CN209636804U - Orientation constantly regulates and controls the isolation pile of displacement - Google Patents
Orientation constantly regulates and controls the isolation pile of displacement Download PDFInfo
- Publication number
- CN209636804U CN209636804U CN201920024561.3U CN201920024561U CN209636804U CN 209636804 U CN209636804 U CN 209636804U CN 201920024561 U CN201920024561 U CN 201920024561U CN 209636804 U CN209636804 U CN 209636804U
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- prefabricated
- jack
- displacement
- unit
- cambered plate
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 46
- 238000002955 isolation Methods 0.000 title claims abstract description 36
- 230000001276 controlling effect Effects 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 31
- 238000009412 basement excavation Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 12
- 238000005259 measurement Methods 0.000 description 6
- 238000009933 burial Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Abstract
The utility model discloses the isolation piles that a kind of orientation constantly regulates and controls displacement, including prefabricated pile, the prefabricated pile to be divided at least two prefabricated unit from top to bottom, is equipped with dividing layer between 2 adjacent prefabricated units in the up-down direction;Several jack are uniformly fixed on the circumferential surface of the prefabricated unit, the telescopic shaft of jack extends outwardly;Cambered plate is fixed on the telescopic shaft of the jack, the axial line of cambered plate and the axial line of prefabricated unit are overlapped;The outside of the cambered plate is respectively and fixedly provided with earth pressure gauge;And the equal signal of earth pressure gauge is connected to a control unit;Jack signal associated control unit.The utility model has the advantages that: the displacement of the deep soil formed when can preferably control excavation of foundation pit.
Description
Technical field
The present invention relates to technical field of building construction, and the isolation pile of displacement is constantly regulated and controled more particularly, to a kind of orientation.
Background technique
Unloading effect when excavation of foundation pit surrounding enviroment can be generated it is strong influence, the outer existing structure (building) in hole build object can be
The displacement into hole is generated with the outer active region soil body in hole under the Unloading Effect of the soil body in cheating.Especially in coastal weak soil
Area, the deep big foundation pit influence that this deformation is formed caused by excavating are more significant.Isolation pile is as control foundation pit or constructing tunnel
On one of the common method that neighbouring structures influence, in such a way that foundation pit or shield driving tunnel neighbour side set isolation pile,
Soil deformation transmitting outside caused hole in digging process can be effectively reduced, and then effectively controls and excavates off-load to neighbouring earth's surface
The deformation of building or underground structure influences.
But at present traditional isolation pile for the protection of deep soil on the outside of foundation pit remain some shortcomings it
Place.Firstly, the principle of isolation pile be by stiffness by itself separate soil mass displacement at the deep layer, but its there is also insufficient rigidities, thus
It is insufficient for the control requirement for cheating outer soil mass displacement at the deep layer.Secondly, isolation pile may be due to the displacement of deep soil
And whole movement occurs.Isolation pile in Excavation Process cannot regulation constantly, can only by it is initially set itself
Rigidity provides certain resistance effect, can not achieve flexibly and effectively the displacement that outer deep soil is cheated in constantly control, for certain
The case where Deformation control high requirement, is not able to satisfy.Therefore, the displacement that man-hour requirement constantly controls deep soil is applied.
Summary of the invention
The object of the present invention is to provide a kind of orient constantly to regulate and control the isolation pile of displacement, it has and can preferably control base
The characteristics of displacement for the deep soil that hole is formed when excavating.The invention also discloses a kind of methods that orientation constantly regulates and controls displacement.
The technical scheme adopted by the invention is that:
Orientation constantly regulates and controls the isolation pile of displacement, including prefabricated pile,
The prefabricated pile is divided at least two prefabricated unit from top to bottom, in the up-down direction 2 adjacent prefabricated units it
Between be equipped with dividing layer;
Uniformly it is fixed with several jack on the circumferential surface of the prefabricated unit, the telescopic shaft of jack is towards extension
It stretches;
Cambered plate, the axial line of cambered plate and the axial line weight of prefabricated unit are fixed on the telescopic shaft of the jack
It closes;
The outside of the cambered plate is respectively and fixedly provided with earth pressure gauge;
And
The equal signal of earth pressure gauge is connected to a control unit;
Jack signal associated control unit.
The outside of the cambered plate is surrounded by rubber case.
Rolling-ball unit is equipped on the same prefabricated unit between adjacent cambered plate.
The sheet metal of the fixing end for welding jack is embedded on the circumferential surface of the prefabricated unit.
It is equipped in the middle part of the prefabricated unit in vertical reinforcing bar preformed hole.
The method that orientation constantly regulates and controls displacement, the method constantly regulate and control the isolation pile of displacement using the orientation, should
Method includes:
A, determine that orientation constantly regulates and controls the burial place of the isolation pile of displacement according to foundation pit external demand environment to be protected;
B, before foundation pit is not constructed, the isolation pile that orientation constantly regulates and controls displacement is squeezed into the deep soil of selected location,
It is transferred to the pressure size under different depth when control unit pressure information acquires initial, different location according to earth pressure gauge, and
The design of pressure of measurement before foundation pit is not excavated is controlling value;
C, when excavation of foundation pit, the outer soil body of foundation pit can be caused to generate corresponding stress and displacement, thus earth pressure gauge
There is corresponding variation in the numerical value reflected, and the real-time pressure value of measurement is transferred to control unit, control unit by earth pressure gauge
The pressure value of measurement and controlling value are compared, the case where then control unit compares according to pressure, control unit is to corresponding
Jack issue telescope signal, after jack is flexible, corresponding cambered plate is mobile, until soil pressure is maintained at controlling value.
After excavation of foundation pit, the isolation pile that orientation constantly regulates and controls displacement is fetched, then filling concrete will take rapidly
The hole for orienting the isolation pile formation for constantly regulating and controlling displacement out is closely knit.
The burial place is using single, double or quincuncial Pile arrangement.
The isolation pile and method that orientation of the invention constantly regulates and controls displacement be advantageously: can preferably control base
The displacement for the deep soil that hole is formed when excavating.The present invention separates soil mass displacement at the deep layer by isolation pile, and utilizes small-sized very heavy
It pushes up to make up the part soil mass displacement at the deep layer of isolation pile insufficient rigidity generation, can effectively control due to caused by excavation of foundation pit
External soil mass displacement at the deep layer.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is the perspective view that the orientation of the embodiment of the present invention constantly regulates and controls the isolation pile of displacement;
Fig. 2 is the perspective view of dividing layer of the invention;
Fig. 3 and Fig. 4 is the action schematic diagram that the orientation of the embodiment of the present invention constantly regulates and controls the method for displacement.
In figure:
11, prefabricated unit, 12, dividing layer, 13, reinforcing bar preformed hole;
20, jack;
30, cambered plate;
40, earth pressure gauge;
50, control unit;
60, rubber case;
70, rolling-ball unit.
Specific embodiment
Embodiment, as shown in figures 1 to 4: orientation constantly regulates and controls the isolation pile of displacement, including being usually prepared by concrete
Prefabricated pile.
It is specific:
Prefabricated pile is divided at least two prefabricated unit 11 from top to bottom, in the up-down direction 2 adjacent prefabricated units 11 it
Between be equipped with dividing layer 12.In general, the whole high 6000mm of prefabricated pile, the height of each prefabricated unit 11 is 1000mm, to have
There are 6 prefabricated units 11, and the diameter of prefabricated unit 11 is according to circumstances usually 200-600mm.It should be noted that segmentation
Layer 12 can be the round steel ring for being arranged and being fixed on the engaging portion of adjacent prefabricated unit 11, and adjacent prefabricated unit 11 is simultaneously
Do not separate.That is, the middle part of the circular steel plate is equipped with the through-hole passed through for prefabricated pile.
Several jack 20 are uniformly fixed on the circumferential surface of prefabricated unit 11, the telescopic shaft of jack 20 is outwardly
Extend.In general, the jack 20 on the circumferential surface of each prefabricated unit 11 is 6, and the extension of the telescopic shaft of jack 20
Line is vertically compared to the vertical axial line of prefabricated pile.
Cambered plate 30, the axial line of cambered plate 30 and the axial line of prefabricated unit 11 are fixed on the telescopic shaft of jack 20
It is overlapped.In the present embodiment, each cambered plate 30 is 60 ° of cambered surfaces.That is, in the initial state, around the same prefabricated unit
Cambered plate 30 outside 11 forms a closed cylindrical shape, and the cylindrical shape and the prefabricated pile coaxial inner conductor.
The outside of cambered plate 30 is respectively and fixedly provided with earth pressure gauge 40.Earth pressure gauge 40 also can according to circumstances be arranged multiple.
It is more specific:
The equal signal of earth pressure gauge 40 is connected to a control unit 50;20 signal associated control unit 50 of jack.That is, soil pressure
The pressure value for the deep soil that power meter 40 can be detected is transferred to corresponding control unit 50, and control unit 50 is according to calculating
As a result the working condition of corresponding jack 20 is controlled.It is set in this way, the isolation pile that the orientation constantly regulates and controls displacement is inserted in advance
Fixed position, when excavation of foundation pit, if the earthwork in somewhere is caused to change, the pressure value of the soil in somewhere can be beyond original
Setting controlling value, the telescopic shaft of the jack 20 at this can stretch out and the cambered plate of the flexible axis connection of the jack 20
30 protrude outward, even if prefabricated pile is deformed, also can preferably offset the variation of the earthwork, protect the Environmental security of foundation pit periphery.
Optimization:
The outside of cambered plate 30 is surrounded by 60 (not shown in figure 1) of rubber case.That is, when 60 entirety of rubber case is enclosed in the orientation
When regulation displacement isolation pile outside.In this way, this cambered plate 30 and adjacent thereto cambered surface prominent in some cambered plate 30
It will form gap between plate 30, rubber case 60 can avoid soil and enter in gap.
Rolling-ball unit 70 is equipped on the same prefabricated unit 11 between adjacent cambered plate 30.For example, rolling-ball unit 70 is wrapped
2 plastic plates being parallel to each other are included, and are equipped with several balls between plastic plate.In this way, not will receive when cambered plate 30 is mobile
The influence of side cambered plate 30, then movement is more smooth.
The sheet metal that the fixing end for welding jack 20 is embedded on the circumferential surface of prefabricated unit 11 (does not show on figure
Out).In this way, convenient for fixed jack 20.
The middle part of prefabricated unit 11 is equipped in vertical reinforcing bar preformed hole 13.
When specifically used, the method that orientation constantly regulates and controls displacement can constantly regulate and control displacement using orientation above-mentioned
Isolation pile.This method comprises:
A, determine that orientation constantly regulates and controls the burial place of the isolation pile of displacement according to foundation pit external demand environment to be protected.It is embedded
It position can be using single, double or quincuncial Pile arrangement.
B, before foundation pit is not constructed, the isolation pile that orientation constantly regulates and controls displacement is squeezed into the deep soil of selected location.
Pressure when acquiring initial according to the pressure information that earth pressure gauge 40 is transferred to control unit 50 under different depth, different location is big
It is small, and the design of pressure of the measurement before foundation pit is not excavated is controlling value.
C, when excavation of foundation pit, the outer soil body of foundation pit can be caused to generate corresponding stress and displacement, thus earth pressure gauge
There is corresponding variation in the numerical value of the pressure value of 40 soil reflected.The real-time pressure value of measurement is transferred to phase by earth pressure gauge 40
The control unit 50 answered.The controlling value of the pressure value of measurement and setting is compared by control unit 50, then control unit 50
The case where being compared according to pressure, control unit 50 issue telescope signal to corresponding jack 20.That is, the pressure generally reflected
Value is higher than the controlling value of setting, then it represents that the soil layer at this changes, and control unit 50 is the telescopic shaft for controlling jack 20
It stretches out.After jack 20 stretches out, corresponding cambered plate 30 is prominent, until soil pressure is maintained at controlling value.In this way, counteracting pre-
Influence caused by column rigidity processed is insufficient.
D, after excavation of foundation pit, the isolation pile that orientation constantly regulates and controls displacement is fetched, then filling concrete will rapidly
It is closely knit to take out the hole formed when orientation constantly regulates and controls the isolation pile of displacement.
In conclusion the present invention separates soil mass displacement at the deep layer by isolation pile, and it is rigid using jack to make up isolation pile
The part soil mass displacement at the deep layer for generation that degree is insufficient can effectively control the external deep soil position due to caused by excavation of foundation pit
It moves.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (5)
1. orientation constantly regulates and controls the isolation pile of displacement, including prefabricated pile, it is characterised in that:
The prefabricated pile is divided at least two prefabricated unit (11) from top to bottom, in the up-down direction 2 adjacent prefabricated units
(11) dividing layer (12) are equipped between;
It is uniformly fixed with several jack (20) on the circumferential surface of the prefabricated unit (11), the telescopic shaft of jack (20)
It extends outwardly;
It is fixed with cambered plate (30) on the telescopic shaft of the jack (20), the axial line and prefabricated unit (11) of cambered plate (30)
Axial line be overlapped;
The outside of the cambered plate (30) is respectively and fixedly provided with earth pressure gauge (40);
And
Earth pressure gauge (40) signal is connected to a control unit (50);
Jack (20) signal associated control unit (50).
2. according to claim 1 orient the isolation pile for constantly regulating and controlling displacement, it is characterised in that: the cambered plate (30)
Outside is surrounded by rubber case (60).
3. according to claim 1 orient the isolation pile for constantly regulating and controlling displacement, it is characterised in that: the same prefabricated list
Rolling-ball unit (70) are equipped between adjacent cambered plate (30) on first (11).
4. according to claim 1 orient the isolation pile for constantly regulating and controlling displacement, it is characterised in that: the prefabricated unit (11)
Circumferential surface on be embedded with the sheet metal of fixing end for welding jack (20).
5. according to claim 1 orient the isolation pile for constantly regulating and controlling displacement, it is characterised in that: the prefabricated unit (11)
Middle part be equipped in vertical reinforcing bar preformed hole (13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920024561.3U CN209636804U (en) | 2019-01-07 | 2019-01-07 | Orientation constantly regulates and controls the isolation pile of displacement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920024561.3U CN209636804U (en) | 2019-01-07 | 2019-01-07 | Orientation constantly regulates and controls the isolation pile of displacement |
Publications (1)
Publication Number | Publication Date |
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CN209636804U true CN209636804U (en) | 2019-11-15 |
Family
ID=68475839
Family Applications (1)
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CN201920024561.3U Expired - Fee Related CN209636804U (en) | 2019-01-07 | 2019-01-07 | Orientation constantly regulates and controls the isolation pile of displacement |
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CN (1) | CN209636804U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109653208A (en) * | 2019-01-07 | 2019-04-19 | 宁波工程学院 | Orientation constantly regulates and controls the isolation pile and method of displacement |
CN113718788A (en) * | 2021-09-07 | 2021-11-30 | 广东永基建筑基础股份有限公司 | Composite foundation pit supporting pile |
-
2019
- 2019-01-07 CN CN201920024561.3U patent/CN209636804U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109653208A (en) * | 2019-01-07 | 2019-04-19 | 宁波工程学院 | Orientation constantly regulates and controls the isolation pile and method of displacement |
CN113718788A (en) * | 2021-09-07 | 2021-11-30 | 广东永基建筑基础股份有限公司 | Composite foundation pit supporting pile |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191115 |