CN109594990A - A kind of bad ground big cross section pipe jacking construction method - Google Patents

A kind of bad ground big cross section pipe jacking construction method Download PDF

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Publication number
CN109594990A
CN109594990A CN201811394119.6A CN201811394119A CN109594990A CN 109594990 A CN109594990 A CN 109594990A CN 201811394119 A CN201811394119 A CN 201811394119A CN 109594990 A CN109594990 A CN 109594990A
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CN
China
Prior art keywords
jacking
pipe
construction
mud
control
Prior art date
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CN201811394119.6A
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Chinese (zh)
Inventor
李川
林远义
杨祖明
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中铁二局第三工程有限公司
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Priority to CN201811394119.6A priority Critical patent/CN109594990A/en
Publication of CN109594990A publication Critical patent/CN109594990A/en

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    • 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
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02Macromolecular compounds
    • C04B26/28Polysaccharides or derivatives thereof
    • C04B26/285Cellulose or derivatives thereof, e.g. starch
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04Lining with building materials
    • E21D11/10Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/70Grouts, e.g. injection mixtures for cables for prestressed concrete

Abstract

The invention discloses a kind of bad ground big cross section pipe jacking construction method, including during jacking construction to several big steps of line type control in the jacking control and Curve Pipe Jacking and process in the construction parameter in the settlement Control of existing buildings, different geo-logical terrains when jacking, jacking control in upper soft lower hard stratum, hard rock stratum.The present invention can be such that the seam at Curve Pipe Jacking tube coupling meets the requirements, ensure do not occur infiltration situation between tube coupling, it ensure that construction quality, can make to wear high speed, conduit pipe and sewage pipe under push pipe is successful, ensure that the safety of each existing buildings, it can guarantee and settled along push pipe in controllable state, security risk is reduced, sedimentation can have been efficiently controlled, makes the safe and smooth perforation of push pipe, the safety for the tool changing that opens a position is can guarantee, it is ensured that smooth jacking of push-bench under the conditions of hard rock.

Description

A kind of bad ground big cross section pipe jacking construction method

Technical field

The present invention relates to pipe jacking construction technique field, specially a kind of bad ground big cross section pipe jacking construction method.

Background technique

The jacking construction operation of early stage is to be completed between 1896-1900 by the U.S., and subsequent this technology is gradually permitted More railroads are determined as the standard method of the jacking cast-iron pipe below railway.Because of the addition of push pipe section relay well, jacking Length is also developed to from the 100m that is less than of early stage greater than 1000m.Hamburg, Germany sewer pipe-jacking project in 1970 is first in the world The concrete ceiling coil engineering of secondary super km.Big cross section push pipe develops more mature in states such as Japan, Germany at present, and push pipe caliber is reachable 4-5 m。

China's pipe-jacking technology is constructed earliest starts from Beijing of nineteen fifty-three, and Shanghai also started push pipe test in 1956.Through The development of many years is crossed, pipe-jacking technology has obtained the utilization of a large amount of Practical Projects in China, and remains the impetus of rapid growth.Mesh The jacking construction diameter in preceding China, which is up to, has reached 4 m, but generally jacking construction diameter is little, especially in hard grey matter Push pipe is almost also not directed in rock.

Due to the fast development in city and cities and towns, superstructure space is more and more narrow, forces the transformation of people's consciousness and opens It wards off the underground space, and the appearance of underpass and push pipe building construction technology, solves in municipal construction in construction project frequently The influence to the normal orders of life in city, and the variability of geological condition and the increasing of push pipe cross dimensions are excavated, also will Pipe-jacking technology is promoted to continue to develop.Therefore, the big cross section pipe jacking construction technique grasped in bad ground builds promotion city from now on If development is of great significance.

Summary of the invention

The purpose of the present invention is to provide a kind of bad ground big cross section pipe jacking construction methods, to solve above-mentioned background technique The problem of middle proposition.

To achieve the above object, the invention provides the following technical scheme:

A kind of bad ground big cross section pipe jacking construction method, comprising the following steps:

To the settlement Control of existing buildings during S1, jacking construction

A, before jacking construction, rotary churning pile reinforcing is carried out to bridge on highway pile foundation, it is ensured that bridge pile foundation sedimentation deformation is controllable;

B, physical plane position, elevation and the geological conditions of conduit pipe are investigated, and before construction by adjusting road gradient in highway tunnel, drop The mode of low tunnel absolute altitude, it is ensured that the clear distance of conduit pipe and pipe jacking tunnel is more than at a distance from 1 times of push pipe outer diameter;

C, it for being worn under level-crossing and parallel most sewage pipe, is slagged tap situation by real-time monitoring and observation, grasps sedimentation Data and geological condition adjust construction parameter;

Construction parameter in S2, different geo-logical terrains when jacking

In different geological conditions when jacking, construction parameter is adjusted by settlement observation, it is ensured that settle along jacking route or grand It rises within the scope of controlling value;

Jacking control in S3, upper soft lower hard stratum

A, before jacking construction, geology exploration report is analyzed, for upper soft lower hard stratum, soil layer big to upper flow in advance Consolidation process is carried out, drifting sand layer or mud are consolidated, enhances its stability, reduces mobility;

B, it when upper soft lower hard stratum occurs in short distance, and when top is not reinforced, is first closed in jacking into sludge pipe, When jacking about 10cm apart from when, then open into sludge pipe, when the soil of about 1m3 or so is discharged, turn off valve, it is so anti- It is multiple, it pushes ahead;

Jacking control in S4, hard rock stratum

A, before jacking construction, data is reconnoitred according to geology in detail, analyzes the hardness of rock, reasonable disposition cutter carries out push pipe The Adaptability Analysis of machine;

B, during jacking construction, according to the variation of slag tap situation and observation electric current and torque, tool wear situation is determined, and The tool changing that opens a position is carried out in the good location of geological conditions;

Line type control in S5, Curve Pipe Jacking and process

A, continuous accurate measurement is carried out in jack-in process, is grasped the location of push-bench, is adjusted and pushed up according to measurement result Into parameter and the length difference of push-bench correction jack;

B, correction control when constructing should follow the principle of interior envelope: i.e. medial motion of the actual path in design curve;

C, with subtended angle on the inside of the tube coupling at the chock filling construction axis variation of suitable thickness, make entire jacking pipeline along curve Advance track;

D, head and preceding three-joint pipe must install stay-bolt, and measure the size of tube coupling seam, adjusted and drawn according to actual requirement Stem nut guarantees that pipe seam width is consistent with theoretical gap always;

E, jacking construction axis is controlled, so that the component in its vertical axis direction is less than soil body Lateral Resistance, controls push-bench The axis of jacking and subsequent chock, make jacking axis line track form good, regular circular arc curvature;

F, slip casting on the outside of circular arc should be focused on when slip casting, the pressure of the pressure gauge in observation on the injected hole of outside adjusts in time, makes interior Outside pressure value is equal.

Preferably, the move speed in the different geology bottoms is as follows:

In layer of sand when jacking, move speed is controlled in 4cm-6cm/min;

In clay when jacking, move speed control is in 1.5-2.5cm/min, and average every section pipe driving time control was at 2 hours More than;

In hard rock when jacking, move speed is controlled in 1cm/min.

Preferably, the grouting amount is as follows:

In water-rich sand layer when jacking, mud balance is controlled in 1.2g/cm3;

In cohesive soil when jacking, mud balance is controlled in 1.0g/cm3;

The jacking in rock stratum, mud balance are controlled in 1.2-1.3g/cm3.

Preferably, described when jacking, to be coated with paraffin in tube surfaces in long range layer of sand.

Preferably, the reacting wall of jack uses reinforced concrete wall when the pipeline jacking, multiple with 800mm ground-connecting-wall Close shared jacking counter-force.

Preferably, thixotropic slurry is used when the slip casting, slurry is mended using pipeline when slip casting, and the method that pipeline mends slurry is slave First segment pipe to pipeline final section pipe arranges grouting valve pipe after head, and one circle mud jacking valve pipe of setting, every circle set 4 in every length of tubing Mud jacking hole installs 1 cun of ball valve on each mud jacking hole, is connected by rubber hose with mud jacking general pipeline, and mud jacking general pipeline is one 2 cun Galvanized iron pipe connects mudjack, and mud jacking system is equipped with flow, pressure-regulating valve, carries out slip casting, note using BW-250 type slush pump Starch pressure value P=200kPa.

Preferably, the thixotropic slurry the preparation method is as follows: quantitative water is put into agitator tank, take one therein Divide water to dissolve soda ash, density is added to pour into agitator tank after 2.3g/cm3 bentonite, adds CMC and stirs evenly, stands For 24 hours without separating water, in 50cm3/h, slurry specific gravity obtained is 1.1g/cm3 for fluid loss control.

Preferably, the mass ratio of the bentonite, CMC, soda ash and water is 150:1.05:3.05:800.

Compared with prior art, the beneficial effects of the present invention are:

1, by the control of Curve Pipe Jacking line style, meet the requirements the seam at Curve Pipe Jacking tube coupling, it is ensured that not occur between tube coupling Seep water situation, ensure that construction quality;

2, by, to the settlement Control of existing buildings, making to wear high speed, conduit pipe and dirt under push pipe is successful in jacking construction Water pipe ensure that the safety of each existing buildings;

3, by jacking construction, the construction parameter of jacking is controlled in Different Strata, by the adjustment of parameter, ensure that push pipe edge Line sedimentation is in controllable state, reduces security risk;

4, the jacking control that upper-soft lower-hard ground is passed through by jacking construction has efficiently controlled sedimentation, keeps push pipe safe and smooth Perforation;

5, by the jacking control to hard rock push pipe, it ensure that the safety for the tool changing that opens a position, it is ensured that push-bench is under the conditions of hard rock Smooth jacking.

Specific embodiment

In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not For limiting the present invention.

A kind of bad ground big cross section pipe jacking construction method, comprising the following steps:

To the settlement Control of existing buildings during S1, jacking construction

A, before jacking construction, rotary churning pile reinforcing is carried out to bridge on highway pile foundation, it is ensured that bridge pile foundation sedimentation deformation is controllable;

B, physical plane position, elevation and the geological conditions of conduit pipe are investigated, and before construction by adjusting road gradient in highway tunnel, drop The mode of low tunnel absolute altitude, it is ensured that the clear distance of conduit pipe and pipe jacking tunnel is more than at a distance from 1 times of push pipe outer diameter;

C, it for being worn under level-crossing and parallel most sewage pipe, is slagged tap situation by real-time monitoring and observation, grasps sedimentation Data and geological condition adjust construction parameter;

Construction parameter in S2, different geo-logical terrains when jacking

In different geological conditions when jacking, construction parameter is adjusted by settlement observation, it is ensured that settle along jacking route or grand It rises within the scope of controlling value;

Jacking control in S3, upper soft lower hard stratum

A, before jacking construction, geology exploration report is analyzed, for upper soft lower hard stratum, soil layer big to upper flow in advance Consolidation process is carried out, drifting sand layer or mud are consolidated, enhances its stability, reduces mobility;

B, it when upper soft lower hard stratum occurs in short distance, and when top is not reinforced, is first closed in jacking into sludge pipe, When jacking about 10cm apart from when, then open into sludge pipe, when the soil of about 1m3 or so is discharged, turn off valve, it is so anti- It is multiple, it pushes ahead;

Jacking control in S4, hard rock stratum

A, before jacking construction, data is reconnoitred according to geology in detail, analyzes the hardness of rock, reasonable disposition cutter carries out push pipe The Adaptability Analysis of machine;

B, during jacking construction, according to the variation of slag tap situation and observation electric current and torque, tool wear situation is determined, and The tool changing that opens a position is carried out in the good location of geological conditions;

Line type control in S5, Curve Pipe Jacking and process

A, continuous accurate measurement is carried out in jack-in process, is grasped the location of push-bench, is adjusted and pushed up according to measurement result Into parameter and the length difference of push-bench correction jack;

B, correction control when constructing should follow the principle of interior envelope: i.e. medial motion of the actual path in design curve;

C, with subtended angle on the inside of the tube coupling at the chock filling construction axis variation of suitable thickness, make entire jacking pipeline along curve Advance track;

D, head and preceding three-joint pipe must install stay-bolt, and measure the size of tube coupling seam, adjusted and drawn according to actual requirement Stem nut guarantees that pipe seam width is consistent with theoretical gap always;

E, jacking construction axis is controlled, so that the component in its vertical axis direction is less than soil body Lateral Resistance, controls push-bench The axis of jacking and subsequent chock, make jacking axis line track form good, regular circular arc curvature;

F, slip casting on the outside of circular arc should be focused on when slip casting, the pressure of the pressure gauge in observation on the injected hole of outside adjusts in time, makes interior Outside pressure value is equal.

Preferably, the move speed in the difference geology bottom is as follows:

In layer of sand when jacking, move speed is controlled in 4cm-6cm/min;

In clay when jacking, move speed control is in 1.5-2.5cm/min, and average every section pipe driving time control was at 2 hours More than;

In hard rock when jacking, move speed is controlled in 1cm/min.

Preferably, the grouting amount is as follows:

In water-rich sand layer when jacking, mud balance is controlled in 1.2g/cm3;

In cohesive soil when jacking, mud balance is controlled in 1.0g/cm3;

The jacking in rock stratum, mud balance are controlled in 1.2-1.3g/cm3.

Preferably, described when jacking, be coated with paraffin in tube surfaces in long range layer of sand.

Preferably, the reacting wall of jack uses reinforced concrete wall when the pipeline jacking, it is multiple with 800mm ground-connecting-wall Close shared jacking counter-force.

Preferably, using thixotropic slurry when the slip casting, slurry is mended using pipeline when slip casting, the method that pipeline mends slurry is slave First segment pipe to pipeline final section pipe arranges grouting valve pipe after head, and one circle mud jacking valve pipe of setting, every circle set 4 in every length of tubing Mud jacking hole installs 1 cun of ball valve on each mud jacking hole, is connected by rubber hose with mud jacking general pipeline, and mud jacking general pipeline is one 2 cun Galvanized iron pipe connects mudjack, and mud jacking system is equipped with flow, pressure-regulating valve, carries out slip casting, note using BW-250 type slush pump Starch pressure value P=200kPa.

Preferably, the thixotropic slurry the preparation method is as follows: quantitative water is put into agitator tank, take one therein Divide water to dissolve soda ash, density is added to pour into agitator tank after 2.3g/cm3 bentonite, adds CMC and stirs evenly, stands For 24 hours without separating water, in 50cm3/h, slurry specific gravity obtained is 1.1g/cm3 for fluid loss control.

Preferably, the bentonite, CMC, soda ash and water mass ratio be 150:1.05:3.05:800.

In summary: a kind of bad ground big cross section pipe jacking construction method provided by the invention passes through Curve Pipe Jacking line style Control, make at Curve Pipe Jacking tube coupling seam meet the requirements, it is ensured that do not occur infiltration situation between tube coupling, ensure that engineering matter Amount;By, to the settlement Control of existing buildings, making to wear high speed, conduit pipe and sewage under push pipe is successful in jacking construction Pipe, ensure that the safety of each existing buildings;It is controlled by the construction parameter of jacking construction jacking in Different Strata, passes through ginseng Several adjustment ensure that and settle along push pipe in controllable state, reduces security risk;By jacking construction pass through it is upper it is soft under The jacking control of hard formation has efficiently controlled sedimentation, makes the safe and smooth perforation of push pipe;Pass through the jacking control to hard rock push pipe System, ensure that the safety for the tool changing that opens a position, it is ensured that smooth jacking of push-bench under the conditions of hard rock.

The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (8)

1. a kind of bad ground big cross section pipe jacking construction method, which comprises the following steps:
To the settlement Control of existing buildings during S1, jacking construction
A, before jacking construction, rotary churning pile reinforcing is carried out to bridge on highway pile foundation, it is ensured that bridge pile foundation sedimentation deformation is controllable;
B, physical plane position, elevation and the geological conditions of conduit pipe are investigated, and before construction by adjusting road gradient in highway tunnel, drop The mode of low tunnel absolute altitude, it is ensured that the clear distance of conduit pipe and pipe jacking tunnel is more than at a distance from 1 times of push pipe outer diameter;
C, it for being worn under level-crossing and parallel most sewage pipe, is slagged tap situation by real-time monitoring and observation, grasps sedimentation Data and geological condition adjust construction parameter;
Construction parameter in S2, different geo-logical terrains when jacking
In different geological conditions when jacking, construction parameter is adjusted by settlement observation, it is ensured that settle along jacking route or grand It rises within the scope of controlling value;
Jacking control in S3, upper soft lower hard stratum
A, before jacking construction, geology exploration report is analyzed, for upper soft lower hard stratum, soil layer big to upper flow in advance Consolidation process is carried out, drifting sand layer or mud are consolidated, enhances its stability, reduces mobility;
B, it when upper soft lower hard stratum occurs in short distance, and when top is not reinforced, is first closed in jacking into sludge pipe, When jacking about 10cm apart from when, then open into sludge pipe, when the soil of about 1m3 or so is discharged, turn off valve, it is so anti- It is multiple, it pushes ahead;
Jacking control in S4, hard rock stratum
A, before jacking construction, data is reconnoitred according to geology in detail, analyzes the hardness of rock, reasonable disposition cutter carries out push pipe The Adaptability Analysis of machine;
B, during jacking construction, according to the variation of slag tap situation and observation electric current and torque, tool wear situation is determined, and The tool changing that opens a position is carried out in the good location of geological conditions;
Line type control in S5, Curve Pipe Jacking and process
A, continuous accurate measurement is carried out in jack-in process, is grasped the location of push-bench, is adjusted and pushed up according to measurement result Into parameter and the length difference of push-bench correction jack;
B, correction control when constructing should follow the principle of interior envelope: i.e. medial motion of the actual path in design curve;
C, with subtended angle on the inside of the tube coupling at the chock filling construction axis variation of suitable thickness, make entire jacking pipeline along curve Advance track;
D, head and preceding three-joint pipe must install stay-bolt, and measure the size of tube coupling seam, adjusted and drawn according to actual requirement Stem nut guarantees that pipe seam width is consistent with theoretical gap always;
E, jacking construction axis is controlled, so that the component in its vertical axis direction is less than soil body Lateral Resistance, controls push-bench The axis of jacking and subsequent chock, make jacking axis line track form good, regular circular arc curvature;
F, slip casting on the outside of circular arc should be focused on when slip casting, the pressure of the pressure gauge in observation on the injected hole of outside adjusts in time, makes interior Outside pressure value is equal.
2. a kind of bad ground big cross section pipe jacking construction method according to claim 1, it is characterised in that: it is described differently Move speed in matter bottom is as follows:
In layer of sand when jacking, move speed is controlled in 4cm-6cm/min;
In clay when jacking, move speed control is in 1.5-2.5cm/min, and average every section pipe driving time control was at 2 hours More than;
In hard rock when jacking, move speed is controlled in 1cm/min.
3. a kind of bad ground big cross section pipe jacking construction method according to claim 1, which is characterized in that the grouting amount It is as follows:
In water-rich sand layer when jacking, mud balance is controlled in 1.2g/cm3;
In cohesive soil when jacking, mud balance is controlled in 1.0g/cm3;
The jacking in rock stratum, mud balance are controlled in 1.2-1.3g/cm3.
4. a kind of bad ground big cross section pipe jacking construction method according to claim 1, it is characterised in that: it is described it is long away from From when jacking, being coated with paraffin in tube surfaces in layer of sand.
5. a kind of bad ground big cross section pipe jacking construction method according to claim 1, it is characterised in that: the pipeline top Into when jack reacting wall use reinforced concrete wall, with the compound shared jacking counter-force of 800mm ground-connecting-wall.
6. a kind of bad ground big cross section pipe jacking construction method according to claim 1, it is characterised in that: when the slip casting Using thixotropic slurry, slurry is mended using pipeline when slip casting, the method that pipeline mends slurry be after head first segment pipe to pipeline last It saves pipe and arranges grouting valve pipe, one circle mud jacking valve pipe of setting, every circle set 4 mud jacking holes, install on each mud jacking hole in every length of tubing One 1 cun of ball valve is connected by rubber hose with mud jacking general pipeline, and mud jacking general pipeline is 2 cun of galvanized iron pipes, connects mudjack, mud jacking System is equipped with flow, pressure-regulating valve, carries out slip casting, grouting pressure value P=200kPa using BW-250 type slush pump.
7. a kind of bad ground big cross section pipe jacking construction method according to claim 6, which is characterized in that the thixotroping mud Slurry the preparation method is as follows: quantitative water is put into agitator tank, take a part of water therein to dissolve soda ash, density, which is added, is It is poured into agitator tank after 2.3g/cm3 bentonite, adds CMC and stir evenly, stood for 24 hours without separating water, fluid loss control exists 50cm3/h, slurry specific gravity obtained are 1.1g/cm3.
8. a kind of bad ground big cross section pipe jacking construction method according to claim 7, it is characterised in that: the swelling Soil, CMC, soda ash and water mass ratio be 150:1.05:3.05:800.
CN201811394119.6A 2018-11-21 2018-11-21 A kind of bad ground big cross section pipe jacking construction method CN109594990A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110864162A (en) * 2019-11-05 2020-03-06 国网浙江省电力有限公司宁波市镇海区供电公司 Construction process of argillaceous sandstone geological pipe jacking
CN111022081A (en) * 2020-01-08 2020-04-17 中铁四局集团第四工程有限公司 Long-distance water-rich sand layer pipe jacking intermediate and filling and sealing method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3931123B2 (en) * 2002-07-29 2007-06-13 株式会社アルファシビルエンジニアリング Non-open-cutting construction method for underground structures
JP4193592B2 (en) * 2003-05-30 2008-12-10 鹿島建設株式会社 Start / arrival method of propulsion pipe and start / reach section
CN103556579A (en) * 2013-11-14 2014-02-05 天津市水利工程有限公司 Box culvert pushing construction method integrating comprehensive grouting, pressure maintaining and pipe roof support
CN104265321A (en) * 2014-08-06 2015-01-07 上海隧道工程有限公司 Ultra-large full-face rectangular pipe jacking tunneling construction method
CN106545346A (en) * 2016-12-08 2017-03-29 中国地质大学(武汉) A kind of push pipe tunnel section optimization method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3931123B2 (en) * 2002-07-29 2007-06-13 株式会社アルファシビルエンジニアリング Non-open-cutting construction method for underground structures
JP4193592B2 (en) * 2003-05-30 2008-12-10 鹿島建設株式会社 Start / arrival method of propulsion pipe and start / reach section
CN103556579A (en) * 2013-11-14 2014-02-05 天津市水利工程有限公司 Box culvert pushing construction method integrating comprehensive grouting, pressure maintaining and pipe roof support
CN104265321A (en) * 2014-08-06 2015-01-07 上海隧道工程有限公司 Ultra-large full-face rectangular pipe jacking tunneling construction method
CN106545346A (en) * 2016-12-08 2017-03-29 中国地质大学(武汉) A kind of push pipe tunnel section optimization method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110864162A (en) * 2019-11-05 2020-03-06 国网浙江省电力有限公司宁波市镇海区供电公司 Construction process of argillaceous sandstone geological pipe jacking
CN111022081A (en) * 2020-01-08 2020-04-17 中铁四局集团第四工程有限公司 Long-distance water-rich sand layer pipe jacking intermediate and filling and sealing method thereof

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