CN208072381U - A kind of underwater anti-rock burst hardened system - Google Patents

A kind of underwater anti-rock burst hardened system Download PDF

Info

Publication number
CN208072381U
CN208072381U CN201721904685.8U CN201721904685U CN208072381U CN 208072381 U CN208072381 U CN 208072381U CN 201721904685 U CN201721904685 U CN 201721904685U CN 208072381 U CN208072381 U CN 208072381U
Authority
CN
China
Prior art keywords
steel
pipe pile
bridging
rock burst
support plate
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
CN201721904685.8U
Other languages
Chinese (zh)
Inventor
黄增财
张文韬
李恒
王旭
王科
段薛鹏
黄志强
马晨峰
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.)
Road and Bridge International Co Ltd
China Communication North Road and Bridge Co Ltd
Original Assignee
Road and Bridge International Co Ltd
China Communication North Road and Bridge Co Ltd
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 Road and Bridge International Co Ltd, China Communication North Road and Bridge Co Ltd filed Critical Road and Bridge International Co Ltd
Priority to CN201721904685.8U priority Critical patent/CN208072381U/en
Application granted granted Critical
Publication of CN208072381U publication Critical patent/CN208072381U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

A kind of underwater anti-rock burst hardened system, including steel-pipe pile(1), it is characterised in that:In steel-pipe pile(1)Front end be provided with " sword point " shape steel disc(2);It facilitates construction, its other side that fixed blade supports by the way of pin joint, it is set to be moved freely in adjustable extent, it is cost-effective, convenient for constructing and haveing breakthrough on construction equipment and construction method, rock burst is effectively prevented using microwave energy using microwave, assists reducing rock strength by microwave irradiation.

Description

A kind of underwater anti-rock burst hardened system
Technical field:
The utility model is related to anti-rock burst hardened system, be primarily adapted for use in underwater excavation there are strong rock burst, extremely strong rocks In the engineerings such as water conservancy and hydropower, traffic and the mine of quick-fried risk.
Background technology:
It is frequently encountered extremely strong or strong rockburst risk during the engineering excavations such as water conservancy and hydropower, traffic and mine.Work as rock mass When the Large strain of interior accumulation can discharge suddenly, cause strong surrounding rock failure that will be caused greatly to site operation personnel and equipment Harm, but according to achievement in research both domestic and external and engineer application effect it is found that other than stress-relief blasting method, other constructions Measure cannot all reach ideal effect.
The supporting rack that construction site uses at present, more random to setting horizontal cross brace, some is not provided with, setting It can not determine critical load value added, not set up structure and increase correspondence with critical load after horizontal cross brace, scene It sets up by rule of thumb, on the one hand, cause waste of material cost to increase, on the other hand, security risk, some is caused even to occur great Safety accident.
At present when steel pipe pile driving construction, the method for welding bridging mostly uses greatly steel-pipe pile is fixed after, carry out Underwater Welding, Difficulty of construction is substantially improved, and is unfavorable for constructing operation, increases the input of manpower and materials, wastes time, delays the duration.
Steel-pipe pile is because its speed of application is high-quality soon, the advantages that recyclable recycling, is led in foundation pit enclosure and pile foundation engineering There is boundless application prospect in domain.Various forms of steel sheet piles are long-standing in engineer application field, but in engineering
Still some problems are encountered in practice, for example, rock breaking capacity is obstructed, steel-pipe pile sets initial stage just being shaken with vibration hammer Appearance can not enter rock, up and down significantly beat and spring back reaction and pile body tilt suddenly, deviation phenomena such as, seriously affect Steel-pipe pile normal construction.If carrying out plug construction using vibratory drilling method, can shake with a degree of in plugging work progress It is dynamic, although the measures such as high-frequency hydraulic hammer, which can be used, reduces the influence of vibration, but still it cannot completely eliminate, if using static(al) Method piling may lead to the lock continuous damage between stake and stake, and pile driving pressure is larger, have some to fill in effect.
Utility model content:
Purpose of utility model:
The utility model provides a kind of underwater anti-rock burst hardened system, the problems of previous the purpose is to solve.
Technical solution:
A kind of underwater anti-rock burst hardened system, including steel-pipe pile (1), it is characterised in that:It is set in the front end of steel-pipe pile (1) It is equipped with " sword point " shape steel disc (2);The side wall of steel-pipe pile (1) is provided with the bridging support plate (3) of energy opening angle, bridging branch One end of plate (3) is flexibly connected with steel-pipe pile (1), and the other end can open so that bridging support plate (3) and steel-pipe pile (1) shape The scissors mouth-shaped of forming V-shape.
Steel-pipe pile (1) side wall is provided with bridging (9), one end of bridging support plate (3) by pin joint bolt (4) with cut Knife supports (9) connection, and bridging support plate (3) and the pin joint bolt (4) are that axis rotates and forms V-arrangement with steel-pipe pile (1) when use Scissors mouth-shaped.
The angular range that bridging support plate (3) is formed with steel-pipe pile (1) is at 0 °~90 °.
" sword point " shape steel disc (2) is thick No. 45 steel plates of 25mm of 15cm × 25cm " sword point " shape, wherein to " sword point " direction Length along the expression in the eyes axially forward of steel-pipe pile (1), " sword point " is 25cm.
The side wall of steel-pipe pile (1) is provided with detachable microwave fracturing device, which includes micro- Wave source (5), coupling apparatus and wave detector (6), tuner (7) and microwave emitter (8);The delivery outlet of microwave source passes through rectangular waveguide It is sequentially connected coupling apparatus and wave detector, tuner and transmission cable, the end of transmission cable connects microwave emitter.
Steel-pipe pile (1) uses helix tube.
The underwater anti-rock burst reinforcement means implemented using a kind of above-mentioned underwater anti-rock burst hardened system, feature are existed In:Steps are as follows for this method:
It (1), should be by crawler belt with the piling machine of Telescopic track mounted on flat solid place by crawler type piling machine It is installed after expansion;Crawler belt expansion should be carried out in no counterweight;When pile monkey is installed, answered between pile monkey bottom impact block and pile cover There is certain thickness buffering chock;
(2), steel-pipe pile use helix tube, steel member process when take on the outside of steel-pipe pile bottom weld 10 pieces of 15cm × Thick No. 45 steel plates of 25mm of 25cm " sword point " shape;
(3), steel-pipe pile installs detachable microwave fracturing device, and the delivery outlet of wave source is sequentially connected lotus root by rectangular waveguide and closes The end of device and wave detector, tuner and transmission cable, transmission cable connects microwave emitter;Microwave source is that microwave generator exists Frequency electromagnetic waves are sent out under the action of high voltage power supply, microwave generator power is adjusted according to construction site demand, with frequency electromagnetic Wave compares the penetration depth with bigger, and microwave emitter structure is to be coaxially disposed by outer catheter and inner catheter, in outer catheter and Dielectric material is set between inner catheter, axial elongated crack is equipped on outer catheter, microwave is sent out from elongated crack;Wherein Dielectric material is ceramics, quartz, organic glass microwave transparency material;
(4), it after steel-pipe pile welding " sword point " shape steel disc, also needs to weld bridging in advance, bridging side is welded on steel pipe In stake, bridging lower part is by the way of in advance pin joint, the size and appearance of stringent control welding, effective guarantee bridging, The welding quality of lateral and bracket key position, bridging are arbitrarily adjusted according to required subtended angle in 0 °~90 °, weld lower part Pinned locations determine that by carrying out the depth of water to stake position in advance, coating is estimated, in conjunction with previous geology according to stake position actual conditions Steel-pipe pile normally enters rock depth, anti-to release lower part pinned locations, to ensure the smooth linking on bridging top;
(5), crawler type piling machine is connect with " sword point " the shape Novel steel pile pile being welded, after steel-pipe pile connects, is opened Dynamic endless track installation, upper part Working mechanism use three fulcrum structures, steel-pipe pile are disposed vertically, pile foundation is slowly squeezed into.
In rock break-off process, Piling speed is changed according to geology difference, trepanning must be correct, first starts slush pump and turns Disk starts to creep into, suitable control drilling depth after mud enters drilling certain amount, using decompression drilling when drilling, to avoid or Reduce inclined hole, curved hole and reaming phenomenon in hole drilling deslagging, carry cone except soil or when stopping boring for some reason, keep mud and casing top surface phase The specific gravity of mud and viscosity of gentle requirement, with avalanche prevention hole;Drilling is strictly constructed by drilling operation method, avoids collapsing as possible Hole, inclined hole, reaming, shrinkage cavity phenomenon occur.Advantageous effect:
The utility model provides a kind of underwater anti-rock burst hardened system, which is in order to enable steel-pipe pile is in foundation pit enclosure And these limitations are overcome in pile foundation, and then the insertion construction method and construction equipment of this kind of building enclosure are done further It improves.
In order to which bridging side is welded in the utility model in advance, facilitate construction, is fixed and cut by the way of pin joint The other side of knife support, makes it be moved freely in adjustable extent, cost-effective, convenient for construction and in construction equipment and construction party It has breakthrough in method, rock burst is effectively prevented using microwave energy using microwave, assist reducing rock strength by microwave irradiation.
Description of the drawings:
Fig. 1 is the structural scheme of mechanism of utility model;
Fig. 2 is the usage state diagram of the utility model.
Specific implementation mode:
The utility model provides a kind of underwater anti-rock burst hardened system, including steel-pipe pile 1, is arranged in the front end of steel-pipe pile 1 There is " sword point " shape steel disc 2;The side wall of steel-pipe pile 1 be provided with can opening angle bridging support plate 3, the one of bridging support plate 3 End is flexibly connected with steel-pipe pile 1, and the other end can open so that bridging support plate 3 forms the scissors degree of lip-rounding of V-arrangement with steel-pipe pile 1 Shape.
1 side wall of steel-pipe pile is provided with bridging 9, one end of bridging support plate 3 is connected by pin joint bolt 4 and bridging 9 It connects, bridging support plate 3 and the pin joint bolt 4 are that axis rotates and forms the scissors mouth-shaped of V-arrangement with steel-pipe pile 1 when use.
The angular range that bridging support plate 3 is formed with steel-pipe pile 1 is at 0 °~90 °.
" sword point " shape steel disc 2 is thick No. 45 steel plates of 25mm of 15cm × 25cm " sword point " shape, wherein to " sword point " direction edge The length of the expression in the eyes axially forward of steel-pipe pile 1, " sword point " is 25cm.
The side wall of steel-pipe pile 1 is provided with detachable microwave fracturing device, which includes microwave Source 5, coupling apparatus and wave detector 6, tuner 7 and microwave emitter 8;The delivery outlet of microwave source is sequentially connected lotus root by rectangular waveguide The end of clutch and wave detector, tuner and transmission cable, transmission cable connects microwave emitter.
The utility model is further illustrated below:
Each steel-pipe pile lower weld " sword point " shape steel plate, steel-pipe pile just occur not entering at the initial stage that sets of being shaken with vibration hammer Rock, up and down significantly beat and spring back reaction and pile body tilt suddenly, deviation phenomena such as, it is normal to seriously affect steel-pipe pile Construction.After slinging steel-pipe pile again, it is found that pile top side inwardly twists, the phenomenon that oblique section uphill side occur.
Bridging using [20a channel steels, lower part pinned locations according to stake position actual conditions determine, by advance to stake position into The row depth of water, coating are known the real situation, and in conjunction with previous geology steel-pipe pile normally enter rock depth, anti-to release lower part pinned locations, to protect Demonstrate,prove the smooth linking on bridging top.
One end of bridging is fixed to steel-pipe pile, and the other end can be more convenient for certainly with steel-pipe pile at the angle between 0 °~90 ° The angle welded by the adjusting other end realizes free subtended angle in allowable range angle under water.Bridging lower part uses sells in advance The mode connect, the size and appearance of stringent control welding, the welding of the key positions such as effective guarantee bridging, lateral and bracket Quality, bridging can arbitrarily be adjusted according to required subtended angle in 0 °~90 °.
Steel-pipe pile uses helix tube, and to reach to greatest extent into rock effect, steel member is taken when processing outside steel-pipe pile bottom Thick No. 45 steel plates of 25mm that 10 pieces of 15cm × 25cm " sword point " shape is welded in side carry out the vibrated reinforcement in stake bottom, are lifted into rock degree.
Crawler type piling machine uses endless track installation, and it is mobile flexibly in place convenient to have, and electric appliance hydraulic pressure is all adopted in addition It is easy to operate with centralized control, reduce the labor intensity of worker.Top Working mechanism uses three fulcrum structures, mobile in place Rapidly, safety is stablized, and construction efficiency is high.It is high-quality.The a variety of equipments of adapted, coiling electric motor rheostatic speed regulation meet different holes Requirement of the diameter grouting to promotion speed.Pile frame frame is steady, and small, the extension complete machine working time is impacted to complete machine structure.
Detachable microwave fracturing device, the delivery outlet of wave source are sequentially connected coupling apparatus and wave detector, tune by rectangular waveguide The end of orchestration and transmission cable, transmission cable connects microwave emitter.Microwave radiation is carried out to advance borehole using microwave energy, So that drilling country rock presplitting is achieved the effect that stress release, effectively prevent rock burst, reduces rock strength.
In use, crawler type piling machine is mounted on flat solid place should will be carried out with the piling machine of Telescopic track It is installed after band expansion.Crawler belt expansion should be carried out in no counterweight.When pile monkey is installed, between pile monkey bottom impact block and pile cover There should be certain thickness buffering chock.
Steel-pipe pile uses helix tube, steel member to take 10 pieces of 15cm × 25cm " swords of welding on the outside of steel-pipe pile bottom when processing Thick No. 45 steel plates of 25mm of point " shape, realization reach to greatest extent into rock effect, make the vibrated reinforcement in a bottom, improve rock breaking capacity, carry Rise up into rock degree.
Steel-pipe pile installs detachable microwave fracturing device, the delivery outlet of wave source by rectangular waveguide be sequentially connected coupling apparatus and The end of wave detector, tuner and transmission cable, transmission cable connects microwave emitter.Microwave source is microwave generator in high pressure Frequency electromagnetic waves are sent out under the action of power supply, microwave generator power can be adjusted according to construction site demand, with frequency electromagnetic Compared to the penetration depth with bigger, it is more suitable for live broken rock equipment.Microwave emitter structure is by outer catheter and inner catheter Coaxial arrangement, is arranged dielectric material between outer catheter and inner catheter, is equipped with axial elongated crack on outer catheter, microwave from It is sent out in elongated crack.Wherein dielectric material is the microwave transparencies materials such as ceramics, quartz, organic glass.
After steel-pipe pile welding " sword point " shape steel disc, also needing to weld bridging in advance, bridging side is welded on steel-pipe pile, Bridging lower part is by the way of in advance pin joint, the size and appearance of stringent control welding, effective guarantee bridging, lateral and The welding quality of the key positions such as bracket, bridging can arbitrarily be adjusted according to required subtended angle in 0 °~90 °, weld lower pin It connects position to be determined according to stake position actual conditions, by carrying out the depth of water to stake position in advance, coating is estimated, in conjunction with previous geology steel Pile pile normally enters rock depth, anti-to release lower part pinned locations, to ensure the smooth linking on bridging top.
Crawler type piling machine is connect with " sword point " the shape Novel steel pile pile being welded, after steel-pipe pile connects, starts and carries out Band running gear, upper part Working mechanism use three fulcrum structures, and mobile in place rapid, safety is stablized, and construction efficiency is high, matter It measures.Steel-pipe pile is disposed vertically, slowly squeezes into pile foundation, it is steady that crawler type piling pile erects frame, complete machine structure is impacted it is small, Extend the complete machine working time.
In rock break-off process, can according to geology difference change Piling speed trepanning must be correct, first start slush pump and Turntable can start to creep into, suitable control drilling depth after mud enters drilling certain amount.Using decompression drilling when drilling, to keep away Exempt from or reduce inclined hole, curved hole and reaming phenomenon.In hole drilling deslagging, cone is carried except soil or when stopping boring for some reason, keeps mud and casing top The specific gravity of mud and viscosity of the mutually gentle requirement in face, with avalanche prevention hole.Drilling is strictly constructed by drilling operation method, is avoided as possible Collapse hole, inclined hole, reaming, shrinkage cavity phenomena such as occur.

Claims (6)

1. a kind of underwater anti-rock burst hardened system, including steel-pipe pile(1), it is characterised in that:In steel-pipe pile(1)Front end be provided with " sword point " shape steel disc(2);In steel-pipe pile(1)Side wall be provided with can opening angle bridging support plate(3), bridging support plate (3)One end and steel-pipe pile(1)Flexible connection, the other end can open so that bridging support plate(3)With steel-pipe pile(1)Form V The scissors mouth-shaped of shape.
2. a kind of underwater anti-rock burst hardened system according to claim 1, it is characterised in that:In steel-pipe pile(1)Side wall is set It is equipped with bridging(9), bridging support plate(3)One end pass through pin joint bolt(4)With bridging(9)Connection, bridging when use Support plate(3)With the pin joint bolt(4)For axis rotation and and steel-pipe pile(1)Form the scissors mouth-shaped of V-arrangement.
3. a kind of underwater anti-rock burst hardened system according to claim 1 or 2, it is characterised in that:Bridging support plate(3)With Steel-pipe pile(1)The angular range of formation is at 0 ° ~ 90 °.
4. a kind of underwater anti-rock burst hardened system according to claim 1 or 2, it is characterised in that:" sword point " shape steel disc(2) For thick No. 45 steel plates of 25mm of 15cm × 25cm " sword point " shape, wherein to " sword point " direction along steel-pipe pile(1)It is axial to The height of preceding extension, " sword point " is 25cm.
5. a kind of underwater anti-rock burst hardened system according to claim 1, it is characterised in that:In steel-pipe pile(1)Side wall It is provided with detachable microwave fracturing device, which includes microwave source(5), coupling apparatus and wave detector(6), Tuner(7)And microwave emitter(8);The delivery outlet of microwave source is sequentially connected coupling apparatus and wave detector, tune by rectangular waveguide The end of orchestration and transmission cable, transmission cable connects microwave emitter.
6. a kind of underwater anti-rock burst hardened system according to claim 1, it is characterised in that:Steel-pipe pile(1)Using spiral Pipe.
CN201721904685.8U 2017-12-29 2017-12-29 A kind of underwater anti-rock burst hardened system Active CN208072381U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721904685.8U CN208072381U (en) 2017-12-29 2017-12-29 A kind of underwater anti-rock burst hardened system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721904685.8U CN208072381U (en) 2017-12-29 2017-12-29 A kind of underwater anti-rock burst hardened system

Publications (1)

Publication Number Publication Date
CN208072381U true CN208072381U (en) 2018-11-09

Family

ID=64034539

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721904685.8U Active CN208072381U (en) 2017-12-29 2017-12-29 A kind of underwater anti-rock burst hardened system

Country Status (1)

Country Link
CN (1) CN208072381U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108149677A (en) * 2017-12-29 2018-06-12 中交路桥北方工程有限公司 A kind of underwater anti-rock burst hardened system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108149677A (en) * 2017-12-29 2018-06-12 中交路桥北方工程有限公司 A kind of underwater anti-rock burst hardened system

Similar Documents

Publication Publication Date Title
CN105651132B (en) Directional static blasting construction method for foundation pit stratum and combined guiding device for directional static blasting construction method
CN104420486B (en) A kind of extending shallow foundation and be additionally arranged at the bottom of method and the structure of steel-pipe pile
CN113279622B (en) Method for dismantling thin-wall reinforced concrete chimney through high-notch blasting
CN108149677A (en) A kind of underwater anti-rock burst hardened system
CN208072381U (en) A kind of underwater anti-rock burst hardened system
CN111425207A (en) Inclined shaft construction method and equipment
CN110158609A (en) A kind of mechanization demolition reduction method of reinforced concrete brace in foundation pit
CN113006825A (en) Arch changing construction method for tunnel collapse position
CN216342131U (en) Shield tunnel invades limit stake and handles reinforced structure
JP2015504123A (en) Pile driving device and method for installing pile material assembly
CN110144872B (en) Horizontal dynamic consolidation drainage device and construction method
CN108468334A (en) Sandy pear variety is dry to dig clay dado pore-creating filling pile constructing device
CN202482860U (en) Self-drilling helical anchor rod
CN108005083B (en) Anchor cable processing method within the scope of a kind of foundation pit enclosure structure
CN104047607A (en) Construction method for lifting out shield tunneling machine under condition of envelop enclosure
CN206073827U (en) Draw shaft blocking blasting device
CN105821896A (en) Artificial pile foundation construction hole forming method
CN112627827B (en) Control device for excavating and deslagging of vertical shaft at upper part of existing tunnel
CN109667266B (en) Construction method and device for self-drilling large-diameter tubular pile and special tubular pile matched with same
JP3042002U (en) Underground ground improvement device with co-rotation prevention
CN110424382A (en) Artificial digging pile Buddha's warrior attendant water mill construction method
CN206246064U (en) A kind of churning driven aids in slag dumping easy device
CN111549794A (en) Miniature supporting method and miniature pile supporting structure suitable for soft foundation treatment
JPH07259074A (en) Ground improving method
CN217686901U (en) Hole sealing structure for horizontal cracking hole of dry ice energy-gathering rock-breaking

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant