CN103215944B - Multi-vibroflot resonance ground treatment equipment and method - Google Patents
Multi-vibroflot resonance ground treatment equipment and method Download PDFInfo
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- CN103215944B CN103215944B CN201310121820.1A CN201310121820A CN103215944B CN 103215944 B CN103215944 B CN 103215944B CN 201310121820 A CN201310121820 A CN 201310121820A CN 103215944 B CN103215944 B CN 103215944B
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000010276 construction Methods 0.000 claims abstract description 63
- 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 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000003139 buffering effect Effects 0.000 claims abstract description 12
- 239000004576 sand Substances 0.000 claims description 32
- 238000012545 processing Methods 0.000 claims description 17
- 238000007796 conventional method Methods 0.000 claims description 7
- 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
- 230000001737 promoting effect Effects 0.000 claims description 5
- 238000009774 resonance method Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 abstract 3
- 239000004927 clay Substances 0.000 description 7
- 241000209094 Oryza Species 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002245 particle Substances 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
- 230000008859 change Effects 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
- 238000003672 processing method Methods 0.000 description 1
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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 processing technology field, be specifically related to a kind of several vibrating impacters resonance ground treatment facility and method thereof.
Background technology
At present, conventional method for processing foundation mainly comprises that water pendant sand changes and fills out, strong rammer, cement mixing pile, lime-soil compaction pile, is applicable to process the vibrocompaction etc. that clay content is not more than 10% medium sand, coarse sand ground etc.But, because the geology of Sandy Soil Foundation has following characteristics: the one, top aeolian sand is very loose, and bearing capacity is lower and inhomogeneous, and engineering property is poor; The 2nd, sand clay content is less, glutinous poly-property is poor between sand particle, and void ratio is large, seepage of water is strong; The 3rd, between unsaturated sand grains, internal friction is larger; The 4th, it is abundant etc. that phreatic water is contained.Thereby, while adopting above-mentioned conventional method for processing foundation to process Sandy Soil Foundation, all have to some extent that input cost is higher, complicated construction technique, efficiency of construction is lower, ground stabilization treatment effect is poor, be not suitable for number of drawbacks and the deficiencies such as deep foundation reinforcing.Thereby the above-mentioned geological characteristics of Sandy Soil Foundation makes the at present conventional all kinds of method for processing foundation all can not be completely applicable.
Summary of the invention
Primary and foremost purpose of the present invention is just to overcome the existing deficiency of existing Sandy Soil Foundation processing method, 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, 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 hoist cable assembly by cantilever, hoist cable assembly is fixedly connected with the centre position of channel-section steel, the cable wire that the both sides of channel-section steel are evenly arranged with at least two is connected, 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, between described each vibrating device and cable wire, be provided with buffering antivibration pad.
The material of described buffering antivibration pad is 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 number head vibrating impacter resonance ground treatment facility work of the present invention, the lifting of hoist cable assembly control channel-section steel, channel-section steel band running wire and vibrating device lifting, after vibrating device declines, motor drives polarization rotor to shake and rushes the soil body, plays closely knit effect.Between each vibrating device and cable wire, be provided with buffering antivibration pad, when vibrating device work, this buffering antivibration pad can be alleviated vibration force, and the mechanism vibrations amplitude that makes to cushion more than antivibration pad reduces.
Several vibrating impacters resonance method for processing foundation of the present invention, the method comprises the following steps:
Step 1: measure the closely knit degree of depth of layer of sand: according to conventional method, carry out the closely knit depth survey of layer of sand on constructed Sandy Soil Foundation;
Step 2: vibration construction: use several described vibrating impacter resonance ground treatment facilities, on constructed Sandy Soil Foundation, selected several need construction location, the described distributing position of construction location and vibrating device that needs is suitable, each construction method of construction location that needs is all identical, for any needs construction location, its work progress is as follows:
Step 201, vibrating device are in place: each vibrating device is aimed at the construction location that needs of current correspondence;
Step 202, vibrating device move down: control hoist cable assembly below vibrating device and vertically enter in constructed Sandy Soil Foundation, until drop 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 and promote, hoist cable assembly pauses after promoting identical distance, 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.
This method also comprises step 5, and gutter is inserted in the Sandy Soil Foundation of constructing, and dewatering installation carries out draining by gutter.
The closely knit degree of depth of described layer of sand is 3-25 rice.
The spacing of described adjacent vibrating device is 1-8 rice.
The number of described vibrating device is three, forms 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 when pressure that each time of pausing of described hoist cable assembly and high-pressure hydraulic pump provide and hoist cable assembly pause at every turn, the motor of vibrating device produces is suitable.
The present invention compared with prior art has the following advantages:
The present invention is not only applicable to reinforcing loose medium coarse sand ground, is also applicable to very much processing 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 ground inhomogeneities.Be not more than 10% Sandy Soil Foundation for clay content, because this Sandy Soil Foundation 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 to carry out closely knit processing to the soil body, its basic principle is exactly the water logging effect that utilizes the impact force of strong stream and the gravity of water to produce, change between sand grains in physical characteristic at hydrone, impose dither external force and accelerate to promote to rearrange combination between sand particle, reduce void ratio to reach, improve foundation soil compactness and the inhomogeneity consolidation effect in place.
Vibrating device of the present invention presses down process and utilizes strong stream, follows powerful vibration force to carry out closely knit processing to the soil body, when hoist cable assembly promotes identical distance, high-pressure hydraulic pump provides pressure, and in hoist cable assembly lifting process, pausing is the process of lifting limit, limit vibration staying, being that ground is carried out to the closely knit processing of secondary, is a kind of method for processing foundation efficiently.
Construction method 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, Sandy Soil Foundation processing procedure can be effectively applicable to and treatment effect is good, can effectively improve the bearing capacity of composite foundation, and effectively solve that the input cost that existing method for processing foundation exists in Sandy Soil Foundation processing procedure is higher, complicated construction technique, efficiency of construction is lower, ground stabilization treatment effect is poor, be not suitable for number of drawbacks and the deficiencies such as deep foundation reinforcing.
Accompanying drawing explanation
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 are only for the present invention is described but not for limiting scope of the present invention.
As shown in Figure 1, several the vibrating impacter resonance ground treatment facilities of the 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 fixedly connected with the centre position of channel-section steel 2, the cable wire 3 that the both sides of channel-section steel 2 are evenly arranged with at least two is connected, 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, between described each vibrating device 4 and cable wire 3, be provided with buffering antivibration pad 5.
The material of described buffering antivibration pad 5 is 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 number head vibrating impacter resonance ground treatment facility work of the present invention, hoist cable assembly 1 is controlled channel-section steel 2 liftings, and channel-section steel 2 is with running wire 3 and vibrating device 4 liftings, and after vibrating device 4 declines, motor drives polarization rotor to shake and rushes the soil body, plays closely knit effect.Between each vibrating device 4 and cable wire 3, be provided with buffering antivibration pad 5, when vibrating device 4 is worked, this buffering antivibration pad 5 can be alleviated vibration force, makes to cushion the more than 5 mechanism vibrations amplitude of antivibration pad and reduces.
Certain Sandy Soil Foundation, thickness is 10-12 rice, clay content 7.5%, transmission coefficient 10
-3cm/s.
Designing requirement: the bearing capacity of 12 meters of Sandy Soil Foundations reaches 100KPa.
Step 1: measure the closely knit degree of depth of layer of sand: according to conventional method, carry out the closely knit depth survey of layer of sand on constructed Sandy Soil Foundation, the closely knit degree of depth of described layer of sand is 3 meters;
Step 2: vibration construction: several vibrating impacters resonance ground treatment facilities described in use embodiment 1, the below of channel-section steel connects with corresponding vibrating device by two cable wires, the spacing of adjacent two vibrating devices is 2 meters, each vibrating device is connected with high-pressure hydraulic pump, on constructed Sandy Soil Foundation, selected several need construction location, the described distributing position of construction location and vibrating device that needs is suitable, each construction method of construction location that needs is all identical, for any needs construction location, its work progress is as follows:
Step 201, vibrating device are in place: each vibrating device is aimed at the construction location that needs of current correspondence;
Step 202, vibrating device move down: control hoist cable assembly below vibrating device and vertically enter in constructed Sandy Soil Foundation, until drop 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 and promote, hoist cable assembly pauses after promoting identical distance, 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.
After construction, detect, the bearing capacity of Sandy Soil Foundation reaches designing requirement.
Analyze as calculated, compared with current domestic and international conventional form of construction work, 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.
Certain Sandy Soil Foundation, thickness is 18-25 rice, clay content 8.5%, transmission coefficient 2 × 10
-3cm/s.
Designing requirement: the bearing capacity of 18 meters of Sandy Soil Foundations reaches 120KPa.
Step 1: measure the closely knit degree of depth of layer of sand: according to conventional method, carry out the closely knit depth survey of layer of sand on constructed Sandy Soil Foundation, the closely knit degree of depth of described layer of sand is 15 meters;
Step 2: vibration construction: several vibrating impacters resonance ground treatment facilities described in use embodiment 1, the below of channel-section steel connects with corresponding vibrating device by three cable wires, 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, on constructed Sandy Soil Foundation, selected several need construction location, the described distributing position of construction location and vibrating device that needs is suitable, each construction method of construction location that needs is all identical, for any needs construction location, its work progress is as follows:
Step 201, vibrating device are in place: each vibrating device is aimed at the construction location that needs of current correspondence;
Step 202, vibrating device move down: control hoist cable assembly below vibrating device and vertically enter in constructed Sandy Soil Foundation, until drop 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 and promote, hoist cable assembly pauses after promoting identical distance, 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.
After construction, detect, the bearing capacity of Sandy Soil Foundation reaches designing requirement.
Analyze as calculated, compared with current domestic and international conventional form of construction work, 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.
Certain Sandy Soil Foundation, thickness is 28-35 rice, clay content 9%, transmission coefficient 6 × 10
-3cm/s.
Designing requirement: the bearing capacity of 28 meters of Sandy Soil Foundations reaches 140KPa.
Step 1: measure the closely knit degree of depth of layer of sand: according to conventional method, carry out the closely knit depth survey of layer of sand on constructed Sandy Soil Foundation, the closely knit degree of depth of described layer of sand is 25 meters;
Step 2: vibration construction: several vibrating impacters resonance ground treatment facilities described in use embodiment 1, the below of channel-section steel connects with corresponding vibrating device by three cable wires, 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, on constructed Sandy Soil Foundation, selected several need construction location, the described distributing position of construction location and vibrating device that needs is suitable, each construction method of construction location that needs is all identical, for any needs construction location, its work progress is as follows:
Step 201, vibrating device are in place: each vibrating device is aimed at the construction location that needs of current correspondence;
Step 202, vibrating device move down: control hoist cable assembly below vibrating device and vertically enter in constructed Sandy Soil Foundation, until drop 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 and promote, hoist cable assembly pauses after promoting identical distance, 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.
After construction, detect, the bearing capacity of Sandy Soil Foundation reaches designing requirement.
Analyze as calculated, compared with current domestic and international conventional form of construction work, 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 (5)
1. a number vibrating impacter resonance ground treatment facility, comprise equipment body, cantilever, 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 hoist cable assembly by cantilever, hoist cable assembly is fixedly connected with the centre position of channel-section steel, the cable wire that the both sides of channel-section steel are evenly arranged with at least two is connected, 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, between described each vibrating device and cable wire, be provided with buffering antivibration pad, when described vibrating device work, this buffering antivibration pad can be alleviated vibration force, the mechanism vibrations amplitude that makes to cushion more than antivibration pad reduces, 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.
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 rubber.
3. a number vibrating impacter resonance method for processing foundation, is characterized in that, the method comprises the following steps:
Step 1: measure the closely knit degree of depth of layer of sand: according to conventional method, carry out the closely knit depth survey of layer of sand on constructed Sandy Soil Foundation; The closely knit degree of depth of described layer of sand is 3-25 rice;
Step 2: vibration construction: right to use requires several vibrating impacter resonance ground treatment facilities described in 1, on constructed Sandy Soil Foundation, selected several need construction location, the described distributing position of construction location and vibrating device that needs is suitable, each construction method of construction location that needs is all identical, for any needs construction location, its work progress is as follows:
Step 201, vibrating device are in place: each vibrating device is aimed at the construction location that needs of current correspondence;
Step 202, vibrating device move down: control hoist cable assembly below vibrating device and vertically enter in constructed Sandy Soil Foundation, until drop 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; 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;
Step 203, vibrating device promote: control hoist cable assembly below vibrating device and promote, hoist cable assembly pauses after promoting identical distance, 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; 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; Each time of pausing of described hoist cable assembly is 5-10 second;
Step 3, according to designing requirement, determine the number of times of repeating step two;
Step 4, the position of shifting hoist cable assembly, need construction location to vibrate construction to other.
4. several vibrating impacters resonance method for processing foundation as claimed in claim 3, is characterized in that, also comprises step 5, and gutter is inserted in the Sandy Soil Foundation of constructing, and dewatering installation carries out draining by gutter.
5. several vibrating impacters resonance method for processing foundation as claimed in claim 3, is characterized in that, the electric current that when pressure that each time of pausing of described hoist cable assembly and high-pressure hydraulic pump provide and hoist cable assembly pause at every turn, the motor of vibrating device produces is suitable.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106400775A (en) * | 2016-10-28 | 2017-02-15 | 上海港湾基础建设（集团）有限公司 | Strong plate inserting machine and plate inserting method using strong plate inserting machine |
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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 |
| CN106192980B (en) * | 2016-08-30 | 2017-06-06 | 徐望 | A kind of method of the closely knit sandstone ground of dither |
| DE102021128776A1 (en) | 2021-11-04 | 2023-05-04 | Alexander Degen | Vibrating device and method for soil compaction |
| 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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| CN103215944A (en) | 2013-07-24 |
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