CN107165155B - Disturbance device and its construction method for structural soft soil - Google Patents
Disturbance device and its construction method for structural soft soil Download PDFInfo
- Publication number
- CN107165155B CN107165155B CN201710545677.7A CN201710545677A CN107165155B CN 107165155 B CN107165155 B CN 107165155B CN 201710545677 A CN201710545677 A CN 201710545677A CN 107165155 B CN107165155 B CN 107165155B
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- plate
- transverse
- connecting plate
- sleeve
- vibration
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/18—Placing by vibrating
Abstract
The invention discloses a kind of disturbance devices and its construction method for structural soft soil, disturbance device includes transverse-vibration movable plate, connecting plate and connection sleeve, connection sleeve is mounted on the sleeve lower end of plastic draining panel vibration board-plugging device, connecting plate is fixed on connection sleeve, connecting plate is vertical with the axial direction for connecting sleeve, transverse-vibration movable plate is rotatably coupled to the end of connecting plate, and the top of connecting plate is equipped with restriction plate, and restriction plate is fixed on connection sleeve.The present invention has construction simply, the good feature of disturbance effect, the disturbance stabilization by drainage suitable for structural soft soil.
Description
Technical field
The present invention relates to a kind of disturbance device and its construction method for structural soft soil, in particular to one kind is placed in
Disturbance device and its construction method on plastic drain board flashboard machine sleeve, the disturbance stabilization by drainage suitable for structural soft soil.
Background technique
With the development of China's Tidal Flat Reclamation building cause, especially propose to promote sea in China's " 12th Five-Year Plan " planning outline
After foreign economic development, the requirement for border on the sea land-based area area and development rate is necessarily promoted.And China's Coastal Areas soft clay point
Cloth is extensive, high sensitivity, and engineering properties is poor.Therefore, in the Process of Engineering Construction such as road, sea wall, it is necessary to marine soft soil into
Row is reinforced.
And the natural of the shallow-layer soft clay of the coastal areas crude sedimentation such as the Tianjin in China, Lianyun Harbour, Ningbo, Zhanjiang contains
Water rate is higher than liquid limit, and the engineering accident to come down of collapsing, these engineerings occur frequently for construction of buildings on these Soft Clay Foundations
Accident is similar with the engineering problem that Northern Europe and Canadian stream clay area encounter, and is mainly due to sea and generates into regression
Marine facies structural soft soil.
This is because many marine clays of Deposits in Eastern Coastal China experienced deposition of the sea into period under briny environment, and
It is influenced afterwards in the rear depositional phase by salinity lixiviation, hole water chemistry property is changed.Since salinity subtracts in pore water
Few, liquid limit reduces in crude sedimentation soil, and natural moisture content during salinity lixiviation due to the work of soil structure resistance to deformation
With variation is nearly free from, it is far longer than soil body liquid limit so as to cause natural moisture content, such result necessarily causes to be subjected to salt
The undrained strength of the remodeling sample of the low activity crude sedimentation marine facies structured soils of lixiviation is divided to be greatly lowered, and then significantly
Improve the sensitivity of crude sedimentation soil.Highly sensitive crude sedimentation soil necessarily causes soil structures unstable, and soil structures are unstable
It is fixed, under external environment (such as building load, excavation of foundation pit, construction disturbance, traffic loading, earthquake load) effect, original state
The soil structures of sample are subject to destruction and unstability.
When handling highly sensitive marine facies structured soil ground using conventional discharge concretion technology, necessarily encounters following engineerings and ask
Topic: natural marine intermediate deposits are in long-term deposition and rear deposition process, the work of the consolidation yield stress of the soil body in time effect
Increased substantially under, with normal consolidation history natural marine intermediate deposits consolidation yield stress be frequently larger than its it is effective on
Cover pressure, imposed load deforms very little when being less than consolidation yield stress, such result is again often such that preloading, vacuum preloading
Quite a few in load is used to overcome the consolidation yield stress of the crude sedimentation soil body, so that foundation stabilization effect is unobvious.
Using the technical solution drained again is first disturbed, the disturbance that the soil body is first carried out with mixing pile machine etc. is needed, then set
Drain bar, and the project cost of this scheme is huge, claim for eot, it is difficult to it promotes and applies.
Therefore according to current actual conditions and technical conditions, a kind of combinable existing plastic drain board flashboard machine is needed
Water discharge technology is disturbed, disturbance effect is obvious, and project cost is cheap, and construction period is reasonable, and makes duration, construction investment, engineering
It being capable of reasonable balance between quality.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of disturbance device for structural soft soil and its
Construction method.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of disturbance device for structural soft soil, including transverse-vibration movable plate, connecting plate and connection sleeve, the connection
Sleeve is mounted on the sleeve lower end of plastic draining panel vibration board-plugging device, and the connecting plate is fixed on the connection sleeve, described
Connecting plate is vertical with the connection axial direction of sleeve, and the transverse-vibration movable plate is rotatably coupled to the end of the connecting plate
The top in portion, the connecting plate is equipped with restriction plate, and the restriction plate is fixed on the connection sleeve.
Preferably, the connecting plate have it is multiple, and multiple connecting plates connection sleeve on the outside of sustained height on uniformly
It is distributed, is equipped with restriction plate above each connecting plate, end is respectively connected with transverse-vibration movable plate.
Preferably, the length of the restriction plate is greater than the length of the connecting plate.
Preferably, being additionally provided with floor below the connecting plate, described floor one end is fixed on connecting plate, the other end
It is fixed on connection sleeve.
Preferably, the transverse-vibration movable plate is hinged by connecting shaft with connecting plate.
Preferably, the end of the connecting plate is equipped with groove, one end of the transverse-vibration movable plate is equipped with protrusion, described
Protrusion is inserted into the groove of the connecting plate, and the connecting shaft, which passes through connecting plate end and the protrusion of transverse-vibration movable plate, makes cross
It is rotatably coupled on connecting plate to oscillating plate.
Preferably, the transverse-vibration movable plate is rectangular steel plates, reinforcing bar or T-steel.
A kind of construction method using the above-mentioned disturbance device for structural soft soil, comprising the following steps:
1) spacing is set according to drain bar design, selects the length of transverse-vibration movable plate, corresponding disturbance device is made, and
It is mounted on the sleeve of plastic draining panel vibration board-plugging device；
2) during setting plastic draining board, sleeve need to be hammered using vibration hammer, transverse-vibration movable plate can be hindered in the lower part soil body
The lower expansion of power effect, vibrates the soil body, destroys the original structure of the soil body；
3) after plastic draining board is set in place, sleeve is above pulled out, oscillating plate can bounce back under the effect of the top soil body at this time, be convenient for
It is pulled out on sleeve；
4) after disturbance device extracts ground completely, the plastic draining board of certain length is stayed to basset by design requirement,
Convenient for the connection of later period transverse drainage bed course and plastic draining board.
The beneficial effects of the present invention are:
(1), the present invention enriches structural soft soil method for processing foundation, compared with traditional draining concretion method, to the soil body
Disturbance effect is obvious, convenient for native pore water discharge；Compared with first disturbing drainage again, project cost can be greatly reduced, the duration
Shorten.
(2), plastic draining board is set in place, and during above pulling out sleeve, transverse-vibration movable plate can be acted in the top soil body at this time
Lower retraction, convenient for pulling out on sleeve, while can reduce plastic draining board rewinds phenomenon.
(3), only need to be by the sleeve weld of disturbance device and plastic draining panel vibration board-plugging device in work progress, letter of constructing
It is single.
Detailed description of the invention
Fig. 1 is main view of the invention；
Fig. 2 is the Section A-A figure of Fig. 1；
Fig. 3 is the section B-B figure of Fig. 1；
Main view when Fig. 4 transverse-vibration movable plate of the present invention bounces back；
State diagram of Fig. 5 present invention in work progress figure.
Reference signs list:
In figure: 1- sleeve, 2- disturbance device, 3- restriction plate, 4- transverse-vibration movable plate, 5- floor, 6- plastic draining board, 7- connect
Fishplate bar, 8- connecting shaft, 9- connection sleeve, 10- vibration hammer.
Specific embodiment
Present invention will be further described below with reference to the accompanying drawings and specific embodiments:
As shown in fig. 1 to fig. 4, a kind of disturbance device for structural soft soil, disturbance device 2 and plastic drain board flashboard
The sleeve 1 of machine welds, and disturbance device 2 includes transverse-vibration movable plate 4, connecting plate 7 and connection sleeve 9, and connection sleeve 9 is mounted on plastics
1 lower end of sleeve of panel vibration board-plugging device is drained, connecting plate 7 is fixed on connection sleeve 9, connecting plate 7 and the axial direction for connecting sleeve 9
Direction is vertical, and transverse-vibration movable plate 4 is rotatably coupled to the end of connecting plate 7, and the material of transverse-vibration movable plate 4 can be rectangle steel
The preferable material of other mechanical strengths also can be selected in plate, reinforcing bar or T-steel.The top of connecting plate 7 is equipped with restriction plate 3, restriction plate
3 are fixed on connection sleeve 9.The length of restriction plate 3 is greater than the length of connecting plate 7.Restriction plate 3 is for limiting transverse-vibration movable plate 4
Rotational angle.
Connecting plate 7 can have multiple, be arranged four connecting plates 7 in this example altogether, and four connecting plates 7 are outside connection sleeve 9
It is uniformly distributed on the sustained height of side, the quantity of connecting plate 7 can determines according to actual conditions, in the top of each connecting plate 7
It is equipped with restriction plate 3, end is respectively connected with transverse-vibration movable plate 4.The lower section of connecting plate 7 is additionally provided with floor 5, and 5 one end of floor is fixed
On connecting plate 7, the other end is fixed on connection sleeve 9.Floor 5 plays the role of reinforcing connecting plate 7.
Transverse-vibration movable plate 4 and connecting plate 7 are hinged by connecting shaft 8.The end of connecting plate 7 is equipped with groove, transverse-vibration movable plate 4
One end be equipped with protrusion, protrusion be inserted into connecting plate 7 groove in, connecting shaft 8 pass through 7 end of connecting plate and transverse-vibration movable plate
4 protrusion is rotatably coupled to transverse-vibration movable plate 4 on connecting plate 7, and transverse-vibration movable plate 4 can rotate in perpendicular.
In this example connecting plate 7 with connect sleeve 9, restriction plate 3 with connect sleeve 9, floor 5 and connecting plate 7 and floor 5 with
The mode that welding is all made of between connection sleeve 9 is fixedly connected, and connection sleeve 9 is also to be fixed on by welding in plastics
Drain 1 lower end of sleeve of panel vibration board-plugging device.
During plastic draining board 6 is set, transverse-vibration movable plate 4 can be unfolded under the soil body resistance of lower part, while limited making sheet 3
Effect, transverse-vibration movable plate 4 is vertical with sleeve 1.Under the action of plate machine vibratory hammer 10, it will be vibrated by transverse-vibration movable plate 4
Dispersion reaches surrounding soil, vibrates the soil body sufficiently, destroys that its is structural, and soil body pore water is made to be easier to drain；Plastic draining board 6
After setting in place, during pulling out on sleeve 1, transverse-vibration movable plate 4 can be downward around connecting shaft 8 under the soil body drag effect of top
Rotation, convenient for pulling out recycling on sleeve 1.
The working condition of the present invention in the construction process is as shown in figure 5, using provided by the present invention for structural soft soil
Disturbance device construction method, comprising the following steps:
1) spacing is set according to drain bar design, selects the length of transverse-vibration movable plate 4, corresponding disturbance device 2 is made,
And it is mounted on the sleeve 1 of plastic draining panel vibration board-plugging device；
2) position plastic draining board 6 sets position, and plastic draining board 6 is squeezed into ground by sleeve 1, sets plastic row
During water plate 6, sleeve 1 need to be hammered using vibration hammer 10, transverse-vibration movable plate 4 can be unfolded under the soil body drag effect of lower part, right
The soil body is vibrated, and the original structure of the soil body is destroyed；
3) after plastic draining board 6 is set in place, sleeve 1 is above pulled out, oscillating plate can bounce back under the effect of the top soil body at this time, just
It is pulled out on sleeve 1, while can reduce plastic draining board 6 rewinds phenomenon；
4) after disturbance device extracts ground completely, the plastic draining board 6 of certain length is stayed to basset by design requirement,
Convenient for the connection of later period transverse drainage bed course and plastic draining board 6, after setting to plastic draining board 6, it is laid with transverse drainage
Layer carries out prepressing water discharge.
The diameter of plastic draining panel vibration board-plugging device sleeve 1 is 25cm in this example, and plastic draining board 6 sets spacing and is
1.0m, take connection 9 outer diameter 25cm of sleeve, internal diameter 22cm, round tube wall thickness be 15mm steel pipe, transverse-vibration movable plate 4 use length for
0.5m, sectional dimension 10cm*2cm.Connecting plate 7 uses sectional dimension for 5cm*2cm, with a thickness of 2cm, is welded on connection sleeve
On 9.It is 1cm by diameter, the steel shaft that length is 10cm is hinged by transverse-vibration movable plate 4 and connecting plate 7 as connecting shaft 8.
Vibration hammer 10 is 2.5t, selects the motor that power is 3kw for affecting vibration hammer 10.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (7)
1. a kind of disturbance device for structural soft soil, which is characterized in that including transverse-vibration movable plate, connecting plate and connector sleeve
Cylinder, the connection sleeve are mounted on the sleeve lower end of plastic draining panel vibration board-plugging device, and the connecting plate is fixed on the connection
On sleeve, the connecting plate is vertical with the connection axial direction of sleeve, and the transverse-vibration movable plate is rotatably connected to institute
The end of connecting plate is stated, the top of the connecting plate is equipped with restriction plate, and the restriction plate is fixed on the connection sleeve, described
The length of restriction plate is greater than the length of the connecting plate, and the restriction plate is for limiting the transverse-vibration movable plate, when the transverse direction
When oscillating plate is expanded to vertical with the connection sleeve, the restriction plate can stop the transverse-vibration movable plate, prevent the transverse direction
Oscillating plate continues up rotation.
2. as described in claim 1 be used for structural soft soil disturbance device, which is characterized in that the connecting plate have it is multiple,
And multiple connecting plates are uniformly distributed on the sustained height on the outside of connection sleeve, are equipped with restriction plate above each connecting plate,
End is respectively connected with transverse-vibration movable plate.
3. being used for the disturbance device of structural soft soil as described in claim 1, which is characterized in that the lower section of the connecting plate is also
Equipped with floor, described floor one end is fixed on connecting plate, and the other end is fixed on connection sleeve.
4. being used for the disturbance device of structural soft soil as described in claim 1, which is characterized in that the transverse-vibration movable plate and company
Fishplate bar is hinged by connecting shaft.
5. being used for the disturbance device of structural soft soil as claimed in claim 4, which is characterized in that the end of the connecting plate is set
Fluted, one end of the transverse-vibration movable plate is equipped with protrusion, and the protrusion is inserted into the groove of the connecting plate, the company
Spindle, which passes through connecting plate end and the protrusion of transverse-vibration movable plate, is rotatably connected to transverse-vibration movable plate on connecting plate.
6. being used for the disturbance device of structural soft soil as described in claim 1, which is characterized in that the transverse-vibration movable plate is square
Shape steel plate.
7. a kind of construction method using the disturbance device for structural soft soil as claimed in any one of claims 1 to 6,
Characterized by comprising the following steps:
1) spacing is set according to drain bar design, selects the length of transverse-vibration movable plate, corresponding disturbance device is made, and install
On the sleeve of plastic draining panel vibration board-plugging device；
2) during setting plastic draining board, sleeve need to be hammered using vibration hammer, transverse-vibration movable plate can be made in lower part soil body resistance
With lower expansion, the soil body is vibrated, destroys the original structure of the soil body；
3) after plastic draining board is set in place, sleeve is above pulled out, oscillating plate can bounce back under the effect of the top soil body at this time, be convenient for sleeve
On pull out；
4) it after disturbance device extracts ground completely, stays the plastic draining board of certain length to basset by design requirement, is convenient for
The connection of later period transverse drainage bed course and plastic draining board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710545677.7A CN107165155B (en) | 2017-07-06 | 2017-07-06 | Disturbance device and its construction method for structural soft soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710545677.7A CN107165155B (en) | 2017-07-06 | 2017-07-06 | Disturbance device and its construction method for structural soft soil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107165155A CN107165155A (en) | 2017-09-15 |
| CN107165155B true CN107165155B (en) | 2019-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710545677.7A Active CN107165155B (en) | 2017-07-06 | 2017-07-06 | Disturbance device and its construction method for structural soft soil |
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| Country | Link |
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| CN (1) | CN107165155B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114606842A (en) * | 2022-03-23 | 2022-06-10 | 浙江交工集团股份有限公司港航工程分公司 | Construction device and construction method for EPS foam particle mixed light soil roadbed |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54155609A (en) * | 1978-05-30 | 1979-12-07 | Tatsuo Morimoto | Drain board used for improvement of weak ground and its preparation and its driving device |
| CN102312425A (en) * | 2011-09-02 | 2012-01-11 | 宫能和 | Vibrating drain board device |
-
2017
- 2017-07-06 CN CN201710545677.7A patent/CN107165155B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54155609A (en) * | 1978-05-30 | 1979-12-07 | Tatsuo Morimoto | Drain board used for improvement of weak ground and its preparation and its driving device |
| CN102312425A (en) * | 2011-09-02 | 2012-01-11 | 宫能和 | Vibrating drain board device |
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| Publication number | Publication date |
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| CN107165155A (en) | 2017-09-15 |
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Application publication date: 20170915 Assignee: Huaian Jiahui waterproof Engineering Center Assignor: HOHAI University Contract record no.: X2020320000403 Denomination of invention: Disturbance device for structural soft soil and its construction method Granted publication date: 20190305 License type: Common License Record date: 20201228 |