CN105626096A - Pea gravel hydraulic filling construction process for TBM - Google Patents
Pea gravel hydraulic filling construction process for TBM Download PDFInfo
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- CN105626096A CN105626096A CN201511034197.1A CN201511034197A CN105626096A CN 105626096 A CN105626096 A CN 105626096A CN 201511034197 A CN201511034197 A CN 201511034197A CN 105626096 A CN105626096 A CN 105626096A
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- hydraulic reclamation
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000010276 construction Methods 0.000 title abstract description 12
- 239000011435 rock Substances 0.000 claims abstract description 25
- 238000005507 spraying Methods 0.000 claims abstract description 13
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims description 95
- 244000046052 Phaseolus vulgaris Species 0.000 claims description 95
- 239000008267 milk Substances 0.000 claims description 5
- 210000004080 milk Anatomy 0.000 claims description 5
- 235000013336 milk Nutrition 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 230000000087 stabilizing effect Effects 0.000 abstract description 3
- 230000005641 tunneling Effects 0.000 abstract description 3
- 230000003631 expected effect Effects 0.000 abstract 1
- 238000005429 filling process Methods 0.000 abstract 1
- 239000011178 precast concrete Substances 0.000 abstract 1
- 238000011161 development Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000007569 slipcasting Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000003190 augmentative effect Effects 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 235000003642 hunger Nutrition 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 241000233633 Phytophthora drechsleri Species 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention provides a pea gravel hydraulic filling construction process for a tunnel boring machine (TBM). The pea gravel hydraulic filling process comprises the steps: forming cavity intervals between a duct piece and the circumference of a surrounding rock wall, enabling that the cavity intervals and lifting holes of an in-hole prefabricated duct piece are communicated; for stabilizing precast concrete components, spraying pea gravels with the grain size of 5-10 mm through the lifting hole by utilizing high-pressure air so as to fill the cavity intervals between the duct piece and surrounding rock, grouting, and condensing the pea gravels, thereby stabilizing the duct piece; meanwhile, transferring rock pressure or internal water pressure, thereby enabling the duct piece, the condensed pea gravels and the surrounding rock to form a dense whole body. Compared with shield tunneling construction, the pea gravel hydraulic filling construction process for the TBM has the remarkable advantages; operations are simple; the strength of bearing the pressure of the surrounding rock can be achieved; after the duct piece assembly is completed, pea gravels completely surrounding the duct piece are used for uniformly backfilling; therefore, slab staggering of the formed duct piece is reduced, and expected effects are achieved.
Description
Technical field
Raising along with complete-section tunnel boring machine (TBM) driving speed and pipe-plate lining effect, it is widely used in constructing tunnel, driving, prefabricated pipe section lining cutting, bean gravel hydraulic reclamation and slip casting are the major control links in construction, and the quality of the backfill of the physical dimension of prefabricated pipe section, the concrete strength of prefabricated pipe section, bean gravel and slip casting is to ensure that the basic of lining quality.
Background technology
Chongqing Light Rail loop wire running tunnel adopts single shield TBM+ drilling and blasting method to construct, and tunnel cross section pattern is round, digging diameter 6880mm, lining thickness 350mm, section of jurisdiction internal diameter 5900mm, external diameter 6600mm. section of jurisdiction form is made up of 3 calibrated bolcks+1 block that binds of+2 contiguous blocks. it is closely connected with country rock that the precondition of tunnel pipe sheet built design bearing capacity is lining cutting, has only water blockoff ability, jointly bears inside and outside load, thus the cavity that tunnel pipe sheet built is behind and between country rock need to carry out bean gravel backfill uniformly closely knit. country rock is mainly with sandstone, Sandy Silt is main, comprcssive strength is about about 25MPa, Local topography intensity is slightly higher, overall self-stability is better, subsoil water is loosely-packed layer pore water, bedrock fracture air slaking water, the bean gravel dredge fill technique of complete set has been made based on this engineering research under this formation condition, solve because of the section of jurisdiction not full quality problems caused of bean gravel hydraulic reclamation behind, this technique has been analyzed based on the reason of the section of jurisdiction percolating water that bean gravel hydraulic reclamation insatiable hunger filled band is come and faulting of slab ends, as long as being attributed to the quality improving section of jurisdiction bean gravel hydraulic reclamation slip casting behind, these problems just can be readily solved. if cavity is filled not in time, section of jurisdiction certainly will be caused to sink to forming faulting of slab ends, stratum deformation, make the buildings or structures sedimentation of adjacent earth's surface or tunnel skew itself. fill cavity, prevent because the existence of cavity causes that section of jurisdiction produces faulting of slab ends, be one of the most important purpose of hydraulic reclamation bean gravel. therefore, bean gravel hydraulic reclamation is requisite key auxiliary service market in TBM engineering method, and it is that TBM tunneling construction safely and smoothly ensures that rational construction technology selects.
Summary of the invention
A kind of TBM bean gravel dredge fill technique, it is characterized in that, once install section of jurisdiction deviate from tail shield after, just implement hydraulic reclamation immediately, bean gravel enters pipeline by bean gravel machine and pours into the gap with country rock, the section of jurisdiction from the preformed hole of concrete pipe sheet to nozzle, specifically comprises the following steps that
(1), after segment assembly completes, pre-hydraulic reclamation endless tube sheet bean gravel hydraulic reclamation preformed hole is opened, is calculated this ring hydraulic reclamation amount.
(2) depart from after shield tail until section of jurisdiction, immediately hydraulic reclamation bean gravel nozzle be arranged in section of jurisdiction on position preformed hole below shaft horizontal line and connect bean gravel pipe.
(3) after connecting bean gravel pipe, open air valve, hydraulic reclamation bean gravel air pressure is controlled at 0.2��0.3MPa, bean gravel is evenly supplied to bean gravel spraying machine material receiving port, start bean gravel spraying machine.
(4) after the following preformed hole in shaft horizontal line position in section of jurisdiction is full, being connected in section of jurisdiction by nozzle shaft horizontal line position reserves
Hole hydraulic reclamation;
(5) after shaft horizontal line position hydraulic reclamation in section of jurisdiction is full, nozzle is connected to tip position preformed hole hydraulic reclamation, after domain hydraulic reclamation terminates, check this top, hydraulic reclamation ring adjacent two to five rings hydraulic reclamation situation, be that 75mm nozzle is connected to this ring top preformed hole and continues hydraulic reclamation so that till full position, all tops by diameter immediately to the top full ring of non-hydraulic reclamation. After bean gravel hydraulic reclamation is full, then it is in the milk, condenses bean gravel.
Namely re-blow and be in the milk after terminating, condense bean gravel.
After section of jurisdiction installs in the shield tail of development machine (TBM), the augmented thrust oil cylinder of development machine just holds out against section of jurisdiction, after having tunneled along with a stroke, under the combined effect of main thrust oil cylinder and augmented thrust oil cylinder, shield body moves forward, after section of jurisdiction leaves shield tail gradually, bean gravel enters pipeline by bean gravel machine and pours into the gap with country rock, the section of jurisdiction from the preformed hole of concrete pipe sheet to nozzle. Once install section of jurisdiction deviate from tail shield after, just implement hydraulic reclamation immediately, in order to ensure hydraulic reclamation quality, hydraulic reclamation order is first base apertures, then waist hole, and last top-portion apertures blows back fills out (see photo), a suitable support force is provided, it is prevented that section of jurisdiction depression for section of jurisdiction. For preventing bean gravel from entering the gap of lining segment and tail shield, close pad on exterior one of development machine (TBM) tail shield. During to section of jurisdiction loopful hydraulic reclamation bean gravel behind, do not result in bean gravel and scurry into tail shield, therefore need driving limit, limit hydraulic reclamation bean gravel. The buoyancy produced after the loopful hydraulic reclamation bean gravel slip casting again of section of jurisdiction is conducted oneself with dignity less than section of jurisdiction, will not produce duct piece float upward phenomenon, and section of jurisdiction smooth-going after cavitation, faulting of slab ends is little, greatly improves cavitation quality, decreases the P. drechsleri time.
By disturbance or by the infiltration of the kata-rocks secondary consolidation again of failure by shear and subsoil water around development machine (TBM) Stratum Loss that causes of construction and TBM tunnel, the stresses re-distribution of country rock all can be caused. simultaneously in order to prevent the deformation of Wall Rock of Tunnel, make section of jurisdiction and the load-carrying ring being formed entirety by excavation country rock, reduce section of jurisdiction deformation under deadweight and interior load and the changing of the relative positions unstability between section of jurisdiction, it is necessary to carry out bean gravel hydraulic reclamation in time to the annular space between tunnel and the section of jurisdiction external diameter excavated. need in advance by preformed hole perforate during hydraulic reclamation, and check rock inwall geological condition, it is to avoid during hydraulic reclamation, air blast is formed and intrinsic pressure causes hydraulic reclamation not full and plugging phenomenon. bean gravel pack pot is coupled with bean gravel spraying machine feeding system, hydraulic reclamation front opening baiting valve makes bean gravel fall into the feeding port of belt feeder, start belt feeder and bean gravel is transported to hopper above bean gravel spraying machine, control bean gravel hydraulic reclamation force value 0.2��0.3MPa, open air valve, hark conveying pipeline inner wall sound, guarantee unimpeded after, open the dispensing valve below hopper, bean gravel is evenly supplied to bean gravel spraying machine material receiving port, bean gravel spraying machine is started while blowing, what at this moment bean gravel was orderly be assigned in bean gravel spraying machine respectively expects chamber, it is sent to shower nozzle in the space outside section of jurisdiction and between country rock through pipeline by compressing air bean gravel. every ring about needs hydraulic reclamation 4.5m3Left and right, hydraulic reclamation bean gravel checks the hydraulic reclamation situation at two to five rings, two to five rings tip position after this hydraulic reclamation ring of re-blowing in time after this hydraulic reclamation ring immediately after terminating in order. Top bean gravel hydraulic reclamation insatiable hunger is full of more complicated Technology problem, it is by various factors such as preformed hole static position, air pressure air flow wind direction, bean gravel concentrations, it is the committed step of technique that top spacer ring is re-blow, due to bean gravel Gravitative Loads, it is difficult to be filled in the certain limit of top, thus needing secondary to re-blow reduce cavity, due to front ring hydraulic reclamation mistake, again during the hydraulic reclamation of top, certain closing pressure has been formed due to inside, make bean gravel can be stabilized in tip position, supported from the bearing diagonal power reformed by front ring bean gravel. Technique adheres to the principle of " depart from tail shield one ring be necessary for backfill one ring ", and the cavity that the method at hydraulic reclamation terminates self-inspection immediately and spacer ring is re-blow top makes section of jurisdiction and country rock be formed is full of bean gravel uniformly densely.
The bean gravel hydraulic reclamation technique of this employing, relative TBM construction is with the obvious advantage, simple to operate, it is possible to reaches the intensity of carrying pressure from surrounding rock, after pipe sheet assembling completes, carries out section of jurisdiction loopful bean gravel and uniformly backfill, and reduces molding section of jurisdiction faulting of slab ends, achieves Expected Results. About 140mm cavity clearance is formed between section of jurisdiction and country rock wall surrounding, this part space communicates with the hole for hoist of prefabricated pipe section in hole, for stabilizing concrete prefabricated components, the bean gravel high-pressure blast that particle diameter is 5��10mm is sprayed into from hole for hoist, fill the space between section of jurisdiction and country rock, then it is in the milk, condense bean gravel, make section of jurisdiction be stablized, simultaneously transmission rock pressure or internal water pressure, section of jurisdiction, the bean gravel of condensation and country rock is made to form closely knit entirety, here it is bean gravel hydraulic reclamation technique.
Accompanying drawing explanation
Fig. 1 is bean gravel hydraulic reclamation point position schematic diagram, and wherein 3: 9 each position have mark. The numeral of figure lower section represents corresponding what time direction.
Detailed description of the invention
This detailed description of the invention adopts technical scheme: its technological process:
(1), after segment assembly completes, pre-hydraulic reclamation endless tube sheet bean gravel hydraulic reclamation preformed hole is opened, and checks country rock inwall geological condition, be calculated this ring hydraulic reclamation amount.
(2) along with driving, depart from after shield tail until section of jurisdiction, immediately hydraulic reclamation bean gravel 75mm nozzle installed on bottom (3, less than 9 positions) preformed hole and connect bean gravel pipe.
(3) after connecting pipeline, couple bean gravel pack pot and bean gravel spraying machine feeding system, open after baiting valve makes bean gravel fall into the feeding port of belt feeder, open air valve, hydraulic reclamation bean gravel air pressure is controlled at 0.2��0.3MPa, harks conveying pipeline inner wall sound, guarantee unimpeded after, open the dispensing valve below hopper, bean gravel is evenly supplied to bean gravel spraying machine material receiving port, while blowing, start bean gravel spraying machine.
(4) after until bottom (3,9 the following scope in position), preformed hole is full, nozzle is connected to waist location (3,9 about) preformed hole hydraulic reclamation, this preformed hole of hydraulic reclamation terminates, use light irradiation preformed hole, whether hydraulic reclamation is full to judge bean gravel, does not blow full continuation and nozzle is connected hydraulic reclamation.
(5) after waist location (in section of jurisdiction shaft horizontal line position) hydraulic reclamation is full, nozzle is connected to tip position (3,9 range above) preformed hole hydraulic reclamation, and checks domain hydraulic reclamation situation.
(6) after domain hydraulic reclamation terminates, checking top, two to five rings hydraulic reclamation situation after this hydraulic reclamation ring, diameter is that 75mm nozzle is connected to this ring top preformed hole and continues hydraulic reclamation so that till full position, top by non-hydraulic reclamation full ring immediately.
Technical advantage
Bean gravel hydraulic reclamation process advantage
(1) technique adheres to the principle of " depart from tail shield one ring and be necessary for backfill one ring ", greatly reduces section of jurisdiction depression and makes faulting of slab ends reduce.
(2) duct piece float upward is overcome. The buoyancy produced in bottom range is conducted oneself with dignity much smaller than section of jurisdiction, not enough so that duct piece float upward.
(3) bean gravel blows rockfill grouting shrinkage factor and is obviously reduced. Owing to bean gravel does aggregate, cement grout is filling bean gravel gap, consolidation bean gravel, therefore forms shrink space hardly in section of jurisdiction behind, is conducive to sealing.
(4) spacer ring is re-blow and is made the not full problem in top be addressed, and makes cavity between section of jurisdiction and country rock form uniform closed chamber, forms bean gravel concrete after grouting, is conducive to tunnel total quality to promote.
(5) compared with synchronizing loopful cementing mortar technique, after bean gravel hydraulic reclamation, grout injection greatly reduces plugging rate, and technique is simple.
(6) bean gravel hydraulic reclamation hydraulic reclamation is full is conducive to stablizing of section of jurisdiction. Section of jurisdiction is held by bean gravel, forms rigid support, is not result in section of jurisdiction, decreases section of jurisdiction faulting of slab ends, and then prevent drainage.
(7) accelerate driving speed, improve construction safety. Hydraulic reclamation bean gravel is more simple to operate than synchronizing loopful cementing mortar, and cementing mortar must control injection speed, in order to avoid section of jurisdiction pressurized sinks, it is necessary to control driving speed. And the grouting of bean gravel hydraulic reclamation need not control operating speed, decrease circulation time, accelerate driving speed.
Chongqing region adopts in tunneling boring hard rock mole work progress, summary and induction draws this kind of bean gravel backfill construction technology, use the actual hydraulic reclamation effect of detections of radar, testing result shows that more than 95% ring all hydraulic reclamations are full, effectively control TBM construction often occurs change sheet float, sinkage, without faulting of slab ends after pipe sheet assembling, outward appearance smoothes out and greatly improves cavitation quality, there is good economy, the suitability. Bean gravel hydraulic reclamation is in the milk through coring, mud jacking inspection, and normal hole section is all qualified has reached designing requirement.
Claims (1)
1. a TBM bean gravel dredge fill technique, it is characterized in that, once install section of jurisdiction deviate from tail shield after, just implement hydraulic reclamation immediately, bean gravel enters pipeline by bean gravel machine and pours into the gap with country rock, the section of jurisdiction from the preformed hole of concrete pipe sheet to nozzle, specifically comprises the following steps that
(1), after segment assembly completes, pre-hydraulic reclamation endless tube sheet bean gravel hydraulic reclamation preformed hole is opened, is calculated this ring hydraulic reclamation amount;
(2) depart from after shield tail until section of jurisdiction, immediately hydraulic reclamation bean gravel nozzle be arranged in section of jurisdiction on position preformed hole below shaft horizontal line and connect bean gravel pipe;
(3) after connecting bean gravel pipe, open air valve, hydraulic reclamation bean gravel air pressure is controlled at 0.2��0.3MPa, bean gravel is evenly supplied to bean gravel spraying machine material receiving port, start bean gravel spraying machine;
(4) after the following preformed hole in shaft horizontal line position in section of jurisdiction is full, it is connected in section of jurisdiction by nozzle shaft horizontal line position preformed hole hydraulic reclamation;
(5) after shaft horizontal line position hydraulic reclamation in section of jurisdiction is full, nozzle is connected to tip position preformed hole hydraulic reclamation, after domain hydraulic reclamation terminates, check this top, hydraulic reclamation ring adjacent two to five rings hydraulic reclamation situation, be that 75mm nozzle is connected to this ring top preformed hole and continues hydraulic reclamation so that till full position, all tops by diameter immediately to the top full ring of non-hydraulic reclamation; After bean gravel hydraulic reclamation is full, then it is in the milk, condenses bean gravel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511034197.1A CN105626096A (en) | 2015-12-31 | 2015-12-31 | Pea gravel hydraulic filling construction process for TBM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511034197.1A CN105626096A (en) | 2015-12-31 | 2015-12-31 | Pea gravel hydraulic filling construction process for TBM |
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| Publication Number | Publication Date |
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| CN105626096A true CN105626096A (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511034197.1A Pending CN105626096A (en) | 2015-12-31 | 2015-12-31 | Pea gravel hydraulic filling construction process for TBM |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121677A (en) * | 2016-07-25 | 2016-11-16 | 中国科学院武汉岩土力学研究所 | TBM construction controls the structural shape of tunnel duct piece faulting of slab ends |
| CN107165655A (en) * | 2017-06-29 | 2017-09-15 | 山东科技大学 | A kind of backfilling grouting method in the driving for complete-section tunnel boring machine |
| CN107939420A (en) * | 2017-08-21 | 2018-04-20 | 中铁六局集团有限公司 | The construction method filled after two backing of bored tunnel assembled |
| CN108198505A (en) * | 2018-03-01 | 2018-06-22 | 西南交通大学 | A kind of shield formula TBM tunnels beans gravel construction simulation device |
| CN108708752A (en) * | 2018-07-27 | 2018-10-26 | 西南交通大学 | The method that the tunnels TBM apply the supporting apparatus and beans gravel rockfill grouting of section of jurisdiction |
| CN109356613A (en) * | 2018-12-12 | 2019-02-19 | 青海大学 | A kind of TBM construction diversion tunnel segment deformation permanent reinforcement method |
| CN109441470A (en) * | 2018-12-25 | 2019-03-08 | 中国电建集团成都勘测设计研究院有限公司 | Double-shielded TBM tunnels tunnel surrounding rebound value test method |
| CN109736830A (en) * | 2019-01-10 | 2019-05-10 | 中铁建南方建设投资有限公司 | The implementation method of lateral sealing in a kind of TBM tunnel construction |
| CN109798128A (en) * | 2018-12-28 | 2019-05-24 | 中国水利水电第四工程局有限公司 | A kind of diversion tunnel pole weak surrounding rock section constructing method |
| CN110005432A (en) * | 2019-04-18 | 2019-07-12 | 西南交通大学 | Double-shielded TBM development machine passes through the synchronous grouting construction method of fractured weak zone |
| CN111456758A (en) * | 2020-06-03 | 2020-07-28 | 中国水利水电第十工程局有限公司 | Double-shield TBM pipe back supporting method for dealing with rock burst |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121677A (en) * | 2016-07-25 | 2016-11-16 | 中国科学院武汉岩土力学研究所 | TBM construction controls the structural shape of tunnel duct piece faulting of slab ends |
| CN107165655A (en) * | 2017-06-29 | 2017-09-15 | 山东科技大学 | A kind of backfilling grouting method in the driving for complete-section tunnel boring machine |
| CN107939420A (en) * | 2017-08-21 | 2018-04-20 | 中铁六局集团有限公司 | The construction method filled after two backing of bored tunnel assembled |
| CN108198505B (en) * | 2018-03-01 | 2023-10-03 | 西南交通大学 | Shield type TBM tunnel bean gravel construction simulation device |
| CN108198505A (en) * | 2018-03-01 | 2018-06-22 | 西南交通大学 | A kind of shield formula TBM tunnels beans gravel construction simulation device |
| CN108708752A (en) * | 2018-07-27 | 2018-10-26 | 西南交通大学 | The method that the tunnels TBM apply the supporting apparatus and beans gravel rockfill grouting of section of jurisdiction |
| CN108708752B (en) * | 2018-07-27 | 2023-11-24 | 西南交通大学 | Temporary supporting device for TBM tunnel construction segment and bean gravel backfill grouting method |
| CN109356613A (en) * | 2018-12-12 | 2019-02-19 | 青海大学 | A kind of TBM construction diversion tunnel segment deformation permanent reinforcement method |
| CN109441470A (en) * | 2018-12-25 | 2019-03-08 | 中国电建集团成都勘测设计研究院有限公司 | Double-shielded TBM tunnels tunnel surrounding rebound value test method |
| CN109798128A (en) * | 2018-12-28 | 2019-05-24 | 中国水利水电第四工程局有限公司 | A kind of diversion tunnel pole weak surrounding rock section constructing method |
| CN109736830A (en) * | 2019-01-10 | 2019-05-10 | 中铁建南方建设投资有限公司 | The implementation method of lateral sealing in a kind of TBM tunnel construction |
| CN110005432A (en) * | 2019-04-18 | 2019-07-12 | 西南交通大学 | Double-shielded TBM development machine passes through the synchronous grouting construction method of fractured weak zone |
| CN111456758A (en) * | 2020-06-03 | 2020-07-28 | 中国水利水电第十工程局有限公司 | Double-shield TBM pipe back supporting method for dealing with rock burst |
| CN111456758B (en) * | 2020-06-03 | 2021-05-14 | 中国水利水电第十工程局有限公司 | Double-shield TBM pipe back supporting method for dealing with rock burst |
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Inventor after: Wang Qiangzong Inventor after: Zhang Bo Inventor after: Sun Heming Inventor after: Feng Shengwu Inventor after: Fan Weishan Inventor after: Zhang Zhiwei Inventor after: Wu Wei Inventor before: Zhang Bo Inventor before: Sun Heming Inventor before: Feng Shengwu Inventor before: Fan Weishan Inventor before: Zhang Zhiwei Inventor before: Wu Wei Inventor before: Wang Qiangzong |
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Application publication date: 20160601 |