CN110055954A - A kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device and application method - Google Patents
A kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device and application method Download PDFInfo
- Publication number
- CN110055954A CN110055954A CN201810045532.5A CN201810045532A CN110055954A CN 110055954 A CN110055954 A CN 110055954A CN 201810045532 A CN201810045532 A CN 201810045532A CN 110055954 A CN110055954 A CN 110055954A
- Authority
- CN
- China
- Prior art keywords
- reinforcement
- force bearing
- bearing disk
- disk arrangement
- concrete pile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/48—Piles varying in construction along their length, i.e. along the body between head and shoe, e.g. made of different materials along their length
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device and application methods, described device includes: column steel reinforcement cage, interconnecting piece, interior stirrup (1), limits interior stirrup (5), spring (3), force bearing disk arrangement of reinforcement (4), tension rope (6), it is characterized in that, the force bearing disk arrangement of reinforcement (4) is made of the arrangement of reinforcement of two sections equalization.The present invention overcomes the deficiencies of existing technologies, a kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device and application method are provided, using force bearing disk arrangement of reinforcement, solve the problems, such as that the squeezed bored concrete pile force bearing disk of tradition can not arrangement of reinforcement, greatly improve the shearing strength of squeezed bored concrete pile force bearing disk, to utmostly play the bearing capacity of squeezed bored concrete pile force bearing disk, and then improve the resistance to compression and resistance to plucking bearing capacity of squeezed bored concrete pile.
Description
Technical field
The squeezed bored concrete pile that the present invention relates to a kind of for geotechnical engineering design construction field is designed and constructed device and method,
In particular to a kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device and application method.
Background technique
Squeezing (rotation) grouting pile is a kind of variable cross-section pile-type emerging in recent years, has the characteristics that multilayer dispersion carrying.It
It is to squeeze (rotation) on the basis of cast-in-situ bored pile drilling in pile body using dedicated equipment and expand at cavity symmetrical above and below, then
The pile-type that pile body, force bearing disk and the stake root formed after placing concrete carries jointly, as shown in Figure 1.Since force bearing disk increases
The effective bearing area of pile body, has crowd in-out effects to surrounding soil when squeezed, compared with common straight hole (cross-section) bored concrete pile, squeezes
(rotation) grouting pile has taken full advantage of the foundation bearing capacity of soil layer, and bearing capacity of single pile has larger mention than ordinary straight hole pouring pile
Height, and have good resistance to plucking load-carrying properties.Be conducive to greatly shorten that stake is long, reduces concrete amount, saves the duration, have non-
Often wide application prospect.
Studies have shown that squeezing (rotation) grouting pile in carrying, force bearing disk bears most of load on pile foundation, at this point, load
Disk is primarily subjected to compression-shear stress, and in reality, since force bearing disk is located at pile body position, and the disk diameter of force bearing disk is straight much larger than king pile
Diameter, therefore, it is impossible to carry out conventional shearing resistance arrangement of reinforcement for force bearing disk.Currently, what is used both at home and abroad squeezes the load of (rotation) grouting pile
Disk is all plain concrete disk, and unreinforced, shearing strength is totally limited, and therefore, force bearing disk is cut up and influences bearing capacity of pile foundation
What is played is very risky, has seriously affected and has squeezed the popularization and development of this outstanding pile-type of (rotation) grouting pile at home and abroad.
Summary of the invention
In order to solve the above-mentioned deficiency in the presence of the prior art, the present invention provides a kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement
Device and application method.
Present invention provide the technical scheme that a kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device, comprising: column reinforcing bar
Cage, be respectively sleeved at the symmetrically arranged interconnecting piece in the steel reinforcement cage axial direction main reinforcement top and the bottom (2), be set to the steel reinforcement cage in
Interconnecting piece described in top (2) connection ring shaped movable in stirrup (1), be set to the steel reinforcement cage in and be located at lower part described in interconnecting piece
(2) upper end is equipped with the main shaft two sides difference between stirrup (5) in stirrup (1) in the interior stirrup (5) of limit, the activity and the limit
The load no more than the steel reinforcement cage main reinforcement quantity on the outside of the steel reinforcement cage of spring (3) and number for being 1 equipped with number
Disk arrangement of reinforcement (4), the drawing for being set in the steel reinforcement cage and being connect with stirrup in stirrup (1) in the activity and king pile steel reinforcement cage top
Tight rope (6), the force bearing disk arrangement of reinforcement (4) are made of the arrangement of reinforcement of two sections equalization.
Preferably, the interconnecting piece (2) includes the hollow cylindrical body being socketed on the outside of column steel reinforcement cage axial direction main reinforcement
(201) with the socket joint slot that is fixed on the vertical parallel centre in the hollow cylindrical body (201) side and is equipped with the through-hole of horizontal direction
(202)。
Preferably, the free end of the force bearing disk arrangement of reinforcement (4) and the socket joint slot (202) are articulated and connected；
The force bearing disk arrangement of reinforcement (4) is articulated and connected by upper and lower two sides arrangement of reinforcement.
Preferably, the tension rope (6) is stainless steel wirerope.
Preferably, stirrup (1) is fixed on the middle parts of the hollow cylindrical body (201) in the activity.
Preferably, the interconnecting piece (2) is made by the material of 38CrMoAl component by mass percentage.
Preferably, the force bearing disk arrangement of reinforcement (4) is made by the material of 2cr13 component by mass percentage.With most connect
The close prior art is compared, and technical solution provided by the invention has the advantages that
(1) technical solution provided by the invention, using force bearing disk arrangement of reinforcement, solving the squeezed bored concrete pile force bearing disk of tradition can not
The problem of arrangement of reinforcement, the shearing strength of squeezed bored concrete pile force bearing disk is greatlyd improve, to utmostly play squeezed perfusion pile
The bearing capacity of power disk, and then improve the resistance to compression and resistance to plucking bearing capacity of squeezed bored concrete pile.
(2) technical solution provided by the invention, squeezed bored concrete pile is mainly by stirrup, spring and tension in interconnecting piece, activity
Rope composition, selection is convenient, is easily worked, and has preferable application and market promotion prospect.
Detailed description of the invention
Fig. 1 is the squeezed bored concrete pile application drawing of load disc type of the invention；
Fig. 2 is structural schematic diagram when force bearing disk arrangement of reinforcement of the invention is packed up, wherein main view when (a) packs up for force bearing disk
Figure is (b) top view of (a)；
Main view when Fig. 3 is force bearing disk arrangement of reinforcement expansion of the invention；
Fig. 4 is interconnecting piece structural schematic diagram of the invention, wherein (a) is the main view of interconnecting piece, it (b) is the side view of (a)
Figure is (c) top view of (a)；
Fig. 5 is adjacent force bearing disk arrangement of reinforcement junction structural schematic diagram of the invention, wherein (a) is adjacent force bearing disk arrangement of reinforcement company
The main view at place is connect, (b) is the side view of (a), (c) is the top view of (a)；
Overall effect schematic diagram when Fig. 6 packs up for force bearing disk arrangement of reinforcement of the present invention and when expansion；
Wherein, stirrup in 1- activity；2- interconnecting piece；3- spring；4- force bearing disk arrangement of reinforcement；5- limits interior stirrup；6- tension rope；
201- hollow cylindrical body；202- socket joint slot.
Specific embodiment
For a better understanding of the present invention, further details of the technical solution of the present invention with reference to the accompanying drawing.
As shown in Figures 1 to 6, squeezed bored concrete pile force bearing disk arrangement of reinforcement device provided by the invention include: column steel reinforcement cage,
It is respectively sleeved at the symmetrically arranged interconnecting piece 2 in steel reinforcement cage axial direction main reinforcement top and the bottom, is set in the steel reinforcement cage and described in top
Interconnecting piece 2 connect ring shaped movable in stirrup 1, be set to the steel reinforcement cage in and be located at 2 upper end of lower connecting part be equipped with limit in
Main shaft two sides in stirrup 5, activity between stirrup 1 and the interior stirrup 5 of limit are respectively equipped with the spring 3 that number is 1 and number is not more than
Steel reinforcement cage main reinforcement quantity be located at steel reinforcement cage on the outside of force bearing disk arrangement of reinforcement 4, be set to steel reinforcement cage in and with stirrup 1 and king pile in activity
The tension rope 6 of stirrup connection, force bearing disk arrangement of reinforcement 4 are made of the arrangement of reinforcement of two sections equalization at the top of steel reinforcement cage；Force bearing disk arrangement of reinforcement 4
Free end and socket joint slot 202 articulated connection can be used, force bearing disk arrangement of reinforcement 4 is formed by connecting by upper and lower two sides arrangement of reinforcement, connection type
It can be used hinged；Stirrup 1 is fixedly connected with interconnecting piece 2 in activity；Interconnecting piece 2 includes being socketed in column steel reinforcement cage axial direction main reinforcement
The hollow cylindrical body 201 in outside is equipped with horizontal direction with the vertical parallel centre in 201 side of hollow cylindrical body is fixed on
The socket joint slot 202 of through-hole；Stirrup 1 is fixedly connected with the outer middle side part of hollow cylindrical body 201 of interconnecting piece 2 in activity, connection type
Welding can be used；Stainless steel wirerope can be used in tension rope 6.The device can be implemented as the arrangement of reinforcement of squeezed bored concrete pile force bearing disk,
Solve the problems, such as that force bearing disk shearing strength is insufficient.
As shown in Fig. 2 to 5, HRB235, diameter range one is can be used in stirrup 1 in the activity of circular ring shape provided by the invention
As between 16mm~30mm；It is fixed together with the middle part of the hollow cylindrical body 201 of interconnecting piece 2, welding can be used；It is tensing
It can be moved up and down with rotation connection 2 along steel reinforcement cage main reinforcement under the traction of rope 6, stirrup 1 is for will be on single force bearing disk disk in activity
Arrangement of reinforcement connection is integral, realizes synchronous movement, meanwhile, also functioning to prevents single arrangement of reinforcement around main reinforcement left-right rotation and conduct
The stirrup of main reinforcement cage is used.
As shown in Fig. 2 to 5, interconnecting piece 2 provided by the invention includes the open tubular column being located on the outside of the column steel reinforcement cage
Body 201 and the socket joint slot for being fixed on the vertical parallel centre in 201 side of hollow cylindrical body and being equipped with the through-hole of horizontal direction
202；The free end of force bearing disk arrangement of reinforcement 4 and the socket joint slot 202 are connected with each other, and connection type can be used hingedly；Interconnecting piece 2 can be adopted
With the material as made from 38CrMoAl component by mass percentage；That punches centered on socket joint slot 202 has certain thickness
Rectangle iron plate, be welded in parallel outside hollow cylindrical body 201, hollow cylindrical body is socketed on king pile steel reinforcement cage axial direction main reinforcement
It up and down and is arranged symmetrically, top interconnecting piece 2 is fixedly connected with stirrup 1 in activity, and welding can be used, and lower connecting part 2 is socketed simultaneously
It is fixed in king pile steel reinforcement cage main reinforcement, welding can be used in fixed form；Force bearing disk arrangement of reinforcement one end is caught in interconnecting piece socket joint slot, can
It is attached using pin.
As shown in Fig. 2 to 5, spring 3 provided by the invention is that force bearing disk expansion provides the 2 of pulling force for radial symmetric setting
A spring 3 can also according to circumstances adjust 3 quantity of spring, but cannot be less than 2；Common spring can be used, before transferring steel reinforcement cage,
Spring 3 is pulled open, force bearing disk arrangement of reinforcement 4, which synchronizes, to be packed up, and 6 upper end of tension rope tenses and is fixed on stirrup in king pile steel reinforcement cage top
On, it after transferring to position, releases top is fixed, the pulling force that spring 3 provides stirrup 1 can move downward in activity, thus band
Dynamic force bearing disk arrangement of reinforcement 4 is unfolded, and spring 3 matches with 4 fully unfolded position of force bearing disk arrangement of reinforcement in a free state.
As shown in Fig. 2 to 5, force bearing disk arrangement of reinforcement 4 provided by the invention be the two sections of reinforcing bars connected at an angle and up and down
It is symmetrical arranged, can be used hingedly, the quantity of force bearing disk arrangement of reinforcement 4 is not more than main reinforcement quantity；After the reinforcing bar expansion of two sections of connections, the two
Between the angled Pan Jiao equal to or slightly less than force bearing disk, and be unfolded after cannot exceed force bearing disk range；Two sections steel
Muscle one end is connect with upper and lower part interconnecting piece respectively, can be used hingedly, force bearing disk arrangement of reinforcement 4 can be used by by mass percentage
2cr13 component made from material.
As shown in Fig. 2 to 5, HRB235 is can be used in stirrup 5 in the limit of circular ring shape provided by the invention, and diameter range is general
It between 16mm~30mm, can adjust as the case may be, be fixed on the inside of king pile steel reinforcement cage, welding can be used, mainly
It moves up to limit stirrup 1 in lower removable during spring 3 is shunk, while being used as the stirrup of main reinforcement cage,
Certain distance is arranged on lower connecting part 2 in stirrup 5 in limiting, when specifically should be unfolded and pack up according to force bearing disk arrangement of reinforcement 4
Position determines that materials are convenient, low in cost, using reliable.
As shown in Fig. 2 to 5, stainless steel wirerope is can be used in tension rope 6 provided by the invention, is pulled and is lived before descending reinforcing cage
Stirrup 1 moves upwards in dynamic, tenses spring 3, to drive force bearing disk arrangement of reinforcement 4 to pack up, at this point, 6 upper end of tension rope is lain in
In at the top of king pile steel reinforcement cage on stirrup, after steel reinforcement cage decentralization, 6 upper end of tension rope is unlocked.
Based on the same inventive concept, the present embodiment also provides a kind of user of squeezed bored concrete pile force bearing disk arrangement of reinforcement device
Method, application method include:
The steel reinforcement cage of interconnecting piece 2 is cased in connection main reinforcement；
Stirrup 1 and the interior stirrup 5 of limit in fixed activity；
Connect force bearing disk arrangement of reinforcement 4, interconnecting piece 2 and spring 3；
It connects and pulls tension rope 6, so that the arrangement of reinforcement of force bearing disk be made to complete.
The steel reinforcement cage that interconnecting piece 2 is cased in the connection main reinforcement includes: that the interconnecting piece 2 is socketed on the every of king pile steel reinforcement cage
The top and the bottom of a main reinforcement.
Stirrup 1 and the interior stirrup 5 of limit include: first by stirrup 1 and the interconnecting piece 2 in the activity in the fixed activity
It is mutually fixed, then stirrup 5 in the limit is fixed on to the upper end in king pile steel reinforcement cage main reinforcement and being located at interconnecting piece 2 described in lower part.
The connection force bearing disk arrangement of reinforcement 4, interconnecting piece 2 and spring 3 include: that will first be not more than described in main ribs quantity to hold
Power disk arrangement of reinforcement 4 is connected with each other, and again connect the free end of the force bearing disk arrangement of reinforcement 4 with the socket joint slot 202 of the interconnecting piece 2,
Finally by between stirrup 5 in stirrup 1 and the limit in the activity the spring 3 and it is described it is movable in stirrup 1 and described
Stirrup 5 connects in limiting.
It is described connection and pull tension rope 6 include: first by the tension rope 6 and it is described activity in stirrup 1 connect, in lower steel
The tension rope 6 is pulled up before muscle cage, tenses spring 3, to drive force bearing disk arrangement of reinforcement 4 to pack up, then tension rope 6 is fixed
In being connected at the top of king pile steel reinforcement cage on stirrup；When steel reinforcement cage is transferred, the upper end of tension rope 6 is unlocked, to make force bearing disk arrangement of reinforcement
It completes.
The above is only the embodiment of the present invention, are not intended to restrict the invention, all in the spirit and principles in the present invention
Within, any modification, equivalent substitution, improvement and etc. done, be all contained in apply pending scope of the presently claimed invention it
It is interior.
Claims (7)
1. a kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device, comprising: column steel reinforcement cage is respectively sleeved at the steel reinforcement cage axial direction
The symmetrically arranged interconnecting piece in main reinforcement top and the bottom (2) is set to the annular connecting in the steel reinforcement cage with interconnecting piece described in top (2)
Stirrup (1) in activity, be set in the steel reinforcement cage and be located at interconnecting piece (2) upper end described in lower part be equipped with limit in stirrup (5), institute
It states the main shaft two sides in stirrup in activity (1) and the limit between stirrup (5) and is respectively equipped with spring (3) and the number that number is 1
No more than the force bearing disk arrangement of reinforcement (4) of the steel reinforcement cage main reinforcement quantity being located on the outside of the steel reinforcement cage, in the steel reinforcement cage
And the tension rope (6) being connect with stirrup in stirrup (1) in the activity and king pile steel reinforcement cage top, which is characterized in that described to hold
Power disk arrangement of reinforcement (4) is made of the arrangement of reinforcement of two sections equalization.
2. a kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device as described in claim 1, which is characterized in that
The interconnecting piece (2) includes the hollow cylindrical body (201) being socketed on the outside of the column steel reinforcement cage axial direction main reinforcement and consolidates
It is scheduled on the socket joint slot (202) that the vertical parallel centre in the hollow cylindrical body (201) side is equipped with the through-hole of horizontal direction.
3. a kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device as claimed in claim 2, which is characterized in that
The free end of the force bearing disk arrangement of reinforcement (4) and the socket joint slot (202) are articulated and connected；
The force bearing disk arrangement of reinforcement (4) is articulated and connected by upper and lower two sides arrangement of reinforcement.
4. a kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device as described in claim 1, which is characterized in that
The tension rope (6) is stainless steel wirerope.
5. a kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device as claimed in claim 2, which is characterized in that
Stirrup (1) is fixed on the middle part of the hollow cylindrical body (201) in the activity.
6. a kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device as described in claim 1, which is characterized in that
The interconnecting piece (2) is made by the material of 38CrMoAl component by mass percentage.
7. a kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device as described in claim 1, which is characterized in that
The force bearing disk arrangement of reinforcement (4) is made by the material of 2cr13 component by mass percentage.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810045532.5A CN110055954A (en) | 2018-01-17 | 2018-01-17 | A kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device and application method |
| PCT/CN2018/097823 WO2019140883A1 (en) | 2018-01-17 | 2018-07-31 | Bearing plate reinforcement device for squeeze and expansion cast-in-place pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810045532.5A CN110055954A (en) | 2018-01-17 | 2018-01-17 | A kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device and application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110055954A true CN110055954A (en) | 2019-07-26 |
Family
ID=67314860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810045532.5A Pending CN110055954A (en) | 2018-01-17 | 2018-01-17 | A kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device and application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110055954A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101298770A (en) * | 2008-06-12 | 2008-11-05 | 大连理工大学 | Bottom enlarging prestress conical pipe pile and construction method thereof |
| CN106013133A (en) * | 2016-07-01 | 2016-10-12 | 绍兴文理学院 | Drilling pile with a bar-reinforced squeezed branch-plate, and construction method thereof |
| CN106759281A (en) * | 2016-12-26 | 2017-05-31 | 浙江科技学院 | A kind of anchoring for preventing cast-in-place concrete pile rising of steel cage is pitched |
| CN108775014A (en) * | 2018-06-27 | 2018-11-09 | 刘晓理 | From the churning anchor cable or jet grouting anchor rod construction method for taking umbrella expansion body structure |
-
2018
- 2018-01-17 CN CN201810045532.5A patent/CN110055954A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101298770A (en) * | 2008-06-12 | 2008-11-05 | 大连理工大学 | Bottom enlarging prestress conical pipe pile and construction method thereof |
| CN106013133A (en) * | 2016-07-01 | 2016-10-12 | 绍兴文理学院 | Drilling pile with a bar-reinforced squeezed branch-plate, and construction method thereof |
| CN106759281A (en) * | 2016-12-26 | 2017-05-31 | 浙江科技学院 | A kind of anchoring for preventing cast-in-place concrete pile rising of steel cage is pitched |
| CN108775014A (en) * | 2018-06-27 | 2018-11-09 | 刘晓理 | From the churning anchor cable or jet grouting anchor rod construction method for taking umbrella expansion body structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206428689U (en) | Firm building stake | |
| CN101892708B (en) | Inserting plate type welding through node | |
| CN201794164U (en) | Reinforced guy rope intersecting joint | |
| CN107386271B (en) | A kind of cross section construction method, shaped pile and the production method of the quincunx stake of more valves | |
| CN203049788U (en) | Novel dual-base-plate rigid connection column base joint of concrete filled steel tubular column | |
| CN201778396U (en) | Cable support node connecting device | |
| CN203229943U (en) | Steel reinforcement laying structure of squeezed bearing plate of pile foundation well | |
| CN110055954A (en) | A kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device and application method | |
| CN106958321A (en) | A kind of reinforced column round steel piece ruggedized construction and its construction method | |
| CN110042827A (en) | A kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device and application method | |
| CN107916664A (en) | The construction method of bored concrete pile is made of rotation expansion formula steel reinforcement cage | |
| CN209568429U (en) | A kind of arrangement of reinforcement device for bottom-enlarging filling pile | |
| CN201598633U (en) | Drilling cast-in-place pile | |
| CN206752459U (en) | Bamboo joint pile reinforcing bar basket assembly | |
| CN204959988U (en) | Net shell node | |
| CN104863283B (en) | Steel tube fiber concrete support | |
| CN206829497U (en) | A kind of reinforced column round steel piece ruggedized construction | |
| CN206888562U (en) | A kind of reinforced column welding ring muscle ruggedized construction | |
| CN202787252U (en) | Partially prestressed concrete hollow triangular pile | |
| CN205741868U (en) | A kind of all-steel-pipe concrete composite bridge | |
| CN206408837U (en) | A kind of compound concrete-filled tubular column with pull bar | |
| CN209178985U (en) | A kind of hollow pile pile cover | |
| CN209703514U (en) | Control the foundation pit supporting construction of existing building deformation | |
| CN108374413A (en) | A kind of uplift pile and preparation method thereof | |
| CN110952660B (en) | Cavity prefabricated column node connecting structure and construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190726 |