CN105002895B - More drilling rod cement mixing methods inserted with prefabricated shaped-section - Google Patents
More drilling rod cement mixing methods inserted with prefabricated shaped-section Download PDFInfo
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- CN105002895B CN105002895B CN201510386479.1A CN201510386479A CN105002895B CN 105002895 B CN105002895 B CN 105002895B CN 201510386479 A CN201510386479 A CN 201510386479A CN 105002895 B CN105002895 B CN 105002895B
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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
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
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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
- E02D5/22—Piles
- E02D5/48—Piles varying in construction along their length, i.e. along the body between head and shoe, e.g. made of different materials along their length
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- 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)
- Piles And Underground Anchors (AREA)
Abstract
The invention belongs to technical field of buildings, is related to a kind of more drilling rod cement mixing methods inserted with prefabricated shaped-section.Solves the technical problem of prior art withdrawal resistance difference and pile strength difference.It includes cement mixing method, described cement mixing method is made up of at least one mixing pile elementary cell, described mixing pile elementary cell includes three stirring pile bodies in cylinder, each stirring pile body and two other stirring pile body are diametrically overlapped so as to form three overlapping regions and there is a common factor three overlapping regions, inserted with an at least prefabricated shaped-section in described cement mixing method.Intensity of the present invention is high, and extraction-resistant behavior is good, and can save material and solve the process problem for building solid waste.
Description
Technical field
The invention belongs to technical field of buildings, is related to a kind of more drilling rod cement mixing methods inserted with prefabricated shaped-section.
Background technology
Cement mixing method is a kind of method for reinforcing saturation soft clay low land base, and it is used as solidification by the use of cement
Agent, by special Mixing Machine, in ground depths by weak soil and curing agent action of forced stirring, utilize institute between curing agent and weak soil
Caused a series of physical chemical reaction, make weak soil scleroma into the high-quality ground with globality, water stability and some strength.
But existing cement mixing method is all single-column stake, when needing higher withdrawal resistance and compressive resistance, it is necessary to which the aperture of drilling is done
Greatly so as to making the drilling post of larger aperture.
The manufacturing process of existing cement mixing method comprises the following steps：
1st, position of p ile machine, centering, leveling.After putting mixing pile stake position well, mobile mixing pile machine, which reaches, refers to fixed pile, centering,
Leveling spirit level leveling.
2nd, leading truck perpendicularity is adjusted.Using theodolite or ceiling hammer double-direction control leading truck perpendicularity.By design and rule
Model requirement, perpendicularity are less than 1.0% long.
3rd, advance mixing slurries.Deep mixer stirs sinking simultaneously in advance, backstage mixing cement grout, treats slurries before mud jacking
It is put into aggregate bin.From the common silicate cement mixing slurries of cement grade 425#, the ratio of mud is controlled in 0.45~0.50 scope,
50Kg is no less than according to every meter of deep-mixed pile cement consumption of design requirement.
4th, stirring is sunk.Start deep-mixing pile driver rotating disk, after head rotating speed to be mixed is normal, drilling rod can be made along leading truck
Stirred in sinking, subsidence velocity can be regulated and controled by gear, and operating current not should be greater than rated value.
5th, whitewashing stirring lifting.Sink to up to after projected depth, open slurry pump, slurry is sent to stirring-head pulp by pipeline
Mouthful, start mixing pile machine after pulp and tense chain device, lifting 0.50~0.8m/min of the speed sides determined by design are whitewashed
Side lifting drilling rod is stirred, slurries and the soil body is fully mixed and stirred.
6th, stirring is repeated to sink.After stirring drill bit is promoted to stake top above 500mm height, slurry pump is closed, is repeated under stirring
Projected depth is sink to, subsidence velocity is carried out by design requirement.
7th, whitewashing repeats stirring lifting.Sink to up to after projected depth, whitewashing repeats stirring lifting, is promoted to ground always
Face.
8th, stake machine shifts.Construct after a pile, mobile stake machine to next pile position, repeated above step and carry out next
The construction of stake.
As can be seen here, the construction method of existing cement mixing method is single making, and is all cylinder per pile.
In order to overcome prior art hair deficiency, people are by constantly exploring, it is proposed that various solutions, as in
State's patent document disclose a kind of bidirectional stirring pile into pile operation method [notification number：CN102943467A], Soil-cement
Stake is stirred by soil and cement mortar and formed, and a width stirs wall and is made up of the more vertical cement mixing methods mutually overlapped, several water
Soil stirring wall is mutually overlapped to form longer Soil-cement Wall, and every width Soil-cement Wall is stirred by the vertical soil cement of the six roots of sensation
Stake composition is mixed, the six roots of sensation cement mixing method same time is formed, and six roots of sensation cement mixing method is on same vertical plane, adjacent pile body
It is mutually lapped；Adjacent Soil-cement Wall mutually overlaps.
Such scheme once can construct six roots of sensation cement mixing method simultaneously, reduce former single shaft or two axle cement mixing methods
The multiple tracks seam of formation, improves efficiency of construction, reduces the amount of labour used, compensate for the more, ratio of mud of three axes agitating pile displacement soil greatly,
The defects of cement mixing content is big, shorten the construction period more than 2/3rds.But as described in the program, six roots of sensation cement mixing method exists
On same vertical plane, therefore linearly distribution is so as to form the cement mixing method of planar shaped for mixing pile, the cement mixing method
Withdrawal resistance, intensity needs further to be improved.
The content of the invention
Regarding the issue above, the present invention provides a kind of pile strength is high, withdrawal resistance is high inserted with prefabrication type
More drilling rod cement mixing methods of material.
To reach above-mentioned purpose, present invention employs following technical proposal：A kind of more drilling rod water inserted with prefabricated shaped-section
Soil mixing pile, including cement mixing method, described cement mixing method are made up of at least one mixing pile elementary cell, institute
The mixing pile elementary cell stated includes three stirring pile bodies in cylinder, and each stirring pile body and two other stirring pile body exist
It is radially overlapped to have common factor, described cement mixing method interpolation so as to form three overlapping regions and three overlapping regions
Enter to have an at least prefabricated shaped-section.
In above-mentioned more drilling rod cement mixing methods inserted with prefabricated shaped-section, described prefabricated shaped-section has at least one
The individual control tower radially protruded, the sectional area of described control tower are more than the sectional area of prefabricated shaped-section.
In above-mentioned more drilling rod cement mixing methods inserted with prefabricated shaped-section, described prefabricated shaped-section includes at least one
Root prefabricated pile forms, and described prefabricated pile has at least one control tower radially protruded.
In above-mentioned more drilling rod cement mixing methods inserted with prefabricated shaped-section, described prefabricated pile both ends have along footpath
To outwardly connected unit, described prefabricated shaped-section is connected with each other and formed vertically by some prefabricated piles with connector, institute
The connector stated is arranged on connected unit.
In above-mentioned more drilling rod cement mixing methods inserted with prefabricated shaped-section, described control tower has several and along pre-
The axial direction of stake processed is uniformly distributed, and the distance between the thickness of described control tower and two adjacent control towers are than being 1:10-20, each
Two surfaces up and down of control tower are provided with slope.
In above-mentioned more drilling rod cement mixing methods inserted with prefabricated shaped-section, the cross section of described prefabricated pile is in square
Shape, prefabricated pile are hollow pile or solid pile, and the cross section of prefabricated pile vertically is identical or differs.
In above-mentioned more drilling rod cement mixing methods inserted with prefabricated shaped-section, described cement mixing method is by some
There are two identicals to stir pile body for individual mixing pile elementary cell composition, the adjacent mixing pile elementary cell of each two.
In above-mentioned more drilling rod cement mixing methods inserted with prefabricated shaped-section, described connector includes fixing respectively
The first attaching nut and the second attaching nut in two connected units, connection-peg is bolted with the first described attaching nut,
In described the second attaching nut from nut bottom to the direction of nut oral area be disposed with elastic component, packing ring, collar and in
Between nut, intermediate nut and the second attaching nut be spirally connected fixation, and collar is positioned at intermediate nut and packing ring between, when connection-peg insertion
During into intermediate nut, collar can block connection-peg so that the first attaching nut is fixedly connected with the second attaching nut, described
Intermediate nut there is the collar positioning chamber that is matched with collar outer wall shape, described collar positioning chamber close to one end of collar
It is also connected with the obtuse-angulate collar limit chamber of shape between one and the cavity wall of collar positioning chamber.
In above-mentioned more drilling rod cement mixing methods inserted with prefabricated shaped-section, have at least one inside described collar
Individual latch, described connection-peg outer wall and has at least one snap ring to be matched with latch with the junction of collar, latch with
Snap ring, which is formed, to be engaged by clamping.Described collar is enclosed in ring by several shapes, size identical card.
Compared with prior art, the advantage of the invention is that：Cement mixing method is superimposed with each other, and stirs, intensity
It is fully enhanced, is inserted in cement mixing method after prefabricated shaped-section condenses shaping with cement mixing method and form strength core, entered
One step improves the intensity of cement mixing method, and control tower can uniformly be pressed into building waste or solid waste etc. and be fixed on prefabrication type
Near material, reinforcement effect is played to prefabricated shaped-section, the post processing difficulty for building solid waste is also solved the problems, such as, realizes one kind more
The higher cement mixing method of environmental protection, intensity.
Brief description of the drawings
Fig. 1 is structural representation provided by the invention；
Fig. 2 is forming process schematic diagram provided by the invention；
Fig. 3 is the structural representation of mixing pile elementary cell provided by the invention；
Fig. 4 is another structural representation provided by the invention；
Fig. 5 is the structural representation of prefabricated shaped-section provided by the invention；
Fig. 6 is the structural representation of another prefabricated shaped-section provided by the invention；
Fig. 7 is the structural representation of another prefabricated shaped-section provided by the invention；
Fig. 8 is the structural representation of another prefabricated shaped-section provided by the invention；
Fig. 9 is the structural representation of another prefabricated shaped-section provided by the invention；
Figure 10 is the structural representation of another prefabricated shaped-section provided by the invention；
Figure 11 is the structural representation of another prefabricated shaped-section provided by the invention；
Figure 12 is another structural representation provided by the invention；
Figure 13 is enlarged drawing at Figure 12 A；
Figure 14 is the structural representation of two prefabricated pile connections；
Figure 15 is the structural representation of connector；
Figure 16 is the structural representation of intermediate nut；
Figure 17 is another structural representation of intermediate nut；
Figure 18 is the structural representation of the intermediate nut of prior art；
Figure 19 is the structural representation of collar；
Figure 20 is the structural representation of connection-peg；
Figure 21 is enlarged drawing at Figure 20 B.
In figure：Cement mixing method 1, prefabricated shaped-section 10, control tower 11, prefabricated pile 12, connected unit 13, slope 14, connector
5th, the first attaching nut 51, the second attaching nut 52, connection-peg 53, snap ring 531, elastic component 54, packing ring 55, collar 56, latch
561st, card 562, intermediate nut 57, collar positioning chamber 58, collar limit chamber 59, center drill rod 91, periphery drilling rod 92, mixing pile
Elementary cell 100, stirring pile body 101.
Embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As shown in figures 1 and 3, a kind of more drilling rod cement mixing methods inserted with prefabricated shaped-section, including Soil-cement
Stake 1, described cement mixing method 1 is made up of at least one mixing pile elementary cell 100, described mixing pile elementary cell
100 include three stirring pile bodies 101 in cylinder, each to stir pile body 101 and two other stirring pile body 101 diametrically
It is overlapped so as to form three overlapping regions and there is a common factor three overlapping regions, in described cement mixing method 1 inserted with
An at least prefabricated shaped-section 10, steel ring or the vertical and horizontal stiffening ring made of carbon fiber can be set in prefabricated shaped-section 10,
For improving the intensity of the vertical and horizontal of prefabricated shaped-section 10.
As shown in Fig. 2 when making cement mixing method 1, a center drill rod 91 can be set, in the week of center drill rod 91
Enclose and several periphery drilling rods 92 are set, agitating paddle, and center drill rod 91 and week are respectively provided with center drill rod 91 and periphery drilling rod 92
The inside of side drilling rod 92 has the passage of energy gunite, and center drill rod 91 and periphery drilling rod 92 are in rotation process, stirring
The agitation scope of oar is overlapped, and gunite makes cement mortar form cement mixing method 1 with soil when rotating, in water
Before soil mixing pile 1 is uncured, center drill rod 91 and periphery drilling rod 92 are proposed into ground, inserted in cement mixing method 1 pre-
Section bar 10 processed is fixedly connected with cement mixing method 1.O1 and O2 in Fig. 2 are respectively stirring for center drill rod 91 and periphery drilling rod 92
Dynamic radius.Because prefabricated shaped-section 10 is provided with control tower 11, during insertion, building solid waste material can be added, solid waste material is
Fragment of brick, cement block etc., control tower 11 play a part of suppressing solid waste material, solid waste material is uniformly declined, and most of concentration
Among two control towers 11, play a part of strengthening the intensity of prefabricated shaped-section 10.In addition, control tower 11, which also acts as, improves withdrawal resistance
Effect.
Preferred scheme, as is illustrated by figs. 11 and 12, prefabricated shaped-section 10 have at least one control tower radially protruded
11, the sectional area of described control tower 11 is more than the sectional area of prefabricated shaped-section 10.
As shown in Figure 12 and Figure 13, prefabricated shaped-section 10 forms including an at least prefabricated pile 12, and described prefabricated pile 12 has
There is at least one control tower 11 radially protruded.The both ends of prefabricated pile 12 have the connected unit 13 radially protruded, institute
The prefabricated shaped-section 10 stated is connected with each other and formed vertically by some prefabricated piles 12 with connector 5, and described connector 5 is arranged on
Connected unit 13.
Described control tower 11 has several and is uniformly distributed along the axial direction of prefabricated pile 12, and the thickness of control tower 11 is adjacent with two
The distance between control tower 11 than being 1:10-20, two surfaces up and down of each control tower 11 are provided with slope 14, and connected unit 13 is leaned on
The surface of nearly control tower 11 also is provided with slope 14.
The shape of prefabricated shaped-section 10 or prefabricated pile 12 does not limit, as shown in figure 5, the horizontal stroke of prefabricated shaped-section 10 or prefabricated pile 12
Rectangular in cross-section, prefabricated pile 12 are hollow pile or solid pile, and the cross section of prefabricated pile 12 vertically is identical or differs.Such as Fig. 6
It is shown, the circular in cross-section of prefabricated shaped-section 10 or prefabricated pile 12, as shown in fig. 7, prefabricated shaped-section 10 or prefabricated pile 12 is transversal
Face is hexagonal, as shown in figure 8, the cross section of prefabricated shaped-section 10 or prefabricated pile 12 is in cydariform, as shown in figure 9, prefabricated shaped-section 10
Or the cross section of prefabricated pile 12 is in I-shaped, as shown in Figure 10, the cross section of prefabricated shaped-section 10 or prefabricated pile 12 is triangular in shape.Such as
The frictional force of maximum is obtained with minimum material, is with the prefabricated shaped-section 10 or prefabricated pile 12 of cube cylindricality by existing standard
It is good.
As shown in figure 4, cement mixing method 1 is made up of several mixing pile elementary cells 100, the adjacent stirring of each two
There are stake elementary cell 100 two identicals to stir pile body 101.
As shown in Figure 14 and Figure 15, connector 5 includes the first attaching nut 51 being separately fixed in two connected units 13
With the second attaching nut 52, connection-peg 53 is bolted with the first described attaching nut 51, in the second described attaching nut 52
Elastic component 54, packing ring 55, collar 56 and intermediate nut 57, middle screw are disposed with from nut bottom to the direction of nut oral area
The attaching nut 52 of mother 57 and second is spirally connected fixation, and collar 56 is between intermediate nut 57 and packing ring 55, when connection-peg 53 inserts
During into intermediate nut 57, collar 56 can block connection-peg 53 so that the first attaching nut 51 and the second attaching nut 52 fix
Connection, with reference to shown in Figure 16 and Figure 17, intermediate nut 57 has close to one end of collar 56 to match with the outer wall shape of collar 56
Collar positioning chamber 58, collar positioning chamber 58 be also connected between one and the cavity wall of collar positioning chamber 58 formed obtuse angle a collar
Limit chamber 59, obtuse angle a angle is preferably 130-150 °, and the cavity wall of collar limit chamber 59 plays position-limiting action, can prevent collar
56 skid off collar positioning chamber 58, so that the stable connection of collar 56 and connection-peg 53 is reliable.Elastic component 54 can be strength post
Shape spring, packing ring 55 can hold collar 56, also function to supporting role.
In specific connection, the first attaching nut 51 and the second attaching nut 52 are separately fixed at two different prefabricated piles
In 12 connector 13, connection-peg 53 is inserted into the connection that can be achieved in intermediate nut 57 between two prefabricated piles 12.So as to
The prefabricated shaped-section 10 longer to length, it is easy to beat the stake of various depth, in addition, the structure of connector 5 also enables prefabricated pile 12
Enough quick, stable connections.
Figure 18 is the structural representation of the intermediate nut 57 of prior art, the intermediate nut 57 have collar positioning chamber 58 but
There is no collar limit chamber 59, therefore when the insertion speed of connection-peg 53 is too fast or contact engaging and separating force is excessive, collar 56 can position along collar
Chamber 58 skids off intermediate nut 57 always, so as to cause the connection failure of collar 56 and connection-peg 53.
As shown in Figure 15, Figure 19, Figure 20 and Figure 21, the inside of collar 56 has at least one latch 561, described connection-peg
53 outer walls and there is at least one snap ring 531 to be matched with latch 561, latch 561 and snap ring 531 with the junction of collar 56
Formed and be engaged by clamping, improve bonding strength.Snap ring 531 and latch 561 can have it is multiple, and respectively along connection-peg 53 and collar 56
It is axially arranged.
As shown in figure 19, described collar 56 is enclosed in ring-like, latch by several shapes, size identical card 562
561 are located at the inwall of card 562, and latch 561 can be equally enclosed in ring-like.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although cement mixing method 1, prefabricated shaped-section 10, control tower 11, prefabricated pile 12, connected unit have more been used herein
13rd, slope 14, connector 5, the first attaching nut 51, the second attaching nut 52, connection-peg 53, snap ring 531, elastic component 54, pad
Circle 55, collar 56, latch 561, card 562, intermediate nut 57, collar positioning chamber 58, collar limit chamber 59, center drill rod 91,
The terms such as periphery drilling rod 92, mixing pile elementary cell 100, stirring pile body 101, but it is not precluded from the possibility using other terms
Property.It is used for the purpose of more easily describing and explaining the essence of the present invention using these terms；It is construed as any one
Additional limitation is all disagreed with spirit of the present invention.
Claims (6)
1. a kind of more drilling rod cement mixing methods inserted with prefabricated shaped-section, including cement mixing method (1), it is characterised in that
Described cement mixing method (1) is made up of at least one mixing pile elementary cell (100), described mixing pile elementary cell
(100) include three stirring pile bodies (101) in cylinder, each stir pile body (101) and two other stirring pile body (101)
It is diametrically overlapped to have common factor, described cement mixing method so as to form three overlapping regions and three overlapping regions
(1) inserted with an at least prefabricated shaped-section (10) in,
Described cement mixing method (1) is made up of several mixing pile elementary cells (100), the adjacent stirring pile of each two
There are this unit (100) two identicals to stir pile body (101),
Described prefabricated pile (12) both ends have the connected unit (13) radially protruded, described prefabricated shaped-section (10) if by
Dry root prefabricated pile (12) is connected with each other and formed vertically with connector (5), and described connector (5) is arranged on connected unit (13),
Described connector (5) includes the first attaching nut (51) being separately fixed on two connected units (13) and the second connection
Nut (52), is bolted with connection-peg (53) in described the first attaching nut (51), in described the second attaching nut (52) by
Nut bottom is disposed with elastic component (54), packing ring (55), collar (56) and intermediate nut (57) to the direction of nut oral area,
Intermediate nut (57) and the second attaching nut (52) are spirally connected fixation, collar (56) be located at intermediate nut (57) and packing ring (55) it
Between, when connection-peg (53) is inserted into intermediate nut (57), collar (56) can block connection-peg (53) so that the first connection
Nut (51) is fixedly connected with the second attaching nut (52), described intermediate nut (57) close to collar (56) one end have with
The collar positioning chamber (58) that collar (56) outer wall shape matches, described collar positioning chamber (58) is also connected with one to be determined with collar
The obtuse-angulate collar limit chamber (59) of shape between the cavity wall of position chamber (58).
2. more drilling rod cement mixing methods according to claim 1 inserted with prefabricated shaped-section, it is characterised in that described
Prefabricated shaped-section (10) has at least one control tower (11) radially protruded, and the sectional area of described control tower (11) is more than in advance
The sectional area of section bar (10) processed.
3. more drilling rod cement mixing methods according to claim 2 inserted with prefabricated shaped-section, it is characterised in that described
Prefabricated shaped-section (10) includes at least prefabricated pile (12) composition, described prefabricated pile (12) have it is at least one radially
The control tower (11) of protrusion.
4. more drilling rod cement mixing methods according to claim 3 inserted with prefabricated shaped-section, it is characterised in that described
Control tower (11) has several and is uniformly distributed along the axial direction of prefabricated pile (12), the thickness of described control tower (11) and two it is adjacent
The distance between control tower (11) is than being 1:10-20, two surfaces up and down of each control tower (11) are provided with slope (14).
5. more drilling rod cement mixing methods inserted with prefabricated shaped-section according to claim 1 any one, its feature exist
In the cross section of described prefabricated pile (12) is rectangular, and prefabricated pile (12) is hollow pile or solid pile, and prefabricated pile (12) is vertically
Cross section it is identical or differ.
6. more drilling rod cement mixing methods according to claim 1 inserted with prefabricated shaped-section, it is characterised in that described
There is inside collar (56) at least one latch (561), described connection-peg (53) outer wall and with the junction tool of collar (56)
There is at least one snap ring (531) to be matched with latch (561), latch (561) is formed with snap ring (531) and is engaged by clamping.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510386479.1A CN105002895B (en) | 2015-06-30 | 2015-06-30 | More drilling rod cement mixing methods inserted with prefabricated shaped-section |
| PCT/CN2016/000312 WO2017000529A1 (en) | 2015-06-30 | 2016-06-16 | Multi-drill soil-cement mixed pile with inserted prefabricated section bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510386479.1A CN105002895B (en) | 2015-06-30 | 2015-06-30 | More drilling rod cement mixing methods inserted with prefabricated shaped-section |
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| CN105002895A CN105002895A (en) | 2015-10-28 |
| CN105002895B true CN105002895B (en) | 2017-11-24 |
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| CN105002895B (en) * | 2015-06-30 | 2017-11-24 | 周兆弟 | More drilling rod cement mixing methods inserted with prefabricated shaped-section |
| CN109944240A (en) * | 2019-03-22 | 2019-06-28 | 浙江大学 | Prefabricated tubbiness foundation structure and its construction method and device are implanted into after large-diameter annual stirring grooving |
| CN109898506A (en) * | 2019-03-22 | 2019-06-18 | 浙江大学 | Stir grooving plug-in type Prefabricated composite box foundation structure and construction method |
| CN110185029A (en) * | 2019-07-02 | 2019-08-30 | 上海强劲地基工程股份有限公司 | A kind of pile foundation intelligence construction equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH1171754A (en) * | 1997-08-28 | 1999-03-16 | Nkk Corp | Pile execution method and equipment therefor |
| JP5136270B2 (en) * | 2007-08-03 | 2013-02-06 | Ｊｆｅスチール株式会社 | Synthetic friction pile construction method |
| CN101148875A (en) * | 2007-11-05 | 2008-03-26 | 山东省机械施工有限公司 | Composite pile and construction method thereof |
| CN101519876B (en) * | 2008-03-17 | 2011-08-17 | 周兆弟 | Cutting-free fast tearing butt coupler and butt joint piece |
| CN101979778B (en) * | 2010-10-07 | 2012-06-13 | 周兆弟 | Method for butting concrete prefabricated member consisting of prefabricated member connector |
| CN104234047A (en) * | 2013-10-22 | 2014-12-24 | 王磊 | Composite pile made by jointly embedding nodular pile and tubular pile into cement-soil mixed soil-nailed pile |
| CN104196016A (en) * | 2014-04-29 | 2014-12-10 | 周兆弟 | Quincunx cement soil mixing high-strength bearing pile and forming method |
| CN104032734A (en) * | 2014-04-29 | 2014-09-10 | 周兆弟 | High-strength triangular plum-blossom-shaped cement soil mixing bearing pile and forming method thereof |
| CN204780874U (en) * | 2015-06-30 | 2015-11-18 | 周兆弟 | Insert many drilling rods cement mixing method of prefabricated section bar |
| CN105002895B (en) * | 2015-06-30 | 2017-11-24 | 周兆弟 | More drilling rod cement mixing methods inserted with prefabricated shaped-section |
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| WO2017000529A1 (en) | 2017-01-05 |
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