CN106012733B - High embankment roadbed packaging type reinforcement curing - Google Patents
High embankment roadbed packaging type reinforcement curing Download PDFInfo
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- CN106012733B CN106012733B CN201610300790.4A CN201610300790A CN106012733B CN 106012733 B CN106012733 B CN 106012733B CN 201610300790 A CN201610300790 A CN 201610300790A CN 106012733 B CN106012733 B CN 106012733B
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 61
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 89
- 210000003205 muscle Anatomy 0.000 claims abstract description 53
- 239000002689 soil Substances 0.000 claims abstract description 48
- 238000007711 solidification Methods 0.000 claims abstract description 34
- 230000008023 solidification Effects 0.000 claims abstract description 34
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- 239000000945 filler Substances 0.000 claims abstract description 8
- 238000012423 maintenance Methods 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 238000007689 inspection Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 21
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 12
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 12
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 12
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 10
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 7
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 6
- 239000001110 calcium chloride Substances 0.000 claims description 6
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 6
- 235000012241 calcium silicate Nutrition 0.000 claims description 6
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 6
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000003818 cinder Substances 0.000 claims description 6
- 239000010881 fly ash Substances 0.000 claims description 6
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000391 magnesium silicate Substances 0.000 claims description 6
- 229910052919 magnesium silicate Inorganic materials 0.000 claims description 6
- 235000019792 magnesium silicate Nutrition 0.000 claims description 6
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 6
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 6
- 239000011780 sodium chloride Substances 0.000 claims description 6
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 6
- 235000011152 sodium sulphate Nutrition 0.000 claims description 6
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- 239000010440 gypsum Substances 0.000 claims description 3
- 229910052602 gypsum Inorganic materials 0.000 claims description 3
- 229920004933 Terylene® Polymers 0.000 claims description 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000005864 Sulphur Substances 0.000 claims 1
- 235000011941 Tilia x europaea Nutrition 0.000 claims 1
- 150000001805 chlorine compounds Chemical class 0.000 claims 1
- 239000004571 lime Substances 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 238000009490 roller compaction Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000004062 sedimentation Methods 0.000 description 7
- 238000001723 curing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000292 calcium oxide Substances 0.000 description 5
- 235000012255 calcium oxide Nutrition 0.000 description 5
- 238000011049 filling Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 239000006071 cream Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 125000005581 pyrene group Chemical group 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Paleontology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Architecture (AREA)
- Road Paving Structures (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
A kind of high embankment roadbed packaging type reinforcement curing, it is as follows：Cure earth material to make：Solidification earth material is made of soil-solidified-agent and filler soil uniform stirring；Muscle material is laid with：Muscle material horizontal cross arrangement overall with is completely laid on the sub-layer surface after leveling, will be fixed TGXG and is drawn paving frontier inspection to look into straightening toward front, muscle material is flattened and stretched；Solidification earth material paves：Solidification earth material layering paves on TGXG, every layer pave uniformly after roller-compaction, roll, wrap up reinforcement solidified earth and fill absolute altitude；Wrap up lacing wire：Both lateral sides reserve the upward inflection of reinforcement section muscle material and are wrapped in certain length on the outside of solidification earth material, are connected using lacing wire item between both sides inflection muscle material and are equidistantly laid longitudinal, formed reinforcement and cure inclusion enclave；Maintenance molding：Covering scene soil or capping geomembrane carry out maintenance 7 14 days above reinforcement solidification inclusion enclave.The present invention has the light-duty reinforced structure of good compatibility of deformation, can mitigate dead weight, effectively reduces the bearing capacity to ground.
Description
Technical field
The present invention relates to a kind of high embankment roadbed packaging type reinforcement curings.
Background technology
Reinforced earth is that the Victors French engineer Henry (HenriVidal) were proposed in 1963.Nineteen sixty-five, in method
The pula Nie Ersi of state's Pyrenees builds seat of honour reinforced soil retaining wall.1967, reinforced earth technology was known as reinforcement soil by Japan
Engineering method, and be generalized in the engineering constructions such as railway, highway and side slope.The U.S. just carries out reinforced earth technology since 1969 and grinds
Study carefully, built within 1970 First Reinforced Material with Clay Engineering, American Society of Civil Engineers (ASCE) in 1978 has held " reinforcement in city of Pittsburgh
Native Study on Friction Coefficient meeting ".This subsequent new reinforced earth technology grows rapidly and promotes and applies in various countries.Nineteen eighty-two, 37
5000 multinomial Reinforced Material with Clay Engineering of a country's construction, and be generalized to building basis, railroad embankment, dykes and dams, shore protection, abutment etc.
In field.
Reinforced earth is that the higher geosynthetics of tensile strength is embedded in soil to form an effective reinforcement-soil composite construction,
Muscle material is laid in the soil body along stretching strain direction, and the frictional force generated with the interaction of muscle material mainly by soil controls soil deformation,
Soil body tensile property, shearing strength are improved, the reinforcement technique of soil body mechanical property is improved.Existing widely applied reinforced earth technology,
It is generally mostly aligned in soil using traditional horizontal reinforced earth technology muscle material, layering reinforcement layering is banketed, and can only be controlled
The horizontal displacement (lateral deformation) of the soil body processed, and soil body vertical displacement (sedimentation and deformation) is not controlled, more it is not achieved whole to the soil body
Body or the effect of contraction of other orientation deformation, it is also possible to exist since reinforcement spacing and level generate plane of weakness and reinforcement level
Between there is bulging phenomenon, cause roadbed slope similar sugarcoated haws phenomenon occur.And packaging type reinforced earth technology muscle material overall with is completely spread
Level is laid with, and both sides muscle material wraps up rollback certain length, can not only limit the horizontal displacement of the soil body, also can control the perpendicular of the soil body
To displacement, it has engineering mechanics property more better than general reinforced earth and overall stability.Therefore, it is suitable for solving building work
The problem on deformation often occurred in journey.
Currently, still continue the traditional thought of reinforced earth and solidified earth single reinforcing in terms of China's subgrade strengthening, and for packet
Formula reinforcement is wrapped up in cure this special composite reinforcing method there has been no clearly stipulate that should consider that engineering is practical to take object as far as possible
The reinforcing effect for managing reinforcement method (packaging type reinforcement) and the common composite consolidation of chemical reinforcement method (soil-solidified-agent), for research
Subgrade strengthening design method provides effective way, also can effectively solve control of the rail traffic to roadbed sedimentation and deformation, especially
The control of short distance differential settlement difference.
Invention content
Based on the above shortcoming, the present invention provides a kind of high embankment roadbed packaging type reinforcement curing, can fully send out
Reinforcement is waved to act in high embankment and soil quality dam engineering.
The technology used in the present invention is as follows：A kind of high embankment roadbed packaging type reinforcement curing, is as follows：
Step 1, solidification earth material make：Solidification earth material is made of soil-solidified-agent and filler soil uniform stirring, soil solidification
Agent is the 3-8% of filler dry ground weight；
Step 2, muscle material are laid with：Muscle material horizontal cross arrangement overall with is completely laid on the sub-layer surface after leveling, will be consolidated
Set TGXG draws paving frontier inspection to look into straightening toward front, ensures the flattening of muscle material and stretches；
Step 3, solidification earth material pave：Solidification earth material layering paves on TGXG, every layer pave uniformly after roll
Molding, it is from muscle material middle part is laid with to both sides, until reaching package reinforcement solidified earth fills absolute altitude to roll sequence；
Step 4 wraps up lacing wire：Both lateral sides are reserved the upward inflection of reinforcement section muscle material and are wrapped on the outside of solidification earth material centainly
Length is connected between both sides inflection muscle material using lacing wire item and is equidistantly laid longitudinal, formed reinforcement and cure inclusion enclave；
Step 5, maintenance molding：Covering scene soil or capping geomembrane are conserved above reinforcement solidification inclusion enclave, are conserved
7-14 days, close traffic is answered during maintenance, and no thoroughfare for vehicles, waits for that this layer of reinforcement solidified earth inclusion texture reaches design strength
Carry out next layer of laying；It is laid with multilayer reinforcement solidification inclusion enclave successively by above step, successively superposition is until reach embankment design
Absolute altitude is in close contact superposition between levels inclusion enclave muscle material and constitutes interaction integral reinforced structure.
The present invention also has following technical characteristic：
1, the TGXG is biaxial tension Plastics Geogrids or/and the two-way terylene TGXG of warp knit.
2, the soil-solidified-agent, by ratio of weight and the number of copies, formula include as follows：4-10 parts of gypsum, quick lime 10-15
Part, 15-24 parts of flyash, 32-45 parts of blast-furnace cinder, 16-32 parts of silicate, 4-8 parts of chloride and 8-15 parts of sulfate.
3, the silicate includes the mixture of dicalcium silicate, magnesium silicate and alumina silicate, weight ratio 3:2-3:2-4.
4, the chloride includes the mixture of calcium chloride, sodium chloride and magnesium chloride, weight ratio 3-5:2-4:2.
5, the sulfate includes the mixture of aluminum sulfate, sodium sulphate and magnesium sulfate, weight ratio 2:2-4:2-3.
The invention has the advantages that and advantageous effect：
The present invention is the mixed structure that the light-duty mixture of soil-solidified-agent is combined with muscle material TGXG, wherein TGXG
For reticular structure, solidification earth material can be made to be enhanced about more than once with muscle material interface friction intensity, incorporation soil-solidified-agent can reduce soil
30% or more body dead weight, effectively reduces foundation's settlement.Soil-solidified-agent can effectively solve that activity itself is poor, plastic shrinkage is big
Soil particle surface can be cohered and be chemically reacted with the aluminium silicate mineral in particle by soil stabilization problem at normal temperatures
Gum material is generated, compared with traditional rendzinas and soil cement, with higher intensity and water stability, to a large amount of
Construction applied to infrastructure such as traffic, water conservancy, environment, harbour, airports.Solidified earth has just as roadbed improved materials
Ground materials reduce sandstone dosage, non-environmental-pollution, save the advantages that project cost.But there are also problems for solidified earth, since it is dry
Contracting characteristic is also easy to produce crack, leads to strength reduction, impervious and frost resistance is poor, and it is crack that the tensile splitting strength of solidified earth is low
The immediate cause of generation prevents contraction fissure, improves the durability of solidfied material to improve the intensity of solidified earth.Therefore, sharp
The method reinforced jointly with packaging type reinforcement and soil-solidified-agent, the two have good cohesive force, the horizontal reinforcement of muscle material and two
Package action is held, its tensile splitting strength is greatly improved, curing agent is promoted and applied in engineering has very strong practice
Meaning.After muscle material reinforcement, it is originally used for the significant material of brittleness, is changed into the elasticoplastic body material of activeness and quietness, hence it is evident that subtract
Crack caused by few solidified earth plastic shrinkage effectively enhances its elasticity modulus, compression strength, tensile strength and buckling strength, curved
Roll over the performances such as toughness, impervious and frost resistance, endurance and durability.Packaging type reinforcement curing technology is from overall space reinforcing machine
Reason angle filler is effectively handled, change general reinforcement method formed in the soil body some potential Weak faces with cannot
The deficiencies of inhibiting except lateral displacement.Wherein, soil-solidified-agent can make up the low disadvantage of single reinforcement intensity, and geosynthetics is again
The single defect being solidificated in performance can be solved, dry and cracked microgroove phenomenon easily occurs, effectively solves soil strength and disease hidden danger not
Foot.
Horizontal direction muscle material section can inhibit the horizontal displacement of the soil body in packaging type reinforcement solidified earth, and muscle material returns the formation one of envelope
Flexible panel generates " from anchor " effect, and both sides package volume section not only enhances the lateral restriction of the soil body, can also control the soil body
Vertical displacement, reduce the sedimentation, lateral deformation and sliding of high side slope of embankment, the reinforcement solidified earth after package is layering and makes
Up and down interfacial friction enhancing, can uniform soil deformation, reduce high embankment Vertical Settlement, lateral deformation and sliding development,
Enhance embankment overall stability.Muscle material is impacted small in packaging type reinforcement solidified earth under Train induced load effect, and the drawing of muscle material is answered
Power increase is small, shows good damping property.This is because muscle material belongs to flexible material, being combined with the soil body has good change
Shape harmony, it is possible to provide tensile stress makes the soil body show three dimension stress state, improves the vibration resistance and bearing capacity of subgrade soils.This
Invention is the method that muscle material and solidified earth mixture return packet superposition layer by layer, can effectively slow down deformation, has good compatibility of deformation
Light-duty reinforced structure, dead weight can be mitigated, saved the area, effectively reduce to the bearing capacity of ground, reduce the shadow to ambient enviroment
The advantages that ringing saves material, cheap, construction is simple conveniently, applied widely, has been generalized to dykes and dams, basis, roadbed
Etc. engineerings, development prospect and formed industrialization value it is very huge.
Description of the drawings
Fig. 1 is that packaging type reinforcement cures construction drawing.
Specific implementation mode
The present invention under certain humidity conditions, soil texture agent is mixed in roadbed filling according to a certain percentage, is fully mixed
Uniform and roller-compaction is closed, is chemically reacted by structural agent ingredient and water, mineral, is generated largely with strong compared with high-ductility
It spends, colloid composition and the crystallization hyrate that micro-expansibility and chemical inertness are big, the filling of cement, native gap as soil particle
Object, to achieve the purpose that implement effectively solidification consolidation process to subgrade soils；And with soil texture agent and with packaging type reinforcement skill
Art has very big strengthening action to the soil body and the soil body after solidification is made to show whole mechanical characteristic, hydraulic characteristic well,
Achieve the purpose that the lateral deformation and the sedimentation and deformation that effectively limit roadbed.
Embodiment 1
Packaging type reinforcement solidification construction procedure of the present invention is as follows：
Step 1, solidification earth material make：Solidification earth material 1 is made of soil-solidified-agent and filler soil uniform stirring, and soil is solid
Agent is the 3-8% of filler dry ground weight；Water content is the more 2-3% of optimum moisture content, increase 2-3% be soil-solidified-agent with
Needed for roadbed filling chemical reaction；Soil-solidified-agent raw material is by weight ratio：8 parts of gypsum, 10 parts of quick lime, flyash 20
Part, 36 parts of blast-furnace cinder, dicalcium silicate, magnesium silicate and alumina silicate 3:2:30 parts of 3 mixture, calcium chloride, sodium chloride and chlorination
Magnesium 3:4:5 parts of 2 mixture, aluminum sulfate, sodium sulphate and magnesium sulfate 2:4:9 parts of 3 mixture.
Step 2, muscle material are laid with：Muscle material 2 is paved on sub-layer, laying method, both sides muscle material are completely spread using lateral overall with
Reserved certain length rollback, inflection back-pressure width are more than 2m.Both sides muscle material lacing wire is connected it is integral, ensure without it is damaged with
Connector, muscle material are laid with spacing and are chosen for 30-50cm.Two muscle material junctions, longitudinal lap joint 15-20cm, transverse lap 10-15cm,
It is bound in lap-joint with iron wire, the U-shaped nail in TGXG end is fixed on ground every 1.5-2.0m, will be fixed with paving machine
Good TGXG slowly pulls forward paving, and straightening need to manually be tensed by being often laid with 10m, kept flattening and stretched, close inspection making matter
Amount, the earth material of backfill solidification in time.
Step 3, solidification earth material pave：Filling material is made using solidification earth material, using field mix process, ensures mixture as possible
Uniformity should not contain the granule more than 10mm or more, and place should keep smooth solid, using mixing and stirring, transport, pave, be compacted
Quick construction technology successively, construction temperature are controlled at 5 DEG C or more.Construction machinery cannot be transported in the rib tape for not covering solidification earth material
Row is strictly avoided directly rolling muscle material and be bulldozed along the direction that muscle material is laid with, and ensures that solidification earth material thickness is more than on muscle material
The side 15cm can carry out construction machinery operation or roll.Cure earth material between muscle material pave, be compacted using layering, paving thickness is equal
It is even, it is maintained between 15mm-20mm, flat surface, compaction in layers, compactness is not lower than 95%, and it is from laying to roll sequence
Muscle material middle part, tail portion, front.
Step 4 wraps up lacing wire：Both lateral sides are reserved the upward inflection of reinforcement section muscle material and are wrapped on the outside of solidification earth material centainly
Length is connected between both sides inflection muscle material using lacing wire item 3 and is equidistantly laid longitudinal, formed reinforcement and cure inclusion enclave；
Step 5, maintenance molding：Covering scene soil or capping geomembrane are conserved above reinforcement solidification inclusion enclave, are conserved
7-14 days, close traffic is answered during maintenance, and no thoroughfare for vehicles, waits for that this layer of reinforcement solidified earth inclusion texture reaches design strength
Carry out next layer of laying；It is laid with multilayer reinforcement solidification inclusion enclave successively by above step, successively superposition is until reach embankment design
Absolute altitude is in close contact superposition between levels inclusion enclave muscle material and constitutes interaction integral reinforced structure.
Points for attention：
1, it with the reduction of muscle material spacing, returns the face horizontal displacement of packet reinforcement and is substantially reduced, can effectively inhibit slope surface " bulge ",
If but reinforcement spacing is too small, also will appear overreinforced phenomenon, increases cost and difficulty of construction.It should be preferably rational according to engineering demand
Reinforcement spacing suitably can control lateral deformation using reinforcement spacing is reduced.
2, it the ends muscle material Man Pu and returns packet end and often will appear sedimentation jumping phenomenon, but since muscle material " string bag effect " satisfies the need
Base sedimentation has fine inhibiting effect.But muscle material only returns a bit of length of packet, though soil body overall stiffness can be improved, it is separate to return packet section
The soil body but will appear sedimentation and slightly improve；So that overall deformation has driven non-reinforcement section to go out within the scope of geo-grid reinforcement when destroying
Existing large deformation, so, return packet section muscle material answer it is longer.
Embodiment 2
The present embodiment step is same as Example 1, the difference is that, soil-solidified-agent raw material is by weight ratio：Stone
6 parts of cream, 12 parts of quick lime, 18 parts of flyash, 42 parts of blast-furnace cinder, dicalcium silicate, magnesium silicate and alumina silicate 3:3:2 mixture
28 parts, calcium chloride, sodium chloride and magnesium chloride 4:3:7 parts of 2 mixture, aluminum sulfate, sodium sulphate and magnesium sulfate 2:2:3 mixture
12 parts.
Embodiment 3
The present embodiment step is same as Example 1, the difference is that, soil-solidified-agent raw material is by weight ratio：Stone
4 parts of cream, 14 parts of quick lime, 22 parts of flyash, 45 parts of blast-furnace cinder, dicalcium silicate, magnesium silicate and alumina silicate 3:3:4 mixture
16 parts, calcium chloride, sodium chloride and magnesium chloride 3:3:4 parts of 2 mixture, aluminum sulfate, sodium sulphate and magnesium sulfate 2:3:3 mixture
10 parts.
Embodiment 4
The present embodiment step is same as Example 1, the difference is that, soil-solidified-agent raw material is by weight ratio：Stone
10 parts of cream, 15 parts of quick lime, 15 parts of flyash, 34 parts of blast-furnace cinder, dicalcium silicate, magnesium silicate and alumina silicate 3:2:4 mixing
24 parts of object, calcium chloride, sodium chloride and magnesium chloride 5:3:8 parts of 2 mixture, aluminum sulfate, sodium sulphate and magnesium sulfate 2:3:2 mixing
14 parts of object.
Claims (5)
1. a kind of high embankment roadbed packaging type reinforcement curing, which is characterized in that be as follows：
Step 1, solidification earth material make：Solidification earth material is made of soil-solidified-agent and filler soil uniform stirring, and soil-solidified-agent is
The 3-8% of filler dry ground weight；The soil-solidified-agent, by ratio of weight and the number of copies, formula include as follows：4-10 parts of gypsum, life
10-15 parts of lime, 15-24 parts of flyash, 32-45 parts of blast-furnace cinder, 16-32 parts of silicate, 4-8 parts of chloride and sulfate 8-
15 parts；
Step 2, muscle material are laid with：Muscle material horizontal cross arrangement overall with is completely laid on the sub-layer surface after leveling, will be fixed
TGXG draws paving frontier inspection to look into straightening toward front, ensures the flattening of muscle material and stretches；
Step 3, solidification earth material pave：Solidification earth material layering paves on TGXG, every layer pave uniformly after be rolled into
Type rolls sequence as from being laid in the middle part of muscle material to both sides, absolute altitude is filled up to reaching package reinforcement solidified earth；
Step 4 wraps up lacing wire：Both lateral sides reserve the upward inflection of reinforcement section muscle material and are wrapped in certain length on the outside of solidification earth material,
It is connected using lacing wire item between both sides inflection muscle material and is equidistantly laid longitudinal, formed reinforcement and cure inclusion enclave；
Step 5, maintenance molding：Covering scene soil or capping geomembrane are conserved above reinforcement solidification inclusion enclave, conserve 7-14
It, close traffic is answered during maintenance, and no thoroughfare for vehicles, waits for that this layer of reinforcement solidified earth inclusion texture reaches design strength progress
Next layer of laying；It is laid with multilayer reinforcement solidification inclusion enclave successively by above step, is successively superimposed up to reaching embankment design absolute altitude,
It is in close contact superposition between levels inclusion enclave muscle material and constitutes interaction integral reinforced structure.
2. a kind of high embankment roadbed packaging type reinforcement curing according to claim 1, it is characterised in that：The soil
Work grid is biaxial tension Plastics Geogrids or/and the two-way terylene TGXG of warp knit.
3. a kind of high embankment roadbed packaging type reinforcement curing according to claim 1, it is characterised in that：The silicon
Hydrochlorate includes the mixture of dicalcium silicate, magnesium silicate and alumina silicate, weight ratio 3:2-3:2-4.
4. a kind of high embankment roadbed packaging type reinforcement curing according to claim 1, it is characterised in that：The chlorine
Compound includes the mixture of calcium chloride, sodium chloride and magnesium chloride, weight ratio 3-5:2-4:2.
5. a kind of high embankment roadbed packaging type reinforcement curing according to claim 1, it is characterised in that：The sulphur
Hydrochlorate includes the mixture of aluminum sulfate, sodium sulphate and magnesium sulfate, weight ratio 2:2-4:2-3.
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| CN107338692A (en) * | 2017-08-25 | 2017-11-10 | 湖北工业大学 | Rice hull ash Reinforced subgrade and its construction method |
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| CN106894442A (en) * | 2017-03-02 | 2017-06-27 | 湖北工业大学 | A kind of reinforced sand soil barricade and construction method |
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| CN111005278B (en) * | 2019-12-23 | 2021-09-14 | 重庆交通大学 | Rapid repairing and reinforcing method for locally-reinforced embankment |
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| CN201254724Y (en) * | 2008-08-13 | 2009-06-10 | 中铁二院工程集团有限责任公司 | Geogrid vegetation surface retaining wall |
| JP5604801B2 (en) * | 2009-03-17 | 2014-10-15 | 吉澤石灰工業株式会社 | Soil solidifying material and soil solidifying method |
| CN101851928B (en) * | 2010-06-08 | 2011-06-29 | 中国科学院地质与地球物理研究所 | Method for improving and protecting collapsible loess slope project |
| CN102634343B (en) * | 2012-03-27 | 2014-03-12 | 北京市劳动保护科学研究所 | Mineral slag based soil stabilizer and preparation method and application thereof |
| CN103774514B (en) * | 2014-01-10 | 2015-10-07 | 江苏中瑞路桥建设有限公司 | A kind of prefabricated tubular pile embankment structure and construction method thereof |
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| CN107338692A (en) * | 2017-08-25 | 2017-11-10 | 湖北工业大学 | Rice hull ash Reinforced subgrade and its construction method |
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