CN113047254A - Be used for seismic wave pore pressure static sounding testing arrangement - Google Patents
Be used for seismic wave pore pressure static sounding testing arrangement Download PDFInfo
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- CN113047254A CN113047254A CN202110338791.9A CN202110338791A CN113047254A CN 113047254 A CN113047254 A CN 113047254A CN 202110338791 A CN202110338791 A CN 202110338791A CN 113047254 A CN113047254 A CN 113047254A
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- protective tube
- tube body
- spread groove
- connecting protrusion
- penetration test
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/022—Investigation of foundation soil in situ before construction work by investigating mechanical properties of the soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/16—Shapes
- E02D2200/1671—Shapes helical or spiral
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a device for testing seismic wave pore pressure static sounding. Including the penetration test probe body that is used for detecting the earthquake ripples, still including being used for the protection the protective tube subassembly of penetration test probe body, the protective tube subassembly cover is in the periphery lateral wall of penetration test probe body, the protective tube subassembly includes a plurality of protective tube bodies, and is a plurality of the protective tube body is followed the axial of protective tube subassembly sets up in succession the top portion of protective tube body is provided with and is used for connecting another the spread groove of protective tube body the bottom portion of protective tube body is provided with and is used for connecting another the connection of protective tube body is protruding, connect protruding sliding connection the spread groove the periphery lateral wall of protective tube body is provided with the direction of spiral extension and is protruding. The invention can solve the problem that the prior technical scheme lacks a protection structure for the seismic wave pore-pressure static cone penetration probe.
Description
Technical Field
The invention relates to the technical field of seismic waves, in particular to a piezocone penetration test device for seismic waves.
Background
Static sounding refers to pressing a feeler lever with a feeler into a test soil layer by using a pressure device, and testing the penetration resistance, the side wall friction resistance and the like of soil by using a measuring system to determine certain basic physical mechanical properties of the soil, such as the deformation modulus of the soil, the allowable bearing capacity of the soil and the like. Static sounding techniques have been known for over 80 years. Static sounding is widely applied internationally, and drilling and sampling in engineering exploration are partially or completely replaced.
China firstly develops and succeeds in electrical measuring static sounding in 1965 and applies the electrical measuring static sounding to reconnaissance. In recent years, with the rapid development of sensor technology, a plurality of new static sounding technologies are developed, and the technologies can rapidly and accurately obtain the pore water pressure, the resistivity, the pollutant properties, the temperature and even the image of a soil layer. Has been applied to the field of environmental geotechnics in large quantities abroad.
The seismic wave static sounding technology can effectively measure the in-situ shear wave velocity and the dynamic shear modulus of a soil layer and has the characteristics of rapidness, economy, in-situ performance and the like. When the probe penetrates into a certain depth, an iron hammer is used for manually knocking the iron plate to excite shear waves, meanwhile, a built-in circuit of the probe starts to collect seismic wave waveform data and store the seismic wave waveform data, after one-time storage is completed, the data are automatically transmitted to a surface computer through a serial port, and computer software processes and displays the collected data in a waveform mode.
The patent number CN201210282561.6 discloses a Chinese patent named as an automatic seismic wave triggering device for multifunctional piezocone penetration test, which comprises a pair of porous iron frames, a long bolt, a wood handle, a lead, a nylon rope, an iron hammer and an L-shaped iron plate; a pair of porous iron frames are arranged on the outer wall of the multifunctional piezocone sounding carriage in parallel and are positioned right above the L-shaped iron plate; the upper end of the wood handle is provided with a round small hole, the long bolt is connected with the round small hole on the porous iron frame through the cylindrical small hole of the wood handle, and the other lower end of the wood handle is connected with the iron hammer; the photoelectric pulse trigger instrument is connected with the hammer through a lead, so that the initial seismic wave signal can be stored through the lead after the photoelectric pulse trigger instrument sends out an acquisition prompt signal; the nylon rope is tied to one end of the hammer, and the L-shaped iron plate is arranged at the other end of the hammer and fixed on the ground by a truck or other static loads.
Although the technical scheme has the characteristics of convenience, rapidness, accuracy, high repeatability, good quality control and the like, the method provides a powerful testing tool for civil engineering exploration practice. However, in the operation process, the seismic wave piezocone penetration test probe is directly inserted into the ground, and a protection structure for the seismic wave piezocone penetration test probe is lacked, so that the seismic wave piezocone penetration test probe is easy to damage.
Disclosure of Invention
Aiming at the defects of the prior art, the invention discloses a device for testing seismic wave pore-pressure static sounding, which can solve the problem that the prior technical scheme lacks a protection structure for a seismic wave pore-pressure static sounding probe.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a penetration test device for seismic wave pore-pressure static cone, including the penetration test probe body that is used for detecting the seismic wave, still including being used for the protection the protecting tube subassembly of penetration test probe body, the protecting tube subassembly cover is in the periphery lateral wall of penetration test probe body, the protecting tube subassembly includes a plurality of protecting tube bodies, and is a plurality of the protecting tube body is followed the axial of protecting tube subassembly sets up in succession the top portion of protecting tube body is provided with and is used for connecting another the spread groove of protecting tube body the bottom portion of protecting tube body is provided with and is used for connecting another the connection of protecting tube body is protruding, connect protruding sliding connection the spread groove the periphery lateral wall of protecting tube body is provided with the direction of helical extension and is protruding.
According to the technical scheme, the connecting grooves comprise first connecting grooves, the first connecting grooves are located on one side of the protective pipe body, the first connecting grooves extend along the circumferential direction of the protective pipe body, and the corresponding circular angles of the first connecting grooves are 90 degrees.
Preferably, the connecting protrusion comprises a first connecting protrusion, the first connecting protrusion is located on one side of the protection pipe body, the first connecting protrusion extends along the circumferential direction of the protection pipe body, and a corresponding circular angle of the first connecting protrusion is 90 °.
In a preferred embodiment, the first connecting protrusion includes a first portion and a second portion, the first portion is fixedly connected to the protection tube body, the second portion is fixedly connected to the first portion, the second portion is slidably connected to the first connecting groove, and the first portion is shorter than the second portion in a circumferential direction of the protection tube body.
Preferably, the connecting groove comprises a second connecting groove, the second connecting groove is located on the other side of the protective pipe body, the second connecting groove extends along the circumferential direction of the protective pipe body, and the corresponding round angle of the second connecting groove is 90 degrees.
Preferably, the connecting protrusion comprises a second connecting protrusion, the second connecting protrusion is located on one side of the protection pipe body, the second connecting protrusion extends along the circumferential direction of the protection pipe body, and the corresponding round angle of the second connecting protrusion is 90 degrees.
Preferably, the second connecting protrusion includes a third portion and a fourth portion, the third portion is fixedly connected to the protection tube body, the fourth portion is fixedly connected to the third portion, the fourth portion is slidably connected to the second connecting groove, and the third portion is shorter than the fourth portion along the circumferential direction of the protection tube body.
According to the preferable technical scheme, the guide protrusions extend spirally along the designated direction, and the guide protrusions of two adjacent protective pipe bodies are smoothly connected.
The invention discloses a device for testing seismic wave pore pressure static sounding, which has the following advantages:
in this application embodiment, can separate penetration test probe body and soil at the periphery lateral wall of penetration test probe body through the protective tube subassembly that sets up to the realization reduces striking and the extrusion between penetration test probe body and the soil to the protection of penetration test probe body, is favorable to keeping the good operational environment of penetration test probe body and improves the life of penetration test probe body.
In this application embodiment, can realize the continuous connection of a plurality of protective tube bodies through setting up at the coupling bead and the spread groove of protective tube body to transmit the protective tube body through adjacent protective tube body and at circumference and axial removal, thereby realize the function that the guide penetration test probe body got into operating position, with striking and the extrusion between further avoiding moving process penetration test probe body and the soil.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an embodiment of the present invention;
FIG. 3 is a front view of the body of the shielding tube in an embodiment of the present invention;
FIG. 4 is a cross-sectional view of the body of the shielding tube in an embodiment of the present invention;
FIG. 5 is a top view of the body of the shielding tube in an embodiment of the present invention;
FIG. 6 is a bottom view of the body of the shielding tube in an embodiment of the present invention;
FIG. 7 is a schematic view of the connection of the shielding pipe body according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, the apparatus for seismic pore-pressure static cone penetration testing according to the embodiment of the present invention includes a penetration testing probe body 1 for detecting seismic waves, and further includes a guard tube assembly 2 for protecting the penetration testing probe body 1, the protective tube assembly 2 is sleeved on the peripheral side wall of the sounding test probe body 1, the protective tube assembly 2 comprises a plurality of protective tube bodies 20, the plurality of protective tube bodies 20 are continuously arranged along the axial direction of the protective tube assembly 2, the top end part of the protecting tube body 20 is provided with a connecting groove for connecting another protecting tube body 20, a connecting protrusion for connecting another protection tube body 20 is arranged at the bottom end part of the protection tube body 20, the connecting protrusion is connected with the connecting groove in a sliding manner, a guide protrusion 29 extending spirally is provided on the outer peripheral side wall of the protection tube body 20.
In this application embodiment, can separate penetration test probe body 1 and soil at penetration test probe body 1's periphery lateral wall through protective tube subassembly 2 that sets up to the realization is to penetration test probe body 1's protection, reduces striking and extrusion between penetration test probe body 1 and the soil, is favorable to keeping penetration test probe body 1's good operational environment and improves penetration test probe body 1's life.
In this application embodiment, can realize the continuous connection of a plurality of protective tube bodies 20 through the connection protrusion and the spread groove that set up at protective tube body 20 to transmit protective tube body 20 through adjacent protective tube body 20 and at circumference and axial removal, thereby realize the function that the guide penetration test probe body 1 got into operating position, with impact and the extrusion between further avoiding moving process penetration test probe body 1 and the soil.
In the embodiment of the present application, the guiding protrusion 29 extends spirally along a designated direction, the protection tube body 20 rotates clockwise in fig. 5, the protection tube body 20 continuously screws into the pre-selected drilled test hole in the soil and pushes the protection tube body 20 below to screw into the pre-selected drilled test hole in the soil, the protection tube body 20 rotates counterclockwise in fig. 5, the protection tube body 20 continuously screws out of the pre-selected drilled test hole in the soil and pulls the protection tube body 20 below to screw out of the pre-selected drilled test hole in the soil.
In order to facilitate the interconnection of two adjacent protective tube bodies 20, the connecting groove includes a first connecting groove 21, the first connecting groove 21 is located one side of the protective tube body 20 is provided, the first connecting groove 21 is along the circumferential extension of the protective tube body 20, and the circular angle corresponding to the first connecting groove 21 is set to 90 °.
In order to cooperate with the first connecting groove 21 to connect two adjacent protecting pipe bodies 20 to each other, the connecting protrusion includes a first connecting protrusion 23, the first connecting protrusion 23 is disposed at one side of the protecting pipe body 20, the first connecting protrusion 23 extends along the circumferential direction of the protecting pipe body 20, and the corresponding circular angle of the first connecting protrusion 23 is set to be 90 °.
In order to realize different functions during the clockwise rotation process and the counterclockwise rotation process of the protection tube body 20, the first connecting protrusion 23 includes a first portion 201 and a second portion 202, the first portion 201 is fixedly connected to the protection tube body 20, the second portion 202 is fixedly connected to the first portion 201, the second portion 202 is slidably connected to the first connecting groove 21, and the first portion 201 is shorter than the second portion 202 along the circumferential direction of the protection tube body 20.
As shown in fig. 7, in the clockwise rotation process, one side end surface of the second portion 202 abuts against one side end surface of the first connecting groove 21, and the protection tube body 20 is pressed down while the protection tube body 20 is rotated. In the counterclockwise rotation process, the upper end surface of the second portion 202 abuts against the inner end surface of the first connecting groove 21, and the protection pipe body 20 is pulled up while rotating the protection pipe body 20.
In order to further facilitate the connection between two adjacent shielding pipe bodies 20, the connecting groove includes a second connecting groove 22, the second connecting groove 22 is located at the other side of the shielding pipe body 20, the second connecting groove 22 extends along the circumferential direction of the shielding pipe body 20, and the corresponding circular angle of the second connecting groove 22 is set to be 90 °.
In order to cooperate with the second connecting groove 22 to connect two adjacent protection tube bodies 20 to each other, the connecting protrusion comprises a second connecting protrusion 24, the second connecting protrusion 24 is located on one side of the protection tube body 20, the second connecting protrusion 24 extends along the circumferential direction of the protection tube body 20, and the corresponding circular angle of the second connecting protrusion 24 is set to be 90 °.
Correspondingly, the second connecting protrusion 24 includes a third portion fixedly connected to the protection tube body 20 and a fourth portion fixedly connected to the third portion, the fourth portion slidably connected to the second connecting groove 22, and the third portion is shorter than the fourth portion along the circumferential direction of the protection tube body 20.
Specifically, the guide protrusions 29 extend spirally in a predetermined direction, and the guide protrusions 29 of two adjacent protective tube bodies 20 are smoothly connected.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A penetration test probe body for seismic wave pore pressure static sounding testing arrangement, including being used for detecting seismic wave, its characterized in that: still including being used for the protection the protective tube subassembly of penetration test probe body, protective tube subassembly cover is in the periphery lateral wall of penetration test probe body, the protective tube subassembly includes a plurality of protective tube bodies, and is a plurality of the protective tube body is followed the axial of protective tube subassembly sets up in succession the top portion of protective tube body is provided with and is used for connecting another the spread groove of protective tube body the bottom portion of protective tube body is provided with and is used for connecting another the connection of protective tube body is protruding, connect protruding sliding connection the spread groove the periphery lateral wall of protective tube body is provided with the direction that the spiral extends and is protruding.
2. A seismic pore pressure static cone penetration test apparatus as claimed in claim 1, wherein: the spread groove includes first spread groove, first spread groove is located one side setting of protective tube body, first spread groove edge the circumference of protective tube body extends, the circular angle that first spread groove corresponds sets up to 90.
3. A seismic pore pressure static cone penetration test apparatus as claimed in claim 2, wherein: the connecting protrusion comprises a first connecting protrusion, the first connecting protrusion is arranged on one side of the protective pipe body, the first connecting protrusion extends along the circumferential direction of the protective pipe body, and a corresponding circular angle of the first connecting protrusion is 90 degrees.
4. A seismic pore pressure static cone penetration test apparatus as claimed in claim 3, wherein: the first connecting protrusion includes a first portion fixedly connected to the protection tube body and a second portion fixedly connected to the first portion, the second portion slidably connected to the first connecting groove, the first portion being shorter than the second portion in a circumferential direction of the protection tube body.
5. A seismic pore pressure static cone penetration test apparatus as claimed in claim 1, wherein: the spread groove includes the second spread groove, the second spread groove is located the opposite side setting of protecting tube body, the second spread groove is followed the circumference of protecting tube body is extended, the circular angle that the second spread groove corresponds sets up to 90.
6. A seismic pore pressure static cone penetration testing device according to claim 5, wherein: the connecting protrusion comprises a second connecting protrusion, the second connecting protrusion is located on one side of the protective pipe body, the second connecting protrusion extends along the circumferential direction of the protective pipe body, and the corresponding circular angle of the second connecting protrusion is 90 degrees.
7. A seismic pore pressure static cone penetration testing device according to claim 6, wherein: the second connecting protrusion comprises a third part and a fourth part, the third part is fixedly connected with the protective pipe body, the fourth part is fixedly connected with the third part, the fourth part is in sliding connection with the second connecting groove, and the third part is shorter than the fourth part along the circumferential direction of the protective pipe body.
8. A seismic pore pressure static cone penetration test apparatus as claimed in claim 1, wherein: the guide protrusions extend spirally along the designated direction, and the guide protrusions of two adjacent protective pipe bodies are smoothly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110338791.9A CN113047254A (en) | 2021-03-30 | 2021-03-30 | Be used for seismic wave pore pressure static sounding testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110338791.9A CN113047254A (en) | 2021-03-30 | 2021-03-30 | Be used for seismic wave pore pressure static sounding testing arrangement |
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| CN113047254A true CN113047254A (en) | 2021-06-29 |
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| CN202110338791.9A Pending CN113047254A (en) | 2021-03-30 | 2021-03-30 | Be used for seismic wave pore pressure static sounding testing arrangement |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2606354Y (en) * | 2003-03-25 | 2004-03-10 | 中国海洋大学 | Monitor for pressure on original bores on earth on sea bottom |
| CN105484266A (en) * | 2016-01-07 | 2016-04-13 | 江苏建院营造有限公司 | Multifunctional informatization grouting equipment and construction method thereof |
| CN206292407U (en) * | 2016-12-02 | 2017-06-30 | 武汉地大华睿地学技术有限公司 | One kind is based on technological service soil metal sounding device |
| CN207161901U (en) * | 2017-08-21 | 2018-03-30 | 天津市鑫盈保温材料有限公司 | A kind of polyethylene outer protective pipe of convenient hardness docking |
| CN108570978A (en) * | 2018-06-05 | 2018-09-25 | 山西冶金岩土工程勘察有限公司 | Hollow side wall wiring formula static cone penetration equipment |
| CN111379249A (en) * | 2020-03-19 | 2020-07-07 | 彭江涛 | Static sounding equipment and static sounding method for geotechnical geological exploration |
| CN111593717A (en) * | 2020-05-28 | 2020-08-28 | 东南大学 | Novel pore pressure static sounding device for pile foundation performance test |
-
2021
- 2021-03-30 CN CN202110338791.9A patent/CN113047254A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2606354Y (en) * | 2003-03-25 | 2004-03-10 | 中国海洋大学 | Monitor for pressure on original bores on earth on sea bottom |
| CN105484266A (en) * | 2016-01-07 | 2016-04-13 | 江苏建院营造有限公司 | Multifunctional informatization grouting equipment and construction method thereof |
| CN206292407U (en) * | 2016-12-02 | 2017-06-30 | 武汉地大华睿地学技术有限公司 | One kind is based on technological service soil metal sounding device |
| CN207161901U (en) * | 2017-08-21 | 2018-03-30 | 天津市鑫盈保温材料有限公司 | A kind of polyethylene outer protective pipe of convenient hardness docking |
| CN108570978A (en) * | 2018-06-05 | 2018-09-25 | 山西冶金岩土工程勘察有限公司 | Hollow side wall wiring formula static cone penetration equipment |
| CN111379249A (en) * | 2020-03-19 | 2020-07-07 | 彭江涛 | Static sounding equipment and static sounding method for geotechnical geological exploration |
| CN111593717A (en) * | 2020-05-28 | 2020-08-28 | 东南大学 | Novel pore pressure static sounding device for pile foundation performance test |
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Application publication date: 20210629 |