CN114808937A - Construction method for non-welding installation and fixation of hollow square pile core-filling reinforcement cage - Google Patents
Construction method for non-welding installation and fixation of hollow square pile core-filling reinforcement cage Download PDFInfo
- Publication number
- CN114808937A CN114808937A CN202210569360.8A CN202210569360A CN114808937A CN 114808937 A CN114808937 A CN 114808937A CN 202210569360 A CN202210569360 A CN 202210569360A CN 114808937 A CN114808937 A CN 114808937A
- Authority
- CN
- China
- Prior art keywords
- square pile
- reinforcement cage
- hollow square
- vertical
- core
- 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.)
- Granted
Links
Images
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
- E02D5/34—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
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)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a construction method for non-welding installation and fixation of a hollow square pile core-filling reinforcement cage, which comprises the following steps: 1) vertically placing the core-filling reinforcement cage into the hollow square pile through a crane; 2) installing a tensioning frame on the inner wall of the upper end of the hollow square pile to enable the tensioning frame to be tightly matched with the inner wall of the square pile; 3) clamping four bayonets at the bottoms of two cross bars of the fixture on stirrups at the tops of the vertical reinforcing steel bars; 4) inserting a vertical rod into the sleeve on the upper part of the clamp; 5) placing an n-shaped support frame of the vertical corrector on the upper part of the tensioning frame; 6) screwing a nut on the short screw rod to enable the nut to be in threaded connection with the threaded end of the cross rod; 7) the nuts are respectively adjusted until the plumb line and the vertical rod are parallel to each other in a plurality of directions. The invention effectively solves the problem that the top end of the core-filling reinforcement cage arranged in the hollow square pile can not be fixed after the steel end plate of the pile head of the hollow square pile is cut off, improves the construction efficiency and strengthens the construction quality.
Description
Technical Field
The invention belongs to the field of constructional engineering, and particularly relates to a construction method for non-welding installation and fixation of a hollow square pile core-filling reinforcement cage.
Background
At present, the construction method of adopting a prestressed hollow square pile and pouring a core in the hollow square pile is mostly adopted in the construction of a column pile, namely: the method comprises the steps of firstly burying a hollow square pile in soil, then arranging a core-filling reinforcement cage in the hollow square pile, and welding the tail end of a vertical reinforcement at the top end of the core-filling reinforcement cage with a steel end plate of a square pile head after bending. However, in engineering practice, because the actual height of the hollow square pile from the ground often exceeds the designed height, one section of the pile head of the hollow square pile has to be cut off, so that the steel end plate of the pile head of the hollow square pile is cut off at the same time, and the top end of the core-filling reinforcement cage arranged in the hollow square pile cannot be fixed, thereby bringing certain disadvantages: firstly, after the perpendicularity of the core-filling reinforcement cage is corrected, the top end of the core-filling reinforcement cage is not fixed, so that adverse effects can be caused on the perpendicularity of the reinforcement cage when concrete slurry is poured; secondly, because the top end of the core-filling reinforcement cage is not connected with the hollow square pile, the stress strength of the reinforcement cage and the square pile is difficult to balance.
Disclosure of Invention
First, technical problem to be solved
The invention provides a construction method for non-welding installation and fixation of a hollow square pile core-filling reinforcement cage, which aims to: the perpendicularity correction and the fixation of the core-filling steel reinforcement cage are integrated, the end part of the core-filling steel reinforcement cage is connected with the hollow square pile without the metal end plate by adopting a non-welding method, and the problem that the top end of the core-filling steel reinforcement cage arranged in the hollow square pile cannot be fixed after the steel end plate of the pile head of the hollow square pile is cut is solved.
Second, technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme, which specifically comprises the following steps:
1) vertically placing a core-filling reinforcement cage into the hollow square pile through a crane, wherein the core-filling reinforcement cage comprises vertical reinforcements and annular stirrups connected with the vertical reinforcements;
2) installing a tensioning frame on the inner wall of the upper end of the hollow square pile, and respectively rotating four adjusting bolts to enable the right-angle frame of the tensioning frame to move towards the inner wall of the square pile so as to enable the tensioning frame to be tightly matched with the inner wall of the square pile;
3) placing a fixture, wherein four bayonets at the bottoms of two cross rods of the fixture are clamped on stirrups at the tops of vertical reinforcing steel bars, and four threaded ends of the two cross rods are in one-to-one correspondence with four short screw rods connected at right angles of a tensioning frame;
4) inserting a vertical rod into a sleeve on the upper part of the fixture, wherein the vertical rod is vertical to two cross rods of the fixture;
5) arranging a vertical corrector, arranging an n-shaped support frame of the vertical corrector on the upper part of the tensioning frame, and moving a moving block on the upper part of the support frame to enable a plumb line hung on the lower part of the moving block to be close to the vertical rod;
6) screwing four nuts which are in threaded connection with the short screw rods respectively to enable the nuts to be in threaded connection with the threaded ends of the cross rods;
7) respectively adjusting the four nuts, and observing from multiple directions until the plumb line and the vertical rod are parallel to each other in multiple directions;
8) dismantling the vertical rod, the support frame and the plumb line;
9) and pouring concrete in the square piles.
Furthermore, the tip of right angle frame is equipped with the engaging lug, the engaging lug is equipped with forward internal thread, its one end of adjusting bolt is forward external screw thread, and the other end is reverse external screw thread, rotates adjusting bolt and can make two engaging lugs rather than being connected move in opposite directions, or move back on the back mutually.
Furthermore, the short screw rod is connected to a right angle of the tensioning frame through a reinforcing rib, and the axis line of the short screw rod is superposed with the right angle bisector of the tensioning frame.
Furthermore, the two cross rods of the fixture are connected together through respective central points and are perpendicular to each other.
Preferably, the support frame is provided with a strip-shaped groove with a T-shaped section, and the moving block can horizontally move in the strip-shaped groove.
Third, beneficial effect
The construction method for non-welding installation and fixation of the hollow square pile core-filling reinforcement cage, disclosed by the invention, integrates the perpendicularity correction and fixation of the core-filling reinforcement cage into a whole, and adopts a non-welding method to connect the end part of the core-filling reinforcement cage with the hollow square pile without the metal end plate, so that the problem that the top end of the core-filling reinforcement cage arranged in the hollow square pile cannot be fixed after the steel end plate of the pile head of the hollow square pile is cut off is effectively solved, the construction efficiency is improved, and the construction quality is enhanced.
Drawings
FIG. 1 is a schematic view in partial cross section from the front of the present invention.
Fig. 2 is a schematic sectional view a-a of fig. 1.
Fig. 3 is a partial structural schematic view of fig. 2.
FIG. 4 is a schematic sectional view of B-B and C-C of FIG. 3.
FIG. 5 is a schematic front view of a vertical corrector.
Fig. 6 is a schematic cross-sectional view D-D of fig. 5.
Detailed Description
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings so as to be more clearly understood by those skilled in the art.
Examples
The embodiment of the invention integrates the perpendicularity correction and fixation of the core-filled steel reinforcement cage into a whole, adopts a non-welding method to connect the end part of the core-filled steel reinforcement cage with a hollow square pile without a metal end plate, and specifically comprises the following steps:
1) as shown in fig. 1, a core-filling reinforcement cage 1 is vertically placed in a hollow square pile 2 through a crane, and comprises vertical reinforcements 12 and annular stirrups 11 connected with the vertical reinforcements;
2) as shown in fig. 1 and 2, a tensioning frame 3 is arranged on the inner wall of the upper end of the hollow square pile, and four adjusting bolts 31 are respectively rotated to enable a right-angle frame 32 of the tensioning frame to move towards the inner wall of the square pile so as to enable the tensioning frame to be tightly matched with the inner wall of the square pile;
3) as shown in fig. 3 and 4, a fixture 4 is placed, four bayonets 41 at the bottoms of two cross bars 45 of the fixture are clamped on stirrups 11 at the tops of vertical rebars, and four threaded ends 42 of the two cross bars are in one-to-one correspondence with four short screw rods 33 connected at right angles of a tensioning frame;
4) as shown in fig. 1, a vertical rod 44 is inserted into the sleeve 43 at the upper part of the fixture, and the vertical rod is perpendicular to the two cross rods of the fixture;
5) as shown in fig. 5 and 6, a vertical corrector is arranged, an n-shaped support frame 5 of the vertical corrector is arranged at the upper part of a tensioning frame, a moving block 6 at the upper part of the support frame is moved, and a plumb line 7 hung at the lower part of the moving block is close to a vertical rod;
6) as shown in fig. 2, four nuts 34 threaded on the short screw rods are respectively screwed to make the nuts threaded with the threaded ends of the cross bars;
7) as shown in fig. 1 and 2, the four nuts are respectively adjusted until the plumb line and the vertical rod are parallel to each other in multiple directions when viewed from multiple directions;
8) dismantling the vertical rod, the support frame and the plumb line;
9) and pouring concrete in the square piles.
Further, as shown in fig. 2, a connecting lug 35 is disposed at an end of the right-angle frame 32, the connecting lug is provided with a positive internal thread, one end of the adjusting bolt 31 is a positive external thread, and the other end of the adjusting bolt is a reverse external thread, and the two connecting lugs connected with the adjusting bolt can move in the opposite direction or move away from each other by rotating the adjusting bolt.
Further, as shown in fig. 2, the short screw 33 is connected to a right angle of the tensioning frame through a reinforcing rib, and an axial lead of the short screw coincides with a right angle bisector of the tensioning frame.
Further, as shown in fig. 3, the two bars 45 of the jig are connected together at their respective center points and are perpendicular to each other.
Preferably, as shown in fig. 5 and 6, the support frame 5 is provided with a strip-shaped groove with a T-shaped cross section, and the moving block can horizontally move in the strip-shaped groove.
The construction method for non-welding installation and fixation of the hollow square pile core-filling reinforcement cage, disclosed by the invention, integrates the perpendicularity correction and fixation of the core-filling reinforcement cage into a whole, and adopts a non-welding method to connect the end part of the core-filling reinforcement cage with the hollow square pile without the metal end plate, so that the problem that the top end of the core-filling reinforcement cage arranged in the hollow square pile cannot be fixed after the steel end plate of the pile head of the hollow square pile is cut off is effectively solved, the construction efficiency is improved, and the construction quality is enhanced.
The present invention is not limited to the above-mentioned embodiments, and various modifications made by those skilled in the art according to the concept of the present invention should fall within the scope of the claimed invention.
Claims (5)
1. The utility model provides a construction method of hollow square pile irritated core steel reinforcement cage non-welded installation fixed, its characterized in that collects the straightness correction of hanging down of irritated core steel reinforcement cage and fixes as an organic whole, adopts non-welded method to be connected the tip of irritated core steel reinforcement cage with the hollow square pile that does not have the metal end plate, specifically includes following steps:
1) vertically placing a core-filling reinforcement cage (1) into a hollow square pile (2) through a crane, wherein the core-filling reinforcement cage comprises vertical reinforcements (12) and annular stirrups (11) connected with the vertical reinforcements;
2) installing a tensioning frame (3) on the inner wall of the upper end of the hollow square pile, and respectively rotating four adjusting bolts (31) to enable a right-angle frame (32) of the tensioning frame to move towards the inner wall of the square pile so as to enable the tensioning frame to be tightly matched with the inner wall of the square pile;
3) placing a fixture (4), clamping four bayonets (41) at the bottoms of two cross rods (45) of the fixture on stirrups (11) at the tops of vertical steel bars, and enabling four threaded ends (42) of the two cross rods to correspond to four short screw rods (33) connected at right angles of a tensioning frame one by one;
4) a vertical rod (44) is inserted into a sleeve (43) at the upper part of the fixture, and the vertical rod is vertical to the two cross rods of the fixture;
5) arranging a vertical corrector, arranging an n-shaped support frame (5) of the vertical corrector on the upper part of a tensioning frame, and moving a moving block (6) on the upper part of the support frame to enable a plumb line (7) hung on the lower part of the moving block to be close to a vertical rod;
6) four nuts (34) which are in threaded connection with the short screw rods are respectively screwed, so that the nuts are in threaded connection with the threaded ends of the cross rods;
7) respectively adjusting the four nuts, and observing from multiple directions until the plumb line and the vertical rod are parallel to each other in multiple directions;
8) dismantling the vertical rod, the support frame and the plumb line;
9) and pouring concrete in the square piles.
2. The construction method according to claim 1, characterized in that: the tip of right angle frame (32) is equipped with engaging lug (35), the engaging lug is equipped with forward internal thread, its one end of adjusting bolt (31) is the external screw thread of forward, and the other end is reverse external screw thread, rotates adjusting bolt and can make two engaging lugs rather than being connected or remove in opposite directions, or move on the back mutually.
3. The construction method according to claim 1 or 2, characterized in that: the short screw rod (33) is connected to the right angle of the tensioning frame through the reinforcing rib, and the axis line of the short screw rod is superposed with the right angle bisector of the tensioning frame.
4. The construction method according to claim 3, wherein: the two cross rods (45) of the fixture are connected together through respective central points and are perpendicular to each other.
5. The construction method according to claim 4, wherein: the supporting frame (5) is provided with a strip-shaped groove with a T-shaped section, and the moving block can horizontally move in the strip-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210569360.8A CN114808937B (en) | 2022-05-24 | 2022-05-24 | Construction method for non-welding installation and fixation of hollow square pile core-filling reinforcement cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210569360.8A CN114808937B (en) | 2022-05-24 | 2022-05-24 | Construction method for non-welding installation and fixation of hollow square pile core-filling reinforcement cage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114808937A true CN114808937A (en) | 2022-07-29 |
| CN114808937B CN114808937B (en) | 2023-04-07 |
Family
ID=82518093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210569360.8A Active CN114808937B (en) | 2022-05-24 | 2022-05-24 | Construction method for non-welding installation and fixation of hollow square pile core-filling reinforcement cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114808937B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362119A (en) * | 2013-06-28 | 2013-10-23 | 中建七局第二建筑有限公司 | Non-welded connection method and connection structure for major diameter reinforcing cage |
| JP2019082103A (en) * | 2017-10-27 | 2019-05-30 | テクノパワー株式会社 | Reinforcement cage for vertical reinforcement fitting for reinforcement, and method for fitting vertical reinforcement for reinforcement using the reinforcement cage |
| CN216276476U (en) * | 2021-11-17 | 2022-04-12 | 江西有色建设集团有限公司 | Bored concrete pile steel reinforcement cage structure |
-
2022
- 2022-05-24 CN CN202210569360.8A patent/CN114808937B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362119A (en) * | 2013-06-28 | 2013-10-23 | 中建七局第二建筑有限公司 | Non-welded connection method and connection structure for major diameter reinforcing cage |
| JP2019082103A (en) * | 2017-10-27 | 2019-05-30 | テクノパワー株式会社 | Reinforcement cage for vertical reinforcement fitting for reinforcement, and method for fitting vertical reinforcement for reinforcement using the reinforcement cage |
| CN216276476U (en) * | 2021-11-17 | 2022-04-12 | 江西有色建设集团有限公司 | Bored concrete pile steel reinforcement cage structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114808937B (en) | 2023-04-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114808937B (en) | Construction method for non-welding installation and fixation of hollow square pile core-filling reinforcement cage | |
| CN214833470U (en) | Connecting structure of concrete filled steel tubular column and raft foundation | |
| CN111535456A (en) | Strut overhanging end connecting node suitable for forked type prestress strut column | |
| CN215441481U (en) | A vertical degree adjusting device for during construction of prefabricated hollow bridge pier stud | |
| CN212613077U (en) | Strut overhanging end connecting node suitable for forked type prestress strut column | |
| CN214995260U (en) | Positioning steel bar position controller | |
| CN211143107U (en) | Supporting and positioning jig frame for railway bearing platform construction | |
| CN214942445U (en) | Adjustable jacking quick adjustment instrument | |
| CN113309347A (en) | Adjustable jacking quick adjustment instrument | |
| CN218562339U (en) | Fixing device of photovoltaic power plant concrete bored concrete pile embedded bolt | |
| CN213805382U (en) | A assembled stock for steel reinforcement cage construction hoist and mount | |
| CN219604864U (en) | Beam template clamping and supporting device for construction site | |
| CN220538423U (en) | Reinforcing steel bar reinforcing structure for cast-in-situ box girder construction | |
| CN215199408U (en) | Pile head reinforcing steel bar bending and positioning device | |
| CN215104594U (en) | Steel pipe upright post end inner support reinforcing structure | |
| CN220789440U (en) | Temporary supporting structure for land steel box girder | |
| CN108517887B (en) | Processing device and method for pre-buried foundation bolt group of railway pillar or concrete foundation | |
| CN219826310U (en) | A concrete steel construction post support for construction | |
| CN216807810U (en) | Assembled can have enough to meet need many sizes composite beam support steel corbel | |
| CN218263872U (en) | Multifunctional foundation pit cover piece | |
| CN218758782U (en) | Beam mold supports reinforcing apparatus | |
| CN219449139U (en) | Tower machine bottom sprag frame structure | |
| CN219170893U (en) | Steel construction case roof beam preparation bed-jig | |
| CN218375533U (en) | Prefabricated floor bearing structure | |
| CN217782797U (en) | High-altitude construction operation platform suitable for lattice column |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |