CN107386273A - A kind of shield launching receives and uses novel compositions H types stake and its construction technology - Google Patents

A kind of shield launching receives and uses novel compositions H types stake and its construction technology Download PDF

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Publication number
CN107386273A
CN107386273A CN201710686869.XA CN201710686869A CN107386273A CN 107386273 A CN107386273 A CN 107386273A CN 201710686869 A CN201710686869 A CN 201710686869A CN 107386273 A CN107386273 A CN 107386273A
Authority
CN
China
Prior art keywords
pile
type
shield
machinable
type groove
Prior art date
Application number
CN201710686869.XA
Other languages
Chinese (zh)
Inventor
李树忱
张靖宇
赵世森
李术才
陈健
王鹏程
王承震
张哲�
Original Assignee
山东大学
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 山东大学 filed Critical 山东大学
Priority to CN201710686869.XA priority Critical patent/CN107386273A/en
Publication of CN107386273A publication Critical patent/CN107386273A/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/34Concrete or concrete-like piles cast in position ; Apparatus for making same
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining

Abstract

A kind of shield launching receives and uses novel compositions H types stake and its construction technology, include the machinable pile body of a H type, H-type groove steel is equipped with the both ends of the machinable pile body of described H types, the web of described H-type groove steel is connected with the web of machinable pile body by stationary fixture I, and the edge of a wing of H-type groove steel is connected with the edge of a wing of machinable pile body by stationary fixture II.With the H-type groove steel and machinable pile body come supporting cement-soil-stirred pile, instead of the original continuous underground wall structure of vertical shaft, wherein machinable pile body is attached to replace hole part H-type groove steel with the stationary fixture and the H-type groove steel of its surrounding.For machinable pile body in centre position, both sides are H-type groove steel, and the two is fixed with stationary fixture.

Description

A kind of shield launching receives and uses novel compositions H types stake and its construction technology

Technical field

This technology belongs to shield tunnel construction technology field, and in particular to shield launching pierces when receiving, drills out tunnel With the steel concrete mixing pile of H type groove steel, partly instead of the machinable pile body of H-type groove steel, the geometrical clamp of fixed H-type groove steel Tool and its construction technology.

Background technology

Shield method is a kind of mechanized construction method in constructing tunnel, is when being tunneled using Shield-type machinery in ground, Soil excavation is carried out with cutterhead in front of excavation face, machinery is transported outside hole by being unearthed, and by jack in rear pressurization jacking, and is spelled Precast concrete section of jurisdiction is filled, forms a kind of mechanized construction method of tunnel structure.

Before shield construction and when shield receives, in order to allow the shield machine of tunnel excavation can be a rational position Place and receive, generally require to do a vertical shaft, shield machine is pierced or drilled out by cutterhead first vertical shaft assigned position, excavates out Into tunnel hole or drill out tunnel, be easy to originating and receiving for Shield-type machinery.In traditional shield launching receives technique, Vertical shaft is generally cement-soil-stirred pile structure.When Shield-type machinery pierces, often it is required for manually abolishing cement-soil-stirred pile The fixation hole of structure, if cement-soil-stirred pile is poured using armored concrete, the time lengthening manually abolished can be made, increased Difficulty of construction and labour, the time that shield machine enters hole can be influenceed;If cement-soil-stirred pile is all poured using plain concrete, It then can not effectively play a part of gib hole, the outer soil body of well is not able to support oneself, cause surface collapse, influence nearby The safe handling of underground pipelines and above ground structure, as situation is serious, then underground is caused not construct, or even cause cave in accident.

The content of the invention

In order to overcome the shortcomings of original technology, a kind of shield launching reception novel compositions H type pile constructing process is devised. The H types stake of this novel compositions is made up of machinable pile body, stationary fixture and H-type groove steel, with the H-type groove steel and machinable pile body Carry out supporting cement-soil-stirred pile, instead of the original continuous underground wall structure of vertical shaft, wherein machinable pile body replaces hole part H Type groove steel, and be attached with the stationary fixture and the H-type groove steel of its surrounding.For machinable pile body in centre position, both sides are H Type groove steel, the two is fixed with stationary fixture.

Specifically, the technical solution adopted by the present invention is as follows:

A kind of shield launching receives and uses novel compositions H type stakes, includes the machinable pile body of a H type, in described H types The both ends of machinable pile body are equipped with H-type groove steel, and the web of described H-type groove steel passes through geometrical clamp with the web of machinable pile body Tool I is connected, and the edge of a wing of H-type groove steel is connected with the edge of a wing of machinable pile body by stationary fixture II.

Further, described stationary fixture I is included before being arranged on H-type groove steel and machinable pile body web link position Latter two thickeies steel plate, and former and later two are bolted between thickening steel plate;Part bolt thickeies steel plate, H-type groove through preceding The web of steel and after thicken steel plate;Part bolt through it is preceding thicken steel plate, machinable pile body web and after thicken steel plate.

Further, described stationary fixture II includes being arranged on H-type groove steel and machinable pile body edge of a wing link position It is upper to thicken steel plate and the lower bloom for thickening steel plate and being arranged between thickening steel plate and lower thickening steel plate, upper and lower two thickenings It is bolted between steel plate;Part bolt thickeies steel plate, the edge of a wing of H-type groove steel, bloom and lower thickening steel plate through upper; Part bolt thickeies steel plate, the machinable pile body edge of a wing and lower thickening steel plate through upper.

Further, described bloom is welded to H-type groove steel and machinable pile body junction, balance H-type groove steel with can It is different to cut the upper and lower sides thickness of pile body, in order to clamping.

Further, described thickening steel plate leaves prepared screw-bolt hole corresponding with the machinable pile body and H-type groove steel, Machinable pile body and H-type groove steel are fixed together with bolt.

Further, the machinable pile body is a kind of organic non-metal with the compound New Type of GFRP material of inorganic non-metallic Material.Its tension, compression strength is higher than reinforced steel bar strength, meets hole supporting requirement, and have good machinability.It is described can Cutting pile body leaves prepared screw-bolt hole, depending on prepared screw-bolt hole quantity is because of shield tunnel construction situation, with the stationary fixture and Bolt is fixed.Outward appearance of the present invention is identical with the H-type groove steel, and length is decided by depending on the length of the diameter of cutter head of shield machine.Institute The machinable pile body position corresponding position that cutterhead is cut when being pierced with shield machine, drilling out vertical shaft is stated, utilizes cutting for this material Cutting property, Optimizing construction, reduce risks.

Further, depending on the particular type of the H-type groove steel is because of shield tunnel construction situation, in H-type groove steel with that can cut Cut the junction of pile body, also prepared screw-bolt hole, it is corresponding with the machinable pile body position size, so as to make the H-type groove steel with Machinable pile body is fixed.The length of the H-type groove steel and machinable pile body length summation and novel compositions H type stake total length phases Together.

The method constructed using described novel compositions H type stakes, it is characterised in that

During shield launching, the soil body of starting end head is first reinforced, pour machinable pile body and H-type groove steel combination Cement-soil-stirred pile, shield launching pedestal will be installed in assigned position, shield machine is proceeded by after pedestal installation and is gone into the well peace Dress and debugging, and to hole waterproof sealing inspection, the counter-force facility of Shield-type machinery is installed, portal is carried out and breaks into Shield-type machinery knife Disk starts to abolish portal machinable pile body part, until Shield-type machinery is broken in the soil body completely;

Before shield machine receives, the cement-soil-stirred pile of machinable pile body and the combination of H-type groove steel is equally poured as reception Well, the portal ground type for receiving well is reinforced, shield position is carried out checking measurement and shield support is installed, and to received well Reaction frame is installed, portal is carried out and abolishes, same Shield-type machinery cutterhead starts to abolish portal machinable pile body part, until whole shield Structure machinery breaks out the soil body.

The invention construction technology is by armored concrete in the starting well of traditional handicraft and received well cement-soil-stirred pile Structure is changed to the cement-soil-stirred pile structure of H-type groove steel and machinable pile body composition, and supporting intensity has carried than diaphram wall Height, and the machinability of machinable pile body is utilized, make shield machine be easier to abolish hole, reduce the artificial risk for abolishing reinforcing bar, The degree of wear to Shield-type machinery cutterhead is also reduced, the efficiency of construction is improved, saves construction cost.

Advantages of the present invention has:

(1) machinable pile body tension of the present invention, compression strength are higher than reinforced steel bar strength, ensure that the supporting energy of vertical shaft Power.

(2) machinable pile body of the present invention is than ordinary reinforced concrete Cutting free, into powdered after cutting, can guarantee that It is small to cutterhead abrasiveness during inlet and outlet cave.

(3) present invention can accelerate shield machine and enter the portal time, ensure that the safety of constructing tunnel, significantly reduce engineering Cost.

(4) present invention, which effectively reduces, manually abolishes the construction risk that cement-soil-stirred pile reinforcing bar may be brought.

Brief description of the drawings

The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.

Fig. 1 is machinable pile body and H-type groove steel supporting schematic diagram;

Fig. 2 is the present invention and stationary fixture front view;

Fig. 3 is the present invention and and stationary fixture left view;

Fig. 4 is that shield machine enters portal construction schematic diagram;

Fig. 5 is that shield machine goes out portal construction schematic diagram;

In figure:1-machinable pile body, 2-bloom, 3-prepared screw-bolt hole, 4-fixing bolt, 5-H-type groove steel, 6-pre- Stay bolt hole, 7-cutterhead, 8-reaction frame, 9-steel plate A, 10-steel plate B.

Embodiment

It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.

It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.

With reference to Shield-type machinery disengaging portal embodiment, the present invention will be further described.

As shown in Figure 1, 2, shield launching receives and uses novel compositions H type stakes, includes the machinable pile body of a H type, in institute The both ends of the machinable pile body for the H types stated are equipped with H-type groove steel, the web of described H-type groove steel and the web of machinable pile body It is connected by stationary fixture I, the edge of a wing of H-type groove steel is connected with the edge of a wing of machinable pile body by stationary fixture II.

Stationary fixture I includes former and later two thickening steel plates for being arranged on H-type groove steel and machinable pile body web link position, Former and later two are bolted between thickening steel plate;Part bolt through it is preceding thicken steel plate, H-type groove steel web and it is rear plus Steel plate;Part bolt through it is preceding thicken steel plate, machinable pile body web and after thicken steel plate.

Stationary fixture II include be arranged on H-type groove steel and machinable pile body edge of a wing link position upper thickening steel plate and it is lower plus Steel plate and be arranged on thicken steel plate and it is lower thicken steel plate between bloom, it is upper and lower two thicken steel plate between pass through bolt Connection;Part bolt thickeies steel plate, the edge of a wing of H-type groove steel, bloom and lower thickening steel plate through upper;Part bolt adds through upper Steel plate, the machinable pile body edge of a wing and lower thickening steel plate.

Bloom is welded to H-type groove steel and machinable pile body junction, the upper and lower sides of balance H-type groove steel and machinable pile body Thickness is different, in order to clamping.

Thicken steel plate and leave prepared screw-bolt hole corresponding with the machinable pile body and H-type groove steel, with bolt machinable Pile body and H-type groove steel are fixed together.

Machinable pile body is a kind of organic non-metal with the compound New Type of GFRP material of inorganic non-metallic.Its tension, resist Compressive Strength is higher than reinforced steel bar strength, meets hole supporting requirement, and have good machinability.The machinable pile body leaves pre- Bolt hole is stayed, depending on prepared screw-bolt hole quantity is because of shield tunnel construction situation, is fixed with the stationary fixture and bolt.The present invention Outward appearance is identical with the H-type groove steel, and length is decided by depending on the length of the diameter of cutter head of shield machine.The machinable pile body position The corresponding position that cutterhead is cut when being pierced with shield machine, drilling out vertical shaft, using the machinability of this material, Optimizing construction, subtracts Few risk.

Further, depending on the particular type of the H-type groove steel is because of shield tunnel construction situation, in H-type groove steel with that can cut Cut the junction of pile body, also prepared screw-bolt hole, it is corresponding with the machinable pile body position size, so as to make the H-type groove steel with Machinable pile body is fixed.The length of the H-type groove steel and machinable pile body length summation and novel compositions H type stake total length phases Together.

The invention construction technology is by armored concrete in the starting well of traditional handicraft and received well cement-soil-stirred pile Structure is changed to the cement-soil-stirred pile structure of H-type groove steel and machinable pile body composition, and supporting intensity has carried than diaphram wall Height, and the machinability of machinable pile body is utilized, make shield machine be easier to abolish hole, reduce the artificial risk for abolishing reinforcing bar, The degree of wear to Shield-type machinery cutterhead is also reduced, the efficiency of construction is improved, saves construction cost.

Shield-type machinery passes in and out portal embodiment, and specific technique is as follows:

Such as Fig. 4,5, during shield launching, the soil body of starting end head is first reinforced, and has poured machinable pile body 1 and H types The cement-soil-stirred pile that channel-section steel 5 combines, shield launching pedestal will be installed in assigned position, shield is proceeded by after pedestal installation Structure machine is gone into the well installation and debugging, and to hole waterproof sealing inspection, installs the counter-force facility of Shield-type machinery, carry out portal break into, Shield-type machinery cutterhead starts to abolish the part of portal machinable pile body 1, until Shield-type machinery is broken in the soil body completely.

Shield machine equally pours the cement-soil-stirred pile that machinable pile body 1 and H-type groove steel 5 combine and is used as reception before receiving Well, also the portal ground type for receiving well is reinforced, shield position is carried out checking measurement and shield support is installed, and is docked Well installation reaction frame 8 to be received, portal is carried out and abolishes, same Shield-type machinery cutterhead starts to abolish the part of portal machinable pile body 1, until Whole Shield-type machinery breaks out the soil body.

Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, model not is protected to the present invention The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not Need to pay various modifications or deformation that creative work can make still within protection scope of the present invention.

Claims (10)

1. a kind of shield launching receives and uses novel compositions H type stakes, it is characterised in that includes the machinable pile body of a H type, in institute The both ends of the machinable pile body for the H types stated are equipped with H-type groove steel, the web of described H-type groove steel and the web of machinable pile body It is connected by stationary fixture I, the edge of a wing of H-type groove steel is connected with the edge of a wing of machinable pile body by stationary fixture II.
2. a kind of shield launching as claimed in claim 1, which receives, uses novel compositions H type stakes, it is characterised in that described fixation Fixture I includes former and later two thickening steel plates for being arranged on H-type groove steel and machinable pile body web link position, former and later two thickenings It is bolted between steel plate;Part bolt through it is preceding thicken steel plate, H-type groove steel web and after thicken steel plate;Part Bolt through it is preceding thicken steel plate, machinable pile body web and after thicken steel plate.
3. a kind of shield launching as claimed in claim 2, which receives, uses novel compositions H type stakes, it is characterised in that described fixation Fixture II includes the upper thickening steel plate for being arranged on H-type groove steel and machinable pile body edge of a wing link position and lower thickening steel plate and set Put and be bolted between upper thickening steel plate and the lower bloom thickeied between steel plate, upper and lower two thickenings steel plate;Part spiral shell Bolt thickeies steel plate, the edge of a wing of H-type groove steel, bloom and lower thickening steel plate through upper;Part bolt passes through upper thickening steel plate, can cut Cut the pile body edge of a wing and lower thickening steel plate.
4. a kind of shield launching as claimed in claim 3, which receives, uses novel compositions H type stakes, it is characterised in that described bloom It is welded to H-type groove steel and machinable pile body junction.
5. a kind of shield launching as claimed in claim 4, which receives, uses novel compositions H type stakes, it is characterised in that described thickening Steel plate leaves prepared screw-bolt hole corresponding with the machinable pile body and H-type groove steel, with bolt machinable pile body and H-type groove steel Fix together.
6. a kind of shield launching as claimed in claim 1, which receives, uses novel compositions H type stakes, it is characterised in that the machinable Pile body is a kind of organic non-metal with the compound New Type of GFRP material of inorganic non-metallic.
7. a kind of shield launching as claimed in claim 6, which receives, uses novel compositions H type stakes, it is characterised in that the machinable Pile body leaves prepared screw-bolt hole, depending on prepared screw-bolt hole quantity is because of shield tunnel construction situation;The length of the machinable pile body of H types It is decided by depending on the length of the diameter of cutter head of shield machine.
8. a kind of shield launching as claimed in claim 6, which receives, uses novel compositions H type stakes, it is characterised in that the machinable The pile body position corresponding position that cutterhead is cut when being pierced with shield machine, drilling out vertical shaft.
9. a kind of shield launching as claimed in claim 1, which receives, uses novel compositions H type stakes, it is characterised in that the H-type groove steel Particular type because of shield tunnel construction situation depending on, in the junction of H-type groove steel and machinable pile body, also prepared screw-bolt hole, It is corresponding with the machinable pile body position size.
10. the method constructed using any described novel compositions H type stakes of claim 1-9, it is characterised in that
During shield launching, the soil body of starting end head is first reinforced, and pours machinable pile body and the coagulation of H-type groove steel combination Native mixing pile, will assigned position install shield launching pedestal, proceeded by after pedestal installation shield machine go into the well installation and Debugging, and to hole waterproof sealing inspection, the counter-force facility of Shield-type machinery is installed, portal is carried out and breaks into Shield-type machinery cutterhead is opened Beginning abolishes portal machinable pile body part, until Shield-type machinery is broken in the soil body completely;
Before shield machine receives, the cement-soil-stirred pile of machinable pile body and the combination of H-type groove steel is equally poured as received well, it is right The portal ground type for receiving well is reinforced, and shield position is carried out checking measurement and installs shield support, and received well is installed Reaction frame, carry out portal and abolish, same Shield-type machinery cutterhead starts to abolish portal machinable pile body part, until whole shield machine Tool breaks out the soil body.
CN201710686869.XA 2017-08-11 2017-08-11 A kind of shield launching receives and uses novel compositions H types stake and its construction technology CN107386273A (en)

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CN201710686869.XA CN107386273A (en) 2017-08-11 2017-08-11 A kind of shield launching receives and uses novel compositions H types stake and its construction technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710686869.XA CN107386273A (en) 2017-08-11 2017-08-11 A kind of shield launching receives and uses novel compositions H types stake and its construction technology

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108086292A (en) * 2017-11-30 2018-05-29 中国二十冶集团有限公司 The control method of jacking construction after Reinforcement with Cement-mixed Piles
CN111499336A (en) * 2020-04-30 2020-08-07 山东大学 Cuttable material for reinforcing tunnel portal

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101725356A (en) * 2008-10-15 2010-06-09 深圳市海川实业股份有限公司 Space enclosing structure of underground building shaft and shield machine cutting construction method thereof
CN102011596A (en) * 2010-11-29 2011-04-13 中铁三局集团有限公司 Shield originating or receiving end tunnel portal maintenance process
CN104389619A (en) * 2014-10-08 2015-03-04 海南大学 Shield excess hole construction method
CN204663550U (en) * 2015-04-30 2015-09-23 中铁二十二局集团第一工程有限公司 Grid is gone along with sb. to guard him in the interval engineering glass fiber-reinforced polymer construction of the shield structure that starts in hole
CN205876322U (en) * 2016-08-01 2017-01-11 中铁第一勘察设计院集团有限公司 Rich water sand cobble stratum shield constructs business turn over hole system of consolidating
CN106968688A (en) * 2017-04-05 2017-07-21 宁波大学 A kind of shield tunnel is combined tunnel segment structure and shield tunnel liner

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101725356A (en) * 2008-10-15 2010-06-09 深圳市海川实业股份有限公司 Space enclosing structure of underground building shaft and shield machine cutting construction method thereof
CN102011596A (en) * 2010-11-29 2011-04-13 中铁三局集团有限公司 Shield originating or receiving end tunnel portal maintenance process
CN104389619A (en) * 2014-10-08 2015-03-04 海南大学 Shield excess hole construction method
CN204663550U (en) * 2015-04-30 2015-09-23 中铁二十二局集团第一工程有限公司 Grid is gone along with sb. to guard him in the interval engineering glass fiber-reinforced polymer construction of the shield structure that starts in hole
CN205876322U (en) * 2016-08-01 2017-01-11 中铁第一勘察设计院集团有限公司 Rich water sand cobble stratum shield constructs business turn over hole system of consolidating
CN106968688A (en) * 2017-04-05 2017-07-21 宁波大学 A kind of shield tunnel is combined tunnel segment structure and shield tunnel liner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108086292A (en) * 2017-11-30 2018-05-29 中国二十冶集团有限公司 The control method of jacking construction after Reinforcement with Cement-mixed Piles
CN111499336A (en) * 2020-04-30 2020-08-07 山东大学 Cuttable material for reinforcing tunnel portal

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