CN109914174B - Construction method for backfilling, stone throwing and silt squeezing of pond - Google Patents
Construction method for backfilling, stone throwing and silt squeezing of pond Download PDFInfo
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- CN109914174B CN109914174B CN201910220062.6A CN201910220062A CN109914174B CN 109914174 B CN109914174 B CN 109914174B CN 201910220062 A CN201910220062 A CN 201910220062A CN 109914174 B CN109914174 B CN 109914174B
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Abstract
The invention discloses a construction method for backfilling, stone throwing and silt squeezing of a pond, which relates to the technical field of earthwork backfilling engineering and comprises the following steps: a central point N is selected in a pond central area, then the central point N is respectively penetrated through three reference lines, the included angle of the adjacent reference lines is 60 degrees, the two ends of all the reference lines form intersection points with the pond edge, the intersection points are A, B, C, D, E, F respectively, then a sludge pumping pump is arranged at the position of the intersection point A, B, C, D, E, F, and sludge extruded to the pond edge is pumped away through six sludge pumping pumps when stones are thrown to the pond.
Description
Technical Field
The invention relates to the technical field of earthwork backfilling engineering, in particular to a construction method for backfilling, riprapping and silt squeezing of a pond.
Background
A method for treating soft foundation features that a certain quantity of broken stone is thrown from middle to both sides of foundation bottom and the sludge is squeezed out of foundation to increase its strength, and the broken stone is made of hard weathered large stone blocks (not less than 0.15 m). The method is often suitable for thick soft soil layers, water accumulation depressions such as lakes, ponds and rivers which accumulate water all year round and are difficult to drain, and the situations that the surface layer has no hard shell, the soft soil has large liquidity index and thin layer thickness, and the rubble can sink to a lying hard layer. Compared with other reinforcing methods, the rubble silt-throwing method is convenient and quick to construct, simple in process and quick in construction, is particularly suitable for areas where a large amount of accumulated water on the surface of a soft foundation cannot be drained and large-scale construction machinery cannot enter, and can effectively save construction cost and shorten construction period by adopting the rubble silt-throwing method to carry out soft foundation treatment under the conditions of abundant stones near the construction area and short transportation distance.
When a pond is backfilled by a method of stone throwing and silt squeezing, silt is squeezed to the side of the pond by broken stones, then the silt is removed, and the last layer is backfilled to the designed elevation according to construction requirements.
Therefore, it is a realistic meaning for those skilled in the art how to solve the above technical problems.
Disclosure of Invention
The invention aims to: the invention provides a construction method for backfilling, throwing and dredging a pond, and aims to solve the technical problems that when the pond is backfilled by a method for backfilling, sludge is completely squeezed to the side of a fishpond through broken stones and then removed, part of sludge is easy to exist in broken stone gaps, the sludge is not completely removed, and finally the strength of a filled roadbed is not high enough.
The invention specifically adopts the following technical scheme for realizing the purpose:
a construction method for backfilling, stone throwing and silt squeezing of a pond comprises the following steps: a central point N is selected in a pond central area, then the central point N is respectively penetrated through three reference lines, the included angles of the adjacent reference lines are all 60 degrees, the two ends of all the reference lines form intersection points with the pond edge, the intersection points are A, B, C, D, E, F respectively, then a sludge pumping pump is arranged at the position of the intersection point A, B, C, D, E, F, and sludge extruded to the pond edge is pumped away through six sludge pumping pumps when stones are thrown to the pond.
Furthermore, before the stone is thrown, surface vegetation and construction waste in the throwing and filling range are firstly removed by an excavator, and meanwhile, manual cleaning is matched.
Furthermore, the material for throwing the stones passes through the field excavation of the square stones, the mud content of the square stones is less than or equal to 10 percent, and the square stones need to be subjected to a strength test.
Further, when stones are thrown, an excavator is matched with a loader to evenly throw a first layer of square stones within an operation radius, then the excavator walks back and forth to grind the first layer of square stones, after the square stones sink to be level with a substrate, a second layer of stones are thrown, the same method is used for grinding after the stone is finished, if the square stones do not obviously sink, the next section of construction can be carried out by extending forwards, and if the settlement amount of the square stones is still large, a layer of stone is required to be thrown again to grind until the settlement amount of the square stones is small.
Furthermore, when different materials for throwing stones are used for replacement, the materials are required to be layered, and the same material for throwing stones is adopted in the same layer.
The invention has the following beneficial effects:
1. the silt that extrudees the pond edge is taken away through six silt pumps of taking out when throwing the stone toward the pond, thereby prevent that most silt from flowing back again and filling in the gap of rubble, when setting up the position of taking out the silt pump, select a central point N in pond central zone, then pass central point N respectively through three datum lines, the contained angle of adjacent datum line is 60, all datum lines both ends and pond edge form the nodical, be nodical A, B, C, D, E, F respectively, then all set up a silt pump of taking out in nodical A, B, C, D, E, F position, guarantee to take out the silt pump and distribute evenly, thereby form that the enclosure net will extrude the silt of pond edge and take away fast, silt clears away more thoroughly, road bed intensity after final filling is than higher.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention that are generally shown herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The following examples further describe the invention in detail in order that those skilled in the art may better understand the invention.
Example 1
The embodiment provides a construction method for backfilling, riprap and silt squeezing of a pond, which comprises the following steps: a central point N is selected in a pond central area, then the central point N is respectively penetrated through three reference lines, the included angles of the adjacent reference lines are all 60 degrees, the two ends of all the reference lines form intersection points with the pond edge, the intersection points are A, B, C, D, E, F respectively, then a sludge pumping pump is arranged at the position of the intersection point A, B, C, D, E, F, and sludge extruded to the pond edge is pumped away through six sludge pumping pumps when stones are thrown to the pond.
Furthermore, before the stone is thrown, surface vegetation and construction waste in the throwing and filling range are firstly removed by an excavator, and meanwhile, manual cleaning is matched.
Furthermore, the material for throwing the stones passes through the field excavation of the square stones, the mud content of the square stones is less than or equal to 10 percent, and the square stones need to be subjected to a strength test.
Further, when stones are thrown, an excavator is matched with a loader to evenly throw a first layer of square stones within an operation radius, then the excavator walks back and forth to grind the first layer of square stones, after the square stones sink to be level with a substrate, a second layer of stones are thrown, the same method is used for grinding after the stone is finished, if the square stones do not obviously sink, the next section of construction can be carried out by extending forwards, and if the settlement amount of the square stones is still large, a layer of stone is required to be thrown again to grind until the settlement amount of the square stones is small.
Furthermore, when different materials for throwing stones are used for replacement, the materials are required to be layered, and the same material for throwing stones is adopted in the same layer.
In this embodiment, will extrude the silt of pond edge and take away through six silt pumps when throwing the stone toward the pond, thereby prevent that most silt from flowing back again and filling in the gap of rubble, when setting up the position of taking out the silt pump, select a central point N at pond central zone, then pass central point N respectively through three datum lines, the contained angle of adjacent datum line is 60, all datum lines both ends and pond edge form the nodical, be nodical A, B, C, D, E, F respectively, then all set up a silt pump in nodical A, B, C, D, E, F position, guarantee to take out silt pump and distribute evenly, thereby form that the enclosure net will extrude the silt of pond edge and take away fast, silt clears away more thoroughly, road bed intensity after final filling is than higher.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all equivalent changes and modifications made by the description of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. A construction method for backfilling, stone throwing and silt squeezing of a pond is characterized by comprising the following steps: a central point N is selected in a pond central area, then the central point N is respectively penetrated through three reference lines, the included angles of the adjacent reference lines are all 60 degrees, the two ends of all the reference lines form intersection points with the pond edge, the intersection points are A, B, C, D, E, F respectively, then a sludge pumping pump is arranged at the position of the intersection point A, B, C, D, E, F, and sludge extruded to the pond edge is pumped away through six sludge pumping pumps when stones are thrown to the pond.
2. The pond backfill riprap desilting construction method according to claim 1, wherein before riprap is riprap removed, surface vegetation and construction waste in the riprap range are removed by an excavator, and meanwhile manual cleaning is matched.
3. The pond backfill, riprap and silt squeezing construction method according to claim 1, wherein riprap materials are used for field excavation of the square stones, the mud content of the square stones is less than or equal to 10%, and strength tests are required to be carried out on the square stones.
4. The pond backfill riprap desilting and desilting construction method according to claim 3, wherein during riprap construction, an excavator is matched with a loader to uniformly riprap a first layer of square stones within an operation radius, then the excavator moves back and forth to roll the first layer of square stones, after the square stones sink to be flush with a substrate, a second layer of riprap is performed, the second layer of riprap is performed by the same method after finishing the riprap construction, if the square stones do not obviously sink, the next construction section can be performed by extending forwards, and if the settlement amount of the square stones is still large, a layer of the square stones needs to be ripened again to roll until the settlement amount of the square stones is small.
5. The pond backfill riprap desilting construction method according to claim 4, wherein when different riprap materials are used for replacement, the riprap replacement is carried out in layers, and the same riprap material is used in the same layer.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110761271A (en) * | 2019-10-18 | 2020-02-07 | 中铁八局集团第六工程有限公司 | Construction process for treating soft soil of roadbed by using riprap sludge squeezing method |
| CN113585226A (en) * | 2021-08-24 | 2021-11-02 | 中交三公局第一工程有限公司 | Soft soil foundation riprap sludge squeezing structure and construction method |
| CN114032926A (en) * | 2021-11-25 | 2022-02-11 | 武汉一冶建筑安装工程有限责任公司 | Underwater backfill method |
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| DE3827890A1 (en) * | 1988-08-17 | 1990-02-22 | Tilco Biochemie Gmbh Biolog Na | Process and filler for stabilising in particular slopes and surfaces |
| CN103510504A (en) * | 2012-06-15 | 2014-01-15 | 中国石油化工股份有限公司 | Processing method for highly saturated and uneven dredger fill soil foundation |
| JP2015059350A (en) * | 2013-09-19 | 2015-03-30 | 住友大阪セメント株式会社 | Liquefaction countermeasure method of ground |
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