CN104291775B - Ni Kexiao used for shield tunneling machine and construction method - Google Patents
Ni Kexiao used for shield tunneling machine and construction method Download PDFInfo
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- CN104291775B CN104291775B CN201410428152.1A CN201410428152A CN104291775B CN 104291775 B CN104291775 B CN 104291775B CN 201410428152 A CN201410428152 A CN 201410428152A CN 104291775 B CN104291775 B CN 104291775B
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- Prior art keywords
- shield machine
- gross weight
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- tunneling machine
- shield tunneling
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- 238000010276 construction Methods 0.000 title abstract description 3
- 230000005641 tunneling Effects 0.000 title abstract 7
- 230000000694 effects Effects 0.000 claims abstract description 26
- 239000002689 soil Substances 0.000 claims abstract description 20
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000001913 cellulose Substances 0.000 claims abstract description 15
- 229920002678 cellulose Polymers 0.000 claims abstract description 15
- 239000002734 clay mineral Substances 0.000 claims abstract description 15
- 239000002270 dispersing agent Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 235000019353 potassium silicate Nutrition 0.000 claims description 17
- 230000015572 biosynthetic process Effects 0.000 claims description 14
- 238000003786 synthesis reaction Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000012407 engineering method Methods 0.000 claims description 7
- 230000001174 ascending effect Effects 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 4
- 229960000892 attapulgite Drugs 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- 229910052625 palygorskite Inorganic materials 0.000 claims description 2
- 229920002401 polyacrylamide Polymers 0.000 claims description 2
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims 1
- 230000008961 swelling Effects 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 15
- 239000007924 injection Substances 0.000 abstract description 15
- 239000000243 solution Substances 0.000 abstract description 15
- 238000005266 casting Methods 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 230000008093 supporting effect Effects 0.000 abstract 2
- 239000011575 calcium Substances 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 239000000084 colloidal system Substances 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 231100000956 nontoxicity Toxicity 0.000 abstract 1
- 239000003381 stabilizer Substances 0.000 abstract 1
- 238000013461 design Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004500 asepsis Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention relates to a Ni Kexiao with characteristics of no toxicity and environmental protection used for casting machines on a shield tunneling machine or the shield tunneling machine with reconstructing equipment, and the invention also provides a construction method. The Ni Kexiao is a peripheral filling material used for tunnel engineering, and is composed of synthesized calcium-based clay mineral, a cellulose derivative agent, a colloid stabilizing agent and a dispersant. The Ni Kexiao has the advantages that 1)when dangerous condition such as settlement. cavity and spouting is generated at time that the shield tunneling machine is used for tunneling, the characteristics such as sealing up, filling and supporting of the material can instantly reach the remedy effect, the cost is not expensive, and the usage mode is simple and fast; and 2)other expensive equipment are not required, a high speed mixer on the shield tunneling machine can be conveniently used for mixing a solution, the solution and soluble glass can be injected through a pump, an injection valve group and an injection pipe to a filling hole over a soil chamber or peripheral inlets of the shield tunneling machine for mixing and injecting, so that the sealing up, filling and supporting effects can be effectively reached.
Description
Technical field
The present invention relates to one kind both asepsis environment-protectings, and and can be used for the grouting equipment on shield machine or carry out few modifications
The shield machine of equipment gram mud effect and an engineering method, are mainly used in Tunnel Engineering periphery filler, belong to packing material and manufacture field.
Background technology
If meet with Tunnel Engineering at present stratum settlement, cavity or be soft stratum, soil self-disciplining poor it
Environment, in order to engineering is smoothly and safely it will usually take the means of ground improvement, such as: using ccp, jsg, cjg etc. on ground
High-pressure grouting engineering method；Or to measures such as shield first injection cement mortars.Its weak point: the above-mentioned practice not only takes additionally big
The manpower and materials of amount, and it is also possible to injecting the error such as excessive because of slurry, and the abrasion of the cutter leading to, this is to construction party
For, this can cause the duration and count very big burden in advance in.
Content of the invention
Purpose of design: avoid the weak point in background technology, design one kind both asepsis environment-protectings, and and can be used for shield machine
On grouting equipment or carry out the shield machine of few modifications equipment gram mud effect and an engineering method.
Design: in order to realize above-mentioned purpose of design.The present invention is derived using synthesis calcio clay mineral, cellulose
Agent, deflocculant and dispersant constitute a gram mud effect, and generate solution after this gram of mud effect material and a certain proportion of water mixing,
Again solution is injected with biliquid formula grouting equipment and waterglass (sodium silicate) fills up hole to soil, this material exists
Sealing, support, there is brilliance in filling.Based on above-mentioned effect, many different usages can be derived, during as originated
Produce soil pressure in advance and prevent gushing, cheat stable native storehouse soil pressure during interior shutdown, fuselage surrounding soil is difficult when cladding, prow sinking
Stance adjustment, goes out minimizing ground disturbance and sealing etc. when cheating, to avoid occurring work beyong contemplation to pacify surprisingly.
Technical scheme 1: a kind of shield machine gram mud effect is by synthesis calcio clay mineral, cellulose derivating agent, colloid-stabilised
Agent and dispersant are constituted, wherein: synthesis calcio clay mineral accounts for the 98%～99% of gross weight, and cellulose derivating agent accounts for gross weight
0.5%～1.5%, deflocculant accounts for the 0.4%～0.8% of gross weight, and dispersant accounts for the 0.1%～0.3% of gross weight.
Technical scheme 2: a kind of shield machine gram mud effect engineering method, it is characterized in that: in high-speed mixer, add the application to weigh 1 institute
Gram mud effect stated and 1 cubic metre of water to generate solution, more former than waterglass 20 to 1 with solution by variable frequency pump, effusion meter
Then, the waterglass in simultaneous pumping solution and waterglass tub be injected into after being mixed to biliquid ascending pipe soil aperture with
Reach effect.
The present invention is compared with background technology, if one is to settle when shield machine tunnels, cavity, the dangerous situation such as gush
When, reaching that the characteristic such as the sealing of this material, filling and support can be instant is remedied, and will not produce prohibitively expensive expenditure,
Occupation mode also simple and fast；Two is need not in addition to add other expensive equipment, can easily use the height on shield machine
Fast mixer come to realize this solution mixing, and via pump, injection valve group and ascending pipe to inject solution and waterglass to Tu Cang
Square hand-hole or shield machine surrounding are mixed forward to mouth and are injected, and effectively reach the effect of sealing, filling and support.
Brief description
Fig. 1 is the injection device route schematic diagram of the present invention, 1. high-speed mixer, 2. variable frequency pump in wherein Fig. 1,3. flows
Gauge, 4. waterglass tub, 5. biliquid ascending pipe.
Fig. 2 is that the present invention is used for hand-hole position view on soil formula shield machine, 6. injects above native storehouse in wherein Fig. 2
Hole, 7. forward to hole.
Fig. 3 is that the present invention is used for hand-hole position view on slurry type shield machine, 1. 8. notes below native storehouse in wherein Fig. 3
Enter hole, 9. plus slurry valve, 10. mud valve, (11) by-pass operation.
Specific embodiment
Embodiment 1: a kind of shield machine gram mud effect, by synthesis calcio clay mineral, cellulose derivating agent, deflocculant
Constitute with dispersant, wherein: synthesis calcio clay mineral accounts for the 98%～99% of gross weight, and cellulose derivating agent accounts for gross weight
0.5%～1.5%, deflocculant accounts for the 0.4%～0.8% of gross weight, and dispersant accounts for the 0.1%～0.3% of gross weight.Described synthesis
Calcio clay mineral refers to bentonite and attapulgite.Described cellulose derivating agent refers toCarboxymethyl cellulose.Described dispersant
Refer to polyacrylamide.
Embodiment 1-1: on the basis of embodiment 1, synthesis calcio clay mineral accounts for the 98% of gross weight, and cellulose derives
Agent accounts for the 1.5% of gross weight, and deflocculant accounts for the 0.4%% of gross weight, and dispersant accounts for the 0.1% of gross weight.
Embodiment 1-2: on the basis of embodiment 1, synthesis calcio clay mineral accounts for the 99% of gross weight, and cellulose derives
Agent accounts for the 0.5% of gross weight, and deflocculant accounts for the 0.4%～0.8% of gross weight, and dispersant accounts for the 0.1% of gross weight.
Embodiment 1-3: on the basis of embodiment 1, synthesis calcio clay mineral accounts for the 98% of gross weight, and cellulose derives
Agent accounts for the 0.9% of gross weight, and deflocculant accounts for the 0.8% of gross weight, and dispersant accounts for the 0.3% of gross weight.
Embodiment 1-4: on the basis of embodiment 1, synthesis calcio clay mineral accounts for the 98.2% of gross weight, and cellulose spreads out
Raw agent accounts for the 1.0% of gross weight, and deflocculant accounts for 0.6 % of gross weight, and dispersant accounts for the 0.2% of gross weight.
Embodiment 1-5: on the basis of embodiment 1, synthesis calcio clay mineral accounts for the 98.5% of gross weight, and cellulose spreads out
Raw agent accounts for the 0.85% of gross weight, and deflocculant accounts for the 0.50% of gross weight, and dispersant accounts for the 0.15% of gross weight.
Embodiment 2: on the basis of embodiment 1, a kind of shield machine gram mud effect engineering method, add this Shen in high-speed mixer
The water that please weigh the effect of gram mud described in 1 with 1 cubic metre to generate solution, then by variable frequency pump, effusion meter with solution than waterglass 20
Principle than 1, the waterglass in simultaneous pumping solution and waterglass tub is injected into soil after being mixed to biliquid ascending pipe
Earth hole is to reach effect.Gram mud effect material described in the application power 1, after mixing with waterglass, can become one kind and only have
Water, support, the fat clay of filling performance, viscosity is about 300dpas.
In FIG, the present invention is added to generate solution with a certain proportion of water in 1 high-speed mixer, then by 2 frequency conversions
Pump, 3 effusion meters with solution than waterglass 20 to 1 principle, the waterglass in simultaneous pumping solution and 4 waterglass tubs is to 5 pairs
Liquid ascending pipe is being mixed and to be injected into soil aperture to reach effect.
Different injection phases under different demands, will be had to be respectively described below below:
1st, front gush, cavity when: by hand-hole injection above in Fig. 26 native storehouses.Must be fully populated with, now should
Rotation cutting blade disk, to stir soil sand, is stablized or is gone after stopping retention of excessive fluid again after soil pressure and tunnel.
2nd, fuselage by and lead to sedimentation when: by Fig. 27 forward to hole injection.Just can suppress to sink after being fully populated with,
Reinject injecting paste material afterwards.
Stablize soil pressure: soil formula (Fig. 2) and mud water type (Fig. 3) explanation can be divided into when the 3, shutting down
(1) soil formula: by hand-hole injection above in Fig. 26 native storehouses.Observe soil pressure data while being entered by screw machine
Row casting, now should rotate cutting blade disk to stir soil sand.
(2) mud water type: by hand-hole injection below in Fig. 38 native storehouses.First turn on 9 to add slurry valve, 11 by-pass operations and close
Close 10 mud valves, after confirming digging face stable water pressure, by the hand-hole injection present invention below 8 native storehouses.
When the 4th, shutting down, prow sinks: in Fig. 2,7 forward to the injection of hole (lower section) place.Inject while slow using jack
Slow adjustment prow returns in situ.
5th, originate: by hand-hole injection above in Fig. 26 native storehouses.Fill up minute surface frame and Tu Cang to produce after leading soil pressure
Row driving, reinjects high-strength injection pulp material after minute surface frame again.
6th, go out hole: by Fig. 27 forward to hole injection.Before reaching ground improvement area, fuselage surrounding persistently injects the present invention extremely
Go out hole and can improve sealing to reduce the chance gushed.
It is to be understood that: although above-described embodiment is contrasted to the mentality of designing of the present invention, detailed word is retouched
State, but these word descriptions, simply the simple text of mentality of designing of the present invention is described, rather than to mentality of designing of the present invention
Restriction, any combination, increase or modification without departing from mentality of designing of the present invention, each fall within protection scope of the present invention.
Claims (5)
1. an a kind of shield machine gram mud effect, it is characterized in that by synthesis calcio clay mineral, cellulose derivating agent, deflocculant and
Dispersant is constituted, wherein: synthesis calcio clay mineral accounts for the 98%～99% of gross weight, and cellulose derivating agent accounts for the 0.5% of gross weight
～1.5%, deflocculant accounts for the 0.4%～0.8% of gross weight, and dispersant accounts for the 0.1%～0.3% of gross weight；Its shield machine use gram
Mud imitates engineering method: add an above-mentioned gram mud effect to generate solution with a certain proportion of water in high-speed mixer, then by variable frequency pump, stream
Gauge with solution than waterglass 20 to 1 principle, the waterglass in simultaneous pumping solution and waterglass tub is to biliquid ascending pipe
Soil aperture is injected into reach effect after being mixed.
2. a shield machine according to claim 1 gram mud effect, is characterized in that: described synthesis calcio clay mineral refers to swelling
Soil and attapulgite.
3. a shield machine according to claim 1 gram mud effect, is characterized in that: described cellulose derivating agent refers to that carboxymethyl is fine
Dimension element.
4. a shield machine according to claim 1 gram mud effect, is characterized in that: described dispersant refers to polyacrylamide.
5. a shield machine according to claim 1 gram mud effect, is characterized in that: described gram of mud effect material is through mixing with waterglass
After conjunction, a kind of fat clay with sealing, support, filling performance can be become, viscosity is 300dpas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410428152.1A CN104291775B (en) | 2014-08-28 | 2014-08-28 | Ni Kexiao used for shield tunneling machine and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410428152.1A CN104291775B (en) | 2014-08-28 | 2014-08-28 | Ni Kexiao used for shield tunneling machine and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104291775A CN104291775A (en) | 2015-01-21 |
| CN104291775B true CN104291775B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410428152.1A Ceased CN104291775B (en) | 2014-08-28 | 2014-08-28 | Ni Kexiao used for shield tunneling machine and construction method |
Country Status (1)
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| CN (1) | CN104291775B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106007639B (en) * | 2016-05-19 | 2018-09-21 | 佛山市泰迪斯材料有限公司 | A kind of preparation method of high viscosity thixotropy mud |
| CN106593451A (en) * | 2016-12-22 | 2017-04-26 | 上海三瑞高分子材料股份有限公司 | Clay shock material for controlling settlement of shield-tunneled soil body |
| CN107459324B (en) * | 2017-08-11 | 2019-09-24 | 山东大学 | A kind of shield anti-stratum settlement shell packing material and preparation method thereof |
| CN108101493B (en) * | 2018-01-11 | 2021-03-19 | 东莞市明洁隧道建设材料有限公司 | Yini mud with high consistency and high viscosity for shield |
| CN110157446A (en) * | 2019-05-13 | 2019-08-23 | 中铁第五勘察设计院集团有限公司 | A kind of dispersing agent and preparation method thereof for improveing clay |
| CN111706341A (en) * | 2020-06-30 | 2020-09-25 | 郑州地铁集团有限公司 | Construction method for soil pressure balance shield to penetrate large-diameter sewage main pipe downwards |
| CN113153321B (en) * | 2021-03-30 | 2023-03-14 | 中建八局轨道交通建设有限公司 | Muck improvement system for shield construction and construction method thereof |
| CN114477946B (en) * | 2022-04-19 | 2022-09-09 | 天津大学 | Filling and sinking control material for shield construction |
| CN117720311B (en) * | 2024-02-07 | 2024-04-12 | 中国矿业大学(北京) | Shield excavation gap advanced grouting material, full-gap space-time synchronous grouting system and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5479908A (en) * | 1977-12-07 | 1979-06-26 | Dai Ichi Kogyo Seiyaku Co Ltd | Composition of backkfilling material for method of construction of shield propulsion |
| CN100567454C (en) * | 2008-04-16 | 2009-12-09 | 上海市第二市政工程有限公司 | A kind of macromolecular mud and configuration-system thereof |
| CN102249642A (en) * | 2011-05-04 | 2011-11-23 | 湖南宏禹水利水电岩土工程有限公司 | Thixotropic pasty grout containing clay slurry and preparation method thereof |
| CN102603220B (en) * | 2012-04-01 | 2013-12-18 | 昌吉市先导工程材料有限责任公司 | Preparation of polymer composite gelling agent for grouting and application method thereof |
| CN102757199A (en) * | 2012-07-10 | 2012-10-31 | 捷高科技（苏州）有限公司 | Polymer and bentonite drilling mud |
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2014
- 2014-08-28 CN CN201410428152.1A patent/CN104291775B/en not_active Ceased
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| CN104291775A (en) | 2015-01-21 |
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