CN209482314U - A kind of hydraulic or air pressure displacement servo formula combined enclosure structure - Google Patents
A kind of hydraulic or air pressure displacement servo formula combined enclosure structure Download PDFInfo
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- CN209482314U CN209482314U CN201822133634.0U CN201822133634U CN209482314U CN 209482314 U CN209482314 U CN 209482314U CN 201822133634 U CN201822133634 U CN 201822133634U CN 209482314 U CN209482314 U CN 209482314U
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- air pressure
- hydraulic
- displacement
- formula combined
- enclosure structure
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 61
- 239000002689 soil Substances 0.000 claims abstract description 23
- 238000012544 monitoring process Methods 0.000 claims abstract description 21
- 238000009412 basement excavation Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000001802 infusion Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000000746 body region Anatomy 0.000 description 2
- 238000012407 engineering method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241000209202 Bromus secalinus Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model relates to a kind of hydraulic or air pressure displacement servo formula combined enclosure structures, it include: the boxlike rigid box being placed in into slot space, the boxlike rigid box has a pair of of stress side, a pair of of stress lateral inner displacement control system that laterally fixed setting is made of multiple hydraulic or air pressure pillow；System for monitoring displacement, the system for monitoring displacement are connect with displacement control system signal.The utility model realizes in the form of area load and directly controls to land movement behind hole that control effect is more excellent；Boxlike rigid box can be prefabricated, and prefabricated construction improves the efficiency of construction on the outside of foundation pit；The arrangement of hydraulic or air pressure pillow can be more than the depth of foundation pit, can carry out Bit andits control to the lower soil body is cheated, of great advantage to the Deformation control of deep foundation building；Compensate for the deformation-compensated hysteresis quality of existing deformation-controlling measures and the deficiency of Support Position limitation.
Description
Technical field
The utility model relates to a kind of foundation pit enclosure structures, and in particular to the hydraulic or air pressure displacement servo formula group of one kind is surrounded
Protection structure and its construction method.
Background technique
Excavation of foundation pit easily causes building enclosure to be deformed or be displaced, and is influencing close to buildings or rail traffic structure just
It is often used safety.Existing building enclosure Deformation control mainly using vertical building enclosure and cheats interior cross-brace system collective effect
Method, there are following problems: (1) first excavate rear support during, the soil body has occurred to can lead to building compared with large disturbances behind hole
Irreversible plastic deformation occurs for object structure；(2) existing support system only may act on the above structure of excavation face, however cheat bottom with
The deformation of lower building enclosure will have a direct impact on the stress state on close to buildings basis, easily cause building settlement；(3) existing
Supporting way is mostly partial points support, requires height to support erection mode and axle power, support effect is difficult to be effectively ensured.
To sum up, there is certain deformation-compensated hysteresis quality and installation position limitation in existing building enclosure deformation-controlling measures
Property, excavation of foundation pit is increased to the adverse effect of surrounding enviroment.
Utility model content
The utility model is directed to a kind of displacement servo formula building enclosure that reduction excavation of foundation pit influences surrounding enviroment
And its construction method, hydraulic or air pressure pillow formula displacement control system and displacement monitoring system are added in the native side of meeting of common building enclosure
System is realized and is compensated the active real-time displacement of the soil body behind hole using active pressurizing device and displacement monitor.Compared to tradition
Building enclosure has the advantages that active control land movement and realizes that excavation face or less deforms barrier, can reach excavation of foundation pit
To the effect of surrounding enviroment micro-disturbance.In addition, it has the advantages that pressurizing device is laid flexible, is particularly suitable for deformation requirements
High important buildings or structures or rail traffic curved section.
The utility model takes following technical scheme:
A kind of hydraulic or air pressure displacement servo formula combined enclosure structure, comprising: the boxlike rigid box being placed in into slot space
Body 4, the boxlike rigid box 4 have a pair of of stress side, and a pair of of stress lateral inner is laterally fixedly installed by multiple hydraulic
Or the displacement control system that air pressure pillow 5 is constituted；System for monitoring displacement, the system for monitoring displacement and displacement control system signal connect
It connects.
Further, described hydraulic or air pressure pillow 5, which is longitudinally, laterally disposed adjacent, meets native face in building enclosure.
Further, system for monitoring displacement, be laid in soil layer, building or subway tunnel by protection structure；Alternatively,
It is embedded in displacement control system, to monitor the displacement of the soil body and structure in Excavation Process.
Further, the boxlike rigid box 4 and its hydraulic or air pressure pillow 5 of inside are pre-manufactured product.
Further, the depth of the boxlike rigid box 4 is deeper than the depth to excavation pit.
Further, an at least laterally steering structure is additionally provided between longitudinally adjacent hydraulic or air pressure pillow 5.
Further, the laterally steering structure includes the guide groove for being fixed on a stress side inner walls, and is fixed on
The guiding monomer of another stress side inner walls, guiding monomer are inserted into the guide groove.
Further, the space between adjacent guide frame and a pair of of stress side of boxlike rigid box constitutes a lattice
Body, described hydraulic or air pressure are rested the head in 5 settings and the lattice body.
Further, the displacement control system further includes the spool for gas transmission or infusion, described hydraulic or air pressure pillow 5
It is connect each by oil transportation or conveying gas spool with power mechanism.
A kind of construction method of above-mentioned air pressure displacement servo formula combined enclosure structure, comprising the following steps:
S1, positioning displacement control system: preparation grooving region 2, and grooving region 2 is made to become stream modeling shape；
S2, lifting boxlike rigid box 4, and be inserted perpendicularly into grooving region 2；
S3 is positioned and building enclosure 8 of constructing, and installs system for monitoring displacement 7；
S4, cheated after soil stabilization and excavation；In Excavation Process, based on system for monitoring displacement 7
Monitoring data, using displacement control system real-time monitoring is hydraulic or the thrust magnitude of air pressure pillow 5, so that the rigidity of boxlike caused by excavating
The displacement real-time recovery of cabinet 4.
Further, in step S1, the displacement control system is at least positioned at the existing protection structure to excavation pit
Side.
The utility model has the beneficial effects that:
1) it is realized in the form of area load and land movement behind hole is directly controlled, control effect is more excellent；
2) boxlike rigid box can be prefabricated, and prefabricated construction improves the efficiency of construction on the outside of foundation pit；
3) due to the presence of boxlike rigid box, in hydraulic or air pressure pillow arrangement can be more than foundation pit depth,
Bit andits control can be carried out to the lower soil body is cheated, it is of great advantage to the Deformation control of deep foundation building；
4) displacement control system is precast construction, and is constructed before building enclosure and excavation of foundation pit, native land body digging process
In, land movement can be adjusted in time, and the time difference is not present in soil excavation and augmentor clipping room, and Bit andits control is not present
Any lag strengthens the protection to deformation sensitive building；Therefore, the deformation-compensated stagnant of existing deformation-controlling measures is compensated for
The deficiency of property and Support Position limitation afterwards.
Detailed description of the invention
Fig. 1 is the contrast schematic diagram of the utility model and the prior art.
Fig. 2-1 is the schematic diagram of the utility model construction procedure one.
Fig. 2-2 is the schematic diagram of the utility model construction procedure two.
Fig. 2-3 is the schematic diagram of the utility model construction procedure three.
Fig. 2-4 is the schematic diagram of the utility model construction procedure four.
Fig. 3 is hydraulic in embodiment one or Pneumatic servo type combined enclosure cross-sectional view of the structure
Fig. 4 is the hydraulic or Pneumatic servo type combined enclosure cross-sectional view of the structure in embodiment two.
Fig. 5 is the partial enlarged view of Fig. 2-2.
In figure, 1- grooving equipment, 2- grooving region, 3- hanging ring, 4- boxlike rigid box, 5- is hydraulic or air pressure pillow, 6- are controlled
Device processed, 7- system for monitoring displacement, 8- building enclosure, 9- pressure pipeline and circuit system, 10- cross-brace, 11. jack.
Specific embodiment
The present invention will be further described in the following with reference to the drawings and specific embodiments.
Comparative example:
Firstly, referring to Fig. 1, the displacement servo formula building enclosure of existing active reinforcing, as shown in figure 1 shown in right side, displacement
Control system is only several discrete augmentors, and both ends are separately connected building enclosure and support system.It can only pass through
The lateral displacement for adjusting building enclosure indirectly controls land movement behind hole in the form of point loading；
Second, construction location must be positioned in the range of the foundation pit for having excavated completion, therefore by foundation depth
Limitation can not carry out Bit andits control to the lower soil body is cheated.
Third, in construction technology, during soil excavation, it is not possible to adjust the displacement of the soil body in time, augmentor exists
It constructs after building enclosure and excavation of foundation pit, therefore soil excavation and augmentor clipping room result in Bit andits control there are the time difference
With hysteresis quality.
Embodiment one:
As shown in figure 3, to reduce influence of the foundation pit construction to surrounding building, using the hydraulic or air pressure of the utility model
Servo-type combined enclosure structure carries out Deformation control.Wherein, the hydraulic or air pressure pillow 5 in displacement control system is equal along depth bounds
Even arrangement, as shown in Figure 5.
Main construction course is as follows:
1) displacement control system is positioned, soil body pretreatment is carried out using engineering methods such as TRD, CSM, is inserted convenient for subsequent rigid box
Enter, auxiliary referring to fig. 2-1.
2) prefabricated boxlike rigid box is inserted perpendicularly into pretreatment soil body region, and by air pressure or the oil/gas pressure of flat jack
Sensing cable is attached with control system.Auxiliary referring to fig. 2-2.
3) construction diaphram wall.Auxiliary is referring to figure 2-3.
4) system for monitoring displacement is installed in building and soil layer, it is ensured that monitoring data can be to controlling with real-time Transmission
System.Auxiliary referring to fig. 2-4.
5) soil stabilization and excavation after being cheated.In work progress, it is displaced with controlling building as target, base
In displacement monitoring data, the thrust of each air pressure or flat jack is adjusted using control system dynamic.
Embodiment two:
As shown in figure 4, to reduce influence of the foundation pit construction to subway tunnel, using the hydraulic or air pressure position of the utility model
It moves servo-type combined enclosure structure and carries out Deformation control.Wherein, the hydraulic or air pressure pillow in displacement control system is only arranged in tunnel
Road buried depth range.Main construction course is as follows:
1) displacement control system is positioned, soil body pretreatment is carried out using engineering methods such as TRD, CSM, is inserted convenient for subsequent rigid box
Enter.Auxiliary referring to fig. 2-1.
2) prefabricated boxlike rigid box, and the sensing cable that hydraulic or air pressure is rested the head on are inserted perpendicularly into pretreatment soil body region
It is attached with control system.Auxiliary referring to fig. 2-2.
3) construction diaphram wall.Auxiliary is referring to figure 2-3.
4) system for monitoring displacement is installed in tunnel wall and soil layer, it is ensured that monitoring data can be to controlling with real-time Transmission
System.Auxiliary referring to fig. 2-4.
5) soil stabilization and excavation after being cheated.In work progress, it is displaced with controlling tunnel structure as target,
Based on displacement monitoring data, the thrust of each hydraulic or air pressure pillow is adjusted using control system dynamic.
The utility model building enclosure can carry out real-time displacement compensation to the soil body behind hole, be beneficial to reduce excavation of foundation pit to week
The adverse effect of surrounding environment, and have the advantages that augmentor is laid flexible, is particularly suitable for high to deformation requirements important build
(structure) builds object or rail traffic curved section.
Above two embodiments are the preferred embodiments of the utility model, and those of ordinary skill in the art can also be herein
On the basis of carry out various transformation or improvement, under the premise of not departing from the utility model total design, these transformation or improve all
Should belong to the requires of the utility model protection within the scope of.
Claims (9)
1. a kind of hydraulic or air pressure displacement servo formula combined enclosure structure characterized by comprising
The boxlike rigid box (4) being placed in into slot space, the boxlike rigid box (4) has a pair of of stress side, a pair of
The stress lateral inner displacement control system that laterally fixed setting is made of multiple hydraulic or air pressure pillow (5)；
System for monitoring displacement, the system for monitoring displacement are connect with displacement control system signal.
2. hydraulic or air pressure displacement servo formula combined enclosure structure as described in claim 1, it is characterised in that: it is described hydraulic or
Air pressure pillow (5), which is longitudinally, laterally disposed adjacent, meets native face in building enclosure.
3. hydraulic or air pressure displacement servo formula combined enclosure structure as described in claim 1, it is characterised in that: displacement monitoring system
System, be laid in soil layer, building or subway tunnel by protection structure；Alternatively, being embedded in displacement control system, with monitoring
The displacement of the soil body and structure in Excavation Process.
4. hydraulic or air pressure displacement servo formula combined enclosure structure as described in claim 1, it is characterised in that: the boxlike is rigid
Property cabinet (4) and its hydraulic or air pressure pillow (5) of inside be pre-manufactured product.
5. hydraulic or air pressure displacement servo formula combined enclosure structure as described in claim 1, it is characterised in that: the boxlike is rigid
The depth of property cabinet (4) is deeper than the depth to excavation pit.
6. hydraulic or air pressure displacement servo formula combined enclosure structure as described in claim 1, it is characterised in that: longitudinally adjacent liquid
An at least laterally steering structure is additionally provided between pressure or air pressure pillow (5).
7. hydraulic or air pressure displacement servo formula combined enclosure structure as claimed in claim 6, it is characterised in that: the transverse direction is led
Include the guide groove for being fixed on a stress side inner walls to structure, and be fixed on the guiding monomer of another stress side inner walls, leads
It is inserted into the guide groove to monomer.
8. hydraulic or air pressure displacement servo formula combined enclosure structure as claimed in claims 6 or 7, it is characterised in that: adjacent to lead
A lattice body is constituted to the space between structure and a pair of of stress side of boxlike rigid box, described hydraulic or air pressure pillow (5) is set
It is placed in the lattice body.
9. hydraulic or air pressure displacement servo formula combined enclosure structure as described in claim 1, it is characterised in that: the displacement control
System processed further includes the spool for gas transmission or infusion, and described hydraulic or air pressure pillow (5) is each by oil transportation or conveying gas spool
It is connect with power mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822133634.0U CN209482314U (en) | 2018-12-19 | 2018-12-19 | A kind of hydraulic or air pressure displacement servo formula combined enclosure structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822133634.0U CN209482314U (en) | 2018-12-19 | 2018-12-19 | A kind of hydraulic or air pressure displacement servo formula combined enclosure structure |
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| Publication Number | Publication Date |
|---|---|
| CN209482314U true CN209482314U (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822133634.0U Active CN209482314U (en) | 2018-12-19 | 2018-12-19 | A kind of hydraulic or air pressure displacement servo formula combined enclosure structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335323A (en) * | 2018-12-19 | 2020-06-26 | 上海勘察设计研究院(集团)有限公司 | Hydraulic or pneumatic displacement servo type combined enclosure structure and construction method thereof |
-
2018
- 2018-12-19 CN CN201822133634.0U patent/CN209482314U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335323A (en) * | 2018-12-19 | 2020-06-26 | 上海勘察设计研究院(集团)有限公司 | Hydraulic or pneumatic displacement servo type combined enclosure structure and construction method thereof |
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Address after: 200093 No. 38 Shui Feng Road, Yangpu District, Shanghai. Patentee after: Shanghai Survey, Design and Research Institute (Group) Co.,Ltd. Address before: 200093 No. 38 Shui Feng Road, Yangpu District, Shanghai. Patentee before: SGIDI ENGINEERING CONSULTING (Group) Co.,Ltd. |