CN106400787B - The construction method of bored concrete pile is made of extended position double steel bar cage - Google Patents
The construction method of bored concrete pile is made of extended position double steel bar cage Download PDFInfo
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- CN106400787B CN106400787B CN201610657121.2A CN201610657121A CN106400787B CN 106400787 B CN106400787 B CN 106400787B CN 201610657121 A CN201610657121 A CN 201610657121A CN 106400787 B CN106400787 B CN 106400787B
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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
- E02D5/36—Concrete or concrete-like piles cast in position ; Apparatus for making same making without use of mouldpipes or other moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F31/00—Making meshed-ring network from wire
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- 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)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to building fields, and in particular to the construction method of bored concrete pile is made of extended position double steel bar cage, includes the following steps：1st, steel reinforcement cage is prepared：Design calculates steel reinforcement cage size, is produced by size steel reinforcement cage；Steel reinforcement cage need to stretch the position of muscle in the top indicator of steel reinforcement cage after preparing；2nd, pile hole：Make between the internal diameter of stake holes and the outer diameter of steel reinforcement cage that there are certain intervals；3rd, side opening is opened：Using broaching equipment, multiple side openings are opened up on the side wall of stake holes, and in the position of stake holes top indicator side opening and set up the absolute altitude of side opening；4th, steel reinforcement cage is hung：Steel reinforcement cage is hung above stake holes so that the label of the label and side opening at the top of stake holes of the top stretching, extension muscle of steel reinforcement cage aligns, and stretching, extension muscle is kept to be in rounding state；Steel reinforcement cage is put down, steel reinforcement cage is made slowly to be inserted into stake holes, steel reinforcement cage is hung onto specified altitude assignment by the absolute altitude of corresponding side opening, after reaching absolute altitude, cage body in movement, expansion stretching, extension muscle；5th, casting concrete pile.
Description
Technical field
The present invention relates to building fields, and in particular to the construction method of bored concrete pile is made of extended position double steel bar cage.
Background technology
Pilework is the foundation structure generally used in the buildings such as house, highway, bridge and harbour.Wherein, friction pile is
By stake side frictional resistance support vertical load stake, from the point of view of the principle of friction pile, pile side friction remove with soil property, apply
Work technique, material of body of a pile etc. have outside the Pass, also directly related with the concaveconvex shape of stake cross-sectional circumference perimeter and stake side surface.It is and conventional
The cross sectional shape of reinforced concrete pile is constant along longitudinal direction, and cross sectional shape is also simple rectangular or round, in this way, conventional steel
If reinforced concrete friction pile will obtain higher vertical bearing capacity, only by increasing, stake is long to improve side friction.But
Stake is long arbitrarily to increase, because project cost is not only significantly increased, but also the long slenderness ratio in by related design specification of stake is limited
System.For example, a kind of multiple holes grouting pipe shaped pile disclosed in CN104179174A, sets injected hole, by concrete in pile pile side wall
The friction coefficient to form Seed harvest to improve side wall is overflowed from injected hole, so as to improve frictional resistance, however, being free of in the Seed harvest
There is reinforcing bar, Seed harvest is more crisp, is easily broken under high intensity pressure, so as to influence the load performance of stake.
Invention content
The purpose of the present invention is to solve the problems in background technology, provides a kind of using extended position double steel bar cage
The construction method of bored concrete pile is made.
The present invention above-mentioned technical purpose technical scheme is that：
The construction method of bored concrete pile is made of extended position double steel bar cage, includes the following steps：
Step 1 prepares steel reinforcement cage：Design calculates steel reinforcement cage size, is produced by size steel reinforcement cage；The steel reinforcement cage includes,
Outer cage body, interior cage body and stretching, extension muscle；The interior cage body is arranged on outer cage body and surrounds in the inner space that forms, and with along
The function that steel reinforcement cage is axially moved, the outer cage body include outer cage main reinforcement and outer cage stirrup, and the interior cage body includes interior cage main reinforcement
With interior cage stirrup, the stretching, extension muscle is hinged on by linkage section on outer cage stirrup, and the both sides of linkage section are respectively to stretch top rib portion
The extension section and stretching, extension muscle root stretched out on the outside of outer cage body stretch into the positioning section on the inside of outer cage body, the interior cage stirrup including to
The connection stirrup of cage main reinforcement and the positioning stirrup to position stretching, extension muscle, the positioning section have the resistance in positioning stirrup in connection
Under gear effect, the function of the rotational angle of positioning stretching, extension muscle；Steel reinforcement cage need to stretch after preparing in the top indicator of steel reinforcement cage
The position of muscle；
Step 2, pile hole：Make between the internal diameter of stake holes and the outer diameter of steel reinforcement cage that there are certain intervals；
Step 3 opens side opening：Using broaching equipment, multiple side openings are opened up on the side wall of stake holes, and marked at the top of stake holes
Remember the position of side opening and set up the absolute altitude of side opening；
Step 4 hangs steel reinforcement cage：Steel reinforcement cage is hung above stake holes, the position of adjustment steel reinforcement cage is rotated during handling,
So that the label of the label and side opening at the top of stake holes of the top stretching, extension muscle of steel reinforcement cage aligns, outer cage is kept during handling simultaneously
Body and the axial position of interior cage body are poor so that stretching, extension muscle is in rounding state；Steel reinforcement cage is put down, steel reinforcement cage is made slowly to be inserted into stake holes
Interior, steel reinforcement cage is hung onto specified altitude assignment by the absolute altitude of corresponding side opening, after reaching absolute altitude, cage body in movement, and expansion stretching, extension muscle；
Step 5, casting concrete pile.
Preferably, the production method of steel reinforcement cage is in the step 1：1. it is for use to make several stretching, extension muscle；2. by several
Long reinforcing bar is placed on moulding bed and positions, and interior cage main reinforcement is made, and then several bar dowels are enclosed in outside interior cage main reinforcement and are welded, system
Into interior cage stirrup, the making of cage body in completion；3. the peripheral position of several long reinforcing bar interior cage bodies on moulding bed is positioned, as outer
The outer cage main reinforcement of cage body；4. several bar dowels are enclosed in outer cage main reinforcement, while the linkage section for stretching muscle is several through this
On bar dowel, then several bar dowels and outer cage main reinforcement are welded, form outer cage stirrup.
Preferably, the linkage section includes the lengths of rebar in the middle part of arch steel and the stretching, extension muscle, the arch steel
Two endpoints be separately fixed at the both ends of the lengths of rebar so that linkage section forms the annular region being closed, the stretching, extension muscle
Preparation method be：1. by a bar bending camber；2. two endpoints of arch steel after bending are welded to one
In straight steel bar.
Preferably, the linkage section is open ring structure, the both ends of split ring are connected respectively with extension section and positioning section,
It is described stretching, extension muscle preparation method be：A straight steel bar is taken, one end therein is bent into an open ring structure.
Preferably, the linkage section is spiral coil, the both ends of spiral coil are connected respectively with extension section and positioning section, described
Stretching, extension muscle preparation method be：A straight steel bar is taken, is carried out twisted, bending part forms linkage section.
Preferably, the double-layer structure that the positioning stirrup is formed by two parallel circular boops, the positioning section are arranged on
Between two parallel circular boops.
Preferably, the length of the positioning section is more than the difference of the radius of outer cage body and interior cage body.
Preferably, it is provided with support locating rod between outer cage stirrup and interior cage stirrup at the top of the steel reinforcement cage.
Preferably, the support locating rod is dismountable straight-bar, in the step 4, in steel reinforcement cage handling, pass through
Locating rod is supported, which to fix, keeps the axial position of outer cage body and interior cage body poor；After the completion of steel reinforcement cage handling, support locating rod is unloaded,
Muscle is stretched with expansion.
Preferably, support locating rod is the folding rod with bending function, it is described including the first pole and the second pole
First pole is hinged with the second pole, and first pole and the second pole hinged place are also respectively provided with lock, the step 4
In, in steel reinforcement cage handling, buckle lock so that the hinge of first pole and the second pole is fixed, and makes support locating rod
The fixed axial position for keeping outer cage body and interior cage body is poor；After the completion of steel reinforcement cage handling, lock is released, support locating rod is described
Bending at the hinge of first pole and the second pole, so as to be unfolded to stretch muscle.
In conclusion beneficial effects of the present invention：
1. the construction method of the present invention that bored concrete pile is made of extended position double steel bar cage is set in side surface
Muscle is stretched, the frictional force of pile body side wall is increased, so as to reduce driving depth, reduces piling construction cost.
2. the construction method of the present invention that bored concrete pile is made of extended position double steel bar cage, including inside and outside two circles
Steel reinforcement cage improves the load load of reinforcing bar cage body axial direction.
3. the construction method of the present invention that bored concrete pile is made of extended position double steel bar cage, stretches living for muscle
Dynamic property, does not need to additionally increase stake holes diameter, while increase side wall stress performance.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure chart that muscle is stretched in the present invention；
Fig. 3 is the structure chart that muscle is stretched in the embodiment of the present invention 2；
Fig. 4 is the structure chart that muscle is stretched in the embodiment of the present invention 3；
Fig. 5 is the structure diagram of the embodiment of the present invention 4；
Fig. 6 is the schematic diagram that locating rod is supported in the present invention.
Specific embodiment
Specific examples below is only explanation of the invention, is not limitation of the present invention, art technology
Personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but as long as
It is all protected in scope of the presently claimed invention by Patent Law.
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1：
According to Fig. 1, Fig. 2, the construction method of bored concrete pile is made of extended position double steel bar cage, including following step
Suddenly：
Step 1 prepares steel reinforcement cage：Design calculates steel reinforcement cage size, is produced by size steel reinforcement cage；
Steel reinforcement cage includes, outer cage body 1, interior cage body 2 and stretching, extension muscle 3；It is interior around forming that interior cage body 2 is arranged on outer cage body 1
In portion space, and having the function of to be axially moved along steel reinforcement cage, outer cage body 1 includes outer cage main reinforcement 11 and outer cage stirrup 12,
Interior cage body 2 includes interior cage main reinforcement 21 and interior cage stirrup 22, and stretching, extension muscle 3 is hinged on outer cage stirrup 12 by linkage section 32, connected
The both sides of section 32 are respectively to stretch out the extension section 31 in outer 1 outside of cage body at the top of stretching, extension muscle 3 and stretch 3 root of muscle to stretch into outer cage body 1
The positioning section 33 of inside, interior cage stirrup 22 include the connection stirrup 221 to connect interior cage main reinforcement 21 and stretch muscle 3 to position
Positioning stirrup 222, positioning section 33 have positioning stirrup 222 barrier effect under, positioning stretching, extension muscle 3 rotational angle work(
Can, the length of positioning section 33 is more than the difference of the radius of outer cage body 1 and interior cage body 2；
The production method of steel reinforcement cage is：1. it is for use to make several stretching, extension muscle 3；2. it is fixed that several long reinforcing bars are placed on moulding bed
Position, is made interior cage main reinforcement 21, and then several bar dowels are enclosed in outside interior cage main reinforcement 21 and are welded, interior cage stirrup 22 is made, complete
Into the making of interior cage body 2；3. the peripheral position of several long reinforcing bars interior cage body 2 on moulding bed is positioned, the outer cage as outer cage body 1
Main reinforcement 11；4. several bar dowels are enclosed in outer cage main reinforcement 11, while the linkage section 32 of muscle 3 will be stretched through several short steel
On muscle, then several bar dowels and outer cage main reinforcement 11 are welded, form outer cage stirrup 12；
Linkage section 32 includes arch steel and stretches the lengths of rebar at 3 middle part of muscle, and two endpoints of arch steel are fixed respectively
At the both ends of lengths of rebar so that linkage section 32 forms the annular region being closed, and the preparation method of stretching, extension muscle 3 is：1. by a steel
Muscle is bent camber；2. two endpoints of arch steel after bending are welded in a straight steel bar；
Steel reinforcement cage need to stretch the position of muscle 3 in the top indicator of steel reinforcement cage after preparing.
Step 2, pile hole：Make between the internal diameter of stake holes and the outer diameter of steel reinforcement cage that there are certain intervals.
Step 3 opens side opening：Using broaching equipment, multiple side openings are opened up on the side wall of stake holes, and marked at the top of stake holes
Remember the position of side opening and set up the absolute altitude of side opening.
Step 4 hangs steel reinforcement cage：Steel reinforcement cage is hung above stake holes, the position of adjustment steel reinforcement cage is rotated during handling,
So that the label of the label and side opening at the top of stake holes of the top stretching, extension muscle 3 of steel reinforcement cage aligns, keep outer during handling simultaneously
The axial position of cage body 1 and interior cage body 2 is poor so that stretching, extension muscle 3 is in rounding state；Steel reinforcement cage is put down, steel reinforcement cage is made slowly to insert
Entering in stake holes, steel reinforcement cage is hung onto specified altitude assignment by the absolute altitude of corresponding side opening, after reaching absolute altitude, cage body 2 in movement, expansion stretching, extension
Muscle 3.
Step 5, casting concrete pile.
Embodiment 2：
With above-described embodiment 1 the difference lies in, it is shown according to fig. 3, linkage section 32 be open ring structure, the two of split ring
End is connected respectively with extension section 31 and positioning section 33, and the preparation method of stretching, extension muscle 3 is：A straight steel bar is taken, by therein one
End bends to an open ring structure.
Embodiment 3：
The difference lies according to Fig. 4, linkage section 32 is spiral coil, and the both ends of spiral coil are divided with above-described embodiment 1
It is not connected with extension section 31 and positioning section 33, the preparation method of stretching, extension muscle 3 is：A straight steel bar is taken, is carried out spiral
Bending, bending part form linkage section 32.
Embodiment 4：
The difference lies according to Fig. 5, positioning stirrup 222 is formed by two parallel circular boops with above-described embodiment 1
Double-layer structure, positioning section 33 is arranged between two parallel circular boops.
Embodiment 5：
The difference lies in set between the outer cage stirrup 12 and interior cage stirrup 22 at the top of steel reinforcement cage with above-described embodiment 1
There is support locating rod 4, support locating rod 4 is dismountable straight-bar, in step 4, in steel reinforcement cage handling, by supporting locating rod
4 fixations keep the axial position of outer cage body 1 and interior cage body 2 poor；After the completion of steel reinforcement cage handling, support locating rod 4 is unloaded, with expansion
Stretch muscle 3.
Embodiment 6：
The difference lies according to Fig. 6, support locating rod 4 is the folding with bending function with above-described embodiment 5
Bar, including the first pole 41 and the second pole 42, the first pole 41 and the second pole 42 are hinged, the first pole 41 and the second pole
42 hinged places are also respectively provided with lock 43, in step 4, in steel reinforcement cage handling, buckle lock 43 so that 41 He of the first pole
The hinge of second pole 42 is fixed, and is fixed support locating rod 4 and is kept the axial position of outer cage body 1 and interior cage body 2 poor；Steel reinforcement cage
After the completion of handling, lock 43 is released, the bending at the hinge of the first pole 41 and the second pole 42 of locating rod 4 is supported, so as to open up
Open stretching, extension muscle 3.
Claims (10)
1. the construction method of bored concrete pile is made of extended position double steel bar cage, it is characterised in that include the following steps：
Step 1, steel reinforcement cage is prepared：Design calculates steel reinforcement cage size, is produced by size steel reinforcement cage；The steel reinforcement cage includes outer cage body
（1）, interior cage body（2）With stretching, extension muscle（3）；The interior cage body（2）It is arranged on outer cage body（1）Around into inner space in, and
And have the function of to be axially moved along steel reinforcement cage, the outer cage body（1）Including outer cage main reinforcement（11）With outer cage stirrup（12）, institute
State interior cage body（2）Including interior cage main reinforcement（21）With interior cage stirrup（22）, the stretching, extension muscle（3）Pass through linkage section（32）It is hinged on outer
Cage stirrup（12）On, linkage section（32）Both sides be respectively stretch muscle（3）Outer cage body is stretched out at top（1）The extension section in outside（31）
With stretching, extension muscle（3）Outer cage body is stretched into root（1）The positioning section of inside（33）, the interior cage stirrup（22）Including connecting interior cage
Main reinforcement（21）Connection stirrup（221）With positioning stretching, extension muscle（3）Positioning stirrup（222）, the positioning section（33）Have
In positioning stirrup（222）Barrier effect under, positioning stretching, extension muscle（3）Rotational angle function；Steel reinforcement cage needs after preparing
Muscle is stretched in the top indicator of steel reinforcement cage（3）Position；
Step 2, pile hole：Make between the internal diameter of stake holes and the outer diameter of steel reinforcement cage that there are certain intervals；
Step 3, side opening is opened：Using broaching equipment, multiple side openings are opened up on the side wall of stake holes, and in stake holes top indicator side
The position in hole and the absolute altitude for setting up side opening；
Step 4, steel reinforcement cage is hung：Steel reinforcement cage is hung above stake holes, the position of adjustment steel reinforcement cage is rotated during handling so that
The top stretching, extension muscle of steel reinforcement cage（3）Label and stake holes at the top of the label of side opening align, outer cage is kept during handling simultaneously
Body（1）With interior cage body（2）Axial position it is poor so that stretching, extension muscle（3）In rounding state；Steel reinforcement cage is put down, delays steel reinforcement cage
Slow to be inserted into stake holes, steel reinforcement cage is hung onto specified altitude assignment by the absolute altitude of corresponding side opening, after reaching absolute altitude, cage body in movement（2）, exhibition
Open stretching, extension muscle（3）；
Step 5, casting concrete pile.
2. the construction method according to claim 1 that bored concrete pile is made of extended position double steel bar cage, which is characterized in that
The production method of steel reinforcement cage is in the step 1：1. make several stretching, extension muscle（3）For use；2. several long reinforcing bars are placed in tire
It is positioned on frame, interior cage main reinforcement is made（21）, several bar dowels are then enclosed in interior cage main reinforcement（21）It outside and welds, interior cage is made
Stirrup（22）, cage body in completion（2）Making；3. by several long reinforcing bars on moulding bed interior cage body（2）Peripheral position positioning, make
For outer cage body（1）Outer cage main reinforcement（11）；4. several bar dowels are enclosed in outer cage main reinforcement（11）On, while muscle will be stretched（3）
Linkage section（32）Through on several bar dowels, then by several bar dowels and outer cage main reinforcement（11）Welding forms outer cage
Stirrup（12）.
3. the construction method according to claim 2 that bored concrete pile is made of extended position double steel bar cage, which is characterized in that
The linkage section（32）Including arch steel and the stretching, extension muscle（3）The lengths of rebar at middle part, two endpoints of the arch steel
It is separately fixed at the both ends of the lengths of rebar so that linkage section（32）Form the annular region being closed, the stretching, extension muscle（3）System
Preparation Method is：1. by a bar bending camber；2. two endpoints of arch steel after bending are welded to a vertical bar
On reinforcing bar.
4. the construction method according to claim 2 that bored concrete pile is made of extended position double steel bar cage, which is characterized in that
The linkage section（32）For open ring structure, the both ends of split ring respectively with extension section（31）And positioning section（33）It is connected, it is described
Stretch muscle（3）Preparation method be：A straight steel bar is taken, one end therein is bent into an open ring structure.
5. the construction method according to claim 2 that bored concrete pile is made of extended position double steel bar cage, which is characterized in that
The linkage section（32）For spiral coil, the both ends of spiral coil respectively with extension section（31）And positioning section（33）It is connected, the stretching, extension
Muscle（3）Preparation method be：A straight steel bar is taken, is carried out twisted, bending part forms linkage section（32）.
6. the construction method that bored concrete pile is made of extended position double steel bar cage according to claim 3 or 4 or 5, special
Sign is, the positioning stirrup（222）The double-layer structure formed by two parallel circular boops, the positioning section（33）It is arranged on this
Between two parallel circular boops.
7. the construction method according to claim 6 that bored concrete pile is made of extended position double steel bar cage, which is characterized in that
The positioning section（33）Length be more than outer cage body（1）With interior cage body（2）Radius difference.
8. the construction method according to claim 7 that bored concrete pile is made of extended position double steel bar cage, which is characterized in that
Outer cage stirrup at the top of the steel reinforcement cage（12）With interior cage stirrup（22）Between be provided with support locating rod（4）.
9. the construction method according to claim 8 that bored concrete pile is made of extended position double steel bar cage, which is characterized in that
The support locating rod（4）For dismountable straight-bar, in the step 4, in steel reinforcement cage handling, by supporting locating rod（4）
It is fixed to keep outer cage body（1）With interior cage body（2）Axial position it is poor；After the completion of steel reinforcement cage handling, support locating rod is unloaded（4）,
Muscle is stretched with expansion（3）.
10. the construction method according to claim 8 that bored concrete pile is made of extended position double steel bar cage, feature are existed
In support locating rod（4）For the folding rod with bending function, including the first pole（41）With the second pole（42）, described
One pole（41）With the second pole（42）It is hinged, first pole（41）With the second pole（42）Hinged place is also respectively provided with
Lock（43）, in the step 4, in steel reinforcement cage handling, buckle lock（43）So that first pole（41）With the second folding
Bar（42）Hinge fix, make support locating rod（4）It is fixed to keep outer cage body（1）With interior cage body（2）Axial position it is poor；Reinforcing bar
After the completion of cage handling, lock is released（43）, support locating rod（4）In first pole（41）With the second pole（42）Hinge
Locate bending, so as to be unfolded to stretch muscle（3）.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610657121.2A CN106400787B (en) | 2016-08-12 | 2016-08-12 | The construction method of bored concrete pile is made of extended position double steel bar cage |
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| CN201610657121.2A CN106400787B (en) | 2016-08-12 | 2016-08-12 | The construction method of bored concrete pile is made of extended position double steel bar cage |
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| CN106400787B true CN106400787B (en) | 2018-07-06 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI701374B (en) * | 2018-01-30 | 2020-08-11 | 潤弘精密工程事業股份有限公司 | Method and cage for forming foundation pile and method and apparatus for forming cage unit |
| CN110172976A (en) * | 2019-05-08 | 2019-08-27 | 中国建筑第六工程局有限公司 | A kind of anti-levitating device of fluking type steel reinforcement cage |
| CN110258537B (en) * | 2019-07-03 | 2021-09-28 | 苏州市苏峰建设有限公司 | Tensile shear-resistant reinforcement cage device and using method thereof |
| CN110423060A (en) * | 2019-07-04 | 2019-11-08 | 福建省大地管桩有限公司 | The steam-cured tubular pole manufacturing process of double moldings |
| CN112663598B (en) * | 2021-01-12 | 2022-05-13 | 中铁七局集团广州工程有限公司 | Install firm steel reinforcement cage |
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| CN102061699A (en) * | 2010-12-02 | 2011-05-18 | 上海城建（集团）公司 | Reinforcing bar of bottom-reamed bored pile and construction method thereof |
| JP4695448B2 (en) * | 2005-02-21 | 2011-06-08 | 基礎工事株式会社斉藤組 | Assembly rebar and pile construction method using the same |
| CN103161154A (en) * | 2013-04-15 | 2013-06-19 | 合肥建工集团有限公司 | Distribution and application of pile foundation well squeezed bearing disk steel bars |
| CN203741828U (en) * | 2014-03-03 | 2014-07-30 | 江苏建筑职业技术学院 | Novel openable reinforcement cage structure |
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|---|---|---|---|---|
| JP4695448B2 (en) * | 2005-02-21 | 2011-06-08 | 基礎工事株式会社斉藤組 | Assembly rebar and pile construction method using the same |
| CN102061699A (en) * | 2010-12-02 | 2011-05-18 | 上海城建（集团）公司 | Reinforcing bar of bottom-reamed bored pile and construction method thereof |
| CN103161154A (en) * | 2013-04-15 | 2013-06-19 | 合肥建工集团有限公司 | Distribution and application of pile foundation well squeezed bearing disk steel bars |
| CN203741828U (en) * | 2014-03-03 | 2014-07-30 | 江苏建筑职业技术学院 | Novel openable reinforcement cage structure |
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