilitated, and the construction conditions of special areas such as rivers are more.
In the conventional construction method, if an original river current flows through the site, the river current needs to be changed to a position outside the site, and the channel needs to be constructed and changed in a canal manner. In the construction process, a permanent water channel is built firstly, after the permanent water channel is completed, the original river is drained to the newly-built permanent water channel, and only single division operation can be carried out in the same time, so that the construction period of projects in a land block is prolonged.
Disclosure of Invention
In order to overcome at least one defect in the prior art, the invention provides a construction method based on field reconstruction of a water system area.
The technical scheme adopted by the invention for solving the problems is as follows:
a construction method based on water system area site transformation comprises the following steps:
step 1, designing temporary river surge in a site according to the situation of an original river surge and the situation of the site;
step 2, building a temporary river and temporarily draining the original river to the temporary river;
and 5, backfilling or excavating the temporary river to complete the overall transformation of the water system area inside the field.
The site construction method provided by the invention creatively redirects the original river firstly through the temporary river, so that the construction site has time and space for moving, solves the problem of starting the engineering content in the construction site after the permanent river construction is finished, can carry out the construction content in the site while constructing the permanent river, shortens the construction period, improves the time and space utilization rate and improves the engineering construction investment utilization rate.
Further, the temporary river is linear.
Further, when the temporary river is built in the step 2, the protection fence installation and greening work of the temporary river is carried out.
Further, when the temporary river is built in the step 2, a temporary bridge is built on the temporary river so as to communicate the sites on two sides of the temporary river.
Further, the construction of the temporary bridge comprises the following steps: laying a plurality of steel cylinder culvert pipes on the temporary river surge, then spreading broken stone and slag soil to fill and compact the gaps of the steel cylinder culvert pipes, spreading a surface layer with the thickness of 0.5-1.5M on the upper parts of the steel cylinder culvert pipes by using the broken stone and slag soil, laying a cushion steel plate on the surface layer, and installing a bridge side protective fence.
Further, before the temporary river is constructed in the step 2, pile foundation construction work is performed on the temporary river area in advance.
Further, after the temporary river is backfilled or excavated in the step 5, pile foundation construction work is performed on the temporary river area.
In summary, the site construction method provided by the invention has the following technical effects:
1) the original river is creatively redirected through the temporary river, so that the construction site has time and space for moving, the problem that the construction content in the construction site is started after the permanent river construction is finished is solved, the construction content in the site can be carried out while the permanent river construction is carried out, the construction period is shortened, the time and space utilization rate is improved, and the engineering construction investment utilization rate is improved;
2) the time difference is skillfully improved by utilizing the water system, so that the areas where the original river and the temporary river are located can relatively independently complete the tasks of corresponding projects, and the construction period is further shortened;
3) the occupied area of a water system in the field is reduced, and the temporary river surge is utilized to strengthen the river channel in the field, so that flood season hazards are reduced, environmental pollution is reduced, and the land is protected.
Drawings
FIG. 1 is a construction flow chart of an embodiment of the present invention;
fig. 2 is a schematic diagram of a river channel according to an embodiment of the present invention before modification;
fig. 3 is a schematic diagram of river channel reconstruction according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a modified river channel according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a temporary river surge according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a temporary bridge according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of knots at both ends of a temporary river according to an embodiment of the invention;
fig. 8 and 9 are real photographed images of a site of a specific construction project.
Wherein the reference numerals have the following meanings:
1. original river gushing; 11. upstream of a river surge; 12. a river cut-off section; 13. downstream of the river gush; 2. temporary river gushing; 21. a solid soil cushion layer; 22. fine aggregate concrete sheath; 221. a reinforcing mesh; 222. soil nailing; 23. a protective fence; 24. a drainage hook; 25. a temporary bridge; 251. a steel cylinder culvert pipe; 252. a surface layer; 253. a steel plate; 254. bridge side guard rails; 26. mixing the cushion layer; 3. permanent river gushing; 4. and (4) a field.
Detailed Description
For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 to 9, the invention discloses a construction method based on site transformation of a water system area, which can organize water system purification and discharge by stages and areas under the condition that the requirement of a construction period is urgent, is beneficial to construction organization arrangement, reduces flood period hazards by reasonably coordinating a drainage system in a limited area range and in a nervous construction period, achieves the aim of completing a planning process in a short time, improves the time and space utilization rate, shortens the construction period and improves the project construction investment utilization rate.
The site construction method comprises the following steps:
step 1, designing a temporary river 2 in a site 4 according to the conditions of a river channel 1 and the site 4 of an original river.
In the step 1, the original river 1 is divided into an upstream river 11, a cut-off section 12 and a downstream river 13 according to the condition of the original river 1 and the condition of the site 4. As shown in fig. 3, the river cut section 12 is located inside the site 4, the upstream and downstream river currents 11 and 13 are located outside the site 4, and both ends of the temporary river current 2 are respectively communicated with the upstream and downstream river currents 11 and 13.
Preferably, the temporary river 2 is substantially linear, so that the temporary river 2 has a shorter river channel, thereby reducing the area occupied by the temporary river 2.
And 2, building a temporary river 2, and temporarily draining the original river 1 to the temporary river 2.
In this embodiment, the temporary river 2 includes a foundation river (not shown), and the foundation river is provided with a solid soil cushion 21 and a fine aggregate concrete sheath 22 covering the solid soil cushion 21, so that the foundation river is effectively protected by the solid soil cushion 21 and the fine aggregate concrete sheath 22.
Wherein, the thickness of the fine aggregate concrete sheath 22 is 50 MM-150 MM, and the fine aggregate concrete sheath is constructed by adopting C20 plain concrete; preferably, the fine aggregate concrete sheath 22 has a thickness of 100 MM.
In this embodiment, the fine stone concrete sheath 22 includes a steel mesh 221 and soil nails 222, and the soil nails 222 are welded to the steel mesh 221 or tied by wires. When the fine stone concrete sheath 22 is laid, the reinforcing mesh 221 is laid on the solid soil cushion layer 21, the soil nails 222 are nailed into the solid soil cushion layer 21, then the soil nails 222 are fixedly connected with the reinforcing mesh 221, then fine stone concrete slurry is spread on the reinforcing mesh 221, and the fine stone concrete sheath 22 is formed after solidification. The reinforcing mesh 221 and the soil nails 222 are used to reinforce the strength of the fine aggregate concrete sheath 22 and the adhesion force on the solid soil cushion layer 21, so as to prevent the fine aggregate concrete sheath 22 from being damaged and falling off.
In this embodiment, drainage ditches 24 and protection fences 23 are further provided on both sides of the foundation river. The protective fence 23 is arranged on the fine aggregate concrete sheath 22, so that the protective fence 23 can be conveniently and fixedly arranged; escape canal 24 laminate in the border of fine aggregate concrete sheath 22 to establish in the excavation behind the escape canal 24 does not destroy fine aggregate concrete sheath 22.
Referring to fig. 6, in this embodiment, a temporary bridge 25 is further disposed on the foundation river channel, and the temporary bridge 25 is used to communicate with the sites on two sides of the river, so as to facilitate the movement of the working vehicles and the workers.
The temporary bridge 25 comprises a plurality of steel cylinder culvert pipes 251 laid on the foundation river channel, gravel and slag are laid between gaps of the steel cylinder culvert pipes 251, a surface layer 252 is laid on the upper portions of the steel cylinder culvert pipes 251 by means of the gravel and slag, and steel plates 253 are laid on the surface layer 252. Therefore, river water is conducted through the steel cylinder culvert 251 and the steel cylinder culvert plays a supporting role, the gravity of the vehicle is dispersed to the whole temporary bridge 25 by using the surface layer 252 and the steel plate 253, the steel cylinder culvert 251 is prevented from being damaged and deformed due to overlarge stress, the construction is simple and convenient, the construction period is short, and the steel cylinder culvert is convenient to dismantle.
Wherein the thickness of the surface layer 252 is 0.5-1.5M, the thickness of the steel plate 253 is 15-30 MM, and the diameter of the steel cylinder culvert 251 is 0.8-1.5M; preferably, the thickness of the surface layer 252 is 1.1M, the thickness of the steel plate 253 is 20MM, and the diameter of the steel cylinder culvert 251 is 1.3M. The thicker surface layer 252 is combined with the steel plate 253, so that the gravity of a vehicle can be better dispersed, and the bridge deck is protected from being deformed.
In the present embodiment, bridge side guard rails 254 are provided on both sides of the temporary bridge 25 to prevent workers from falling when passing a bridge, and to provide a bridge deck reference for a driver of the work vehicle.
Referring to fig. 7, in the present embodiment, the mixed bedding 26 filled with rubbles and gravels is disposed at the bottom of the upstream and downstream ends of the basic river channel, so as to prevent the temporary river 2 from breaking the fine aggregate concrete sheath 22 due to the strong impact of river water on the junction when the original river 1 is re-routed. Wherein the thickness of the mixed pad layer 26 is 0.5M to 1.5M. Preferably, the thickness of the mixed pad layer 26 is 1M.
In the step 2, the middle section of the temporary river 2 is dug, and finally, the two ends of the temporary river 2 are dug to communicate the upstream 11 and the downstream 13 of the original river 1.
In this embodiment, the steps of constructing the temporary river 2 are as follows:
(1) digging out the basic river channel, and compacting the river bottom, the two side walls and the bank soil layer of the basic river channel to form the solid soil cushion layer 21, or filling a layer of soil on the river bottom, the two side walls and the bank of the basic river channel to form the solid soil cushion layer 21;
(2) paving the fine stone concrete sheath 22 on the solid soil cushion layer 21, two side walls and the bank side of the foundation river channel;
(3) digging the drainage ditch 24 at the bank side of the basic river channel, and installing the protection fence 23;
(4) and building the temporary bridge 25. Firstly, a plurality of steel cylinder culvert pipes 251 are laid on a certain section of the basic river channel, then broken stone and slag are paved to fill and compact gaps of the steel cylinder culvert pipes 251, the surface layer 252 is paved on the upper parts of the steel cylinder culvert pipes 251 by using the broken stone and slag, finally the steel plates 253 are paved on the surface layer 252, and the bridge side protective guard 254 is installed;
(5) digging through both ends of the temporary river 2 to communicate the upstream 11 and the downstream 13 of the original river 1, and then filling out the mixed cushion 26 at the bottom of the connection between the temporary river 2 and the original river 1 by using rubbles and gravels.
In the above steps, the building sequence of the temporary bridge 25 is not limited, and the foundation river channel is dug.
And 3, carrying out drainage, dredging and backfilling treatment on the river cut-off section 12, and then carrying out pile foundation construction operation on the area of the river cut-off section 12 according to a design drawing.
In the step 3, when the ebb water level is the lowest, the two ends of the river surge intercepting section 12 are blocked, and then the water in the intercepting section is pumped, so that the drainage operation is completed, the drainage workload is reduced, and the drainage operation time is shortened.
And 4, draining the temporary river 2 to the permanent river 3 after the permanent river 3 is built.
And 5, backfilling or excavating the temporary river 2 to finish the integral transformation of the water system area inside the field 4.
In the step 5, similarly, the principle is the same as that of the drainage operation in the step 3, when the ebb water level is the lowest, both ends of the temporary river 2 are blocked, and then the water in the temporary river 2 is pumped, so that the drainage operation is completed, the drainage workload is reduced, and the drainage operation time is shortened.
In the invention, the pile foundation construction scheme of the temporary river 2 area has two types:
firstly, before the temporary river 2 is built in the step 2, pile foundation construction operation is carried out on the temporary river 2 area in advance;
secondly, after the temporary river 2 is backfilled or dug in the step 5, pile foundation construction operation is carried out on the temporary river 2 area.
The two schemes can be specifically selected according to factors such as design, construction period of each area, flood season and the like, so that the construction progress of the whole project is improved, and the effect of completing the project construction target in a short time is achieved.
The site construction method provided by the invention creatively redirects the original river 1 in advance through the temporary river 2, so that the construction site 4 has free time and space, solves the problem that the construction content in the construction site 4 is started after the construction of the permanent river 3 is finished, can perform the construction content in the site 4 while constructing the permanent river 3, shortens the construction period, improves the time and space utilization rate, and improves the engineering construction investment utilization rate; the time difference is skillfully improved by utilizing the water system, so that the areas where the original river 1 and the temporary river 2 are positioned can relatively independently complete the tasks of corresponding projects, and the construction period is further shortened; the floor area of a water system in the field 4 is reduced, the temporary river 2 is used for reinforcing the river channel in the field 4, flood season hazards are reduced, environmental pollution is reduced, and the land is protected.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (7)
1. A construction method based on water system area site transformation is characterized by comprising the following steps:
step 1, designing a temporary river (2) in a site (4) according to the river channel condition and the site condition of an original river (1);
step 2, building a temporary river (2), and temporarily draining the original river (1) to the temporary river (2);
step 3, carrying out drainage, dredging and backfilling treatment on the river cutting section (12) of the original river (1), and then carrying out pile foundation construction operation on the area of the river cutting section (12) according to a design drawing;
step 4, after the permanent river (3) is built, draining the temporary river (2) to the permanent river (3);
and 5, backfilling or excavating the temporary river (2) to finish the integral transformation of the water system area inside the field (4).
2. The site construction method according to claim 1, characterized in that the temporary river (2) is linear.
3. The site construction method according to claim 1, wherein the installation of the protective fence (23) of the temporary river (2) and the greening work are performed when the temporary river (2) is constructed in the step 2.
4. The site construction method according to claim 3, wherein in the step 2 of constructing the temporary river (2), a temporary bridge (25) is constructed on the temporary river (2) so as to connect the sites at both sides of the temporary river.
5. Site construction method according to claim 4, characterized in that the construction of said temporary bridge (25) comprises the following steps: laying a plurality of steel cylinder culvert pipes (251) on the temporary river (2), then laying broken stone and slag to fill and compact gaps among the steel cylinder culvert pipes (251), laying a surface layer (252) with the thickness of 0.5-1.5M on the upper parts of the steel cylinder culvert pipes (251) by using the broken stone and slag, laying a cushion steel plate (253) on the surface layer (252), and installing a bridge side protective guard (254).
6. The site construction method according to any one of claims 1 to 5, wherein a pile foundation construction work is previously performed on the temporary river (2) area before the temporary river (2) is constructed in the step 2.
7. The site construction method according to any one of claims 1 to 5, wherein after the step 5 of backfilling or excavating the temporary river (2), pile foundation construction work is performed on the temporary river (2) area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011118527.6A CN112482299A (en) | 2020-10-19 | 2020-10-19 | Construction method based on water system area field transformation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011118527.6A CN112482299A (en) | 2020-10-19 | 2020-10-19 | Construction method based on water system area field transformation |
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| CN112482299A true CN112482299A (en) | 2021-03-12 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141287A (en) * | 2013-05-07 | 2014-11-12 | 上海交通建设总承包有限公司 | Water diversion construction method of inland river project |
| CN104452656A (en) * | 2014-11-26 | 2015-03-25 | 禹顺生态建设有限公司 | River channel segmental desilting construction method |
| CN104674752A (en) * | 2015-03-25 | 2015-06-03 | 申建为 | Urban river regulation system and river reconstruction method |
| CN106120665A (en) * | 2016-06-24 | 2016-11-16 | 杨福美 | Device and manufacture method thereof are intercepted in river course temporarily |
| CN107059878A (en) * | 2017-03-24 | 2017-08-18 | 广州地铁设计研究院有限公司 | A kind of construction method for being applied to river course across Metro station excavation |
| CN109736257A (en) * | 2019-03-06 | 2019-05-10 | 中交上海航道勘察设计研究院有限公司 | It is a kind of for constructing the double river structures and its construction method of ecological circulation water system |
-
2020
- 2020-10-19 CN CN202011118527.6A patent/CN112482299A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141287A (en) * | 2013-05-07 | 2014-11-12 | 上海交通建设总承包有限公司 | Water diversion construction method of inland river project |
| CN104452656A (en) * | 2014-11-26 | 2015-03-25 | 禹顺生态建设有限公司 | River channel segmental desilting construction method |
| CN104674752A (en) * | 2015-03-25 | 2015-06-03 | 申建为 | Urban river regulation system and river reconstruction method |
| CN106120665A (en) * | 2016-06-24 | 2016-11-16 | 杨福美 | Device and manufacture method thereof are intercepted in river course temporarily |
| CN107059878A (en) * | 2017-03-24 | 2017-08-18 | 广州地铁设计研究院有限公司 | A kind of construction method for being applied to river course across Metro station excavation |
| CN109736257A (en) * | 2019-03-06 | 2019-05-10 | 中交上海航道勘察设计研究院有限公司 | It is a kind of for constructing the double river structures and its construction method of ecological circulation water system |
Non-Patent Citations (2)
| Title |
|---|
| 王世君等: "涉河地铁工程施工时序及接口处理研究", 《施工技术》 * |
| 黎晓开等: "地铁车站上方河道导流、复建施工技术", 《云南水力发电》 * |
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