CN108265694A - A kind of construction method of deep foundation base - Google Patents
A kind of construction method of deep foundation base Download PDFInfo
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- CN108265694A CN108265694A CN201810102421.3A CN201810102421A CN108265694A CN 108265694 A CN108265694 A CN 108265694A CN 201810102421 A CN201810102421 A CN 201810102421A CN 108265694 A CN108265694 A CN 108265694A
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- 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
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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
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
-
- 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
- E02D5/60—Piles with protecting cases
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- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of construction method of deep foundation base, solves the prior art when using the foundation construction that casing carries out, the soil density of ground is bad, the technical issues of reducing the construction quality of ground；Its key points of the technical solution are that：During casing is squeezed at foundation pile position, constantly the soil of ground is squeezed by impact body, the soil around casing is made to be compacted during casing is squeezed into, and then the soil that casing is made to be pulled out rear foundation pile periphery has the higher degree of packing, therefore the soil of ground, which is not likely to produce, collapses and sinks, so as to reach the advantageous effect for the construction quality for improving ground.
Description
Technical field
The present invention relates to building lot technical field of construction, more specifically, it relates to a kind of construction party of deep foundation base
Method.
Background technology
Pile pile and pile for prestressed pipe are one of presently most common deep foundation base construction technology and method, in construction
There is live tidiness is good, mechanical engineering degree is high, the simple advantage of construction technology in the process.
Chinese invention patent, Authorization Notice No. CN106087998B disclose a kind of applying for combination multiple tube pile foundation
Work method, the main points of its technical scheme include the following steps：(1) to casing is squeezed at foundation pile position, then by the soil in casing
Taking-up forms stake holes；(2) geotextiles and expanded metal lath are put into stake holes bottom；(3) pile pile is put into stake holes；(4) it will be stirred
Cement soil pressure fill and be sent between casing and pile pile, and extract casing therewith；(5) answering for adjacent locations is formed according to stake position successively
Close pile pile；(6) it is each tubular pile head is locally broken, form armoured concrete slab across at least double steel bar and casting concrete
Or strip.
The construction method of above-mentioned technical proposal does not have the process of hammer piling, and pile pile remains intact, by between pile pile
Coaction had both prevented the differential settlement of pile pile, while can also make full use of the frictional force in stake week, became synergy
Pile group, effectively improve the durability of foundation pile.But during casing is squeezed at foundation pile position, due to casing
The Zinc fractions of casing periphery could not effectively be squeezed, therefore, the casting cement and after extracting casing in casing and pile pile, pipe
The soil density of stake periphery is bad, so as to influence the construction quality of ground.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of construction method of deep foundation base, adopt
It is constructed with this method to ground, the soil of foundation pile periphery can be made there is the higher degree of packing, and then make the soil of ground
It is not likely to produce and collapses and sink, so as to improve the construction quality of ground.
To achieve the above object, the present invention provides following technical solutions：A kind of construction method of deep foundation base, including with
Lower step：
S1, it will be connected through a screw thread with the corresponding impact body of casing internal diameter mounted on wherein one end of casing, the inside of casing
Face is provided with internal thread, and the side of impact body is provided with and the matched external screw thread of the internal thread of casing；
S2, make the end of casing connection impact body downward, to the stake position of ground at squeeze into casing, until required for casing sinks to
Depth；
S3, montant is inserted into casing, and the rotation section of montant lower end is made to be inserted into the blind hole of impact body, blind hole is inserted into rotation section
It is engaged by clamping afterwards with blind hole；
S4, the axis around montant rotate montant, move up the internal thread that impact body passes through casing, impact body is taken out, into
And the inside of casing is made to form stake holes in ground；
S5, pile pile is put into stake holes, and pile pile is made to keep vertical, the upper end that the upper end of casing and pile pile stretches out in stake holes is opened
Mouthful；
S6, according to squeezing into casing at step S1 to step the S5 successively multiple positions on ground and be put into pile pile；
S7, the concrete perfusion into each stake holes, make concrete tamp the space between casing and pile pile, therewith by casing from stake
It extracts in hole；
S8, after the concrete setting between stake holes and pile pile, concrete setting is collectively formed in the side of pile pile, and with pile pile
Upper end stretches out in the foundation pile of stake holes；
S9, the upper end for stretching out in stake holes in each foundation pile drill, and the axis in the hole drilled out is in the horizontal direction；
Reinforcing bar is worn between S10, the hole drilled out in each foundation pile upper end, the more reinforcing bars being interspersed form reinforced frame；
S11, template is set up in the periphery of reinforced frame, forms a mold around reinforced frame；
S12, the concrete perfusion into mold；
S13, after the concrete setting in mold, dismantle mold, pile framing is collectively formed in concrete and rebar frame.
Using above-mentioned technical proposal, during squeezing into casing at the stake position to ground, impact body is constantly over the ground
The soil of base is squeezed, and the soil around casing is made to be compacted during casing is squeezed into, and then after being pulled out casing
The soil of foundation pile periphery has the higher degree of packing；After the ground that casing is squeezed into, by between impact body and casing medial surface
The detachable installation for realizing impact body is threadedly coupled, is matched using the clamping between the rotation section of montant lower end and the blind hole of impact body
It closes, rotation montant can take out impact body, and then pile pile and subsequent concrete perfusion are put into stake holes from casing.Due to
Impact body can be removed from casing, therefore impact body does not interfere with the extraction of casing；After extracting casing, by more
The upper end of a foundation pile sets up reinforced frame, and pours into a mould concrete in a mold, is total to after the concrete setting in mold with reinforced frame
Into pile framing, the weight for the building that pile framing is born dispersedly is delivered in ground similar shape by multiple foundation piles, ground by
Power is more balanced, and the degree of packing of soil is high, is not likely to produce and collapses and sink, so as to improve the construction quality of ground.
Of the invention further to set, the impact body used in step S1 includes the cylinder and circular cone that are mutually permanently connected
Body, one of bottom surface of the cylinder is identical with the bottom surface size of cone and is mutually permanently connected, and the external screw thread is set
It puts on the side of cylinder, the blind hole is arranged on bottom surface of the cylinder far from cone, the vertex court of the cone
Lower setting.
Using above-mentioned technical proposal, the setting of cylinder is detachably arranged in shield convenient for impact body is connected through a screw thread
The bottom end of cylinder, the setting of cone is convenient for the soil of the ground of impact body pair when squeezing into casing to squeeze, but also toward ground
The process that casing is squeezed into base is more smooth.
Further setting of the invention, in step s 2, impacts impact body using weight, impact body is made to squeeze surrounding
Soil simultaneously drives casing to sink.
Using above-mentioned technical proposal, by impact of the weight to impact body, casing is made to be more prone to be driven into ground.
Of the invention further to set, the upper end of the montant used in step S3 is fixedly connected with cross bar, cross bar and montant
Connection is in T fonts.
Using above-mentioned technical proposal, can be convenient for making montant rotatable around its axis by rotating horizontal pole in step s 4, it will
Impact body takes out from casing, and operates more laborsaving convenience.
Of the invention further setting, the upper end of the montant are provided with gore, be provided in the middle part of the cross bar with
Mating tri-angle-holed of the gore.
Using above-mentioned technical proposal, by gore and tri-angle-holed mating, cross bar is enable to fix at any time
It mounted on the upper end of montant, can also remove, use and store all more convenient from the upper end of montant at any time.
Of the invention further to set, the rotation section in step S3 includes the square block being mutually permanently connected and rectangular pyramid block,
The bottom surface of rectangular pyramid block is identical with the bottom surface size of square block and is mutually permanently connected, and the vertex of rectangular pyramid block is set downward；Phase
It answers, the shape of blind hole is corresponding with the shape of rotation section.
Using above-mentioned technical proposal, the setting of square block makes the rotation of rotation section convenient for rotation section is connected in blind hole
Impact body can be driven to rotate, and then impact body is taken out from casing；The setting of rectangular pyramid block makes rotation section be more prone to pair
Quasi- blind hole is simultaneously smoothly inserted into blind hole.
Further setting of the invention, in step s 4, after taking out impact body, the bottom of stake holes is filled and led up with soil, so
It is laid with geotextiles and steel plate successively toward the bottom of stake holes afterwards.
Using above-mentioned technical proposal, geotextiles and steel plate that stake holes bottom is laid with successively can reduce the generation of stake holes bottom
Infiltration, enables to be cast in the concrete preferably coagulation forming of stake holes bottom in step S7, and then improves holding for foundation pile bottom
Carry power.
Further setting of the invention, in step s 5, after being put into pile pile into stake holes, is put into steel between stake holes and pile pile
Muscle cage.
Using above-mentioned technical proposal, the concrete for making to be perfused in step S7 is strong with higher structure after coagulation forming
Degree further improves the bearing capacity of foundation pile entirety.
Further setting of the invention, in step s 6, multiple positions on ground are in matrix distribution.
Using above-mentioned technical proposal, make multiple foundation piles on ground on the whole also in matrix distribution, and then make multiple bases
Stress between stake is more balanced, improves the balance and stability of ground.
Further setting of the invention, in step s 9, the hole that the upper end that each foundation pile stretches out in stake holes is drilled out includes horizontal stroke
To hole and vertical hole；Reinforcing bar described in step S10 includes transverse steel and vertical reinforcement, and positioned at it is same it is horizontally-arranged on it is more
It is worn between a foundation pile by transverse holes and connects a transverse steel, worn between multiple foundation piles on same vertical setting of types by vertical hole
Connect a vertical reinforcement；More transverse steels and Duo Gen vertical reinforcements are located on two different horizontal planes, and more respectively
The reinforced frame described in step S10 is collectively formed in transverse steel and vertical reinforcement.
Using above-mentioned technical proposal, can have the pile framing that concrete and rebar frame is formed jointly in step S13
Higher structural strength and bearing capacity.
In conclusion the present invention mainly has the advantages that：First, in the process that casing is squeezed at foundation pile position
In, impact body constantly squeezes the soil of ground, and the soil that casing is pulled out rear foundation pile periphery is made to have higher consolidation
Degree, therefore the soil of ground is not likely to produce and collapses and sink, so as to improve the construction quality of ground；Second, pass through steel reinforcement cage
Setting improve the structural strength and bearing capacity of foundation pile, the structural strength of pile framing is improved by the setting of reinforced frame and is held
Power is carried, makes ground that there is more reliable stability；Third, construction method step provided by the present invention is simple, easy for construction, tool
There are preferable overall stability and balance, the construction especially suitable for deep foundation base.
Description of the drawings
Fig. 1 is the part-structure sectional view that step of embodiment of the present invention S3 completes groundwork；
Fig. 2 is the part-structure sectional view that step of embodiment of the present invention S8 completes groundwork；
Fig. 3 is the external structure schematic diagram that step of embodiment of the present invention S11 completes groundwork；
Fig. 4 is the assembling structure schematic diagram of montant and cross bar in the embodiment of the present invention.
Reference numeral：1st, casing；2nd, impact body；21st, cylinder；22nd, cone；3rd, montant；31st, rotation section；311st, side
Shape block；312nd, rectangular pyramid block；32nd, gore；4th, pile pile；5th, foundation pile；6th, reinforced frame；61st, transverse steel；62nd, vertical reinforcement；
7th, template；8th, cross bar；9th, steel reinforcement cage；10th, ground.
Specific embodiment
It elaborates below in conjunction with the accompanying drawings to technical scheme of the present invention.
The present invention relates to a kind of construction methods of deep foundation base, referring to figs. 1 to Fig. 3, complete step S1 to step S13：
S1, it will be connected through a screw thread with the corresponding impact body 2 of 1 internal diameter of casing mounted on wherein one end of casing 1, wherein, shield
The medial surface of cylinder 1 is provided with internal thread, and the side of impact body 2 is provided with and the matched external screw thread of the internal thread of casing 1.
S2, make casing 1 connect impact body 2 end downward, to the stake position of ground 10 at squeeze into casing 1, until casing 1 under
Sink to required depth.
S3, montant 3 is inserted into casing 1, and the rotation section 31 of 3 lower end of montant is made to be inserted into the blind hole of impact body 2, rotation
Portion 31 is engaged by clamping after being inserted into blind hole with blind hole.
After the completion of step S3, the part-structure sectional view of ground 10 is as shown in Figure 1.
S4, the axis around montant 3 rotate montant 3, impact body 2 are made to be moved up by the internal thread of casing 1, by impact body
2 take out, and then the inside of casing 1 is made to form stake holes in ground 10.
S5, pile pile 4 is put into stake holes, and pile pile 4 is made to keep vertical, and casing 1 and the upper end of pile pile 4 stretch out in
The upper end opening of stake holes.
S6, according to squeezing into casing 1 at step S1 to step the S5 successively multiple positions on ground 10 and be put into pile pile 4.
S7, the concrete perfusion into each stake holes, make concrete tamp the space between casing 1 and pile pile 4, therewith will shield
Cylinder 1 is extracted from stake holes.
S8, after the concrete setting between stake holes and pile pile 4, concrete setting in the side of pile pile 4, and with pile pile 4
The foundation pile 5 that upper end stretches out in stake holes is collectively formed.
After the completion of step S8, the part-structure sectional view of ground 10 is as shown in Figure 2.
S9, it drills in the upper end that each foundation pile 5 stretches out in stake holes, the axis in the hole drilled out is set in the horizontal direction
It puts.
Reinforcing bar is worn between S10, the hole drilled out in each 5 upper end of foundation pile, the more reinforcing bars being interspersed are on the whole
Form a reinforced frame 6.
S11, template 7 is built in the periphery of reinforced frame 6, forms a mold around reinforced frame 6.
After the completion of step S11, the external structure schematic diagram of ground 10 is as shown in Figure 3.
S12, the concrete perfusion into mold.
S13, after the concrete setting in mold, dismantle mold, pile framing is collectively formed in concrete and rebar frame 6（Figure
In be not shown）.
During squeezing into casing 1 at the stake position to ground 10, impact body 2 constantly carries out the soil of ground 10
It squeezes, the soil around casing 1 is made to be compacted during casing 1 is squeezed into, and then casing 1 is made to be pulled out rear 5 periphery of foundation pile
Soil have the higher degree of packing；After the ground 10 that casing 1 is squeezed into, pass through the screw thread between 1 medial surface of impact body 2 and casing
The detachable installation of impact body 2 is realized in connection, utilizes the clamping between the rotation section 31 of 3 lower end of montant and the blind hole of impact body 2
Cooperation, rotation montant 3 can take out impact body 2, and then be put into pile pile 4 in stake holes and coagulation is then perfused from casing 1
Soil.Since impact body 2 can be removed from casing 1, impact body 2 does not interfere with the extraction of casing 1；Extract casing
After 1, by setting up reinforced frame 6, and pour into a mould concrete in a mold in the upper end of multiple foundation piles 5, treat that the concrete in mold coagulates
Gu after and pile framing is collectively formed in reinforced frame 6, and the weight for the building that pile framing is born dispersedly is delivered in by multiple foundation piles 5
In ground 10, the stress of ground 10 is more balanced, and the degree of packing of soil is high, is not likely to produce and collapses and sink, so as to improve
The construction quality of ground 10.
Referring to Fig. 1 and Fig. 4, in the present embodiment, the concrete structure of impact body 2 used in step S1 includes being fixed to each other
The cylinder 21 of connection and cone 22, one of bottom surface of cylinder 21 are identical and mutual with the bottom surface size of cone 22
It is integrally formed connection；The external screw thread of impact body 2 is specifically opened on the side of cylinder 21, and the blind hole of impact body 2 specifically opens up
On bottom surface of the cylinder 21 far from cone 22, and the vertex of cone 22 is set downward.Impact body 2 is by 21 He of cylinder
22 two parts of cone form, and the setting of cylinder 21 is detachably arranged in casing 1 convenient for impact body 2 is connected through a screw thread
Bottom end, cone 22 setting be convenient for when squeezing into casing 1 soil of the ground 10 of 2 pairs of impact body squeeze, but also
The process that casing 1 is squeezed into ground 10 is more smooth.
In step s 2, preferably impact body 2 is impacted using weight, impact body 2 is made to squeeze surrounding soil and band
Dynamic casing 1 sinks.In practice of construction, weight is promoted to free-falling after certain altitude, weight impact is in cylinder 21
On bottom surface far from cone 22, further it is convenient for squeezing into casing 1 in ground 10, and cylinder 21 can also bear weight
The impact force of bigger.
In step s3, the upper end of used montant 3 is fixedly connected with cross bar 8, and cross bar 8 is connect with montant 3 in T words
In order to make montant 3 rotatable around its axis by rotating horizontal pole 8 in step s 4, impact body 2 is taken out from casing 1 for type, and
And the more laborsaving convenience of operation.
Montant 3 and cross bar 8 are preferably fixedly connected using dismountable mode, specifically, the upper end of montant 3 one into
Type is connected with gore 32, is provided at the middle part of cross bar 8 and mating tri-angle-holed of gore 32.Pass through triangle
Block 32 and tri-angle-holed mating, enables cross bar 8 to be fixedly mounted on the upper end of montant 3 at any time, also can be at any time from perpendicular
The upper end of bar 3 removes, and uses and stores all more convenient.
The concrete structure of rotation section 31 in step S3 includes the square block 311 being mutually permanently connected and rectangular pyramid block 312,
The bottom surface of rectangular pyramid block 312 is identical with the bottom surface size of square block 311 and is formed integrally with one another connection, and rectangular pyramid block 312
Vertex set downward；Correspondingly, the shape of blind hole is corresponding with the shape of rotation section 31.Rotation section 31 is by 311 He of square block
312 two parts of rectangular pyramid block form, and the setting of square block 311 makes rotation section 31 convenient for rotation section 31 is connected in blind hole
Rotation can drive impact body 2 to rotate, and then impact body 2 is taken out from casing 1；When being inserted into montant 3 into casing 1, shield
The light of 1 bottom of cylinder obscures, and impact body 2 is made to be difficult to be aligned and be inserted into blind hole, but due to rectangular pyramid block 312 vertex downward,
Therefore rotation section 31 can be more smoothly inserted into blind hole.
Fig. 1 and Fig. 2 are reviewed, in step s 4, after taking out impact body 2, the bottom of stake holes is filled and led up with soil, it is then past
The bottom of stake holes is laid with geotextiles and steel plate successively（It is not shown in figure）, to reduce the infiltration of stake holes bottom generation, make step S7
In be cast in stake holes bottom concrete can preferably coagulation forming, and then improve the bearing capacity of 5 bottom of foundation pile.
In step s 5, after pile pile 4 being put into stake holes, steel reinforcement cage 9 can be put between stake holes and pile pile 4, makes step
The concrete being perfused in S7 has higher structural strength after coagulation forming, further improves the whole bearing capacity of foundation pile 5.
Referring to Fig. 3, in step s 6, multiple positions on ground 10 make multiple foundation piles 5 on ground 10 in matrix distribution
On the whole also in matrix distribution, and then make the stress between multiple foundation piles 5 more balanced, improve the balance of ground 10 and steady
It is qualitative.
In addition, in step s 9, the hole that the upper end that each foundation pile 5 stretches out in stake holes is drilled out is including transverse holes and vertically
Hole；Reinforcing bar described in step S10 includes transverse steel 61 and vertical reinforcement 62, and positioned at it is same it is horizontally-arranged on multiple foundation piles
It is worn between 5 by transverse holes and connects a transverse steel 61, worn and connect by vertical hole between multiple foundation piles 5 on same vertical setting of types
A piece vertical reinforcement 62.More transverse steels 61 and Duo Gen vertical reinforcements 62 are located on two different horizontal planes respectively, and
The reinforced frame 6 described in step S10 is collectively formed in more transverse steels 61 and vertical reinforcement 62 so that concrete in step S13
There is higher structural strength and bearing capacity with the pile framing that reinforced frame 6 is formed jointly.
Above example is only explanation of the invention, is not limitation of the present invention, those skilled in the art
The modification of no creative contribution can be made to the present embodiment as needed after this specification is read, but as long as in this hair
It is all protected in bright right by Patent Law.
Claims (10)
1. a kind of construction method of deep foundation base, it is characterised in that：Include the following steps：
S1, it will be connected through a screw thread with the corresponding impact body of casing (1) internal diameter (2) mounted on wherein one end of casing (1), shield
The medial surface of cylinder (1) is provided with internal thread, and the side of impact body (2) is provided with and the matched outer spiral shell of the internal thread of casing (1)
Line；
S2, make casing (1) connect impact body (2) end downward, to the stake position of ground (10) at squeeze into casing (1), until shield
Cylinder (1) sinks to required depth；
S3, montant (3) is inserted into casing (1), and the rotation section (31) of montant (3) lower end is made to be inserted into the blind hole of impact body (2)
Interior, rotation section (31) are engaged by clamping after being inserted into blind hole with blind hole；
S4, the axis rotation montant (3) around montant (3), make impact body (2) be moved up by the internal thread of casing (1), will rush
Body (2) taking-up is hit, and then the inside of casing (1) is made to form stake holes in ground (10)；
S5, pile pile (4) is put into stake holes, and pile pile (4) is made to keep vertical, casing (1) and the upper end of pile pile (4) stretch out in
The upper end opening of stake holes；
S6, according to squeezing into casing (1) at step S1 to step the S5 successively multiple positions on ground (10) and be put into pile pile
(4)；
S7, the concrete perfusion into each stake holes make concrete tamp the space between casing (1) and pile pile (4), therewith will shield
Cylinder (1) is extracted from stake holes；
S8, after the concrete setting between stake holes and pile pile (4), concrete setting is in the side of pile pile (4), and and pile pile
(4) foundation pile (5) that upper end stretches out in stake holes is collectively formed；
S9, the upper end for stretching out in stake holes in each foundation pile (5) drill, and the axis in the hole drilled out is in the horizontal direction；
Reinforcing bar is worn between S10, the hole drilled out in each foundation pile (5) upper end, the more reinforcing bars being interspersed form reinforced frame
(6)；
S11, template (7) is set up in the periphery of reinforced frame (6), forms a mold around reinforced frame (6)；
S12, the concrete perfusion into mold；
S13, after the concrete setting in mold, dismantle mold, pile framing is collectively formed in concrete and rebar frame (6).
2. a kind of construction method of deep foundation base according to claim 1, it is characterised in that：Rushing used in step S1
It hits body (2) and includes the cylinder (21) being mutually permanently connected and cone (22), one of bottom surface of the cylinder (21)
Identical with the bottom surface size of cone (22) and be mutually permanently connected, the external screw thread is arranged on the side of cylinder (21),
The blind hole is arranged on bottom surface of the cylinder (21) far from cone (22), and the vertex of the cone (22) is set downward.
3. a kind of construction method of deep foundation base according to claim 1, it is characterised in that：In step s 2, using weight
Hammer impacts impact body (2), and impact body (2) is made to squeeze surrounding soil and casing (1) is driven to sink.
4. a kind of construction method of deep foundation base according to claim 1, it is characterised in that：It is perpendicular used in step S3
The upper end of bar (3) is fixedly connected with cross bar (8), and cross bar (8) is connect with montant (3) in T fonts.
5. a kind of construction method of deep foundation base according to claim 4, it is characterised in that：The upper end of the montant (3)
Gore (32) is provided with, the triangle mating with the gore (32) is provided in the middle part of the cross bar (8)
Hole.
6. a kind of construction method of deep foundation base according to claim 1, it is characterised in that：Rotation section in step S3
(31) including the square block (311) being mutually permanently connected and rectangular pyramid block (312), the bottom surface of rectangular pyramid block (312) and square block
(311) bottom surface size is identical and is mutually permanently connected, and the vertex of rectangular pyramid block (312) is set downward；Correspondingly, the shape of blind hole
Shape is corresponding with the shape of rotation section (31).
7. a kind of construction method of deep foundation base according to claim 1, it is characterised in that：In step s 4, punching is taken out
After hitting body (2), the bottom of stake holes with soil is filled and led up, is then laid with geotextiles and steel plate successively toward the bottom of stake holes.
8. a kind of construction method of deep foundation base according to claim 1, it is characterised in that：In step s 5, toward stake holes
In be put into pile pile (4) after, steel reinforcement cage (9) is put between stake holes and pile pile (4).
9. a kind of construction method of deep foundation base according to claim 1, it is characterised in that：In step s 6, ground
(10) multiple positions on are in matrix distribution.
10. a kind of construction method of deep foundation base according to claim 9, it is characterised in that：In step s 9, Ge Geji
The hole that the upper end that stake (5) stretches out in stake holes is drilled out includes transverse holes and vertical hole；Reinforcing bar described in step S10 is included laterally
Reinforcing bar (61) and vertical reinforcement (62), and positioned at it is same it is horizontally-arranged on multiple foundation piles (5) between worn by transverse holes and connect one
Transverse steel (61) is worn between multiple foundation piles (5) on same vertical setting of types by vertical hole and connects a vertical reinforcement (62)；It is more
Root transverse steel (61) is located on two different horizontal planes, and more transverse steels respectively with more vertical reinforcements (62)
(61) and reinforced frame (6) described in step S10 is collectively formed in vertical reinforcement (62).
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| CN201810102421.3A CN108265694A (en) | 2018-02-01 | 2018-02-01 | A kind of construction method of deep foundation base |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110629742A (en) * | 2019-07-23 | 2019-12-31 | 深圳市惠深博越智慧建造科技有限公司 | Soft foundation bearing capacity improving method |
| CN110726513A (en) * | 2019-09-30 | 2020-01-24 | 中地泓通工程技术有限公司 | Hydraulic and hydroelectric engineering ground seepage detection positioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104074186A (en) * | 2014-07-22 | 2014-10-01 | 王继忠 | Pile casing device for hole formation in building foundation and construction method of building foundation |
| CN204252131U (en) * | 2014-07-22 | 2015-04-08 | 王继忠 | The casing device of pore-forming in a kind of building lot |
| CN204252120U (en) * | 2014-07-25 | 2015-04-08 | 王继忠 | The construction equipment of concrete pile |
| CN106013096A (en) * | 2016-07-02 | 2016-10-12 | 韩少鹏 | Construction method of building foundation |
| CN106087998A (en) * | 2016-08-11 | 2016-11-09 | 刘从波 | A kind of construction method combining multiple tube pile foundation |
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| CN104074186A (en) * | 2014-07-22 | 2014-10-01 | 王继忠 | Pile casing device for hole formation in building foundation and construction method of building foundation |
| CN204252131U (en) * | 2014-07-22 | 2015-04-08 | 王继忠 | The casing device of pore-forming in a kind of building lot |
| CN204252120U (en) * | 2014-07-25 | 2015-04-08 | 王继忠 | The construction equipment of concrete pile |
| CN106013096A (en) * | 2016-07-02 | 2016-10-12 | 韩少鹏 | Construction method of building foundation |
| CN106087998A (en) * | 2016-08-11 | 2016-11-09 | 刘从波 | A kind of construction method combining multiple tube pile foundation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110629742A (en) * | 2019-07-23 | 2019-12-31 | 深圳市惠深博越智慧建造科技有限公司 | Soft foundation bearing capacity improving method |
| CN110726513A (en) * | 2019-09-30 | 2020-01-24 | 中地泓通工程技术有限公司 | Hydraulic and hydroelectric engineering ground seepage detection positioner |
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