CN100567454C - A kind of macromolecular mud and configuration-system thereof - Google Patents

A kind of macromolecular mud and configuration-system thereof Download PDF

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Publication number
CN100567454C
CN100567454C CNB2008100361184A CN200810036118A CN100567454C CN 100567454 C CN100567454 C CN 100567454C CN B2008100361184 A CNB2008100361184 A CN B2008100361184A CN 200810036118 A CN200810036118 A CN 200810036118A CN 100567454 C CN100567454 C CN 100567454C
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China
Prior art keywords
mud
macromolecular
polyacrylamide
sylvite
soil
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CN101260303A (en
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周松
赵国强
陈立生
彭惠
沈成明
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Shanghai Urban Construction Municipal Engineering Group Co Ltd
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Shanghai No2 Municipal Engineering Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028—Aspects relating to the mixing step of the mortar preparation
    • C04B40/0039—Premixtures of ingredients
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00724—Uses not provided for elsewhere in C04B2111/00 in mining operations, e.g. for backfilling; in making tunnels or galleries

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Abstract

The present invention relates to the constructing tunnel class, be specifically related to a kind of macromolecular mud and configuration-system thereof, the shared weight percent of each component is respectively in the polymer slurries that described mud comprises: wilkinite is 3%～4%, Na 2CO 3Be 6%～10%, hydro-polyacrylamide PHPA is 0.2%～0.25%, polyacrylamide sylvite K-PAM is 0.2%～0.3%, anion surfactant LV-CMC is 1%～1.2%, hydrolyzed polyacrylonitrile sylvite KPAN is 0.6%～1%, all the other are water, its advantage is, make the filling system of whole macromolecular mud easy to operate, the technical indicator control stabilization of mud, can make shield engine in tunneling construction, can guarantee the stable of the face that excavates, sealing and plasticity-and the flowability of improving cutting soil, worm conveyor can be unobstructed soil is transferred out, guaranteed safety and the construction quality of whole shield structure in construction process.

Description

A kind of macromolecular mud and configuration-system thereof
Technical field
The present invention relates to the constructing tunnel class, be specifically related to a kind of macromolecular mud and configuration-system thereof.
Background technology
The shield structure is understood backbreak (or owing to dig) and the disturbance of the non-quantitative that the soil body is on every side caused in progradation, make tunnel axis neighbouring ground and underground structure cause a certain amount of settlement influence.Traditional method is adopt traditional bentonite slurry and the excavation face of foam mud processing in the special formation tunneling construction stable, sealing and plasticity-and the flowability of improving the soil of cutting, the deficiency of this method is that balancing earth-pressure shielding machine is in bad ground sandy gravel stratum when driving particularly, because the sandy gravel stratum void ratio is bigger, the soil of cutting can not very fast formation have certain plasticity-and flowability, make the excavation face of EPBM when tunneling construction can not form a comparatively stable balanced surface, simultaneously can not produce the sealing effect, and because the soil that cuts can not very fast formation have certain plasticity-and flowability, make being unearthed of worm conveyor of shield excavation machine can not be very smooth, bring very big unfavorable factor for the Construction control of shield excavation machine.
Summary of the invention
The objective of the invention is provides a kind of macromolecular mud and configuration-system thereof according to above-mentioned the deficiencies in the prior art part, by a certain proportion of polymer slurries of configuration in mud, has realized the balance and stability of excavation face, has well improved the performance of soil.
The object of the invention realizes being finished by following technical scheme:
A kind of macromolecular mud comprises the polymer slurries, it is characterized in that described polymer slurries comprise following component, and the shared weight percent of each component is respectively: wilkinite is 3%～4%, Na 2CO 3Be 6%～10%, hydro-polyacrylamide PHPA is 0.2%～0.25%, polyacrylamide sylvite K-PAM is 0.2%～0.3%, anion surfactant LV-CMC is 1%～1.2%, hydrolyzed polyacrylonitrile sylvite KPAN is 0.6%～1%, all the other are water.
Described polymer slurries proportion in the mud total amount is no more than 30%.
The technical indicator of described mud: funnel viscosity is that 35～40s, density are 1.1～1.25g/cm 3, API filtration is 15～20ml.
Perfusion position when described mud is used is the excavation face place in the tunneling shield construction.
A kind of configuration-system of macromolecular mud, it is characterized in that this system comprises slurry storing tube, high-shear pump, mixes slurry tube, Rinsing Area, wherein the macromolecular mud material enters and mixes the slurry tube after proportioning is handled through high-shear pump from slurry storing tube according to the rules, and Rinsing Area is communicated with mixes the slurry tube.
The described slurry tube size of mixing is 10m 3
Advantage of the present invention is, make the filling system of whole macromolecular mud easy to operate, the technical indicator control stabilization of mud, simultaneously since in the macromolecular mud high molecular effect can be comparatively fast cut with balancing earth-pressure shielding machine that the soil that gets off combine and the soil of formation with certain plasticity-and flowability rapidly, thereby make shield engine in tunneling construction, can guarantee stable, the sealing of the face that excavates and plasticity-and the flowability of improving cutting soil, worm conveyor can be unobstructed soil is transferred out, guaranteed safety and the construction quality of whole shield structure in construction process.
Description of drawings
Accompanying drawing 1 is formed synoptic diagram for configuration-system of the present invention;
Embodiment
Feature of the present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that technician's of the same trade understanding:
As shown in Figure 1, label 1-15 represents respectively: slurry storing tube 1, ball valve 2, high-shear slurrying pump 3, ball valve 4, tensimeter 5, ball valve 6, check valve 7, mix slurry tube 8, ball valve 9, grouting pump 10, tensimeter 11, under meter 12, check valve 13, mix slurry system 14, filling system 15.
Present embodiment the integral part of macromolecular mud in 100 cubical water: contain 3～4 tons wilkinite, 7 tons Na 2CO 3,, 0.2 ton hydro-polyacrylamide PHPA, 0.2 ton polyacrylamide sylvite K-PAM, 1 ton anion surface activity CMC-LV, 0.8 ton hydrolyzed polyacrylonitrile sylvite KPAN.
PHPA in the said components is a hydro-polyacrylamide, and molecular weight is at 100-300 about ten thousand, and degree of hydrolysis about 30% works drilling cuttings dispersion, the effect of flocculation drilling cuttings of suppressing in composition; K-PAM is a polyacrylamide sylvite, is commonly called as big potassium, works drilling cuttings dispersion, anti-collapse, the flocculation drilling cuttings effect of suppressing in prescription; The effect of CMC-LV is to reduce filter loss, improves mud cake quality; KPAN is a hydrolyzed polyacrylonitrile sylvite, and PHPA, K-PAM are had diluting effect, and the effect of the filter loss of reduction is arranged simultaneously.
The configuration-system of above-mentioned macromolecular mud mainly is made up of high-shear slurrying pump 3, slurry storing tube 1, Rinsing Area, ball valve 2,4,6,9, tensimeter 5,11, check valve 7, wherein the macromolecular mud material is after proportioning is handled through high-shear pump from slurry storing tube according to the rules, enter and mix the slurry tube, Rinsing Area is communicated with mixes the slurry tube.High-shear slurrying pump 3 in the macromolecular mud compounding system can prepare mud in 20 minutes, at first closing 6 ball valves, open ball valve 2,4, inject a certain proportion of water in the slurry storing tube, open high-shear slurrying pump 3, and move 3 minutes, in the charging opening of high-shear slurrying pump 3, add the macromolecular mud material for preparing by a certain percentage and move 20～30 minutes, the macromolecular mud material fully is dissolved in the water, then mud is detected.Detect good after, close upper ball valve 4, open ball valve 6, open high-shear slurrying pump 3 subsequently the slurry transportation for preparing mixed the interior agitator of slurry tube 8 to mixing 8 li in slurry tube, opening simultaneously.Mud to be prepared all is transported to mixed the slurry tube at 8 o'clock, closed high-shear slurrying pump 3, opened ball valve 9, opens grouting pump 10 mud is injected in the mud filling orifice of development machine.
To adopt the mud of said system configuration to carry out performance measurement, and adjust in the following ranges: funnel viscosity 35-40s, density 1.1～1.25g/cm 3, API filtration 15～20ml.
According to the proportioning of circulating mud, specifically use the characteristic of soil layer according to difference, macromolecular mud accounts for 30% of total amount at most in the mud, magnitude of recruitment is 5%, magnitude of recruitment be no more than 10 sides/hour, the size of mixing slurry tube 8 according to magnitude of recruitment is chosen to be 10m 3
Bad ground in the earth pressure balanced shield, EPBS tunneling process that present embodiment is applicable to is mainly used full face layer of sand, gravel stratum and complicated compound stratum (referring to that sandy gravel stratum, layer of sand and other soil layers mix the stratum).
Present embodiment adopts macromolecular mud to inject the performance of stablizing, improve cutting soil of balance excavation face at the excavation face place of earth pressure balanced shield, EPBS construction.

Claims (3)

1. macromolecular mud, comprise the polymer slurries, it is characterized in that described polymer slurries proportion in the mud total amount is no more than 30%, described polymer slurries comprise following component, and the shared weight percent of each component is respectively: wilkinite is 3%～4%, Na 2CO 3Be 6%～10%, hydro-polyacrylamide PHPA is 0.2%～0.25%, polyacrylamide sylvite K-PAM is 0.2%～0.3%, anion surfactant LV-CMC is 1%～1.2%, hydrolyzed polyacrylonitrile sylvite KPAN is 0.6%～1%, all the other are water, and the molecular weight of described hydro-polyacrylamide is 100-300 ten thousand.
2. a kind of macromolecular mud according to claim 1, it is characterized in that the technical indicator of described mud: funnel viscosity is that 35～40s, density are 1.1～1.25g/cm 3, API filtration is 15～20ml.
3. a kind of macromolecular mud according to claim 1 is characterized in that the perfusion position when described mud is used is the excavation face place that constructs at tunneling shield.
CNB2008100361184A 2008-04-16 2008-04-16 A kind of macromolecular mud and configuration-system thereof Active CN100567454C (en)

Priority Applications (1)

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CNB2008100361184A CN100567454C (en) 2008-04-16 2008-04-16 A kind of macromolecular mud and configuration-system thereof

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Application Number Priority Date Filing Date Title
CNB2008100361184A CN100567454C (en) 2008-04-16 2008-04-16 A kind of macromolecular mud and configuration-system thereof

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CN100567454C true CN100567454C (en) 2009-12-09

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103074070B (en) * 2013-01-28 2015-06-17 中国地质大学（北京） Earth pressure balance shield slurry conditioner and preparation method thereof
CN103396807A (en) * 2013-07-24 2013-11-20 东莞市明洁隧道建设材料有限公司 Intelligent muck suspending agent
CN104712855A (en) * 2013-12-11 2015-06-17 上海煤气第一管线工程有限公司 Grouting mixed cement slurry and pipe structure
CN104291775B (en) * 2014-08-28 2017-01-25 阳铁机械（杭州）有限公司 Ni Kexiao used for shield tunneling machine and construction method
CN107199640A (en) * 2016-03-16 2017-09-26 上海天颢实业有限公司 A kind of slurry shield slurry modulating device
CN106285524B (en) * 2016-08-26 2019-07-26 陕西陕煤黄陵矿业有限公司 To drilling macromolecular mud dreg removing system, method and macromolecular mud under coal mine
CN107053457A (en) * 2017-06-05 2017-08-18 中铁十八局集团有限公司 Shield pulping equipment and its pulping process
CN109652038A (en) * 2018-12-26 2019-04-19 上海城建市政工程（集团）有限公司 A kind of anti-collapse slurries of tunnelling

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
新型泥浆技术在地下工程中的应用与发展. 周松，赵国强.中国土木工程学会第十二届年会暨隧道及地下工程分会第十四届年会，第增刊期. 2006
新型泥浆技术在地下工程中的应用与发展. 周松，赵国强.中国土木工程学会第十二届年会暨隧道及地下工程分会第十四届年会，第增刊期. 2006 *
苏拉马都大桥钻孔桩泥浆性能研究. 王建，任文峰.筑路机械与施工机械化，第02期. 2007
苏拉马都大桥钻孔桩泥浆性能研究. 王建，任文峰.筑路机械与施工机械化，第02期. 2007 *

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Owner name: SHANGHAI URBAN CONSTRUCTION MUNICIPAL ENGINEERING

Free format text: FORMER NAME: SHANGHAI NO.2 MUNICIPAL ENGINEERING CO., LTD.

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Address after: 200232 Xuhui District, Liuzhou Wu Road, Lane No. 13, No. 3, No.

Patentee after: Shanghai urban construction Municipal Engineering (Group) Co., Ltd.

Address before: 200232 Xuhui District, Liuzhou Wu Road, Lane No. 13, No. 3, No.

Patentee before: Shanghai No.2 Municipal Engineering Co., Ltd.