CN105350988B - Tunnel Base reinforcement means - Google Patents
Tunnel Base reinforcement means Download PDFInfo
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- CN105350988B CN105350988B CN201510862218.2A CN201510862218A CN105350988B CN 105350988 B CN105350988 B CN 105350988B CN 201510862218 A CN201510862218 A CN 201510862218A CN 105350988 B CN105350988 B CN 105350988B
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- tunnel base
- reinforcement means
- base reinforcement
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 29
- 239000002002 slurry Substances 0.000 claims abstract description 35
- 238000005553 drilling Methods 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 239000004568 cement Substances 0.000 claims abstract description 24
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 22
- 201000010099 disease Diseases 0.000 claims abstract description 16
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims abstract description 16
- 239000002689 soil Substances 0.000 claims abstract description 14
- 230000000630 rising effect Effects 0.000 claims abstract description 8
- 239000011435 rock Substances 0.000 claims abstract description 7
- 210000002435 tendon Anatomy 0.000 claims description 9
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
- 229920002521 macromolecule Polymers 0.000 claims description 7
- 241001669679 Eleotris Species 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 10
- 238000007596 consolidation process Methods 0.000 abstract description 7
- 238000011161 development Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 13
- 238000013461 design Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000233805 Phoenix Species 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of Tunnel Base reinforcement means, the Tunnel Base reinforcement means includes the following steps: step A, it drills at Disease in Tunnel Base, it is drilled into and penetrates concrete layer stopping, then accelerated cement slurries are poured into hole (1), to fill substrate cavity and/or damaged portion and/or part of rising soil；Step B continues drilling and gos deep into basement rock (8), then propose drilling rod (2) after the accelerated cement slurries poured into are in or are substantially at pre-hardening state；Step C is inserted into reinforcing rod (4) into hole, hydrophobicity grouting material is then poured into hole.Tunnel Base reinforcement means short construction period of the invention can also obtain preferable consolidation effect to lithic drainage development and the biggish Tunnel Base of base layer thickness.
Description
Technical field
The present invention relates to constructing tunnel fields, and in particular, to a kind of Tunnel Base reinforcement means.
Background technique
Tunnel Base is the bottom structure in tunnel, and solid consolidate of the bottom structure is the track or road guaranteed in tunnel
The most important condition of face kilter.For tunnel bottom due to durability design of structure weakness, Drainage Design is unreasonable, and construction technology lacks
It falls into, is of poor quality, routine servicing repairs not in place and tunnel bottom by vehicle power, groundwater erosion etc. repeatedly
The effect of natural and human factor, substrate often occur cracking, it is damaged, sagging, squeeze to outside two sides and frost boiling, emit phenomena such as mud.
By taking Foundation Base in Railway Tunnel as an example, there are different journeys in railway in operation (common, passenger-cargo and heavily loaded) tunnel bottom structure
Degree sinks, crowded and substrate such as is risen soil at the diseases outside ditch, leads to track structure state deteriorating.Such as: mixed passenger and freight railway is blue military
Two wires Wuqiaoling tunnel, Xikang line Qinling Tunnel, guizhou-guangxi-line are determined in the tunnels such as dam, the slope Yin Dong tunnel, Sui-Yu Railway dragon and phoenix without the tiny fragments of stone, coal, etc.
Once there is different degrees of rhegma in track, and part location Tunnel Base disease of rising soil occurs, brings to the maintenance in later period
Numerous difficulties；Under the Long-term Vibration percussion of heavy haul train, Base pond is tighter for the Qun Dynasty, north yellow heavy haul railway tunnel
Weight, wherein the tunnels such as tunnels, Datong-Qinhuangdao Railway agglomerate point, Jundu Shan Mountain, nine mountains, the scape loyalty mountain such as the long Liangshan of north yellow line, fountain gulf and Zhang Jiaping
Road substrate occurs different degrees of hanging the empty, diseases such as sink, rise soil.These diseases can all cause gauge deviation, rail
And joint breaking.
Therefore, the disease of Tunnel Base adversely affects the operation of tunnel line and the comfort of passenger, when serious
Even jeopardize traffic safety.Currently, for above-mentioned tunnel bottom disease mostly use greatly conventional railway roadbed substrate slip casting, railway roadbed overhaul and
Railway roadbed substrate exchange filling formula is handled.
Railway roadbed substrate slip casting method mainly use drilling machine drill downwards until design requirement depth, be inserted into Grouting Pipe with
The mode of static pressure grouting carries out consolidation process to substrate.It is this method construction is simple, convenient, fast, the strong of stratum can be effectively improved
Degree, but consolidation effect is poor on the location of lithic drainage development.
Railway roadbed overhauls method and mainly construction beam (such as D type beam) is used to make somebody a mere figurehead track structure, cuts breakage using pneumatic pick
Then new concrete is perfused in concrete, the method larger workload, repairs relatively slow (repairing apart from general 5~6m or so), disturbance
It is larger, the normal operation of vehicle is influenced, will cause huge economic loss.
The characteristics of railway roadbed substrate cushion is construction is simple, but its there are biggish limitations, specifically, work as substrate
Base layer thickness it is larger when, it is also relatively large to change the amount of filling out, and substrate slope excavating will also take corresponding supporting measure, from
If the two aspects of economy and safety comprehensively consider, the tunnel deeper to basal layer just seems less suitable using this method
It closes, and this method is relatively suitable for the tunnel that base clay layer depth is 2.0-5.0m.
The above consolidation process mode there are aiming at the problem that, patent document CN103510532A discloses a kind of based on assembly
The railway tunnel bottom defect treatment technology of formula beam slab stake, using restained beam overhead transmission line, to bottom at the construction location of beam
Carry out cutting slotting；It drills according to the position of stake；It is embedded to after prefabricated pile in the borehole, carries out cementing operations；To
After the intensity of prefabricated pile slurries reaches design requirement, by prefabricated erection on stake, beam upper berth prefabricated board, restore railway ballast and
Route.Although this method can accelerate the speed of application of Disease Treatment, in use or need partially to excavate mixed
Solidifying soil layer, and consolidation effect is poor on the location without solving the problems, such as lithic drainage development.
Summary of the invention
The object of the present invention is to provide a kind of Tunnel Base reinforcement means, short construction periods, to lithic drainage development and base
The biggish Tunnel Base of plinth thickness degree can also obtain preferable consolidation effect.
To achieve the goals above, the present invention provides a kind of Tunnel Base reinforcement means, including the following steps:
Step A drills at Disease in Tunnel Base, is drilled into and penetrates concrete layer stopping, fast condensate is then poured into hole
Slurry liquid, to fill substrate cavity and/or damaged portion and/or part of rising soil；
Step B continues drilling and gos deep into base after the accelerated cement slurries poured into are in or are substantially at pre-hardening state
Then rock proposes drilling rod；
Step C is inserted into reinforcing rod into hole, and hydrophobicity grouting material is then poured into hole.
Preferably, in the step A, the outer wall of the drill bit used in drilling has fin.
Preferably, the fin is arranged in the shape of a spiral.
Preferably, in the step A, the accelerated cement slurries are poured by the hollow cavity of drilling rod.
Preferably, in the step A, the accelerated cement slurries are waterglass cement slurry or TGRM slurries.
Preferably, in the step C, the reinforcing rod is tendon.
Preferably, the tendon to be formed to be fixed together by more spirals.
Preferably, in the step C, the hydrophobicity grouting material is macromolecule polyurethane grouting material.
Preferably, the multiple holes formed after the drilling are in quincunx or square arrangement.
Preferably, the hole between adjacent sleeper and is located on the outside of the track.
The difference is that, Tunnel Base reinforcement means provided by the invention is first with existing Tunnel Base reinforcement means
It first drills at Disease in Tunnel Base, injects accelerated cement slurries after penetrating concrete layer, substrate cavity or broken can be filled
Damage part or part of rising soil, and underground water is arranged, after waiting the initial set of accelerated cement slurries, continues drilling and go deep into base
Rock, then reinforcing rod is inserted in the hole, and pour into hydrophobicity grouting material, to fill the portion that do not filled by accelerated cement slurries
Point, and underground water is arranged, while reinforcing rod and hole wall being fixed together, so as to improve the stress performance of Tunnel Base, mention
High substrate-loading ability, prevents substrate from sinking.Since reinforcement means of the invention does not need to excavate substrate or supporting is taken to arrange
It applies, overhauls method and railway roadbed substrate cushion relative to railway roadbed, construction period is shorter, and due to being using drilling and filling cement
The mode of filling hydrophobicity grouting material is reinforced again after slurry, to lithic drainage development and base layer thickness biggish Tunnel Base
Preferable consolidation effect can also be obtained.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the Tunnel Base hole structure schematic diagram of Tunnel Base reinforcement means of the present invention；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the structural schematic diagram of the drill bit and drilling rod that can be used in Tunnel Base reinforcement means of the present invention；
Fig. 4 is the distribution of boreholes schematic diagram of Tunnel Base reinforcement means of the present invention；
Fig. 5 is the structural schematic diagram for the reinforcing rod of Tunnel Base reinforcement means of the present invention used；
Description of symbols
1 hole, 2 drilling rod
21 hollow cavities 22 grouting mouth
3 drill bit, 31 fin
4 reinforcing rod, 5 spiral
6 track, 61 sleeper
7 concrete layer, 8 basement rock
9 disease areas
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, left and right " typically refers to
Tunnel Base involved in the present invention is up and down, and consistent with direction shown in attached drawing 1." inside and outside " refers to relative to each
The profile of components itself it is inside and outside.
Firstly the need of explanation, the present invention is intended to provide a kind of Tunnel Base reinforcement means, by Tunnel Base disease
Accelerated cement slurries are poured into after harm drilling, are continued to drill after accelerated cement slurries initial set, are inserted into reinforcing rod and hydrophobic is perfused
Property grouting material, the stress performance of substrate can be improved while not excavating substrate, well adapt to lithic drainage development and
The reinforcing of the biggish Tunnel Base of base layer thickness.In this range of the technology design, Tunnel Base reinforcement means of the present invention is not
It is confined to specific detail structure shown in Fig. 1-5.
Suitably referring to Fig. 1-Fig. 2, in order to realize above-mentioned technical purpose of the invention, the tunnel of basic embodiment of the present invention
Bottom stab ilization method may include the following steps:
Step A drills at Disease in Tunnel Base, is drilled into and penetrates concrete layer stopping, fast condensate is then poured into hole 1
Slurry liquid, to fill substrate cavity and/or damaged portion and/or part of rising soil；
Step B continues drilling and gos deep into base after the accelerated cement slurries poured into are in or are substantially at pre-hardening state
Then rock 8 proposes drilling rod 2；
Step C is inserted into reinforcing rod 4 into hole, hydrophobicity grouting material is then poured into hole.
Tunnel Base reinforcement means provided by the invention by injection accelerated cement slurries, can fill substrate cavity or
Damaged portion or part of rising soil, underground water is arranged, and by being inserted into reinforcing rod in hole, hydrophobicity injection material is perfused
Material, can fill the part that do not filled by accelerated cement slurries, secondary to arrange underground water, while reinforcing rod and hole wall being consolidated
It connects together, so as to improve the stress performance of Tunnel Base, improves substrate-loading ability, prevent substrate from sinking.
Tunnel Base reinforcement means of the invention is in construction, refering to what is shown in Fig. 4, the multiple holes 1 formed after the drilling
It is preferred that being in quincunx or square arrangement.By using the hole 1 in quincunx or rectangular distribution, it can guarantee the grouting material poured into
It is uniformly distributed, and guarantees certain overlapping.
When arranging drilling, need first according to non-destructive testing as a result, determining Base pond range, then arrangement drills.
With reference to shown in Fig. 1, Fig. 4, reinforcing for Foundation Base in Railway Tunnel is needed to arrange in adjacent sleeper vacancy and is drilled, 1, the hole bored
Between adjacent sleeper 61 and it is located at 6 outside of track.
In embodiments of the present invention, refering to what is shown in Fig. 3, in the boring procedure of the step A, used drill bit
3 outer wall has fin 31.It, can be in drilling process by the mixed of the hole of brill by the way that fin 31 is arranged on the outer wall of drill bit 3
Solidifying soil inner wall plucking, to enable the hydrophobicity grouting material injected in subsequent step to combine closely with concrete, to improve
The bearing capacity of Tunnel Base.Preferably, in order to keep drill bit drilling process more smooth, the fin is arranged in the shape of a spiral.
In the present invention, when pouring into accelerated cement slurries into hole, in order to avoid accelerated cement slurries are attached to hole wall
Upper blocking hole, in the rapid A, the accelerated cement slurries are poured by the hollow cavity 21 of drilling rod 2.What is be wherein perfused is described
Accelerated cement slurries can be using waterglass cement slurry or TGRM slurries and all kinds of superfine cement slurries.
In step C of the invention, the reinforcing rod 4 of insertion can use the steel or nonmetallic pipe of various high intensity
Shape or rod-shaped material.In the present embodiment, the reinforcing rod 4 is preferably tendon.Reinforcing bar is common construction material, and
By way of tendon, the contact area with hydrophobicity grouting material can be increased, to combine closely with grouting material, mentioned
The bearing capacity of high Tunnel Base.Preferably, refering to what is shown in Fig. 5, the tendon is to be fixed on one by more spirals 5
It rises and is formed, the diameter of the spiral 5 used can be 18-22mm.Using spiral 5, it can be further improved and fill
The combination degree of pulp material.Wherein the fixed form of more reinforcing bars can preferably be used in the present invention using bundling or welding
Welding manner connection.
In the present invention, after being inserted into reinforcing rod 4 into hole, the hydrophobicity grouting material being perfused into hole is preferably high score
Sub- polyurethane grouting material.The underground water of substrate can will be arranged after in macromolecule polyurethane grouting material injection hole, prevent base
Bottom is risen soil, and filling substrate cavity improves the stress performance of bottom structure, improves substrate-loading ability, prevent substrate from sinking.
Meanwhile macromolecule polyurethane grouting material can consolidate empty slag (in rubble, the bits that construction period is formed), improve the whole of substrate
Body prevents substrate from sinking.
When macromolecule polyurethane grouting material is perfused, it is inserted into two groups of material respectively by suction tube and divides in bucket, in grouting pump
It is pumped into macromolecule polyurethane grouting material in filling gun, stratum is injected by filling gun, it is former
Material penetrates into crack, and then fast reaction achievees the purpose that reinforcing.
In the specific application of one kind of the invention, by 18~φ of φ 22 of several certain lengths first outside Tunnel
Spiral 5 is welded to each other together, forms a branch of tendon；Then according to non-destructive testing as a result, determine Base pond range,
And arranged and drilled in adjacent 61 vacancy of sleeper using drilling machine, the hole 1 bored in quincunx (with reference to shown in left part in Fig. 4) or
Rectangular (with reference to shown in right part in Fig. 4) arrangement, penetrates the stopping of concrete layer 7 when being drilled into, passes through the filling at 2 top of drilling rod immediately
Mouth 22 is starched by the hollow cavity 21 between fast solidifying slurries injection drill bit 3 and drilling rod 2, filling base concrete hangs empty, broken and frost boiling
Emit the diseases area such as mud part 9；It hangs in empty, broken and part of rising soil to coagulate slurries fastly and stablize 30 minutes to base concrete and be in
After pre-hardening state, continues drilling and go deep into the no less than 50cm of basement rock 8, reacting cycle proposes drilling rod 2, and takes out core sample, is subsequently inserted into weldering
The tendon connected, again by certain depth (about the 1/3 of the length of the bit) in drilling rod 2 and the insertion of drill bit 3 drilling 1；Recycle note
The nozzle of rifle injection macromolecule polyurethane grouting material, base concrete in grouting mouth 22 is penetrated to hang empty, broken and rise soil
After the diseases areas 9 such as part are filled, same reacting cycle proposes drilling rod 2, and stablizes 10 minutes to pouring material and (fill the strong of slurries
Degree reaches 10MPa) after, restore railway roadbed.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of Tunnel Base reinforcement means, characterized in that it comprises the following steps:
Step A drills at Disease in Tunnel Base, is drilled into and penetrates concrete layer stopping, then pours into accelerated cement into hole (1)
Slurries, to fill substrate cavity and/or damaged portion and/or part of rising soil；
Step B continues drilling and gos deep into basement rock after the accelerated cement slurries poured into are in or are substantially at pre-hardening state
(8), drilling rod (2) then are proposed；
Step C is inserted into reinforcing rod (4) into hole, hydrophobicity grouting material is then poured into hole.
2. Tunnel Base reinforcement means according to claim 1, which is characterized in that in the step A, make in drilling
The outer wall of drill bit (3) has fin (31).
3. Tunnel Base reinforcement means according to claim 2, which is characterized in that the fin is arranged in the shape of a spiral.
4. Tunnel Base reinforcement means according to claim 1, which is characterized in that in the step A, the fast condensate
Slurry liquid is poured by the hollow cavity (21) of drilling rod (2).
5. Tunnel Base reinforcement means according to claim 1, which is characterized in that in the step A, the fast condensate
Slurry liquid is waterglass cement slurry or TGRM slurries.
6. Tunnel Base reinforcement means according to claim 1, which is characterized in that in the step C, the reinforcing rod
It (4) is tendon.
7. Tunnel Base reinforcement means according to claim 6, which is characterized in that the tendon is to pass through more screw threads
Reinforcing bar (5) is fixed together to be formed.
8. Tunnel Base reinforcement means according to claim 1, which is characterized in that in the step C, the hydrophobicity
Grouting material is macromolecule polyurethane grouting material.
9. Tunnel Base reinforcement means according to claim 1, which is characterized in that the multiple holes formed after the drilling
It (1) is in quincunx or square arrangement.
10. Tunnel Base reinforcement means according to claim 9, which is characterized in that the hole (1) is located at adjacent sleeper
(61) between and it is located on the outside of track (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510862218.2A CN105350988B (en) | 2015-11-30 | 2015-11-30 | Tunnel Base reinforcement means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510862218.2A CN105350988B (en) | 2015-11-30 | 2015-11-30 | Tunnel Base reinforcement means |
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| CN105350988A CN105350988A (en) | 2016-02-24 |
| CN105350988B true CN105350988B (en) | 2019-09-13 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640153B (en) * | 2017-01-05 | 2019-02-15 | 中铁工程设计咨询集团有限公司 | A kind of railway tunnel basement rock working face processing method |
| EP3650603B1 (en) * | 2018-11-12 | 2021-08-11 | BAUER Spezialtiefbau GmbH | Method for producing a sealed base in the floor |
| CN109853519A (en) * | 2019-01-30 | 2019-06-07 | 山西三建集团有限公司 | The processing structure and processing method of ladder-like easy-weathering holystone layer substrate ground |
| CN111472805A (en) * | 2019-09-10 | 2020-07-31 | 西南交通大学 | Method for reinforcing rich-water tillite layer tunnel substrate |
| CN113969536A (en) * | 2021-10-11 | 2022-01-25 | 陕西聚博德新材料科技有限公司 | Tunnel roadbed slurry-turning disease treatment method |
| CN114409367A (en) * | 2021-12-31 | 2022-04-29 | 山西省交通科技研发有限公司 | Preparation and application of water-mud-outburst tunnel high polymer composite grouting material |
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|---|---|---|---|---|
| CN101871353A (en) * | 2010-06-22 | 2010-10-27 | 宋彦波 | Method for soft rock roadway grouting and full-length prestress baseboard anchor cable comprehensive support |
| JP2010255237A (en) * | 2009-04-23 | 2010-11-11 | Ohbayashi Corp | Method and structure for tunnel reinforcement |
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|---|---|---|---|---|
| JP2010255237A (en) * | 2009-04-23 | 2010-11-11 | Ohbayashi Corp | Method and structure for tunnel reinforcement |
| CN101871353A (en) * | 2010-06-22 | 2010-10-27 | 宋彦波 | Method for soft rock roadway grouting and full-length prestress baseboard anchor cable comprehensive support |
| CN102230382A (en) * | 2011-05-20 | 2011-11-02 | 中国矿业大学 | Progressive shielding booster-type grouting and reinforcing technology for baseboard |
| CN105019427A (en) * | 2015-07-03 | 2015-11-04 | 中国铁道科学研究院铁道建筑研究所 | Bolting-grouting integrated treatment method for railway tunnel base disease |
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| CN105350988A (en) | 2016-02-24 |
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