CN205776418U - Existing basement increases excavation construction model under layer - Google Patents
Existing basement increases excavation construction model under layer Download PDFInfo
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- CN205776418U CN205776418U CN201620516219.1U CN201620516219U CN205776418U CN 205776418 U CN205776418 U CN 205776418U CN 201620516219 U CN201620516219 U CN 201620516219U CN 205776418 U CN205776418 U CN 205776418U
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- steel pipe
- cushion cap
- under layer
- excavation construction
- model
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 26
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 239000002689 soil Substances 0.000 claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 238000004088 simulation Methods 0.000 claims abstract description 12
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000000930 thermomechanical effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
This utility model relates to a kind of existing basement and increases excavation construction model under layer, solve in prior art the defect whether lower support stiffness increasing layer existing building base plate indefinitely can control the deformation of building enclosure, including a model groove and data collecting system, enough soil bodys it are filled with in model groove, the engineering pile of simulation is set in the soil body, engineering pile upper end is cushion cap, lateral connection adjustable steel pipe between cushion cap and model groove side.Space, existing building place intended by model channel mould, the soil body is equivalent to existing building underground soil structures, adjustable steel pipe simulation existing building backplanes support, and by the stress of adjustable steel pipe is analyzed, it is thus achieved that the control parameter that building enclosure is deformed in engineering practice of construction by base plate.
Description
Technical field
This utility model relates to BUILDINGS MODELS, and a kind of existing basement increases excavation construction model under layer.
Background technology
Along with the continuous acceleration of urbanization process, population is more and more to urban agglomerations, and especially middle big city, the increase tendency of city size and population becomes apparent from.The planarization scale development in city has derived many "urban disease"s, wants space day by day to become the preference of Urban Reasonableization development to underground.
In recent years, engineering circles begin attempt under existing buildings or structures increase build the underground space, obtain the more underground space on the premise of superstructure normally uses not affecting, Fig. 1 be this technology one of which engineer applied signal: under dig enlarging underground garage.The secondary development of this underground space is underestimated revising original planning, is continued existing buildings or structures and use function to have important value, is expected to set up the more underground space for urban compact built-up areas, and the association increasing the existing underground space is linked up.In China strand and (lake) area along the river, being distributed deep weak soil, existing building often uses pile foundation, and uncertainty and the foundation catastrophe probability of similar engineering enforcement are greatly increased.
But current enforcement there is also a numerous difficult problem, 1, basement needs to carry out filling into new stake before increasing layer excavation, increasing the synergism problem relating to new piling-old stake-superstructure in layer digging process, the change of engineering pile load-carrying properties is the most indefinite with the relation increasing layer soil body excavation；2, the stake of building enclosure internal engineering has reinforcement effect to the passive area soil body, increases layer digging process and relates to the INTERACTION PROBLEMS of fender post-soil body-in-service engineering pile；3, basement increasing layer excavation excavates the soil body on former basement excavation foundation further, relates to complex soil body loading/unloading process, and resistance to shear of soil path change is complex；4, building enclosure and the connection problem of internal existing building, the big stiffness characteristics of existing building base plate can be utilized, existing basement bottom board is utilized to combine the newly-increased control supporting and carrying out building enclosure deformation, the determination of inner support rigidity needs clearly, and under special operation condition, support stiffness is the most uncertain to the control problem of deformation.
Summary of the invention
This utility model solves in prior art the defect whether lower support stiffness increasing layer existing building base plate indefinitely can control the deformation of building enclosure, a kind of existing basement is provided to increase excavation construction model under layer, by arranging horizontal steel pipe simulation existing building base plate, load through steel penstock stress, the controlling extent that building enclosure is deformed under engineering practice by simulation base plate.
This utility model also solves the change of engineering pile load-carrying properties and the indefinite defect of relation increasing layer soil body excavation in prior art, a kind of existing basement is provided to increase excavation construction model under layer, old pile framing arranges vertical loading device, thus simulate the synergism of new piling-old stake-superstructure, specify the change of engineering pile load-carrying properties and the relation increasing layer soil body excavation.
This utility model also solves soil excavation in prior art cannot obtain the change of soil body loading/unloading process and the defect of resistance to shear of soil path change, a kind of existing basement is provided to increase excavation construction model under layer, carry out soil excavation under loaded conditions, soil body loading/unloading process change in reaction Practical Project and resistance to shear of soil path change, instruct Practical Project to construct.
This utility model solves its technical problem and be the technical scheme is that a kind of existing basement increases excavation construction model under layer, including a model groove and data collecting system, enough soil bodys it are filled with in model groove, the engineering pile of simulation is set in the soil body, engineering pile upper end is cushion cap, lateral connection adjustable steel pipe between cushion cap and model groove side.Space, existing building place intended by model channel mould, the soil body is equivalent to existing building underground soil structures, adjustable steel pipe simulation existing building backplanes support, and by the stress of adjustable steel pipe is analyzed, it is thus achieved that the control parameter that building enclosure is deformed in engineering practice of construction by base plate；Data collecting system increases the various data in layer excavation desired parameters collection model groove according to basement, thus increases layer construction to basement and provide real data to instruct and arrangement and method for construction correction.
As preferably, adjustable steel pipe includes the first supporting steel pipe being connected with model groove sidewall and the second supporting steel pipe being connected with the first supporting steel pipe, second supporting steel pipe is connected with cushion cap side, the first supporting steel pipe and the second supporting steel pipe at least one be telescopically adjustable structure.
As preferably, being connected and have vertical automatic loading device between cushion cap with model groove top, vertical automatic loading device uses telescoping cylinder structure.
As preferably, cushion cap is connected with data collecting system, and data collecting system includes vertical load data acquisition module and transverse load data acquisition module.
As preferably, data collecting system also includes cushion cap additional channel carrying shape parameter collection module and cushion cap displacement parameter acquisition module.
As preferably, the peripheral disposition of engineering pile has the fender post of simulation, fender post to be deep in the soil body, and the top of fender post has peripheral cushion cap, and peripheral cushion cap is in soil body surface.
As preferably, peripheral cushion cap connects vertical stress data acquisition module and lateral stress data acquisition module.
The beneficial effects of the utility model are: space, existing building place intended by model channel mould, the soil body is equivalent to existing building underground soil structures, adjustable steel pipe simulation existing building backplanes support, and by the stress of adjustable steel pipe is analyzed, it is thus achieved that the control parameter that building enclosure is deformed in engineering practice of construction by base plate.
Accompanying drawing explanation
Fig. 1 is this utility model one structural representation；
In figure: 1, model groove, 2, engineering pile, 3, fender post, 4, the soil body, 5, earth excavation, 6, existing basement, 7, attachment means, the 8, first supporting steel pipe, the 9, second supporting steel pipe, 10, vertical automatic loading device, 11, cushion cap, 12, peripheral cushion cap, 13, data collecting system.
Detailed description of the invention
Below by specific embodiment, and combine accompanying drawing, the technical solution of the utility model is described in further detail.
Embodiment: a kind of existing basement increases excavation construction model (seeing Fig. 1) under layer, including a model groove 1 and the data collecting system 13 of collection construction model data, enough soil bodys 4 it are filled with inside model groove, soil body surface is existing building ground, and has a recessed cavity formation machine oil basement 6.The position of the side correspondence soil body of model groove connects resistance to shear of soil parameter acquisition unit, and resistance to shear of soil parameter acquisition unit is arranged along soil body depth direction, and resistance to shear of soil parameter acquisition unit is connected with data collecting system.Arranging the engineering pile 2 of simulation in the soil body, engineering pile upper end is cushion cap 11, lateral connection adjustable steel pipe between cushion cap and model groove side.The position of model groove correspondence adjustable steel pipe is provided with attachment means 7, and attachment means is provided with adjustable steel pipe transverse load data acquisition unit, and transverse load data acquisition unit is connected by data wire with data collecting system.Adjustable steel pipe includes the first supporting steel pipe 8 being connected with model groove sidewall and the second supporting steel pipe 9 being connected with the first supporting steel pipe, second supporting steel pipe is connected with cushion cap side, the first supporting steel pipe and the second supporting steel pipe at least one be telescopically adjustable structure.It is connected between cushion cap with model groove top and has vertical automatic loading device 10, vertical automatic loading device uses telescoping cylinder structure, vertical automatic loading device has self-balancing mechanism, self-balancing mechanism uses level indicator, level indicator mainly monitors the change in location at vertical automatic loading device top, and telescoping cylinder is controlled export support force and keep vertical automatic loading device tip position constant by self-balancing mechanism.Cushion cap connects vertical load data acquisition unit and transverse load data acquisition unit, vertical load data acquisition unit is connected with the vertical load data acquisition module of data collecting system by data wire, and transverse load data acquisition unit is connected with the transverse load data acquisition module of data collecting system.Data collecting system also includes cushion cap additional channel carrying shape parameter collection module and cushion cap displacement parameter acquisition module.Engineering pile extend into the part connection of the soil body engineering pile thermomechanical processing harvester, and thermomechanical processing harvester is connected with the thermomechanical processing acquisition module of data collecting system by data wire.
Engineering pile is in the space of existing basement, and the peripheral disposition of engineering pile has the fender post 3 of simulation, and fender post is deep in the soil body, and the top of fender post has peripheral cushion cap 12, and peripheral cushion cap is in soil body surface.Peripheral cushion cap connects vertical stress data acquisition unit and lateral stress data acquisition unit, vertical stress data acquisition unit is connected by data wire with the vertical stress data acquisition module of data collecting system, and lateral stress data acquisition unit is connected with the lateral stress data acquisition module of data collecting system by data wire.Fender post position in the soil body connects fender post deformation and stress data harvester, and fender post deformation is connected with data collecting system with stress data harvester.
Embodiment described above is a kind of preferred version of the present utility model, and this utility model is not made any pro forma restriction, also has other variant and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (7)
1. an existing basement increases excavation construction model under layer, it is characterized in that including a model groove and data collecting system, be filled with enough soil bodys in model groove, the engineering pile of simulation is set in the soil body, engineering pile upper end is cushion cap, lateral connection adjustable steel pipe between cushion cap and model groove side.
Existing basement the most according to claim 1 increases excavation construction model under layer, it is characterized in that adjustable steel pipe includes the first supporting steel pipe being connected with model groove sidewall and the second supporting steel pipe being connected with the first supporting steel pipe, second supporting steel pipe is connected with cushion cap side, the first supporting steel pipe and the second supporting steel pipe at least one be telescopically adjustable structure.
Existing basement the most according to claim 1 and 2 increases excavation construction model under layer, it is characterised in that is connected between cushion cap with model groove top and has vertical automatic loading device, and vertical automatic loading device uses telescoping cylinder structure.
Existing basement the most according to claim 1 increases excavation construction model under layer, it is characterised in that cushion cap is connected with data collecting system, and data collecting system includes vertical load data acquisition module and transverse load data acquisition module.
Existing basement the most according to claim 4 increases excavation construction model under layer, it is characterised in that data collecting system also includes cushion cap additional channel carrying shape parameter collection module and cushion cap displacement parameter acquisition module.
6. increasing excavation construction model under layer according to the existing basement described in claim 1 or 2 or 4, it is characterised in that the peripheral disposition of engineering pile has the fender post of simulation, fender post to be deep in the soil body, the top of fender post has peripheral cushion cap, and peripheral cushion cap is in soil body surface.
Existing basement the most according to claim 6 increases excavation construction model under layer, it is characterised in that peripheral cushion cap connects vertical stress data acquisition module and lateral stress data acquisition module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620516219.1U CN205776418U (en) | 2016-05-31 | 2016-05-31 | Existing basement increases excavation construction model under layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620516219.1U CN205776418U (en) | 2016-05-31 | 2016-05-31 | Existing basement increases excavation construction model under layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205776418U true CN205776418U (en) | 2016-12-07 |
Family
ID=58138649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620516219.1U Expired - Fee Related CN205776418U (en) | 2016-05-31 | 2016-05-31 | Existing basement increases excavation construction model under layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205776418U (en) |
-
2016
- 2016-05-31 CN CN201620516219.1U patent/CN205776418U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20200531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |