CN108375504A - A kind of anchorage formula reaction frame experimental rig suitable for underground space structure - Google Patents
A kind of anchorage formula reaction frame experimental rig suitable for underground space structure Download PDFInfo
- Publication number
- CN108375504A CN108375504A CN201810072412.4A CN201810072412A CN108375504A CN 108375504 A CN108375504 A CN 108375504A CN 201810072412 A CN201810072412 A CN 201810072412A CN 108375504 A CN108375504 A CN 108375504A
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- reaction frame
- anchorage
- wall
- experimental rig
- underground space
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of anchorage formula reaction frame experimental rigs suitable for underground space structure, it is related to structural test technical field, the reaction rack equipment includes build-in in the casting concrete steel square tube column of ground, reaction frame anchorage system, the tension device for adjusting anchorage system pull rod tensity and the stress meter for monitoring bar stress.The significant increase of the present invention rigidity level of reaction frame, reinforces the security assurance level being further applied load, and effectively save lab space, for realizing that carrying out structural experiment in the limited lab space of negative one layer has a good application prospect.
Description
Technical field
The present invention relates to a kind of anchorage formula reaction frame experimental rigs suitable for underground space structure, belong to structural test skill
Art field.
Background technology
Structural experiment and structural analysis are to ensure works verification means safe and reliable to operation, can be with by structural experiment
Verify structure type reasonability and structural analysis correctness, architectural characteristic data are provided, with establish new analysis model and
Engineering theory.Structural experiment becomes a kind of necessary mode that researcher verifies structural theory, wherein reaction frame with its superiority
It is structural experiment necessary devices.
For reasonable arrangement experimental site, many workshops and school duty room are built upon the negative one layer of building, to reduce it
Influence to office and experimental activity.Under this condition, lab space is relatively narrow, the effective lab space provided is limited, mesh
Preceding well known reaction frame is beam column construction mostly, and the reaction frame space of the structure type is big, and rigidity is limited, it is difficult to adapt to
The structural experiment condition of the limited underground space, it is inconvenient to use.
Invention content
It is an object of the invention to reduce reaction frame space, the rigidity level of reaction frame is improved, underground is made full use of
The outer ground foundation of room wall, reinforces the security assurance level of its quiet dynamic load.
To achieve the above object, it is as follows to provide technical solution by the present invention:
Anchorage formula reaction frame experimental rig of the present invention suitable for underground space structure, on the ground of underground space structure
Upper erection reaction frame experimental rig, reaction frame experimental rig and the wall of underground space structure are mutually fixed;The reaction frame examination
Experiment device includes power transmission pull rod, stress meter, structural model, actuator;The ground sets up column;Structure model and actuator phase
Even, actuator is arranged on column;The wall outer side is equipped with anchor structure, and anchor structure is solid with reaction frame experimental rig
It is fixed.
Anchorage formula reaction frame experimental rig of the present invention suitable for underground space structure;The anchor structure packet
Include anchorage wall;The wall outer side is equipped with anchorage wall;Anchorage wall passes through backfill gap of banketing with wall;The power transmission pull rod
One end other end that is connected with column is extended into wall and is fixed with anchorage wall, and power transmission pull rod is equipped with stress meter.
Anchorage formula reaction frame experimental rig of the present invention suitable for underground space structure;The anchorage wall and wall
Between gap backfilled using concrete;Power transmission pull rod runs through anchorage wall.
Anchorage formula reaction frame experimental rig of the present invention suitable for underground space structure, the column are coagulation
Native steel square tube column;The concrete steel square tube column is used and is made of pouring air-free concrete inside steel square tube.
Anchorage formula reaction frame experimental rig of the present invention suitable for underground space structure further includes tension device;Institute
The tension device stated is arranged on power transmission pull rod, and tension device is at column.
Anchorage formula reaction frame experimental rig of the present invention suitable for underground space structure, the structural model are solid
Due on testing stand.
Advantageous effect
Anchorage formula reaction frame experimental rig provided by the invention suitable for underground space structure, the more traditional reaction frame of the structure are rigid
Degree greatly improves, anchorage structures with the security reliability for improving reaction frame, minimum occupancy lab space makes reaction frame
Arrangement of the structure in limited experimentation space becomes convenient.
Anchorage formula reaction frame experimental rig build-in provided by the invention suitable for underground space structure is in laboratory ground
Following certain depth uses rigidity requirement as reaction frame column, to meet column.
Tension device is arranged in anchorage formula reaction frame experimental rig provided by the invention suitable for underground space structure, to adapt to
Different experiments require adjusting yoke tensity, control the security assurance level that is further applied load.
The stress meter of anchorage formula reaction frame experimental rig provided by the invention suitable for underground space structure is realized to drawing
Bar stress monitors in real time.After the completion of reaction frame structure setting, experiment actuator and type vibration wire counter-force meter are mounted on column,
It can be tested after connection signal data transmission device.
Description of the drawings
Fig. 1 is the anchorage formula reaction frame experimental rig schematic diagram suitable for underground space structure;
Fig. 2 is the anchorage formula reaction frame experimental rig diagrammatic cross-section suitable for underground space structure;
Fig. 3 is the anchorage formula reaction frame experimental rig suitable for underground space structure applied to structural model test schematic diagram.
Specific implementation mode
It is clearer for the purpose and technical solution that make the embodiment of the present invention, below in conjunction with the attached of the embodiment of the present invention
Figure, is clearly and completely described the technical solution of the embodiment of the present invention.Obviously, described embodiment is of the invention
A part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of without creative work, shall fall within the protection scope of the present invention:
It is suitable for the anchorage formula reaction frame experimental rig schematic diagram of underground space structure shown in Fig. 1, underground space knot should be suitable for
The anchorage formula reaction frame experimental rig of structure mainly has 5 component parts, the column 1 made of casting concrete steel square tube, embedding
The anchorage wall 3 that is fixed in laboratory wall 9, connection column 1 with the power transmission pull rod 2 of anchorage wall 3, for adjusting power transmission pull rod 2
The tension device 4 of tensity and stress meter 5 for monitoring 2 stress of power transmission pull rod.
It is suitable for the anchorage formula reaction frame experimental rig diagrammatic cross-section of underground space structure shown in Fig. 2, in structural model 6
Before, by 1 build-in of column in 10 following certain depth of ground, power transmission pull rod 2 is made, and tension device 4 and stress meter 5 are mounted on and passed
On power pull rod 2,6 subsequent wall 9 of structural model is excavated into certain depth, makes anchorage wall 3 inside the wall 9 after excavation,
Connection installs the power transmission pull rod 2 of tension device 4 and stress meter 5 and backfills on anchorage wall 3, doing concrete 11 before anchorage wall 3, and will
The other end of power transmission pull rod 2 is connected on column 1, so far entirely suitable for the anchorage formula reaction frame of underground space structure experiment dress
Set that installation is complete.
Illustrate applied to structural model test suitable for the anchorage formula reaction frame experimental rig of underground space structure shown in Fig. 3
Figure, before carrying out structural model test, structural model 6 is fixed on experimental bench 8, actuator 7 is fixed on mounted
Suitable for 1 top of anchorage formula reaction frame experimental rig column of underground space structure, 7 point of application direction structure model 6 of actuator
Top, connection correlation signal transmission device can be tested.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
Subject to.
Claims (6)
1. a kind of anchorage formula reaction frame experimental rig suitable for underground space structure, on the ground of underground space structure(10)On
Set up reaction frame experimental rig, the wall of reaction frame experimental rig and underground space structure(9)It is mutually fixed;The reaction frame examination
Experiment device includes power transmission pull rod(2), stress meter(5), structural model(6), actuator(7);The ground(10)Set up column
(1);Structural model(6)With actuator(7)It is connected, actuator(7)It is arranged in column(1)On;It is characterized in that:The wall
(9)Outside is equipped with anchor structure, and anchor structure is fixed with reaction frame experimental rig.
2. the anchorage formula reaction frame experimental rig according to claim 1 suitable for underground space structure;It is characterized in that:
The anchor structure includes anchorage wall(3);The wall(9)Outside is equipped with anchorage wall(3);Anchorage wall(3)With wall(9)
Pass through backfill gap of banketing;The power transmission pull rod(2)One end and column(1)The connected other end extends into wall(9)Interior and anchor
Heavy stone used as an anchor wall(3)It is fixed, power transmission pull rod(2)It is equipped with stress meter(5).
3. the anchorage formula reaction frame experimental rig according to claim 2 suitable for underground space structure;It is characterized in that:
The anchorage wall(3)With wall(9)Between gap use concrete(11)It is backfilled;Power transmission pull rod(2)Through anchorage wall
(3).
4. the anchorage formula reaction frame experimental rig according to claim 1 suitable for underground space structure, it is characterised in that:
The column(1)For concrete steel square tube column;The concrete steel square tube column uses closely knit using being poured inside steel square tube
Concrete is made.
5. the anchorage formula reaction frame experimental rig according to claim 1 suitable for underground space structure, it is characterised in that:
It further include tension device(4);The tension device(4)It is arranged in power transmission pull rod(2)On, tension device(4)Close to column(1)Place.
6. the anchorage formula reaction frame experimental rig according to claim 1 suitable for underground space structure, it is characterised in that:
The structural model(6)It is fixed on testing stand(8)On.
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CN201810072412.4A CN108375504B (en) | 2018-01-25 | 2018-01-25 | Anchorage type reaction frame test device suitable for underground space structure |
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CN201810072412.4A CN108375504B (en) | 2018-01-25 | 2018-01-25 | Anchorage type reaction frame test device suitable for underground space structure |
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CN108375504B CN108375504B (en) | 2020-12-15 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109883675A (en) * | 2019-03-20 | 2019-06-14 | 四川公路桥梁建设集团有限公司 | The model assay systems and method of gravity anchor stability study under a kind of earthquake load |
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CN109883675A (en) * | 2019-03-20 | 2019-06-14 | 四川公路桥梁建设集团有限公司 | The model assay systems and method of gravity anchor stability study under a kind of earthquake load |
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