CN106120812A - A kind of assembled active well structure and construction method - Google Patents
A kind of assembled active well structure and construction method Download PDFInfo
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- CN106120812A CN106120812A CN201610645270.7A CN201610645270A CN106120812A CN 106120812 A CN106120812 A CN 106120812A CN 201610645270 A CN201610645270 A CN 201610645270A CN 106120812 A CN106120812 A CN 106120812A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/20—Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
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- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of assembled active well structure, assembled active well is moulded the soil body by some board members and pile element and is implanted into and assembled stirring or replace the outside self-solidifying stream formed in advance, and fluidised form self-solidifying stream is moulded the soil body and is filled in cavity and the assembled seam of component.Prefabricated components are implanted by erection support and assemble, and are assembled into entirety by horizontal joint, vertical joint, Guan Liang and waist rail connection, cut the earth and precipitation forms internal working volume in well.Active well structure reserves door opening through walls at the borehole wall, and door opening periphery through walls is preset injected hole and seals hole by detachable steel plate.The present invention, without caisson structure sinking construction, overcomes tradition caisson structure and sinks and the open-cut foundation ditch impact on surrounding enviroment, construct workable, and component assemblingization degree is high, and construction operation efficiency is high, and engineering construction is respond well.
Description
Technical field
The present invention relates to technical field of civil engineering, relate in particular to the underground piping such as urban transportation, plumbing and city
A kind of export & import assembled active well structure in pipe gallery field, city and construction method.
Background technology
When city tunnel, piping lane non-excavating construction, the speed of application pair of the export & import active well of shield and pipe jacking equipment
The progress impact of whole engineering is very big, and especially for heavy traffic, densely populated, above ground structure is numerous, underground structure
The complicated urban environment condition complicated with pipeline.
Caisson structure, as end well or a kind of common structure of active well, reaches extensively to apply.This structure is usually
Floor manufacture, sinks to predetermined absolute altitude by fetching earth in well thus forms underground structure.This structure has particular advantages: put ground
Area is little, and excavation fetches earth and need not foundation pit enclosure；Without special professional equipment, easy and simple to handle；Both can be as underground structure
Leg, open caisson inner space also can be made full use of.In recent years, along with construction technology and the continuous innovation of construction machinery,
Open caisson is at home and abroad obtained for and is widely applied and develops.
Traditional caisson structure be by a kind of cut the soil body by the way of sink, rely on dead load or vibrating drag reduction technology
Measure overcomes the frictional resistance between the soil body and the borehole wall and cutting shoe counter-force, slowly sinks, and fetches earth in down-hole, reaches designed elevation, in well
Back cover.In caisson structure sinking watching, in order to drag reduction is by relatively big to the soil disturbance of borehole wall periphery, cause open caisson outer periphery
Environment be a greater impact, especially in dense population areas or downtown, open caisson periphery is embedded with a large amount of pipeline, and distribution is each
Class important building and structures.In soft clay area, working as well sinking, in well, the soil body excavates process, produces the water and soil inside and outside well
When pressure differential is bigger, the water and soil cognition outside well is walked around the cutting shoe of open caisson and is flowed in well, the stratum settlement outside well can be made to increase, cause
Building and pipeline outside well produce damage and even destroy.Simultaneous is cut the earth and Precipitation Process, often leads to open caisson knot
Structure is prominent heavy or tilts, and makes the speed of open caisson construction suffer significant impact.Additionally, current caisson structure many employings cast in situs side
Method is made, and needs maintenance, thus needs the longer construction period.For fall in the stratum of phreatic high, the well of digging process
Water, the impact on well external environment can be bigger.Therefore, use the method for drop shaft sinking construction working well by stratum characteristic, subsoil water
Compose and deposit and the restriction of the condition such as surrounding enviroment protection.Existing caisson structure can be overcome to execute to this end, engineering circles needs searching one badly
Deficiency that work exists, eliminate open caisson construction new construction that surrounding enviroment affects and new method, improve speed of application, shorten and construct
Duration.
In the higher area of level of ground water and soft stratum, the method construction working that the most conventional open-cut foundation ditch is gone along with sb. to guard him
Well, vertical building enclosure of first constructing, then limit excavation, facility in limit construction level supporting construction and mounting shaft.Due to existing
Foundation pit enclosure structure speed of application is relatively slow, has had a strong impact on the construction period of subterranean tunnel or piping lane.The building enclosure of active well,
Pass through for the ease of shield machine, replace conventional reinforcing bar to manufacture building enclosure frequently with glass fiber-reinforced polymer, but cost is higher.Especially
It punches wall from going along with sb. to guard him passing in and out doorway positions through walls, not only have impact on the safety of building enclosure and surrounding enviroment, Er Qieshi
Work process is longer, and this is also a difficult problem anxious to be resolved in subterranean tunnel and piping lane construction.
Summary of the invention
The technical problem to be solved is, overcomes existing caisson structure and open-cut foundation ditch building enclosure construction week
Phase length, the deficiency occurring quicksand to cause inclination of open caisson or sinking difficulty etc. big on surrounding enviroment impact, easy, it is provided that a kind of quick-mounting soon
Allotment of labor makees well construction, it is possible to effectively control member is implanted with shoveling process in well surrounding enviroment adverse effect, it is ensured that on the borehole wall
Punch safe technology and method.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of assembled active well structure, including prefabricated components, described prefabricated components are implanted to self-solidifying stream and mould in soil, are formed
There is gear soil and the shaft wall structure of water stopping function；Reserved dismountable door opening plate through walls on prefabricated components；Prefabricated components end face is pre-
Being embedded with the connecting device connecting Guan Liang, prefabricated components sidewall is embedded with the connecting device connecting waist rail.
Described component is board member；Board member is Prefabricated hollow reinforced concrete member, section configuration be in-line, L-shaped,
Sector or the one of circular arc, the multiple vertical cavity of board member intermediate distribution, in upper and lower connected state after assembling.
Described board member is at depth direction by horizontal joint spreading, and horizontal joint is to wait strong ties joint, including steel plate
Screwed joint and steel bushing bell and spigot joint, steel plate screwed joint is connected by end face epoxy glue and bolt by steel jigsaw and joint end plate
Integral, steel bushing bell and spigot joint is inserted socket joint steel bushing two ends and is connected main muscle and end face epoxy glue and connect into entirety by connecting inserted link；
Described board member connects occlusion by vertical joint in the horizontal direction, and vertical joint is recess type, including broken line type recess and arc
Shape recess, inserts RC pile tube, RC square pile, H profile steel or square steel and is engaged between recess.
Described component is pile element；Pile element section configuration is I-shaped, hollow circular or hollow, rectangular, for Steel section member
Or reinforced concrete precast member, the strong ties joint spreading such as having at depth direction, Steel section member joint is by welding or bolt even
Connecing, reinforced concrete precast member sets ring steel plate steel bushing bell and spigot joint, two ends the socket joint steel bushing connecting main muscle is inserted into socket joint
Epoxy glue smeared by joint, end face side, annular steel bushing plate connects into entirety.
Described self-solidifying stream mould soil for stake position undisturbed soil through churning, stir or hole displacement mix firming agent formed soil cement
Body, the solidification soil body, cement mortar body or self-solidifying slurry body, form continuous wallboard wall body, and there are cylinder occlusion shape or equal thickness in cross section
Rectangle.
Described reserved dismountable door opening shrouding through walls, is to preset the circular or door opening through walls of rectangle in the borehole wall, through walls
Door opening periphery presets injected hole, seals hole by dismountable stiffened steel plates, and is bolted on component installation or removal.
It is embedded with connection Guan Liang, the connecting device of waist rail at component end face and side, can quickly Guan Liang and waist rail be connected
Install, make component form integrated well wall construction, it is ensured that the safety of active well.
The construction method of a kind of assembled active well structure, is characterized in that, comprise the following steps:
(1) at the scene or prefabrication plate or pile element；
(2) form self-solidifying stream in borehole wall position and mould soil:
Multi-shaft stirring or two-wheel milling stirring means is used to form fluidised form Soil-cement body, fluidised form solidified earth stirring body,
Or use grab chute forming to form self-solidifying mud ditch, form continuous wallboard wall body；
(3) mould soil at self-solidifying stream and be implanted into and assemble single width plate or single pile element:
Component hangs location and is located on erection support, is beaten by deadweight, damping device or dither, overcomes resistance
Transfer in soil cement or self-solidifying mud, part of cement soil or mud are cemented out simultaneously；Upper end when prefabricated components
When transferring to erection support height, utilize erection support to fix this prefabricated components, hang in the preceding paragraph component, spell with next section of component
Connect, continue after splicing to hang；Repeat splicing until bottom land, complete the implantation construction of vertical single width plate or single stake；
(4) mould soil at self-solidifying stream and be implanted into and assemble next former or a pile component:
Fixing with erection support location, repeat (2), the method for (3) step, implant next former or a pile；
(5) Guan Liang and waist rail are installed, fetch earth in well and back cover:
Prefabricated components are implanted and after assembling, and the self-solidifying stream removing solidification at component end face moulds soil, connects at top
Refute device and Guan Liang is installed；Guan Liang fetches earth and precipitation after being formed in well, after reaching certain depth, is plugged into dress by component side
Put installation waist rail, support or outer anchor are set simultaneously, then proceed to excavation with precipitation to projected depth, then pouring reinforcement mixes in well
Solidifying soil base plate；
(6) in the preformed hole of borehole wall doorway positions through walls, carry out rotary jet grouting, reinforce the soil layer of door opening neighboring through walls
With closing subsoil water；
(7) dismantle door opening shrouding through walls, open door opening through walls reserved in the borehole wall；In well, shield is installed or push pipe sets
Standby, the construction of tunnel or pipe culvert is carried out by door opening through walls.
Described erection support by fixing girder steel, clamp system, jack, bearing dolly form, prefabricated components are from clamping machine
Transferring in structure, fixing girder steel supports clamp system, and jack is supported on fixing girder steel both sides, and bearing dolly is used for accepting very heavy
Top.When implanting with buck plate component or pile element, adjustment means subsidence velocity, position and perpendicularity, adjust component assembly precision
And prevent component from tilting and prominent heavy.
Described damping device is positioned at prefabricated components cavity, is made up of drilling rod and nozzle, when penetration resistance is bigger, logical
Crossing and transfer damping device in prefabricated components, the bottom position at the borehole wall sprays gases at high pressure, and the self-solidifying stream of agitating member bottom is moulded
Soil, the cavity being allowed to be smoothly through prefabricated component flows up discharge, so that the smooth sinking of component puts in place.
Beneficial effect: the present invention, by stirring in advance or grooving, fills self-solidifying stream and moulds soil, by prefabricated component in groove
Be implanted in groove, by level and, come of age beam and waist rail of vertical joint form active well integrated well wall construction, overcome tradition heavy
Well construction sinks and the open-cut foundation ditch impact on surrounding enviroment, and site operation is workable, and component assemblingization degree is high, on an empty stomach
The component effectively save engineering material of energy, construction operation efficiency is high, has good economy and engineering construction effect.
Accompanying drawing explanation
The invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
Fig. 1 is assembled active well rectangular configuration floor map of the present invention；
Fig. 2 is assembled active well circular configuration floor map of the present invention；
Fig. 3 is the prefabricated component vertical joint schematic diagram of assembled active well of the present invention；
Fig. 4 is the prefabricated pile component vertical joint schematic diagram of assembled active well of the present invention；
Fig. 5 is that assembled active well prefabricated pile member planar of the present invention arranges schematic diagram；
Fig. 6 is assembled active well prefabricated component horizontal joint schematic diagram of the present invention；
Fig. 7 is assembled active well of the present invention door opening through walls elevational schematic view；
Fig. 8 is assembled active well of the present invention door opening through walls generalized section；
Fig. 9 is assembled active well erection support of the present invention and damping device schematic diagram.
In figure: board member 1, pile element 2, standard component 3, customization part 4, cylinder occlusion shape self-solidifying stream mould soil 5, equal thickness rectangle
Self-solidifying stream moulds soil 6, vertical joint 7, horizontal joint 8, hollow circular stake 9, hollow, rectangular stake 10, I-shaped stake 11, cavity 12, folding
Line style recess joint 13, arc-shaped notch joint 14, RC pipe pile joint 15, RC square pile joint 16, H profile steel joint stake 17, square steel
Joint 18, connecting device 19, joint steel jigsaw 20, joint end plate 21, bolt 22, epoxy glue 23, built-in connection 24, door through walls
Hole 25, steel bushing 26 of putting more energy in hole week, envelope hole steel plate 27, channel-section steel 28 of putting more energy into, preset injected hole 29, erection support 30, fixing girder steel 31,
Jack 32, bearing dolly 33, damping device 34, drilling rod 35, nozzle 36, clamp system 37, main muscle 38, socket joint steel bushing 39, company
Patch bar 40, steel plate screwed joint 42, steel bushing bell and spigot joint 43, annular steel bushing plate 44, hinge 45.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below knot
Conjunction is specifically illustrating, and the present invention is expanded on further.
See Fig. 1 to Fig. 8.
The shaft wall structure of assembled active well structure is assembled by board member 1 and pile element 2, is implanted in and stirs shape in advance
The cylinder occlusion shape self-solidifying streams such as the self-solidifying mud of the fluidised form soil cement become or grab chute forming displacement mould soil 5 or equal thickness rectangle self-solidifying
Stream is moulded in soil 6, including: assembled active well structure has rectangle assembled active well structure and circular assembled active well structure etc.
Plane horizontal layout form (see Fig. 1 and Fig. 2)；Prefabricated components are made up of standard component 3 and customization part 4, centre have multiple vertically
Cavity 12, vertical empty 12 in connecting up and down, component end face and the pre-buried connecting device of sidewall 19 and built-in connection 24 and Guan Liang and
Waist rail is connected；Prefabricated component 1 is spliced by horizontal joint 8 and vertical joint 7, and the horizontal joint 8 of prefabricated component 1 is wrapped
Including steel plate screwed joint 42 and steel bushing bell and spigot joint 43, steel plate screwed joint 42 is passed through end face by steel jigsaw 20 and joint end plate 21
Epoxy glue 23 and bolt 22 connect into entirety, and steel bushing bell and spigot joint 43 is inserted socket joint steel bushing 39 two ends connection master by connecting inserted link 40
Muscle 38 and end face epoxy glue 23 connect into entirety, and the vertical joint 7 section packing line style recess 13 of prefabricated component 1 and arc are recessed
Mouth 14, inserts RC pile tube 15, RC square pile 16, H profile steel 17 or square steel 18 and is engaged between recess；Prefabricated pile component sets annulus
Steel plate steel bushing bell and spigot joint, is connected by two ends that the socket joint steel bushing 39 of main muscle 38 is inserted into bell and spigot joint 43, ring is smeared in end face side
Oxygen glue 23, annular steel bushing plate 44 connect into entirety, and annular steel bushing plate 44 is passed through hinge 45 He by two blocks of semicircle steel bushing plates
Bolt 22 forms annulus；Prefabricated components carry out assembled by erection support 30 and implant construction, and bearing 30 is by fixing girder steel 31, thousand
Jin top 32, bearing dolly 33 and clamp system 37 are constituted；Circular or rectangle door opening through walls 25 preset by the borehole wall, and door opening 25 through walls passes through
Steel bushing 26 of putting more energy in hole week is strengthened, and hole week presets injected hole 29, and by dismountable stiffened steel plates 27 envelope hole, steel plate 27 two sides are welded
Connecing channel-section steel 28 of putting more energy into, steel plate 27 is connected with prefabricated components by spiral shell 22；When component penetration resistance is bigger, at prefabricated components cavity
Inside transferring damping device 34, damping device 34 sprays pressure-air by drilling rod 35 and nozzle 36.
In embodiment, Specific construction step is as follows:
(1) at the construction field (site) or prefabrication reinforced concrete member.
(2) form self-solidifying stream in borehole wall position and mould soil: use multi-shaft stirring or two-wheel milling to stir at the borehole wall and partition wall position
Method of mixing forms fluidised form Soil-cement body, fluidised form solidified earth stirring body, or uses grab chute forming to form self-solidifying mud ditch.
(3) mould soil at self-solidifying stream and be implanted into and assemble single width plate or single pile element: implant and assemble prefabricated components: be prefabricated
Component hangs location, is beaten overcome resistance to transfer in soil cement or self-solidifying mud by deadweight, drag reduction or dither, will simultaneously
Part of cement soil or mud cement out；When the upper end of prefabricated components is transferred to fluting end face, solid by erection support
These prefabricated components fixed, are hung in another prefabricated components, are spliced by horizontal joint with next section, continue to hang after splicing；
Repeating splicing until bottom land, the assembling completing a vertical width borehole wall or partition wall is constructed with implanting.
(4) mould soil at self-solidifying stream and be implanted into and assemble next former or a pile component: be fixing with erection support location, weight
Multiple (2), the method for (3) step, implant next former or a pile.
(5) Guan Liang and waist rail are installed, fetch earth in well and back cover: prefabricated components are implanted and after assembling, at component end face
The self-solidifying stream removing solidification moulds soil, installs Guan Liang at top connecting device；Guan Liang fetches earth and precipitation after being formed in well, when
After reaching certain depth, by component side connecting device install waist rail, simultaneously arrange support or outer anchor, then proceed to excavate with
Precipitation is to projected depth, then pouring reinforcement concrete base plate in well.
(6) in the preformed hole of borehole wall doorway positions through walls, carry out rotary jet grouting, reinforce the soil layer of door opening neighboring through walls
With closing subsoil water；
(7) dismantle door opening shrouding through walls, open door opening through walls reserved in the borehole wall；In well, shield is installed or push pipe sets
Standby, the construction of tunnel or pipe culvert is carried out by door opening through walls.
The present invention, by stirring in advance or grooving, fills self-solidifying stream and moulds soil, prefabricated component is implanted to groove in groove
In, by level and, come of age beam and waist rail of vertical joint form active well integrated well wall construction, overcome under tradition caisson structure
Sinking and the open-cut foundation ditch impact on surrounding enviroment, site operation is workable, and component assemblingization degree is high, and cavity member can have
Effect saves engineering material, and construction operation efficiency is high, has good economy and engineering construction effect.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of the industry
Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description
The principle of invention, the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these become
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and
Equivalent defines.
Claims (9)
1. an assembled active well structure, is characterized in that, including prefabricated components, described prefabricated components are implanted to self-solidifying stream and mould soil
In, formed and there is gear soil and the shaft wall structure of water stopping function；Reserved dismountable door opening plate through walls on prefabricated components；Prefabricated components
End face is embedded with the connecting device connecting Guan Liang, and prefabricated components sidewall is embedded with the connecting device connecting waist rail.
A kind of assembled active well structure the most according to claim 1, is characterized in that, described component is board member；Plate structure
Part is Prefabricated hollow reinforced concrete member, and section configuration is the one of in-line, L-shaped, sector or circular arc, in board member
Between be distributed multiple vertical cavity, in upper and lower connected state after assembling.
A kind of assembled active well structure the most according to claim 2, is characterized in that, described board member leads at depth direction
Crossing horizontal joint spreading, horizontal joint is to wait strong ties joint, including steel plate screwed joint and steel bushing bell and spigot joint, steel plate bolt
Joint is connected into entirety by steel jigsaw and joint end plate by end face epoxy glue and bolt, and steel bushing bell and spigot joint is inserted by connecting inserted link
Enter the socket joint steel bushing two ends main muscle of connection and end face epoxy glue connects into entirety；Described board member is in the horizontal direction by vertical joint
Connect occlusion, vertical joint is recess type, including broken line type recess and arc-shaped notch, between recess insert RC pile tube, RC square pile,
H profile steel or square steel are engaged.
A kind of assembled active well structure the most according to claim 1, is characterized in that, described component is pile element；Stake structure
Part section configuration is I-shaped, hollow circular or hollow, rectangular, for Steel section member or reinforced concrete precast member, at depth direction
The strong ties joint spreading such as having, Steel section member joint is connected by welding or bolt, and reinforced concrete precast member sets ring steel plate
Steel bushing bell and spigot joint, is connected by two ends that the socket joint steel bushing of main muscle is inserted into bell and spigot joint, epoxy glue, annular are smeared in end face side
Steel bushing plate connects into entirety.
A kind of assembled active well structure the most according to claim 1, is characterized in that, it is former for stake position that described self-solidifying stream moulds soil
Shape soil through churning, stir or displacement of holing mixes soil-cement body that firming agent formed, the solidification soil body, cement mortar body or self-solidifying mud
Slurry；Self-solidifying stream is moulded soil and is formed continuous wallboard wall body, and there are cylinder occlusion shape or equal thickness rectangle in its cross section.
A kind of assembled active well structure the most according to claim 1, is characterized in that, described door opening plate through walls, is at well
Presetting the circular or door opening through walls of rectangle in wall, door opening periphery through walls presets injected hole, seals hole by dismountable stiffened steel plates,
And it is bolted on component installation or removal.
7. a construction method for assembled active well structure, is characterized in that, comprises the following steps:
(1) at the scene or prefabrication plate or pile element；
(2) form self-solidifying stream in borehole wall position and mould soil:
Use multi-shaft stirring or two-wheel milling stirring means to form fluidised form Soil-cement body, fluidised form solidified earth stirring body, or adopt
Form self-solidifying mud ditch with grab chute forming, form continuous wallboard wall body；
(3) mould soil at self-solidifying stream and be implanted into and assemble single width plate or single pile element:
Component hangs location and is located on erection support, is beaten by deadweight, damping device or dither, overcomes resistance to transfer
In soil cement or self-solidifying mud, part of cement soil or mud are cemented out simultaneously；When the upper end of prefabricated components is transferred
During to erection support height, utilize erection support to fix this prefabricated components, hang in the preceding paragraph component, splice with next section of component,
Continue after splicing to hang；Repeat splicing until bottom land, complete the implantation construction of vertical single width plate or single stake；
(4) mould soil at self-solidifying stream and be implanted into and assemble next former or a pile component:
Fixing with erection support location, repeat (2), the method for (3) step, implant next former or a pile；
(5) Guan Liang and waist rail are installed, fetch earth in well and back cover:
Prefabricated components are implanted and after assembling, and the self-solidifying stream removing solidification at component end face moulds soil, plug into dress at top
Put installation Guan Liang；Guan Liang fetches earth and precipitation after being formed in well, after reaching certain depth, is pacified by component side connecting device
Dress waist rail, arranges support or outer anchor simultaneously, then proceedes to excavation with precipitation to projected depth, then pouring reinforcement concrete in well
Base plate；
(6) in the preformed hole of borehole wall doorway positions through walls, carry out rotary jet grouting, reinforce soil layer and the envelope of door opening neighboring through walls
Close subsoil water；
(7) dismantle door opening shrouding through walls, open door opening through walls reserved in the borehole wall；Shield or pipe jacking equipment are installed in well, logical
Cross door opening through walls and carry out the construction of tunnel or pipe culvert.
The construction method of a kind of assembled active well structure the most according to claim 7, is characterized in that, described erection support
It is made up of fixing girder steel, clamp system, jack, bearing dolly；Prefabricated components are transferred from clamp system, and fixing girder steel supports
Clamp system, jack is supported on fixing girder steel both sides, and bearing dolly is used for accepting jack.
The construction method of a kind of assembled active well structure the most according to claim 7, is characterized in that, described drag reduction dress
Setting in prefabricated components cavity, it is made up of drilling rod and nozzle, when penetration resistance is bigger, by prefabricated components are transferred drag reduction
Device, the bottom position at the borehole wall sprays gases at high pressure, and the self-solidifying stream of agitating member bottom moulds soil, is allowed to be smoothly through prefabricated
The cavity of part flows up discharge, so that the smooth sinking of component puts in place.
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| CN201610645270.7A CN106120812A (en) | 2016-08-09 | 2016-08-09 | A kind of assembled active well structure and construction method |
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| CN108411905A (en) * | 2018-03-12 | 2018-08-17 | 中国电建集团华东勘测设计研究院有限公司 | Mitigate the method that pile driving construction influences surrounding enviroment |
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| CN110485473A (en) * | 2019-08-08 | 2019-11-22 | 郑州安源工程技术有限公司 | Rectangle active well and its construction method can be recycled in a kind of assembled that presetting detachable door opening |
| CN113833122A (en) * | 2021-09-26 | 2021-12-24 | 谢国林 | Connecting mode of building assembled by straw building materials |
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| CN107083770A (en) * | 2017-03-30 | 2017-08-22 | 浙江理工大学 | Transversal reinforcement and grouting underpins active well and preparation method |
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| CN108547619A (en) * | 2018-05-16 | 2018-09-18 | 北京中地盾构工程技术研究院有限公司 | Underground shaft assembles recovery type prestressing force support equipment |
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| CN108798700A (en) * | 2018-05-21 | 2018-11-13 | 金川集团股份有限公司 | A kind of connector and its application for reserving shaft steel casing vacation tunnel |
| CN108798700B (en) * | 2018-05-21 | 2023-12-08 | 金川集团股份有限公司 | Joint for reserving steel well wall false tunnel and application thereof |
| CN108867540B (en) * | 2018-06-25 | 2020-09-11 | 广东省建筑设计研究院 | Construction method of underground overlapped double-pipeline common well structure |
| CN108867540A (en) * | 2018-06-25 | 2018-11-23 | 广东省建筑设计研究院 | A kind of underground superposed type twin flue is total to the construction method of well construction |
| CN109826224A (en) * | 2019-03-08 | 2019-05-31 | 中国能源建设集团安徽省电力设计院有限公司 | A kind of sinking well protection wall digging foundation and its construction method for desert region iron tower of power transmission line |
| CN110485473A (en) * | 2019-08-08 | 2019-11-22 | 郑州安源工程技术有限公司 | Rectangle active well and its construction method can be recycled in a kind of assembled that presetting detachable door opening |
| CN110485467B (en) * | 2019-08-08 | 2021-05-04 | 郑州安源工程技术有限公司 | Assembled recyclable rectangular working well with preset detachable door opening and sliding type rear wall and construction method thereof |
| CN110485473B (en) * | 2019-08-08 | 2021-05-28 | 郑州安源工程技术有限公司 | Assembly type recyclable rectangular working well with preset detachable door opening and construction method thereof |
| CN110485466A (en) * | 2019-08-08 | 2019-11-22 | 南方工程检测修复技术研究院 | Circular work hole and its construction method can be recycled in a kind of assembled of reserved door opening |
| CN110485467A (en) * | 2019-08-08 | 2019-11-22 | 郑州安源工程技术有限公司 | It is a kind of to preset the recyclable rectangle active well of detachable door opening, the sliding rear assembled by wall and its construction method |
| CN113833122A (en) * | 2021-09-26 | 2021-12-24 | 谢国林 | Connecting mode of building assembled by straw building materials |
| CN114888473A (en) * | 2022-04-27 | 2022-08-12 | 江苏东浦管桩有限公司 | Intelligent welding device for prestressed concrete pipe pile connection and welding method thereof |
| CN116180765A (en) * | 2023-04-26 | 2023-05-30 | 中建交通建设集团有限公司 | Assembled steel plate-pile combined enclosing and protecting structure and construction method |
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