CN208633166U - Rock Foundation Test Under Static Pressure pressure bearing device and load test device - Google Patents
Rock Foundation Test Under Static Pressure pressure bearing device and load test device Download PDFInfo
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- CN208633166U CN208633166U CN201820966555.5U CN201820966555U CN208633166U CN 208633166 U CN208633166 U CN 208633166U CN 201820966555 U CN201820966555 U CN 201820966555U CN 208633166 U CN208633166 U CN 208633166U
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Abstract
The utility model relates to building fields, aim to solve the problem that load test pressure bearing device in the prior art cannot be well adapted for big finder charge test, finder charge significantly test under low measurement accuracy the problem of, Rock Foundation Test Under Static Pressure pressure bearing device and load test device are provided.Rock Foundation Test Under Static Pressure pressure bearing device includes lower bearing plate, upper bearing plate, displacement sensor.Upper bearing plate and lower bearing plate interval are opposite, and pass through the support connection of multiple deep floors between the two.Displacement sensor is set to the surface close to upper bearing plate of lower bearing plate, and is configured for incuding the vertical displacement of the lower bearing plate under test load.The utility model has the beneficial effects that can be realized compared with the Rock Foundation Test Under Static Pressure under big load, and test accuracy is high.
Description
Technical field
The utility model relates to building fields, in particular to Rock Foundation Test Under Static Pressure pressure bearing device and load test device.
Background technique
Modern architecture the more is built the more high, and the requirement to bearing capacity is higher and higher, and pile foundation form is the first choice of designing unit.But
Part place by geological conditions due to being limited, while the design number of plies of basement is more and more and lead to the cutting depth of foundation pit
It is deeper and deeper, and the supporting course in part place is shallower, sometimes excavate bottom of foundation ditch be middle weathering supporting course even
Gentle breeze supporting course is at this time designed based on often considering to be added using natural preservative the combining form of foundation anchor
Form.At this moment weathering even the bearing capacity situation of the subsoil of gentle breeze in just needing to measure, provide enough knots for design
Structure calculates reference frame.
In the method for measuring natural foundation bearing capacity, preferred in-situ test.And in the method for various in-situ tests, relatively
It is tested in using the batholith core pulling for sampling processing conversion, can more obtain more accurate reference number using soil (rock) foundation loading test
According to.For middle weathering even slightly weathered rock supporting course, need to carry out batholith site static loading test.When supporting course requirement for bearing capacity
Higher and higher, the preloading tonnage of batholith site static loading test is also higher and higher to the requirement of testing equipment with regard to increasing.
However, load test pressure bearing device in the prior art cannot be well adapted for big finder charge test, trying significantly
Test the low measurement accuracy under loading test.
Utility model content
The utility model is intended to provide a kind of Rock Foundation Test Under Static Pressure pressure bearing device, is held with solving load test in the prior art
The problem of depressor cannot be well adapted for the test of big finder charge, low measurement accuracy under the test of finder charge significantly.
The another object of the utility model is to provide a kind of load test for having above-mentioned Rock Foundation Test Under Static Pressure pressure bearing device
Device.
The embodiments of the present invention are achieved in that
The utility model embodiment provides a kind of Rock Foundation Test Under Static Pressure pressure bearing device comprising lower bearing plate, upper bearing plate, position
Displacement sensor.Upper bearing plate and lower bearing plate interval are opposite, and pass through the support connection of multiple deep floors between the two.Displacement passes
Sensor is set to the surface close to upper bearing plate of lower bearing plate, and is configured for induction lower bearing plate under test load
Vertical displacement.
Rock Foundation Test Under Static Pressure pressure bearing device in the utility model embodiment is arranged to include that the upper bearing plate being spaced is held under
The double-layer structure of pressing plate, displacement sensor are configured for incuding the vertical displacement of the lower bearing plate under test load, can
Destruction of the larger test load to Rock Foundation Test Under Static Pressure pressure bearing device is avoided, and reduces lower bearing plate force deformation, is reduced because becoming
Influence of the shape to load test precision, having can be realized compared with the Rock Foundation Test Under Static Pressure under big load, and test accuracy is high
Beneficial effect.
In an embodiment of the present embodiment:
Lower bearing plate and upper bearing plate are circular plate structure, and the diameter of lower bearing plate is less than the straight of upper bearing plate
Diameter.
In an embodiment of the present embodiment:
Multiple deep floors are respectively vertically with upper bearing plate and lower bearing plate, and multiple deep floors are circumferentially uniform
Distribution.
In an embodiment of the present embodiment:
The circumferential inner edge of multiple deep floors is fixed with each other.
In an embodiment of the present embodiment:
Deep floor is the plate structure of right-angled trapezium, and its longer bottom edge is fixedly connected on the lower surface of bearing plate
Radius at, at the Radius of its shorter bottom edge lower surface for being fixedly connected on lower bearing plate.
In an embodiment of the present embodiment:
Displacement sensor is set in the sector space of the two neighboring restriction in multiple deep floors.
In an embodiment of the present embodiment:
Lower pressure-bearing board diameter is greater than 0.3m, and upper pressure-bearing board diameter is greater than 0.5m.Between between lower bearing plate and upper bearing plate
Away from for 0.3-0.5m.
In an embodiment of the present embodiment:
It further include transmission rod.
Transmission rod is vertically connected at upper bearing plate, to be suitable for deep layer Rock Foundation Test Under Static Pressure.
The utility model embodiment provides a kind of load test device comprising jack, counter-force load and above-mentioned
Rock Foundation Test Under Static Pressure pressure bearing device.Jack is configured to that an end position is fixed, the other end is pressed on bearing plate, to carry to batholith
Lotus test pressure bearing device applies downward test load.Displacement sensor is configured for induction lower pressure-bearing under the test load
Vertical displacement at plate.
In an embodiment of the present embodiment:
Load test device includes for providing the counterforce structure of counter-force.
In summary it describes, the Rock Foundation Test Under Static Pressure pressure bearing device and load test device in the utility model embodiment have
It can be realized compared with the Rock Foundation Test Under Static Pressure under big load, and the beneficial effect that test accuracy is high.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the Rock Foundation Test Under Static Pressure pressure bearing device in the utility model embodiment；
Fig. 2 is the bottom view of Fig. 1；
Fig. 3 is the structural representation of the another embodiment of the Rock Foundation Test Under Static Pressure pressure bearing device in the utility model embodiment
Figure；
Fig. 4 is the structural schematic diagram of the load test device in the utility model embodiment.
Icon: 10- Rock Foundation Test Under Static Pressure pressure bearing device；The upper bearing plate of 1-；2- deep floor；Bearing plate under 3-；4- displacement passes
Sensor；5- transmission rod；6- jack；7- counterforce structure；100- load test device.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that if occur term " center ", "upper", "lower", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on the figure or position
Relationship or the utility model product using when the orientation or positional relationship usually put, be merely for convenience of describing this reality
It is described with novel with simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.If in addition, occurring in the description of the utility model
Term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
If being not offered as requiring component in addition, occurring the terms such as term "horizontal", "vertical" in the description of the utility model
Abswolute level or pendency, but can be slightly tilted.If "horizontal" only refers to that its direction is more horizontal with respect to for "vertical",
It is not to indicate that the structure is had to fully horizontally, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, if there is art
Language " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachable
Connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, centre can also be passed through
Medium is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment
Inventor the study found that Practical Project practice in, for finder charge require reach 5.0MPa even more than
The bottom surface of situation, the jack that Rock Foundation Test Under Static Pressure detection uses is about the circle of 0.1-0.4m diameter.When bearingtest requirement
Increasing, the tonnage of preloading is increasing, if using existing independent bearing plate structure, the process for testing pressurization goes out sometimes
Existing pressure-bearing steel plate edge upwarps phenomenon, and then makes the displacement sensor for being mounted on pressure-bearing steel plate that can not accurately measure the deformation of batholith
Amount, is unable to get accurate detection data.In addition, when test reactor carrying capacity is big, it is desirable that the jack overall diameter of selection is greater than 0.3m,
It is placed on existing independent pressure-bearing steel plate and carries out test, since the outer diameter of jack is bigger than the area of pressure-bearing steel plate, place thousand
Jin top carries out the measurement of data with regard to the position installation sensor that do not reserve later.
Rock Foundation Test Under Static Pressure pressure bearing device 10 in the present embodiment can be good at solving the above problems.
Fig. 1, Fig. 2 are please referred to, the Rock Foundation Test Under Static Pressure pressure bearing device 10 in the present embodiment includes lower bearing plate 3, upper bearing plate
1, displacement sensor 4.Upper bearing plate 1 and lower bearing plate 3 are spaced relatively, and are connected between the two by the support of multiple deep floors 2
It connects.Displacement sensor 4 is set to the surface close to upper bearing plate 1 of lower bearing plate 3, and is configured for induction and carries in test
The vertical displacement of the lower bearing plate 3 of lotus.Optionally, lower bearing plate 3 and upper bearing plate 1 are circular plate structure, and lower pressure-bearing
The diameter of plate 3 is less than the diameter of upper bearing plate 1.
Such as finder charge require to reach 5.0MPa even more than in the case of, the lower bearing plate 3 in the present embodiment is straight
Diameter is greater than 0.3m, and upper 1 diameter of bearing plate is greater than 0.5m, and the spacing between lower bearing plate 3 and upper bearing plate 1 is 0.3-0.5m.
Optionally, multiple deep floors 2 respectively vertically with upper bearing plate 1 and lower bearing plate 3, and multiple deep floors
2 are uniformly distributed circumferentially.The circumferential inner edge of multiple deep floors 2 is fixed with each other.Deep floor 2 is the plate of right-angled trapezium
Shape structure, and at the Radius of its longer bottom edge lower surface for being fixedly connected on bearing plate 1, its shorter bottom edge is fixed connects
It is connected at the Radius of the lower surface of lower bearing plate 3.The quantity and arrangement of deep floor 2 can be selected according to the actual situation
It selects.For example, optionally, deep floor 2 totally six, and the vertical right-angled trapezium steel plate of respectively high 0.5m.Optionally, ribs
It is welded to connect between plate 2 and upper bearing plate 1, lower bearing plate 3 into an entirety.
In an embodiment of the present embodiment, displacement sensor 4 is set to two neighboring in multiple deep floors 2
In the sector space of restriction, can displacement sensor 4 preferably be protected and be avoided to reinforce with straightway testing load applicator
Upper bearing plate 1 contact, it is ensured that displacement sensor 4 incude displacement truely and accurately reflection be pressurized after batholith sedimentation value, really
It is accurate to protect measurement result.
Rock Foundation Test Under Static Pressure pressure bearing device 10 in the utility model embodiment be arranged to include interval upper bearing plate 1 and under
The double-layer structure of bearing plate 3, displacement sensor 4 are configured for incuding the vertical displacement of the lower bearing plate 3 under test load,
It can be avoided destruction of the larger test load to Rock Foundation Test Under Static Pressure pressure bearing device 10, and reduce lower 3 force deformation of bearing plate, subtract
It is small because deforming influence to load test precision, having can be realized compared with the Rock Foundation Test Under Static Pressure under big load, and test essence
Spend high beneficial effect.
(it can cooperate referring to following attached drawing 4) when use, at Rock Foundation Test Under Static Pressure scene, the Rock Foundation Test Under Static Pressure pressure bearing device
10 are steadily placed on the testing site polished (lower bearing plate 3 is downward), and jack 6 is steady thereon and is placed symmetrically in and holds
On pressing plate 1, then test girder and auxiliary girder etc. are placed, last preloading counterweight is to realize entire test platform.Institute during test
The displacement sensor 4 used is mounted on the position between each rib in lower 3 face of bearing plate.Pass through multiple repetition test, the device
The problem of having well solved big finder charge bearing plate 3 upwarps and can not install displacement sensor 4 at present, so that testing
To go on smoothly, precision is guaranteed.
It further include transmission rod 5 in an embodiment of the present embodiment referring to Fig. 3.On transmission rod 5 is vertically connected at
Bearing plate 1, to be suitable for deep layer Rock Foundation Test Under Static Pressure.The structure is applicable to determine stake end to deep layer Rock Foundation Test Under Static Pressure
The situation of bearing capacity parameter.When use can prefabricated workshop according to test hole depth Rock Foundation Test Under Static Pressure pressure bearing device 10
Freezing links together with transmission rod 5 (being such as made of pile follower guide rod), is vertically placed into test hole, intermediate and top at the scene
Position channel steel fixes transmission rod 5, then transmission rod 5 top surface install jack 6, the devices such as girder, auxiliary girder, counterweight,
It completes test platform and carries out test.
Referring to fig. 4, the utility model embodiment provides a kind of load test device 100 comprising jack 6, counter-force knot
Structure and Rock Foundation Test Under Static Pressure pressure bearing device 10 above-mentioned.Jack 6 is configured to that an end position is fixed, the other end is pressed on pressure-bearing
On plate 1, to apply downward test load to Rock Foundation Test Under Static Pressure pressure bearing device 10.Displacement sensor 4 is configured for incuding
Vertical displacement under the test load at lower bearing plate 3.Optionally, load test device 100 includes for providing counter-force
Counterforce structure 7.Counterforce structure 7 may include girder, auxiliary girder, counterweight etc. for providing the structure of counter-force, specifically can be as needed
Selection.
In summary it describes, Rock Foundation Test Under Static Pressure pressure bearing device 10 and load test device in the utility model embodiment
100 have and can be realized compared with the Rock Foundation Test Under Static Pressure under big load, and the beneficial effect that test accuracy is high.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of Rock Foundation Test Under Static Pressure pressure bearing device characterized by comprising
Lower bearing plate；
Upper bearing plate, the upper bearing plate and the lower bearing plate interval are opposite, and pass through multiple deep floor branch between the two
Support connection；
Displacement sensor, institute's displacement sensors be set to the lower bearing plate close to the upper bearing plate surface, and by
It is disposed for incuding the vertical displacement of the lower bearing plate under test load.
2. Rock Foundation Test Under Static Pressure pressure bearing device according to claim 1, it is characterised in that:
The lower bearing plate and the upper bearing plate are circular plate structure, and the diameter of the lower bearing plate is less than on described
The diameter of bearing plate.
3. Rock Foundation Test Under Static Pressure pressure bearing device according to claim 1, it is characterised in that:
Multiple deep floors respectively vertically with the upper bearing plate and the lower bearing plate, and multiple ribs
Plate is uniformly distributed circumferentially.
4. Rock Foundation Test Under Static Pressure pressure bearing device according to claim 3, it is characterised in that:
The circumferential inner edge of multiple deep floors is fixed with each other.
5. Rock Foundation Test Under Static Pressure pressure bearing device according to claim 3, it is characterised in that:
The deep floor is the plate structure of right-angled trapezium, and its longer bottom edge is fixedly connected under the upper bearing plate
At the Radius on surface, at the Radius for the lower surface that its shorter bottom edge is fixedly connected on the lower bearing plate.
6. Rock Foundation Test Under Static Pressure pressure bearing device according to claim 1, it is characterised in that:
Institute's displacement sensors are set in the sector space of the two neighboring restriction in multiple deep floors.
7. Rock Foundation Test Under Static Pressure pressure bearing device according to claim 1, it is characterised in that:
The lower pressure-bearing board diameter is greater than 0.3m, and the upper pressure-bearing board diameter is greater than 0.5m；The lower bearing plate and it is described on hold
Spacing between pressing plate is 0.3-0.5m.
8. Rock Foundation Test Under Static Pressure pressure bearing device according to claim 1, it is characterised in that:
It further include transmission rod；
The transmission rod is vertically connected at the upper bearing plate, to be suitable for deep layer Rock Foundation Test Under Static Pressure.
9. a kind of load test device, it is characterised in that:
The load test device includes jack, counter-force load and the described in any item batholith load examinations of claim 1-8
Test pressure bearing device；
The jack is configured to that an end position is fixed, the other end is pressed on the upper bearing plate, to the batholith load
Test pressure bearing device applies downward test load；
Institute's displacement sensors are configured for incuding the vertical displacement under the test load at the lower bearing plate.
10. load test device according to claim 9, it is characterised in that:
The load test device includes for providing the counterforce structure of counter-force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820966555.5U CN208633166U (en) | 2018-06-21 | 2018-06-21 | Rock Foundation Test Under Static Pressure pressure bearing device and load test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820966555.5U CN208633166U (en) | 2018-06-21 | 2018-06-21 | Rock Foundation Test Under Static Pressure pressure bearing device and load test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208633166U true CN208633166U (en) | 2019-03-22 |
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ID=65734652
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|---|---|---|---|
| CN201820966555.5U Active CN208633166U (en) | 2018-06-21 | 2018-06-21 | Rock Foundation Test Under Static Pressure pressure bearing device and load test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208633166U (en) |
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2018
- 2018-06-21 CN CN201820966555.5U patent/CN208633166U/en active Active
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