CN110528503A - Wall construction method is gone along with sb. to guard him in the implantation prefabricated reinforced concrete stake of deep slot type soil-cement - Google Patents
Wall construction method is gone along with sb. to guard him in the implantation prefabricated reinforced concrete stake of deep slot type soil-cement Download PDFInfo
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- CN110528503A CN110528503A CN201810543273.9A CN201810543273A CN110528503A CN 110528503 A CN110528503 A CN 110528503A CN 201810543273 A CN201810543273 A CN 201810543273A CN 110528503 A CN110528503 A CN 110528503A
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- cement
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/20—Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The present invention relates to a kind of no mud outward transport environmental pollution problems to generate, and it is suitable for various soft or hard soil layers, as the impervious of big depth excavating engineering of old stiff clay layer, sand gravel layer, baliki layer, fully weathered rock stratum goes along with sb. to guard him one deep slot type soil-cement interplantation precast reinforced concrete pile of wall construction method and go along with sb. to guard him wall construction method, this is gone along with sb. to guard him wall construction method and goes along with sb. to guard him wall construction method compared to traditional, has the advantages that speed of application is fast, environmental pollution is small.
Description
Technical field
The present invention relates to a kind of no mud outward transport environmental pollution problems to generate, and is suitable for various soft or hard soil layers, such as old hard
The impervious enclosure wall of the big depth excavating engineering of clay layer, sand gravel layer, baliki layer, fully weathered rock stratum is constructed
Wall construction method is gone along with sb. to guard him in method-deep slot type soil-cement interplantation precast reinforced concrete pile.
Technical background
With city underground, underground pipe gallery, underground express passway, underground garage, market place builet below the ground, underground storage etc.
Construction will become the emphasis of urban construction to underground development, this will make excavation of foundation pit depth deeper and deeper, and range is also increasingly
Extensively, the strata condition of various complexity will also be run into.Currently used for deep basal pit to go along with sb. to guard him wall technology very limited, mainly occlusion is bored
Hole piling wall, drilling major diameter campshed wall, Diaphragm Wall.But not only construction cost is high for these technologies, and speed of application is slow, and
And all there are problems that mud outward transport pollutes environment.Further, since excavation of foundation pit depth is deeper and deeper, sand gravel can be often encountered
Layer, hard clay stratum, fully weathered rock stratum etc., common three axes agitating pile can not construct, so researching and developing a kind of low cost, construction speed
Degree is fast, reliable in quality and without mud outward transport problem newly to go along with sb. to guard him wall construction method imperative.
Summary of the invention
The invention proposes a kind of construction methods for enclosure wall in deep foundation pit excavation project.This construction method utilizes
The Japanese canal formula cutting depth blender TRD or Bao E company, Germany Double-wheel milling depth stirring concrete earth stock tank of newest introduction, through special
Machinery stirs reaming implantation precast reinforced concrete pile again and is formed, and is suitable for various hard viscosity layers, sand gravel layer, residual soil and weathering
Rock stratum.Being formed by enclosure wall has the impervious function of flowing and bear lateral Water And Earth Pressures in excavation of foundation pit.
Detailed description of the invention
With reference to the accompanying drawing and embodiment the present invention will be described.
Fig. 1 a, Fig. 1 b, Fig. 1 c are that deep slot type cement soil wall 1 is implanted into precast reinforced I-shaped cross-section stake 5, empty stomach water chestnut respectively
The enclosure wall that shape stake 6 and empty stomach rectangular pile 7 are formed；Fig. 1 d is that three axis stir the signal of machine stirring blade diameter again.Stake 2 (including 5,6,
7) depth of section is less than the thickness of deep slot type cement soil wall 1, and stake spacing can be adjusted according to engineering practice.It is wherein prefabricated
The depth of section of stake 2 is between 500-1000mm, and the thickness of cement soil wall 1 is between 600-1100mm, than 2 section of stake of implantation
Highly big 100mm.
Fig. 2 a, Fig. 2 b, Fig. 2 c are that precast reinforced I-shaped cross-section stake 5, empty stomach diamond shape stake are implanted in deep slot type cement soil wall 1
6 and 7 enclosure wall of empty stomach rectangular pile；Fig. 2 d is that three axis stir the signal of machine stirring blade diameter again.2 depth of sections of stake are greater than deep slot type water
The thickness of soil wall 1.There is the circular arc fan-shaped soil cement 3 of two-sided evagination by entire 2 outsourcing of prefabricated pile, intermediate reaming axis leaf outside every
For piece diameter between 700-1300mm, two side axis blade diameters stir the consistency of thickness of cement soil wall with slot type deeply, play positioning and expand
Hole effect.The arrangement spacing of prefabricated pile 2 can be adjusted.The depth of section of prefabricated pile is between 700-1200mm, deep slot type water
1 thickness of soil wall is between 400-1000mm, the bilateral circumscribed prefabricated pile 2 of 3 arc diameter of evagination soil cement.
Fig. 3 a, Fig. 3 b, Fig. 3 c are the I-shaped stake 5 of 1 interplantation of deep slot type cement soil wall, empty stomach diamond shape stake 6 and empty stomach rectangular pile 7
The enclosure wall of formation；Fig. 3 d is that four axis of product shape stirs the distribution of machine stirring blade again and diameter signal, four axis of product shape stir machine mixing pile again
Unilateral evagination goes out cement mixing pile 4, and every prefabricated pile is fully wrapped around by the circular arc fan-shaped soil cement 4 of unilateral outer protrusion, the row of stake
Column pitch is adjustable；Between the thickness 400-1000mm of deep slot type cement soil wall 1, unilateral 4 diameter of evagination circular arc fan-shaped soil cement
Between 400-600mm, all stake 2 is wrapped up.
Attached drawing 4a, 4b, 4c are prefabricated I-shaped stake 5, Prefabricated hollow diamond shape stake 6 (including two kinds of section forms) and pre- respectively
The section of empty stomach rectangular pile 7 (including four kinds of section forms) processed and arrangement of reinforcement schematic diagram.
Wherein:
Wherein:
1- deep slot type cement mixing cob wall；
2- precast reinforced concrete pile (including 5,6,7)；
The arc-shaped soil-cement body of the bilateral reaming of 3-；
The unilateral outer convex arch soil-cement body of 4-；
The I-shaped stake of 5- prefabricated reinforced concrete；
6- prefabricated reinforced concrete diamond shape stake；
7- prefabricated reinforced concrete empty stomach rectangular pile；
8- prefabricated reinforced concrete stake lengthways main steel bar；
9- prefabricated reinforced concrete pile ring muscle；
Specific embodiment
Prefabricated the cement earthwork is mixed according to different cutting depths, sub-surface distribution situation, level of ground water situation, implantation
Method, reaming and stir again method and implantation precast reinforced concrete pile method, form following retaining wall construction method.
Implementation method first is that: first stir machine deeply with special slot type and stir into equal thickness cement soil wall 1 to soil layer cement injection,
Not reaming in slot is carried out with the multifunctional triaxial blender in Fig. 1 d immediately after to stir again, is then implanted into precast reinforced concrete pile
2 form enclosure wall.The effect stirred again is that the big soil particle that will be precipitated suspends, and convenient for planting stake, while improving the stirring matter of soil cement
Amount.
It is the 15- of soil body weight according to various soils its cement slurry cement additive ratios when slot type stirs machine stirring operation deeply
30%, bentonitic blend ratio is 0-10%, and three axis stirring blade diameters of three axis blenders in Fig. 1 d are identical and and slot
Formula stirs consistency of thickness, stirs cement slurry cement additive ratio view again and plants stake density value between 0-10%, bentonitic blend ratio is
0-5%, depending on depending on soil layer granular size and planting stake difficulty or ease.
Slot type stirs the thickness of cement soil wall 1 in 600-1100mm deeply, and the depth of section for being implanted into precast reinforced concrete pile 2 exists
Between 500-1000mm, the thickness of cement soil wall 1 is 100mm or more bigger than 2 depth of section of stake of use.
The spacing of the precast reinforced concrete pile 2 of implantation can have Fig. 1 a, Fig. 1 b, Fig. 1 c institute depending on engine request
The plant stake spacing shown.
Implementation method two: machine is first stirred deeply with special slot type and stirs into equal thickness cement soil wall 1 to soil layer cement injection, is closely followed
Thereafter bilateral reaming in slot is carried out at plant stake with the multifunctional triaxial blender in Fig. 2 d and stirs the circular arc to form bilateral reaming again
Then shape soil-cement body 3 is implanted into large-sized precast reinforced concrete pile 2 and forms enclosure wall.The effect that reaming is stirred again is will to plant
The bilateral extension of cement wall at stake, also makes the big soil particle in cement wall suspend, and convenient for planting stake, while improving the stirring of cement soil wall
Quality, very crux.
Slot type stirs the thickness of cement soil wall 1 between 400-1000mm deeply, three axis stirring of multifunctional triaxial blender
Blade diameter is not identical, and for jackshaft blade diameter between 700-1300mm, two side axis blade diameters and slot type stir soil cement deeply
The consistency of thickness of wall 1 plays the role of positioning reaming.The circular arc fan-shaped soil cement 3 of such two-sided evagination will entirely be implanted into prefabricated pile 2
Outsourcing.The depth of section of precast reinforced concrete pile 2 is implanted into after reaming bilateral in slot is stirred again between 700-1200mm.Implantation
Precast reinforced concrete pile 2 divide to plant a piling wall every one, planting two piling walls and dense planting piling wall (Fig. 2 a, 2b, 2c) every one.
It is the 15- of soil body weight according to various soils its cement slurry cement additive ratios when slot type stirs machine stirring operation deeply
30%, bentonitic blend ratio is 0-10%, and three axis blenders stir cement slurry cement additive ratio view again and plant stake density in 5-15%
Between value, bentonitic blend ratio is 0-10%, depending on soil layer granular size and plant stake difficulty or ease depending on.
Implementation method three: machine is first stirred deeply with special slot type, soil layer cement injection is stirred into equal thickness cement soil wall 1, closely followed
Thereafter unilateral reaming in slot is carried out at plant stake with the multi-functional product shape four-axis blender in Fig. 3 d to stir to form unilateral evagination again
Then arc-shaped soil-cement body 4 is implanted into large-sized precast reinforced concrete pile 2 and forms enclosure wall.The effect that reaming is stirred again is
The unilateral extension of cement wall at stake will be planted, the big soil particle in cement wall is also made to suspend, convenient for planting stake, while improving cement soil wall
Mixing quality.
Slot type stirs the thickness of cement soil wall 1 between 400-1000mm deeply, three axis of multi-functional product shape four-axis blender
Stirring blade diameter is identical and stirs the consistency of thickness of cement soil wall deeply with slot type, plays reaming positioning and makees, intermediate outer protruding shaft blade
Diameter all wraps up evagination prefabricated pile between 400-600mm.Unilateral reaming is implanted into prefabricated reinforced concrete after stirring again in slot
The depth of section of stake is between 700-1200mm.The precast reinforced concrete pile 2 of implantation divides to plant a piling wall, every a plant two every one
Piling wall and dense planting piling wall (Fig. 3 a, 3b, 3c).
It is the 15- of soil body weight according to various soils its cement slurry cement additive ratios when slot type stirs machine stirring operation deeply
30%, bentonitic blend ratio is 0-10%, and three axis blenders stir cement slurry cement additive ratio view again and plant stake density in 5-15%
Between value, bentonitic blend ratio is 0-10%, depending on soil layer granular size and plant stake difficulty or ease depending on.
The precast reinforced concrete pile 2 of implantation can be I-shaped stake 5, empty stomach diamond shape stake 6, empty stomach rectangular pile 7 (Fig. 4 a,
4b、4c)。
Claims (11)
1. wall construction method is gone along with sb. to guard him in a kind of deep slot type soil-cement implantation prefabricated reinforced concrete stake, it is characterized in that: first using deep trouth
Formula blender carries out injection cement slurry stirring to the soil body, is then stirred reaming again simultaneously to non-condensing soil cement with multiple-rotor mixer
It is implanted into precast reinforced concrete pile, the enclosure wall of design requirement is formed, plays the impervious Support Function of sealing earth-retaining.
2. wall construction method is gone along with sb. to guard him in a kind of deep slot type soil-cement implantation prefabricated reinforced concrete stake, it is characterized in that: first with special slot
Formula stirs machine deeply and soil layer cement injection is stirred into equal thickness cement soil wall, and multifunctional triaxial blender immediately after carries out in slot
Not reaming is stirred again, is then implanted into precast reinforced concrete pile and is formed enclosure wall.
3. according to claim 2, wall construction method, feature are gone along with sb. to guard him in a kind of deep slot type soil-cement implantation prefabricated reinforced concrete stake
It is: is the 15-30% of soil body weight, swelling according to various soils its cement slurry cement additive ratios when slot type stirs machine stirring operation deeply
The blend ratio of soil is 0-10%, three axis stirring blade diameters of three axis blenders it is identical and with agitated trough consistency of thickness, it is multiple
It stirs cement slurry cement additive ratio view and plants stake density value between 0-10%, bentonitic blend ratio is 0-5%, big depending on soil layer particle
Depending on small and plant stake difficulty or ease.
4. according to claim 2, wall construction method, feature are gone along with sb. to guard him in a kind of deep slot type soil-cement implantation prefabricated reinforced concrete stake
Be: slot type stirs the thickness of cement soil wall in 600-1100mm deeply, is implanted into the depth of section of precast reinforced concrete pile in 500-
Between 1000mm, the thickness of cement soil wall is 100mm bigger than the stake depth of section of use；Design requirement is pressed in precast reinforced concrete pile
Stake spacing implantation Soil-cement Wall in.
5. the sealing earth-retaining for being implanted with precast reinforced concrete pile formation in a kind of soil cement is impervious to go along with sb. to guard him wall construction method, feature
Be: first stirring machine deeply with special slot type stirs into equal thickness cement soil wall for soil layer cement injection, multifunctional triaxial immediately after
Blender carries out bilateral reaming in slot at plant stake and stirs again, is then implanted into large-sized precast reinforced concrete pile formation and goes along with sb. to guard him
Wall.
6. according to claim 5, wall construction method, feature are gone along with sb. to guard him in a kind of deep slot type soil-cement implantation prefabricated reinforced concrete stake
Be: slot type stirs the thickness of cement soil wall between 400-1000mm deeply, and three axis stirring blades of multifunctional triaxial blender are straight
Diameter is not identical, and for jackshaft blade diameter between 700-1300mm, two side axis blade diameters stir the thickness of cement soil wall with slot type deeply
Degree is consistent, plays the role of positioning reaming；The circular arc fan-shaped soil cement of two-sided evagination will entirely be implanted into prefabricated pile outsourcing.It is double in slot
Side reaming is implanted into the depth of section of precast reinforced concrete pile between 700-1200mm after stirring again.Precast reinforced concrete pile is pressed
In the stake spacing implantation Soil-cement Wall of design requirement.
7. according to claim 5, wall construction method, feature are gone along with sb. to guard him in a kind of deep slot type soil-cement implantation prefabricated reinforced concrete stake
It is: is the 15-30% of soil body weight, swelling according to various soils its cement slurry cement additive ratios when slot type stirs machine stirring operation deeply
The blend ratio of soil is 0-10%, and three axis blenders stir cement slurry cement additive ratio view again and plant stake density value between 5-15%, swollen
The blend ratio of profit soil is 0-10%, depending on depending on soil layer granular size and planting stake difficulty or ease.
8. the earth-retaining water sealing and seepage resistane for being implanted with precast reinforced concrete pile formation in a kind of soil cement goes along with sb. to guard him wall construction method, feature
It is: first stirs machine deeply with special slot type and soil layer cement injection is stirred into equal thickness cement soil wall, multi-functional product shape immediately after
Four-axis blender carries out unilateral reaming in slot at plant stake and stirs again, is then implanted into large-sized precast reinforced concrete pile formation and encloses
Revetment.
9. according to claim 8, wall construction method, feature are gone along with sb. to guard him in a kind of deep slot type soil-cement implantation prefabricated reinforced concrete stake
Be: slot type stirs the thickness of cement soil wall between 400-1000mm deeply, three axis paddles of multi-functional product shape four-axis blender
Piece diameter is identical and stirs the consistency of thickness of cement soil wall deeply with slot type, plays the role of reaming positioning, and intermediate outer protruding shaft blade is straight
Diameter all wraps up evagination prefabricated pile between 400-600mm；Unilateral reaming is implanted into precast reinforced concrete pile after stirring again in slot
Depth of section between 700-1200mm；Precast reinforced concrete pile is implanted into Soil-cement Wall by the stake spacing of design requirement
In.
10. according to claim 8, wall construction method is gone along with sb. to guard him in a kind of deep slot type soil-cement implantation prefabricated reinforced concrete stake, special
Sign is: it is the 15-30% of soil body weight according to various soils its cement slurry cement additive ratios when slot type stirs machine stirring operation deeply, it is swollen
The blend ratio of profit soil is 0-10%, and three axis blenders stir cement slurry cement additive ratio view again and plant stake density value between 5-15%,
Bentonitic blend ratio is 0-10%, depending on depending on soil layer granular size and planting stake difficulty or ease.
11. wall construction method is gone along with sb. to guard him in a kind of deep slot type soil-cement implantation prefabricated reinforced concrete stake, it is characterized in that: implantation is prefabricated
Reinforced concrete pile section can be I-shaped, empty stomach diamond shape and empty stomach rectangle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810543273.9A CN110528503A (en) | 2018-05-23 | 2018-05-23 | Wall construction method is gone along with sb. to guard him in the implantation prefabricated reinforced concrete stake of deep slot type soil-cement |
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| CN201810543273.9A CN110528503A (en) | 2018-05-23 | 2018-05-23 | Wall construction method is gone along with sb. to guard him in the implantation prefabricated reinforced concrete stake of deep slot type soil-cement |
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| CN201810543273.9A Pending CN110528503A (en) | 2018-05-23 | 2018-05-23 | Wall construction method is gone along with sb. to guard him in the implantation prefabricated reinforced concrete stake of deep slot type soil-cement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174995A (en) * | 2021-04-12 | 2021-07-27 | 浙江交工地下工程有限公司 | Construction method of TRD composite type enclosure comprehensive pipe gallery close to river channel |
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|---|---|---|---|---|
| CN113174995A (en) * | 2021-04-12 | 2021-07-27 | 浙江交工地下工程有限公司 | Construction method of TRD composite type enclosure comprehensive pipe gallery close to river channel |
| CN113174995B (en) * | 2021-04-12 | 2022-06-21 | 浙江交工地下工程有限公司 | Construction method of TRD composite type enclosure comprehensive pipe gallery close to river channel |
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