CN108193673A - A kind of steel pipe pile enclosure structure and its construction method that reciprocal slip casting can be achieved - Google Patents
A kind of steel pipe pile enclosure structure and its construction method that reciprocal slip casting can be achieved Download PDFInfo
- Publication number
- CN108193673A CN108193673A CN201810003803.0A CN201810003803A CN108193673A CN 108193673 A CN108193673 A CN 108193673A CN 201810003803 A CN201810003803 A CN 201810003803A CN 108193673 A CN108193673 A CN 108193673A
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- China
- Prior art keywords
- inner sleeve
- outer tube
- pipe pile
- steel
- slip casting
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Classifications
-
- 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
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
Abstract
A kind of steel pipe pile enclosure structure and its construction method that reciprocal slip casting can be achieved of the present invention, is related to underground engineering construction technical field.For the problem that existing steel pipe pile enclosure structure is limited there are water-stagnating effect, difficulty of construction increase.It includes several steel-pipe piles being set up in parallel, and steel-pipe pile includes steel pipe pile body and is fixed in an antithetical phrase of its outer wall, female locking device, and the son of adjacent two steel-pipe piles, female locking device are mutually twisted and are integrated；Son lock includes the inner sleeve for being fixed in the outer tube of steel pipe pile body and being matched therewith, inside and outside casing threads connection, and the side wall of inside and outside casing is equipped with corresponding multiple injected holes.During slip casting state, rotate inner sleeve, make the injected hole hole position alignment of inside and outside casing, slip casting is carried out in inner sleeve, by slurries by injected hole force feed to the gap between son, female locking device, water stopping function is realized, after slip casting, rotation inner sleeve opens the injected hole hole dislocation of inside and outside casing, implements inner sleeve and rinses operation.
Description
Technical field
The present invention relates to underground engineering construction technical field, more particularly to a kind of steel-pipe pile that reciprocal slip casting can be achieved is gone along with sb. to guard him
Structure and its construction method.
Background technology
In soft clay area, for foundation pit steel pipe pile enclosure structure more using following two structure types, one kind is steel-pipe pile
It is combined with water-stop curtain, another kind is that adjacent two steel-pipe piles are mutually twisted and are connected as one using son, female locking device.
As shown in Figure 1, the steel-pipe pile 1 continuously set realizes sealing work(with the form that stirring pile water stopping curtain 2 is combined
Can, but engineering construction cost is significantly increased, moreover, because stirring 2 construction quality of pile water stopping curtain is irregular, sealing effect
Fruit is bad, the situation of part or large-scale water leakage often occurs, it is still necessary to bored grouting sealing.As shown in Fig. 2, adjacent two steel
Pile pile 3 realizes water stopping function by son, the type of attachment that is mutually twisted of female locking device, by increase underground water around flow path,
But due to construction or other reasons cause subsurface flow channel resistance smaller when, water-stagnating effect significantly weakens, due to need from
Bored grouting construction is carried out in lock, difficulty of construction significantly increases.
Invention content
The type of attachment being mutually twisted for existing steel pipe pile enclosure structure, female locking device is limited there are water-stagnating effect, needs
Strengthen the problem of sealing causes difficulty of construction to increase from lock internal drilling slip casting.It can be achieved the object of the present invention is to provide one kind past
The steel pipe pile enclosure structure and its construction method of multiple slip casting, clockwise or counterclockwise inner sleeve can be aligned or be staggered in,
The hole position of outer tube injected hole, and then reciprocal slip casting is realized to improve water-stagnating effect in the gap between antithetical phrase, female locking device.
The technical solution adopted by the present invention to solve the technical problems is：A kind of steel-pipe pile that reciprocal slip casting can be achieved is gone along with sb. to guard him
Structure, including several steel-pipe piles being set up in parallel, the steel-pipe pile includes steel pipe pile body and along the steel-pipe pile body shaft
Line set and be fixed in steel-pipe pile body outer wall a pair of of female locking device and son latch, the female locking device of adjacent two steel-pipe piles and
Son lock, which is mutually twisted, to be integrated；
The sub- lock include be fixed in steel pipe pile body outer tube and with the matched inner sleeve of outer tube, bottom end
The inner sleeve of closing is sheathed in outer tube and is threadedly coupled with outer tube, and the female locking device cross section is in " C " shape, and the mother
The notch of lock is set far from steel-pipe pile body axis direction, and the outer tube of the son lock of adjacent two steel-pipe piles is snapped in
In the notch of female locking device, moreover, multiple slip casting hole sites of the inner sleeve and outer tube side wall setting are corresponding, it is adjacent
Two injected holes in the circumferential direction spacing be more than injected hole diameter.
Preferably, the external screw thread of the internal thread of the outer tube side wall and the inner sleeve side wall may be contained within top
The top of the injected hole.
Preferably, the slip casting hole site of the inner sleeve and the outer tube side wall is corresponding, the injected hole from upper and
Under be distributed in the side wall of the outer tube or inner sleeve, and the injected hole is along the circumferential direction and/or axis direction is equidistantly arranged
Row.
Preferably, the slip casting hole site of the inner sleeve and the outer tube side wall is corresponding, along the outer tube or interior
Several injected holes composition hole group of casing axis direction setting, multiple hole groups are with the outer tube or inner sleeve axis
Centered on be spirally distributed in the side wall of the outer tube or inner sleeve from top to bottom.
Preferably, the injected hole of the outer tube is distributed in its side wall from top to bottom, the inner sleeve along its axis side
Hole group is formed to multiple injected holes of setting, multiple hole groups are in spiral shell from top to bottom centered on the inner sleeve axis
Revolve shape distribution, and on the outer tube and the inner sleeve side wall the two neighboring injected hole spacing it is equal.
Preferably, the top of the inner sleeve is additionally provided with handle.
Preferably, the housing pipe outer wall is provided with socket along its short transverse, and the steel-pipe pile body outer wall is high along it
Degree direction is provided with bellmouth, and socket joint connects between the outer tube and the steel pipe pile body.
In addition, the present invention also provides a kind of construction method for the steel pipe pile enclosure structure that reciprocal slip casting can be achieved, step
It is as follows：
S1：The prefabricated processing steel-pipe pile, female locking device and bellmouth is respectively and fixedly connected in the both sides of steel-pipe pile body outer wall, and pre-
The outer tube and inner sleeve of system lock, the housing pipe outer wall fix socket, and the outer tube is held with the steel pipe pile body
Insert connection；
S2：The steel pipe pile body and outer tube to fix as one along foundation pit sideline successively injection, it is two neighboring described
Outer tube between steel-pipe pile is sheathed on the connection of female locking device internal gearing, earth excavation and borehole cleaning in the outer tube is carried out, by institute
It states inner sleeve to be sheathed in the outer tube, the inner sleeve is connect with the screw top of the outer tube；
S3：During slip casting state, the inner sleeve is rotated, makes the injected hole hole of the inner sleeve and outer tube position right
Together, slip casting is carried out in the inner sleeve, by slurries by the injected hole force feed to the female locking device and the sub- lock it
Between gap, realize water stopping function, after slip casting, rotate the inner sleeve, make the note of the inner sleeve and the outer tube
Slurry hole hole dislocation is opened, and is implemented the inner sleeve and is rinsed operation.
Preferably, step S4 is further included, when needing to repeat slip casting, rotating the inner sleeve again makes the inner sleeve and institute
The injected hole hole position alignment of outer tube is stated, carries out reciprocal slip casting operation.
Preferably, the step S1 is further included, and flexible material is wrapped up in the housing pipe outer wall.
Effect of the invention is that：
First, the steel pipe pile enclosure structure of reciprocal slip casting can be achieved in the present invention, and the female locking device and son of adjacent two steel-pipe piles are locked
Button, which is mutually twisted, to be connected as one, and sub- lock includes the inner sleeve and outer tube of nested setting, and outer tube is held with steel pipe pile body
Connection is inserted, inner sleeve and outer tube are threadedly coupled, and corresponding multiple injected holes are distributed in the side wall of inner sleeve and outer tube,
Clockwise or counterclockwise inner sleeve can be aligned or be staggered inside and outside casing injected hole hole position, and then antithetical phrase, female locking device it
Between gap realize reciprocal slip casting to improve water-stagnating effect；For each component of steel-pipe pile respectively by prefabrication, reliable in quality is guaranteed,
Each component conveying reduces difficulty of construction, improves work efficiency, reduce construction site to construction site prefabricated construction
Environmental pollution；Due to the outside water-stop curtain without in addition setting fender post, engineering cost further reduced；In addition, slip casting
Kong Kongwei can be customized according to hydrogeological situation and adjust in real time, realize precisely stopping for steel pipe pile enclosure structure
Water function improves the degree that becomes more meticulous of construction.
2nd, the construction method of a kind of steel pipe pile enclosure structure that reciprocal slip casting can be achieved of the invention, it is first, pre- in factory
Each component of steel-pipe pile processed is simultaneously transported to construction site, the steel pipe pile body and outer tube that injection fixes as one successively, adjacent two
Outer tube between a steel-pipe pile is sheathed on the connection of female locking device internal gearing, and the outer tube after borehole cleaning is embedded in inner sleeve, up time
Needle or counterclockwise rotation inner sleeve can be aligned or be staggered the hole position of inside and outside casing injected hole, and then between antithetical phrase, female locking device
Reciprocal slip casting is realized to improve water-stagnating effect in gap, and the construction method is by controlling inside and outside casing injected hole alignment or the reality that is staggered
Now reciprocal slip casting, step is succinct, easy to operate, reduces difficulty of construction, moreover, because reciprocal slip casting has been obviously improved and has gone along with sb. to guard him knot
The water-stagnating effect of structure, avoids percolating water phenomenon, reduces the workload of follow-up maintenance.
Description of the drawings
Fig. 1 is the schematic diagram of foundation pit steel pipe pile enclosure structure that existing steel-pipe pile is combined with water-stop curtain；
Fig. 2 is the schematic diagram of foundation pit steel pipe pile enclosure structure that existing sub, female locking device is mutually twisted；
Fig. 3 is the steel pipe pile body of one embodiment of the invention and the structure diagram of each component before son lock assembling；
Fig. 4 is the structure diagram of the steel-pipe pile of one embodiment of the invention；
Fig. 5 is that the two neighboring steel-pipe pile of one embodiment of the invention is mutually twisted the schematic diagram of connection；
Fig. 6 is that the son of one embodiment of the invention latches the schematic diagram of inside and outside casing connection relationship；
Fig. 7 is that the inside and outside casing of one embodiment of the invention is in the schematic diagram of slip casting working condition；
Fig. 8 is that the inside and outside casing of one embodiment of the invention is in the schematic diagram of non-slip casting working condition
Fig. 9~Figure 11 is the schematic diagram that the housing tube wall of one embodiment of the invention is unfolded.
Figure label is as follows：
Steel-pipe pile 10；Steel pipe pile body 11；Female locking device 14；Son lock 15；Inner sleeve 151；Injected hole 1；Outer tube
153；Injected hole 2 154；Socket 155；Bellmouth 16.
Specific embodiment
A kind of steel-pipe pile that reciprocal slip casting can be achieved proposed by the present invention is gone along with sb. to guard him below in conjunction with the drawings and specific embodiments
Structure and its construction method are described in further detail.According to following explanation and claims, advantages of the present invention and spy
Sign will become apparent from.It should be noted that attached drawing is using very simplified form and uses non-accurate ratio, only to side
Just the purpose of the embodiment of the present invention, is lucidly aided in illustrating.For sake of convenience, " on ", " under " described below and attached drawing
Upper and lower direction is consistent, but this can't be the limitation of technical solution of the present invention.
Embodiment one：Illustrate that the steel pipe pile enclosure structure of reciprocal slip casting can be achieved in the present invention with reference to Fig. 3 to Figure 11, it includes
Several steel-pipe piles 10 being set up in parallel, steel-pipe pile 10 include steel pipe pile body 11 and are respectively and fixedly connected with along its short transverse in steel
A pair of of female locking device 14 of 11 outer wall of pile pile ontology and son lock 15, the axis of steel pipe pile body 11, sub- lock 15 and female locking device 14
Parallel, the female locking device 14 and son lock 15 of adjacent two steel-pipe piles 10 are mutually twisted and are connected as one；As shown in Figure 1 and Figure 4, it is sub
Lock 15 include be fixed in steel pipe pile body 11 outer tube 153 and with 153 matched inner sleeve 151 of outer tube, bottom end envelope
The inner sleeve 151 closed is sheathed in outer tube 153 and is threadedly coupled with outer tube 153；14 cross section of female locking device is in " C " shape, and
The notch of female locking device 14 is set far from 11 axis direction of steel pipe pile body, the outer tube of the son lock 15 of adjacent two steel-pipe piles 10
153 are snapped in the notch of female locking device 14, and multiple injected holes 1 of 151 side wall of inner sleeve setting are set with 153 side wall of outer tube
The multiple injected holes 2 154 put are corresponding, two neighboring injected hole 1 (or injected hole 2 154) spacing in the circumferential direction
More than the diameter of injected hole 1 (or injected hole 2 154).The inner sleeve 151, outer tube 153 and female locking device 14 of the present embodiment
It is processed by the steel pipe with circular cross section.As shown in figure 5, in slip casting state, rotation inner sleeve 15 1 so that in,
The injected hole 1 of outer tube 153 and the alignment of 2 154 hole of injected hole position, implement slip casting, slurries pass through note in inner sleeve 151
Hole 1 and 2 154 force feed of injected hole are starched to the gap between son, female locking device 14, realizes water stopping function；As shown in fig. 6, slip casting
After, rotation inner sleeve 151 is so that the injected hole 1 and 2 154 hole dislocation of injected hole of inside and outside casing 153 are opened, in implementation
Casing 151 rinses operation.
The steel pipe pile enclosure structure of reciprocal slip casting, the female locking device 14 and son of adjacent two steel-pipe piles 10 can be achieved in the present invention
Lock 15, which is mutually twisted, to be connected as one, and sub- lock 15 includes the inner sleeve 151 and outer tube 153 of nested setting, outer tube 153
It being connect with 11 socket joint of steel pipe pile body, inner sleeve 151 and outer tube 153 are threadedly coupled, and inner sleeve 151 and outer tube 153
Corresponding multiple injected holes are distributed in side wall, and inner sleeve 151 can be aligned or be staggered inside and outside set clockwise or counterclockwise
The hole position of 153 injected hole of pipe, and then reciprocal slip casting is realized to improve water-stagnating effect in the gap between antithetical phrase, female locking device 14；Steel pipe
10 each components of stake are respectively by prefabrication, and reliable in quality is guaranteed, and each component conveying is reduced to construction site prefabricated construction
Difficulty of construction improves work efficiency, and reduces the environmental pollution of construction site；Due to the outside without in addition setting fender post
Water-stop curtain further reduced engineering cost；In addition, injected hole hole position can be customized according to hydrogeological situation
With real-time adjustment, the accurate water stopping function of steel pipe pile enclosure structure is realized, improves the degree that becomes more meticulous of construction.
As shown in fig. 6, the external screw thread of 151 side wall of internal thread and inner sleeve of 153 side wall of outer tube may be contained within most pushing up
The top of portion's injected hole avoids slurry plugs screw thread, influences being smoothed out for slip casting operation.
Fig. 9~Figure 11 is the distribution form for illustrating injected hole by taking 153 tube wall unfolded state of outer tube as an example, as shown in fig. 7,
Injected hole 2 154 below internal thread is abound with from top to bottom in 153 side wall of outer tube, and injected hole 2 154 is circumferentially square
To and/or axis direction equidistantly arrange, the distribution form in 151 side wall grouting hole 1 of inner sleeve is identical with outer tube 153,
Injected hole 1, injected hole 2 154 are distributed in 153 side wall of inner sleeve 151 and outer tube so that slip casting operation is more uniform；Make
For another embodiment, as shown in Fig. 8, several injected holes 2 154 set along 153 axis direction of outer tube form hole group, more
A hole group is spirally distributed in 153 side wall of outer tube from top to bottom centered on 153 axis of outer tube, also can be such as Fig. 9 institutes
Show, 2 154 distribution form of injected hole of 153 side wall of outer tube is taken by the equidistant injected hole 2 154 of several columns and helical form point
The mode that cloth hole group is combined, the distribution form in 151 side wall grouting hole 1 of inner sleeve are identical with outer tube 153；It introduces complete
Portion or the injected hole distribution form of local helical shape distribution hole group, can ensure that slurries fill son, female locking device 14 from top to bottom
Between gap, moreover, for injected hole is abound in the structure of 153 side wall of outer tube, the outer tube 153 of the embodiment
Tube wall it is more rigid, tube wall is deformed or is damaged during can avoiding mortar depositing construction；As most preferred embodiment, outer tube
The form being abound in side wall is taken in 1 53 side wall grouting holes 2 154, and injected hole 2 154 is along the circumferential direction and/or axis direction
Equidistantly arrangement, and the injected hole 1 of 151 side wall of inner sleeve takes the whole or local helical shape as shown in Fig. 8 or Fig. 9
The injected hole distribution form of hole group is distributed, in the work progress of rotation inner sleeve 151, above-mentioned setting is more advantageous to inner sleeve
The injected hole 1 of 151 hole groups is corresponding with the injected hole 2 154 of outer tube 15 3.In addition, the note cited by the present embodiment
It is only an example to starch pore size distribution form, and specific in practice of construction, distribution form, quantity and the hole spacing of injected hole can roots
It is formulated according to engineering geological condition (such as soil body osmotic coefficient and groundwater occurrence).
As shown in figure 3,153 outer wall of outer tube along its short transverse be equipped with socket 155,11 outer wall of steel pipe pile body along its
Short transverse is equipped with bellmouth 16, and socket joint connects between outer tube 153 and steel pipe pile body 11.Socket 155 is by elongate steel plate system
Into the U-shaped profile of bellmouth 16, socket 155, which is inserted into the U-lag mouth of bellmouth, realizes socket joint connection, and socket joint connection is divided into just
Property socket joint connection and flexible socket joint connect two kinds of forms, it is first to use filleting after socket 155 and the contraposition of bellmouth 16 that rigid socket joint, which connects,
Material filleting, is then sealed with sealing material, and outer tube 153 is made to be connected to become a firm entirety with steel pipe pile body 11；
Flexible socket joint connection is that flexible rubber ring is put into bellmouth 16, then exerts a force and is inserted into the socket 155 of outer tube 153
Bellmouth 16 forms the connection entirety for adapting to a certain range intrinsic displacement and vibration.
For ease of rotating inner sleeve 151, the top of above-mentioned inner sleeve 151 is additionally provided with handle；As shown in fig. 6, the present embodiment
Middle handle is vertically disposed two rod pieces, and the end of two rod pieces and the inner wall of inner sleeve 151 are welded and fixed, and rod piece can be by steel
Muscle or minor-diameter steel-tube are made, and certainly, other structures form can also be used in handle, it is not limited to this, in order to hold and revolve
Turning inner sleeve 151 is advisable.
Embodiment two：Illustrate a kind of steel pipe pile enclosure structure that reciprocal slip casting can be achieved of the present invention with reference to Fig. 3 to Figure 11
Construction method, be as follows：
S1：Be prefabricated in the factory steel-pipe pile 10 of the processing as described in embodiment one, in the both sides of 11 outer wall of steel pipe pile body point
Not affixed female locking device 14 and bellmouth 16, and the outer tube 153 and inner sleeve 151 of pre- system lock 15 respectively, 153 outer wall of outer tube
Socket 155 is welded with, the structure diagram of each component, arrow before Fig. 3 is 15 assembling of steel pipe pile body 11 and son lock
Represent the assembly relation between component, outer tube 153 is effectively connect with steel pipe pile body 11 by socket joint realization；
S2：The steel pipe pile body 11 and outer tube 153 to fix as one along foundation pit sideline successively injection, two neighboring steel pipe
Outer tube 153 between stake 10 is sheathed on the connection of 14 internal gearing of female locking device, carries out earth excavation in outer tube 15 3, and further
Borehole cleaning construction is carried out, as shown in Figure 3 and Figure 6, inner sleeve 151 is embedded in outer tube 153, inner sleeve 151 is pushed up with outer tube 153
Portion is threadedly coupled, and the hole position adjustment of injected hole is carried out by inner sleeve 151 clockwise or counterclockwise；
S3：As shown in fig. 7, in slip casting state, inner sleeve 151 is rotated, makes inside and outside 153 injected hole 1 of casing and note
The alignment of 2 154 hole of hole position is starched, slip casting is carried out in inner sleeve 151, and slurries are passed through into injected hole 1 and injected hole 2 154
Force feed realizes water stopping function to the gap between female locking device 14 and son lock 15；As shown in figure 8, after slip casting, inner sleeve is rotated
Pipe 151 opens inside and outside 153 injected hole 1 of casing and 2 154 hole dislocation of injected hole, implements inner sleeve 151 and rinses operation；When
When needing to repeat slip casting, rotating inner sleeve 151 again makes inner sleeve 151, the injected hole 1 of outer tube 153 and injected hole two
The alignment of 154 holes position, carries out reciprocal slip casting operation.
The construction method of a kind of steel pipe pile enclosure structure that reciprocal slip casting can be achieved of the present invention, first, in prefabrication
10 each component of steel-pipe pile is simultaneously transported to construction site, the steel pipe pile body 11 and outer tube 153 that injection fixes as one successively,
Outer tube 153 between two neighboring steel-pipe pile 10 is sheathed on 14 internal gearing of female locking device and connects, in the outer tube 153 after borehole cleaning
Embedded inner sleeve 151, clockwise or counterclockwise inner sleeve 151 can be aligned or be staggered inside and outside 153 injected hole of casing
Kong Wei, and then reciprocal slip casting is realized to improve water-stagnating effect in the gap between antithetical phrase, female locking device 14, which passes through control
Inside and outside 153 injected hole of casing alignment or the reciprocal slip casting of realization that is staggered, step is succinct, easy to operate, reduces difficulty of construction, and
And since reciprocal slip casting has been obviously improved the water-stagnating effect of building enclosure, percolating water phenomenon is avoided, reduces follow-up maintenance
Workload.
The step S1 is further included, and wraps up flexible material in 153 outer wall of outer tube, the soil body is prevented to enter in injected hole, into
And block injected hole.Flexible material such as Bituminous hemp fiber, polystyrene board, polyvinyl chloride foam plate etc..
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to right.
Claims (10)
1. a kind of steel pipe pile enclosure structure that reciprocal slip casting can be achieved, which is characterized in that including：
Several steel-pipe piles being set up in parallel, the steel-pipe pile include steel pipe pile body and are set along the steel-pipe pile body axis
It puts and is fixed in a pair of of female locking device of steel-pipe pile body outer wall and son lock, the female locking device and son of adjacent two steel-pipe piles are locked
Button, which is mutually twisted, to be integrated；
The sub- lock include be fixed in steel pipe pile body outer tube and with the matched inner sleeve of outer tube, bottom end closure
Inner sleeve be sheathed in outer tube and be threadedly coupled with outer tube, the female locking device cross section is in " C " shape, and the female locking device
Notch far from steel-pipe pile body axis direction set, adjacent two steel-pipe piles son lock outer tube be snapped in female lock
In the notch of button, moreover, multiple slip casting hole sites of the inner sleeve and outer tube side wall setting are corresponding, it is two neighboring
The injected hole in the circumferential direction spacing be more than injected hole diameter.
2. steel pipe pile enclosure structure according to claim 1, it is characterised in that：The internal thread of the outer tube side wall and
The external screw thread of the inner sleeve side wall may be contained within the top of injected hole described in top.
3. steel pipe pile enclosure structure according to claim 2, it is characterised in that：The inner sleeve and the outer tube side wall
Slip casting hole site it is corresponding, the injected hole is distributed in the side wall of the outer tube or inner sleeve, and the note from top to bottom
It starches hole along the circumferential direction and/or axis direction equidistantly arranges.
4. steel pipe pile enclosure structure according to claim 2, it is characterised in that：The inner sleeve and the outer tube side wall
Slip casting hole site it is corresponding, several injected holes set along the outer tube or inner sleeve tube axis direction form hole group, more
A hole group be spirally distributed in from top to bottom centered on the outer tube or inner sleeve axis the outer tube or
The side wall of inner sleeve.
5. steel pipe pile enclosure structure according to claim 2, it is characterised in that：The injected hole of the outer tube is from top to bottom
Its side wall is distributed in, the multiple injected holes set along its axis direction of the inner sleeve form hole group, multiple holes
Group is spirally distributed from top to bottom centered on the inner sleeve axis, and phase on the outer tube and the inner sleeve side wall
The spacing of adjacent two injected holes is equal.
6. steel pipe pile enclosure structure according to claim 1, it is characterised in that：The top of the inner sleeve is additionally provided with hand
Handle.
7. steel pipe pile enclosure structure according to any one of claims 1 to 6, it is characterised in that：The housing pipe outer wall edge
Its short transverse is provided with socket, and the steel-pipe pile body outer wall is provided with bellmouth, the outer tube and institute along its short transverse
Socket joint connects between stating steel pipe pile body.
8. a kind of construction method for the steel pipe pile enclosure structure that reciprocal slip casting can be achieved, which is characterized in that step is as follows：
S1：Prefabricated processing steel-pipe pile as described in any one of claim 1 to 7, is respectively and fixedly connected in the both sides of steel-pipe pile body outer wall
Female locking device and bellmouth, and the outer tube and inner sleeve of pre- system lock, the housing pipe outer wall fix socket, the outer tube with
The steel pipe pile body socket joint connection；
S2：The steel pipe pile body and outer tube to fix as one along foundation pit sideline successively injection, the two neighboring steel pipe
Outer tube between stake is sheathed on the connection of female locking device internal gearing, carries out earth excavation and borehole cleaning in the outer tube, will be described interior
Casing is sheathed in the outer tube, and the inner sleeve is connect with the screw top of the outer tube；
S3：During slip casting state, the inner sleeve is rotated, makes the alignment of the injected hole hole of the inner sleeve and outer tube position,
Slip casting is carried out in the inner sleeve, by slurries by between the injected hole force feed to the female locking device and the sub- lock
Gap realizes water stopping function, after slip casting, rotates the inner sleeve, make the injected hole hole of the inner sleeve and the outer tube
Dislocation is opened, and is implemented the inner sleeve and is rinsed operation.
9. construction method according to claim 8, it is characterised in that：Step S4 is further included, when needing to repeat slip casting, again
Rotating the inner sleeve makes the alignment of the injected hole hole of the inner sleeve and outer tube position, carries out reciprocal slip casting operation.
10. construction method according to claim 8, it is characterised in that：The step S1 is further included, outside the outer tube
Wall wraps up flexible material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810003803.0A CN108193673A (en) | 2018-01-03 | 2018-01-03 | A kind of steel pipe pile enclosure structure and its construction method that reciprocal slip casting can be achieved |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810003803.0A CN108193673A (en) | 2018-01-03 | 2018-01-03 | A kind of steel pipe pile enclosure structure and its construction method that reciprocal slip casting can be achieved |
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| CN110158608A (en) * | 2019-05-22 | 2019-08-23 | 安徽省城建设计研究总院股份有限公司 | A kind of double piling wall |
| CN110453690A (en) * | 2019-09-10 | 2019-11-15 | 山东建筑大学 | A kind of recyclable Anchored Sheet Pile Wall for Excavation structure and construction method |
| CN111577329A (en) * | 2020-04-30 | 2020-08-25 | 中国五冶集团有限公司 | Pipe curtain construction structure and construction method |
| CN111608188A (en) * | 2020-05-25 | 2020-09-01 | 上海建工集团股份有限公司 | Foundation pit supporting structure and construction method thereof |
| CN112878350A (en) * | 2021-01-15 | 2021-06-01 | 北京市市政四建设工程有限责任公司 | Construction method for accurate grouting waterproof curtain of deep-buried underground excavation station |
| CN115492086A (en) * | 2022-11-01 | 2022-12-20 | 云南建投第一勘察设计有限公司 | Post-grouting steel pipe pile and grouting method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110158608A (en) * | 2019-05-22 | 2019-08-23 | 安徽省城建设计研究总院股份有限公司 | A kind of double piling wall |
| CN110453690A (en) * | 2019-09-10 | 2019-11-15 | 山东建筑大学 | A kind of recyclable Anchored Sheet Pile Wall for Excavation structure and construction method |
| CN110453690B (en) * | 2019-09-10 | 2021-09-10 | 山东建筑大学 | Recyclable foundation pit pile anchor supporting structure and construction method |
| CN111577329A (en) * | 2020-04-30 | 2020-08-25 | 中国五冶集团有限公司 | Pipe curtain construction structure and construction method |
| CN111608188A (en) * | 2020-05-25 | 2020-09-01 | 上海建工集团股份有限公司 | Foundation pit supporting structure and construction method thereof |
| CN112878350A (en) * | 2021-01-15 | 2021-06-01 | 北京市市政四建设工程有限责任公司 | Construction method for accurate grouting waterproof curtain of deep-buried underground excavation station |
| CN115492086A (en) * | 2022-11-01 | 2022-12-20 | 云南建投第一勘察设计有限公司 | Post-grouting steel pipe pile and grouting method |
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