CN106592615A - Deviation rectification construction method for inclined sink - Google Patents
Deviation rectification construction method for inclined sink Download PDFInfo
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- CN106592615A CN106592615A CN201611062968.2A CN201611062968A CN106592615A CN 106592615 A CN106592615 A CN 106592615A CN 201611062968 A CN201611062968 A CN 201611062968A CN 106592615 A CN106592615 A CN 106592615A
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- open caisson
- lifting hole
- injection pressure
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- 238000010276 construction Methods 0.000 title claims abstract description 36
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 18
- 239000011575 calcium Substances 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 238000005553 drilling Methods 0.000 claims description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 239000002689 soil Substances 0.000 claims description 39
- 238000002347 injection Methods 0.000 claims description 38
- 239000007924 injection Substances 0.000 claims description 38
- 238000012937 correction Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 18
- 239000011083 cement mortar Substances 0.000 claims description 15
- 230000008961 swelling Effects 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 239000004576 sand Substances 0.000 claims description 10
- 239000004927 clay Substances 0.000 claims description 8
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 6
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 6
- 238000011161 development Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 2
- 210000004556 brain Anatomy 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims 1
- 235000017550 sodium carbonate Nutrition 0.000 claims 1
- 239000004568 cement Substances 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000006703 hydration reaction Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 150000001669 calcium Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000887 hydrating effect Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/08—Lowering or sinking caissons
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/08—Lowering or sinking caissons
- E02D23/14—Decreasing the skin friction while lowering
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D35/00—Straightening, lifting, or lowering of foundation structures or of constructions erected on foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D35/00—Straightening, lifting, or lowering of foundation structures or of constructions erected on foundations
- E02D35/005—Lowering or lifting of foundation structures
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a deviation rectification construction method for an inclined sink and discloses a basement concrete equal-height-beam construction method. The deviation rectification construction method is characterized in that forced landing holes with the diameters of 75-120 mm and the spaces of 1.5-2.2 m are formed in the side, sinking slowly, of a sink, lifting holes with the diameters of 60-90 mm, the spaces of 1.8-2.5 m and the depths of 2.2-2.5 times of the height of the sink are formed in the side, sinking quickly, of the sink, the lifting holes are arranged into two rows, cement paste with the water-cement ratio of 0.45-0.5 is injected into the lifting holes and doped with a calcium sulphoaluminate expanding agent, the deviation rectification sequence is that forced landing is performed at first and then lifting is performed, and forced landing and lifting adopt informationized construction.
Description
Technical field
The present invention relates to deviation rectification construction method, more particularly to a kind of to incline open caisson deviation rectification construction method.
Background technology
Easily occur inclining during open caisson construction, to be rectified a deviation after inclination of open caisson, traditional open caisson deviation rectification method has digging
Local method and increase external loads method, shoveling method is cut the earth to the slow one side that sinks more, increases the space between caisson cutting edge and soil,
It is promoted to sink.To sinking, fast one side is optionally cut the earth less, is not cut the earth or mound, and heap rammed earth, increases sinking frictional resistance,
Slow down subsidence velocity.It is to increase load in the slow side of well sinking to increase external loads method, while hollow out under its cutting shoe, with
Profit overcomes frictional resistance to correct deflection.The problems of these conventional arts are difficult to control in work progress, and correction is easy
Exceed the proper limits in righting a wrong.
The content of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of incline open caisson deviation rectification construction method
To ensure rectifying effect.
The present invention arranges forced landing hole in the slow side of well sinking, and forced landing bore dia is 75～120mm, and forced landing pitch of holes is
1.5～2.2m, forming forced landing hole using bore mode makes caisson wall reduce with its surrounding soil frictional force, in boring procedure
Constantly water filling makes well sinking, and correction technique is instructed using intelligent control method, and rig drilling speed and water injection pressure are according to soil property
It is adjusted with correction speed.
Lifting hole being set in well sinking fast side, lifting bore dia is 60～90mm, lifting pitch of holes is 1.8～
2.5m, lifting hole depth is 2.2～2.5 times of open caisson height, and lifting hole adopts two rows, and two row's lifting hole arrangement parameters are using such as
Under：First row lifting hole is vertical, and first row lifting hole is 500～700mm from open caisson Edge Distance, and second row lifting hole is to incline
Tiltedly, gradient is 60～70 degree, and here gradient refers to lifting hole and horizontal angle, and second row lifting hole is from open caisson edge
Distance is 1000～1200mm；Two row's lifting hole arrangement parameters can also adopt as follows：First row lifting hole is inclination, gradient
For 60～70 degree, first row lifting hole is 1000～1200mm from open caisson Edge Distance, and second row lifting hole is inclination, gradient
For 60～70 degree, second row lifting hole and first row lifting hole are arranged in parallel, and second row lifting hole is from open caisson Edge Distance
1500～1700mm；Cement mortar is injected in lifting hole, and the cement mortar ratio of mud is 0.45～0.5, and it is swollen that cement mortar mixes calcium sulphoaluminate class
Swollen dose, hydration reaction occurs into after the soil body mixed with the cement mortar of calcium sulphoaluminate class swelling agent, foundation soil body in hydration process
Product expansion, to open caisson lifting force is produced, and the volume of calcium sulphoaluminate class swelling agent is directly related with the lifting force of open caisson, mixed with sulphur aluminium
The cement mortar of sour calcium class swelling agent has not only acted as the effect of expansion lifting into after the soil body, and serves compacted compacting work
With with the setting expansion of the cement mortar of calcium sulphoaluminate class swelling agent, foundation soil body packing substantially increases, and compressibility reduces.
The volume of calcium sulphoaluminate class swelling agent determines according to open caisson amount, when Uplifting amount is more than or equal to 100mm, the expansion of calcium sulphoaluminate class
The volume of agent is 7%；More than 50mm and during less than 100mm, the volume of calcium sulphoaluminate class swelling agent is 6% to Uplifting amount；Uplifting amount
During less than 50mm, the volume of calcium sulphoaluminate class swelling agent is 5%.
Correction order is first to be force-landed, then carries out lifting, and forced landing or lifting adopt information-aided construction, at the top of open caisson
Cloth displacement sensor, displacement transducer is connected with computer carries out Based Intelligent Control, and displacement transducer transfers data to electricity immediately
Brain, computer often sinks according to the data of collection or lifting 2mm draws a curve, and provides correction speed according to the slope of curve,
Analysis correction development trend.
Penetration rate and water injection pressure are adjusted according to soil property and fall rate in forced landing work progress, when open caisson bottom
For muck soil, when fall rate is less than or equal to 0.02mm/min, rig drilling speed is less than or equal to 120r/min and is more than
110r/min, water injection pressure is 1.3MPa；When the soil property that drills is muck soil, fall rate is more than 0.02mm/min and is less than
During 0.03mm/min, less than or equal to 110r/min and more than 100r/min, water injection pressure is 1.3MPa to rig drilling speed；Work as drilling
When soil property is muck soil, when fall rate is more than or equal to 0.03mm/min, rig drilling speed less than or equal to 100r/min and
More than 90r/min, water injection pressure is 1.3MPa；
When open caisson bottom is clay, and fall rate is less than or equal to 0.02mm/min, rig drilling speed is less than or equal to
90r/min and more than 80r/min, water injection pressure is 1.2MPa；When drilling soil property is clay, fall rate is more than 0.02mm/min
And during less than 0.03mm/min, less than or equal to 80r/min and more than 75r/min, water injection pressure is 1.2MPa to rig drilling speed；When
Drilling soil property is clay, and when fall rate is more than or equal to 0.03mm/min, rig drilling speed is less than or equal to 75r/min and is more than
70r/min, water injection pressure is 1.2MPa；
When open caisson bottom is silt, and fall rate is less than or equal to 0.02mm/min, rig drilling speed is less than or equal to
70r/min and more than 65r/min, water injection pressure is 1.1MPa；When drilling soil property is silt, fall rate is more than 0.02mm/min
And during less than 0.03mm/min, less than or equal to 65r/min and more than 60r/min, water injection pressure is 1.1MPa to rig drilling speed；When
Drilling soil property is silt, and when fall rate is more than or equal to 0.03mm/min, rig drilling speed is less than or equal to 60r/min and is more than
55r/min, water injection pressure is 1.1MPa；
When open caisson bottom is sand, and fall rate is less than or equal to 0.02mm/min, rig drilling speed is less than or equal to
55r/min and more than 50r/min, water injection pressure is 1.0MPa；When drilling soil property is sand, fall rate is more than 0.02mm/min
And during less than 0.03mm/min, less than or equal to 50r/min and more than 45r/min, water injection pressure is 1.0MPa to rig drilling speed；When
Drilling soil property is sand, and when fall rate is more than or equal to 0.03mm/min, rig drilling speed is less than or equal to 45r/min and is more than
40r/min, water injection pressure is 1.0MPa；
In silt or sand, open caisson can be difficult to, and can adopt following technical measures：Pore-forming passes through note after finishing
Slurry pipe injects the water mixed with montmorillonite, mixes in water and pass through at once after 1%～2% montmorillonite Grouting Pipe hand-hole
In, the bead that a diameter of 3～5mm is expanded to after montmorillonite access aperture is attached to open caisson wall, makes sliding friction be changed into rolling
Friction, reduces hole wall frictional force, is conducive to correction to tell on.If there is drifting sand layer in geology, mix 2%～3% it is pure
Alkali improving slurry consistency, receive ion to change the sub- hydrating capacity of grogs by increase.
Using interval construction, i.e., first construction finishes the lifting hole of odd indexed, then the lift of even number sequence number of constructing for lifting construction
Hole is risen, sequence number carries out from left to right layout, prevent adjacent lifting hole from closely influencing each other in construction excessively or lifting hole slurry because of pitch-row
Liquid expansive force discharges and affects correcting and then reinforcing effect.Construct after finishing through the interval of 20～30min in the lifting hole of odd indexed
The lifting hole of even number sequence number of constructing again after the time, it is therefore an objective to which allowing swelling stress to obtain certain release guarantees rectifying effect.
The present invention has the advantages that rectifying effect is good, safe and reliable, with preferable application prospect.
Description of the drawings
Fig. 1 is open caisson deviation rectification horizontal layout schematic diagram one, and Fig. 2 is that open caisson deviation rectification facade arranges schematic diagram one, and Fig. 3 is open caisson
Correction horizontal layout schematic diagram two, Fig. 4 is that open caisson deviation rectification facade arranges schematic diagram two.
Accompanying drawing mark：1st, force-land hole, 2, lifting hole, 3, open caisson.
Specific embodiment
The present embodiment is described in detail below in conjunction with accompanying drawing.
Embodiment one
Fig. 1 is open caisson deviation rectification horizontal layout schematic diagram one, and Fig. 2 is that open caisson deviation rectification facade arranges schematic diagram one.The present embodiment
The side for sinking slow in open caisson 3 arranges forced landing hole 1, and force-land a diameter of 80mm in hole 1, and the forced landing spacing of hole 1 is 1.7m, using drilling side
Formula forms forced landing hole 1 makes the borehole wall of open caisson 3 reduce with its surrounding soil frictional force, and the continuous water filling in boring procedure is made under open caisson 3
It is heavy, instruct correction technique, rig drilling speed and water injection pressure to be adjusted according to soil property and correction speed using intelligent control method
It is whole.
The side for sinking fast in open caisson 3 arranges lifting hole 2, and a diameter of 70mm in lifting hole 2, the depth of lifting hole 2 is heavy for 2.2 times
The height of well 3, the spacing of lifting hole 2 is 2m, and lifting hole 2 adopts two rows, and the arrangement parameter of two row's lifting hole 2 is using as follows：First row is lifted
It is vertical to rise hole 2, and first row lifting hole 2 is 600mm from the Edge Distance of open caisson 3, and to incline, gradient is in second row lifting hole 2
65 degree, second row lifting hole 2 is 1100mm from the Edge Distance of open caisson 3；Cement mortar is injected in lifting hole 2, and the cement mortar ratio of mud is
0.45, cement mortar mixes calcium sulphoaluminate class swelling agent.Uplifting amount is 70mm, and the volume of calcium sulphoaluminate class swelling agent is 6%.
Correction order is first to be force-landed, then carries out lifting, and forced landing or lifting adopt information-aided construction, push up in open caisson 3
Portion's cloth displacement sensor, displacement transducer is connected with computer carries out Based Intelligent Control, and displacement transducer is transferred data to immediately
Computer, computer often sinks according to the data of collection or lifting 2mm draws a curve, and provides correction speed according to the slope of curve
Rate, analysis correction development trend.
Penetration rate and water injection pressure are adjusted according to soil property and fall rate in forced landing work progress, the bottom of open caisson 3
For clay, when fall rate is less than or equal to 0.02mm/min, rig drilling speed is less than or equal to 90r/min and more than 80r/min,
Water injection pressure is 1.2MPa；More than 0.02mm/min and during less than 0.03mm/min, rig drilling speed is less than or equal to fall rate
80r/min and more than 75r/min, water injection pressure is 1.2MPa；When fall rate is more than or equal to 0.03mm/min, rig drilling speed
Less than or equal to 75r/min and more than 70r/min, water injection pressure is 1.2MPa；
Using interval construction, i.e., first construction finishes the lifting hole 2 of odd indexed, then the lift of even number sequence number of constructing for lifting construction
Hole 2 is risen, sequence number carries out from left to right layout.Construct after finishing through the intermittent time of 20～30min in the lifting hole 2 of odd indexed
The lifting hole 2 of even number sequence number of constructing again afterwards.
Embodiment two
Fig. 3 is open caisson deviation rectification horizontal layout schematic diagram two, and Fig. 4 is that open caisson deviation rectification facade arranges schematic diagram two.
The present embodiment arranges forced landing hole 1 in the side that open caisson 3 sinks slow, and force-land a diameter of 80mm in hole 1, the spacing of hole 1 of force-landing
For 1.7m, forming forced landing hole 1 using bore mode makes the borehole wall of open caisson 3 reduce with its surrounding soil frictional force, in boring procedure
Constantly water filling makes open caisson 3 sink, and correction technique is instructed using intelligent control method, and rig drilling speed and water injection pressure are according to soil property
It is adjusted with correction speed.
The side for sinking fast in open caisson 3 arranges lifting hole 2, and a diameter of 70mm in lifting hole 2, the depth of lifting hole 2 is heavy for 2.3 times
The height of well 3, the spacing of lifting hole 2 is 2m, and lifting hole 2 adopts two rows, and the arrangement parameter of two row's lifting hole 2 is using as follows：First row is lifted
Hole 2 is risen to incline, gradient is 65 degree, and first row lifting hole 2 is 1100mm from the Edge Distance of open caisson 3, and second row lifting hole 2 is
Incline, gradient is 65 degree, and second row lifting hole 2 and first row lifting hole 2 are arranged in parallel, and second row lifting hole 2 is from the side of open caisson 3
Edge distance is 1600mm；Cement mortar is injected in lifting hole 2, and the cement mortar ratio of mud is 0.45, and cement mortar mixes the expansion of calcium sulphoaluminate class
Agent.Uplifting amount is 70mm, and the volume of calcium sulphoaluminate class swelling agent is 6%.
Correction order is first to be force-landed, then carries out lifting, and forced landing or lifting adopt information-aided construction, push up in open caisson 3
Portion's cloth displacement sensor, displacement transducer is connected with computer carries out Based Intelligent Control, and displacement transducer is transferred data to immediately
Computer, according to the data of collection, often sinking 2mm draws a curve to computer, and provides correction speed according to the slope of curve, analyzes
Correction development trend.
Penetration rate and water injection pressure are adjusted according to soil property and fall rate in forced landing work progress, the bottom of open caisson 3
For clay, when fall rate is less than or equal to 0.02mm/min, rig drilling speed is less than or equal to 90r/min and more than 80r/min,
Water injection pressure is 1.2MPa；More than 0.02mm/min and during less than 0.03mm/min, rig drilling speed is less than or equal to fall rate
80r/min and more than 75r/min, water injection pressure is 1.2MPa；When fall rate is more than or equal to 0.03mm/min, rig drilling speed
Less than or equal to 75r/min and more than 70r/min, water injection pressure is 1.2MPa；
Using interval construction, i.e., first construction finishes the lifting hole 2 of odd indexed, then the lift of even number sequence number of constructing for lifting construction
Hole 2 is risen, sequence number carries out from left to right layout.Construct after finishing through the intermittent time of 20～30min in the lifting hole 2 of odd indexed
The lifting hole 2 of even number sequence number of constructing again afterwards.
Claims (9)
1. it is a kind of to incline open caisson deviation rectification construction method, it is characterized in that arranging forced landing hole in the slow side of well sinking, force-land Kong Zhi
Footpath be 75～120mm, forced landing pitch of holes be 1.5～2.2m, using bore mode formed force-land hole make caisson wall and its around
Soil body frictional force is reduced, and the continuous water filling in boring procedure is made well sinking, correction technique is instructed using intelligent control method,
Rig drilling speed and water injection pressure are adjusted according to soil property and correction speed；
Lifting hole is set in well sinking fast side, lifting bore dia is 60～90mm, and lifting pitch of holes is 1.8～2.5m,
Lifting hole depth is 2.2～2.5 times of open caisson height, and lifting hole adopts two rows, lifting hole to inject cement mortar, and the cement mortar ratio of mud is
0.45～0.5, cement mortar mixes calcium sulphoaluminate class swelling agent；
Correction order is first to be force-landed, then carries out lifting, and forced landing or lifting adopt information-aided construction, in open caisson top layout
Displacement transducer, displacement transducer is connected with computer carries out Based Intelligent Control, and displacement transducer transfers data to computer immediately, electricity
Brain often sinks according to the data of collection or lifting 2mm draws a curve, and provides correction speed according to the slope of curve, and analysis is entangled
Inclined development trend.
2. inclination open caisson deviation rectification construction method according to claim 1, is characterized in that two row's lifting hole arrangement parameters are adopted
It is as follows：First row lifting hole is vertical, and first row lifting hole is 500～700mm from open caisson Edge Distance, and second row lifting hole is
Incline, gradient is 60～70 degree, second row lifting hole is 1000～1200mm from open caisson Edge Distance.
3. inclination open caisson deviation rectification construction method according to claim 1, is characterized in that two row's lifting hole arrangement parameters are adopted
It is as follows：To incline, gradient is 60～70 degree in first row lifting hole, first row lifting hole from open caisson Edge Distance for 1000～
1200mm, to incline, gradient is 60～70 degree, second row lifting hole cloth parallel with first row lifting hole in second row lifting hole
Put, second row lifting hole is 1500～1700mm from open caisson Edge Distance.
4. inclination open caisson deviation rectification construction method according to claim 1, is characterized in that the volume of calcium sulphoaluminate class swelling agent
Determined according to open caisson amount, when Uplifting amount is more than or equal to 100mm, the volume of calcium sulphoaluminate class swelling agent is 7%；Uplifting amount is big
During in 50mm and less than 100mm, the volume of calcium sulphoaluminate class swelling agent is 6%；When Uplifting amount is less than 50mm, calcium sulphoaluminate class is swollen
Swollen dose of volume is 5%.
5. inclination open caisson deviation rectification construction method according to claim 1, is characterized in that penetration rate in forced landing work progress
It is adjusted according to soil property and fall rate with water injection pressure, when open caisson bottom is muck soil, fall rate is less than or equal to
During 0.02mm/min, less than or equal to 120r/min and more than 110r/min, water injection pressure is 1.3MPa to rig drilling speed；Work as drilling
When soil property is muck soil, more than 0.02mm/min and during less than 0.03mm/min, rig drilling speed is less than or equal to fall rate
110r/min and more than 100r/min, water injection pressure is 1.3MPa；When drill soil property be muck soil when, fall rate be more than or
During equal to 0.03mm/min, less than or equal to 100r/min and more than 90r/min, water injection pressure is 1.3MPa to rig drilling speed；
When open caisson bottom is clay, and fall rate is less than or equal to 0.02mm/min, rig drilling speed is less than or equal to 90r/min
And more than 80r/min, water injection pressure is 1.2MPa；When drilling soil property is clay, fall rate is more than 0.02mm/min and is less than
During 0.03mm/min, less than or equal to 80r/min and more than 75r/min, water injection pressure is 1.2MPa to rig drilling speed；When drilling soil
Matter is clay, and when fall rate is more than or equal to 0.03mm/min, rig drilling speed is less than or equal to 75r/min and more than 70r/
Min, water injection pressure is 1.2MPa；
When open caisson bottom is silt, and fall rate is less than or equal to 0.02mm/min, rig drilling speed is less than or equal to 70r/min
And more than 65r/min, water injection pressure is 1.1MPa；When drilling soil property is silt, fall rate is more than 0.02mm/min and is less than
During 0.03mm/min, less than or equal to 65r/min and more than 60r/min, water injection pressure is 1.1MPa to rig drilling speed；When drilling soil
Matter is silt, and when fall rate is more than or equal to 0.03mm/min, rig drilling speed is less than or equal to 60r/min and more than 55r/
Min, water injection pressure is 1.1MPa；
When open caisson bottom is sand, and fall rate is less than or equal to 0.02mm/min, rig drilling speed is less than or equal to 55r/min
And more than 50r/min, water injection pressure is 1.0MPa；When drilling soil property is sand, fall rate is more than 0.02mm/min and is less than
During 0.03mm/min, less than or equal to 50r/min and more than 45r/min, water injection pressure is 1.0MPa to rig drilling speed；When drilling soil
Matter is sand, and when fall rate is more than or equal to 0.03mm/min, rig drilling speed is less than or equal to 45r/min and more than 40r/
Min, water injection pressure is 1.0MPa.
6. inclination open caisson deviation rectification construction method according to claim 1, is characterized in that forced landing is applied in silt or sand
Work adopts following technical measures：Pore-forming finish after by Grouting Pipe inject mixed with montmorillonite water, in water mix 1%～
At once by Grouting Pipe hand-hole, a diameter of 3～5mm being expanded to after montmorillonite access aperture after 2% montmorillonite
Bead be attached to open caisson wall, make sliding friction be changed into rolling friction, reduce hole wall frictional force.
7. inclination open caisson deviation rectification construction method according to claim 1, is characterized in that if geology has drifting sand layer, mix
2%～3% soda ash is improving slurry consistency.
8. inclination open caisson deviation rectification construction method according to claim 1, is characterized in that horizon bar top root with a distance from beam bottom
It is adjusted according to deck-molding；When deck-molding is 400mm, horizon bar top adopts 500mm with a distance from beam bottom；When deck-molding be 500mm, level
Bar top adopts 450mm with a distance from beam bottom；When deck-molding is 600mm, horizon bar top adopts 400mm with a distance from beam bottom；Work as deck-molding
For 700mm and more than, horizon bar top adopt 350mm with a distance from beam bottom.
9. inclination open caisson deviation rectification construction method according to claim 2, is characterized in that lifting construction is constructed using interval, i.e.,
First construction finishes the lifting hole of odd indexed, then the lifting hole of even number sequence number of constructing, and sequence number carries out from left to right layout.Odd number sequence
Number the construction of lifting hole finish after construct again after the intermittent time of 20～30min the lifting hole of even number sequence number.
Priority Applications (7)
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| CN201810251485.XA CN108396758B (en) | 2016-11-17 | 2016-11-17 | Open caisson deviation rectifying construction method |
| CN201611062968.2A CN106592615B (en) | 2016-11-17 | 2016-11-17 | Tilt open caisson deviation rectification construction method |
| CN201810252386.3A CN108396759B (en) | 2016-11-17 | 2016-11-17 | Deviation rectifying construction method for inclined open caisson under different soil conditions |
| CN201810251650.1A CN108442425B (en) | 2016-11-17 | 2016-11-17 | Inclined open caisson deviation rectification construction technology |
| CN201810252458.4A CN108360545B (en) | 2016-11-17 | 2016-11-17 | It tilts open caisson and combines deviation rectification construction method |
| CN201810252548.3A CN108396760B (en) | 2016-11-17 | 2016-11-17 | Combined deviation-rectifying construction technology for inclined open caisson |
| CN201810252828.4A CN108487278B (en) | 2016-11-17 | 2016-11-17 | Open caisson deviation rectification construction technology |
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| CN201810252458.4A Division CN108360545B (en) | 2016-11-17 | 2016-11-17 | It tilts open caisson and combines deviation rectification construction method |
| CN201810252548.3A Division CN108396760B (en) | 2016-11-17 | 2016-11-17 | Combined deviation-rectifying construction technology for inclined open caisson |
| CN201810251485.XA Division CN108396758B (en) | 2016-11-17 | 2016-11-17 | Open caisson deviation rectifying construction method |
| CN201810252386.3A Division CN108396759B (en) | 2016-11-17 | 2016-11-17 | Deviation rectifying construction method for inclined open caisson under different soil conditions |
| CN201810251650.1A Division CN108442425B (en) | 2016-11-17 | 2016-11-17 | Inclined open caisson deviation rectification construction technology |
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| CN201810252548.3A Active CN108396760B (en) | 2016-11-17 | 2016-11-17 | Combined deviation-rectifying construction technology for inclined open caisson |
| CN201810252386.3A Active CN108396759B (en) | 2016-11-17 | 2016-11-17 | Deviation rectifying construction method for inclined open caisson under different soil conditions |
| CN201611062968.2A Active CN106592615B (en) | 2016-11-17 | 2016-11-17 | Tilt open caisson deviation rectification construction method |
| CN201810251485.XA Active CN108396758B (en) | 2016-11-17 | 2016-11-17 | Open caisson deviation rectifying construction method |
| CN201810252828.4A Active CN108487278B (en) | 2016-11-17 | 2016-11-17 | Open caisson deviation rectification construction technology |
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| CN201810252548.3A Active CN108396760B (en) | 2016-11-17 | 2016-11-17 | Combined deviation-rectifying construction technology for inclined open caisson |
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| CN201810251650.1A Active CN108442425B (en) | 2016-11-17 | 2016-11-17 | Inclined open caisson deviation rectification construction technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107246037A (en) * | 2017-08-09 | 2017-10-13 | 上海岩土工程勘察设计研究院有限公司 | A kind of rectifying of leaned building structure and method for stake end sandy soil supporting course |
| CN110144921A (en) * | 2019-06-06 | 2019-08-20 | 广东水利电力职业技术学院（广东省水利电力技工学校） | A kind of simple and efficient open caisson deviation rectification method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108360545B (en) * | 2016-11-17 | 2019-09-10 | 叶香雄 | It tilts open caisson and combines deviation rectification construction method |
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- 2016-11-17 CN CN201810252548.3A patent/CN108396760B/en active Active
- 2016-11-17 CN CN201810252386.3A patent/CN108396759B/en active Active
- 2016-11-17 CN CN201611062968.2A patent/CN106592615B/en active Active
- 2016-11-17 CN CN201810251485.XA patent/CN108396758B/en active Active
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| CN2654698Y (en) * | 2003-06-30 | 2004-11-10 | 唐业清 | Negative frictional force inclined correction precipitation well |
| CN101793098A (en) * | 2010-03-13 | 2010-08-04 | 中铁西北科学研究院有限公司 | Coordinated interactive combined rectification method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108396760A (en) | 2018-08-14 |
| CN108487278B (en) | 2020-02-28 |
| CN108360545B (en) | 2019-09-10 |
| CN108487278A (en) | 2018-09-04 |
| CN108442425A (en) | 2018-08-24 |
| CN108396760B (en) | 2020-02-04 |
| CN108396759B (en) | 2020-02-04 |
| CN108442425B (en) | 2020-01-17 |
| CN108360545A (en) | 2018-08-03 |
| CN108396758B (en) | 2020-02-21 |
| CN106592615B (en) | 2018-08-07 |
| CN108396759A (en) | 2018-08-14 |
| CN108396758A (en) | 2018-08-14 |
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Effective date of registration: 20201126 Address after: 730314 No. 6328, Weihe street, Lanzhou New District, Gansu, Lanzhou Patentee after: Gansu Ruisheng water conservancy and Hydropower Engineering Co., Ltd Address before: 325025, No. 26, North Sichuan Road, Tianhe street, Wenzhou economic and Technological Development Zone, Wenzhou, Zhejiang Patentee before: Ye Xiangxiong |