CN103215944A - Multi-vibroflot resonance ground treatment equipment and method - Google Patents
Multi-vibroflot resonance ground treatment equipment and method Download PDFInfo
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- CN103215944A CN103215944A CN2013101218201A CN201310121820A CN103215944A CN 103215944 A CN103215944 A CN 103215944A CN 2013101218201 A CN2013101218201 A CN 2013101218201A CN 201310121820 A CN201310121820 A CN 201310121820A CN 103215944 A CN103215944 A CN 103215944A
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000010276 construction Methods 0.000 claims abstract description 57
- 239000002689 soil Substances 0.000 claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000003139 buffering effect Effects 0.000 claims abstract description 13
- 239000004576 sand Substances 0.000 claims description 32
- 238000009774 resonance method Methods 0.000 claims description 9
- 235000007164 Oryza sativa Nutrition 0.000 claims description 6
- 235000009566 rice Nutrition 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 230000010287 polarization Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000725 suspension Substances 0.000 abstract 3
- 239000004927 clay Substances 0.000 description 7
- 241000209094 Oryza Species 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Abstract
The invention discloses multi-vibroflot resonance ground treatment equipment and a multi-vibroflot resonance ground treatment method, and relates to the technical field of sandy soil ground treatment. The equipment comprises an equipment main body, a cantilever, a suspension cable component, channel steel, at least two steel ropes and vibration devices in a number which corresponds to that of the steel ropes, wherein the equipment main body is connected with the suspension cable component through the cantilever; the suspension cable component is fixedly connected with the middle position of the channel steel; the two sides of the channel steel are connected with the at least two uniformly distributed steel ropes; the lower parts of the steel ropes are fixedly connected with the corresponding vibration devices; the vibration devices are vibroflots in which skewed rotors driven by motors are arranged, and are provided with water inlets which are connected with a high-pressure water pump; and a buffering vibration-proof gasket is arranged between each vibration device and the corresponding steel rope. The construction method is simple, the equipment and the method are rational in design, convenient to implement, low in construction cost and high in working efficiency, can be effectively applied to a sandy soil ground treatment process, and have good treatment effects, and the construction quality is easily ensured.
Description
Technical field
The present invention relates to sandy soil foundation treatment technology field, be specifically related to a kind of several vibrating impacters resonance ground treatment facility and method thereof.
Background technology
At present, Chang Yong method for processing foundation mainly comprise water weigh down sand change fill out, by force rammer, cement mixing pile, lime-soil compaction pile, be applicable to and handle the vibrocompaction etc. that clay content is not more than 10% medium sand, coarse sand ground etc.But, because the geology of sandy soil ground has following characteristics: the one, the top aeolian sand is very loose, and bearing capacity is lower and inhomogeneous, and engineering property is poor; The 2nd, the sand clay content is less, glutinous poly-property is poor between the sand particle, and void ratio is big, seepage of water is strong; The 3rd, internal friction is bigger between unsaturated sand grains; The 4th, it is abundant etc. that phreatic water is contained.Thereby, when adopting above-mentioned method for processing foundation commonly used that the sandy soil ground is handled, have to some extent all that input cost is higher, construction technology is complicated, efficiency of construction is lower, the ground stabilization treatment effect is relatively poor, be not suitable for number of drawbacks and deficiencies such as deep foundation reinforcing.Thereby the above-mentioned geological characteristics of sandy soil ground makes that all kinds of method for processing foundation commonly used at present all can not be suitable fully.
Summary of the invention
Primary and foremost purpose of the present invention just is to overcome the existing deficiency of existing sandy soil method for processing foundation, thereby a kind of several vibrating impacters resonance ground treatment facility and method thereof are provided.
Several vibrating impacters resonance ground treatment facility of the present invention comprises equipment body, cantilever, the hoist cable assembly, channel-section steel, at least two cable wires and with the vibrating device of cable wire respective amount, equipment body is connected with the hoist cable assembly by cantilever, the hoist cable assembly is fixedlyed connected with the centre position of channel-section steel, the both sides of channel-section steel are connected with at least two cable wires of evenly arranging, the below of cable wire is fixedly connected with corresponding vibrating device, described vibrating device is provided with the vibrating impacter with motor-driven polarization rotor in being, described vibrating device is provided with water inlet, described water inlet is connected with high-pressure hydraulic pump, is provided with buffering antivibration pad between described each vibrating device and the cable wire.
The material of described buffering antivibration pad is a rubber.
The power of the spacing of described adjacent two vibrating devices and the layer of sand degree of depth, compactness and vibrating device is suitable.
When the present invention's number vibrating impacter resonance ground treatment facility is worked, the lifting of hoist cable assembly control channel-section steel, channel-section steel drives cable wire and vibrating device lifting, and after vibrating device descended, motor-driven polarization rotor shook towards the soil body, plays closely knit effect.Be provided with buffering antivibration pad between each vibrating device and the cable wire, during vibrating device work, this buffering antivibration pad can be alleviated vibration force, and the above mechanism vibrations amplitude of buffering antivibration pad is reduced.
Several vibrating impacters resonance method for processing foundation of the present invention, this method may further comprise the steps:
Step 1: measure the closely knit degree of depth of layer of sand:, on the sandy soil ground of being constructed, carry out the closely knit depth survey of layer of sand according to the method for routine;
Step 2: vibration construction: use described several vibrating impacters resonance ground treatment facility, selected several need construction location on the sandy soil ground of being constructed, the described distributing position of construction location and vibrating device that needs is suitable, each needs the job practices of construction location all identical, for any needed construction location, its work progress was as follows:
Step 201, vibrating device are in place: each vibrating device is aimed at the need construction location of current correspondence;
Step 202, vibrating device move down: control hoist cable assembly below vibrating device vertically enters in the sandy soil ground of being constructed, and until dropping to the closely knit degree of depth of described layer of sand, in the process that vibrating device moves down, described high-pressure hydraulic pump provides pressure;
Step 203, vibrating device promote: control hoist cable assembly below vibrating device promotes, the hoist cable assembly promotes identical distance back and pauses, and each time of pausing of hoist cable assembly is identical, and vibrating device stops after being promoted to ground line, in the process that vibrating device promotes, described high-pressure hydraulic pump provides pressure.
Step 3, according to designing requirement, determine the number of times of repeating step two;
Step 4, the position of shifting the hoist cable assembly need construction location to vibrate construction to other.
This method also comprises step 5, and gutter is inserted in the sandy soil ground of being constructed, and dewatering installation carries out draining by gutter.
The closely knit degree of depth of described layer of sand is a 3-25 rice.
The spacing of described adjacent vibrating device is a 1-8 rice.
The number of described vibrating device is three, constitutes three vibrating devices, described three triangular in shape arranging of vibrating device.
In the process that described vibrating device presses down, the pressure that described high-pressure hydraulic pump provides is 4.9～14.7MPa, and its output is 300L/min～500L/min.
In the process that described vibrating device promotes, the pressure that described high-pressure hydraulic pump provides is 2.4～7.4MPa, and its output is 150L/min～250L/min.
It is 50-80 centimetre that described hoist cable assembly promotes identical distance.
Each time of pausing of described hoist cable assembly is 5-10 second.
The electric current that the motor of vibrating device produced when pressure that each time of pausing of described hoist cable assembly and high-pressure hydraulic pump provide and hoist cable assembly paused at every turn is suitable.
The present invention compared with prior art has the following advantages:
The present invention not only is fit to reinforce loose medium coarse sand ground, also is fit to very much to handle clay content and is not more than 10% loose sandy soil, and the present invention can make ground obtain significant ground extruding effect, improves bearing capacity of foundation soil, eliminates the ground inhomogeneities.Be not more than 10% sandy soil ground for clay content, because this sandy soil ground is purer, glutinous poly-property is poor, and water permeability is strong, is particularly suitable for vibrating device resonance method for processing foundation.The present invention utilizes strong stream, follows powerful vibration force that the soil body is carried out closely knit processing, its basic principle is exactly to utilize the impact force of strong stream and the water logging effect that gravity produced of water, change between sand grains in the physical characteristic at hydrone, impose dither external force and quicken to promote to rearrange combination between the sand particle, reduce void ratio to reach, improve foundation soil compactness and the inhomogeneity consolidation effect in place.
The vibrating device process of pressing down of the present invention is utilized strong stream, is followed powerful vibration force that the soil body is carried out closely knit processing, high-pressure hydraulic pump provides pressure when the hoist cable assembly promotes identical distance, and pausing in the hoist cable assembly lifting process is to stay the process of shaking while promoting, being that ground is carried out the closely knit processing of secondary, is a kind of method for processing foundation efficiently.
Job practices of the present invention is simple, reasonable in design, realization is convenient and cost is low, work efficiency is fast, construction quality is easy to guarantee, can be applicable to effectively that sandy soil ground processing procedure and treatment effect are good, can effectively improve the bearing capacity of composite foundation, and effectively solve that the input cost that existing method for processing foundation exists is higher, construction technology is complicated, efficiency of construction is lower, the ground stabilization treatment effect is relatively poor in sandy soil ground processing procedure, be not suitable for number of drawbacks and deficiency such as deep foundation reinforcing.
Description of drawings
Fig. 1 is the structural representation of embodiment 1.
The specific embodiment
Below in conjunction with specific embodiment, the invention will be further described.Should be understood that following examples only are used to the present invention is described but not are used to limit scope of the present invention.
Embodiment 1
As shown in Figure 1, several vibrating impacter resonance ground treatment facilities of present embodiment comprise equipment body 8, cantilever 9, hoist cable assembly 1, channel-section steel 2, at least two cable wires 3 and with the vibrating device 4 of cable wire 3 respective amount, equipment body 8 is connected with hoist cable assembly 1 by cantilever 9, hoist cable assembly 1 is fixedlyed connected with the centre position of channel-section steel 2, the both sides of channel-section steel 2 are connected with at least two cable wires of evenly arranging 3, the below of cable wire 3 is fixedly connected with corresponding vibrating device 4, described vibrating device 4 is provided with the vibrating impacter with motor-driven polarization rotor in being, described vibrating device 4 is provided with water inlet 6, described water inlet 6 is connected with high-pressure hydraulic pump 7, is provided with buffering antivibration pad 5 between described each vibrating device 4 and the cable wire 3.
The material of described buffering antivibration pad 5 is a rubber.
The power of the spacing of described adjacent two vibrating devices 4 and the layer of sand degree of depth, compactness and vibrating device 4 is suitable.
When the present invention's number vibrating impacter resonance ground treatment facility is worked, 2 liftings of hoist cable assembly 1 control channel-section steel, channel-section steel 2 drives cable wire 3 and vibrating device 4 liftings, and after vibrating device 4 descended, motor-driven polarization rotor shook towards the soil body, plays closely knit effect.Be provided with buffering antivibration pad 5 between each vibrating device 4 and the cable wire 3, during vibrating device 4 work, this buffering antivibration pad 5 can be alleviated vibration force, and the mechanism vibrations amplitude of buffering antivibration pad more than 5 reduced.
Embodiment 2
Certain sandy soil ground, thickness are 10-12 rice, clay content 7.5%, transmission coefficient 10
-3Cm/s.
Designing requirement: the bearing capacity of 12 meters sandy soil grounds reaches 100KPa.
Step 1: measure the closely knit degree of depth of layer of sand: according to the method for routine, carry out the closely knit depth survey of layer of sand on the sandy soil ground of being constructed, the closely knit degree of depth of described layer of sand is 3 meters;
Step 2: vibration construction: use embodiment 1 described several vibrating impacters resonance ground treatment facility, the below of channel-section steel is by two cable wires and corresponding vibrating device connection, the spacing of adjacent two vibrating devices is 2 meters, each vibrating device is connected with high-pressure hydraulic pump, selected several need construction location on the sandy soil ground of being constructed, the described distributing position of construction location and vibrating device that needs is suitable, each needs the job practices of construction location all identical, for any needed construction location, its work progress was as follows:
Step 201, vibrating device are in place: each vibrating device is aimed at the need construction location of current correspondence;
Step 202, vibrating device move down: control hoist cable assembly below vibrating device vertically enters in the sandy soil ground of being constructed, until dropping to the closely knit degree of depth of described layer of sand, in the process that vibrating device moves down, described high-pressure hydraulic pump provides pressure, the pressure that described high-pressure hydraulic pump provides is 5.2MPa, and its output is 300L/min;
Step 203, vibrating device promote: control hoist cable assembly below vibrating device promotes, the hoist cable assembly promotes identical distance back and pauses, the identical distance of described lifting is 50 centimetres, each time of pausing of hoist cable assembly is identical, each time of pausing of described hoist cable assembly is 5 seconds, and vibrating device stops after being promoted to ground line, in the process that vibrating device promotes, it is 2.5MPa that described high-pressure hydraulic pump provides pressure, and its output is 150L/min.
Step 3, according to designing requirement, the number of times of determining repeating step two is 3 times;
Step 4, the position of shifting the hoist cable assembly need construction location to vibrate construction to other.
Step 5 is inserted gutter in the sandy soil ground of being constructed, and dewatering installation carries out draining by gutter.
The construction back is detected, and the bearing capacity of sandy soil ground reaches designing requirement.
Analyze as calculated, compare with form of construction work commonly used both at home and abroad at present, adopt said method to construct, the cost of saving is about 80 yuan/m
2, and the construction period can shorten more than 50%, and operate light safety.
Embodiment 3
Certain sandy soil ground, thickness are 18-25 rice, clay content 8.5%, transmission coefficient 2 * 10
-3Cm/s.
Designing requirement: the bearing capacity of 18 meters sandy soil grounds reaches 120KPa.
Step 1: measure the closely knit degree of depth of layer of sand: according to the method for routine, carry out the closely knit depth survey of layer of sand on the sandy soil ground of being constructed, the closely knit degree of depth of described layer of sand is 15 meters;
Step 2: vibration construction: use embodiment 1 described several vibrating impacters resonance ground treatment facility, the below of channel-section steel is by three cable wires and corresponding vibrating device connection, three vibrating device distributions triangular in shape, the spacing of three vibrating devices is 5 meters, each vibrating device is connected with high-pressure hydraulic pump, selected several need construction location on the sandy soil ground of being constructed, the described distributing position of construction location and vibrating device that needs is suitable, each needs the job practices of construction location all identical, for any needed construction location, its work progress was as follows:
Step 201, vibrating device are in place: each vibrating device is aimed at the need construction location of current correspondence;
Step 202, vibrating device move down: control hoist cable assembly below vibrating device vertically enters in the sandy soil ground of being constructed, until dropping to the closely knit degree of depth of described layer of sand, in the process that vibrating device moves down, described high-pressure hydraulic pump provides pressure, the pressure that described high-pressure hydraulic pump provides is 7MPa, and its output is 400L/min;
Step 203, vibrating device promote: control hoist cable assembly below vibrating device promotes, the hoist cable assembly promotes identical distance back and pauses, the identical distance of described lifting is 60 centimetres, each time of pausing of hoist cable assembly is identical, each time of pausing of described hoist cable assembly is 8 seconds, and vibrating device stops after being promoted to ground line, in the process that vibrating device promotes, it is 5MPa that described high-pressure hydraulic pump provides pressure, and its output is 200L/min.
Step 3, according to designing requirement, the number of times of determining repeating step two is 8 times;
Step 4, the position of shifting the hoist cable assembly need construction location to vibrate construction to other.
Step 5 is inserted gutter in the sandy soil ground of being constructed, and dewatering installation carries out draining by gutter.
The construction back is detected, and the bearing capacity of sandy soil ground reaches designing requirement.
Analyze as calculated, compare with form of construction work commonly used both at home and abroad at present, adopt said method to construct, the cost of saving is about 60 yuan/m
2, and the construction period can shorten more than 60%, and operate light safety.
Embodiment 4
Certain sandy soil ground, thickness are 28-35 rice, clay content 9%, transmission coefficient 6 * 10
-3Cm/s.
Designing requirement: the bearing capacity of 28 meters sandy soil grounds reaches 140KPa.
Step 1: measure the closely knit degree of depth of layer of sand: according to the method for routine, carry out the closely knit depth survey of layer of sand on the sandy soil ground of being constructed, the closely knit degree of depth of described layer of sand is 25 meters;
Step 2: vibration construction: use embodiment 1 described several vibrating impacters resonance ground treatment facility, the below of channel-section steel is by three cable wires and corresponding vibrating device connection, three vibrating device distributions triangular in shape, the spacing of three vibrating devices is 8 meters, each vibrating device is connected with high-pressure hydraulic pump, selected several need construction location on the sandy soil ground of being constructed, the described distributing position of construction location and vibrating device that needs is suitable, each needs the job practices of construction location all identical, for any needed construction location, its work progress was as follows:
Step 201, vibrating device are in place: each vibrating device is aimed at the need construction location of current correspondence;
Step 202, vibrating device move down: control hoist cable assembly below vibrating device vertically enters in the sandy soil ground of being constructed, until dropping to the closely knit degree of depth of described layer of sand, in the process that vibrating device moves down, described high-pressure hydraulic pump provides pressure, the pressure that described high-pressure hydraulic pump provides is 14MPa, and its output is 500L/min;
Step 203, vibrating device promote: control hoist cable assembly below vibrating device promotes, the hoist cable assembly promotes identical distance back and pauses, the identical distance of described lifting is 80 centimetres, each time of pausing of hoist cable assembly is identical, each time of pausing of described hoist cable assembly is 10 seconds, and vibrating device stops after being promoted to ground line, in the process that vibrating device promotes, it is 7MPa that described high-pressure hydraulic pump provides pressure, and its output is 250L/min.
Step 3, according to designing requirement, the number of times of determining repeating step two is 10 times;
Step 4, the position of shifting the hoist cable assembly need construction location to vibrate construction to other.
Step 5 is inserted gutter in the sandy soil ground of being constructed, and dewatering installation carries out draining by gutter.
The construction back is detected, and the bearing capacity of sandy soil ground reaches designing requirement.
Analyze as calculated, compare with form of construction work commonly used both at home and abroad at present, adopt said method to construct, the cost of saving is about 80 yuan/m
2, and the construction period can shorten more than 50%, and operate light safety.
Claims (10)
1. a number vibrating impacter resonance ground treatment facility, comprise equipment body, cantilever, the hoist cable assembly, channel-section steel, at least two cable wires and with the vibrating device of cable wire respective amount, equipment body is connected with the hoist cable assembly by cantilever, the hoist cable assembly is fixedlyed connected with the centre position of channel-section steel, the both sides of channel-section steel are connected with at least two cable wires of evenly arranging, the below of cable wire is fixedly connected with corresponding vibrating device, described vibrating device is provided with the vibrating impacter with motor-driven polarization rotor in being, described vibrating device is provided with water inlet, described water inlet is connected with high-pressure hydraulic pump, it is characterized in that, be provided with buffering antivibration pad between described each vibrating device and the cable wire.
2. several vibrating impacters resonance ground treatment facility as claimed in claim 1 is characterized in that the material of described buffering antivibration pad is a rubber.
3. several vibrating impacters resonance ground treatment facility as claimed in claim 1 is characterized in that the power of the spacing of described adjacent two vibrating devices and the layer of sand degree of depth, compactness and vibrating device is suitable.
4. a number vibrating impacter resonance method for processing foundation is characterized in that this method may further comprise the steps:
Step 1: measure the closely knit degree of depth of layer of sand:, on the sandy soil ground of being constructed, carry out the closely knit depth survey of layer of sand according to the method for routine;
Step 2: vibration construction: use described several the vibrating impacters resonance of claim 1 ground treatment facility, selected several need construction location on the sandy soil ground of being constructed, the described distributing position of construction location and vibrating device that needs is suitable, each needs the job practices of construction location all identical, for any needed construction location, its work progress was as follows:
Step 201, vibrating device are in place: each vibrating device is aimed at the need construction location of current correspondence;
Step 202, vibrating device move down: control hoist cable assembly below vibrating device vertically enters in the sandy soil ground of being constructed, and until dropping to the closely knit degree of depth of described layer of sand, in the process that vibrating device moves down, described high-pressure hydraulic pump provides pressure;
Step 203, vibrating device promote: control hoist cable assembly below vibrating device promotes, the hoist cable assembly promotes identical distance back and pauses, and each time of pausing of hoist cable assembly is identical, and vibrating device stops after being promoted to ground line, in the process that vibrating device promotes, described high-pressure hydraulic pump provides pressure.
Step 3, according to designing requirement, determine the number of times of repeating step two;
Step 4, the position of shifting the hoist cable assembly need construction location to vibrate construction to other.
5. several vibrating impacters resonance method for processing foundation as claimed in claim 4 is characterized in that, also comprises step 5, and gutter is inserted in the sandy soil ground of being constructed, and dewatering installation carries out draining by gutter.
6. several vibrating impacters resonance method for processing foundation as claimed in claim 4 is characterized in that the closely knit degree of depth of described layer of sand is a 3-25 rice.
7. several vibrating impacters resonance method for processing foundation as claimed in claim 4 is characterized in that in the process that described vibrating device presses down, the pressure that described high-pressure hydraulic pump provides is 4.9～14.7MPa, and its output is 300L/min～500L/min.
8. several vibrating impacters resonance method for processing foundation as claimed in claim 4 is characterized in that in the process that described vibrating device promotes, the pressure that described high-pressure hydraulic pump provides is 2.4～7.4MPa, and its output is 150L/min～250L/min.
9. several vibrating impacters resonance method for processing foundation as claimed in claim 4 is characterized in that each time of pausing of described hoist cable assembly is 5-10 second.
10. several vibrating impacters resonance method for processing foundation as claimed in claim 4 is characterized in that the electric current that the motor of vibrating device produced when pressure that each time of pausing of described hoist cable assembly and high-pressure hydraulic pump provide and hoist cable assembly paused at every turn is suitable.
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| CN201310121820.1A CN103215944B (en) | 2013-04-10 | 2013-04-10 | Multi-vibroflot resonance ground treatment equipment and method |
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| CN104973416A (en) * | 2014-04-08 | 2015-10-14 | 广东工业大学 | Composite structure antivibration buffer arm |
| CN105986567A (en) * | 2015-02-02 | 2016-10-05 | 上海港湾基础建设（集团）有限公司 | Quick resonance compacting method for island-reef coral filled fragment sandy soil |
| CN106192980A (en) * | 2016-08-30 | 2016-12-07 | 徐望 | A kind of method of dither closely knit sandstone ground |
| CN114441435A (en) * | 2022-04-07 | 2022-05-06 | 水利部交通运输部国家能源局南京水利科学研究院 | Filler-free vibroflotation test device and method for simulating sandy soil in original stress state |
| DE102021128776A1 (en) | 2021-11-04 | 2023-05-04 | Alexander Degen | Vibrating device and method for soil compaction |
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| CN106400775B (en) * | 2016-10-28 | 2018-10-02 | 上海港湾基础建设（集团）股份有限公司 | A kind of strength board-plugging device and the plate plug method using the strength board-plugging device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102021128776A1 (en) | 2021-11-04 | 2023-05-04 | Alexander Degen | Vibrating device and method for soil compaction |
| CN114441435A (en) * | 2022-04-07 | 2022-05-06 | 水利部交通运输部国家能源局南京水利科学研究院 | Filler-free vibroflotation test device and method for simulating sandy soil in original stress state |
| CN114441435B (en) * | 2022-04-07 | 2022-06-28 | 水利部交通运输部国家能源局南京水利科学研究院 | Filler-free vibroflotation test device and method for simulating sandy soil in-situ stress state |
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