CN106885890B - A kind of Potential of Seabed Under Wave Loading soil body disaster formation simulator - Google Patents

A kind of Potential of Seabed Under Wave Loading soil body disaster formation simulator Download PDF

Info

Publication number
CN106885890B
CN106885890B CN201710014314.0A CN201710014314A CN106885890B CN 106885890 B CN106885890 B CN 106885890B CN 201710014314 A CN201710014314 A CN 201710014314A CN 106885890 B CN106885890 B CN 106885890B
Authority
CN
China
Prior art keywords
cylinder
potential
pipe
disaster
air compressor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710014314.0A
Other languages
Chinese (zh)
Other versions
CN106885890A (en
Inventor
常方强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaqiao University
Original Assignee
Huaqiao University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huaqiao University filed Critical Huaqiao University
Priority to CN201710014314.0A priority Critical patent/CN106885890B/en
Publication of CN106885890A publication Critical patent/CN106885890A/en
Application granted granted Critical
Publication of CN106885890B publication Critical patent/CN106885890B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24Earth materials

Abstract

The invention discloses a kind of Potential of Seabed Under Wave Loading soil body disasters to form simulator, including bracket, cylinder, piston, air compressor machine, vacuum pump, change-over switch, first pipe, second pipe;Bracket one end is fixed on ship, and the other end is fixed on the height that on cylinder and can adjust cylinder;Equably setting is there are four guide rail on cylinder inboard wall four direction, and equably there are four grooves for setting on outer surface of piston four direction, and when piston is placed in cylinder, four guide rails are mutually engaged with four grooves;The first hole and the second hole are equipped at the top of cylinder, one end of first pipe is connected with the first hole, and the other end is connected with air compressor machine;One end of second pipe is connected with the second hole, and the other end is connected with vacuum pump;Change-over switch is respectively connected with air compressor machine and vacuum pump, is worked for controlling air compressor machine or vacuum pump.Simulator of the invention being capable of the influence of circulating analog wave wave crest and trough positive/negative pressure to sea bed.

Description

A kind of Potential of Seabed Under Wave Loading soil body disaster formation simulator
Technical field
The present invention relates to marine engineering geology disaster fields, in particular to one kind for sea bed under simulated waves load action The device that soil body disaster is formed.
Background technique
When meeting the extreme sea conditions such as storm tide, seawater causes huge wave, and sea bed is by wave cycle pressure, sea bed when wave crest The soil body is by normal pressure, by negative pressure when trough.Under circulating pressure effect, seabed soil is easy to produce a series of disasters, Rise and fall including silt, corrode and liquefy etc., these disasters further induce the safety of seabed engineering facility.In order to study wave The disaster that lower seabed soil occurs is acted on, laying sensor in seabed and be monitored is a kind of preferable method, and actual strong There are many uncontrollable factor, the sensor that lower part is laid is subject to damage or lose wave.Therefore, it is simulated using manual method Effect of the wave to sea bed is a kind of preferable method, and in addition manual method has repeatability, and it is big can to convert wave pressure Small and period, the law of development for studying seabed soil disaster have stronger operability.In view of this, developing a kind of wave Wave acts on lower seabed soil disaster and forms simulator, being highly desirable property.
Summary of the invention
It is an object of the invention to overcome the deficiency of the prior art, provides a kind of Potential of Seabed Under Wave Loading soil body disaster and is formed Simulator, the influence of circulating analog wave wave crest and trough positive/negative pressure to sea bed.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of Potential of Seabed Under Wave Loading soil body disaster formation simulator, including bracket, cylinder, piston, air compressor machine, vacuum Pump, change-over switch, first pipe, second pipe;Described bracket one end is fixed on ship, and the other end is fixed on cylinder and energy Enough adjust the height of the cylinder;Equably there are four guide rail, the piston appearances for setting on the cylinder inboard wall four direction Equably there are four grooves for setting on the four direction of face, and the piston is placed in the cylinder, and four guide rails and institute Four grooves are stated mutually to be engaged;The cylinder is top closed and is equipped with the first hole and the second hole, one end of the first pipe It is connected with first hole, the other end is connected with the air compressor machine;One end of the second pipe and second hole Hole is connected, and the other end is connected with the vacuum pump;The change-over switch distinguishes phase with the air compressor machine and the vacuum pump Connection, works for controlling the air compressor machine or the vacuum pump.
The bracket is formed by steel-pipe welding.
The cylinder is cylinder.
The cylinder body bottom is welded with a circle iron hoop, to prevent piston from going out cylinder.
The cylinder is made of steel.
The piston is made of steel.
The change-over switch is automatic change-over, and the change-over period is settable.
The first pipe and second pipe are plastic conduit.
A kind of Potential of Seabed Under Wave Loading soil body disaster of the present invention forms simulator, in use, the simulator is connected It connects, bracket is fixedly connected on ship, is transported at place to be tested, cylinder state in a vertical shape, by bracket by cylinder tune It saves at appropriate height, makes cylinder is approximately half of to be located under seawater, the other half is located in air;Sea bed immediately below cylinder Several sensor is buried in surface and the soil body;The change-over period of change-over switch is set, so that connection air compressor machine and vacuum pump Duty cycle is half of wave period respectively, starts change-over switch, air compressor machine and vacuum pump is allowed to take turns to operate.When air compressor machine works When, air compressor machine applies air pressure into cylinder, and piston is rapidly moving downward under pressure, and piston pushes seawater to moving down It is dynamic, pressure, wave pressure of the simulation wave crest to sea bed are generated to sea bed;After air compressor machine acts on half of wave period, change-over switch is opened Dynamic vacuum pump, vacuum pump extract rapidly the intracorporal air of cylinder, and piston moves up rapidly, and seawater pressure reduces, and simulate trough to sea bed Negative pressure.So circulation, the influence of simulated waves wave crest and trough positive/negative pressure to sea bed, the sensor being arranged using sea bed Monitor the forming process of wave pressure size and seabed soil disaster.
Technical solution provided by the invention has the benefit that being capable of circulating analog wave wave crest and trough positive/negative-pressure Influence of the power to sea bed, and the formation of sensor monitoring the wave pressure size and seabed soil disaster using sea bed setting Journey.
Invention is further described in detail with reference to the accompanying drawings and embodiments, but under a kind of wave action of the invention Seabed soil disaster forms simulator and is not limited to the embodiment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of simulator of the invention;
Fig. 2 is the cross-section diagram of cylinder of the invention;
Fig. 3 is the cross-section diagram of piston of the invention.
Appended drawing reference: 1, bracket, 2, cylinder, 21, guide rail, the 22, first hole, the 23, second hole, 24, iron hoop, 3, work Plug, 31, groove, 4, air compressor machine, 5, vacuum pump, 6, change-over switch, 7, first pipe, 8, second pipe.
Specific embodiment
As shown in Figure 1 to Figure 3, a kind of Potential of Seabed Under Wave Loading soil body disaster forms simulator, including bracket 1, cylinder 2, piston 3, air compressor machine 4, vacuum pump 5, change-over switch 6, first pipe 7 and second pipe 8.
Wherein, the bracket 1 is formed by steel-pipe welding, and one end is fixed on ship, other end fixed cylinder 2, and energy Enough adjust the height of cylinder 2.
The cylinder 2 is cylinder, is made of steel, and there are four guide rails 21 on four direction for inner wall, positioned at piston 3 In groove 31, cylinder 2 is top closed and is equipped with the first hole 22 and the second hole 23, is separately connected air compressor machine 4 and vacuum pump 5, 2 bottom of cylinder is welded with a circle iron hoop 24, to prevent piston 3 from running out of cylinder 2.
The piston 3 is made of steel, and there are four groove 31 on four direction, groove 31 is engaged with 21 phase of cylinder guide rail, The outer diameter of the piston 3 is more smaller than the internal diameter of cylinder 2, and the two has preferably identical property.
The air compressor machine 4 is to apply air pressure into cylinder 2, and the vacuum pump 5 is quickly to reduce in cylinder 2 Pressure, and a vacuum power is formed in cylinder 2, the air compressor machine 4 and the preferably high-power person of vacuum pump 5.The change-over switch 6 with The air compressor machine 4 and vacuum pump 5 are separately connected, and are worked to automatically control one of air compressor machine and vacuum pump.
The first pipe 7 and the second pipe 8 are high strength plastics pipeline, and the first pipe 7 connects 4 He of air compressor machine First hole 22 of cylinder 2, the second pipe 8 connect the second hole 23 of vacuum pump 5 and cylinder 2.
A kind of Potential of Seabed Under Wave Loading soil body disaster of the present invention forms simulator, in use, the simulator is connected It connects, bracket 1 is fixedly connected on ship, is transported at place to be tested, the state in a vertical shape of cylinder 2, by bracket 1 by cylinder 2 are adjusted at appropriate height, make cylinder 2 is approximately half of to be located under seawater, the other half is located in air;Immediately below cylinder 2 Sea bed surface and the soil body in bury several sensor;The change-over period of change-over switch 6 is set, so that connection 4 He of air compressor machine The duty cycle of vacuum pump 5 is half of wave period respectively, starts change-over switch 6, air compressor machine 4 and vacuum pump 5 is allowed to take turns to operate. When air compressor machine 4 works, air compressor machine 4 applies air pressure into cylinder, and piston 3 is rapidly moving downward under pressure, living 3 promotion seawater of plug moves down, and generates pressure, wave pressure of the simulation wave crest to sea bed to sea bed;Air compressor machine 4 acts on half of wave After period, change-over switch 6 starts vacuum pump 5, and vacuum pump 5 extracts rapidly the air in cylinder 2, and piston 3 moves up rapidly, seawater pressure Power reduces, negative pressure of the simulation trough to sea bed.The shadow of so circulation, simulated waves wave crest and trough positive/negative pressure to sea bed It rings, utilizes the forming process of sensor monitoring the wave pressure size and seabed soil disaster of sea bed setting.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (8)

1. a kind of Potential of Seabed Under Wave Loading soil body disaster forms simulator, which is characterized in that including bracket (1), cylinder (2), Piston (3), air compressor machine (4), vacuum pump (5), change-over switch (6), first pipe (7), second pipe (8);The bracket (1) one End is fixed on ship, and the other end is fixed on cylinder (2) and can adjust the height of the cylinder (2);In the cylinder (2) There are four being equably arranged on wall four direction guide rail (21), equably it is provided on the four direction of piston (3) outer surface Four grooves (31), the piston (3) are placed in the cylinder (2), and four guide rails (21) and four grooves (31) it is mutually engaged;The cylinder (2) is top closed and is equipped with the first hole (22) and the second hole (23), the first pipe (7) one end is connected with first hole (22), and the other end is connected with the air compressor machine (4);The second pipe (8) One end be connected with second hole (23), the other end is connected with the vacuum pump (5);The change-over switch (6) with The air compressor machine (4) and the vacuum pump (5) are respectively connected with, for control the air compressor machine (4) or the vacuum pump (5) into Row work.
2. Potential of Seabed Under Wave Loading soil body disaster according to claim 1 forms simulator, which is characterized in that the branch Frame (1) is formed by steel-pipe welding.
3. Potential of Seabed Under Wave Loading soil body disaster according to claim 1 forms simulator, which is characterized in that the cylinder Body (2) is cylinder.
4. Potential of Seabed Under Wave Loading soil body disaster according to claim 3 forms simulator, which is characterized in that the cylinder Body (2) bottom is welded with a circle iron hoop (24), to prevent piston (3) from going out cylinder (2).
5. Potential of Seabed Under Wave Loading soil body disaster according to claim 1 forms simulator, which is characterized in that the cylinder Body (2) is made of steel.
6. Potential of Seabed Under Wave Loading soil body disaster according to claim 5 forms simulator, which is characterized in that the work Plug (3) is made of steel.
7. Potential of Seabed Under Wave Loading soil body disaster according to claim 1 forms simulator, which is characterized in that described turn Changing switch (6) is automatic change-over, and the change-over period is settable.
8. Potential of Seabed Under Wave Loading soil body disaster according to claim 1 forms simulator, which is characterized in that described the One pipeline (7) and second pipe (8) are plastic conduit.
CN201710014314.0A 2017-01-09 2017-01-09 A kind of Potential of Seabed Under Wave Loading soil body disaster formation simulator Active CN106885890B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710014314.0A CN106885890B (en) 2017-01-09 2017-01-09 A kind of Potential of Seabed Under Wave Loading soil body disaster formation simulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710014314.0A CN106885890B (en) 2017-01-09 2017-01-09 A kind of Potential of Seabed Under Wave Loading soil body disaster formation simulator

Publications (2)

Publication Number Publication Date
CN106885890A CN106885890A (en) 2017-06-23
CN106885890B true CN106885890B (en) 2019-01-25

Family

ID=59176639

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710014314.0A Active CN106885890B (en) 2017-01-09 2017-01-09 A kind of Potential of Seabed Under Wave Loading soil body disaster formation simulator

Country Status (1)

Country Link
CN (1) CN106885890B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107966267B (en) * 2017-10-26 2019-08-20 浙江大学 The strength of sea bed containing shallow gas is prominent under a kind of simulation billow gushes and the device of sea bed unstability
CN108507548B (en) * 2018-05-02 2020-08-07 华侨大学 Measuring device and measuring method for geometrical morphology of submarine pits
CN109490084B (en) * 2018-11-29 2019-12-06 中国海洋大学 In-situ test device and method for releasing amount of endogenous pollutants in marine sediments under simulated wave action

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1038750A (en) * 1996-07-24 1998-02-13 Mitsubishi Heavy Ind Ltd Test water tank
CN2629020Y (en) * 2003-06-24 2004-07-28 中国科学院力学研究所 Apparatus for simulating sea wave with drum type centrifugal machine
CN103234732A (en) * 2013-05-07 2013-08-07 清华大学 Onboard deep sea environment simulation device for huge marine centrifugal machine under high gravity field
CN104802927A (en) * 2015-04-28 2015-07-29 中国海洋石油总公司 Test device and method for simulating deep water suction force anchor negative pressure installation
CN105525636A (en) * 2016-01-29 2016-04-27 浙江大学 Model test device simulating dynamic responses of near-sea foundation pit under action of wave loads
CN105716781A (en) * 2016-01-21 2016-06-29 中国海洋大学 Beach shallow sea pore water pressure in situ observation device and method based on vibratory liquefaction principle
CN105953971A (en) * 2016-01-21 2016-09-21 中国海洋大学 Beach shallow sea pore water pressure in situ observation system based on vibratory liquefaction principle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1038750A (en) * 1996-07-24 1998-02-13 Mitsubishi Heavy Ind Ltd Test water tank
CN2629020Y (en) * 2003-06-24 2004-07-28 中国科学院力学研究所 Apparatus for simulating sea wave with drum type centrifugal machine
CN103234732A (en) * 2013-05-07 2013-08-07 清华大学 Onboard deep sea environment simulation device for huge marine centrifugal machine under high gravity field
CN104802927A (en) * 2015-04-28 2015-07-29 中国海洋石油总公司 Test device and method for simulating deep water suction force anchor negative pressure installation
CN105716781A (en) * 2016-01-21 2016-06-29 中国海洋大学 Beach shallow sea pore water pressure in situ observation device and method based on vibratory liquefaction principle
CN105953971A (en) * 2016-01-21 2016-09-21 中国海洋大学 Beach shallow sea pore water pressure in situ observation system based on vibratory liquefaction principle
CN105525636A (en) * 2016-01-29 2016-04-27 浙江大学 Model test device simulating dynamic responses of near-sea foundation pit under action of wave loads

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
循环荷载下粉质土海床的孔压响应特性;张琳 等;《第十六届中国海洋(岸)工程学术讨论会论文集》;20130831;第69-71页
海洋波浪能利用的实验教学平台开发;张永良 等;《实验技术与管理》;20140930;第31卷(第9期);第121-126页
黄河口粉质土海床液化过程的现场试验研究;常方强 等;《土木工程学报》;20120131;第45卷(第1期);第817-822页

Also Published As

Publication number Publication date
CN106885890A (en) 2017-06-23

Similar Documents

Publication Publication Date Title
CN106885890B (en) A kind of Potential of Seabed Under Wave Loading soil body disaster formation simulator
CN102175513A (en) Separable type deepwater seabed pipeline bending test system
CN102607874B (en) Test bed for quasi-prototype structure of deepwater port project
CN107985516A (en) A kind of flank extension type dynamic driving anchor
CN108999165A (en) A kind of shallow sea mobile working platform being suitable for especially big slope in length and breadth
CN105587932B (en) A kind of novel seabed pipe jointer
CN108801798B (en) Complicated load test device for providing axial force loading by water pressure
CN107201991A (en) A kind of new marine windmill floating platform
CN206468897U (en) A kind of deviation correcting device of push-bench
CN203429622U (en) Connector installation error adjusting device of straight thread sleeve connecting reinforcement cage
CN106907545A (en) Gas oil pipe leakage oil gas fast-collection device
CN109140249B (en) Underwater structure gas leakage simulation device
CN203534844U (en) Application test platform used for crawl-type robot performance research
CN109853609A (en) A kind of offshore wind farm combination foundation
CN106948370A (en) Cavity pocketed ocean foundation structure and its construction method
CN206221175U (en) A kind of flexible offshore boosting station
CN108130883A (en) A kind of water-level fluctuation device of tide simulation load
CN203730927U (en) V-shaped rack structure for submarine pipeline
CN207692729U (en) A kind of preventing deep water breeding net case device
CN108223252A (en) A kind of wave energy generating set
CN105804111A (en) Unequal-length-leg offshore wind power jacket foundation and construction method thereof
CN207620753U (en) A kind of wellhead frame structure
CN208237215U (en) A kind of submerged pipeline laying apparatus
CN206829177U (en) Cavity pocketed ocean foundation structure
CN209693773U (en) A kind of deep water wind and wave resistance pearl breedinmg raft

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant