CN215367101U - Artificial beach soft foundation curing device - Google Patents
Artificial beach soft foundation curing device Download PDFInfo
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- CN215367101U CN215367101U CN202121251784.7U CN202121251784U CN215367101U CN 215367101 U CN215367101 U CN 215367101U CN 202121251784 U CN202121251784 U CN 202121251784U CN 215367101 U CN215367101 U CN 215367101U
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Abstract
The utility model relates to an artificial beach soft foundation curing device, which comprises a buoyancy tank crawler excavator, a double-wheel milling and stirring device, a buoyancy tank crawler sludge pumping vehicle, a sludge conveying pipe and a plurality of mold bags, wherein the buoyancy tank crawler excavator is connected with the buoyancy tank crawler excavator; the buoyancy tank crawler excavator and the buoyancy tank type crawler sludge pumping vehicle are installed in a combined mode; the floating box type crawler silt pumping vehicle is provided with a water injection pipe, and the water injection pipe faces a hydraulic fill medium conveying water source to form a fluid capable of being conveyed by a pipe; the output end of the floating box type crawler sludge pumping vehicle is provided with a sludge conveying pipe, and the other end of the sludge conveying pipe is connected to the double-wheel milling and stirring device; a pipeline for conveying the curing agent is arranged on the double-wheel milling and stirring device; grouting towards the mold bag from the output end of the double-wheel milling and stirring device; the construction of the utility model is basically not limited by damp; the influence of peripheral channels is small, and the cofferdam and the filling mud adopt pipelines to transport materials. The overall construction period is short: because of little influence of tidal water, the pipeline transportation is adopted, the backfill water content is controllable, the cofferdam strength is adjustable, and the beach building speed is high.
Description
Technical Field
The utility model relates to the technical field of soft foundation curing, in particular to an artificial beach soft foundation curing device.
Background
In order to achieve a stable equilibrium state of the coast and to protect the coast from the erosion of waves and tides, beaches are created by artificially promoting the accumulation of sediments on certain shore segments, called "artificial beaches". The artificial beach is built, and a certain artificial building, such as a breakwater, a spur dike and the like, is mainly built outside the shore to serve as a barrier of the coast. Between the coast and the artificial barrier, wave shadow areas are generated due to refraction and diffraction of waves, energy of waves and ocean currents is reduced, and sediment accumulation gradually develops into beaches. In the construction process, the curing agent is added into the soft foundation soil with weak bearing capacity, the aggregate structure of the soft foundation soil is changed, the intermolecular affinity of the soil is increased, and the soft foundation soil is cured into the cured soil with strong bearing capacity and low water content. The common beach building method in the prior art comprises 1, a cofferdam hydraulic reclamation method; 2. cofferdam bottom opening mud barge throwing filling method; 3. a cofferdam mud barge push filling method; 4. carrying out mud throwing filling by a cofferdam belt conveyor; 5. a cofferdam crawler mud coiling method.
A cofferdam hydraulic reclamation method: the method is suitable for large-area land construction, has high construction cost for beach construction and large environmental protection influence, is easy to cause a separation phenomenon of dredger fill sludge, and is difficult to meet the technical requirements of beach construction.
The cofferdam bottom opening mud barge throwing filling method comprises the following steps: the method has the biggest obstacle of throwing mud by opening the bottom when a cofferdam dredger enters the mud barge to a specified point, and the maximum obstacle is that the mud throwing height is 1.7m, even if a small mud barge with extremely small draft (0.4m) is adopted, the technology that the water level is more than 2.8m is required to be possible, and the work efficiency is extremely low.
The cofferdam mud barge pushing filling method comprises the following steps: the method is characterized in that cofferdams are built firstly, then flat plates are adopted to transfer the mud to a specified point, and a waiting ship machine pushes away and unloads the mud filling or lifts the mud filling, and the biggest obstacle of the method is that the water depth condition is difficult to meet the construction requirement.
A cofferdam belt conveyor mud conveying and throwing filling method: the work efficiency is too low, and the construction difficulty is high; the cost is high.
A cofferdam crawler mud coiling method: the work efficiency is too low, the cofferdam is easy to damage, the sludge is changed into flowing mud after being reversed loaded for many times, the flowing mud can only be adopted at the edge of the cofferdam, and the actual effect is not ideal.
SUMMERY OF THE UTILITY MODEL
Objects of the utility model
In order to solve the technical problems in the background technology, the utility model provides an artificial beach soft foundation curing device, which achieves the purpose that the construction is basically not limited by damp.
(II) technical scheme
In order to solve the technical problem, the utility model provides an artificial beach soft foundation curing device which comprises a buoyancy tank crawler excavator, a double-wheel milling and stirring device, a buoyancy tank crawler sludge pumping vehicle, a sludge conveying pipe and a plurality of mold bags, wherein the buoyancy tank crawler excavator is connected with the double-wheel milling and stirring device through a pipeline;
the buoyancy tank crawler excavator is combined with the buoyancy tank type crawler sludge pumping vehicle, and the buoyancy tank crawler excavator conveys hydraulic filling media towards the feeding end of the buoyancy tank type crawler sludge pumping vehicle; the floating box type crawler silt pumping vehicle is provided with a water injection pipe, and the water injection pipe faces a hydraulic fill medium conveying water source to form a fluid capable of being conveyed by a pipe; the output end of the floating box type crawler sludge pumping vehicle is provided with the sludge conveying pipe, and the sludge conveying pipe is also connected to a double-wheel milling and stirring device; a pipeline for conveying the curing agent is arranged on the double-wheel milling and stirring device; and the output end of the double-wheel milling and stirring device faces the mould bag for grouting.
Optionally, the mould bags are kept still for more than ten hours to form the soil core mould bag cofferdam.
Optionally, the soil core mold bag cofferdam is heightened and narrowed step by step.
Optionally, the thickness of each layer of the earth core mold bag cofferdam is 400-500 mm.
Optionally, a vibrating screen for screening out large materials is arranged on the floating box type crawler sludge pumping vehicle.
Optionally, a dehydrator is connected in series with the input end of the double-wheel milling and stirring device.
The technical scheme of the utility model has the following beneficial technical effects:
1. the construction is not limited by damp water basically, and the construction can be performed in a quasi-all-weather way by matching buoyancy tank crawler type machinery;
2. the backfill mud has controllable water content and other doping substances, and has good quality;
3. as the cofferdam and the filling mud adopt pipelines to transport materials, the influence of peripheral channels is small.
4. The overall construction period is short: because of little influence of tidal water, the pipeline transportation is adopted, the backfill water content is controllable, the cofferdam strength is adjustable, and the beach building speed is high.
5. The construction cost is low, and the unit construction cost is low because the work efficiency is greatly improved, thereby being beneficial to reducing the construction cost.
Drawings
FIG. 1 is a schematic overall structure diagram in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a cofferdam in an embodiment of the utility model;
fig. 3 is a schematic diagram of a work flow in the embodiment of the present invention.
Reference numerals: 1. buoyancy tank crawler excavators; 2. a floating box type crawler sludge pumping vehicle; 3. a water injection pipe; 4. a mud conveying pipe; 5. a dehydrator; 6. a double-wheel milling and stirring device; 7. molding bags; 8. and (5) cofferdam of soil core mould bags.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-2, the artificial beach soft foundation solidification device provided by the utility model comprises a buoyancy tank crawler excavator 1, a double-wheel milling and stirring device 6, a buoyancy tank crawler sludge pumping vehicle 2, a sludge conveying pipe 4 and a plurality of mould bags 7;
the buoyancy tank crawler excavator 1 and the buoyancy tank type crawler sludge pumping vehicle 2 are installed in a combined mode, and the buoyancy tank crawler excavator 1 conveys hydraulic filling media towards the feeding end of the buoyancy tank type crawler sludge pumping vehicle 2; the floating box type crawler silt pumping vehicle 2 is provided with a water injection pipe 3, and the water injection pipe 3 faces a hydraulic fill medium conveying water source to form a fluid capable of being conveyed by a pipe; the output end of the floating box type crawler sludge pumping vehicle 2 is provided with the sludge conveying pipe 4, and the other end of the sludge conveying pipe 4 is connected to the double-wheel milling and stirring device 6; a pipeline for conveying the curing agent is arranged on the double-wheel milling and stirring device 6; the output end of the double-wheel milling and stirring device 6 is grouted towards the mould bag 7.
In the present invention, the buoyancy tank crawler excavator 1, the double-wheel milling and stirring device 6, and the buoyancy tank crawler sludge pumping vehicle may be machines commonly used in the existing market, and the detailed structure thereof is not described again.
In the embodiment, the mould bags 7 are kept still for more than ten hours to form the earth core mould bag cofferdam 8.
In this embodiment, the soil core mold bag cofferdam 8 is heightened and narrowed step by step. The thickness of each layer of the cofferdam 8 is 400-500 mm. The cofferdam crest elevation needs to be higher than the highest water level and be safely ultrahigh during construction.
For example, each layer may be 410mm, 420mm, 430mm, 440mm, 450mm, 460mm, 470mm, 480mm, 490mm, etc.
In this embodiment, the floating box type crawler sludge pumping vehicle 2 is provided with a vibrating screen for screening out large materials.
In the present embodiment, the input end of the double-wheel milling and stirring device 6 is provided with the dehydrator 5 in series.
The utility model also provides a method for curing the artificial beach soft foundation, which comprises the following steps:
s1, setting a test area, and mixing the sludge in the test area with a curing agent to reach the adding proportion of the sludge and the curing agent with the lowest strength requirement;
s2, arranging the buoyancy tank type crawler excavator, the buoyancy tank type crawler sludge pumping vehicle and the sludge conveying pipe in place;
s3, the buoyancy tank crawler excavator digs and unloads the sludge onto the buoyancy tank crawler sludge pumping vehicle to screen out large materials;
s4, stirring the sieved sludge with water according to conditions, feeding the sludge into a plunger of a high-density solid pump, strongly pushing the sludge out by an oil cylinder, and conveying the sludge into a dehydrator through sludge discharge;
s5, conveying the dehydrated slurry to the double-wheel milling and stirring device; adding a curing agent, stirring, and grouting towards the mold bag after stirring;
s6, forming a soil core mold bag cofferdam by utilizing the mold bags;
and S7, leveling and rolling the earth core mould bag cofferdam.
In step S1, test areas are provided in multiple sets, each set being a 5m by 5m square test block. In addition, other experimental blocks, such as experimental blocks with the length of 1-10m and the width of 1-10m, can also be used.
In step S3, the screening of the large materials is performed by the vibrating screen for screening the large materials provided on the floating box type crawler sludge pumping vehicle 2.
In step S6, the core bag cofferdam 8 is formed by leaving the bag 7 standing still for ten hours or more.
In step S7, leveling and rolling the surface with a road roller; for example, it may be a vibration roller, which is pressed once and then reshaped again.
During the shaping process, the rolling speed of the roller is preferably: the 1 st and 2 nd times are not more than 1.5-1.7 km/h, and the rolling speed is preferably not more than 2.0-2.5 km/h. The rolling should be performed from two sides to the center, from the lower part to the higher part.
In the rolling process, the high filling and the low filling should be cut in time, and when the phenomena of 'spring', loosening, peeling and the like occur, measures should be taken in time for treatment. Further, the curing can be carried out after 2.5 times of working.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (6)
1. An artificial beach soft foundation curing device is characterized by comprising a buoyancy tank crawler excavator (1), a double-wheel milling and stirring device (6), a buoyancy tank crawler sludge pumping vehicle (2), a sludge conveying pipe (4) and a plurality of mould bags (7);
the buoyancy tank crawler excavator (1) and the buoyancy tank crawler sludge pumping vehicle (2) are installed in a combined mode, and the buoyancy tank crawler excavator (1) conveys hydraulic filling media towards the feeding end of the buoyancy tank crawler sludge pumping vehicle (2); the floating box type crawler silt pumping vehicle (2) is provided with a water injection pipe (3), and the water injection pipe (3) faces a hydraulic fill medium conveying water source to form a fluid capable of being conveyed by a pipe; the output end of the floating box type crawler sludge pumping vehicle (2) is provided with the sludge conveying pipe (4), and the sludge conveying pipe (4) is also connected to a double-wheel milling and stirring device (6); a pipeline for conveying the curing agent is arranged on the double-wheel milling and stirring device (6); the output end of the double-wheel milling and stirring device (6) faces the mould bag (7) for grouting.
2. The artificial beach soft foundation curing device of claim 1 wherein the mould bags (7) are allowed to stand still to form an earth core mould bag cofferdam (8).
3. The artificial beach soft foundation solidification device of claim 2 wherein the earth core mold bag cofferdam (8) is stepped up and narrowed in layers.
4. The curing device for artificial beach soft foundation according to claim 2, wherein the earth core mold bag cofferdam (8) is 400-500 mm thick each layer.
5. The artificial beach soft foundation solidification apparatus of claim 1 wherein the floating box type crawler sludge pumping vehicle (2) is provided with a vibrating screen for screening out large materials.
6. The artificial beach soft foundation solidification device of claim 1 wherein the input end of the double-wheel mill agitator (6) is provided with a dewaterer (5) in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121251784.7U CN215367101U (en) | 2021-06-04 | 2021-06-04 | Artificial beach soft foundation curing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121251784.7U CN215367101U (en) | 2021-06-04 | 2021-06-04 | Artificial beach soft foundation curing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215367101U true CN215367101U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121251784.7U Active CN215367101U (en) | 2021-06-04 | 2021-06-04 | Artificial beach soft foundation curing device |
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| CN (1) | CN215367101U (en) |
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2021
- 2021-06-04 CN CN202121251784.7U patent/CN215367101U/en active Active
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